diff options
Diffstat (limited to 'hw/rdma/rdma_backend.c')
| -rw-r--r-- | hw/rdma/rdma_backend.c | 40 |
1 files changed, 16 insertions, 24 deletions
diff --git a/hw/rdma/rdma_backend.c b/hw/rdma/rdma_backend.c index c346407cd3..b7ffbef9c0 100644 --- a/hw/rdma/rdma_backend.c +++ b/hw/rdma/rdma_backend.c @@ -378,30 +378,25 @@ static void ah_cache_init(void) } static int build_host_sge_array(RdmaDeviceResources *rdma_dev_res, - struct ibv_sge *dsge, struct ibv_sge *ssge, - uint8_t num_sge, uint64_t *total_length) + struct ibv_sge *sge, uint8_t num_sge, + uint64_t *total_length) { RdmaRmMR *mr; - int ssge_idx; + int idx; - for (ssge_idx = 0; ssge_idx < num_sge; ssge_idx++) { - mr = rdma_rm_get_mr(rdma_dev_res, ssge[ssge_idx].lkey); + for (idx = 0; idx < num_sge; idx++) { + mr = rdma_rm_get_mr(rdma_dev_res, sge[idx].lkey); if (unlikely(!mr)) { - rdma_error_report("Invalid lkey 0x%x", ssge[ssge_idx].lkey); - return VENDOR_ERR_INVLKEY | ssge[ssge_idx].lkey; + rdma_error_report("Invalid lkey 0x%x", sge[idx].lkey); + return VENDOR_ERR_INVLKEY | sge[idx].lkey; } #ifdef LEGACY_RDMA_REG_MR - dsge->addr = (uintptr_t)mr->virt + ssge[ssge_idx].addr - mr->start; -#else - dsge->addr = ssge[ssge_idx].addr; + sge[idx].addr = (uintptr_t)mr->virt + sge[idx].addr - mr->start; #endif - dsge->length = ssge[ssge_idx].length; - dsge->lkey = rdma_backend_mr_lkey(&mr->backend_mr); - - *total_length += dsge->length; + sge[idx].lkey = rdma_backend_mr_lkey(&mr->backend_mr); - dsge++; + *total_length += sge[idx].length; } return 0; @@ -484,7 +479,6 @@ void rdma_backend_post_send(RdmaBackendDev *backend_dev, void *ctx) { BackendCtx *bctx; - struct ibv_sge new_sge[MAX_SGE]; uint32_t bctx_id; int rc; struct ibv_send_wr wr = {}, *bad_wr; @@ -518,7 +512,7 @@ void rdma_backend_post_send(RdmaBackendDev *backend_dev, rdma_protected_gslist_append_int32(&qp->cqe_ctx_list, bctx_id); - rc = build_host_sge_array(backend_dev->rdma_dev_res, new_sge, sge, num_sge, + rc = build_host_sge_array(backend_dev->rdma_dev_res, sge, num_sge, &backend_dev->rdma_dev_res->stats.tx_len); if (rc) { complete_work(IBV_WC_GENERAL_ERR, rc, ctx); @@ -538,7 +532,7 @@ void rdma_backend_post_send(RdmaBackendDev *backend_dev, wr.num_sge = num_sge; wr.opcode = IBV_WR_SEND; wr.send_flags = IBV_SEND_SIGNALED; - wr.sg_list = new_sge; + wr.sg_list = sge; wr.wr_id = bctx_id; rc = ibv_post_send(qp->ibqp, &wr, &bad_wr); @@ -601,7 +595,6 @@ void rdma_backend_post_recv(RdmaBackendDev *backend_dev, struct ibv_sge *sge, uint32_t num_sge, void *ctx) { BackendCtx *bctx; - struct ibv_sge new_sge[MAX_SGE]; uint32_t bctx_id; int rc; struct ibv_recv_wr wr = {}, *bad_wr; @@ -635,7 +628,7 @@ void rdma_backend_post_recv(RdmaBackendDev *backend_dev, rdma_protected_gslist_append_int32(&qp->cqe_ctx_list, bctx_id); - rc = build_host_sge_array(backend_dev->rdma_dev_res, new_sge, sge, num_sge, + rc = build_host_sge_array(backend_dev->rdma_dev_res, sge, num_sge, &backend_dev->rdma_dev_res->stats.rx_bufs_len); if (rc) { complete_work(IBV_WC_GENERAL_ERR, rc, ctx); @@ -643,7 +636,7 @@ void rdma_backend_post_recv(RdmaBackendDev *backend_dev, } wr.num_sge = num_sge; - wr.sg_list = new_sge; + wr.sg_list = sge; wr.wr_id = bctx_id; rc = ibv_post_recv(qp->ibqp, &wr, &bad_wr); if (rc) { @@ -671,7 +664,6 @@ void rdma_backend_post_srq_recv(RdmaBackendDev *backend_dev, uint32_t num_sge, void *ctx) { BackendCtx *bctx; - struct ibv_sge new_sge[MAX_SGE]; uint32_t bctx_id; int rc; struct ibv_recv_wr wr = {}, *bad_wr; @@ -688,7 +680,7 @@ void rdma_backend_post_srq_recv(RdmaBackendDev *backend_dev, rdma_protected_gslist_append_int32(&srq->cqe_ctx_list, bctx_id); - rc = build_host_sge_array(backend_dev->rdma_dev_res, new_sge, sge, num_sge, + rc = build_host_sge_array(backend_dev->rdma_dev_res, sge, num_sge, &backend_dev->rdma_dev_res->stats.rx_bufs_len); if (rc) { complete_work(IBV_WC_GENERAL_ERR, rc, ctx); @@ -696,7 +688,7 @@ void rdma_backend_post_srq_recv(RdmaBackendDev *backend_dev, } wr.num_sge = num_sge; - wr.sg_list = new_sge; + wr.sg_list = sge; wr.wr_id = bctx_id; rc = ibv_post_srq_recv(srq->ibsrq, &wr, &bad_wr); if (rc) { |