823b565b5f
These commands can now pause a subsystem if they need to operate on it. We don't currently implement any of the NVMe commands that would need to pause, so this patch is simpler than most would expect. Change-Id: I25bfdf8e7577cda2bb0ce248d2889447032b9b4c Signed-off-by: Ben Walker <benjamin.walker@intel.com> Reviewed-on: https://review.gerrithub.io/394121 Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
140 lines
4.9 KiB
C
140 lines
4.9 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "spdk/stdinc.h"
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#include "nvmf_internal.h"
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#include "transport.h"
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#include "spdk/io_channel.h"
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#include "spdk/likely.h"
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#include "spdk/nvme.h"
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#include "spdk/nvmf_spec.h"
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#include "spdk/trace.h"
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#include "spdk_internal/assert.h"
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#include "spdk_internal/log.h"
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int
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spdk_nvmf_request_complete(struct spdk_nvmf_request *req)
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{
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struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
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rsp->sqid = 0;
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rsp->status.p = 0;
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rsp->cid = req->cmd->nvme_cmd.cid;
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SPDK_DEBUGLOG(SPDK_LOG_NVMF,
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"cpl: cid=%u cdw0=0x%08x rsvd1=%u status=0x%04x\n",
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rsp->cid, rsp->cdw0, rsp->rsvd1,
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*(uint16_t *)&rsp->status);
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if (spdk_nvmf_transport_req_complete(req)) {
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SPDK_ERRLOG("Transport request completion error!\n");
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}
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return 0;
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}
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static void
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nvmf_trace_command(union nvmf_h2c_msg *h2c_msg, enum spdk_nvmf_qpair_type qpair_type)
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{
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struct spdk_nvmf_capsule_cmd *cap_hdr = &h2c_msg->nvmf_cmd;
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struct spdk_nvme_cmd *cmd = &h2c_msg->nvme_cmd;
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struct spdk_nvme_sgl_descriptor *sgl = &cmd->dptr.sgl1;
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uint8_t opc;
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if (cmd->opc == SPDK_NVME_OPC_FABRIC) {
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opc = cap_hdr->fctype;
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SPDK_DEBUGLOG(SPDK_LOG_NVMF, "%s Fabrics cmd: fctype 0x%02x cid %u\n",
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qpair_type == QPAIR_TYPE_AQ ? "Admin" : "I/O",
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cap_hdr->fctype, cap_hdr->cid);
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} else {
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opc = cmd->opc;
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SPDK_DEBUGLOG(SPDK_LOG_NVMF, "%s cmd: opc 0x%02x fuse %u cid %u nsid %u cdw10 0x%08x\n",
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qpair_type == QPAIR_TYPE_AQ ? "Admin" : "I/O",
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cmd->opc, cmd->fuse, cmd->cid, cmd->nsid, cmd->cdw10);
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if (cmd->mptr) {
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SPDK_DEBUGLOG(SPDK_LOG_NVMF, "mptr 0x%" PRIx64 "\n", cmd->mptr);
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}
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if (cmd->psdt != SPDK_NVME_PSDT_SGL_MPTR_CONTIG &&
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cmd->psdt != SPDK_NVME_PSDT_SGL_MPTR_SGL) {
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SPDK_DEBUGLOG(SPDK_LOG_NVMF, "psdt %u\n", cmd->psdt);
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}
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}
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if (spdk_nvme_opc_get_data_transfer(opc) != SPDK_NVME_DATA_NONE) {
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if (sgl->generic.type == SPDK_NVME_SGL_TYPE_KEYED_DATA_BLOCK) {
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SPDK_DEBUGLOG(SPDK_LOG_NVMF,
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"SGL: Keyed%s: addr 0x%" PRIx64 " key 0x%x len 0x%x\n",
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sgl->generic.subtype == SPDK_NVME_SGL_SUBTYPE_INVALIDATE_KEY ? " (Inv)" : "",
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sgl->address, sgl->keyed.key, sgl->keyed.length);
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} else if (sgl->generic.type == SPDK_NVME_SGL_TYPE_DATA_BLOCK) {
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SPDK_DEBUGLOG(SPDK_LOG_NVMF, "SGL: Data block: %s 0x%" PRIx64 " len 0x%x\n",
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sgl->unkeyed.subtype == SPDK_NVME_SGL_SUBTYPE_OFFSET ? "offs" : "addr",
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sgl->address, sgl->unkeyed.length);
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} else {
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SPDK_DEBUGLOG(SPDK_LOG_NVMF, "SGL type 0x%x subtype 0x%x\n",
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sgl->generic.type, sgl->generic.subtype);
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}
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}
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}
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void
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spdk_nvmf_request_exec(struct spdk_nvmf_request *req)
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{
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struct spdk_nvmf_qpair *qpair = req->qpair;
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spdk_nvmf_request_exec_status status;
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nvmf_trace_command(req->cmd, qpair->type);
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if (spdk_unlikely(req->cmd->nvmf_cmd.opcode == SPDK_NVME_OPC_FABRIC)) {
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status = spdk_nvmf_ctrlr_process_fabrics_cmd(req);
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} else if (spdk_unlikely(qpair->type == QPAIR_TYPE_AQ)) {
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status = spdk_nvmf_ctrlr_process_admin_cmd(req);
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} else {
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status = spdk_nvmf_ctrlr_process_io_cmd(req);
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}
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if (status == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {
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spdk_nvmf_request_complete(req);
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}
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}
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int
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spdk_nvmf_request_abort(struct spdk_nvmf_request *req)
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{
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/* TODO: implement abort, at least for commands that are still queued in software */
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return -1;
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}
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