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| author | Abhijit Gangurde <abhijit.gangurde@amd.com> | 2026-08-13 16:19:54 +0530 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2026-09-01 06:11:26 -0400 |
| commit | 9951bf4c44c6427f749b4d10dc775c51329296b2 (patch) | |
| tree | d22ce0c1ec7dba605854a9efafb8164a258770cf /include | |
| parent | cee9395acd8043be0644b25c34bfa86623f2b935 (diff) | |
| download | linux-next-9951bf4c44c6427f749b4d10dc775c51329296b2.tar.gz linux-next-9951bf4c44c6427f749b4d10dc775c51329296b2.zip | |
RDMA/ionic: Add RCQ userspace support
Expose the Reorder Completion Queue (RCQ) capability to userspace via
ucontext response using a comp_mask, and allow userspace to specify
ionic specific QP flags during QP creation.
Co-developed-by: Allen Hubbe <allen.hubbe@amd.com>
Signed-off-by: Allen Hubbe <allen.hubbe@amd.com>
Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com>
Link: https://patch.msgid.link/20260813104954.319065-3-abhijit.gangurde@amd.com
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/rdma/ionic-abi.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/uapi/rdma/ionic-abi.h b/include/uapi/rdma/ionic-abi.h index 2c70ac149c4f..3d8d56922a93 100644 --- a/include/uapi/rdma/ionic-abi.h +++ b/include/uapi/rdma/ionic-abi.h @@ -22,6 +22,10 @@ #define IONIC_CMB_WC 8 #define IONIC_CMB_UC 16 +enum ionic_ctx_resp_comp_mask { + IONIC_CTX_CMASK_IONIC_FLAGS = 1 << 0, +}; + struct ionic_ctx_req { __u32 rsvd[2]; }; @@ -46,8 +50,9 @@ struct ionic_ctx_resp { __u8 udma_count; __u8 expdb_mask; __u8 expdb_qtypes; + __u8 rcq_sign_bit; - __u8 rsvd2[3]; + __u16 comp_mask; __aligned_u64 phc_offset; }; @@ -85,6 +90,8 @@ struct ionic_qp_req { __u8 rq_cmb; __u8 udma_mask; __u8 rsvd[3]; + __u32 ionic_flags; + __u32 rsvd_pad; }; struct ionic_qp_resp { |