nvmf: move RDMA connection handling to rdma.c
Also split the generic nvmf_trace_command() function out of the RDMA-specific handler and move it to request.c Change-Id: If29b89db33c5e080c9816977ae5b18b90884e775 Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Daniel Verkamp
parent
2a3e39a154
commit
6e5f700bea
201
lib/nvmf/conn.c
201
lib/nvmf/conn.c
@ -338,56 +338,6 @@ void spdk_shutdown_nvmf_conns(void)
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rte_get_master_lcore(), spdk_nvmf_conn_check_shutdown, NULL);
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rte_get_master_lcore(), spdk_nvmf_conn_check_shutdown, NULL);
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}
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}
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/* Check the nvmf message received */
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static void nvmf_trace_command(struct spdk_nvmf_capsule_cmd *cap_hdr, enum conn_type conn_type)
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{
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struct spdk_nvme_cmd *cmd = (struct spdk_nvme_cmd *)cap_hdr;
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struct spdk_nvme_sgl_descriptor *sgl = &cmd->dptr.sgl1;
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uint8_t opc;
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SPDK_TRACELOG(SPDK_TRACE_NVMF, "NVMf %s%s Command:\n",
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conn_type == CONN_TYPE_AQ ? "Admin" : "I/O",
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cmd->opc == SPDK_NVME_OPC_FABRIC ? " Fabrics" : "");
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if (cmd->opc == SPDK_NVME_OPC_FABRIC) {
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opc = cap_hdr->fctype;
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SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: fctype 0x%02x\n", cap_hdr->fctype);
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SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: cid 0x%x\n", cap_hdr->cid);
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} else {
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opc = cmd->opc;
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SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: opc 0x%02x\n", cmd->opc);
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if (cmd->fuse) {
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SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: fuse %x\n", cmd->fuse);
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}
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SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: psdt %u\n", cmd->psdt);
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SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: cid 0x%x\n", cmd->cid);
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SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: nsid %u\n", cmd->nsid);
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if (cmd->mptr) {
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SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: mptr 0x%" PRIx64 "\n", cmd->mptr);
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}
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SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: cdw10 0x%08x\n", cmd->cdw10);
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}
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if (spdk_nvme_opc_get_data_transfer(opc) != SPDK_NVME_DATA_NONE) {
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SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: SGL type 0x%x\n", sgl->generic.type);
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SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: SGL subtype 0x%x\n", sgl->generic.subtype);
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if (sgl->generic.type == SPDK_NVME_SGL_TYPE_KEYED_DATA_BLOCK) {
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SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: SGL address 0x%lx\n",
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sgl->address);
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SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: SGL key 0x%x\n",
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sgl->keyed.key);
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SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: SGL length 0x%x\n",
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sgl->keyed.length);
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} else if (sgl->generic.type == SPDK_NVME_SGL_TYPE_DATA_BLOCK) {
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SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: SGL %s 0x%" PRIx64 "\n",
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sgl->unkeyed.subtype == SPDK_NVME_SGL_SUBTYPE_OFFSET ? "offset" : "address",
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sgl->address);
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SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: SGL length 0x%x\n", sgl->unkeyed.length);
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}
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}
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}
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void
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void
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nvmf_init_conn_properites(struct spdk_nvmf_conn *conn,
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nvmf_init_conn_properites(struct spdk_nvmf_conn *conn,
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struct nvmf_session *session,
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struct nvmf_session *session,
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@ -425,157 +375,6 @@ nvmf_init_conn_properites(struct spdk_nvmf_conn *conn,
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}
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}
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static int nvmf_recv(struct spdk_nvmf_conn *conn, struct ibv_wc *wc)
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{
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struct nvme_qp_rx_desc *rx_desc;
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struct nvme_qp_tx_desc *tx_desc;
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struct spdk_nvmf_capsule_cmd *cap_hdr;
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struct spdk_nvmf_request *req;
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int ret;
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rx_desc = (struct nvme_qp_rx_desc *)wc->wr_id;
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cap_hdr = &rx_desc->cmd.nvmf_cmd;
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if (wc->byte_len < sizeof(*cap_hdr)) {
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SPDK_ERRLOG("recv length less than capsule header\n");
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return -1;
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}
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SPDK_TRACELOG(SPDK_TRACE_NVMF, "recv byte count 0x%x\n", wc->byte_len);
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/* get a response buffer */
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if (STAILQ_EMPTY(&conn->rdma.qp_tx_desc)) {
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SPDK_ERRLOG("tx desc pool empty!\n");
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return -1;
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}
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tx_desc = STAILQ_FIRST(&conn->rdma.qp_tx_desc);
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nvmf_active_tx_desc(tx_desc);
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req = &tx_desc->req;
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req->conn = conn;
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req->tx_desc = tx_desc;
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req->rx_desc = rx_desc;
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req->cid = cap_hdr->cid;
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req->cmd = &rx_desc->cmd;
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nvmf_trace_command(cap_hdr, conn->type);
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ret = spdk_nvmf_request_prep_data(req,
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rx_desc->bb, wc->byte_len - sizeof(*cap_hdr),
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rx_desc->bb, rx_desc->bb_sgl.length);
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if (ret < 0) {
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SPDK_ERRLOG("prep_data failed\n");
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} else if (ret == 0) {
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/* Data is available now; execute command immediately. */
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ret = spdk_nvmf_request_exec(req);
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if (ret < 0) {
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SPDK_ERRLOG("Command execution failed\n");
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}
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} else if (ret > 0) {
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/*
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* Pending transfer from host to controller; command will continue
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* once transfer is complete.
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*/
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ret = 0;
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}
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if (ret < 0) {
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/* recover the tx_desc */
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nvmf_deactive_tx_desc(tx_desc);
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}
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return ret;
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}
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static int nvmf_check_rdma_completions(struct spdk_nvmf_conn *conn)
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{
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struct ibv_wc wc;
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struct nvme_qp_tx_desc *tx_desc;
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struct spdk_nvmf_request *req;
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int rc;
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int cq_count = 0;
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int i;
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for (i = 0; i < conn->rdma.sq_depth; i++) {
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tx_desc = NULL;
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rc = ibv_poll_cq(conn->rdma.cq, 1, &wc);
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if (rc == 0) // No completions at this time
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break;
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if (rc < 0) {
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SPDK_ERRLOG("Poll CQ error!(%d): %s\n",
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errno, strerror(errno));
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goto handler_error;
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}
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/* OK, process the single successful cq event */
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cq_count += rc;
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if (wc.status) {
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SPDK_TRACELOG(SPDK_TRACE_RDMA, "CQ completion error status %d, exiting handler\n",
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wc.status);
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break;
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}
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switch (wc.opcode) {
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case IBV_WC_SEND:
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SPDK_TRACELOG(SPDK_TRACE_RDMA, "\nCQ send completion\n");
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tx_desc = (struct nvme_qp_tx_desc *)wc.wr_id;
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nvmf_deactive_tx_desc(tx_desc);
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break;
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case IBV_WC_RDMA_WRITE:
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/*
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* Will get this event only if we set IBV_SEND_SIGNALED
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* flag in rdma_write, to trace rdma write latency
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*/
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SPDK_TRACELOG(SPDK_TRACE_RDMA, "\nCQ rdma write completion\n");
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tx_desc = (struct nvme_qp_tx_desc *)wc.wr_id;
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req = &tx_desc->req;
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spdk_trace_record(TRACE_RDMA_WRITE_COMPLETE, 0, 0, (uint64_t)req, 0);
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break;
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case IBV_WC_RDMA_READ:
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SPDK_TRACELOG(SPDK_TRACE_RDMA, "\nCQ rdma read completion\n");
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tx_desc = (struct nvme_qp_tx_desc *)wc.wr_id;
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req = &tx_desc->req;
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spdk_trace_record(TRACE_RDMA_READ_COMPLETE, 0, 0, (uint64_t)req, 0);
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rc = spdk_nvmf_request_exec(req);
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if (rc) {
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SPDK_ERRLOG("request_exec error %d after RDMA Read completion\n", rc);
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goto handler_error;
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}
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rc = nvmf_process_pending_rdma(conn);
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if (rc) {
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goto handler_error;
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}
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break;
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case IBV_WC_RECV:
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SPDK_TRACELOG(SPDK_TRACE_RDMA, "\nCQ recv completion\n");
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spdk_trace_record(TRACE_NVMF_IO_START, 0, 0, wc.wr_id, 0);
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rc = nvmf_recv(conn, &wc);
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if (rc) {
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SPDK_ERRLOG("nvmf_recv processing failure\n");
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goto handler_error;
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}
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break;
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default:
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SPDK_ERRLOG("Poll cq opcode type unknown!!!!! completion\n");
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goto handler_error;
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}
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}
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return cq_count;
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handler_error:
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if (tx_desc != NULL)
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nvmf_deactive_tx_desc(tx_desc);
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SPDK_ERRLOG("handler error, exiting!\n");
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return -1;
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}
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static void
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static void
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spdk_nvmf_conn_do_work(void *arg)
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spdk_nvmf_conn_do_work(void *arg)
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{
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{
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152
lib/nvmf/rdma.c
152
lib/nvmf/rdma.c
@ -1132,4 +1132,156 @@ nvmf_process_pending_rdma(struct spdk_nvmf_conn *conn)
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return 0;
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return 0;
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}
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}
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static int
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nvmf_recv(struct spdk_nvmf_conn *conn, struct ibv_wc *wc)
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{
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struct nvme_qp_rx_desc *rx_desc;
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struct nvme_qp_tx_desc *tx_desc;
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struct spdk_nvmf_capsule_cmd *cap_hdr;
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struct spdk_nvmf_request *req;
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int ret;
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rx_desc = (struct nvme_qp_rx_desc *)wc->wr_id;
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cap_hdr = &rx_desc->cmd.nvmf_cmd;
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if (wc->byte_len < sizeof(*cap_hdr)) {
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SPDK_ERRLOG("recv length less than capsule header\n");
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return -1;
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}
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SPDK_TRACELOG(SPDK_TRACE_NVMF, "recv byte count 0x%x\n", wc->byte_len);
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/* get a response buffer */
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if (STAILQ_EMPTY(&conn->rdma.qp_tx_desc)) {
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SPDK_ERRLOG("tx desc pool empty!\n");
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return -1;
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}
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tx_desc = STAILQ_FIRST(&conn->rdma.qp_tx_desc);
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nvmf_active_tx_desc(tx_desc);
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req = &tx_desc->req;
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req->conn = conn;
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req->tx_desc = tx_desc;
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req->rx_desc = rx_desc;
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req->cid = cap_hdr->cid;
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req->cmd = &rx_desc->cmd;
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ret = spdk_nvmf_request_prep_data(req,
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rx_desc->bb, wc->byte_len - sizeof(*cap_hdr),
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rx_desc->bb, rx_desc->bb_sgl.length);
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if (ret < 0) {
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SPDK_ERRLOG("prep_data failed\n");
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} else if (ret == 0) {
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/* Data is available now; execute command immediately. */
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ret = spdk_nvmf_request_exec(req);
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if (ret < 0) {
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SPDK_ERRLOG("Command execution failed\n");
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}
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} else if (ret > 0) {
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/*
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* Pending transfer from host to controller; command will continue
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* once transfer is complete.
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*/
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ret = 0;
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}
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if (ret < 0) {
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/* recover the tx_desc */
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nvmf_deactive_tx_desc(tx_desc);
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}
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return ret;
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}
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int
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nvmf_check_rdma_completions(struct spdk_nvmf_conn *conn)
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{
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struct ibv_wc wc;
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struct nvme_qp_tx_desc *tx_desc;
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struct spdk_nvmf_request *req;
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int rc;
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int cq_count = 0;
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int i;
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for (i = 0; i < conn->rdma.sq_depth; i++) {
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tx_desc = NULL;
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rc = ibv_poll_cq(conn->rdma.cq, 1, &wc);
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if (rc == 0) // No completions at this time
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break;
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if (rc < 0) {
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SPDK_ERRLOG("Poll CQ error!(%d): %s\n",
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errno, strerror(errno));
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goto handler_error;
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}
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/* OK, process the single successful cq event */
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cq_count += rc;
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if (wc.status) {
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SPDK_TRACELOG(SPDK_TRACE_RDMA, "CQ completion error status %d, exiting handler\n",
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wc.status);
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break;
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}
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switch (wc.opcode) {
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case IBV_WC_SEND:
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SPDK_TRACELOG(SPDK_TRACE_RDMA, "\nCQ send completion\n");
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tx_desc = (struct nvme_qp_tx_desc *)wc.wr_id;
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nvmf_deactive_tx_desc(tx_desc);
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break;
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case IBV_WC_RDMA_WRITE:
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/*
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* Will get this event only if we set IBV_SEND_SIGNALED
|
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* flag in rdma_write, to trace rdma write latency
|
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*/
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SPDK_TRACELOG(SPDK_TRACE_RDMA, "\nCQ rdma write completion\n");
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tx_desc = (struct nvme_qp_tx_desc *)wc.wr_id;
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req = &tx_desc->req;
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spdk_trace_record(TRACE_RDMA_WRITE_COMPLETE, 0, 0, (uint64_t)req, 0);
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break;
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case IBV_WC_RDMA_READ:
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SPDK_TRACELOG(SPDK_TRACE_RDMA, "\nCQ rdma read completion\n");
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tx_desc = (struct nvme_qp_tx_desc *)wc.wr_id;
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req = &tx_desc->req;
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spdk_trace_record(TRACE_RDMA_READ_COMPLETE, 0, 0, (uint64_t)req, 0);
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||||||
|
rc = spdk_nvmf_request_exec(req);
|
||||||
|
if (rc) {
|
||||||
|
SPDK_ERRLOG("request_exec error %d after RDMA Read completion\n", rc);
|
||||||
|
goto handler_error;
|
||||||
|
}
|
||||||
|
|
||||||
|
rc = nvmf_process_pending_rdma(conn);
|
||||||
|
if (rc) {
|
||||||
|
goto handler_error;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case IBV_WC_RECV:
|
||||||
|
SPDK_TRACELOG(SPDK_TRACE_RDMA, "\nCQ recv completion\n");
|
||||||
|
spdk_trace_record(TRACE_NVMF_IO_START, 0, 0, wc.wr_id, 0);
|
||||||
|
rc = nvmf_recv(conn, &wc);
|
||||||
|
if (rc) {
|
||||||
|
SPDK_ERRLOG("nvmf_recv processing failure\n");
|
||||||
|
goto handler_error;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
SPDK_ERRLOG("Poll cq opcode type unknown!!!!! completion\n");
|
||||||
|
goto handler_error;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return cq_count;
|
||||||
|
|
||||||
|
handler_error:
|
||||||
|
if (tx_desc != NULL)
|
||||||
|
nvmf_deactive_tx_desc(tx_desc);
|
||||||
|
SPDK_ERRLOG("handler error, exiting!\n");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
SPDK_LOG_REGISTER_TRACE_FLAG("rdma", SPDK_TRACE_RDMA)
|
SPDK_LOG_REGISTER_TRACE_FLAG("rdma", SPDK_TRACE_RDMA)
|
||||||
|
|||||||
@ -100,4 +100,6 @@ void nvmf_acceptor_stop(void);
|
|||||||
void nvmf_active_tx_desc(struct nvme_qp_tx_desc *tx_desc);
|
void nvmf_active_tx_desc(struct nvme_qp_tx_desc *tx_desc);
|
||||||
void nvmf_deactive_tx_desc(struct nvme_qp_tx_desc *tx_desc);
|
void nvmf_deactive_tx_desc(struct nvme_qp_tx_desc *tx_desc);
|
||||||
|
|
||||||
|
int nvmf_check_rdma_completions(struct spdk_nvmf_conn *conn);
|
||||||
|
|
||||||
#endif /* _NVMF_RDMA_H_ */
|
#endif /* _NVMF_RDMA_H_ */
|
||||||
|
|||||||
@ -543,6 +543,57 @@ nvmf_process_fabrics_command(struct spdk_nvmf_request *req)
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
nvmf_trace_command(union nvmf_h2c_msg *h2c_msg, enum conn_type conn_type)
|
||||||
|
{
|
||||||
|
struct spdk_nvmf_capsule_cmd *cap_hdr = &h2c_msg->nvmf_cmd;
|
||||||
|
struct spdk_nvme_cmd *cmd = &h2c_msg->nvme_cmd;
|
||||||
|
struct spdk_nvme_sgl_descriptor *sgl = &cmd->dptr.sgl1;
|
||||||
|
uint8_t opc;
|
||||||
|
|
||||||
|
SPDK_TRACELOG(SPDK_TRACE_NVMF, "NVMf %s%s Command:\n",
|
||||||
|
conn_type == CONN_TYPE_AQ ? "Admin" : "I/O",
|
||||||
|
cmd->opc == SPDK_NVME_OPC_FABRIC ? " Fabrics" : "");
|
||||||
|
|
||||||
|
if (cmd->opc == SPDK_NVME_OPC_FABRIC) {
|
||||||
|
opc = cap_hdr->fctype;
|
||||||
|
SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: fctype 0x%02x\n", cap_hdr->fctype);
|
||||||
|
SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: cid 0x%x\n", cap_hdr->cid);
|
||||||
|
} else {
|
||||||
|
opc = cmd->opc;
|
||||||
|
SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: opc 0x%02x\n", cmd->opc);
|
||||||
|
if (cmd->fuse) {
|
||||||
|
SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: fuse %x\n", cmd->fuse);
|
||||||
|
}
|
||||||
|
SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: psdt %u\n", cmd->psdt);
|
||||||
|
SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: cid 0x%x\n", cmd->cid);
|
||||||
|
SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: nsid %u\n", cmd->nsid);
|
||||||
|
if (cmd->mptr) {
|
||||||
|
SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: mptr 0x%" PRIx64 "\n", cmd->mptr);
|
||||||
|
}
|
||||||
|
SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: cdw10 0x%08x\n", cmd->cdw10);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (spdk_nvme_opc_get_data_transfer(opc) != SPDK_NVME_DATA_NONE) {
|
||||||
|
SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: SGL type 0x%x\n", sgl->generic.type);
|
||||||
|
SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: SGL subtype 0x%x\n", sgl->generic.subtype);
|
||||||
|
if (sgl->generic.type == SPDK_NVME_SGL_TYPE_KEYED_DATA_BLOCK) {
|
||||||
|
|
||||||
|
SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: SGL address 0x%lx\n",
|
||||||
|
sgl->address);
|
||||||
|
SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: SGL key 0x%x\n",
|
||||||
|
sgl->keyed.key);
|
||||||
|
SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: SGL length 0x%x\n",
|
||||||
|
sgl->keyed.length);
|
||||||
|
} else if (sgl->generic.type == SPDK_NVME_SGL_TYPE_DATA_BLOCK) {
|
||||||
|
SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: SGL %s 0x%" PRIx64 "\n",
|
||||||
|
sgl->unkeyed.subtype == SPDK_NVME_SGL_SUBTYPE_OFFSET ? "offset" : "address",
|
||||||
|
sgl->address);
|
||||||
|
SPDK_TRACELOG(SPDK_TRACE_NVMF, " SQE: SGL length 0x%x\n", sgl->unkeyed.length);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
int
|
int
|
||||||
spdk_nvmf_request_prep_data(struct spdk_nvmf_request *req,
|
spdk_nvmf_request_prep_data(struct spdk_nvmf_request *req,
|
||||||
void *in_cap_data, uint32_t in_cap_len,
|
void *in_cap_data, uint32_t in_cap_len,
|
||||||
@ -553,6 +604,8 @@ spdk_nvmf_request_prep_data(struct spdk_nvmf_request *req,
|
|||||||
enum spdk_nvme_data_transfer xfer;
|
enum spdk_nvme_data_transfer xfer;
|
||||||
int ret;
|
int ret;
|
||||||
|
|
||||||
|
nvmf_trace_command(req->cmd, conn->type);
|
||||||
|
|
||||||
req->length = 0;
|
req->length = 0;
|
||||||
req->xfer = SPDK_NVME_DATA_NONE;
|
req->xfer = SPDK_NVME_DATA_NONE;
|
||||||
req->data = NULL;
|
req->data = NULL;
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user