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| author | Steve Sistare <steven.sistare@oracle.com> | 2025-07-02 14:58:49 -0700 |
|---|---|---|
| committer | Cédric Le Goater <clg@redhat.com> | 2025-07-03 13:42:28 +0200 |
| commit | 06c6a65852af0b7648cdb6ff6cf2e66929a7b5f5 (patch) | |
| tree | f2b11dad33e12652ad153f4bd01048e9287f88d1 /include | |
| parent | a434fd8f6462c1541927d22e07c58425d6cbd84b (diff) | |
| download | qemu-06c6a65852af0b7648cdb6ff6cf2e66929a7b5f5.zip qemu-06c6a65852af0b7648cdb6ff6cf2e66929a7b5f5.tar.gz qemu-06c6a65852af0b7648cdb6ff6cf2e66929a7b5f5.tar.bz2 | |
vfio/iommufd: register container for cpr
Register a vfio iommufd container and device for CPR, replacing the generic
CPR register call with a more specific iommufd register call. Add a
blocker if the kernel does not support IOMMU_IOAS_CHANGE_PROCESS.
This is mostly boiler plate. The fields to to saved and restored are added
in subsequent patches.
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Link: https://lore.kernel.org/qemu-devel/1751493538-202042-13-git-send-email-steven.sistare@oracle.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/vfio/vfio-cpr.h | 12 | ||||
| -rw-r--r-- | include/system/iommufd.h | 1 |
2 files changed, 13 insertions, 0 deletions
diff --git a/include/hw/vfio/vfio-cpr.h b/include/hw/vfio/vfio-cpr.h index fa7d43d..87b4206 100644 --- a/include/hw/vfio/vfio-cpr.h +++ b/include/hw/vfio/vfio-cpr.h @@ -15,7 +15,10 @@ struct VFIOContainer; struct VFIOContainerBase; struct VFIOGroup; +struct VFIODevice; struct VFIOPCIDevice; +struct VFIOIOMMUFDContainer; +struct IOMMUFDBackend; typedef int (*dma_map_fn)(const struct VFIOContainerBase *bcontainer, hwaddr iova, ram_addr_t size, void *vaddr, @@ -44,6 +47,15 @@ bool vfio_cpr_register_container(struct VFIOContainerBase *bcontainer, Error **errp); void vfio_cpr_unregister_container(struct VFIOContainerBase *bcontainer); +bool vfio_iommufd_cpr_register_container(struct VFIOIOMMUFDContainer *container, + Error **errp); +void vfio_iommufd_cpr_unregister_container( + struct VFIOIOMMUFDContainer *container); +bool vfio_iommufd_cpr_register_iommufd(struct IOMMUFDBackend *be, Error **errp); +void vfio_iommufd_cpr_unregister_iommufd(struct IOMMUFDBackend *be); +void vfio_iommufd_cpr_register_device(struct VFIODevice *vbasedev); +void vfio_iommufd_cpr_unregister_device(struct VFIODevice *vbasedev); + int vfio_cpr_group_get_device_fd(int d, const char *name); bool vfio_cpr_container_match(struct VFIOContainer *container, diff --git a/include/system/iommufd.h b/include/system/iommufd.h index db5f2c7..c9c72ff 100644 --- a/include/system/iommufd.h +++ b/include/system/iommufd.h @@ -32,6 +32,7 @@ struct IOMMUFDBackend { /*< protected >*/ int fd; /* /dev/iommu file descriptor */ bool owned; /* is the /dev/iommu opened internally */ + Error *cpr_blocker;/* set if be does not support CPR */ uint32_t users; /*< public >*/ |