/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (C) 2012-2013 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: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include "nvmecontrol.h" #include "nvmecontrol_ext.h" #define IDENTIFY_USAGE \ "identify [-x [-v]] \n" static void print_namespace(struct nvme_namespace_data *nsdata) { uint32_t i; uint32_t lbaf, lbads, ms, rp; uint8_t thin_prov, ptype; uint8_t flbas_fmt, t; thin_prov = (nsdata->nsfeat >> NVME_NS_DATA_NSFEAT_THIN_PROV_SHIFT) & NVME_NS_DATA_NSFEAT_THIN_PROV_MASK; flbas_fmt = (nsdata->flbas >> NVME_NS_DATA_FLBAS_FORMAT_SHIFT) & NVME_NS_DATA_FLBAS_FORMAT_MASK; printf("Size (in LBAs): %lld (%lldM)\n", (long long)nsdata->nsze, (long long)nsdata->nsze / 1024 / 1024); printf("Capacity (in LBAs): %lld (%lldM)\n", (long long)nsdata->ncap, (long long)nsdata->ncap / 1024 / 1024); printf("Utilization (in LBAs): %lld (%lldM)\n", (long long)nsdata->nuse, (long long)nsdata->nuse / 1024 / 1024); printf("Thin Provisioning: %s\n", thin_prov ? "Supported" : "Not Supported"); printf("Number of LBA Formats: %d\n", nsdata->nlbaf+1); printf("Current LBA Format: LBA Format #%02d\n", flbas_fmt); printf("Data Protection Caps: %s%s%s%s%s%s\n", (nsdata->dpc == 0) ? "Not Supported" : "", ((nsdata->dpc >> NVME_NS_DATA_DPC_MD_END_SHIFT) & NVME_NS_DATA_DPC_MD_END_MASK) ? "Last Bytes, " : "", ((nsdata->dpc >> NVME_NS_DATA_DPC_MD_START_SHIFT) & NVME_NS_DATA_DPC_MD_START_MASK) ? "First Bytes, " : "", ((nsdata->dpc >> NVME_NS_DATA_DPC_PIT3_SHIFT) & NVME_NS_DATA_DPC_PIT3_MASK) ? "Type 3, " : "", ((nsdata->dpc >> NVME_NS_DATA_DPC_PIT2_SHIFT) & NVME_NS_DATA_DPC_PIT2_MASK) ? "Type 2, " : "", ((nsdata->dpc >> NVME_NS_DATA_DPC_PIT2_MASK) & NVME_NS_DATA_DPC_PIT1_MASK) ? "Type 1" : ""); printf("Data Protection Settings: "); ptype = (nsdata->dps >> NVME_NS_DATA_DPS_PIT_SHIFT) & NVME_NS_DATA_DPS_PIT_MASK; if (ptype) { printf("Type %d, %s Bytes\n", ptype, ((nsdata->dps >> NVME_NS_DATA_DPS_MD_START_SHIFT) & NVME_NS_DATA_DPS_MD_START_MASK) ? "First" : "Last"); } else { printf("Not Enabled\n"); } printf("Multi-Path I/O Capabilities: %s%s\n", (nsdata->nmic == 0) ? "Not Supported" : "", ((nsdata->nmic >> NVME_NS_DATA_NMIC_MAY_BE_SHARED_SHIFT) & NVME_NS_DATA_NMIC_MAY_BE_SHARED_MASK) ? "May be shared" : ""); printf("Reservation Capabilities: %s%s%s%s%s%s%s%s%s\n", (nsdata->rescap == 0) ? "Not Supported" : "", ((nsdata->rescap >> NVME_NS_DATA_RESCAP_IEKEY13_SHIFT) & NVME_NS_DATA_RESCAP_IEKEY13_MASK) ? "IEKEY13, " : "", ((nsdata->rescap >> NVME_NS_DATA_RESCAP_EX_AC_AR_SHIFT) & NVME_NS_DATA_RESCAP_EX_AC_AR_MASK) ? "EX_AC_AR, " : "", ((nsdata->rescap >> NVME_NS_DATA_RESCAP_WR_EX_AR_SHIFT) & NVME_NS_DATA_RESCAP_WR_EX_AR_MASK) ? "WR_EX_AR, " : "", ((nsdata->rescap >> NVME_NS_DATA_RESCAP_EX_AC_RO_SHIFT) & NVME_NS_DATA_RESCAP_EX_AC_RO_MASK) ? "EX_AC_RO, " : "", ((nsdata->rescap >> NVME_NS_DATA_RESCAP_WR_EX_RO_SHIFT) & NVME_NS_DATA_RESCAP_WR_EX_RO_MASK) ? "WR_EX_RO, " : "", ((nsdata->rescap >> NVME_NS_DATA_RESCAP_EX_AC_SHIFT) & NVME_NS_DATA_RESCAP_EX_AC_MASK) ? "EX_AC, " : "", ((nsdata->rescap >> NVME_NS_DATA_RESCAP_WR_EX_SHIFT) & NVME_NS_DATA_RESCAP_WR_EX_MASK) ? "WR_EX, " : "", ((nsdata->rescap >> NVME_NS_DATA_RESCAP_PTPL_SHIFT) & NVME_NS_DATA_RESCAP_PTPL_MASK) ? "PTPL" : ""); printf("Format Progress Indicator: "); if ((nsdata->fpi >> NVME_NS_DATA_FPI_SUPP_SHIFT) & NVME_NS_DATA_FPI_SUPP_MASK) { printf("%u%% remains\n", (nsdata->fpi >> NVME_NS_DATA_FPI_PERC_SHIFT) & NVME_NS_DATA_FPI_PERC_MASK); } else printf("Not Supported\n"); t = (nsdata->dlfeat >> NVME_NS_DATA_DLFEAT_READ_SHIFT) & NVME_NS_DATA_DLFEAT_READ_MASK; printf("Deallocate Logical Block: Read %s%s%s\n", (t == NVME_NS_DATA_DLFEAT_READ_NR) ? "Not Reported" : (t == NVME_NS_DATA_DLFEAT_READ_00) ? "00h" : (t == NVME_NS_DATA_DLFEAT_READ_FF) ? "FFh" : "Unknown", (nsdata->dlfeat >> NVME_NS_DATA_DLFEAT_DWZ_SHIFT) & NVME_NS_DATA_DLFEAT_DWZ_MASK ? ", Write Zero" : "", (nsdata->dlfeat >> NVME_NS_DATA_DLFEAT_GCRC_SHIFT) & NVME_NS_DATA_DLFEAT_GCRC_MASK ? ", Guard CRC" : ""); printf("Optimal I/O Boundary (LBAs): %u\n", nsdata->noiob); printf("Globally Unique Identifier: "); for (i = 0; i < sizeof(nsdata->nguid); i++) printf("%02x", nsdata->nguid[i]); printf("\n"); printf("IEEE EUI64: "); for (i = 0; i < sizeof(nsdata->eui64); i++) printf("%02x", nsdata->eui64[i]); printf("\n"); for (i = 0; i <= nsdata->nlbaf; i++) { lbaf = nsdata->lbaf[i]; lbads = (lbaf >> NVME_NS_DATA_LBAF_LBADS_SHIFT) & NVME_NS_DATA_LBAF_LBADS_MASK; ms = (lbaf >> NVME_NS_DATA_LBAF_MS_SHIFT) & NVME_NS_DATA_LBAF_MS_MASK; rp = (lbaf >> NVME_NS_DATA_LBAF_RP_SHIFT) & NVME_NS_DATA_LBAF_RP_MASK; printf("LBA Format #%02d: Data Size: %5d Metadata Size: %5d" " Performance: %s\n", i, 1 << lbads, ms, (rp == 0) ? "Best" : (rp == 1) ? "Better" : (rp == 2) ? "Good" : "Degraded"); } } static void identify_ctrlr(const struct nvme_function *nf, int argc, char *argv[]) { struct nvme_controller_data cdata; int ch, fd, hexflag = 0, hexlength; int verboseflag = 0; while ((ch = getopt(argc, argv, "vx")) != -1) { switch ((char)ch) { case 'v': verboseflag = 1; break; case 'x': hexflag = 1; break; default: usage(nf); } } /* Check that a controller was specified. */ if (optind >= argc) usage(nf); open_dev(argv[optind], &fd, 1, 1); read_controller_data(fd, &cdata); close(fd); if (hexflag == 1) { if (verboseflag == 1) hexlength = sizeof(struct nvme_controller_data); else hexlength = offsetof(struct nvme_controller_data, reserved8); print_hex(&cdata, hexlength); exit(0); } if (verboseflag == 1) { fprintf(stderr, "-v not currently supported without -x\n"); usage(nf); } nvme_print_controller(&cdata); exit(0); } static void identify_ns(const struct nvme_function *nf,int argc, char *argv[]) { struct nvme_namespace_data nsdata; char path[64]; int ch, fd, hexflag = 0, hexlength; int verboseflag = 0; uint32_t nsid; while ((ch = getopt(argc, argv, "vx")) != -1) { switch ((char)ch) { case 'v': verboseflag = 1; break; case 'x': hexflag = 1; break; default: usage(nf); } } /* Check that a namespace was specified. */ if (optind >= argc) usage(nf); /* * Check if the specified device node exists before continuing. * This is a cleaner check for cases where the correct controller * is specified, but an invalid namespace on that controller. */ open_dev(argv[optind], &fd, 1, 1); close(fd); /* * We send IDENTIFY commands to the controller, not the namespace, * since it is an admin cmd. The namespace ID will be specified in * the IDENTIFY command itself. So parse the namespace's device node * string to get the controller substring and namespace ID. */ parse_ns_str(argv[optind], path, &nsid); open_dev(path, &fd, 1, 1); read_namespace_data(fd, nsid, &nsdata); close(fd); if (hexflag == 1) { if (verboseflag == 1) hexlength = sizeof(struct nvme_namespace_data); else hexlength = offsetof(struct nvme_namespace_data, reserved6); print_hex(&nsdata, hexlength); exit(0); } if (verboseflag == 1) { fprintf(stderr, "-v not currently supported without -x\n"); usage(nf); } print_namespace(&nsdata); exit(0); } static void identify(const struct nvme_function *nf, int argc, char *argv[]) { char *target; if (argc < 2) usage(nf); while (getopt(argc, argv, "vx") != -1) ; /* Check that a controller or namespace was specified. */ if (optind >= argc) usage(nf); target = argv[optind]; optreset = 1; optind = 1; /* * If device node contains "ns", we consider it a namespace, * otherwise, consider it a controller. */ if (strstr(target, NVME_NS_PREFIX) == NULL) identify_ctrlr(nf, argc, argv); else identify_ns(nf, argc, argv); } NVME_COMMAND(top, identify, identify, IDENTIFY_USAGE);