Clear QEMU eventfd handler to prevent crashes on attach/detach

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

Makefile

@@ -58,7 +58,7 @@ $(BUILDDIR): submodule
 deb kvm: $(DEBS)
 $(DEB_DBG): $(DEB)
 $(DEB): $(BUILDDIR)
-	cd $(BUILDDIR); dpkg-buildpackage -b -us -uc
+	cd $(BUILDDIR); dpkg-buildpackage -b -us -uc -j32
 	lintian $(DEBS)
 
 sbuild: $(DSC)

debian/changelog

@@ -1,3 +1,152 @@
+pve-qemu-kvm (9.2.0-2+vitastor2) bookworm; urgency=medium
+
+  * Clear QEMU eventfd handler to prevent crashes on attach/detach
+
+ -- Vitaliy Filippov <vitalif@yourcmc.ru>  Sat, 22 Mar 2025 11:33:22 +0300
+
+pve-qemu-kvm (9.2.0-2+vitastor1) bookworm; urgency=medium
+
+  * Add Vitastor support
+
+ -- Vitaliy Filippov <vitalif@yourcmc.ru>  Wed, 19 Mar 2025 01:48:58 +0300
+
+pve-qemu-kvm (9.2.0-2) bookworm; urgency=medium
+
+  * fix assertion failure when migrating a VM with multiple disks on a
+    replicated ZFS.
+
+ -- Proxmox Support Team <support@proxmox.com>  Mon, 24 Feb 2025 17:33:34 +0100
+
+pve-qemu-kvm (9.2.0-1) bookworm; urgency=medium
+
+  * update submodule and patches to QEMU 9.2.0
+
+ -- Proxmox Support Team <support@proxmox.com>  Tue, 04 Feb 2025 08:49:20 +0100
+
+pve-qemu-kvm (9.1.2-3) bookworm; urgency=medium
+
+  * async snapshot: explicitly specify raw format when loading the VM state
+    file
+
+  * vma create: rework CLI parameters for passing disk to a more structured
+    style and use that to allow explicitly specifying the format
+
+ -- Proxmox Support Team <support@proxmox.com>  Fri, 24 Jan 2025 16:12:34 +0100
+
+pve-qemu-kvm (9.1.2-2) bookworm; urgency=medium
+
+  * adapt machine version deprecation for Proxmox VE release and support
+    cycle.
+
+ -- Proxmox Support Team <support@proxmox.com>  Fri, 17 Jan 2025 16:34:06 +0100
+
+pve-qemu-kvm (9.1.2-1) bookworm; urgency=medium
+
+  * update submodule and patches to QEMU 9.1.2
+
+  * improve error handling and edge cases with fleecing backups.
+
+ -- Proxmox Support Team <support@proxmox.com>  Wed, 11 Dec 2024 16:47:21 +0100
+
+pve-qemu-kvm (9.0.2-4) bookworm; urgency=medium
+
+  * async snapshot: ensure any dynamic vCPU-throttling applied for
+    auto-converge gets always disabled again after finishing the snapshot.
+
+ -- Proxmox Support Team <support@proxmox.com>  Sun, 10 Nov 2024 11:23:09 +0100
+
+pve-qemu-kvm (9.0.2-3) bookworm; urgency=medium
+
+  * pick up fix for VirtIO PCI regressions
+
+  * pick up stable fixes for 9.0, including fixes for VirtIO-net, ARM and
+    x86(_64) emulation, CVEs to harden NBD server against malicious clients,
+    as well as a few others (VNC, physmem, Intel IOMMU, ...).
+
+ -- Proxmox Support Team <support@proxmox.com>  Fri, 06 Sep 2024 16:21:42 +0200
+
+pve-qemu-kvm (9.0.2-2) bookworm; urgency=medium
+
+  * actually update submodule to QEMU 9.0.2. The previous release was still
+    based on 9.0.0 by mistake.
+
+ -- Proxmox Support Team <support@proxmox.com>  Wed, 07 Aug 2024 10:16:01 +0200
+
+pve-qemu-kvm (9.0.2-1) bookworm; urgency=medium
+
+  * update submodule and patches to QEMU 9.0.2. While our version had most
+    stable fixes included already, there are new fixes for VirtIO and VGA
+    display screen blanking (#4786)
+
+  * backport fix for a regression with the LSI-53c895a controller and one for
+    the boot order getting ignored for USB storage
+
+ -- Proxmox Support Team <support@proxmox.com>  Mon, 29 Jul 2024 18:59:40 +0200
+
+pve-qemu-kvm (9.0.0-6) bookworm; urgency=medium
+
+  * fix a regression in the zeroinit block driver that prevented importing and
+    cloning disks to RBD storages which are not using the krbd setting
+
+ -- Proxmox Support Team <support@proxmox.com>  Mon, 08 Jul 2024 16:11:15 +0200
+
+pve-qemu-kvm (9.0.0-5) bookworm; urgency=medium
+
+  * backport fix for CVE-2024-4467 to prevent malicious qcow2 image files from
+    already causing bad effects if being queried via 'qemu-img info'. For
+    Proxmox VE, this is an additional safe guard, as currently it directly
+    creates and manages the qcow2 images used by VMs and does not allow
+    unprivileged users to import them
+
+  * fix #4726: code cleanup: avoid superfluous check in vma backup code
+
+ -- Proxmox Support Team <support@proxmox.com>  Wed, 03 Jul 2024 13:13:35 +0200
+
+pve-qemu-kvm (9.0.0-4) bookworm; urgency=medium
+
+  * fix crash after saving a snapshot without including VM state when a VirtIO
+    block device with iothread is configured.
+
+  * fix edge case in error handling when opening a block device from PBS fails
+
+  * minor code cleanup in backup code
+
+ -- Proxmox Support Team <support@proxmox.com>  Mon, 01 Jul 2024 11:26:11 +0200
+
+pve-qemu-kvm (9.0.0-3) bookworm; urgency=medium
+
+  * fix crash when doing resize after hotplugging a disk using io_uring
+
+  * fix some minor issues in software CPU emulation (i.e. non-KVM) for ARM and
+    x86(_64)
+
+ -- Proxmox Support Team <support@proxmox.com>  Wed, 29 May 2024 15:55:44 +0200
+
+pve-qemu-kvm (9.0.0-2) bookworm; urgency=medium
+
+  * fix #5409: backup: fix copy-before-write timeout
+
+  * backup: improve error when copy-before-write fails for fleecing
+
+  * fix forwards and backwards migration with VirtIO-GPU display
+
+  * fix a regression in pflash device introduced in 8.2
+
+  * revert a commit for VirtIO PCI devices that turned out to cause more
+    potential security issues than what it fixed
+
+  * move compatibility flags for a new VirtIO-net feature to the correct
+    machine type. The feature was introduced in QEMU 8.2, but the
+    compatibility flags got added to machine version 8.0 instead of 8.1. This
+    breaks backwards migration with machine version 8.1 from a 8.2/9.0 binary
+    to an 8.1 binary, in cases where the guest kernel enables the feature
+    (e.g. Ubuntu 23.10).
+    While that breaks migration with machine version 8.1 from an unpatched to
+    a patched binary, Proxmox VE only ever had 8.2 on the test repository and
+    9.0 not yet in any public repository.
+
+ -- Proxmox Support Team <support@proxmox.com>  Fri, 17 May 2024 17:04:52 +0200
+
 pve-qemu-kvm (9.0.0-1) bookworm; urgency=medium
 
   * update submodule and patches to QEMU 9.0.0

debian/control

@@ -59,6 +59,7 @@ Depends: ceph-common (>= 0.48),
          libspice-server1 (>= 0.14.0~),
          libusb-1.0-0 (>= 1.0.17-1),
          libusbredirparser1 (>= 0.6-2),
+         vitastor-client (>= 0.9.4),
          libuuid1,
          ${misc:Depends},
          ${shlibs:Depends},

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

@@ -27,7 +27,7 @@ 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>
-[FE: rebased for 8.2.2]
+[FE: rebased for 9.1.2]
 Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
 ---
  block/mirror.c                         | 99 ++++++++++++++++++++------
@@ -38,7 +38,7 @@ Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
  5 files changed, 142 insertions(+), 28 deletions(-)
 
 diff --git a/block/mirror.c b/block/mirror.c
-index 1bdce3b657..0c5c72df2e 100644
+index 2afe700b4d..c3d4be9b15 100644
 --- a/block/mirror.c
 +++ b/block/mirror.c
 @@ -51,7 +51,7 @@ typedef struct MirrorBlockJob {
@@ -59,7 +59,7 @@ index 1bdce3b657..0c5c72df2e 100644
      BdrvDirtyBitmap *dirty_bitmap;
      BdrvDirtyBitmapIter *dbi;
      uint8_t *buf;
-@@ -722,7 +724,8 @@ static int mirror_exit_common(Job *job)
+@@ -723,7 +725,8 @@ static int mirror_exit_common(Job *job)
                               &error_abort);
  
      if (!abort && s->backing_mode == MIRROR_SOURCE_BACKING_CHAIN) {
@@ -69,7 +69,7 @@ index 1bdce3b657..0c5c72df2e 100644
          BlockDriverState *unfiltered_target = bdrv_skip_filters(target_bs);
  
          if (bdrv_cow_bs(unfiltered_target) != backing) {
-@@ -819,6 +822,16 @@ static void mirror_abort(Job *job)
+@@ -824,6 +827,16 @@ static void mirror_abort(Job *job)
      assert(ret == 0);
  }
  
@@ -86,7 +86,7 @@ index 1bdce3b657..0c5c72df2e 100644
  static void coroutine_fn mirror_throttle(MirrorBlockJob *s)
  {
      int64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
-@@ -1015,7 +1028,8 @@ static int coroutine_fn mirror_run(Job *job, Error **errp)
+@@ -1020,7 +1033,8 @@ 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);
@@ -96,7 +96,7 @@ index 1bdce3b657..0c5c72df2e 100644
          ret = mirror_dirty_init(s);
          if (ret < 0 || job_is_cancelled(&s->common.job)) {
              goto immediate_exit;
-@@ -1304,6 +1318,7 @@ static const BlockJobDriver mirror_job_driver = {
+@@ -1309,6 +1323,7 @@ static const BlockJobDriver mirror_job_driver = {
          .run                    = mirror_run,
          .prepare                = mirror_prepare,
          .abort                  = mirror_abort,
@@ -104,7 +104,7 @@ index 1bdce3b657..0c5c72df2e 100644
          .pause                  = mirror_pause,
          .complete               = mirror_complete,
          .cancel                 = mirror_cancel,
-@@ -1322,6 +1337,7 @@ static const BlockJobDriver commit_active_job_driver = {
+@@ -1327,6 +1342,7 @@ static const BlockJobDriver commit_active_job_driver = {
          .run                    = mirror_run,
          .prepare                = mirror_prepare,
          .abort                  = mirror_abort,
@@ -112,7 +112,7 @@ index 1bdce3b657..0c5c72df2e 100644
          .pause                  = mirror_pause,
          .complete               = mirror_complete,
          .cancel                 = commit_active_cancel,
-@@ -1714,7 +1730,10 @@ static BlockJob *mirror_start_job(
+@@ -1719,7 +1735,10 @@ static BlockJob *mirror_start_job(
                               BlockCompletionFunc *cb,
                               void *opaque,
                               const BlockJobDriver *driver,
@@ -123,8 +123,8 @@ index 1bdce3b657..0c5c72df2e 100644
 +                             BlockDriverState *base,
                               bool auto_complete, const char *filter_node_name,
                               bool is_mirror, MirrorCopyMode copy_mode,
-                              Error **errp)
-@@ -1728,10 +1747,39 @@ static BlockJob *mirror_start_job(
+                              bool base_ro,
+@@ -1734,10 +1753,39 @@ static BlockJob *mirror_start_job(
  
      GLOBAL_STATE_CODE();
  
@@ -166,7 +166,7 @@ index 1bdce3b657..0c5c72df2e 100644
      assert(is_power_of_2(granularity));
  
      if (buf_size < 0) {
-@@ -1871,7 +1919,9 @@ static BlockJob *mirror_start_job(
+@@ -1878,7 +1926,9 @@ static BlockJob *mirror_start_job(
      s->replaces = g_strdup(replaces);
      s->on_source_error = on_source_error;
      s->on_target_error = on_target_error;
@@ -177,7 +177,7 @@ index 1bdce3b657..0c5c72df2e 100644
      s->backing_mode = backing_mode;
      s->zero_target = zero_target;
      qatomic_set(&s->copy_mode, copy_mode);
-@@ -1897,6 +1947,18 @@ static BlockJob *mirror_start_job(
+@@ -1904,6 +1954,18 @@ static BlockJob *mirror_start_job(
       */
      bdrv_disable_dirty_bitmap(s->dirty_bitmap);
  
@@ -196,7 +196,7 @@ index 1bdce3b657..0c5c72df2e 100644
      bdrv_graph_wrlock();
      ret = block_job_add_bdrv(&s->common, "source", bs, 0,
                               BLK_PERM_WRITE_UNCHANGED | BLK_PERM_WRITE |
-@@ -1979,6 +2041,9 @@ fail:
+@@ -1986,6 +2048,9 @@ fail:
          if (s->dirty_bitmap) {
              bdrv_release_dirty_bitmap(s->dirty_bitmap);
          }
@@ -206,7 +206,7 @@ index 1bdce3b657..0c5c72df2e 100644
          job_early_fail(&s->common.job);
      }
  
-@@ -2001,35 +2066,28 @@ void mirror_start(const char *job_id, BlockDriverState *bs,
+@@ -2008,35 +2073,28 @@ 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,
@@ -241,13 +241,13 @@ index 1bdce3b657..0c5c72df2e 100644
                       speed, granularity, buf_size, backing_mode, zero_target,
                       on_source_error, on_target_error, unmap, NULL, NULL,
 -                     &mirror_job_driver, is_none_mode, base, false,
--                     filter_node_name, true, copy_mode, errp);
+-                     filter_node_name, true, copy_mode, false, errp);
 +                     &mirror_job_driver, mode, bitmap, bitmap_mode, base,
-+                     false, filter_node_name, true, copy_mode, errp);
++                     false, filter_node_name, true, copy_mode, false, errp);
  }
  
  BlockJob *commit_active_start(const char *job_id, BlockDriverState *bs,
-@@ -2056,7 +2114,8 @@ BlockJob *commit_active_start(const char *job_id, BlockDriverState *bs,
+@@ -2063,7 +2121,8 @@ 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,
@@ -255,13 +255,13 @@ index 1bdce3b657..0c5c72df2e 100644
 +                     &commit_active_job_driver, MIRROR_SYNC_MODE_FULL,
 +                     NULL, 0, base, auto_complete,
                       filter_node_name, false, MIRROR_COPY_MODE_BACKGROUND,
-                      errp);
+                      base_read_only, errp);
      if (!job) {
 diff --git a/blockdev.c b/blockdev.c
-index 057601dcf0..8682814a7a 100644
+index 6740663fda..38fa63155c 100644
 --- a/blockdev.c
 +++ b/blockdev.c
-@@ -2776,6 +2776,9 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
+@@ -2781,6 +2781,9 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
                                     BlockDriverState *target,
                                     const char *replaces,
                                     enum MirrorSyncMode sync,
@@ -271,7 +271,7 @@ index 057601dcf0..8682814a7a 100644
                                     BlockMirrorBackingMode backing_mode,
                                     bool zero_target,
                                     bool has_speed, int64_t speed,
-@@ -2794,6 +2797,7 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
+@@ -2799,6 +2802,7 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
  {
      BlockDriverState *unfiltered_bs;
      int job_flags = JOB_DEFAULT;
@@ -279,7 +279,7 @@ index 057601dcf0..8682814a7a 100644
  
      GLOBAL_STATE_CODE();
      GRAPH_RDLOCK_GUARD_MAINLOOP();
-@@ -2848,6 +2852,29 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
+@@ -2853,6 +2857,29 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
          sync = MIRROR_SYNC_MODE_FULL;
      }
  
@@ -309,7 +309,7 @@ index 057601dcf0..8682814a7a 100644
      if (!replaces) {
          /* We want to mirror from @bs, but keep implicit filters on top */
          unfiltered_bs = bdrv_skip_implicit_filters(bs);
-@@ -2889,8 +2916,8 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
+@@ -2894,8 +2921,8 @@ 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,
@@ -320,7 +320,7 @@ index 057601dcf0..8682814a7a 100644
                   on_source_error, on_target_error, unmap, filter_node_name,
                   copy_mode, errp);
  }
-@@ -3034,6 +3061,8 @@ void qmp_drive_mirror(DriveMirror *arg, Error **errp)
+@@ -3039,6 +3066,8 @@ void qmp_drive_mirror(DriveMirror *arg, Error **errp)
  
      blockdev_mirror_common(arg->job_id, bs, target_bs,
                             arg->replaces, arg->sync,
@@ -329,7 +329,7 @@ index 057601dcf0..8682814a7a 100644
                             backing_mode, zero_target,
                             arg->has_speed, arg->speed,
                             arg->has_granularity, arg->granularity,
-@@ -3053,6 +3082,8 @@ void qmp_blockdev_mirror(const char *job_id,
+@@ -3058,6 +3087,8 @@ void qmp_blockdev_mirror(const char *job_id,
                           const char *device, const char *target,
                           const char *replaces,
                           MirrorSyncMode sync,
@@ -338,7 +338,7 @@ index 057601dcf0..8682814a7a 100644
                           bool has_speed, int64_t speed,
                           bool has_granularity, uint32_t granularity,
                           bool has_buf_size, int64_t buf_size,
-@@ -3093,7 +3124,8 @@ void qmp_blockdev_mirror(const char *job_id,
+@@ -3098,7 +3129,8 @@ void qmp_blockdev_mirror(const char *job_id,
      }
  
      blockdev_mirror_common(job_id, bs, target_bs,
@@ -349,7 +349,7 @@ index 057601dcf0..8682814a7a 100644
                             has_granularity, granularity,
                             has_buf_size, buf_size,
 diff --git a/include/block/block_int-global-state.h b/include/block/block_int-global-state.h
-index d2201e27f4..cc1387ae02 100644
+index eb2d92a226..f0c642b194 100644
 --- a/include/block/block_int-global-state.h
 +++ b/include/block/block_int-global-state.h
 @@ -158,7 +158,9 @@ void mirror_start(const char *job_id, BlockDriverState *bs,
@@ -364,10 +364,10 @@ index d2201e27f4..cc1387ae02 100644
                    BlockdevOnError on_source_error,
                    BlockdevOnError on_target_error,
 diff --git a/qapi/block-core.json b/qapi/block-core.json
-index 746d1694c2..45ab548dfe 100644
+index fd3bcc1c17..48ba32049f 100644
 --- a/qapi/block-core.json
 +++ b/qapi/block-core.json
-@@ -2174,6 +2174,15 @@
+@@ -2178,6 +2178,15 @@
  #     destination (all the disk, only the sectors allocated in the
  #     topmost image, or only new I/O).
  #
@@ -383,7 +383,7 @@ index 746d1694c2..45ab548dfe 100644
  # @granularity: granularity of the dirty bitmap, default is 64K if the
  #     image format doesn't have clusters, 4K if the clusters are
  #     smaller than that, else the cluster size.  Must be a power of 2
-@@ -2216,7 +2225,9 @@
+@@ -2220,7 +2229,9 @@
  { 'struct': 'DriveMirror',
    'data': { '*job-id': 'str', 'device': 'str', 'target': 'str',
              '*format': 'str', '*node-name': 'str', '*replaces': 'str',
@@ -394,7 +394,7 @@ index 746d1694c2..45ab548dfe 100644
              '*speed': 'int', '*granularity': 'uint32',
              '*buf-size': 'int', '*on-source-error': 'BlockdevOnError',
              '*on-target-error': 'BlockdevOnError',
-@@ -2496,6 +2507,15 @@
+@@ -2499,6 +2510,15 @@
  #     destination (all the disk, only the sectors allocated in the
  #     topmost image, or only new I/O).
  #
@@ -410,7 +410,7 @@ index 746d1694c2..45ab548dfe 100644
  # @granularity: granularity of the dirty bitmap, default is 64K if the
  #     image format doesn't have clusters, 4K if the clusters are
  #     smaller than that, else the cluster size.  Must be a power of 2
-@@ -2544,7 +2564,8 @@
+@@ -2547,7 +2567,8 @@
  { 'command': 'blockdev-mirror',
    'data': { '*job-id': 'str', 'device': 'str', 'target': 'str',
              '*replaces': 'str',
@@ -421,7 +421,7 @@ index 746d1694c2..45ab548dfe 100644
              '*buf-size': 'int', '*on-source-error': 'BlockdevOnError',
              '*on-target-error': 'BlockdevOnError',
 diff --git a/tests/unit/test-block-iothread.c b/tests/unit/test-block-iothread.c
-index 3766d5de6b..afa44cbd34 100644
+index 20ed54f570..4f50a99334 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)

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

@@ -24,10 +24,10 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 18 insertions(+), 6 deletions(-)
 
 diff --git a/block/mirror.c b/block/mirror.c
-index 0c5c72df2e..37fee3fa25 100644
+index c3d4be9b15..7b6f7c0068 100644
 --- a/block/mirror.c
 +++ b/block/mirror.c
-@@ -693,8 +693,6 @@ static int mirror_exit_common(Job *job)
+@@ -694,8 +694,6 @@ static int mirror_exit_common(Job *job)
          bdrv_unfreeze_backing_chain(mirror_top_bs, target_bs);
      }
  
@@ -36,7 +36,7 @@ index 0c5c72df2e..37fee3fa25 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);
-@@ -800,6 +798,18 @@ static int mirror_exit_common(Job *job)
+@@ -805,6 +803,18 @@ static int mirror_exit_common(Job *job)
      bdrv_drained_end(target_bs);
      bdrv_unref(target_bs);
  
@@ -55,7 +55,7 @@ index 0c5c72df2e..37fee3fa25 100644
      bs_opaque->job = NULL;
  
      bdrv_drained_end(src);
-@@ -1757,10 +1767,6 @@ static BlockJob *mirror_start_job(
+@@ -1763,10 +1773,6 @@ static BlockJob *mirror_start_job(
                         " sync mode",
                         MirrorSyncMode_str(sync_mode));
              return NULL;
@@ -66,7 +66,7 @@ index 0c5c72df2e..37fee3fa25 100644
          }
      } else if (bitmap) {
          error_setg(errp,
-@@ -1777,6 +1783,12 @@ static BlockJob *mirror_start_job(
+@@ -1783,6 +1789,12 @@ 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

@@ -16,10 +16,10 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 3 insertions(+)
 
 diff --git a/blockdev.c b/blockdev.c
-index 8682814a7a..5b75a085ee 100644
+index 38fa63155c..204cf6fad1 100644
 --- a/blockdev.c
 +++ b/blockdev.c
-@@ -2873,6 +2873,9 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
+@@ -2878,6 +2878,9 @@ 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

@@ -16,10 +16,10 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 4 insertions(+), 7 deletions(-)
 
 diff --git a/block/mirror.c b/block/mirror.c
-index 37fee3fa25..6b3cce1007 100644
+index 7b6f7c0068..2b1c07095d 100644
 --- a/block/mirror.c
 +++ b/block/mirror.c
-@@ -804,8 +804,8 @@ static int mirror_exit_common(Job *job)
+@@ -809,8 +809,8 @@ 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);
@@ -30,7 +30,7 @@ index 37fee3fa25..6b3cce1007 100644
          }
      }
      bdrv_release_dirty_bitmap(s->dirty_bitmap);
-@@ -1964,11 +1964,8 @@ static BlockJob *mirror_start_job(
+@@ -1971,11 +1971,8 @@ static BlockJob *mirror_start_job(
      }
  
      if (s->sync_mode == MIRROR_SYNC_MODE_BITMAP) {

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

@@ -21,10 +21,10 @@ Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
  3 files changed, 70 insertions(+), 59 deletions(-)
 
 diff --git a/block/mirror.c b/block/mirror.c
-index 6b3cce1007..2f1223852b 100644
+index 2b1c07095d..f5787b380c 100644
 --- a/block/mirror.c
 +++ b/block/mirror.c
-@@ -1757,31 +1757,13 @@ static BlockJob *mirror_start_job(
+@@ -1763,31 +1763,13 @@ static BlockJob *mirror_start_job(
  
      GLOBAL_STATE_CODE();
  
@@ -62,10 +62,10 @@ index 6b3cce1007..2f1223852b 100644
  
          if (bitmap_mode != BITMAP_SYNC_MODE_NEVER) {
 diff --git a/blockdev.c b/blockdev.c
-index 5b75a085ee..d27d8c38ec 100644
+index 204cf6fad1..79d47b1920 100644
 --- a/blockdev.c
 +++ b/blockdev.c
-@@ -2852,7 +2852,36 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
+@@ -2857,7 +2857,36 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
          sync = MIRROR_SYNC_MODE_FULL;
      }
  

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

@@ -48,7 +48,7 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  6 files changed, 59 insertions(+), 5 deletions(-)
 
 diff --git a/include/monitor/monitor.h b/include/monitor/monitor.h
-index 965f5d5450..e04bd059b6 100644
+index c3740ec616..7f38ce6b8b 100644
 --- a/include/monitor/monitor.h
 +++ b/include/monitor/monitor.h
 @@ -16,6 +16,7 @@ extern QemuOptsList qemu_mon_opts;
@@ -60,7 +60,7 @@ index 965f5d5450..e04bd059b6 100644
  void monitor_init_globals(void);
  void monitor_init_globals_core(void);
 diff --git a/monitor/monitor-internal.h b/monitor/monitor-internal.h
-index 252de85681..8db28f9272 100644
+index cb628f681d..93dbd62fc2 100644
 --- a/monitor/monitor-internal.h
 +++ b/monitor/monitor-internal.h
 @@ -151,6 +151,13 @@ typedef struct {
@@ -78,10 +78,10 @@ index 252de85681..8db28f9272 100644
  
  /**
 diff --git a/monitor/monitor.c b/monitor/monitor.c
-index 01ede1babd..5681bca346 100644
+index 56786c0ccc..30071d0c8a 100644
 --- a/monitor/monitor.c
 +++ b/monitor/monitor.c
-@@ -117,6 +117,21 @@ bool monitor_cur_is_qmp(void)
+@@ -116,6 +116,21 @@ bool monitor_cur_is_qmp(void)
      return cur_mon && monitor_is_qmp(cur_mon);
  }
  
@@ -104,7 +104,7 @@ index 01ede1babd..5681bca346 100644
   * 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 a239945e8d..589c9524f8 100644
+index 5e538f34c0..eb181d5979 100644
 --- a/monitor/qmp.c
 +++ b/monitor/qmp.c
 @@ -165,6 +165,8 @@ static void monitor_qmp_dispatch(MonitorQMP *mon, QObject *req)
@@ -144,7 +144,7 @@ index a239945e8d..589c9524f8 100644
          monitor_qmp_caps_reset(mon);
          data = qmp_greeting(mon);
 diff --git a/qapi/qmp-dispatch.c b/qapi/qmp-dispatch.c
-index f3488afeef..2624eb3470 100644
+index 176b549473..790bb7d1da 100644
 --- a/qapi/qmp-dispatch.c
 +++ b/qapi/qmp-dispatch.c
 @@ -117,16 +117,28 @@ typedef struct QmpDispatchBH {
@@ -180,7 +180,7 @@ index f3488afeef..2624eb3470 100644
      aio_co_wake(data->co);
  }
  
-@@ -250,6 +262,7 @@ QDict *coroutine_mixed_fn qmp_dispatch(const QmpCommandList *cmds, QObject *requ
+@@ -253,6 +265,7 @@ QDict *coroutine_mixed_fn qmp_dispatch(const QmpCommandList *cmds, QObject *requ
              .ret        = &ret,
              .errp       = &err,
              .co         = qemu_coroutine_self(),
@@ -189,7 +189,7 @@ index f3488afeef..2624eb3470 100644
          aio_bh_schedule_oneshot(iohandler_get_aio_context(), do_qmp_dispatch_bh,
                                  &data);
 diff --git a/stubs/monitor-core.c b/stubs/monitor-core.c
-index afa477aae6..d3ff124bf3 100644
+index 1894cdfe1f..d74d0459f0 100644
 --- a/stubs/monitor-core.c
 +++ b/stubs/monitor-core.c
 @@ -12,6 +12,11 @@ Monitor *monitor_set_cur(Coroutine *co, Monitor *mon)
@@ -201,6 +201,6 @@ index afa477aae6..d3ff124bf3 100644
 +    return -1;
 +}
 +
- void monitor_init_qmp(Chardev *chr, bool pretty, Error **errp)
+ void qapi_event_emit(QAPIEvent event, QDict *qdict)
  {
  }

debian/patches/extra/0002-ide-avoid-potential-deadlock-when-draining-during-tr.patch

@@ -55,7 +55,7 @@ Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
  1 file changed, 6 insertions(+), 6 deletions(-)
 
 diff --git a/hw/ide/core.c b/hw/ide/core.c
-index e8cb2dac92..3b21acf651 100644
+index 08d9218455..20d8c0cf66 100644
 --- a/hw/ide/core.c
 +++ b/hw/ide/core.c
 @@ -456,7 +456,7 @@ static void ide_trim_bh_cb(void *opaque)

debian/patches/extra/0002-scsi-megasas-Internal-cdbs-have-16-byte-length.patch

@@ -1,69 +0,0 @@
-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 2d0c607177..97e51733af 100644
---- a/hw/scsi/megasas.c
-+++ b/hw/scsi/megasas.c
-@@ -1781,7 +1781,7 @@ 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);
-@@ -1790,7 +1790,6 @@ 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);
-@@ -1805,15 +1804,6 @@ 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));
-@@ -1824,7 +1814,7 @@ 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/0003-tcg-Reset-free_temps-before-tcg_optimize.patch

@@ -0,0 +1,82 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Richard Henderson <richard.henderson@linaro.org>
+Date: Sat, 7 Dec 2024 18:14:45 +0000
+Subject: [PATCH] tcg: Reset free_temps before tcg_optimize
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+When allocating new temps during tcg_optmize, do not re-use
+any EBB temps that were used within the TB.  We do not have
+any idea what span of the TB in which the temp was live.
+
+Introduce tcg_temp_ebb_reset_freed and use before tcg_optimize,
+as well as replacing the equivalent in plugin_gen_inject and
+tcg_func_start.
+
+Cc: qemu-stable@nongnu.org
+Fixes: fb04ab7ddd8 ("tcg/optimize: Lower TCG_COND_TST{EQ,NE} if unsupported")
+Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2711
+Reported-by: wannacu <wannacu2049@gmail.com>
+Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
+Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
+Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
+(cherry picked from commit 04e006ab36a8565b92d4e21dd346367fbade7d74)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ accel/tcg/plugin-gen.c          | 2 +-
+ include/tcg/tcg-temp-internal.h | 6 ++++++
+ tcg/tcg.c                       | 5 ++++-
+ 3 files changed, 11 insertions(+), 2 deletions(-)
+
+diff --git a/accel/tcg/plugin-gen.c b/accel/tcg/plugin-gen.c
+index 0f47bfbb48..1ef075552c 100644
+--- a/accel/tcg/plugin-gen.c
++++ b/accel/tcg/plugin-gen.c
+@@ -275,7 +275,7 @@ static void plugin_gen_inject(struct qemu_plugin_tb *plugin_tb)
+      * that might be live within the existing opcode stream.
+      * The simplest solution is to release them all and create new.
+      */
+-    memset(tcg_ctx->free_temps, 0, sizeof(tcg_ctx->free_temps));
++    tcg_temp_ebb_reset_freed(tcg_ctx);
+ 
+     QTAILQ_FOREACH_SAFE(op, &tcg_ctx->ops, link, next) {
+         switch (op->opc) {
+diff --git a/include/tcg/tcg-temp-internal.h b/include/tcg/tcg-temp-internal.h
+index 44192c55a9..98f91e68b7 100644
+--- a/include/tcg/tcg-temp-internal.h
++++ b/include/tcg/tcg-temp-internal.h
+@@ -42,4 +42,10 @@ TCGv_i64 tcg_temp_ebb_new_i64(void);
+ TCGv_ptr tcg_temp_ebb_new_ptr(void);
+ TCGv_i128 tcg_temp_ebb_new_i128(void);
+ 
++/* Forget all freed EBB temps, so that new allocations produce new temps. */
++static inline void tcg_temp_ebb_reset_freed(TCGContext *s)
++{
++    memset(s->free_temps, 0, sizeof(s->free_temps));
++}
++
+ #endif /* TCG_TEMP_FREE_H */
+diff --git a/tcg/tcg.c b/tcg/tcg.c
+index 0babae1b88..4578b185be 100644
+--- a/tcg/tcg.c
++++ b/tcg/tcg.c
+@@ -1489,7 +1489,7 @@ void tcg_func_start(TCGContext *s)
+     s->nb_temps = s->nb_globals;
+ 
+     /* No temps have been previously allocated for size or locality.  */
+-    memset(s->free_temps, 0, sizeof(s->free_temps));
++    tcg_temp_ebb_reset_freed(s);
+ 
+     /* No constant temps have been previously allocated. */
+     for (int i = 0; i < TCG_TYPE_COUNT; ++i) {
+@@ -6120,6 +6120,9 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb, uint64_t pc_start)
+     }
+ #endif
+ 
++    /* Do not reuse any EBB that may be allocated within the TB. */
++    tcg_temp_ebb_reset_freed(s);
++
+     tcg_optimize(s);
+ 
+     reachable_code_pass(s);

debian/patches/extra/0004-Revert-x86-acpi-workaround-Windows-not-handling-name.patch

@@ -1,45 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Fiona Ebner <f.ebner@proxmox.com>
-Date: Fri, 17 Nov 2023 11:18:06 +0100
-Subject: [PATCH] Revert "x86: acpi: workaround Windows not handling name
- references in Package properly"
-
-This reverts commit 44d975ef340e2f21f236f9520c53e1b30d2213a4.
-
-As reported in the community forum [0] and reproduced locally this
-breaks VirtIO network adapters in (at least) the German ISO of Windows
-Server 2022. The fix itself was for
-
-> Issue is not fatal but as result acpi-index/"PCI Label ID" property
-> is either not shown in device details page or shows incorrect value.
-
-so revert and tolerate that as a stop-gap, rather than have the
-devices not working at all.
-
-[0]: https://forum.proxmox.com/threads/92094/post-605684
-
-Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
----
- hw/i386/acpi-build.c | 8 ++------
- 1 file changed, 2 insertions(+), 6 deletions(-)
-
-diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
-index 53f804ac16..9b1b9f0412 100644
---- a/hw/i386/acpi-build.c
-+++ b/hw/i386/acpi-build.c
-@@ -347,13 +347,9 @@ Aml *aml_pci_device_dsm(void)
-     {
-         Aml *params = aml_local(0);
-         Aml *pkg = aml_package(2);
--        aml_append(pkg, aml_int(0));
--        aml_append(pkg, aml_int(0));
-+        aml_append(pkg, aml_name("BSEL"));
-+        aml_append(pkg, aml_name("ASUN"));
-         aml_append(method, aml_store(pkg, params));
--        aml_append(method,
--            aml_store(aml_name("BSEL"), aml_index(params, aml_int(0))));
--        aml_append(method,
--            aml_store(aml_name("ASUN"), aml_index(params, aml_int(1))));
-         aml_append(method,
-             aml_return(aml_call5("PDSM", aml_arg(0), aml_arg(1),
-                                  aml_arg(2), aml_arg(3), params))

debian/patches/extra/0004-target-i386-Reset-TSCs-of-parked-vCPUs-too-on-VM-res.patch

@@ -0,0 +1,149 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Maciej S. Szmigiero" <maciej.szmigiero@oracle.com>
+Date: Thu, 12 Dec 2024 15:51:15 +0100
+Subject: [PATCH] target/i386: Reset TSCs of parked vCPUs too on VM reset
+
+Since commit 5286c3662294 ("target/i386: properly reset TSC on reset")
+QEMU writes the special value of "1" to each online vCPU TSC on VM reset
+to reset it.
+
+However parked vCPUs don't get that handling and due to that their TSCs
+get desynchronized when the VM gets reset.
+This in turn causes KVM to turn off PVCLOCK_TSC_STABLE_BIT in its exported
+PV clock.
+Note that KVM has no understanding of vCPU being currently parked.
+
+Without PVCLOCK_TSC_STABLE_BIT the sched clock is marked unstable in
+the guest's kvm_sched_clock_init().
+This causes a performance regressions to show in some tests.
+
+Fix this issue by writing the special value of "1" also to TSCs of parked
+vCPUs on VM reset.
+
+Reproducing the issue:
+1) Boot a VM with "-smp 2,maxcpus=3" or similar
+
+2) device_add host-x86_64-cpu,id=vcpu,node-id=0,socket-id=0,core-id=2,thread-id=0
+
+3) Wait a few seconds
+
+4) device_del vcpu
+
+5) Inside the VM run:
+# echo "t" >/proc/sysrq-trigger; dmesg | grep sched_clock_stable
+Observe the sched_clock_stable() value is 1.
+
+6) Reboot the VM
+
+7) Once the VM boots once again run inside it:
+# echo "t" >/proc/sysrq-trigger; dmesg | grep sched_clock_stable
+Observe the sched_clock_stable() value is now 0.
+
+Fixes: 5286c3662294 ("target/i386: properly reset TSC on reset")
+Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
+Link: https://lore.kernel.org/r/5a605a88e9a231386dc803c60f5fed9b48108139.1734014926.git.maciej.szmigiero@oracle.com
+Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
+(cherry picked from commit 3f2a05b31ee9ce2ddb6c75a9bc3f5e7f7af9a76f)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ accel/kvm/kvm-all.c                | 11 +++++++++++
+ configs/targets/i386-softmmu.mak   |  1 +
+ configs/targets/x86_64-softmmu.mak |  1 +
+ include/sysemu/kvm.h               |  8 ++++++++
+ target/i386/kvm/kvm.c              | 15 +++++++++++++++
+ 5 files changed, 36 insertions(+)
+
+diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
+index 801cff16a5..dec1d1c16a 100644
+--- a/accel/kvm/kvm-all.c
++++ b/accel/kvm/kvm-all.c
+@@ -437,6 +437,16 @@ int kvm_unpark_vcpu(KVMState *s, unsigned long vcpu_id)
+     return kvm_fd;
+ }
+ 
++static void kvm_reset_parked_vcpus(void *param)
++{
++    KVMState *s = param;
++    struct KVMParkedVcpu *cpu;
++
++    QLIST_FOREACH(cpu, &s->kvm_parked_vcpus, node) {
++        kvm_arch_reset_parked_vcpu(cpu->vcpu_id, cpu->kvm_fd);
++    }
++}
++
+ int kvm_create_vcpu(CPUState *cpu)
+ {
+     unsigned long vcpu_id = kvm_arch_vcpu_id(cpu);
+@@ -2728,6 +2738,7 @@ static int kvm_init(MachineState *ms)
+     }
+ 
+     qemu_register_reset(kvm_unpoison_all, NULL);
++    qemu_register_reset(kvm_reset_parked_vcpus, s);
+ 
+     if (s->kernel_irqchip_allowed) {
+         kvm_irqchip_create(s);
+diff --git a/configs/targets/i386-softmmu.mak b/configs/targets/i386-softmmu.mak
+index 2ac69d5ba3..2eb0e86250 100644
+--- a/configs/targets/i386-softmmu.mak
++++ b/configs/targets/i386-softmmu.mak
+@@ -1,4 +1,5 @@
+ TARGET_ARCH=i386
+ TARGET_SUPPORTS_MTTCG=y
+ TARGET_KVM_HAVE_GUEST_DEBUG=y
++TARGET_KVM_HAVE_RESET_PARKED_VCPU=y
+ TARGET_XML_FILES= gdb-xml/i386-32bit.xml
+diff --git a/configs/targets/x86_64-softmmu.mak b/configs/targets/x86_64-softmmu.mak
+index e12ac3dc59..920e9a4200 100644
+--- a/configs/targets/x86_64-softmmu.mak
++++ b/configs/targets/x86_64-softmmu.mak
+@@ -2,4 +2,5 @@ TARGET_ARCH=x86_64
+ TARGET_BASE_ARCH=i386
+ TARGET_SUPPORTS_MTTCG=y
+ TARGET_KVM_HAVE_GUEST_DEBUG=y
++TARGET_KVM_HAVE_RESET_PARKED_VCPU=y
+ TARGET_XML_FILES= gdb-xml/i386-64bit.xml
+diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
+index c3a60b2890..ab17c09a55 100644
+--- a/include/sysemu/kvm.h
++++ b/include/sysemu/kvm.h
+@@ -377,6 +377,14 @@ int kvm_arch_init(MachineState *ms, KVMState *s);
+ int kvm_arch_init_vcpu(CPUState *cpu);
+ int kvm_arch_destroy_vcpu(CPUState *cpu);
+ 
++#ifdef TARGET_KVM_HAVE_RESET_PARKED_VCPU
++void kvm_arch_reset_parked_vcpu(unsigned long vcpu_id, int kvm_fd);
++#else
++static inline void kvm_arch_reset_parked_vcpu(unsigned long vcpu_id, int kvm_fd)
++{
++}
++#endif
++
+ bool kvm_vcpu_id_is_valid(int vcpu_id);
+ 
+ /* Returns VCPU ID to be used on KVM_CREATE_VCPU ioctl() */
+diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
+index 8e17942c3b..2ff618fbf1 100644
+--- a/target/i386/kvm/kvm.c
++++ b/target/i386/kvm/kvm.c
+@@ -2415,6 +2415,21 @@ void kvm_arch_after_reset_vcpu(X86CPU *cpu)
+     }
+ }
+ 
++void kvm_arch_reset_parked_vcpu(unsigned long vcpu_id, int kvm_fd)
++{
++    g_autofree struct kvm_msrs *msrs = NULL;
++
++    msrs = g_malloc0(sizeof(*msrs) + sizeof(msrs->entries[0]));
++    msrs->entries[0].index = MSR_IA32_TSC;
++    msrs->entries[0].data = 1; /* match the value in x86_cpu_reset() */
++    msrs->nmsrs++;
++
++    if (ioctl(kvm_fd, KVM_SET_MSRS, msrs) != 1) {
++        warn_report("parked vCPU %lu TSC reset failed: %d",
++                    vcpu_id, errno);
++    }
++}
++
+ void kvm_arch_do_init_vcpu(X86CPU *cpu)
+ {
+     CPUX86State *env = &cpu->env;

debian/patches/extra/0005-block-copy-before-write-use-uint64_t-for-timeout-in-.patch

@@ -1,35 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Fiona Ebner <f.ebner@proxmox.com>
-Date: Mon, 29 Apr 2024 15:41:11 +0200
-Subject: [PATCH] block/copy-before-write: use uint64_t for timeout in
- nanoseconds
-
-rather than the uint32_t for which the maximum is slightly more than 4
-seconds and larger values would overflow. The QAPI interface allows
-specifying the number of seconds, so only values 0 to 4 are safe right
-now, other values lead to a much lower timeout than a user expects.
-
-The block_copy() call where this is used already takes a uint64_t for
-the timeout, so no change required there.
-
-Fixes: 6db7fd1ca9 ("block/copy-before-write: implement cbw-timeout option")
-Reported-by: Friedrich Weber <f.weber@proxmox.com>
-Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
-Tested-by: Friedrich Weber <f.weber@proxmox.com>
----
- block/copy-before-write.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/block/copy-before-write.c b/block/copy-before-write.c
-index 8aba27a71d..026fa9840f 100644
---- a/block/copy-before-write.c
-+++ b/block/copy-before-write.c
-@@ -43,7 +43,7 @@ typedef struct BDRVCopyBeforeWriteState {
-     BlockCopyState *bcs;
-     BdrvChild *target;
-     OnCbwError on_cbw_error;
--    uint32_t cbw_timeout_ns;
-+    uint64_t cbw_timeout_ns;
- 
-     /*
-      * @lock: protects access to @access_bitmap, @done_bitmap and

debian/patches/extra/0005-i386-cpu-Mark-avx10_version-filtered-when-prefix-is-.patch

@@ -0,0 +1,41 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Zhao Liu <zhao1.liu@intel.com>
+Date: Wed, 6 Nov 2024 11:07:18 +0800
+Subject: [PATCH] i386/cpu: Mark avx10_version filtered when prefix is NULL
+
+In x86_cpu_filter_features(), if host doesn't support AVX10, the
+configured avx10_version should be marked as filtered regardless of
+whether prefix is NULL or not.
+
+Check prefix before warn_report() instead of checking for
+have_filtered_features.
+
+Cc: qemu-stable@nongnu.org
+Fixes: commit bccfb846fd52 ("target/i386: add AVX10 feature and AVX10 version property")
+Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
+Reviewed-by: Tao Su <tao1.su@linux.intel.com>
+Link: https://lore.kernel.org/r/20241106030728.553238-2-zhao1.liu@intel.com
+Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
+(cherry picked from commit cf4c263551886964c5d58bd7b675b13fd497b402)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ target/i386/cpu.c | 6 ++++--
+ 1 file changed, 4 insertions(+), 2 deletions(-)
+
+diff --git a/target/i386/cpu.c b/target/i386/cpu.c
+index 3725dbbc4b..1981aeaba5 100644
+--- a/target/i386/cpu.c
++++ b/target/i386/cpu.c
+@@ -7718,8 +7718,10 @@ static bool x86_cpu_filter_features(X86CPU *cpu, bool verbose)
+             env->avx10_version = version;
+             have_filtered_features = true;
+         }
+-    } else if (env->avx10_version && prefix) {
+-        warn_report("%s: avx10.%d.", prefix, env->avx10_version);
++    } else if (env->avx10_version) {
++        if (prefix) {
++            warn_report("%s: avx10.%d.", prefix, env->avx10_version);
++        }
+         have_filtered_features = true;
+     }
+ 

debian/patches/extra/0006-net-Fix-announce_self.patch

@@ -0,0 +1,67 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Laurent Vivier <lvivier@redhat.com>
+Date: Fri, 17 Jan 2025 12:17:08 +0100
+Subject: [PATCH] net: Fix announce_self
+
+b9ad513e1876 ("net: Remove receive_raw()") adds an iovec entry
+in qemu_deliver_packet_iov() to add the virtio-net header
+in the data when QEMU_NET_PACKET_FLAG_RAW is set but forgets
+to increase the number of iovec entries in the array, so
+receive_iov() will only send the first entry (the virtio-net
+entry, full of 0) and no data. The packet will be discarded.
+
+The only user of QEMU_NET_PACKET_FLAG_RAW is announce_self.
+
+We can see the problem with tcpdump:
+
+- QEMU parameters:
+
+  .. -monitor stdio \
+     -netdev bridge,id=netdev0,br=virbr0 \
+     -device virtio-net,mac=9a:2b:2c:2d:2e:2f,netdev=netdev0 \
+
+- HMP command:
+
+  (qemu) announce_self
+
+- TCP dump:
+
+  $ sudo tcpdump -nxi virbr0
+
+  without the fix:
+
+    <nothing>
+
+  with the fix:
+
+   ARP, Reverse Request who-is 9a:2b:2c:2d:2e:2f tell 9a:2b:2c:2d:2e:2f, length 46
+        0x0000:  0001 0800 0604 0003 9a2b 2c2d 2e2f 0000
+        0x0010:  0000 9a2b 2c2d 2e2f 0000 0000 0000 0000
+        0x0020:  0000 0000 0000 0000 0000 0000 0000
+
+Reported-by: Xiaohui Li <xiaohli@redhat.com>
+Bug: https://issues.redhat.com/browse/RHEL-73891
+Fixes: b9ad513e1876 ("net: Remove receive_raw()")
+Cc: akihiko.odaki@daynix.com
+Signed-off-by: Laurent Vivier <lvivier@redhat.com>
+Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
+Acked-by: Jason Wang <jasowang@redhat.com>
+Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
+(picked from https://lore.kernel.org/qemu-devel/20250117111709.970789-2-lvivier@redhat.com/)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ net/net.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/net/net.c b/net/net.c
+index 7ef6885876..fefa701bb2 100644
+--- a/net/net.c
++++ b/net/net.c
+@@ -822,6 +822,7 @@ static ssize_t qemu_deliver_packet_iov(NetClientState *sender,
+         iov_copy[0].iov_len =  nc->vnet_hdr_len;
+         memcpy(&iov_copy[1], iov, iovcnt * sizeof(*iov));
+         iov = iov_copy;
++        iovcnt++;
+     }
+ 
+     if (nc->info->receive_iov) {

debian/patches/extra/0007-net-dump-Correctly-compute-Ethernet-packet-offset.patch

@@ -0,0 +1,67 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Laurent Vivier <lvivier@redhat.com>
+Date: Fri, 17 Jan 2025 12:17:09 +0100
+Subject: [PATCH] net/dump: Correctly compute Ethernet packet offset
+
+When a packet is sent with QEMU_NET_PACKET_FLAG_RAW by QEMU it
+never includes virtio-net header even if qemu_get_vnet_hdr_len()
+is not 0, and filter-dump is not managing this case.
+
+The only user of QEMU_NET_PACKET_FLAG_RAW is announce_self,
+we can show the problem using it and tcpddump:
+
+- QEMU parameters:
+
+  .. -monitor stdio \
+     -netdev bridge,id=netdev0,br=virbr0 \
+     -device virtio-net,mac=9a:2b:2c:2d:2e:2f,netdev=netdev0 \
+     -object filter-dump,netdev=netdev0,file=log.pcap,id=pcap0
+
+- HMP command:
+
+  (qemu) announce_self
+
+- TCP dump:
+
+  $ tcpdump -nxr log.pcap
+
+  without the fix:
+
+    08:00:06:04:00:03 > 2e:2f:80:35:00:01, ethertype Unknown (0x9a2b), length 50:
+         0x0000:  2c2d 2e2f 0000 0000 9a2b 2c2d 2e2f 0000
+         0x0010:  0000 0000 0000 0000 0000 0000 0000 0000
+         0x0020:  0000 0000
+
+  with the fix:
+
+    ARP, Reverse Request who-is 9a:2b:2c:2d:2e:2f tell 9a:2b:2c:2d:2e:2f, length 46
+         0x0000:  0001 0800 0604 0003 9a2b 2c2d 2e2f 0000
+         0x0010:  0000 9a2b 2c2d 2e2f 0000 0000 0000 0000
+         0x0020:  0000 0000 0000 0000 0000 0000 0000
+
+Fixes: 481c52320a26 ("net: Strip virtio-net header when dumping")
+Cc: akihiko.odaki@daynix.com
+Signed-off-by: Laurent Vivier <lvivier@redhat.com>
+Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
+Acked-by: Jason Wang <jasowang@redhat.com>
+Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
+(picked from https://lore.kernel.org/qemu-devel/20250117111709.970789-3-lvivier@redhat.com/)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ net/dump.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/net/dump.c b/net/dump.c
+index 956e34a123..42ab8d7716 100644
+--- a/net/dump.c
++++ b/net/dump.c
+@@ -155,7 +155,8 @@ static ssize_t filter_dump_receive_iov(NetFilterState *nf, NetClientState *sndr,
+ {
+     NetFilterDumpState *nfds = FILTER_DUMP(nf);
+ 
+-    dump_receive_iov(&nfds->ds, iov, iovcnt, qemu_get_vnet_hdr_len(nf->netdev));
++    dump_receive_iov(&nfds->ds, iov, iovcnt, flags & QEMU_NET_PACKET_FLAG_RAW ?
++                     0 : qemu_get_vnet_hdr_len(nf->netdev));
+     return 0;
+ }
+ 

debian/patches/extra/0008-pci-acpi-Windows-PCI-Label-Id-bug-workaround.patch

@@ -0,0 +1,96 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Igor Mammedov <imammedo@redhat.com>
+Date: Wed, 15 Jan 2025 13:53:41 +0100
+Subject: [PATCH] pci: acpi: Windows 'PCI Label Id' bug workaround
+
+Current versions of Windows call _DSM(func=7) regardless
+of whether it is supported or not. It leads to NICs having bogus
+'PCI Label Id = 0', where none should be set at all.
+
+Also presence of 'PCI Label Id' triggers another Windows bug
+on localized versions that leads to hangs. The later bug is fixed
+in latest updates for 'Windows Server' but not in consumer
+versions of Windows (and there is no plans to fix it
+as far as I'm aware).
+
+Given it's easy, implement Microsoft suggested workaround
+(return invalid Package) so that affected Windows versions
+could boot on QEMU.
+This would effectvely remove bogus 'PCI Label Id's on NICs,
+but MS teem confirmed that flipping 'PCI Label Id' should not
+change 'Network Connection' ennumeration, so it should be safe
+for QEMU to change _DSM without any compat code.
+
+Smoke tested with WinXP and WS2022
+Resolves: https://gitlab.com/qemu-project/qemu/-/issues/774
+Signed-off-by: Igor Mammedov <imammedo@redhat.com>
+Message-Id: <20250115125342.3883374-3-imammedo@redhat.com>
+Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
+Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
+(cherry picked from commit 0b053391985abcc40b16ac8fc4a7f6588d1d95c1)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/i386/acpi-build.c | 33 +++++++++++++++++++++++----------
+ 1 file changed, 23 insertions(+), 10 deletions(-)
+
+diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
+index 9fcc2897b8..f7b961e04c 100644
+--- a/hw/i386/acpi-build.c
++++ b/hw/i386/acpi-build.c
+@@ -654,6 +654,7 @@ static Aml *aml_pci_pdsm(void)
+     Aml *acpi_index = aml_local(2);
+     Aml *zero = aml_int(0);
+     Aml *one = aml_int(1);
++    Aml *not_supp = aml_int(0xFFFFFFFF);
+     Aml *func = aml_arg(2);
+     Aml *params = aml_arg(4);
+     Aml *bnum = aml_derefof(aml_index(params, aml_int(0)));
+@@ -678,7 +679,7 @@ static Aml *aml_pci_pdsm(void)
+          */
+         ifctx1 = aml_if(aml_lnot(
+                      aml_or(aml_equal(acpi_index, zero),
+-                            aml_equal(acpi_index, aml_int(0xFFFFFFFF)), NULL)
++                            aml_equal(acpi_index, not_supp), NULL)
+                  ));
+         {
+             /* have supported functions */
+@@ -704,18 +705,30 @@ static Aml *aml_pci_pdsm(void)
+     {
+        Aml *pkg = aml_package(2);
+ 
+-       aml_append(pkg, zero);
+-       /*
+-        * optional, if not impl. should return null string
+-        */
+-       aml_append(pkg, aml_string("%s", ""));
+-       aml_append(ifctx, aml_store(pkg, ret));
+-
+        aml_append(ifctx, aml_store(aml_call2("AIDX", bnum, sunum), acpi_index));
++       aml_append(ifctx, aml_store(pkg, ret));
+        /*
+-        * update acpi-index to actual value
++        * Windows calls func=7 without checking if it's available,
++        * as workaround Microsoft has suggested to return invalid for func7
++        * Package, so return 2 elements package but only initialize elements
++        * when acpi_index is supported and leave them uninitialized, which
++        * leads elements to being Uninitialized ObjectType and should trip
++        * Windows into discarding result as an unexpected and prevent setting
++        * bogus 'PCI Label' on the device.
+         */
+-       aml_append(ifctx, aml_store(acpi_index, aml_index(ret, zero)));
++       ifctx1 = aml_if(aml_lnot(aml_lor(
++                    aml_equal(acpi_index, zero), aml_equal(acpi_index, not_supp)
++                )));
++       {
++           aml_append(ifctx1, aml_store(acpi_index, aml_index(ret, zero)));
++           /*
++            * optional, if not impl. should return null string
++            */
++           aml_append(ifctx1, aml_store(aml_string("%s", ""),
++                                        aml_index(ret, one)));
++       }
++       aml_append(ifctx, ifctx1);
++
+        aml_append(ifctx, aml_return(ret));
+     }
+ 

debian/patches/extra/0009-hw-usb-hcd-xhci-pci-Use-modulo-to-select-MSI-vector-.patch

@@ -0,0 +1,53 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Phil Dennis-Jordan <phil@philjordan.eu>
+Date: Fri, 13 Dec 2024 17:06:14 +0100
+Subject: [PATCH] hw/usb/hcd-xhci-pci: Use modulo to select MSI vector as per
+ spec
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+QEMU would crash with a failed assertion if the XHCI controller
+attempted to raise the interrupt on an interrupter corresponding
+to a MSI vector with a higher index than the highest configured
+for the device by the guest driver.
+
+This behaviour is correct on the MSI/PCI side: per PCI 3.0 spec,
+devices must ensure they do not send MSI notifications for
+vectors beyond the range of those allocated by the system/driver
+software. Unlike MSI-X, there is no generic way for handling
+aliasing in the case of fewer allocated vectors than requested,
+so the specifics are up to device implementors. (Section
+6.8.3.4. "Sending Messages")
+
+It turns out the XHCI spec (Implementation Note in section 4.17,
+"Interrupters") requires that the host controller signal the MSI
+vector with the number computed by taking the interrupter number
+modulo the number of enabled MSI vectors.
+
+This change introduces that modulo calculation, fixing the
+failed assertion. This makes the device work correctly in MSI mode
+with macOS's XHCI driver, which only allocates a single vector.
+
+Signed-off-by: Phil Dennis-Jordan <phil@philjordan.eu>
+Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
+Message-ID: <20250112210056.16658-2-phil@philjordan.eu>
+Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
+(cherry picked from commit bb5b7fced6b5d3334ab20702fc846e47bb1fb731)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/usb/hcd-xhci-pci.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/hw/usb/hcd-xhci-pci.c b/hw/usb/hcd-xhci-pci.c
+index a039f5778a..516e6909d2 100644
+--- a/hw/usb/hcd-xhci-pci.c
++++ b/hw/usb/hcd-xhci-pci.c
+@@ -74,6 +74,7 @@ static bool xhci_pci_intr_raise(XHCIState *xhci, int n, bool level)
+     }
+ 
+     if (msi_enabled(pci_dev) && level) {
++        n %= msi_nr_vectors_allocated(pci_dev);
+         msi_notify(pci_dev, n);
+         return true;
+     }

debian/patches/extra/0010-pci-ensure-valid-link-status-bits-for-downstream-por.patch

@@ -0,0 +1,63 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Sebastian Ott <sebott@redhat.com>
+Date: Tue, 3 Dec 2024 13:19:28 +0100
+Subject: [PATCH] pci: ensure valid link status bits for downstream ports
+
+PCI hotplug for downstream endpoints on arm fails because Linux'
+PCIe hotplug driver doesn't like the QEMU provided LNKSTA:
+
+  pcieport 0000:08:01.0: pciehp: Slot(2): Card present
+  pcieport 0000:08:01.0: pciehp: Slot(2): Link Up
+  pcieport 0000:08:01.0: pciehp: Slot(2): Cannot train link: status 0x2000
+
+There's 2 cases where LNKSTA isn't setup properly:
+* the downstream device has no express capability
+* max link width of the bridge is 0
+
+Move the sanity checks added via 88c869198aa63
+("pci: Sanity test minimum downstream LNKSTA") outside of the
+branch to make sure downstream ports always have a valid LNKSTA.
+
+Signed-off-by: Sebastian Ott <sebott@redhat.com>
+Tested-by: Zhenyu Zhang <zhenyzha@redhat.com>
+Message-Id: <20241203121928.14861-1-sebott@redhat.com>
+Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
+Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
+Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
+(cherry picked from commit 694632fd44987cc4618612a38ad151047524a590)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/pci/pcie.c | 12 ++++++++----
+ 1 file changed, 8 insertions(+), 4 deletions(-)
+
+diff --git a/hw/pci/pcie.c b/hw/pci/pcie.c
+index 0b455c8654..1b12db6fa2 100644
+--- a/hw/pci/pcie.c
++++ b/hw/pci/pcie.c
+@@ -1113,18 +1113,22 @@ void pcie_sync_bridge_lnk(PCIDevice *bridge_dev)
+         if ((lnksta & PCI_EXP_LNKSTA_NLW) > (lnkcap & PCI_EXP_LNKCAP_MLW)) {
+             lnksta &= ~PCI_EXP_LNKSTA_NLW;
+             lnksta |= lnkcap & PCI_EXP_LNKCAP_MLW;
+-        } else if (!(lnksta & PCI_EXP_LNKSTA_NLW)) {
+-            lnksta |= QEMU_PCI_EXP_LNKSTA_NLW(QEMU_PCI_EXP_LNK_X1);
+         }
+ 
+         if ((lnksta & PCI_EXP_LNKSTA_CLS) > (lnkcap & PCI_EXP_LNKCAP_SLS)) {
+             lnksta &= ~PCI_EXP_LNKSTA_CLS;
+             lnksta |= lnkcap & PCI_EXP_LNKCAP_SLS;
+-        } else if (!(lnksta & PCI_EXP_LNKSTA_CLS)) {
+-            lnksta |= QEMU_PCI_EXP_LNKSTA_CLS(QEMU_PCI_EXP_LNK_2_5GT);
+         }
+     }
+ 
++    if (!(lnksta & PCI_EXP_LNKSTA_NLW)) {
++        lnksta |= QEMU_PCI_EXP_LNKSTA_NLW(QEMU_PCI_EXP_LNK_X1);
++    }
++
++    if (!(lnksta & PCI_EXP_LNKSTA_CLS)) {
++        lnksta |= QEMU_PCI_EXP_LNKSTA_CLS(QEMU_PCI_EXP_LNK_2_5GT);
++    }
++
+     pci_word_test_and_clear_mask(exp_cap + PCI_EXP_LNKSTA,
+                                  PCI_EXP_LNKSTA_CLS | PCI_EXP_LNKSTA_NLW);
+     pci_word_test_and_set_mask(exp_cap + PCI_EXP_LNKSTA, lnksta &

debian/patches/extra/0011-pci-msix-Fix-msix-pba-read-vector-poll-end-calculati.patch

@@ -0,0 +1,36 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Nicholas Piggin <npiggin@gmail.com>
+Date: Thu, 12 Dec 2024 22:04:02 +1000
+Subject: [PATCH] pci/msix: Fix msix pba read vector poll end calculation
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+The end vector calculation has a bug that results in polling fewer
+than required vectors when reading at a non-zero offset in PBA memory.
+
+Fixes: bbef882cc193 ("msi: add API to get notified about pending bit poll")
+Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
+Message-Id: <20241212120402.1475053-1-npiggin@gmail.com>
+Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
+Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
+Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
+(cherry picked from commit 42e2a7a0ab23784e44fcb18369e06067abc89305)
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ hw/pci/msix.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/hw/pci/msix.c b/hw/pci/msix.c
+index 487e49834e..cc6e79ec67 100644
+--- a/hw/pci/msix.c
++++ b/hw/pci/msix.c
+@@ -250,7 +250,7 @@ static uint64_t msix_pba_mmio_read(void *opaque, hwaddr addr,
+     PCIDevice *dev = opaque;
+     if (dev->msix_vector_poll_notifier) {
+         unsigned vector_start = addr * 8;
+-        unsigned vector_end = MIN(addr + size * 8, dev->msix_entries_nr);
++        unsigned vector_end = MIN((addr + size) * 8, dev->msix_entries_nr);
+         dev->msix_vector_poll_notifier(dev, vector_start, vector_end);
+     }
+ 

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 35684f7e21..43bc0bd520 100644
+index 90fa54352c..e2ea071315 100644
 --- a/block/file-posix.c
 +++ b/block/file-posix.c
-@@ -563,7 +563,7 @@ static QemuOptsList raw_runtime_opts = {
+@@ -564,7 +564,7 @@ static QemuOptsList raw_runtime_opts = {
          {
              .name = "locking",
              .type = QEMU_OPT_STRING,
@@ -26,7 +26,7 @@ index 35684f7e21..43bc0bd520 100644
          },
          {
              .name = "pr-manager",
-@@ -663,7 +663,7 @@ static int raw_open_common(BlockDriverState *bs, QDict *options,
+@@ -664,7 +664,7 @@ 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

@@ -9,12 +9,12 @@ 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 b1f9b35fcc..096c0d52e4 100644
+index cdd5b109b0..653a37e9d1 100644
 --- a/include/net/net.h
 +++ b/include/net/net.h
-@@ -317,8 +317,8 @@ void netdev_add(QemuOpts *opts, Error **errp);
+@@ -305,8 +305,8 @@ 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);
  
 -#define DEFAULT_NETWORK_SCRIPT CONFIG_SYSCONFDIR "/qemu-ifup"
 -#define DEFAULT_NETWORK_DOWN_SCRIPT CONFIG_SYSCONFDIR "/qemu-ifdown"

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 6b05738079..d82869900a 100644
+index 4c239a6970..be09263fb0 100644
 --- a/target/i386/cpu.h
 +++ b/target/i386/cpu.h
-@@ -2291,9 +2291,9 @@ uint64_t cpu_get_tsc(CPUX86State *env);
+@@ -2475,9 +2475,9 @@ uint64_t cpu_get_tsc(CPUX86State *env);
  #define CPU_RESOLVING_TYPE TYPE_X86_CPU
  
  #ifdef TARGET_X86_64

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

@@ -9,7 +9,7 @@ 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 15be640286..ea20e6153c 100644
+index bd9dbe03f1..a7ecaad9c7 100644
 --- a/ui/spice-core.c
 +++ b/ui/spice-core.c
 @@ -690,32 +690,35 @@ static void qemu_spice_init(void)

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

@@ -9,10 +9,10 @@ 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 cc74af06dc..3ba9bbfa5e 100644
+index e9c038042b..c8457a5014 100644
 --- a/block/gluster.c
 +++ b/block/gluster.c
-@@ -43,7 +43,7 @@
+@@ -42,7 +42,7 @@
  #define GLUSTER_DEBUG_DEFAULT       4
  #define GLUSTER_DEBUG_MAX           9
  #define GLUSTER_OPT_LOGFILE         "logfile"
@@ -21,7 +21,7 @@ index cc74af06dc..3ba9bbfa5e 100644
  /*
   * Several versions of GlusterFS (3.12? -> 6.0.1) fail when the transfer size
   * is greater or equal to 1024 MiB, so we are limiting the transfer size to 512
-@@ -425,6 +425,7 @@ static struct glfs *qemu_gluster_glfs_init(BlockdevOptionsGluster *gconf,
+@@ -421,6 +421,7 @@ static struct glfs *qemu_gluster_glfs_init(BlockdevOptionsGluster *gconf,
      int old_errno;
      SocketAddressList *server;
      uint64_t port;
@@ -29,7 +29,7 @@ index cc74af06dc..3ba9bbfa5e 100644
  
      glfs = glfs_find_preopened(gconf->volume);
      if (glfs) {
-@@ -467,9 +468,15 @@ static struct glfs *qemu_gluster_glfs_init(BlockdevOptionsGluster *gconf,
+@@ -463,9 +464,15 @@ static struct glfs *qemu_gluster_glfs_init(BlockdevOptionsGluster *gconf,
          }
      }
  

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

@@ -18,7 +18,7 @@ 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 84bb2fa5d7..63f60d41be 100644
+index 04ed0e242e..728bce3b1e 100644
 --- a/block/rbd.c
 +++ b/block/rbd.c
 @@ -963,6 +963,8 @@ static int qemu_rbd_connect(rados_t *cluster, rados_ioctx_t *io_ctx,

debian/patches/pve/0007-PVE-Up-glusterfs-allow-partial-reads.patch

@@ -16,10 +16,10 @@ 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 3ba9bbfa5e..34936eb855 100644
+index c8457a5014..c3a9555591 100644
 --- a/block/gluster.c
 +++ b/block/gluster.c
-@@ -58,6 +58,7 @@ typedef struct GlusterAIOCB {
+@@ -57,6 +57,7 @@ typedef struct GlusterAIOCB {
      int ret;
      Coroutine *coroutine;
      AioContext *aio_context;
@@ -27,7 +27,7 @@ index 3ba9bbfa5e..34936eb855 100644
  } GlusterAIOCB;
  
  typedef struct BDRVGlusterState {
-@@ -753,8 +754,10 @@ static void gluster_finish_aiocb(struct glfs_fd *fd, ssize_t ret,
+@@ -746,8 +747,10 @@ 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 */
@@ -39,7 +39,7 @@ index 3ba9bbfa5e..34936eb855 100644
      }
  
      aio_co_schedule(acb->aio_context, acb->coroutine);
-@@ -1023,6 +1026,7 @@ static coroutine_fn int qemu_gluster_co_pwrite_zeroes(BlockDriverState *bs,
+@@ -1018,6 +1021,7 @@ 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);
@@ -47,7 +47,7 @@ index 3ba9bbfa5e..34936eb855 100644
  
      ret = glfs_zerofill_async(s->fd, offset, bytes, gluster_finish_aiocb, &acb);
      if (ret < 0) {
-@@ -1203,9 +1207,11 @@ static coroutine_fn int qemu_gluster_co_rw(BlockDriverState *bs,
+@@ -1198,9 +1202,11 @@ 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 3ba9bbfa5e..34936eb855 100644
          ret = glfs_preadv_async(s->fd, qiov->iov, qiov->niov, offset, 0,
                                  gluster_finish_aiocb, &acb);
      }
-@@ -1268,6 +1274,7 @@ static coroutine_fn int qemu_gluster_co_flush_to_disk(BlockDriverState *bs)
+@@ -1263,6 +1269,7 @@ 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);
@@ -67,7 +67,7 @@ index 3ba9bbfa5e..34936eb855 100644
  
      ret = glfs_fsync_async(s->fd, gluster_finish_aiocb, &acb);
      if (ret < 0) {
-@@ -1316,6 +1323,7 @@ static coroutine_fn int qemu_gluster_co_pdiscard(BlockDriverState *bs,
+@@ -1311,6 +1318,7 @@ 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);

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

@@ -18,10 +18,10 @@ Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
  4 files changed, 82 insertions(+), 4 deletions(-)
 
 diff --git a/hw/core/machine-hmp-cmds.c b/hw/core/machine-hmp-cmds.c
-index a6ff6a4875..e7f74d1c63 100644
+index 8701f00cc7..3b4c5ef403 100644
 --- a/hw/core/machine-hmp-cmds.c
 +++ b/hw/core/machine-hmp-cmds.c
-@@ -175,7 +175,35 @@ void hmp_info_balloon(Monitor *mon, const QDict *qdict)
+@@ -179,7 +179,35 @@ void hmp_info_balloon(Monitor *mon, const QDict *qdict)
          return;
      }
  
@@ -59,10 +59,10 @@ index a6ff6a4875..e7f74d1c63 100644
      qapi_free_BalloonInfo(info);
  }
 diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
-index 609e39a821..8cb6dfcac3 100644
+index afd2ad6dd6..c724218c17 100644
 --- a/hw/virtio/virtio-balloon.c
 +++ b/hw/virtio/virtio-balloon.c
-@@ -781,8 +781,37 @@ static uint64_t virtio_balloon_get_features(VirtIODevice *vdev, uint64_t f,
+@@ -795,8 +795,37 @@ static uint64_t virtio_balloon_get_features(VirtIODevice *vdev, uint64_t f,
  static void virtio_balloon_stat(void *opaque, BalloonInfo *info)
  {
      VirtIOBalloon *dev = opaque;
@@ -103,10 +103,10 @@ index 609e39a821..8cb6dfcac3 100644
  
  static void virtio_balloon_to_target(void *opaque, ram_addr_t target)
 diff --git a/qapi/machine.json b/qapi/machine.json
-index e8b60641f2..2054cdc70d 100644
+index a6b8795b09..9f7ed0eaa0 100644
 --- a/qapi/machine.json
 +++ b/qapi/machine.json
-@@ -1079,9 +1079,29 @@
+@@ -1163,9 +1163,29 @@
  # @actual: the logical size of the VM in bytes Formula used:
  #     logical_vm_size = vm_ram_size - balloon_size
  #
@@ -138,10 +138,10 @@ index e8b60641f2..2054cdc70d 100644
  ##
  # @query-balloon:
 diff --git a/qapi/pragma.json b/qapi/pragma.json
-index 59fbe74b8c..be8fa304c5 100644
+index 023a2ef7bc..6aaa9cb975 100644
 --- a/qapi/pragma.json
 +++ b/qapi/pragma.json
-@@ -90,6 +90,7 @@
+@@ -81,6 +81,7 @@
      'member-name-exceptions': [     # visible in:
          'ACPISlotType',             # query-acpi-ospm-status
          'AcpiTableOptions',         # -acpitable

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 4b72009cd3..314351cdff 100644
+index 130217da8f..52a6d74820 100644
 --- a/hw/core/machine-qmp-cmds.c
 +++ b/hw/core/machine-qmp-cmds.c
-@@ -90,6 +90,12 @@ MachineInfoList *qmp_query_machines(Error **errp)
+@@ -90,6 +90,12 @@ MachineInfoList *qmp_query_machines(bool has_compat_props, bool compat_props,
          info->numa_mem_supported = mc->numa_mem_supported;
          info->deprecated = !!mc->deprecation_reason;
          info->acpi = !!object_class_property_find(OBJECT_CLASS(mc), "acpi");
@@ -30,10 +30,10 @@ index 4b72009cd3..314351cdff 100644
              info->default_cpu_type = g_strdup(mc->default_cpu_type);
          }
 diff --git a/qapi/machine.json b/qapi/machine.json
-index 2054cdc70d..a024d5b05d 100644
+index 9f7ed0eaa0..16366b774a 100644
 --- a/qapi/machine.json
 +++ b/qapi/machine.json
-@@ -146,6 +146,8 @@
+@@ -167,6 +167,8 @@
  #
  # @is-default: whether the machine is default
  #
@@ -42,7 +42,7 @@ index 2054cdc70d..a024d5b05d 100644
  # @cpu-max: maximum number of CPUs supported by the machine type
  #     (since 1.5)
  #
-@@ -170,7 +172,7 @@
+@@ -199,7 +201,7 @@
  ##
  { 'struct': 'MachineInfo',
    'data': { 'name': 'str', '*alias': 'str',
@@ -50,4 +50,4 @@ index 2054cdc70d..a024d5b05d 100644
 +            '*is-default': 'bool', '*is-current': 'bool', 'cpu-max': 'int',
              'hotpluggable-cpus': 'bool',  'numa-mem-supported': 'bool',
              'deprecated': 'bool', '*default-cpu-type': 'str',
-             '*default-ram-id': 'str', 'acpi': 'bool' } }
+             '*default-ram-id': 'str', 'acpi': 'bool',

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

@@ -14,10 +14,10 @@ Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
  2 files changed, 7 insertions(+)
 
 diff --git a/qapi/ui.json b/qapi/ui.json
-index f610bce118..6ea26a9acb 100644
+index 460a26b981..42b911bda3 100644
 --- a/qapi/ui.json
 +++ b/qapi/ui.json
-@@ -314,11 +314,14 @@
+@@ -312,11 +312,14 @@
  #
  # @channels: a list of @SpiceChannel for each active spice channel
  #
@@ -33,7 +33,7 @@ index f610bce118..6ea26a9acb 100644
    'if': 'CONFIG_SPICE' }
  
 diff --git a/ui/spice-core.c b/ui/spice-core.c
-index ea20e6153c..55a15fba8b 100644
+index a7ecaad9c7..fecf002d50 100644
 --- a/ui/spice-core.c
 +++ b/ui/spice-core.c
 @@ -548,6 +548,10 @@ static SpiceInfo *qmp_query_spice_real(Error **errp)

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

@@ -271,7 +271,7 @@ index 0000000000..17ae2cb261
 +
 +#endif /* QIO_CHANNEL_SAVEVM_ASYNC_H */
 diff --git a/migration/meson.build b/migration/meson.build
-index 1eeb915ff6..95d1cf2250 100644
+index d53cf3417a..b00d58064d 100644
 --- a/migration/meson.build
 +++ b/migration/meson.build
 @@ -13,6 +13,7 @@ system_ss.add(files(
@@ -279,6 +279,6 @@ index 1eeb915ff6..95d1cf2250 100644
    'channel.c',
    'channel-block.c',
 +  'channel-savevm-async.c',
+   'cpu-throttle.c',
    'dirtyrate.c',
    'exec.c',
-   'fd.c',

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

@@ -27,7 +27,10 @@ Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
 [FE: further improve aborting
      adapt to removal of QEMUFileOps
      improve condition for entering final stage
-     adapt to QAPI and other changes for 8.2]
+     adapt to QAPI and other changes for 8.2
+     make sure to not call vm_start() from coroutine
+     stop CPU throttling after finishing
+     force raw format when loading state as suggested by Friedrich Weber]
 Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
 ---
  hmp-commands-info.hx         |  13 +
@@ -35,20 +38,20 @@ Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
  include/migration/snapshot.h |   2 +
  include/monitor/hmp.h        |   3 +
  migration/meson.build        |   1 +
- migration/savevm-async.c     | 531 +++++++++++++++++++++++++++++++++++
+ migration/savevm-async.c     | 571 +++++++++++++++++++++++++++++++++++
  monitor/hmp-cmds.c           |  38 +++
  qapi/migration.json          |  34 +++
  qapi/misc.json               |  18 ++
  qemu-options.hx              |  12 +
  system/vl.c                  |  10 +
- 11 files changed, 679 insertions(+)
+ 11 files changed, 719 insertions(+)
  create mode 100644 migration/savevm-async.c
 
 diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx
-index ad1b1306e3..d5ab880492 100644
+index c59cd6637b..d1a7b99add 100644
 --- a/hmp-commands-info.hx
 +++ b/hmp-commands-info.hx
-@@ -525,6 +525,19 @@ SRST
+@@ -512,6 +512,19 @@ SRST
      Show current migration parameters.
  ERST
  
@@ -69,10 +72,10 @@ index ad1b1306e3..d5ab880492 100644
          .name       = "balloon",
          .args_type  = "",
 diff --git a/hmp-commands.hx b/hmp-commands.hx
-index 2e2a3bcf98..7506de251c 100644
+index 06746f0afc..0c7c6f2c16 100644
 --- a/hmp-commands.hx
 +++ b/hmp-commands.hx
-@@ -1862,3 +1862,20 @@ SRST
+@@ -1859,3 +1859,20 @@ SRST
    List event channels in the guest
  ERST
  #endif
@@ -105,7 +108,7 @@ index 9e4dcaaa75..2581730d74 100644
 +
  #endif
 diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h
-index 13f9a2dedb..7a7def7530 100644
+index ae116d9804..2596cc2426 100644
 --- a/include/monitor/hmp.h
 +++ b/include/monitor/hmp.h
 @@ -28,6 +28,7 @@ void hmp_info_status(Monitor *mon, const QDict *qdict);
@@ -116,7 +119,7 @@ index 13f9a2dedb..7a7def7530 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);
-@@ -94,6 +95,8 @@ void hmp_closefd(Monitor *mon, const QDict *qdict);
+@@ -92,6 +93,8 @@ void hmp_closefd(Monitor *mon, const QDict *qdict);
  void hmp_mouse_move(Monitor *mon, const QDict *qdict);
  void hmp_mouse_button(Monitor *mon, const QDict *qdict);
  void hmp_mouse_set(Monitor *mon, const QDict *qdict);
@@ -126,10 +129,10 @@ index 13f9a2dedb..7a7def7530 100644
  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 95d1cf2250..800f12a60d 100644
+index b00d58064d..075b013971 100644
 --- a/migration/meson.build
 +++ b/migration/meson.build
-@@ -28,6 +28,7 @@ system_ss.add(files(
+@@ -29,6 +29,7 @@ system_ss.add(files(
    'options.c',
    'postcopy-ram.c',
    'savevm.c',
@@ -139,10 +142,10 @@ index 95d1cf2250..800f12a60d 100644
    'threadinfo.c',
 diff --git a/migration/savevm-async.c b/migration/savevm-async.c
 new file mode 100644
-index 0000000000..779e4e2a78
+index 0000000000..ee8ef316d0
 --- /dev/null
 +++ b/migration/savevm-async.c
-@@ -0,0 +1,531 @@
+@@ -0,0 +1,571 @@
 +#include "qemu/osdep.h"
 +#include "migration/channel-savevm-async.h"
 +#include "migration/migration.h"
@@ -153,6 +156,7 @@ index 0000000000..779e4e2a78
 +#include "migration/global_state.h"
 +#include "migration/ram.h"
 +#include "migration/qemu-file.h"
++#include "sysemu/cpu-throttle.h"
 +#include "sysemu/sysemu.h"
 +#include "sysemu/runstate.h"
 +#include "block/block.h"
@@ -164,6 +168,7 @@ index 0000000000..779e4e2a78
 +#include "qapi/qapi-commands-misc.h"
 +#include "qapi/qapi-commands-block.h"
 +#include "qemu/cutils.h"
++#include "qemu/error-report.h"
 +#include "qemu/timer.h"
 +#include "qemu/main-loop.h"
 +#include "qemu/rcu.h"
@@ -257,6 +262,7 @@ index 0000000000..779e4e2a78
 +    }
 +
 +    if (snap_state.target) {
++        BlockDriverState *target_bs = blk_bs(snap_state.target);
 +        if (!savevm_aborted()) {
 +            /* try to truncate, but ignore errors (will fail on block devices).
 +            * note1: bdrv_read() need whole blocks, so we need to round up
@@ -265,7 +271,9 @@ index 0000000000..779e4e2a78
 +            size_t size = QEMU_ALIGN_UP(snap_state.bs_pos, BDRV_SECTOR_SIZE*2);
 +            blk_truncate(snap_state.target, size, false, PREALLOC_MODE_OFF, 0, NULL);
 +        }
-+        blk_op_unblock_all(snap_state.target, snap_state.blocker);
++        if (target_bs) {
++            bdrv_op_unblock_all(target_bs, snap_state.blocker);
++        }
 +        error_free(snap_state.blocker);
 +        snap_state.blocker = NULL;
 +        blk_unref(snap_state.target);
@@ -289,7 +297,7 @@ index 0000000000..779e4e2a78
 +    DPRINTF("save_snapshot_error: %s\n", msg);
 +
 +    if (!snap_state.error) {
-+        error_set(&snap_state.error, ERROR_CLASS_GENERIC_ERROR, "%s", msg);
++        error_setg(&snap_state.error, "%s", msg);
 +    }
 +
 +    g_free (msg);
@@ -341,6 +349,12 @@ index 0000000000..779e4e2a78
 +        ret || aborted ? MIGRATION_STATUS_FAILED : MIGRATION_STATUS_COMPLETED);
 +    ms->to_dst_file = NULL;
 +
++    /*
++     * Same as in migration_iteration_finish(): saving RAM might've turned on CPU throttling for
++     * auto-converge, make sure to disable it.
++     */
++    cpu_throttle_stop();
++
 +    qemu_savevm_state_cleanup();
 +
 +    ret = save_snapshot_cleanup();
@@ -470,23 +484,18 @@ index 0000000000..779e4e2a78
 +    Error *local_err = NULL;
 +    MigrationState *ms = migrate_get_current();
 +    AioContext *iohandler_ctx = iohandler_get_aio_context();
++    BlockDriverState *target_bs = NULL;
++    int ret = 0;
 +
 +    int bdrv_oflags = BDRV_O_RDWR | BDRV_O_RESIZE | BDRV_O_NO_FLUSH;
 +
 +    if (snap_state.state != SAVE_STATE_DONE) {
-+        error_set(errp, ERROR_CLASS_GENERIC_ERROR,
-+                  "VM snapshot already started\n");
++        error_setg(errp, "VM snapshot already started\n");
 +        return;
 +    }
 +
 +    if (migration_is_running()) {
-+        error_set(errp, ERROR_CLASS_GENERIC_ERROR, QERR_MIGRATION_ACTIVE);
-+        return;
-+    }
-+
-+    if (migrate_block()) {
-+        error_set(errp, ERROR_CLASS_GENERIC_ERROR,
-+                  "Block migration and snapshots are incompatible");
++        error_setg(errp, "There's a migration process in progress");
 +        return;
 +    }
 +
@@ -518,7 +527,12 @@ index 0000000000..779e4e2a78
 +    qdict_put_str(options, "driver", "raw");
 +    snap_state.target = blk_new_open(statefile, NULL, options, bdrv_oflags, &local_err);
 +    if (!snap_state.target) {
-+        error_set(errp, ERROR_CLASS_GENERIC_ERROR, "failed to open '%s'", statefile);
++        error_setg(errp, "failed to open '%s'", statefile);
++        goto restart;
++    }
++    target_bs = blk_bs(snap_state.target);
++    if (!target_bs) {
++        error_setg(errp, "failed to open '%s' - no block driver state", statefile);
 +        goto restart;
 +    }
 +
@@ -527,7 +541,7 @@ index 0000000000..779e4e2a78
 +    snap_state.file = qemu_file_new_output(ioc);
 +
 +    if (!snap_state.file) {
-+        error_set(errp, ERROR_CLASS_GENERIC_ERROR, "failed to open '%s'", statefile);
++        error_setg(errp, "failed to open '%s'", statefile);
 +        goto restart;
 +    }
 +
@@ -543,19 +557,29 @@ index 0000000000..779e4e2a78
 +    ms->to_dst_file = snap_state.file;
 +
 +    error_setg(&snap_state.blocker, "block device is in use by savevm");
-+    blk_op_block_all(snap_state.target, snap_state.blocker);
++    bdrv_op_block_all(target_bs, snap_state.blocker);
 +
 +    snap_state.state = SAVE_STATE_ACTIVE;
 +    snap_state.finalize_bh = qemu_bh_new(process_savevm_finalize, &snap_state);
-+    snap_state.co = qemu_coroutine_create(&process_savevm_co, NULL);
 +    qemu_savevm_state_header(snap_state.file);
-+    qemu_savevm_state_setup(snap_state.file);
++    ret = qemu_savevm_state_setup(snap_state.file, &local_err);
++    if (ret != 0) {
++        error_setg_errno(errp, -ret, "savevm state setup failed: %s",
++                         local_err ? error_get_pretty(local_err) : "unknown error");
++        return;
++    }
 +
 +    /* Async processing from here on out happens in iohandler context, so let
 +     * the target bdrv have its home there.
 +     */
-+    blk_set_aio_context(snap_state.target, iohandler_ctx, &local_err);
++    ret = blk_set_aio_context(snap_state.target, iohandler_ctx, &local_err);
++    if (ret != 0) {
++        warn_report("failed to set iohandler context for VM state target: %s %s",
++                    local_err ? error_get_pretty(local_err) : "unknown error",
++                    strerror(-ret));
++    }
 +
++    snap_state.co = qemu_coroutine_create(&process_savevm_co, NULL);
 +    aio_co_schedule(iohandler_ctx, snap_state.co);
 +
 +    return;
@@ -570,29 +594,10 @@ index 0000000000..779e4e2a78
 +    }
 +}
 +
-+void coroutine_fn qmp_savevm_end(Error **errp)
++static void coroutine_fn wait_for_close_co(void *opaque)
 +{
 +    int64_t timeout;
 +
-+    if (snap_state.state == SAVE_STATE_DONE) {
-+        error_set(errp, ERROR_CLASS_GENERIC_ERROR,
-+                  "VM snapshot not started\n");
-+        return;
-+    }
-+
-+    if (snap_state.state == SAVE_STATE_ACTIVE) {
-+        snap_state.state = SAVE_STATE_CANCELLED;
-+        goto wait_for_close;
-+    }
-+
-+    if (snap_state.saved_vm_running) {
-+        vm_start();
-+        snap_state.saved_vm_running = false;
-+    }
-+
-+    snap_state.state = SAVE_STATE_DONE;
-+
-+wait_for_close:
 +    if (!snap_state.target) {
 +        DPRINTF("savevm-end: no target file open\n");
 +        return;
@@ -620,25 +625,61 @@ index 0000000000..779e4e2a78
 +    DPRINTF("savevm-end: cleanup done\n");
 +}
 +
++void qmp_savevm_end(Error **errp)
++{
++    if (snap_state.state == SAVE_STATE_DONE) {
++        error_setg(errp, "VM snapshot not started\n");
++        return;
++    }
++
++    Coroutine *wait_for_close = qemu_coroutine_create(wait_for_close_co, NULL);
++
++    if (snap_state.state == SAVE_STATE_ACTIVE) {
++        snap_state.state = SAVE_STATE_CANCELLED;
++        qemu_coroutine_enter(wait_for_close);
++        return;
++    }
++
++    if (snap_state.saved_vm_running) {
++        vm_start();
++        snap_state.saved_vm_running = false;
++    }
++
++    snap_state.state = SAVE_STATE_DONE;
++
++    qemu_coroutine_enter(wait_for_close);
++}
++
 +int load_snapshot_from_blockdev(const char *filename, Error **errp)
 +{
 +    BlockBackend *be;
++    BlockDriverState *bs = NULL;
 +    Error *local_err = NULL;
 +    Error *blocker = NULL;
++    QDict *options;
 +
 +    QEMUFile *f;
 +    size_t bs_pos = 0;
 +    int ret = -EINVAL;
 +
-+    be = blk_new_open(filename, NULL, NULL, 0, &local_err);
++    options = qdict_new();
++    qdict_put_str(options, "driver", "raw");
++
++    be = blk_new_open(filename, NULL, options, 0, &local_err);
 +
 +    if (!be) {
 +        error_setg(errp, "Could not open VM state file");
 +        goto the_end;
 +    }
 +
++    bs = blk_bs(be);
++    if (!bs) {
++        error_setg(errp, "Could not open VM state file - missing block driver state");
++        goto the_end;
++    }
++
 +    error_setg(&blocker, "block device is in use by load state");
-+    blk_op_block_all(be, blocker);
++    bdrv_op_block_all(bs, blocker);
 +
 +    /* restore the VM state */
 +    f = qemu_file_new_input(QIO_CHANNEL(qio_channel_savevm_async_new(be, &bs_pos)));
@@ -668,28 +709,30 @@ index 0000000000..779e4e2a78
 +
 + the_end:
 +    if (be) {
-+        blk_op_unblock_all(be, blocker);
++        if (bs) {
++            bdrv_op_unblock_all(bs, blocker);
++        }
 +        error_free(blocker);
 +        blk_unref(be);
 +    }
 +    return ret;
 +}
 diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c
-index 871898ac46..ef4634e5c1 100644
+index f601d06ab8..874084565f 100644
 --- a/monitor/hmp-cmds.c
 +++ b/monitor/hmp-cmds.c
-@@ -22,6 +22,7 @@
- #include "monitor/monitor-internal.h"
+@@ -24,6 +24,7 @@
  #include "qapi/error.h"
  #include "qapi/qapi-commands-control.h"
+ #include "qapi/qapi-commands-machine.h"
 +#include "qapi/qapi-commands-migration.h"
  #include "qapi/qapi-commands-misc.h"
  #include "qapi/qmp/qdict.h"
  #include "qemu/cutils.h"
-@@ -443,3 +444,40 @@ void hmp_info_mtree(Monitor *mon, const QDict *qdict)
- 
-     mtree_info(flatview, dispatch_tree, owner, disabled);
+@@ -434,3 +435,40 @@ void hmp_dumpdtb(Monitor *mon, const QDict *qdict)
+     monitor_printf(mon, "dtb dumped to %s", filename);
  }
+ #endif
 +
 +void hmp_savevm_start(Monitor *mon, const QDict *qdict)
 +{
@@ -728,10 +771,10 @@ index 871898ac46..ef4634e5c1 100644
 +    }
 +}
 diff --git a/qapi/migration.json b/qapi/migration.json
-index 8c65b90328..ed20d066cd 100644
+index a605dc26db..927b1e1c7d 100644
 --- a/qapi/migration.json
 +++ b/qapi/migration.json
-@@ -297,6 +297,40 @@
+@@ -276,6 +276,40 @@
             '*dirty-limit-throttle-time-per-round': 'uint64',
             '*dirty-limit-ring-full-time': 'uint64'} }
  
@@ -773,7 +816,7 @@ index 8c65b90328..ed20d066cd 100644
  # @query-migrate:
  #
 diff --git a/qapi/misc.json b/qapi/misc.json
-index ec30e5c570..7147199a12 100644
+index 559b66f201..7959e89c1e 100644
 --- a/qapi/misc.json
 +++ b/qapi/misc.json
 @@ -454,6 +454,24 @@
@@ -796,16 +839,16 @@ index ec30e5c570..7147199a12 100644
 +# Resume VM after a snapshot.
 +#
 +##
-+{ 'command': 'savevm-end', 'coroutine': true }
++{ 'command': 'savevm-end' }
 +
  ##
  # @CommandLineParameterType:
  #
 diff --git a/qemu-options.hx b/qemu-options.hx
-index 8ce85d4559..511ab9415e 100644
+index dacc9790a4..c05f411599 100644
 --- a/qemu-options.hx
 +++ b/qemu-options.hx
-@@ -4610,6 +4610,18 @@ SRST
+@@ -4764,6 +4764,18 @@ SRST
      Start right away with a saved state (``loadvm`` in monitor)
  ERST
  
@@ -825,10 +868,10 @@ index 8ce85d4559..511ab9415e 100644
  DEF("daemonize", 0, QEMU_OPTION_daemonize, \
      "-daemonize      daemonize QEMU after initializing\n", QEMU_ARCH_ALL)
 diff --git a/system/vl.c b/system/vl.c
-index c644222982..2738ab7c91 100644
+index 2f855d83fb..39d451bb41 100644
 --- a/system/vl.c
 +++ b/system/vl.c
-@@ -163,6 +163,7 @@ static const char *accelerators;
+@@ -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;
@@ -836,7 +879,7 @@ index c644222982..2738ab7c91 100644
  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;
-@@ -2712,6 +2713,12 @@ void qmp_x_exit_preconfig(Error **errp)
+@@ -2725,6 +2726,12 @@ void qmp_x_exit_preconfig(Error **errp)
          RunState state = autostart ? RUN_STATE_RUNNING : runstate_get();
          load_snapshot(loadvm, NULL, false, NULL, &error_fatal);
          load_snapshot_resume(state);
@@ -849,7 +892,7 @@ index c644222982..2738ab7c91 100644
      }
      if (replay_mode != REPLAY_MODE_NONE) {
          replay_vmstate_init();
-@@ -3259,6 +3266,9 @@ void qemu_init(int argc, char **argv)
+@@ -3262,6 +3269,9 @@ void qemu_init(int argc, char **argv)
              case QEMU_OPTION_loadvm:
                  loadvm = optarg;
                  break;

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

@@ -13,16 +13,16 @@ 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    | 50 +++++++++++++++++++++++++++-------------
+ migration/qemu-file.c    | 48 +++++++++++++++++++++++++++-------------
  migration/qemu-file.h    |  2 ++
- migration/savevm-async.c |  5 ++--
- 3 files changed, 39 insertions(+), 18 deletions(-)
+ migration/savevm-async.c |  5 +++--
+ 3 files changed, 38 insertions(+), 17 deletions(-)
 
 diff --git a/migration/qemu-file.c b/migration/qemu-file.c
-index a10882d47f..19c1de0472 100644
+index b6d2f588bd..754dc0b3f7 100644
 --- a/migration/qemu-file.c
 +++ b/migration/qemu-file.c
-@@ -35,8 +35,8 @@
+@@ -34,8 +34,8 @@
  #include "rdma.h"
  #include "io/channel-file.h"
  
@@ -33,7 +33,7 @@ index a10882d47f..19c1de0472 100644
  
  struct QEMUFile {
      QIOChannel *ioc;
-@@ -44,7 +44,8 @@ struct QEMUFile {
+@@ -43,7 +43,8 @@ struct QEMUFile {
  
      int buf_index;
      int buf_size; /* 0 when writing */
@@ -43,7 +43,7 @@ index a10882d47f..19c1de0472 100644
  
      DECLARE_BITMAP(may_free, MAX_IOV_SIZE);
      struct iovec iov[MAX_IOV_SIZE];
-@@ -101,7 +102,9 @@ int qemu_file_shutdown(QEMUFile *f)
+@@ -100,7 +101,9 @@ int qemu_file_shutdown(QEMUFile *f)
      return 0;
  }
  
@@ -54,7 +54,7 @@ index a10882d47f..19c1de0472 100644
  {
      QEMUFile *f;
  
-@@ -110,6 +113,8 @@ static QEMUFile *qemu_file_new_impl(QIOChannel *ioc, bool is_writable)
+@@ -109,6 +112,8 @@ static QEMUFile *qemu_file_new_impl(QIOChannel *ioc, bool is_writable)
      object_ref(ioc);
      f->ioc = ioc;
      f->is_writable = is_writable;
@@ -63,7 +63,7 @@ index a10882d47f..19c1de0472 100644
  
      return f;
  }
-@@ -120,17 +125,27 @@ static QEMUFile *qemu_file_new_impl(QIOChannel *ioc, bool is_writable)
+@@ -119,17 +124,27 @@ static QEMUFile *qemu_file_new_impl(QIOChannel *ioc, bool is_writable)
   */
  QEMUFile *qemu_file_get_return_path(QEMUFile *f)
  {
@@ -94,7 +94,7 @@ index a10882d47f..19c1de0472 100644
  }
  
  /*
-@@ -328,7 +343,7 @@ static ssize_t coroutine_mixed_fn qemu_fill_buffer(QEMUFile *f)
+@@ -327,7 +342,7 @@ static ssize_t coroutine_mixed_fn qemu_fill_buffer(QEMUFile *f)
      do {
          len = qio_channel_read(f->ioc,
                                 (char *)f->buf + pending,
@@ -103,7 +103,7 @@ index a10882d47f..19c1de0472 100644
                                 &local_error);
          if (len == QIO_CHANNEL_ERR_BLOCK) {
              if (qemu_in_coroutine()) {
-@@ -368,6 +383,9 @@ int qemu_fclose(QEMUFile *f)
+@@ -367,6 +382,9 @@ int qemu_fclose(QEMUFile *f)
          ret = ret2;
      }
      g_clear_pointer(&f->ioc, object_unref);
@@ -113,7 +113,7 @@ index a10882d47f..19c1de0472 100644
      error_free(f->last_error_obj);
      g_free(f);
      trace_qemu_file_fclose();
-@@ -416,7 +434,7 @@ static void add_buf_to_iovec(QEMUFile *f, size_t len)
+@@ -415,7 +433,7 @@ 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;
@@ -122,7 +122,7 @@ index a10882d47f..19c1de0472 100644
              qemu_fflush(f);
          }
      }
-@@ -441,7 +459,7 @@ void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, size_t size)
+@@ -440,7 +458,7 @@ void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, size_t size)
      }
  
      while (size > 0) {
@@ -131,7 +131,7 @@ index a10882d47f..19c1de0472 100644
          if (l > size) {
              l = size;
          }
-@@ -587,8 +605,8 @@ size_t coroutine_mixed_fn qemu_peek_buffer(QEMUFile *f, uint8_t **buf, size_t si
+@@ -586,8 +604,8 @@ size_t coroutine_mixed_fn qemu_peek_buffer(QEMUFile *f, uint8_t **buf, size_t si
      size_t index;
  
      assert(!qemu_file_is_writable(f));
@@ -142,7 +142,7 @@ index a10882d47f..19c1de0472 100644
  
      /* The 1st byte to read from */
      index = f->buf_index + offset;
-@@ -638,7 +656,7 @@ size_t coroutine_mixed_fn qemu_get_buffer(QEMUFile *f, uint8_t *buf, size_t size
+@@ -637,7 +655,7 @@ size_t coroutine_mixed_fn qemu_get_buffer(QEMUFile *f, uint8_t *buf, size_t size
          size_t res;
          uint8_t *src;
  
@@ -151,7 +151,7 @@ index a10882d47f..19c1de0472 100644
          if (res == 0) {
              return done;
          }
-@@ -672,7 +690,7 @@ size_t coroutine_mixed_fn qemu_get_buffer(QEMUFile *f, uint8_t *buf, size_t size
+@@ -671,7 +689,7 @@ size_t coroutine_mixed_fn qemu_get_buffer(QEMUFile *f, uint8_t *buf, size_t size
   */
  size_t coroutine_mixed_fn qemu_get_buffer_in_place(QEMUFile *f, uint8_t **buf, size_t size)
  {
@@ -160,7 +160,7 @@ index a10882d47f..19c1de0472 100644
          size_t res;
          uint8_t *src = NULL;
  
-@@ -697,7 +715,7 @@ int coroutine_mixed_fn qemu_peek_byte(QEMUFile *f, int offset)
+@@ -696,7 +714,7 @@ int coroutine_mixed_fn qemu_peek_byte(QEMUFile *f, int offset)
      int index = f->buf_index + offset;
  
      assert(!qemu_file_is_writable(f));
@@ -169,17 +169,8 @@ index a10882d47f..19c1de0472 100644
  
      if (index >= f->buf_size) {
          qemu_fill_buffer(f);
-@@ -811,7 +829,7 @@ 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)
- {
--    ssize_t blen = IO_BUF_SIZE - f->buf_index - sizeof(int32_t);
-+    ssize_t blen = f->buf_allocated_size - f->buf_index - sizeof(int32_t);
- 
-     if (blen < compressBound(size)) {
-         return -1;
 diff --git a/migration/qemu-file.h b/migration/qemu-file.h
-index 32fd4a34fd..36a0cd8cc8 100644
+index 11c2120edd..edf3c5d147 100644
 --- a/migration/qemu-file.h
 +++ b/migration/qemu-file.h
 @@ -30,7 +30,9 @@
@@ -193,10 +184,10 @@ index 32fd4a34fd..36a0cd8cc8 100644
  
  /*
 diff --git a/migration/savevm-async.c b/migration/savevm-async.c
-index 779e4e2a78..bf36fc06d2 100644
+index ee8ef316d0..1e79fce9ba 100644
 --- a/migration/savevm-async.c
 +++ b/migration/savevm-async.c
-@@ -379,7 +379,7 @@ void qmp_savevm_start(const char *statefile, Error **errp)
+@@ -390,7 +390,7 @@ void qmp_savevm_start(const char *statefile, Error **errp)
  
      QIOChannel *ioc = QIO_CHANNEL(qio_channel_savevm_async_new(snap_state.target,
                                                                 &snap_state.bs_pos));
@@ -204,9 +195,9 @@ index 779e4e2a78..bf36fc06d2 100644
 +    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);
-@@ -496,7 +496,8 @@ int load_snapshot_from_blockdev(const char *filename, Error **errp)
-     blk_op_block_all(be, blocker);
+         error_setg(errp, "failed to open '%s'", statefile);
+@@ -534,7 +534,8 @@ int load_snapshot_from_blockdev(const char *filename, Error **errp)
+     bdrv_op_block_all(bs, blocker);
  
      /* restore the VM state */
 -    f = qemu_file_new_input(QIO_CHANNEL(qio_channel_savevm_async_new(be, &bs_pos)));

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

@@ -5,16 +5,17 @@ Subject: [PATCH] PVE: block: add the zeroinit block driver filter
 
 Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 [FE: adapt to changed function signatures
-     adhere to block graph lock requirements]
+     adhere to block graph lock requirements
+     use dedicated function to open file child]
 Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
 ---
  block/meson.build |   1 +
- block/zeroinit.c  | 214 ++++++++++++++++++++++++++++++++++++++++++++++
- 2 files changed, 215 insertions(+)
+ block/zeroinit.c  | 207 ++++++++++++++++++++++++++++++++++++++++++++++
+ 2 files changed, 208 insertions(+)
  create mode 100644 block/zeroinit.c
 
 diff --git a/block/meson.build b/block/meson.build
-index e1f03fd773..b530e117b5 100644
+index f1262ec2ba..6a60b5d6b9 100644
 --- a/block/meson.build
 +++ b/block/meson.build
 @@ -39,6 +39,7 @@ block_ss.add(files(
@@ -22,15 +23,15 @@ index e1f03fd773..b530e117b5 100644
    'throttle-groups.c',
    'write-threshold.c',
 +  'zeroinit.c',
- ), zstd, zlib, gnutls)
+ ), zstd, zlib)
  
  system_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..696558d8d6
+index 0000000000..2b2b194ccf
 --- /dev/null
 +++ b/block/zeroinit.c
-@@ -0,0 +1,214 @@
+@@ -0,0 +1,207 @@
 +/*
 + * Filter to fake a zero-initialized block device.
 + *
@@ -96,7 +97,6 @@ index 0000000000..696558d8d6
 +                          Error **errp)
 +{
 +    BDRVZeroinitState *s = bs->opaque;
-+    BdrvChild *file = NULL;
 +    QemuOpts *opts;
 +    Error *local_err = NULL;
 +    int ret;
@@ -112,15 +112,9 @@ index 0000000000..696558d8d6
 +    }
 +
 +    /* Open the raw file */
-+    file = bdrv_open_child(qemu_opt_get(opts, "x-next"), options, "next", bs,
-+                           &child_of_bds,
-+                           BDRV_CHILD_FILTERED | BDRV_CHILD_PRIMARY, false,
-+                           &local_err);
-+    bdrv_graph_wrlock();
-+    bs->file = file;
-+    bdrv_graph_wrunlock();
-+    if (local_err) {
-+        ret = -EINVAL;
++    ret = bdrv_open_file_child(qemu_opt_get(opts, "x-next"), options, "next",
++                               bs, &local_err);
++    if (ret < 0) {
 +        error_propagate(errp, local_err);
 +        goto fail;
 +    }
@@ -218,7 +212,7 @@ index 0000000000..696558d8d6
 +    .instance_size                    = sizeof(BDRVZeroinitState),
 +
 +    .bdrv_parse_filename              = zeroinit_parse_filename,
-+    .bdrv_file_open                   = zeroinit_open,
++    .bdrv_open                        = zeroinit_open,
 +    .bdrv_close                       = zeroinit_close,
 +    .bdrv_co_getlength                = zeroinit_co_getlength,
 +    .bdrv_child_perm                  = bdrv_default_perms,

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

@@ -14,10 +14,10 @@ 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 511ab9415e..92e301d545 100644
+index c05f411599..0732077a0e 100644
 --- a/qemu-options.hx
 +++ b/qemu-options.hx
-@@ -1237,6 +1237,9 @@ legacy PC, they are not recommended for modern configurations.
+@@ -1239,6 +1239,9 @@ legacy PC, they are not recommended for modern configurations.
  
  ERST
  
@@ -28,10 +28,10 @@ index 511ab9415e..92e301d545 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/system/vl.c b/system/vl.c
-index 2738ab7c91..20ebf2c920 100644
+index 39d451bb41..e7cae51f13 100644
 --- a/system/vl.c
 +++ b/system/vl.c
-@@ -2748,6 +2748,7 @@ void qemu_init(int argc, char **argv)
+@@ -2762,6 +2762,7 @@ void qemu_init(int argc, char **argv)
      MachineClass *machine_class;
      bool userconfig = true;
      FILE *vmstate_dump_file = NULL;
@@ -39,7 +39,7 @@ index 2738ab7c91..20ebf2c920 100644
  
      qemu_add_opts(&qemu_drive_opts);
      qemu_add_drive_opts(&qemu_legacy_drive_opts);
-@@ -3371,6 +3372,13 @@ void qemu_init(int argc, char **argv)
+@@ -3374,6 +3375,13 @@ void qemu_init(int argc, char **argv)
                  machine_parse_property_opt(qemu_find_opts("smp-opts"),
                                             "smp", 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 d8fc1e2815..789694b8b3 100644
+index 62f3bbf203..89e0c7d995 100644
 --- a/hw/intc/apic_common.c
 +++ b/hw/intc/apic_common.c
 @@ -263,6 +263,15 @@ static void apic_reset_common(DeviceState *dev)

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

@@ -13,10 +13,10 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  2 files changed, 46 insertions(+), 20 deletions(-)
 
 diff --git a/block/file-posix.c b/block/file-posix.c
-index 43bc0bd520..60e98c87f1 100644
+index e2ea071315..4c3dc56c8e 100644
 --- a/block/file-posix.c
 +++ b/block/file-posix.c
-@@ -2876,6 +2876,7 @@ raw_co_create(BlockdevCreateOptions *options, Error **errp)
+@@ -2884,6 +2884,7 @@ raw_co_create(BlockdevCreateOptions *options, Error **errp)
      int fd;
      uint64_t perm, shared;
      int result = 0;
@@ -24,7 +24,7 @@ index 43bc0bd520..60e98c87f1 100644
  
      /* Validate options and set default values */
      assert(options->driver == BLOCKDEV_DRIVER_FILE);
-@@ -2916,19 +2917,22 @@ raw_co_create(BlockdevCreateOptions *options, Error **errp)
+@@ -2924,19 +2925,22 @@ 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 43bc0bd520..60e98c87f1 100644
      }
  
      /* Clear the file by truncating it to 0 */
-@@ -2982,13 +2986,15 @@ raw_co_create(BlockdevCreateOptions *options, Error **errp)
+@@ -2990,13 +2994,15 @@ raw_co_create(BlockdevCreateOptions *options, Error **errp)
      }
  
  out_unlock:
@@ -82,7 +82,7 @@ index 43bc0bd520..60e98c87f1 100644
      }
  
  out_close:
-@@ -3012,6 +3018,7 @@ raw_co_create_opts(BlockDriver *drv, const char *filename,
+@@ -3020,6 +3026,7 @@ raw_co_create_opts(BlockDriver *drv, const char *filename,
      PreallocMode prealloc;
      char *buf = NULL;
      Error *local_err = NULL;
@@ -90,7 +90,7 @@ index 43bc0bd520..60e98c87f1 100644
  
      /* Skip file: protocol prefix */
      strstart(filename, "file:", &filename);
-@@ -3034,6 +3041,18 @@ raw_co_create_opts(BlockDriver *drv, const char *filename,
+@@ -3042,6 +3049,18 @@ raw_co_create_opts(BlockDriver *drv, const char *filename,
          return -EINVAL;
      }
  
@@ -109,7 +109,7 @@ index 43bc0bd520..60e98c87f1 100644
      options = (BlockdevCreateOptions) {
          .driver     = BLOCKDEV_DRIVER_FILE,
          .u.file     = {
-@@ -3045,6 +3064,8 @@ raw_co_create_opts(BlockDriver *drv, const char *filename,
+@@ -3053,6 +3072,8 @@ raw_co_create_opts(BlockDriver *drv, const char *filename,
              .nocow              = nocow,
              .has_extent_size_hint = has_extent_size_hint,
              .extent_size_hint   = extent_size_hint,
@@ -119,10 +119,10 @@ index 43bc0bd520..60e98c87f1 100644
      };
      return raw_co_create(&options, errp);
 diff --git a/qapi/block-core.json b/qapi/block-core.json
-index 45ab548dfe..f7c2b63c5d 100644
+index 48ba32049f..321d1fd0e1 100644
 --- a/qapi/block-core.json
 +++ b/qapi/block-core.json
-@@ -4956,6 +4956,10 @@
+@@ -4974,6 +4974,10 @@
  # @extent-size-hint: Extent size hint to add to the image file; 0 for
  #     not adding an extent size hint (default: 1 MB, since 5.1)
  #
@@ -133,7 +133,7 @@ index 45ab548dfe..f7c2b63c5d 100644
  # Since: 2.12
  ##
  { 'struct': 'BlockdevCreateOptionsFile',
-@@ -4963,7 +4967,8 @@
+@@ -4981,7 +4985,8 @@
              '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 589c9524f8..2505dd658a 100644
+index eb181d5979..20fc0d20a6 100644
 --- a/monitor/qmp.c
 +++ b/monitor/qmp.c
-@@ -536,8 +536,7 @@ void monitor_init_qmp(Chardev *chr, bool pretty, Error **errp)
+@@ -534,8 +534,7 @@ 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 37ede0e7d4..513e49bab1 100644
+index f29fe95964..2c327fc36a 100644
 --- a/hw/core/machine.c
 +++ b/hw/core/machine.c
-@@ -161,7 +161,8 @@ GlobalProperty hw_compat_4_0[] = {
+@@ -180,7 +180,8 @@ 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

@@ -16,15 +16,15 @@ Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
 ---
  hw/core/machine-qmp-cmds.c |  5 +++++
  include/hw/boards.h        |  2 ++
- qapi/machine.json          |  4 +++-
- system/vl.c                | 25 +++++++++++++++++++++++++
- 4 files changed, 35 insertions(+), 1 deletion(-)
+ qapi/machine.json          |  3 +++
+ system/vl.c                | 24 ++++++++++++++++++++++++
+ 4 files changed, 34 insertions(+)
 
 diff --git a/hw/core/machine-qmp-cmds.c b/hw/core/machine-qmp-cmds.c
-index 314351cdff..628a3537c5 100644
+index 52a6d74820..362128842d 100644
 --- a/hw/core/machine-qmp-cmds.c
 +++ b/hw/core/machine-qmp-cmds.c
-@@ -94,6 +94,11 @@ MachineInfoList *qmp_query_machines(Error **errp)
+@@ -94,6 +94,11 @@ MachineInfoList *qmp_query_machines(bool has_compat_props, bool compat_props,
          if (strcmp(mc->name, MACHINE_GET_CLASS(current_machine)->name) == 0) {
              info->has_is_current = true;
              info->is_current = true;
@@ -37,65 +37,64 @@ index 314351cdff..628a3537c5 100644
  
          if (mc->default_cpu_type) {
 diff --git a/include/hw/boards.h b/include/hw/boards.h
-index 8b8f6d5c00..dd6d0a1447 100644
+index 36fbb9b59d..d1741ea121 100644
 --- a/include/hw/boards.h
 +++ b/include/hw/boards.h
-@@ -246,6 +246,8 @@ struct MachineClass {
+@@ -268,6 +268,8 @@ struct MachineClass {
      const char *desc;
      const char *deprecation_reason;
  
 +    const char *pve_version;
 +
      void (*init)(MachineState *state);
-     void (*reset)(MachineState *state, ShutdownCause reason);
+     void (*reset)(MachineState *state, ResetType type);
      void (*wakeup)(MachineState *state);
 diff --git a/qapi/machine.json b/qapi/machine.json
-index a024d5b05d..1d69bffaa0 100644
+index 16366b774a..12cfd3f260 100644
 --- a/qapi/machine.json
 +++ b/qapi/machine.json
-@@ -168,6 +168,8 @@
+@@ -189,6 +189,8 @@
  #
  # @acpi: machine type supports ACPI (since 8.0)
  #
 +# @pve-version: custom PVE version suffix specified as 'machine+pveN'
 +#
- # Since: 1.2
- ##
- { 'struct': 'MachineInfo',
-@@ -175,7 +177,7 @@
-             '*is-default': 'bool', '*is-current': 'bool', 'cpu-max': 'int',
+ # @compat-props: The machine type's compatibility properties.  Only
+ #     present when query-machines argument @compat-props is true.
+ #     (since 9.1)
+@@ -205,6 +207,7 @@
              'hotpluggable-cpus': 'bool',  'numa-mem-supported': 'bool',
              'deprecated': 'bool', '*default-cpu-type': 'str',
--            '*default-ram-id': 'str', 'acpi': 'bool' } }
-+            '*default-ram-id': 'str', 'acpi': 'bool', '*pve-version': 'str' } }
+             '*default-ram-id': 'str', 'acpi': 'bool',
++            '*pve-version': 'str',
+             '*compat-props': { 'type': ['CompatProperty'],
+                                'features': ['unstable'] } } }
  
- ##
- # @query-machines:
 diff --git a/system/vl.c b/system/vl.c
-index 20ebf2c920..4d39e32097 100644
+index e7cae51f13..3f4916ac5a 100644
 --- a/system/vl.c
 +++ b/system/vl.c
-@@ -1659,6 +1659,7 @@ static const QEMUOption *lookup_opt(int argc, char **argv,
- static MachineClass *select_machine(QDict *qdict, Error **errp)
+@@ -1675,6 +1675,7 @@ static MachineClass *select_machine(QDict *qdict, Error **errp)
  {
+     ERRP_GUARD();
      const char *machine_type = 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;
-@@ -1676,6 +1677,11 @@ static MachineClass *select_machine(QDict *qdict, Error **errp)
-         }
-     }
+     g_autoptr(GSList) machines = object_class_get_list(TYPE_MACHINE, false);
+     MachineClass *machine_class = NULL;
  
-+    if (machine_class) {
+@@ -1694,7 +1695,11 @@ static MachineClass *select_machine(QDict *qdict, Error **errp)
+     if (!machine_class) {
+         error_append_hint(errp,
+                           "Use -machine help to list supported machines\n");
++    } else {
 +        machine_class->pve_version = g_strdup(pvever);
 +        qdict_del(qdict, "pvever");
-+    }
+     }
 +
-     g_slist_free(machines);
-     if (local_err) {
-         error_append_hint(&local_err, "Use -machine help to list supported machines\n");
-@@ -3313,12 +3319,31 @@ void qemu_init(int argc, char **argv)
+     return machine_class;
+ }
+ 
+@@ -3316,12 +3321,31 @@ void qemu_init(int argc, char **argv)
              case QEMU_OPTION_machine:
                  {
                      bool help;

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

@@ -25,7 +25,7 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 4 insertions(+), 4 deletions(-)
 
 diff --git a/block/backup.c b/block/backup.c
-index ec29d6b810..270957c0cd 100644
+index a1292c01ec..2e38b30d67 100644
 --- a/block/backup.c
 +++ b/block/backup.c
 @@ -237,8 +237,8 @@ static void backup_init_bcs_bitmap(BackupBlockJob *job)
@@ -48,7 +48,7 @@ index ec29d6b810..270957c0cd 100644
      if (s->sync_mode == MIRROR_SYNC_MODE_TOP) {
          int64_t offset = 0;
          int64_t count;
-@@ -501,6 +499,8 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
+@@ -502,6 +500,8 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
                         &error_abort);
      bdrv_graph_wrunlock();
  

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

@@ -10,28 +10,29 @@ skip reads.
 
 Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 [FE: improvements during create
-     allow partial restore]
+     allow partial restore
+     allow specifying disk formats for create operation]
 Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
 ---
  block/meson.build |   2 +
  meson.build       |   5 +
- vma-reader.c      | 870 ++++++++++++++++++++++++++++++++++++++++++++
- vma-writer.c      | 818 +++++++++++++++++++++++++++++++++++++++++
- vma.c             | 901 ++++++++++++++++++++++++++++++++++++++++++++++
+ vma-reader.c      | 867 ++++++++++++++++++++++++++++++++++++++++++
+ vma-writer.c      | 816 ++++++++++++++++++++++++++++++++++++++++
+ vma.c             | 941 ++++++++++++++++++++++++++++++++++++++++++++++
  vma.h             | 150 ++++++++
- 6 files changed, 2746 insertions(+)
+ 6 files changed, 2781 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 b530e117b5..b245daa98e 100644
+index 6a60b5d6b9..652c8cbdb7 100644
 --- a/block/meson.build
 +++ b/block/meson.build
 @@ -42,6 +42,8 @@ block_ss.add(files(
    'zeroinit.c',
- ), zstd, zlib, gnutls)
+ ), zstd, zlib)
  
 +block_ss.add(files('../vma-writer.c'), libuuid)
 +
@@ -39,10 +40,10 @@ index b530e117b5..b245daa98e 100644
  system_ss.add(files('block-ram-registrar.c'))
  
 diff --git a/meson.build b/meson.build
-index 91a0aa64c6..620cc594b2 100644
+index 147097c652..b9b673c271 100644
 --- a/meson.build
 +++ b/meson.build
-@@ -1922,6 +1922,8 @@ endif
+@@ -2129,6 +2129,8 @@ endif
  
  has_gettid = cc.has_function('gettid')
  
@@ -51,22 +52,22 @@ index 91a0aa64c6..620cc594b2 100644
  # libselinux
  selinux = dependency('libselinux',
                       required: get_option('selinux'),
-@@ -4023,6 +4025,9 @@ if have_tools
-                dependencies: [blockdev, qemuutil, gnutls, selinux],
+@@ -4344,6 +4346,9 @@ if have_tools
+                dependencies: [blockdev, qemuutil, selinux],
                 install: true)
  
 +  vma = executable('vma', files('vma.c', 'vma-reader.c') + genh,
-+                   dependencies: [authz, block, crypto, io, qom], install: true)
++                   dependencies: [authz, block, crypto, io, qemuutil, qom], install: true)
 +
    subdir('storage-daemon')
  
    foreach exe: [ 'qemu-img', 'qemu-io', 'qemu-nbd', 'qemu-storage-daemon']
 diff --git a/vma-reader.c b/vma-reader.c
 new file mode 100644
-index 0000000000..d0b6721812
+index 0000000000..bb65ad313c
 --- /dev/null
 +++ b/vma-reader.c
-@@ -0,0 +1,870 @@
+@@ -0,0 +1,867 @@
 +/*
 + * VMA: Virtual Machine Archive
 + *
@@ -381,7 +382,6 @@ index 0000000000..d0b6721812
 +    }
 +
 +
-+    int count = 0;
 +    for (i = 1; i < 256; i++) {
 +        VmaDeviceInfoHeader *dih = &h->dev_info[i];
 +        uint32_t devname_ptr = GUINT32_FROM_BE(dih->devname_ptr);
@@ -389,7 +389,6 @@ index 0000000000..d0b6721812
 +        const char *devname =  get_header_str(vmar, devname_ptr);
 +
 +        if (size && devname) {
-+            count++;
 +            vmar->devinfo[i].size = size;
 +            vmar->devinfo[i].devname = devname;
 +
@@ -884,8 +883,7 @@ index 0000000000..d0b6721812
 +
 +            int64_t cluster_num, end;
 +
-+            end = (vmar->devinfo[i].size + VMA_CLUSTER_SIZE - 1) /
-+                VMA_CLUSTER_SIZE;
++            end = DIV_ROUND_UP(vmar->devinfo[i].size, VMA_CLUSTER_SIZE);
 +
 +            for (cluster_num = 0; cluster_num < end; cluster_num++) {
 +                if (!vma_reader_get_bitmap(rstate, cluster_num)) {
@@ -939,10 +937,10 @@ index 0000000000..d0b6721812
 +
 diff --git a/vma-writer.c b/vma-writer.c
 new file mode 100644
-index 0000000000..126b296647
+index 0000000000..3f489092df
 --- /dev/null
 +++ b/vma-writer.c
-@@ -0,0 +1,818 @@
+@@ -0,0 +1,816 @@
 +/*
 + * VMA: Virtual Machine Archive
 + *
@@ -1136,8 +1134,7 @@ index 0000000000..126b296647
 +    vmaw->stream_info[n].devname = g_strdup(devname);
 +    vmaw->stream_info[n].size = size;
 +
-+    vmaw->stream_info[n].cluster_count = (size + VMA_CLUSTER_SIZE - 1) /
-+        VMA_CLUSTER_SIZE;
++    vmaw->stream_info[n].cluster_count = DIV_ROUND_UP(size, VMA_CLUSTER_SIZE);
 +
 +    vmaw->stream_count = n;
 +
@@ -1517,17 +1514,16 @@ index 0000000000..126b296647
 +    int i;
 +
 +    g_assert(vmaw != NULL);
++    g_assert(status != NULL);
 +
-+    if (status) {
-+        status->status = vmaw->status;
-+        g_strlcpy(status->errmsg, vmaw->errmsg, sizeof(status->errmsg));
-+        for (i = 0; i <= 255; i++) {
-+            status->stream_info[i] = vmaw->stream_info[i];
-+        }
-+
-+        uuid_unparse_lower(vmaw->uuid, status->uuid_str);
++    status->status = vmaw->status;
++    g_strlcpy(status->errmsg, vmaw->errmsg, sizeof(status->errmsg));
++    for (i = 0; i <= 255; i++) {
++        status->stream_info[i] = vmaw->stream_info[i];
 +    }
 +
++    uuid_unparse_lower(vmaw->uuid, status->uuid_str);
++
 +    status->closed = vmaw->closed;
 +
 +    return vmaw->status;
@@ -1763,10 +1759,10 @@ index 0000000000..126b296647
 +}
 diff --git a/vma.c b/vma.c
 new file mode 100644
-index 0000000000..bb715e9061
+index 0000000000..8d4b4be414
 --- /dev/null
 +++ b/vma.c
-@@ -0,0 +1,901 @@
+@@ -0,0 +1,941 @@
 +/*
 + * VMA: Virtual Machine Archive
 + *
@@ -1798,8 +1794,8 @@ index 0000000000..bb715e9061
 +        "usage: vma command [command options]\n"
 +        "\n"
 +        "vma list <filename>\n"
-+        "vma config <filename> [-c config]\n"
-+        "vma create <filename> [-c config] pathname ...\n"
++        "vma config <filename> [-c <config>]\n"
++        "vma create <filename> [-c <config>] [-d format=<format>:<device name>=<path> [-d ...]]\n"
 +        "vma extract <filename> [-d <drive-list>] [-r <fifo>] <targetdir>\n"
 +        "vma verify <filename> [-v]\n"
 +        ;
@@ -2390,12 +2386,14 @@ index 0000000000..bb715e9061
 +{
 +    int c;
 +    int verbose = 0;
++    bool expect_format = true;
 +    const char *archivename;
 +    GList *backup_coroutines = NULL;
 +    GList *config_files = NULL;
++    GList *disk_infos = NULL;
 +
 +    for (;;) {
-+        c = getopt(argc, argv, "hvc:");
++        c = getopt(argc, argv, "hvc:d:");
 +        if (c == -1) {
 +            break;
 +        }
@@ -2407,6 +2405,9 @@ index 0000000000..bb715e9061
 +        case 'c':
 +            config_files = g_list_append(config_files, optarg);
 +            break;
++        case 'd':
++            disk_infos = g_list_append(disk_infos, optarg);
++            break;
 +        case 'v':
 +            verbose = 1;
 +            break;
@@ -2452,16 +2453,48 @@ index 0000000000..bb715e9061
 +        l = g_list_next(l);
 +    }
 +
-+    int devcount = 0;
++    /*
++     * Don't allow mixing new and old way to specifiy disks.
++     * TODO PVE 9 drop old way and always require format.
++     */
++    if (optind < argc && g_list_first(disk_infos)) {
++        unlink(archivename);
++        g_error("Unexpected extra argument - specify all devices via '-d'");
++    }
++
 +    while (optind < argc) {
-+        const char *path = argv[optind++];
++        expect_format = false;
++        disk_infos = g_list_append(disk_infos, argv[optind++]);
++    }
++
++    int devcount = 0;
++    GList *disk_l = disk_infos;
++    while (disk_l && disk_l->data) {
++        char *disk_info = disk_l->data;
++        const char *path = NULL;
 +        char *devname = NULL;
-+        path = extract_devname(path, &devname, devcount++);
++        char *format = NULL;
++        QDict *options = qdict_new();
++
++        if (try_parse_option(&disk_info, "format", &format, disk_info)) {
++            qdict_put_str(options, "driver", format);
++        } else {
++            if (expect_format) {
++                unlink(archivename);
++                g_error("No format specified for device: '%s'", disk_info);
++            } else {
++                g_warning("Specifying a device without a format is deprecated"
++                          " - use '-d format=<format>:%s'",
++                          disk_info);
++            }
++        }
++
++        path = extract_devname(disk_info, &devname, devcount++);
 +
 +        Error *errp = NULL;
 +        BlockBackend *target;
 +
-+        target = blk_new_open(path, NULL, NULL, 0, &errp);
++        target = blk_new_open(path, NULL, options, 0, &errp);
 +        if (!target) {
 +            unlink(archivename);
 +            g_error("bdrv_open '%s' failed - %s", path, error_get_pretty(errp));
@@ -2483,6 +2516,8 @@ index 0000000000..bb715e9061
 +        // 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);
++
++        disk_l = g_list_next(disk_l);
 +    }
 +
 +    VmaStatus vmastat;
@@ -2564,6 +2599,7 @@ index 0000000000..bb715e9061
 +
 +    g_list_free(backup_coroutines);
 +    g_list_free(config_files);
++    g_list_free(disk_infos);
 +    vma_writer_destroy(vmaw);
 +    return 0;
 +}

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

@@ -199,7 +199,7 @@ index 0000000000..e46abf1070
 +    return bs;
 +}
 diff --git a/block/backup.c b/block/backup.c
-index 270957c0cd..16d611c4ca 100644
+index 2e38b30d67..fe69723ada 100644
 --- a/block/backup.c
 +++ b/block/backup.c
 @@ -29,28 +29,6 @@
@@ -231,7 +231,7 @@ index 270957c0cd..16d611c4ca 100644
  static const BlockJobDriver backup_job_driver;
  
  static void backup_cleanup_sync_bitmap(BackupBlockJob *job, int ret)
-@@ -461,6 +439,14 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
+@@ -462,6 +440,14 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
      }
  
      cluster_size = block_copy_cluster_size(bcs);
@@ -247,7 +247,7 @@ index 270957c0cd..16d611c4ca 100644
      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 b245daa98e..e99914eaa4 100644
+index 652c8cbdb7..e1cf5a2e65 100644
 --- a/block/meson.build
 +++ b/block/meson.build
 @@ -4,6 +4,7 @@ block_ss.add(files(
@@ -259,7 +259,7 @@ index b245daa98e..e99914eaa4 100644
    'blklogwrites.c',
    'blkverify.c',
 diff --git a/include/block/block_int-common.h b/include/block/block_int-common.h
-index 761276127e..b3e6697613 100644
+index ebb4e56a50..e717a74e5f 100644
 --- a/include/block/block_int-common.h
 +++ b/include/block/block_int-common.h
 @@ -26,6 +26,7 @@

debian/patches/pve/0030-PVE-Backup-Proxmox-backup-patches-for-QEMU.patch

@@ -94,21 +94,21 @@ Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
  monitor/hmp-cmds.c             |   72 +++
  proxmox-backup-client.c        |  146 +++++
  proxmox-backup-client.h        |   60 ++
- pve-backup.c                   | 1098 ++++++++++++++++++++++++++++++++
+ pve-backup.c                   | 1090 ++++++++++++++++++++++++++++++++
  qapi/block-core.json           |  233 +++++++
  qapi/common.json               |   14 +
  qapi/machine.json              |   16 +-
- 14 files changed, 1717 insertions(+), 14 deletions(-)
+ 14 files changed, 1709 insertions(+), 14 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 e99914eaa4..6bba803f94 100644
+index e1cf5a2e65..2367e1ac1b 100644
 --- a/block/meson.build
 +++ b/block/meson.build
 @@ -44,6 +44,11 @@ block_ss.add(files(
- ), zstd, zlib, gnutls)
+ ), zstd, zlib)
  
  block_ss.add(files('../vma-writer.c'), libuuid)
 +block_ss.add(files(
@@ -120,10 +120,10 @@ index e99914eaa4..6bba803f94 100644
  system_ss.add(when: 'CONFIG_TCG', if_true: files('blkreplay.c'))
  system_ss.add(files('block-ram-registrar.c'))
 diff --git a/block/monitor/block-hmp-cmds.c b/block/monitor/block-hmp-cmds.c
-index d954bec6f1..5000c084c5 100644
+index bdf2eb50b6..439a7a14c8 100644
 --- a/block/monitor/block-hmp-cmds.c
 +++ b/block/monitor/block-hmp-cmds.c
-@@ -1008,3 +1008,42 @@ void hmp_change_medium(Monitor *mon, const char *device, const char *target,
+@@ -1009,3 +1009,42 @@ void hmp_change_medium(Monitor *mon, const char *device, const char *target,
      qmp_blockdev_change_medium(device, NULL, target, arg, true, force,
                                 !!read_only, read_only_mode, errp);
  }
@@ -167,7 +167,7 @@ index d954bec6f1..5000c084c5 100644
 +    hmp_handle_error(mon, error);
 +}
 diff --git a/blockdev.c b/blockdev.c
-index d27d8c38ec..5e5dbc1da9 100644
+index 79d47b1920..3f67eb413d 100644
 --- a/blockdev.c
 +++ b/blockdev.c
 @@ -37,6 +37,7 @@
@@ -179,10 +179,10 @@ index d27d8c38ec..5e5dbc1da9 100644
  #include "monitor/monitor.h"
  #include "qemu/error-report.h"
 diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx
-index d5ab880492..6c97248d1b 100644
+index d1a7b99add..af588145ff 100644
 --- a/hmp-commands-info.hx
 +++ b/hmp-commands-info.hx
-@@ -471,6 +471,20 @@ SRST
+@@ -458,6 +458,20 @@ SRST
      Show the current VM UUID.
  ERST
  
@@ -204,7 +204,7 @@ index d5ab880492..6c97248d1b 100644
      {
          .name       = "usernet",
 diff --git a/hmp-commands.hx b/hmp-commands.hx
-index 7506de251c..d5f9c28194 100644
+index 0c7c6f2c16..bf8315f226 100644
 --- a/hmp-commands.hx
 +++ b/hmp-commands.hx
 @@ -101,6 +101,35 @@ ERST
@@ -244,7 +244,7 @@ index 7506de251c..d5f9c28194 100644
  
      {
 diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h
-index 7a7def7530..cba7afe70c 100644
+index 2596cc2426..9dda91d65a 100644
 --- a/include/monitor/hmp.h
 +++ b/include/monitor/hmp.h
 @@ -32,6 +32,7 @@ void hmp_info_savevm(Monitor *mon, const QDict *qdict);
@@ -255,7 +255,7 @@ index 7a7def7530..cba7afe70c 100644
  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);
-@@ -84,6 +85,8 @@ void hmp_change_vnc(Monitor *mon, const char *device, const char *target,
+@@ -82,6 +83,8 @@ void hmp_change_vnc(Monitor *mon, const char *device, const char *target,
  void hmp_change_medium(Monitor *mon, const char *device, const char *target,
                         const char *arg, const char *read_only, bool force,
                         Error **errp);
@@ -265,10 +265,10 @@ index 7a7def7530..cba7afe70c 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 620cc594b2..d16b97cf3c 100644
+index b9b673c271..f6fb9b4fd8 100644
 --- a/meson.build
 +++ b/meson.build
-@@ -1923,6 +1923,7 @@ endif
+@@ -2130,6 +2130,7 @@ endif
  has_gettid = cc.has_function('gettid')
  
  libuuid = cc.find_library('uuid', required: true)
@@ -277,18 +277,18 @@ index 620cc594b2..d16b97cf3c 100644
  # libselinux
  selinux = dependency('libselinux',
 diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c
-index ef4634e5c1..6e25279f42 100644
+index 874084565f..bedeb81f8c 100644
 --- a/monitor/hmp-cmds.c
 +++ b/monitor/hmp-cmds.c
-@@ -21,6 +21,7 @@
+@@ -22,6 +22,7 @@
  #include "qemu/help_option.h"
  #include "monitor/monitor-internal.h"
  #include "qapi/error.h"
 +#include "qapi/qapi-commands-block-core.h"
  #include "qapi/qapi-commands-control.h"
+ #include "qapi/qapi-commands-machine.h"
  #include "qapi/qapi-commands-migration.h"
- #include "qapi/qapi-commands-misc.h"
-@@ -144,6 +145,77 @@ void hmp_sync_profile(Monitor *mon, const QDict *qdict)
+@@ -119,6 +120,77 @@ void hmp_sync_profile(Monitor *mon, const QDict *qdict)
      }
  }
  
@@ -586,10 +586,10 @@ index 0000000000..8cbf645b2c
 +#endif /* PROXMOX_BACKUP_CLIENT_H */
 diff --git a/pve-backup.c b/pve-backup.c
 new file mode 100644
-index 0000000000..9c13a92623
+index 0000000000..fea0152de0
 --- /dev/null
 +++ b/pve-backup.c
-@@ -0,0 +1,1098 @@
+@@ -0,0 +1,1090 @@
 +#include "proxmox-backup-client.h"
 +#include "vma.h"
 +
@@ -626,7 +626,6 @@ index 0000000000..9c13a92623
 + * ---end-bad-example--
 + *
 + * ==> Always use CoMutext inside coroutines.
-+ * ==> Never acquire/release AioContext withing coroutines (because that use QemuRecMutex)
 + *
 + */
 +
@@ -679,7 +678,6 @@ index 0000000000..9c13a92623
 +    uint64_t block_size;
 +    uint8_t dev_id;
 +    int completed_ret; // INT_MAX if not completed
-+    char targetfile[PATH_MAX];
 +    BdrvDirtyBitmap *bitmap;
 +    BlockDriverState *target;
 +    BlockJob *job;
@@ -1078,8 +1076,7 @@ index 0000000000..9c13a92623
 +}
 +
 +/*
-+ * backup_job_create can *not* be run from a coroutine (and requires an
-+ * acquired AioContext), so this can't either.
++ * backup_job_create can *not* be run from a coroutine, so this can't either.
 + * The caller is responsible that backup_mutex is held nonetheless.
 + */
 +static void create_backup_jobs_bh(void *opaque) {
@@ -1197,7 +1194,7 @@ index 0000000000..9c13a92623
 +            }
 +            BlockDriverState *bs = blk_bs(blk);
 +            if (!bdrv_co_is_inserted(bs)) {
-+                error_setg(errp, QERR_DEVICE_HAS_NO_MEDIUM, *d);
++                error_setg(errp, "Device '%s' has no medium", *d);
 +                goto err;
 +            }
 +            PVEBackupDevInfo *di = g_new0(PVEBackupDevInfo, 1);
@@ -1443,9 +1440,7 @@ index 0000000000..9c13a92623
 +    } else if (format == BACKUP_FORMAT_VMA) {
 +        vmaw = vma_writer_create(backup_file, uuid, &local_err);
 +        if (!vmaw) {
-+            if (local_err) {
-+                error_propagate(errp, local_err);
-+            }
++            error_propagate(errp, local_err);
 +            goto err_mutex;
 +        }
 +
@@ -1573,9 +1568,6 @@ index 0000000000..9c13a92623
 +            bdrv_co_unref(di->target);
 +        }
 +
-+        if (di->targetfile[0]) {
-+            unlink(di->targetfile);
-+        }
 +        g_free(di);
 +    }
 +    g_list_free(di_list);
@@ -1689,7 +1681,7 @@ index 0000000000..9c13a92623
 +    return ret;
 +}
 diff --git a/qapi/block-core.json b/qapi/block-core.json
-index f7c2b63c5d..e49c7b5bc9 100644
+index 321d1fd0e1..68caf30084 100644
 --- a/qapi/block-core.json
 +++ b/qapi/block-core.json
 @@ -851,6 +851,239 @@
@@ -1831,7 +1823,7 @@ index f7c2b63c5d..e49c7b5bc9 100644
 +#
 +# Cancel the current executing backup process.
 +#
-+# Notes: This command succeeds even if there is no backup process running.
++# .. note:: This command succeeds even if there is no backup process running.
 +#
 +##
 +{ 'command': 'backup-cancel', 'coroutine': true }
@@ -1933,10 +1925,10 @@ index f7c2b63c5d..e49c7b5bc9 100644
  # @BlockDeviceTimedStats:
  #
 diff --git a/qapi/common.json b/qapi/common.json
-index 7558ce5430..6e3d800373 100644
+index 6ffc7a3789..9c6c671ece 100644
 --- a/qapi/common.json
 +++ b/qapi/common.json
-@@ -200,3 +200,17 @@
+@@ -212,3 +212,17 @@
  ##
  { 'struct': 'HumanReadableText',
    'data': { 'human-readable-text': 'str' } }
@@ -1950,12 +1942,12 @@ index 7558ce5430..6e3d800373 100644
 +#
 +# Since: 0.14.0
 +#
-+# Notes: If no UUID was specified for the guest, a null UUID is
++# .. note:: If no UUID was specified for the guest, a null UUID is
 +#     returned.
 +##
 +{ 'struct': 'UuidInfo', 'data': {'UUID': 'str'} }
 diff --git a/qapi/machine.json b/qapi/machine.json
-index 1d69bffaa0..731d8d2f60 100644
+index 12cfd3f260..a8abdb42a3 100644
 --- a/qapi/machine.json
 +++ b/qapi/machine.json
 @@ -4,6 +4,8 @@
@@ -1967,7 +1959,7 @@ index 1d69bffaa0..731d8d2f60 100644
  ##
  # = Machines
  ##
-@@ -237,20 +239,6 @@
+@@ -302,20 +304,6 @@
  ##
  { 'command': 'query-target', 'returns': 'TargetInfo' }
  
@@ -1980,8 +1972,8 @@ index 1d69bffaa0..731d8d2f60 100644
 -#
 -# Since: 0.14
 -#
--# Notes: If no UUID was specified for the guest, a null UUID is
--#     returned.
+-# .. note:: If no UUID was specified for the guest, the nil UUID (all
+-#    zeroes) is returned.
 -##
 -{ 'struct': 'UuidInfo', 'data': {'UUID': 'str'} }
 -

debian/patches/pve/0031-PVE-Backup-pbs-restore-new-command-to-restore-from-p.patch

@@ -14,15 +14,15 @@ Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
  create mode 100644 pbs-restore.c
 
 diff --git a/meson.build b/meson.build
-index d16b97cf3c..6de51c34cb 100644
+index f6fb9b4fd8..f666d0f028 100644
 --- a/meson.build
 +++ b/meson.build
-@@ -4029,6 +4029,10 @@ if have_tools
+@@ -4350,6 +4350,10 @@ if have_tools
    vma = executable('vma', files('vma.c', 'vma-reader.c') + genh,
-                    dependencies: [authz, block, crypto, io, qom], install: true)
+                    dependencies: [authz, block, crypto, io, qemuutil, qom], install: true)
  
 +  pbs_restore = executable('pbs-restore', files('pbs-restore.c') + genh,
-+                  dependencies: [authz, block, crypto, io, qom,
++                  dependencies: [authz, block, crypto, io, qemuutil, qom,
 +                    libproxmox_backup_qemu], install: true)
 +
    subdir('storage-daemon')

debian/patches/pve/0032-PVE-Add-PBS-block-driver-to-map-backup-archives-into.patch

@@ -15,15 +15,15 @@ Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
 Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
 ---
  block/meson.build    |   2 +
- block/pbs.c          | 307 +++++++++++++++++++++++++++++++++++++++++++
+ block/pbs.c          | 306 +++++++++++++++++++++++++++++++++++++++++++
  meson.build          |   2 +-
  qapi/block-core.json |  29 ++++
  qapi/pragma.json     |   1 +
- 5 files changed, 340 insertions(+), 1 deletion(-)
+ 5 files changed, 339 insertions(+), 1 deletion(-)
  create mode 100644 block/pbs.c
 
 diff --git a/block/meson.build b/block/meson.build
-index 6bba803f94..1945e04eeb 100644
+index 2367e1ac1b..e178047ec9 100644
 --- a/block/meson.build
 +++ b/block/meson.build
 @@ -49,6 +49,8 @@ block_ss.add(files(
@@ -37,10 +37,10 @@ index 6bba803f94..1945e04eeb 100644
  system_ss.add(files('block-ram-registrar.c'))
 diff --git a/block/pbs.c b/block/pbs.c
 new file mode 100644
-index 0000000000..dd72356bd3
+index 0000000000..2d5e28ce8f
 --- /dev/null
 +++ b/block/pbs.c
-@@ -0,0 +1,307 @@
+@@ -0,0 +1,306 @@
 +/*
 + * Proxmox Backup Server read-only block driver
 + */
@@ -68,7 +68,7 @@ index 0000000000..dd72356bd3
 +
 +typedef struct {
 +    ProxmoxRestoreHandle *conn;
-+    char aid;
++    uint8_t aid;
 +    int64_t length;
 +
 +    char *repository;
@@ -201,12 +201,18 @@ index 0000000000..dd72356bd3
 +    }
 +
 +    /* acquire handle and length */
-+    s->aid = proxmox_restore_open_image(s->conn, s->archive, &pbs_error);
-+    if (s->aid < 0) {
++    ret = proxmox_restore_open_image(s->conn, s->archive, &pbs_error);
++    if (ret < 0) {
 +        if (pbs_error && errp) error_setg(errp, "PBS open_image failed: %s", pbs_error);
 +        if (pbs_error) proxmox_backup_free_error(pbs_error);
 +        return -ENODEV;
 +    }
++    if (ret > UINT8_MAX) {
++        error_setg(errp, "PBS open_image returned an ID larger than %u", UINT8_MAX);
++        return -ENODEV;
++    }
++    s->aid = ret;
++
 +    s->length = proxmox_restore_get_image_length(s->conn, s->aid, &pbs_error);
 +    if (s->length < 0) {
 +        if (pbs_error && errp) error_setg(errp, "PBS get_image_length failed: %s", pbs_error);
@@ -217,12 +223,6 @@ index 0000000000..dd72356bd3
 +    return 0;
 +}
 +
-+static int pbs_file_open(BlockDriverState *bs, QDict *options, int flags,
-+                         Error **errp)
-+{
-+    return pbs_open(bs, options, flags, errp);
-+}
-+
 +static void pbs_close(BlockDriverState *bs) {
 +    BDRVPBSState *s = bs->opaque;
 +    g_free(s->repository);
@@ -330,7 +330,6 @@ index 0000000000..dd72356bd3
 +
 +    .bdrv_parse_filename    = pbs_parse_filename,
 +
-+    .bdrv_file_open         = pbs_file_open,
 +    .bdrv_open              = pbs_open,
 +    .bdrv_close             = pbs_close,
 +    .bdrv_co_getlength      = pbs_co_getlength,
@@ -349,23 +348,23 @@ index 0000000000..dd72356bd3
 +
 +block_init(bdrv_pbs_init);
 diff --git a/meson.build b/meson.build
-index 6de51c34cb..3bc039f60f 100644
+index f666d0f028..4c85736ec3 100644
 --- a/meson.build
 +++ b/meson.build
-@@ -4477,7 +4477,7 @@ summary_info += {'bzip2 support':     libbzip2}
- summary_info += {'lzfse support':     liblzfse}
- summary_info += {'zstd support':      zstd}
+@@ -4815,7 +4815,7 @@ summary_info += {'Query Processing Library support': qpl}
+ summary_info += {'UADK Library support': uadk}
+ summary_info += {'qatzip support':    qatzip}
  summary_info += {'NUMA host support': numa}
 -summary_info += {'capstone':          capstone}
 +summary_info += {'PBS bdrv support':  config_host.has_key('CONFIG_PBS_BDRV')}
  summary_info += {'libpmem support':   libpmem}
  summary_info += {'libdaxctl support': libdaxctl}
- summary_info += {'libudev':           libudev}
+ summary_info += {'libcbor support':   libcbor}
 diff --git a/qapi/block-core.json b/qapi/block-core.json
-index e49c7b5bc9..fc32ff9957 100644
+index 68caf30084..d45e8975a7 100644
 --- a/qapi/block-core.json
 +++ b/qapi/block-core.json
-@@ -3457,6 +3457,7 @@
+@@ -3466,6 +3466,7 @@
              'parallels', 'preallocate', 'qcow', 'qcow2', 'qed', 'quorum',
              'raw', 'rbd',
              { 'name': 'replication', 'if': 'CONFIG_REPLICATION' },
@@ -373,7 +372,7 @@ index e49c7b5bc9..fc32ff9957 100644
              'ssh', 'throttle', 'vdi', 'vhdx',
              { 'name': 'virtio-blk-vfio-pci', 'if': 'CONFIG_BLKIO' },
              { 'name': 'virtio-blk-vhost-user', 'if': 'CONFIG_BLKIO' },
-@@ -3543,6 +3544,33 @@
+@@ -3552,6 +3553,33 @@
  { 'struct': 'BlockdevOptionsNull',
    'data': { '*size': 'int', '*latency-ns': 'uint64', '*read-zeroes': 'bool' } }
  
@@ -407,7 +406,7 @@ index e49c7b5bc9..fc32ff9957 100644
  ##
  # @BlockdevOptionsNVMe:
  #
-@@ -4977,6 +5005,7 @@
+@@ -4993,6 +5021,7 @@
        'nfs':        'BlockdevOptionsNfs',
        'null-aio':   'BlockdevOptionsNull',
        'null-co':    'BlockdevOptionsNull',
@@ -416,10 +415,10 @@ index e49c7b5bc9..fc32ff9957 100644
        'nvme-io_uring': { 'type': 'BlockdevOptionsNvmeIoUring',
                           'if': 'CONFIG_BLKIO' },
 diff --git a/qapi/pragma.json b/qapi/pragma.json
-index be8fa304c5..7ff46bd128 100644
+index 6aaa9cb975..e9c595c4ba 100644
 --- a/qapi/pragma.json
 +++ b/qapi/pragma.json
-@@ -100,6 +100,7 @@
+@@ -91,6 +91,7 @@
          'BlockInfo',                # query-block
          'BlockdevAioOptions',       # blockdev-add, -blockdev
          'BlockdevDriver',           # blockdev-add, query-blockstats, ...

debian/patches/pve/0033-PVE-redirect-stderr-to-journal-when-daemonized.patch

@@ -14,10 +14,10 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  2 files changed, 7 insertions(+), 3 deletions(-)
 
 diff --git a/meson.build b/meson.build
-index 3bc039f60f..067e8956a7 100644
+index 4c85736ec3..57f666d722 100644
 --- a/meson.build
 +++ b/meson.build
-@@ -1923,6 +1923,7 @@ endif
+@@ -2130,6 +2130,7 @@ endif
  has_gettid = cc.has_function('gettid')
  
  libuuid = cc.find_library('uuid', required: true)
@@ -25,7 +25,7 @@ index 3bc039f60f..067e8956a7 100644
  libproxmox_backup_qemu = cc.find_library('proxmox_backup_qemu', required: true)
  
  # libselinux
-@@ -3530,7 +3531,7 @@ if have_block
+@@ -3744,7 +3745,7 @@ if have_block
    if host_os == 'windows'
      system_ss.add(files('os-win32.c'))
    else
@@ -35,7 +35,7 @@ index 3bc039f60f..067e8956a7 100644
  endif
  
 diff --git a/os-posix.c b/os-posix.c
-index a4284e2c07..197a2120fd 100644
+index 43f9a43f3f..a47e46d1c2 100644
 --- a/os-posix.c
 +++ b/os-posix.c
 @@ -29,6 +29,8 @@
@@ -47,7 +47,7 @@ index a4284e2c07..197a2120fd 100644
  
  #include "qemu/error-report.h"
  #include "qemu/log.h"
-@@ -302,9 +304,10 @@ void os_setup_post(void)
+@@ -306,9 +308,10 @@ void os_setup_post(void)
  
          dup2(fd, 0);
          dup2(fd, 1);

debian/patches/pve/0034-PVE-Migrate-dirty-bitmap-state-via-savevm.patch

@@ -26,46 +26,52 @@ Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
  create mode 100644 migration/pbs-state.c
 
 diff --git a/include/migration/misc.h b/include/migration/misc.h
-index c9e200f4eb..12c99ebc69 100644
+index 804eb23c06..c75b146ae6 100644
 --- a/include/migration/misc.h
 +++ b/include/migration/misc.h
-@@ -117,4 +117,7 @@ bool migration_in_bg_snapshot(void);
- /* migration/block-dirty-bitmap.c */
- void dirty_bitmap_mig_init(void);
+@@ -106,4 +106,7 @@ bool migration_incoming_postcopy_advised(void);
+ /* True if background snapshot is active */
+ bool migration_in_bg_snapshot(void);
  
 +/* migration/pbs-state.c */
 +void pbs_state_mig_init(void);
 +
  #endif
 diff --git a/migration/meson.build b/migration/meson.build
-index 800f12a60d..35a4306183 100644
+index 075b013971..eca57cb2a3 100644
 --- a/migration/meson.build
 +++ b/migration/meson.build
-@@ -7,7 +7,9 @@ migration_files = files(
-   'vmstate.c',
+@@ -8,6 +8,7 @@ migration_files = files(
    'qemu-file.c',
    'yank_functions.c',
-+  'pbs-state.c',
  )
 +system_ss.add(libproxmox_backup_qemu)
  
  system_ss.add(files(
    'block-dirty-bitmap.c',
+@@ -27,6 +28,7 @@ system_ss.add(files(
+   'multifd-zlib.c',
+   'multifd-zero-page.c',
+   'options.c',
++  'pbs-state.c',
+   'postcopy-ram.c',
+   'savevm.c',
+   'savevm-async.c',
 diff --git a/migration/migration.c b/migration/migration.c
-index 86bf76e925..b8d7e471a4 100644
+index 8c5bd0a75c..491d9aa017 100644
 --- a/migration/migration.c
 +++ b/migration/migration.c
-@@ -239,6 +239,7 @@ void migration_object_init(void)
-     blk_mig_init();
-     ram_mig_init();
-     dirty_bitmap_mig_init();
+@@ -266,6 +266,7 @@ void migration_object_init(void)
+ 
+     /* Initialize cpu throttle timers */
+     cpu_throttle_init();
 +    pbs_state_mig_init();
  }
  
  typedef struct {
 diff --git a/migration/pbs-state.c b/migration/pbs-state.c
 new file mode 100644
-index 0000000000..887e998b9e
+index 0000000000..a97187e4d7
 --- /dev/null
 +++ b/migration/pbs-state.c
 @@ -0,0 +1,104 @@
@@ -114,7 +120,7 @@ index 0000000000..887e998b9e
 +}
 +
 +/* serialize PBS state and send to target via f, called on source */
-+static int pbs_state_save_setup(QEMUFile *f, void *opaque)
++static int pbs_state_save_setup(QEMUFile *f, void *opaque, Error **errp)
 +{
 +    size_t buf_size;
 +    uint8_t *buf = proxmox_export_state(&buf_size);
@@ -174,10 +180,10 @@ index 0000000000..887e998b9e
 +                         NULL);
 +}
 diff --git a/pve-backup.c b/pve-backup.c
-index 9c13a92623..9d480a8eec 100644
+index fea0152de0..faa6a9b93c 100644
 --- a/pve-backup.c
 +++ b/pve-backup.c
-@@ -1091,6 +1091,7 @@ ProxmoxSupportStatus *qmp_query_proxmox_support(Error **errp)
+@@ -1083,6 +1083,7 @@ 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;
@@ -186,7 +192,7 @@ index 9c13a92623..9d480a8eec 100644
      ret->pbs_masterkey = true;
      ret->backup_max_workers = true;
 diff --git a/qapi/block-core.json b/qapi/block-core.json
-index fc32ff9957..f516d8e95a 100644
+index d45e8975a7..9795247c1f 100644
 --- a/qapi/block-core.json
 +++ b/qapi/block-core.json
 @@ -1004,6 +1004,11 @@

debian/patches/pve/0035-migration-block-dirty-bitmap-migrate-other-bitmaps-e.patch

@@ -15,18 +15,22 @@ 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(-)
+ migration/block-dirty-bitmap.c | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
 
 diff --git a/migration/block-dirty-bitmap.c b/migration/block-dirty-bitmap.c
-index 2708abf3d7..fb17c01308 100644
+index a7d55048c2..44078ea670 100644
 --- a/migration/block-dirty-bitmap.c
 +++ b/migration/block-dirty-bitmap.c
-@@ -540,7 +540,7 @@ static int add_bitmaps_to_list(DBMSaveState *s, BlockDriverState *bs,
+@@ -539,7 +539,11 @@ 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);
+         if (bdrv_dirty_bitmap_check(bitmap, BDRV_BITMAP_DEFAULT, errp)) {
 -            return -1;
++            if (errp != NULL) {
++                error_report_err(*errp);
++                *errp = NULL;
++            }
 +            continue;
          }
  

debian/patches/pve/0036-PVE-fall-back-to-open-iscsi-initiatorname.patch

@@ -21,7 +21,7 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 30 insertions(+)
 
 diff --git a/block/iscsi.c b/block/iscsi.c
-index 2ff14b7472..46f275fbf7 100644
+index 979bf90cb7..961714a4be 100644
 --- a/block/iscsi.c
 +++ b/block/iscsi.c
 @@ -1392,12 +1392,42 @@ static char *get_initiator_name(QemuOpts *opts)

debian/patches/pve/0037-PVE-block-stream-increase-chunk-size.patch

@@ -11,7 +11,7 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/block/stream.c b/block/stream.c
-index 7031eef12b..d2da83ae7c 100644
+index 9076203193..1d1c65f061 100644
 --- a/block/stream.c
 +++ b/block/stream.c
 @@ -27,7 +27,7 @@ enum {

debian/patches/pve/0038-block-add-alloc-track-driver.patch

@@ -42,7 +42,7 @@ Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
 
 diff --git a/block/alloc-track.c b/block/alloc-track.c
 new file mode 100644
-index 0000000000..b9f8ea9137
+index 0000000000..b4a9851144
 --- /dev/null
 +++ b/block/alloc-track.c
 @@ -0,0 +1,366 @@
@@ -386,7 +386,7 @@ index 0000000000..b9f8ea9137
 +    .format_name                      = "alloc-track",
 +    .instance_size                    = sizeof(BDRVAllocTrackState),
 +
-+    .bdrv_file_open                   = track_open,
++    .bdrv_open                        = track_open,
 +    .bdrv_close                       = track_close,
 +    .bdrv_co_getlength                = track_co_getlength,
 +    .bdrv_child_perm                  = track_child_perm,
@@ -413,7 +413,7 @@ index 0000000000..b9f8ea9137
 +
 +block_init(bdrv_alloc_track_init);
 diff --git a/block/meson.build b/block/meson.build
-index 1945e04eeb..2873f3a25a 100644
+index e178047ec9..7ef7250d31 100644
 --- a/block/meson.build
 +++ b/block/meson.build
 @@ -2,6 +2,7 @@ block_ss.add(genh)
@@ -425,7 +425,7 @@ index 1945e04eeb..2873f3a25a 100644
    'backup.c',
    'backup-dump.c',
 diff --git a/block/stream.c b/block/stream.c
-index d2da83ae7c..f941cba14e 100644
+index 1d1c65f061..d499c8883f 100644
 --- a/block/stream.c
 +++ b/block/stream.c
 @@ -120,6 +120,40 @@ static int stream_prepare(Job *job)

debian/patches/pve/0039-Revert-block-rbd-workaround-for-ceph-issue-53784.patch

@@ -13,7 +13,7 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 2 insertions(+), 40 deletions(-)
 
 diff --git a/block/rbd.c b/block/rbd.c
-index 63f60d41be..367db42dce 100644
+index 728bce3b1e..6c9a8e0add 100644
 --- a/block/rbd.c
 +++ b/block/rbd.c
 @@ -1515,7 +1515,6 @@ static int coroutine_fn qemu_rbd_co_block_status(BlockDriverState *bs,

debian/patches/pve/0040-Revert-block-rbd-fix-handling-of-holes-in-.bdrv_co_b.patch

@@ -14,7 +14,7 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 5 insertions(+), 5 deletions(-)
 
 diff --git a/block/rbd.c b/block/rbd.c
-index 367db42dce..347b121626 100644
+index 6c9a8e0add..6f5fe90f3a 100644
 --- a/block/rbd.c
 +++ b/block/rbd.c
 @@ -1474,11 +1474,11 @@ static int qemu_rbd_diff_iterate_cb(uint64_t offs, size_t len,

debian/patches/pve/0041-Revert-block-rbd-implement-bdrv_co_block_status.patch

@@ -24,7 +24,7 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
  1 file changed, 112 deletions(-)
 
 diff --git a/block/rbd.c b/block/rbd.c
-index 347b121626..e61b359b97 100644
+index 6f5fe90f3a..24e820d056 100644
 --- a/block/rbd.c
 +++ b/block/rbd.c
 @@ -108,12 +108,6 @@ typedef struct RBDTask {
@@ -152,7 +152,7 @@ index 347b121626..e61b359b97 100644
  static int64_t coroutine_fn qemu_rbd_co_getlength(BlockDriverState *bs)
  {
      BDRVRBDState *s = bs->opaque;
-@@ -1800,7 +1689,6 @@ static BlockDriver bdrv_rbd = {
+@@ -1801,7 +1690,6 @@ static BlockDriver bdrv_rbd = {
  #ifdef LIBRBD_SUPPORTS_WRITE_ZEROES
      .bdrv_co_pwrite_zeroes  = qemu_rbd_co_pwrite_zeroes,
  #endif

debian/patches/pve/0042-alloc-track-error-out-when-auto-remove-is-not-set.patch

@@ -17,7 +17,7 @@ Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
  1 file changed, 5 insertions(+), 2 deletions(-)
 
 diff --git a/block/alloc-track.c b/block/alloc-track.c
-index b9f8ea9137..f3ed2935c4 100644
+index b4a9851144..fc7d58a5d0 100644
 --- a/block/alloc-track.c
 +++ b/block/alloc-track.c
 @@ -34,7 +34,6 @@ typedef struct {

debian/patches/pve/0043-alloc-track-avoid-seemingly-superfluous-child-permis.patch

@@ -20,7 +20,7 @@ Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
  1 file changed, 26 deletions(-)
 
 diff --git a/block/alloc-track.c b/block/alloc-track.c
-index f3ed2935c4..29138dcc49 100644
+index fc7d58a5d0..b56425b7f0 100644
 --- a/block/alloc-track.c
 +++ b/block/alloc-track.c
 @@ -25,15 +25,9 @@

debian/patches/pve/0044-PVE-backup-add-fleecing-option.patch

@@ -63,15 +63,15 @@ Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
 Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
  block/monitor/block-hmp-cmds.c |   1 +
- pve-backup.c                   | 143 ++++++++++++++++++++++++++++++++-
+ pve-backup.c                   | 135 ++++++++++++++++++++++++++++++++-
  qapi/block-core.json           |  10 ++-
- 3 files changed, 150 insertions(+), 4 deletions(-)
+ 3 files changed, 142 insertions(+), 4 deletions(-)
 
 diff --git a/block/monitor/block-hmp-cmds.c b/block/monitor/block-hmp-cmds.c
-index 5000c084c5..70b3de4c7e 100644
+index 439a7a14c8..d0e7771dcc 100644
 --- a/block/monitor/block-hmp-cmds.c
 +++ b/block/monitor/block-hmp-cmds.c
-@@ -1043,6 +1043,7 @@ void coroutine_fn hmp_backup(Monitor *mon, const QDict *qdict)
+@@ -1044,6 +1044,7 @@ void coroutine_fn hmp_backup(Monitor *mon, const QDict *qdict)
          NULL, NULL,
          devlist, qdict_haskey(qdict, "speed"), speed,
          false, 0, // BackupPerf max-workers
@@ -80,7 +80,7 @@ index 5000c084c5..70b3de4c7e 100644
  
      hmp_handle_error(mon, error);
 diff --git a/pve-backup.c b/pve-backup.c
-index 9d480a8eec..7cc1dd3724 100644
+index faa6a9b93c..4b0820c8a7 100644
 --- a/pve-backup.c
 +++ b/pve-backup.c
 @@ -7,9 +7,11 @@
@@ -95,7 +95,7 @@ index 9d480a8eec..7cc1dd3724 100644
  #include "qapi/qmp/qerror.h"
  #include "qemu/cutils.h"
  
-@@ -81,8 +83,15 @@ static void pvebackup_init(void)
+@@ -80,8 +82,15 @@ static void pvebackup_init(void)
  // initialize PVEBackupState at startup
  opts_init(pvebackup_init);
  
@@ -111,7 +111,7 @@ index 9d480a8eec..7cc1dd3724 100644
      size_t size;
      uint64_t block_size;
      uint8_t dev_id;
-@@ -355,6 +364,25 @@ static void pvebackup_complete_cb(void *opaque, int ret)
+@@ -353,6 +362,22 @@ static void pvebackup_complete_cb(void *opaque, int ret)
      PVEBackupDevInfo *di = opaque;
      di->completed_ret = ret;
  
@@ -121,9 +121,6 @@ index 9d480a8eec..7cc1dd3724 100644
 +     * - For snapshot_access, allows doing bdrv_unref() directly. Doing it via bdrv_co_unref() would
 +     *   just spawn a BH calling bdrv_unref().
 +     * - For cbw, draining would need to spawn a BH.
-+     *
-+     * Note that the AioContext lock is already acquired by our caller, i.e.
-+     * job_finalize_single_locked()
 +     */
 +    if (di->fleecing.snapshot_access) {
 +        bdrv_unref(di->fleecing.snapshot_access);
@@ -137,7 +134,7 @@ index 9d480a8eec..7cc1dd3724 100644
      /*
       * Needs to happen outside of coroutine, because it takes the graph write lock.
       */
-@@ -522,9 +550,82 @@ static void create_backup_jobs_bh(void *opaque) {
+@@ -519,9 +544,77 @@ static void create_backup_jobs_bh(void *opaque) {
          }
          bdrv_drained_begin(di->bs);
  
@@ -182,11 +179,6 @@ index 9d480a8eec..7cc1dd3724 100644
 +            qdict_put_str(snapshot_access_opts, "driver", "snapshot-access");
 +            qdict_put_str(snapshot_access_opts, "file", bdrv_get_node_name(di->fleecing.cbw));
 +
-+            /*
-+             * Holding the AioContext lock here would cause a deadlock, because bdrv_open_driver()
-+             * will aquire it a second time. But it's allowed to be held exactly once when polling
-+             * and that happens when the bdrv_refresh_total_sectors() call is made there.
-+             */
 +            di->fleecing.snapshot_access =
 +                bdrv_open(NULL, NULL, snapshot_access_opts, BDRV_O_RDWR | BDRV_O_UNMAP, &local_err);
 +            if (!di->fleecing.snapshot_access) {
@@ -222,7 +214,7 @@ index 9d480a8eec..7cc1dd3724 100644
              BLOCKDEV_ON_ERROR_REPORT, JOB_DEFAULT, pvebackup_complete_cb, di, backup_state.txn,
              &local_err);
  
-@@ -580,6 +681,14 @@ static void create_backup_jobs_bh(void *opaque) {
+@@ -577,6 +670,14 @@ static void create_backup_jobs_bh(void *opaque) {
      aio_co_enter(data->ctx, data->co);
  }
  
@@ -237,7 +229,7 @@ index 9d480a8eec..7cc1dd3724 100644
  /*
   * Returns a list of device infos, which needs to be freed by the caller. In
   * case of an error, errp will be set, but the returned value might still be a
-@@ -587,6 +696,7 @@ static void create_backup_jobs_bh(void *opaque) {
+@@ -584,6 +685,7 @@ static void create_backup_jobs_bh(void *opaque) {
   */
  static GList coroutine_fn GRAPH_RDLOCK *get_device_info(
      const char *devlist,
@@ -245,7 +237,7 @@ index 9d480a8eec..7cc1dd3724 100644
      Error **errp)
  {
      gchar **devs = NULL;
-@@ -610,6 +720,31 @@ static GList coroutine_fn GRAPH_RDLOCK *get_device_info(
+@@ -607,6 +709,31 @@ static GList coroutine_fn GRAPH_RDLOCK *get_device_info(
              }
              PVEBackupDevInfo *di = g_new0(PVEBackupDevInfo, 1);
              di->bs = bs;
@@ -260,7 +252,7 @@ index 9d480a8eec..7cc1dd3724 100644
 +                }
 +                BlockDriverState *fleecing_bs = blk_bs(fleecing_blk);
 +                if (!bdrv_co_is_inserted(fleecing_bs)) {
-+                    error_setg(errp, QERR_DEVICE_HAS_NO_MEDIUM, fleecing_devid);
++                    error_setg(errp, "Device '%s' has no medium", fleecing_devid);
 +                    goto err;
 +                }
 +                /*
@@ -277,7 +269,7 @@ index 9d480a8eec..7cc1dd3724 100644
              di_list = g_list_append(di_list, di);
              d++;
          }
-@@ -659,6 +794,7 @@ UuidInfo coroutine_fn *qmp_backup(
+@@ -656,6 +783,7 @@ UuidInfo coroutine_fn *qmp_backup(
      const char *devlist,
      bool has_speed, int64_t speed,
      bool has_max_workers, int64_t max_workers,
@@ -285,7 +277,7 @@ index 9d480a8eec..7cc1dd3724 100644
      Error **errp)
  {
      assert(qemu_in_coroutine());
-@@ -687,7 +823,7 @@ UuidInfo coroutine_fn *qmp_backup(
+@@ -684,7 +812,7 @@ UuidInfo coroutine_fn *qmp_backup(
      format = has_format ? format : BACKUP_FORMAT_VMA;
  
      bdrv_graph_co_rdlock();
@@ -294,7 +286,7 @@ index 9d480a8eec..7cc1dd3724 100644
      bdrv_graph_co_rdunlock();
      if (local_err) {
          error_propagate(errp, local_err);
-@@ -1095,5 +1231,6 @@ ProxmoxSupportStatus *qmp_query_proxmox_support(Error **errp)
+@@ -1087,5 +1215,6 @@ ProxmoxSupportStatus *qmp_query_proxmox_support(Error **errp)
      ret->query_bitmap_info = true;
      ret->pbs_masterkey = true;
      ret->backup_max_workers = true;
@@ -302,7 +294,7 @@ index 9d480a8eec..7cc1dd3724 100644
      return ret;
  }
 diff --git a/qapi/block-core.json b/qapi/block-core.json
-index 6e7ee87633..dc5f75cd39 100644
+index 9795247c1f..c581f1f238 100644
 --- a/qapi/block-core.json
 +++ b/qapi/block-core.json
 @@ -948,6 +948,10 @@

debian/patches/pve/0044-block-copy-before-write-fix-permission.patch

@@ -1,55 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
-Date: Thu, 11 Apr 2024 11:29:22 +0200
-Subject: [PATCH] block/copy-before-write: fix permission
-
-In case when source node does not have any parents, the condition still
-works as required: backup job do create the parent by
-
-  block_job_create -> block_job_add_bdrv -> bdrv_root_attach_child
-
-Still, in this case checking @perm variable doesn't work, as backup job
-creates the root blk with empty permissions (as it rely on CBW filter
-to require correct permissions and don't want to create extra
-conflicts).
-
-So, we should not check @perm.
-
-The hack may be dropped entirely when transactional insertion of
-filter (when we don't try to recalculate permissions in intermediate
-state, when filter does conflict with original parent of the source
-node) merged (old big series
-"[PATCH v5 00/45] Transactional block-graph modifying API"[1] and it's
-current in-flight part is "[PATCH v8 0/7] blockdev-replace"[2])
-
-[1] https://patchew.org/QEMU/20220330212902.590099-1-vsementsov@openvz.org/
-[2] https://patchew.org/QEMU/20231017184444.932733-1-vsementsov@yandex-team.ru/
-
-Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
-Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
-Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
----
- block/copy-before-write.c | 10 +++++++---
- 1 file changed, 7 insertions(+), 3 deletions(-)
-
-diff --git a/block/copy-before-write.c b/block/copy-before-write.c
-index 026fa9840f..5a9456d426 100644
---- a/block/copy-before-write.c
-+++ b/block/copy-before-write.c
-@@ -364,9 +364,13 @@ cbw_child_perm(BlockDriverState *bs, BdrvChild *c, BdrvChildRole role,
-                            perm, shared, nperm, nshared);
- 
-         if (!QLIST_EMPTY(&bs->parents)) {
--            if (perm & BLK_PERM_WRITE) {
--                *nperm = *nperm | BLK_PERM_CONSISTENT_READ;
--            }
-+            /*
-+             * Note, that source child may be shared with backup job. Backup job
-+             * does create own blk parent on copy-before-write node, so this
-+             * works even if source node does not have any parents before backup
-+             * start
-+             */
-+            *nperm = *nperm | BLK_PERM_CONSISTENT_READ;
-             *nshared &= ~(BLK_PERM_WRITE | BLK_PERM_RESIZE);
-         }
-     }

debian/patches/pve/0045-PVE-backup-improve-error-when-copy-before-write-fail.patch

@@ -21,7 +21,7 @@ Tested-by: Friedrich Weber <f.weber@proxmox.com>
  3 files changed, 22 insertions(+), 6 deletions(-)
 
 diff --git a/block/copy-before-write.c b/block/copy-before-write.c
-index bba58326d7..50cc4c7aae 100644
+index 81afeff1c7..fdf9cdc0cd 100644
 --- a/block/copy-before-write.c
 +++ b/block/copy-before-write.c
 @@ -27,6 +27,7 @@
@@ -32,7 +32,7 @@ index bba58326d7..50cc4c7aae 100644
  #include "qemu/cutils.h"
  #include "qapi/error.h"
  #include "block/block_int.h"
-@@ -74,7 +75,8 @@ typedef struct BDRVCopyBeforeWriteState {
+@@ -75,7 +76,8 @@ typedef struct BDRVCopyBeforeWriteState {
       * @snapshot_error is normally zero. But on first copy-before-write failure
       * when @on_cbw_error == ON_CBW_ERROR_BREAK_SNAPSHOT, @snapshot_error takes
       * value of this error (<0). After that all in-flight and further
@@ -42,7 +42,7 @@ index bba58326d7..50cc4c7aae 100644
       */
      int snapshot_error;
  } BDRVCopyBeforeWriteState;
-@@ -114,7 +116,7 @@ static coroutine_fn int cbw_do_copy_before_write(BlockDriverState *bs,
+@@ -115,7 +117,7 @@ static coroutine_fn int cbw_do_copy_before_write(BlockDriverState *bs,
          return 0;
      }
  
@@ -51,7 +51,7 @@ index bba58326d7..50cc4c7aae 100644
          return 0;
      }
  
-@@ -138,9 +140,7 @@ static coroutine_fn int cbw_do_copy_before_write(BlockDriverState *bs,
+@@ -139,9 +141,7 @@ static coroutine_fn int cbw_do_copy_before_write(BlockDriverState *bs,
      WITH_QEMU_LOCK_GUARD(&s->lock) {
          if (ret < 0) {
              assert(s->on_cbw_error == ON_CBW_ERROR_BREAK_SNAPSHOT);
@@ -62,7 +62,7 @@ index bba58326d7..50cc4c7aae 100644
          } else {
              bdrv_set_dirty_bitmap(s->done_bitmap, off, end - off);
          }
-@@ -214,7 +214,7 @@ cbw_snapshot_read_lock(BlockDriverState *bs, int64_t offset, int64_t bytes,
+@@ -215,7 +215,7 @@ cbw_snapshot_read_lock(BlockDriverState *bs, int64_t offset, int64_t bytes,
  
      QEMU_LOCK_GUARD(&s->lock);
  
@@ -71,7 +71,7 @@ index bba58326d7..50cc4c7aae 100644
          g_free(req);
          return NULL;
      }
-@@ -585,6 +585,12 @@ void bdrv_cbw_drop(BlockDriverState *bs)
+@@ -595,6 +595,12 @@ void bdrv_cbw_drop(BlockDriverState *bs)
      bdrv_unref(bs);
  }
  
@@ -85,7 +85,7 @@ index bba58326d7..50cc4c7aae 100644
  {
      bdrv_register(&bdrv_cbw_filter);
 diff --git a/block/copy-before-write.h b/block/copy-before-write.h
-index dc6cafe7fa..a27d2d7d9f 100644
+index 2a5d4ba693..969da3620f 100644
 --- a/block/copy-before-write.h
 +++ b/block/copy-before-write.h
 @@ -44,5 +44,6 @@ BlockDriverState *bdrv_cbw_append(BlockDriverState *source,
@@ -96,10 +96,10 @@ index dc6cafe7fa..a27d2d7d9f 100644
  
  #endif /* COPY_BEFORE_WRITE_H */
 diff --git a/pve-backup.c b/pve-backup.c
-index 7cc1dd3724..07709aa350 100644
+index 4b0820c8a7..81697d9bf9 100644
 --- a/pve-backup.c
 +++ b/pve-backup.c
-@@ -379,6 +379,15 @@ static void pvebackup_complete_cb(void *opaque, int ret)
+@@ -374,6 +374,15 @@ static void pvebackup_complete_cb(void *opaque, int ret)
          di->fleecing.snapshot_access = NULL;
      }
      if (di->fleecing.cbw) {

debian/patches/pve/0045-block-copy-before-write-support-unligned-snapshot-di.patch

@@ -1,48 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
-Date: Thu, 11 Apr 2024 11:29:23 +0200
-Subject: [PATCH] block/copy-before-write: support unligned snapshot-discard
-
-First thing that crashes on unligned access here is
-bdrv_reset_dirty_bitmap(). Correct way is to align-down the
-snapshot-discard request.
-
-Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
-Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
-Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
----
- block/copy-before-write.c | 16 +++++++++++++---
- 1 file changed, 13 insertions(+), 3 deletions(-)
-
-diff --git a/block/copy-before-write.c b/block/copy-before-write.c
-index 5a9456d426..c0e70669a2 100644
---- a/block/copy-before-write.c
-+++ b/block/copy-before-write.c
-@@ -325,14 +325,24 @@ static int coroutine_fn GRAPH_RDLOCK
- cbw_co_pdiscard_snapshot(BlockDriverState *bs, int64_t offset, int64_t bytes)
- {
-     BDRVCopyBeforeWriteState *s = bs->opaque;
-+    uint32_t cluster_size = block_copy_cluster_size(s->bcs);
-+    int64_t aligned_offset = QEMU_ALIGN_UP(offset, cluster_size);
-+    int64_t aligned_end = QEMU_ALIGN_DOWN(offset + bytes, cluster_size);
-+    int64_t aligned_bytes;
-+
-+    if (aligned_end <= aligned_offset) {
-+        return 0;
-+    }
-+    aligned_bytes = aligned_end - aligned_offset;
- 
-     WITH_QEMU_LOCK_GUARD(&s->lock) {
--        bdrv_reset_dirty_bitmap(s->access_bitmap, offset, bytes);
-+        bdrv_reset_dirty_bitmap(s->access_bitmap, aligned_offset,
-+                                aligned_bytes);
-     }
- 
--    block_copy_reset(s->bcs, offset, bytes);
-+    block_copy_reset(s->bcs, aligned_offset, aligned_bytes);
- 
--    return bdrv_co_pdiscard(s->target, offset, bytes);
-+    return bdrv_co_pdiscard(s->target, aligned_offset, aligned_bytes);
- }
- 
- static void GRAPH_RDLOCK cbw_refresh_filename(BlockDriverState *bs)

debian/patches/pve/0046-PVE-backup-fixup-error-handling-for-fleecing.patch

@@ -0,0 +1,103 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Fiona Ebner <f.ebner@proxmox.com>
+Date: Thu, 7 Nov 2024 17:51:14 +0100
+Subject: [PATCH] PVE backup: fixup error handling for fleecing
+
+The drained section needs to be terminated before breaking out of the
+loop in the error scenarios. Otherwise, guest IO on the drive would
+become stuck.
+
+If the job is created successfully, then the job completion callback
+will clean up the snapshot access block nodes. In case failure
+happened before the job is created, there was no cleanup for the
+snapshot access block nodes yet. Add it.
+
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ pve-backup.c | 38 +++++++++++++++++++++++++-------------
+ 1 file changed, 25 insertions(+), 13 deletions(-)
+
+diff --git a/pve-backup.c b/pve-backup.c
+index 81697d9bf9..320c660589 100644
+--- a/pve-backup.c
++++ b/pve-backup.c
+@@ -357,22 +357,23 @@ static void coroutine_fn pvebackup_co_complete_stream(void *opaque)
+     qemu_co_mutex_unlock(&backup_state.backup_mutex);
+ }
+ 
+-static void pvebackup_complete_cb(void *opaque, int ret)
++static void cleanup_snapshot_access(PVEBackupDevInfo *di)
+ {
+-    PVEBackupDevInfo *di = opaque;
+-    di->completed_ret = ret;
+-
+-    /*
+-     * Handle block-graph specific cleanup (for fleecing) outside of the coroutine, because the work
+-     * won't be done as a coroutine anyways:
+-     * - For snapshot_access, allows doing bdrv_unref() directly. Doing it via bdrv_co_unref() would
+-     *   just spawn a BH calling bdrv_unref().
+-     * - For cbw, draining would need to spawn a BH.
+-     */
+     if (di->fleecing.snapshot_access) {
+         bdrv_unref(di->fleecing.snapshot_access);
+         di->fleecing.snapshot_access = NULL;
+     }
++    if (di->fleecing.cbw) {
++        bdrv_cbw_drop(di->fleecing.cbw);
++        di->fleecing.cbw = NULL;
++    }
++}
++
++static void pvebackup_complete_cb(void *opaque, int ret)
++{
++    PVEBackupDevInfo *di = opaque;
++    di->completed_ret = ret;
++
+     if (di->fleecing.cbw) {
+         /*
+          * With fleecing, failure for cbw does not fail the guest write, but only sets the snapshot
+@@ -383,10 +384,17 @@ static void pvebackup_complete_cb(void *opaque, int ret)
+         if (di->completed_ret == -EACCES && snapshot_error) {
+             di->completed_ret = snapshot_error;
+         }
+-        bdrv_cbw_drop(di->fleecing.cbw);
+-        di->fleecing.cbw = NULL;
+     }
+ 
++    /*
++     * Handle block-graph specific cleanup (for fleecing) outside of the coroutine, because the work
++     * won't be done as a coroutine anyways:
++     * - For snapshot_access, allows doing bdrv_unref() directly. Doing it via bdrv_co_unref() would
++     *   just spawn a BH calling bdrv_unref().
++     * - For cbw, draining would need to spawn a BH.
++     */
++    cleanup_snapshot_access(di);
++
+     /*
+      * Needs to happen outside of coroutine, because it takes the graph write lock.
+      */
+@@ -587,6 +595,7 @@ static void create_backup_jobs_bh(void *opaque) {
+             if (!di->fleecing.cbw) {
+                 error_setg(errp, "appending cbw node for fleecing failed: %s",
+                            local_err ? error_get_pretty(local_err) : "unknown error");
++                bdrv_drained_end(di->bs);
+                 break;
+             }
+ 
+@@ -599,6 +608,8 @@ static void create_backup_jobs_bh(void *opaque) {
+             if (!di->fleecing.snapshot_access) {
+                 error_setg(errp, "setting up snapshot access for fleecing failed: %s",
+                            local_err ? error_get_pretty(local_err) : "unknown error");
++                cleanup_snapshot_access(di);
++                bdrv_drained_end(di->bs);
+                 break;
+             }
+             source_bs = di->fleecing.snapshot_access;
+@@ -637,6 +648,7 @@ static void create_backup_jobs_bh(void *opaque) {
+         }
+ 
+         if (!job || local_err) {
++            cleanup_snapshot_access(di);
+             error_setg(errp, "backup_job_create failed: %s",
+                        local_err ? error_get_pretty(local_err) : "null");
+             break;

debian/patches/pve/0046-block-copy-before-write-create-block_copy-bitmap-in-.patch

@@ -1,373 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
-Date: Thu, 11 Apr 2024 11:29:24 +0200
-Subject: [PATCH] block/copy-before-write: create block_copy bitmap in filter
- node
-
-Currently block_copy creates copy_bitmap in source node. But that is in
-bad relation with .independent_close=true of copy-before-write filter:
-source node may be detached and removed before .bdrv_close() handler
-called, which should call block_copy_state_free(), which in turn should
-remove copy_bitmap.
-
-That's all not ideal: it would be better if internal bitmap of
-block-copy object is not attached to any node. But that is not possible
-now.
-
-The simplest solution is just create copy_bitmap in filter node, where
-anyway two other bitmaps are created.
-
-Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
-Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
-Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
----
- block/block-copy.c         |   3 +-
- block/copy-before-write.c  |   2 +-
- include/block/block-copy.h |   1 +
- tests/qemu-iotests/257.out | 112 ++++++++++++++++++-------------------
- 4 files changed, 60 insertions(+), 58 deletions(-)
-
-diff --git a/block/block-copy.c b/block/block-copy.c
-index 9ee3dd7ef5..8fca2c3698 100644
---- a/block/block-copy.c
-+++ b/block/block-copy.c
-@@ -351,6 +351,7 @@ static int64_t block_copy_calculate_cluster_size(BlockDriverState *target,
- }
- 
- BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target,
-+                                     BlockDriverState *copy_bitmap_bs,
-                                      const BdrvDirtyBitmap *bitmap,
-                                      Error **errp)
- {
-@@ -367,7 +368,7 @@ BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target,
-         return NULL;
-     }
- 
--    copy_bitmap = bdrv_create_dirty_bitmap(source->bs, cluster_size, NULL,
-+    copy_bitmap = bdrv_create_dirty_bitmap(copy_bitmap_bs, cluster_size, NULL,
-                                            errp);
-     if (!copy_bitmap) {
-         return NULL;
-diff --git a/block/copy-before-write.c b/block/copy-before-write.c
-index c0e70669a2..94db31512d 100644
---- a/block/copy-before-write.c
-+++ b/block/copy-before-write.c
-@@ -468,7 +468,7 @@ static int cbw_open(BlockDriverState *bs, QDict *options, int flags,
-             ((BDRV_REQ_FUA | BDRV_REQ_MAY_UNMAP | BDRV_REQ_NO_FALLBACK) &
-              bs->file->bs->supported_zero_flags);
- 
--    s->bcs = block_copy_state_new(bs->file, s->target, bitmap, errp);
-+    s->bcs = block_copy_state_new(bs->file, s->target, bs, bitmap, errp);
-     if (!s->bcs) {
-         error_prepend(errp, "Cannot create block-copy-state: ");
-         return -EINVAL;
-diff --git a/include/block/block-copy.h b/include/block/block-copy.h
-index 0700953ab8..8b41643bfa 100644
---- a/include/block/block-copy.h
-+++ b/include/block/block-copy.h
-@@ -25,6 +25,7 @@ typedef struct BlockCopyState BlockCopyState;
- typedef struct BlockCopyCallState BlockCopyCallState;
- 
- BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target,
-+                                     BlockDriverState *copy_bitmap_bs,
-                                      const BdrvDirtyBitmap *bitmap,
-                                      Error **errp);
- 
-diff --git a/tests/qemu-iotests/257.out b/tests/qemu-iotests/257.out
-index aa76131ca9..c33dd7f3a9 100644
---- a/tests/qemu-iotests/257.out
-+++ b/tests/qemu-iotests/257.out
-@@ -120,16 +120,16 @@ write -P0x67 0x3fe0000 0x20000
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      }
--    ],
--    "drive0": [
-+      },
-       {
-         "busy": false,
-         "count": 0,
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      },
-+      }
-+    ],
-+    "drive0": [
-       {
-         "busy": false,
-         "count": 458752,
-@@ -596,16 +596,16 @@ write -P0x67 0x3fe0000 0x20000
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      }
--    ],
--    "drive0": [
-+      },
-       {
-         "busy": false,
-         "count": 0,
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      },
-+      }
-+    ],
-+    "drive0": [
-       {
-         "busy": false,
-         "count": 458752,
-@@ -865,16 +865,16 @@ write -P0x67 0x3fe0000 0x20000
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      }
--    ],
--    "drive0": [
-+      },
-       {
-         "busy": false,
-         "count": 0,
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      },
-+      }
-+    ],
-+    "drive0": [
-       {
-         "busy": false,
-         "count": 458752,
-@@ -1341,16 +1341,16 @@ write -P0x67 0x3fe0000 0x20000
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      }
--    ],
--    "drive0": [
-+      },
-       {
-         "busy": false,
-         "count": 0,
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      },
-+      }
-+    ],
-+    "drive0": [
-       {
-         "busy": false,
-         "count": 458752,
-@@ -1610,16 +1610,16 @@ write -P0x67 0x3fe0000 0x20000
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      }
--    ],
--    "drive0": [
-+      },
-       {
-         "busy": false,
-         "count": 0,
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      },
-+      }
-+    ],
-+    "drive0": [
-       {
-         "busy": false,
-         "count": 458752,
-@@ -2086,16 +2086,16 @@ write -P0x67 0x3fe0000 0x20000
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      }
--    ],
--    "drive0": [
-+      },
-       {
-         "busy": false,
-         "count": 0,
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      },
-+      }
-+    ],
-+    "drive0": [
-       {
-         "busy": false,
-         "count": 458752,
-@@ -2355,16 +2355,16 @@ write -P0x67 0x3fe0000 0x20000
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      }
--    ],
--    "drive0": [
-+      },
-       {
-         "busy": false,
-         "count": 0,
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      },
-+      }
-+    ],
-+    "drive0": [
-       {
-         "busy": false,
-         "count": 458752,
-@@ -2831,16 +2831,16 @@ write -P0x67 0x3fe0000 0x20000
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      }
--    ],
--    "drive0": [
-+      },
-       {
-         "busy": false,
-         "count": 0,
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      },
-+      }
-+    ],
-+    "drive0": [
-       {
-         "busy": false,
-         "count": 458752,
-@@ -3100,16 +3100,16 @@ write -P0x67 0x3fe0000 0x20000
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      }
--    ],
--    "drive0": [
-+      },
-       {
-         "busy": false,
-         "count": 0,
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      },
-+      }
-+    ],
-+    "drive0": [
-       {
-         "busy": false,
-         "count": 458752,
-@@ -3576,16 +3576,16 @@ write -P0x67 0x3fe0000 0x20000
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      }
--    ],
--    "drive0": [
-+      },
-       {
-         "busy": false,
-         "count": 0,
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      },
-+      }
-+    ],
-+    "drive0": [
-       {
-         "busy": false,
-         "count": 458752,
-@@ -3845,16 +3845,16 @@ write -P0x67 0x3fe0000 0x20000
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      }
--    ],
--    "drive0": [
-+      },
-       {
-         "busy": false,
-         "count": 0,
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      },
-+      }
-+    ],
-+    "drive0": [
-       {
-         "busy": false,
-         "count": 458752,
-@@ -4321,16 +4321,16 @@ write -P0x67 0x3fe0000 0x20000
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      }
--    ],
--    "drive0": [
-+      },
-       {
-         "busy": false,
-         "count": 0,
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      },
-+      }
-+    ],
-+    "drive0": [
-       {
-         "busy": false,
-         "count": 458752,
-@@ -4590,16 +4590,16 @@ write -P0x67 0x3fe0000 0x20000
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      }
--    ],
--    "drive0": [
-+      },
-       {
-         "busy": false,
-         "count": 0,
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      },
-+      }
-+    ],
-+    "drive0": [
-       {
-         "busy": false,
-         "count": 458752,
-@@ -5066,16 +5066,16 @@ write -P0x67 0x3fe0000 0x20000
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      }
--    ],
--    "drive0": [
-+      },
-       {
-         "busy": false,
-         "count": 0,
-         "granularity": 65536,
-         "persistent": false,
-         "recording": false
--      },
-+      }
-+    ],
-+    "drive0": [
-       {
-         "busy": false,
-         "count": 458752,

debian/patches/pve/0047-PVE-backup-factor-out-setting-up-snapshot-access-for.patch

@@ -0,0 +1,135 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Fiona Ebner <f.ebner@proxmox.com>
+Date: Thu, 7 Nov 2024 17:51:15 +0100
+Subject: [PATCH] PVE backup: factor out setting up snapshot access for
+ fleecing
+
+Avoids some line bloat in the create_backup_jobs_bh() function and is
+in preparation for setting up the snapshot access independently of
+fleecing, in particular that will be useful for providing access to
+the snapshot via NBD.
+
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ pve-backup.c | 95 ++++++++++++++++++++++++++++++++--------------------
+ 1 file changed, 58 insertions(+), 37 deletions(-)
+
+diff --git a/pve-backup.c b/pve-backup.c
+index 320c660589..d8d0c04b0f 100644
+--- a/pve-backup.c
++++ b/pve-backup.c
+@@ -525,6 +525,62 @@ static int coroutine_fn pvebackup_co_add_config(
+     goto out;
+ }
+ 
++/*
++ * Setup a snapshot-access block node for a device with associated fleecing image.
++ */
++static int setup_snapshot_access(PVEBackupDevInfo *di, Error **errp)
++{
++    Error *local_err = NULL;
++
++    if (!di->fleecing.bs) {
++        error_setg(errp, "no associated fleecing image");
++        return -1;
++    }
++
++    QDict *cbw_opts = qdict_new();
++    qdict_put_str(cbw_opts, "driver", "copy-before-write");
++    qdict_put_str(cbw_opts, "file", bdrv_get_node_name(di->bs));
++    qdict_put_str(cbw_opts, "target", bdrv_get_node_name(di->fleecing.bs));
++
++    if (di->bitmap) {
++        /*
++         * Only guest writes to parts relevant for the backup need to be intercepted with
++         * old data being copied to the fleecing image.
++         */
++        qdict_put_str(cbw_opts, "bitmap.node", bdrv_get_node_name(di->bs));
++        qdict_put_str(cbw_opts, "bitmap.name", bdrv_dirty_bitmap_name(di->bitmap));
++    }
++    /*
++     * Fleecing storage is supposed to be fast and it's better to break backup than guest
++     * writes. Certain guest drivers like VirtIO-win have 60 seconds timeout by default, so
++     * abort a bit before that.
++     */
++    qdict_put_str(cbw_opts, "on-cbw-error", "break-snapshot");
++    qdict_put_int(cbw_opts, "cbw-timeout", 45);
++
++    di->fleecing.cbw = bdrv_insert_node(di->bs, cbw_opts, BDRV_O_RDWR, &local_err);
++
++    if (!di->fleecing.cbw) {
++        error_setg(errp, "appending cbw node for fleecing failed: %s",
++                   local_err ? error_get_pretty(local_err) : "unknown error");
++        return -1;
++    }
++
++    QDict *snapshot_access_opts = qdict_new();
++    qdict_put_str(snapshot_access_opts, "driver", "snapshot-access");
++    qdict_put_str(snapshot_access_opts, "file", bdrv_get_node_name(di->fleecing.cbw));
++
++    di->fleecing.snapshot_access =
++        bdrv_open(NULL, NULL, snapshot_access_opts, BDRV_O_RDWR | BDRV_O_UNMAP, &local_err);
++    if (!di->fleecing.snapshot_access) {
++        error_setg(errp, "setting up snapshot access for fleecing failed: %s",
++                   local_err ? error_get_pretty(local_err) : "unknown error");
++        return -1;
++    }
++
++    return 0;
++}
++
+ /*
+  * backup_job_create can *not* be run from a coroutine, so this can't either.
+  * The caller is responsible that backup_mutex is held nonetheless.
+@@ -569,49 +625,14 @@ static void create_backup_jobs_bh(void *opaque) {
+         const char *job_id = bdrv_get_device_name(di->bs);
+         bdrv_graph_co_rdunlock();
+         if (di->fleecing.bs) {
+-            QDict *cbw_opts = qdict_new();
+-            qdict_put_str(cbw_opts, "driver", "copy-before-write");
+-            qdict_put_str(cbw_opts, "file", bdrv_get_node_name(di->bs));
+-            qdict_put_str(cbw_opts, "target", bdrv_get_node_name(di->fleecing.bs));
+-
+-            if (di->bitmap) {
+-                /*
+-                 * Only guest writes to parts relevant for the backup need to be intercepted with
+-                 * old data being copied to the fleecing image.
+-                 */
+-                qdict_put_str(cbw_opts, "bitmap.node", bdrv_get_node_name(di->bs));
+-                qdict_put_str(cbw_opts, "bitmap.name", bdrv_dirty_bitmap_name(di->bitmap));
+-            }
+-            /*
+-             * Fleecing storage is supposed to be fast and it's better to break backup than guest
+-             * writes. Certain guest drivers like VirtIO-win have 60 seconds timeout by default, so
+-             * abort a bit before that.
+-             */
+-            qdict_put_str(cbw_opts, "on-cbw-error", "break-snapshot");
+-            qdict_put_int(cbw_opts, "cbw-timeout", 45);
+-
+-            di->fleecing.cbw = bdrv_insert_node(di->bs, cbw_opts, BDRV_O_RDWR, &local_err);
+-
+-            if (!di->fleecing.cbw) {
+-                error_setg(errp, "appending cbw node for fleecing failed: %s",
+-                           local_err ? error_get_pretty(local_err) : "unknown error");
+-                bdrv_drained_end(di->bs);
+-                break;
+-            }
+-
+-            QDict *snapshot_access_opts = qdict_new();
+-            qdict_put_str(snapshot_access_opts, "driver", "snapshot-access");
+-            qdict_put_str(snapshot_access_opts, "file", bdrv_get_node_name(di->fleecing.cbw));
+-
+-            di->fleecing.snapshot_access =
+-                bdrv_open(NULL, NULL, snapshot_access_opts, BDRV_O_RDWR | BDRV_O_UNMAP, &local_err);
+-            if (!di->fleecing.snapshot_access) {
++            if (setup_snapshot_access(di, &local_err) < 0) {
+                 error_setg(errp, "setting up snapshot access for fleecing failed: %s",
+                            local_err ? error_get_pretty(local_err) : "unknown error");
+                 cleanup_snapshot_access(di);
+                 bdrv_drained_end(di->bs);
+                 break;
+             }
++
+             source_bs = di->fleecing.snapshot_access;
+             discard_source = true;
+ 

debian/patches/pve/0047-qapi-blockdev-backup-add-discard-source-parameter.patch

@@ -1,277 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
-Date: Thu, 11 Apr 2024 11:29:25 +0200
-Subject: [PATCH] qapi: blockdev-backup: add discard-source parameter
-
-Add a parameter that enables discard-after-copy. That is mostly useful
-in "push backup with fleecing" scheme, when source is snapshot-access
-format driver node, based on copy-before-write filter snapshot-access
-API:
-
-[guest]      [snapshot-access] ~~ blockdev-backup ~~> [backup target]
-   |            |
-   | root       | file
-   v            v
-[copy-before-write]
-   |             |
-   | file        | target
-   v             v
-[active disk]   [temp.img]
-
-In this case discard-after-copy does two things:
-
- - discard data in temp.img to save disk space
- - avoid further copy-before-write operation in discarded area
-
-Note that we have to declare WRITE permission on source in
-copy-before-write filter, for discard to work. Still we can't take it
-unconditionally, as it will break normal backup from RO source. So, we
-have to add a parameter and pass it thorough bdrv_open flags.
-
-Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
-Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
-Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
----
- block/backup.c                         |  5 +++--
- block/block-copy.c                     |  9 +++++++++
- block/copy-before-write.c              | 15 +++++++++++++--
- block/copy-before-write.h              |  1 +
- block/replication.c                    |  4 ++--
- blockdev.c                             |  2 +-
- include/block/block-common.h           |  2 ++
- include/block/block-copy.h             |  1 +
- include/block/block_int-global-state.h |  2 +-
- qapi/block-core.json                   |  4 ++++
- 10 files changed, 37 insertions(+), 8 deletions(-)
-
-diff --git a/block/backup.c b/block/backup.c
-index 16d611c4ca..1963e47ab9 100644
---- a/block/backup.c
-+++ b/block/backup.c
-@@ -332,7 +332,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
-                   BlockDriverState *target, int64_t speed,
-                   MirrorSyncMode sync_mode, BdrvDirtyBitmap *sync_bitmap,
-                   BitmapSyncMode bitmap_mode,
--                  bool compress,
-+                  bool compress, bool discard_source,
-                   const char *filter_node_name,
-                   BackupPerf *perf,
-                   BlockdevOnError on_source_error,
-@@ -433,7 +433,8 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
-         goto error;
-     }
- 
--    cbw = bdrv_cbw_append(bs, target, filter_node_name, &bcs, errp);
-+    cbw = bdrv_cbw_append(bs, target, filter_node_name, discard_source,
-+                          &bcs, errp);
-     if (!cbw) {
-         goto error;
-     }
-diff --git a/block/block-copy.c b/block/block-copy.c
-index 8fca2c3698..7e3b378528 100644
---- a/block/block-copy.c
-+++ b/block/block-copy.c
-@@ -137,6 +137,7 @@ typedef struct BlockCopyState {
-     CoMutex lock;
-     int64_t in_flight_bytes;
-     BlockCopyMethod method;
-+    bool discard_source;
-     BlockReqList reqs;
-     QLIST_HEAD(, BlockCopyCallState) calls;
-     /*
-@@ -353,6 +354,7 @@ static int64_t block_copy_calculate_cluster_size(BlockDriverState *target,
- BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target,
-                                      BlockDriverState *copy_bitmap_bs,
-                                      const BdrvDirtyBitmap *bitmap,
-+                                     bool discard_source,
-                                      Error **errp)
- {
-     ERRP_GUARD();
-@@ -418,6 +420,7 @@ BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target,
-                                     cluster_size),
-     };
- 
-+    s->discard_source = discard_source;
-     block_copy_set_copy_opts(s, false, false);
- 
-     ratelimit_init(&s->rate_limit);
-@@ -589,6 +592,12 @@ static coroutine_fn int block_copy_task_entry(AioTask *task)
-     co_put_to_shres(s->mem, t->req.bytes);
-     block_copy_task_end(t, ret);
- 
-+    if (s->discard_source && ret == 0) {
-+        int64_t nbytes =
-+            MIN(t->req.offset + t->req.bytes, s->len) - t->req.offset;
-+        bdrv_co_pdiscard(s->source, t->req.offset, nbytes);
-+    }
-+
-     return ret;
- }
- 
-diff --git a/block/copy-before-write.c b/block/copy-before-write.c
-index 94db31512d..853e01a1eb 100644
---- a/block/copy-before-write.c
-+++ b/block/copy-before-write.c
-@@ -44,6 +44,7 @@ typedef struct BDRVCopyBeforeWriteState {
-     BdrvChild *target;
-     OnCbwError on_cbw_error;
-     uint64_t cbw_timeout_ns;
-+    bool discard_source;
- 
-     /*
-      * @lock: protects access to @access_bitmap, @done_bitmap and
-@@ -357,6 +358,8 @@ cbw_child_perm(BlockDriverState *bs, BdrvChild *c, BdrvChildRole role,
-                uint64_t perm, uint64_t shared,
-                uint64_t *nperm, uint64_t *nshared)
- {
-+    BDRVCopyBeforeWriteState *s = bs->opaque;
-+
-     if (!(role & BDRV_CHILD_FILTERED)) {
-         /*
-          * Target child
-@@ -381,6 +384,10 @@ cbw_child_perm(BlockDriverState *bs, BdrvChild *c, BdrvChildRole role,
-              * start
-              */
-             *nperm = *nperm | BLK_PERM_CONSISTENT_READ;
-+            if (s->discard_source) {
-+                *nperm = *nperm | BLK_PERM_WRITE;
-+            }
-+
-             *nshared &= ~(BLK_PERM_WRITE | BLK_PERM_RESIZE);
-         }
-     }
-@@ -468,7 +475,9 @@ static int cbw_open(BlockDriverState *bs, QDict *options, int flags,
-             ((BDRV_REQ_FUA | BDRV_REQ_MAY_UNMAP | BDRV_REQ_NO_FALLBACK) &
-              bs->file->bs->supported_zero_flags);
- 
--    s->bcs = block_copy_state_new(bs->file, s->target, bs, bitmap, errp);
-+    s->discard_source = flags & BDRV_O_CBW_DISCARD_SOURCE;
-+    s->bcs = block_copy_state_new(bs->file, s->target, bs, bitmap,
-+                                  flags & BDRV_O_CBW_DISCARD_SOURCE, errp);
-     if (!s->bcs) {
-         error_prepend(errp, "Cannot create block-copy-state: ");
-         return -EINVAL;
-@@ -535,12 +544,14 @@ static BlockDriver bdrv_cbw_filter = {
- BlockDriverState *bdrv_cbw_append(BlockDriverState *source,
-                                   BlockDriverState *target,
-                                   const char *filter_node_name,
-+                                  bool discard_source,
-                                   BlockCopyState **bcs,
-                                   Error **errp)
- {
-     BDRVCopyBeforeWriteState *state;
-     BlockDriverState *top;
-     QDict *opts;
-+    int flags = BDRV_O_RDWR | (discard_source ? BDRV_O_CBW_DISCARD_SOURCE : 0);
- 
-     assert(source->total_sectors == target->total_sectors);
-     GLOBAL_STATE_CODE();
-@@ -553,7 +564,7 @@ BlockDriverState *bdrv_cbw_append(BlockDriverState *source,
-     qdict_put_str(opts, "file", bdrv_get_node_name(source));
-     qdict_put_str(opts, "target", bdrv_get_node_name(target));
- 
--    top = bdrv_insert_node(source, opts, BDRV_O_RDWR, errp);
-+    top = bdrv_insert_node(source, opts, flags, errp);
-     if (!top) {
-         return NULL;
-     }
-diff --git a/block/copy-before-write.h b/block/copy-before-write.h
-index 6e72bb25e9..01af0cd3c4 100644
---- a/block/copy-before-write.h
-+++ b/block/copy-before-write.h
-@@ -39,6 +39,7 @@
- BlockDriverState *bdrv_cbw_append(BlockDriverState *source,
-                                   BlockDriverState *target,
-                                   const char *filter_node_name,
-+                                  bool discard_source,
-                                   BlockCopyState **bcs,
-                                   Error **errp);
- void bdrv_cbw_drop(BlockDriverState *bs);
-diff --git a/block/replication.c b/block/replication.c
-index ca6bd0a720..0415a5e8b7 100644
---- a/block/replication.c
-+++ b/block/replication.c
-@@ -582,8 +582,8 @@ static void replication_start(ReplicationState *rs, ReplicationMode mode,
- 
-         s->backup_job = backup_job_create(
-                                 NULL, s->secondary_disk->bs, s->hidden_disk->bs,
--                                0, MIRROR_SYNC_MODE_NONE, NULL, 0, false, NULL,
--                                &perf,
-+                                0, MIRROR_SYNC_MODE_NONE, NULL, 0, false, false,
-+                                NULL, &perf,
-                                 BLOCKDEV_ON_ERROR_REPORT,
-                                 BLOCKDEV_ON_ERROR_REPORT, JOB_INTERNAL,
-                                 backup_job_completed, bs, NULL, &local_err);
-diff --git a/blockdev.c b/blockdev.c
-index 5e5dbc1da9..1054a69279 100644
---- a/blockdev.c
-+++ b/blockdev.c
-@@ -2727,7 +2727,7 @@ static BlockJob *do_backup_common(BackupCommon *backup,
- 
-     job = backup_job_create(backup->job_id, bs, target_bs, backup->speed,
-                             backup->sync, bmap, backup->bitmap_mode,
--                            backup->compress,
-+                            backup->compress, backup->discard_source,
-                             backup->filter_node_name,
-                             &perf,
-                             backup->on_source_error,
-diff --git a/include/block/block-common.h b/include/block/block-common.h
-index a846023a09..338fe5ff7a 100644
---- a/include/block/block-common.h
-+++ b/include/block/block-common.h
-@@ -243,6 +243,8 @@ typedef enum {
-                                       read-write fails */
- #define BDRV_O_IO_URING    0x40000 /* use io_uring instead of the thread pool */
- 
-+#define BDRV_O_CBW_DISCARD_SOURCE 0x80000 /* for copy-before-write filter */
-+
- #define BDRV_O_CACHE_MASK  (BDRV_O_NOCACHE | BDRV_O_NO_FLUSH)
- 
- 
-diff --git a/include/block/block-copy.h b/include/block/block-copy.h
-index 8b41643bfa..bdc703bacd 100644
---- a/include/block/block-copy.h
-+++ b/include/block/block-copy.h
-@@ -27,6 +27,7 @@ typedef struct BlockCopyCallState BlockCopyCallState;
- BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target,
-                                      BlockDriverState *copy_bitmap_bs,
-                                      const BdrvDirtyBitmap *bitmap,
-+                                     bool discard_source,
-                                      Error **errp);
- 
- /* Function should be called prior any actual copy request */
-diff --git a/include/block/block_int-global-state.h b/include/block/block_int-global-state.h
-index cc1387ae02..f0c642b194 100644
---- a/include/block/block_int-global-state.h
-+++ b/include/block/block_int-global-state.h
-@@ -195,7 +195,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
-                             MirrorSyncMode sync_mode,
-                             BdrvDirtyBitmap *sync_bitmap,
-                             BitmapSyncMode bitmap_mode,
--                            bool compress,
-+                            bool compress, bool discard_source,
-                             const char *filter_node_name,
-                             BackupPerf *perf,
-                             BlockdevOnError on_source_error,
-diff --git a/qapi/block-core.json b/qapi/block-core.json
-index f516d8e95a..d796d49abb 100644
---- a/qapi/block-core.json
-+++ b/qapi/block-core.json
-@@ -1849,6 +1849,9 @@
- #     node specified by @drive.  If this option is not given, a node
- #     name is autogenerated.  (Since: 4.2)
- #
-+# @discard-source: Discard blocks on source which are already copied
-+#     to the target.  (Since 9.0)
-+#
- # @x-perf: Performance options.  (Since 6.0)
- #
- # Features:
-@@ -1870,6 +1873,7 @@
-             '*on-target-error': 'BlockdevOnError',
-             '*auto-finalize': 'bool', '*auto-dismiss': 'bool',
-             '*filter-node-name': 'str',
-+            '*discard-source': 'bool',
-             '*x-perf': { 'type': 'BackupPerf',
-                          'features': [ 'unstable' ] } } }
- 

debian/patches/pve/0048-PVE-backup-save-device-name-in-device-info-structure.patch

@@ -0,0 +1,135 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Fiona Ebner <f.ebner@proxmox.com>
+Date: Thu, 7 Nov 2024 17:51:16 +0100
+Subject: [PATCH] PVE backup: save device name in device info structure
+
+The device name needs to be queried while holding the graph read lock
+and since it doesn't change during the whole operation, just get it
+once during setup and avoid the need to query it again in different
+places.
+
+Also in preparation to use it more often in error messages and for the
+upcoming external backup access API.
+
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ pve-backup.c | 29 +++++++++++++++--------------
+ 1 file changed, 15 insertions(+), 14 deletions(-)
+
+diff --git a/pve-backup.c b/pve-backup.c
+index d8d0c04b0f..e2110ce0db 100644
+--- a/pve-backup.c
++++ b/pve-backup.c
+@@ -94,6 +94,7 @@ typedef struct PVEBackupDevInfo {
+     size_t size;
+     uint64_t block_size;
+     uint8_t dev_id;
++    char* device_name;
+     int completed_ret; // INT_MAX if not completed
+     BdrvDirtyBitmap *bitmap;
+     BlockDriverState *target;
+@@ -327,6 +328,8 @@ static void coroutine_fn pvebackup_co_complete_stream(void *opaque)
+     }
+ 
+     di->bs = NULL;
++    g_free(di->device_name);
++    di->device_name = NULL;
+ 
+     assert(di->target == NULL);
+ 
+@@ -621,9 +624,6 @@ static void create_backup_jobs_bh(void *opaque) {
+ 
+         BlockDriverState *source_bs = di->bs;
+         bool discard_source = false;
+-        bdrv_graph_co_rdlock();
+-        const char *job_id = bdrv_get_device_name(di->bs);
+-        bdrv_graph_co_rdunlock();
+         if (di->fleecing.bs) {
+             if (setup_snapshot_access(di, &local_err) < 0) {
+                 error_setg(errp, "setting up snapshot access for fleecing failed: %s",
+@@ -654,7 +654,7 @@ static void create_backup_jobs_bh(void *opaque) {
+         }
+ 
+         BlockJob *job = backup_job_create(
+-            job_id, source_bs, di->target, backup_state.speed, sync_mode, di->bitmap,
++            di->device_name, source_bs, di->target, backup_state.speed, sync_mode, di->bitmap,
+             bitmap_mode, false, discard_source, NULL, &perf, BLOCKDEV_ON_ERROR_REPORT,
+             BLOCKDEV_ON_ERROR_REPORT, JOB_DEFAULT, pvebackup_complete_cb, di, backup_state.txn,
+             &local_err);
+@@ -751,6 +751,7 @@ static GList coroutine_fn GRAPH_RDLOCK *get_device_info(
+             }
+             PVEBackupDevInfo *di = g_new0(PVEBackupDevInfo, 1);
+             di->bs = bs;
++            di->device_name = g_strdup(bdrv_get_device_name(bs));
+ 
+             if (fleecing && device_uses_fleecing(*d)) {
+                 g_autofree gchar *fleecing_devid = g_strconcat(*d, "-fleecing", NULL);
+@@ -789,6 +790,7 @@ static GList coroutine_fn GRAPH_RDLOCK *get_device_info(
+ 
+             PVEBackupDevInfo *di = g_new0(PVEBackupDevInfo, 1);
+             di->bs = bs;
++            di->device_name = g_strdup(bdrv_get_device_name(bs));
+             di_list = g_list_append(di_list, di);
+         }
+     }
+@@ -956,9 +958,6 @@ UuidInfo coroutine_fn *qmp_backup(
+ 
+             di->block_size = dump_cb_block_size;
+ 
+-            bdrv_graph_co_rdlock();
+-            const char *devname = bdrv_get_device_name(di->bs);
+-            bdrv_graph_co_rdunlock();
+             PBSBitmapAction action = PBS_BITMAP_ACTION_NOT_USED;
+             size_t dirty = di->size;
+ 
+@@ -973,7 +972,8 @@ UuidInfo coroutine_fn *qmp_backup(
+                     }
+                     action = PBS_BITMAP_ACTION_NEW;
+                 } else {
+-                    expect_only_dirty = proxmox_backup_check_incremental(pbs, devname, di->size) != 0;
++                    expect_only_dirty =
++                        proxmox_backup_check_incremental(pbs, di->device_name, di->size) != 0;
+                 }
+ 
+                 if (expect_only_dirty) {
+@@ -997,7 +997,8 @@ UuidInfo coroutine_fn *qmp_backup(
+                 }
+             }
+ 
+-            int dev_id = proxmox_backup_co_register_image(pbs, devname, di->size, expect_only_dirty, errp);
++            int dev_id = proxmox_backup_co_register_image(pbs, di->device_name, di->size,
++                                                          expect_only_dirty, errp);
+             if (dev_id < 0) {
+                 goto err_mutex;
+             }
+@@ -1009,7 +1010,7 @@ UuidInfo coroutine_fn *qmp_backup(
+             di->dev_id = dev_id;
+ 
+             PBSBitmapInfo *info = g_malloc(sizeof(*info));
+-            info->drive = g_strdup(devname);
++            info->drive = g_strdup(di->device_name);
+             info->action = action;
+             info->size = di->size;
+             info->dirty = dirty;
+@@ -1032,10 +1033,7 @@ UuidInfo coroutine_fn *qmp_backup(
+                 goto err_mutex;
+             }
+ 
+-            bdrv_graph_co_rdlock();
+-            const char *devname = bdrv_get_device_name(di->bs);
+-            bdrv_graph_co_rdunlock();
+-            di->dev_id = vma_writer_register_stream(vmaw, devname, di->size);
++            di->dev_id = vma_writer_register_stream(vmaw, di->device_name, di->size);
+             if (di->dev_id <= 0) {
+                 error_set(errp, ERROR_CLASS_GENERIC_ERROR,
+                           "register_stream failed");
+@@ -1146,6 +1144,9 @@ err:
+             bdrv_co_unref(di->target);
+         }
+ 
++        g_free(di->device_name);
++        di->device_name = NULL;
++
+         g_free(di);
+     }
+     g_list_free(di_list);

debian/patches/pve/0048-copy-before-write-allow-specifying-minimum-cluster-s.patch

@@ -1,133 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Fiona Ebner <f.ebner@proxmox.com>
-Date: Thu, 11 Apr 2024 11:29:26 +0200
-Subject: [PATCH] copy-before-write: allow specifying minimum cluster size
-
-Useful to make discard-source work in the context of backup fleecing
-when the fleecing image has a larger granularity than the backup
-target.
-
-Copy-before-write operations will use at least this granularity and in
-particular, discard requests to the source node will too. If the
-granularity is too small, they will just be aligned down in
-cbw_co_pdiscard_snapshot() and thus effectively ignored.
-
-The QAPI uses uint32 so the value will be non-negative, but still fit
-into a uint64_t.
-
-Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
-Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
----
- block/block-copy.c         | 17 +++++++++++++----
- block/copy-before-write.c  |  3 ++-
- include/block/block-copy.h |  1 +
- qapi/block-core.json       |  8 +++++++-
- 4 files changed, 23 insertions(+), 6 deletions(-)
-
-diff --git a/block/block-copy.c b/block/block-copy.c
-index 7e3b378528..adb1cbb440 100644
---- a/block/block-copy.c
-+++ b/block/block-copy.c
-@@ -310,6 +310,7 @@ void block_copy_set_copy_opts(BlockCopyState *s, bool use_copy_range,
- }
- 
- static int64_t block_copy_calculate_cluster_size(BlockDriverState *target,
-+                                                 int64_t min_cluster_size,
-                                                  Error **errp)
- {
-     int ret;
-@@ -335,7 +336,7 @@ static int64_t block_copy_calculate_cluster_size(BlockDriverState *target,
-                     "used. If the actual block size of the target exceeds "
-                     "this default, the backup may be unusable",
-                     BLOCK_COPY_CLUSTER_SIZE_DEFAULT);
--        return BLOCK_COPY_CLUSTER_SIZE_DEFAULT;
-+        return MAX(min_cluster_size, BLOCK_COPY_CLUSTER_SIZE_DEFAULT);
-     } else if (ret < 0 && !target_does_cow) {
-         error_setg_errno(errp, -ret,
-             "Couldn't determine the cluster size of the target image, "
-@@ -345,16 +346,18 @@ static int64_t block_copy_calculate_cluster_size(BlockDriverState *target,
-         return ret;
-     } else if (ret < 0 && target_does_cow) {
-         /* Not fatal; just trudge on ahead. */
--        return BLOCK_COPY_CLUSTER_SIZE_DEFAULT;
-+        return MAX(min_cluster_size, BLOCK_COPY_CLUSTER_SIZE_DEFAULT);
-     }
- 
--    return MAX(BLOCK_COPY_CLUSTER_SIZE_DEFAULT, bdi.cluster_size);
-+    return MAX(min_cluster_size,
-+               MAX(BLOCK_COPY_CLUSTER_SIZE_DEFAULT, bdi.cluster_size));
- }
- 
- BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target,
-                                      BlockDriverState *copy_bitmap_bs,
-                                      const BdrvDirtyBitmap *bitmap,
-                                      bool discard_source,
-+                                     int64_t min_cluster_size,
-                                      Error **errp)
- {
-     ERRP_GUARD();
-@@ -365,7 +368,13 @@ BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target,
- 
-     GLOBAL_STATE_CODE();
- 
--    cluster_size = block_copy_calculate_cluster_size(target->bs, errp);
-+    if (min_cluster_size && !is_power_of_2(min_cluster_size)) {
-+        error_setg(errp, "min-cluster-size needs to be a power of 2");
-+        return NULL;
-+    }
-+
-+    cluster_size = block_copy_calculate_cluster_size(target->bs,
-+                                                     min_cluster_size, errp);
-     if (cluster_size < 0) {
-         return NULL;
-     }
-diff --git a/block/copy-before-write.c b/block/copy-before-write.c
-index 853e01a1eb..47b3cdd09f 100644
---- a/block/copy-before-write.c
-+++ b/block/copy-before-write.c
-@@ -477,7 +477,8 @@ static int cbw_open(BlockDriverState *bs, QDict *options, int flags,
- 
-     s->discard_source = flags & BDRV_O_CBW_DISCARD_SOURCE;
-     s->bcs = block_copy_state_new(bs->file, s->target, bs, bitmap,
--                                  flags & BDRV_O_CBW_DISCARD_SOURCE, errp);
-+                                  flags & BDRV_O_CBW_DISCARD_SOURCE,
-+                                  opts->min_cluster_size, errp);
-     if (!s->bcs) {
-         error_prepend(errp, "Cannot create block-copy-state: ");
-         return -EINVAL;
-diff --git a/include/block/block-copy.h b/include/block/block-copy.h
-index bdc703bacd..77857c6c68 100644
---- a/include/block/block-copy.h
-+++ b/include/block/block-copy.h
-@@ -28,6 +28,7 @@ BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target,
-                                      BlockDriverState *copy_bitmap_bs,
-                                      const BdrvDirtyBitmap *bitmap,
-                                      bool discard_source,
-+                                     int64_t min_cluster_size,
-                                      Error **errp);
- 
- /* Function should be called prior any actual copy request */
-diff --git a/qapi/block-core.json b/qapi/block-core.json
-index d796d49abb..edbf6e78b9 100644
---- a/qapi/block-core.json
-+++ b/qapi/block-core.json
-@@ -4930,12 +4930,18 @@
- #     @on-cbw-error parameter will decide how this failure is handled.
- #     Default 0.  (Since 7.1)
- #
-+# @min-cluster-size: Minimum size of blocks used by copy-before-write
-+#     operations.  Has to be a power of 2.  No effect if smaller than
-+#     the maximum of the target's cluster size and 64 KiB.  Default 0.
-+#     (Since 8.1)
-+#
- # Since: 6.2
- ##
- { 'struct': 'BlockdevOptionsCbw',
-   'base': 'BlockdevOptionsGenericFormat',
-   'data': { 'target': 'BlockdevRef', '*bitmap': 'BlockDirtyBitmap',
--            '*on-cbw-error': 'OnCbwError', '*cbw-timeout': 'uint32' } }
-+            '*on-cbw-error': 'OnCbwError', '*cbw-timeout': 'uint32',
-+            '*min-cluster-size': 'uint32' } }
- 
- ##
- # @BlockdevOptions:

debian/patches/pve/0049-PVE-backup-include-device-name-in-error-when-setting.patch

@@ -0,0 +1,25 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Fiona Ebner <f.ebner@proxmox.com>
+Date: Thu, 7 Nov 2024 17:51:17 +0100
+Subject: [PATCH] PVE backup: include device name in error when setting up
+ snapshot access fails
+
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ pve-backup.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/pve-backup.c b/pve-backup.c
+index e2110ce0db..32352fb5ec 100644
+--- a/pve-backup.c
++++ b/pve-backup.c
+@@ -626,7 +626,8 @@ static void create_backup_jobs_bh(void *opaque) {
+         bool discard_source = false;
+         if (di->fleecing.bs) {
+             if (setup_snapshot_access(di, &local_err) < 0) {
+-                error_setg(errp, "setting up snapshot access for fleecing failed: %s",
++                error_setg(errp, "%s - setting up snapshot access for fleecing failed: %s",
++                           di->device_name,
+                            local_err ? error_get_pretty(local_err) : "unknown error");
+                 cleanup_snapshot_access(di);
+                 bdrv_drained_end(di->bs);

debian/patches/pve/0049-backup-add-minimum-cluster-size-to-performance-optio.patch

@@ -1,106 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Fiona Ebner <f.ebner@proxmox.com>
-Date: Thu, 11 Apr 2024 11:29:27 +0200
-Subject: [PATCH] backup: add minimum cluster size to performance options
-
-Useful to make discard-source work in the context of backup fleecing
-when the fleecing image has a larger granularity than the backup
-target.
-
-Backup/block-copy will use at least this granularity for copy operations
-and in particular, discard requests to the backup source will too. If
-the granularity is too small, they will just be aligned down in
-cbw_co_pdiscard_snapshot() and thus effectively ignored.
-
-Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
-Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
----
- block/backup.c            | 2 +-
- block/copy-before-write.c | 2 ++
- block/copy-before-write.h | 1 +
- blockdev.c                | 3 +++
- qapi/block-core.json      | 9 +++++++--
- 5 files changed, 14 insertions(+), 3 deletions(-)
-
-diff --git a/block/backup.c b/block/backup.c
-index 1963e47ab9..fe69723ada 100644
---- a/block/backup.c
-+++ b/block/backup.c
-@@ -434,7 +434,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
-     }
- 
-     cbw = bdrv_cbw_append(bs, target, filter_node_name, discard_source,
--                          &bcs, errp);
-+                          perf->min_cluster_size, &bcs, errp);
-     if (!cbw) {
-         goto error;
-     }
-diff --git a/block/copy-before-write.c b/block/copy-before-write.c
-index 47b3cdd09f..bba58326d7 100644
---- a/block/copy-before-write.c
-+++ b/block/copy-before-write.c
-@@ -546,6 +546,7 @@ BlockDriverState *bdrv_cbw_append(BlockDriverState *source,
-                                   BlockDriverState *target,
-                                   const char *filter_node_name,
-                                   bool discard_source,
-+                                  int64_t min_cluster_size,
-                                   BlockCopyState **bcs,
-                                   Error **errp)
- {
-@@ -564,6 +565,7 @@ BlockDriverState *bdrv_cbw_append(BlockDriverState *source,
-     }
-     qdict_put_str(opts, "file", bdrv_get_node_name(source));
-     qdict_put_str(opts, "target", bdrv_get_node_name(target));
-+    qdict_put_int(opts, "min-cluster-size", min_cluster_size);
- 
-     top = bdrv_insert_node(source, opts, flags, errp);
-     if (!top) {
-diff --git a/block/copy-before-write.h b/block/copy-before-write.h
-index 01af0cd3c4..dc6cafe7fa 100644
---- a/block/copy-before-write.h
-+++ b/block/copy-before-write.h
-@@ -40,6 +40,7 @@ BlockDriverState *bdrv_cbw_append(BlockDriverState *source,
-                                   BlockDriverState *target,
-                                   const char *filter_node_name,
-                                   bool discard_source,
-+                                  int64_t min_cluster_size,
-                                   BlockCopyState **bcs,
-                                   Error **errp);
- void bdrv_cbw_drop(BlockDriverState *bs);
-diff --git a/blockdev.c b/blockdev.c
-index 1054a69279..cbe224387b 100644
---- a/blockdev.c
-+++ b/blockdev.c
-@@ -2654,6 +2654,9 @@ static BlockJob *do_backup_common(BackupCommon *backup,
-         if (backup->x_perf->has_max_chunk) {
-             perf.max_chunk = backup->x_perf->max_chunk;
-         }
-+        if (backup->x_perf->has_min_cluster_size) {
-+            perf.min_cluster_size = backup->x_perf->min_cluster_size;
-+        }
-     }
- 
-     if ((backup->sync == MIRROR_SYNC_MODE_BITMAP) ||
-diff --git a/qapi/block-core.json b/qapi/block-core.json
-index edbf6e78b9..6e7ee87633 100644
---- a/qapi/block-core.json
-+++ b/qapi/block-core.json
-@@ -1790,11 +1790,16 @@
- #     it should not be less than job cluster size which is calculated
- #     as maximum of target image cluster size and 64k.  Default 0.
- #
-+# @min-cluster-size: Minimum size of blocks used by copy-before-write
-+#     and background copy operations.  Has to be a power of 2.  No
-+#     effect if smaller than the maximum of the target's cluster size
-+#     and 64 KiB.  Default 0. (Since 8.1)
-+#
- # Since: 6.0
- ##
- { 'struct': 'BackupPerf',
--  'data': { '*use-copy-range': 'bool',
--            '*max-workers': 'int', '*max-chunk': 'int64' } }
-+  'data': { '*use-copy-range': 'bool', '*max-workers': 'int',
-+            '*max-chunk': 'int64', '*min-cluster-size': 'uint32' } }
- 
- ##
- # @BackupCommon:

debian/patches/pve/0050-adapt-machine-version-deprecation-for-Proxmox-VE.patch

@@ -0,0 +1,137 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Fiona Ebner <f.ebner@proxmox.com>
+Date: Fri, 3 Jan 2025 14:03:12 +0100
+Subject: [PATCH] adapt machine version deprecation for Proxmox VE
+
+In commit a35f8577a0 ("include/hw: add macros for deprecation &
+removal of versioned machines"), a new machine version deprecation and
+removal policy was introduced. After only 3 years a machine version
+will be deprecated while being removed after 6 years.
+
+The deprecation is a bit early considering major PVE releases are
+approximately every 2 years. This means that a deprecation warning can
+already happen for a machine version that was introduced during the
+previous major release. This would scare users for no good reason, so
+avoid deprecating machine versions in PVE too early and define a
+baseline of machine versions that will be supported throughout a
+single major PVE release.
+
+Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
+---
+ include/hw/boards.h | 78 +++++++++++++++++++++++++++++----------------
+ 1 file changed, 51 insertions(+), 27 deletions(-)
+
+diff --git a/include/hw/boards.h b/include/hw/boards.h
+index d1741ea121..3f9befda14 100644
+--- a/include/hw/boards.h
++++ b/include/hw/boards.h
+@@ -631,42 +631,66 @@ struct MachineState {
+ 
+ 
+ /*
+- * How many years/major releases for each phase
+- * of the life cycle. Assumes use of versioning
+- * scheme where major is bumped each year
++ * Baseline of machine versions that are still considered supported throughout
++ * current major Proxmox VE release. Machine versions older than this are
++ * considered to be deprecated in Proxmox VE.
++ *
++ * Machine versions older than 6 years are removed just like in upstream QEMU.
++ * (policy takes effect with QEMU 10.1). Assumes yearly major QEMU release.
++ *
++ * QEMU release cylce N.0 in ~April, N.1 in ~August, N.2 in ~December
++ * Debian/PVE release cylce ~every two years in summer
++ *
++ * PVE - last QEMU - machine versions dropped - baseline
++ *   8         9.2              2.3 and older        2.4
++ *   9        11.2              5.2 and older        6.0
++ *  10        13.2              7.2 and older        8.0
++ */
++#define MACHINE_VER_BASELINE_PVE_MAJOR 2
++#define MACHINE_VER_BASELINE_PVE_MINOR 4
++#define MACHINE_VER_DELETION_MAJOR (QEMU_VERSION_MAJOR - 6)
++#define MACHINE_VER_DELETION_MINOR QEMU_VERSION_MINOR
++
++/*
++ * Proxmox VE needs to support the baseline throughout a major PVE release. So
++ * a QEMU release where the baseline is already deleted cannot be used.
++ * Removal policy after 6 years takes effect with QEMU 10.1.
+  */
+-#define MACHINE_VER_DELETION_MAJOR 6
+-#define MACHINE_VER_DEPRECATION_MAJOR 3
++#if ((QEMU_VERSION_MAJOR > 10) || ((QEMU_VERSION_MAJOR == 10) && (QEMU_VERSION_MINOR >= 1)))
++#if ((MACHINE_VER_BASELINE_PVE_MAJOR < MACHINE_VER_DELETION_MAJOR) || \
++     ((MACHINE_VER_BASELINE_PVE_MAJOR == MACHINE_VER_DELETION_MAJOR) && \
++      (MACHINE_VER_BASELINE_PVE_MINOR < MACHINE_VER_DELETION_MINOR)))
++#error "Baseline machine version needed by Proxmox VE not supported anymore by this QEMU release"
++#endif
++#endif
+ 
+ /*
+  * Expands to a static string containing a deprecation
+  * message for a versioned machine type
+  */
+ #define MACHINE_VER_DEPRECATION_MSG \
+-    "machines more than " stringify(MACHINE_VER_DEPRECATION_MAJOR) \
+-    " years old are subject to deletion after " \
+-    stringify(MACHINE_VER_DELETION_MAJOR) " years"
+-
+-#define _MACHINE_VER_IS_EXPIRED_IMPL(cutoff, major, minor) \
+-    (((QEMU_VERSION_MAJOR - major) > cutoff) || \
+-     (((QEMU_VERSION_MAJOR - major) == cutoff) && \
+-      (QEMU_VERSION_MINOR - minor) >= 0))
+-
+-#define _MACHINE_VER_IS_EXPIRED2(cutoff, major, minor) \
+-    _MACHINE_VER_IS_EXPIRED_IMPL(cutoff, major, minor)
+-#define _MACHINE_VER_IS_EXPIRED3(cutoff, major, minor, micro) \
+-    _MACHINE_VER_IS_EXPIRED_IMPL(cutoff, major, minor)
+-#define _MACHINE_VER_IS_EXPIRED4(cutoff, major, minor, _unused, tag) \
+-    _MACHINE_VER_IS_EXPIRED_IMPL(cutoff, major, minor)
+-#define _MACHINE_VER_IS_EXPIRED5(cutoff, major, minor, micro, _unused, tag)   \
+-    _MACHINE_VER_IS_EXPIRED_IMPL(cutoff, major, minor)
+-
+-#define _MACHINE_IS_EXPIRED(cutoff, ...) \
++    "old machine version is subject to deletion during current major Proxmox VE release"
++
++#define _MACHINE_VER_IS_EXPIRED_IMPL(baseline_major, baseline_minor, major, minor) \
++    ((major < baseline_major) || \
++     ((major == baseline_major) && \
++      (minor < baseline_minor)))
++
++#define _MACHINE_VER_IS_EXPIRED2(baseline_major, baseline_minor, major, minor) \
++    _MACHINE_VER_IS_EXPIRED_IMPL(baseline_major, baseline_minor, major, minor)
++#define _MACHINE_VER_IS_EXPIRED3(baseline_major, baseline_minor, major, minor, micro) \
++    _MACHINE_VER_IS_EXPIRED_IMPL(baseline_major, baseline_minor, major, minor)
++#define _MACHINE_VER_IS_EXPIRED4(baseline_major, baseline_minor, major, minor, _unused, tag) \
++    _MACHINE_VER_IS_EXPIRED_IMPL(baseline_major, baseline_minor, major, minor)
++#define _MACHINE_VER_IS_EXPIRED5(baseline_major, baseline_minor, major, minor, micro, _unused, tag)   \
++    _MACHINE_VER_IS_EXPIRED_IMPL(baseline_major, baseline_minor, major, minor)
++
++#define _MACHINE_IS_EXPIRED(baseline_major, baseline_minor, ...) \
+     _MACHINE_VER_PICK(__VA_ARGS__, \
+                       _MACHINE_VER_IS_EXPIRED5, \
+                       _MACHINE_VER_IS_EXPIRED4, \
+                       _MACHINE_VER_IS_EXPIRED3, \
+-                      _MACHINE_VER_IS_EXPIRED2) (cutoff, __VA_ARGS__)
++                      _MACHINE_VER_IS_EXPIRED2) (baseline_major, baseline_minor, __VA_ARGS__)
+ 
+ /*
+  * Evaluates true when a machine type with (major, minor)
+@@ -675,7 +699,7 @@ struct MachineState {
+  * lifecycle rules
+  */
+ #define MACHINE_VER_IS_DEPRECATED(...) \
+-    _MACHINE_IS_EXPIRED(MACHINE_VER_DEPRECATION_MAJOR, __VA_ARGS__)
++    _MACHINE_IS_EXPIRED(MACHINE_VER_BASELINE_PVE_MAJOR, MACHINE_VER_BASELINE_PVE_MINOR, __VA_ARGS__)
+ 
+ /*
+  * Evaluates true when a machine type with (major, minor)
+@@ -684,7 +708,7 @@ struct MachineState {
+  * lifecycle rules
+  */
+ #define MACHINE_VER_SHOULD_DELETE(...) \
+-    _MACHINE_IS_EXPIRED(MACHINE_VER_DELETION_MAJOR, __VA_ARGS__)
++    _MACHINE_IS_EXPIRED(MACHINE_VER_DELETION_MAJOR, MACHINE_VER_DELETION_MINOR, __VA_ARGS__)
+ 
+ /*
+  * Sets the deprecation reason for a versioned machine based

debian/patches/series

@@ -1,8 +1,14 @@
 extra/0001-monitor-qmp-fix-race-with-clients-disconnecting-earl.patch
-extra/0002-scsi-megasas-Internal-cdbs-have-16-byte-length.patch
-extra/0003-ide-avoid-potential-deadlock-when-draining-during-tr.patch
-extra/0004-Revert-x86-acpi-workaround-Windows-not-handling-name.patch
-extra/0005-block-copy-before-write-use-uint64_t-for-timeout-in-.patch
+extra/0002-ide-avoid-potential-deadlock-when-draining-during-tr.patch
+extra/0003-tcg-Reset-free_temps-before-tcg_optimize.patch
+extra/0004-target-i386-Reset-TSCs-of-parked-vCPUs-too-on-VM-res.patch
+extra/0005-i386-cpu-Mark-avx10_version-filtered-when-prefix-is-.patch
+extra/0006-net-Fix-announce_self.patch
+extra/0007-net-dump-Correctly-compute-Ethernet-packet-offset.patch
+extra/0008-pci-acpi-Windows-PCI-Label-Id-bug-workaround.patch
+extra/0009-hw-usb-hcd-xhci-pci-Use-modulo-to-select-MSI-vector-.patch
+extra/0010-pci-ensure-valid-link-status-bits-for-downstream-por.patch
+extra/0011-pci-msix-Fix-msix-pba-read-vector-poll-end-calculati.patch
 bitmap-mirror/0001-drive-mirror-add-support-for-sync-bitmap-mode-never.patch
 bitmap-mirror/0002-drive-mirror-add-support-for-conditional-and-always-.patch
 bitmap-mirror/0003-mirror-add-check-for-bitmap-mode-without-bitmap.patch
@@ -52,11 +58,11 @@ pve/0040-Revert-block-rbd-fix-handling-of-holes-in-.bdrv_co_b.patch
 pve/0041-Revert-block-rbd-implement-bdrv_co_block_status.patch
 pve/0042-alloc-track-error-out-when-auto-remove-is-not-set.patch
 pve/0043-alloc-track-avoid-seemingly-superfluous-child-permis.patch
-pve/0044-block-copy-before-write-fix-permission.patch
-pve/0045-block-copy-before-write-support-unligned-snapshot-di.patch
-pve/0046-block-copy-before-write-create-block_copy-bitmap-in-.patch
-pve/0047-qapi-blockdev-backup-add-discard-source-parameter.patch
-pve/0048-copy-before-write-allow-specifying-minimum-cluster-s.patch
-pve/0049-backup-add-minimum-cluster-size-to-performance-optio.patch
-pve/0050-PVE-backup-add-fleecing-option.patch
-pve/0051-PVE-backup-improve-error-when-copy-before-write-fail.patch
+pve/0044-PVE-backup-add-fleecing-option.patch
+pve/0045-PVE-backup-improve-error-when-copy-before-write-fail.patch
+pve/0046-PVE-backup-fixup-error-handling-for-fleecing.patch
+pve/0047-PVE-backup-factor-out-setting-up-snapshot-access-for.patch
+pve/0048-PVE-backup-save-device-name-in-device-info-structure.patch
+pve/0049-PVE-backup-include-device-name-in-error-when-setting.patch
+pve/0050-adapt-machine-version-deprecation-for-Proxmox-VE.patch
+pve-qemu-9.2-vitastor.patch