diff options
Diffstat (limited to 'drivers/infiniband/ulp/iser/iser_verbs.c')
-rw-r--r-- | drivers/infiniband/ulp/iser/iser_verbs.c | 84 |
1 files changed, 42 insertions, 42 deletions
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index 7bdb811ad5b1..dc5a0b49cfbe 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -94,13 +94,13 @@ static int iser_create_device_ib_res(struct iser_device *device) device->iser_unreg_rdma_mem = iser_unreg_mem_fmr; } else if (dev_attr->device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS) { - iser_info("FRWR supported, using FRWR for registration\n"); - device->iser_alloc_rdma_reg_res = iser_create_frwr_pool; - device->iser_free_rdma_reg_res = iser_free_frwr_pool; - device->iser_reg_rdma_mem = iser_reg_rdma_mem_frwr; - device->iser_unreg_rdma_mem = iser_unreg_mem_frwr; + iser_info("FastReg supported, using FastReg for registration\n"); + device->iser_alloc_rdma_reg_res = iser_create_fastreg_pool; + device->iser_free_rdma_reg_res = iser_free_fastreg_pool; + device->iser_reg_rdma_mem = iser_reg_rdma_mem_fastreg; + device->iser_unreg_rdma_mem = iser_unreg_mem_fastreg; } else { - iser_err("IB device does not support FMRs nor FRWRs, can't register memory\n"); + iser_err("IB device does not support FMRs nor FastRegs, can't register memory\n"); goto dev_attr_err; } @@ -221,13 +221,13 @@ int iser_create_fmr_pool(struct iser_conn *ib_conn, unsigned cmds_max) struct ib_fmr_pool_param params; int ret = -ENOMEM; - ib_conn->fastreg.fmr.page_vec = kmalloc(sizeof(struct iser_page_vec) + - (sizeof(u64)*(ISCSI_ISER_SG_TABLESIZE + 1)), - GFP_KERNEL); - if (!ib_conn->fastreg.fmr.page_vec) + ib_conn->fmr.page_vec = kmalloc(sizeof(*ib_conn->fmr.page_vec) + + (sizeof(u64)*(ISCSI_ISER_SG_TABLESIZE + 1)), + GFP_KERNEL); + if (!ib_conn->fmr.page_vec) return ret; - ib_conn->fastreg.fmr.page_vec->pages = (u64 *)(ib_conn->fastreg.fmr.page_vec + 1); + ib_conn->fmr.page_vec->pages = (u64 *)(ib_conn->fmr.page_vec + 1); params.page_shift = SHIFT_4K; /* when the first/last SG element are not start/end * @@ -243,16 +243,16 @@ int iser_create_fmr_pool(struct iser_conn *ib_conn, unsigned cmds_max) IB_ACCESS_REMOTE_WRITE | IB_ACCESS_REMOTE_READ); - ib_conn->fastreg.fmr.pool = ib_create_fmr_pool(device->pd, ¶ms); - if (!IS_ERR(ib_conn->fastreg.fmr.pool)) + ib_conn->fmr.pool = ib_create_fmr_pool(device->pd, ¶ms); + if (!IS_ERR(ib_conn->fmr.pool)) return 0; /* no FMR => no need for page_vec */ - kfree(ib_conn->fastreg.fmr.page_vec); - ib_conn->fastreg.fmr.page_vec = NULL; + kfree(ib_conn->fmr.page_vec); + ib_conn->fmr.page_vec = NULL; - ret = PTR_ERR(ib_conn->fastreg.fmr.pool); - ib_conn->fastreg.fmr.pool = NULL; + ret = PTR_ERR(ib_conn->fmr.pool); + ib_conn->fmr.pool = NULL; if (ret != -ENOSYS) { iser_err("FMR allocation failed, err %d\n", ret); return ret; @@ -268,30 +268,30 @@ int iser_create_fmr_pool(struct iser_conn *ib_conn, unsigned cmds_max) void iser_free_fmr_pool(struct iser_conn *ib_conn) { iser_info("freeing conn %p fmr pool %p\n", - ib_conn, ib_conn->fastreg.fmr.pool); + ib_conn, ib_conn->fmr.pool); - if (ib_conn->fastreg.fmr.pool != NULL) - ib_destroy_fmr_pool(ib_conn->fastreg.fmr.pool); + if (ib_conn->fmr.pool != NULL) + ib_destroy_fmr_pool(ib_conn->fmr.pool); - ib_conn->fastreg.fmr.pool = NULL; + ib_conn->fmr.pool = NULL; - kfree(ib_conn->fastreg.fmr.page_vec); - ib_conn->fastreg.fmr.page_vec = NULL; + kfree(ib_conn->fmr.page_vec); + ib_conn->fmr.page_vec = NULL; } /** - * iser_create_frwr_pool - Creates pool of fast_reg descriptors + * iser_create_fastreg_pool - Creates pool of fast_reg descriptors * for fast registration work requests. * returns 0 on success, or errno code on failure */ -int iser_create_frwr_pool(struct iser_conn *ib_conn, unsigned cmds_max) +int iser_create_fastreg_pool(struct iser_conn *ib_conn, unsigned cmds_max) { struct iser_device *device = ib_conn->device; struct fast_reg_descriptor *desc; int i, ret; - INIT_LIST_HEAD(&ib_conn->fastreg.frwr.pool); - ib_conn->fastreg.frwr.pool_size = 0; + INIT_LIST_HEAD(&ib_conn->fastreg.pool); + ib_conn->fastreg.pool_size = 0; for (i = 0; i < cmds_max; i++) { desc = kmalloc(sizeof(*desc), GFP_KERNEL); if (!desc) { @@ -316,8 +316,8 @@ int iser_create_frwr_pool(struct iser_conn *ib_conn, unsigned cmds_max) goto fast_reg_mr_failure; } desc->valid = true; - list_add_tail(&desc->list, &ib_conn->fastreg.frwr.pool); - ib_conn->fastreg.frwr.pool_size++; + list_add_tail(&desc->list, &ib_conn->fastreg.pool); + ib_conn->fastreg.pool_size++; } return 0; @@ -327,24 +327,24 @@ fast_reg_mr_failure: fast_reg_page_failure: kfree(desc); err: - iser_free_frwr_pool(ib_conn); + iser_free_fastreg_pool(ib_conn); return ret; } /** - * iser_free_frwr_pool - releases the pool of fast_reg descriptors + * iser_free_fastreg_pool - releases the pool of fast_reg descriptors */ -void iser_free_frwr_pool(struct iser_conn *ib_conn) +void iser_free_fastreg_pool(struct iser_conn *ib_conn) { struct fast_reg_descriptor *desc, *tmp; int i = 0; - if (list_empty(&ib_conn->fastreg.frwr.pool)) + if (list_empty(&ib_conn->fastreg.pool)) return; - iser_info("freeing conn %p frwr pool\n", ib_conn); + iser_info("freeing conn %p fr pool\n", ib_conn); - list_for_each_entry_safe(desc, tmp, &ib_conn->fastreg.frwr.pool, list) { + list_for_each_entry_safe(desc, tmp, &ib_conn->fastreg.pool, list) { list_del(&desc->list); ib_free_fast_reg_page_list(desc->data_frpl); ib_dereg_mr(desc->data_mr); @@ -352,9 +352,9 @@ void iser_free_frwr_pool(struct iser_conn *ib_conn) ++i; } - if (i < ib_conn->fastreg.frwr.pool_size) + if (i < ib_conn->fastreg.pool_size) iser_warn("pool still has %d regions registered\n", - ib_conn->fastreg.frwr.pool_size - i); + ib_conn->fastreg.pool_size - i); } /** @@ -801,7 +801,7 @@ int iser_reg_page_vec(struct iser_conn *ib_conn, page_list = page_vec->pages; io_addr = page_list[0]; - mem = ib_fmr_pool_map_phys(ib_conn->fastreg.fmr.pool, + mem = ib_fmr_pool_map_phys(ib_conn->fmr.pool, page_list, page_vec->length, io_addr); @@ -855,8 +855,8 @@ void iser_unreg_mem_fmr(struct iscsi_iser_task *iser_task, reg->mem_h = NULL; } -void iser_unreg_mem_frwr(struct iscsi_iser_task *iser_task, - enum iser_data_dir cmd_dir) +void iser_unreg_mem_fastreg(struct iscsi_iser_task *iser_task, + enum iser_data_dir cmd_dir) { struct iser_mem_reg *reg = &iser_task->rdma_regd[cmd_dir].reg; struct iser_conn *ib_conn = iser_task->iser_conn->ib_conn; @@ -868,7 +868,7 @@ void iser_unreg_mem_frwr(struct iscsi_iser_task *iser_task, reg->mem_h = NULL; reg->is_mr = 0; spin_lock_bh(&ib_conn->lock); - list_add_tail(&desc->list, &ib_conn->fastreg.frwr.pool); + list_add_tail(&desc->list, &ib_conn->fastreg.pool); spin_unlock_bh(&ib_conn->lock); } @@ -999,7 +999,7 @@ static int iser_drain_tx_cq(struct iser_device *device, int cq_index) } else { iser_err("tx id %llx status %d vend_err %x\n", wc.wr_id, wc.status, wc.vendor_err); - if (wc.wr_id != ISER_FRWR_LI_WRID) { + if (wc.wr_id != ISER_FASTREG_LI_WRID) { atomic_dec(&ib_conn->post_send_buf_count); iser_handle_comp_error(tx_desc, ib_conn); } |