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NVMECONTROL(8): Import from FreeBSD

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Update #3821.
This commit is contained in:
Sebastian Huber
2019-11-13 12:57:55 +01:00
parent 623e179ae5
commit ddc8c35cdd
22 changed files with 6071 additions and 0 deletions
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293
freebsd/sbin/nvmecontrol/identify.c Normal file
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#include <machine/rtems-bsd-user-space.h>
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (C) 2012-2013 Intel Corporation
* All rights reserved.
* Copyright (C) 2018-2019 Alexander Motin <mav@FreeBSD.org>
*
* 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 <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "nvmecontrol.h"
#include "nvmecontrol_ext.h"
#define NONE 0xfffffffeu
static struct options {
bool hex;
bool verbose;
const char *dev;
uint32_t nsid;
} opt = {
.hex = false,
.verbose = false,
.dev = NULL,
.nsid = NONE,
};
void
print_namespace(struct nvme_namespace_data *nsdata)
{
char cbuf[UINT128_DIG + 1];
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: %lld blocks\n",
(long long)nsdata->nsze);
printf("Capacity: %lld blocks\n",
(long long)nsdata->ncap);
printf("Utilization: %lld blocks\n",
(long long)nsdata->nuse);
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: %u blocks\n", nsdata->noiob);
printf("NVM Capacity: %s bytes\n",
uint128_to_str(to128(nsdata->nvmcap), cbuf, sizeof(cbuf)));
if ((nsdata->nsfeat >> NVME_NS_DATA_NSFEAT_NPVALID_SHIFT) &
NVME_NS_DATA_NSFEAT_NPVALID_MASK) {
printf("Preferred Write Granularity: %u blocks",
nsdata->npwg + 1);
printf("Preferred Write Alignment: %u blocks",
nsdata->npwa + 1);
printf("Preferred Deallocate Granul: %u blocks",
nsdata->npdg + 1);
printf("Preferred Deallocate Align: %u blocks",
nsdata->npda + 1);
printf("Optimal Write Size: %u blocks",
nsdata->nows + 1);
}
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(int fd)
{
struct nvme_controller_data cdata;
int hexlength;
read_controller_data(fd, &cdata);
close(fd);
if (opt.hex) {
if (opt.verbose)
hexlength = sizeof(struct nvme_controller_data);
else
hexlength = offsetof(struct nvme_controller_data,
reserved8);
print_hex(&cdata, hexlength);
exit(0);
}
nvme_print_controller(&cdata);
exit(0);
}
static void
identify_ns(int fd, uint32_t nsid)
{
struct nvme_namespace_data nsdata;
int hexlength;
read_namespace_data(fd, nsid, &nsdata);
close(fd);
if (opt.hex) {
if (opt.verbose)
hexlength = sizeof(struct nvme_namespace_data);
else
hexlength = offsetof(struct nvme_namespace_data,
reserved6);
print_hex(&nsdata, hexlength);
exit(0);
}
print_namespace(&nsdata);
exit(0);
}
static void
identify(const struct cmd *f, int argc, char *argv[])
{
char *path;
int fd;
uint32_t nsid;
arg_parse(argc, argv, f);
open_dev(opt.dev, &fd, 1, 1);
get_nsid(fd, &path, &nsid);
if (nsid != 0) {
/*
* We got namespace device, but we need to 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.
*/
close(fd);
open_dev(path, &fd, 1, 1);
}
free(path);
if (opt.nsid != NONE)
nsid = opt.nsid;
if (nsid == 0)
identify_ctrlr(fd);
else
identify_ns(fd, nsid);
}
static const struct opts identify_opts[] = {
#define OPT(l, s, t, opt, addr, desc) { l, s, t, &opt.addr, desc }
OPT("hex", 'x', arg_none, opt, hex,
"Print identiy information in hex"),
OPT("verbose", 'v', arg_none, opt, verbose,
"More verbosity: print entire identify table"),
OPT("nsid", 'n', arg_uint32, opt, nsid,
"Namespace ID to use if not in device name"),
{ NULL, 0, arg_none, NULL, NULL }
};
#undef OPT
static const struct args identify_args[] = {
{ arg_string, &opt.dev, "controller-id|namespace-id" },
{ arg_none, NULL, NULL },
};
static struct cmd identify_cmd = {
.name = "identify",
.fn = identify,
.descr = "Print summary of the IDENTIFY information",
.ctx_size = sizeof(opt),
.opts = identify_opts,
.args = identify_args,
};
CMD_COMMAND(identify_cmd);