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;
+ ib_attr->page_size_cap = BNXT_RE_PAGE_SIZE_4K | BNXT_RE_PAGE_SIZE_2M;
ib_attr->vendor_id = rdev->en_dev->pdev->vendor;
ib_attr->vendor_part_id = rdev->en_dev->pdev->device;
IB_PORT_VENDOR_CLASS_SUP |
IB_PORT_IP_BASED_GIDS;
- /* Max MSG size set to 2G for now */
- port_attr->max_msg_sz = 0x80000000;
+ port_attr->max_msg_sz = (u32)BNXT_RE_MAX_MR_SIZE_LOW;
port_attr->bad_pkey_cntr = 0;
port_attr->qkey_viol_cntr = 0;
port_attr->pkey_tbl_len = dev_attr->max_pkey;
mr->qplib_mr.total_size = BNXT_RE_FENCE_BYTES;
pbl_tbl = dma_addr;
rc = bnxt_qplib_reg_mr(&rdev->qplib_res, &mr->qplib_mr, &pbl_tbl,
- BNXT_RE_FENCE_PBL_SIZE, false);
+ BNXT_RE_FENCE_PBL_SIZE, false, PAGE_SIZE);
if (rc) {
dev_err(rdev_to_dev(rdev), "Failed to register fence-MR\n");
goto fail;
mr->qplib_mr.hwq.level = PBL_LVL_MAX;
mr->qplib_mr.total_size = -1; /* Infinte length */
- rc = bnxt_qplib_reg_mr(&rdev->qplib_res, &mr->qplib_mr, &pbl, 0, false);
+ rc = bnxt_qplib_reg_mr(&rdev->qplib_res, &mr->qplib_mr, &pbl, 0, false,
+ PAGE_SIZE);
if (rc)
goto fail_mr;
int rc;
rc = bnxt_qplib_free_mrw(&rdev->qplib_res, &mr->qplib_mr);
- if (rc) {
+ if (rc)
dev_err(rdev_to_dev(rdev), "Dereg MR failed: %#x\n", rc);
- return rc;
- }
if (mr->pages) {
rc = bnxt_qplib_free_fast_reg_page_list(&rdev->qplib_res,
rc = bnxt_qplib_alloc_mrw(&rdev->qplib_res, &mr->qplib_mr);
if (rc)
- goto fail;
+ goto bail;
mr->ib_mr.lkey = mr->qplib_mr.lkey;
mr->ib_mr.rkey = mr->ib_mr.lkey;
return &mr->ib_mr;
fail_mr:
- bnxt_qplib_free_mrw(&rdev->qplib_res, &mr->qplib_mr);
-fail:
kfree(mr->pages);
+fail:
+ bnxt_qplib_free_mrw(&rdev->qplib_res, &mr->qplib_mr);
+bail:
kfree(mr);
return ERR_PTR(rc);
}
return rc;
}
+static int bnxt_re_page_size_ok(int page_shift)
+{
+ switch (page_shift) {
+ case CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_PG_4K:
+ case CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_PG_8K:
+ case CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_PG_64K:
+ case CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_PG_2M:
+ case CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_PG_256K:
+ case CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_PG_1M:
+ case CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_PG_4M:
+ case CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_PG_1G:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+static int fill_umem_pbl_tbl(struct ib_umem *umem, u64 *pbl_tbl_orig,
+ int page_shift)
+{
+ u64 *pbl_tbl = pbl_tbl_orig;
+ u64 paddr;
+ u64 page_mask = (1ULL << page_shift) - 1;
+ int i, pages;
+ struct scatterlist *sg;
+ int entry;
+
+ for_each_sg(umem->sg_head.sgl, sg, umem->nmap, entry) {
+ pages = sg_dma_len(sg) >> PAGE_SHIFT;
+ for (i = 0; i < pages; i++) {
+ paddr = sg_dma_address(sg) + (i << PAGE_SHIFT);
+ if (pbl_tbl == pbl_tbl_orig)
+ *pbl_tbl++ = paddr & ~page_mask;
+ else if ((paddr & page_mask) == 0)
+ *pbl_tbl++ = paddr;
+ }
+ }
+ return pbl_tbl - pbl_tbl_orig;
+}
+
/* uverbs */
struct ib_mr *bnxt_re_reg_user_mr(struct ib_pd *ib_pd, u64 start, u64 length,
u64 virt_addr, int mr_access_flags,
struct bnxt_re_dev *rdev = pd->rdev;
struct bnxt_re_mr *mr;
struct ib_umem *umem;
- u64 *pbl_tbl, *pbl_tbl_orig;
- int i, umem_pgs, pages, rc;
- struct scatterlist *sg;
- int entry;
+ u64 *pbl_tbl = NULL;
+ int umem_pgs, page_shift, rc;
if (length > BNXT_RE_MAX_MR_SIZE) {
dev_err(rdev_to_dev(rdev), "MR Size: %lld > Max supported:%ld\n",
mr->qplib_mr.flags = __from_ib_access_flags(mr_access_flags);
mr->qplib_mr.type = CMDQ_ALLOCATE_MRW_MRW_FLAGS_MR;
+ rc = bnxt_qplib_alloc_mrw(&rdev->qplib_res, &mr->qplib_mr);
+ if (rc) {
+ dev_err(rdev_to_dev(rdev), "Failed to allocate MR");
+ goto free_mr;
+ }
+ /* The fixed portion of the rkey is the same as the lkey */
+ mr->ib_mr.rkey = mr->qplib_mr.rkey;
+
umem = ib_umem_get(ib_pd->uobject->context, start, length,
mr_access_flags, 0);
if (IS_ERR(umem)) {
dev_err(rdev_to_dev(rdev), "Failed to get umem");
rc = -EFAULT;
- goto free_mr;
+ goto free_mrw;
}
mr->ib_umem = umem;
- rc = bnxt_qplib_alloc_mrw(&rdev->qplib_res, &mr->qplib_mr);
- if (rc) {
- dev_err(rdev_to_dev(rdev), "Failed to allocate MR");
- goto release_umem;
- }
- /* The fixed portion of the rkey is the same as the lkey */
- mr->ib_mr.rkey = mr->qplib_mr.rkey;
-
mr->qplib_mr.va = virt_addr;
umem_pgs = ib_umem_page_count(umem);
if (!umem_pgs) {
dev_err(rdev_to_dev(rdev), "umem is invalid!");
rc = -EINVAL;
- goto free_mrw;
+ goto free_umem;
}
mr->qplib_mr.total_size = length;
pbl_tbl = kcalloc(umem_pgs, sizeof(u64 *), GFP_KERNEL);
if (!pbl_tbl) {
- rc = -EINVAL;
- goto free_mrw;
+ rc = -ENOMEM;
+ goto free_umem;
}
- pbl_tbl_orig = pbl_tbl;
- if (umem->hugetlb) {
- dev_err(rdev_to_dev(rdev), "umem hugetlb not supported!");
+ page_shift = umem->page_shift;
+
+ if (!bnxt_re_page_size_ok(page_shift)) {
+ dev_err(rdev_to_dev(rdev), "umem page size unsupported!");
rc = -EFAULT;
goto fail;
}
- if (umem->page_shift != PAGE_SHIFT) {
- dev_err(rdev_to_dev(rdev), "umem page shift unsupported!");
- rc = -EFAULT;
+ if (!umem->hugetlb && length > BNXT_RE_MAX_MR_SIZE_LOW) {
+ dev_err(rdev_to_dev(rdev), "Requested MR Sz:%llu Max sup:%llu",
+ length, (u64)BNXT_RE_MAX_MR_SIZE_LOW);
+ rc = -EINVAL;
goto fail;
}
- /* Map umem buf ptrs to the PBL */
- for_each_sg(umem->sg_head.sgl, sg, umem->nmap, entry) {
- pages = sg_dma_len(sg) >> umem->page_shift;
- for (i = 0; i < pages; i++, pbl_tbl++)
- *pbl_tbl = sg_dma_address(sg) + (i << umem->page_shift);
+ if (umem->hugetlb && length > BNXT_RE_PAGE_SIZE_2M) {
+ page_shift = BNXT_RE_PAGE_SHIFT_2M;
+ dev_warn(rdev_to_dev(rdev), "umem hugetlb set page_size %x",
+ 1 << page_shift);
}
- rc = bnxt_qplib_reg_mr(&rdev->qplib_res, &mr->qplib_mr, pbl_tbl_orig,
- umem_pgs, false);
+
+ /* Map umem buf ptrs to the PBL */
+ umem_pgs = fill_umem_pbl_tbl(umem, pbl_tbl, page_shift);
+ rc = bnxt_qplib_reg_mr(&rdev->qplib_res, &mr->qplib_mr, pbl_tbl,
+ umem_pgs, false, 1 << page_shift);
if (rc) {
dev_err(rdev_to_dev(rdev), "Failed to register user MR");
goto fail;
}
- kfree(pbl_tbl_orig);
+ kfree(pbl_tbl);
mr->ib_mr.lkey = mr->qplib_mr.lkey;
mr->ib_mr.rkey = mr->qplib_mr.lkey;
return &mr->ib_mr;
fail:
- kfree(pbl_tbl_orig);
+ kfree(pbl_tbl);
+free_umem:
+ ib_umem_release(umem);
free_mrw:
bnxt_qplib_free_mrw(&rdev->qplib_res, &mr->qplib_mr);
-release_umem:
- ib_umem_release(umem);
free_mr:
kfree(mr);
return ERR_PTR(rc);
}
int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
- u64 *pbl_tbl, int num_pbls, bool block)
+ u64 *pbl_tbl, int num_pbls, bool block, u32 buf_pg_size)
{
struct bnxt_qplib_rcfw *rcfw = res->rcfw;
struct cmdq_register_mr req;
u32 pg_size;
if (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)
bnxt_qplib_free_hwq(res->pdev, &mr->hwq);
mr->hwq.max_elements = pages;
+ /* Use system PAGE_SIZE */
rc = bnxt_qplib_alloc_init_hwq(res->pdev, &mr->hwq, NULL, 0,
&mr->hwq.max_elements,
PAGE_SIZE, 0, PAGE_SIZE,
/* Configure the request */
if (mr->hwq.level == PBL_LVL_MAX) {
+ /* No PBL provided, just use system PAGE_SIZE */
level = 0;
req.pbl = 0;
pg_size = PAGE_SIZE;
} else {
level = mr->hwq.level + 1;
req.pbl = cpu_to_le64(mr->hwq.pbl[PBL_LVL_0].pg_map_arr[0]);
- pg_size = mr->hwq.pbl[PBL_LVL_0].pg_size;
}
+ pg_size = buf_pg_size ? buf_pg_size : PAGE_SIZE;
req.log2_pg_size_lvl = (level << CMDQ_REGISTER_MR_LVL_SFT) |
((ilog2(pg_size) <<
CMDQ_REGISTER_MR_LOG2_PG_SIZE_SFT) &
CMDQ_REGISTER_MR_LOG2_PG_SIZE_MASK);
+ req.log2_pbl_pg_size = cpu_to_le16(((ilog2(PAGE_SIZE) <<
+ CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_SFT) &
+ CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_MASK));
req.access = (mr->flags & 0xFFFF);
req.va = cpu_to_le64(mr->va);
req.key = cpu_to_le32(mr->lkey);
#define CMDQ_REGISTER_MR_LVL_LVL_0 0x0UL
#define CMDQ_REGISTER_MR_LVL_LVL_1 0x1UL
#define CMDQ_REGISTER_MR_LVL_LVL_2 0x2UL
+ #define CMDQ_REGISTER_MR_LVL_LAST CMDQ_REGISTER_MR_LVL_LVL_2
#define CMDQ_REGISTER_MR_LOG2_PG_SIZE_MASK 0x7cUL
#define CMDQ_REGISTER_MR_LOG2_PG_SIZE_SFT 2
+ #define CMDQ_REGISTER_MR_LOG2_PG_SIZE_PG_4K (0xcUL << 2)
+ #define CMDQ_REGISTER_MR_LOG2_PG_SIZE_PG_8K (0xdUL << 2)
+ #define CMDQ_REGISTER_MR_LOG2_PG_SIZE_PG_64K (0x10UL << 2)
+ #define CMDQ_REGISTER_MR_LOG2_PG_SIZE_PG_256K (0x12UL << 2)
+ #define CMDQ_REGISTER_MR_LOG2_PG_SIZE_PG_1M (0x14UL << 2)
+ #define CMDQ_REGISTER_MR_LOG2_PG_SIZE_PG_2M (0x15UL << 2)
+ #define CMDQ_REGISTER_MR_LOG2_PG_SIZE_PG_4M (0x16UL << 2)
+ #define CMDQ_REGISTER_MR_LOG2_PG_SIZE_PG_1G (0x1eUL << 2)
+ #define CMDQ_REGISTER_MR_LOG2_PG_SIZE_LAST \
+ CMDQ_REGISTER_MR_LOG2_PG_SIZE_PG_1G
+ #define CMDQ_REGISTER_MR_UNUSED1 0x80UL
u8 access;
#define CMDQ_REGISTER_MR_ACCESS_LOCAL_WRITE 0x1UL
#define CMDQ_REGISTER_MR_ACCESS_REMOTE_READ 0x2UL
#define CMDQ_REGISTER_MR_ACCESS_REMOTE_ATOMIC 0x8UL
#define CMDQ_REGISTER_MR_ACCESS_MW_BIND 0x10UL
#define CMDQ_REGISTER_MR_ACCESS_ZERO_BASED 0x20UL
- __le16 unused_1;
+ __le16 log2_pbl_pg_size;
+ #define CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_MASK 0x1fUL
+ #define CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_SFT 0
+ #define CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_PG_4K 0xcUL
+ #define CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_PG_8K 0xdUL
+ #define CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_PG_64K 0x10UL
+ #define CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_PG_256K 0x12UL
+ #define CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_PG_1M 0x14UL
+ #define CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_PG_2M 0x15UL
+ #define CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_PG_4M 0x16UL
+ #define CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_PG_1G 0x1eUL
+ #define CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_LAST \
+ CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_PG_1G
+ #define CMDQ_REGISTER_MR_UNUSED11_MASK 0xffe0UL
+ #define CMDQ_REGISTER_MR_UNUSED11_SFT 5
__le32 key;
__le64 pbl;
__le64 va;
projects / platform / kernel / linux-rpi.git / commitdiff