diff options
| author |   Selvin Xavier <selvin.xavier@broadcom.com> | 2021-01-07 01:43:28 -0800 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2021-01-18 16:56:09 -0400 |
| commit | c930af5ab4311f1f47601db289debee20ac19c1c (patch) | |
| tree | 52dceb42a59fd069164a3a37c916e0cb2b09d9be /drivers/infiniband/hw | |
| parent | RDMA/bnxt_re: Code refactor while populating user MRs (diff) | |
| download | linux-dev-c930af5ab4311f1f47601db289debee20ac19c1c.tar.xz linux-dev-c930af5ab4311f1f47601db289debee20ac19c1c.zip | |
RDMA/bnxt_re: Allow bigger MR creation
Allow users to create bigger MRs. Remove the check that prevented creating
MRs with number of pages more than 512.
Link: https://lore.kernel.org/r/1610012608-14528-3-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/ib_verbs.c | 8 | ||||
| -rw-r--r-- | 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 00d2a5a678a9..ba515efd4fdc 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -3829,14 +3829,6 @@ 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 22cb46a7e147..049b3576302b 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); |