This patch simplifies the AES code, by directly accessing the newly added
S-Box, InvS-Box and InvMixColumns tables instead of recreating them by
using the AES_Te and AES_Td tables.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The name is set to "qemu".
Signed-off-by: Drew DeVault <sir@cmpwn.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Drew DeVault <sircmpwn@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Ongoing discussions on how we are going to specify the console,
so tag the command as experiental so we can refine things in
the 2.3 development cycle.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1416923657-10614-1-git-send-email-armbru@redhat.com
[Spell out "not a stable API", and x- the QAPI schema, too]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Amos Kong <akong@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
A bunch of bugfixes for 2.2.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pc, pci, misc bugfixes
A bunch of bugfixes for 2.2.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Mon 24 Nov 2014 18:59:47 GMT using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
* remotes/mst/tags/for_upstream:
pc: acpi: mark all possible CPUs as enabled in SRAT
pcie: fix improper use of negative value
pcie: fix typo in pcie_cap_deverr_init()
target-i386: move generic memory hotplug methods to DSDTs
acpi-build: mark RAM dirty on table update
hw/pci: fix crash on shpc error flow
pc: count in 1Gb hugepage alignment when sizing hotplug-memory container
pc: explicitly check maxmem limit when adding DIMM
pc: pc-dimm: use backend alignment during address auto allocation
pc: align DIMM's address/size by backend's alignment value
memory: expose alignment used for allocating RAM as MemoryRegion API
pc: limit DIMM address and size to page aligned values
pc: make pc_dimm_plug() more readble
pc: kvm: check if KVM has free memory slots to avoid abort()
qemu-char: fix tcp_get_fds
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
If QEMU is started with -numa ... Windows only notices that
CPU has been hot-added but it will not online such CPUs.
It's caused by the fact that possible CPUs are flagged as
not enabled in SRAT and Windows honoring that information
doesn't use corresponding CPU.
ACPI 5.0 Spec regarding to flag says:
"
Table 5-47 Local APIC Flags
...
Enabled: if zero, this processor is unusable, and the operating system
support will not attempt to use it.
"
Fix QEMU to adhere to spec and mark possible CPUs as enabled
in SRAT.
With that Windows onlines hot-added CPUs as expected.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reported-by:
https://bugs.launchpad.net/qemu/+bug/1393440
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This makes it simpler to keep the SSDT byte-for-byte identical for a
given machine type, which is a goal we want to have for 2.2 and newer
types.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
acpi build modifies internal FW CFG RAM on first access
but we forgot to mark it dirty.
If this RAM has been migrated already, it won't be
migrated again, returning corrupted tables to guest.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
If the pci bridge enters in error flow as part
of init process it will only delete the shpc mmio
subregion but not remove it from the properties list,
resulting in segmentation fault when the bridge runs
the exit function.
Example: add a pci bridge without specifing the chassis number:
<qemu-bin> ... -device pci-bridge,id=p1
Result:
(qemu) qemu-system-x86_64: -device pci-bridge,id=p1: Bridge chassis not specified. Each bridge is required to be assigned a unique chassis id > 0.
qemu-system-x86_64: -device pci-bridge,id=p1: Device
initialization failed.
Segmentation fault (core dumped)
if (child->class->unparent) {
#0 0x00005555558d629b in object_finalize_child_property (obj=0x555556d2e830, name=0x555556d30630 "shpc-mmio[0]", opaque=0x555556a42fc8) at qom/object.c:1078
#1 0x00005555558d4b1f in object_property_del_all (obj=0x555556d2e830) at qom/object.c:367
#2 0x00005555558d4ca1 in object_finalize (data=0x555556d2e830) at qom/object.c:412
#3 0x00005555558d55a1 in object_unref (obj=0x555556d2e830) at qom/object.c:720
#4 0x000055555572c907 in qdev_device_add (opts=0x5555563544f0) at qdev-monitor.c:566
#5 0x0000555555744f16 in device_init_func (opts=0x5555563544f0, opaque=0x0) at vl.c:2213
#6 0x00005555559cf5f0 in qemu_opts_foreach (list=0x555555e0f8e0 <qemu_device_opts>, func=0x555555744efa <device_init_func>, opaque=0x0, abort_on_failure=1) at util/qemu-option.c:1057
#7 0x000055555574a11b in main (argc=16, argv=0x7fffffffdde8, envp=0x7fffffffde70) at vl.c:423
Unparent the shpc mmio region as part of shpc cleanup.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Amos Kong <akong@redhat.com>
if DIMMs with different size/alignment are interleaved
in creation order, it could lead to hotplug-memory
container fragmentation and following inability to use
all RAM upto maxmem.
For example:
-m 4G,slots=3,maxmem=7G
-object memory-backend-file,id=mem-1,size=256M,mem-path=/pagesize-2MB
-device pc-dimm,id=mem1,memdev=mem-1
-object memory-backend-file,id=mem-2,size=1G,mem-path=/pagesize-1GB
-device pc-dimm,id=mem2,memdev=mem-2
-object memory-backend-file,id=mem-3,size=256M,mem-path=/pagesize-2MB
-device pc-dimm,id=mem3,memdev=mem-3
fragments hotplug-memory container and doesn't allow
to use 1GB hugepage backend to consume remainig 1Gb.
To ease managment factor count in max 1Gb alignment for
each memory slot when sizing hotplug-memory region so
that regadless of fragmentaion it would be possible to
add max aligned DIMM.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Currently maxmem limit is not checked and depends on
hotplug region container not being able to fit more RAM
than maxmem. Do check explicitly so that it would
be possible to change hotplug container size later
to deal with fragmentation.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
Three patches to fix ExtINT for the QEMU implementation of the local APIC.
# gpg: Signature made Mon 24 Nov 2014 13:38:36 GMT using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini/tags/for-upstream:
apic: fix incorrect handling of ExtINT interrupts wrt processor priority
apic: fix loss of IPI due to masked ExtINT
apic: avoid getting out of halted state on masked PIC interrupts
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This fixes another failure with ExtINT, demonstrated by QNX. The failure
mode is as follows:
- IPI sent to cpu 0 (bit set in APIC irr)
- IPI accepted by cpu 0 (bit cleared in irr, set in isr)
- IPI sent to cpu 0 (bit set in both irr and isr)
- PIC interrupt sent to cpu 0
The PIC interrupt causes CPU_INTERRUPT_HARD to be set, but
apic_irq_pending observes that the highest pending APIC interrupt priority
(the IPI) is the same as the processor priority (since the IPI is still
being handled), so apic_get_interrupt returns a spurious interrupt rather
than the pending PIC interrupt. The result is an endless sequence of
spurious interrupts, since nothing will clear CPU_INTERRUPT_HARD.
Instead, ExtINT interrupts should have ignored the processor priority.
Calling apic_check_pic early in apic_get_interrupt ensures that
apic_deliver_pic_intr is called instead of delivering the spurious
interrupt. apic_deliver_pic_intr then clears CPU_INTERRUPT_HARD if needed.
Reported-by: Richard Bilson <rbilson@qnx.com>
Tested-by: Richard Bilson <rbilson@qnx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This patch fixes an obscure failure of the QNX kernel on QEMU x86 SMP.
In QNX, all hardware interrupts come via the PIC, and are delivered by
the cpu 0 LAPIC in ExtINT mode, while IPIs are delivered by the LAPIC
in fixed mode.
This bug happens as follows:
- cpu 0 masks a particular PIC interrupt
- IPI sent to cpu 0 (CPU_INTERRUPT_HARD is set)
- before the IPI is accepted, the masked interrupt line is asserted by the
device
Since the interrupt is masked, apic_deliver_pic_intr will clear
CPU_INTERRUPT_HARD. The IPI will still be set in the APIC irr, but since
CPU_INTERRUPT_HARD is not set the cpu will not notice. Depending on the
scenario this can cause a system hang, i.e. if cpu 0 is expected to unmask
the interrupt.
In order to fix this, do a full check of the APIC before an EXTINT
is acknowledged. This can result in clearing CPU_INTERRUPT_HARD, but
can also result in delivering the lost IPI.
Reported-by: Richard Bilson <rbilson@qnx.com>
Tested-by: Richard Bilson <rbilson@qnx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
After the next patch, if a masked PIC interrupts causes CPU_INTERRUPT_POLL
to be set, the CPU will spuriously get out of halted state. While this
is technically valid, we should avoid that.
Make CPU_INTERRUPT_POLL run apic_update_irq in the right thread and then
look at CPU_INTERRUPT_HARD. If CPU_INTERRUPT_HARD does not get set,
do not report the CPU as having work.
Also move the handling of software-disabled APIC from apic_update_irq
to apic_irq_pending, and always trigger CPU_INTERRUPT_POLL. This will
be important once we will add a case that resets CPU_INTERRUPT_HARD
from apic_update_irq. We want to run it even if we go through
CPU_INTERRUPT_POLL, and even if the local APIC is software disabled.
Reported-by: Richard Bilson <rbilson@qnx.com>
Tested-by: Richard Bilson <rbilson@qnx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This reverts commit 000c4dfff4.
The main reason for reverting this commit before the 2.2 release is that
it adds a QAPI interface that we don't want to keep: The 'nocow' flag
doesn't generally make sense for block nodes, but only for the raw-posix
driver. It should therefore be part of ImageInfoSpecific rather than
ImageInfo.
The commit contains more problems, but unlike the API stability issue
they wouldn't justify reverting it.
Conflicts:
block/qapi.c
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Performance wise it's better to align GVA by the backend's
page size.
Also do not allow to create DIMM device with suboptimal
size (i.e. not aligned to backends page size) to aviod
memory loss.
Do above only for 2.2 and newer machine types to avoid
breaking working configs with 2.1 machine type.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
introduce memory_region_get_alignment() that returns
underlying memory block alignment or 0 if it's not
relevant/implemented for backend.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
When running in KVM mode, kvm_set_phys_mem() will silently
fail if registered MemoryRegion address/size is not page
aligned. Causing memory hotplug failure in guest.
Mapping non aligned MemoryRegion in TCG mode 'works', but
sane guest OS still expects page aligned memory module
and fails to initialize it if it's not aligned.
So do not allow non aligned (i.e. valid) address/size
values for DIMM to avoid either KVM failure or guest
issues caused by it.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
split addr initialization from declaration so that
later when new local vars are added property getter
wouldn't drift off of error check.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
When more memory devices are used than available
KVM memory slots, QEMU crashes with:
kvm_alloc_slot: no free slot available
Aborted (core dumped)
Fix this by checking that KVM has a free slot before
attempting to map memory in guest address space.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
tcp_get_fds API discards fds if there's more than 1 of these.
It's tricky to fix this without API changes in the generic case.
However, this API is only used by tests ATM, and tests know how
many fds they expect.
So let's not waste cycles trying to fix this properly:
simply assume at most 16 fds (tests use at most 8 now).
assert if some test tries to get more.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Coverity spot:
Assigning: iov = struct iovec [3]({{buf, 12UL},
{(void *)dot1q_buf, 4UL},
{buf + 12, size - 12}})
(address of temporary variable of type struct iovec [3]).
out_of_scope: Temporary variable of type struct iovec [3] goes out of scope.
Pointer to local outside scope (RETURN_LOCAL)
use_invalid:
Using iov, which points to an out-of-scope temporary variable of type struct iovec [3].
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
s->xmit_pos maybe assigned to a negative value (-1),
but in this branch variable s->xmit_pos as an index to
array s->buffer. Let's add a check for s->xmit_pos.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
If is_connected parameter is false, the saddr
variable will no initialize. Coverity report:
uninit_use: Using uninitialized value saddr.sin_port.
We don't need add saddr information to nc->info_str
when is_connected is false.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
commit b412eb61 introduce 'cmd:' target for guestfwd,
and fwd don't be used in this scenario, and will leak
memory in true branch with 'cmd:'. Let's allocate memory
for fwd variable just in else statement.
Cc: Alexander Graf <agraf@suse.de>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This fixes a crash by just skipping the vte resize hack if cur is NULL.
Reproducer:
qemu-system-x86_64 -nodefaults
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
local_err in gd_vc_gfx_init() is not freed, and we don't use it,
so remove it.
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
ePAPR 1.1 defines the stdout-path property, making the os-specific
linux,stdout-path property redundant. Change the DT setup for ARM virt
to use the generic property - supported by Linux since 3.15.
The old QEMU behaviour was not present in any released version of
QEMU, and was only added to QEMU after the kernel changed, so
this should not break any existing setups.
Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
[PMM: add note to commit about the old behaviour never hving been
in a released version of QEMU]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The Move to Vector Status and Control Register (mtvscr) instruction
uses VRB as the source register. Fix the code generator to correctly
decode the VRB field. That is, use "rB(ctx->opcode)" instead of
"rD(ctx->opcode)".
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Memory slots have to be page aligned to get entered into KVM. There
is existing logic that tries to ensure that we pad memory slots that
are not page aligned to the biggest region that would still fit in the
alignment requirements.
Unfortunately, that logic is broken. It tries to calculate the start
offset based on the region size.
Fix up the logic to do the thing it was intended to do and document it
properly in the comment above it.
With this patch applied, I can successfully run an e500 guest with more
than 3GB RAM (at which point RAM starts overlapping subpage memory regions).
Cc: qemu-stable@nongnu.org
Signed-off-by: Alexander Graf <agraf@suse.de>
In the previous patch, the registers were added to init_proc_G2LE
instead of init_proc_e300.
Signed-off-by: Fabien Chouteau <chouteau@adacore.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
it may actually fix a case where autoconverge would break on a repeat
migration (and not just fix stats).
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Merge remote-tracking branch 'remotes/amit-migration/tags/for-2.2-2' into staging
Fix from a while back that unfortunately got ignored. Dave Gilbert says
it may actually fix a case where autoconverge would break on a repeat
migration (and not just fix stats).
# gpg: Signature made Thu 20 Nov 2014 12:52:41 GMT using RSA key ID 854083B6
# gpg: Good signature from "Amit Shah <amit@amitshah.net>"
# gpg: aka "Amit Shah <amit@kernel.org>"
# gpg: aka "Amit Shah <amitshah@gmx.net>"
* remotes/amit-migration/tags/for-2.2-2:
migration: static variables will not be reset at second migration
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The static variables in migration_bitmap_sync will not be reset in
the case of a second attempted migration.
Signed-off-by: ChenLiang <chenliang88@huawei.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
The other callers to blk_set_enable_write_cache() in this file
already check for s->blk == NULL.
Signed-off-by: Don Slutz <dslutz@verizon.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1416259239-13281-1-git-send-email-dslutz@verizon.com
Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Version: GnuPG v1
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Merge remote-tracking branch 'remotes/stefanha/tags/net-pull-request' into staging
# gpg: Signature made Tue 18 Nov 2014 15:04:53 GMT using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>"
* remotes/stefanha/tags/net-pull-request:
net: The third parameter of getsockname should be initialized
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
simpletrace.py does not recognize the tcg option while reading trace-events file. In result simpletrace does not work on binary traces and tcg enabled events. Moved transformation of tcg enabled events to _read_events() which is used by simpletrace.
Signed-off-by: Christoph Seifert <christoph.seifert@posteo.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Fix the example trace configure option.
Update the text to say that multiple backends are allowed and what
happens when multiple backends are enabled.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: 1412691161-31785-1-git-send-email-dgilbert@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
migration by Michael S. Tsirkin.
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Merge remote-tracking branch 'remotes/amit-migration/tags/for-2.2' into staging
Fix for CVE-2014-7840, avoiding arbitrary qemu memory overwrite for
migration by Michael S. Tsirkin.
# gpg: Signature made Tue 18 Nov 2014 11:23:00 GMT using RSA key ID 854083B6
# gpg: Good signature from "Amit Shah <amit@amitshah.net>"
# gpg: aka "Amit Shah <amit@kernel.org>"
# gpg: aka "Amit Shah <amitshah@gmx.net>"
* remotes/amit-migration/tags/for-2.2:
migration: fix parameter validation on ram load
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>