freebsd-dev/sbin/nvmecontrol/devlist.c
Wojciech Macek 0d787e9b35 NVMe: Add big-endian support
Remove bitfields from defined structures as they are not portable.
Instead use shift and mask macros in the driver and nvmecontrol application.

NVMe is now working on powerpc64 host.

Submitted by:          Michal Stanek <mst@semihalf.com>
Obtained from:         Semihalf
Reviewed by:           imp, wma
Sponsored by:          IBM, QCM Technologies
Differential revision: https://reviews.freebsd.org/D13916
2018-02-22 13:32:31 +00:00

125 lines
3.2 KiB
C

/*-
* 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 <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 "nvmecontrol.h"
static void
devlist_usage(void)
{
fprintf(stderr, "usage:\n");
fprintf(stderr, DEVLIST_USAGE);
exit(1);
}
static inline uint32_t
ns_get_sector_size(struct nvme_namespace_data *nsdata)
{
uint8_t flbas_fmt, lbads;
flbas_fmt = (nsdata->flbas >> NVME_NS_DATA_FLBAS_FORMAT_SHIFT) &
NVME_NS_DATA_FLBAS_FORMAT_MASK;
lbads = (nsdata->lbaf[flbas_fmt] >> NVME_NS_DATA_LBAF_LBADS_SHIFT) &
NVME_NS_DATA_LBAF_LBADS_MASK;
return (1 << lbads);
}
void
devlist(int argc, char *argv[])
{
struct nvme_controller_data cdata;
struct nvme_namespace_data nsdata;
char name[64];
uint8_t mn[64];
uint32_t i;
int ch, ctrlr, fd, found, ret;
while ((ch = getopt(argc, argv, "")) != -1) {
switch ((char)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, cdata.mn, sizeof(mn), NVME_MODEL_NUMBER_LENGTH);
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);
}