Improve performance by adding io_uring support, fix iothread compat

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

Makefile

@@ -33,7 +33,7 @@ $(BUILDDIR): keycodemapdb | submodule
 deb kvm: $(DEBS)
 $(DEB_DBG): $(DEB)
 $(DEB): $(BUILDDIR)
-	cd $(BUILDDIR); dpkg-buildpackage -b -us -uc -j
+	cd $(BUILDDIR); dpkg-buildpackage -b -us -uc -j32
 	lintian $(DEBS)
 
 .PHONY: update
@@ -49,7 +49,7 @@ update:
 
 .PHONY: upload
 upload: $(DEBS)
-	tar cf - ${DEBS} | ssh repoman@repo.proxmox.com upload --product pve --dist buster
+	tar cf - ${DEBS} | ssh repoman@repo.proxmox.com upload --product pve --dist bullseye
 
 .PHONY: distclean clean
 distclean: clean

debian/changelog

@@ -1,3 +1,323 @@
+pve-qemu-kvm (7.2.0-8+vitastor2) bookworm; urgency=medium
+
+  * Improve performance by adding io_uring support
+  * Fix compatibility with iothread
+
+ -- Vitaliy Filippov <vitalif@yourcmc.ru>  Tue, 18 Jul 2023 02:17:06 +0300
+
+pve-qemu-kvm (7.2.0-8+vitastor1) bullseye; urgency=medium
+
+  * Add Vitastor support
+
+ -- Vitaliy Filippov <vitalif@yourcmc.ru>  Tue, 25 Apr 2023 10:13:42 +0300
+
+pve-qemu-kvm (7.2.0-8) bullseye; urgency=medium
+
+  * backport fix for ACPI CPU hotplug issue with TCG
+
+  * cherry-pick TCG-related stable fixes for 7.2 for users that turned off KVM
+    HW acceleration
+
+ -- Proxmox Support Team <support@proxmox.com>  Fri, 17 Mar 2023 15:47:08 +0100
+
+pve-qemu-kvm (7.2.0-7) bullseye; urgency=medium
+
+  * improve fix for potential deadlock with trim for IDE/SATA and draining
+
+  * backport stable fixes:
+    - hw/nvme: fix missing endian conversions for doorbell buffers
+    - hw/smbios: fix field corruption in type 4 table
+    - virtio-rng-pci: fix transitional migration compat for vectors
+    - hw/timer/hpet: Fix expiration time overflow
+    - vhost/vdpa: stop all svq on device deletion
+    - vhost: avoid a potential use of an uninitialized variable in the call to
+      vhost_svq_poll
+    - chardev/char-socket: set s->listener = NULL in char_socket_finalize to
+      fix a potential crash after live-migration
+    - intel-iommu: fail MAP notifier without caching mode
+    - intel-iommu: fail DEVIOTLB_UNMAP without dt mode
+
+  * fix a regression for when the LSI SCSI controller is used
+
+ -- Proxmox Support Team <support@proxmox.com>  Mon, 13 Mar 2023 17:42:49 +0100
+
+pve-qemu-kvm (7.2.0-6) bullseye; urgency=medium
+
+  * fix 7.2 regression for Linux boot failures with megasas SCSI
+
+  * fix 7.0 regression for a potential deadlock with trim for IDE/SATA and
+    draining
+
+ -- Proxmox Support Team <support@proxmox.com>  Wed, 08 Mar 2023 14:32:17 +0100
+
+pve-qemu-kvm (7.2.0-5) bullseye; urgency=medium
+
+  * fix #4476: savevm-async: avoid looping without progress
+
+  * savevm-async: decrease the boundary for free space for (memory) state left
+    on target from 30 MiB to 100 MiB, improving the heuristic for when to
+    enter the final "pause and sync" stage.
+
+  * QMP backup: use correct error number when getting blockdrive length fails
+
+  * backport fix for some DMA reentrancy issues, better protecting against
+    malicious guests
+
+  * backport fix for iSCSI double free issue leading to crashes
+
+ -- Proxmox Support Team <support@proxmox.com>  Tue, 21 Feb 2023 13:49:43 +0100
+
+pve-qemu-kvm (7.2.0-4) bullseye; urgency=medium
+
+  * backport fix for a 7.2 regression when using VirtIO disk with
+    detect-zeroes=unmap
+
+ -- Proxmox Support Team <support@proxmox.com>  Fri, 27 Jan 2023 09:37:49 +0100
+
+pve-qemu-kvm (7.2.0-3) bullseye; urgency=medium
+
+  * add fix for live-migration with virtio-rng devices, which regressed in
+    QEMU 7.2.0.
+
+ -- Proxmox Support Team <support@proxmox.com>  Thu, 12 Jan 2023 13:13:14 +0100
+
+pve-qemu-kvm (7.2.0-2) bullseye; urgency=medium
+
+  * enable slirp again for now, as in qemu-server, user networking is
+    supported (via CLI/API) when no bridge is set on a virtual NIC
+
+  * cherry-pick stable fixes for 7.2. Two for virtio-mem and one for vIOMMU.
+    Both features are not yet exposed in PVE's qemu-server, but there's work
+    going on to change that.
+
+ -- Proxmox Support Team <support@proxmox.com>  Tue, 10 Jan 2023 15:47:48 +0100
+
+pve-qemu-kvm (7.2.0-1) bullseye; urgency=medium
+
+  * update to QEMU stable release 7.2.0
+
+  * drop 'slirp' networking
+
+ -- Proxmox Support Team <support@proxmox.com>  Fri, 16 Dec 2022 13:18:21 +0100
+
+pve-qemu-kvm (7.1.0-4) bullseye; urgency=medium
+
+  * cherry-pick "block/block-backend: blk_set_enable_write_cache is IO_CODE"
+
+ -- Proxmox Support Team <support@proxmox.com>  Tue, 22 Nov 2022 09:21:06 +0100
+
+pve-qemu-kvm (7.1.0-3) bullseye; urgency=medium
+
+  * init: daemonize: defuse PID file resolve error to a warning at max, fixing
+    some usecases that regressed with 7.1, like tracking start up in our
+    file-restore VM.
+
+ -- Proxmox Support Team <support@proxmox.com>  Fri, 28 Oct 2022 10:27:49 +0200
+
+pve-qemu-kvm (7.1.0-2) bullseye; urgency=medium
+
+  * fix an issue with error handling in async backup code
+
+ -- Proxmox Support Team <support@proxmox.com>  Tue, 18 Oct 2022 15:33:44 +0200
+
+pve-qemu-kvm (7.1.0-1) bullseye; urgency=medium
+
+  * update to QEMU stable release 7.1.0
+
+  * add fix for io_uring_register_ring_fd from upstream
+
+ -- Proxmox Support Team <support@proxmox.com>  Fri, 14 Oct 2022 14:54:09 +0200
+
+pve-qemu-kvm (7.0.0-4) bullseye; urgency=medium
+
+  * add revision to version output
+
+  * PVE Backup: allow passing max-workers performance setting
+
+ -- Proxmox Support Team <support@proxmox.com>  Mon, 10 Oct 2022 11:55:37 +0200
+
+pve-qemu-kvm (7.0.0-3) bullseye; urgency=medium
+
+  * savevm-async: avoid segfault when aborting snapshot creation task
+
+  * savevm-async: set SAVE_STATE_DONE when closing state file was successful
+    allowing one to start a new snapshot task after aborting one.
+
+ -- Proxmox Support Team <support@proxmox.com>  Tue, 30 Aug 2022 12:54:03 +0200
+
+pve-qemu-kvm (7.0.0-2) bullseye; urgency=medium
+
+  * backport "io_uring: fix short read slow path"
+
+  * backport "e1000: set RX descriptor status in a separate operation"
+
+ -- Proxmox Support Team <support@proxmox.com>  Wed, 20 Jul 2022 09:17:07 +0200
+
+pve-qemu-kvm (7.0.0-1) bullseye; urgency=medium
+
+  * update to QEMU stable release 7.0.0
+
+ -- Proxmox Support Team <support@proxmox.com>  Thu, 30 Jun 2022 11:07:37 +0200
+
+pve-qemu-kvm (6.2.0-11) bullseye; urgency=medium
+
+  * add 'namespace' to BlockdevOptionsPbs for live-restore support
+
+  * vma: create: support 64KiB-unaligned input images like to improve backing
+    up some VM templates
+
+  * block: alloc-track: avoid unlikely, but possible premature break
+
+ -- Proxmox Support Team <support@proxmox.com>  Wed, 22 Jun 2022 15:54:54 +0200
+
+pve-qemu-kvm (6.2.0-10) bullseye; urgency=medium
+
+  * fix #4101: fix backup cancellation bug with iothreads
+
+ -- Proxmox Support Team <support@proxmox.com>  Thu, 9 Jun 2022 16:35:51 +0200
+
+pve-qemu-kvm (6.2.0-9) bullseye; urgency=medium
+
+  * fix possible race conditions during cancellation of a PBS backup
+
+ -- Proxmox Support Team <support@proxmox.com>  Wed, 08 Jun 2022 14:03:22 +0200
+
+pve-qemu-kvm (6.2.0-8) bullseye; urgency=medium
+
+  * revert "block/rbd: implement bdrv_co_block_status" to work around
+    performance regression when backing up large RBD disk
+
+ -- Proxmox Support Team <support@proxmox.com>  Thu, 19 May 2022 09:24:45 +0200
+
+pve-qemu-kvm (6.2.0-7) bullseye; urgency=medium
+
+  * Proxmox Backup Server namespace support
+
+ -- Proxmox Support Team <support@proxmox.com>  Thu, 12 May 2022 16:05:56 +0200
+
+pve-qemu-kvm (6.2.0-6) bullseye; urgency=medium
+
+  * block/gluster: correctly set max_pdiscard which is int64_t to avoid
+    triggering assertion
+
+  * ui/vnc.c: Fixed a deadlock bug
+
+  * display/qxl-render: fix race condition in qxl_cursor (CVE-2021-4207) and
+    integer overflow in cursor_alloc (CVE-2021-4206)
+
+ -- Proxmox Support Team <support@proxmox.com>  Wed, 11 May 2022 10:42:53 +0200
+
+pve-qemu-kvm (6.2.0-5) bullseye; urgency=medium
+
+  * vma: allow partial restore by skipping some disk
+
+ -- Proxmox Support Team <support@proxmox.com>  Mon, 25 Apr 2022 10:13:46 +0200
+
+pve-qemu-kvm (6.2.0-4) bullseye; urgency=medium
+
+  * d/control: add libgbm to build dependencies
+
+  * d/control: add suggest dependency-hint for libgl1
+
+  * various stable backports:
+    + virtio-net: fix map leaking on error during receive
+    + memory: Fix incorrect calls of log_global_start/stop
+    + acpi: fix OEM ID/OEM Table ID padding
+    + vhost-vsock: detach the virqueue element in case of error
+    + vhost-user: remove VirtQ notifier restore
+    + vhost-user: fix VirtQ notifier cleanup
+    + virtio: fix the condition for iommu_platform not supported
+
+ -- Proxmox Support Team <support@proxmox.com>  Fri, 22 Apr 2022 11:52:30 +0200
+
+pve-qemu-kvm (6.2.0-3) bullseye; urgency=medium
+
+  *  cherry-pick fix for some manually added ACPI table SLIC entries via the
+     custom args flag.
+
+ -- Proxmox Support Team <support@proxmox.com>  Fri, 15 Apr 2022 09:09:37 +0200
+
+pve-qemu-kvm (6.2.0-2) bullseye; urgency=medium
+
+  * compile in virgl support
+
+  * enable zstd support
+
+  * drop sdl dependency (it was disabled at compile time already)
+
+  * recommend 'numactl'
+
+  * fix an issue with multi-disk backups where chunks would be written
+    multiple times
+
+ -- Proxmox Support Team <support@proxmox.com>  Thu, 03 Mar 2022 12:03:44 +0100
+
+pve-qemu-kvm (6.2.0-1) bullseye; urgency=medium
+
+  * update to QEMU stable release 6.2.0
+
+ -- Proxmox Support Team <support@proxmox.com>  Thu, 17 Feb 2022 06:23:14 +0100
+
+pve-qemu-kvm (6.1.1-2) bullseye; urgency=medium
+
+  * vma: create: register all streams before entering coroutines to avoid that
+    an early stream starts to write already before all got registered.
+
+ -- Proxmox Support Team <support@proxmox.com>  Mon, 14 Feb 2022 15:53:15 +0100
+
+pve-qemu-kvm (6.1.1-1) bullseye; urgency=medium
+
+  * update to 6.1.1 stable release
+
+ -- Proxmox Support Team <support@proxmox.com>  Thu, 13 Jan 2022 10:57:43 +0100
+
+pve-qemu-kvm (6.1.0-3) bullseye; urgency=medium
+
+  * fix #3738: cherry-pick "block: introduce max_hw_iov for use in scsi-
+    generic
+
+ -- Proxmox Support Team <support@proxmox.com>  Wed, 01 Dec 2021 15:35:43 +0100
+
+pve-qemu-kvm (6.1.0-2) bullseye; urgency=medium
+
+  * avoid a possible segmentation fault during block (disk) mirror
+
+ -- Proxmox Support Team <support@proxmox.com>  Tue, 16 Nov 2021 09:38:10 +0100
+
+pve-qemu-kvm (6.1.0-1) bullseye; urgency=medium
+
+  * update to QEMU stable release 6.1.0
+
+ -- Proxmox Support Team <support@proxmox.com>  Mon, 11 Oct 2021 15:15:19 +0200
+
+pve-qemu-kvm (6.0.0-4) bullseye; urgency=medium
+
+  * drop the ancient workaround that force disabled SMM due to observing VM
+    hangs on old kernel versions.
+
+  * monitor/qmp: fix race with clients disconnecting early resulting in other
+    clients receiving a message with the (now wrong) ID of the former
+
+ -- Proxmox Support Team <support@proxmox.com>  Mon, 06 Sep 2021 07:30:00 +0200
+
+pve-qemu-kvm (6.0.0-3) bullseye; urgency=medium
+
+  * io_uring: resubmit when result is -EAGAIN
+
+ -- Proxmox Support Team <support@proxmox.com>  Tue, 3 Aug 2021 15:01:31 +0200
+
+pve-qemu-kvm (6.0.0-2) bullseye; urgency=medium
+
+  * enable io-uring support in QEMU builds
+
+ -- Proxmox Support Team <support@proxmox.com>  Wed, 23 Jun 2021 11:03:54 +0200
+
+pve-qemu-kvm (6.0.0-1) bullseye; urgency=medium
+
+  * update to QEMU stable release 6.0.0
+
+ -- Proxmox Support Team <support@proxmox.com>  Fri, 28 May 2021 11:30:50 +0200
+
 pve-qemu-kvm (5.2.0-11) bullseye; urgency=medium
 
   * re-build for Proxmox VE 7 / Debian Bullseye

debian/control

@@ -10,28 +10,34 @@ Build-Depends: autotools-dev,
                libattr1-dev,
                libcap-ng-dev,
                libcurl4-gnutls-dev,
+               libepoxy-dev,
                libfdt-dev,
+               libgbm-dev,
                libglusterfs-dev (>= 5.2-2),
                libgnutls28-dev,
                libiscsi-dev (>= 1.12.0),
-               libjemalloc-dev,
                libjpeg-dev,
                libjson-perl,
                libnuma-dev,
                libpci-dev,
                libpixman-1-dev,
-               libproxmox-backup-qemu0-dev (>= 1.0.3-1),
+               libproxmox-backup-qemu0-dev (>= 1.3.0-1),
                librbd-dev (>= 0.48),
                libsdl1.2-dev,
                libseccomp-dev,
+               libslirp-dev,
                libspice-protocol-dev (>= 0.12.14~),
                libspice-server-dev (>= 0.14.0~),
                libsystemd-dev,
+               liburing-dev,
                libusb-1.0-0-dev (>= 1.0.17-1),
                libusbredirparser-dev (>= 0.6-2),
+               libvirglrenderer-dev,
+               libzstd-dev,
                meson,
                python3-minimal,
                python3-sphinx,
+               python3-sphinx-rtd-theme,
                quilt,
                texi2html,
                texinfo,
@@ -43,7 +49,6 @@ Package: pve-qemu-kvm
 Architecture: any
 Depends: ceph-common (>= 0.48),
          iproute2,
-         libaio1,
          libgfapi0 | glusterfs-common (>= 5.6),
          libgfchangelog0 | glusterfs-common (>= 5.6),
          libgfdb0 | glusterfs-common (>= 5.6),
@@ -52,16 +57,16 @@ Depends: ceph-common (>= 0.48),
          libglusterfs-dev | glusterfs-common (>= 5.6),
          libglusterfs0 | glusterfs-common (>= 5.6),
          libiscsi4 (>= 1.12.0) | libiscsi7,
-         libjemalloc2,
          libjpeg62-turbo,
-         libsdl1.2debian,
          libspice-server1 (>= 0.14.0~),
          libusb-1.0-0 (>= 1.0.17-1),
          libusbredirparser1 (>= 0.6-2),
+         vitastor-client (>= 0.9.4),
          libuuid1,
-         numactl,
          ${misc:Depends},
          ${shlibs:Depends},
+Recommends: numactl
+Suggests: libgl1
 Conflicts: kvm,
            pve-kvm,
            pve-qemu-kvm-2.6.18,
@@ -70,6 +75,7 @@ Conflicts: kvm,
            qemu-system-arm,
            qemu-system-common,
            qemu-system-x86,
+           qemu-system-data,
            qemu-utils,
 Provides: qemu-system-arm, qemu-system-x86, qemu-utils
 Replaces: pve-kvm,

debian/copyright

@@ -25,7 +25,7 @@ License:
 
     In particular, the QEMU virtual CPU core library (libqemu.a) is
     released under the GNU Lesser General Public License version 2 or later.
-    On Debian systems, the complete text of the GNU Lesser General Public 
+    On Debian systems, the complete text of the GNU Lesser General Public
     License can be found in the file /usr/share/common-licenses/LGPL.
 
     Some hardware device emulation sources and other QEMU functionality are

debian/patches/bitmap-mirror/0001-drive-mirror-add-support-for-sync-bitmap-mode-never.patch

@@ -26,19 +26,20 @@ Suggested-by: Ma Haocong <mahaocong@didichuxing.com>
 Signed-off-by: Ma Haocong <mahaocong@didichuxing.com>
 Signed-off-by: John Snow <jsnow@redhat.com>
 Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
- block/mirror.c              | 98 ++++++++++++++++++++++++++++++-------
- blockdev.c                  | 39 +++++++++++++--
- include/block/block_int.h   |  4 +-
- qapi/block-core.json        | 29 +++++++++--
- tests/test-block-iothread.c |  4 +-
+ block/mirror.c                         | 98 +++++++++++++++++++++-----
+ blockdev.c                             | 39 +++++++++-
+ include/block/block_int-global-state.h |  4 +-
+ qapi/block-core.json                   | 29 ++++++--
+ tests/unit/test-block-iothread.c       |  4 +-
  5 files changed, 145 insertions(+), 29 deletions(-)
 
 diff --git a/block/mirror.c b/block/mirror.c
-index 8e1ad6eceb..97843992c2 100644
+index 251adc5ae0..8ead5f77a0 100644
 --- a/block/mirror.c
 +++ b/block/mirror.c
-@@ -50,7 +50,7 @@ typedef struct MirrorBlockJob {
+@@ -51,7 +51,7 @@ typedef struct MirrorBlockJob {
      BlockDriverState *to_replace;
      /* Used to block operations on the drive-mirror-replace target */
      Error *replace_blocker;
@@ -56,7 +57,7 @@ index 8e1ad6eceb..97843992c2 100644
      BdrvDirtyBitmap *dirty_bitmap;
      BdrvDirtyBitmapIter *dbi;
      uint8_t *buf;
-@@ -677,7 +679,8 @@ static int mirror_exit_common(Job *job)
+@@ -699,7 +701,8 @@ static int mirror_exit_common(Job *job)
      bdrv_child_refresh_perms(mirror_top_bs, mirror_top_bs->backing,
                               &error_abort);
      if (!abort && s->backing_mode == MIRROR_SOURCE_BACKING_CHAIN) {
@@ -66,7 +67,7 @@ index 8e1ad6eceb..97843992c2 100644
          BlockDriverState *unfiltered_target = bdrv_skip_filters(target_bs);
  
          if (bdrv_cow_bs(unfiltered_target) != backing) {
-@@ -774,6 +777,16 @@ static void mirror_abort(Job *job)
+@@ -797,6 +800,16 @@ static void mirror_abort(Job *job)
      assert(ret == 0);
  }
  
@@ -83,7 +84,7 @@ index 8e1ad6eceb..97843992c2 100644
  static void coroutine_fn mirror_throttle(MirrorBlockJob *s)
  {
      int64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
-@@ -955,7 +968,8 @@ static int coroutine_fn mirror_run(Job *job, Error **errp)
+@@ -977,7 +990,8 @@ static int coroutine_fn mirror_run(Job *job, Error **errp)
      mirror_free_init(s);
  
      s->last_pause_ns = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
@@ -93,23 +94,23 @@ index 8e1ad6eceb..97843992c2 100644
          ret = mirror_dirty_init(s);
          if (ret < 0 || job_is_cancelled(&s->common.job)) {
              goto immediate_exit;
-@@ -1188,6 +1202,7 @@ static const BlockJobDriver mirror_job_driver = {
+@@ -1224,6 +1238,7 @@ static const BlockJobDriver mirror_job_driver = {
          .run                    = mirror_run,
          .prepare                = mirror_prepare,
          .abort                  = mirror_abort,
 +        .clean                  = mirror_clean,
          .pause                  = mirror_pause,
          .complete               = mirror_complete,
-     },
-@@ -1203,6 +1218,7 @@ static const BlockJobDriver commit_active_job_driver = {
+         .cancel                 = mirror_cancel,
+@@ -1240,6 +1255,7 @@ static const BlockJobDriver commit_active_job_driver = {
          .run                    = mirror_run,
          .prepare                = mirror_prepare,
          .abort                  = mirror_abort,
 +        .clean                  = mirror_clean,
          .pause                  = mirror_pause,
          .complete               = mirror_complete,
-     },
-@@ -1550,7 +1566,10 @@ static BlockJob *mirror_start_job(
+         .cancel                 = commit_active_cancel,
+@@ -1627,7 +1643,10 @@ static BlockJob *mirror_start_job(
                               BlockCompletionFunc *cb,
                               void *opaque,
                               const BlockJobDriver *driver,
@@ -121,8 +122,8 @@ index 8e1ad6eceb..97843992c2 100644
                               bool auto_complete, const char *filter_node_name,
                               bool is_mirror, MirrorCopyMode copy_mode,
                               Error **errp)
-@@ -1563,10 +1582,39 @@ static BlockJob *mirror_start_job(
-     Error *local_err = NULL;
+@@ -1639,10 +1658,39 @@ static BlockJob *mirror_start_job(
+     uint64_t target_perms, target_shared_perms;
      int ret;
  
 -    if (granularity == 0) {
@@ -163,7 +164,7 @@ index 8e1ad6eceb..97843992c2 100644
      assert(is_power_of_2(granularity));
  
      if (buf_size < 0) {
-@@ -1705,7 +1753,9 @@ static BlockJob *mirror_start_job(
+@@ -1774,7 +1822,9 @@ static BlockJob *mirror_start_job(
      s->replaces = g_strdup(replaces);
      s->on_source_error = on_source_error;
      s->on_target_error = on_target_error;
@@ -174,7 +175,7 @@ index 8e1ad6eceb..97843992c2 100644
      s->backing_mode = backing_mode;
      s->zero_target = zero_target;
      s->copy_mode = copy_mode;
-@@ -1726,6 +1776,18 @@ static BlockJob *mirror_start_job(
+@@ -1795,6 +1845,18 @@ static BlockJob *mirror_start_job(
          bdrv_disable_dirty_bitmap(s->dirty_bitmap);
      }
  
@@ -193,7 +194,7 @@ index 8e1ad6eceb..97843992c2 100644
      ret = block_job_add_bdrv(&s->common, "source", bs, 0,
                               BLK_PERM_WRITE_UNCHANGED | BLK_PERM_WRITE |
                               BLK_PERM_CONSISTENT_READ,
-@@ -1803,6 +1865,9 @@ fail:
+@@ -1872,6 +1934,9 @@ fail:
          if (s->dirty_bitmap) {
              bdrv_release_dirty_bitmap(s->dirty_bitmap);
          }
@@ -203,7 +204,7 @@ index 8e1ad6eceb..97843992c2 100644
          job_early_fail(&s->common.job);
      }
  
-@@ -1820,29 +1885,23 @@ void mirror_start(const char *job_id, BlockDriverState *bs,
+@@ -1889,31 +1954,25 @@ void mirror_start(const char *job_id, BlockDriverState *bs,
                    BlockDriverState *target, const char *replaces,
                    int creation_flags, int64_t speed,
                    uint32_t granularity, int64_t buf_size,
@@ -220,6 +221,8 @@ index 8e1ad6eceb..97843992c2 100644
 -    bool is_none_mode;
      BlockDriverState *base;
  
+     GLOBAL_STATE_CODE();
+ 
 -    if ((mode == MIRROR_SYNC_MODE_INCREMENTAL) ||
 -        (mode == MIRROR_SYNC_MODE_BITMAP)) {
 -        error_setg(errp, "Sync mode '%s' not supported",
@@ -238,7 +241,7 @@ index 8e1ad6eceb..97843992c2 100644
  }
  
  BlockJob *commit_active_start(const char *job_id, BlockDriverState *bs,
-@@ -1868,7 +1927,8 @@ BlockJob *commit_active_start(const char *job_id, BlockDriverState *bs,
+@@ -1940,7 +1999,8 @@ BlockJob *commit_active_start(const char *job_id, BlockDriverState *bs,
                       job_id, bs, creation_flags, base, NULL, speed, 0, 0,
                       MIRROR_LEAVE_BACKING_CHAIN, false,
                       on_error, on_error, true, cb, opaque,
@@ -246,13 +249,13 @@ index 8e1ad6eceb..97843992c2 100644
 +                     &commit_active_job_driver, MIRROR_SYNC_MODE_FULL,
 +                     NULL, 0, base, auto_complete,
                       filter_node_name, false, MIRROR_COPY_MODE_BACKGROUND,
-                      &local_err);
-     if (local_err) {
+                      errp);
+     if (!job) {
 diff --git a/blockdev.c b/blockdev.c
-index fe6fb5dc1d..394920613d 100644
+index 3f1dec6242..2ee30323cb 100644
 --- a/blockdev.c
 +++ b/blockdev.c
-@@ -2930,6 +2930,10 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
+@@ -2946,6 +2946,10 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
                                     BlockDriverState *target,
                                     bool has_replaces, const char *replaces,
                                     enum MirrorSyncMode sync,
@@ -263,7 +266,7 @@ index fe6fb5dc1d..394920613d 100644
                                     BlockMirrorBackingMode backing_mode,
                                     bool zero_target,
                                     bool has_speed, int64_t speed,
-@@ -2949,6 +2953,7 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
+@@ -2965,6 +2969,7 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
  {
      BlockDriverState *unfiltered_bs;
      int job_flags = JOB_DEFAULT;
@@ -271,7 +274,7 @@ index fe6fb5dc1d..394920613d 100644
  
      if (!has_speed) {
          speed = 0;
-@@ -3003,6 +3008,29 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
+@@ -3019,6 +3024,29 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
          sync = MIRROR_SYNC_MODE_FULL;
      }
  
@@ -301,7 +304,7 @@ index fe6fb5dc1d..394920613d 100644
      if (!has_replaces) {
          /* We want to mirror from @bs, but keep implicit filters on top */
          unfiltered_bs = bdrv_skip_implicit_filters(bs);
-@@ -3049,8 +3077,8 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
+@@ -3065,8 +3093,8 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
       * and will allow to check whether the node still exist at mirror completion
       */
      mirror_start(job_id, bs, target,
@@ -312,7 +315,7 @@ index fe6fb5dc1d..394920613d 100644
                   on_source_error, on_target_error, unmap, filter_node_name,
                   copy_mode, errp);
  }
-@@ -3195,6 +3223,8 @@ void qmp_drive_mirror(DriveMirror *arg, Error **errp)
+@@ -3211,6 +3239,8 @@ void qmp_drive_mirror(DriveMirror *arg, Error **errp)
  
      blockdev_mirror_common(arg->has_job_id ? arg->job_id : NULL, bs, target_bs,
                             arg->has_replaces, arg->replaces, arg->sync,
@@ -321,7 +324,7 @@ index fe6fb5dc1d..394920613d 100644
                             backing_mode, zero_target,
                             arg->has_speed, arg->speed,
                             arg->has_granularity, arg->granularity,
-@@ -3216,6 +3246,8 @@ void qmp_blockdev_mirror(bool has_job_id, const char *job_id,
+@@ -3232,6 +3262,8 @@ void qmp_blockdev_mirror(bool has_job_id, const char *job_id,
                           const char *device, const char *target,
                           bool has_replaces, const char *replaces,
                           MirrorSyncMode sync,
@@ -330,7 +333,7 @@ index fe6fb5dc1d..394920613d 100644
                           bool has_speed, int64_t speed,
                           bool has_granularity, uint32_t granularity,
                           bool has_buf_size, int64_t buf_size,
-@@ -3265,7 +3297,8 @@ void qmp_blockdev_mirror(bool has_job_id, const char *job_id,
+@@ -3281,7 +3313,8 @@ void qmp_blockdev_mirror(bool has_job_id, const char *job_id,
      }
  
      blockdev_mirror_common(has_job_id ? job_id : NULL, bs, target_bs,
@@ -340,11 +343,11 @@ index fe6fb5dc1d..394920613d 100644
                             zero_target, has_speed, speed,
                             has_granularity, granularity,
                             has_buf_size, buf_size,
-diff --git a/include/block/block_int.h b/include/block/block_int.h
-index 95d9333be1..6f8eda629a 100644
---- a/include/block/block_int.h
-+++ b/include/block/block_int.h
-@@ -1230,7 +1230,9 @@ void mirror_start(const char *job_id, BlockDriverState *bs,
+diff --git a/include/block/block_int-global-state.h b/include/block/block_int-global-state.h
+index b49f4eb35b..9d744db618 100644
+--- a/include/block/block_int-global-state.h
++++ b/include/block/block_int-global-state.h
+@@ -149,7 +149,9 @@ void mirror_start(const char *job_id, BlockDriverState *bs,
                    BlockDriverState *target, const char *replaces,
                    int creation_flags, int64_t speed,
                    uint32_t granularity, int64_t buf_size,
@@ -356,10 +359,10 @@ index 95d9333be1..6f8eda629a 100644
                    BlockdevOnError on_source_error,
                    BlockdevOnError on_target_error,
 diff --git a/qapi/block-core.json b/qapi/block-core.json
-index 04ad80bc1e..9db3120716 100644
+index 95ac4fa634..7daaf545be 100644
 --- a/qapi/block-core.json
 +++ b/qapi/block-core.json
-@@ -1971,10 +1971,19 @@
+@@ -2000,10 +2000,19 @@
  #        (all the disk, only the sectors allocated in the topmost image, or
  #        only new I/O).
  #
@@ -380,7 +383,7 @@ index 04ad80bc1e..9db3120716 100644
  #
  # @buf-size: maximum amount of data in flight from source to
  #            target (since 1.4).
-@@ -2012,7 +2021,9 @@
+@@ -2043,7 +2052,9 @@
  { 'struct': 'DriveMirror',
    'data': { '*job-id': 'str', 'device': 'str', 'target': 'str',
              '*format': 'str', '*node-name': 'str', '*replaces': 'str',
@@ -391,7 +394,7 @@ index 04ad80bc1e..9db3120716 100644
              '*speed': 'int', '*granularity': 'uint32',
              '*buf-size': 'int', '*on-source-error': 'BlockdevOnError',
              '*on-target-error': 'BlockdevOnError',
-@@ -2280,10 +2291,19 @@
+@@ -2322,10 +2333,19 @@
  #        (all the disk, only the sectors allocated in the topmost image, or
  #        only new I/O).
  #
@@ -412,7 +415,7 @@ index 04ad80bc1e..9db3120716 100644
  #
  # @buf-size: maximum amount of data in flight from source to
  #            target
-@@ -2332,7 +2352,8 @@
+@@ -2375,7 +2395,8 @@
  { 'command': 'blockdev-mirror',
    'data': { '*job-id': 'str', 'device': 'str', 'target': 'str',
              '*replaces': 'str',
@@ -422,11 +425,11 @@ index 04ad80bc1e..9db3120716 100644
              '*speed': 'int', '*granularity': 'uint32',
              '*buf-size': 'int', '*on-source-error': 'BlockdevOnError',
              '*on-target-error': 'BlockdevOnError',
-diff --git a/tests/test-block-iothread.c b/tests/test-block-iothread.c
-index 3f866a35c6..500ede71c8 100644
---- a/tests/test-block-iothread.c
-+++ b/tests/test-block-iothread.c
-@@ -623,8 +623,8 @@ static void test_propagate_mirror(void)
+diff --git a/tests/unit/test-block-iothread.c b/tests/unit/test-block-iothread.c
+index 8ca5adec5e..dae80e5a5f 100644
+--- a/tests/unit/test-block-iothread.c
++++ b/tests/unit/test-block-iothread.c
+@@ -755,8 +755,8 @@ static void test_propagate_mirror(void)
  
      /* Start a mirror job */
      mirror_start("job0", src, target, NULL, JOB_DEFAULT, 0, 0, 0,
@@ -436,4 +439,4 @@ index 3f866a35c6..500ede71c8 100644
 +                 false, BLOCKDEV_ON_ERROR_REPORT, BLOCKDEV_ON_ERROR_REPORT,
                   false, "filter_node", MIRROR_COPY_MODE_BACKGROUND,
                   &error_abort);
-     job = job_get("job0");
+     WITH_JOB_LOCK_GUARD() {

debian/patches/bitmap-mirror/0002-drive-mirror-add-support-for-conditional-and-always-.patch

@@ -18,15 +18,16 @@ incremental backup modes; we can use this bitmap to later refresh a
 successfully created mirror.
 
 Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
  block/mirror.c | 24 ++++++++++++++++++------
  1 file changed, 18 insertions(+), 6 deletions(-)
 
 diff --git a/block/mirror.c b/block/mirror.c
-index 97843992c2..d1cce079da 100644
+index 8ead5f77a0..35c1b8f25d 100644
 --- a/block/mirror.c
 +++ b/block/mirror.c
-@@ -654,8 +654,6 @@ static int mirror_exit_common(Job *job)
+@@ -676,8 +676,6 @@ static int mirror_exit_common(Job *job)
          bdrv_unfreeze_backing_chain(mirror_top_bs, target_bs);
      }
  
@@ -35,9 +36,9 @@ index 97843992c2..d1cce079da 100644
      /* Make sure that the source BDS doesn't go away during bdrv_replace_node,
       * before we can call bdrv_drained_end */
      bdrv_ref(src);
-@@ -755,6 +753,18 @@ static int mirror_exit_common(Job *job)
-     blk_set_perm(bjob->blk, 0, BLK_PERM_ALL, &error_abort);
-     blk_insert_bs(bjob->blk, mirror_top_bs, &error_abort);
+@@ -778,6 +776,18 @@ static int mirror_exit_common(Job *job)
+     block_job_remove_all_bdrv(bjob);
+     bdrv_replace_node(mirror_top_bs, mirror_top_bs->backing->bs, &error_abort);
  
 +    if (s->sync_bitmap) {
 +        if (s->bitmap_mode == BITMAP_SYNC_MODE_ALWAYS ||
@@ -54,7 +55,7 @@ index 97843992c2..d1cce079da 100644
      bs_opaque->job = NULL;
  
      bdrv_drained_end(src);
-@@ -1592,10 +1602,6 @@ static BlockJob *mirror_start_job(
+@@ -1668,10 +1678,6 @@ static BlockJob *mirror_start_job(
                         " sync mode",
                         MirrorSyncMode_str(sync_mode));
              return NULL;
@@ -65,7 +66,7 @@ index 97843992c2..d1cce079da 100644
          }
      } else if (bitmap) {
          error_setg(errp,
-@@ -1612,6 +1618,12 @@ static BlockJob *mirror_start_job(
+@@ -1688,6 +1694,12 @@ static BlockJob *mirror_start_job(
              return NULL;
          }
          granularity = bdrv_dirty_bitmap_granularity(bitmap);

debian/patches/bitmap-mirror/0003-mirror-add-check-for-bitmap-mode-without-bitmap.patch

@@ -10,15 +10,16 @@ as one without the other does not make much sense with the current set
 of modes.
 
 Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
  blockdev.c | 3 +++
  1 file changed, 3 insertions(+)
 
 diff --git a/blockdev.c b/blockdev.c
-index 394920613d..4f8bd38b58 100644
+index 2ee30323cb..dd1c2cdef7 100644
 --- a/blockdev.c
 +++ b/blockdev.c
-@@ -3029,6 +3029,9 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
+@@ -3045,6 +3045,9 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
          if (bdrv_dirty_bitmap_check(bitmap, BDRV_BITMAP_ALLOW_RO, errp)) {
              return;
          }

debian/patches/bitmap-mirror/0004-mirror-switch-to-bdrv_dirty_bitmap_merge_internal.patch

@@ -10,15 +10,16 @@ since sync_bitmap is busy at the point of merging, and we checked access
 beforehand.
 
 Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
- block/mirror.c | 8 ++++----
- 1 file changed, 4 insertions(+), 4 deletions(-)
+ block/mirror.c | 11 ++++-------
+ 1 file changed, 4 insertions(+), 7 deletions(-)
 
 diff --git a/block/mirror.c b/block/mirror.c
-index d1cce079da..e6140cf018 100644
+index 35c1b8f25d..4969c6833c 100644
 --- a/block/mirror.c
 +++ b/block/mirror.c
-@@ -759,8 +759,8 @@ static int mirror_exit_common(Job *job)
+@@ -782,8 +782,8 @@ static int mirror_exit_common(Job *job)
               job->ret == 0 && ret == 0)) {
              /* Success; synchronize copy back to sync. */
              bdrv_clear_dirty_bitmap(s->sync_bitmap, NULL);
@@ -29,14 +30,17 @@ index d1cce079da..e6140cf018 100644
          }
      }
      bdrv_release_dirty_bitmap(s->dirty_bitmap);
-@@ -1793,8 +1793,8 @@ static BlockJob *mirror_start_job(
+@@ -1862,11 +1862,8 @@ static BlockJob *mirror_start_job(
      }
  
      if (s->sync_mode == MIRROR_SYNC_MODE_BITMAP) {
 -        bdrv_merge_dirty_bitmap(s->dirty_bitmap, s->sync_bitmap,
 -                                NULL, &local_err);
+-        if (local_err) {
+-            goto fail;
+-        }
 +        bdrv_dirty_bitmap_merge_internal(s->dirty_bitmap, s->sync_bitmap,
 +                                         NULL, true);
-         if (local_err) {
-             goto fail;
-         }
+     }
+ 
+     ret = block_job_add_bdrv(&s->common, "source", bs, 0,

debian/patches/bitmap-mirror/0005-iotests-add-test-for-bitmap-mirror.patch

@@ -20,11 +20,11 @@ intentionally keeping copyright and ownership of original test case to
 honor provenance.
 
 Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
  tests/qemu-iotests/384     |  547 +++++++
  tests/qemu-iotests/384.out | 2846 ++++++++++++++++++++++++++++++++++++
- tests/qemu-iotests/group   |    1 +
- 3 files changed, 3394 insertions(+)
+ 2 files changed, 3393 insertions(+)
  create mode 100755 tests/qemu-iotests/384
  create mode 100644 tests/qemu-iotests/384.out
 
@@ -3433,15 +3433,3 @@ index 0000000000..9b7408b6d6
 +{"execute": "blockdev-mirror", "arguments": {"bitmap": "bitmap0", "device": "drive0", "filter-node-name": "mirror-top", "job-id": "api_job", "sync": "none", "target": "mirror_target"}}
 +{"error": {"class": "GenericError", "desc": "bitmap-mode must be specified if a bitmap is provided"}}
 +
-diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
-index 2960dff728..952dceba1f 100644
---- a/tests/qemu-iotests/group
-+++ b/tests/qemu-iotests/group
-@@ -270,6 +270,7 @@
- 253 rw quick
- 254 rw backing quick
- 255 rw quick
-+384 rw
- 256 rw auto quick
- 257 rw
- 258 rw quick

debian/patches/bitmap-mirror/0006-mirror-move-some-checks-to-qmp.patch

@@ -11,6 +11,7 @@ mode was never available for drive-mirror, it makes the interface more
 uniform w.r.t. backup block jobs.
 
 Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
  block/mirror.c             | 28 +++------------
  blockdev.c                 | 29 +++++++++++++++
@@ -18,11 +19,11 @@ Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
  3 files changed, 70 insertions(+), 59 deletions(-)
 
 diff --git a/block/mirror.c b/block/mirror.c
-index e6140cf018..3a08239a78 100644
+index 4969c6833c..cf85ae1074 100644
 --- a/block/mirror.c
 +++ b/block/mirror.c
-@@ -1592,31 +1592,13 @@ static BlockJob *mirror_start_job(
-     Error *local_err = NULL;
+@@ -1668,31 +1668,13 @@ static BlockJob *mirror_start_job(
+     uint64_t target_perms, target_shared_perms;
      int ret;
  
 -    if (sync_mode == MIRROR_SYNC_MODE_INCREMENTAL) {
@@ -59,10 +60,10 @@ index e6140cf018..3a08239a78 100644
  
          if (bitmap_mode != BITMAP_SYNC_MODE_NEVER) {
 diff --git a/blockdev.c b/blockdev.c
-index 4f8bd38b58..a40c6fd0f6 100644
+index dd1c2cdef7..756e980889 100644
 --- a/blockdev.c
 +++ b/blockdev.c
-@@ -3008,7 +3008,36 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
+@@ -3024,7 +3024,36 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
          sync = MIRROR_SYNC_MODE_FULL;
      }
  

debian/patches/extra/0001-Revert-qemu-img-convert-Don-t-pre-zero-images.patch

@@ -1,33 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Thomas Lamprecht <t.lamprecht@proxmox.com>
-Date: Mon, 14 Sep 2020 19:32:21 +0200
-Subject: [PATCH] Revert "qemu-img convert: Don't pre-zero images"
-
-This reverts commit edafc70c0c8510862f2f213a3acf7067113bcd08.
-
-As it correlates with causing issues on LVM allocation
-https://bugzilla.proxmox.com/show_bug.cgi?id=3002
----
- qemu-img.c | 9 +++++++++
- 1 file changed, 9 insertions(+)
-
-diff --git a/qemu-img.c b/qemu-img.c
-index 8bdea40b58..f9050bfaad 100644
---- a/qemu-img.c
-+++ b/qemu-img.c
-@@ -2104,6 +2104,15 @@ static int convert_do_copy(ImgConvertState *s)
-         s->has_zero_init = bdrv_has_zero_init(blk_bs(s->target));
-     }
- 
-+    if (!s->has_zero_init && !s->target_has_backing &&
-+        bdrv_can_write_zeroes_with_unmap(blk_bs(s->target)))
-+    {
-+        ret = blk_make_zero(s->target, BDRV_REQ_MAY_UNMAP | BDRV_REQ_NO_FALLBACK);
-+        if (ret == 0) {
-+            s->has_zero_init = true;
-+        }
-+    }
-+
-     /* Allocate buffer for copied data. For compressed images, only one cluster
-      * can be copied at a time. */
-     if (s->compressed) {

debian/patches/extra/0001-monitor-qmp-fix-race-with-clients-disconnecting-earl.patch

@@ -0,0 +1,206 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Stefan Reiter <s.reiter@proxmox.com>
+Date: Mon, 23 Aug 2021 11:28:32 +0200
+Subject: [PATCH] monitor/qmp: fix race with clients disconnecting early
+
+The following sequence can produce a race condition that results in
+responses meant for different clients being sent to the wrong one:
+
+(QMP, no OOB)
+1) client A connects
+2) client A sends 'qmp_capabilities'
+3) 'qmp_dispatch' runs in coroutine, schedules out to
+   'do_qmp_dispatch_bh' and yields
+4) client A disconnects (i.e. aborts, crashes, etc...)
+5) client B connects
+6) 'do_qmp_dispatch_bh' runs 'qmp_capabilities' and wakes calling coroutine
+7) capabilities are now set and 'mon->commands' is set to '&qmp_commands'
+8) 'qmp_dispatch' returns to 'monitor_qmp_dispatch'
+9) success message is sent to client B *without it ever having sent
+   'qmp_capabilities' itself*
+9a) even if client B ignores it, it will now presumably send it's own
+   greeting, which will error because caps are already set
+
+The fix proposed here uses an atomic, sequential connection number
+stored in the MonitorQMP struct, which is incremented everytime a new
+client connects. Since it is not changed on CHR_EVENT_CLOSED, the
+behaviour of allowing a client to disconnect only one side of the
+connection is retained.
+
+The connection_nr needs to be exposed outside of the monitor subsystem,
+since qmp_dispatch lives in qapi code. It needs to be checked twice,
+once for actually running the command in the BH (fixes 7), and once for
+sending back a response (fixes 9).
+
+This satisfies my local reproducer - using multiple clients constantly
+looping to open a connection, send the greeting, then exiting no longer
+crashes other, normally behaving clients with unrelated responses.
+
+Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+---
+ include/monitor/monitor.h  |  1 +
+ monitor/monitor-internal.h |  7 +++++++
+ monitor/monitor.c          | 15 +++++++++++++++
+ monitor/qmp.c              | 15 ++++++++++++++-
+ qapi/qmp-dispatch.c        | 21 +++++++++++++++++----
+ stubs/monitor-core.c       |  5 +++++
+ 6 files changed, 59 insertions(+), 5 deletions(-)
+
+diff --git a/include/monitor/monitor.h b/include/monitor/monitor.h
+index 737e750670..38804b8595 100644
+--- a/include/monitor/monitor.h
++++ b/include/monitor/monitor.h
+@@ -16,6 +16,7 @@ extern QemuOptsList qemu_mon_opts;
+ Monitor *monitor_cur(void);
+ Monitor *monitor_set_cur(Coroutine *co, Monitor *mon);
+ bool monitor_cur_is_qmp(void);
++int monitor_get_connection_nr(const Monitor *mon);
+ 
+ void monitor_init_globals(void);
+ void monitor_init_globals_core(void);
+diff --git a/monitor/monitor-internal.h b/monitor/monitor-internal.h
+index a2cdbbf646..b531bd50e7 100644
+--- a/monitor/monitor-internal.h
++++ b/monitor/monitor-internal.h
+@@ -152,6 +152,13 @@ typedef struct {
+     QemuMutex qmp_queue_lock;
+     /* Input queue that holds all the parsed QMP requests */
+     GQueue *qmp_requests;
++
++    /*
++     * A sequential number that gets incremented on every new CHR_EVENT_OPENED.
++     * Used to avoid leftover responses in BHs from being sent to the wrong
++     * client. Access with atomics.
++     */
++    int connection_nr;
+ } MonitorQMP;
+ 
+ /**
+diff --git a/monitor/monitor.c b/monitor/monitor.c
+index 86949024f6..c306cadcf4 100644
+--- a/monitor/monitor.c
++++ b/monitor/monitor.c
+@@ -135,6 +135,21 @@ bool monitor_cur_is_qmp(void)
+     return cur_mon && monitor_is_qmp(cur_mon);
+ }
+ 
++/**
++ * If @mon is a QMP monitor, return the connection_nr, otherwise -1.
++ */
++int monitor_get_connection_nr(const Monitor *mon)
++{
++    MonitorQMP *qmp_mon;
++
++    if (!monitor_is_qmp(mon)) {
++        return -1;
++    }
++
++    qmp_mon = container_of(mon, MonitorQMP, common);
++    return qatomic_read(&qmp_mon->connection_nr);
++}
++
+ /**
+  * Is @mon is using readline?
+  * Note: not all HMP monitors use readline, e.g., gdbserver has a
+diff --git a/monitor/qmp.c b/monitor/qmp.c
+index 092c527b6f..6b8cfcf6d8 100644
+--- a/monitor/qmp.c
++++ b/monitor/qmp.c
+@@ -141,6 +141,8 @@ static void monitor_qmp_dispatch(MonitorQMP *mon, QObject *req)
+     QDict *rsp;
+     QDict *error;
+ 
++    int conn_nr_before = qatomic_read(&mon->connection_nr);
++
+     rsp = qmp_dispatch(mon->commands, req, qmp_oob_enabled(mon),
+                        &mon->common);
+ 
+@@ -156,7 +158,17 @@ static void monitor_qmp_dispatch(MonitorQMP *mon, QObject *req)
+         }
+     }
+ 
+-    monitor_qmp_respond(mon, rsp);
++    /*
++     * qmp_dispatch might have yielded and waited for a BH, in which case there
++     * is a chance a new client connected in the meantime - if this happened,
++     * the command will not have been executed, but we also need to ensure that
++     * we don't send back a corresponding response on a line that no longer
++     * belongs to this request.
++     */
++    if (conn_nr_before == qatomic_read(&mon->connection_nr)) {
++        monitor_qmp_respond(mon, rsp);
++    }
++
+     qobject_unref(rsp);
+ }
+ 
+@@ -444,6 +456,7 @@ static void monitor_qmp_event(void *opaque, QEMUChrEvent event)
+ 
+     switch (event) {
+     case CHR_EVENT_OPENED:
++        qatomic_inc_fetch(&mon->connection_nr);
+         mon->commands = &qmp_cap_negotiation_commands;
+         monitor_qmp_caps_reset(mon);
+         data = qmp_greeting(mon);
+diff --git a/qapi/qmp-dispatch.c b/qapi/qmp-dispatch.c
+index 0990873ec8..e605003771 100644
+--- a/qapi/qmp-dispatch.c
++++ b/qapi/qmp-dispatch.c
+@@ -117,16 +117,28 @@ typedef struct QmpDispatchBH {
+     QObject **ret;
+     Error **errp;
+     Coroutine *co;
++    int conn_nr;
+ } QmpDispatchBH;
+ 
+ static void do_qmp_dispatch_bh(void *opaque)
+ {
+     QmpDispatchBH *data = opaque;
+ 
+-    assert(monitor_cur() == NULL);
+-    monitor_set_cur(qemu_coroutine_self(), data->cur_mon);
+-    data->cmd->fn(data->args, data->ret, data->errp);
+-    monitor_set_cur(qemu_coroutine_self(), NULL);
++    /*
++     * A QMP monitor tracks it's client with a connection number, if this
++     * changes during the scheduling delay of this BH, we must not execute the
++     * command. Otherwise a badly placed 'qmp_capabilities' might affect the
++     * connection state of a client it was never meant for.
++     */
++    if (data->conn_nr == monitor_get_connection_nr(data->cur_mon)) {
++        assert(monitor_cur() == NULL);
++        monitor_set_cur(qemu_coroutine_self(), data->cur_mon);
++        data->cmd->fn(data->args, data->ret, data->errp);
++        monitor_set_cur(qemu_coroutine_self(), NULL);
++    } else {
++        error_setg(data->errp, "active monitor connection changed");
++    }
++
+     aio_co_wake(data->co);
+ }
+ 
+@@ -231,6 +243,7 @@ QDict *qmp_dispatch(const QmpCommandList *cmds, QObject *request,
+             .ret        = &ret,
+             .errp       = &err,
+             .co         = qemu_coroutine_self(),
++            .conn_nr    = monitor_get_connection_nr(cur_mon),
+         };
+         aio_bh_schedule_oneshot(qemu_get_aio_context(), do_qmp_dispatch_bh,
+                                 &data);
+diff --git a/stubs/monitor-core.c b/stubs/monitor-core.c
+index afa477aae6..d3ff124bf3 100644
+--- a/stubs/monitor-core.c
++++ b/stubs/monitor-core.c
+@@ -12,6 +12,11 @@ Monitor *monitor_set_cur(Coroutine *co, Monitor *mon)
+     return NULL;
+ }
+ 
++int monitor_get_connection_nr(const Monitor *mon)
++{
++    return -1;
++}
++
+ void monitor_init_qmp(Chardev *chr, bool pretty, Error **errp)
+ {
+ }

debian/patches/extra/0002-docs-don-t-install-man-page-if-guest-agent-is-disabl.patch

@@ -1,38 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Stefan Reiter <s.reiter@proxmox.com>
-Date: Thu, 28 Jan 2021 15:19:51 +0100
-Subject: [PATCH] docs: don't install man page if guest agent is disabled
-
-No sense outputting the qemu-ga and qemu-ga-ref man pages when the guest
-agent binary itself is disabled. This mirrors behaviour from before the
-meson switch.
-
-Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
----
- docs/meson.build | 6 ++++--
- 1 file changed, 4 insertions(+), 2 deletions(-)
-
-diff --git a/docs/meson.build b/docs/meson.build
-index ebd85d59f9..cc6f5007f8 100644
---- a/docs/meson.build
-+++ b/docs/meson.build
-@@ -46,6 +46,8 @@ if build_docs
-                           meson.source_root() / 'docs/sphinx/qmp_lexer.py',
-                           qapi_gen_depends ]
- 
-+  have_ga = have_tools and config_host.has_key('CONFIG_GUEST_AGENT')
-+
-   configure_file(output: 'index.html',
-                  input: files('index.html.in'),
-                  configuration: {'VERSION': meson.project_version()},
-@@ -53,8 +55,8 @@ if build_docs
-   manuals = [ 'devel', 'interop', 'tools', 'specs', 'system', 'user' ]
-   man_pages = {
-     'interop' : {
--        'qemu-ga.8': (have_tools ? 'man8' : ''),
--        'qemu-ga-ref.7': 'man7',
-+        'qemu-ga.8': (have_ga ? 'man8' : ''),
-+        'qemu-ga-ref.7': (have_ga ? 'man7' : ''),
-         'qemu-qmp-ref.7': 'man7',
-     },
-     'tools': {

debian/patches/extra/0002-init-daemonize-defuse-PID-file-resolve-error.patch

@@ -0,0 +1,42 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Fiona Ebner <f.ebner@proxmox.com>
+Date: Fri, 28 Oct 2022 10:09:46 +0200
+Subject: [PATCH] init: daemonize: defuse PID file resolve error
+
+When proxmox-file-restore invokes QEMU, the PID file is a (temporary)
+file that's already unlinked, so resolving the absolute path here
+failed.
+
+It should not be a critical error when the PID file unlink handler
+can't be registered, because the path can't be resolved for whatever
+reason. If the file is already gone from QEMU's perspective (i.e.
+errno is ENOENT), silently ignore the error. Otherwise, print a
+warning.
+
+Reported-by: Dominik Csapak <d.csapak@proxmox.com>
+Suggested-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ softmmu/vl.c | 9 +++++----
+ 1 file changed, 5 insertions(+), 4 deletions(-)
+
+diff --git a/softmmu/vl.c b/softmmu/vl.c
+index 5115221efe..5f7f6ca981 100644
+--- a/softmmu/vl.c
++++ b/softmmu/vl.c
+@@ -2460,10 +2460,11 @@ static void qemu_maybe_daemonize(const char *pid_file)
+ 
+         pid_file_realpath = g_malloc0(PATH_MAX);
+         if (!realpath(pid_file, pid_file_realpath)) {
+-            error_report("cannot resolve PID file path: %s: %s",
+-                         pid_file, strerror(errno));
+-            unlink(pid_file);
+-            exit(1);
++            if (errno != ENOENT) {
++                warn_report("not removing PID file on exit: cannot resolve PID "
++                            "file path: %s: %s", pid_file, strerror(errno));
++            }
++            return;
+         }
+ 
+         qemu_unlink_pidfile_notifier = (struct UnlinkPidfileNotifier) {

debian/patches/extra/0003-migration-only-check-page-size-match-if-RAM-postcopy.patch

@@ -1,31 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Stefan Reiter <s.reiter@proxmox.com>
-Date: Thu, 4 Feb 2021 17:06:19 +0100
-Subject: [PATCH] migration: only check page size match if RAM postcopy is
- enabled
-
-Postcopy may also be advised for dirty-bitmap migration only, in which
-case the remote page size will not be available and we'll instead read
-bogus data, blocking migration with a mismatch error if the VM uses
-hugepages.
-
-Fixes: 58110f0acb ("migration: split common postcopy out of ram postcopy")
-Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
-Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
----
- migration/ram.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/migration/ram.c b/migration/ram.c
-index 7811cde643..6ace15261c 100644
---- a/migration/ram.c
-+++ b/migration/ram.c
-@@ -3521,7 +3521,7 @@ static int ram_load_precopy(QEMUFile *f)
-                         }
-                     }
-                     /* For postcopy we need to check hugepage sizes match */
--                    if (postcopy_advised &&
-+                    if (postcopy_advised && migrate_postcopy_ram() &&
-                         block->page_size != qemu_host_page_size) {
-                         uint64_t remote_page_size = qemu_get_be64(f);
-                         if (remote_page_size != block->page_size) {

debian/patches/extra/0003-virtio-mem-Fix-the-bitmap-index-of-the-section-offse.patch

@@ -0,0 +1,44 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Chenyi Qiang <chenyi.qiang@intel.com>
+Date: Fri, 16 Dec 2022 14:22:31 +0800
+Subject: [PATCH] virtio-mem: Fix the bitmap index of the section offset
+
+vmem->bitmap indexes the memory region of the virtio-mem backend at a
+granularity of block_size. To calculate the index of target section offset,
+the block_size should be divided instead of the bitmap_size.
+
+Fixes: 2044969f0b ("virtio-mem: Implement RamDiscardManager interface")
+Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
+Message-Id: <20221216062231.11181-1-chenyi.qiang@intel.com>
+Reviewed-by: David Hildenbrand <david@redhat.com>
+Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
+Cc: qemu-stable@nongnu.org
+Signed-off-by: David Hildenbrand <david@redhat.com>
+(cherry-picked from commit b11cf32e07a2f7ff0d171b89497381a04c9d07e0)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/virtio/virtio-mem.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/hw/virtio/virtio-mem.c b/hw/virtio/virtio-mem.c
+index ed170def48..e19ee817fe 100644
+--- a/hw/virtio/virtio-mem.c
++++ b/hw/virtio/virtio-mem.c
+@@ -235,7 +235,7 @@ static int virtio_mem_for_each_plugged_section(const VirtIOMEM *vmem,
+     uint64_t offset, size;
+     int ret = 0;
+ 
+-    first_bit = s->offset_within_region / vmem->bitmap_size;
++    first_bit = s->offset_within_region / vmem->block_size;
+     first_bit = find_next_bit(vmem->bitmap, vmem->bitmap_size, first_bit);
+     while (first_bit < vmem->bitmap_size) {
+         MemoryRegionSection tmp = *s;
+@@ -267,7 +267,7 @@ static int virtio_mem_for_each_unplugged_section(const VirtIOMEM *vmem,
+     uint64_t offset, size;
+     int ret = 0;
+ 
+-    first_bit = s->offset_within_region / vmem->bitmap_size;
++    first_bit = s->offset_within_region / vmem->block_size;
+     first_bit = find_next_zero_bit(vmem->bitmap, vmem->bitmap_size, first_bit);
+     while (first_bit < vmem->bitmap_size) {
+         MemoryRegionSection tmp = *s;

debian/patches/extra/0004-virtio-mem-Fix-the-iterator-variable-in-a-vmem-rdl_l.patch

@@ -0,0 +1,36 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Chenyi Qiang <chenyi.qiang@intel.com>
+Date: Wed, 28 Dec 2022 17:03:12 +0800
+Subject: [PATCH] virtio-mem: Fix the iterator variable in a vmem->rdl_list
+ loop
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+It should be the variable rdl2 to revert the already-notified listeners.
+
+Fixes: 2044969f0b ("virtio-mem: Implement RamDiscardManager interface")
+Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
+Message-Id: <20221228090312.17276-1-chenyi.qiang@intel.com>
+Cc: qemu-stable@nongnu.org
+Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
+Signed-off-by: David Hildenbrand <david@redhat.com>
+(cherry-picked from commit 29f1b328e3b767cba2661920a8470738469b9e36)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/virtio/virtio-mem.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/hw/virtio/virtio-mem.c b/hw/virtio/virtio-mem.c
+index e19ee817fe..56db586c89 100644
+--- a/hw/virtio/virtio-mem.c
++++ b/hw/virtio/virtio-mem.c
+@@ -341,7 +341,7 @@ static int virtio_mem_notify_plug(VirtIOMEM *vmem, uint64_t offset,
+     if (ret) {
+         /* Notify all already-notified listeners. */
+         QLIST_FOREACH(rdl2, &vmem->rdl_list, next) {
+-            MemoryRegionSection tmp = *rdl->section;
++            MemoryRegionSection tmp = *rdl2->section;
+ 
+             if (rdl2 == rdl) {
+                 break;

debian/patches/extra/0004-virtiofsd-extract-lo_do_open-from-lo_open.patch

@@ -1,143 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Stefan Hajnoczi <stefanha@redhat.com>
-Date: Thu, 4 Feb 2021 18:34:35 +0000
-Subject: [PATCH] virtiofsd: extract lo_do_open() from lo_open()
-
-Both lo_open() and lo_create() have similar code to open a file. Extract
-a common lo_do_open() function from lo_open() that will be used by
-lo_create() in a later commit.
-
-Since lo_do_open() does not otherwise need fuse_req_t req, convert
-lo_add_fd_mapping() to use struct lo_data *lo instead.
-
-Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
-Message-Id: <20210204150208.367837-2-stefanha@redhat.com>
-Reviewed-by: Greg Kurz <groug@kaod.org>
-Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
-Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
----
- tools/virtiofsd/passthrough_ll.c | 73 ++++++++++++++++++++------------
- 1 file changed, 46 insertions(+), 27 deletions(-)
-
-diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
-index 97485b22b4..218e20e9d7 100644
---- a/tools/virtiofsd/passthrough_ll.c
-+++ b/tools/virtiofsd/passthrough_ll.c
-@@ -471,17 +471,17 @@ static void lo_map_remove(struct lo_map *map, size_t key)
- }
- 
- /* Assumes lo->mutex is held */
--static ssize_t lo_add_fd_mapping(fuse_req_t req, int fd)
-+static ssize_t lo_add_fd_mapping(struct lo_data *lo, int fd)
- {
-     struct lo_map_elem *elem;
- 
--    elem = lo_map_alloc_elem(&lo_data(req)->fd_map);
-+    elem = lo_map_alloc_elem(&lo->fd_map);
-     if (!elem) {
-         return -1;
-     }
- 
-     elem->fd = fd;
--    return elem - lo_data(req)->fd_map.elems;
-+    return elem - lo->fd_map.elems;
- }
- 
- /* Assumes lo->mutex is held */
-@@ -1661,6 +1661,38 @@ static void update_open_flags(int writeback, int allow_direct_io,
-     }
- }
- 
-+static int lo_do_open(struct lo_data *lo, struct lo_inode *inode,
-+                      struct fuse_file_info *fi)
-+{
-+    char buf[64];
-+    ssize_t fh;
-+    int fd;
-+
-+    update_open_flags(lo->writeback, lo->allow_direct_io, fi);
-+
-+    sprintf(buf, "%i", inode->fd);
-+    fd = openat(lo->proc_self_fd, buf, fi->flags & ~O_NOFOLLOW);
-+    if (fd == -1) {
-+        return errno;
-+    }
-+
-+    pthread_mutex_lock(&lo->mutex);
-+    fh = lo_add_fd_mapping(lo, fd);
-+    pthread_mutex_unlock(&lo->mutex);
-+    if (fh == -1) {
-+        close(fd);
-+        return ENOMEM;
-+    }
-+
-+    fi->fh = fh;
-+    if (lo->cache == CACHE_NONE) {
-+        fi->direct_io = 1;
-+    } else if (lo->cache == CACHE_ALWAYS) {
-+        fi->keep_cache = 1;
-+    }
-+    return 0;
-+}
-+
- static void lo_create(fuse_req_t req, fuse_ino_t parent, const char *name,
-                       mode_t mode, struct fuse_file_info *fi)
- {
-@@ -1701,7 +1733,7 @@ static void lo_create(fuse_req_t req, fuse_ino_t parent, const char *name,
-         ssize_t fh;
- 
-         pthread_mutex_lock(&lo->mutex);
--        fh = lo_add_fd_mapping(req, fd);
-+        fh = lo_add_fd_mapping(lo, fd);
-         pthread_mutex_unlock(&lo->mutex);
-         if (fh == -1) {
-             close(fd);
-@@ -1892,38 +1924,25 @@ static void lo_fsyncdir(fuse_req_t req, fuse_ino_t ino, int datasync,
- 
- static void lo_open(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)
- {
--    int fd;
--    ssize_t fh;
--    char buf[64];
-     struct lo_data *lo = lo_data(req);
-+    struct lo_inode *inode = lo_inode(req, ino);
-+    int err;
- 
-     fuse_log(FUSE_LOG_DEBUG, "lo_open(ino=%" PRIu64 ", flags=%d)\n", ino,
-              fi->flags);
- 
--    update_open_flags(lo->writeback, lo->allow_direct_io, fi);
--
--    sprintf(buf, "%i", lo_fd(req, ino));
--    fd = openat(lo->proc_self_fd, buf, fi->flags & ~O_NOFOLLOW);
--    if (fd == -1) {
--        return (void)fuse_reply_err(req, errno);
--    }
--
--    pthread_mutex_lock(&lo->mutex);
--    fh = lo_add_fd_mapping(req, fd);
--    pthread_mutex_unlock(&lo->mutex);
--    if (fh == -1) {
--        close(fd);
--        fuse_reply_err(req, ENOMEM);
-+    if (!inode) {
-+        fuse_reply_err(req, EBADF);
-         return;
-     }
- 
--    fi->fh = fh;
--    if (lo->cache == CACHE_NONE) {
--        fi->direct_io = 1;
--    } else if (lo->cache == CACHE_ALWAYS) {
--        fi->keep_cache = 1;
-+    err = lo_do_open(lo, inode, fi);
-+    lo_inode_put(lo, &inode);
-+    if (err) {
-+        fuse_reply_err(req, err);
-+    } else {
-+        fuse_reply_open(req, fi);
-     }
--    fuse_reply_open(req, fi);
- }
- 
- static void lo_release(fuse_req_t req, fuse_ino_t ino,

debian/patches/extra/0005-vhost-fix-vq-dirty-bitmap-syncing-when-vIOMMU-is-ena.patch

@@ -0,0 +1,141 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jason Wang <jasowang@redhat.com>
+Date: Fri, 16 Dec 2022 11:35:52 +0800
+Subject: [PATCH] vhost: fix vq dirty bitmap syncing when vIOMMU is enabled
+
+When vIOMMU is enabled, the vq->used_phys is actually the IOVA not
+GPA. So we need to translate it to GPA before the syncing otherwise we
+may hit the following crash since IOVA could be out of the scope of
+the GPA log size. This could be noted when using virtio-IOMMU with
+vhost using 1G memory.
+
+Fixes: c471ad0e9bd46 ("vhost_net: device IOTLB support")
+Cc: qemu-stable@nongnu.org
+Tested-by: Lei Yang <leiyang@redhat.com>
+Reported-by: Yalan Zhang <yalzhang@redhat.com>
+Signed-off-by: Jason Wang <jasowang@redhat.com>
+Message-Id: <20221216033552.77087-1-jasowang@redhat.com>
+Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
+Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
+(cherry-picked from commit 345cc1cbcbce2bab00abc2b88338d7d89c702d6b)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/virtio/vhost.c | 84 ++++++++++++++++++++++++++++++++++++-----------
+ 1 file changed, 64 insertions(+), 20 deletions(-)
+
+diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
+index 7fb008bc9e..fdcd1a8fdf 100644
+--- a/hw/virtio/vhost.c
++++ b/hw/virtio/vhost.c
+@@ -20,6 +20,7 @@
+ #include "qemu/range.h"
+ #include "qemu/error-report.h"
+ #include "qemu/memfd.h"
++#include "qemu/log.h"
+ #include "standard-headers/linux/vhost_types.h"
+ #include "hw/virtio/virtio-bus.h"
+ #include "hw/virtio/virtio-access.h"
+@@ -106,6 +107,24 @@ static void vhost_dev_sync_region(struct vhost_dev *dev,
+     }
+ }
+ 
++static bool vhost_dev_has_iommu(struct vhost_dev *dev)
++{
++    VirtIODevice *vdev = dev->vdev;
++
++    /*
++     * For vhost, VIRTIO_F_IOMMU_PLATFORM means the backend support
++     * incremental memory mapping API via IOTLB API. For platform that
++     * does not have IOMMU, there's no need to enable this feature
++     * which may cause unnecessary IOTLB miss/update transactions.
++     */
++    if (vdev) {
++        return virtio_bus_device_iommu_enabled(vdev) &&
++            virtio_host_has_feature(vdev, VIRTIO_F_IOMMU_PLATFORM);
++    } else {
++        return false;
++    }
++}
++
+ static int vhost_sync_dirty_bitmap(struct vhost_dev *dev,
+                                    MemoryRegionSection *section,
+                                    hwaddr first,
+@@ -137,8 +156,51 @@ static int vhost_sync_dirty_bitmap(struct vhost_dev *dev,
+             continue;
+         }
+ 
+-        vhost_dev_sync_region(dev, section, start_addr, end_addr, vq->used_phys,
+-                              range_get_last(vq->used_phys, vq->used_size));
++        if (vhost_dev_has_iommu(dev)) {
++            IOMMUTLBEntry iotlb;
++            hwaddr used_phys = vq->used_phys, used_size = vq->used_size;
++            hwaddr phys, s, offset;
++
++            while (used_size) {
++                rcu_read_lock();
++                iotlb = address_space_get_iotlb_entry(dev->vdev->dma_as,
++                                                      used_phys,
++                                                      true,
++                                                      MEMTXATTRS_UNSPECIFIED);
++                rcu_read_unlock();
++
++                if (!iotlb.target_as) {
++                    qemu_log_mask(LOG_GUEST_ERROR, "translation "
++                                  "failure for used_iova %"PRIx64"\n",
++                                  used_phys);
++                    return -EINVAL;
++                }
++
++                offset = used_phys & iotlb.addr_mask;
++                phys = iotlb.translated_addr + offset;
++
++                /*
++                 * Distance from start of used ring until last byte of
++                 * IOMMU page.
++                 */
++                s = iotlb.addr_mask - offset;
++                /*
++                 * Size of used ring, or of the part of it until end
++                 * of IOMMU page. To avoid zero result, do the adding
++                 * outside of MIN().
++                 */
++                s = MIN(s, used_size - 1) + 1;
++
++                vhost_dev_sync_region(dev, section, start_addr, end_addr, phys,
++                                      range_get_last(phys, s));
++                used_size -= s;
++                used_phys += s;
++            }
++        } else {
++            vhost_dev_sync_region(dev, section, start_addr,
++                                  end_addr, vq->used_phys,
++                                  range_get_last(vq->used_phys, vq->used_size));
++        }
+     }
+     return 0;
+ }
+@@ -306,24 +368,6 @@ static inline void vhost_dev_log_resize(struct vhost_dev *dev, uint64_t size)
+     dev->log_size = size;
+ }
+ 
+-static bool vhost_dev_has_iommu(struct vhost_dev *dev)
+-{
+-    VirtIODevice *vdev = dev->vdev;
+-
+-    /*
+-     * For vhost, VIRTIO_F_IOMMU_PLATFORM means the backend support
+-     * incremental memory mapping API via IOTLB API. For platform that
+-     * does not have IOMMU, there's no need to enable this feature
+-     * which may cause unnecessary IOTLB miss/update transactions.
+-     */
+-    if (vdev) {
+-        return virtio_bus_device_iommu_enabled(vdev) &&
+-            virtio_host_has_feature(vdev, VIRTIO_F_IOMMU_PLATFORM);
+-    } else {
+-        return false;
+-    }
+-}
+-
+ static void *vhost_memory_map(struct vhost_dev *dev, hwaddr addr,
+                               hwaddr *plen, bool is_write)
+ {

debian/patches/extra/0005-virtiofsd-optionally-return-inode-pointer-from-lo_do.patch

@@ -1,107 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Stefan Hajnoczi <stefanha@redhat.com>
-Date: Thu, 4 Feb 2021 18:34:36 +0000
-Subject: [PATCH] virtiofsd: optionally return inode pointer from
- lo_do_lookup()
-
-lo_do_lookup() finds an existing inode or allocates a new one. It
-increments nlookup so that the inode stays alive until the client
-releases it.
-
-Existing callers don't need the struct lo_inode so the function doesn't
-return it. Extend the function to optionally return the inode. The next
-commit will need it.
-
-Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
-Reviewed-by: Greg Kurz <groug@kaod.org>
-Message-Id: <20210204150208.367837-3-stefanha@redhat.com>
-Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
-Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
----
- tools/virtiofsd/passthrough_ll.c | 29 +++++++++++++++++++++--------
- 1 file changed, 21 insertions(+), 8 deletions(-)
-
-diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
-index 218e20e9d7..2bd050b620 100644
---- a/tools/virtiofsd/passthrough_ll.c
-+++ b/tools/virtiofsd/passthrough_ll.c
-@@ -843,11 +843,13 @@ static int do_statx(struct lo_data *lo, int dirfd, const char *pathname,
- }
- 
- /*
-- * Increments nlookup and caller must release refcount using
-- * lo_inode_put(&parent).
-+ * Increments nlookup on the inode on success. unref_inode_lolocked() must be
-+ * called eventually to decrement nlookup again. If inodep is non-NULL, the
-+ * inode pointer is stored and the caller must call lo_inode_put().
-  */
- static int lo_do_lookup(fuse_req_t req, fuse_ino_t parent, const char *name,
--                        struct fuse_entry_param *e)
-+                        struct fuse_entry_param *e,
-+                        struct lo_inode **inodep)
- {
-     int newfd;
-     int res;
-@@ -857,6 +859,10 @@ static int lo_do_lookup(fuse_req_t req, fuse_ino_t parent, const char *name,
-     struct lo_inode *inode = NULL;
-     struct lo_inode *dir = lo_inode(req, parent);
- 
-+    if (inodep) {
-+        *inodep = NULL;
-+    }
-+
-     /*
-      * name_to_handle_at() and open_by_handle_at() can reach here with fuse
-      * mount point in guest, but we don't have its inode info in the
-@@ -924,7 +930,14 @@ static int lo_do_lookup(fuse_req_t req, fuse_ino_t parent, const char *name,
-         pthread_mutex_unlock(&lo->mutex);
-     }
-     e->ino = inode->fuse_ino;
--    lo_inode_put(lo, &inode);
-+
-+    /* Transfer ownership of inode pointer to caller or drop it */
-+    if (inodep) {
-+        *inodep = inode;
-+    } else {
-+        lo_inode_put(lo, &inode);
-+    }
-+
-     lo_inode_put(lo, &dir);
- 
-     fuse_log(FUSE_LOG_DEBUG, "  %lli/%s -> %lli\n", (unsigned long long)parent,
-@@ -959,7 +972,7 @@ static void lo_lookup(fuse_req_t req, fuse_ino_t parent, const char *name)
-         return;
-     }
- 
--    err = lo_do_lookup(req, parent, name, &e);
-+    err = lo_do_lookup(req, parent, name, &e, NULL);
-     if (err) {
-         fuse_reply_err(req, err);
-     } else {
-@@ -1067,7 +1080,7 @@ static void lo_mknod_symlink(fuse_req_t req, fuse_ino_t parent,
-         goto out;
-     }
- 
--    saverr = lo_do_lookup(req, parent, name, &e);
-+    saverr = lo_do_lookup(req, parent, name, &e, NULL);
-     if (saverr) {
-         goto out;
-     }
-@@ -1544,7 +1557,7 @@ static void lo_do_readdir(fuse_req_t req, fuse_ino_t ino, size_t size,
- 
-         if (plus) {
-             if (!is_dot_or_dotdot(name)) {
--                err = lo_do_lookup(req, ino, name, &e);
-+                err = lo_do_lookup(req, ino, name, &e, NULL);
-                 if (err) {
-                     goto error;
-                 }
-@@ -1742,7 +1755,7 @@ static void lo_create(fuse_req_t req, fuse_ino_t parent, const char *name,
-         }
- 
-         fi->fh = fh;
--        err = lo_do_lookup(req, parent, name, &e);
-+        err = lo_do_lookup(req, parent, name, &e, NULL);
-     }
-     if (lo->cache == CACHE_NONE) {
-         fi->direct_io = 1;

debian/patches/extra/0006-virtio-rng-pci-fix-migration-compat-for-vectors.patch

@@ -0,0 +1,42 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
+Date: Mon, 9 Jan 2023 10:58:09 +0000
+Subject: [PATCH] virtio-rng-pci: fix migration compat for vectors
+
+Fixup the migration compatibility for existing machine types
+so that they do not enable msi-x.
+
+Symptom:
+
+(qemu) qemu: get_pci_config_device: Bad config data: i=0x34 read: 84 device: 98 cmask: ff wmask: 0 w1cmask:0
+qemu: Failed to load PCIDevice:config
+qemu: Failed to load virtio-rng:virtio
+qemu: error while loading state for instance 0x0 of device '0000:00:03.0/virtio-rng'
+qemu: load of migration failed: Invalid argument
+
+Note: This fix will break migration from 7.2->7.2-fixed with this patch
+
+bz: https://bugzilla.redhat.com/show_bug.cgi?id=2155749
+Fixes: 9ea02e8f1 ("virtio-rng-pci: Allow setting nvectors, so we can use MSI-X")
+
+Reviewed-by: Thomas Huth <thuth@redhat.com>
+Acked-by: David Daney <david.daney@fungible.com>
+Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
+(picked-up from https://lists.nongnu.org/archive/html/qemu-devel/2023-01/msg01319.html)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/core/machine.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/hw/core/machine.c b/hw/core/machine.c
+index 8d34caa31d..77a0a131d1 100644
+--- a/hw/core/machine.c
++++ b/hw/core/machine.c
+@@ -42,6 +42,7 @@
+ 
+ GlobalProperty hw_compat_7_1[] = {
+     { "virtio-device", "queue_reset", "false" },
++    { "virtio-rng-pci", "vectors", "0" },
+ };
+ const size_t hw_compat_7_1_len = G_N_ELEMENTS(hw_compat_7_1);
+ 

debian/patches/extra/0006-virtiofsd-prevent-opening-of-special-files-CVE-2020-.patch

@@ -1,296 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Stefan Hajnoczi <stefanha@redhat.com>
-Date: Thu, 4 Feb 2021 18:34:37 +0000
-Subject: [PATCH] virtiofsd: prevent opening of special files (CVE-2020-35517)
-
-A well-behaved FUSE client does not attempt to open special files with
-FUSE_OPEN because they are handled on the client side (e.g. device nodes
-are handled by client-side device drivers).
-
-The check to prevent virtiofsd from opening special files is missing in
-a few cases, most notably FUSE_OPEN. A malicious client can cause
-virtiofsd to open a device node, potentially allowing the guest to
-escape. This can be exploited by a modified guest device driver. It is
-not exploitable from guest userspace since the guest kernel will handle
-special files inside the guest instead of sending FUSE requests.
-
-This patch fixes this issue by introducing the lo_inode_open() function
-to check the file type before opening it. This is a short-term solution
-because it does not prevent a compromised virtiofsd process from opening
-device nodes on the host.
-
-Restructure lo_create() to try O_CREAT | O_EXCL first. Note that O_CREAT
-| O_EXCL does not follow symlinks, so O_NOFOLLOW masking is not
-necessary here. If the file exists and the user did not specify O_EXCL,
-open it via lo_do_open().
-
-Reported-by: Alex Xu <alex@alxu.ca>
-Fixes: CVE-2020-35517
-Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
-Reviewed-by: Vivek Goyal <vgoyal@redhat.com>
-Reviewed-by: Greg Kurz <groug@kaod.org>
-Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
-Message-Id: <20210204150208.367837-4-stefanha@redhat.com>
-Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
-Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
----
- tools/virtiofsd/passthrough_ll.c | 144 ++++++++++++++++++++-----------
- 1 file changed, 92 insertions(+), 52 deletions(-)
-
-diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
-index 2bd050b620..03c5e0d13c 100644
---- a/tools/virtiofsd/passthrough_ll.c
-+++ b/tools/virtiofsd/passthrough_ll.c
-@@ -567,6 +567,38 @@ static int lo_fd(fuse_req_t req, fuse_ino_t ino)
-     return fd;
- }
- 
-+/*
-+ * Open a file descriptor for an inode. Returns -EBADF if the inode is not a
-+ * regular file or a directory.
-+ *
-+ * Use this helper function instead of raw openat(2) to prevent security issues
-+ * when a malicious client opens special files such as block device nodes.
-+ * Symlink inodes are also rejected since symlinks must already have been
-+ * traversed on the client side.
-+ */
-+static int lo_inode_open(struct lo_data *lo, struct lo_inode *inode,
-+                         int open_flags)
-+{
-+    g_autofree char *fd_str = g_strdup_printf("%d", inode->fd);
-+    int fd;
-+
-+    if (!S_ISREG(inode->filetype) && !S_ISDIR(inode->filetype)) {
-+        return -EBADF;
-+    }
-+
-+    /*
-+     * The file is a symlink so O_NOFOLLOW must be ignored. We checked earlier
-+     * that the inode is not a special file but if an external process races
-+     * with us then symlinks are traversed here. It is not possible to escape
-+     * the shared directory since it is mounted as "/" though.
-+     */
-+    fd = openat(lo->proc_self_fd, fd_str, open_flags & ~O_NOFOLLOW);
-+    if (fd < 0) {
-+        return -errno;
-+    }
-+    return fd;
-+}
-+
- static void lo_init(void *userdata, struct fuse_conn_info *conn)
- {
-     struct lo_data *lo = (struct lo_data *)userdata;
-@@ -696,9 +728,9 @@ static void lo_setattr(fuse_req_t req, fuse_ino_t ino, struct stat *attr,
-         if (fi) {
-             truncfd = fd;
-         } else {
--            sprintf(procname, "%i", ifd);
--            truncfd = openat(lo->proc_self_fd, procname, O_RDWR);
-+            truncfd = lo_inode_open(lo, inode, O_RDWR);
-             if (truncfd < 0) {
-+                errno = -truncfd;
-                 goto out_err;
-             }
-         }
-@@ -860,7 +892,7 @@ static int lo_do_lookup(fuse_req_t req, fuse_ino_t parent, const char *name,
-     struct lo_inode *dir = lo_inode(req, parent);
- 
-     if (inodep) {
--        *inodep = NULL;
-+        *inodep = NULL; /* in case there is an error */
-     }
- 
-     /*
-@@ -1674,19 +1706,26 @@ static void update_open_flags(int writeback, int allow_direct_io,
-     }
- }
- 
-+/*
-+ * Open a regular file, set up an fd mapping, and fill out the struct
-+ * fuse_file_info for it. If existing_fd is not negative, use that fd instead
-+ * opening a new one. Takes ownership of existing_fd.
-+ *
-+ * Returns 0 on success or a positive errno.
-+ */
- static int lo_do_open(struct lo_data *lo, struct lo_inode *inode,
--                      struct fuse_file_info *fi)
-+                      int existing_fd, struct fuse_file_info *fi)
- {
--    char buf[64];
-     ssize_t fh;
--    int fd;
-+    int fd = existing_fd;
- 
-     update_open_flags(lo->writeback, lo->allow_direct_io, fi);
- 
--    sprintf(buf, "%i", inode->fd);
--    fd = openat(lo->proc_self_fd, buf, fi->flags & ~O_NOFOLLOW);
--    if (fd == -1) {
--        return errno;
-+    if (fd < 0) {
-+        fd = lo_inode_open(lo, inode, fi->flags);
-+        if (fd < 0) {
-+            return -fd;
-+        }
-     }
- 
-     pthread_mutex_lock(&lo->mutex);
-@@ -1709,9 +1748,10 @@ static int lo_do_open(struct lo_data *lo, struct lo_inode *inode,
- static void lo_create(fuse_req_t req, fuse_ino_t parent, const char *name,
-                       mode_t mode, struct fuse_file_info *fi)
- {
--    int fd;
-+    int fd = -1;
-     struct lo_data *lo = lo_data(req);
-     struct lo_inode *parent_inode;
-+    struct lo_inode *inode = NULL;
-     struct fuse_entry_param e;
-     int err;
-     struct lo_cred old = {};
-@@ -1737,36 +1777,38 @@ static void lo_create(fuse_req_t req, fuse_ino_t parent, const char *name,
- 
-     update_open_flags(lo->writeback, lo->allow_direct_io, fi);
- 
--    fd = openat(parent_inode->fd, name, (fi->flags | O_CREAT) & ~O_NOFOLLOW,
--                mode);
-+    /* Try to create a new file but don't open existing files */
-+    fd = openat(parent_inode->fd, name, fi->flags | O_CREAT | O_EXCL, mode);
-     err = fd == -1 ? errno : 0;
--    lo_restore_cred(&old);
- 
--    if (!err) {
--        ssize_t fh;
-+    lo_restore_cred(&old);
- 
--        pthread_mutex_lock(&lo->mutex);
--        fh = lo_add_fd_mapping(lo, fd);
--        pthread_mutex_unlock(&lo->mutex);
--        if (fh == -1) {
--            close(fd);
--            err = ENOMEM;
--            goto out;
--        }
-+    /* Ignore the error if file exists and O_EXCL was not given */
-+    if (err && (err != EEXIST || (fi->flags & O_EXCL))) {
-+        goto out;
-+    }
- 
--        fi->fh = fh;
--        err = lo_do_lookup(req, parent, name, &e, NULL);
-+    err = lo_do_lookup(req, parent, name, &e, &inode);
-+    if (err) {
-+        goto out;
-     }
--    if (lo->cache == CACHE_NONE) {
--        fi->direct_io = 1;
--    } else if (lo->cache == CACHE_ALWAYS) {
--        fi->keep_cache = 1;
-+
-+    err = lo_do_open(lo, inode, fd, fi);
-+    fd = -1; /* lo_do_open() takes ownership of fd */
-+    if (err) {
-+        /* Undo lo_do_lookup() nlookup ref */
-+        unref_inode_lolocked(lo, inode, 1);
-     }
- 
- out:
-+    lo_inode_put(lo, &inode);
-     lo_inode_put(lo, &parent_inode);
- 
-     if (err) {
-+        if (fd >= 0) {
-+            close(fd);
-+        }
-+
-         fuse_reply_err(req, err);
-     } else {
-         fuse_reply_create(req, &e, fi);
-@@ -1780,7 +1822,6 @@ static struct lo_inode_plock *lookup_create_plock_ctx(struct lo_data *lo,
-                                                       pid_t pid, int *err)
- {
-     struct lo_inode_plock *plock;
--    char procname[64];
-     int fd;
- 
-     plock =
-@@ -1797,12 +1838,10 @@ static struct lo_inode_plock *lookup_create_plock_ctx(struct lo_data *lo,
-     }
- 
-     /* Open another instance of file which can be used for ofd locks. */
--    sprintf(procname, "%i", inode->fd);
--
-     /* TODO: What if file is not writable? */
--    fd = openat(lo->proc_self_fd, procname, O_RDWR);
--    if (fd == -1) {
--        *err = errno;
-+    fd = lo_inode_open(lo, inode, O_RDWR);
-+    if (fd < 0) {
-+        *err = -fd;
-         free(plock);
-         return NULL;
-     }
-@@ -1949,7 +1988,7 @@ static void lo_open(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)
-         return;
-     }
- 
--    err = lo_do_open(lo, inode, fi);
-+    err = lo_do_open(lo, inode, -1, fi);
-     lo_inode_put(lo, &inode);
-     if (err) {
-         fuse_reply_err(req, err);
-@@ -2005,39 +2044,40 @@ static void lo_flush(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)
- static void lo_fsync(fuse_req_t req, fuse_ino_t ino, int datasync,
-                      struct fuse_file_info *fi)
- {
-+    struct lo_inode *inode = lo_inode(req, ino);
-+    struct lo_data *lo = lo_data(req);
-     int res;
-     int fd;
--    char *buf;
- 
-     fuse_log(FUSE_LOG_DEBUG, "lo_fsync(ino=%" PRIu64 ", fi=0x%p)\n", ino,
-              (void *)fi);
- 
--    if (!fi) {
--        struct lo_data *lo = lo_data(req);
--
--        res = asprintf(&buf, "%i", lo_fd(req, ino));
--        if (res == -1) {
--            return (void)fuse_reply_err(req, errno);
--        }
-+    if (!inode) {
-+        fuse_reply_err(req, EBADF);
-+        return;
-+    }
- 
--        fd = openat(lo->proc_self_fd, buf, O_RDWR);
--        free(buf);
--        if (fd == -1) {
--            return (void)fuse_reply_err(req, errno);
-+    if (!fi) {
-+        fd = lo_inode_open(lo, inode, O_RDWR);
-+        if (fd < 0) {
-+            res = -fd;
-+            goto out;
-         }
-     } else {
-         fd = lo_fi_fd(req, fi);
-     }
- 
-     if (datasync) {
--        res = fdatasync(fd);
-+        res = fdatasync(fd) == -1 ? errno : 0;
-     } else {
--        res = fsync(fd);
-+        res = fsync(fd) == -1 ? errno : 0;
-     }
-     if (!fi) {
-         close(fd);
-     }
--    fuse_reply_err(req, res == -1 ? errno : 0);
-+out:
-+    lo_inode_put(lo, &inode);
-+    fuse_reply_err(req, res);
- }
- 
- static void lo_read(fuse_req_t req, fuse_ino_t ino, size_t size, off_t offset,

debian/patches/extra/0007-block-fix-detect-zeroes-with-BDRV_REQ_REGISTERED_BUF.patch

@@ -0,0 +1,36 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Stefan Hajnoczi <stefanha@redhat.com>
+Date: Thu, 26 Jan 2023 15:13:58 -0500
+Subject: [PATCH] block: fix detect-zeroes= with BDRV_REQ_REGISTERED_BUF
+
+When a write request is converted into a write zeroes request by the
+detect-zeroes= feature, it is no longer associated with an I/O buffer.
+The BDRV_REQ_REGISTERED_BUF flag doesn't make sense without an I/O
+buffer and must be cleared because bdrv_co_do_pwrite_zeroes() fails with
+-EINVAL when it's set.
+
+Fiona Ebner <f.ebner@proxmox.com> bisected and diagnosed this QEMU 7.2
+regression where writes containing zeroes to a blockdev with
+discard=unmap,detect-zeroes=unmap fail.
+
+Buglink: https://gitlab.com/qemu-project/qemu/-/issues/1404
+Fixes: e8b6535533be ("block: add BDRV_REQ_REGISTERED_BUF request flag")
+Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
+---
+ block/io.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/block/io.c b/block/io.c
+index b9424024f9..bbaa0d1b2d 100644
+--- a/block/io.c
++++ b/block/io.c
+@@ -2087,6 +2087,9 @@ static int coroutine_fn bdrv_aligned_pwritev(BdrvChild *child,
+         if (bs->detect_zeroes == BLOCKDEV_DETECT_ZEROES_OPTIONS_UNMAP) {
+             flags |= BDRV_REQ_MAY_UNMAP;
+         }
++
++        /* Can't use optimization hint with bufferless zero write */
++        flags &= ~BDRV_REQ_REGISTERED_BUF;
+     }
+ 
+     if (ret < 0) {

debian/patches/extra/0007-virtiofsd-Add-_llseek-to-the-seccomp-whitelist.patch

@@ -1,29 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Greg Kurz <groug@kaod.org>
-Date: Thu, 4 Feb 2021 18:34:38 +0000
-Subject: [PATCH] virtiofsd: Add _llseek to the seccomp whitelist
-
-This is how glibc implements lseek(2) on POWER.
-
-BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1917692
-Signed-off-by: Greg Kurz <groug@kaod.org>
-Message-Id: <20210121171540.1449777-1-groug@kaod.org>
-Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
-Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
-Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
----
- tools/virtiofsd/passthrough_seccomp.c | 1 +
- 1 file changed, 1 insertion(+)
-
-diff --git a/tools/virtiofsd/passthrough_seccomp.c b/tools/virtiofsd/passthrough_seccomp.c
-index 11623f56f2..bb8ef5b17f 100644
---- a/tools/virtiofsd/passthrough_seccomp.c
-+++ b/tools/virtiofsd/passthrough_seccomp.c
-@@ -68,6 +68,7 @@ static const int syscall_whitelist[] = {
-     SCMP_SYS(linkat),
-     SCMP_SYS(listxattr),
-     SCMP_SYS(lseek),
-+    SCMP_SYS(_llseek), /* For POWER */
-     SCMP_SYS(madvise),
-     SCMP_SYS(mkdirat),
-     SCMP_SYS(mknodat),

debian/patches/extra/0008-memory-prevent-dma-reentracy-issues.patch

@@ -0,0 +1,118 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Alexander Bulekov <alxndr@bu.edu>
+Date: Sat, 4 Feb 2023 23:07:34 -0500
+Subject: [PATCH] memory: prevent dma-reentracy issues
+
+Add a flag to the DeviceState, when a device is engaged in PIO/MMIO/DMA.
+This flag is set/checked prior to calling a device's MemoryRegion
+handlers, and set when device code initiates DMA.  The purpose of this
+flag is to prevent two types of DMA-based reentrancy issues:
+
+1.) mmio -> dma -> mmio case
+2.) bh -> dma write -> mmio case
+
+These issues have led to problems such as stack-exhaustion and
+use-after-frees.
+
+Summary of the problem from Peter Maydell:
+https://lore.kernel.org/qemu-devel/CAFEAcA_23vc7hE3iaM-JVA6W38LK4hJoWae5KcknhPRD5fPBZA@mail.gmail.com
+
+Resolves: https://gitlab.com/qemu-project/qemu/-/issues/62
+Resolves: https://gitlab.com/qemu-project/qemu/-/issues/540
+Resolves: https://gitlab.com/qemu-project/qemu/-/issues/541
+Resolves: https://gitlab.com/qemu-project/qemu/-/issues/556
+Resolves: https://gitlab.com/qemu-project/qemu/-/issues/557
+Resolves: https://gitlab.com/qemu-project/qemu/-/issues/827
+Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1282
+
+Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
+Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
+Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
+Acked-by: Peter Xu <peterx@redhat.com>
+(picked-up from https://lists.nongnu.org/archive/html/qemu-devel/2023-02/msg01142.html)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ include/hw/qdev-core.h |  7 +++++++
+ softmmu/memory.c       | 17 +++++++++++++++++
+ softmmu/trace-events   |  1 +
+ 3 files changed, 25 insertions(+)
+
+diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
+index 785dd5a56e..886f6bb79e 100644
+--- a/include/hw/qdev-core.h
++++ b/include/hw/qdev-core.h
+@@ -162,6 +162,10 @@ struct NamedClockList {
+     QLIST_ENTRY(NamedClockList) node;
+ };
+ 
++typedef struct {
++    bool engaged_in_io;
++} MemReentrancyGuard;
++
+ /**
+  * DeviceState:
+  * @realized: Indicates whether the device has been fully constructed.
+@@ -194,6 +198,9 @@ struct DeviceState {
+     int alias_required_for_version;
+     ResettableState reset;
+     GSList *unplug_blockers;
++
++    /* Is the device currently in mmio/pio/dma? Used to prevent re-entrancy */
++    MemReentrancyGuard mem_reentrancy_guard;
+ };
+ 
+ struct DeviceListener {
+diff --git a/softmmu/memory.c b/softmmu/memory.c
+index bc0be3f62c..7dcb3347aa 100644
+--- a/softmmu/memory.c
++++ b/softmmu/memory.c
+@@ -533,6 +533,7 @@ static MemTxResult access_with_adjusted_size(hwaddr addr,
+     uint64_t access_mask;
+     unsigned access_size;
+     unsigned i;
++    DeviceState *dev = NULL;
+     MemTxResult r = MEMTX_OK;
+ 
+     if (!access_size_min) {
+@@ -542,6 +543,19 @@ static MemTxResult access_with_adjusted_size(hwaddr addr,
+         access_size_max = 4;
+     }
+ 
++    /* Do not allow more than one simultanous access to a device's IO Regions */
++    if (mr->owner &&
++        !mr->ram_device && !mr->ram && !mr->rom_device && !mr->readonly) {
++        dev = (DeviceState *) object_dynamic_cast(mr->owner, TYPE_DEVICE);
++        if (dev) {
++            if (dev->mem_reentrancy_guard.engaged_in_io) {
++                trace_memory_region_reentrant_io(get_cpu_index(), mr, addr, size);
++                return MEMTX_ERROR;
++            }
++            dev->mem_reentrancy_guard.engaged_in_io = true;
++        }
++    }
++
+     /* FIXME: support unaligned access? */
+     access_size = MAX(MIN(size, access_size_max), access_size_min);
+     access_mask = MAKE_64BIT_MASK(0, access_size * 8);
+@@ -556,6 +570,9 @@ static MemTxResult access_with_adjusted_size(hwaddr addr,
+                         access_mask, attrs);
+         }
+     }
++    if (dev) {
++        dev->mem_reentrancy_guard.engaged_in_io = false;
++    }
+     return r;
+ }
+ 
+diff --git a/softmmu/trace-events b/softmmu/trace-events
+index 22606dc27b..62d04ea9a7 100644
+--- a/softmmu/trace-events
++++ b/softmmu/trace-events
+@@ -13,6 +13,7 @@ memory_region_ops_read(int cpu_index, void *mr, uint64_t addr, uint64_t value, u
+ memory_region_ops_write(int cpu_index, void *mr, uint64_t addr, uint64_t value, unsigned size, const char *name) "cpu %d mr %p addr 0x%"PRIx64" value 0x%"PRIx64" size %u name '%s'"
+ memory_region_subpage_read(int cpu_index, void *mr, uint64_t offset, uint64_t value, unsigned size) "cpu %d mr %p offset 0x%"PRIx64" value 0x%"PRIx64" size %u"
+ memory_region_subpage_write(int cpu_index, void *mr, uint64_t offset, uint64_t value, unsigned size) "cpu %d mr %p offset 0x%"PRIx64" value 0x%"PRIx64" size %u"
++memory_region_reentrant_io(int cpu_index, void *mr, uint64_t offset, unsigned size) "cpu %d mr %p offset 0x%"PRIx64" size %u"
+ memory_region_ram_device_read(int cpu_index, void *mr, uint64_t addr, uint64_t value, unsigned size) "cpu %d mr %p addr 0x%"PRIx64" value 0x%"PRIx64" size %u"
+ memory_region_ram_device_write(int cpu_index, void *mr, uint64_t addr, uint64_t value, unsigned size) "cpu %d mr %p addr 0x%"PRIx64" value 0x%"PRIx64" size %u"
+ memory_region_sync_dirty(const char *mr, const char *listener, int global) "mr '%s' listener '%s' synced (global=%d)"

debian/patches/extra/0008-virtiofsd-Add-restart_syscall-to-the-seccomp-whiteli.patch

@@ -1,31 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Greg Kurz <groug@kaod.org>
-Date: Thu, 4 Feb 2021 18:34:39 +0000
-Subject: [PATCH] virtiofsd: Add restart_syscall to the seccomp whitelist
-
-This is how linux restarts some system calls after SIGSTOP/SIGCONT.
-This is needed to avoid virtiofsd termination when resuming execution
-under GDB for example.
-
-Signed-off-by: Greg Kurz <groug@kaod.org>
-Message-Id: <20210201193305.136390-1-groug@kaod.org>
-Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
-Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
-Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
-Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
----
- tools/virtiofsd/passthrough_seccomp.c | 1 +
- 1 file changed, 1 insertion(+)
-
-diff --git a/tools/virtiofsd/passthrough_seccomp.c b/tools/virtiofsd/passthrough_seccomp.c
-index bb8ef5b17f..44d75e0e36 100644
---- a/tools/virtiofsd/passthrough_seccomp.c
-+++ b/tools/virtiofsd/passthrough_seccomp.c
-@@ -92,6 +92,7 @@ static const int syscall_whitelist[] = {
-     SCMP_SYS(renameat),
-     SCMP_SYS(renameat2),
-     SCMP_SYS(removexattr),
-+    SCMP_SYS(restart_syscall),
-     SCMP_SYS(rt_sigaction),
-     SCMP_SYS(rt_sigprocmask),
-     SCMP_SYS(rt_sigreturn),

debian/patches/extra/0009-block-iscsi-fix-double-free-on-BUSY-or-similar-statu.patch

@@ -0,0 +1,32 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Paolo Bonzini <pbonzini@redhat.com>
+Date: Tue, 10 Jan 2023 17:36:33 +0100
+Subject: [PATCH] block/iscsi: fix double-free on BUSY or similar statuses
+
+Commit 8c460269aa77 ("iscsi: base all handling of check condition on
+scsi_sense_to_errno", 2019-07-15) removed a "goto out" so that the
+same coroutine is re-entered twice; once from iscsi_co_generic_cb,
+once from the timer callback iscsi_retry_timer_expired.  This can
+cause a crash.
+
+Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1378
+Reported-by: Grzegorz Zdanowski <https://gitlab.com/kiler129>
+Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
+(cherry-picked from commit 5080152e2ef6cde7aa692e29880c62bd54acb750)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ block/iscsi.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/block/iscsi.c b/block/iscsi.c
+index 3ed4a50c0d..89cd032c3a 100644
+--- a/block/iscsi.c
++++ b/block/iscsi.c
+@@ -268,6 +268,7 @@ iscsi_co_generic_cb(struct iscsi_context *iscsi, int status,
+                 timer_mod(&iTask->retry_timer,
+                           qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + retry_time);
+                 iTask->do_retry = 1;
++                return;
+             } else if (status == SCSI_STATUS_CHECK_CONDITION) {
+                 int error = iscsi_translate_sense(&task->sense);
+                 if (error == EAGAIN) {

debian/patches/extra/0009-i386-acpi-restore-device-paths-for-pre-5.1-vms.patch

@@ -1,108 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Vitaly Cheptsov <cheptsov@ispras.ru>
-Date: Tue, 2 Mar 2021 09:21:10 -0500
-Subject: [PATCH] i386/acpi: restore device paths for pre-5.1 vms
-
-After fixing the _UID value for the primary PCI root bridge in
-af1b80ae it was discovered that this change updates Windows
-configuration in an incompatible way causing network configuration
-failure unless DHCP is used. More details provided on the list:
-
-https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg08484.html
-
-This change reverts the _UID update from 1 to 0 for q35 and i440fx
-VMs before version 5.2 to maintain the original behaviour when
-upgrading.
-
-Cc: qemu-stable@nongnu.org
-Cc: qemu-devel@nongnu.org
-Reported-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
-Suggested-by: Michael S. Tsirkin <mst@redhat.com>
-Signed-off-by: Vitaly Cheptsov <cheptsov@ispras.ru>
-Message-Id: <20210301195919.9333-1-cheptsov@ispras.ru>
-Tested-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
-Reviewed-by: Igor Mammedov <imammedo@redhat.com>
-Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
-Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
-Fixes: af1b80ae56c9 ("i386/acpi: fix inconsistent QEMU/OVMF device paths")
----
- hw/i386/acpi-build.c | 4 ++--
- hw/i386/pc_piix.c    | 2 ++
- hw/i386/pc_q35.c     | 2 ++
- include/hw/i386/pc.h | 1 +
- 4 files changed, 7 insertions(+), 2 deletions(-)
-
-diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
-index 1f5c211245..b5616582a5 100644
---- a/hw/i386/acpi-build.c
-+++ b/hw/i386/acpi-build.c
-@@ -1513,7 +1513,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
-         dev = aml_device("PCI0");
-         aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A03")));
-         aml_append(dev, aml_name_decl("_ADR", aml_int(0)));
--        aml_append(dev, aml_name_decl("_UID", aml_int(0)));
-+        aml_append(dev, aml_name_decl("_UID", aml_int(pcmc->pci_root_uid)));
-         aml_append(sb_scope, dev);
-         aml_append(dsdt, sb_scope);
- 
-@@ -1530,7 +1530,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
-         aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A08")));
-         aml_append(dev, aml_name_decl("_CID", aml_eisaid("PNP0A03")));
-         aml_append(dev, aml_name_decl("_ADR", aml_int(0)));
--        aml_append(dev, aml_name_decl("_UID", aml_int(0)));
-+        aml_append(dev, aml_name_decl("_UID", aml_int(pcmc->pci_root_uid)));
-         aml_append(dev, build_q35_osc_method());
-         aml_append(sb_scope, dev);
- 
-diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
-index 13d1628f13..2524c96216 100644
---- a/hw/i386/pc_piix.c
-+++ b/hw/i386/pc_piix.c
-@@ -417,6 +417,7 @@ static void pc_i440fx_machine_options(MachineClass *m)
- {
-     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
-     pcmc->default_nic_model = "e1000";
-+    pcmc->pci_root_uid = 0;
- 
-     m->family = "pc_piix";
-     m->desc = "Standard PC (i440FX + PIIX, 1996)";
-@@ -448,6 +449,7 @@ static void pc_i440fx_5_1_machine_options(MachineClass *m)
-     compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len);
-     compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len);
-     pcmc->kvmclock_create_always = false;
-+    pcmc->pci_root_uid = 1;
- }
- 
- DEFINE_I440FX_MACHINE(v5_1, "pc-i440fx-5.1", NULL,
-diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
-index a3f4959c43..c58dad5ae3 100644
---- a/hw/i386/pc_q35.c
-+++ b/hw/i386/pc_q35.c
-@@ -329,6 +329,7 @@ static void pc_q35_machine_options(MachineClass *m)
- {
-     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
-     pcmc->default_nic_model = "e1000e";
-+    pcmc->pci_root_uid = 0;
- 
-     m->family = "pc_q35";
-     m->desc = "Standard PC (Q35 + ICH9, 2009)";
-@@ -364,6 +365,7 @@ static void pc_q35_5_1_machine_options(MachineClass *m)
-     compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len);
-     compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len);
-     pcmc->kvmclock_create_always = false;
-+    pcmc->pci_root_uid = 1;
- }
- 
- DEFINE_Q35_MACHINE(v5_1, "pc-q35-5.1", NULL,
-diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
-index 911e460097..7f8e1a791f 100644
---- a/include/hw/i386/pc.h
-+++ b/include/hw/i386/pc.h
-@@ -99,6 +99,7 @@ struct PCMachineClass {
-     int legacy_acpi_table_size;
-     unsigned acpi_data_size;
-     bool do_not_add_smb_acpi;
-+    int pci_root_uid;
- 
-     /* SMBIOS compat: */
-     bool smbios_defaults;

debian/patches/extra/0010-monitor-qmp-fix-race-on-CHR_EVENT_CLOSED-without-OOB.patch

@@ -1,48 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Stefan Reiter <s.reiter@proxmox.com>
-Date: Mon, 22 Mar 2021 15:20:04 +0100
-Subject: [PATCH] monitor/qmp: fix race on CHR_EVENT_CLOSED without OOB
-
-The QMP dispatcher coroutine holds the qmp_queue_lock over a yield
-point, where it expects to be rescheduled from the main context. If a
-CHR_EVENT_CLOSED event is received just then, it can race and block the
-main thread on the mutex in monitor_qmp_cleanup_queue_and_resume.
-
-Calculate need_resume immediately after we pop a request from the queue,
-so that we can release the mutex before yielding.
-
-Suggested-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
-Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
----
- monitor/qmp.c | 11 ++++++-----
- 1 file changed, 6 insertions(+), 5 deletions(-)
-
-diff --git a/monitor/qmp.c b/monitor/qmp.c
-index 2e37d11bd3..2aff833f7a 100644
---- a/monitor/qmp.c
-+++ b/monitor/qmp.c
-@@ -252,6 +252,12 @@ void coroutine_fn monitor_qmp_dispatcher_co(void *data)
-             }
-         }
- 
-+        mon = req_obj->mon;
-+        /* qmp_oob_enabled() might change after "qmp_capabilities" */
-+        need_resume = !qmp_oob_enabled(mon) ||
-+            mon->qmp_requests->length == QMP_REQ_QUEUE_LEN_MAX - 1;
-+        qemu_mutex_unlock(&mon->qmp_queue_lock);
-+
-         if (qatomic_xchg(&qmp_dispatcher_co_busy, true) == true) {
-             /*
-              * Someone rescheduled us (probably because a new requests
-@@ -270,11 +276,6 @@ void coroutine_fn monitor_qmp_dispatcher_co(void *data)
-         aio_co_schedule(qemu_get_aio_context(), qmp_dispatcher_co);
-         qemu_coroutine_yield();
- 
--        mon = req_obj->mon;
--        /* qmp_oob_enabled() might change after "qmp_capabilities" */
--        need_resume = !qmp_oob_enabled(mon) ||
--            mon->qmp_requests->length == QMP_REQ_QUEUE_LEN_MAX - 1;
--        qemu_mutex_unlock(&mon->qmp_queue_lock);
-         if (req_obj->req) {
-             QDict *qdict = qobject_to(QDict, req_obj->req);
-             QObject *id = qdict ? qdict_get(qdict, "id") : NULL;

debian/patches/extra/0010-scsi-megasas-Internal-cdbs-have-16-byte-length.patch

@@ -0,0 +1,69 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Guenter Roeck <linux@roeck-us.net>
+Date: Tue, 28 Feb 2023 09:11:29 -0800
+Subject: [PATCH] scsi: megasas: Internal cdbs have 16-byte length
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Host drivers do not necessarily set cdb_len in megasas io commands.
+With commits 6d1511cea0 ("scsi: Reject commands if the CDB length
+exceeds buf_len") and fe9d8927e2 ("scsi: Add buf_len parameter to
+scsi_req_new()"), this results in failures to boot Linux from affected
+SCSI drives because cdb_len is set to 0 by the host driver.
+Set the cdb length to its actual size to solve the problem.
+
+Signed-off-by: Guenter Roeck <linux@roeck-us.net>
+Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
+(picked-up from https://lists.nongnu.org/archive/html/qemu-devel/2023-02/msg08653.html)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/scsi/megasas.c | 14 ++------------
+ 1 file changed, 2 insertions(+), 12 deletions(-)
+
+diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
+index 9cbbb16121..d624866bb6 100644
+--- a/hw/scsi/megasas.c
++++ b/hw/scsi/megasas.c
+@@ -1780,7 +1780,7 @@ static int megasas_handle_io(MegasasState *s, MegasasCmd *cmd, int frame_cmd)
+     uint8_t cdb[16];
+     int len;
+     struct SCSIDevice *sdev = NULL;
+-    int target_id, lun_id, cdb_len;
++    int target_id, lun_id;
+ 
+     lba_count = le32_to_cpu(cmd->frame->io.header.data_len);
+     lba_start_lo = le32_to_cpu(cmd->frame->io.lba_lo);
+@@ -1789,7 +1789,6 @@ static int megasas_handle_io(MegasasState *s, MegasasCmd *cmd, int frame_cmd)
+ 
+     target_id = cmd->frame->header.target_id;
+     lun_id = cmd->frame->header.lun_id;
+-    cdb_len = cmd->frame->header.cdb_len;
+ 
+     if (target_id < MFI_MAX_LD && lun_id == 0) {
+         sdev = scsi_device_find(&s->bus, 0, target_id, lun_id);
+@@ -1804,15 +1803,6 @@ static int megasas_handle_io(MegasasState *s, MegasasCmd *cmd, int frame_cmd)
+         return MFI_STAT_DEVICE_NOT_FOUND;
+     }
+ 
+-    if (cdb_len > 16) {
+-        trace_megasas_scsi_invalid_cdb_len(
+-            mfi_frame_desc(frame_cmd), 1, target_id, lun_id, cdb_len);
+-        megasas_write_sense(cmd, SENSE_CODE(INVALID_OPCODE));
+-        cmd->frame->header.scsi_status = CHECK_CONDITION;
+-        s->event_count++;
+-        return MFI_STAT_SCSI_DONE_WITH_ERROR;
+-    }
+-
+     cmd->iov_size = lba_count * sdev->blocksize;
+     if (megasas_map_sgl(s, cmd, &cmd->frame->io.sgl)) {
+         megasas_write_sense(cmd, SENSE_CODE(TARGET_FAILURE));
+@@ -1823,7 +1813,7 @@ static int megasas_handle_io(MegasasState *s, MegasasCmd *cmd, int frame_cmd)
+ 
+     megasas_encode_lba(cdb, lba_start, lba_count, is_write);
+     cmd->req = scsi_req_new(sdev, cmd->index,
+-                            lun_id, cdb, cdb_len, cmd);
++                            lun_id, cdb, sizeof(cdb), cmd);
+     if (!cmd->req) {
+         trace_megasas_scsi_req_alloc_failed(
+             mfi_frame_desc(frame_cmd), target_id, lun_id);

debian/patches/extra/0011-block-Fix-locking-in-qmp_block_resize.patch

@@ -1,42 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Kevin Wolf <kwolf@redhat.com>
-Date: Thu, 3 Dec 2020 18:23:10 +0100
-Subject: [PATCH] block: Fix locking in qmp_block_resize()
-
-The drain functions assume that we hold the AioContext lock of the
-drained block node. Make sure to actually take the lock.
-
-Cc: qemu-stable@nongnu.org
-Fixes: eb94b81a94bce112e6b206df846c1551aaf6cab6
-Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-Message-Id: <20201203172311.68232-3-kwolf@redhat.com>
-Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
-Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
----
- blockdev.c | 5 ++++-
- 1 file changed, 4 insertions(+), 1 deletion(-)
-
-diff --git a/blockdev.c b/blockdev.c
-index fe6fb5dc1d..9a86e9fb4b 100644
---- a/blockdev.c
-+++ b/blockdev.c
-@@ -2481,14 +2481,17 @@ void coroutine_fn qmp_block_resize(bool has_device, const char *device,
-         goto out;
-     }
- 
-+    bdrv_co_lock(bs);
-     bdrv_drained_begin(bs);
-+    bdrv_co_unlock(bs);
-+
-     old_ctx = bdrv_co_enter(bs);
-     blk_truncate(blk, size, false, PREALLOC_MODE_OFF, 0, errp);
-     bdrv_co_leave(bs, old_ctx);
--    bdrv_drained_end(bs);
- 
- out:
-     bdrv_co_lock(bs);
-+    bdrv_drained_end(bs);
-     blk_unref(blk);
-     bdrv_co_unlock(bs);
- }

debian/patches/extra/0011-ide-avoid-potential-deadlock-when-draining-during-tr.patch

@@ -0,0 +1,100 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Fiona Ebner <f.ebner@proxmox.com>
+Date: Tue, 7 Mar 2023 15:03:02 +0100
+Subject: [PATCH] ide: avoid potential deadlock when draining during trim
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+The deadlock can happen as follows:
+1. ide_issue_trim is called, and increments the in_flight counter.
+2. ide_issue_trim_cb calls blk_aio_pdiscard.
+3. Somebody else starts draining (e.g. backup to insert the cbw node).
+4. ide_issue_trim_cb is called as the completion callback for
+   blk_aio_pdiscard.
+5. ide_issue_trim_cb issues yet another blk_aio_pdiscard request.
+6. The request is added to the wait queue via blk_wait_while_drained,
+   because draining has been started.
+7. Nobody ever decrements the in_flight counter and draining can't
+   finish. This would be done by ide_trim_bh_cb, which is called after
+   ide_issue_trim_cb has issued its last request, but
+   ide_issue_trim_cb is not called anymore, because it's the
+   completion callback of blk_aio_pdiscard, which waits on draining.
+
+Quoting Hanna Czenczek:
+> The point of 7e5cdb345f was that we need any in-flight count to
+> accompany a set s->bus->dma->aiocb. While blk_aio_pdiscard() is
+> happening, we don’t necessarily need another count. But we do need
+> it while there is no blk_aio_pdiscard().
+> ide_issue_trim_cb() returns in two cases (and, recursively through
+> its callers, leaves s->bus->dma->aiocb set):
+> 1. After calling blk_aio_pdiscard(), which will keep an in-flight
+>    count,
+> 2. After calling replay_bh_schedule_event() (i.e.
+>    qemu_bh_schedule()), which does not keep an in-flight count.
+
+Thus, even after moving the blk_inc_in_flight to above the
+replay_bh_schedule_event call, the invariant "ide_issue_trim_cb
+returns with an accompanying in-flight count" is still satisfied.
+
+However, the issue 7e5cdb345f fixed for canceling resurfaces, because
+ide_cancel_dma_sync assumes that it just needs to drain once. But now
+the in_flight count is not consistently > 0 during the trim operation.
+So, change it to drain until !s->bus->dma->aiocb, which means that the
+operation finished (s->bus->dma->aiocb is cleared by ide_set_inactive
+via the ide_dma_cb when the end of the transfer is reached).
+
+Discussion here:
+https://lists.nongnu.org/archive/html/qemu-devel/2023-03/msg02506.html
+
+Fixes: 7e5cdb345f ("ide: Increment BB in-flight counter for TRIM BH")
+Suggested-by: Hanna Czenczek <hreitz@redhat.com>
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/ide/core.c | 12 ++++++------
+ 1 file changed, 6 insertions(+), 6 deletions(-)
+
+diff --git a/hw/ide/core.c b/hw/ide/core.c
+index 39afdc0006..b67c1885a8 100644
+--- a/hw/ide/core.c
++++ b/hw/ide/core.c
+@@ -443,7 +443,7 @@ static void ide_trim_bh_cb(void *opaque)
+     iocb->bh = NULL;
+     qemu_aio_unref(iocb);
+ 
+-    /* Paired with an increment in ide_issue_trim() */
++    /* Paired with an increment in ide_issue_trim_cb() */
+     blk_dec_in_flight(blk);
+ }
+ 
+@@ -503,6 +503,8 @@ static void ide_issue_trim_cb(void *opaque, int ret)
+ done:
+     iocb->aiocb = NULL;
+     if (iocb->bh) {
++        /* Paired with a decrement in ide_trim_bh_cb() */
++        blk_inc_in_flight(s->blk);
+         replay_bh_schedule_event(iocb->bh);
+     }
+ }
+@@ -514,9 +516,6 @@ BlockAIOCB *ide_issue_trim(
+     IDEState *s = opaque;
+     TrimAIOCB *iocb;
+ 
+-    /* Paired with a decrement in ide_trim_bh_cb() */
+-    blk_inc_in_flight(s->blk);
+-
+     iocb = blk_aio_get(&trim_aiocb_info, s->blk, cb, cb_opaque);
+     iocb->s = s;
+     iocb->bh = qemu_bh_new(ide_trim_bh_cb, iocb);
+@@ -739,8 +738,9 @@ void ide_cancel_dma_sync(IDEState *s)
+      */
+     if (s->bus->dma->aiocb) {
+         trace_ide_cancel_dma_sync_remaining();
+-        blk_drain(s->blk);
+-        assert(s->bus->dma->aiocb == NULL);
++        while (s->bus->dma->aiocb) {
++            blk_drain(s->blk);
++        }
+     }
+ }
+ 

debian/patches/extra/0012-block-Fix-deadlock-in-bdrv_co_yield_to_drain.patch

@@ -1,118 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Kevin Wolf <kwolf@redhat.com>
-Date: Thu, 3 Dec 2020 18:23:11 +0100
-Subject: [PATCH] block: Fix deadlock in bdrv_co_yield_to_drain()
-
-If bdrv_co_yield_to_drain() is called for draining a block node that
-runs in a different AioContext, it keeps that AioContext locked while it
-yields and schedules a BH in the AioContext to do the actual drain.
-
-As long as executing the BH is the very next thing that the event loop
-of the node's AioContext does, this actually happens to work, but when
-it tries to execute something else that wants to take the AioContext
-lock, it will deadlock. (In the bug report, this other thing is a
-virtio-scsi device running virtio_scsi_data_plane_handle_cmd().)
-
-Instead, always drop the AioContext lock across the yield and reacquire
-it only when the coroutine is reentered. The BH needs to unconditionally
-take the lock for itself now.
-
-This fixes the 'block_resize' QMP command on a block node that runs in
-an iothread.
-
-Cc: qemu-stable@nongnu.org
-Fixes: eb94b81a94bce112e6b206df846c1551aaf6cab6
-Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1903511
-Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-Message-Id: <20201203172311.68232-4-kwolf@redhat.com>
-Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
-Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
----
- block/io.c | 41 ++++++++++++++++++++++++-----------------
- 1 file changed, 24 insertions(+), 17 deletions(-)
-
-diff --git a/block/io.c b/block/io.c
-index ec5e152bb7..a9f56a9ab1 100644
---- a/block/io.c
-+++ b/block/io.c
-@@ -306,17 +306,7 @@ static void bdrv_co_drain_bh_cb(void *opaque)
- 
-     if (bs) {
-         AioContext *ctx = bdrv_get_aio_context(bs);
--        AioContext *co_ctx = qemu_coroutine_get_aio_context(co);
--
--        /*
--         * When the coroutine yielded, the lock for its home context was
--         * released, so we need to re-acquire it here. If it explicitly
--         * acquired a different context, the lock is still held and we don't
--         * want to lock it a second time (or AIO_WAIT_WHILE() would hang).
--         */
--        if (ctx == co_ctx) {
--            aio_context_acquire(ctx);
--        }
-+        aio_context_acquire(ctx);
-         bdrv_dec_in_flight(bs);
-         if (data->begin) {
-             assert(!data->drained_end_counter);
-@@ -328,9 +318,7 @@ static void bdrv_co_drain_bh_cb(void *opaque)
-                                 data->ignore_bds_parents,
-                                 data->drained_end_counter);
-         }
--        if (ctx == co_ctx) {
--            aio_context_release(ctx);
--        }
-+        aio_context_release(ctx);
-     } else {
-         assert(data->begin);
-         bdrv_drain_all_begin();
-@@ -348,13 +336,16 @@ static void coroutine_fn bdrv_co_yield_to_drain(BlockDriverState *bs,
-                                                 int *drained_end_counter)
- {
-     BdrvCoDrainData data;
-+    Coroutine *self = qemu_coroutine_self();
-+    AioContext *ctx = bdrv_get_aio_context(bs);
-+    AioContext *co_ctx = qemu_coroutine_get_aio_context(self);
- 
-     /* Calling bdrv_drain() from a BH ensures the current coroutine yields and
-      * other coroutines run if they were queued by aio_co_enter(). */
- 
-     assert(qemu_in_coroutine());
-     data = (BdrvCoDrainData) {
--        .co = qemu_coroutine_self(),
-+        .co = self,
-         .bs = bs,
-         .done = false,
-         .begin = begin,
-@@ -368,13 +359,29 @@ static void coroutine_fn bdrv_co_yield_to_drain(BlockDriverState *bs,
-     if (bs) {
-         bdrv_inc_in_flight(bs);
-     }
--    replay_bh_schedule_oneshot_event(bdrv_get_aio_context(bs),
--                                     bdrv_co_drain_bh_cb, &data);
-+
-+    /*
-+     * Temporarily drop the lock across yield or we would get deadlocks.
-+     * bdrv_co_drain_bh_cb() reaquires the lock as needed.
-+     *
-+     * When we yield below, the lock for the current context will be
-+     * released, so if this is actually the lock that protects bs, don't drop
-+     * it a second time.
-+     */
-+    if (ctx != co_ctx) {
-+        aio_context_release(ctx);
-+    }
-+    replay_bh_schedule_oneshot_event(ctx, bdrv_co_drain_bh_cb, &data);
- 
-     qemu_coroutine_yield();
-     /* If we are resumed from some other event (such as an aio completion or a
-      * timer callback), it is a bug in the caller that should be fixed. */
-     assert(data.done);
-+
-+    /* Reaquire the AioContext of bs if we dropped it */
-+    if (ctx != co_ctx) {
-+        aio_context_acquire(ctx);
-+    }
- }
- 
- void bdrv_do_drained_begin_quiesce(BlockDriverState *bs,

debian/patches/extra/0012-hw-nvme-fix-missing-endian-conversions-for-doorbell-.patch

@@ -0,0 +1,67 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Klaus Jensen <k.jensen@samsung.com>
+Date: Wed, 8 Mar 2023 19:57:12 +0300
+Subject: [PATCH] hw/nvme: fix missing endian conversions for doorbell buffers
+
+The eventidx and doorbell value are not handling endianness correctly.
+Fix this.
+
+Fixes: 3f7fe8de3d49 ("hw/nvme: Implement shadow doorbell buffer support")
+Cc: qemu-stable@nongnu.org
+Reported-by: Guenter Roeck <linux@roeck-us.net>
+Reviewed-by: Keith Busch <kbusch@kernel.org>
+Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
+(cherry picked from commit 2fda0726e5149e032acfa5fe442db56cd6433c4c)
+Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
+Conflicts: hw/nvme/ctrl.c
+(picked up from qemu-stable mailing list)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/nvme/ctrl.c | 22 ++++++++++++++++------
+ 1 file changed, 16 insertions(+), 6 deletions(-)
+
+diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
+index e54276dc1d..98d8e34109 100644
+--- a/hw/nvme/ctrl.c
++++ b/hw/nvme/ctrl.c
+@@ -1333,8 +1333,12 @@ static inline void nvme_blk_write(BlockBackend *blk, int64_t offset,
+ 
+ static void nvme_update_cq_head(NvmeCQueue *cq)
+ {
+-    pci_dma_read(&cq->ctrl->parent_obj, cq->db_addr, &cq->head,
+-            sizeof(cq->head));
++    uint32_t v;
++
++    pci_dma_read(&cq->ctrl->parent_obj, cq->db_addr, &v, sizeof(v));
++
++    cq->head = le32_to_cpu(v);
++
+     trace_pci_nvme_shadow_doorbell_cq(cq->cqid, cq->head);
+ }
+ 
+@@ -6141,15 +6145,21 @@ static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeRequest *req)
+ 
+ static void nvme_update_sq_eventidx(const NvmeSQueue *sq)
+ {
+-    pci_dma_write(&sq->ctrl->parent_obj, sq->ei_addr, &sq->tail,
+-                  sizeof(sq->tail));
++    uint32_t v = cpu_to_le32(sq->tail);
++
++    pci_dma_write(&sq->ctrl->parent_obj, sq->ei_addr, &v, sizeof(v));
++
+     trace_pci_nvme_eventidx_sq(sq->sqid, sq->tail);
+ }
+ 
+ static void nvme_update_sq_tail(NvmeSQueue *sq)
+ {
+-    pci_dma_read(&sq->ctrl->parent_obj, sq->db_addr, &sq->tail,
+-                 sizeof(sq->tail));
++    uint32_t v;
++
++    pci_dma_read(&sq->ctrl->parent_obj, sq->db_addr, &v, sizeof(v));
++
++    sq->tail = le32_to_cpu(v);
++
+     trace_pci_nvme_shadow_doorbell_sq(sq->sqid, sq->tail);
+ }
+ 

debian/patches/extra/0013-hw-smbios-fix-field-corruption-in-type-4-table.patch

@@ -0,0 +1,50 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Julia Suvorova <jusual@redhat.com>
+Date: Thu, 23 Feb 2023 13:57:47 +0100
+Subject: [PATCH] hw/smbios: fix field corruption in type 4 table
+
+Since table type 4 of SMBIOS version 2.6 is shorter than 3.0, the
+strings which follow immediately after the struct fields have been
+overwritten by unconditional filling of later fields such as core_count2.
+Make these fields dependent on the SMBIOS version.
+
+Fixes: 05e27d74c7 ("hw/smbios: add core_count2 to smbios table type 4")
+Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2169904
+
+Signed-off-by: Julia Suvorova <jusual@redhat.com>
+Message-Id: <20230223125747.254914-1-jusual@redhat.com>
+Reviewed-by: Igor Mammedov <imammedo@redhat.com>
+Reviewed-by: Ani Sinha <ani@anisinha.ca>
+Reviewed-by: Igor Mammedov <imammedo@redhat.com>
+Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
+Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
+(cherry-picked from commit 60d09b8dc7dd4256d664ad680795cb1327805b2b)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/smbios/smbios.c | 8 +++++---
+ 1 file changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c
+index b4243de735..66a020999b 100644
+--- a/hw/smbios/smbios.c
++++ b/hw/smbios/smbios.c
+@@ -749,14 +749,16 @@ static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
+     t->core_count = (ms->smp.cores > 255) ? 0xFF : ms->smp.cores;
+     t->core_enabled = t->core_count;
+ 
+-    t->core_count2 = t->core_enabled2 = cpu_to_le16(ms->smp.cores);
+-
+     t->thread_count = (ms->smp.threads > 255) ? 0xFF : ms->smp.threads;
+-    t->thread_count2 = cpu_to_le16(ms->smp.threads);
+ 
+     t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
+     t->processor_family2 = cpu_to_le16(0x01); /* Other */
+ 
++    if (tbl_len == SMBIOS_TYPE_4_LEN_V30) {
++        t->core_count2 = t->core_enabled2 = cpu_to_le16(ms->smp.cores);
++        t->thread_count2 = cpu_to_le16(ms->smp.threads);
++    }
++
+     SMBIOS_BUILD_TABLE_POST;
+     smbios_type4_count++;
+ }

debian/patches/extra/0014-virtio-rng-pci-fix-transitional-migration-compat-for.patch

@@ -0,0 +1,35 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
+Date: Tue, 7 Feb 2023 17:49:44 +0000
+Subject: [PATCH] virtio-rng-pci: fix transitional migration compat for vectors
+
+In bad9c5a516 ("virtio-rng-pci: fix migration compat for vectors") I
+fixed the virtio-rng-pci migration compatibility, but it was discovered
+that we also need to fix the other aliases of the device for the
+transitional cases.
+
+Fixes: 9ea02e8f1 ('virtio-rng-pci: Allow setting nvectors, so we can use MSI-X')
+bz: https://bugzilla.redhat.com/show_bug.cgi?id=2162569
+Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
+Message-Id: <20230207174944.138255-1-dgilbert@redhat.com>
+Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
+Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
+(cherry-picked from commit 62bdb8871512076841f4464f7e26efdc7783f78d)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/core/machine.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/hw/core/machine.c b/hw/core/machine.c
+index cd84579591..4297315984 100644
+--- a/hw/core/machine.c
++++ b/hw/core/machine.c
+@@ -43,6 +43,8 @@
+ GlobalProperty hw_compat_7_1[] = {
+     { "virtio-device", "queue_reset", "false" },
+     { "virtio-rng-pci", "vectors", "0" },
++    { "virtio-rng-pci-transitional", "vectors", "0" },
++    { "virtio-rng-pci-non-transitional", "vectors", "0" },
+ };
+ const size_t hw_compat_7_1_len = G_N_ELEMENTS(hw_compat_7_1);
+ 

debian/patches/extra/0015-hw-timer-hpet-Fix-expiration-time-overflow.patch

@@ -0,0 +1,80 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Akihiko Odaki <akihiko.odaki@daynix.com>
+Date: Tue, 31 Jan 2023 12:00:37 +0900
+Subject: [PATCH] hw/timer/hpet: Fix expiration time overflow
+
+The expiration time provided for timer_mod() can overflow if a
+ridiculously large value is set to the comparator register. The
+resulting value can represent a past time after rounded, forcing the
+timer to fire immediately. If the timer is configured as periodic, it
+will rearm the timer again, and form an endless loop.
+
+Check if the expiration value will overflow, and if it will, stop the
+timer instead of rearming the timer with the overflowed time.
+
+This bug was found by Alexander Bulekov when fuzzing igb, a new
+network device emulation:
+https://patchew.org/QEMU/20230129053316.1071513-1-alxndr@bu.edu/
+
+The fixed test case is:
+fuzz/crash_2d7036941dcda1ad4380bb8a9174ed0c949bcefd
+
+Fixes: 16b29ae180 ("Add HPET emulation to qemu (Beth Kon)")
+Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
+Acked-by: Michael S. Tsirkin <mst@redhat.com>
+Message-Id: <20230131030037.18856-1-akihiko.odaki@daynix.com>
+Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
+Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
+(cherry-picked from commit 37d2bcbc2a4e9c2e9061bec72a32c7e49b9f81ec)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/timer/hpet.c | 19 +++++++++++++------
+ 1 file changed, 13 insertions(+), 6 deletions(-)
+
+diff --git a/hw/timer/hpet.c b/hw/timer/hpet.c
+index 9520471be2..5f88ffdef8 100644
+--- a/hw/timer/hpet.c
++++ b/hw/timer/hpet.c
+@@ -352,6 +352,16 @@ static const VMStateDescription vmstate_hpet = {
+     }
+ };
+ 
++static void hpet_arm(HPETTimer *t, uint64_t ticks)
++{
++    if (ticks < ns_to_ticks(INT64_MAX / 2)) {
++        timer_mod(t->qemu_timer,
++                  qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + ticks_to_ns(ticks));
++    } else {
++        timer_del(t->qemu_timer);
++    }
++}
++
+ /*
+  * timer expiration callback
+  */
+@@ -374,13 +384,11 @@ static void hpet_timer(void *opaque)
+             }
+         }
+         diff = hpet_calculate_diff(t, cur_tick);
+-        timer_mod(t->qemu_timer,
+-                       qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + (int64_t)ticks_to_ns(diff));
++        hpet_arm(t, diff);
+     } else if (t->config & HPET_TN_32BIT && !timer_is_periodic(t)) {
+         if (t->wrap_flag) {
+             diff = hpet_calculate_diff(t, cur_tick);
+-            timer_mod(t->qemu_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
+-                           (int64_t)ticks_to_ns(diff));
++            hpet_arm(t, diff);
+             t->wrap_flag = 0;
+         }
+     }
+@@ -407,8 +415,7 @@ static void hpet_set_timer(HPETTimer *t)
+             t->wrap_flag = 1;
+         }
+     }
+-    timer_mod(t->qemu_timer,
+-                   qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + (int64_t)ticks_to_ns(diff));
++    hpet_arm(t, diff);
+ }
+ 
+ static void hpet_del_timer(HPETTimer *t)

debian/patches/extra/0016-vdpa-stop-all-svq-on-device-deletion.patch

@@ -0,0 +1,71 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= <eperezma@redhat.com>
+Date: Thu, 9 Feb 2023 18:00:04 +0100
+Subject: [PATCH] vdpa: stop all svq on device deletion
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Not stopping them leave the device in a bad state when virtio-net
+fronted device is unplugged with device_del monitor command.
+
+This is not triggable in regular poweroff or qemu forces shutdown
+because cleanup is called right after vhost_vdpa_dev_start(false).  But
+devices hot unplug does not call vdpa device cleanups.  This lead to all
+the vhost_vdpa devices without stop the SVQ but the last.
+
+Fix it and clean the code, making it symmetric with
+vhost_vdpa_svqs_start.
+
+Fixes: dff4426fa656 ("vhost: Add Shadow VirtQueue kick forwarding capabilities")
+Reported-by: Lei Yang <leiyang@redhat.com>
+Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
+Message-Id: <20230209170004.899472-1-eperezma@redhat.com>
+Tested-by: Laurent Vivier <lvivier@redhat.com>
+Acked-by: Jason Wang <jasowang@redhat.com>
+(cherry-picked from commit 2e1a9de96b487cf818a22d681cad8d3f5d18dcca)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/virtio/vhost-vdpa.c | 17 ++---------------
+ 1 file changed, 2 insertions(+), 15 deletions(-)
+
+diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
+index 7468e44b87..03c78d25d8 100644
+--- a/hw/virtio/vhost-vdpa.c
++++ b/hw/virtio/vhost-vdpa.c
+@@ -707,26 +707,11 @@ static int vhost_vdpa_get_device_id(struct vhost_dev *dev,
+     return ret;
+ }
+ 
+-static void vhost_vdpa_reset_svq(struct vhost_vdpa *v)
+-{
+-    if (!v->shadow_vqs_enabled) {
+-        return;
+-    }
+-
+-    for (unsigned i = 0; i < v->shadow_vqs->len; ++i) {
+-        VhostShadowVirtqueue *svq = g_ptr_array_index(v->shadow_vqs, i);
+-        vhost_svq_stop(svq);
+-    }
+-}
+-
+ static int vhost_vdpa_reset_device(struct vhost_dev *dev)
+ {
+-    struct vhost_vdpa *v = dev->opaque;
+     int ret;
+     uint8_t status = 0;
+ 
+-    vhost_vdpa_reset_svq(v);
+-
+     ret = vhost_vdpa_call(dev, VHOST_VDPA_SET_STATUS, &status);
+     trace_vhost_vdpa_reset_device(dev, status);
+     return ret;
+@@ -1088,6 +1073,8 @@ static void vhost_vdpa_svqs_stop(struct vhost_dev *dev)
+ 
+     for (unsigned i = 0; i < v->shadow_vqs->len; ++i) {
+         VhostShadowVirtqueue *svq = g_ptr_array_index(v->shadow_vqs, i);
++
++        vhost_svq_stop(svq);
+         vhost_vdpa_svq_unmap_rings(dev, svq);
+     }
+ }

debian/patches/extra/0017-vhost-avoid-a-potential-use-of-an-uninitialized-vari.patch

@@ -0,0 +1,132 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Carlos=20L=C3=B3pez?= <clopez@suse.de>
+Date: Mon, 13 Feb 2023 09:57:47 +0100
+Subject: [PATCH] vhost: avoid a potential use of an uninitialized variable in
+ vhost_svq_poll()
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+In vhost_svq_poll(), if vhost_svq_get_buf() fails due to a device
+providing invalid descriptors, len is left uninitialized and returned
+to the caller, potentally leaking stack data or causing undefined
+behavior.
+
+Fix this by initializing len to 0.
+
+Found with GCC 13 and -fanalyzer (abridged):
+
+../hw/virtio/vhost-shadow-virtqueue.c: In function ‘vhost_svq_poll’:
+../hw/virtio/vhost-shadow-virtqueue.c:538:12: warning: use of uninitialized value ‘len’ [CWE-457] [-Wanalyzer-use-of-uninitialized-value]
+  538 |     return len;
+      |            ^~~
+  ‘vhost_svq_poll’: events 1-4
+    |
+    |  522 | size_t vhost_svq_poll(VhostShadowVirtqueue *svq)
+    |      |        ^~~~~~~~~~~~~~
+    |      |        |
+    |      |        (1) entry to ‘vhost_svq_poll’
+    |......
+    |  525 |     uint32_t len;
+    |      |              ~~~
+    |      |              |
+    |      |              (2) region created on stack here
+    |      |              (3) capacity: 4 bytes
+    |......
+    |  528 |         if (vhost_svq_more_used(svq)) {
+    |      |             ~
+    |      |             |
+    |      |             (4) inlined call to ‘vhost_svq_more_used’ from ‘vhost_svq_poll’
+
+    (...)
+
+    |  528 |         if (vhost_svq_more_used(svq)) {
+    |      |            ^~~~~~~~~~~~~~~~~~~~~~~~~
+    |      |            ||
+    |      |            |(8) ...to here
+    |      |            (7) following ‘true’ branch...
+    |......
+    |  537 |     vhost_svq_get_buf(svq, &len);
+    |      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+    |      |     |
+    |      |     (9) calling ‘vhost_svq_get_buf’ from ‘vhost_svq_poll’
+    |
+    +--> ‘vhost_svq_get_buf’: events 10-11
+           |
+           |  416 | static VirtQueueElement *vhost_svq_get_buf(VhostShadowVirtqueue *svq,
+           |      |                          ^~~~~~~~~~~~~~~~~
+           |      |                          |
+           |      |                          (10) entry to ‘vhost_svq_get_buf’
+           |......
+           |  423 |     if (!vhost_svq_more_used(svq)) {
+           |      |          ~
+           |      |          |
+           |      |          (11) inlined call to ‘vhost_svq_more_used’ from ‘vhost_svq_get_buf’
+           |
+
+           (...)
+
+           |
+         ‘vhost_svq_get_buf’: event 14
+           |
+           |  423 |     if (!vhost_svq_more_used(svq)) {
+           |      |        ^
+           |      |        |
+           |      |        (14) following ‘false’ branch...
+           |
+         ‘vhost_svq_get_buf’: event 15
+           |
+           |cc1:
+           | (15): ...to here
+           |
+    <------+
+    |
+  ‘vhost_svq_poll’: events 16-17
+    |
+    |  537 |     vhost_svq_get_buf(svq, &len);
+    |      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
+    |      |     |
+    |      |     (16) returning to ‘vhost_svq_poll’ from ‘vhost_svq_get_buf’
+    |  538 |     return len;
+    |      |            ~~~
+    |      |            |
+    |      |            (17) use of uninitialized value ‘len’ here
+
+Note by  Laurent Vivier <lvivier@redhat.com>:
+
+    The return value is only used to detect an error:
+
+    vhost_svq_poll
+        vhost_vdpa_net_cvq_add
+            vhost_vdpa_net_load_cmd
+                vhost_vdpa_net_load_mac
+                  -> a negative return is only used to detect error
+                vhost_vdpa_net_load_mq
+                  -> a negative return is only used to detect error
+            vhost_vdpa_net_handle_ctrl_avail
+              -> a negative return is only used to detect error
+
+Fixes: d368c0b052ad ("vhost: Do not depend on !NULL VirtQueueElement on vhost_svq_flush")
+Signed-off-by: Carlos López <clopez@suse.de>
+Message-Id: <20230213085747.19956-1-clopez@suse.de>
+Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
+Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
+(cherry-picked from commit e4dd39c699b7d63a06f686ec06ded8adbee989c1)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/virtio/vhost-shadow-virtqueue.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/hw/virtio/vhost-shadow-virtqueue.c b/hw/virtio/vhost-shadow-virtqueue.c
+index 5bd14cad96..a723073747 100644
+--- a/hw/virtio/vhost-shadow-virtqueue.c
++++ b/hw/virtio/vhost-shadow-virtqueue.c
+@@ -522,7 +522,7 @@ static void vhost_svq_flush(VhostShadowVirtqueue *svq,
+ size_t vhost_svq_poll(VhostShadowVirtqueue *svq)
+ {
+     int64_t start_us = g_get_monotonic_time();
+-    uint32_t len;
++    uint32_t len = 0;
+ 
+     do {
+         if (vhost_svq_more_used(svq)) {

debian/patches/extra/0018-chardev-char-socket-set-s-listener-NULL-in-char_sock.patch

@@ -0,0 +1,70 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Yajun Wu <yajunw@nvidia.com>
+Date: Tue, 14 Feb 2023 10:14:30 +0800
+Subject: [PATCH] chardev/char-socket: set s->listener = NULL in
+ char_socket_finalize
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+After live migration with virtio block device, qemu crash at:
+
+	#0  0x000055914f46f795 in object_dynamic_cast_assert (obj=0x559151b7b090, typename=0x55914f80fbc4 "qio-channel", file=0x55914f80fb90 "/images/testvfe/sw/qemu.gerrit/include/io/channel.h", line=30, func=0x55914f80fcb8 <__func__.17257> "QIO_CHANNEL") at ../qom/object.c:872
+	#1  0x000055914f480d68 in QIO_CHANNEL (obj=0x559151b7b090) at /images/testvfe/sw/qemu.gerrit/include/io/channel.h:29
+	#2  0x000055914f4812f8 in qio_net_listener_set_client_func_full (listener=0x559151b7a720, func=0x55914f580b97 <tcp_chr_accept>, data=0x5591519f4ea0, notify=0x0, context=0x0) at ../io/net-listener.c:166
+	#3  0x000055914f580059 in tcp_chr_update_read_handler (chr=0x5591519f4ea0) at ../chardev/char-socket.c:637
+	#4  0x000055914f583dca in qemu_chr_be_update_read_handlers (s=0x5591519f4ea0, context=0x0) at ../chardev/char.c:226
+	#5  0x000055914f57b7c9 in qemu_chr_fe_set_handlers_full (b=0x559152bf23a0, fd_can_read=0x0, fd_read=0x0, fd_event=0x0, be_change=0x0, opaque=0x0, context=0x0, set_open=false, sync_state=true) at ../chardev/char-fe.c:279
+	#6  0x000055914f57b86d in qemu_chr_fe_set_handlers (b=0x559152bf23a0, fd_can_read=0x0, fd_read=0x0, fd_event=0x0, be_change=0x0, opaque=0x0, context=0x0, set_open=false) at ../chardev/char-fe.c:304
+	#7  0x000055914f378caf in vhost_user_async_close (d=0x559152bf21a0, chardev=0x559152bf23a0, vhost=0x559152bf2420, cb=0x55914f2fb8c1 <vhost_user_blk_disconnect>) at ../hw/virtio/vhost-user.c:2725
+	#8  0x000055914f2fba40 in vhost_user_blk_event (opaque=0x559152bf21a0, event=CHR_EVENT_CLOSED) at ../hw/block/vhost-user-blk.c:395
+	#9  0x000055914f58388c in chr_be_event (s=0x5591519f4ea0, event=CHR_EVENT_CLOSED) at ../chardev/char.c:61
+	#10 0x000055914f583905 in qemu_chr_be_event (s=0x5591519f4ea0, event=CHR_EVENT_CLOSED) at ../chardev/char.c:81
+	#11 0x000055914f581275 in char_socket_finalize (obj=0x5591519f4ea0) at ../chardev/char-socket.c:1083
+	#12 0x000055914f46f073 in object_deinit (obj=0x5591519f4ea0, type=0x5591519055c0) at ../qom/object.c:680
+	#13 0x000055914f46f0e5 in object_finalize (data=0x5591519f4ea0) at ../qom/object.c:694
+	#14 0x000055914f46ff06 in object_unref (objptr=0x5591519f4ea0) at ../qom/object.c:1202
+	#15 0x000055914f4715a4 in object_finalize_child_property (obj=0x559151b76c50, name=0x559151b7b250 "char3", opaque=0x5591519f4ea0) at ../qom/object.c:1747
+	#16 0x000055914f46ee86 in object_property_del_all (obj=0x559151b76c50) at ../qom/object.c:632
+	#17 0x000055914f46f0d2 in object_finalize (data=0x559151b76c50) at ../qom/object.c:693
+	#18 0x000055914f46ff06 in object_unref (objptr=0x559151b76c50) at ../qom/object.c:1202
+	#19 0x000055914f4715a4 in object_finalize_child_property (obj=0x559151b6b560, name=0x559151b76630 "chardevs", opaque=0x559151b76c50) at ../qom/object.c:1747
+	#20 0x000055914f46ef67 in object_property_del_child (obj=0x559151b6b560, child=0x559151b76c50) at ../qom/object.c:654
+	#21 0x000055914f46f042 in object_unparent (obj=0x559151b76c50) at ../qom/object.c:673
+	#22 0x000055914f58632a in qemu_chr_cleanup () at ../chardev/char.c:1189
+	#23 0x000055914f16c66c in qemu_cleanup () at ../softmmu/runstate.c:830
+	#24 0x000055914eee7b9e in qemu_default_main () at ../softmmu/main.c:38
+	#25 0x000055914eee7bcc in main (argc=86, argv=0x7ffc97cb8d88) at ../softmmu/main.c:48
+
+In char_socket_finalize after s->listener freed, event callback function
+vhost_user_blk_event will be called to handle CHR_EVENT_CLOSED.
+vhost_user_blk_event is calling qio_net_listener_set_client_func_full which
+is still using s->listener.
+
+Setting s->listener = NULL after object_unref(OBJECT(s->listener)) can
+solve this issue.
+
+Signed-off-by: Yajun Wu <yajunw@nvidia.com>
+Acked-by: Jiri Pirko <jiri@nvidia.com>
+Message-Id: <20230214021430.3638579-1-yajunw@nvidia.com>
+Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
+Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
+Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
+(cherry-picked from commit b8a7f51f59e28d5a8e0c07ed3919cc9695560ed2)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ chardev/char-socket.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/chardev/char-socket.c b/chardev/char-socket.c
+index 879564aa8a..b00efb1482 100644
+--- a/chardev/char-socket.c
++++ b/chardev/char-socket.c
+@@ -1065,6 +1065,7 @@ static void char_socket_finalize(Object *obj)
+         qio_net_listener_set_client_func_full(s->listener, NULL, NULL,
+                                               NULL, chr->gcontext);
+         object_unref(OBJECT(s->listener));
++        s->listener = NULL;
+     }
+     if (s->tls_creds) {
+         object_unref(OBJECT(s->tls_creds));

debian/patches/extra/0019-intel-iommu-fail-MAP-notifier-without-caching-mode.patch

@@ -0,0 +1,41 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jason Wang <jasowang@redhat.com>
+Date: Thu, 23 Feb 2023 14:59:20 +0800
+Subject: [PATCH] intel-iommu: fail MAP notifier without caching mode
+
+Without caching mode, MAP notifier won't work correctly since guest
+won't send IOTLB update event when it establishes new mappings in the
+I/O page tables. Let's fail the IOMMU notifiers early instead of
+misbehaving silently.
+
+Reviewed-by: Eric Auger <eric.auger@redhat.com>
+Tested-by: Viktor Prutyanov <viktor@daynix.com>
+Signed-off-by: Jason Wang <jasowang@redhat.com>
+Message-Id: <20230223065924.42503-2-jasowang@redhat.com>
+Reviewed-by: Peter Xu <peterx@redhat.com>
+Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
+Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
+(cherry-picked from commit b8d78277c091f26fdd64f239bc8bb7e55d74cecf)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/i386/intel_iommu.c | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
+index a08ee85edf..9143376677 100644
+--- a/hw/i386/intel_iommu.c
++++ b/hw/i386/intel_iommu.c
+@@ -3186,6 +3186,13 @@ static int vtd_iommu_notify_flag_changed(IOMMUMemoryRegion *iommu,
+                          "Snoop Control with vhost or VFIO is not supported");
+         return -ENOTSUP;
+     }
++    if (!s->caching_mode && (new & IOMMU_NOTIFIER_MAP)) {
++        error_setg_errno(errp, ENOTSUP,
++                         "device %02x.%02x.%x requires caching mode",
++                         pci_bus_num(vtd_as->bus), PCI_SLOT(vtd_as->devfn),
++                         PCI_FUNC(vtd_as->devfn));
++        return -ENOTSUP;
++    }
+ 
+     /* Update per-address-space notifier flags */
+     vtd_as->notifier_flags = new;

debian/patches/extra/0020-intel-iommu-fail-DEVIOTLB_UNMAP-without-dt-mode.patch

@@ -0,0 +1,50 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jason Wang <jasowang@redhat.com>
+Date: Thu, 23 Feb 2023 14:59:21 +0800
+Subject: [PATCH] intel-iommu: fail DEVIOTLB_UNMAP without dt mode
+
+Without dt mode, device IOTLB notifier won't work since guest won't
+send device IOTLB invalidation descriptor in this case. Let's fail
+early instead of misbehaving silently.
+
+Reviewed-by: Laurent Vivier <lvivier@redhat.com>
+Tested-by: Laurent Vivier <lvivier@redhat.com>
+Tested-by: Viktor Prutyanov <viktor@daynix.com>
+Buglink: https://bugzilla.redhat.com/2156876
+Signed-off-by: Jason Wang <jasowang@redhat.com>
+Message-Id: <20230223065924.42503-3-jasowang@redhat.com>
+Reviewed-by: Peter Xu <peterx@redhat.com>
+Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
+Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
+(cherry-picked from commit 09adb0e021207b60a0c51a68939b4539d98d3ef3)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/i386/intel_iommu.c | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
+index 9143376677..d025ef2873 100644
+--- a/hw/i386/intel_iommu.c
++++ b/hw/i386/intel_iommu.c
+@@ -3179,6 +3179,7 @@ static int vtd_iommu_notify_flag_changed(IOMMUMemoryRegion *iommu,
+ {
+     VTDAddressSpace *vtd_as = container_of(iommu, VTDAddressSpace, iommu);
+     IntelIOMMUState *s = vtd_as->iommu_state;
++    X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(s);
+ 
+     /* TODO: add support for VFIO and vhost users */
+     if (s->snoop_control) {
+@@ -3193,6 +3194,13 @@ static int vtd_iommu_notify_flag_changed(IOMMUMemoryRegion *iommu,
+                          PCI_FUNC(vtd_as->devfn));
+         return -ENOTSUP;
+     }
++    if (!x86_iommu->dt_supported && (new & IOMMU_NOTIFIER_DEVIOTLB_UNMAP)) {
++        error_setg_errno(errp, ENOTSUP,
++                         "device %02x.%02x.%x requires device IOTLB mode",
++                         pci_bus_num(vtd_as->bus), PCI_SLOT(vtd_as->devfn),
++                         PCI_FUNC(vtd_as->devfn));
++        return -ENOTSUP;
++    }
+ 
+     /* Update per-address-space notifier flags */
+     vtd_as->notifier_flags = new;

debian/patches/extra/0021-memory-Allow-disabling-re-entrancy-checking-per-MR.patch

@@ -0,0 +1,38 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Alexander Bulekov <alxndr@bu.edu>
+Date: Mon, 13 Mar 2023 04:24:16 -0400
+Subject: [PATCH] memory: Allow disabling re-entrancy checking per-MR
+
+Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
+---
+ include/exec/memory.h | 3 +++
+ softmmu/memory.c      | 2 +-
+ 2 files changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/include/exec/memory.h b/include/exec/memory.h
+index 91f8a2395a..d7268d9f39 100644
+--- a/include/exec/memory.h
++++ b/include/exec/memory.h
+@@ -765,6 +765,9 @@ struct MemoryRegion {
+     unsigned ioeventfd_nb;
+     MemoryRegionIoeventfd *ioeventfds;
+     RamDiscardManager *rdm; /* Only for RAM */
++
++    /* For devices designed to perform re-entrant IO into their own IO MRs */
++    bool disable_reentrancy_guard;
+ };
+ 
+ struct IOMMUMemoryRegion {
+diff --git a/softmmu/memory.c b/softmmu/memory.c
+index 7dcb3347aa..2b46714191 100644
+--- a/softmmu/memory.c
++++ b/softmmu/memory.c
+@@ -544,7 +544,7 @@ static MemTxResult access_with_adjusted_size(hwaddr addr,
+     }
+ 
+     /* Do not allow more than one simultanous access to a device's IO Regions */
+-    if (mr->owner &&
++    if (mr->owner && !mr->disable_reentrancy_guard &&
+         !mr->ram_device && !mr->ram && !mr->rom_device && !mr->readonly) {
+         dev = (DeviceState *) object_dynamic_cast(mr->owner, TYPE_DEVICE);
+         if (dev) {

debian/patches/extra/0022-lsi53c895a-disable-reentrancy-detection-for-script-R.patch

@@ -0,0 +1,33 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Alexander Bulekov <alxndr@bu.edu>
+Date: Mon, 13 Mar 2023 04:24:17 -0400
+Subject: [PATCH] lsi53c895a: disable reentrancy detection for script RAM
+
+As the code is designed to use the memory APIs to access the script ram,
+disable reentrancy checks for the pseudo-RAM ram_io MemoryRegion.
+
+In the future, ram_io may be converted from an IO to a proper RAM MemoryRegion.
+
+Reported-by: Fiona Ebner <f.ebner@proxmox.com>
+Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
+---
+ hw/scsi/lsi53c895a.c | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/hw/scsi/lsi53c895a.c b/hw/scsi/lsi53c895a.c
+index 50979640c3..894b9311ac 100644
+--- a/hw/scsi/lsi53c895a.c
++++ b/hw/scsi/lsi53c895a.c
+@@ -2302,6 +2302,12 @@ static void lsi_scsi_realize(PCIDevice *dev, Error **errp)
+     memory_region_init_io(&s->io_io, OBJECT(s), &lsi_io_ops, s,
+                           "lsi-io", 256);
+ 
++    /*
++     * Since we use the address-space API to interact with ram_io, disable the
++     * re-entrancy guard.
++     */
++    s->ram_io.disable_reentrancy_guard = true;
++
+     address_space_init(&s->pci_io_as, pci_address_space_io(dev), "lsi-pci-io");
+     qdev_init_gpio_out(d, &s->ext_irq, 1);
+ 

debian/patches/extra/0023-acpi-cpuhp-fix-guest-visible-maximum-access-size-to-.patch

@@ -0,0 +1,166 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Laszlo Ersek <lersek@redhat.com>
+Date: Thu, 5 Jan 2023 17:18:04 +0100
+Subject: [PATCH] acpi: cpuhp: fix guest-visible maximum access size to the
+ legacy reg block
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+The modern ACPI CPU hotplug interface was introduced in the following
+series (aa1dd39ca307..679dd1a957df), released in v2.7.0:
+
+  1  abd49bc2ed2f docs: update ACPI CPU hotplug spec with new protocol
+  2  16bcab97eb9f pc: piix4/ich9: add 'cpu-hotplug-legacy' property
+  3  5e1b5d93887b acpi: cpuhp: add CPU devices AML with _STA method
+  4  ac35f13ba8f8 pc: acpi: introduce AcpiDeviceIfClass.madt_cpu hook
+  5  d2238cb6781d acpi: cpuhp: implement hot-add parts of CPU hotplug
+                  interface
+  6  8872c25a26cc acpi: cpuhp: implement hot-remove parts of CPU hotplug
+                  interface
+  7  76623d00ae57 acpi: cpuhp: add cpu._OST handling
+  8  679dd1a957df pc: use new CPU hotplug interface since 2.7 machine type
+
+Before patch#1, "docs/specs/acpi_cpu_hotplug.txt" only specified 1-byte
+accesses for the hotplug register block.  Patch#1 preserved the same
+restriction for the legacy register block, but:
+
+- it specified DWORD accesses for some of the modern registers,
+
+- in particular, the switch from the legacy block to the modern block
+  would require a DWORD write to the *legacy* block.
+
+The latter functionality was then implemented in cpu_status_write()
+[hw/acpi/cpu_hotplug.c], in patch#8.
+
+Unfortunately, all DWORD accesses depended on a dormant bug: the one
+introduced in earlier commit a014ed07bd5a ("memory: accept mismatching
+sizes in memory_region_access_valid", 2013-05-29); first released in
+v1.6.0.  Due to commit a014ed07bd5a, the DWORD accesses to the *legacy*
+CPU hotplug register block would work in spite of the above series *not*
+relaxing "valid.max_access_size = 1" in "hw/acpi/cpu_hotplug.c":
+
+> static const MemoryRegionOps AcpiCpuHotplug_ops = {
+>     .read = cpu_status_read,
+>     .write = cpu_status_write,
+>     .endianness = DEVICE_LITTLE_ENDIAN,
+>     .valid = {
+>         .min_access_size = 1,
+>         .max_access_size = 1,
+>     },
+> };
+
+Later, in commits e6d0c3ce6895 ("acpi: cpuhp: introduce 'Command data 2'
+field", 2020-01-22) and ae340aa3d256 ("acpi: cpuhp: spec: add typical
+usecases", 2020-01-22), first released in v5.0.0, the modern CPU hotplug
+interface (including the documentation) was extended with another DWORD
+*read* access, namely to the "Command data 2" register, which would be
+important for the guest to confirm whether it managed to switch the
+register block from legacy to modern.
+
+This functionality too silently depended on the bug from commit
+a014ed07bd5a.
+
+In commit 5d971f9e6725 ('memory: Revert "memory: accept mismatching sizes
+in memory_region_access_valid"', 2020-06-26), first released in v5.1.0,
+the bug from commit a014ed07bd5a was fixed (the commit was reverted).
+That swiftly exposed the bug in "AcpiCpuHotplug_ops", still present from
+the v2.7.0 series quoted at the top -- namely the fact that
+"valid.max_access_size = 1" didn't match what the guest was supposed to
+do, according to the spec ("docs/specs/acpi_cpu_hotplug.txt").
+
+The symptom is that the "modern interface negotiation protocol"
+described in commit ae340aa3d256:
+
+> +      Use following steps to detect and enable modern CPU hotplug interface:
+> +        1. Store 0x0 to the 'CPU selector' register,
+> +           attempting to switch to modern mode
+> +        2. Store 0x0 to the 'CPU selector' register,
+> +           to ensure valid selector value
+> +        3. Store 0x0 to the 'Command field' register,
+> +        4. Read the 'Command data 2' register.
+> +           If read value is 0x0, the modern interface is enabled.
+> +           Otherwise legacy or no CPU hotplug interface available
+
+falls apart for the guest: steps 1 and 2 are lost, because they are DWORD
+writes; so no switching happens.  Step 3 (a single-byte write) is not
+lost, but it has no effect; see the condition in cpu_status_write() in
+patch#8.  And step 4 *misleads* the guest into thinking that the switch
+worked: the DWORD read is lost again -- it returns zero to the guest
+without ever reaching the device model, so the guest never learns the
+switch didn't work.
+
+This means that guest behavior centered on the "Command data 2" register
+worked *only* in the v5.0.0 release; it got effectively regressed in
+v5.1.0.
+
+To make things *even more* complicated, the breakage was (and remains, as
+of today) visible with TCG acceleration only.  Commit 5d971f9e6725 makes
+no difference with KVM acceleration -- the DWORD accesses still work,
+despite "valid.max_access_size = 1".
+
+As commit 5d971f9e6725 suggests, fix the problem by raising
+"valid.max_access_size" to 4 -- the spec now clearly instructs the guest
+to perform DWORD accesses to the legacy register block too, for enabling
+(and verifying!) the modern block.  In order to keep compatibility for the
+device model implementation though, set "impl.max_access_size = 1", so
+that wide accesses be split before they reach the legacy read/write
+handlers, like they always have been on KVM, and like they were on TCG
+before 5d971f9e6725 (v5.1.0).
+
+Tested with:
+
+- OVMF IA32 + qemu-system-i386, CPU hotplug/hot-unplug with SMM,
+  intermixed with ACPI S3 suspend/resume, using KVM accel
+  (regression-test);
+
+- OVMF IA32X64 + qemu-system-x86_64, CPU hotplug/hot-unplug with SMM,
+  intermixed with ACPI S3 suspend/resume, using KVM accel
+  (regression-test);
+
+- OVMF IA32 + qemu-system-i386, SMM enabled, using TCG accel; verified the
+  register block switch and the present/possible CPU counting through the
+  modern hotplug interface, during OVMF boot (bugfix test);
+
+- I do not have any testcase (guest payload) for regression-testing CPU
+  hotplug through the *legacy* CPU hotplug register block.
+
+Cc: "Michael S. Tsirkin" <mst@redhat.com>
+Cc: Ani Sinha <ani@anisinha.ca>
+Cc: Ard Biesheuvel <ardb@kernel.org>
+Cc: Igor Mammedov <imammedo@redhat.com>
+Cc: Paolo Bonzini <pbonzini@redhat.com>
+Cc: Peter Maydell <peter.maydell@linaro.org>
+Cc: Philippe Mathieu-Daudé <philmd@linaro.org>
+Cc: qemu-stable@nongnu.org
+Ref: "IO port write width clamping differs between TCG and KVM"
+Link: http://mid.mail-archive.com/aaedee84-d3ed-a4f9-21e7-d221a28d1683@redhat.com
+Link: https://lists.gnu.org/archive/html/qemu-devel/2023-01/msg00199.html
+Reported-by: Ard Biesheuvel <ardb@kernel.org>
+Signed-off-by: Laszlo Ersek <lersek@redhat.com>
+Tested-by: Ard Biesheuvel <ardb@kernel.org>
+Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
+Tested-by: Igor Mammedov <imammedo@redhat.com>
+Message-Id: <20230105161804.82486-1-lersek@redhat.com>
+Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
+Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
+(cherry-picked from commit dab30fbef3896bb652a09d46c37d3f55657cbcbb)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/acpi/cpu_hotplug.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/hw/acpi/cpu_hotplug.c b/hw/acpi/cpu_hotplug.c
+index 53654f8638..ff14c3f410 100644
+--- a/hw/acpi/cpu_hotplug.c
++++ b/hw/acpi/cpu_hotplug.c
+@@ -52,6 +52,9 @@ static const MemoryRegionOps AcpiCpuHotplug_ops = {
+     .endianness = DEVICE_LITTLE_ENDIAN,
+     .valid = {
+         .min_access_size = 1,
++        .max_access_size = 4,
++    },
++    .impl = {
+         .max_access_size = 1,
+     },
+ };

debian/patches/extra/0024-tests-tcg-i386-Introduce-and-use-reg_t-consistently.patch

@@ -0,0 +1,286 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Richard Henderson <richard.henderson@linaro.org>
+Date: Sat, 14 Jan 2023 13:05:41 -1000
+Subject: [PATCH] tests/tcg/i386: Introduce and use reg_t consistently
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Define reg_t based on the actual register width.
+Define the inlines using that type.  This will allow
+input registers to 32-bit insns to be set to 64-bit
+values on x86-64, which allows testing various edge cases.
+
+Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
+Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
+Message-Id: <20230114230542.3116013-2-richard.henderson@linaro.org>
+Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
+(cherry-picked from commit 5d62d6649cd367b5b4a3676e7514d2f9ca86cb03)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ tests/tcg/i386/test-i386-bmi2.c | 182 ++++++++++++++++----------------
+ 1 file changed, 93 insertions(+), 89 deletions(-)
+
+diff --git a/tests/tcg/i386/test-i386-bmi2.c b/tests/tcg/i386/test-i386-bmi2.c
+index 5fadf47510..3c3ef85513 100644
+--- a/tests/tcg/i386/test-i386-bmi2.c
++++ b/tests/tcg/i386/test-i386-bmi2.c
+@@ -3,34 +3,40 @@
+ #include <stdint.h>
+ #include <stdio.h>
+ 
++#ifdef __x86_64
++typedef uint64_t reg_t;
++#else
++typedef uint32_t reg_t;
++#endif
++
+ #define insn1q(name, arg0)                                                           \
+-static inline uint64_t name##q(uint64_t arg0)                                        \
++static inline reg_t name##q(reg_t arg0)                                              \
+ {                                                                                    \
+-    uint64_t result64;                                                               \
++    reg_t result64;                                                                  \
+     asm volatile (#name "q   %1, %0" : "=r"(result64) : "rm"(arg0));                 \
+     return result64;                                                                 \
+ }
+ 
+ #define insn1l(name, arg0)                                                           \
+-static inline uint32_t name##l(uint32_t arg0)                                        \
++static inline reg_t name##l(reg_t arg0)                                              \
+ {                                                                                    \
+-    uint32_t result32;                                                               \
++    reg_t result32;                                                                  \
+     asm volatile (#name "l   %k1, %k0" : "=r"(result32) : "rm"(arg0));               \
+     return result32;                                                                 \
+ }
+ 
+ #define insn2q(name, arg0, c0, arg1, c1)                                             \
+-static inline uint64_t name##q(uint64_t arg0, uint64_t arg1)                         \
++static inline reg_t name##q(reg_t arg0, reg_t arg1)                                  \
+ {                                                                                    \
+-    uint64_t result64;                                                               \
++    reg_t result64;                                                                  \
+     asm volatile (#name "q   %2, %1, %0" : "=r"(result64) : c0(arg0), c1(arg1));     \
+     return result64;                                                                 \
+ }
+ 
+ #define insn2l(name, arg0, c0, arg1, c1)                                             \
+-static inline uint32_t name##l(uint32_t arg0, uint32_t arg1)                         \
++static inline reg_t name##l(reg_t arg0, reg_t arg1)                                  \
+ {                                                                                    \
+-    uint32_t result32;                                                               \
++    reg_t result32;                                                                  \
+     asm volatile (#name "l   %k2, %k1, %k0" : "=r"(result32) : c0(arg0), c1(arg1));  \
+     return result32;                                                                 \
+ }
+@@ -65,130 +71,128 @@ insn1l(blsr, src)
+ int main(int argc, char *argv[]) {
+     uint64_t ehlo = 0x202020204f4c4845ull;
+     uint64_t mask = 0xa080800302020001ull;
+-    uint32_t result32;
++    reg_t result;
+ 
+ #ifdef __x86_64
+-    uint64_t result64;
+-
+     /* 64 bits */
+-    result64 = andnq(mask, ehlo);
+-    assert(result64 == 0x002020204d4c4844);
++    result = andnq(mask, ehlo);
++    assert(result == 0x002020204d4c4844);
+ 
+-    result64 = pextq(ehlo, mask);
+-    assert(result64 == 133);
++    result = pextq(ehlo, mask);
++    assert(result == 133);
+ 
+-    result64 = pdepq(result64, mask);
+-    assert(result64 == (ehlo & mask));
++    result = pdepq(result, mask);
++    assert(result == (ehlo & mask));
+ 
+-    result64 = pextq(-1ull, mask);
+-    assert(result64 == 511); /* mask has 9 bits set */
++    result = pextq(-1ull, mask);
++    assert(result == 511); /* mask has 9 bits set */
+ 
+-    result64 = pdepq(-1ull, mask);
+-    assert(result64 == mask);
++    result = pdepq(-1ull, mask);
++    assert(result == mask);
+ 
+-    result64 = bextrq(mask, 0x3f00);
+-    assert(result64 == (mask & ~INT64_MIN));
++    result = bextrq(mask, 0x3f00);
++    assert(result == (mask & ~INT64_MIN));
+ 
+-    result64 = bextrq(mask, 0x1038);
+-    assert(result64 == 0xa0);
++    result = bextrq(mask, 0x1038);
++    assert(result == 0xa0);
+ 
+-    result64 = bextrq(mask, 0x10f8);
+-    assert(result64 == 0);
++    result = bextrq(mask, 0x10f8);
++    assert(result == 0);
+ 
+-    result64 = blsiq(0x30);
+-    assert(result64 == 0x10);
++    result = blsiq(0x30);
++    assert(result == 0x10);
+ 
+-    result64 = blsiq(0x30ull << 32);
+-    assert(result64 == 0x10ull << 32);
++    result = blsiq(0x30ull << 32);
++    assert(result == 0x10ull << 32);
+ 
+-    result64 = blsmskq(0x30);
+-    assert(result64 == 0x1f);
++    result = blsmskq(0x30);
++    assert(result == 0x1f);
+ 
+-    result64 = blsrq(0x30);
+-    assert(result64 == 0x20);
++    result = blsrq(0x30);
++    assert(result == 0x20);
+ 
+-    result64 = blsrq(0x30ull << 32);
+-    assert(result64 == 0x20ull << 32);
++    result = blsrq(0x30ull << 32);
++    assert(result == 0x20ull << 32);
+ 
+-    result64 = bzhiq(mask, 0x3f);
+-    assert(result64 == (mask & ~INT64_MIN));
++    result = bzhiq(mask, 0x3f);
++    assert(result == (mask & ~INT64_MIN));
+ 
+-    result64 = bzhiq(mask, 0x1f);
+-    assert(result64 == (mask & ~(-1 << 30)));
++    result = bzhiq(mask, 0x1f);
++    assert(result == (mask & ~(-1 << 30)));
+ 
+-    result64 = rorxq(0x2132435465768798, 8);
+-    assert(result64 == 0x9821324354657687);
++    result = rorxq(0x2132435465768798, 8);
++    assert(result == 0x9821324354657687);
+ 
+-    result64 = sarxq(0xffeeddccbbaa9988, 8);
+-    assert(result64 == 0xffffeeddccbbaa99);
++    result = sarxq(0xffeeddccbbaa9988, 8);
++    assert(result == 0xffffeeddccbbaa99);
+ 
+-    result64 = sarxq(0x77eeddccbbaa9988, 8 | 64);
+-    assert(result64 == 0x0077eeddccbbaa99);
++    result = sarxq(0x77eeddccbbaa9988, 8 | 64);
++    assert(result == 0x0077eeddccbbaa99);
+ 
+-    result64 = shrxq(0xffeeddccbbaa9988, 8);
+-    assert(result64 == 0x00ffeeddccbbaa99);
++    result = shrxq(0xffeeddccbbaa9988, 8);
++    assert(result == 0x00ffeeddccbbaa99);
+ 
+-    result64 = shrxq(0x77eeddccbbaa9988, 8 | 192);
+-    assert(result64 == 0x0077eeddccbbaa99);
++    result = shrxq(0x77eeddccbbaa9988, 8 | 192);
++    assert(result == 0x0077eeddccbbaa99);
+ 
+-    result64 = shlxq(0xffeeddccbbaa9988, 8);
+-    assert(result64 == 0xeeddccbbaa998800);
++    result = shlxq(0xffeeddccbbaa9988, 8);
++    assert(result == 0xeeddccbbaa998800);
+ #endif
+ 
+     /* 32 bits */
+-    result32 = andnl(mask, ehlo);
+-    assert(result32 == 0x04d4c4844);
++    result = andnl(mask, ehlo);
++    assert(result == 0x04d4c4844);
+ 
+-    result32 = pextl((uint32_t) ehlo, mask);
+-    assert(result32 == 5);
++    result = pextl((uint32_t) ehlo, mask);
++    assert(result == 5);
+ 
+-    result32 = pdepl(result32, mask);
+-    assert(result32 == (uint32_t)(ehlo & mask));
++    result = pdepl(result, mask);
++    assert(result == (uint32_t)(ehlo & mask));
+ 
+-    result32 = pextl(-1u, mask);
+-    assert(result32 == 7); /* mask has 3 bits set */
++    result = pextl(-1u, mask);
++    assert(result == 7); /* mask has 3 bits set */
+ 
+-    result32 = pdepl(-1u, mask);
+-    assert(result32 == (uint32_t)mask);
++    result = pdepl(-1u, mask);
++    assert(result == (uint32_t)mask);
+ 
+-    result32 = bextrl(mask, 0x1f00);
+-    assert(result32 == (mask & ~INT32_MIN));
++    result = bextrl(mask, 0x1f00);
++    assert(result == (mask & ~INT32_MIN));
+ 
+-    result32 = bextrl(ehlo, 0x1018);
+-    assert(result32 == 0x4f);
++    result = bextrl(ehlo, 0x1018);
++    assert(result == 0x4f);
+ 
+-    result32 = bextrl(mask, 0x1038);
+-    assert(result32 == 0);
++    result = bextrl(mask, 0x1038);
++    assert(result == 0);
+ 
+-    result32 = blsil(0xffff);
+-    assert(result32 == 1);
++    result = blsil(0xffff);
++    assert(result == 1);
+ 
+-    result32 = blsmskl(0x300);
+-    assert(result32 == 0x1ff);
++    result = blsmskl(0x300);
++    assert(result == 0x1ff);
+ 
+-    result32 = blsrl(0xffc);
+-    assert(result32 == 0xff8);
++    result = blsrl(0xffc);
++    assert(result == 0xff8);
+ 
+-    result32 = bzhil(mask, 0xf);
+-    assert(result32 == 1);
++    result = bzhil(mask, 0xf);
++    assert(result == 1);
+ 
+-    result32 = rorxl(0x65768798, 8);
+-    assert(result32 == 0x98657687);
++    result = rorxl(0x65768798, 8);
++    assert(result == 0x98657687);
+ 
+-    result32 = sarxl(0xffeeddcc, 8);
+-    assert(result32 == 0xffffeedd);
++    result = sarxl(0xffeeddcc, 8);
++    assert(result == 0xffffeedd);
+ 
+-    result32 = sarxl(0x77eeddcc, 8 | 32);
+-    assert(result32 == 0x0077eedd);
++    result = sarxl(0x77eeddcc, 8 | 32);
++    assert(result == 0x0077eedd);
+ 
+-    result32 = shrxl(0xffeeddcc, 8);
+-    assert(result32 == 0x00ffeedd);
++    result = shrxl(0xffeeddcc, 8);
++    assert(result == 0x00ffeedd);
+ 
+-    result32 = shrxl(0x77eeddcc, 8 | 128);
+-    assert(result32 == 0x0077eedd);
++    result = shrxl(0x77eeddcc, 8 | 128);
++    assert(result == 0x0077eedd);
+ 
+-    result32 = shlxl(0xffeeddcc, 8);
+-    assert(result32 == 0xeeddcc00);
++    result = shlxl(0xffeeddcc, 8);
++    assert(result == 0xeeddcc00);
+ 
+     return 0;
+ }

debian/patches/extra/0025-target-i386-Fix-BEXTR-instruction.patch

@@ -0,0 +1,97 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Richard Henderson <richard.henderson@linaro.org>
+Date: Sat, 14 Jan 2023 13:05:42 -1000
+Subject: [PATCH] target/i386: Fix BEXTR instruction
+
+There were two problems here: not limiting the input to operand bits,
+and not correctly handling large extraction length.
+
+Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1372
+Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
+Message-Id: <20230114230542.3116013-3-richard.henderson@linaro.org>
+Cc: qemu-stable@nongnu.org
+Fixes: 1d0b926150e5 ("target/i386: move scalar 0F 38 and 0F 3A instruction to new decoder", 2022-10-18)
+Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
+(cherry-picked from commit b14c0098975264ed03144f145bca0179a6763a07)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ target/i386/tcg/emit.c.inc      | 22 +++++++++++-----------
+ tests/tcg/i386/test-i386-bmi2.c | 12 ++++++++++++
+ 2 files changed, 23 insertions(+), 11 deletions(-)
+
+diff --git a/target/i386/tcg/emit.c.inc b/target/i386/tcg/emit.c.inc
+index 7037ff91c6..99f6ba6e19 100644
+--- a/target/i386/tcg/emit.c.inc
++++ b/target/i386/tcg/emit.c.inc
+@@ -1078,30 +1078,30 @@ static void gen_ANDN(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
+ static void gen_BEXTR(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
+ {
+     MemOp ot = decode->op[0].ot;
+-    TCGv bound, zero;
++    TCGv bound = tcg_constant_tl(ot == MO_64 ? 63 : 31);
++    TCGv zero = tcg_constant_tl(0);
++    TCGv mone = tcg_constant_tl(-1);
+ 
+     /*
+      * Extract START, and shift the operand.
+      * Shifts larger than operand size get zeros.
+      */
+     tcg_gen_ext8u_tl(s->A0, s->T1);
++    if (TARGET_LONG_BITS == 64 && ot == MO_32) {
++        tcg_gen_ext32u_tl(s->T0, s->T0);
++    }
+     tcg_gen_shr_tl(s->T0, s->T0, s->A0);
+ 
+-    bound = tcg_constant_tl(ot == MO_64 ? 63 : 31);
+-    zero = tcg_constant_tl(0);
+     tcg_gen_movcond_tl(TCG_COND_LEU, s->T0, s->A0, bound, s->T0, zero);
+ 
+     /*
+-     * Extract the LEN into a mask.  Lengths larger than
+-     * operand size get all ones.
++     * Extract the LEN into an inverse mask.  Lengths larger than
++     * operand size get all zeros, length 0 gets all ones.
+      */
+     tcg_gen_extract_tl(s->A0, s->T1, 8, 8);
+-    tcg_gen_movcond_tl(TCG_COND_LEU, s->A0, s->A0, bound, s->A0, bound);
+-
+-    tcg_gen_movi_tl(s->T1, 1);
+-    tcg_gen_shl_tl(s->T1, s->T1, s->A0);
+-    tcg_gen_subi_tl(s->T1, s->T1, 1);
+-    tcg_gen_and_tl(s->T0, s->T0, s->T1);
++    tcg_gen_shl_tl(s->T1, mone, s->A0);
++    tcg_gen_movcond_tl(TCG_COND_LEU, s->T1, s->A0, bound, s->T1, zero);
++    tcg_gen_andc_tl(s->T0, s->T0, s->T1);
+ 
+     gen_op_update1_cc(s);
+     set_cc_op(s, CC_OP_LOGICB + ot);
+diff --git a/tests/tcg/i386/test-i386-bmi2.c b/tests/tcg/i386/test-i386-bmi2.c
+index 3c3ef85513..982d4abda4 100644
+--- a/tests/tcg/i386/test-i386-bmi2.c
++++ b/tests/tcg/i386/test-i386-bmi2.c
+@@ -99,6 +99,9 @@ int main(int argc, char *argv[]) {
+     result = bextrq(mask, 0x10f8);
+     assert(result == 0);
+ 
++    result = bextrq(0xfedcba9876543210ull, 0x7f00);
++    assert(result == 0xfedcba9876543210ull);
++
+     result = blsiq(0x30);
+     assert(result == 0x10);
+ 
+@@ -164,6 +167,15 @@ int main(int argc, char *argv[]) {
+     result = bextrl(mask, 0x1038);
+     assert(result == 0);
+ 
++    result = bextrl((reg_t)0x8f635a775ad3b9b4ull, 0x3018);
++    assert(result == 0x5a);
++
++    result = bextrl((reg_t)0xfedcba9876543210ull, 0x7f00);
++    assert(result == 0x76543210u);
++
++    result = bextrl(-1, 0);
++    assert(result == 0);
++
+     result = blsil(0xffff);
+     assert(result == 1);
+ 

debian/patches/extra/0026-target-i386-Fix-C-flag-for-BLSI-BLSMSK-BLSR.patch

@@ -0,0 +1,47 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Richard Henderson <richard.henderson@linaro.org>
+Date: Sat, 14 Jan 2023 08:06:01 -1000
+Subject: [PATCH] target/i386: Fix C flag for BLSI, BLSMSK, BLSR
+
+We forgot to set cc_src, which is used for computing C.
+
+Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1370
+Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
+Message-Id: <20230114180601.2993644-1-richard.henderson@linaro.org>
+Cc: qemu-stable@nongnu.org
+Fixes: 1d0b926150e5 ("target/i386: move scalar 0F 38 and 0F 3A instruction to new decoder", 2022-10-18)
+Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
+(cherry-picked from commit 99282098dc74c2055bde5652bde6cf0067d0c370)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ target/i386/tcg/emit.c.inc | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/target/i386/tcg/emit.c.inc b/target/i386/tcg/emit.c.inc
+index 99f6ba6e19..4d7702c106 100644
+--- a/target/i386/tcg/emit.c.inc
++++ b/target/i386/tcg/emit.c.inc
+@@ -1111,6 +1111,7 @@ static void gen_BLSI(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
+ {
+     MemOp ot = decode->op[0].ot;
+ 
++    tcg_gen_mov_tl(cpu_cc_src, s->T0);
+     tcg_gen_neg_tl(s->T1, s->T0);
+     tcg_gen_and_tl(s->T0, s->T0, s->T1);
+     tcg_gen_mov_tl(cpu_cc_dst, s->T0);
+@@ -1121,6 +1122,7 @@ static void gen_BLSMSK(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode
+ {
+     MemOp ot = decode->op[0].ot;
+ 
++    tcg_gen_mov_tl(cpu_cc_src, s->T0);
+     tcg_gen_subi_tl(s->T1, s->T0, 1);
+     tcg_gen_xor_tl(s->T0, s->T0, s->T1);
+     tcg_gen_mov_tl(cpu_cc_dst, s->T0);
+@@ -1131,6 +1133,7 @@ static void gen_BLSR(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
+ {
+     MemOp ot = decode->op[0].ot;
+ 
++    tcg_gen_mov_tl(cpu_cc_src, s->T0);
+     tcg_gen_subi_tl(s->T1, s->T0, 1);
+     tcg_gen_and_tl(s->T0, s->T0, s->T1);
+     tcg_gen_mov_tl(cpu_cc_dst, s->T0);

debian/patches/extra/0027-target-i386-fix-ADOX-followed-by-ADCX.patch

@@ -0,0 +1,192 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Paolo Bonzini <pbonzini@redhat.com>
+Date: Tue, 31 Jan 2023 09:48:03 +0100
+Subject: [PATCH] target/i386: fix ADOX followed by ADCX
+
+When ADCX is followed by ADOX or vice versa, the second instruction's
+carry comes from EFLAGS and the condition codes use the CC_OP_ADCOX
+operation.  Retrieving the carry from EFLAGS is handled by this bit
+of gen_ADCOX:
+
+        tcg_gen_extract_tl(carry_in, cpu_cc_src,
+            ctz32(cc_op == CC_OP_ADCX ? CC_C : CC_O), 1);
+
+Unfortunately, in this case cc_op has been overwritten by the previous
+"if" statement to CC_OP_ADCOX.  This works by chance when the first
+instruction is ADCX; however, if the first instruction is ADOX,
+ADCX will incorrectly take its carry from OF instead of CF.
+
+Fix by moving the computation of the new cc_op at the end of the function.
+The included exhaustive test case fails without this patch and passes
+afterwards.
+
+Because ADCX/ADOX need not be invoked through the VEX prefix, this
+regression bisects to commit 16fc5726a6e2 ("target/i386: reimplement
+0x0f 0x38, add AVX", 2022-10-18).  However, the mistake happened a
+little earlier, when BMI instructions were rewritten using the new
+decoder framework.
+
+Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1471
+Reported-by: Paul Jolly <https://gitlab.com/myitcv>
+Fixes: 1d0b926150e5 ("target/i386: move scalar 0F 38 and 0F 3A instruction to new decoder", 2022-10-18)
+Cc: qemu-stable@nongnu.org
+Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
+(cherry-picked from commit 60c7dd22e1383754d5f150bc9f7c2785c662a7b6)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ target/i386/tcg/emit.c.inc       | 20 +++++----
+ tests/tcg/i386/Makefile.target   |  6 ++-
+ tests/tcg/i386/test-i386-adcox.c | 75 ++++++++++++++++++++++++++++++++
+ 3 files changed, 91 insertions(+), 10 deletions(-)
+ create mode 100644 tests/tcg/i386/test-i386-adcox.c
+
+diff --git a/target/i386/tcg/emit.c.inc b/target/i386/tcg/emit.c.inc
+index 4d7702c106..0d7c6e80ae 100644
+--- a/target/i386/tcg/emit.c.inc
++++ b/target/i386/tcg/emit.c.inc
+@@ -1015,6 +1015,7 @@ VSIB_AVX(VPGATHERQ, vpgatherq)
+ 
+ static void gen_ADCOX(DisasContext *s, CPUX86State *env, MemOp ot, int cc_op)
+ {
++    int opposite_cc_op;
+     TCGv carry_in = NULL;
+     TCGv carry_out = (cc_op == CC_OP_ADCX ? cpu_cc_dst : cpu_cc_src2);
+     TCGv zero;
+@@ -1022,14 +1023,8 @@ static void gen_ADCOX(DisasContext *s, CPUX86State *env, MemOp ot, int cc_op)
+     if (cc_op == s->cc_op || s->cc_op == CC_OP_ADCOX) {
+         /* Re-use the carry-out from a previous round.  */
+         carry_in = carry_out;
+-        cc_op = s->cc_op;
+-    } else if (s->cc_op == CC_OP_ADCX || s->cc_op == CC_OP_ADOX) {
+-        /* Merge with the carry-out from the opposite instruction.  */
+-        cc_op = CC_OP_ADCOX;
+-    }
+-
+-    /* If we don't have a carry-in, get it out of EFLAGS.  */
+-    if (!carry_in) {
++    } else {
++        /* We don't have a carry-in, get it out of EFLAGS.  */
+         if (s->cc_op != CC_OP_ADCX && s->cc_op != CC_OP_ADOX) {
+             gen_compute_eflags(s);
+         }
+@@ -1053,7 +1048,14 @@ static void gen_ADCOX(DisasContext *s, CPUX86State *env, MemOp ot, int cc_op)
+         tcg_gen_add2_tl(s->T0, carry_out, s->T0, carry_out, s->T1, zero);
+         break;
+     }
+-    set_cc_op(s, cc_op);
++
++    opposite_cc_op = cc_op == CC_OP_ADCX ? CC_OP_ADOX : CC_OP_ADCX;
++    if (s->cc_op == CC_OP_ADCOX || s->cc_op == opposite_cc_op) {
++        /* Merge with the carry-out from the opposite instruction.  */
++        set_cc_op(s, CC_OP_ADCOX);
++    } else {
++        set_cc_op(s, cc_op);
++    }
+ }
+ 
+ static void gen_ADCX(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
+diff --git a/tests/tcg/i386/Makefile.target b/tests/tcg/i386/Makefile.target
+index 81831cafbc..bafd8c2180 100644
+--- a/tests/tcg/i386/Makefile.target
++++ b/tests/tcg/i386/Makefile.target
+@@ -14,7 +14,7 @@ config-cc.mak: Makefile
+ I386_SRCS=$(notdir $(wildcard $(I386_SRC)/*.c))
+ ALL_X86_TESTS=$(I386_SRCS:.c=)
+ SKIP_I386_TESTS=test-i386-ssse3 test-avx test-3dnow test-mmx
+-X86_64_TESTS:=$(filter test-i386-bmi2 $(SKIP_I386_TESTS), $(ALL_X86_TESTS))
++X86_64_TESTS:=$(filter test-i386-adcox test-i386-bmi2 $(SKIP_I386_TESTS), $(ALL_X86_TESTS))
+ 
+ test-i386-sse-exceptions: CFLAGS += -msse4.1 -mfpmath=sse
+ run-test-i386-sse-exceptions: QEMU_OPTS += -cpu max
+@@ -28,6 +28,10 @@ test-i386-bmi2: CFLAGS=-O2
+ run-test-i386-bmi2: QEMU_OPTS += -cpu max
+ run-plugin-test-i386-bmi2-%: QEMU_OPTS += -cpu max
+ 
++test-i386-adcox: CFLAGS=-O2
++run-test-i386-adcox: QEMU_OPTS += -cpu max
++run-plugin-test-i386-adcox-%: QEMU_OPTS += -cpu max
++
+ #
+ # hello-i386 is a barebones app
+ #
+diff --git a/tests/tcg/i386/test-i386-adcox.c b/tests/tcg/i386/test-i386-adcox.c
+new file mode 100644
+index 0000000000..16169efff8
+--- /dev/null
++++ b/tests/tcg/i386/test-i386-adcox.c
+@@ -0,0 +1,75 @@
++/* See if various BMI2 instructions give expected results */
++#include <assert.h>
++#include <stdint.h>
++#include <stdio.h>
++
++#define CC_C 1
++#define CC_O (1 << 11)
++
++#ifdef __x86_64__
++#define REG uint64_t
++#else
++#define REG uint32_t
++#endif
++
++void test_adox_adcx(uint32_t in_c, uint32_t in_o, REG adcx_operand, REG adox_operand)
++{
++    REG flags;
++    REG out_adcx, out_adox;
++
++    asm("pushf; pop %0" : "=r"(flags));
++    flags &= ~(CC_C | CC_O);
++    flags |= (in_c ? CC_C : 0);
++    flags |= (in_o ? CC_O : 0);
++
++    out_adcx = adcx_operand;
++    out_adox = adox_operand;
++    asm("push %0; popf;"
++        "adox %3, %2;"
++        "adcx %3, %1;"
++        "pushf; pop %0"
++        : "+r" (flags), "+r" (out_adcx), "+r" (out_adox)
++        : "r" ((REG)-1), "0" (flags), "1" (out_adcx), "2" (out_adox));
++
++    assert(out_adcx == in_c + adcx_operand - 1);
++    assert(out_adox == in_o + adox_operand - 1);
++    assert(!!(flags & CC_C) == (in_c || adcx_operand));
++    assert(!!(flags & CC_O) == (in_o || adox_operand));
++}
++
++void test_adcx_adox(uint32_t in_c, uint32_t in_o, REG adcx_operand, REG adox_operand)
++{
++    REG flags;
++    REG out_adcx, out_adox;
++
++    asm("pushf; pop %0" : "=r"(flags));
++    flags &= ~(CC_C | CC_O);
++    flags |= (in_c ? CC_C : 0);
++    flags |= (in_o ? CC_O : 0);
++
++    out_adcx = adcx_operand;
++    out_adox = adox_operand;
++    asm("push %0; popf;"
++        "adcx %3, %1;"
++        "adox %3, %2;"
++        "pushf; pop %0"
++        : "+r" (flags), "+r" (out_adcx), "+r" (out_adox)
++        : "r" ((REG)-1), "0" (flags), "1" (out_adcx), "2" (out_adox));
++
++    assert(out_adcx == in_c + adcx_operand - 1);
++    assert(out_adox == in_o + adox_operand - 1);
++    assert(!!(flags & CC_C) == (in_c || adcx_operand));
++    assert(!!(flags & CC_O) == (in_o || adox_operand));
++}
++
++int main(int argc, char *argv[]) {
++    /* try all combinations of input CF, input OF, CF from op1+op2,  OF from op2+op1 */
++    int i;
++    for (i = 0; i <= 15; i++) {
++        printf("%d\n", i);
++        test_adcx_adox(!!(i & 1), !!(i & 2), !!(i & 4), !!(i & 8));
++        test_adox_adcx(!!(i & 1), !!(i & 2), !!(i & 4), !!(i & 8));
++    }
++    return 0;
++}
++

debian/patches/extra/0028-target-i386-Fix-BZHI-instruction.patch

@@ -0,0 +1,64 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Richard Henderson <richard.henderson@linaro.org>
+Date: Sat, 14 Jan 2023 13:32:06 -1000
+Subject: [PATCH] target/i386: Fix BZHI instruction
+
+We did not correctly handle N >= operand size.
+
+Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1374
+Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
+Message-Id: <20230114233206.3118472-1-richard.henderson@linaro.org>
+Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
+(cherry-picked from commit 9ad2ba6e8e7fc195d0dd0b76ab38bd2fceb1bdd4)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ target/i386/tcg/emit.c.inc      | 14 +++++++-------
+ tests/tcg/i386/test-i386-bmi2.c |  3 +++
+ 2 files changed, 10 insertions(+), 7 deletions(-)
+
+diff --git a/target/i386/tcg/emit.c.inc b/target/i386/tcg/emit.c.inc
+index 0d7c6e80ae..7296f3952c 100644
+--- a/target/i386/tcg/emit.c.inc
++++ b/target/i386/tcg/emit.c.inc
+@@ -1145,20 +1145,20 @@ static void gen_BLSR(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
+ static void gen_BZHI(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
+ {
+     MemOp ot = decode->op[0].ot;
+-    TCGv bound;
++    TCGv bound = tcg_constant_tl(ot == MO_64 ? 63 : 31);
++    TCGv zero = tcg_constant_tl(0);
++    TCGv mone = tcg_constant_tl(-1);
+ 
+-    tcg_gen_ext8u_tl(s->T1, cpu_regs[s->vex_v]);
+-    bound = tcg_constant_tl(ot == MO_64 ? 63 : 31);
++    tcg_gen_ext8u_tl(s->T1, s->T1);
+ 
+     /*
+      * Note that since we're using BMILG (in order to get O
+      * cleared) we need to store the inverse into C.
+      */
+-    tcg_gen_setcond_tl(TCG_COND_LT, cpu_cc_src, s->T1, bound);
+-    tcg_gen_movcond_tl(TCG_COND_GT, s->T1, s->T1, bound, bound, s->T1);
++    tcg_gen_setcond_tl(TCG_COND_LEU, cpu_cc_src, s->T1, bound);
+ 
+-    tcg_gen_movi_tl(s->A0, -1);
+-    tcg_gen_shl_tl(s->A0, s->A0, s->T1);
++    tcg_gen_shl_tl(s->A0, mone, s->T1);
++    tcg_gen_movcond_tl(TCG_COND_LEU, s->A0, s->T1, bound, s->A0, zero);
+     tcg_gen_andc_tl(s->T0, s->T0, s->A0);
+ 
+     gen_op_update1_cc(s);
+diff --git a/tests/tcg/i386/test-i386-bmi2.c b/tests/tcg/i386/test-i386-bmi2.c
+index 982d4abda4..0244df7987 100644
+--- a/tests/tcg/i386/test-i386-bmi2.c
++++ b/tests/tcg/i386/test-i386-bmi2.c
+@@ -123,6 +123,9 @@ int main(int argc, char *argv[]) {
+     result = bzhiq(mask, 0x1f);
+     assert(result == (mask & ~(-1 << 30)));
+ 
++    result = bzhiq(mask, 0x40);
++    assert(result == mask);
++
+     result = rorxq(0x2132435465768798, 8);
+     assert(result == 0x9821324354657687);
+ 

debian/patches/pve/0001-PVE-Config-block-file-change-locking-default-to-off.patch

@@ -14,10 +14,10 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 2 insertions(+), 2 deletions(-)
 
 diff --git a/block/file-posix.c b/block/file-posix.c
-index d5fd1dbcd2..bda3e606dc 100644
+index b9647c5ffc..9a16d86344 100644
 --- a/block/file-posix.c
 +++ b/block/file-posix.c
-@@ -508,7 +508,7 @@ static QemuOptsList raw_runtime_opts = {
+@@ -552,7 +552,7 @@ static QemuOptsList raw_runtime_opts = {
          {
              .name = "locking",
              .type = QEMU_OPT_STRING,
@@ -26,7 +26,7 @@ index d5fd1dbcd2..bda3e606dc 100644
          },
          {
              .name = "pr-manager",
-@@ -606,7 +606,7 @@ static int raw_open_common(BlockDriverState *bs, QDict *options,
+@@ -652,7 +652,7 @@ static int raw_open_common(BlockDriverState *bs, QDict *options,
          s->use_lock = false;
          break;
      case ON_OFF_AUTO_AUTO:

debian/patches/pve/0002-PVE-Config-Adjust-network-script-path-to-etc-kvm.patch

@@ -9,10 +9,10 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 2 insertions(+), 2 deletions(-)
 
 diff --git a/include/net/net.h b/include/net/net.h
-index 778fc787ca..fb2db6bb75 100644
+index dc20b31e9f..5ae04a8693 100644
 --- a/include/net/net.h
 +++ b/include/net/net.h
-@@ -210,8 +210,8 @@ void netdev_add(QemuOpts *opts, Error **errp);
+@@ -236,8 +236,8 @@ void netdev_add(QemuOpts *opts, Error **errp);
  int net_hub_id_for_client(NetClientState *nc, int *id);
  NetClientState *net_hub_port_find(int hub_id);
  

debian/patches/pve/0003-PVE-Config-set-the-CPU-model-to-kvm64-32-instead-of-.patch

@@ -10,10 +10,10 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 2 insertions(+), 2 deletions(-)
 
 diff --git a/target/i386/cpu.h b/target/i386/cpu.h
-index 88e8586f8f..93563ee0c2 100644
+index d4bc19577a..be7da64f38 100644
 --- a/target/i386/cpu.h
 +++ b/target/i386/cpu.h
-@@ -1973,9 +1973,9 @@ uint64_t cpu_get_tsc(CPUX86State *env);
+@@ -2174,9 +2174,9 @@ uint64_t cpu_get_tsc(CPUX86State *env);
  #define CPU_RESOLVING_TYPE TYPE_X86_CPU
  
  #ifdef TARGET_X86_64
@@ -24,4 +24,4 @@ index 88e8586f8f..93563ee0c2 100644
 +#define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("kvm32")
  #endif
  
- #define cpu_signal_handler cpu_x86_signal_handler
+ #define cpu_list x86_cpu_list

debian/patches/pve/0004-PVE-Config-ui-spice-default-to-pve-certificates.patch

@@ -9,10 +9,10 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 9 insertions(+), 6 deletions(-)
 
 diff --git a/ui/spice-core.c b/ui/spice-core.c
-index eea52f5389..d09ee7f09e 100644
+index c3ac20ad43..37774f1c0a 100644
 --- a/ui/spice-core.c
 +++ b/ui/spice-core.c
-@@ -667,32 +667,35 @@ static void qemu_spice_init(void)
+@@ -689,32 +689,35 @@ static void qemu_spice_init(void)
  
      if (tls_port) {
          x509_dir = qemu_opt_get(opts, "x509-dir");

debian/patches/pve/0005-PVE-Config-glusterfs-no-default-logfile-if-daemonize.patch

@@ -9,7 +9,7 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 11 insertions(+), 4 deletions(-)
 
 diff --git a/block/gluster.c b/block/gluster.c
-index 4f1448e2bc..715f06394c 100644
+index 7c90f7ba4b..2e03102f00 100644
 --- a/block/gluster.c
 +++ b/block/gluster.c
 @@ -42,7 +42,7 @@

debian/patches/pve/0005-PVE-Config-smm_available-false.patch

@@ -1,24 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Alexandre Derumier <aderumier@odiso.com>
-Date: Mon, 6 Apr 2020 12:16:34 +0200
-Subject: [PATCH] PVE: [Config] smm_available = false
-
-Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
-Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
----
- hw/i386/x86.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/hw/i386/x86.c b/hw/i386/x86.c
-index 5944fc44ed..31b481b4e9 100644
---- a/hw/i386/x86.c
-+++ b/hw/i386/x86.c
-@@ -1115,7 +1115,7 @@ bool x86_machine_is_smm_enabled(const X86MachineState *x86ms)
-     if (tcg_enabled() || qtest_enabled()) {
-         smm_available = true;
-     } else if (kvm_enabled()) {
--        smm_available = kvm_has_smm();
-+        smm_available = false;
-     }
- 
-     if (smm_available) {

debian/patches/pve/0006-PVE-Config-rbd-block-rbd-disable-rbd_cache_writethro.patch

@@ -18,10 +18,10 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 2 insertions(+)
 
 diff --git a/block/rbd.c b/block/rbd.c
-index 9bd2bce716..c7195a2342 100644
+index f826410f40..64a8d7d48b 100644
 --- a/block/rbd.c
 +++ b/block/rbd.c
-@@ -609,6 +609,8 @@ static int qemu_rbd_connect(rados_t *cluster, rados_ioctx_t *io_ctx,
+@@ -820,6 +820,8 @@ static int qemu_rbd_connect(rados_t *cluster, rados_ioctx_t *io_ctx,
          rados_conf_set(*cluster, "rbd_cache", "false");
      }
  

debian/patches/pve/0007-PVE-Up-qmp-add-get_link_status.patch

@@ -4,17 +4,19 @@ Date: Mon, 6 Apr 2020 12:16:37 +0200
 Subject: [PATCH] PVE: [Up] qmp: add get_link_status
 
 Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+[FE: add get_link_status to command name exceptions]
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
 ---
  net/net.c        | 27 +++++++++++++++++++++++++++
  qapi/net.json    | 15 +++++++++++++++
- qapi/pragma.json |  1 +
- 3 files changed, 43 insertions(+)
+ qapi/pragma.json |  2 ++
+ 3 files changed, 44 insertions(+)
 
 diff --git a/net/net.c b/net/net.c
-index 6a2c3d9567..a1e9514fb8 100644
+index 840ad9dca5..28e97c5d85 100644
 --- a/net/net.c
 +++ b/net/net.c
-@@ -1277,6 +1277,33 @@ void hmp_info_network(Monitor *mon, const QDict *qdict)
+@@ -1372,6 +1372,33 @@ void hmp_info_network(Monitor *mon, const QDict *qdict)
      }
  }
  
@@ -49,10 +51,10 @@ index 6a2c3d9567..a1e9514fb8 100644
  {
      NetClientState *nc;
 diff --git a/qapi/net.json b/qapi/net.json
-index a3a1336001..b8092c4e20 100644
+index 522ac582ed..327d7c5a37 100644
 --- a/qapi/net.json
 +++ b/qapi/net.json
-@@ -35,6 +35,21 @@
+@@ -36,6 +36,21 @@
  ##
  { 'command': 'set_link', 'data': {'name': 'str', 'up': 'bool'} }
  
@@ -75,14 +77,22 @@ index a3a1336001..b8092c4e20 100644
  # @netdev_add:
  #
 diff --git a/qapi/pragma.json b/qapi/pragma.json
-index cffae27666..5a3e3de95f 100644
+index 7f810b0e97..29233db825 100644
 --- a/qapi/pragma.json
 +++ b/qapi/pragma.json
-@@ -5,6 +5,7 @@
- { 'pragma': {
-     # Commands allowed to return a non-dictionary:
-     'returns-whitelist': [
-+	'get_link_status',
+@@ -15,6 +15,7 @@
+         'device_add',
+         'device_del',
+         'expire_password',
++        'get_link_status',
+         'migrate_cancel',
+         'netdev_add',
+         'netdev_del',
+@@ -26,6 +27,7 @@
+         'system_wakeup' ],
+     # Commands allowed to return a non-dictionary
+     'command-returns-exceptions': [
++        'get_link_status',
          'human-monitor-command',
          'qom-get',
-         'query-migrate-cache-size',
+         'query-tpm-models',

debian/patches/pve/0008-PVE-Up-glusterfs-allow-partial-reads.patch

@@ -16,7 +16,7 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 9 insertions(+), 1 deletion(-)
 
 diff --git a/block/gluster.c b/block/gluster.c
-index 715f06394c..6d02170d9b 100644
+index 2e03102f00..7886c5fe8c 100644
 --- a/block/gluster.c
 +++ b/block/gluster.c
 @@ -57,6 +57,7 @@ typedef struct GlusterAIOCB {
@@ -27,7 +27,7 @@ index 715f06394c..6d02170d9b 100644
  } GlusterAIOCB;
  
  typedef struct BDRVGlusterState {
-@@ -759,8 +760,10 @@ static void gluster_finish_aiocb(struct glfs_fd *fd, ssize_t ret,
+@@ -752,8 +753,10 @@ static void gluster_finish_aiocb(struct glfs_fd *fd, ssize_t ret,
          acb->ret = 0; /* Success */
      } else if (ret < 0) {
          acb->ret = -errno; /* Read/Write failed */
@@ -39,15 +39,15 @@ index 715f06394c..6d02170d9b 100644
      }
  
      aio_co_schedule(acb->aio_context, acb->coroutine);
-@@ -1028,6 +1031,7 @@ static coroutine_fn int qemu_gluster_co_pwrite_zeroes(BlockDriverState *bs,
+@@ -1022,6 +1025,7 @@ static coroutine_fn int qemu_gluster_co_pwrite_zeroes(BlockDriverState *bs,
      acb.ret = 0;
      acb.coroutine = qemu_coroutine_self();
      acb.aio_context = bdrv_get_aio_context(bs);
 +    acb.is_write = true;
  
-     ret = glfs_zerofill_async(s->fd, offset, size, gluster_finish_aiocb, &acb);
+     ret = glfs_zerofill_async(s->fd, offset, bytes, gluster_finish_aiocb, &acb);
      if (ret < 0) {
-@@ -1209,9 +1213,11 @@ static coroutine_fn int qemu_gluster_co_rw(BlockDriverState *bs,
+@@ -1203,9 +1207,11 @@ static coroutine_fn int qemu_gluster_co_rw(BlockDriverState *bs,
      acb.aio_context = bdrv_get_aio_context(bs);
  
      if (write) {
@@ -59,7 +59,7 @@ index 715f06394c..6d02170d9b 100644
          ret = glfs_preadv_async(s->fd, qiov->iov, qiov->niov, offset, 0,
                                  gluster_finish_aiocb, &acb);
      }
-@@ -1275,6 +1281,7 @@ static coroutine_fn int qemu_gluster_co_flush_to_disk(BlockDriverState *bs)
+@@ -1268,6 +1274,7 @@ static coroutine_fn int qemu_gluster_co_flush_to_disk(BlockDriverState *bs)
      acb.ret = 0;
      acb.coroutine = qemu_coroutine_self();
      acb.aio_context = bdrv_get_aio_context(bs);
@@ -67,11 +67,11 @@ index 715f06394c..6d02170d9b 100644
  
      ret = glfs_fsync_async(s->fd, gluster_finish_aiocb, &acb);
      if (ret < 0) {
-@@ -1321,6 +1328,7 @@ static coroutine_fn int qemu_gluster_co_pdiscard(BlockDriverState *bs,
+@@ -1316,6 +1323,7 @@ static coroutine_fn int qemu_gluster_co_pdiscard(BlockDriverState *bs,
      acb.ret = 0;
      acb.coroutine = qemu_coroutine_self();
      acb.aio_context = bdrv_get_aio_context(bs);
 +    acb.is_write = true;
  
-     ret = glfs_discard_async(s->fd, offset, size, gluster_finish_aiocb, &acb);
+     ret = glfs_discard_async(s->fd, offset, bytes, gluster_finish_aiocb, &acb);
      if (ret < 0) {

debian/patches/pve/0009-PVE-Up-qemu-img-return-success-on-info-without-snaps.patch

@@ -9,10 +9,10 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 2 insertions(+), 1 deletion(-)
 
 diff --git a/qemu-img.c b/qemu-img.c
-index f9050bfaad..7e6666b5f7 100644
+index a9b3a8103c..0bc9f1af59 100644
 --- a/qemu-img.c
 +++ b/qemu-img.c
-@@ -3022,7 +3022,8 @@ static int img_info(int argc, char **argv)
+@@ -3013,7 +3013,8 @@ static int img_info(int argc, char **argv)
      list = collect_image_info_list(image_opts, filename, fmt, chain,
                                     force_share);
      if (!list) {

debian/patches/pve/0010-PVE-Up-qemu-img-dd-add-osize-and-read-from-to-stdin-.patch

@@ -31,13 +31,14 @@ override the output file's size.
 
 Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
 Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
 ---
  qemu-img-cmds.hx |   4 +-
- qemu-img.c       | 191 +++++++++++++++++++++++++++++------------------
- 2 files changed, 121 insertions(+), 74 deletions(-)
+ qemu-img.c       | 202 ++++++++++++++++++++++++++++++-----------------
+ 2 files changed, 133 insertions(+), 73 deletions(-)
 
 diff --git a/qemu-img-cmds.hx b/qemu-img-cmds.hx
-index b3620f29e5..e70ef3dc91 100644
+index 1b1dab5b17..d1616c045a 100644
 --- a/qemu-img-cmds.hx
 +++ b/qemu-img-cmds.hx
 @@ -58,9 +58,9 @@ SRST
@@ -53,10 +54,10 @@ index b3620f29e5..e70ef3dc91 100644
  
  DEF("info", img_info,
 diff --git a/qemu-img.c b/qemu-img.c
-index 7e6666b5f7..44cf942bd2 100644
+index 0bc9f1af59..221b9d6a16 100644
 --- a/qemu-img.c
 +++ b/qemu-img.c
-@@ -4897,10 +4897,12 @@ static int img_bitmap(int argc, char **argv)
+@@ -4829,10 +4829,12 @@ static int img_bitmap(int argc, char **argv)
  #define C_IF      04
  #define C_OF      010
  #define C_SKIP    020
@@ -69,7 +70,7 @@ index 7e6666b5f7..44cf942bd2 100644
  };
  
  struct DdIo {
-@@ -4976,6 +4978,19 @@ static int img_dd_skip(const char *arg,
+@@ -4908,6 +4910,19 @@ static int img_dd_skip(const char *arg,
      return 0;
  }
  
@@ -89,7 +90,7 @@ index 7e6666b5f7..44cf942bd2 100644
  static int img_dd(int argc, char **argv)
  {
      int ret = 0;
-@@ -5016,6 +5031,7 @@ static int img_dd(int argc, char **argv)
+@@ -4948,6 +4963,7 @@ static int img_dd(int argc, char **argv)
          { "if", img_dd_if, C_IF },
          { "of", img_dd_of, C_OF },
          { "skip", img_dd_skip, C_SKIP },
@@ -97,7 +98,7 @@ index 7e6666b5f7..44cf942bd2 100644
          { NULL, NULL, 0 }
      };
      const struct option long_options[] = {
-@@ -5094,8 +5110,13 @@ static int img_dd(int argc, char **argv)
+@@ -5023,91 +5039,112 @@ static int img_dd(int argc, char **argv)
          arg = NULL;
      }
  
@@ -105,53 +106,30 @@ index 7e6666b5f7..44cf942bd2 100644
 -        error_report("Must specify both input and output files");
 +    if (!(dd.flags & C_IF) && (!fmt || strcmp(fmt, "raw") != 0)) {
 +        error_report("Input format must be raw when readin from stdin");
-+        ret = -1;
-+        goto out;
-+    }
+         ret = -1;
+         goto out;
+     }
+-
+-    blk1 = img_open(image_opts, in.filename, fmt, 0, false, false,
+-                    force_share);
+-
+-    if (!blk1) {
 +    if (!(dd.flags & C_OF) && strcmp(out_fmt, "raw") != 0) {
 +        error_report("Output format must be raw when writing to stdout");
          ret = -1;
          goto out;
      }
-@@ -5107,85 +5128,101 @@ static int img_dd(int argc, char **argv)
-         goto out;
-     }
- 
--    blk1 = img_open(image_opts, in.filename, fmt, 0, false, false,
--                    force_share);
-+    if (dd.flags & C_IF) {
-+        blk1 = img_open(image_opts, in.filename, fmt, 0, false, false,
-+                        force_share);
- 
--    if (!blk1) {
--        ret = -1;
--        goto out;
-+        if (!blk1) {
-+            ret = -1;
-+            goto out;
-+        }
-     }
  
 -    drv = bdrv_find_format(out_fmt);
 -    if (!drv) {
 -        error_report("Unknown file format");
-+    if (dd.flags & C_OSIZE) {
-+        size = dd.osize;
-+    } else if (dd.flags & C_IF) {
-+        size = blk_getlength(blk1);
-+        if (size < 0) {
-+            error_report("Failed to get size for '%s'", in.filename);
-+            ret = -1;
-+            goto out;
-+        }
-+    } else if (dd.flags & C_COUNT) {
-+        size = dd.count * in.bsz;
-+    } else {
-+        error_report("Output size must be known when reading from stdin");
-         ret = -1;
-         goto out;
-     }
+-        ret = -1;
+-        goto out;
+-    }
 -    proto_drv = bdrv_find_protocol(out.filename, true, &local_err);
++    if (dd.flags & C_IF) {
++        blk1 = img_open(image_opts, in.filename, fmt, 0, false, false,
++                        force_share);
  
 -    if (!proto_drv) {
 -        error_report_err(local_err);
@@ -169,14 +147,50 @@ index 7e6666b5f7..44cf942bd2 100644
 -                     proto_drv->format_name);
 -        ret = -1;
 -        goto out;
-+    if (!(dd.flags & C_OSIZE) && dd.flags & C_COUNT && dd.count <= INT64_MAX / in.bsz &&
-+        dd.count * in.bsz < size) {
-+        size = dd.count * in.bsz;
++        if (!blk1) {
++            ret = -1;
++            goto out;
++        }
      }
 -    create_opts = qemu_opts_append(create_opts, drv->create_opts);
 -    create_opts = qemu_opts_append(create_opts, proto_drv->create_opts);
- 
+-
 -    opts = qemu_opts_create(create_opts, NULL, 0, &error_abort);
+ 
+-    size = blk_getlength(blk1);
+-    if (size < 0) {
+-        error_report("Failed to get size for '%s'", in.filename);
++    if (dd.flags & C_OSIZE) {
++        size = dd.osize;
++    } else if (dd.flags & C_IF) {
++        size = blk_getlength(blk1);
++        if (size < 0) {
++            error_report("Failed to get size for '%s'", in.filename);
++            ret = -1;
++            goto out;
++        }
++    } else if (dd.flags & C_COUNT) {
++        size = dd.count * in.bsz;
++    } else {
++        error_report("Output size must be known when reading from stdin");
+         ret = -1;
+         goto out;
+     }
+ 
+-    if (dd.flags & C_COUNT && dd.count <= INT64_MAX / in.bsz &&
++    if (!(dd.flags & C_OSIZE) && dd.flags & C_COUNT && dd.count <= INT64_MAX / in.bsz &&
+         dd.count * in.bsz < size) {
+         size = dd.count * in.bsz;
+     }
+ 
+-    /* Overflow means the specified offset is beyond input image's size */
+-    if (dd.flags & C_SKIP && (in.offset > INT64_MAX / in.bsz ||
+-                              size < in.bsz * in.offset)) {
+-        qemu_opt_set_number(opts, BLOCK_OPT_SIZE, 0, &error_abort);
+-    } else {
+-        qemu_opt_set_number(opts, BLOCK_OPT_SIZE,
+-                            size - in.bsz * in.offset, &error_abort);
+-    }
 +    if (dd.flags & C_OF) {
 +        drv = bdrv_find_format(out_fmt);
 +        if (!drv) {
@@ -186,9 +200,11 @@ index 7e6666b5f7..44cf942bd2 100644
 +        }
 +        proto_drv = bdrv_find_protocol(out.filename, true, &local_err);
  
--    size = blk_getlength(blk1);
--    if (size < 0) {
--        error_report("Failed to get size for '%s'", in.filename);
+-    ret = bdrv_create(drv, out.filename, opts, &local_err);
+-    if (ret < 0) {
+-        error_reportf_err(local_err,
+-                          "%s: error while creating output image: ",
+-                          out.filename);
 -        ret = -1;
 -        goto out;
 -    }
@@ -212,20 +228,18 @@ index 7e6666b5f7..44cf942bd2 100644
 +        create_opts = qemu_opts_append(create_opts, drv->create_opts);
 +        create_opts = qemu_opts_append(create_opts, proto_drv->create_opts);
  
--    if (dd.flags & C_COUNT && dd.count <= INT64_MAX / in.bsz &&
--        dd.count * in.bsz < size) {
--        size = dd.count * in.bsz;
--    }
+-    /* TODO, we can't honour --image-opts for the target,
+-     * since it needs to be given in a format compatible
+-     * with the bdrv_create() call above which does not
+-     * support image-opts style.
+-     */
+-    blk2 = img_open_file(out.filename, NULL, out_fmt, BDRV_O_RDWR,
+-                         false, false, false);
 +        opts = qemu_opts_create(create_opts, NULL, 0, &error_abort);
  
--    /* Overflow means the specified offset is beyond input image's size */
--    if (dd.flags & C_SKIP && (in.offset > INT64_MAX / in.bsz ||
--                              size < in.bsz * in.offset)) {
--        qemu_opt_set_number(opts, BLOCK_OPT_SIZE, 0, &error_abort);
--    } else {
--        qemu_opt_set_number(opts, BLOCK_OPT_SIZE,
--                            size - in.bsz * in.offset, &error_abort);
--    }
+-    if (!blk2) {
+-        ret = -1;
+-        goto out;
 +        /* Overflow means the specified offset is beyond input image's size */
 +        if (dd.flags & C_OSIZE) {
 +            qemu_opt_set_number(opts, BLOCK_OPT_SIZE, size, &error_abort);
@@ -236,15 +250,7 @@ index 7e6666b5f7..44cf942bd2 100644
 +            qemu_opt_set_number(opts, BLOCK_OPT_SIZE,
 +                                size - in.bsz * in.offset, &error_abort);
 +        }
- 
--    ret = bdrv_create(drv, out.filename, opts, &local_err);
--    if (ret < 0) {
--        error_reportf_err(local_err,
--                          "%s: error while creating output image: ",
--                          out.filename);
--        ret = -1;
--        goto out;
--    }
++
 +        ret = bdrv_create(drv, out.filename, opts, &local_err);
 +        if (ret < 0) {
 +            error_reportf_err(local_err,
@@ -253,14 +259,7 @@ index 7e6666b5f7..44cf942bd2 100644
 +            ret = -1;
 +            goto out;
 +        }
- 
--    /* TODO, we can't honour --image-opts for the target,
--     * since it needs to be given in a format compatible
--     * with the bdrv_create() call above which does not
--     * support image-opts style.
--     */
--    blk2 = img_open_file(out.filename, NULL, out_fmt, BDRV_O_RDWR,
--                         false, false, false);
++
 +        /* TODO, we can't honour --image-opts for the target,
 +         * since it needs to be given in a format compatible
 +         * with the bdrv_create() call above which does not
@@ -268,10 +267,7 @@ index 7e6666b5f7..44cf942bd2 100644
 +         */
 +        blk2 = img_open_file(out.filename, NULL, out_fmt, BDRV_O_RDWR,
 +                             false, false, false);
- 
--    if (!blk2) {
--        ret = -1;
--        goto out;
++
 +        if (!blk2) {
 +            ret = -1;
 +            goto out;
@@ -279,41 +275,54 @@ index 7e6666b5f7..44cf942bd2 100644
      }
  
      if (dd.flags & C_SKIP && (in.offset > INT64_MAX / in.bsz ||
-@@ -5203,11 +5240,17 @@ static int img_dd(int argc, char **argv)
+@@ -5124,20 +5161,43 @@ static int img_dd(int argc, char **argv)
+     in.buf = g_new(uint8_t, in.bsz);
  
-     for (out_pos = 0; in_pos < size; block_count++) {
-         int in_ret, out_ret;
+     for (out_pos = 0; in_pos < size; ) {
++        int in_ret, out_ret;
+         int bytes = (in_pos + in.bsz > size) ? size - in_pos : in.bsz;
 -
--        if (in_pos + in.bsz > size) {
--            in_ret = blk_pread(blk1, in_pos, in.buf, size - in_pos);
-+        size_t in_bsz = in_pos + in.bsz > size ? size - in_pos : in.bsz;
+-        ret = blk_pread(blk1, in_pos, bytes, in.buf, 0);
+-        if (ret < 0) {
 +        if (blk1) {
-+            in_ret = blk_pread(blk1, in_pos, in.buf, in_bsz);
-         } else {
--            in_ret = blk_pread(blk1, in_pos, in.buf, in.bsz);
-+            in_ret = read(STDIN_FILENO, in.buf, in_bsz);
++            in_ret = blk_pread(blk1, in_pos, bytes, in.buf, 0);
++            if (in_ret == 0) {
++                in_ret = bytes;
++            }
++        } else {
++            in_ret = read(STDIN_FILENO, in.buf, bytes);
 +            if (in_ret == 0) {
 +                /* early EOF is considered an error */
 +                error_report("Input ended unexpectedly");
 +                ret = -1;
 +                goto out;
 +            }
-         }
-         if (in_ret < 0) {
++        }
++        if (in_ret < 0) {
              error_report("error while reading from input image file: %s",
-@@ -5217,9 +5260,13 @@ static int img_dd(int argc, char **argv)
+-                         strerror(-ret));
++                         strerror(-in_ret));
++            ret = -1;
+             goto out;
          }
-         in_pos += in_ret;
+         in_pos += bytes;
  
--        out_ret = blk_pwrite(blk2, out_pos, in.buf, in_ret, 0);
+-        ret = blk_pwrite(blk2, out_pos, bytes, in.buf, 0);
+-        if (ret < 0) {
 +        if (blk2) {
-+            out_ret = blk_pwrite(blk2, out_pos, in.buf, in_ret, 0);
++            out_ret = blk_pwrite(blk2, out_pos, in_ret, in.buf, 0);
++            if (out_ret == 0) {
++                out_ret = in_ret;
++            }
 +        } else {
 +            out_ret = write(STDOUT_FILENO, in.buf, in_ret);
 +        }
- 
--        if (out_ret < 0) {
++
 +        if (out_ret != in_ret) {
              error_report("error while writing to output image file: %s",
-                          strerror(-out_ret));
-             ret = -1;
+-                         strerror(-ret));
++                         strerror(-out_ret));
++            ret = -1;
+             goto out;
+         }
+         out_pos += bytes;

debian/patches/pve/0011-PVE-Up-qemu-img-dd-add-isize-parameter.patch

@@ -10,15 +10,16 @@ an expected end of input.
 
 Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
 Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
 ---
  qemu-img.c | 28 +++++++++++++++++++++++++---
  1 file changed, 25 insertions(+), 3 deletions(-)
 
 diff --git a/qemu-img.c b/qemu-img.c
-index 44cf942bd2..5ce60e8a45 100644
+index 221b9d6a16..c1306385a8 100644
 --- a/qemu-img.c
 +++ b/qemu-img.c
-@@ -4898,11 +4898,13 @@ static int img_bitmap(int argc, char **argv)
+@@ -4830,11 +4830,13 @@ static int img_bitmap(int argc, char **argv)
  #define C_OF      010
  #define C_SKIP    020
  #define C_OSIZE   040
@@ -32,7 +33,7 @@ index 44cf942bd2..5ce60e8a45 100644
  };
  
  struct DdIo {
-@@ -4991,6 +4993,19 @@ static int img_dd_osize(const char *arg,
+@@ -4923,6 +4925,19 @@ static int img_dd_osize(const char *arg,
      return 0;
  }
  
@@ -52,13 +53,13 @@ index 44cf942bd2..5ce60e8a45 100644
  static int img_dd(int argc, char **argv)
  {
      int ret = 0;
-@@ -5005,12 +5020,14 @@ static int img_dd(int argc, char **argv)
+@@ -4937,12 +4952,14 @@ static int img_dd(int argc, char **argv)
      int c, i;
      const char *out_fmt = "raw";
      const char *fmt = NULL;
 -    int64_t size = 0;
 +    int64_t size = 0, readsize = 0;
-     int64_t block_count = 0, out_pos, in_pos;
+     int64_t out_pos, in_pos;
      bool force_share = false;
      struct DdInfo dd = {
          .flags = 0,
@@ -68,7 +69,7 @@ index 44cf942bd2..5ce60e8a45 100644
      };
      struct DdIo in = {
          .bsz = 512, /* Block size is by default 512 bytes */
-@@ -5032,6 +5049,7 @@ static int img_dd(int argc, char **argv)
+@@ -4964,6 +4981,7 @@ static int img_dd(int argc, char **argv)
          { "of", img_dd_of, C_OF },
          { "skip", img_dd_skip, C_SKIP },
          { "osize", img_dd_osize, C_OSIZE },
@@ -76,20 +77,22 @@ index 44cf942bd2..5ce60e8a45 100644
          { NULL, NULL, 0 }
      };
      const struct option long_options[] = {
-@@ -5238,14 +5256,18 @@ static int img_dd(int argc, char **argv)
+@@ -5160,9 +5178,10 @@ static int img_dd(int argc, char **argv)
  
      in.buf = g_new(uint8_t, in.bsz);
  
--    for (out_pos = 0; in_pos < size; block_count++) {
+-    for (out_pos = 0; in_pos < size; ) {
 +    readsize = (dd.isize > 0) ? dd.isize : size;
-+    for (out_pos = 0; in_pos < readsize; block_count++) {
++    for (out_pos = 0; in_pos < readsize; ) {
          int in_ret, out_ret;
--        size_t in_bsz = in_pos + in.bsz > size ? size - in_pos : in.bsz;
-+        size_t in_bsz = in_pos + in.bsz > readsize ? readsize - in_pos : in.bsz;
+-        int bytes = (in_pos + in.bsz > size) ? size - in_pos : in.bsz;
++        int bytes = (in_pos + in.bsz > readsize) ? readsize - in_pos : in.bsz;
          if (blk1) {
-             in_ret = blk_pread(blk1, in_pos, in.buf, in_bsz);
+             in_ret = blk_pread(blk1, in_pos, bytes, in.buf, 0);
+             if (in_ret == 0) {
+@@ -5171,6 +5190,9 @@ static int img_dd(int argc, char **argv)
          } else {
-             in_ret = read(STDIN_FILENO, in.buf, in_bsz);
+             in_ret = read(STDIN_FILENO, in.buf, bytes);
              if (in_ret == 0) {
 +                if (dd.isize == 0) {
 +                    goto out;

debian/patches/pve/0012-PVE-Up-qemu-img-dd-add-n-skip_create.patch

@@ -0,0 +1,121 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Alexandre Derumier <aderumier@odiso.com>
+Date: Mon, 6 Apr 2020 12:16:42 +0200
+Subject: [PATCH] PVE: [Up] qemu-img dd: add -n skip_create
+
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+[FE: fix getopt-string + add documentation]
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ docs/tools/qemu-img.rst | 11 ++++++++++-
+ qemu-img-cmds.hx        |  4 ++--
+ qemu-img.c              | 23 ++++++++++++++---------
+ 3 files changed, 26 insertions(+), 12 deletions(-)
+
+diff --git a/docs/tools/qemu-img.rst b/docs/tools/qemu-img.rst
+index 15aeddc6d8..5e713e231d 100644
+--- a/docs/tools/qemu-img.rst
++++ b/docs/tools/qemu-img.rst
+@@ -208,6 +208,10 @@ Parameters to convert subcommand:
+ 
+ Parameters to dd subcommand:
+ 
++.. option:: -n
++
++  Skip the creation of the target volume
++
+ .. program:: qemu-img-dd
+ 
+ .. option:: bs=BLOCK_SIZE
+@@ -488,7 +492,7 @@ Command description:
+   it doesn't need to be specified separately in this case.
+ 
+ 
+-.. option:: dd [--image-opts] [-U] [-f FMT] [-O OUTPUT_FMT] [bs=BLOCK_SIZE] [count=BLOCKS] [skip=BLOCKS] if=INPUT of=OUTPUT
++.. option:: dd [--image-opts] [-U] [-f FMT] [-O OUTPUT_FMT] [-n] [bs=BLOCK_SIZE] [count=BLOCKS] [skip=BLOCKS] if=INPUT of=OUTPUT
+ 
+   dd copies from *INPUT* file to *OUTPUT* file converting it from
+   *FMT* format to *OUTPUT_FMT* format.
+@@ -499,6 +503,11 @@ Command description:
+ 
+   The size syntax is similar to :manpage:`dd(1)`'s size syntax.
+ 
++  If the ``-n`` option is specified, the target volume creation will be
++  skipped. This is useful for formats such as ``rbd`` if the target
++  volume has already been created with site specific options that cannot
++  be supplied through ``qemu-img``.
++
+ .. option:: info [--object OBJECTDEF] [--image-opts] [-f FMT] [--output=OFMT] [--backing-chain] [-U] FILENAME
+ 
+   Give information about the disk image *FILENAME*. Use it in
+diff --git a/qemu-img-cmds.hx b/qemu-img-cmds.hx
+index d1616c045a..b5b0bb4467 100644
+--- a/qemu-img-cmds.hx
++++ b/qemu-img-cmds.hx
+@@ -58,9 +58,9 @@ SRST
+ ERST
+ 
+ DEF("dd", img_dd,
+-    "dd [--image-opts] [-U] [-f fmt] [-O output_fmt] [bs=block_size] [count=blocks] [skip=blocks] [osize=output_size] if=input of=output")
++    "dd [--image-opts] [-U] [-f fmt] [-O output_fmt] [-n] [bs=block_size] [count=blocks] [skip=blocks] [osize=output_size] if=input of=output")
+ SRST
+-.. option:: dd [--image-opts] [-U] [-f FMT] [-O OUTPUT_FMT] [bs=BLOCK_SIZE] [count=BLOCKS] [skip=BLOCKS] [osize=OUTPUT_SIZE] if=INPUT of=OUTPUT
++.. option:: dd [--image-opts] [-U] [-f FMT] [-O OUTPUT_FMT] [-n] [bs=BLOCK_SIZE] [count=BLOCKS] [skip=BLOCKS] [osize=OUTPUT_SIZE] if=INPUT of=OUTPUT
+ ERST
+ 
+ DEF("info", img_info,
+diff --git a/qemu-img.c b/qemu-img.c
+index c1306385a8..59c403373b 100644
+--- a/qemu-img.c
++++ b/qemu-img.c
+@@ -4954,7 +4954,7 @@ static int img_dd(int argc, char **argv)
+     const char *fmt = NULL;
+     int64_t size = 0, readsize = 0;
+     int64_t out_pos, in_pos;
+-    bool force_share = false;
++    bool force_share = false, skip_create = false;
+     struct DdInfo dd = {
+         .flags = 0,
+         .count = 0,
+@@ -4992,7 +4992,7 @@ static int img_dd(int argc, char **argv)
+         { 0, 0, 0, 0 }
+     };
+ 
+-    while ((c = getopt_long(argc, argv, ":hf:O:U", long_options, NULL))) {
++    while ((c = getopt_long(argc, argv, ":hf:O:Un", long_options, NULL))) {
+         if (c == EOF) {
+             break;
+         }
+@@ -5012,6 +5012,9 @@ static int img_dd(int argc, char **argv)
+         case 'h':
+             help();
+             break;
++        case 'n':
++            skip_create = true;
++            break;
+         case 'U':
+             force_share = true;
+             break;
+@@ -5142,13 +5145,15 @@ static int img_dd(int argc, char **argv)
+                                 size - in.bsz * in.offset, &error_abort);
+         }
+ 
+-        ret = bdrv_create(drv, out.filename, opts, &local_err);
+-        if (ret < 0) {
+-            error_reportf_err(local_err,
+-                              "%s: error while creating output image: ",
+-                              out.filename);
+-            ret = -1;
+-            goto out;
++        if (!skip_create) {
++            ret = bdrv_create(drv, out.filename, opts, &local_err);
++            if (ret < 0) {
++                error_reportf_err(local_err,
++                                  "%s: error while creating output image: ",
++                                  out.filename);
++                ret = -1;
++                goto out;
++            }
+         }
+ 
+         /* TODO, we can't honour --image-opts for the target,

debian/patches/pve/0013-PVE-Up-qemu-img-dd-add-n-skip_create.patch

@@ -1,65 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Alexandre Derumier <aderumier@odiso.com>
-Date: Mon, 6 Apr 2020 12:16:42 +0200
-Subject: [PATCH] PVE: [Up] qemu-img dd: add -n skip_create
-
-Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
----
- qemu-img.c | 23 ++++++++++++++---------
- 1 file changed, 14 insertions(+), 9 deletions(-)
-
-diff --git a/qemu-img.c b/qemu-img.c
-index 5ce60e8a45..86bfd0288b 100644
---- a/qemu-img.c
-+++ b/qemu-img.c
-@@ -5022,7 +5022,7 @@ static int img_dd(int argc, char **argv)
-     const char *fmt = NULL;
-     int64_t size = 0, readsize = 0;
-     int64_t block_count = 0, out_pos, in_pos;
--    bool force_share = false;
-+    bool force_share = false, skip_create = false;
-     struct DdInfo dd = {
-         .flags = 0,
-         .count = 0,
-@@ -5060,7 +5060,7 @@ static int img_dd(int argc, char **argv)
-         { 0, 0, 0, 0 }
-     };
- 
--    while ((c = getopt_long(argc, argv, ":hf:O:U", long_options, NULL))) {
-+    while ((c = getopt_long(argc, argv, ":hf:O:U:n", long_options, NULL))) {
-         if (c == EOF) {
-             break;
-         }
-@@ -5080,6 +5080,9 @@ static int img_dd(int argc, char **argv)
-         case 'h':
-             help();
-             break;
-+        case 'n':
-+            skip_create = true;
-+            break;
-         case 'U':
-             force_share = true;
-             break;
-@@ -5220,13 +5223,15 @@ static int img_dd(int argc, char **argv)
-                                 size - in.bsz * in.offset, &error_abort);
-         }
- 
--        ret = bdrv_create(drv, out.filename, opts, &local_err);
--        if (ret < 0) {
--            error_reportf_err(local_err,
--                              "%s: error while creating output image: ",
--                              out.filename);
--            ret = -1;
--            goto out;
-+        if (!skip_create) {
-+            ret = bdrv_create(drv, out.filename, opts, &local_err);
-+            if (ret < 0) {
-+                error_reportf_err(local_err,
-+                                  "%s: error while creating output image: ",
-+                                  out.filename);
-+                ret = -1;
-+                goto out;
-+            }
-         }
- 
-         /* TODO, we can't honour --image-opts for the target,

debian/patches/pve/0013-PVE-virtio-balloon-improve-query-balloon.patch

@@ -7,17 +7,20 @@ Actually provide memory information via the query-balloon
 command.
 
 Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+[FE: add BalloonInfo to member name exceptions list]
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
 ---
  hw/virtio/virtio-balloon.c | 33 +++++++++++++++++++++++++++++++--
  monitor/hmp-cmds.c         | 30 +++++++++++++++++++++++++++++-
  qapi/machine.json          | 22 +++++++++++++++++++++-
- 3 files changed, 81 insertions(+), 4 deletions(-)
+ qapi/pragma.json           |  1 +
+ 4 files changed, 82 insertions(+), 4 deletions(-)
 
 diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
-index b22b5beda3..6e581439bf 100644
+index 73ac5eb675..bbfe7eca62 100644
 --- a/hw/virtio/virtio-balloon.c
 +++ b/hw/virtio/virtio-balloon.c
-@@ -805,8 +805,37 @@ static uint64_t virtio_balloon_get_features(VirtIODevice *vdev, uint64_t f,
+@@ -806,8 +806,37 @@ static uint64_t virtio_balloon_get_features(VirtIODevice *vdev, uint64_t f,
  static void virtio_balloon_stat(void *opaque, BalloonInfo *info)
  {
      VirtIOBalloon *dev = opaque;
@@ -58,10 +61,10 @@ index b22b5beda3..6e581439bf 100644
  
  static void virtio_balloon_to_target(void *opaque, ram_addr_t target)
 diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c
-index 65d8ff4849..705f08a8f1 100644
+index 01b789a79e..480b798963 100644
 --- a/monitor/hmp-cmds.c
 +++ b/monitor/hmp-cmds.c
-@@ -695,7 +695,35 @@ void hmp_info_balloon(Monitor *mon, const QDict *qdict)
+@@ -696,7 +696,35 @@ void hmp_info_balloon(Monitor *mon, const QDict *qdict)
          return;
      }
  
@@ -99,10 +102,10 @@ index 65d8ff4849..705f08a8f1 100644
      qapi_free_BalloonInfo(info);
  }
 diff --git a/qapi/machine.json b/qapi/machine.json
-index 7c9a263778..3e59199280 100644
+index b9228a5e46..10e77a9af3 100644
 --- a/qapi/machine.json
 +++ b/qapi/machine.json
-@@ -1205,10 +1205,30 @@
+@@ -1054,9 +1054,29 @@
  # @actual: the logical size of the VM in bytes
  #          Formula used: logical_vm_size = vm_ram_size - balloon_size
  #
@@ -122,8 +125,7 @@ index 7c9a263778..3e59199280 100644
 +#
 +# @max_mem: amount of memory (in bytes) assigned to the guest
 +#
- # Since: 0.14.0
- #
+ # Since: 0.14
  ##
 -{ 'struct': 'BalloonInfo', 'data': {'actual': 'int' } }
 +{ 'struct': 'BalloonInfo',
@@ -134,3 +136,15 @@ index 7c9a263778..3e59199280 100644
  
  ##
  # @query-balloon:
+diff --git a/qapi/pragma.json b/qapi/pragma.json
+index 29233db825..f2097b9020 100644
+--- a/qapi/pragma.json
++++ b/qapi/pragma.json
+@@ -37,6 +37,7 @@
+     'member-name-exceptions': [     # visible in:
+         'ACPISlotType',             # query-acpi-ospm-status
+         'AcpiTableOptions',         # -acpitable
++        'BalloonInfo',              # query-balloon
+         'BlkdebugEvent',            # blockdev-add, -blockdev
+         'BlkdebugSetStateOptions',  # blockdev-add, -blockdev
+         'BlockDeviceInfo',          # query-block

debian/patches/pve/0014-PVE-qapi-modify-query-machines.patch

@@ -13,10 +13,10 @@ Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>
  2 files changed, 9 insertions(+), 1 deletion(-)
 
 diff --git a/hw/core/machine-qmp-cmds.c b/hw/core/machine-qmp-cmds.c
-index 5362c80a18..3fcb82ce2f 100644
+index 4f4ab30f8c..76fff60a6b 100644
 --- a/hw/core/machine-qmp-cmds.c
 +++ b/hw/core/machine-qmp-cmds.c
-@@ -234,6 +234,12 @@ MachineInfoList *qmp_query_machines(Error **errp)
+@@ -99,6 +99,12 @@ MachineInfoList *qmp_query_machines(Error **errp)
          info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
          info->numa_mem_supported = mc->numa_mem_supported;
          info->deprecated = !!mc->deprecation_reason;
@@ -30,19 +30,19 @@ index 5362c80a18..3fcb82ce2f 100644
              info->default_cpu_type = g_strdup(mc->default_cpu_type);
              info->has_default_cpu_type = true;
 diff --git a/qapi/machine.json b/qapi/machine.json
-index 3e59199280..dfc1a49d3c 100644
+index 10e77a9af3..9156103c8f 100644
 --- a/qapi/machine.json
 +++ b/qapi/machine.json
-@@ -318,6 +318,8 @@
+@@ -138,6 +138,8 @@
  #
  # @is-default: whether the machine is default
  #
 +# @is-current: whether this machine is currently used
 +#
  # @cpu-max: maximum number of CPUs supported by the machine type
- #           (since 1.5.0)
+ #           (since 1.5)
  #
-@@ -339,7 +341,7 @@
+@@ -159,7 +161,7 @@
  ##
  { 'struct': 'MachineInfo',
    'data': { 'name': 'str', '*alias': 'str',

debian/patches/pve/0015-PVE-qapi-modify-spice-query.patch

@@ -12,29 +12,29 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  2 files changed, 8 insertions(+)
 
 diff --git a/qapi/ui.json b/qapi/ui.json
-index 6c7b33cb72..39ff301d1e 100644
+index 0abba3e930..bf8f441227 100644
 --- a/qapi/ui.json
 +++ b/qapi/ui.json
-@@ -215,11 +215,14 @@
+@@ -310,11 +310,14 @@
  #
  # @channels: a list of @SpiceChannel for each active spice channel
  #
 +# @ticket: The last ticket set with set_password
 +#
- # Since: 0.14.0
+ # Since: 0.14
  ##
  { 'struct': 'SpiceInfo',
    'data': {'enabled': 'bool', 'migrated': 'bool', '*host': 'str', '*port': 'int',
             '*tls-port': 'int', '*auth': 'str', '*compiled-version': 'str',
 +           '*ticket': 'str',
             'mouse-mode': 'SpiceQueryMouseMode', '*channels': ['SpiceChannel']},
-   'if': 'defined(CONFIG_SPICE)' }
+   'if': 'CONFIG_SPICE' }
  
 diff --git a/ui/spice-core.c b/ui/spice-core.c
-index d09ee7f09e..da3d2644d1 100644
+index 37774f1c0a..367f77f2b4 100644
 --- a/ui/spice-core.c
 +++ b/ui/spice-core.c
-@@ -538,6 +538,11 @@ static SpiceInfo *qmp_query_spice_real(Error **errp)
+@@ -534,6 +534,11 @@ static SpiceInfo *qmp_query_spice_real(Error **errp)
      micro = SPICE_SERVER_VERSION & 0xff;
      info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
  

debian/patches/pve/0016-PVE-add-IOChannel-implementation-for-savevm-async.patch

@@ -0,0 +1,281 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Fiona Ebner <f.ebner@proxmox.com>
+Date: Thu, 13 Oct 2022 11:33:50 +0200
+Subject: [PATCH] PVE: add IOChannel implementation for savevm-async
+
+based on migration/channel-block.c and the implementation that was
+present in migration/savevm-async.c before QEMU 7.1.
+
+Passes along read/write requests to the given BlockBackend, while
+ensuring that a read request going beyond the end results in a
+graceful short read.
+
+Additionally, allows tracking the current position from the outside
+(intended to be used for progress tracking).
+
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ migration/channel-savevm-async.c | 182 +++++++++++++++++++++++++++++++
+ migration/channel-savevm-async.h |  51 +++++++++
+ migration/meson.build            |   1 +
+ 3 files changed, 234 insertions(+)
+ create mode 100644 migration/channel-savevm-async.c
+ create mode 100644 migration/channel-savevm-async.h
+
+diff --git a/migration/channel-savevm-async.c b/migration/channel-savevm-async.c
+new file mode 100644
+index 0000000000..06d5484778
+--- /dev/null
++++ b/migration/channel-savevm-async.c
+@@ -0,0 +1,182 @@
++/*
++ * QIO Channel implementation to be used by savevm-async QMP calls
++ */
++#include "qemu/osdep.h"
++#include "migration/channel-savevm-async.h"
++#include "qapi/error.h"
++#include "sysemu/block-backend.h"
++#include "trace.h"
++
++QIOChannelSavevmAsync *
++qio_channel_savevm_async_new(BlockBackend *be, size_t *bs_pos)
++{
++    QIOChannelSavevmAsync *ioc;
++
++    ioc = QIO_CHANNEL_SAVEVM_ASYNC(object_new(TYPE_QIO_CHANNEL_SAVEVM_ASYNC));
++
++    bdrv_ref(blk_bs(be));
++    ioc->be = be;
++    ioc->bs_pos = bs_pos;
++
++    return ioc;
++}
++
++
++static void
++qio_channel_savevm_async_finalize(Object *obj)
++{
++    QIOChannelSavevmAsync *ioc = QIO_CHANNEL_SAVEVM_ASYNC(obj);
++
++    if (ioc->be) {
++        bdrv_unref(blk_bs(ioc->be));
++        ioc->be = NULL;
++    }
++    ioc->bs_pos = NULL;
++}
++
++
++static ssize_t
++qio_channel_savevm_async_readv(QIOChannel *ioc,
++                               const struct iovec *iov,
++                               size_t niov,
++                               int **fds,
++                               size_t *nfds,
++                               Error **errp)
++{
++    QIOChannelSavevmAsync *saioc = QIO_CHANNEL_SAVEVM_ASYNC(ioc);
++    BlockBackend *be = saioc->be;
++    int64_t maxlen = blk_getlength(be);
++    QEMUIOVector qiov;
++    size_t size;
++    int ret;
++
++    qemu_iovec_init_external(&qiov, (struct iovec *)iov, niov);
++
++    if (*saioc->bs_pos >= maxlen) {
++        error_setg(errp, "cannot read beyond maxlen");
++        return -1;
++    }
++
++    if (maxlen - *saioc->bs_pos < qiov.size) {
++        size = maxlen - *saioc->bs_pos;
++    } else {
++        size = qiov.size;
++    }
++
++    // returns 0 on success
++    ret = blk_preadv(be, *saioc->bs_pos, size, &qiov, 0);
++    if (ret < 0) {
++        error_setg_errno(errp, -ret, "blk_preadv failed");
++        return -1;
++    }
++
++    *saioc->bs_pos += size;
++    return size;
++}
++
++
++static ssize_t
++qio_channel_savevm_async_writev(QIOChannel *ioc,
++                                const struct iovec *iov,
++                                size_t niov,
++                                int *fds,
++                                size_t nfds,
++                                int flags,
++                                Error **errp)
++{
++    QIOChannelSavevmAsync *saioc = QIO_CHANNEL_SAVEVM_ASYNC(ioc);
++    BlockBackend *be = saioc->be;
++    QEMUIOVector qiov;
++    int ret;
++
++    qemu_iovec_init_external(&qiov, (struct iovec *)iov, niov);
++
++    if (qemu_in_coroutine()) {
++        ret = blk_co_pwritev(be, *saioc->bs_pos, qiov.size, &qiov, 0);
++        aio_wait_kick();
++    } else {
++        ret = blk_pwritev(be, *saioc->bs_pos, qiov.size, &qiov, 0);
++    }
++
++    if (ret < 0) {
++        error_setg_errno(errp, -ret, "blk(_co)_pwritev failed");
++        return -1;
++    }
++
++    *saioc->bs_pos += qiov.size;
++    return qiov.size;
++}
++
++
++static int
++qio_channel_savevm_async_set_blocking(QIOChannel *ioc,
++                                      bool enabled,
++                                      Error **errp)
++{
++    if (!enabled) {
++        error_setg(errp, "Non-blocking mode not supported for savevm-async");
++        return -1;
++    }
++    return 0;
++}
++
++
++static int
++qio_channel_savevm_async_close(QIOChannel *ioc,
++                               Error **errp)
++{
++    QIOChannelSavevmAsync *saioc = QIO_CHANNEL_SAVEVM_ASYNC(ioc);
++    int rv = bdrv_flush(blk_bs(saioc->be));
++
++    if (rv < 0) {
++        error_setg_errno(errp, -rv, "Unable to flush VMState");
++        return -1;
++    }
++
++    bdrv_unref(blk_bs(saioc->be));
++    saioc->be = NULL;
++    saioc->bs_pos = NULL;
++
++    return 0;
++}
++
++
++static void
++qio_channel_savevm_async_set_aio_fd_handler(QIOChannel *ioc,
++                                            AioContext *ctx,
++                                            IOHandler *io_read,
++                                            IOHandler *io_write,
++                                            void *opaque)
++{
++    // if channel-block starts doing something, check if this needs adaptation
++}
++
++
++static void
++qio_channel_savevm_async_class_init(ObjectClass *klass,
++                             void *class_data G_GNUC_UNUSED)
++{
++    QIOChannelClass *ioc_klass = QIO_CHANNEL_CLASS(klass);
++
++    ioc_klass->io_writev = qio_channel_savevm_async_writev;
++    ioc_klass->io_readv = qio_channel_savevm_async_readv;
++    ioc_klass->io_set_blocking = qio_channel_savevm_async_set_blocking;
++    ioc_klass->io_close = qio_channel_savevm_async_close;
++    ioc_klass->io_set_aio_fd_handler = qio_channel_savevm_async_set_aio_fd_handler;
++}
++
++static const TypeInfo qio_channel_savevm_async_info = {
++    .parent = TYPE_QIO_CHANNEL,
++    .name = TYPE_QIO_CHANNEL_SAVEVM_ASYNC,
++    .instance_size = sizeof(QIOChannelSavevmAsync),
++    .instance_finalize = qio_channel_savevm_async_finalize,
++    .class_init = qio_channel_savevm_async_class_init,
++};
++
++static void
++qio_channel_savevm_async_register_types(void)
++{
++    type_register_static(&qio_channel_savevm_async_info);
++}
++
++type_init(qio_channel_savevm_async_register_types);
+diff --git a/migration/channel-savevm-async.h b/migration/channel-savevm-async.h
+new file mode 100644
+index 0000000000..17ae2cb261
+--- /dev/null
++++ b/migration/channel-savevm-async.h
+@@ -0,0 +1,51 @@
++/*
++ * QEMU I/O channels driver for savevm-async.c
++ *
++ * Copyright (c) 2022 Proxmox Server Solutions
++ *
++ * Authors:
++ *  Fiona Ebner (f.ebner@proxmox.com)
++ *
++ * This work is licensed under the terms of the GNU GPL, version 2 or later.
++ * See the COPYING file in the top-level directory.
++ */
++
++#ifndef QIO_CHANNEL_SAVEVM_ASYNC_H
++#define QIO_CHANNEL_SAVEVM_ASYNC_H
++
++#include "io/channel.h"
++#include "qom/object.h"
++
++#define TYPE_QIO_CHANNEL_SAVEVM_ASYNC "qio-channel-savevm-async"
++OBJECT_DECLARE_SIMPLE_TYPE(QIOChannelSavevmAsync, QIO_CHANNEL_SAVEVM_ASYNC)
++
++
++/**
++ * QIOChannelSavevmAsync:
++ *
++ * The QIOChannelBlock object provides a channel implementation that is able to
++ * perform I/O on any BlockBackend whose BlockDriverState directly contains a
++ * VMState (as opposed to indirectly, like qcow2). It allows tracking the
++ * current position from the outside.
++ */
++struct QIOChannelSavevmAsync {
++    QIOChannel parent;
++    BlockBackend *be;
++    size_t *bs_pos;
++};
++
++
++/**
++ * qio_channel_savevm_async_new:
++ * @be: the block backend
++ * @bs_pos: used to keep track of the IOChannels current position
++ *
++ * Create a new IO channel object that can perform I/O on a BlockBackend object
++ * whose BlockDriverState directly contains a VMState.
++ *
++ * Returns: the new channel object
++ */
++QIOChannelSavevmAsync *
++qio_channel_savevm_async_new(BlockBackend *be, size_t *bs_pos);
++
++#endif /* QIO_CHANNEL_SAVEVM_ASYNC_H */
+diff --git a/migration/meson.build b/migration/meson.build
+index 690487cf1a..8cac83c06c 100644
+--- a/migration/meson.build
++++ b/migration/meson.build
+@@ -13,6 +13,7 @@ softmmu_ss.add(files(
+   'block-dirty-bitmap.c',
+   'channel.c',
+   'channel-block.c',
++  'channel-savevm-async.c',
+   'colo-failover.c',
+   'colo.c',
+   'exec.c',

debian/patches/pve/0017-PVE-add-savevm-async-for-background-state-snapshots.patch

@@ -23,27 +23,31 @@ Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>
 Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
 [improve aborting]
 Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
+[FE: further improve aborting
+     adapt to removal of QEMUFileOps
+     improve condition for entering final stage]
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
 ---
  hmp-commands-info.hx         |  13 +
- hmp-commands.hx              |  33 ++
- include/migration/snapshot.h |   1 +
+ hmp-commands.hx              |  33 +++
+ include/migration/snapshot.h |   2 +
  include/monitor/hmp.h        |   5 +
  migration/meson.build        |   1 +
- migration/savevm-async.c     | 598 +++++++++++++++++++++++++++++++++++
+ migration/savevm-async.c     | 538 +++++++++++++++++++++++++++++++++++
  monitor/hmp-cmds.c           |  57 ++++
- qapi/migration.json          |  34 ++
- qapi/misc.json               |  32 ++
+ qapi/migration.json          |  34 +++
+ qapi/misc.json               |  32 +++
  qemu-options.hx              |  12 +
  softmmu/vl.c                 |  10 +
- 11 files changed, 796 insertions(+)
+ 11 files changed, 737 insertions(+)
  create mode 100644 migration/savevm-async.c
 
 diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx
-index 117ba25f91..b3b797ca28 100644
+index 754b1e8408..489c524e9e 100644
 --- a/hmp-commands-info.hx
 +++ b/hmp-commands-info.hx
-@@ -580,6 +580,19 @@ SRST
-     Show current migration xbzrle cache size.
+@@ -540,6 +540,19 @@ SRST
+     Show current migration parameters.
  ERST
  
 +    {
@@ -63,13 +67,13 @@ index 117ba25f91..b3b797ca28 100644
          .name       = "balloon",
          .args_type  = "",
 diff --git a/hmp-commands.hx b/hmp-commands.hx
-index ff2d7aa8f3..d294c234a5 100644
+index 673e39a697..039be0033d 100644
 --- a/hmp-commands.hx
 +++ b/hmp-commands.hx
-@@ -1866,3 +1866,36 @@ ERST
-         .flags      = "p",
-     },
- 
+@@ -1815,3 +1815,36 @@ SRST
+   Dump the FDT in dtb format to *filename*.
+ ERST
+ #endif
 +
 +    {
 +        .name       = "savevm-start",
@@ -104,21 +108,21 @@ index ff2d7aa8f3..d294c234a5 100644
 +        .coroutine  = true,
 +    },
 diff --git a/include/migration/snapshot.h b/include/migration/snapshot.h
-index c85b6ec75b..4411b7121d 100644
+index e72083b117..c846d37806 100644
 --- a/include/migration/snapshot.h
 +++ b/include/migration/snapshot.h
-@@ -17,5 +17,6 @@
+@@ -61,4 +61,6 @@ bool delete_snapshot(const char *name,
+                     bool has_devices, strList *devices,
+                     Error **errp);
  
- int save_snapshot(const char *name, Error **errp);
- int load_snapshot(const char *name, Error **errp);
 +int load_snapshot_from_blockdev(const char *filename, Error **errp);
- 
++
  #endif
 diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h
-index ed2913fd18..4e06f89e8e 100644
+index dfbc0c9a2f..440f86aba8 100644
 --- a/include/monitor/hmp.h
 +++ b/include/monitor/hmp.h
-@@ -25,6 +25,7 @@ void hmp_info_status(Monitor *mon, const QDict *qdict);
+@@ -27,6 +27,7 @@ void hmp_info_status(Monitor *mon, const QDict *qdict);
  void hmp_info_uuid(Monitor *mon, const QDict *qdict);
  void hmp_info_chardev(Monitor *mon, const QDict *qdict);
  void hmp_info_mice(Monitor *mon, const QDict *qdict);
@@ -126,7 +130,7 @@ index ed2913fd18..4e06f89e8e 100644
  void hmp_info_migrate(Monitor *mon, const QDict *qdict);
  void hmp_info_migrate_capabilities(Monitor *mon, const QDict *qdict);
  void hmp_info_migrate_parameters(Monitor *mon, const QDict *qdict);
-@@ -83,6 +84,10 @@ void hmp_netdev_add(Monitor *mon, const QDict *qdict);
+@@ -81,6 +82,10 @@ void hmp_netdev_add(Monitor *mon, const QDict *qdict);
  void hmp_netdev_del(Monitor *mon, const QDict *qdict);
  void hmp_getfd(Monitor *mon, const QDict *qdict);
  void hmp_closefd(Monitor *mon, const QDict *qdict);
@@ -135,27 +139,28 @@ index ed2913fd18..4e06f89e8e 100644
 +void hmp_delete_drive_snapshot(Monitor *mon, const QDict *qdict);
 +void hmp_savevm_end(Monitor *mon, const QDict *qdict);
  void hmp_sendkey(Monitor *mon, const QDict *qdict);
- void hmp_screendump(Monitor *mon, const QDict *qdict);
+ void coroutine_fn hmp_screendump(Monitor *mon, const QDict *qdict);
  void hmp_chardev_add(Monitor *mon, const QDict *qdict);
 diff --git a/migration/meson.build b/migration/meson.build
-index 980e37865c..e62b79b60f 100644
+index 8cac83c06c..0842d00cd2 100644
 --- a/migration/meson.build
 +++ b/migration/meson.build
-@@ -23,6 +23,7 @@ softmmu_ss.add(files(
+@@ -24,6 +24,7 @@ softmmu_ss.add(files(
    'multifd-zlib.c',
    'postcopy-ram.c',
    'savevm.c',
 +  'savevm-async.c',
    'socket.c',
    'tls.c',
- ))
+ ), gnutls)
 diff --git a/migration/savevm-async.c b/migration/savevm-async.c
 new file mode 100644
-index 0000000000..593a619088
+index 0000000000..dc30558713
 --- /dev/null
 +++ b/migration/savevm-async.c
-@@ -0,0 +1,598 @@
+@@ -0,0 +1,538 @@
 +#include "qemu/osdep.h"
++#include "migration/channel-savevm-async.h"
 +#include "migration/migration.h"
 +#include "migration/savevm.h"
 +#include "migration/snapshot.h"
@@ -179,9 +184,6 @@ index 0000000000..593a619088
 +
 +/* #define DEBUG_SAVEVM_STATE */
 +
-+/* used while emulated sync operation in progress */
-+#define NOT_DONE -EINPROGRESS
-+
 +#ifdef DEBUG_SAVEVM_STATE
 +#define DPRINTF(fmt, ...) \
 +    do { printf("savevm-async: " fmt, ## __VA_ARGS__); } while (0)
@@ -210,7 +212,7 @@ index 0000000000..593a619088
 +    int64_t total_time;
 +    QEMUBH *finalize_bh;
 +    Coroutine *co;
-+    QemuCoSleepState *target_close_wait;
++    QemuCoSleep target_close_wait;
 +} snap_state;
 +
 +static bool savevm_aborted(void)
@@ -268,6 +270,7 @@ index 0000000000..593a619088
 +
 +    if (snap_state.file) {
 +        ret = qemu_fclose(snap_state.file);
++        snap_state.file = NULL;
 +    }
 +
 +    if (snap_state.target) {
@@ -285,9 +288,7 @@ index 0000000000..593a619088
 +        blk_unref(snap_state.target);
 +        snap_state.target = NULL;
 +
-+        if (snap_state.target_close_wait) {
-+            qemu_co_sleep_wake(snap_state.target_close_wait);
-+        }
++        qemu_co_sleep_wake(&snap_state.target_close_wait);
 +    }
 +
 +    return ret;
@@ -313,60 +314,6 @@ index 0000000000..593a619088
 +    snap_state.state = SAVE_STATE_ERROR;
 +}
 +
-+static int block_state_close(void *opaque, Error **errp)
-+{
-+    snap_state.file = NULL;
-+    return blk_flush(snap_state.target);
-+}
-+
-+typedef struct BlkRwCo {
-+    int64_t offset;
-+    QEMUIOVector *qiov;
-+    ssize_t ret;
-+} BlkRwCo;
-+
-+static void coroutine_fn block_state_write_entry(void *opaque) {
-+    BlkRwCo *rwco = opaque;
-+    rwco->ret = blk_co_pwritev(snap_state.target, rwco->offset, rwco->qiov->size,
-+                               rwco->qiov, 0);
-+    aio_wait_kick();
-+}
-+
-+static ssize_t block_state_writev_buffer(void *opaque, struct iovec *iov,
-+                                         int iovcnt, int64_t pos, Error **errp)
-+{
-+    QEMUIOVector qiov;
-+    BlkRwCo rwco;
-+
-+    assert(pos == snap_state.bs_pos);
-+    rwco = (BlkRwCo) {
-+        .offset = pos,
-+        .qiov = &qiov,
-+        .ret = NOT_DONE,
-+    };
-+
-+    qemu_iovec_init_external(&qiov, iov, iovcnt);
-+
-+    if (qemu_in_coroutine()) {
-+        block_state_write_entry(&rwco);
-+    } else {
-+        Coroutine *co = qemu_coroutine_create(&block_state_write_entry, &rwco);
-+        bdrv_coroutine_enter(blk_bs(snap_state.target), co);
-+        BDRV_POLL_WHILE(blk_bs(snap_state.target), rwco.ret == NOT_DONE);
-+    }
-+    if (rwco.ret < 0) {
-+        return rwco.ret;
-+    }
-+
-+    snap_state.bs_pos += qiov.size;
-+    return qiov.size;
-+}
-+
-+static const QEMUFileOps block_file_ops = {
-+    .writev_buffer =  block_state_writev_buffer,
-+    .close =          block_state_close,
-+};
-+
 +static void process_savevm_finalize(void *opaque)
 +{
 +    int ret;
@@ -401,7 +348,7 @@ index 0000000000..593a619088
 +        (void)qemu_savevm_state_complete_precopy(snap_state.file, false, false);
 +        ret = qemu_file_get_error(snap_state.file);
 +        if (ret < 0) {
-+                save_snapshot_error("qemu_savevm_state_iterate error %d", ret);
++            save_snapshot_error("qemu_savevm_state_complete_precopy error %d", ret);
 +        }
 +    }
 +
@@ -422,8 +369,11 @@ index 0000000000..593a619088
 +    } else if (snap_state.state == SAVE_STATE_ACTIVE) {
 +        snap_state.state = SAVE_STATE_COMPLETED;
 +    } else if (aborted) {
-+        save_snapshot_error("process_savevm_cleanup: found aborted state: %d",
-+                            snap_state.state);
++        /*
++         * If there was an error, there's no need to set a new one here.
++         * If the snapshot was canceled, leave setting the state to
++         * qmp_savevm_end(), which is waked by save_snapshot_cleanup().
++         */
 +    } else {
 +        save_snapshot_error("process_savevm_cleanup: invalid state: %d",
 +                            snap_state.state);
@@ -464,9 +414,16 @@ index 0000000000..593a619088
 +
 +        pending_size = pend_precopy + pend_compatible + pend_postcopy;
 +
-+        maxlen = blk_getlength(snap_state.target) - 30*1024*1024;
++        /*
++         * A guest reaching this cutoff is dirtying lots of RAM. It should be
++         * large enough so that the guest can't dirty this much between the
++         * check and the guest actually being stopped, but it should be small
++         * enough to avoid long downtimes for non-hibernation snapshots.
++         */
++        maxlen = blk_getlength(snap_state.target) - 100*1024*1024;
 +
-+        if (pending_size > 400000 && snap_state.bs_pos + pending_size < maxlen) {
++        /* Note that there is no progress for pend_postcopy when iterating */
++        if (pending_size - pend_postcopy > 400000 && snap_state.bs_pos + pending_size < maxlen) {
 +            ret = qemu_savevm_state_iterate(snap_state.file, false);
 +            if (ret < 0) {
 +                save_snapshot_error("qemu_savevm_state_iterate error %d", ret);
@@ -549,6 +506,7 @@ index 0000000000..593a619088
 +    snap_state.bs_pos = 0;
 +    snap_state.total_time = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
 +    snap_state.blocker = NULL;
++    snap_state.target_close_wait = (QemuCoSleep){ .to_wake = NULL };
 +
 +    if (snap_state.error) {
 +        error_free(snap_state.error);
@@ -575,7 +533,9 @@ index 0000000000..593a619088
 +        goto restart;
 +    }
 +
-+    snap_state.file = qemu_fopen_ops(&snap_state, &block_file_ops);
++    QIOChannel *ioc = QIO_CHANNEL(qio_channel_savevm_async_new(snap_state.target,
++                                                               &snap_state.bs_pos));
++    snap_state.file = qemu_file_new_output(ioc);
 +
 +    if (!snap_state.file) {
 +        error_set(errp, ERROR_CLASS_GENERIC_ERROR, "failed to open '%s'", statefile);
@@ -653,9 +613,8 @@ index 0000000000..593a619088
 +     * call exits the statefile will be closed and can be removed immediately */
 +    DPRINTF("savevm-end: waiting for cleanup\n");
 +    timeout = 30L * 1000 * 1000 * 1000;
-+    qemu_co_sleep_ns_wakeable(QEMU_CLOCK_REALTIME, timeout,
-+                              &snap_state.target_close_wait);
-+    snap_state.target_close_wait = NULL;
++    qemu_co_sleep_ns_wakeable(&snap_state.target_close_wait,
++                              QEMU_CLOCK_REALTIME, timeout);
 +    if (snap_state.target) {
 +        save_snapshot_error("timeout waiting for target file close in "
 +                            "qmp_savevm_end");
@@ -664,6 +623,11 @@ index 0000000000..593a619088
 +        return;
 +    }
 +
++    // File closed and no other error, so ensure next snapshot can be started.
++    if (snap_state.state != SAVE_STATE_ERROR) {
++        snap_state.state = SAVE_STATE_DONE;
++    }
++
 +    DPRINTF("savevm-end: cleanup done\n");
 +}
 +
@@ -683,27 +647,6 @@ index 0000000000..593a619088
 +                                                     true, name, errp);
 +}
 +
-+static ssize_t loadstate_get_buffer(void *opaque, uint8_t *buf, int64_t pos,
-+                                    size_t size, Error **errp)
-+{
-+    BlockBackend *be = opaque;
-+    int64_t maxlen = blk_getlength(be);
-+    if (pos > maxlen) {
-+        return -EIO;
-+    }
-+    if ((pos + size) > maxlen) {
-+        size = maxlen - pos - 1;
-+    }
-+    if (size == 0) {
-+        return 0;
-+    }
-+    return blk_pread(be, pos, buf, size);
-+}
-+
-+static const QEMUFileOps loadstate_file_ops = {
-+    .get_buffer = loadstate_get_buffer,
-+};
-+
 +int load_snapshot_from_blockdev(const char *filename, Error **errp)
 +{
 +    BlockBackend *be;
@@ -711,6 +654,7 @@ index 0000000000..593a619088
 +    Error *blocker = NULL;
 +
 +    QEMUFile *f;
++    size_t bs_pos = 0;
 +    int ret = -EINVAL;
 +
 +    be = blk_new_open(filename, NULL, NULL, 0, &local_err);
@@ -724,7 +668,7 @@ index 0000000000..593a619088
 +    blk_op_block_all(be, blocker);
 +
 +    /* restore the VM state */
-+    f = qemu_fopen_ops(be, &loadstate_file_ops);
++    f = qemu_file_new_input(QIO_CHANNEL(qio_channel_savevm_async_new(be, &bs_pos)));
 +    if (!f) {
 +        error_setg(errp, "Could not open VM state file");
 +        goto the_end;
@@ -754,10 +698,10 @@ index 0000000000..593a619088
 +    return ret;
 +}
 diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c
-index 705f08a8f1..77ab152aab 100644
+index 480b798963..cfebfd1db5 100644
 --- a/monitor/hmp-cmds.c
 +++ b/monitor/hmp-cmds.c
-@@ -1949,6 +1949,63 @@ void hmp_info_memory_devices(Monitor *mon, const QDict *qdict)
+@@ -1906,6 +1906,63 @@ void hmp_info_memory_devices(Monitor *mon, const QDict *qdict)
      hmp_handle_error(mon, err);
  }
  
@@ -822,10 +766,10 @@ index 705f08a8f1..77ab152aab 100644
  {
      IOThreadInfoList *info_list = qmp_query_iothreads(NULL);
 diff --git a/qapi/migration.json b/qapi/migration.json
-index 3c75820527..cb3627884c 100644
+index 88ecf86ac8..4435866379 100644
 --- a/qapi/migration.json
 +++ b/qapi/migration.json
-@@ -242,6 +242,40 @@
+@@ -261,6 +261,40 @@
             '*compression': 'CompressionStats',
             '*socket-address': ['SocketAddress'] } }
  
@@ -867,10 +811,10 @@ index 3c75820527..cb3627884c 100644
  # @query-migrate:
  #
 diff --git a/qapi/misc.json b/qapi/misc.json
-index 40df513856..4f5333d960 100644
+index 27ef5a2b20..b3ce75dcae 100644
 --- a/qapi/misc.json
 +++ b/qapi/misc.json
-@@ -476,6 +476,38 @@
+@@ -435,6 +435,38 @@
  ##
  { 'command': 'query-fdsets', 'returns': ['FdsetInfo'] }
  
@@ -910,10 +854,10 @@ index 40df513856..4f5333d960 100644
  # @CommandLineParameterType:
  #
 diff --git a/qemu-options.hx b/qemu-options.hx
-index 104632ea34..c1352312c2 100644
+index 7f99d15b23..54efb127c4 100644
 --- a/qemu-options.hx
 +++ b/qemu-options.hx
-@@ -3903,6 +3903,18 @@ SRST
+@@ -4391,6 +4391,18 @@ SRST
      Start right away with a saved state (``loadvm`` in monitor)
  ERST
  
@@ -933,31 +877,21 @@ index 104632ea34..c1352312c2 100644
  DEF("daemonize", 0, QEMU_OPTION_daemonize, \
      "-daemonize      daemonize QEMU after initializing\n", QEMU_ARCH_ALL)
 diff --git a/softmmu/vl.c b/softmmu/vl.c
-index e6e0ad5a92..03152c816c 100644
+index 5f7f6ca981..21f067d115 100644
 --- a/softmmu/vl.c
 +++ b/softmmu/vl.c
-@@ -2878,6 +2878,7 @@ void qemu_init(int argc, char **argv, char **envp)
-     int optind;
-     const char *optarg;
-     const char *loadvm = NULL;
-+    const char *loadstate = NULL;
-     MachineClass *machine_class;
-     const char *cpu_option;
-     const char *vga_model = NULL;
-@@ -3439,6 +3440,9 @@ void qemu_init(int argc, char **argv, char **envp)
-             case QEMU_OPTION_loadvm:
-                 loadvm = optarg;
-                 break;
-+            case QEMU_OPTION_loadstate:
-+                loadstate = optarg;
-+                break;
-             case QEMU_OPTION_full_screen:
-                 dpy.has_full_screen = true;
-                 dpy.full_screen = true;
-@@ -4478,6 +4482,12 @@ void qemu_init(int argc, char **argv, char **envp)
-             autostart = 0;
-             exit(1);
-         }
+@@ -164,6 +164,7 @@ static const char *accelerators;
+ static bool have_custom_ram_size;
+ static const char *ram_memdev_id;
+ static QDict *machine_opts_dict;
++static const char *loadstate;
+ static QTAILQ_HEAD(, ObjectOption) object_opts = QTAILQ_HEAD_INITIALIZER(object_opts);
+ static QTAILQ_HEAD(, DeviceOption) device_opts = QTAILQ_HEAD_INITIALIZER(device_opts);
+ static int display_remote;
+@@ -2607,6 +2608,12 @@ void qmp_x_exit_preconfig(Error **errp)
+ 
+     if (loadvm) {
+         load_snapshot(loadvm, NULL, false, NULL, &error_fatal);
 +    } else if (loadstate) {
 +        Error *local_err = NULL;
 +        if (load_snapshot_from_blockdev(loadstate, &local_err) < 0) {
@@ -967,3 +901,13 @@ index e6e0ad5a92..03152c816c 100644
      }
      if (replay_mode != REPLAY_MODE_NONE) {
          replay_vmstate_init();
+@@ -3151,6 +3158,9 @@ void qemu_init(int argc, char **argv)
+             case QEMU_OPTION_loadvm:
+                 loadvm = optarg;
+                 break;
++            case QEMU_OPTION_loadstate:
++                loadstate = optarg;
++                break;
+             case QEMU_OPTION_full_screen:
+                 dpy.has_full_screen = true;
+                 dpy.full_screen = true;

debian/patches/pve/0018-PVE-add-optional-buffer-size-to-QEMUFile.patch

@@ -9,17 +9,20 @@ increase performance storing the state onto ceph.
 Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
 [increase max IOV count in QEMUFile to actually write more data]
 Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+[FE: adapt to removal of QEMUFileOps]
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
 ---
- migration/qemu-file.c    | 38 +++++++++++++++++++++++++-------------
- migration/qemu-file.h    |  1 +
- migration/savevm-async.c |  4 ++--
- 3 files changed, 28 insertions(+), 15 deletions(-)
+ migration/qemu-file.c    | 49 +++++++++++++++++++++++++++-------------
+ migration/qemu-file.h    |  2 ++
+ migration/savevm-async.c |  5 ++--
+ 3 files changed, 38 insertions(+), 18 deletions(-)
 
 diff --git a/migration/qemu-file.c b/migration/qemu-file.c
-index be21518c57..1926b5202c 100644
+index 2d5f74ffc2..9fd97e6fe1 100644
 --- a/migration/qemu-file.c
 +++ b/migration/qemu-file.c
-@@ -30,8 +30,8 @@
+@@ -31,8 +31,8 @@
  #include "trace.h"
  #include "qapi/error.h"
  
@@ -29,9 +32,9 @@ index be21518c57..1926b5202c 100644
 +#define MAX_IOV_SIZE MIN_CONST(IOV_MAX, 256)
  
  struct QEMUFile {
-     const QEMUFileOps *ops;
-@@ -45,7 +45,8 @@ struct QEMUFile {
-                     when reading */
+     const QEMUFileHooks *hooks;
+@@ -55,7 +55,8 @@ struct QEMUFile {
+ 
      int buf_index;
      int buf_size; /* 0 when writing */
 -    uint8_t buf[IO_BUF_SIZE];
@@ -40,53 +43,76 @@ index be21518c57..1926b5202c 100644
  
      DECLARE_BITMAP(may_free, MAX_IOV_SIZE);
      struct iovec iov[MAX_IOV_SIZE];
-@@ -101,7 +102,7 @@ bool qemu_file_mode_is_not_valid(const char *mode)
+@@ -127,7 +128,9 @@ bool qemu_file_mode_is_not_valid(const char *mode)
      return false;
  }
  
--QEMUFile *qemu_fopen_ops(void *opaque, const QEMUFileOps *ops)
-+QEMUFile *qemu_fopen_ops_sized(void *opaque, const QEMUFileOps *ops, size_t buffer_size)
+-static QEMUFile *qemu_file_new_impl(QIOChannel *ioc, bool is_writable)
++static QEMUFile *qemu_file_new_impl(QIOChannel *ioc,
++                                    bool is_writable,
++                                    size_t buffer_size)
  {
      QEMUFile *f;
  
-@@ -109,9 +110,17 @@ QEMUFile *qemu_fopen_ops(void *opaque, const QEMUFileOps *ops)
- 
-     f->opaque = opaque;
-     f->ops = ops;
+@@ -136,6 +139,8 @@ static QEMUFile *qemu_file_new_impl(QIOChannel *ioc, bool is_writable)
+     object_ref(ioc);
+     f->ioc = ioc;
+     f->is_writable = is_writable;
 +    f->buf_allocated_size = buffer_size;
 +    f->buf = malloc(buffer_size);
-+
+ 
      return f;
  }
+@@ -146,17 +151,27 @@ static QEMUFile *qemu_file_new_impl(QIOChannel *ioc, bool is_writable)
+  */
+ QEMUFile *qemu_file_get_return_path(QEMUFile *f)
+ {
+-    return qemu_file_new_impl(f->ioc, !f->is_writable);
++    return qemu_file_new_impl(f->ioc, !f->is_writable, DEFAULT_IO_BUF_SIZE);
+ }
  
-+QEMUFile *qemu_fopen_ops(void *opaque, const QEMUFileOps *ops)
-+{
-+    return qemu_fopen_ops_sized(opaque, ops, DEFAULT_IO_BUF_SIZE);
+ QEMUFile *qemu_file_new_output(QIOChannel *ioc)
+ {
+-    return qemu_file_new_impl(ioc, true);
++    return qemu_file_new_impl(ioc, true, DEFAULT_IO_BUF_SIZE);
 +}
 +
++QEMUFile *qemu_file_new_output_sized(QIOChannel *ioc, size_t buffer_size)
++{
++    return qemu_file_new_impl(ioc, true, buffer_size);
+ }
+ 
+ QEMUFile *qemu_file_new_input(QIOChannel *ioc)
+ {
+-    return qemu_file_new_impl(ioc, false);
++    return qemu_file_new_impl(ioc, false, DEFAULT_IO_BUF_SIZE);
++}
++
++QEMUFile *qemu_file_new_input_sized(QIOChannel *ioc, size_t buffer_size)
++{
++    return qemu_file_new_impl(ioc, false, buffer_size);
+ }
  
  void qemu_file_set_hooks(QEMUFile *f, const QEMUFileHooks *hooks)
- {
-@@ -346,7 +355,7 @@ static ssize_t qemu_fill_buffer(QEMUFile *f)
+@@ -414,7 +429,7 @@ static ssize_t qemu_fill_buffer(QEMUFile *f)
+     do {
+         len = qio_channel_read(f->ioc,
+                                (char *)f->buf + pending,
+-                               IO_BUF_SIZE - pending,
++                               f->buf_allocated_size - pending,
+                                &local_error);
+         if (len == QIO_CHANNEL_ERR_BLOCK) {
+             if (qemu_in_coroutine()) {
+@@ -464,6 +479,8 @@ int qemu_fclose(QEMUFile *f)
      }
+     g_clear_pointer(&f->ioc, object_unref);
  
-     len = f->ops->get_buffer(f->opaque, f->buf + pending, f->pos,
--                             IO_BUF_SIZE - pending, &local_error);
-+                             f->buf_allocated_size - pending, &local_error);
-     if (len > 0) {
-         f->buf_size += len;
-         f->pos += len;
-@@ -386,6 +395,9 @@ int qemu_fclose(QEMUFile *f)
-             ret = ret2;
-         }
-     }
-+
 +    free(f->buf);
 +
      /* If any error was spotted before closing, we should report it
       * instead of the close() return value.
       */
-@@ -435,7 +447,7 @@ static void add_buf_to_iovec(QEMUFile *f, size_t len)
+@@ -518,7 +535,7 @@ static void add_buf_to_iovec(QEMUFile *f, size_t len)
  {
      if (!add_to_iovec(f, f->buf + f->buf_index, len, false)) {
          f->buf_index += len;
@@ -95,7 +121,7 @@ index be21518c57..1926b5202c 100644
              qemu_fflush(f);
          }
      }
-@@ -461,7 +473,7 @@ void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, size_t size)
+@@ -544,7 +561,7 @@ void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, size_t size)
      }
  
      while (size > 0) {
@@ -104,7 +130,7 @@ index be21518c57..1926b5202c 100644
          if (l > size) {
              l = size;
          }
-@@ -508,8 +520,8 @@ size_t qemu_peek_buffer(QEMUFile *f, uint8_t **buf, size_t size, size_t offset)
+@@ -591,8 +608,8 @@ size_t qemu_peek_buffer(QEMUFile *f, uint8_t **buf, size_t size, size_t offset)
      size_t index;
  
      assert(!qemu_file_is_writable(f));
@@ -115,7 +141,7 @@ index be21518c57..1926b5202c 100644
  
      /* The 1st byte to read from */
      index = f->buf_index + offset;
-@@ -559,7 +571,7 @@ size_t qemu_get_buffer(QEMUFile *f, uint8_t *buf, size_t size)
+@@ -642,7 +659,7 @@ size_t qemu_get_buffer(QEMUFile *f, uint8_t *buf, size_t size)
          size_t res;
          uint8_t *src;
  
@@ -124,16 +150,16 @@ index be21518c57..1926b5202c 100644
          if (res == 0) {
              return done;
          }
-@@ -593,7 +605,7 @@ size_t qemu_get_buffer(QEMUFile *f, uint8_t *buf, size_t size)
+@@ -676,7 +693,7 @@ size_t qemu_get_buffer(QEMUFile *f, uint8_t *buf, size_t size)
   */
  size_t qemu_get_buffer_in_place(QEMUFile *f, uint8_t **buf, size_t size)
  {
 -    if (size < IO_BUF_SIZE) {
 +    if (size < f->buf_allocated_size) {
          size_t res;
-         uint8_t *src;
+         uint8_t *src = NULL;
  
-@@ -618,7 +630,7 @@ int qemu_peek_byte(QEMUFile *f, int offset)
+@@ -701,7 +718,7 @@ int qemu_peek_byte(QEMUFile *f, int offset)
      int index = f->buf_index + offset;
  
      assert(!qemu_file_is_writable(f));
@@ -142,7 +168,7 @@ index be21518c57..1926b5202c 100644
  
      if (index >= f->buf_size) {
          qemu_fill_buffer(f);
-@@ -770,7 +782,7 @@ static int qemu_compress_data(z_stream *stream, uint8_t *dest, size_t dest_len,
+@@ -853,7 +870,7 @@ static int qemu_compress_data(z_stream *stream, uint8_t *dest, size_t dest_len,
  ssize_t qemu_put_compression_data(QEMUFile *f, z_stream *stream,
                                    const uint8_t *p, size_t size)
  {
@@ -152,36 +178,39 @@ index be21518c57..1926b5202c 100644
      if (blen < compressBound(size)) {
          return -1;
 diff --git a/migration/qemu-file.h b/migration/qemu-file.h
-index a9b6d6ccb7..8752d27c74 100644
+index fa13d04d78..914f1a63a8 100644
 --- a/migration/qemu-file.h
 +++ b/migration/qemu-file.h
-@@ -120,6 +120,7 @@ typedef struct QEMUFileHooks {
+@@ -63,7 +63,9 @@ typedef struct QEMUFileHooks {
  } QEMUFileHooks;
  
- QEMUFile *qemu_fopen_ops(void *opaque, const QEMUFileOps *ops);
-+QEMUFile *qemu_fopen_ops_sized(void *opaque, const QEMUFileOps *ops, size_t buffer_size);
+ QEMUFile *qemu_file_new_input(QIOChannel *ioc);
++QEMUFile *qemu_file_new_input_sized(QIOChannel *ioc, size_t buffer_size);
+ QEMUFile *qemu_file_new_output(QIOChannel *ioc);
++QEMUFile *qemu_file_new_output_sized(QIOChannel *ioc, size_t buffer_size);
  void qemu_file_set_hooks(QEMUFile *f, const QEMUFileHooks *hooks);
- int qemu_get_fd(QEMUFile *f);
  int qemu_fclose(QEMUFile *f);
+ 
 diff --git a/migration/savevm-async.c b/migration/savevm-async.c
-index 593a619088..cc2552d977 100644
+index dc30558713..a38e7351c1 100644
 --- a/migration/savevm-async.c
 +++ b/migration/savevm-async.c
-@@ -418,7 +418,7 @@ void qmp_savevm_start(bool has_statefile, const char *statefile, Error **errp)
-         goto restart;
-     }
+@@ -374,7 +374,7 @@ void qmp_savevm_start(bool has_statefile, const char *statefile, Error **errp)
  
--    snap_state.file = qemu_fopen_ops(&snap_state, &block_file_ops);
-+    snap_state.file = qemu_fopen_ops_sized(&snap_state, &block_file_ops, 4 * 1024 * 1024);
+     QIOChannel *ioc = QIO_CHANNEL(qio_channel_savevm_async_new(snap_state.target,
+                                                                &snap_state.bs_pos));
+-    snap_state.file = qemu_file_new_output(ioc);
++    snap_state.file = qemu_file_new_output_sized(ioc, 4 * 1024 * 1024);
  
      if (!snap_state.file) {
          error_set(errp, ERROR_CLASS_GENERIC_ERROR, "failed to open '%s'", statefile);
-@@ -567,7 +567,7 @@ int load_snapshot_from_blockdev(const char *filename, Error **errp)
+@@ -507,7 +507,8 @@ int load_snapshot_from_blockdev(const char *filename, Error **errp)
      blk_op_block_all(be, blocker);
  
      /* restore the VM state */
--    f = qemu_fopen_ops(be, &loadstate_file_ops);
-+    f = qemu_fopen_ops_sized(be, &loadstate_file_ops, 4 * 1024 * 1024);
+-    f = qemu_file_new_input(QIO_CHANNEL(qio_channel_savevm_async_new(be, &bs_pos)));
++    f = qemu_file_new_input_sized(QIO_CHANNEL(qio_channel_savevm_async_new(be, &bs_pos)),
++                                  4 * 1024 * 1024);
      if (!f) {
          error_setg(errp, "Could not open VM state file");
          goto the_end;

debian/patches/pve/0019-PVE-block-add-the-zeroinit-block-driver-filter.patch

@@ -4,30 +4,32 @@ Date: Mon, 6 Apr 2020 12:16:47 +0200
 Subject: [PATCH] PVE: block: add the zeroinit block driver filter
 
 Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+[adapt to changed function signatures]
+Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
 ---
  block/meson.build |   1 +
- block/zeroinit.c  | 196 ++++++++++++++++++++++++++++++++++++++++++++++
- 2 files changed, 197 insertions(+)
+ block/zeroinit.c  | 198 ++++++++++++++++++++++++++++++++++++++++++++++
+ 2 files changed, 199 insertions(+)
  create mode 100644 block/zeroinit.c
 
 diff --git a/block/meson.build b/block/meson.build
-index 5dcc1e5cce..c10d544864 100644
+index b7c68b83a3..020a89ae07 100644
 --- a/block/meson.build
 +++ b/block/meson.build
-@@ -39,6 +39,7 @@ block_ss.add(files(
+@@ -43,6 +43,7 @@ block_ss.add(files(
    'vmdk.c',
    'vpc.c',
    'write-threshold.c',
 +  'zeroinit.c',
- ), zstd, zlib)
+ ), zstd, zlib, gnutls)
  
  softmmu_ss.add(when: 'CONFIG_TCG', if_true: files('blkreplay.c'))
 diff --git a/block/zeroinit.c b/block/zeroinit.c
 new file mode 100644
-index 0000000000..5529627f7e
+index 0000000000..b60e1b84dc
 --- /dev/null
 +++ b/block/zeroinit.c
-@@ -0,0 +1,196 @@
+@@ -0,0 +1,198 @@
 +/*
 + * Filter to fake a zero-initialized block device.
 + *
@@ -107,7 +109,9 @@ index 0000000000..5529627f7e
 +
 +    /* Open the raw file */
 +    bs->file = bdrv_open_child(qemu_opt_get(opts, "x-next"), options, "next",
-+                               bs, &child_of_bds, BDRV_CHILD_FILTERED, false, &local_err);
++                               bs, &child_of_bds,
++                               BDRV_CHILD_FILTERED | BDRV_CHILD_PRIMARY,
++                               false, &local_err);
 +    if (local_err) {
 +        ret = -EINVAL;
 +        error_propagate(errp, local_err);
@@ -138,22 +142,22 @@ index 0000000000..5529627f7e
 +}
 +
 +static int coroutine_fn zeroinit_co_preadv(BlockDriverState *bs,
-+    uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags)
++    int64_t offset, int64_t bytes, QEMUIOVector *qiov, BdrvRequestFlags flags)
 +{
 +    return bdrv_co_preadv(bs->file, offset, bytes, qiov, flags);
 +}
 +
 +static int coroutine_fn zeroinit_co_pwrite_zeroes(BlockDriverState *bs, int64_t offset,
-+                                                 int count, BdrvRequestFlags flags)
++                                                 int64_t bytes, BdrvRequestFlags flags)
 +{
 +    BDRVZeroinitState *s = bs->opaque;
 +    if (offset >= s->extents)
 +        return 0;
-+    return bdrv_pwrite_zeroes(bs->file, offset, count, flags);
++    return bdrv_pwrite_zeroes(bs->file, offset, bytes, flags);
 +}
 +
 +static int coroutine_fn zeroinit_co_pwritev(BlockDriverState *bs,
-+    uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags)
++    int64_t offset, int64_t bytes, QEMUIOVector *qiov, BdrvRequestFlags flags)
 +{
 +    BDRVZeroinitState *s = bs->opaque;
 +    int64_t extents = offset + bytes;
@@ -174,9 +178,9 @@ index 0000000000..5529627f7e
 +}
 +
 +static int coroutine_fn zeroinit_co_pdiscard(BlockDriverState *bs,
-+                                             int64_t offset, int count)
++                                             int64_t offset, int64_t bytes)
 +{
-+    return bdrv_co_pdiscard(bs->file, offset, count);
++    return bdrv_co_pdiscard(bs->file, offset, bytes);
 +}
 +
 +static int zeroinit_co_truncate(BlockDriverState *bs, int64_t offset,

debian/patches/pve/0020-PVE-Add-dummy-id-command-line-parameter.patch

@@ -14,12 +14,12 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  2 files changed, 11 insertions(+)
 
 diff --git a/qemu-options.hx b/qemu-options.hx
-index c1352312c2..9a0cb6780e 100644
+index 54efb127c4..ef456d03ec 100644
 --- a/qemu-options.hx
 +++ b/qemu-options.hx
-@@ -906,6 +906,9 @@ DEFHEADING()
+@@ -1147,6 +1147,9 @@ backend describes how QEMU handles the data.
  
- DEFHEADING(Block device options:)
+ ERST
  
 +DEF("id", HAS_ARG, QEMU_OPTION_id,
 +    "-id n           set the VMID", QEMU_ARCH_ALL)
@@ -28,20 +28,20 @@ index c1352312c2..9a0cb6780e 100644
      "-fda/-fdb file  use 'file' as floppy disk 0/1 image\n", QEMU_ARCH_ALL)
  DEF("fdb", HAS_ARG, QEMU_OPTION_fdb, "", QEMU_ARCH_ALL)
 diff --git a/softmmu/vl.c b/softmmu/vl.c
-index 03152c816c..da204d24f0 100644
+index 21f067d115..9d737e7914 100644
 --- a/softmmu/vl.c
 +++ b/softmmu/vl.c
-@@ -2866,6 +2866,7 @@ static char *find_datadir(void)
- void qemu_init(int argc, char **argv, char **envp)
- {
-     int i;
+@@ -2643,6 +2643,7 @@ void qemu_init(int argc, char **argv)
+     MachineClass *machine_class;
+     bool userconfig = true;
+     FILE *vmstate_dump_file = NULL;
 +    long vm_id;
-     int snapshot, linux_boot;
-     const char *initrd_filename;
-     const char *kernel_filename, *kernel_cmdline;
-@@ -3557,6 +3558,13 @@ void qemu_init(int argc, char **argv, char **envp)
-                     exit(1);
-                 }
+ 
+     qemu_add_opts(&qemu_drive_opts);
+     qemu_add_drive_opts(&qemu_legacy_drive_opts);
+@@ -3263,6 +3264,13 @@ void qemu_init(int argc, char **argv)
+                 machine_parse_property_opt(qemu_find_opts("smp-opts"),
+                                            "smp", optarg);
                  break;
 +            case QEMU_OPTION_id:
 +                vm_id = strtol(optarg, (char **)&optarg, 10);
@@ -51,5 +51,5 @@ index 03152c816c..da204d24f0 100644
 +                }
 +                break;
              case QEMU_OPTION_vnc:
-                 vnc_parse(optarg, &error_fatal);
+                 vnc_parse(optarg);
                  break;

debian/patches/pve/0021-PVE-Config-Revert-target-i386-disable-LINT0-after-re.patch

@@ -11,7 +11,7 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 9 insertions(+)
 
 diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c
-index 502e94effc..590ef6ec8e 100644
+index 2a20982066..7968ad5a93 100644
 --- a/hw/intc/apic_common.c
 +++ b/hw/intc/apic_common.c
 @@ -278,6 +278,15 @@ static void apic_reset_common(DeviceState *dev)

debian/patches/pve/0022-PVE-Up-Config-file-posix-make-locking-optiono-on-cre.patch

@@ -8,15 +8,15 @@ Otherwise creating images on nfs/cifs can be problematic.
 Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
 Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
- block/file-posix.c   | 61 +++++++++++++++++++++++++++++---------------
+ block/file-posix.c   | 59 ++++++++++++++++++++++++++++++--------------
  qapi/block-core.json |  3 ++-
- 2 files changed, 43 insertions(+), 21 deletions(-)
+ 2 files changed, 42 insertions(+), 20 deletions(-)
 
 diff --git a/block/file-posix.c b/block/file-posix.c
-index bda3e606dc..037839622e 100644
+index 9a16d86344..bd68df57ad 100644
 --- a/block/file-posix.c
 +++ b/block/file-posix.c
-@@ -2388,6 +2388,7 @@ raw_co_create(BlockdevCreateOptions *options, Error **errp)
+@@ -2487,6 +2487,7 @@ raw_co_create(BlockdevCreateOptions *options, Error **errp)
      int fd;
      uint64_t perm, shared;
      int result = 0;
@@ -24,7 +24,7 @@ index bda3e606dc..037839622e 100644
  
      /* Validate options and set default values */
      assert(options->driver == BLOCKDEV_DRIVER_FILE);
-@@ -2428,19 +2429,22 @@ raw_co_create(BlockdevCreateOptions *options, Error **errp)
+@@ -2527,19 +2528,22 @@ raw_co_create(BlockdevCreateOptions *options, Error **errp)
      perm = BLK_PERM_WRITE | BLK_PERM_RESIZE;
      shared = BLK_PERM_ALL & ~BLK_PERM_RESIZE;
  
@@ -59,7 +59,7 @@ index bda3e606dc..037839622e 100644
      }
  
      /* Clear the file by truncating it to 0 */
-@@ -2494,13 +2498,15 @@ raw_co_create(BlockdevCreateOptions *options, Error **errp)
+@@ -2593,13 +2597,15 @@ raw_co_create(BlockdevCreateOptions *options, Error **errp)
      }
  
  out_unlock:
@@ -82,7 +82,7 @@ index bda3e606dc..037839622e 100644
      }
  
  out_close:
-@@ -2525,6 +2531,7 @@ static int coroutine_fn raw_co_create_opts(BlockDriver *drv,
+@@ -2624,6 +2630,7 @@ static int coroutine_fn raw_co_create_opts(BlockDriver *drv,
      PreallocMode prealloc;
      char *buf = NULL;
      Error *local_err = NULL;
@@ -90,7 +90,7 @@ index bda3e606dc..037839622e 100644
  
      /* Skip file: protocol prefix */
      strstart(filename, "file:", &filename);
-@@ -2547,6 +2554,18 @@ static int coroutine_fn raw_co_create_opts(BlockDriver *drv,
+@@ -2646,6 +2653,18 @@ static int coroutine_fn raw_co_create_opts(BlockDriver *drv,
          return -EINVAL;
      }
  
@@ -109,7 +109,7 @@ index bda3e606dc..037839622e 100644
      options = (BlockdevCreateOptions) {
          .driver     = BLOCKDEV_DRIVER_FILE,
          .u.file     = {
-@@ -2558,6 +2577,8 @@ static int coroutine_fn raw_co_create_opts(BlockDriver *drv,
+@@ -2657,6 +2676,8 @@ static int coroutine_fn raw_co_create_opts(BlockDriver *drv,
              .nocow              = nocow,
              .has_extent_size_hint = has_extent_size_hint,
              .extent_size_hint   = extent_size_hint,
@@ -118,20 +118,11 @@ index bda3e606dc..037839622e 100644
          },
      };
      return raw_co_create(&options, errp);
-@@ -3104,7 +3125,7 @@ static int raw_check_perm(BlockDriverState *bs, uint64_t perm, uint64_t shared,
-     }
- 
-     /* Copy locks to the new fd */
--    if (s->perm_change_fd) {
-+    if (s->use_lock && s->perm_change_fd) {
-         ret = raw_apply_lock_bytes(NULL, s->perm_change_fd, perm, ~shared,
-                                    false, errp);
-         if (ret < 0) {
 diff --git a/qapi/block-core.json b/qapi/block-core.json
-index 9db3120716..d285622589 100644
+index 7daaf545be..9e902b96bb 100644
 --- a/qapi/block-core.json
 +++ b/qapi/block-core.json
-@@ -4224,7 +4224,8 @@
+@@ -4624,7 +4624,8 @@
              'size':                 'size',
              '*preallocation':       'PreallocMode',
              '*nocow':               'bool',

debian/patches/pve/0023-PVE-monitor-disable-oob-capability.patch

@@ -18,10 +18,10 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 1 insertion(+), 2 deletions(-)
 
 diff --git a/monitor/qmp.c b/monitor/qmp.c
-index b42f8c6af3..2e37d11bd3 100644
+index 6b8cfcf6d8..3ec67e32d3 100644
 --- a/monitor/qmp.c
 +++ b/monitor/qmp.c
-@@ -466,8 +466,7 @@ void monitor_init_qmp(Chardev *chr, bool pretty, Error **errp)
+@@ -519,8 +519,7 @@ void monitor_init_qmp(Chardev *chr, bool pretty, Error **errp)
      qemu_chr_fe_set_echo(&mon->common.chr, true);
  
      /* Note: we run QMP monitor in I/O thread when @chr supports that */

debian/patches/pve/0024-PVE-Compat-4.0-used-balloon-qemu-4-0-config-size-fal.patch

@@ -26,10 +26,10 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 2 insertions(+), 1 deletion(-)
 
 diff --git a/hw/core/machine.c b/hw/core/machine.c
-index d0408049b5..5b38cf9356 100644
+index 8d34caa31d..2df9037c4e 100644
 --- a/hw/core/machine.c
 +++ b/hw/core/machine.c
-@@ -78,7 +78,8 @@ GlobalProperty hw_compat_4_0[] = {
+@@ -132,7 +132,8 @@ GlobalProperty hw_compat_4_0[] = {
      { "virtio-vga",     "edid", "false" },
      { "virtio-gpu-device", "edid", "false" },
      { "virtio-device", "use-started", "false" },

debian/patches/pve/0025-PVE-Allow-version-code-in-machine-type.patch

@@ -10,18 +10,19 @@ Version is made available as 'pve-version' in query-machines (same as,
 and only if 'is-current').
 
 Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
  hw/core/machine-qmp-cmds.c |  6 ++++++
  include/hw/boards.h        |  2 ++
  qapi/machine.json          |  4 +++-
- softmmu/vl.c               | 15 ++++++++++++++-
- 4 files changed, 25 insertions(+), 2 deletions(-)
+ softmmu/vl.c               | 25 +++++++++++++++++++++++++
+ 4 files changed, 36 insertions(+), 1 deletion(-)
 
 diff --git a/hw/core/machine-qmp-cmds.c b/hw/core/machine-qmp-cmds.c
-index 3fcb82ce2f..7868241bd5 100644
+index 76fff60a6b..ec9201fb9a 100644
 --- a/hw/core/machine-qmp-cmds.c
 +++ b/hw/core/machine-qmp-cmds.c
-@@ -238,6 +238,12 @@ MachineInfoList *qmp_query_machines(Error **errp)
+@@ -103,6 +103,12 @@ MachineInfoList *qmp_query_machines(Error **errp)
          if (strcmp(mc->name, MACHINE_GET_CLASS(current_machine)->name) == 0) {
              info->has_is_current = true;
              info->is_current = true;
@@ -35,32 +36,32 @@ index 3fcb82ce2f..7868241bd5 100644
  
          if (mc->default_cpu_type) {
 diff --git a/include/hw/boards.h b/include/hw/boards.h
-index a49e3a6b44..8e0a8c5571 100644
+index 90f1dd3aeb..14d60520d9 100644
 --- a/include/hw/boards.h
 +++ b/include/hw/boards.h
-@@ -165,6 +165,8 @@ struct MachineClass {
+@@ -230,6 +230,8 @@ struct MachineClass {
      const char *desc;
      const char *deprecation_reason;
  
 +    const char *pve_version;
 +
      void (*init)(MachineState *state);
-     void (*reset)(MachineState *state);
+     void (*reset)(MachineState *state, ShutdownCause reason);
      void (*wakeup)(MachineState *state);
 diff --git a/qapi/machine.json b/qapi/machine.json
-index dfc1a49d3c..32fc674042 100644
+index 9156103c8f..f4fb1b2c9c 100644
 --- a/qapi/machine.json
 +++ b/qapi/machine.json
-@@ -337,6 +337,8 @@
+@@ -157,6 +157,8 @@
  #
  # @default-ram-id: the default ID of initial RAM memory backend (since 5.2)
  #
 +# @pve-version: custom PVE version suffix specified as 'machine+pveN'
 +#
- # Since: 1.2.0
+ # Since: 1.2
  ##
  { 'struct': 'MachineInfo',
-@@ -344,7 +346,7 @@
+@@ -164,7 +166,7 @@
              '*is-default': 'bool', '*is-current': 'bool', 'cpu-max': 'int',
              'hotpluggable-cpus': 'bool',  'numa-mem-supported': 'bool',
              'deprecated': 'bool', '*default-cpu-type': 'str',
@@ -70,40 +71,58 @@ index dfc1a49d3c..32fc674042 100644
  ##
  # @query-machines:
 diff --git a/softmmu/vl.c b/softmmu/vl.c
-index da204d24f0..5b5512128e 100644
+index 9d737e7914..a64eee2fad 100644
 --- a/softmmu/vl.c
 +++ b/softmmu/vl.c
-@@ -2325,6 +2325,8 @@ static MachineClass *machine_parse(const char *name, GSList *machines)
+@@ -1578,6 +1578,7 @@ static const QEMUOption *lookup_opt(int argc, char **argv,
+ static MachineClass *select_machine(QDict *qdict, Error **errp)
  {
-     MachineClass *mc;
-     GSList *el;
-+    size_t pvever_index = 0;
-+    gchar *name_clean;
- 
-     if (is_help_option(name)) {
-         printf("Supported machines are:\n");
-@@ -2341,12 +2343,23 @@ static MachineClass *machine_parse(const char *name, GSList *machines)
-         exit(0);
+     const char *optarg = qdict_get_try_str(qdict, "type");
++    const char *pvever = qdict_get_try_str(qdict, "pvever");
+     GSList *machines = object_class_get_list(TYPE_MACHINE, false);
+     MachineClass *machine_class;
+     Error *local_err = NULL;
+@@ -1595,6 +1596,11 @@ static MachineClass *select_machine(QDict *qdict, Error **errp)
+         }
      }
  
--    mc = find_machine(name, machines);
-+    // PVE version is specified with '+' as seperator, e.g. pc-i440fx+pvever
-+    pvever_index = strcspn(name, "+");
-+
-+    name_clean = g_strndup(name, pvever_index);
-+    mc = find_machine(name_clean, machines);
-+    g_free(name_clean);
-+
-     if (!mc) {
-         error_report("unsupported machine type");
-         error_printf("Use -machine help to list supported machines\n");
-         exit(1);
-     }
-+
-+    if (pvever_index < strlen(name)) {
-+        mc->pve_version = &name[pvever_index+1];
++    if (machine_class) {
++        machine_class->pve_version = g_strdup(pvever);
++        qdict_del(qdict, "pvever");
 +    }
 +
-     return mc;
- }
+     g_slist_free(machines);
+     if (local_err) {
+         error_append_hint(&local_err, "Use -machine help to list supported machines\n");
+@@ -3205,12 +3211,31 @@ void qemu_init(int argc, char **argv)
+             case QEMU_OPTION_machine:
+                 {
+                     bool help;
++                    size_t pvever_index, name_len;
++                    const gchar *name;
++                    gchar *name_clean, *pvever;
  
+                     keyval_parse_into(machine_opts_dict, optarg, "type", &help, &error_fatal);
+                     if (help) {
+                         machine_help_func(machine_opts_dict);
+                         exit(EXIT_SUCCESS);
+                     }
++
++                    // PVE version is specified with '+' as seperator, e.g. pc-i440fx+pvever
++                    name = qdict_get_try_str(machine_opts_dict, "type");
++                    if (name != NULL) {
++                        name_len = strlen(name);
++                        pvever_index = strcspn(name, "+");
++                        if (pvever_index < name_len) {
++                            name_clean = g_strndup(name, pvever_index);
++                            pvever = g_strndup(name + pvever_index + 1, name_len - pvever_index - 1);
++                            qdict_put_str(machine_opts_dict, "pvever", pvever);
++                            qdict_put_str(machine_opts_dict, "type", name_clean);
++                            g_free(name_clean);
++                            g_free(pvever);
++                        }
++                    }
++
+                     break;
+                 }
+             case QEMU_OPTION_accel:

debian/patches/pve/0026-block-backup-move-bcs-bitmap-initialization-to-job-c.patch

@@ -0,0 +1,59 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Fabian Ebner <f.ebner@proxmox.com>
+Date: Wed, 2 Mar 2022 08:35:05 +0100
+Subject: [PATCH] block/backup: move bcs bitmap initialization to job creation
+
+For backing up the state of multiple disks from the same time, a job
+for each disk has to be created. It's convenient if the jobs don't
+have to be started at the same time and if operation of the VM can be
+resumed after job creation. This would lead to a window between job
+creation and running the job, where writes can happen. But no writes
+should happen between setting up the copy-before-write filter and
+setting up the block copy state bitmap, because then new writes would
+just pass through.
+
+Commit 06e0a9c16405c0a4c1eca33cf286cc04c42066a2 moved initalization of
+the bitmap to setting up the copy-before-write filter when sync_mode
+is not MIRROR_SYNC_MODE_BITMAP. Ensure that the bitmap is initialized
+upon job creation for the remaining case too, by moving the
+backup_init_bcs_bitmap call to backup_job_create.
+
+Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+---
+ block/backup.c | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/block/backup.c b/block/backup.c
+index 6a9ad97a53..9b0151c5be 100644
+--- a/block/backup.c
++++ b/block/backup.c
+@@ -237,8 +237,8 @@ static void backup_init_bcs_bitmap(BackupBlockJob *job)
+                                          true);
+     } else if (job->sync_mode == MIRROR_SYNC_MODE_TOP) {
+         /*
+-         * We can't hog the coroutine to initialize this thoroughly.
+-         * Set a flag and resume work when we are able to yield safely.
++         * Initialization is costly here. Simply set a flag and let the
++         * backup_run coroutine resume work once it can yield safely.
+          */
+         block_copy_set_skip_unallocated(job->bcs, true);
+     }
+@@ -252,8 +252,6 @@ static int coroutine_fn backup_run(Job *job, Error **errp)
+     BackupBlockJob *s = container_of(job, BackupBlockJob, common.job);
+     int ret;
+ 
+-    backup_init_bcs_bitmap(s);
+-
+     if (s->sync_mode == MIRROR_SYNC_MODE_TOP) {
+         int64_t offset = 0;
+         int64_t count;
+@@ -492,6 +490,8 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
+     block_job_add_bdrv(&job->common, "target", target, 0, BLK_PERM_ALL,
+                        &error_abort);
+ 
++    backup_init_bcs_bitmap(job);
++
+     return &job->common;
+ 
+  error:

debian/patches/pve/0027-PVE-Backup-add-vma-backup-format-code.patch

@@ -3,50 +3,53 @@ From: Dietmar Maurer <dietmar@proxmox.com>
 Date: Mon, 6 Apr 2020 12:16:57 +0200
 Subject: [PATCH] PVE-Backup: add vma backup format code
 
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+[FE: create: register all streams before entering coroutines]
+Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
 ---
  block/meson.build |   2 +
  meson.build       |   5 +
- vma-reader.c      | 857 ++++++++++++++++++++++++++++++++++++++++++++++
- vma-writer.c      | 790 ++++++++++++++++++++++++++++++++++++++++++
- vma.c             | 839 +++++++++++++++++++++++++++++++++++++++++++++
+ vma-reader.c      | 859 ++++++++++++++++++++++++++++++++++++++++++++++
+ vma-writer.c      | 791 ++++++++++++++++++++++++++++++++++++++++++
+ vma.c             | 849 +++++++++++++++++++++++++++++++++++++++++++++
  vma.h             | 150 ++++++++
- 6 files changed, 2643 insertions(+)
+ 6 files changed, 2656 insertions(+)
  create mode 100644 vma-reader.c
  create mode 100644 vma-writer.c
  create mode 100644 vma.c
  create mode 100644 vma.h
 
 diff --git a/block/meson.build b/block/meson.build
-index c10d544864..feffbc8623 100644
+index 020a89ae07..4feae20e37 100644
 --- a/block/meson.build
 +++ b/block/meson.build
-@@ -42,6 +42,8 @@ block_ss.add(files(
+@@ -46,6 +46,8 @@ block_ss.add(files(
    'zeroinit.c',
- ), zstd, zlib)
+ ), zstd, zlib, gnutls)
  
 +block_ss.add(files('../vma-writer.c'), libuuid)
 +
  softmmu_ss.add(when: 'CONFIG_TCG', if_true: files('blkreplay.c'))
+ softmmu_ss.add(files('block-ram-registrar.c'))
  
- block_ss.add(when: 'CONFIG_QCOW1', if_true: files('qcow.c'))
 diff --git a/meson.build b/meson.build
-index e3386196ba..d5b660516b 100644
+index 5c6b5a1c75..e8cf7e3d78 100644
 --- a/meson.build
 +++ b/meson.build
-@@ -725,6 +725,8 @@ keyutils = dependency('libkeyutils', required: false,
+@@ -1525,6 +1525,8 @@ keyutils = dependency('libkeyutils', required: false,
  
  has_gettid = cc.has_function('gettid')
  
 +libuuid = cc.find_library('uuid', required: true)
 +
- # Malloc tests
+ # libselinux
+ selinux = dependency('libselinux',
+                      required: get_option('selinux'),
+@@ -3596,6 +3598,9 @@ if have_tools
+                dependencies: [blockdev, qemuutil, gnutls, selinux],
+                install: true)
  
- malloc = []
-@@ -1907,6 +1909,9 @@ if have_tools
-   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
-                dependencies: [blockdev, qemuutil], install: true)
- 
-+  vma = executable('vma', files('vma.c', 'vma-reader.c'),
++  vma = executable('vma', files('vma.c', 'vma-reader.c') + genh,
 +                   dependencies: [authz, block, crypto, io, qom], install: true)
 +
    subdir('storage-daemon')
@@ -54,10 +57,10 @@ index e3386196ba..d5b660516b 100644
    subdir('contrib/elf2dmp')
 diff --git a/vma-reader.c b/vma-reader.c
 new file mode 100644
-index 0000000000..2b1d1cdab3
+index 0000000000..e65f1e8415
 --- /dev/null
 +++ b/vma-reader.c
-@@ -0,0 +1,857 @@
+@@ -0,0 +1,859 @@
 +/*
 + * VMA: Virtual Machine Archive
 + *
@@ -75,7 +78,6 @@ index 0000000000..2b1d1cdab3
 +#include <glib.h>
 +#include <uuid/uuid.h>
 +
-+#include "qemu-common.h"
 +#include "qemu/timer.h"
 +#include "qemu/ratelimit.h"
 +#include "vma.h"
@@ -252,6 +254,9 @@ index 0000000000..2b1d1cdab3
 +        if (vmar->rstate[i].bitmap) {
 +            g_free(vmar->rstate[i].bitmap);
 +        }
++        if (vmar->rstate[i].target) {
++            blk_unref(vmar->rstate[i].target);
++        }
 +    }
 +
 +    if (vmar->md5csum) {
@@ -583,7 +588,7 @@ index 0000000000..2b1d1cdab3
 +            }
 +        }
 +    } else {
-+        int res = blk_pwrite(target, sector_num * BDRV_SECTOR_SIZE, buf, nb_sectors * BDRV_SECTOR_SIZE, 0);
++        int res = blk_pwrite(target, sector_num * BDRV_SECTOR_SIZE, nb_sectors * BDRV_SECTOR_SIZE, buf, 0);
 +        if (res < 0) {
 +            error_setg(errp, "blk_pwrite to %s failed (%d)",
 +                       bdrv_get_device_name(blk_bs(target)), res);
@@ -917,10 +922,10 @@ index 0000000000..2b1d1cdab3
 +
 diff --git a/vma-writer.c b/vma-writer.c
 new file mode 100644
-index 0000000000..11d8321ffd
+index 0000000000..df4b20793d
 --- /dev/null
 +++ b/vma-writer.c
-@@ -0,0 +1,790 @@
+@@ -0,0 +1,791 @@
 +/*
 + * VMA: Virtual Machine Archive
 + *
@@ -944,6 +949,7 @@ index 0000000000..11d8321ffd
 +#include "qemu/main-loop.h"
 +#include "qemu/coroutine.h"
 +#include "qemu/cutils.h"
++#include "qemu/memalign.h"
 +
 +#define DEBUG_VMA 0
 +
@@ -1127,9 +1133,9 @@ index 0000000000..11d8321ffd
 +    assert(qemu_in_coroutine());
 +    AioContext *ctx = qemu_get_current_aio_context();
 +    aio_set_fd_handler(ctx, fd, false, NULL, (IOHandler *)qemu_coroutine_enter,
-+                       NULL, qemu_coroutine_self());
++                       NULL, NULL, qemu_coroutine_self());
 +    qemu_coroutine_yield();
-+    aio_set_fd_handler(ctx, fd, false, NULL, NULL, NULL, NULL);
++    aio_set_fd_handler(ctx, fd, false, NULL, NULL, NULL, NULL, NULL);
 +}
 +
 +static ssize_t coroutine_fn
@@ -1713,10 +1719,10 @@ index 0000000000..11d8321ffd
 +}
 diff --git a/vma.c b/vma.c
 new file mode 100644
-index 0000000000..2eea2fc281
+index 0000000000..e8dffb43e0
 --- /dev/null
 +++ b/vma.c
-@@ -0,0 +1,839 @@
+@@ -0,0 +1,849 @@
 +/*
 + * VMA: Virtual Machine Archive
 + *
@@ -1734,11 +1740,11 @@ index 0000000000..2eea2fc281
 +#include <glib.h>
 +
 +#include "vma.h"
-+#include "qemu-common.h"
 +#include "qemu/module.h"
 +#include "qemu/error-report.h"
 +#include "qemu/main-loop.h"
 +#include "qemu/cutils.h"
++#include "qemu/memalign.h"
 +#include "qapi/qmp/qdict.h"
 +#include "sysemu/block-backend.h"
 +
@@ -2028,8 +2034,6 @@ index 0000000000..2eea2fc281
 +    int vmstate_fd = -1;
 +    guint8 vmstate_stream = 0;
 +
-+    BlockBackend *blk = NULL;
-+
 +    for (i = 1; i < 255; i++) {
 +        VmaDeviceInfo *di = vma_reader_get_device_info(vmar, i);
 +        if (di && (strcmp(di->devname, "vmstate") == 0)) {
@@ -2050,6 +2054,8 @@ index 0000000000..2eea2fc281
 +            int flags = BDRV_O_RDWR;
 +            bool write_zero = true;
 +
++            BlockBackend *blk = NULL;
++
 +            if (readmap) {
 +                RestoreMap *map;
 +                map = (RestoreMap *)g_hash_table_lookup(devmap, di->devname);
@@ -2162,8 +2168,6 @@ index 0000000000..2eea2fc281
 +
 +    vma_reader_destroy(vmar);
 +
-+    blk_unref(blk);
-+
 +    bdrv_close_all();
 +
 +    return ret;
@@ -2292,6 +2296,7 @@ index 0000000000..2eea2fc281
 +    int i, c;
 +    int verbose = 0;
 +    const char *archivename;
++    GList *backup_coroutines = NULL;
 +    GList *config_files = NULL;
 +
 +    for (;;) {
@@ -2380,7 +2385,9 @@ index 0000000000..2eea2fc281
 +        job->dev_id = dev_id;
 +
 +        Coroutine *co = qemu_coroutine_create(backup_run, job);
-+        qemu_coroutine_enter(co);
++        // Don't enter coroutine yet, because it might write the header before
++        // all streams can be registered.
++        backup_coroutines = g_list_append(backup_coroutines, co);
 +    }
 +
 +    VmaStatus vmastat;
@@ -2388,6 +2395,13 @@ index 0000000000..2eea2fc281
 +    int last_percent = -1;
 +
 +    if (devcount) {
++        GList *entry = backup_coroutines;
++        while (entry && entry->data) {
++            Coroutine *co = entry->data;
++            qemu_coroutine_enter(co);
++            entry = g_list_next(entry);
++        }
++
 +        while (1) {
 +            main_loop_wait(false);
 +            vma_writer_get_status(vmaw, &vmastat);
@@ -2452,6 +2466,8 @@ index 0000000000..2eea2fc281
 +        g_error("creating vma archive failed");
 +    }
 +
++    g_list_free(backup_coroutines);
++    g_list_free(config_files);
 +    vma_writer_destroy(vmaw);
 +    return 0;
 +}

debian/patches/pve/0028-PVE-Backup-add-backup-dump-block-driver.patch

@@ -7,21 +7,23 @@ Subject: [PATCH] PVE-Backup: add backup-dump block driver
 - move BackupBlockJob declaration from block/backup.c to include/block/block_int.h
 - block/backup.c - backup-job-create: also consider source cluster size
 - job.c: make job_should_pause non-static
+
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
- block/backup-dump.c       | 168 ++++++++++++++++++++++++++++++++++++++
- block/backup.c            |  23 ++----
- block/meson.build         |   1 +
- include/block/block_int.h |  30 +++++++
- job.c                     |   3 +-
- 5 files changed, 206 insertions(+), 19 deletions(-)
+ block/backup-dump.c              | 167 +++++++++++++++++++++++++++++++
+ block/backup.c                   |  30 ++----
+ block/meson.build                |   1 +
+ include/block/block_int-common.h |  35 +++++++
+ job.c                            |   3 +-
+ 5 files changed, 213 insertions(+), 23 deletions(-)
  create mode 100644 block/backup-dump.c
 
 diff --git a/block/backup-dump.c b/block/backup-dump.c
 new file mode 100644
-index 0000000000..93d7f46950
+index 0000000000..04718a94e2
 --- /dev/null
 +++ b/block/backup-dump.c
-@@ -0,0 +1,168 @@
+@@ -0,0 +1,167 @@
 +/*
 + * BlockDriver to send backup data stream to a callback function
 + *
@@ -33,7 +35,6 @@ index 0000000000..93d7f46950
 + */
 +
 +#include "qemu/osdep.h"
-+#include "qemu-common.h"
 +#include "qom/object_interfaces.h"
 +#include "block/block_int.h"
 +
@@ -191,17 +192,18 @@ index 0000000000..93d7f46950
 +    return bs;
 +}
 diff --git a/block/backup.c b/block/backup.c
-index 9afa0bf3b4..3df3d532d5 100644
+index 9b0151c5be..6e8f6e67b3 100644
 --- a/block/backup.c
 +++ b/block/backup.c
-@@ -32,24 +32,6 @@
+@@ -29,28 +29,6 @@
  
- #define BACKUP_CLUSTER_SIZE_DEFAULT (1 << 16)
+ #include "block/copy-before-write.h"
  
 -typedef struct BackupBlockJob {
 -    BlockJob common;
--    BlockDriverState *backup_top;
+-    BlockDriverState *cbw;
 -    BlockDriverState *source_bs;
+-    BlockDriverState *target_bs;
 -
 -    BdrvDirtyBitmap *sync_bitmap;
 -
@@ -210,29 +212,35 @@ index 9afa0bf3b4..3df3d532d5 100644
 -    BlockdevOnError on_source_error;
 -    BlockdevOnError on_target_error;
 -    uint64_t len;
--    uint64_t bytes_read;
 -    int64_t cluster_size;
+-    BackupPerf perf;
 -
 -    BlockCopyState *bcs;
+-
+-    bool wait;
+-    BlockCopyCallState *bg_bcs_call;
 -} BackupBlockJob;
 -
  static const BlockJobDriver backup_job_driver;
  
- static void backup_progress_bytes_callback(int64_t bytes, void *opaque)
-@@ -423,6 +405,11 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
-         goto error;
+ static void backup_cleanup_sync_bitmap(BackupBlockJob *job, int ret)
+@@ -454,6 +432,14 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
      }
  
+     cluster_size = block_copy_cluster_size(bcs);
++    if (cluster_size < 0) {
++        goto error;
++    }
++
 +    BlockDriverInfo bdi;
 +    if (bdrv_get_info(bs, &bdi) == 0) {
 +        cluster_size = MAX(cluster_size, bdi.cluster_size);
 +    }
-+
-     /*
-      * If source is in backing chain of target assume that target is going to be
-      * used for "image fleecing", i.e. it should represent a kind of snapshot of
+ 
+     if (perf->max_chunk && perf->max_chunk < cluster_size) {
+         error_setg(errp, "Required max-chunk (%" PRIi64 ") is less than backup "
 diff --git a/block/meson.build b/block/meson.build
-index feffbc8623..2507af1168 100644
+index 4feae20e37..0d7023fc82 100644
 --- a/block/meson.build
 +++ b/block/meson.build
 @@ -4,6 +4,7 @@ block_ss.add(files(
@@ -240,20 +248,28 @@ index feffbc8623..2507af1168 100644
    'amend.c',
    'backup.c',
 +  'backup-dump.c',
-   'backup-top.c',
+   'copy-before-write.c',
    'blkdebug.c',
    'blklogwrites.c',
-diff --git a/include/block/block_int.h b/include/block/block_int.h
-index 6f8eda629a..5455102da8 100644
---- a/include/block/block_int.h
-+++ b/include/block/block_int.h
-@@ -63,6 +63,36 @@
+diff --git a/include/block/block_int-common.h b/include/block/block_int-common.h
+index 31ae91e56e..37b64bcd93 100644
+--- a/include/block/block_int-common.h
++++ b/include/block/block_int-common.h
+@@ -26,6 +26,7 @@
+ 
+ #include "block/accounting.h"
+ #include "block/block.h"
++#include "block/block-copy.h"
+ #include "block/aio-wait.h"
+ #include "qemu/queue.h"
+ #include "qemu/coroutine.h"
+@@ -64,6 +65,40 @@
  
  #define BLOCK_PROBE_BUF_SIZE        512
  
 +typedef int BackupDumpFunc(void *opaque, uint64_t offset, uint64_t bytes, const void *buf);
 +
-+BlockDriverState *bdrv_backuo_dump_create(
++BlockDriverState *bdrv_backup_dump_create(
 +    int dump_cb_block_size,
 +    uint64_t byte_size,
 +    BackupDumpFunc *dump_cb,
@@ -265,8 +281,9 @@ index 6f8eda629a..5455102da8 100644
 +typedef struct BlockCopyState BlockCopyState;
 +typedef struct BackupBlockJob {
 +    BlockJob common;
-+    BlockDriverState *backup_top;
++    BlockDriverState *cbw;
 +    BlockDriverState *source_bs;
++    BlockDriverState *target_bs;
 +
 +    BdrvDirtyBitmap *sync_bitmap;
 +
@@ -275,26 +292,29 @@ index 6f8eda629a..5455102da8 100644
 +    BlockdevOnError on_source_error;
 +    BlockdevOnError on_target_error;
 +    uint64_t len;
-+    uint64_t bytes_read;
 +    int64_t cluster_size;
++    BackupPerf perf;
 +
 +    BlockCopyState *bcs;
++
++    bool wait;
++    BlockCopyCallState *bg_bcs_call;
 +} BackupBlockJob;
 +
  enum BdrvTrackedRequestType {
      BDRV_TRACKED_READ,
      BDRV_TRACKED_WRITE,
 diff --git a/job.c b/job.c
-index 8fecf38960..f9884e7d9d 100644
+index 72d57f0934..93e22d180b 100644
 --- a/job.c
 +++ b/job.c
-@@ -269,7 +269,8 @@ static bool job_started(Job *job)
-     return job->co;
+@@ -330,7 +330,8 @@ static bool job_started_locked(Job *job)
  }
  
--static bool job_should_pause(Job *job)
-+bool job_should_pause(Job *job);
-+bool job_should_pause(Job *job)
+ /* Called with job_mutex held. */
+-static bool job_should_pause_locked(Job *job)
++bool job_should_pause_locked(Job *job);
++bool job_should_pause_locked(Job *job)
  {
      return job->pause_count > 0;
  }

debian/patches/pve/0029-PVE-Backup-proxmox-backup-patches-for-qemu.patch

@@ -6,33 +6,36 @@ Subject: [PATCH] PVE-Backup: proxmox backup patches for qemu
 Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>
 [PVE-Backup: avoid coroutines to fix AIO freeze, cleanups]
 Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+[FE: add new force parameter to job_cancel_sync calls
+     adapt for new job lock mechanism replacing AioContext locks]
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
 ---
  block/meson.build              |   5 +
  block/monitor/block-hmp-cmds.c |  33 ++
  blockdev.c                     |   1 +
- hmp-commands-info.hx           |  13 +
+ hmp-commands-info.hx           |  14 +
  hmp-commands.hx                |  29 +
- include/block/block_int.h      |   2 +-
  include/monitor/hmp.h          |   3 +
  meson.build                    |   1 +
  monitor/hmp-cmds.c             |  44 ++
  proxmox-backup-client.c        | 176 ++++++
  proxmox-backup-client.h        |  59 ++
- pve-backup.c                   | 957 +++++++++++++++++++++++++++++++++
+ pve-backup.c                   | 956 +++++++++++++++++++++++++++++++++
  qapi/block-core.json           | 109 ++++
  qapi/common.json               |  13 +
  qapi/machine.json              |  15 +-
- 15 files changed, 1446 insertions(+), 14 deletions(-)
+ 14 files changed, 1445 insertions(+), 13 deletions(-)
  create mode 100644 proxmox-backup-client.c
  create mode 100644 proxmox-backup-client.h
  create mode 100644 pve-backup.c
 
 diff --git a/block/meson.build b/block/meson.build
-index 2507af1168..dfae565db3 100644
+index 0d7023fc82..e995ae72b9 100644
 --- a/block/meson.build
 +++ b/block/meson.build
-@@ -44,6 +44,11 @@ block_ss.add(files(
- ), zstd, zlib)
+@@ -48,6 +48,11 @@ block_ss.add(files(
+ ), zstd, zlib, gnutls)
  
  block_ss.add(files('../vma-writer.c'), libuuid)
 +block_ss.add(files(
@@ -42,12 +45,12 @@ index 2507af1168..dfae565db3 100644
 +
  
  softmmu_ss.add(when: 'CONFIG_TCG', if_true: files('blkreplay.c'))
- 
+ softmmu_ss.add(files('block-ram-registrar.c'))
 diff --git a/block/monitor/block-hmp-cmds.c b/block/monitor/block-hmp-cmds.c
-index d15a2be827..9ba7c774a2 100644
+index b6135e9bfe..477044c54a 100644
 --- a/block/monitor/block-hmp-cmds.c
 +++ b/block/monitor/block-hmp-cmds.c
-@@ -1012,3 +1012,36 @@ void hmp_info_snapshots(Monitor *mon, const QDict *qdict)
+@@ -1015,3 +1015,36 @@ void hmp_info_snapshots(Monitor *mon, const QDict *qdict)
      g_free(sn_tab);
      g_free(global_snapshots);
  }
@@ -85,7 +88,7 @@ index d15a2be827..9ba7c774a2 100644
 +    hmp_handle_error(mon, error);
 +}
 diff --git a/blockdev.c b/blockdev.c
-index a40c6fd0f6..e2f826ca62 100644
+index 756e980889..bc8d67b290 100644
 --- a/blockdev.c
 +++ b/blockdev.c
 @@ -36,6 +36,7 @@
@@ -97,13 +100,14 @@ index a40c6fd0f6..e2f826ca62 100644
  #include "monitor/monitor.h"
  #include "qemu/error-report.h"
 diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx
-index b3b797ca28..295e14e64f 100644
+index 489c524e9e..bc1d46d845 100644
 --- a/hmp-commands-info.hx
 +++ b/hmp-commands-info.hx
-@@ -513,6 +513,19 @@ SRST
-     Show CPU statistics.
+@@ -486,6 +486,20 @@ SRST
+     Show the current VM UUID.
  ERST
  
++
 +    {
 +        .name       = "backup",
 +        .args_type  = "",
@@ -121,10 +125,10 @@ index b3b797ca28..295e14e64f 100644
      {
          .name       = "usernet",
 diff --git a/hmp-commands.hx b/hmp-commands.hx
-index d294c234a5..0c6b944850 100644
+index 039be0033d..fcf9461295 100644
 --- a/hmp-commands.hx
 +++ b/hmp-commands.hx
-@@ -98,6 +98,35 @@ ERST
+@@ -101,6 +101,35 @@ ERST
  SRST
  ``block_stream``
    Copy data from a backing file into a block device.
@@ -160,32 +164,19 @@ index d294c234a5..0c6b944850 100644
  ERST
  
      {
-diff --git a/include/block/block_int.h b/include/block/block_int.h
-index 5455102da8..1bd4b64522 100644
---- a/include/block/block_int.h
-+++ b/include/block/block_int.h
-@@ -65,7 +65,7 @@
- 
- typedef int BackupDumpFunc(void *opaque, uint64_t offset, uint64_t bytes, const void *buf);
- 
--BlockDriverState *bdrv_backuo_dump_create(
-+BlockDriverState *bdrv_backup_dump_create(
-     int dump_cb_block_size,
-     uint64_t byte_size,
-     BackupDumpFunc *dump_cb,
 diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h
-index 4e06f89e8e..10f52bd92a 100644
+index 440f86aba8..350527e599 100644
 --- a/include/monitor/hmp.h
 +++ b/include/monitor/hmp.h
-@@ -30,6 +30,7 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict);
+@@ -31,6 +31,7 @@ void hmp_info_savevm(Monitor *mon, const QDict *qdict);
+ void hmp_info_migrate(Monitor *mon, const QDict *qdict);
  void hmp_info_migrate_capabilities(Monitor *mon, const QDict *qdict);
  void hmp_info_migrate_parameters(Monitor *mon, const QDict *qdict);
- void hmp_info_migrate_cache_size(Monitor *mon, const QDict *qdict);
 +void hmp_info_backup(Monitor *mon, const QDict *qdict);
  void hmp_info_cpus(Monitor *mon, const QDict *qdict);
  void hmp_info_vnc(Monitor *mon, const QDict *qdict);
  void hmp_info_spice(Monitor *mon, const QDict *qdict);
-@@ -76,6 +77,8 @@ void hmp_x_colo_lost_heartbeat(Monitor *mon, const QDict *qdict);
+@@ -74,6 +75,8 @@ void hmp_x_colo_lost_heartbeat(Monitor *mon, const QDict *qdict);
  void hmp_set_password(Monitor *mon, const QDict *qdict);
  void hmp_expire_password(Monitor *mon, const QDict *qdict);
  void hmp_change(Monitor *mon, const QDict *qdict);
@@ -195,22 +186,22 @@ index 4e06f89e8e..10f52bd92a 100644
  void hmp_device_add(Monitor *mon, const QDict *qdict);
  void hmp_device_del(Monitor *mon, const QDict *qdict);
 diff --git a/meson.build b/meson.build
-index d5b660516b..3094f98c47 100644
+index e8cf7e3d78..782756162c 100644
 --- a/meson.build
 +++ b/meson.build
-@@ -726,6 +726,7 @@ keyutils = dependency('libkeyutils', required: false,
+@@ -1526,6 +1526,7 @@ keyutils = dependency('libkeyutils', required: false,
  has_gettid = cc.has_function('gettid')
  
  libuuid = cc.find_library('uuid', required: true)
 +libproxmox_backup_qemu = cc.find_library('proxmox_backup_qemu', required: true)
  
- # Malloc tests
- 
+ # libselinux
+ selinux = dependency('libselinux',
 diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c
-index 77ab152aab..182e79c943 100644
+index cfebfd1db5..a40b25e906 100644
 --- a/monitor/hmp-cmds.c
 +++ b/monitor/hmp-cmds.c
-@@ -195,6 +195,50 @@ void hmp_info_mice(Monitor *mon, const QDict *qdict)
+@@ -199,6 +199,50 @@ void hmp_info_mice(Monitor *mon, const QDict *qdict)
      qapi_free_MouseInfoList(mice_list);
  }
  
@@ -258,9 +249,9 @@ index 77ab152aab..182e79c943 100644
 +    qapi_free_BackupStatus(info);
 +}
 +
- static char *SocketAddress_to_str(SocketAddress *addr)
+ void hmp_info_migrate(Monitor *mon, const QDict *qdict)
  {
-     switch (addr->type) {
+     MigrationInfo *info;
 diff --git a/proxmox-backup-client.c b/proxmox-backup-client.c
 new file mode 100644
 index 0000000000..a8f6653a81
@@ -510,10 +501,10 @@ index 0000000000..1dda8b7d8f
 +#endif /* PROXMOX_BACKUP_CLIENT_H */
 diff --git a/pve-backup.c b/pve-backup.c
 new file mode 100644
-index 0000000000..d40f3f2fd6
+index 0000000000..6af212b9b4
 --- /dev/null
 +++ b/pve-backup.c
-@@ -0,0 +1,957 @@
+@@ -0,0 +1,956 @@
 +#include "proxmox-backup-client.h"
 +#include "vma.h"
 +
@@ -591,14 +582,16 @@ index 0000000000..d40f3f2fd6
 +lookup_active_block_job(PVEBackupDevInfo *di)
 +{
 +    if (!di->completed && di->bs) {
-+        for (BlockJob *job = block_job_next(NULL); job; job = block_job_next(job)) {
-+            if (job->job.driver->job_type != JOB_TYPE_BACKUP) {
-+                continue;
-+            }
++        WITH_JOB_LOCK_GUARD() {
++            for (BlockJob *job = block_job_next_locked(NULL); job; job = block_job_next_locked(job)) {
++                if (job->job.driver->job_type != JOB_TYPE_BACKUP) {
++                    continue;
++                }
 +
-+            BackupBlockJob *bjob = container_of(job, BackupBlockJob, common);
-+            if (bjob && bjob->source_bs == di->bs) {
-+                return job;
++                BackupBlockJob *bjob = container_of(job, BackupBlockJob, common);
++                if (bjob && bjob->source_bs == di->bs) {
++                    return job;
++                }
 +            }
 +        }
 +    }
@@ -868,10 +861,7 @@ index 0000000000..d40f3f2fd6
 +        qemu_mutex_unlock(&backup_state.backup_mutex);
 +
 +        if (next_job) {
-+            AioContext *aio_context = next_job->job.aio_context;
-+            aio_context_acquire(aio_context);
-+            job_cancel_sync(&next_job->job);
-+            aio_context_release(aio_context);
++            job_cancel_sync(&next_job->job, true);
 +        } else {
 +            break;
 +        }
@@ -933,7 +923,7 @@ index 0000000000..d40f3f2fd6
 +    goto out;
 +}
 +
-+bool job_should_pause(Job *job);
++bool job_should_pause_locked(Job *job);
 +
 +static void pvebackup_run_next_job(void)
 +{
@@ -951,18 +941,16 @@ index 0000000000..d40f3f2fd6
 +        if (job) {
 +            qemu_mutex_unlock(&backup_state.backup_mutex);
 +
-+            AioContext *aio_context = job->job.aio_context;
-+            aio_context_acquire(aio_context);
-+
-+            if (job_should_pause(&job->job)) {
-+                bool error_or_canceled = pvebackup_error_or_canceled();
-+                if (error_or_canceled) {
-+                    job_cancel_sync(&job->job);
-+                } else {
-+                    job_resume(&job->job);
++            WITH_JOB_LOCK_GUARD() {
++                if (job_should_pause_locked(&job->job)) {
++                    bool error_or_canceled = pvebackup_error_or_canceled();
++                    if (error_or_canceled) {
++                        job_cancel_sync_locked(&job->job, true);
++                    } else {
++                        job_resume_locked(&job->job);
++                    }
 +                }
 +            }
-+            aio_context_release(aio_context);
 +            return;
 +        }
 +    }
@@ -978,6 +966,8 @@ index 0000000000..d40f3f2fd6
 +
 +    Error *local_err = NULL;
 +
++    BackupPerf perf = { .max_workers = 16 };
++
 +    /* create and start all jobs (paused state) */
 +    GList *l =  backup_state.di_list;
 +    while (l) {
@@ -991,8 +981,8 @@ index 0000000000..d40f3f2fd6
 +
 +        BlockJob *job = backup_job_create(
 +            NULL, di->bs, di->target, backup_state.speed, MIRROR_SYNC_MODE_FULL, NULL,
-+            BITMAP_SYNC_MODE_NEVER, false, NULL, BLOCKDEV_ON_ERROR_REPORT, BLOCKDEV_ON_ERROR_REPORT,
-+            JOB_DEFAULT, pvebackup_complete_cb, di, 1, NULL, &local_err);
++            BITMAP_SYNC_MODE_NEVER, false, NULL, &perf, BLOCKDEV_ON_ERROR_REPORT, BLOCKDEV_ON_ERROR_REPORT,
++            JOB_DEFAULT, pvebackup_complete_cb, di, NULL, &local_err);
 +
 +        aio_context_release(aio_context);
 +
@@ -1144,7 +1134,7 @@ index 0000000000..d40f3f2fd6
 +
 +        ssize_t size = bdrv_getlength(di->bs);
 +        if (size < 0) {
-+            error_setg_errno(task->errp, -di->size, "bdrv_getlength failed");
++            error_setg_errno(task->errp, -size, "bdrv_getlength failed");
 +            goto err;
 +        }
 +        di->size = size;
@@ -1472,12 +1462,12 @@ index 0000000000..d40f3f2fd6
 +    return info;
 +}
 diff --git a/qapi/block-core.json b/qapi/block-core.json
-index d285622589..9054db608c 100644
+index 9e902b96bb..c3b6b93472 100644
 --- a/qapi/block-core.json
 +++ b/qapi/block-core.json
-@@ -745,6 +745,115 @@
- { 'command': 'query-block', 'returns': ['BlockInfo'] }
- 
+@@ -740,6 +740,115 @@
+ { 'command': 'query-block', 'returns': ['BlockInfo'],
+   'allow-preconfig': true }
  
 +##
 +# @BackupStatus:
@@ -1592,13 +1582,13 @@ index d285622589..9054db608c 100644
  # @BlockDeviceTimedStats:
  #
 diff --git a/qapi/common.json b/qapi/common.json
-index 716712d4b3..556dab79e1 100644
+index 356db3f670..aae8a3b682 100644
 --- a/qapi/common.json
 +++ b/qapi/common.json
-@@ -145,3 +145,16 @@
+@@ -206,3 +206,16 @@
  ##
- { 'enum': 'PCIELinkWidth',
-   'data': [ '1', '2', '4', '8', '12', '16', '32' ] }
+ { 'struct': 'HumanReadableText',
+   'data': { 'human-readable-text': 'str' } }
 +
 +##
 +# @UuidInfo:
@@ -1613,7 +1603,7 @@ index 716712d4b3..556dab79e1 100644
 +##
 +{ 'struct': 'UuidInfo', 'data': {'UUID': 'str'} }
 diff --git a/qapi/machine.json b/qapi/machine.json
-index 32fc674042..145f1a4fa2 100644
+index f4fb1b2c9c..0d6ee836ed 100644
 --- a/qapi/machine.json
 +++ b/qapi/machine.json
 @@ -4,6 +4,8 @@
@@ -1625,7 +1615,7 @@ index 32fc674042..145f1a4fa2 100644
  ##
  # = Machines
  ##
-@@ -406,19 +408,6 @@
+@@ -226,19 +228,6 @@
  ##
  { 'command': 'query-target', 'returns': 'TargetInfo' }
  
@@ -1636,7 +1626,7 @@ index 32fc674042..145f1a4fa2 100644
 -#
 -# @UUID: the UUID of the guest
 -#
--# Since: 0.14.0
+-# Since: 0.14
 -#
 -# Notes: If no UUID was specified for the guest, a null UUID is returned.
 -##

debian/patches/pve/0030-PVE-Backup-pbs-restore-new-command-to-restore-from-p.patch

@@ -7,19 +7,19 @@ Subject: [PATCH] PVE-Backup: pbs-restore - new command to restore from proxmox
 Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
  meson.build   |   4 +
- pbs-restore.c | 224 ++++++++++++++++++++++++++++++++++++++++++++++++++
- 2 files changed, 228 insertions(+)
+ pbs-restore.c | 223 ++++++++++++++++++++++++++++++++++++++++++++++++++
+ 2 files changed, 227 insertions(+)
  create mode 100644 pbs-restore.c
 
 diff --git a/meson.build b/meson.build
-index 3094f98c47..6f1fafee14 100644
+index 782756162c..63ea813a9a 100644
 --- a/meson.build
 +++ b/meson.build
-@@ -1913,6 +1913,10 @@ if have_tools
-   vma = executable('vma', files('vma.c', 'vma-reader.c'),
+@@ -3602,6 +3602,10 @@ if have_tools
+   vma = executable('vma', files('vma.c', 'vma-reader.c') + genh,
                     dependencies: [authz, block, crypto, io, qom], install: true)
  
-+  pbs_restore = executable('pbs-restore', files('pbs-restore.c'),
++  pbs_restore = executable('pbs-restore', files('pbs-restore.c') + genh,
 +                  dependencies: [authz, block, crypto, io, qom,
 +                    libproxmox_backup_qemu], install: true)
 +
@@ -28,10 +28,10 @@ index 3094f98c47..6f1fafee14 100644
    subdir('contrib/elf2dmp')
 diff --git a/pbs-restore.c b/pbs-restore.c
 new file mode 100644
-index 0000000000..4d3f925a1b
+index 0000000000..2f834cf42e
 --- /dev/null
 +++ b/pbs-restore.c
-@@ -0,0 +1,224 @@
+@@ -0,0 +1,223 @@
 +/*
 + * Qemu image restore helper for Proxmox Backup
 + *
@@ -50,7 +50,6 @@ index 0000000000..4d3f925a1b
 +#include <getopt.h>
 +#include <string.h>
 +
-+#include "qemu-common.h"
 +#include "qemu/module.h"
 +#include "qemu/error-report.h"
 +#include "qemu/main-loop.h"
@@ -96,7 +95,7 @@ index 0000000000..4d3f925a1b
 +        }
 +        res = blk_pwrite_zeroes(callback_data->target, offset, data_len, 0);
 +    } else {
-+        res = blk_pwrite(callback_data->target, offset, data, data_len, 0);
++        res = blk_pwrite(callback_data->target, offset, data_len, data, 0);
 +    }
 +
 +    if (res < 0) {

debian/patches/pve/0031-PVE-Backup-Add-dirty-bitmap-tracking-for-incremental.patch

@@ -29,10 +29,10 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  6 files changed, 142 insertions(+), 23 deletions(-)
 
 diff --git a/block/monitor/block-hmp-cmds.c b/block/monitor/block-hmp-cmds.c
-index 9ba7c774a2..056d14deee 100644
+index 477044c54a..556af25861 100644
 --- a/block/monitor/block-hmp-cmds.c
 +++ b/block/monitor/block-hmp-cmds.c
-@@ -1039,6 +1039,7 @@ void hmp_backup(Monitor *mon, const QDict *qdict)
+@@ -1042,6 +1042,7 @@ void hmp_backup(Monitor *mon, const QDict *qdict)
          false, NULL, // PBS fingerprint
          false, NULL, // PBS backup-id
          false, 0, // PBS backup-time
@@ -41,10 +41,10 @@ index 9ba7c774a2..056d14deee 100644
          false, NULL, false, NULL, !!devlist,
          devlist, qdict_haskey(qdict, "speed"), speed, &error);
 diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c
-index 182e79c943..604026bb37 100644
+index a40b25e906..670f783515 100644
 --- a/monitor/hmp-cmds.c
 +++ b/monitor/hmp-cmds.c
-@@ -221,19 +221,42 @@ void hmp_info_backup(Monitor *mon, const QDict *qdict)
+@@ -225,19 +225,42 @@ void hmp_info_backup(Monitor *mon, const QDict *qdict)
              monitor_printf(mon, "End time: %s", ctime(&info->end_time));
          }
  
@@ -132,7 +132,7 @@ index 1dda8b7d8f..8cbf645b2c 100644
  
  
 diff --git a/pve-backup.c b/pve-backup.c
-index d40f3f2fd6..1cd9d31d7c 100644
+index 3d28975eaa..abd7062afe 100644
 --- a/pve-backup.c
 +++ b/pve-backup.c
 @@ -28,6 +28,8 @@
@@ -162,7 +162,7 @@ index d40f3f2fd6..1cd9d31d7c 100644
      BlockDriverState *target;
  } PVEBackupDevInfo;
  
-@@ -105,11 +110,12 @@ static bool pvebackup_error_or_canceled(void)
+@@ -107,11 +112,12 @@ static bool pvebackup_error_or_canceled(void)
      return error_or_canceled;
  }
  
@@ -176,7 +176,7 @@ index d40f3f2fd6..1cd9d31d7c 100644
      qemu_mutex_unlock(&backup_state.stat.lock);
  }
  
-@@ -148,7 +154,8 @@ pvebackup_co_dump_pbs_cb(
+@@ -150,7 +156,8 @@ pvebackup_co_dump_pbs_cb(
          pvebackup_propagate_error(local_err);
          return pbs_res;
      } else {
@@ -186,7 +186,7 @@ index d40f3f2fd6..1cd9d31d7c 100644
      }
  
      return size;
-@@ -208,11 +215,11 @@ pvebackup_co_dump_vma_cb(
+@@ -210,11 +217,11 @@ pvebackup_co_dump_vma_cb(
          } else {
              if (remaining >= VMA_CLUSTER_SIZE) {
                  assert(ret == VMA_CLUSTER_SIZE);
@@ -200,7 +200,7 @@ index d40f3f2fd6..1cd9d31d7c 100644
                  remaining = 0;
              }
          }
-@@ -248,6 +255,18 @@ static void coroutine_fn pvebackup_co_cleanup(void *unused)
+@@ -250,6 +257,18 @@ static void coroutine_fn pvebackup_co_cleanup(void *unused)
              if (local_err != NULL) {
                  pvebackup_propagate_error(local_err);
              }
@@ -219,7 +219,7 @@ index d40f3f2fd6..1cd9d31d7c 100644
          }
  
          proxmox_backup_disconnect(backup_state.pbs);
-@@ -303,6 +322,12 @@ static void pvebackup_complete_cb(void *opaque, int ret)
+@@ -305,6 +324,12 @@ static void pvebackup_complete_cb(void *opaque, int ret)
      // remove self from job queue
      backup_state.di_list = g_list_remove(backup_state.di_list, di);
  
@@ -232,7 +232,7 @@ index d40f3f2fd6..1cd9d31d7c 100644
      g_free(di);
  
      qemu_mutex_unlock(&backup_state.backup_mutex);
-@@ -470,12 +495,18 @@ static bool create_backup_jobs(void) {
+@@ -469,12 +494,18 @@ static bool create_backup_jobs(void) {
  
          assert(di->target != NULL);
  
@@ -247,13 +247,13 @@ index d40f3f2fd6..1cd9d31d7c 100644
  
          BlockJob *job = backup_job_create(
 -            NULL, di->bs, di->target, backup_state.speed, MIRROR_SYNC_MODE_FULL, NULL,
--            BITMAP_SYNC_MODE_NEVER, false, NULL, BLOCKDEV_ON_ERROR_REPORT, BLOCKDEV_ON_ERROR_REPORT,
+-            BITMAP_SYNC_MODE_NEVER, false, NULL, &perf, BLOCKDEV_ON_ERROR_REPORT, BLOCKDEV_ON_ERROR_REPORT,
 +            NULL, di->bs, di->target, backup_state.speed, sync_mode, di->bitmap,
-+            bitmap_mode, false, NULL, BLOCKDEV_ON_ERROR_REPORT, BLOCKDEV_ON_ERROR_REPORT,
-             JOB_DEFAULT, pvebackup_complete_cb, di, 1, NULL, &local_err);
++            bitmap_mode, false, NULL, &perf, BLOCKDEV_ON_ERROR_REPORT, BLOCKDEV_ON_ERROR_REPORT,
+             JOB_DEFAULT, pvebackup_complete_cb, di, NULL, &local_err);
  
          aio_context_release(aio_context);
-@@ -526,6 +557,8 @@ typedef struct QmpBackupTask {
+@@ -525,6 +556,8 @@ typedef struct QmpBackupTask {
      const char *fingerprint;
      bool has_fingerprint;
      int64_t backup_time;
@@ -262,7 +262,7 @@ index d40f3f2fd6..1cd9d31d7c 100644
      bool has_format;
      BackupFormat format;
      bool has_config_file;
-@@ -617,6 +650,7 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -616,6 +649,7 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
      }
  
      size_t total = 0;
@@ -270,7 +270,7 @@ index d40f3f2fd6..1cd9d31d7c 100644
  
      l = di_list;
      while (l) {
-@@ -654,6 +688,8 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -653,6 +687,8 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
          int dump_cb_block_size = PROXMOX_BACKUP_DEFAULT_CHUNK_SIZE; // Hardcoded (4M)
          firewall_name = "fw.conf";
  
@@ -279,7 +279,7 @@ index d40f3f2fd6..1cd9d31d7c 100644
          char *pbs_err = NULL;
          pbs = proxmox_backup_new(
              task->backup_file,
-@@ -673,7 +709,8 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -672,7 +708,8 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
              goto err;
          }
  
@@ -289,7 +289,7 @@ index d40f3f2fd6..1cd9d31d7c 100644
              goto err;
  
          /* register all devices */
-@@ -684,9 +721,40 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -683,9 +720,40 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
  
              const char *devname = bdrv_get_device_name(di->bs);
  
@@ -332,7 +332,7 @@ index d40f3f2fd6..1cd9d31d7c 100644
  
              if (!(di->target = bdrv_backup_dump_create(dump_cb_block_size, di->size, pvebackup_co_dump_pbs_cb, di, task->errp))) {
                  goto err;
-@@ -695,6 +763,8 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -694,6 +762,8 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
              di->dev_id = dev_id;
          }
      } else if (format == BACKUP_FORMAT_VMA) {
@@ -341,7 +341,7 @@ index d40f3f2fd6..1cd9d31d7c 100644
          vmaw = vma_writer_create(task->backup_file, uuid, &local_err);
          if (!vmaw) {
              if (local_err) {
-@@ -722,6 +792,8 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -721,6 +791,8 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
              }
          }
      } else if (format == BACKUP_FORMAT_DIR) {
@@ -350,7 +350,7 @@ index d40f3f2fd6..1cd9d31d7c 100644
          if (mkdir(task->backup_file, 0640) != 0) {
              error_setg_errno(task->errp, errno, "can't create directory '%s'\n",
                               task->backup_file);
-@@ -794,8 +866,10 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -793,8 +865,10 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
      char *uuid_str = g_strdup(backup_state.stat.uuid_str);
  
      backup_state.stat.total = total;
@@ -361,7 +361,7 @@ index d40f3f2fd6..1cd9d31d7c 100644
  
      qemu_mutex_unlock(&backup_state.stat.lock);
  
-@@ -819,6 +893,10 @@ err:
+@@ -818,6 +892,10 @@ err:
          PVEBackupDevInfo *di = (PVEBackupDevInfo *)l->data;
          l = g_list_next(l);
  
@@ -372,7 +372,7 @@ index d40f3f2fd6..1cd9d31d7c 100644
          if (di->target) {
              bdrv_unref(di->target);
          }
-@@ -860,6 +938,7 @@ UuidInfo *qmp_backup(
+@@ -859,6 +937,7 @@ UuidInfo *qmp_backup(
      bool has_fingerprint, const char *fingerprint,
      bool has_backup_id, const char *backup_id,
      bool has_backup_time, int64_t backup_time,
@@ -380,7 +380,7 @@ index d40f3f2fd6..1cd9d31d7c 100644
      bool has_format, BackupFormat format,
      bool has_config_file, const char *config_file,
      bool has_firewall_file, const char *firewall_file,
-@@ -878,6 +957,8 @@ UuidInfo *qmp_backup(
+@@ -877,6 +956,8 @@ UuidInfo *qmp_backup(
          .backup_id = backup_id,
          .has_backup_time = has_backup_time,
          .backup_time = backup_time,
@@ -389,7 +389,7 @@ index d40f3f2fd6..1cd9d31d7c 100644
          .has_format = has_format,
          .format = format,
          .has_config_file = has_config_file,
-@@ -946,10 +1027,14 @@ BackupStatus *qmp_query_backup(Error **errp)
+@@ -945,10 +1026,14 @@ BackupStatus *qmp_query_backup(Error **errp)
  
      info->has_total = true;
      info->total = backup_state.stat.total;
@@ -405,10 +405,10 @@ index d40f3f2fd6..1cd9d31d7c 100644
      qemu_mutex_unlock(&backup_state.stat.lock);
  
 diff --git a/qapi/block-core.json b/qapi/block-core.json
-index 9054db608c..d4e1c98c50 100644
+index c3b6b93472..992e6c1e3f 100644
 --- a/qapi/block-core.json
 +++ b/qapi/block-core.json
-@@ -758,8 +758,13 @@
+@@ -753,8 +753,13 @@
  #
  # @total: total amount of bytes involved in the backup process
  #
@@ -422,7 +422,7 @@ index 9054db608c..d4e1c98c50 100644
  # @zero-bytes: amount of 'zero' bytes detected.
  #
  # @start-time: time (epoch) when backup job started.
-@@ -772,8 +777,8 @@
+@@ -767,8 +772,8 @@
  #
  ##
  { 'struct': 'BackupStatus',
@@ -433,7 +433,7 @@ index 9054db608c..d4e1c98c50 100644
             '*start-time': 'int', '*end-time': 'int',
             '*backup-file': 'str', '*uuid': 'str' } }
  
-@@ -816,6 +821,8 @@
+@@ -811,6 +816,8 @@
  #
  # @backup-time: backup timestamp (Unix epoch, required for format 'pbs')
  #
@@ -442,7 +442,7 @@ index 9054db608c..d4e1c98c50 100644
  # Returns: the uuid of the backup job
  #
  ##
-@@ -826,6 +833,7 @@
+@@ -821,6 +828,7 @@
                                      '*fingerprint': 'str',
                                      '*backup-id': 'str',
                                      '*backup-time': 'int',

debian/patches/pve/0032-PVE-various-PBS-fixes.patch

@@ -11,6 +11,7 @@ Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
 
 PVE: add zero block handling to PBS dump callback
 Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
  block/monitor/block-hmp-cmds.c |  4 ++-
  pve-backup.c                   | 57 +++++++++++++++++++++++++++-------
@@ -18,10 +19,10 @@ Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
  3 files changed, 54 insertions(+), 13 deletions(-)
 
 diff --git a/block/monitor/block-hmp-cmds.c b/block/monitor/block-hmp-cmds.c
-index 056d14deee..46c63b1cf9 100644
+index 556af25861..a09f722fea 100644
 --- a/block/monitor/block-hmp-cmds.c
 +++ b/block/monitor/block-hmp-cmds.c
-@@ -1039,7 +1039,9 @@ void hmp_backup(Monitor *mon, const QDict *qdict)
+@@ -1042,7 +1042,9 @@ void hmp_backup(Monitor *mon, const QDict *qdict)
          false, NULL, // PBS fingerprint
          false, NULL, // PBS backup-id
          false, 0, // PBS backup-time
@@ -33,7 +34,7 @@ index 056d14deee..46c63b1cf9 100644
          false, NULL, false, NULL, !!devlist,
          devlist, qdict_haskey(qdict, "speed"), speed, &error);
 diff --git a/pve-backup.c b/pve-backup.c
-index 1cd9d31d7c..b8182aaf89 100644
+index abd7062afe..e113ab61b9 100644
 --- a/pve-backup.c
 +++ b/pve-backup.c
 @@ -8,6 +8,7 @@
@@ -52,7 +53,7 @@ index 1cd9d31d7c..b8182aaf89 100644
      uint8_t dev_id;
      bool completed;
      char targetfile[PATH_MAX];
-@@ -135,10 +137,13 @@ pvebackup_co_dump_pbs_cb(
+@@ -137,10 +139,13 @@ pvebackup_co_dump_pbs_cb(
      PVEBackupDevInfo *di = opaque;
  
      assert(backup_state.pbs);
@@ -66,7 +67,7 @@ index 1cd9d31d7c..b8182aaf89 100644
      qemu_co_mutex_lock(&backup_state.dump_callback_mutex);
  
      // avoid deadlock if job is cancelled
-@@ -147,17 +152,29 @@ pvebackup_co_dump_pbs_cb(
+@@ -149,17 +154,29 @@ pvebackup_co_dump_pbs_cb(
          return -1;
      }
  
@@ -104,7 +105,7 @@ index 1cd9d31d7c..b8182aaf89 100644
      return size;
  }
  
-@@ -178,6 +195,7 @@ pvebackup_co_dump_vma_cb(
+@@ -180,6 +197,7 @@ pvebackup_co_dump_vma_cb(
      int ret = -1;
  
      assert(backup_state.vmaw);
@@ -112,7 +113,7 @@ index 1cd9d31d7c..b8182aaf89 100644
  
      uint64_t remaining = size;
  
-@@ -204,9 +222,7 @@ pvebackup_co_dump_vma_cb(
+@@ -206,9 +224,7 @@ pvebackup_co_dump_vma_cb(
          qemu_co_mutex_unlock(&backup_state.dump_callback_mutex);
  
          ++cluster_num;
@@ -123,7 +124,7 @@ index 1cd9d31d7c..b8182aaf89 100644
          if (ret < 0) {
              Error *local_err = NULL;
              vma_writer_error_propagate(backup_state.vmaw, &local_err);
-@@ -567,6 +583,10 @@ typedef struct QmpBackupTask {
+@@ -566,6 +582,10 @@ typedef struct QmpBackupTask {
      const char *firewall_file;
      bool has_devlist;
      const char *devlist;
@@ -134,7 +135,7 @@ index 1cd9d31d7c..b8182aaf89 100644
      bool has_speed;
      int64_t speed;
      Error **errp;
-@@ -690,6 +710,7 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -689,6 +709,7 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
  
          bool use_dirty_bitmap = task->has_use_dirty_bitmap && task->use_dirty_bitmap;
  
@@ -142,7 +143,7 @@ index 1cd9d31d7c..b8182aaf89 100644
          char *pbs_err = NULL;
          pbs = proxmox_backup_new(
              task->backup_file,
-@@ -699,8 +720,10 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -698,8 +719,10 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
              task->has_password ? task->password : NULL,
              task->has_keyfile ? task->keyfile : NULL,
              task->has_key_password ? task->key_password : NULL,
@@ -154,7 +155,7 @@ index 1cd9d31d7c..b8182aaf89 100644
  
          if (!pbs) {
              error_set(task->errp, ERROR_CLASS_GENERIC_ERROR,
-@@ -719,6 +742,8 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -718,6 +741,8 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
              PVEBackupDevInfo *di = (PVEBackupDevInfo *)l->data;
              l = g_list_next(l);
  
@@ -163,7 +164,7 @@ index 1cd9d31d7c..b8182aaf89 100644
              const char *devname = bdrv_get_device_name(di->bs);
  
              BdrvDirtyBitmap *bitmap = bdrv_find_dirty_bitmap(di->bs, PBS_BITMAP_NAME);
-@@ -939,6 +964,8 @@ UuidInfo *qmp_backup(
+@@ -938,6 +963,8 @@ UuidInfo *qmp_backup(
      bool has_backup_id, const char *backup_id,
      bool has_backup_time, int64_t backup_time,
      bool has_use_dirty_bitmap, bool use_dirty_bitmap,
@@ -172,7 +173,7 @@ index 1cd9d31d7c..b8182aaf89 100644
      bool has_format, BackupFormat format,
      bool has_config_file, const char *config_file,
      bool has_firewall_file, const char *firewall_file,
-@@ -949,6 +976,8 @@ UuidInfo *qmp_backup(
+@@ -948,6 +975,8 @@ UuidInfo *qmp_backup(
          .backup_file = backup_file,
          .has_password = has_password,
          .password = password,
@@ -181,7 +182,7 @@ index 1cd9d31d7c..b8182aaf89 100644
          .has_key_password = has_key_password,
          .key_password = key_password,
          .has_fingerprint = has_fingerprint,
-@@ -959,6 +988,10 @@ UuidInfo *qmp_backup(
+@@ -958,6 +987,10 @@ UuidInfo *qmp_backup(
          .backup_time = backup_time,
          .has_use_dirty_bitmap = has_use_dirty_bitmap,
          .use_dirty_bitmap = use_dirty_bitmap,
@@ -193,10 +194,10 @@ index 1cd9d31d7c..b8182aaf89 100644
          .format = format,
          .has_config_file = has_config_file,
 diff --git a/qapi/block-core.json b/qapi/block-core.json
-index d4e1c98c50..0fda1e3fd3 100644
+index 992e6c1e3f..5ac6276dc1 100644
 --- a/qapi/block-core.json
 +++ b/qapi/block-core.json
-@@ -823,6 +823,10 @@
+@@ -818,6 +818,10 @@
  #
  # @use-dirty-bitmap: use dirty bitmap to detect incremental changes since last job (optional for format 'pbs')
  #
@@ -207,7 +208,7 @@ index d4e1c98c50..0fda1e3fd3 100644
  # Returns: the uuid of the backup job
  #
  ##
-@@ -834,6 +838,8 @@
+@@ -829,6 +833,8 @@
                                      '*backup-id': 'str',
                                      '*backup-time': 'int',
                                      '*use-dirty-bitmap': 'bool',

debian/patches/pve/0033-PVE-Add-PBS-block-driver-to-map-backup-archives-into.patch

@@ -6,20 +6,25 @@ Subject: [PATCH] PVE: Add PBS block driver to map backup archives into VMs
 Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
 [error cleanups, file_open implementation]
 Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+[FE: adapt to changed function signatures
+     make pbs_co_preadv return values consistent with QEMU]
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
 ---
  block/meson.build    |   3 +
- block/pbs.c          | 271 +++++++++++++++++++++++++++++++++++++++++++
+ block/pbs.c          | 276 +++++++++++++++++++++++++++++++++++++++++++
  configure            |   9 ++
- meson.build          |   1 +
- qapi/block-core.json |  14 ++-
- 5 files changed, 297 insertions(+), 1 deletion(-)
+ meson.build          |   2 +-
+ qapi/block-core.json |  13 ++
+ qapi/pragma.json     |   1 +
+ 6 files changed, 303 insertions(+), 1 deletion(-)
  create mode 100644 block/pbs.c
 
 diff --git a/block/meson.build b/block/meson.build
-index dfae565db3..a070060e53 100644
+index e995ae72b9..7ef2fa72d5 100644
 --- a/block/meson.build
 +++ b/block/meson.build
-@@ -49,6 +49,9 @@ block_ss.add(files(
+@@ -53,6 +53,9 @@ block_ss.add(files(
    '../pve-backup.c',
  ), libproxmox_backup_qemu)
  
@@ -28,13 +33,13 @@ index dfae565db3..a070060e53 100644
 +
  
  softmmu_ss.add(when: 'CONFIG_TCG', if_true: files('blkreplay.c'))
- 
+ softmmu_ss.add(files('block-ram-registrar.c'))
 diff --git a/block/pbs.c b/block/pbs.c
 new file mode 100644
-index 0000000000..1481a2bfd1
+index 0000000000..9d1f1f39d4
 --- /dev/null
 +++ b/block/pbs.c
-@@ -0,0 +1,271 @@
+@@ -0,0 +1,276 @@
 +/*
 + * Proxmox Backup Server read-only block driver
 + */
@@ -231,20 +236,25 @@ index 0000000000..1481a2bfd1
 +}
 +
 +static coroutine_fn int pbs_co_preadv(BlockDriverState *bs,
-+                                      uint64_t offset, uint64_t bytes,
-+                                      QEMUIOVector *qiov, int flags)
++                                      int64_t offset, int64_t bytes,
++                                      QEMUIOVector *qiov, BdrvRequestFlags flags)
 +{
 +    BDRVPBSState *s = bs->opaque;
 +    int ret;
 +    char *pbs_error = NULL;
 +    uint8_t *buf = malloc(bytes);
 +
++    if (offset < 0 || bytes < 0) {
++        fprintf(stderr, "unexpected negative 'offset' or 'bytes' value!\n");
++        return -EIO;
++    }
++
 +    ReadCallbackData rcb = {
 +        .co = qemu_coroutine_self(),
 +        .ctx = bdrv_get_aio_context(bs),
 +    };
 +
-+    proxmox_restore_read_image_at_async(s->conn, s->aid, buf, offset, bytes,
++    proxmox_restore_read_image_at_async(s->conn, s->aid, buf, (uint64_t)offset, (uint64_t)bytes,
 +                                        read_callback, (void *) &rcb, &ret, &pbs_error);
 +
 +    qemu_coroutine_yield();
@@ -258,12 +268,12 @@ index 0000000000..1481a2bfd1
 +    qemu_iovec_from_buf(qiov, 0, buf, bytes);
 +    free(buf);
 +
-+    return ret;
++    return 0;
 +}
 +
 +static coroutine_fn int pbs_co_pwritev(BlockDriverState *bs,
-+                                       uint64_t offset, uint64_t bytes,
-+                                       QEMUIOVector *qiov, int flags)
++                                       int64_t offset, int64_t bytes,
++                                       QEMUIOVector *qiov, BdrvRequestFlags flags)
 +{
 +    fprintf(stderr, "pbs-bdrv: cannot write to backup file, make sure "
 +           "any attached disk devices are set to read-only!\n");
@@ -307,72 +317,72 @@ index 0000000000..1481a2bfd1
 +
 +block_init(bdrv_pbs_init);
 diff --git a/configure b/configure
-index 18c26e0389..33d9933871 100755
+index 26c7bc5154..c587e986c7 100755
 --- a/configure
 +++ b/configure
-@@ -436,6 +436,7 @@ vvfat="yes"
- qed="yes"
- parallels="yes"
- sheepdog="no"
+@@ -285,6 +285,7 @@ linux_user=""
+ bsd_user=""
+ pie=""
+ coroutine=""
 +pbs_bdrv="yes"
- libxml2=""
- debug_mutex="no"
- libpmem=""
-@@ -1461,6 +1462,10 @@ for opt do
-   ;;
-   --enable-sheepdog) sheepdog="yes"
+ plugins="$default_feature"
+ meson=""
+ ninja=""
+@@ -864,6 +865,10 @@ for opt do
+   --enable-uuid|--disable-uuid)
+       echo "$0: $opt is obsolete, UUID support is always built" >&2
    ;;
 +  --disable-pbs-bdrv) pbs_bdrv="no"
 +  ;;
 +  --enable-pbs-bdrv) pbs_bdrv="yes"
 +  ;;
-   --disable-vhost-user) vhost_user="no"
+   --with-git=*) git="$optarg"
    ;;
-   --enable-vhost-user) vhost_user="yes"
-@@ -1843,6 +1848,7 @@ disabled with --disable-FEATURE, default is enabled if available:
-   qed             qed image format support
-   parallels       parallels image format support
-   sheepdog        sheepdog block driver support (deprecated)
+   --with-git-submodules=*)
+@@ -1049,6 +1054,7 @@ cat << EOF
+   debug-info      debugging information
+   safe-stack      SafeStack Stack Smash Protection. Depends on
+                   clang/llvm >= 3.7 and requires coroutine backend ucontext.
 +  pbs-bdrv        Proxmox backup server read-only block driver support
-   crypto-afalg    Linux AF_ALG crypto backend driver
-   capstone        capstone disassembler support
-   debug-mutex     mutex debugging support
-@@ -6682,6 +6688,9 @@ if test "$sheepdog" = "yes" ; then
-   add_to deprecated_features "sheepdog"
-   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
+ 
+ NOTE: The object files are built at the place where configure is launched
+ EOF
+@@ -2372,6 +2378,9 @@ echo "TARGET_DIRS=$target_list" >> $config_host_mak
+ if test "$modules" = "yes"; then
+   echo "CONFIG_MODULES=y" >> $config_host_mak
  fi
 +if test "$pbs_bdrv" = "yes" ; then
 +  echo "CONFIG_PBS_BDRV=y" >> $config_host_mak
 +fi
- if test "$pty_h" = "yes" ; then
-   echo "HAVE_PTY_H=y" >> $config_host_mak
- fi
+ 
+ # XXX: suppress that
+ if [ "$bsd" = "yes" ] ; then
 diff --git a/meson.build b/meson.build
-index 6f1fafee14..4d156d35ce 100644
+index 63ea813a9a..f7f5b3f253 100644
 --- a/meson.build
 +++ b/meson.build
-@@ -2199,6 +2199,7 @@ summary_info += {'vvfat support':     config_host.has_key('CONFIG_VVFAT')}
- summary_info += {'qed support':       config_host.has_key('CONFIG_QED')}
- summary_info += {'parallels support': config_host.has_key('CONFIG_PARALLELS')}
- summary_info += {'sheepdog support':  config_host.has_key('CONFIG_SHEEPDOG')}
+@@ -3978,7 +3978,7 @@ summary_info += {'bzip2 support':     libbzip2}
+ summary_info += {'lzfse support':     liblzfse}
+ summary_info += {'zstd support':      zstd}
+ summary_info += {'NUMA host support': numa}
+-summary_info += {'capstone':          capstone}
 +summary_info += {'PBS bdrv support':  config_host.has_key('CONFIG_PBS_BDRV')}
- summary_info += {'capstone':          capstone_opt == 'disabled' ? false : capstone_opt}
- summary_info += {'libpmem support':   config_host.has_key('CONFIG_LIBPMEM')}
- summary_info += {'libdaxctl support': config_host.has_key('CONFIG_LIBDAXCTL')}
+ summary_info += {'libpmem support':   libpmem}
+ summary_info += {'libdaxctl support': libdaxctl}
+ summary_info += {'libudev':           libudev}
 diff --git a/qapi/block-core.json b/qapi/block-core.json
-index 0fda1e3fd3..553112d998 100644
+index 5ac6276dc1..45b63dfe26 100644
 --- a/qapi/block-core.json
 +++ b/qapi/block-core.json
-@@ -2975,7 +2975,7 @@
-             'luks', 'nbd', 'nfs', 'null-aio', 'null-co', 'nvme', 'parallels',
-             'qcow', 'qcow2', 'qed', 'quorum', 'raw', 'rbd',
-             { 'name': 'replication', 'if': 'defined(CONFIG_REPLICATION)' },
--            'sheepdog',
-+            'sheepdog', 'pbs',
-             'ssh', 'throttle', 'vdi', 'vhdx', 'vmdk', 'vpc', 'vvfat' ] }
- 
- ##
-@@ -3039,6 +3039,17 @@
+@@ -3103,6 +3103,7 @@
+             'parallels', 'preallocate', 'qcow', 'qcow2', 'qed', 'quorum',
+             'raw', 'rbd',
+             { 'name': 'replication', 'if': 'CONFIG_REPLICATION' },
++            'pbs',
+             'ssh', 'throttle', 'vdi', 'vhdx',
+             { 'name': 'virtio-blk-vfio-pci', 'if': 'CONFIG_BLKIO' },
+             { 'name': 'virtio-blk-vhost-user', 'if': 'CONFIG_BLKIO' },
+@@ -3179,6 +3180,17 @@
  { 'struct': 'BlockdevOptionsNull',
    'data': { '*size': 'int', '*latency-ns': 'uint64', '*read-zeroes': 'bool' } }
  
@@ -390,11 +400,23 @@ index 0fda1e3fd3..553112d998 100644
  ##
  # @BlockdevOptionsNVMe:
  #
-@@ -4148,6 +4159,7 @@
+@@ -4531,6 +4543,7 @@
        'nfs':        'BlockdevOptionsNfs',
        'null-aio':   'BlockdevOptionsNull',
        'null-co':    'BlockdevOptionsNull',
 +      'pbs':        'BlockdevOptionsPbs',
        'nvme':       'BlockdevOptionsNVMe',
-       'parallels':  'BlockdevOptionsGenericFormat',
-       'qcow2':      'BlockdevOptionsQcow2',
+       'nvme-io_uring': { 'type': 'BlockdevOptionsNvmeIoUring',
+                          'if': 'CONFIG_BLKIO' },
+diff --git a/qapi/pragma.json b/qapi/pragma.json
+index f2097b9020..5ab1890519 100644
+--- a/qapi/pragma.json
++++ b/qapi/pragma.json
+@@ -47,6 +47,7 @@
+         'BlockInfo',                # query-block
+         'BlockdevAioOptions',       # blockdev-add, -blockdev
+         'BlockdevDriver',           # blockdev-add, query-blockstats, ...
++        'BlockdevOptionsPbs',       # for PBS backwards compat
+         'BlockdevVmdkAdapterType',  # blockdev-create (to match VMDK spec)
+         'BlockdevVmdkSubformat',    # blockdev-create (to match VMDK spec)
+         'ColoCompareProperties',    # object_add, -object

debian/patches/pve/0034-PVE-add-query_proxmox_support-QMP-command.patch

@@ -16,10 +16,10 @@ Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
  2 files changed, 38 insertions(+)
 
 diff --git a/pve-backup.c b/pve-backup.c
-index b8182aaf89..98e79552ef 100644
+index e113ab61b9..9318ca4f0c 100644
 --- a/pve-backup.c
 +++ b/pve-backup.c
-@@ -1073,3 +1073,12 @@ BackupStatus *qmp_query_backup(Error **errp)
+@@ -1072,3 +1072,12 @@ BackupStatus *qmp_query_backup(Error **errp)
  
      return info;
  }
@@ -33,10 +33,10 @@ index b8182aaf89..98e79552ef 100644
 +    return ret;
 +}
 diff --git a/qapi/block-core.json b/qapi/block-core.json
-index 553112d998..f3608390c4 100644
+index 45b63dfe26..8b0e0d92de 100644
 --- a/qapi/block-core.json
 +++ b/qapi/block-core.json
-@@ -868,6 +868,35 @@
+@@ -863,6 +863,35 @@
  ##
  { 'command': 'backup-cancel' }
  

debian/patches/pve/0035-PVE-add-query-pbs-bitmap-info-QMP-call.patch

@@ -7,6 +7,7 @@ Returns advanced information about dirty bitmaps used (or not used) for
 the latest PBS backup.
 
 Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
  monitor/hmp-cmds.c   |  28 ++++++-----
  pve-backup.c         | 117 ++++++++++++++++++++++++++++++++-----------
@@ -14,10 +15,10 @@ Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
  3 files changed, 159 insertions(+), 42 deletions(-)
 
 diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c
-index 604026bb37..95f4e7f5c1 100644
+index 670f783515..d819e5fc36 100644
 --- a/monitor/hmp-cmds.c
 +++ b/monitor/hmp-cmds.c
-@@ -198,6 +198,7 @@ void hmp_info_mice(Monitor *mon, const QDict *qdict)
+@@ -202,6 +202,7 @@ void hmp_info_mice(Monitor *mon, const QDict *qdict)
  void hmp_info_backup(Monitor *mon, const QDict *qdict)
  {
      BackupStatus *info;
@@ -25,7 +26,7 @@ index 604026bb37..95f4e7f5c1 100644
  
      info = qmp_query_backup(NULL);
  
-@@ -228,26 +229,29 @@ void hmp_info_backup(Monitor *mon, const QDict *qdict)
+@@ -232,26 +233,29 @@ void hmp_info_backup(Monitor *mon, const QDict *qdict)
              // this should not happen normally
              monitor_printf(mon, "Total size: %d\n", 0);
          } else {
@@ -68,7 +69,7 @@ index 604026bb37..95f4e7f5c1 100644
                             info->zero_bytes, zero_per);
  
 diff --git a/pve-backup.c b/pve-backup.c
-index 98e79552ef..8305105fd5 100644
+index 9318ca4f0c..c85b2ecd83 100644
 --- a/pve-backup.c
 +++ b/pve-backup.c
 @@ -46,6 +46,7 @@ static struct PVEBackupState {
@@ -79,7 +80,7 @@ index 98e79552ef..8305105fd5 100644
      } stat;
      int64_t speed;
      VmaWriter *vmaw;
-@@ -670,7 +671,6 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -669,7 +670,6 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
      }
  
      size_t total = 0;
@@ -87,7 +88,7 @@ index 98e79552ef..8305105fd5 100644
  
      l = di_list;
      while (l) {
-@@ -691,18 +691,33 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -690,18 +690,33 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
  
      uuid_generate(uuid);
  
@@ -124,7 +125,7 @@ index 98e79552ef..8305105fd5 100644
          }
  
          int dump_cb_block_size = PROXMOX_BACKUP_DEFAULT_CHUNK_SIZE; // Hardcoded (4M)
-@@ -729,12 +744,12 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -728,12 +743,12 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
              error_set(task->errp, ERROR_CLASS_GENERIC_ERROR,
                        "proxmox_backup_new failed: %s", pbs_err);
              proxmox_backup_free_error(pbs_err);
@@ -139,7 +140,7 @@ index 98e79552ef..8305105fd5 100644
  
          /* register all devices */
          l = di_list;
-@@ -745,6 +760,8 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -744,6 +759,8 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
              di->block_size = dump_cb_block_size;
  
              const char *devname = bdrv_get_device_name(di->bs);
@@ -148,7 +149,7 @@ index 98e79552ef..8305105fd5 100644
  
              BdrvDirtyBitmap *bitmap = bdrv_find_dirty_bitmap(di->bs, PBS_BITMAP_NAME);
              bool expect_only_dirty = false;
-@@ -753,49 +770,59 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -752,49 +769,59 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
                  if (bitmap == NULL) {
                      bitmap = bdrv_create_dirty_bitmap(di->bs, dump_cb_block_size, PBS_BITMAP_NAME, task->errp);
                      if (!bitmap) {
@@ -218,7 +219,7 @@ index 98e79552ef..8305105fd5 100644
          }
  
          /* register all devices for vma writer */
-@@ -805,7 +832,7 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -804,7 +831,7 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
              l = g_list_next(l);
  
              if (!(di->target = bdrv_backup_dump_create(VMA_CLUSTER_SIZE, di->size, pvebackup_co_dump_vma_cb, di, task->errp))) {
@@ -227,7 +228,7 @@ index 98e79552ef..8305105fd5 100644
              }
  
              const char *devname = bdrv_get_device_name(di->bs);
-@@ -813,16 +840,14 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -812,16 +839,14 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
              if (di->dev_id <= 0) {
                  error_set(task->errp, ERROR_CLASS_GENERIC_ERROR,
                            "register_stream failed");
@@ -246,7 +247,7 @@ index 98e79552ef..8305105fd5 100644
          }
          backup_dir = task->backup_file;
  
-@@ -839,18 +864,18 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -838,18 +863,18 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
                              di->size, flags, false, &local_err);
              if (local_err) {
                  error_propagate(task->errp, local_err);
@@ -268,7 +269,7 @@ index 98e79552ef..8305105fd5 100644
      }
  
  
-@@ -858,7 +883,7 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -857,7 +882,7 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
      if (task->has_config_file) {
          if (pvebackup_co_add_config(task->config_file, config_name, format, backup_dir,
                                      vmaw, pbs, task->errp) != 0) {
@@ -277,7 +278,7 @@ index 98e79552ef..8305105fd5 100644
          }
      }
  
-@@ -866,12 +891,11 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -865,12 +890,11 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
      if (task->has_firewall_file) {
          if (pvebackup_co_add_config(task->firewall_file, firewall_name, format, backup_dir,
                                      vmaw, pbs, task->errp) != 0) {
@@ -292,7 +293,7 @@ index 98e79552ef..8305105fd5 100644
  
      if (backup_state.stat.error) {
          error_free(backup_state.stat.error);
-@@ -891,10 +915,9 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -890,10 +914,9 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
      char *uuid_str = g_strdup(backup_state.stat.uuid_str);
  
      backup_state.stat.total = total;
@@ -304,7 +305,7 @@ index 98e79552ef..8305105fd5 100644
  
      qemu_mutex_unlock(&backup_state.stat.lock);
  
-@@ -911,6 +934,9 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -910,6 +933,9 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
      task->result = uuid_info;
      return;
  
@@ -314,7 +315,7 @@ index 98e79552ef..8305105fd5 100644
  err:
  
      l = di_list;
-@@ -1074,11 +1100,42 @@ BackupStatus *qmp_query_backup(Error **errp)
+@@ -1073,11 +1099,42 @@ BackupStatus *qmp_query_backup(Error **errp)
      return info;
  }
  
@@ -358,10 +359,10 @@ index 98e79552ef..8305105fd5 100644
      return ret;
  }
 diff --git a/qapi/block-core.json b/qapi/block-core.json
-index f3608390c4..f57fda122c 100644
+index 8b0e0d92de..7fde927621 100644
 --- a/qapi/block-core.json
 +++ b/qapi/block-core.json
-@@ -876,6 +876,8 @@
+@@ -871,6 +871,8 @@
  # @pbs-dirty-bitmap: True if dirty-bitmap-incremental backups to PBS are
  #                    supported.
  #
@@ -370,7 +371,7 @@ index f3608390c4..f57fda122c 100644
  # @pbs-dirty-bitmap-savevm: True if 'dirty-bitmaps' migration capability can
  #                           safely be set for savevm-async.
  #
-@@ -884,6 +886,7 @@
+@@ -879,6 +881,7 @@
  ##
  { 'struct': 'ProxmoxSupportStatus',
    'data': { 'pbs-dirty-bitmap': 'bool',
@@ -378,7 +379,7 @@ index f3608390c4..f57fda122c 100644
              'pbs-dirty-bitmap-savevm': 'bool',
              'pbs-library-version': 'str' } }
  
-@@ -897,6 +900,59 @@
+@@ -892,6 +895,59 @@
  ##
  { 'command': 'query-proxmox-support', 'returns': 'ProxmoxSupportStatus' }
  

debian/patches/pve/0036-PVE-redirect-stderr-to-journal-when-daemonized.patch

@@ -7,33 +7,34 @@ QEMU uses the logging for error messages usually, so LOG_ERR is most
 fitting.
 
 Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
  meson.build | 2 ++
  os-posix.c  | 7 +++++--
  2 files changed, 7 insertions(+), 2 deletions(-)
 
 diff --git a/meson.build b/meson.build
-index 4d156d35ce..737ea9e5d7 100644
+index f7f5b3f253..283b0e356e 100644
 --- a/meson.build
 +++ b/meson.build
-@@ -726,6 +726,7 @@ keyutils = dependency('libkeyutils', required: false,
+@@ -1526,6 +1526,7 @@ keyutils = dependency('libkeyutils', required: false,
  has_gettid = cc.has_function('gettid')
  
  libuuid = cc.find_library('uuid', required: true)
 +libsystemd = cc.find_library('systemd', required: true)
  libproxmox_backup_qemu = cc.find_library('proxmox_backup_qemu', required: true)
  
- # Malloc tests
-@@ -1539,6 +1540,7 @@ blockdev_ss.add(files(
- # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
- # os-win32.c does not
- blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
-+blockdev_ss.add(when: 'CONFIG_POSIX', if_true: libsystemd)
- softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
+ # libselinux
+@@ -3096,6 +3097,7 @@ if have_block
+   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
+   # os-win32.c does not
+   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
++  blockdev_ss.add(when: 'CONFIG_POSIX', if_true: libsystemd)
+   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
+ endif
  
- common_ss.add(files('cpus-common.c'))
 diff --git a/os-posix.c b/os-posix.c
-index 1de2839554..ac4f652923 100644
+index 4858650c3e..c5cb12226a 100644
 --- a/os-posix.c
 +++ b/os-posix.c
 @@ -28,6 +28,8 @@
@@ -43,15 +44,15 @@ index 1de2839554..ac4f652923 100644
 +#include <systemd/sd-journal.h>
 +#include <syslog.h>
  
- #include "qemu-common.h"
  /* Needed early for CONFIG_BSD etc. */
-@@ -288,9 +290,10 @@ void os_setup_post(void)
+ #include "net/slirp.h"
+@@ -287,9 +289,10 @@ void os_setup_post(void)
  
          dup2(fd, 0);
          dup2(fd, 1);
 -        /* In case -D is given do not redirect stderr to /dev/null */
 +        /* In case -D is given do not redirect stderr to journal */
-         if (!qemu_logfile) {
+         if (!qemu_log_enabled()) {
 -            dup2(fd, 2);
 +            int journal_fd = sd_journal_stream_fd("QEMU", LOG_ERR, 0);
 +            dup2(journal_fd, 2);

debian/patches/pve/0037-PVE-Add-sequential-job-transaction-support.patch

@@ -4,16 +4,17 @@ Date: Thu, 20 Aug 2020 14:31:59 +0200
 Subject: [PATCH] PVE: Add sequential job transaction support
 
 Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
  include/qemu/job.h | 12 ++++++++++++
- job.c              | 31 +++++++++++++++++++++++++++++++
- 2 files changed, 43 insertions(+)
+ job.c              | 34 ++++++++++++++++++++++++++++++++++
+ 2 files changed, 46 insertions(+)
 
 diff --git a/include/qemu/job.h b/include/qemu/job.h
-index 32aabb1c60..f7a6a0926a 100644
+index e502787dd8..963cf2bef5 100644
 --- a/include/qemu/job.h
 +++ b/include/qemu/job.h
-@@ -280,6 +280,18 @@ typedef enum JobCreateFlags {
+@@ -381,6 +381,18 @@ void job_unlock(void);
   */
  JobTxn *job_txn_new(void);
  
@@ -33,10 +34,10 @@ index 32aabb1c60..f7a6a0926a 100644
   * Release a reference that was previously acquired with job_txn_add_job or
   * job_txn_new. If it's the last reference to the object, it will be freed.
 diff --git a/job.c b/job.c
-index f9884e7d9d..05b7797e82 100644
+index 93e22d180b..2b31f1e14f 100644
 --- a/job.c
 +++ b/job.c
-@@ -72,6 +72,8 @@ struct JobTxn {
+@@ -93,6 +93,8 @@ struct JobTxn {
  
      /* Reference count */
      int refcnt;
@@ -44,8 +45,8 @@ index f9884e7d9d..05b7797e82 100644
 +    bool sequential;
  };
  
- /* Right now, this mutex is only needed to synchronize accesses to job->busy
-@@ -102,6 +104,25 @@ JobTxn *job_txn_new(void)
+ void job_lock(void)
+@@ -118,6 +120,25 @@ JobTxn *job_txn_new(void)
      return txn;
  }
  
@@ -68,20 +69,23 @@ index f9884e7d9d..05b7797e82 100644
 +    job_start(first);
 +}
 +
- static void job_txn_ref(JobTxn *txn)
+ /* Called with job_mutex held. */
+ static void job_txn_ref_locked(JobTxn *txn)
  {
-     txn->refcnt++;
-@@ -841,6 +862,9 @@ static void job_completed_txn_success(Job *job)
+@@ -1057,6 +1078,12 @@ static void job_completed_txn_success_locked(Job *job)
       */
      QLIST_FOREACH(other_job, &txn->jobs, txn_list) {
-         if (!job_is_completed(other_job)) {
+         if (!job_is_completed_locked(other_job)) {
 +            if (txn->sequential) {
++                job_unlock();
++                /* Needs to be called without holding the job lock */
 +                job_start(other_job);
++                job_lock();
 +            }
              return;
          }
          assert(other_job->ret == 0);
-@@ -1011,6 +1035,13 @@ int job_finish_sync(Job *job, void (*finish)(Job *, Error **errp), Error **errp)
+@@ -1268,6 +1295,13 @@ int job_finish_sync_locked(Job *job,
          return -EBUSY;
      }
  
@@ -89,9 +93,9 @@ index f9884e7d9d..05b7797e82 100644
 +     * of cancelling, these have not begun work so job_enter won't do anything,
 +     * let's ensure they are marked as ABORTING if required */
 +    if (job->status == JOB_STATUS_CREATED && job->txn->sequential) {
-+        job_update_rc(job);
++        job_update_rc_locked(job);
 +    }
 +
-     AIO_WAIT_WHILE(job->aio_context,
-                    (job_enter(job), !job_is_completed(job)));
- 
+     job_unlock();
+     AIO_WAIT_WHILE_UNLOCKED(job->aio_context,
+                             (job_enter(job), !job_is_completed(job)));

debian/patches/pve/0038-PVE-Backup-Use-a-transaction-to-synchronize-job-stat.patch

@@ -11,12 +11,16 @@ To keep the rate-limiting and IO impact from before, we use a sequential
 transaction, so drives will still be backed up one after the other.
 
 Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+[FE: add new force parameter to job_cancel_sync calls
+     adapt for new job lock mechanism replacing AioContext locks]
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
 ---
- pve-backup.c | 167 +++++++++++++++------------------------------------
- 1 file changed, 49 insertions(+), 118 deletions(-)
+ pve-backup.c | 163 ++++++++++++++++-----------------------------------
+ 1 file changed, 50 insertions(+), 113 deletions(-)
 
 diff --git a/pve-backup.c b/pve-backup.c
-index 8305105fd5..d7f2b2206f 100644
+index c85b2ecd83..b5fb844434 100644
 --- a/pve-backup.c
 +++ b/pve-backup.c
 @@ -52,6 +52,7 @@ static struct PVEBackupState {
@@ -27,7 +31,7 @@ index 8305105fd5..d7f2b2206f 100644
      QemuMutex backup_mutex;
      CoMutex dump_callback_mutex;
  } backup_state;
-@@ -71,32 +72,12 @@ typedef struct PVEBackupDevInfo {
+@@ -71,34 +72,12 @@ typedef struct PVEBackupDevInfo {
      size_t size;
      uint64_t block_size;
      uint8_t dev_id;
@@ -44,14 +48,16 @@ index 8305105fd5..d7f2b2206f 100644
 -lookup_active_block_job(PVEBackupDevInfo *di)
 -{
 -    if (!di->completed && di->bs) {
--        for (BlockJob *job = block_job_next(NULL); job; job = block_job_next(job)) {
--            if (job->job.driver->job_type != JOB_TYPE_BACKUP) {
--                continue;
--            }
+-        WITH_JOB_LOCK_GUARD() {
+-            for (BlockJob *job = block_job_next_locked(NULL); job; job = block_job_next_locked(job)) {
+-                if (job->job.driver->job_type != JOB_TYPE_BACKUP) {
+-                    continue;
+-                }
 -
--            BackupBlockJob *bjob = container_of(job, BackupBlockJob, common);
--            if (bjob && bjob->source_bs == di->bs) {
--                return job;
+-                BackupBlockJob *bjob = container_of(job, BackupBlockJob, common);
+-                if (bjob && bjob->source_bs == di->bs) {
+-                    return job;
+-                }
 -            }
 -        }
 -    }
@@ -61,7 +67,7 @@ index 8305105fd5..d7f2b2206f 100644
  static void pvebackup_propagate_error(Error *err)
  {
      qemu_mutex_lock(&backup_state.stat.lock);
-@@ -272,18 +253,6 @@ static void coroutine_fn pvebackup_co_cleanup(void *unused)
+@@ -274,18 +253,6 @@ static void coroutine_fn pvebackup_co_cleanup(void *unused)
              if (local_err != NULL) {
                  pvebackup_propagate_error(local_err);
              }
@@ -80,7 +86,7 @@ index 8305105fd5..d7f2b2206f 100644
          }
  
          proxmox_backup_disconnect(backup_state.pbs);
-@@ -322,8 +291,6 @@ static void pvebackup_complete_cb(void *opaque, int ret)
+@@ -324,8 +291,6 @@ static void pvebackup_complete_cb(void *opaque, int ret)
  
      qemu_mutex_lock(&backup_state.backup_mutex);
  
@@ -89,7 +95,7 @@ index 8305105fd5..d7f2b2206f 100644
      if (ret < 0) {
          Error *local_err = NULL;
          error_setg(&local_err, "job failed with err %d - %s", ret, strerror(-ret));
-@@ -336,20 +303,17 @@ static void pvebackup_complete_cb(void *opaque, int ret)
+@@ -338,20 +303,17 @@ static void pvebackup_complete_cb(void *opaque, int ret)
  
      block_on_coroutine_fn(pvebackup_complete_stream, di);
  
@@ -116,7 +122,7 @@ index 8305105fd5..d7f2b2206f 100644
  }
  
  static void pvebackup_cancel(void)
-@@ -371,36 +335,28 @@ static void pvebackup_cancel(void)
+@@ -373,32 +335,28 @@ static void pvebackup_cancel(void)
          proxmox_backup_abort(backup_state.pbs, "backup canceled");
      }
  
@@ -125,13 +131,6 @@ index 8305105fd5..d7f2b2206f 100644
 -    for(;;) {
 -
 -        BlockJob *next_job = NULL;
--
--        qemu_mutex_lock(&backup_state.backup_mutex);
--
--        GList *l = backup_state.di_list;
--        while (l) {
--            PVEBackupDevInfo *di = (PVEBackupDevInfo *)l->data;
--            l = g_list_next(l);
 +    /* it's enough to cancel one job in the transaction, the rest will follow
 +     * automatically */
 +    GList *bdi = g_list_first(backup_state.di_list);
@@ -139,15 +138,23 @@ index 8305105fd5..d7f2b2206f 100644
 +        ((PVEBackupDevInfo *)bdi->data)->job :
 +        NULL;
  
+-        qemu_mutex_lock(&backup_state.backup_mutex);
+-
+-        GList *l = backup_state.di_list;
+-        while (l) {
+-            PVEBackupDevInfo *di = (PVEBackupDevInfo *)l->data;
+-            l = g_list_next(l);
+-
 -            BlockJob *job = lookup_active_block_job(di);
 -            if (job != NULL) {
 -                next_job = job;
 -                break;
 -            }
--        }
 +    /* ref the job before releasing the mutex, just to be safe */
 +    if (cancel_job) {
-+        job_ref(&cancel_job->job);
++        WITH_JOB_LOCK_GUARD() {
++            job_ref_locked(&cancel_job->job);
+         }
 +    }
  
 -        qemu_mutex_unlock(&backup_state.backup_mutex);
@@ -156,27 +163,21 @@ index 8305105fd5..d7f2b2206f 100644
 +    qemu_mutex_unlock(&backup_state.backup_mutex);
  
 -        if (next_job) {
--            AioContext *aio_context = next_job->job.aio_context;
--            aio_context_acquire(aio_context);
--            job_cancel_sync(&next_job->job);
--            aio_context_release(aio_context);
+-            job_cancel_sync(&next_job->job, true);
 -        } else {
 -            break;
--        }
 +    if (cancel_job) {
-+        AioContext *aio_context = cancel_job->job.aio_context;
-+        aio_context_acquire(aio_context);
-+        job_cancel_sync(&cancel_job->job);
-+        job_unref(&cancel_job->job);
-+        aio_context_release(aio_context);
++        WITH_JOB_LOCK_GUARD() {
++            job_cancel_sync_locked(&cancel_job->job, true);
++            job_unref_locked(&cancel_job->job);
+         }
      }
  }
- 
-@@ -459,51 +415,19 @@ static int coroutine_fn pvebackup_co_add_config(
+@@ -458,49 +416,19 @@ static int coroutine_fn pvebackup_co_add_config(
      goto out;
  }
  
--bool job_should_pause(Job *job);
+-bool job_should_pause_locked(Job *job);
 -
 -static void pvebackup_run_next_job(void)
 -{
@@ -194,18 +195,16 @@ index 8305105fd5..d7f2b2206f 100644
 -        if (job) {
 -            qemu_mutex_unlock(&backup_state.backup_mutex);
 -
--            AioContext *aio_context = job->job.aio_context;
--            aio_context_acquire(aio_context);
--
--            if (job_should_pause(&job->job)) {
--                bool error_or_canceled = pvebackup_error_or_canceled();
--                if (error_or_canceled) {
--                    job_cancel_sync(&job->job);
--                } else {
--                    job_resume(&job->job);
+-            WITH_JOB_LOCK_GUARD() {
+-                if (job_should_pause_locked(&job->job)) {
+-                    bool error_or_canceled = pvebackup_error_or_canceled();
+-                    if (error_or_canceled) {
+-                        job_cancel_sync_locked(&job->job, true);
+-                    } else {
+-                        job_resume_locked(&job->job);
+-                    }
 -                }
 -            }
--            aio_context_release(aio_context);
 -            return;
 -        }
 -    }
@@ -228,19 +227,19 @@ index 8305105fd5..d7f2b2206f 100644
 +    }
 +    backup_state.txn = job_txn_new_seq();
 +
+     BackupPerf perf = { .max_workers = 16 };
+ 
      /* create and start all jobs (paused state) */
-     GList *l =  backup_state.di_list;
-     while (l) {
-@@ -524,7 +448,7 @@ static bool create_backup_jobs(void) {
+@@ -523,7 +451,7 @@ static bool create_backup_jobs(void) {
          BlockJob *job = backup_job_create(
              NULL, di->bs, di->target, backup_state.speed, sync_mode, di->bitmap,
-             bitmap_mode, false, NULL, BLOCKDEV_ON_ERROR_REPORT, BLOCKDEV_ON_ERROR_REPORT,
--            JOB_DEFAULT, pvebackup_complete_cb, di, 1, NULL, &local_err);
+             bitmap_mode, false, NULL, &perf, BLOCKDEV_ON_ERROR_REPORT, BLOCKDEV_ON_ERROR_REPORT,
+-            JOB_DEFAULT, pvebackup_complete_cb, di, NULL, &local_err);
 +            JOB_DEFAULT, pvebackup_complete_cb, di, backup_state.txn, &local_err);
  
          aio_context_release(aio_context);
  
-@@ -536,7 +460,8 @@ static bool create_backup_jobs(void) {
+@@ -535,7 +463,8 @@ static bool create_backup_jobs(void) {
              pvebackup_propagate_error(create_job_err);
              break;
          }
@@ -250,18 +249,20 @@ index 8305105fd5..d7f2b2206f 100644
  
          bdrv_unref(di->target);
          di->target = NULL;
-@@ -554,6 +479,10 @@ static bool create_backup_jobs(void) {
+@@ -553,6 +482,12 @@ static bool create_backup_jobs(void) {
                  bdrv_unref(di->target);
                  di->target = NULL;
              }
 +
 +            if (di->job) {
-+                job_unref(&di->job->job);
++                WITH_JOB_LOCK_GUARD() {
++                    job_unref_locked(&di->job->job);
++                }
 +            }
          }
      }
  
-@@ -944,10 +873,6 @@ err:
+@@ -943,10 +878,6 @@ err:
          PVEBackupDevInfo *di = (PVEBackupDevInfo *)l->data;
          l = g_list_next(l);
  
@@ -272,7 +273,7 @@ index 8305105fd5..d7f2b2206f 100644
          if (di->target) {
              bdrv_unref(di->target);
          }
-@@ -1036,9 +961,15 @@ UuidInfo *qmp_backup(
+@@ -1035,9 +966,15 @@ UuidInfo *qmp_backup(
      block_on_coroutine_fn(pvebackup_co_prepare, &task);
  
      if (*errp == NULL) {

debian/patches/pve/0039-PVE-Backup-Don-t-block-on-finishing-and-cleanup-crea.patch

@@ -48,13 +48,16 @@ before.
 [0] https://lists.gnu.org/archive/html/qemu-devel/2020-09/msg03515.html
 
 Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+[FE: add new force parameter to job_cancel_sync calls]
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
 ---
- pve-backup.c         | 217 ++++++++++++++++++++++++++++---------------
+ pve-backup.c         | 212 +++++++++++++++++++++++++++----------------
  qapi/block-core.json |   5 +-
- 2 files changed, 144 insertions(+), 78 deletions(-)
+ 2 files changed, 138 insertions(+), 79 deletions(-)
 
 diff --git a/pve-backup.c b/pve-backup.c
-index d7f2b2206f..e671ed8d48 100644
+index b5fb844434..88268bb586 100644
 --- a/pve-backup.c
 +++ b/pve-backup.c
 @@ -33,7 +33,9 @@ const char *PBS_BITMAP_NAME = "pbs-incremental-dirty-bitmap";
@@ -189,7 +192,7 @@ index d7f2b2206f..e671ed8d48 100644
  
      // remove self from job list
      backup_state.di_list = g_list_remove(backup_state.di_list, di);
-@@ -310,21 +321,49 @@ static void pvebackup_complete_cb(void *opaque, int ret)
+@@ -310,21 +321,46 @@ static void pvebackup_complete_cb(void *opaque, int ret)
  
      /* call cleanup if we're the last job */
      if (!g_list_first(backup_state.di_list)) {
@@ -226,10 +229,7 @@ index d7f2b2206f..e671ed8d48 100644
 +static void job_cancel_bh(void *opaque) {
 +    CoCtxData *data = (CoCtxData*)opaque;
 +    Job *job = (Job*)data->data;
-+    AioContext *job_ctx = job->aio_context;
-+    aio_context_acquire(job_ctx);
-+    job_cancel_sync(job);
-+    aio_context_release(job_ctx);
++    job_cancel_sync(job, true);
 +    aio_co_enter(data->ctx, data->co);
 +}
  
@@ -244,13 +244,15 @@ index d7f2b2206f..e671ed8d48 100644
  
      if (backup_state.vmaw) {
          /* make sure vma writer does not block anymore */
-@@ -342,27 +381,22 @@ static void pvebackup_cancel(void)
+@@ -342,28 +378,22 @@ static void pvebackup_cancel(void)
          ((PVEBackupDevInfo *)bdi->data)->job :
          NULL;
  
 -    /* ref the job before releasing the mutex, just to be safe */
      if (cancel_job) {
--        job_ref(&cancel_job->job);
+-        WITH_JOB_LOCK_GUARD() {
+-            job_ref_locked(&cancel_job->job);
+-        }
 +        CoCtxData data = {
 +            .ctx = qemu_get_current_aio_context(),
 +            .co = qemu_coroutine_self(),
@@ -265,11 +267,10 @@ index d7f2b2206f..e671ed8d48 100644
 -    qemu_mutex_unlock(&backup_state.backup_mutex);
 -
 -    if (cancel_job) {
--        AioContext *aio_context = cancel_job->job.aio_context;
--        aio_context_acquire(aio_context);
--        job_cancel_sync(&cancel_job->job);
--        job_unref(&cancel_job->job);
--        aio_context_release(aio_context);
+-        WITH_JOB_LOCK_GUARD() {
+-            job_cancel_sync_locked(&cancel_job->job, true);
+-            job_unref_locked(&cancel_job->job);
+-        }
 -    }
 +    qemu_co_mutex_unlock(&backup_state.backup_mutex);
  }
@@ -281,7 +282,7 @@ index d7f2b2206f..e671ed8d48 100644
  }
  
  // assumes the caller holds backup_mutex
-@@ -415,10 +449,18 @@ static int coroutine_fn pvebackup_co_add_config(
+@@ -416,10 +446,18 @@ static int coroutine_fn pvebackup_co_add_config(
      goto out;
  }
  
@@ -301,7 +302,7 @@ index d7f2b2206f..e671ed8d48 100644
      Error *local_err = NULL;
  
      /* create job transaction to synchronize bitmap commit and cancel all
-@@ -452,24 +494,19 @@ static bool create_backup_jobs(void) {
+@@ -455,24 +493,19 @@ static bool create_backup_jobs(void) {
  
          aio_context_release(aio_context);
  
@@ -331,15 +332,13 @@ index d7f2b2206f..e671ed8d48 100644
          l = backup_state.di_list;
          while (l) {
              PVEBackupDevInfo *di = (PVEBackupDevInfo *)l->data;
-@@ -481,12 +518,17 @@ static bool create_backup_jobs(void) {
-             }
+@@ -485,13 +518,15 @@ static bool create_backup_jobs(void) {
  
              if (di->job) {
-+                AioContext *ctx = di->job->job.aio_context;
-+                aio_context_acquire(ctx);
-+                job_cancel_sync(&di->job->job);
-                 job_unref(&di->job->job);
-+                aio_context_release(ctx);
+                 WITH_JOB_LOCK_GUARD() {
++                    job_cancel_sync_locked(&di->job->job, true);
+                     job_unref_locked(&di->job->job);
+                 }
              }
          }
      }
@@ -350,7 +349,7 @@ index d7f2b2206f..e671ed8d48 100644
  }
  
  typedef struct QmpBackupTask {
-@@ -523,11 +565,12 @@ typedef struct QmpBackupTask {
+@@ -528,11 +563,12 @@ typedef struct QmpBackupTask {
      UuidInfo *result;
  } QmpBackupTask;
  
@@ -364,7 +363,7 @@ index d7f2b2206f..e671ed8d48 100644
      QmpBackupTask *task = opaque;
  
      task->result = NULL; // just to be sure
-@@ -548,8 +591,9 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -553,8 +589,9 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
      const char *firewall_name = "qemu-server.fw";
  
      if (backup_state.di_list) {
@@ -375,7 +374,7 @@ index d7f2b2206f..e671ed8d48 100644
          return;
      }
  
-@@ -616,6 +660,8 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -621,6 +658,8 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
          }
          di->size = size;
          total += size;
@@ -384,7 +383,7 @@ index d7f2b2206f..e671ed8d48 100644
      }
  
      uuid_generate(uuid);
-@@ -847,6 +893,8 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -852,6 +891,8 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
      backup_state.stat.dirty = total - backup_state.stat.reused;
      backup_state.stat.transferred = 0;
      backup_state.stat.zero_bytes = 0;
@@ -393,7 +392,7 @@ index d7f2b2206f..e671ed8d48 100644
  
      qemu_mutex_unlock(&backup_state.stat.lock);
  
-@@ -861,6 +909,33 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -866,6 +907,33 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
      uuid_info->UUID = uuid_str;
  
      task->result = uuid_info;
@@ -427,7 +426,7 @@ index d7f2b2206f..e671ed8d48 100644
      return;
  
  err_mutex:
-@@ -883,6 +958,7 @@ err:
+@@ -888,6 +956,7 @@ err:
          g_free(di);
      }
      g_list_free(di_list);
@@ -435,7 +434,7 @@ index d7f2b2206f..e671ed8d48 100644
  
      if (devs) {
          g_strfreev(devs);
-@@ -903,6 +979,8 @@ err:
+@@ -908,6 +977,8 @@ err:
      }
  
      task->result = NULL;
@@ -444,7 +443,7 @@ index d7f2b2206f..e671ed8d48 100644
      return;
  }
  
-@@ -956,24 +1034,8 @@ UuidInfo *qmp_backup(
+@@ -961,24 +1032,8 @@ UuidInfo *qmp_backup(
          .errp = errp,
      };
  
@@ -469,7 +468,7 @@ index d7f2b2206f..e671ed8d48 100644
      return task.result;
  }
  
-@@ -1025,6 +1087,7 @@ BackupStatus *qmp_query_backup(Error **errp)
+@@ -1030,6 +1085,7 @@ BackupStatus *qmp_query_backup(Error **errp)
      info->transferred = backup_state.stat.transferred;
      info->has_reused = true;
      info->reused = backup_state.stat.reused;
@@ -478,10 +477,10 @@ index d7f2b2206f..e671ed8d48 100644
      qemu_mutex_unlock(&backup_state.stat.lock);
  
 diff --git a/qapi/block-core.json b/qapi/block-core.json
-index f57fda122c..9b827cbe43 100644
+index 7fde927621..bf559c6d52 100644
 --- a/qapi/block-core.json
 +++ b/qapi/block-core.json
-@@ -775,12 +775,15 @@
+@@ -770,12 +770,15 @@
  #
  # @uuid: uuid for this backup job
  #

debian/patches/pve/0040-PVE-Migrate-dirty-bitmap-state-via-savevm.patch

@@ -12,21 +12,22 @@ Also add a flag to query-proxmox-support so qemu-server can determine if
 safe migration is possible and makes sense.
 
 Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
  include/migration/misc.h |   3 ++
  migration/meson.build    |   2 +
+ migration/migration.c    |   1 +
  migration/pbs-state.c    | 106 +++++++++++++++++++++++++++++++++++++++
  pve-backup.c             |   1 +
  qapi/block-core.json     |   6 +++
- softmmu/vl.c             |   1 +
  6 files changed, 119 insertions(+)
  create mode 100644 migration/pbs-state.c
 
 diff --git a/include/migration/misc.h b/include/migration/misc.h
-index 34e7d75713..f83816dd3c 100644
+index 465906710d..4f0aeceb6f 100644
 --- a/include/migration/misc.h
 +++ b/include/migration/misc.h
-@@ -75,4 +75,7 @@ bool migration_in_incoming_postcopy(void);
+@@ -75,4 +75,7 @@ bool migration_in_bg_snapshot(void);
  /* migration/block-dirty-bitmap.c */
  void dirty_bitmap_mig_init(void);
  
@@ -35,13 +36,13 @@ index 34e7d75713..f83816dd3c 100644
 +
  #endif
 diff --git a/migration/meson.build b/migration/meson.build
-index e62b79b60f..b90a04aa75 100644
+index 0842d00cd2..d012f4d8d3 100644
 --- a/migration/meson.build
 +++ b/migration/meson.build
-@@ -7,8 +7,10 @@ migration_files = files(
-   'qemu-file-channel.c',
+@@ -6,8 +6,10 @@ migration_files = files(
+   'vmstate.c',
    'qemu-file.c',
-   'qjson.c',
+   'yank_functions.c',
 +  'pbs-state.c',
  )
  softmmu_ss.add(migration_files)
@@ -49,6 +50,18 @@ index e62b79b60f..b90a04aa75 100644
  
  softmmu_ss.add(files(
    'block-dirty-bitmap.c',
+diff --git a/migration/migration.c b/migration/migration.c
+index f485eea5fb..89b287180f 100644
+--- a/migration/migration.c
++++ b/migration/migration.c
+@@ -229,6 +229,7 @@ void migration_object_init(void)
+     blk_mig_init();
+     ram_mig_init();
+     dirty_bitmap_mig_init();
++    pbs_state_mig_init();
+ }
+ 
+ void migration_cancel(const Error *error)
 diff --git a/migration/pbs-state.c b/migration/pbs-state.c
 new file mode 100644
 index 0000000000..29f2b3860d
@@ -162,10 +175,10 @@ index 0000000000..29f2b3860d
 +                         NULL);
 +}
 diff --git a/pve-backup.c b/pve-backup.c
-index e671ed8d48..bd2647e5f3 100644
+index 88268bb586..fa9c6c4493 100644
 --- a/pve-backup.c
 +++ b/pve-backup.c
-@@ -1130,6 +1130,7 @@ ProxmoxSupportStatus *qmp_query_proxmox_support(Error **errp)
+@@ -1128,6 +1128,7 @@ ProxmoxSupportStatus *qmp_query_proxmox_support(Error **errp)
      ret->pbs_library_version = g_strdup(proxmox_backup_qemu_version());
      ret->pbs_dirty_bitmap = true;
      ret->pbs_dirty_bitmap_savevm = true;
@@ -174,10 +187,10 @@ index e671ed8d48..bd2647e5f3 100644
      return ret;
  }
 diff --git a/qapi/block-core.json b/qapi/block-core.json
-index 9b827cbe43..30eb1262ff 100644
+index bf559c6d52..24f30260c8 100644
 --- a/qapi/block-core.json
 +++ b/qapi/block-core.json
-@@ -884,6 +884,11 @@
+@@ -879,6 +879,11 @@
  # @pbs-dirty-bitmap-savevm: True if 'dirty-bitmaps' migration capability can
  #                           safely be set for savevm-async.
  #
@@ -189,7 +202,7 @@ index 9b827cbe43..30eb1262ff 100644
  # @pbs-library-version: Running version of libproxmox-backup-qemu0 library.
  #
  ##
-@@ -891,6 +896,7 @@
+@@ -886,6 +891,7 @@
    'data': { 'pbs-dirty-bitmap': 'bool',
              'query-bitmap-info': 'bool',
              'pbs-dirty-bitmap-savevm': 'bool',
@@ -197,15 +210,3 @@ index 9b827cbe43..30eb1262ff 100644
              'pbs-library-version': 'str' } }
  
  ##
-diff --git a/softmmu/vl.c b/softmmu/vl.c
-index 5b5512128e..6721889fee 100644
---- a/softmmu/vl.c
-+++ b/softmmu/vl.c
-@@ -4304,6 +4304,7 @@ void qemu_init(int argc, char **argv, char **envp)
-     blk_mig_init();
-     ram_mig_init();
-     dirty_bitmap_mig_init();
-+    pbs_state_mig_init();
- 
-     qemu_opts_foreach(qemu_find_opts("mon"),
-                       mon_init_func, NULL, &error_fatal);

debian/patches/pve/0041-migration-block-dirty-bitmap-migrate-other-bitmaps-e.patch

@@ -13,15 +13,16 @@ that are obviously marked as "busy", which would cause none at all to be
 transferred.
 
 Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
  migration/block-dirty-bitmap.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/migration/block-dirty-bitmap.c b/migration/block-dirty-bitmap.c
-index c61d382be8..26e4e5c99c 100644
+index 9aba7d9c22..f4ecf9c9f9 100644
 --- a/migration/block-dirty-bitmap.c
 +++ b/migration/block-dirty-bitmap.c
-@@ -534,7 +534,7 @@ static int add_bitmaps_to_list(DBMSaveState *s, BlockDriverState *bs,
+@@ -538,7 +538,7 @@ static int add_bitmaps_to_list(DBMSaveState *s, BlockDriverState *bs,
  
          if (bdrv_dirty_bitmap_check(bitmap, BDRV_BITMAP_DEFAULT, &local_err)) {
              error_report_err(local_err);

debian/patches/pve/0042-PVE-fall-back-to-open-iscsi-initiatorname.patch

@@ -15,15 +15,16 @@ According to RFC 3720, an initiator name is at most 223 bytes long, so the
 4 KiB buffer is big enough, even if many whitespaces are used.
 
 Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
  block/iscsi.c | 30 ++++++++++++++++++++++++++++++
  1 file changed, 30 insertions(+)
 
 diff --git a/block/iscsi.c b/block/iscsi.c
-index e30a7e3606..6c70bbe351 100644
+index a316d46d96..3ed4a50c0d 100644
 --- a/block/iscsi.c
 +++ b/block/iscsi.c
-@@ -1374,12 +1374,42 @@ static char *get_initiator_name(QemuOpts *opts)
+@@ -1387,12 +1387,42 @@ static char *get_initiator_name(QemuOpts *opts)
      const char *name;
      char *iscsi_name;
      UuidInfo *uuid_info;

debian/patches/pve/0043-PVE-Use-coroutine-QMP-for-backup-cancel_backup.patch

@@ -22,6 +22,7 @@ monitor for that coroutine ourselves, but let's just fix it the right
 way instead)
 
 Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
  block/monitor/block-hmp-cmds.c |   4 +-
  hmp-commands.hx                |   2 +
@@ -31,10 +32,10 @@ Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
  5 files changed, 77 insertions(+), 196 deletions(-)
 
 diff --git a/block/monitor/block-hmp-cmds.c b/block/monitor/block-hmp-cmds.c
-index 46c63b1cf9..11c84d5508 100644
+index a09f722fea..71ed202491 100644
 --- a/block/monitor/block-hmp-cmds.c
 +++ b/block/monitor/block-hmp-cmds.c
-@@ -1013,7 +1013,7 @@ void hmp_info_snapshots(Monitor *mon, const QDict *qdict)
+@@ -1016,7 +1016,7 @@ void hmp_info_snapshots(Monitor *mon, const QDict *qdict)
      g_free(global_snapshots);
  }
  
@@ -43,7 +44,7 @@ index 46c63b1cf9..11c84d5508 100644
  {
      Error *error = NULL;
  
-@@ -1022,7 +1022,7 @@ void hmp_backup_cancel(Monitor *mon, const QDict *qdict)
+@@ -1025,7 +1025,7 @@ void hmp_backup_cancel(Monitor *mon, const QDict *qdict)
      hmp_handle_error(mon, error);
  }
  
@@ -53,10 +54,10 @@ index 46c63b1cf9..11c84d5508 100644
      Error *error = NULL;
  
 diff --git a/hmp-commands.hx b/hmp-commands.hx
-index 0c6b944850..54de3f80e6 100644
+index fcf9461295..5fdb198ca4 100644
 --- a/hmp-commands.hx
 +++ b/hmp-commands.hx
-@@ -108,6 +108,7 @@ ERST
+@@ -111,6 +111,7 @@ ERST
  		    "\n\t\t\t Use -d to dump data into a directory instead"
  		    "\n\t\t\t of using VMA format.",
          .cmd = hmp_backup,
@@ -64,7 +65,7 @@ index 0c6b944850..54de3f80e6 100644
      },
  
  SRST
-@@ -121,6 +122,7 @@ ERST
+@@ -124,6 +125,7 @@ ERST
          .params     = "",
          .help       = "cancel the current VM backup",
          .cmd        = hmp_backup_cancel,
@@ -115,10 +116,10 @@ index 4ce7bc0b5e..0923037dec 100644
  static void proxmox_backup_schedule_wake(void *data) {
      CoCtxData *waker = (CoCtxData *)data;
 diff --git a/pve-backup.c b/pve-backup.c
-index bd2647e5f3..dec9c0d188 100644
+index 5662f48b72..e4fe1b601d 100644
 --- a/pve-backup.c
 +++ b/pve-backup.c
-@@ -357,7 +357,7 @@ static void job_cancel_bh(void *opaque) {
+@@ -354,7 +354,7 @@ static void job_cancel_bh(void *opaque) {
      aio_co_enter(data->ctx, data->co);
  }
  
@@ -127,7 +128,7 @@ index bd2647e5f3..dec9c0d188 100644
  {
      Error *cancel_err = NULL;
      error_setg(&cancel_err, "backup canceled");
-@@ -394,11 +394,6 @@ static void coroutine_fn pvebackup_co_cancel(void *opaque)
+@@ -391,11 +391,6 @@ static void coroutine_fn pvebackup_co_cancel(void *opaque)
      qemu_co_mutex_unlock(&backup_state.backup_mutex);
  }
  
@@ -139,7 +140,7 @@ index bd2647e5f3..dec9c0d188 100644
  // assumes the caller holds backup_mutex
  static int coroutine_fn pvebackup_co_add_config(
      const char *file,
-@@ -531,50 +526,27 @@ static void create_backup_jobs_bh(void *opaque) {
+@@ -529,50 +524,27 @@ static void create_backup_jobs_bh(void *opaque) {
      aio_co_enter(data->ctx, data->co);
  }
  
@@ -206,7 +207,7 @@ index bd2647e5f3..dec9c0d188 100644
      BlockBackend *blk;
      BlockDriverState *bs = NULL;
      const char *backup_dir = NULL;
-@@ -591,17 +563,17 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -589,17 +561,17 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
      const char *firewall_name = "qemu-server.fw";
  
      if (backup_state.di_list) {
@@ -229,7 +230,7 @@ index bd2647e5f3..dec9c0d188 100644
  
          gchar **d = devs;
          while (d && *d) {
-@@ -609,14 +581,14 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -607,14 +579,14 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
              if (blk) {
                  bs = blk_bs(blk);
                  if (!bdrv_is_inserted(bs)) {
@@ -246,7 +247,7 @@ index bd2647e5f3..dec9c0d188 100644
                            "Device '%s' not found", *d);
                  goto err;
              }
-@@ -639,7 +611,7 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -637,7 +609,7 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
      }
  
      if (!di_list) {
@@ -255,7 +256,7 @@ index bd2647e5f3..dec9c0d188 100644
          goto err;
      }
  
-@@ -649,13 +621,13 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -647,13 +619,13 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
      while (l) {
          PVEBackupDevInfo *di = (PVEBackupDevInfo *)l->data;
          l = g_list_next(l);
@@ -266,12 +267,12 @@ index bd2647e5f3..dec9c0d188 100644
  
          ssize_t size = bdrv_getlength(di->bs);
          if (size < 0) {
--            error_setg_errno(task->errp, -di->size, "bdrv_getlength failed");
-+            error_setg_errno(errp, -di->size, "bdrv_getlength failed");
+-            error_setg_errno(task->errp, -size, "bdrv_getlength failed");
++            error_setg_errno(errp, -size, "bdrv_getlength failed");
              goto err;
          }
          di->size = size;
-@@ -682,47 +654,44 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -680,47 +652,44 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
      }
  
      if (format == BACKUP_FORMAT_PBS) {
@@ -336,7 +337,7 @@ index bd2647e5f3..dec9c0d188 100644
          if (connect_result < 0)
              goto err_mutex;
  
-@@ -741,9 +710,9 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -739,9 +708,9 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
              BdrvDirtyBitmap *bitmap = bdrv_find_dirty_bitmap(di->bs, PBS_BITMAP_NAME);
              bool expect_only_dirty = false;
  
@@ -348,7 +349,7 @@ index bd2647e5f3..dec9c0d188 100644
                      if (!bitmap) {
                          goto err_mutex;
                      }
-@@ -773,12 +742,12 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -771,12 +740,12 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
                  }
              }
  
@@ -363,7 +364,7 @@ index bd2647e5f3..dec9c0d188 100644
                  goto err_mutex;
              }
  
-@@ -792,10 +761,10 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -790,10 +759,10 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
              backup_state.stat.bitmap_list = g_list_append(backup_state.stat.bitmap_list, info);
          }
      } else if (format == BACKUP_FORMAT_VMA) {
@@ -376,7 +377,7 @@ index bd2647e5f3..dec9c0d188 100644
              }
              goto err_mutex;
          }
-@@ -806,25 +775,25 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -804,25 +773,25 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
              PVEBackupDevInfo *di = (PVEBackupDevInfo *)l->data;
              l = g_list_next(l);
  
@@ -408,7 +409,7 @@ index bd2647e5f3..dec9c0d188 100644
  
          l = di_list;
          while (l) {
-@@ -838,34 +807,34 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -836,34 +805,34 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
              bdrv_img_create(di->targetfile, "raw", NULL, NULL, NULL,
                              di->size, flags, false, &local_err);
              if (local_err) {
@@ -452,7 +453,7 @@ index bd2647e5f3..dec9c0d188 100644
              goto err_mutex;
          }
      }
-@@ -883,7 +852,7 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -881,7 +850,7 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
      if (backup_state.stat.backup_file) {
          g_free(backup_state.stat.backup_file);
      }
@@ -461,7 +462,7 @@ index bd2647e5f3..dec9c0d188 100644
  
      uuid_copy(backup_state.stat.uuid, uuid);
      uuid_unparse_lower(uuid, backup_state.stat.uuid_str);
-@@ -898,7 +867,7 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -896,7 +865,7 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
  
      qemu_mutex_unlock(&backup_state.stat.lock);
  
@@ -470,7 +471,7 @@ index bd2647e5f3..dec9c0d188 100644
  
      backup_state.vmaw = vmaw;
      backup_state.pbs = pbs;
-@@ -908,8 +877,6 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -906,8 +875,6 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
      uuid_info = g_malloc0(sizeof(*uuid_info));
      uuid_info->UUID = uuid_str;
  
@@ -479,7 +480,7 @@ index bd2647e5f3..dec9c0d188 100644
      /* Run create_backup_jobs_bh outside of coroutine (in BH) but keep
      * backup_mutex locked. This is fine, a CoMutex can be held across yield
      * points, and we'll release it as soon as the BH reschedules us.
-@@ -923,7 +890,7 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -921,7 +888,7 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
      qemu_coroutine_yield();
  
      if (local_err) {
@@ -488,7 +489,7 @@ index bd2647e5f3..dec9c0d188 100644
          goto err;
      }
  
-@@ -936,7 +903,7 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
+@@ -934,7 +901,7 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
      /* start the first job in the transaction */
      job_txn_start_seq(backup_state.txn);
  
@@ -497,7 +498,7 @@ index bd2647e5f3..dec9c0d188 100644
  
  err_mutex:
      qemu_mutex_unlock(&backup_state.stat.lock);
-@@ -967,7 +934,7 @@ err:
+@@ -965,7 +932,7 @@ err:
      if (vmaw) {
          Error *err = NULL;
          vma_writer_close(vmaw, &err);
@@ -506,7 +507,7 @@ index bd2647e5f3..dec9c0d188 100644
      }
  
      if (pbs) {
-@@ -978,65 +945,8 @@ err:
+@@ -976,65 +943,8 @@ err:
          rmdir(backup_dir);
      }
  
@@ -574,10 +575,10 @@ index bd2647e5f3..dec9c0d188 100644
  
  BackupStatus *qmp_query_backup(Error **errp)
 diff --git a/qapi/block-core.json b/qapi/block-core.json
-index 30eb1262ff..6ff5367383 100644
+index 24f30260c8..4e8c35a3a2 100644
 --- a/qapi/block-core.json
 +++ b/qapi/block-core.json
-@@ -847,7 +847,7 @@
+@@ -842,7 +842,7 @@
                                      '*config-file': 'str',
                                      '*firewall-file': 'str',
                                      '*devlist': 'str', '*speed': 'int' },
@@ -586,7 +587,7 @@ index 30eb1262ff..6ff5367383 100644
  
  ##
  # @query-backup:
-@@ -869,7 +869,7 @@
+@@ -864,7 +864,7 @@
  # Notes: This command succeeds even if there is no backup process running.
  #
  ##

debian/patches/pve/0044-PBS-add-master-key-support.patch

@@ -11,6 +11,7 @@ from the PVE side to avoid QMP calls with unsupported parameters.
 
 Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
 Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
  block/monitor/block-hmp-cmds.c | 1 +
  pve-backup.c                   | 3 +++
@@ -18,10 +19,10 @@ Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
  3 files changed, 11 insertions(+)
 
 diff --git a/block/monitor/block-hmp-cmds.c b/block/monitor/block-hmp-cmds.c
-index 11c84d5508..0932deb28c 100644
+index 71ed202491..c7468e5d3b 100644
 --- a/block/monitor/block-hmp-cmds.c
 +++ b/block/monitor/block-hmp-cmds.c
-@@ -1036,6 +1036,7 @@ void coroutine_fn hmp_backup(Monitor *mon, const QDict *qdict)
+@@ -1039,6 +1039,7 @@ void coroutine_fn hmp_backup(Monitor *mon, const QDict *qdict)
          false, NULL, // PBS password
          false, NULL, // PBS keyfile
          false, NULL, // PBS key_password
@@ -30,10 +31,10 @@ index 11c84d5508..0932deb28c 100644
          false, NULL, // PBS backup-id
          false, 0, // PBS backup-time
 diff --git a/pve-backup.c b/pve-backup.c
-index dec9c0d188..076146cc1e 100644
+index 109498eaf9..4b5134ed27 100644
 --- a/pve-backup.c
 +++ b/pve-backup.c
-@@ -531,6 +531,7 @@ UuidInfo coroutine_fn *qmp_backup(
+@@ -529,6 +529,7 @@ UuidInfo coroutine_fn *qmp_backup(
      bool has_password, const char *password,
      bool has_keyfile, const char *keyfile,
      bool has_key_password, const char *key_password,
@@ -41,7 +42,7 @@ index dec9c0d188..076146cc1e 100644
      bool has_fingerprint, const char *fingerprint,
      bool has_backup_id, const char *backup_id,
      bool has_backup_time, int64_t backup_time,
-@@ -679,6 +680,7 @@ UuidInfo coroutine_fn *qmp_backup(
+@@ -677,6 +678,7 @@ UuidInfo coroutine_fn *qmp_backup(
              has_password ? password : NULL,
              has_keyfile ? keyfile : NULL,
              has_key_password ? key_password : NULL,
@@ -49,7 +50,7 @@ index dec9c0d188..076146cc1e 100644
              has_compress ? compress : true,
              has_encrypt ? encrypt : has_keyfile,
              has_fingerprint ? fingerprint : NULL,
-@@ -1042,5 +1044,6 @@ ProxmoxSupportStatus *qmp_query_proxmox_support(Error **errp)
+@@ -1040,5 +1042,6 @@ ProxmoxSupportStatus *qmp_query_proxmox_support(Error **errp)
      ret->pbs_dirty_bitmap_savevm = true;
      ret->pbs_dirty_bitmap_migration = true;
      ret->query_bitmap_info = true;
@@ -57,10 +58,10 @@ index dec9c0d188..076146cc1e 100644
      return ret;
  }
 diff --git a/qapi/block-core.json b/qapi/block-core.json
-index 6ff5367383..bef9b65fec 100644
+index 4e8c35a3a2..d8c7331090 100644
 --- a/qapi/block-core.json
 +++ b/qapi/block-core.json
-@@ -818,6 +818,8 @@
+@@ -813,6 +813,8 @@
  #
  # @key-password: password for keyfile (optional for format 'pbs')
  #
@@ -69,7 +70,7 @@ index 6ff5367383..bef9b65fec 100644
  # @fingerprint: server cert fingerprint (optional for format 'pbs')
  #
  # @backup-id: backup ID (required for format 'pbs')
-@@ -837,6 +839,7 @@
+@@ -832,6 +834,7 @@
                                      '*password': 'str',
                                      '*keyfile': 'str',
                                      '*key-password': 'str',
@@ -77,7 +78,7 @@ index 6ff5367383..bef9b65fec 100644
                                      '*fingerprint': 'str',
                                      '*backup-id': 'str',
                                      '*backup-time': 'int',
-@@ -889,6 +892,9 @@
+@@ -884,6 +887,9 @@
  #                              migration cap if this is false/unset may lead
  #                              to crashes on migration!
  #
@@ -87,7 +88,7 @@ index 6ff5367383..bef9b65fec 100644
  # @pbs-library-version: Running version of libproxmox-backup-qemu0 library.
  #
  ##
-@@ -897,6 +903,7 @@
+@@ -892,6 +898,7 @@
              'query-bitmap-info': 'bool',
              'pbs-dirty-bitmap-savevm': 'bool',
              'pbs-dirty-bitmap-migration': 'bool',

debian/patches/pve/0045-PVE-block-pbs-fast-path-reads-without-allocation-if-.patch

@@ -11,12 +11,13 @@ Tracing shows the fast-path is taken almost all the time, though not
 100% so the slow one is still necessary.
 
 Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
  block/pbs.c | 17 ++++++++++++++---
  1 file changed, 14 insertions(+), 3 deletions(-)
 
 diff --git a/block/pbs.c b/block/pbs.c
-index 1481a2bfd1..fbf0d8d845 100644
+index 9d1f1f39d4..ce9a870885 100644
 --- a/block/pbs.c
 +++ b/block/pbs.c
 @@ -200,7 +200,16 @@ static coroutine_fn int pbs_co_preadv(BlockDriverState *bs,
@@ -35,9 +36,9 @@ index 1481a2bfd1..fbf0d8d845 100644
 +        buf = g_malloc(bytes);
 +    }
  
-     ReadCallbackData rcb = {
-         .co = qemu_coroutine_self(),
-@@ -218,8 +227,10 @@ static coroutine_fn int pbs_co_preadv(BlockDriverState *bs,
+     if (offset < 0 || bytes < 0) {
+         fprintf(stderr, "unexpected negative 'offset' or 'bytes' value!\n");
+@@ -223,8 +232,10 @@ static coroutine_fn int pbs_co_preadv(BlockDriverState *bs,
          return -EIO;
      }
  
@@ -48,5 +49,5 @@ index 1481a2bfd1..fbf0d8d845 100644
 +        g_free(buf);
 +    }
  
-     return ret;
+     return 0;
  }

debian/patches/pve/0046-PVE-block-stream-increase-chunk-size.patch

@@ -4,15 +4,17 @@ Date: Tue, 2 Mar 2021 16:34:28 +0100
 Subject: [PATCH] PVE: block/stream: increase chunk size
 
 Ceph favors bigger chunks, so increase to 4M.
+
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
  block/stream.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/block/stream.c b/block/stream.c
-index 236384f2f7..a5371420e3 100644
+index 694709bd25..e09bd5c4ef 100644
 --- a/block/stream.c
 +++ b/block/stream.c
-@@ -26,7 +26,7 @@ enum {
+@@ -28,7 +28,7 @@ enum {
       * large enough to process multiple clusters in a single call, so
       * that populating contiguous regions of the image is efficient.
       */

debian/patches/pve/0046-block-io-accept-NULL-qiov-in-bdrv_pad_request.patch

@@ -1,42 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Stefan Reiter <s.reiter@proxmox.com>
-Date: Tue, 2 Mar 2021 16:11:54 +0100
-Subject: [PATCH] block/io: accept NULL qiov in bdrv_pad_request
-
-Some operations, e.g. block-stream, perform reads while discarding the
-results (only copy-on-read matters). In this case they will pass NULL as
-the target QEMUIOVector, which will however trip bdrv_pad_request, since
-it wants to extend its passed vector.
-
-Simply check for NULL and do nothing, there's no reason to pad the
-target if it will be discarded anyway.
----
- block/io.c | 13 ++++++++-----
- 1 file changed, 8 insertions(+), 5 deletions(-)
-
-diff --git a/block/io.c b/block/io.c
-index ec5e152bb7..08dee005ec 100644
---- a/block/io.c
-+++ b/block/io.c
-@@ -1613,13 +1613,16 @@ static bool bdrv_pad_request(BlockDriverState *bs,
-         return false;
-     }
- 
--    qemu_iovec_init_extended(&pad->local_qiov, pad->buf, pad->head,
--                             *qiov, *qiov_offset, *bytes,
--                             pad->buf + pad->buf_len - pad->tail, pad->tail);
-+    if (*qiov) {
-+        qemu_iovec_init_extended(&pad->local_qiov, pad->buf, pad->head,
-+                                *qiov, *qiov_offset, *bytes,
-+                                pad->buf + pad->buf_len - pad->tail, pad->tail);
-+        *qiov = &pad->local_qiov;
-+        *qiov_offset = 0;
-+    }
-+
-     *bytes += pad->head + pad->tail;
-     *offset -= pad->head;
--    *qiov = &pad->local_qiov;
--    *qiov_offset = 0;
- 
-     return true;
- }