diff options
| author | Michael Margolin <mrgolin@amazon.com> | 2024-05-06 18:18:29 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2024-05-08 11:18:26 +0300 |
| commit | 2b8af5001abdf583da3a63201cc6137553019515 (patch) | |
| tree | ec1ce23fa2f44c795fd822c6ac88e4b492a89018 /include/uapi | |
| parent | f483f6a29d4d701f1641898463e93d081bb03b52 (diff) | |
| download | linux-2b8af5001abdf583da3a63201cc6137553019515.tar.xz | |
RDMA/efa: Support QP with unsolicited write w/ imm. receive
Add a new EFA flags attribute for QP creation, and support unsolicited
write with immediate flag. QPs created with this flag set will not
consume receive work requests for incoming RDMA write with immediate.
Expose device capability bit for this feature support.
Reviewed-by: Daniel Kranzdorf <dkkranzd@amazon.com>
Reviewed-by: Firas Jahjah <firasj@amazon.com>
Signed-off-by: Michael Margolin <mrgolin@amazon.com>
Link: https://lore.kernel.org/r/20240506151829.6475-1-mrgolin@amazon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/rdma/efa-abi.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/uapi/rdma/efa-abi.h b/include/uapi/rdma/efa-abi.h index 701e2d567e41..d689b8b34189 100644 --- a/include/uapi/rdma/efa-abi.h +++ b/include/uapi/rdma/efa-abi.h @@ -85,11 +85,17 @@ enum { EFA_QP_DRIVER_TYPE_SRD = 0, }; +enum { + EFA_CREATE_QP_WITH_UNSOLICITED_WRITE_RECV = 1 << 0, +}; + struct efa_ibv_create_qp { __u32 comp_mask; __u32 rq_ring_size; /* bytes */ __u32 sq_ring_size; /* bytes */ __u32 driver_qp_type; + __u16 flags; + __u8 reserved_90[6]; }; struct efa_ibv_create_qp_resp { @@ -123,6 +129,7 @@ enum { EFA_QUERY_DEVICE_CAPS_CQ_WITH_SGID = 1 << 3, EFA_QUERY_DEVICE_CAPS_DATA_POLLING_128 = 1 << 4, EFA_QUERY_DEVICE_CAPS_RDMA_WRITE = 1 << 5, + EFA_QUERY_DEVICE_CAPS_UNSOLICITED_WRITE_RECV = 1 << 6, }; struct efa_ibv_ex_query_device_resp { |