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| author | Li Zhijian <lizhijian@fujitsu.com> | 2022-12-06 16:01:58 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2022-12-10 02:36:02 +0300 |
| commit | ea1bb00ee9a5527b032a6efebe4a879db4cb42bb (patch) | |
| tree | bca18169d6539a50f362093636a6f959035fd212 /drivers/infiniband/sw/rxe/rxe_loc.h | |
| parent | fa1fd682ad3ef35b0e532c3bb14140786d17527c (diff) | |
| download | linux-ea1bb00ee9a5527b032a6efebe4a879db4cb42bb.tar.xz | |
RDMA/rxe: Implement flush execution in responder side
Only the requested placement types that also registered in the destination
memory region are acceptable.
Otherwise, responder will also reply NAK "Remote Access Error" if it
found a placement type violation.
We will persist data via arch_wb_cache_pmem(), which could be
architecture specific.
This commit also adds 2 helpers to update qp.resp from the incoming packet.
Link: https://lore.kernel.org/r/20221206130201.30986-8-lizhijian@fujitsu.com
Reviewed-by: Zhu Yanjun <zyjzyj2000@gmail.com>
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_loc.h')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_loc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_loc.h b/drivers/infiniband/sw/rxe/rxe_loc.h index a22476d27b38..948ce4902b10 100644 --- a/drivers/infiniband/sw/rxe/rxe_loc.h +++ b/drivers/infiniband/sw/rxe/rxe_loc.h @@ -64,6 +64,7 @@ void rxe_mr_init_dma(int access, struct rxe_mr *mr); int rxe_mr_init_user(struct rxe_dev *rxe, u64 start, u64 length, u64 iova, int access, struct rxe_mr *mr); int rxe_mr_init_fast(int max_pages, struct rxe_mr *mr); +int rxe_flush_pmem_iova(struct rxe_mr *mr, u64 iova, int length); int rxe_mr_copy(struct rxe_mr *mr, u64 iova, void *addr, int length, enum rxe_mr_copy_dir dir); int copy_data(struct rxe_pd *pd, int access, struct rxe_dma_info *dma, |