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sbin/nvmecontrol/selftest.c
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/*- | |||||
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD | |||||
* | |||||
* Copyright (c) 2020 Chuck Tuffli | |||||
* | |||||
* 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 <sys/ioccom.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 <sysexits.h> | |||||
#include <unistd.h> | |||||
#include "nvmecontrol.h" | |||||
#define SELFTEST_CODE_NONE 0xffu | |||||
#define SELFTEST_CODE_MAX 0xfu | |||||
static struct options { | |||||
const char *dev; | |||||
uint8_t stc; /* Self-test Code */ | |||||
} opt = { | |||||
.dev = NULL, | |||||
.stc = SELFTEST_CODE_NONE, | |||||
}; | |||||
static void | |||||
selftest_op(int fd, uint32_t nsid, uint8_t stc) | |||||
{ | |||||
struct nvme_pt_command pt; | |||||
memset(&pt, 0, sizeof(pt)); | |||||
pt.cmd.opc = NVME_OPC_DEVICE_SELF_TEST; | |||||
pt.cmd.nsid = htole32(nsid); | |||||
pt.cmd.cdw10 = htole32(stc); | |||||
if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0) | |||||
err(EX_IOERR, "self-test request failed"); | |||||
if (NVME_STATUS_GET_SCT(pt.cpl.status) == NVME_SCT_COMMAND_SPECIFIC && | |||||
NVME_STATUS_GET_SC(pt.cpl.status) == NVME_SC_SELF_TEST_IN_PROGRESS) | |||||
errx(EX_UNAVAILABLE, "device self-test in progress"); | |||||
else if (nvme_completion_is_error(&pt.cpl)) | |||||
errx(EX_IOERR, "self-test request returned error"); | |||||
} | |||||
static void | |||||
selftest(const struct cmd *f, int argc, char *argv[]) | |||||
{ | |||||
struct nvme_controller_data cdata; | |||||
int fd; | |||||
char *path; | |||||
uint32_t nsid; | |||||
if (arg_parse(argc, argv, f)) | |||||
return; | |||||
open_dev(opt.dev, &fd, 1, 1); | |||||
get_nsid(fd, &path, &nsid); | |||||
if (nsid != 0) { | |||||
close(fd); | |||||
open_dev(path, &fd, 1, 1); | |||||
} | |||||
free(path); | |||||
if (opt.stc == SELFTEST_CODE_NONE) | |||||
errx(EX_USAGE, "must specify a Self-test Code"); | |||||
else if (opt.stc > SELFTEST_CODE_MAX) | |||||
errx(EX_DATAERR, "illegal Self-test Code 0x%x", opt.stc); | |||||
if (read_controller_data(fd, &cdata)) | |||||
errx(EX_IOERR, "Identify request failed"); | |||||
if (((cdata.oacs >> NVME_CTRLR_DATA_OACS_SELFTEST_SHIFT) & | |||||
NVME_CTRLR_DATA_OACS_SELFTEST_MASK) == 0) | |||||
errx(EX_UNAVAILABLE, "controller does not support self-test"); | |||||
selftest_op(fd, nsid, opt.stc); | |||||
close(fd); | |||||
exit(0); | |||||
} | |||||
static const struct opts selftest_opts[] = { | |||||
#define OPT(l, s, t, opt, addr, desc) { l, s, t, &opt.addr, desc } | |||||
OPT("test-code", 'c', arg_uint8, opt, stc, | |||||
"Self-test Code to execute"), | |||||
{ NULL, 0, arg_none, NULL, NULL } | |||||
}; | |||||
#undef OPT | |||||
static struct args selftest_args[] = { | |||||
{ arg_string, &opt.dev, "controller-id|namespace-id" }, | |||||
{ arg_none, NULL, NULL }, | |||||
}; | |||||
static struct cmd selftest_cmd = { | |||||
.name = "selftest", | |||||
.fn = selftest, | |||||
.descr = "Start device self-test", | |||||
.ctx_size = sizeof(opt), | |||||
.opts = selftest_opts, | |||||
.args = selftest_args, | |||||
}; | |||||
CMD_COMMAND(selftest_cmd); |