From: Selvin Xavier <selvin.xavier@broadcom.com>
Date: Wed, 15 Sep 2021 05:32:36 -0700
Subject: RDMA/bnxt_re: Support multiple page sizes
Patch-mainline: v5.16-rc1
Git-commit: 6a7296c918eb5606b58632ff03d8515f61dc1d36
References: jsc#SLE-18977
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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/hw/bnxt_re/bnxt_re.h | 14 ++------------
drivers/infiniband/hw/bnxt_re/ib_verbs.c | 4 ++--
2 files changed, 4 insertions(+), 14 deletions(-)
--- a/drivers/infiniband/hw/bnxt_re/bnxt_re.h
+++ b/drivers/infiniband/hw/bnxt_re/bnxt_re.h
@@ -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)
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -133,7 +133,7 @@ int bnxt_re_query_device(struct ib_devic
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
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;