/*-
* 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <ctype.h>
#include <err.h>
#include <fcntl.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "nvmecontrol.h"
#include "nvmecontrol_ext.h"
#define IDENTIFY_USAGE \
"identify [-x [-v]] <controller id|namespace id>\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;
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");
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);