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| author | Yi Liu <yi.l.liu@intel.com> | 2022-11-11 03:57:01 +0100 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2022-12-05 13:56:01 +0100 |
| commit | 8da7a0e79f9b15330ae68d8532425399f4c27045 (patch) | |
| tree | d08374512e4b256f706c14db3157a10744a78996 /drivers/vfio/vfio.h | |
| parent | vfio: Wrap vfio group module init/clean code into helpers (diff) | |
| download | linux-8da7a0e79f9b15330ae68d8532425399f4c27045.tar.xz linux-8da7a0e79f9b15330ae68d8532425399f4c27045.zip | |
vfio: Refactor dma APIs for emulated devices
To use group helpers instead of opening group related code in the
API. This prepares moving group specific code out of vfio_main.c.
Link: https://lore.kernel.org/r/20221201145535.589687-10-yi.l.liu@intel.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Tested-by: Lixiao Yang <lixiao.yang@intel.com>
Tested-by: Yu He <yu.he@intel.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/vfio/vfio.h')
| -rw-r--r-- | drivers/vfio/vfio.h | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/drivers/vfio/vfio.h b/drivers/vfio/vfio.h index ce5fe3fc493b..a112e8f2b291 100644 --- a/drivers/vfio/vfio.h +++ b/drivers/vfio/vfio.h @@ -122,13 +122,14 @@ int vfio_container_attach_group(struct vfio_container *container, void vfio_group_detach_container(struct vfio_group *group); void vfio_device_container_register(struct vfio_device *device); void vfio_device_container_unregister(struct vfio_device *device); -int vfio_container_pin_pages(struct vfio_container *container, - struct iommu_group *iommu_group, dma_addr_t iova, - int npage, int prot, struct page **pages); -void vfio_container_unpin_pages(struct vfio_container *container, - dma_addr_t iova, int npage); -int vfio_container_dma_rw(struct vfio_container *container, dma_addr_t iova, - void *data, size_t len, bool write); +int vfio_device_container_pin_pages(struct vfio_device *device, + dma_addr_t iova, int npage, + int prot, struct page **pages); +void vfio_device_container_unpin_pages(struct vfio_device *device, + dma_addr_t iova, int npage); +int vfio_device_container_dma_rw(struct vfio_device *device, + dma_addr_t iova, void *data, + size_t len, bool write); int __init vfio_container_init(void); void vfio_container_cleanup(void); @@ -166,22 +167,21 @@ static inline void vfio_device_container_unregister(struct vfio_device *device) { } -static inline int vfio_container_pin_pages(struct vfio_container *container, - struct iommu_group *iommu_group, - dma_addr_t iova, int npage, int prot, - struct page **pages) +static inline int vfio_device_container_pin_pages(struct vfio_device *device, + dma_addr_t iova, int npage, + int prot, struct page **pages) { return -EOPNOTSUPP; } -static inline void vfio_container_unpin_pages(struct vfio_container *container, - dma_addr_t iova, int npage) +static inline void vfio_device_container_unpin_pages(struct vfio_device *device, + dma_addr_t iova, int npage) { } -static inline int vfio_container_dma_rw(struct vfio_container *container, - dma_addr_t iova, void *data, size_t len, - bool write) +static inline int vfio_device_container_dma_rw(struct vfio_device *device, + dma_addr_t iova, void *data, + size_t len, bool write) { return -EOPNOTSUPP; } |