/*- * BSD LICENSE * * Copyright (c) Intel Corporation. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name of Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "spdk/stdinc.h" #include "nvmf_internal.h" #include "transport.h" #include "spdk/thread.h" #include "spdk/likely.h" #include "spdk/nvme.h" #include "spdk/nvmf_spec.h" #include "spdk/trace.h" #include "spdk_internal/assert.h" #include "spdk_internal/log.h" static void spdk_nvmf_qpair_request_cleanup(struct spdk_nvmf_qpair *qpair) { if (qpair->state == SPDK_NVMF_QPAIR_DEACTIVATING) { assert(qpair->state_cb != NULL); if (TAILQ_EMPTY(&qpair->outstanding)) { qpair->state_cb(qpair->state_cb_arg, 0); } } else { assert(qpair->state == SPDK_NVMF_QPAIR_ACTIVE); } } int spdk_nvmf_request_free(struct spdk_nvmf_request *req) { struct spdk_nvmf_qpair *qpair = req->qpair; TAILQ_REMOVE(&qpair->outstanding, req, link); if (spdk_nvmf_transport_req_free(req)) { SPDK_ERRLOG("Unable to free transport level request resources.\n"); } spdk_nvmf_qpair_request_cleanup(qpair); return 0; } int spdk_nvmf_request_complete(struct spdk_nvmf_request *req) { struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl; struct spdk_nvmf_qpair *qpair; rsp->sqid = 0; rsp->status.p = 0; rsp->cid = req->cmd->nvme_cmd.cid; qpair = req->qpair; SPDK_DEBUGLOG(SPDK_LOG_NVMF, "cpl: cid=%u cdw0=0x%08x rsvd1=%u status=0x%04x\n", rsp->cid, rsp->cdw0, rsp->rsvd1, *(uint16_t *)&rsp->status); TAILQ_REMOVE(&qpair->outstanding, req, link); if (spdk_nvmf_transport_req_complete(req)) { SPDK_ERRLOG("Transport request completion error!\n"); } spdk_nvmf_qpair_request_cleanup(qpair); return 0; } static void nvmf_trace_command(union nvmf_h2c_msg *h2c_msg, bool is_admin_queue) { 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; if (cmd->opc == SPDK_NVME_OPC_FABRIC) { opc = cap_hdr->fctype; SPDK_DEBUGLOG(SPDK_LOG_NVMF, "%s Fabrics cmd: fctype 0x%02x cid %u\n", is_admin_queue ? "Admin" : "I/O", cap_hdr->fctype, cap_hdr->cid); } else { opc = cmd->opc; SPDK_DEBUGLOG(SPDK_LOG_NVMF, "%s cmd: opc 0x%02x fuse %u cid %u nsid %u cdw10 0x%08x\n", is_admin_queue ? "Admin" : "I/O", cmd->opc, cmd->fuse, cmd->cid, cmd->nsid, cmd->cdw10); if (cmd->mptr) { SPDK_DEBUGLOG(SPDK_LOG_NVMF, "mptr 0x%" PRIx64 "\n", cmd->mptr); } if (cmd->psdt != SPDK_NVME_PSDT_SGL_MPTR_CONTIG && cmd->psdt != SPDK_NVME_PSDT_SGL_MPTR_SGL) { SPDK_DEBUGLOG(SPDK_LOG_NVMF, "psdt %u\n", cmd->psdt); } } if (spdk_nvme_opc_get_data_transfer(opc) != SPDK_NVME_DATA_NONE) { if (sgl->generic.type == SPDK_NVME_SGL_TYPE_KEYED_DATA_BLOCK) { SPDK_DEBUGLOG(SPDK_LOG_NVMF, "SGL: Keyed%s: addr 0x%" PRIx64 " key 0x%x len 0x%x\n", sgl->generic.subtype == SPDK_NVME_SGL_SUBTYPE_INVALIDATE_KEY ? " (Inv)" : "", sgl->address, sgl->keyed.key, sgl->keyed.length); } else if (sgl->generic.type == SPDK_NVME_SGL_TYPE_DATA_BLOCK) { SPDK_DEBUGLOG(SPDK_LOG_NVMF, "SGL: Data block: %s 0x%" PRIx64 " len 0x%x\n", sgl->unkeyed.subtype == SPDK_NVME_SGL_SUBTYPE_OFFSET ? "offs" : "addr", sgl->address, sgl->unkeyed.length); } else { SPDK_DEBUGLOG(SPDK_LOG_NVMF, "SGL type 0x%x subtype 0x%x\n", sgl->generic.type, sgl->generic.subtype); } } } void spdk_nvmf_request_exec(struct spdk_nvmf_request *req) { struct spdk_nvmf_qpair *qpair = req->qpair; spdk_nvmf_request_exec_status status; nvmf_trace_command(req->cmd, spdk_nvmf_qpair_is_admin_queue(qpair)); if (qpair->state != SPDK_NVMF_QPAIR_ACTIVE) { req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC; req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR; /* Place the request on the outstanding list so we can keep track of it */ TAILQ_INSERT_TAIL(&qpair->outstanding, req, link); spdk_nvmf_request_complete(req); return; } /* Check if the subsystem is paused (if there is a subsystem) */ if (qpair->ctrlr) { struct spdk_nvmf_subsystem_poll_group *sgroup = &qpair->group->sgroups[qpair->ctrlr->subsys->id]; if (sgroup->state != SPDK_NVMF_SUBSYSTEM_ACTIVE) { /* The subsystem is not currently active. Queue this request. */ TAILQ_INSERT_TAIL(&sgroup->queued, req, link); return; } } /* Place the request on the outstanding list so we can keep track of it */ TAILQ_INSERT_TAIL(&qpair->outstanding, req, link); if (spdk_unlikely(req->cmd->nvmf_cmd.opcode == SPDK_NVME_OPC_FABRIC)) { status = spdk_nvmf_ctrlr_process_fabrics_cmd(req); } else if (spdk_unlikely(spdk_nvmf_qpair_is_admin_queue(qpair))) { status = spdk_nvmf_ctrlr_process_admin_cmd(req); } else { status = spdk_nvmf_ctrlr_process_io_cmd(req); } if (status == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) { spdk_nvmf_request_complete(req); } }