diff options
| author | Daniel Kranzdorf <dkkranzd@amazon.com> | 2019-11-21 16:15:09 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-11-25 10:31:48 -0400 |
| commit | 666e8ff535d401eb286fa20446e55ae984d91049 (patch) | |
| tree | dc47d090c6a880a268a1c1070bb363d3b60bb764 /drivers/infiniband/hw/efa/efa_com_cmd.c | |
| parent | e6c4f3ff434c8b336662a2053d48ce677c9fd608 (diff) | |
RDMA/efa: Expose RDMA read related attributes
Query the device attributes for RDMA operations, including maximum
transfer size and maximum number of SGEs per RDMA WR, and report them
back to the userspace library.
Link: https://lore.kernel.org/r/20191121141509.59297-4-galpress@amazon.com
Signed-off-by: Daniel Kranzdorf <dkkranzd@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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 520c9d920f9e..e20bd84a1014 100644 --- a/drivers/infiniband/hw/efa/efa_com_cmd.c +++ b/drivers/infiniband/hw/efa/efa_com_cmd.c @@ -444,6 +444,8 @@ int efa_com_get_device_attr(struct efa_com_dev *edev, result->phys_addr_width = resp.u.device_attr.phys_addr_width; result->virt_addr_width = resp.u.device_attr.virt_addr_width; result->db_bar = resp.u.device_attr.db_bar; + result->max_rdma_size = resp.u.device_attr.max_rdma_size; + result->device_caps = resp.u.device_attr.device_caps; if (result->admin_api_version < 1) { ibdev_err_ratelimited( @@ -477,6 +479,7 @@ int efa_com_get_device_attr(struct efa_com_dev *edev, result->max_ah = resp.u.queue_attr.max_ah; result->max_llq_size = resp.u.queue_attr.max_llq_size; result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq; + result->max_wr_rdma_sge = resp.u.queue_attr.max_wr_rdma_sges; err = efa_com_get_feature(edev, &resp, EFA_ADMIN_NETWORK_ATTR); if (err) { |