diff options
author | Cheng Xu <chengyou@linux.alibaba.com> | 2022-11-07 05:18:43 +0300 |
---|---|---|
committer | Leon Romanovsky <leon@kernel.org> | 2022-11-07 10:55:04 +0300 |
commit | ece43fad220ba03c529cc0f6f302d796044e8476 (patch) | |
tree | 114bc719ed4ba0ea3ca21872475db211a8a6b666 /drivers/infiniband/hw/erdma/erdma_verbs.c | |
parent | 4eace75e0853273755b878ffa9cce6de84df975a (diff) | |
download | linux-ece43fad220ba03c529cc0f6f302d796044e8476.tar.xz |
RDMA/erdma: Extend access right field of FRMR and REG MR to support atomic
To support atomic operations, IB_ACCESS_REMOTE_ATOMIC right should be
passed to hardware for permission check. Since "access mode" field in FRMR
SQE and RegMr command is never used by hw, we remove the "access mode"
field, so that we can then have enough space to extend access fields.
Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
Link: https://lore.kernel.org/r/20221107021845.44598-2-chengyou@linux.alibaba.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/erdma/erdma_verbs.c')
-rw-r--r-- | drivers/infiniband/hw/erdma/erdma_verbs.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/erdma/erdma_verbs.c b/drivers/infiniband/hw/erdma/erdma_verbs.c index 62be98e2b941..f3bf87f17527 100644 --- a/drivers/infiniband/hw/erdma/erdma_verbs.c +++ b/drivers/infiniband/hw/erdma/erdma_verbs.c @@ -118,8 +118,7 @@ static int regmr_cmd(struct erdma_dev *dev, struct erdma_mr *mr) FIELD_PREP(ERDMA_CMD_MR_MPT_IDX_MASK, mr->ibmr.lkey >> 8); req.cfg1 = FIELD_PREP(ERDMA_CMD_REGMR_PD_MASK, pd->pdn) | FIELD_PREP(ERDMA_CMD_REGMR_TYPE_MASK, mr->type) | - FIELD_PREP(ERDMA_CMD_REGMR_RIGHT_MASK, mr->access) | - FIELD_PREP(ERDMA_CMD_REGMR_ACC_MODE_MASK, 0); + FIELD_PREP(ERDMA_CMD_REGMR_RIGHT_MASK, mr->access); req.cfg2 = FIELD_PREP(ERDMA_CMD_REGMR_PAGESIZE_MASK, ilog2(mr->mem.page_size)) | FIELD_PREP(ERDMA_CMD_REGMR_MTT_TYPE_MASK, mr->mem.mtt_type) | |