Allow users to create bigger MRs. Remove the check that
prevented creating MRs with number of pages more than 512.
Signed-off-by: Devesh Sharma <devesh.sharma@xxxxxxxxxxxx>
Signed-off-by: Selvin Xavier <selvin.xavier@xxxxxxxxxxxx>
---
drivers/infiniband/hw/bnxt_re/ib_verbs.c | 8 --------
drivers/infiniband/hw/bnxt_re/qplib_sp.c | 14 ++------------
2 files changed, 2 insertions(+), 20 deletions(-)
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index 6b5b8d1..f8c714f 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -3831,14 +3831,6 @@ struct ib_mr *bnxt_re_reg_user_mr(struct ib_pd *ib_pd, u64 start, u64 length,
}
mr->qplib_mr.total_size = length;
- if (page_size == BNXT_RE_PAGE_SIZE_4K &&
- length > BNXT_RE_MAX_MR_SIZE_LOW) {
- ibdev_err(&rdev->ibdev, "Requested MR Sz:%llu Max sup:%llu",
- length, (u64)BNXT_RE_MAX_MR_SIZE_LOW);
- rc = -EINVAL;
- goto free_umem;
- }
-
umem_pgs = ib_umem_num_dma_blocks(umem, page_size);
rc = bnxt_qplib_reg_mr(&rdev->qplib_res, &mr->qplib_mr, umem,
umem_pgs, page_size);
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
index 22cb46a..049b357 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
@@ -658,24 +658,14 @@ int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
struct creq_register_mr_resp resp;
struct cmdq_register_mr req;
u16 cmd_flags = 0, level;
- int pages, rc, pg_ptrs;
+ int pages, rc;
u32 pg_size;
if (num_pbls) {
+ pages = roundup_pow_of_two(num_pbls);
/* Allocate memory for the non-leaf pages to store buf ptrs.
* Non-leaf pages always uses system PAGE_SIZE
*/
- pg_ptrs = roundup_pow_of_two(num_pbls);
- pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT;
- if (!pages)
- pages++;
-
- if (pages > MAX_PBL_LVL_1_PGS) {
- dev_err(&res->pdev->dev,
- "SP: Reg MR: pages requested (0x%x) exceeded max (0x%x)\n",
- pages, MAX_PBL_LVL_1_PGS);
- return -ENOMEM;
- }
/* Free the hwq if it already exist, must be a rereg */
if (mr->hwq.max_elements)
bnxt_qplib_free_hwq(res, &mr->hwq);
--
2.5.5
