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 /drivers/infiniband/hw/efa/efa_com_cmd.c | |
| 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 'drivers/infiniband/hw/efa/efa_com_cmd.c')
| -rw-r--r-- | drivers/infiniband/hw/efa/efa_com_cmd.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/efa/efa_com_cmd.c b/drivers/infiniband/hw/efa/efa_com_cmd.c index d3398c7b0bd0..5b9c2b16df0e 100644 --- a/drivers/infiniband/hw/efa/efa_com_cmd.c +++ b/drivers/infiniband/hw/efa/efa_com_cmd.c @@ -32,6 +32,9 @@ int efa_com_create_qp(struct efa_com_dev *edev, params->rq_depth; create_qp_cmd.uar = params->uarn; + if (params->unsolicited_write_recv) + EFA_SET(&create_qp_cmd.flags, EFA_ADMIN_CREATE_QP_CMD_UNSOLICITED_WRITE_RECV, 1); + err = efa_com_cmd_exec(aq, (struct efa_admin_aq_entry *)&create_qp_cmd, sizeof(create_qp_cmd), |