NetBSD/sbin/nvmectl/devlist.c

128 lines
3.2 KiB
C

/* $NetBSD: devlist.c,v 1.6 2023/03/05 23:24:06 simonb Exp $ */
/*-
* 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>
#ifndef lint
__RCSID("$NetBSD: devlist.c,v 1.6 2023/03/05 23:24:06 simonb Exp $");
#if 0
__FBSDID("$FreeBSD: head/sbin/nvmecontrol/devlist.c 329824 2018-02-22 13:32:31Z wma $");
#endif
#endif
#include <sys/param.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <paths.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "nvmectl.h"
__dead static void
devlist_usage(void)
{
fprintf(stderr, "usage:\n");
fprintf(stderr, "\t%s " DEVLIST_USAGE, getprogname());
exit(1);
}
static inline uint32_t
ns_get_sector_size(struct nvm_identify_namespace *nsdata)
{
return 1 << nsdata->lbaf[NVME_ID_NS_FLBAS(nsdata->flbas)].lbads;
}
void
devlist(int argc, char *argv[])
{
struct nvm_identify_controller cdata;
struct nvm_identify_namespace nsdata;
char name[64];
uint8_t mn[64];
uint32_t i;
int ch, ctrlr, fd, found, ret;
while ((ch = getopt(argc, argv, "")) != -1) {
switch (ch) {
default:
devlist_usage();
}
}
ctrlr = -1;
found = 0;
while (1) {
ctrlr++;
sprintf(name, "%s%d", NVME_CTRLR_PREFIX, ctrlr);
ret = open_dev(name, &fd, 0, 0);
if (ret != 0) {
if (ret == EACCES) {
warnx("could not open "_PATH_DEV"%s\n", name);
continue;
} else
break;
}
found++;
read_controller_data(fd, &cdata);
nvme_strvis(mn, sizeof(mn), cdata.mn, sizeof(cdata.mn));
printf("%6s: %s\n", name, mn);
for (i = 0; i < cdata.nn; i++) {
sprintf(name, "%s%d%s%d", NVME_CTRLR_PREFIX, ctrlr,
NVME_NS_PREFIX, i+1);
read_namespace_data(fd, i+1, &nsdata);
printf(" %10s (%lldMB)\n",
name,
nsdata.nsze *
(long long)ns_get_sector_size(&nsdata) /
1024 / 1024);
}
close(fd);
}
if (found == 0) {
printf("No NVMe controllers found.\n");
exit(1);
}
exit(0);
}