diff options
| author | Gal Pressman <galpress@amazon.com> | 2020-07-22 17:03:09 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-07-29 09:23:39 -0300 |
| commit | 556c811f24b30cc883733a2eaf9e939817589231 (patch) | |
| tree | 23a6239e9d1a29baca816d4b970383c6e5a1906c /drivers/infiniband/hw/efa/efa_com_cmd.h | |
| parent | c804af2c1d3152c0cf877eeb50d60c2d49ac0cf0 (diff) | |
RDMA/efa: Expose maximum TX doorbell batch
The device reports the maximum number of bytes to be written before
ringing the doorbell (zero means unlimited).
This patch queries the max batch size and reports it back to the userspace
library.
Link: https://lore.kernel.org/r/20200722140312.3651-2-galpress@amazon.com
Reviewed-by: Daniel Kranzdorf <dkkranzd@amazon.com>
Reviewed-by: Firas JahJah <firasj@amazon.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/efa/efa_com_cmd.h')
| -rw-r--r-- | drivers/infiniband/hw/efa/efa_com_cmd.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/efa/efa_com_cmd.h b/drivers/infiniband/hw/efa/efa_com_cmd.h index 41ce4a476ee6..8df2a26d57d4 100644 --- a/drivers/infiniband/hw/efa/efa_com_cmd.h +++ b/drivers/infiniband/hw/efa/efa_com_cmd.h @@ -127,6 +127,7 @@ struct efa_com_get_device_attr_result { u16 max_sq_sge; u16 max_rq_sge; u16 max_wr_rdma_sge; + u16 max_tx_batch; u8 db_bar; }; |