diff options
| author | Yishai Hadas <yishaih@nvidia.com> | 2024-08-01 15:05:13 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2024-08-11 11:12:49 +0300 |
| commit | 682358fd35dece838e6ae2d9d6a69fc0b9a9d411 (patch) | |
| tree | 1fd63f15a09e0331714b24dfa2f0368cc4d6a617 /include/rdma | |
| parent | 2e8e631d7a41e3a4edc94f3c9dd5cb32c2aa539e (diff) | |
RDMA/umem: Add support for creating pinned DMABUF umem with a given dma device
Add support for creating pinned DMABUF umem with a specified DMA device
instead of the DMA device of the given IB device.
This API will be utilized in the upcoming patches of the series when
multiple path DMAs are implemented.
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Link: https://patch.msgid.link/038aad36a43797e5591b20ba81051fc5758124f9.1722512548.git.leon@kernel.org
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/ib_umem.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/rdma/ib_umem.h b/include/rdma/ib_umem.h index 565a85044541..de05268ed632 100644 --- a/include/rdma/ib_umem.h +++ b/include/rdma/ib_umem.h @@ -150,6 +150,11 @@ struct ib_umem_dmabuf *ib_umem_dmabuf_get_pinned(struct ib_device *device, unsigned long offset, size_t size, int fd, int access); +struct ib_umem_dmabuf * +ib_umem_dmabuf_get_pinned_with_dma_device(struct ib_device *device, + struct device *dma_device, + unsigned long offset, size_t size, + int fd, int access); int ib_umem_dmabuf_map_pages(struct ib_umem_dmabuf *umem_dmabuf); void ib_umem_dmabuf_unmap_pages(struct ib_umem_dmabuf *umem_dmabuf); void ib_umem_dmabuf_release(struct ib_umem_dmabuf *umem_dmabuf); @@ -196,6 +201,16 @@ ib_umem_dmabuf_get_pinned(struct ib_device *device, unsigned long offset, { return ERR_PTR(-EOPNOTSUPP); } + +static inline struct ib_umem_dmabuf * +ib_umem_dmabuf_get_pinned_with_dma_device(struct ib_device *device, + struct device *dma_device, + unsigned long offset, size_t size, + int fd, int access) +{ + return ERR_PTR(-EOPNOTSUPP); +} + static inline int ib_umem_dmabuf_map_pages(struct ib_umem_dmabuf *umem_dmabuf) { return -EOPNOTSUPP; |