diff options
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/ulp/iser/iscsi_iser.h | 14 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/iser/iser_initiator.c | 18 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/iser/iser_memory.c | 30 |
3 files changed, 29 insertions, 33 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h index 185d2ec0e3d8..5fd09636fbee 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.h +++ b/drivers/infiniband/ulp/iser/iscsi_iser.h @@ -247,18 +247,14 @@ struct iscsi_endpoint; /** * struct iser_mem_reg - iSER memory registration info * - * @lkey: MR local key - * @rkey: MR remote key - * @va: MR start address (buffer va) - * @len: MR length + * @sge: memory region sg element + * @rkey: memory region remote key * @mem_h: pointer to registration context (FMR/Fastreg) */ struct iser_mem_reg { - u32 lkey; - u32 rkey; - u64 va; - u64 len; - void *mem_h; + struct ib_sge sge; + u32 rkey; + void *mem_h; }; enum iser_desc_type { diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c index 420a613fe9f5..b2e3b77340b5 100644 --- a/drivers/infiniband/ulp/iser/iser_initiator.c +++ b/drivers/infiniband/ulp/iser/iser_initiator.c @@ -82,11 +82,11 @@ static int iser_prepare_read_cmd(struct iscsi_task *task) hdr->flags |= ISER_RSV; hdr->read_stag = cpu_to_be32(mem_reg->rkey); - hdr->read_va = cpu_to_be64(mem_reg->va); + hdr->read_va = cpu_to_be64(mem_reg->sge.addr); iser_dbg("Cmd itt:%d READ tags RKEY:%#.4X VA:%#llX\n", task->itt, mem_reg->rkey, - (unsigned long long)mem_reg->va); + (unsigned long long)mem_reg->sge.addr); return 0; } @@ -139,20 +139,20 @@ iser_prepare_write_cmd(struct iscsi_task *task, if (unsol_sz < edtl) { hdr->flags |= ISER_WSV; hdr->write_stag = cpu_to_be32(mem_reg->rkey); - hdr->write_va = cpu_to_be64(mem_reg->va + unsol_sz); + hdr->write_va = cpu_to_be64(mem_reg->sge.addr + unsol_sz); iser_dbg("Cmd itt:%d, WRITE tags, RKEY:%#.4X " "VA:%#llX + unsol:%d\n", task->itt, mem_reg->rkey, - (unsigned long long)mem_reg->va, unsol_sz); + (unsigned long long)mem_reg->sge.addr, unsol_sz); } if (imm_sz > 0) { iser_dbg("Cmd itt:%d, WRITE, adding imm.data sz: %d\n", task->itt, imm_sz); - tx_dsg->addr = mem_reg->va; + tx_dsg->addr = mem_reg->sge.addr; tx_dsg->length = imm_sz; - tx_dsg->lkey = mem_reg->lkey; + tx_dsg->lkey = mem_reg->sge.lkey; iser_task->desc.num_sge = 2; } @@ -479,9 +479,9 @@ int iser_send_data_out(struct iscsi_conn *conn, mem_reg = &iser_task->rdma_reg[ISER_DIR_OUT]; tx_dsg = &tx_desc->tx_sg[1]; - tx_dsg->addr = mem_reg->va + buf_offset; - tx_dsg->length = data_seg_len; - tx_dsg->lkey = mem_reg->lkey; + tx_dsg->addr = mem_reg->sge.addr + buf_offset; + tx_dsg->length = data_seg_len; + tx_dsg->lkey = mem_reg->sge.lkey; tx_desc->num_sge = 2; if (buf_offset + data_seg_len > iser_task->data[ISER_DIR_OUT].data_len) { diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c index 45f512043ef5..40d22d5c3fac 100644 --- a/drivers/infiniband/ulp/iser/iser_memory.c +++ b/drivers/infiniband/ulp/iser/iser_memory.c @@ -400,10 +400,10 @@ int iser_reg_page_vec(struct iscsi_iser_task *iser_task, return ret; } - mem_reg->lkey = fmr->fmr->lkey; + mem_reg->sge.lkey = fmr->fmr->lkey; mem_reg->rkey = fmr->fmr->rkey; - mem_reg->va = page_vec->pages[0] + page_vec->offset; - mem_reg->len = page_vec->data_size; + mem_reg->sge.addr = page_vec->pages[0] + page_vec->offset; + mem_reg->sge.length = page_vec->data_size; mem_reg->mem_h = fmr; return 0; @@ -479,17 +479,17 @@ int iser_reg_rdma_mem_fmr(struct iscsi_iser_task *iser_task, if (mem->dma_nents == 1) { sg = mem->sg; - mem_reg->lkey = device->mr->lkey; + mem_reg->sge.lkey = device->mr->lkey; mem_reg->rkey = device->mr->rkey; - mem_reg->len = ib_sg_dma_len(ibdev, &sg[0]); - mem_reg->va = ib_sg_dma_address(ibdev, &sg[0]); + mem_reg->sge.length = ib_sg_dma_len(ibdev, &sg[0]); + mem_reg->sge.addr = ib_sg_dma_address(ibdev, &sg[0]); iser_dbg("PHYSICAL Mem.register: lkey: 0x%08X rkey: 0x%08X " "va: 0x%08lX sz: %ld]\n", - (unsigned int)mem_reg->lkey, + (unsigned int)mem_reg->sge.lkey, (unsigned int)mem_reg->rkey, - (unsigned long)mem_reg->va, - (unsigned long)mem_reg->len); + (unsigned long)mem_reg->sge.addr, + (unsigned long)mem_reg->sge.length); } else { /* use FMR for multiple dma entries */ err = iser_reg_page_vec(iser_task, mem, ib_conn->fmr.page_vec, mem_reg); @@ -799,19 +799,19 @@ int iser_reg_rdma_mem_fastreg(struct iscsi_iser_task *iser_task, } desc->reg_indicators |= ISER_FASTREG_PROTECTED; - mem_reg->lkey = sig_sge.lkey; + mem_reg->sge.lkey = sig_sge.lkey; mem_reg->rkey = desc->pi_ctx->sig_mr->rkey; - mem_reg->va = sig_sge.addr; - mem_reg->len = sig_sge.length; + mem_reg->sge.addr = sig_sge.addr; + mem_reg->sge.length = sig_sge.length; } else { if (desc) mem_reg->rkey = desc->data_mr->rkey; else mem_reg->rkey = device->mr->rkey; - mem_reg->lkey = data_sge.lkey; - mem_reg->va = data_sge.addr; - mem_reg->len = data_sge.length; + mem_reg->sge.lkey = data_sge.lkey; + mem_reg->sge.addr = data_sge.addr; + mem_reg->sge.length = data_sge.length; } return 0; |