diff options
| -rw-r--r-- | .clang-format | 1 | ||||
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/ib_verbs.c | 2 | ||||
| -rw-r--r-- | drivers/infiniband/hw/efa/efa_verbs.c | 3 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_alloc.c | 3 | ||||
| -rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_verbs.c | 3 | ||||
| -rw-r--r-- | include/rdma/ib_umem.h | 20 |
6 files changed, 25 insertions, 7 deletions
diff --git a/.clang-format b/.clang-format index a0a96088c74f..311ef2c61a1b 100644 --- a/.clang-format +++ b/.clang-format @@ -415,6 +415,7 @@ ForEachMacros: - 'rbtree_postorder_for_each_entry_safe' - 'rdma_for_each_block' - 'rdma_for_each_port' + - 'rdma_umem_for_each_dma_block' - 'resource_list_for_each_entry' - 'resource_list_for_each_entry_safe' - 'rhl_for_each_entry_rcu' diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index 4f07011e04eb..7f63f28ec210 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -3787,7 +3787,7 @@ static int fill_umem_pbl_tbl(struct ib_umem *umem, u64 *pbl_tbl_orig, u64 page_size = BIT_ULL(page_shift); struct ib_block_iter biter; - rdma_for_each_block(umem->sg_head.sgl, &biter, umem->nmap, page_size) + rdma_umem_for_each_dma_block(umem, &biter, page_size) *pbl_tbl++ = rdma_block_iter_dma_address(&biter); return pbl_tbl - pbl_tbl_orig; diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c index 57910bcfc572..81db565c098a 100644 --- a/drivers/infiniband/hw/efa/efa_verbs.c +++ b/drivers/infiniband/hw/efa/efa_verbs.c @@ -1144,8 +1144,7 @@ static int umem_to_page_list(struct efa_dev *dev, ibdev_dbg(&dev->ibdev, "hp_cnt[%u], pages_in_hp[%u]\n", hp_cnt, pages_in_hp); - rdma_for_each_block(umem->sg_head.sgl, &biter, umem->nmap, - BIT(hp_shift)) + rdma_umem_for_each_dma_block(umem, &biter, BIT(hp_shift)) page_list[hp_idx++] = rdma_block_iter_dma_address(&biter); return 0; diff --git a/drivers/infiniband/hw/hns/hns_roce_alloc.c b/drivers/infiniband/hw/hns/hns_roce_alloc.c index a522cb2d29ea..a6b23dec1adc 100644 --- a/drivers/infiniband/hw/hns/hns_roce_alloc.c +++ b/drivers/infiniband/hw/hns/hns_roce_alloc.c @@ -268,8 +268,7 @@ int hns_roce_get_umem_bufs(struct hns_roce_dev *hr_dev, dma_addr_t *bufs, } /* convert system page cnt to hw page cnt */ - rdma_for_each_block(umem->sg_head.sgl, &biter, umem->nmap, - 1 << page_shift) { + rdma_umem_for_each_dma_block(umem, &biter, 1 << page_shift) { addr = rdma_block_iter_dma_address(&biter); if (idx >= start) { bufs[total++] = addr; diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.c b/drivers/infiniband/hw/i40iw/i40iw_verbs.c index 6f40d1d82a25..a9278ef10ace 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c +++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c @@ -1322,8 +1322,7 @@ static void i40iw_copy_user_pgaddrs(struct i40iw_mr *iwmr, if (iwmr->type == IW_MEMREG_TYPE_QP) iwpbl->qp_mr.sq_page = sg_page(region->sg_head.sgl); - rdma_for_each_block(region->sg_head.sgl, &biter, region->nmap, - iwmr->page_size) { + rdma_umem_for_each_dma_block(region, &biter, iwmr->page_size) { *pbl = rdma_block_iter_dma_address(&biter); pbl = i40iw_next_pbl_addr(pbl, &pinfo, &idx); } diff --git a/include/rdma/ib_umem.h b/include/rdma/ib_umem.h index 07a764eb692e..b880512ba95f 100644 --- a/include/rdma/ib_umem.h +++ b/include/rdma/ib_umem.h @@ -40,6 +40,26 @@ static inline size_t ib_umem_num_pages(struct ib_umem *umem) PAGE_SHIFT; } +static inline void __rdma_umem_block_iter_start(struct ib_block_iter *biter, + struct ib_umem *umem, + unsigned long pgsz) +{ + __rdma_block_iter_start(biter, umem->sg_head.sgl, umem->nmap, pgsz); +} + +/** + * rdma_umem_for_each_dma_block - iterate over contiguous DMA blocks of the umem + * @umem: umem to iterate over + * @pgsz: Page size to split the list into + * + * pgsz must be <= PAGE_SIZE or computed by ib_umem_find_best_pgsz(). The + * returned DMA blocks will be aligned to pgsz and span the range: + * ALIGN_DOWN(umem->address, pgsz) to ALIGN(umem->address + umem->length, pgsz) + */ +#define rdma_umem_for_each_dma_block(umem, biter, pgsz) \ + for (__rdma_umem_block_iter_start(biter, umem, pgsz); \ + __rdma_block_iter_next(biter);) + #ifdef CONFIG_INFINIBAND_USER_MEM struct ib_umem *ib_umem_get(struct ib_device *device, unsigned long addr, |