diff options
| author | Sindhu Devale <sindhu.devale@intel.com> | 2023-07-25 18:55:25 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2023-07-30 15:43:00 +0300 |
| commit | 72d422c2465e93d5de622173f04d666cb9854c5f (patch) | |
| tree | 4d6713cae722c0949c01959fafa894646c9bc0d5 /drivers/infiniband/hw/irdma/uk.c | |
| parent | 3a8498720450174b8db450d3375a04dca81b3534 (diff) | |
| download | linux-72d422c2465e93d5de622173f04d666cb9854c5f.tar.xz | |
RDMA/irdma: Use HW specific minimum WQ size
HW GEN1 and GEN2 have different min WQ sizes but they are
currently set to the same value.
Use a gen specific attribute min_hw_wq_size and extend ABI to
pass it to user-space.
Signed-off-by: Sindhu Devale <sindhu.devale@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Link: https://lore.kernel.org/r/20230725155525.1081-3-shiraz.saleem@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/irdma/uk.c')
| -rw-r--r-- | drivers/infiniband/hw/irdma/uk.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/irdma/uk.c b/drivers/infiniband/hw/irdma/uk.c index fd337caa2e3b..ac650a784245 100644 --- a/drivers/infiniband/hw/irdma/uk.c +++ b/drivers/infiniband/hw/irdma/uk.c @@ -1349,10 +1349,12 @@ void irdma_get_wqe_shift(struct irdma_uk_attrs *uk_attrs, u32 sge, int irdma_get_sqdepth(struct irdma_uk_attrs *uk_attrs, u32 sq_size, u8 shift, u32 *sqdepth) { + u32 min_size = (u32)uk_attrs->min_hw_wq_size << shift; + *sqdepth = irdma_qp_round_up((sq_size << shift) + IRDMA_SQ_RSVD); - if (*sqdepth < (IRDMA_QP_SW_MIN_WQSIZE << shift)) - *sqdepth = IRDMA_QP_SW_MIN_WQSIZE << shift; + if (*sqdepth < min_size) + *sqdepth = min_size; else if (*sqdepth > uk_attrs->max_hw_wq_quanta) return -EINVAL; @@ -1369,10 +1371,12 @@ int irdma_get_sqdepth(struct irdma_uk_attrs *uk_attrs, u32 sq_size, u8 shift, int irdma_get_rqdepth(struct irdma_uk_attrs *uk_attrs, u32 rq_size, u8 shift, u32 *rqdepth) { + u32 min_size = (u32)uk_attrs->min_hw_wq_size << shift; + *rqdepth = irdma_qp_round_up((rq_size << shift) + IRDMA_RQ_RSVD); - if (*rqdepth < (IRDMA_QP_SW_MIN_WQSIZE << shift)) - *rqdepth = IRDMA_QP_SW_MIN_WQSIZE << shift; + if (*rqdepth < min_size) + *rqdepth = min_size; else if (*rqdepth > uk_attrs->max_hw_rq_quanta) return -EINVAL; |