1b44f31b19
with different signs. Due to the promotion rules, this would only happen on 32-bit platforms.
343 lines
8.8 KiB
C
343 lines
8.8 KiB
C
/*-
|
|
* Copyright (c) 2017 Netflix, Inc
|
|
* 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/endian.h>
|
|
|
|
#include <ctype.h>
|
|
#include <err.h>
|
|
#include <fcntl.h>
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "nvmecontrol.h"
|
|
|
|
#define WDC_NVME_TOC_SIZE 8
|
|
|
|
#define WDC_NVME_CAP_DIAG_OPCODE 0xe6
|
|
#define WDC_NVME_CAP_DIAG_CMD 0x0000
|
|
|
|
#define WDC_NVME_DIAG_OPCODE 0xc6
|
|
#define WDC_NVME_DRIVE_LOG_SIZE_CMD 0x0120
|
|
#define WDC_NVME_DRIVE_LOG_CMD 0x0020
|
|
#define WDC_NVME_CRASH_DUMP_SIZE_CMD 0x0320
|
|
#define WDC_NVME_CRASH_DUMP_CMD 0x0420
|
|
#define WDC_NVME_PFAIL_DUMP_SIZE_CMD 0x0520
|
|
#define WDC_NVME_PFAIL_DUMP_CMD 0x0620
|
|
|
|
#define WDC_NVME_CLEAR_DUMP_OPCODE 0xff
|
|
#define WDC_NVME_CLEAR_CRASH_DUMP_CMD 0x0503
|
|
#define WDC_NVME_CLEAR_PFAIL_DUMP_CMD 0x0603
|
|
|
|
static void wdc_cap_diag(int argc, char *argv[]);
|
|
static void wdc_drive_log(int argc, char *argv[]);
|
|
static void wdc_get_crash_dump(int argc, char *argv[]);
|
|
static void wdc_purge(int argc, char *argv[]);
|
|
static void wdc_purge_monitor(int argc, char *argv[]);
|
|
|
|
#define WDC_CAP_DIAG_USAGE "\tnvmecontrol wdc cap-diag [-o path-template]\n"
|
|
#define WDC_DRIVE_LOG_USAGE "\tnvmecontrol wdc drive-log [-o path-template]\n"
|
|
#define WDC_GET_CRASH_DUMP_USAGE "\tnvmecontrol wdc get-crash-dump [-o path-template]\n"
|
|
#define WDC_PURGE_USAGE "\tnvmecontrol wdc purge [-o path-template]\n"
|
|
#define WDC_PURGE_MONITOR_USAGE "\tnvmecontrol wdc purge-monitor\n"
|
|
|
|
static struct nvme_function wdc_funcs[] = {
|
|
{"cap-diag", wdc_cap_diag, WDC_CAP_DIAG_USAGE},
|
|
{"drive-log", wdc_drive_log, WDC_DRIVE_LOG_USAGE},
|
|
{"get-crash-dump", wdc_get_crash_dump, WDC_GET_CRASH_DUMP_USAGE},
|
|
{"purge", wdc_purge, WDC_PURGE_USAGE},
|
|
{"purge_monitor", wdc_purge_monitor, WDC_PURGE_MONITOR_USAGE},
|
|
{NULL, NULL, NULL},
|
|
};
|
|
|
|
static void
|
|
wdc_append_serial_name(int fd, char *buf, size_t len, const char *suffix)
|
|
{
|
|
struct nvme_controller_data cdata;
|
|
char sn[NVME_SERIAL_NUMBER_LENGTH + 1];
|
|
char *walker;
|
|
|
|
len -= strlen(buf);
|
|
buf += strlen(buf);
|
|
read_controller_data(fd, &cdata);
|
|
memcpy(sn, cdata.sn, NVME_SERIAL_NUMBER_LENGTH);
|
|
walker = sn + NVME_SERIAL_NUMBER_LENGTH - 1;
|
|
while (walker > sn && *walker == ' ')
|
|
walker--;
|
|
*++walker = '\0';
|
|
snprintf(buf, len, "%s%s.bin", sn, suffix);
|
|
}
|
|
|
|
static void
|
|
wdc_get_data(int fd, uint32_t opcode, uint32_t len, uint32_t off, uint32_t cmd,
|
|
uint8_t *buffer, size_t buflen)
|
|
{
|
|
struct nvme_pt_command pt;
|
|
|
|
memset(&pt, 0, sizeof(pt));
|
|
pt.cmd.opc = opcode;
|
|
pt.cmd.cdw10 = len / sizeof(uint32_t); /* - 1 like all the others ??? */
|
|
pt.cmd.cdw11 = off / sizeof(uint32_t);
|
|
pt.cmd.cdw12 = cmd;
|
|
pt.buf = buffer;
|
|
pt.len = buflen;
|
|
pt.is_read = 1;
|
|
// printf("opcode %#x cdw10(len) %#x cdw11(offset?) %#x cdw12(cmd/sub) %#x buflen %zd\n",
|
|
// (int)opcode, (int)cdw10, (int)cdw11, (int)cdw12, buflen);
|
|
|
|
if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
|
|
err(1, "wdc_get_data request failed");
|
|
if (nvme_completion_is_error(&pt.cpl))
|
|
errx(1, "wdc_get_data request returned error");
|
|
}
|
|
|
|
static void
|
|
wdc_do_dump(int fd, char *tmpl, const char *suffix, uint32_t opcode,
|
|
uint32_t size_cmd, uint32_t cmd, int len_off)
|
|
{
|
|
int fd2;
|
|
uint8_t *buf;
|
|
uint32_t len, offset;
|
|
ssize_t resid;
|
|
|
|
wdc_append_serial_name(fd, tmpl, MAXPATHLEN, suffix);
|
|
|
|
buf = aligned_alloc(PAGE_SIZE, WDC_NVME_TOC_SIZE);
|
|
if (buf == NULL)
|
|
errx(1, "Can't get buffer to get size");
|
|
wdc_get_data(fd, opcode, WDC_NVME_TOC_SIZE,
|
|
0, size_cmd, buf, WDC_NVME_TOC_SIZE);
|
|
len = be32dec(buf + len_off);
|
|
|
|
if (len == 0)
|
|
errx(1, "No data for %s", suffix);
|
|
|
|
printf("Dumping %d bytes to %s\n", len, tmpl);
|
|
/* XXX overwrite protection? */
|
|
fd2 = open(tmpl, O_WRONLY | O_CREAT | O_TRUNC);
|
|
if (fd2 < 0)
|
|
err(1, "open %s", tmpl);
|
|
offset = 0;
|
|
buf = aligned_alloc(PAGE_SIZE, NVME_MAX_XFER_SIZE);
|
|
if (buf == NULL)
|
|
errx(1, "Can't get buffer to read dump");
|
|
while (len > 0) {
|
|
resid = len > NVME_MAX_XFER_SIZE ? NVME_MAX_XFER_SIZE : len;
|
|
wdc_get_data(fd, opcode, resid, offset, cmd, buf, resid);
|
|
if (write(fd2, buf, resid) != resid)
|
|
err(1, "write");
|
|
offset += resid;
|
|
len -= resid;
|
|
}
|
|
free(buf);
|
|
close(fd2);
|
|
}
|
|
|
|
static void
|
|
wdc_do_clear_dump(int fd, uint32_t opcode, uint32_t cmd)
|
|
{
|
|
struct nvme_pt_command pt;
|
|
|
|
memset(&pt, 0, sizeof(pt));
|
|
pt.cmd.opc = opcode;
|
|
pt.cmd.cdw12 = cmd;
|
|
if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
|
|
err(1, "wdc_do_clear_dump request failed");
|
|
if (nvme_completion_is_error(&pt.cpl))
|
|
errx(1, "wdc_do_clear_dump request returned error");
|
|
}
|
|
|
|
static void
|
|
wdc_cap_diag_usage()
|
|
{
|
|
fprintf(stderr, "usage:\n");
|
|
fprintf(stderr, WDC_CAP_DIAG_USAGE);
|
|
exit(1);
|
|
}
|
|
|
|
static void
|
|
wdc_cap_diag(int argc, char *argv[])
|
|
{
|
|
char path_tmpl[MAXPATHLEN];
|
|
int ch, fd;
|
|
|
|
path_tmpl[0] = '\0';
|
|
while ((ch = getopt(argc, argv, "o:")) != -1) {
|
|
switch ((char)ch) {
|
|
case 'o':
|
|
strlcpy(path_tmpl, optarg, MAXPATHLEN);
|
|
break;
|
|
default:
|
|
wdc_cap_diag_usage();
|
|
}
|
|
}
|
|
/* Check that a controller was specified. */
|
|
if (optind >= argc)
|
|
wdc_cap_diag_usage();
|
|
open_dev(argv[optind], &fd, 1, 1);
|
|
|
|
wdc_do_dump(fd, path_tmpl, "cap_diag", WDC_NVME_CAP_DIAG_OPCODE,
|
|
WDC_NVME_CAP_DIAG_CMD, WDC_NVME_CAP_DIAG_CMD, 4);
|
|
|
|
close(fd);
|
|
|
|
exit(1);
|
|
}
|
|
|
|
static void
|
|
wdc_drive_log_usage()
|
|
{
|
|
fprintf(stderr, "usage:\n");
|
|
fprintf(stderr, WDC_DRIVE_LOG_USAGE);
|
|
exit(1);
|
|
}
|
|
|
|
static void
|
|
wdc_drive_log(int argc, char *argv[])
|
|
{
|
|
char path_tmpl[MAXPATHLEN];
|
|
int ch, fd;
|
|
|
|
path_tmpl[0] = '\0';
|
|
while ((ch = getopt(argc, argv, "o:")) != -1) {
|
|
switch ((char)ch) {
|
|
case 'o':
|
|
strlcpy(path_tmpl, optarg, MAXPATHLEN);
|
|
break;
|
|
default:
|
|
wdc_drive_log_usage();
|
|
}
|
|
}
|
|
/* Check that a controller was specified. */
|
|
if (optind >= argc)
|
|
wdc_drive_log_usage();
|
|
open_dev(argv[optind], &fd, 1, 1);
|
|
|
|
wdc_do_dump(fd, path_tmpl, "drive_log", WDC_NVME_DIAG_OPCODE,
|
|
WDC_NVME_DRIVE_LOG_SIZE_CMD, WDC_NVME_DRIVE_LOG_CMD, 0);
|
|
|
|
close(fd);
|
|
|
|
exit(1);
|
|
}
|
|
|
|
static void
|
|
wdc_get_crash_dump_usage()
|
|
{
|
|
fprintf(stderr, "usage:\n");
|
|
fprintf(stderr, WDC_CAP_DIAG_USAGE);
|
|
exit(1);
|
|
}
|
|
|
|
static void
|
|
wdc_get_crash_dump(int argc, char *argv[])
|
|
{
|
|
char path_tmpl[MAXPATHLEN];
|
|
int ch, fd;
|
|
|
|
while ((ch = getopt(argc, argv, "o:")) != -1) {
|
|
switch ((char)ch) {
|
|
case 'o':
|
|
strlcpy(path_tmpl, optarg, MAXPATHLEN);
|
|
break;
|
|
default:
|
|
wdc_get_crash_dump_usage();
|
|
}
|
|
}
|
|
/* Check that a controller was specified. */
|
|
if (optind >= argc)
|
|
wdc_get_crash_dump_usage();
|
|
open_dev(argv[optind], &fd, 1, 1);
|
|
|
|
wdc_do_dump(fd, path_tmpl, "crash_dump", WDC_NVME_DIAG_OPCODE,
|
|
WDC_NVME_CRASH_DUMP_SIZE_CMD, WDC_NVME_CRASH_DUMP_CMD, 0);
|
|
wdc_do_clear_dump(fd, WDC_NVME_CLEAR_DUMP_OPCODE,
|
|
WDC_NVME_CLEAR_CRASH_DUMP_CMD);
|
|
// wdc_led_beacon_disable(fd);
|
|
wdc_do_dump(fd, path_tmpl, "pfail_dump", WDC_NVME_DIAG_OPCODE,
|
|
WDC_NVME_PFAIL_DUMP_SIZE_CMD, WDC_NVME_PFAIL_DUMP_CMD, 0);
|
|
wdc_do_clear_dump(fd, WDC_NVME_CLEAR_DUMP_OPCODE,
|
|
WDC_NVME_CLEAR_PFAIL_DUMP_CMD);
|
|
|
|
close(fd);
|
|
|
|
exit(1);
|
|
}
|
|
|
|
static void
|
|
wdc_purge(int argc, char *argv[])
|
|
{
|
|
char path_tmpl[MAXPATHLEN];
|
|
int ch;
|
|
|
|
while ((ch = getopt(argc, argv, "o:")) != -1) {
|
|
switch ((char)ch) {
|
|
case 'o':
|
|
strlcpy(path_tmpl, optarg, MAXPATHLEN);
|
|
break;
|
|
default:
|
|
wdc_cap_diag_usage();
|
|
}
|
|
}
|
|
|
|
printf("purge has not been implemented.\n");
|
|
exit(1);
|
|
}
|
|
|
|
static void
|
|
wdc_purge_monitor(int argc, char *argv[])
|
|
{
|
|
char path_tmpl[MAXPATHLEN];
|
|
int ch;
|
|
|
|
while ((ch = getopt(argc, argv, "o:")) != -1) {
|
|
switch ((char)ch) {
|
|
case 'o':
|
|
strlcpy(path_tmpl, optarg, MAXPATHLEN);
|
|
break;
|
|
default:
|
|
wdc_cap_diag_usage();
|
|
}
|
|
}
|
|
|
|
printf("purge has not been implemented.\n");
|
|
exit(1);
|
|
}
|
|
|
|
void
|
|
wdc(int argc, char *argv[])
|
|
{
|
|
|
|
dispatch(argc, argv, wdc_funcs);
|
|
}
|