136 lines
3.8 KiB
C
136 lines
3.8 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2020 Chuck Tuffli
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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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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#include <sys/param.h>
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#include <sys/ioccom.h>
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#include <ctype.h>
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#include <err.h>
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#include <fcntl.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sysexits.h>
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#include <unistd.h>
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#include "nvmecontrol.h"
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#define SELFTEST_CODE_NONE 0xffu
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#define SELFTEST_CODE_MAX 0xfu
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static struct options {
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const char *dev;
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uint8_t stc; /* Self-test Code */
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} opt = {
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.dev = NULL,
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.stc = SELFTEST_CODE_NONE,
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};
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static void
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selftest_op(int fd, uint32_t nsid, uint8_t stc)
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{
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struct nvme_pt_command pt;
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memset(&pt, 0, sizeof(pt));
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pt.cmd.opc = NVME_OPC_DEVICE_SELF_TEST;
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pt.cmd.nsid = htole32(nsid);
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pt.cmd.cdw10 = htole32(stc);
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if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
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err(EX_IOERR, "self-test request failed");
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if (NVME_STATUS_GET_SCT(pt.cpl.status) == NVME_SCT_COMMAND_SPECIFIC &&
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NVME_STATUS_GET_SC(pt.cpl.status) == NVME_SC_SELF_TEST_IN_PROGRESS)
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errx(EX_UNAVAILABLE, "device self-test in progress");
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else if (nvme_completion_is_error(&pt.cpl))
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errx(EX_IOERR, "self-test request returned error");
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}
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static void
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selftest(const struct cmd *f, int argc, char *argv[])
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{
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struct nvme_controller_data cdata;
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int fd;
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char *path;
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uint32_t nsid;
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if (arg_parse(argc, argv, f))
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return;
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open_dev(opt.dev, &fd, 1, 1);
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get_nsid(fd, &path, &nsid);
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if (nsid != 0) {
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close(fd);
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open_dev(path, &fd, 1, 1);
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}
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free(path);
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if (opt.stc == SELFTEST_CODE_NONE)
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errx(EX_USAGE, "must specify a Self-test Code");
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else if (opt.stc > SELFTEST_CODE_MAX)
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errx(EX_DATAERR, "illegal Self-test Code 0x%x", opt.stc);
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if (read_controller_data(fd, &cdata))
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errx(EX_IOERR, "Identify request failed");
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if (((cdata.oacs >> NVME_CTRLR_DATA_OACS_SELFTEST_SHIFT) &
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NVME_CTRLR_DATA_OACS_SELFTEST_MASK) == 0)
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errx(EX_UNAVAILABLE, "controller does not support self-test");
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selftest_op(fd, nsid, opt.stc);
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close(fd);
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exit(0);
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}
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static const struct opts selftest_opts[] = {
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#define OPT(l, s, t, opt, addr, desc) { l, s, t, &opt.addr, desc }
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OPT("test-code", 'c', arg_uint8, opt, stc,
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"Self-test Code to execute"),
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{ NULL, 0, arg_none, NULL, NULL }
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};
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#undef OPT
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static struct args selftest_args[] = {
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{ arg_string, &opt.dev, "controller-id|namespace-id" },
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{ arg_none, NULL, NULL },
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};
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static struct cmd selftest_cmd = {
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.name = "selftest",
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.fn = selftest,
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.descr = "Start device self-test",
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.ctx_size = sizeof(opt),
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.opts = selftest_opts,
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.args = selftest_args,
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};
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CMD_COMMAND(selftest_cmd);
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