Thomas Huth [Thu, 24 Apr 2025 09:06:40 +0000 (11:06 +0200)]
tests/functional/test_s390x_tuxrun: Check whether the machine is available
The s390x tuxrun test lacks the call to self.set_machine(), so this
test is currently failing in case the 's390-ccw-virtio' machine has
not been compiled into the binary. Add the check now to fix it.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20250424090640.664217-1-thuth@redhat.com>
Thomas Huth [Thu, 8 May 2025 14:41:16 +0000 (16:41 +0200)]
include/hw/dma/xlnx_dpdma: Remove dependency on console.h
console.h brings a dependency on the <epoxy/opengl.h> and the pixman
header file (if available), so we should avoid to include this file
if it is not really necessary. console.h does not seem to be necessary
for the xlnx_dpdma code, so drop the include here.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20250508144120.163009-2-thuth@redhat.com>
intel_iommu: Use BQL_LOCK_GUARD to manage cleanup automatically
vtd_switch_address_space needs to take the BQL if not already held.
Use BQL_LOCK_GUARD to make the iommu implementation more consistent.
Signed-off-by: Clement Mathieu--Drif <clement.mathieu--drif@eviden.com>
Message-Id: <20250430124750.240412-2-clement.mathieu--drif@eviden.com> Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Move virtio_reset() to a later part of the file to remove the forward
declaration of virtio_set_features_nocheck() and to prepare the
situation that we need more operations to perform during reset.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20250421-reset-v2-2-e4c1ead88ea1@daynix.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
virtio-net expects set_features() will be called when the feature set
used by the guest changes to update the number of virtqueues but it is
not called during reset, which will clear all features, leaving the
queues added for VIRTIO_NET_F_MQ or VIRTIO_NET_F_RSS. Not only these
extra queues are visible to the guest, they will cause segmentation
fault during migration.
Call set_features() during reset to remove those queues for virtio-net
as we call set_status(). It will also prevent similar bugs for
virtio-net and other devices in the future.
Fixes: f9d6dbf0bf6e ("virtio-net: remove virtio queues if the guest doesn't support multiqueue") Buglink: https://issues.redhat.com/browse/RHEL-73842 Cc: qemu-stable@nongnu.org Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20250421-reset-v2-1-e4c1ead88ea1@daynix.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Haoqian He [Wed, 16 Apr 2025 02:47:28 +0000 (22:47 -0400)]
vhost-user: return failure if backend crash when live migration
Live migration should be terminated if the vhost-user backend crashes
before the migration completes.
Specifically, since the vhost device will be stopped when VM is stopped
before the end of the live migration, in current implementation if the
backend crashes, vhost-user device set_status() won't return failure,
live migration won't perceive the disconnection between QEMU and the
backend.
When the VM is migrated to the destination, the inflight IO will be
resubmitted, and if the IO was completed out of order before, it will
cause IO error.
To fix this issue:
1. Add the return value to set_status() for VirtioDeviceClass.
a. For the vhost-user device, return failure when the backend crashes.
b. For other virtio devices, always return 0.
2. Return failure if vhost_dev_stop() failed for vhost-user device.
If QEMU loses connection with the vhost-user backend, virtio set_status()
can return failure to the upper layer, migration_completion() can handle
the error, terminate the live migration, and restore the VM, so that
inflight IO can be completed normally.
Signed-off-by: Haoqian He <haoqian.he@smartx.com>
Message-Id: <20250416024729.3289157-4-haoqian.he@smartx.com> Tested-by: Lei Yang <leiyang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Haoqian He [Wed, 16 Apr 2025 02:47:27 +0000 (22:47 -0400)]
vhost: return failure if stop virtqueue failed in vhost_dev_stop
This patch captures the error of vhost_virtqueue_stop() in vhost_dev_stop()
and returns the error upward.
Specifically, if QEMU is disconnected from the vhost backend, some actions
in vhost_dev_stop() will fail, such as sending vhost-user messages to the
backend (GET_VRING_BASE, SET_VRING_ENABLE) and vhost_reset_status.
Considering that both set_vring_enable and vhost_reset_status require setting
the specific virtio feature bit, we can capture vhost_virtqueue_stop()'s
error to indicate that QEMU has lost connection with the backend.
This patch is the pre patch for 'vhost-user: return failure if backend crashes
when live migration', which makes the live migration aware of the loss of
connection with the vhost-user backend and aborts the live migration.
Signed-off-by: Haoqian He <haoqian.he@smartx.com>
Message-Id: <20250416024729.3289157-3-haoqian.he@smartx.com> Tested-by: Lei Yang <leiyang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Haoqian He [Wed, 16 Apr 2025 02:47:26 +0000 (22:47 -0400)]
system/runstate: add VM state change cb with return value
This patch adds the new VM state change cb type `VMChangeStateHandlerWithRet`,
which has return value for `VMChangeStateEntry`.
Thus, we can register a new VM state change cb with return value for device.
Note that `VMChangeStateHandler` and `VMChangeStateHandlerWithRet` are mutually
exclusive and cannot be provided at the same time.
This patch is the pre patch for 'vhost-user: return failure if backend crashes
when live migration', which makes the live migration aware of the loss of
connection with the vhost-user backend and aborts the live migration.
Virtio device will use VMChangeStateHandlerWithRet.
Signed-off-by: Haoqian He <haoqian.he@smartx.com>
Message-Id: <20250416024729.3289157-2-haoqian.he@smartx.com> Tested-by: Lei Yang <leiyang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Stephen Bates [Tue, 15 Apr 2025 16:29:56 +0000 (10:29 -0600)]
pci-testdev.c: Add membar-backed option for backing membar
The pci-testdev device allows for an optional BAR. We have
historically used this without backing to test that systems and OSes
can accomodate large PCI BARs. However to help test p2pdma operations
it is helpful to add an option to back this BAR with host memory.
We add a membar-backed boolean parameter and when set to true or on we
do a host RAM backing. The default is false which ensures backward
compatability.
Signed-off-by: Stephen Bates <sbates@raithlin.com>
Message-Id: <Z_6JhDtn5PlaDgB_@MKMSTEBATES01.amd.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Akihiko Odaki [Fri, 14 Mar 2025 06:14:54 +0000 (15:14 +0900)]
pcie_sriov: Allow user to create SR-IOV device
A user can create a SR-IOV device by specifying the PF with the
sriov-pf property of the VFs. The VFs must be added before the PF.
A user-creatable VF must have PCIDeviceClass::sriov_vf_user_creatable
set. Such a VF cannot refer to the PF because it is created before the
PF.
A PF that user-creatable VFs can be attached calls
pcie_sriov_pf_init_from_user_created_vfs() during realization and
pcie_sriov_pf_exit() when exiting.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20250314-sriov-v9-5-57dae8ae3ab5@daynix.com> Tested-by: Yui Washizu <yui.washidu@gmail.com> Tested-by: Pasha Tatashin <pasha.tatashin@soleen.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Akihiko Odaki [Fri, 14 Mar 2025 06:14:51 +0000 (15:14 +0900)]
hw/pci: Fix SR-IOV VF number calculation
pci_config_get_bar_addr() had a division by vf_stride. vf_stride needs
to be non-zero when there are multiple VFs, but the specification does
not prohibit to make it zero when there is only one VF.
Do not perform the division for the first VF to avoid division by zero.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20250314-sriov-v9-2-57dae8ae3ab5@daynix.com> Tested-by: Yui Washizu <yui.washidu@gmail.com> Tested-by: Pasha Tatashin <pasha.tatashin@soleen.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Yuquan Wang [Wed, 5 Mar 2025 09:24:59 +0000 (09:24 +0000)]
docs/cxl: Add serial number for persistent-memdev
Add serial number parameter in the cxl persistent examples.
Signed-off-by: Yuquan Wang <wangyuquan1236@phytium.com.cn> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20250305092501.191929-9-Jonathan.Cameron@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Sweta Kumari [Wed, 5 Mar 2025 09:24:57 +0000 (09:24 +0000)]
hw/cxl/cxl-mailbox-utils: CXL CCI Get/Set alert config commands
1) get alert configuration(Opcode 4201h)
2) set alert configuration(Opcode 4202h)
Signed-off-by: Sweta Kumari <s5.kumari@samsung.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20250305092501.191929-7-Jonathan.Cameron@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
hw/cxl/cxl-mailbox-utils: Media operations Sanitize and Write Zeros commands CXL r3.2(8.2.10.9.5.3)
CXL spec 3.2 section 8.2.10.9.5.3 describes media operations commands.
CXL devices supports media operations Sanitize and Write zero command.
Signed-off-by: Vinayak Holikatti <vinayak.kh@samsung.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20250305092501.191929-6-Jonathan.Cameron@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
hw/cxl: factor out calculation of sanitize duration from cmd_santize_overwrite
Move the code of calculation of sanitize duration into function
for usability by other sanitize routines
Estimate times based on:
https://pmem.io/documents/NVDIMM_DSM_Interface-V1.8.pdf
Signed-off-by: Davidlohr Bueso <dave@stgolabs.net> Signed-off-by: Vinayak Holikatti <vinayak.kh@samsung.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20250305092501.191929-5-Jonathan.Cameron@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
hw/cxl/cxl-mailbox-utils: Add support for Media operations discovery commands cxl r3.2 (8.2.10.9.5.3)
CXL spec 3.2 section 8.2.10.9.5.3 describes media operations commands.
CXL devices supports media operations discovery command.
Signed-off-by: Vinayak Holikatti <vinayak.kh@samsung.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20250305092501.191929-4-Jonathan.Cameron@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Davidlohr Bueso [Wed, 5 Mar 2025 09:24:53 +0000 (09:24 +0000)]
hw/cxl: Support get/set mctp response payload size
Add Get/Set Response Message Limit commands.
Signed-off-by: Davidlohr Bueso <dave@stgolabs.net> Reviewed-by: Fan Ni <fan.ni@samsung.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20250305092501.191929-3-Jonathan.Cameron@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Davidlohr Bueso [Wed, 5 Mar 2025 09:24:52 +0000 (09:24 +0000)]
hw/cxl: Support aborting background commands
As of 3.1 spec, background commands can be canceled with a new
abort command. Implement the support, which is advertised in
the CEL. No ad-hoc context undoing is necessary as all the
command logic of the running bg command is done upon completion.
Arbitrarily, the on-going background cmd will not be aborted if
already at least 85% done;
A mutex is introduced to stabilize mbox request cancel command vs
the timer callback being fired scenarios (as well as reading the
mbox registers). While some operations under critical regions
may be unnecessary (irq notifying, cmd callbacks), this is not
a path where performance is important, so simplicity is preferred.
Tested-by: Ajay Joshi <ajay.opensrc@micron.com> Reviewed-by: Ajay Joshi <ajay.opensrc@micron.com> Signed-off-by: Davidlohr Bueso <dave@stgolabs.net> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20250305092501.191929-2-Jonathan.Cameron@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Xianglai Li [Tue, 6 May 2025 08:09:46 +0000 (16:09 +0800)]
hw/loongarch/boot: Adjust the loading position of the initrd
When only the -kernel parameter is used to load the elf kernel, the initrd
is loaded in the ram. If the initrd size is too large, the loading fails,
resulting in a VM startup failure. This patch first loads initrd near
the kernel.
When the nearby memory space of the kernel is insufficient, it tries to
load it to the starting position of high memory. If there is still not
enough, qemu will report an error and ask the user to increase the memory
space for the virtual machine to boot.
Signed-off-by: Xianglai Li <lixianglai@loongson.cn>
Message-Id: <20250506080946.817092-1-lixianglai@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:37:54 +0000 (10:37 +0800)]
hw/intc/loongarch_pch: Merge three memory region into one
Since memory region iomem supports memory access size with 1/2/4/8,
it can be used for memory region iomem8 and iomem32_high. Now remove
memory region iomem8 and iomem32_high, merge them into iomem together.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023754.1877445-5-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:37:53 +0000 (10:37 +0800)]
hw/intc/loongarch_pch: Set flexible memory access size with iomem region
The original iomem region only supports 4 bytes access size, set it ok
with 1/2/4/8 bytes. Also unaligned memory access is not supported.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023754.1877445-4-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:37:52 +0000 (10:37 +0800)]
hw/intc/loongarch_pch: Rename memory region iomem32_low with iomem
Rename memory region iomem32_low with iomem, also change ops name
as follows:
loongarch_pch_pic_reg32_low_ops --> loongarch_pch_pic_ops
loongarch_pch_pic_low_readw --> loongarch_pch_pic_read
loongarch_pch_pic_low_writew --> loongarch_pch_pic_write
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023754.1877445-3-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:37:51 +0000 (10:37 +0800)]
hw/intc/loongarch_pch: Use unified trace event for memory region ops
Add trace event trace_loongarch_pch_pic_read(), replaces the following
three events:
trace_loongarch_pch_pic_low_readw()
trace_loongarch_pch_pic_high_readw()
trace_loongarch_pch_pic_readb()
The similiar with write trace event.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023754.1877445-2-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:37:50 +0000 (10:37 +0800)]
hw/intc/loongarch_pch: Use generic write callback for iomem8 region
Add iomem8 region register write operation emulation in generic write
function loongarch_pch_pic_write(), and use this function for iomem8
region.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023754.1877445-1-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:43 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Use generic write callback for iomem32_high region
Add iomem32_high region register write operation emulation in generic
write function loongarch_pch_pic_write(), and use this function for
iomem32_high region.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-12-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:42 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Use generic write callback for iomem32_low region
For memory region iomem32_low, generic write callback is used.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-11-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:41 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Use generic read callback for iomem8 region
Add iomem8 region register read operation emulation in generic read
function loongarch_pch_pic_read(), and use this function for iomem8
region.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-10-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:40 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Use generic read callback for iomem32_high region
Add register read operation emulation in generic read function
loongarch_pch_pic_read(), and use this function for iomem32_high region.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-9-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:39 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Use generic read callback for iomem32_low region
For memory region iomem32_low, generic read callback is used.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-8-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:38 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Discard write operation with ISR register
With the latest 7A1000 user manual, interrupt status register ISR is
read only. Here discard write operation with ISR register.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-7-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:37 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Use relative address in MemoryRegionOps
Parameter address for read and write callback in MemoryRegionOps is
relative offset with base address of this MemoryRegionOps. It can
be directly used as offset and offset calculation can be removed.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-6-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:36 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Set version information at initial stage
Register PCH_PIC_INT_ID constains version and supported irq number
information, and it is read only register. The detailed value can
be set at initial stage, rather than read callback.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-5-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:35 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Remove some duplicate macro
The meaning of macro definition STATUS_LO_START is simliar with
PCH_PIC_INT_STATUS, only that offset is different, the same for
macro POL_LO_START. Now remove these duplicated macro definitions.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-4-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:34 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Modify register name PCH_PIC_xxx_OFFSET with PCH_PIC_xxx
Macro PCH_PIC_HTMSI_VEC_OFFSET and PCH_PIC_ROUTE_ENTRY_OFFSET is renamed
as PCH_PIC_HTMSI_VEC and PCH_PIC_ROUTE_ENTRY separately, it is easier to
understand.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Clement Mathieu--Drif <clement.mathieu--drif@eviden.com> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-3-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:33 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Modify name of some registers
For some registers with width 8 bytes, its name is something like
PCH_PIC_INT_ID_LO and PCH_PIC_INT_ID_HI. From hardware manual,
register name is PCH_PIC_INT_ID instead. Here name PCH_PIC_INT_ID
is used, and PCH_PIC_INT_ID + 4 is used for PCH_PIC_INT_ID_HI.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Clement Mathieu--Drif <clement.mathieu--drif@eviden.com> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-2-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Fabiano Rosas [Fri, 9 May 2025 17:49:38 +0000 (14:49 -0300)]
s390x: Fix leak in machine_set_loadparm
ASAN spotted a leaking string in machine_set_loadparm():
Direct leak of 9 byte(s) in 1 object(s) allocated from:
#0 0x560ffb5bb379 in malloc ../projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:69:3
#1 0x7f1aca926518 in g_malloc ../glib/gmem.c:106
#2 0x7f1aca94113e in g_strdup ../glib/gstrfuncs.c:364
#3 0x560ffc8afbf9 in qobject_input_type_str ../qapi/qobject-input-visitor.c:542:12
#4 0x560ffc8a80ff in visit_type_str ../qapi/qapi-visit-core.c:349:10
#5 0x560ffbe6053a in machine_set_loadparm ../hw/s390x/s390-virtio-ccw.c:802:10
#6 0x560ffc0c5e52 in object_property_set ../qom/object.c:1450:5
#7 0x560ffc0d4175 in object_property_set_qobject ../qom/qom-qobject.c:28:10
#8 0x560ffc0c6004 in object_property_set_str ../qom/object.c:1458:15
#9 0x560ffbe2ae60 in update_machine_ipl_properties ../hw/s390x/ipl.c:569:9
#10 0x560ffbe2aa65 in s390_ipl_update_diag308 ../hw/s390x/ipl.c:594:5
#11 0x560ffbdee132 in handle_diag_308 ../target/s390x/diag.c:147:9
#12 0x560ffbebb956 in helper_diag ../target/s390x/tcg/misc_helper.c:137:9
#13 0x7f1a3c51c730 (/memfd:tcg-jit (deleted)+0x39730)
Cc: qemu-stable@nongnu.org Signed-off-by: Fabiano Rosas <farosas@suse.de>
Message-ID: <20250509174938.25935-1-farosas@suse.de> Fixes: 1fd396e3228 ("s390x: Register TYPE_S390_CCW_MACHINE properties as class properties") Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Thomas Huth <thuth@redhat.com>
Thomas Huth [Tue, 6 May 2025 06:21:48 +0000 (08:21 +0200)]
hw/s390x/s390-virtio-ccw: Remove the deprecated 4.0 machine type
The s390-ccw-virtio-4.0 machine is older than 6 years, so according to
our machine support policy, it can be removed now. The corresponding
v4.0 CPU feature group gets merged into the minimum feature group now.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250506062148.306084-10-thuth@redhat.com> Reviewed-by: Eric Farman <farman@linux.ibm.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Thomas Huth [Tue, 6 May 2025 06:21:47 +0000 (08:21 +0200)]
hw/s390x/s390-virtio-ccw: Remove the deprecated 3.1 machine type
The s390-ccw-virtio-3.1 machine is older than 6 years, so according to
our machine support policy, it can be removed now. The v3.1 CPU feature
group gets merged into the minimum CPU feature group now.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250506062148.306084-9-thuth@redhat.com> Reviewed-by: Eric Farman <farman@linux.ibm.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Thomas Huth [Tue, 6 May 2025 06:21:46 +0000 (08:21 +0200)]
hw/s390x: Remove the obsolete hpage_1m_allowed switch
The s390-ccw-virtio-3.0 machine was the last one that used the
hpage_1m_allowed switch. Since we removed this machine type, we
can now remove the switch and the related code, too. This allows
us to get rid of the get_machine_class() hack and the big fat
warning comment there.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250506062148.306084-8-thuth@redhat.com> Reviewed-by: Eric Farman <farman@linux.ibm.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Thomas Huth [Tue, 6 May 2025 06:21:45 +0000 (08:21 +0200)]
hw/s390x/s390-virtio-ccw: Remove the deprecated 3.0 machine type
The s390-ccw-virtio-3.0 machine is older than 6 years, so according to
our machine support policy, it can be removed now.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250506062148.306084-7-thuth@redhat.com> Reviewed-by: Eric Farman <farman@linux.ibm.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Thomas Huth [Tue, 6 May 2025 06:21:44 +0000 (08:21 +0200)]
hw/s390x/s390-virtio-ccw: Remove the deprecated 2.12 machine type
The s390-ccw-virtio-2.12 machine is older than 6 years, so according to
our machine support policy, it can be removed now.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250506062148.306084-6-thuth@redhat.com> Reviewed-by: Eric Farman <farman@linux.ibm.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Thomas Huth [Tue, 6 May 2025 06:21:43 +0000 (08:21 +0200)]
target/s390x: Rename the qemu_V2_11 feature set to qemu_MIN
Now that the v2.11 machine type has been removed, it does not make
sense to keep the qemu_V2_11 feature set around. This is rather
the (minimum) feature set of the oldest supported machine now, so
rename it to qemu_MIN.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250506062148.306084-5-thuth@redhat.com> Reviewed-by: Eric Farman <farman@linux.ibm.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Thomas Huth [Tue, 6 May 2025 06:21:42 +0000 (08:21 +0200)]
hw/s390x/event-facility: Remove the obsolete "allow_all_mask_sizes" code
Now that the machine types 2.11 and older have been removed, we
don't need the "allow_all_mask_sizes" compatibility handling code
anymore and can remove it now.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250506062148.306084-4-thuth@redhat.com> Reviewed-by: Eric Farman <farman@linux.ibm.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Thomas Huth [Tue, 6 May 2025 06:21:41 +0000 (08:21 +0200)]
hw/s390x/s390-virtio-ccw: Remove the deprecated 2.11 machine type
The s390-ccw-virtio-2.11 machine is older than 6 years, so according
to our machine support policy, it can be removed now.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250506062148.306084-3-thuth@redhat.com> Reviewed-by: Eric Farman <farman@linux.ibm.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Thomas Huth [Tue, 6 May 2025 06:21:40 +0000 (08:21 +0200)]
hw/s390x/s390-virtio-ccw: Remove the deprecated 2.10 machine type
The s390-ccw-virtio-2.10 machine is older than 6 years, so according
to our machine support policy, it can be removed now.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250506062148.306084-2-thuth@redhat.com> Reviewed-by: Eric Farman <farman@linux.ibm.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Pawan Gupta [Mon, 12 May 2025 17:26:04 +0000 (10:26 -0700)]
target/i386: Make ITS_NO available to guests
When a system is not affected by Indirect Target Selection (ITS)
vulnerability, VMMs set ITS_NO bit in MSR IA32_ARCH_CAPABILITIES to let the
guest know that it is not affected.
Zheng Huang [Fri, 9 May 2025 11:21:35 +0000 (19:21 +0800)]
hw/audio/cs4231a: fix assertion error in isa_bus_get_irq
This patch fixes an assertion error in isa_bus_get_irq() in
/hw/isa/isa-bus.c by adding a constraint to the irq property.
Patch v1 misused ISA_NUM_IRQS, pls ignore that.
While Bochs's algorithms are pretty solid, there are small opportunities
to improve them or to make their logic more similar to TCG's handling
of condition codes.
- use a single bit for the difference between bits 0..7 of result and PF.
This is useful because "set only ZF" is not a common case.
- place SD in the same place as SF
- move CF and PO at bits 62 and 63 when target_ulong is 64-bits wide,
so that 64-bit ALU operations need fewer shifts
- use rotates to move CF and AF from auxbits to their eflags position
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
decode->op[N].ptr can contain either a host pointer (!) in CPUState
or a guest virtual address. Pass the whole struct to read_val_ext
and write_val_ext, so that it can decide the contents based on the
operand type.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 8 May 2025 08:29:43 +0000 (10:29 +0200)]
rust: pl011: Really use RX FIFO depth
While we model a 16-elements RX FIFO since the PL011 model was
introduced in commit cdbdb648b7c ("ARM Versatile Platform Baseboard
emulation"), we only read 1 char at a time!
Have can_receive() return how many elements are available, and use that
in receive().
This is the Rust version of commit 3e0f118f825 ("hw/char/pl011: Really
use RX FIFO depth"); but it also adds back a comment that is present
in commit f576e0733cc ("hw/char/pl011: Add support for loopback") and
absent in the Rust code.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
blockdev-backup: Add error handling option for copy-before-write jobs
This patch extends the blockdev-backup QMP command to allow users to specify
how to behave when IO errors occur during copy-before-write operations.
Previously, the behavior was fixed and could not be controlled by the user.
The new 'on-cbw-error' option can be set to one of two values:
- 'break-guest-write': Forwards the IO error to the guest and triggers
the on-source-error policy. This preserves snapshot integrity at the
expense of guest IO operations.
- 'break-snapshot': Allows the guest OS to continue running normally,
but invalidates the snapshot and aborts related jobs. This prioritizes
guest operation over backup consistency.
This enhancement provides more flexibility for backup operations in different
environments where requirements for guest availability versus backup
consistency may vary.
The default behavior remains unchanged to maintain backward compatibility.
Signed-off-by: Raman Dzehtsiar <Raman.Dzehtsiar@gmail.com>
Message-ID: <20250414090025.828660-1-Raman.Dzehtsiar@gmail.com> Acked-by: Markus Armbruster <armbru@redhat.com>
[vsementsov: fix long lines] Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> Tested-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Stefan Hajnoczi [Mon, 12 May 2025 15:11:37 +0000 (11:11 -0400)]
Merge tag 'qtest-20250509-pull-request' of https://gitlab.com/farosas/qemu into staging
Qtest pull request
- Fix migration-test invocation of qtest_init
- Simplify byte-swapping for virtio in libqos
- New cpu hotplug test for loongarch64
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# gpg: Signature made Fri 09 May 2025 17:16:40 EDT
# gpg: using RSA key AA1B48B0A22326A5A4C364CFC798DC741BEC319D
# gpg: issuer "farosas@suse.de"
# gpg: Good signature from "Fabiano Rosas <farosas@suse.de>" [unknown]
# gpg: aka "Fabiano Almeida Rosas <fabiano.rosas@suse.com>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: AA1B 48B0 A223 26A5 A4C3 64CF C798 DC74 1BEC 319D
* tag 'qtest-20250509-pull-request' of https://gitlab.com/farosas/qemu:
tests/qtest/cpu-plug-test: Add cpu hotplug support for LoongArch
tests/qtest/libqos: Avoid double swapping when using modern virtio
qtest: introduce qtest_init_ext
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Stefan Hajnoczi [Mon, 12 May 2025 15:11:27 +0000 (11:11 -0400)]
Merge tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu into staging
trivial patches for 2025-05-09
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# gpg: Signature made Fri 09 May 2025 16:52:20 EDT
# gpg: using RSA key 64AA2AB531D56903366BFEF982AA4A243B1E9478
# gpg: Good signature from "Michael Tokarev <mjt@debian.org>" [unknown]
# gpg: aka "Michael Tokarev <mjt@corpit.ru>" [unknown]
# gpg: aka "Michael Tokarev <mjt@tls.msk.ru>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 9D8B E14E 3F2A 9DD7 9199 28F1 61AD 3D98 ECDF 2C8E
# Subkey fingerprint: 64AA 2AB5 31D5 6903 366B FEF9 82AA 4A24 3B1E 9478
* tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu: (21 commits)
docs/devel/testing/functional: Fix typo
docs: replace `-hda` with `-drive` & update `root=` kernel parameter
qapi/machine-target.json: fix "in in" typo in comment
hw/display/apple-gfx.m: fix "in in" typo in comment
qapi/qom.json: fix "the the" typo in comment
include/hw/xen/interface/io/blkif.h: fix "the the" typo in comment
include/exec/cpu-common.h: fix "the the" typo in comment
hw/xen/xen-hvm-common.c: fix "the the" typo in comment
block.c: fix "the the" typo in comment
linux-user/mmap.c: fix "of of" typo in comment
hw/acpi/pcihp: Fix typo in function name
hw/pci-host/gpex-acpi: Fix typo in comment
hw/net/e1000: Remove stray empty comment in header
qom/object: Fix typo in comment
hw/core/machine: Fix indentation
hw/i386/acpi-build: Fix typo in function name
hw/acpi/ich9: Remove ICH9_DEBUG macro
hw/i386/acpi-build: Update document reference
hw/i386/acpi-build: Fix typo and grammar in comment
hw/isa/ich9: Remove stray empty comment
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Paolo Bonzini [Thu, 8 May 2025 08:29:42 +0000 (10:29 +0200)]
rust: pl011: Rename RX FIFO methods
In preparation of having a TX FIFO, rename the RX FIFO methods.
This is the Rust version of commit 40871ca758cf ("hw/char/pl011:
Rename RX FIFO methods").
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Fri, 24 May 2024 09:26:54 +0000 (11:26 +0200)]
modinfo: lookup compile_commands.json by object
Since modinfo support was added, Meson fixed several issues with
extract_objects and compile_commands.json lookups can be simplified.
If the lookup uses the object file as key, there is no need to use the
command line to distinguish among all entries for a given source.
Ninja 1.9 is required in order to produce the 'output' key in
compile_commands.json; it is available in CentOS Stream 9, Debian 11, SLES
15.2, Ubuntu 20.04 and in all recent BSD distros. Samurai also has it.
Paolo Bonzini [Thu, 8 May 2025 13:13:38 +0000 (15:13 +0200)]
meson: remove unnecessary dependencies from specific_ss
All dependencies that are in common_ss (which includes system_ss) automatically
have their include path added when building the target-specific files. So the
hack in ui/meson.build is not needed anymore since commit 727bb5b477e ("meson:
pick libfdt from common_ss when building target-specific files", 2024-05-10);
drop it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Mon, 9 May 2022 10:50:29 +0000 (12:50 +0200)]
meson: do not check supported TCG architecture if no emulators built
Errors about TCI are pointless if only tools are being built; suppress
them even if the user did not specify --disable-tcg.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Fri, 5 Jul 2024 07:12:20 +0000 (09:12 +0200)]
meson: drop --enable-avx* options
Just detect compiler support and always enable the optimizations if
it is avilable; warn if the user did request AVX2/AVX512 use via
-Dx86_version= but the intrinsics are not available.
Suggested-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Integral [Sun, 6 Apr 2025 08:45:18 +0000 (16:45 +0800)]
docs: replace `-hda` with `-drive` & update `root=` kernel parameter
According to QEMU manual:
Older options like `-hda` are essentially macros which expand into
`-drive` options for various drive interfaces. The original forms
bake in a lot of assumptions from the days when QEMU was emulating a
legacy PC, they are not recommended for modern configurations.
Signed-off-by: Integral <integral@archlinuxcn.org> Reviewed-by: Michael Tokarev <mjt@tls.msk.ru> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Gustavo Romero [Sun, 4 May 2025 21:56:39 +0000 (21:56 +0000)]
hw/acpi/ich9: Remove ICH9_DEBUG macro
Remove the ICH9_DEBUG macro, which is only used to dump the value of the
pm_io_base parameter, passed to ich9_pm_iospace_update(). It provides
little to no value and is not worth converting to a trace event.
Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org> Reviewed-by: Michael Tokarev <mjt@tls.msk.ru> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Bibo Mao [Fri, 14 Mar 2025 08:51:30 +0000 (16:51 +0800)]
tests/qtest/cpu-plug-test: Add cpu hotplug support for LoongArch
Add cpu hotplug testcase support for LoongArch system, it passes to
run with command "make check-qtest-loongarch64" as following:
qemu:qtest+qtest-loongarch64 / qtest-loongarch64/cpu-plug-test OK 0.38s 1 subtests passed
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20250314085130.4184272-1-maobibo@loongson.cn> Signed-off-by: Fabiano Rosas <farosas@suse.de>
Thomas Huth [Wed, 30 Apr 2025 13:28:17 +0000 (15:28 +0200)]
tests/qtest/libqos: Avoid double swapping when using modern virtio
The logic in the qvirtio_read/write function is rather a headache,
involving byte-swapping when the target is big endian, just to
maybe involve another byte-swapping in the qtest_read/write
function immediately afterwards (on the QEMU side). Let's do it in
a more obvious way here: For virtio 1.0, we know that the values have
to be little endian, so let's read/write the bytes in that well known
order here.
Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-ID: <20250430132817.610903-1-thuth@redhat.com> Signed-off-by: Fabiano Rosas <farosas@suse.de>
Merge qtest_init_with_env_and_capabilities() and qtest_init_with_env()
into one qtest_init_ext().
Reasons:
1. qtest_init_with_env() is just wrong: it gets do_connect parameter
but always pass true to qtest_init_with_env_and_capabilities().
Happily, all qtest_init_with_env() callers pass true as well.
2. qtest_init_with_env() is not used outside of libqtest.c, so no
reason to keep it as public function
3. and in libqtest.c it's used not often, so no problem to use
more generic function instead.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Steve Sistare <steven.sistare@oracle.com> Reviewed-by: Fabiano Rosas <farosas@suse.de>
Message-ID: <20250410162250.329941-1-vsementsov@yandex-team.ru> Signed-off-by: Fabiano Rosas <farosas@suse.de>
Stefan Hajnoczi [Fri, 9 May 2025 16:04:34 +0000 (12:04 -0400)]
Merge tag 'pull-vfio-20250509' of https://github.com/legoater/qemu into staging
vfio queue:
* Preparatory changes for the introduction of CPR support
* Automatic enablement of OpRegion for IGD device passthrough
* Linux headers update
* Preparatory changes for the introduction of vfio-user
Stefan Hajnoczi [Fri, 9 May 2025 16:04:27 +0000 (12:04 -0400)]
Merge tag 'docs-dep-pull-request' of https://gitlab.com/berrange/qemu into staging
Enable automated removal of deprecated versioned machine types
* Remove test relying on 4.1 machine type that is about to
be disabled
* Fix off-by-1 in deprecation/removal logic for versioned
machine types to cope with dev/rc versions
* Enable logic for disabling registration of versioned machine
types which have exceeded the 6 year lifetime policy.
* Add automated version information to documentation about which
versioned machine types are deprecated and removed
* tag 'docs-dep-pull-request' of https://gitlab.com/berrange/qemu:
include/hw/boards: add warning about changing deprecation logic
docs/about/removed-features: auto-generate a note for versioned machine types
docs/about/deprecated: auto-generate a note for versioned machine types
include/hw/boards: cope with dev/rc versions in deprecation checks
Revert "include/hw: temporarily disable deletion of versioned machine types"
tests/qtest/q35-test: Remove the obsolete test_without_smram_base test
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* tag 'block-pull-request' of https://gitlab.com/stefanha/qemu:
block/nvme: Use host PCI MMIO API
include: Add a header to define host PCI MMIO functions
util: Add functions for s390x mmio read/write
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Stefan Hajnoczi [Fri, 9 May 2025 16:04:10 +0000 (12:04 -0400)]
Merge tag 'hw-misc-20250508' of https://github.com/philmd/qemu into staging
Misc HW patches
- Allow using plugins on BSD user-emulation
- Inline VMSTATE_CPU() macro
- Fix header includes for HVF x86
- Build hw/hyperv/ files once
- Various typo fixed
- Fix issue in i.MX I2C model
* tag 'hw-misc-20250508' of https://github.com/philmd/qemu:
hw/i2c/imx: Always set interrupt status bit if interrupt condition occurs
hw/i386/acpi-build: Fix typo and grammar in comment
hw/i386/acpi-build: Update document reference
hw/i386/acpi-build: Fix build_append_notfication_callback typo
hw/acpi/ged: Fix wrong identation
hw/pci/pcie_port: Fix pcie_slot_is_hotpluggbale_bus typo
hw/hyperv/hyperv: common compilation unit
hw/hyperv/hyperv_testdev: common compilation unit
hw/hyperv/balloon: common balloon compilation units
hw/hyperv/syndbg: common compilation unit
hw/hyperv/vmbus: common compilation unit
hw/hyperv/hyperv.h: header cleanup
hw/hyperv/hv-balloon-stub: common compilation unit
system/hvf: Expose hvf_enabled() to common code
system/hvf: Avoid including 'cpu.h'
accel/hvf: Include missing 'hw/core/cpu.h' header
target/migration: Inline VMSTATE_CPU()
qom: Factor qom_resolve_path() out
bsd-user: add option to enable plugins
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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