RDMA/bnxt_re: Support multiple page sizes

HW can support multiple page sizes. Enable bits for enabling sizes from 4k
to 1G by reporting page_size_cap.

Link: https://lore.kernel.org/r/1631709163-2287-6-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Selvin Xavier 2021-09-15 05:32:36 -07:00 коммит произвёл Jason Gunthorpe
Родитель b9b43ad3ce
Коммит 6a7296c918
2 изменённых файлов: 4 добавлений и 14 удалений

Просмотреть файл

@ -43,19 +43,9 @@
#define ROCE_DRV_MODULE_NAME "bnxt_re"
#define BNXT_RE_DESC "Broadcom NetXtreme-C/E RoCE Driver"
#define BNXT_RE_PAGE_SHIFT_4K (12)
#define BNXT_RE_PAGE_SHIFT_8K (13)
#define BNXT_RE_PAGE_SHIFT_64K (16)
#define BNXT_RE_PAGE_SHIFT_2M (21)
#define BNXT_RE_PAGE_SHIFT_8M (23)
#define BNXT_RE_PAGE_SHIFT_1G (30)
#define BNXT_RE_PAGE_SIZE_4K BIT(BNXT_RE_PAGE_SHIFT_4K)
#define BNXT_RE_PAGE_SIZE_8K BIT(BNXT_RE_PAGE_SHIFT_8K)
#define BNXT_RE_PAGE_SIZE_64K BIT(BNXT_RE_PAGE_SHIFT_64K)
#define BNXT_RE_PAGE_SIZE_2M BIT(BNXT_RE_PAGE_SHIFT_2M)
#define BNXT_RE_PAGE_SIZE_8M BIT(BNXT_RE_PAGE_SHIFT_8M)
#define BNXT_RE_PAGE_SIZE_1G BIT(BNXT_RE_PAGE_SHIFT_1G)
#define BNXT_RE_PAGE_SHIFT_1G (30)
#define BNXT_RE_PAGE_SIZE_SUPPORTED 0x7FFFF000 /* 4kb - 1G */
#define BNXT_RE_MAX_MR_SIZE_LOW BIT_ULL(BNXT_RE_PAGE_SHIFT_1G)
#define BNXT_RE_MAX_MR_SIZE_HIGH BIT_ULL(39)

Просмотреть файл

@ -133,7 +133,7 @@ int bnxt_re_query_device(struct ib_device *ibdev,
bnxt_qplib_get_guid(rdev->netdev->dev_addr,
(u8 *)&ib_attr->sys_image_guid);
ib_attr->max_mr_size = BNXT_RE_MAX_MR_SIZE;
ib_attr->page_size_cap = BNXT_RE_PAGE_SIZE_4K | BNXT_RE_PAGE_SIZE_2M;
ib_attr->page_size_cap = BNXT_RE_PAGE_SIZE_SUPPORTED;
ib_attr->vendor_id = rdev->en_dev->pdev->vendor;
ib_attr->vendor_part_id = rdev->en_dev->pdev->device;
@ -3808,7 +3808,7 @@ struct ib_mr *bnxt_re_reg_user_mr(struct ib_pd *ib_pd, u64 start, u64 length,
mr->qplib_mr.va = virt_addr;
page_size = ib_umem_find_best_pgsz(
umem, BNXT_RE_PAGE_SIZE_4K | BNXT_RE_PAGE_SIZE_2M, virt_addr);
umem, BNXT_RE_PAGE_SIZE_SUPPORTED, virt_addr);
if (!page_size) {
ibdev_err(&rdev->ibdev, "umem page size unsupported!");
rc = -EFAULT;