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vfio queue:

Browse source 
* IOMMUFD Dirty Tracking support
 * Fix for a possible SEGV in IOMMU type1 container
 * Dropped initialization of host IOMMU device with mdev devices
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Merge tag 'pull-vfio-20240723-1' of https://github.com/legoater/qemu into staging

vfio queue:

* IOMMUFD Dirty Tracking support
* Fix for a possible SEGV in IOMMU type1 container
* Dropped initialization of host IOMMU device with mdev devices

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# Primary key fingerprint: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* tag 'pull-vfio-20240723-1' of https://github.com/legoater/qemu:
  vfio/common: Allow disabling device dirty page tracking
  vfio/migration: Don't block migration device dirty tracking is unsupported
  vfio/iommufd: Implement VFIOIOMMUClass::query_dirty_bitmap support
  vfio/iommufd: Implement VFIOIOMMUClass::set_dirty_tracking support
  vfio/iommufd: Probe and request hwpt dirty tracking capability
  vfio/{iommufd, container}: Invoke HostIOMMUDevice::realize() during attach_device()
  vfio/iommufd: Add hw_caps field to HostIOMMUDeviceCaps
  vfio/{iommufd,container}: Remove caps::aw_bits
  vfio/iommufd: Introduce auto domain creation
  vfio/ccw: Don't initialize HOST_IOMMU_DEVICE with mdev
  vfio/ap: Don't initialize HOST_IOMMU_DEVICE with mdev
  vfio/iommufd: Return errno in iommufd_cdev_attach_ioas_hwpt()
  backends/iommufd: Extend iommufd_backend_get_device_info() to fetch HW capabilities
  vfio/iommufd: Don't initialize nor set a HOST_IOMMU_DEVICE with mdev
  vfio/pci: Extract mdev check into an helper
  hw/vfio/container: Fix SIGSEV on vfio_container_instance_finalize()

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-07-24 12:58:46 +10:00
commit dd4bc5f1cf
13 changed files with 377 additions and 40 deletions
Download patch file Download diff file Expand all files Collapse all files

17
hw/vfio/common.c
View file

@ -199,6 +199,9 @@ bool vfio_devices_all_device_dirty_tracking(const VFIOContainerBase *bcontainer)
VFIODevice *vbasedev;
QLIST_FOREACH(vbasedev, &bcontainer->device_list, container_next) {
if (vbasedev->device_dirty_page_tracking == ON_OFF_AUTO_OFF) {
return false;
}
if (!vbasedev->dirty_pages_supported) {
return false;
}
@ -1537,7 +1540,7 @@ bool vfio_attach_device(char *name, VFIODevice *vbasedev,
{
const VFIOIOMMUClass *ops =
VFIO_IOMMU_CLASS(object_class_by_name(TYPE_VFIO_IOMMU_LEGACY));
HostIOMMUDevice *hiod;
HostIOMMUDevice *hiod = NULL;
if (vbasedev->iommufd) {
ops = VFIO_IOMMU_CLASS(object_class_by_name(TYPE_VFIO_IOMMU_IOMMUFD));
@ -1545,17 +1548,17 @@ bool vfio_attach_device(char *name, VFIODevice *vbasedev,
assert(ops);
if (!ops->attach_device(name, vbasedev, as, errp)) {
return false;
if (!vbasedev->mdev) {
hiod = HOST_IOMMU_DEVICE(object_new(ops->hiod_typename));
vbasedev->hiod = hiod;
}
hiod = HOST_IOMMU_DEVICE(object_new(ops->hiod_typename));
if (!HOST_IOMMU_DEVICE_GET_CLASS(hiod)->realize(hiod, vbasedev, errp)) {
if (!ops->attach_device(name, vbasedev, as, errp)) {
object_unref(hiod);
ops->detach_device(vbasedev);
vbasedev->hiod = NULL;
return false;
}
vbasedev->hiod = hiod;
return true;
}