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| author | Zhenzhong Duan <zhenzhong.duan@intel.com> | 2025-06-04 14:21:14 +0800 |
|---|---|---|
| committer | Cédric Le Goater <clg@redhat.com> | 2025-06-05 10:40:38 +0200 |
| commit | e50a3ead976d23bd1b4fdf50baea8df2303128a5 (patch) | |
| tree | e55f05ac045a36feeff0eb26f1275e80bd36400b | |
| parent | 98962d62984440a3905e83492c33a854861def0f (diff) | |
| download | qemu-e50a3ead976d23bd1b4fdf50baea8df2303128a5.zip qemu-e50a3ead976d23bd1b4fdf50baea8df2303128a5.tar.gz qemu-e50a3ead976d23bd1b4fdf50baea8df2303128a5.tar.bz2 | |
vfio/iommufd: Implement [at|de]tach_hwpt handlers
Implement [at|de]tach_hwpt handlers in VFIO subsystem. vIOMMU
utilizes them to attach to or detach from hwpt on host side.
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Link: https://lore.kernel.org/qemu-devel/20250604062115.4004200-4-zhenzhong.duan@intel.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
| -rw-r--r-- | hw/vfio/iommufd.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c index 625b174..5903302 100644 --- a/hw/vfio/iommufd.c +++ b/hw/vfio/iommufd.c @@ -815,6 +815,24 @@ static void vfio_iommu_iommufd_class_init(ObjectClass *klass, const void *data) vioc->query_dirty_bitmap = iommufd_query_dirty_bitmap; }; +static bool +host_iommu_device_iommufd_vfio_attach_hwpt(HostIOMMUDeviceIOMMUFD *idev, + uint32_t hwpt_id, Error **errp) +{ + VFIODevice *vbasedev = HOST_IOMMU_DEVICE(idev)->agent; + + return !iommufd_cdev_attach_ioas_hwpt(vbasedev, hwpt_id, errp); +} + +static bool +host_iommu_device_iommufd_vfio_detach_hwpt(HostIOMMUDeviceIOMMUFD *idev, + Error **errp) +{ + VFIODevice *vbasedev = HOST_IOMMU_DEVICE(idev)->agent; + + return iommufd_cdev_detach_ioas_hwpt(vbasedev, errp); +} + static bool hiod_iommufd_vfio_realize(HostIOMMUDevice *hiod, void *opaque, Error **errp) { @@ -869,10 +887,14 @@ hiod_iommufd_vfio_get_page_size_mask(HostIOMMUDevice *hiod) static void hiod_iommufd_vfio_class_init(ObjectClass *oc, const void *data) { HostIOMMUDeviceClass *hiodc = HOST_IOMMU_DEVICE_CLASS(oc); + HostIOMMUDeviceIOMMUFDClass *idevc = HOST_IOMMU_DEVICE_IOMMUFD_CLASS(oc); hiodc->realize = hiod_iommufd_vfio_realize; hiodc->get_iova_ranges = hiod_iommufd_vfio_get_iova_ranges; hiodc->get_page_size_mask = hiod_iommufd_vfio_get_page_size_mask; + + idevc->attach_hwpt = host_iommu_device_iommufd_vfio_attach_hwpt; + idevc->detach_hwpt = host_iommu_device_iommufd_vfio_detach_hwpt; }; static const TypeInfo types[] = { |