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/*-
* 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 <sys/ioccom.h>
#include <sys/stat.h>
#include <ctype.h>
#include <dlfcn.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <libutil.h>
#include <paths.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"
static void
print_bytes(void *data, uint32_t length)
{
uint32_t i, j;
uint8_t *p, *end;
end = (uint8_t *)data + length;
for (i = 0; i < length; i++) {
p = (uint8_t *)data + (i*16);
printf("%03x: ", i*16);
for (j = 0; j < 16 && p < end; j++)
printf("%02x ", *p++);
if (p >= end)
break;
printf("\n");
}
printf("\n");
}
static void
print_dwords(void *data, uint32_t length)
{
uint32_t *p;
uint32_t i, j;
p = (uint32_t *)data;
length /= sizeof(uint32_t);
for (i = 0; i < length; i+=8) {
printf("%03x: ", i*4);
for (j = 0; j < 8; j++)
printf("%08x ", p[i+j]);
printf("\n");
}
printf("\n");
}
void
print_hex(void *data, uint32_t length)
{
if (length >= sizeof(uint32_t) || length % sizeof(uint32_t) == 0)
print_dwords(data, length);
else
print_bytes(data, length);
}
int
read_controller_data(int fd, struct nvme_controller_data *cdata)
{
struct nvme_pt_command pt;
memset(&pt, 0, sizeof(pt));
pt.cmd.opc = NVME_OPC_IDENTIFY;
pt.cmd.cdw10 = htole32(1);
pt.buf = cdata;
pt.len = sizeof(*cdata);
pt.is_read = 1;
if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
return (errno);
/* Convert data to host endian */
nvme_controller_data_swapbytes(cdata);
if (nvme_completion_is_error(&pt.cpl))
return (EIO);
return (0);
}
int
read_namespace_data(int fd, uint32_t nsid, struct nvme_namespace_data *nsdata)
{
struct nvme_pt_command pt;
memset(&pt, 0, sizeof(pt));
pt.cmd.opc = NVME_OPC_IDENTIFY;
pt.cmd.nsid = htole32(nsid);
pt.cmd.cdw10 = htole32(0);
pt.buf = nsdata;
pt.len = sizeof(*nsdata);
pt.is_read = 1;
if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
return (errno);
/* Convert data to host endian */
nvme_namespace_data_swapbytes(nsdata);
if (nvme_completion_is_error(&pt.cpl))
return (EIO);
return (0);
}
int
open_dev(const char *str, int *fd, int write, int exit_on_error)
{
char full_path[64];
snprintf(full_path, sizeof(full_path), _PATH_DEV"%s", str);
*fd = open(full_path, write ? O_RDWR : O_RDONLY);
if (*fd < 0) {
if (exit_on_error) {
err(EX_OSFILE, "could not open %s%s", full_path,
write ? " for write" : "");
} else
return (errno);
}
return (0);
}
void
get_nsid(int fd, char **ctrlr_str, uint32_t *nsid)
{
struct nvme_get_nsid gnsid;
if (ioctl(fd, NVME_GET_NSID, &gnsid) < 0)
err(EX_OSERR, "NVME_GET_NSID ioctl failed");
if (ctrlr_str != NULL)
*ctrlr_str = strndup(gnsid.cdev, sizeof(gnsid.cdev));
if (nsid != NULL)
*nsid = gnsid.nsid;
}
int
main(int argc, char *argv[])
{
static char dir[MAXPATHLEN];
cmd_init();
cmd_load_dir("/lib/nvmecontrol", NULL, NULL);
snprintf(dir, MAXPATHLEN, "%s/lib/nvmecontrol", getlocalbase());
cmd_load_dir(dir, NULL, NULL);
cmd_dispatch(argc, argv, NULL);
return (0);
}
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