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| author | Xiao Yang <yangx.jy@fujitsu.com> | 2022-12-01 15:37:05 +0100 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2022-12-02 00:51:08 +0100 |
| commit | efa2afc3969e166702fd2ae3cfb1a7a195ef3533 (patch) | |
| tree | cb3e1071f79db7b42f97f3e2c2a91beeb4748323 /include/uapi/rdma | |
| parent | IB/hfi1: Switch to netif_napi_add() (diff) | |
| download | linux-efa2afc3969e166702fd2ae3cfb1a7a195ef3533.tar.xz linux-efa2afc3969e166702fd2ae3cfb1a7a195ef3533.zip | |
RDMA: Extend RDMA user ABI to support atomic write
1) Define new atomic write request/completion in userspace.
2) Define new atomic write capability in userspace.
Link: https://lore.kernel.org/r/1669905432-14-2-git-send-email-yangx.jy@fujitsu.com
Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'include/uapi/rdma')
| -rw-r--r-- | include/uapi/rdma/ib_user_verbs.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h index 43672cb1fd57..237814815544 100644 --- a/include/uapi/rdma/ib_user_verbs.h +++ b/include/uapi/rdma/ib_user_verbs.h @@ -466,6 +466,7 @@ enum ib_uverbs_wc_opcode { IB_UVERBS_WC_BIND_MW = 5, IB_UVERBS_WC_LOCAL_INV = 6, IB_UVERBS_WC_TSO = 7, + IB_UVERBS_WC_ATOMIC_WRITE = 9, }; struct ib_uverbs_wc { @@ -784,6 +785,7 @@ enum ib_uverbs_wr_opcode { IB_UVERBS_WR_RDMA_READ_WITH_INV = 11, IB_UVERBS_WR_MASKED_ATOMIC_CMP_AND_SWP = 12, IB_UVERBS_WR_MASKED_ATOMIC_FETCH_AND_ADD = 13, + IB_UVERBS_WR_ATOMIC_WRITE = 15, /* Review enum ib_wr_opcode before modifying this */ }; @@ -1331,6 +1333,8 @@ enum ib_uverbs_device_cap_flags { /* Deprecated. Please use IB_UVERBS_RAW_PACKET_CAP_SCATTER_FCS. */ IB_UVERBS_DEVICE_RAW_SCATTER_FCS = 1ULL << 34, IB_UVERBS_DEVICE_PCI_WRITE_END_PADDING = 1ULL << 36, + /* Atomic write attributes */ + IB_UVERBS_DEVICE_ATOMIC_WRITE = 1ULL << 40, }; enum ib_uverbs_raw_packet_caps { |