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0b03514943
freebsd/usr.sbin/mfiutil/mfi_evt.c
John Baldwin 186ddf9631 - Fix an off by one error when checking for the stop event. This resulted 
in not showing the most recent event by default.
- When the stop even is hit, break out of the outer loop to stop fetching
  more events.

MFC after:	1 week
2014-04-22 15:17:32 +00:00

702 lines
16 KiB
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/*-
* Copyright (c) 2008, 2009 Yahoo!, 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.
* 3. The names of the authors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* 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.
*
* $FreeBSD$
*/
#include <sys/types.h>
#include <sys/errno.h>
#include <err.h>
#include <fcntl.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include <time.h>
#include <unistd.h>
#include "mfiutil.h"
static int
mfi_event_get_info(int fd, struct mfi_evt_log_state *info, uint8_t *statusp)
{
return (mfi_dcmd_command(fd, MFI_DCMD_CTRL_EVENT_GETINFO, info,
sizeof(struct mfi_evt_log_state), NULL, 0, statusp));
}
static int
mfi_get_events(int fd, struct mfi_evt_list *list, int num_events,
union mfi_evt filter, uint32_t start_seq, uint8_t *statusp)
{
uint32_t mbox[2];
size_t size;
mbox[0] = start_seq;
mbox[1] = filter.word;
size = sizeof(struct mfi_evt_list) + sizeof(struct mfi_evt_detail) *
(num_events - 1);
return (mfi_dcmd_command(fd, MFI_DCMD_CTRL_EVENT_GET, list, size,
(uint8_t *)&mbox, sizeof(mbox), statusp));
}
static int
show_logstate(int ac, char **av __unused)
{
struct mfi_evt_log_state info;
int error, fd;
if (ac != 1) {
warnx("show logstate: extra arguments");
return (EINVAL);
}
fd = mfi_open(mfi_unit, O_RDWR);
if (fd < 0) {
error = errno;
warn("mfi_open");
return (error);
}
if (mfi_event_get_info(fd, &info, NULL) < 0) {
error = errno;
warn("Failed to get event log info");
close(fd);
return (error);
}
printf("mfi%d Event Log Sequence Numbers:\n", mfi_unit);
printf(" Newest Seq #: %u\n", info.newest_seq_num);
printf(" Oldest Seq #: %u\n", info.oldest_seq_num);
printf(" Clear Seq #: %u\n", info.clear_seq_num);
printf("Shutdown Seq #: %u\n", info.shutdown_seq_num);
printf(" Boot Seq #: %u\n", info.boot_seq_num);
close(fd);
return (0);
}
MFI_COMMAND(show, logstate, show_logstate);
static int
parse_seq(struct mfi_evt_log_state *info, char *arg, uint32_t *seq)
{
char *cp;
long val;
if (strcasecmp(arg, "newest") == 0) {
*seq = info->newest_seq_num;
return (0);
}
if (strcasecmp(arg, "oldest") == 0) {
*seq = info->oldest_seq_num;
return (0);
}
if (strcasecmp(arg, "clear") == 0) {
*seq = info->clear_seq_num;
return (0);
}
if (strcasecmp(arg, "shutdown") == 0) {
*seq = info->shutdown_seq_num;
return (0);
}
if (strcasecmp(arg, "boot") == 0) {
*seq = info->boot_seq_num;
return (0);
}
val = strtol(arg, &cp, 0);
if (*cp != '\0' || val < 0) {
errno = EINVAL;
return (-1);
}
*seq = val;
return (0);
}
static int
parse_locale(char *arg, uint16_t *locale)
{
char *cp;
long val;
if (strncasecmp(arg, "vol", 3) == 0 || strcasecmp(arg, "ld") == 0) {
*locale = MFI_EVT_LOCALE_LD;
return (0);
}
if (strncasecmp(arg, "drive", 5) == 0 || strcasecmp(arg, "pd") == 0) {
*locale = MFI_EVT_LOCALE_PD;
return (0);
}
if (strncasecmp(arg, "encl", 4) == 0) {
*locale = MFI_EVT_LOCALE_ENCL;
return (0);
}
if (strncasecmp(arg, "batt", 4) == 0 ||
strncasecmp(arg, "bbu", 3) == 0) {
*locale = MFI_EVT_LOCALE_BBU;
return (0);
}
if (strcasecmp(arg, "sas") == 0) {
*locale = MFI_EVT_LOCALE_SAS;
return (0);
}
if (strcasecmp(arg, "ctrl") == 0 || strncasecmp(arg, "cont", 4) == 0) {
*locale = MFI_EVT_LOCALE_CTRL;
return (0);
}
if (strcasecmp(arg, "config") == 0) {
*locale = MFI_EVT_LOCALE_CONFIG;
return (0);
}
if (strcasecmp(arg, "cluster") == 0) {
*locale = MFI_EVT_LOCALE_CLUSTER;
return (0);
}
if (strcasecmp(arg, "all") == 0) {
*locale = MFI_EVT_LOCALE_ALL;
return (0);
}
val = strtol(arg, &cp, 0);
if (*cp != '\0' || val < 0 || val > 0xffff) {
errno = EINVAL;
return (-1);
}
*locale = val;
return (0);
}
static int
parse_class(char *arg, int8_t *class)
{
char *cp;
long val;
if (strcasecmp(arg, "debug") == 0) {
*class = MFI_EVT_CLASS_DEBUG;
return (0);
}
if (strncasecmp(arg, "prog", 4) == 0) {
*class = MFI_EVT_CLASS_PROGRESS;
return (0);
}
if (strncasecmp(arg, "info", 4) == 0) {
*class = MFI_EVT_CLASS_INFO;
return (0);
}
if (strncasecmp(arg, "warn", 4) == 0) {
*class = MFI_EVT_CLASS_WARNING;
return (0);
}
if (strncasecmp(arg, "crit", 4) == 0) {
*class = MFI_EVT_CLASS_CRITICAL;
return (0);
}
if (strcasecmp(arg, "fatal") == 0) {
*class = MFI_EVT_CLASS_FATAL;
return (0);
}
if (strcasecmp(arg, "dead") == 0) {
*class = MFI_EVT_CLASS_DEAD;
return (0);
}
val = strtol(arg, &cp, 0);
if (*cp != '\0' || val < -128 || val > 127) {
errno = EINVAL;
return (-1);
}
*class = val;
return (0);
}
/*
* The timestamp is the number of seconds since 00:00 Jan 1, 2000. If
* the bits in 24-31 are all set, then it is the number of seconds since
* boot.
*/
static const char *
format_timestamp(uint32_t timestamp)
{
static char buffer[32];
static time_t base;
time_t t;
struct tm tm;
if ((timestamp & 0xff000000) == 0xff000000) {
snprintf(buffer, sizeof(buffer), "boot + %us", timestamp &
0x00ffffff);
return (buffer);
}
if (base == 0) {
/* Compute 00:00 Jan 1, 2000 offset. */
bzero(&tm, sizeof(tm));
tm.tm_mday = 1;
tm.tm_year = (2000 - 1900);
base = mktime(&tm);
}
if (base == -1) {
snprintf(buffer, sizeof(buffer), "%us", timestamp);
return (buffer);
}
t = base + timestamp;
strftime(buffer, sizeof(buffer), "%+", localtime(&t));
return (buffer);
}
static const char *
format_locale(uint16_t locale)
{
static char buffer[8];
switch (locale) {
case MFI_EVT_LOCALE_LD:
return ("VOLUME");
case MFI_EVT_LOCALE_PD:
return ("DRIVE");
case MFI_EVT_LOCALE_ENCL:
return ("ENCL");
case MFI_EVT_LOCALE_BBU:
return ("BATTERY");
case MFI_EVT_LOCALE_SAS:
return ("SAS");
case MFI_EVT_LOCALE_CTRL:
return ("CTRL");
case MFI_EVT_LOCALE_CONFIG:
return ("CONFIG");
case MFI_EVT_LOCALE_CLUSTER:
return ("CLUSTER");
case MFI_EVT_LOCALE_ALL:
return ("ALL");
default:
snprintf(buffer, sizeof(buffer), "0x%04x", locale);
return (buffer);
}
}
static const char *
format_class(int8_t class)
{
static char buffer[6];
switch (class) {
case MFI_EVT_CLASS_DEBUG:
return ("debug");
case MFI_EVT_CLASS_PROGRESS:
return ("progress");
case MFI_EVT_CLASS_INFO:
return ("info");
case MFI_EVT_CLASS_WARNING:
return ("WARN");
case MFI_EVT_CLASS_CRITICAL:
return ("CRIT");
case MFI_EVT_CLASS_FATAL:
return ("FATAL");
case MFI_EVT_CLASS_DEAD:
return ("DEAD");
default:
snprintf(buffer, sizeof(buffer), "%d", class);
return (buffer);
}
}
/* Simulates %D from kernel printf(9). */
static void
simple_hex(void *ptr, size_t length, const char *separator)
{
unsigned char *cp;
u_int i;
if (length == 0)
return;
cp = ptr;
printf("%02x", cp[0]);
for (i = 1; i < length; i++)
printf("%s%02x", separator, cp[i]);
}
static const char *
pdrive_location(struct mfi_evt_pd *pd)
{
static char buffer[16];
if (pd->enclosure_index == 0)
snprintf(buffer, sizeof(buffer), "%02d(s%d)", pd->device_id,
pd->slot_number);
else
snprintf(buffer, sizeof(buffer), "%02d(e%d/s%d)", pd->device_id,
pd->enclosure_index, pd->slot_number);
return (buffer);
}
static const char *
volume_name(int fd, struct mfi_evt_ld *ld)
{
return (mfi_volume_name(fd, ld->target_id));
}
/* Ripped from sys/dev/mfi/mfi.c. */
static void
mfi_decode_evt(int fd, struct mfi_evt_detail *detail, int verbose)
{
printf("%5d (%s/%s/%s) - ", detail->seq, format_timestamp(detail->time),
format_locale(detail->evt_class.members.locale),
format_class(detail->evt_class.members.evt_class));
switch (detail->arg_type) {
case MR_EVT_ARGS_NONE:
break;
case MR_EVT_ARGS_CDB_SENSE:
if (verbose) {
printf("PD %s CDB ",
pdrive_location(&detail->args.cdb_sense.pd)
);
simple_hex(detail->args.cdb_sense.cdb,
detail->args.cdb_sense.cdb_len, ":");
printf(" Sense ");
simple_hex(detail->args.cdb_sense.sense,
detail->args.cdb_sense.sense_len, ":");
printf(":\n ");
}
break;
case MR_EVT_ARGS_LD:
printf("VOL %s event: ", volume_name(fd, &detail->args.ld));
break;
case MR_EVT_ARGS_LD_COUNT:
printf("VOL %s", volume_name(fd, &detail->args.ld_count.ld));
if (verbose) {
printf(" count %lld: ",
(long long)detail->args.ld_count.count);
}
printf(": ");
break;
case MR_EVT_ARGS_LD_LBA:
printf("VOL %s", volume_name(fd, &detail->args.ld_count.ld));
if (verbose) {
printf(" lba %lld",
(long long)detail->args.ld_lba.lba);
}
printf(": ");
break;
case MR_EVT_ARGS_LD_OWNER:
printf("VOL %s", volume_name(fd, &detail->args.ld_count.ld));
if (verbose) {
printf(" owner changed: prior %d, new %d",
detail->args.ld_owner.pre_owner,
detail->args.ld_owner.new_owner);
}
printf(": ");
break;
case MR_EVT_ARGS_LD_LBA_PD_LBA:
printf("VOL %s", volume_name(fd, &detail->args.ld_count.ld));
if (verbose) {
printf(" lba %lld, physical drive PD %s lba %lld",
(long long)detail->args.ld_lba_pd_lba.ld_lba,
pdrive_location(&detail->args.ld_lba_pd_lba.pd),
(long long)detail->args.ld_lba_pd_lba.pd_lba);
}
printf(": ");
break;
case MR_EVT_ARGS_LD_PROG:
printf("VOL %s", volume_name(fd, &detail->args.ld_prog.ld));
if (verbose) {
printf(" progress %d%% in %ds",
detail->args.ld_prog.prog.progress/655,
detail->args.ld_prog.prog.elapsed_seconds);
}
printf(": ");
break;
case MR_EVT_ARGS_LD_STATE:
printf("VOL %s", volume_name(fd, &detail->args.ld_prog.ld));
if (verbose) {
printf(" state prior %s new %s",
mfi_ldstate(detail->args.ld_state.prev_state),
mfi_ldstate(detail->args.ld_state.new_state));
}
printf(": ");
break;
case MR_EVT_ARGS_LD_STRIP:
printf("VOL %s", volume_name(fd, &detail->args.ld_strip.ld));
if (verbose) {
printf(" strip %lld",
(long long)detail->args.ld_strip.strip);
}
printf(": ");
break;
case MR_EVT_ARGS_PD:
if (verbose) {
printf("PD %s event: ",
pdrive_location(&detail->args.pd));
}
break;
case MR_EVT_ARGS_PD_ERR:
if (verbose) {
printf("PD %s err %d: ",
pdrive_location(&detail->args.pd_err.pd),
detail->args.pd_err.err);
}
break;
case MR_EVT_ARGS_PD_LBA:
if (verbose) {
printf("PD %s lba %lld: ",
pdrive_location(&detail->args.pd_lba.pd),
(long long)detail->args.pd_lba.lba);
}
break;
case MR_EVT_ARGS_PD_LBA_LD:
if (verbose) {
printf("PD %s lba %lld VOL %s: ",
pdrive_location(&detail->args.pd_lba_ld.pd),
(long long)detail->args.pd_lba.lba,
volume_name(fd, &detail->args.pd_lba_ld.ld));
}
break;
case MR_EVT_ARGS_PD_PROG:
if (verbose) {
printf("PD %s progress %d%% seconds %ds: ",
pdrive_location(&detail->args.pd_prog.pd),
detail->args.pd_prog.prog.progress/655,
detail->args.pd_prog.prog.elapsed_seconds);
}
break;
case MR_EVT_ARGS_PD_STATE:
if (verbose) {
printf("PD %s state prior %s new %s: ",
pdrive_location(&detail->args.pd_prog.pd),
mfi_pdstate(detail->args.pd_state.prev_state),
mfi_pdstate(detail->args.pd_state.new_state));
}
break;
case MR_EVT_ARGS_PCI:
if (verbose) {
printf("PCI 0x%04x 0x%04x 0x%04x 0x%04x: ",
detail->args.pci.venderId,
detail->args.pci.deviceId,
detail->args.pci.subVenderId,
detail->args.pci.subDeviceId);
}
break;
case MR_EVT_ARGS_RATE:
if (verbose) {
printf("Rebuild rate %d: ", detail->args.rate);
}
break;
case MR_EVT_ARGS_TIME:
if (verbose) {
printf("Adapter time %s; %d seconds since power on: ",
format_timestamp(detail->args.time.rtc),
detail->args.time.elapsedSeconds);
}
break;
case MR_EVT_ARGS_ECC:
if (verbose) {
printf("Adapter ECC %x,%x: %s: ",
detail->args.ecc.ecar,
detail->args.ecc.elog,
detail->args.ecc.str);
}
break;
default:
if (verbose) {
printf("Type %d: ", detail->arg_type);
}
break;
}
printf("%s\n", detail->description);
}
static int
show_events(int ac, char **av)
{
struct mfi_evt_log_state info;
struct mfi_evt_list *list;
union mfi_evt filter;
bool first;
long val;
char *cp;
ssize_t size;
uint32_t seq, start, stop;
uint8_t status;
int ch, error, fd, num_events, verbose;
u_int i;
fd = mfi_open(mfi_unit, O_RDWR);
if (fd < 0) {
error = errno;
warn("mfi_open");
return (error);
}
if (mfi_event_get_info(fd, &info, NULL) < 0) {
error = errno;
warn("Failed to get event log info");
close(fd);
return (error);
}
/* Default settings. */
num_events = 15;
filter.members.reserved = 0;
filter.members.locale = MFI_EVT_LOCALE_ALL;
filter.members.evt_class = MFI_EVT_CLASS_WARNING;
start = info.boot_seq_num;
stop = info.newest_seq_num;
verbose = 0;
/* Parse any options. */
optind = 1;
while ((ch = getopt(ac, av, "c:l:n:v")) != -1) {
switch (ch) {
case 'c':
if (parse_class(optarg, &filter.members.evt_class) < 0) {
error = errno;
warn("Error parsing event class");
close(fd);
return (error);
}
break;
case 'l':
if (parse_locale(optarg, &filter.members.locale) < 0) {
error = errno;
warn("Error parsing event locale");
close(fd);
return (error);
}
break;
case 'n':
val = strtol(optarg, &cp, 0);
if (*cp != '\0' || val <= 0) {
warnx("Invalid event count");
close(fd);
return (EINVAL);
}
num_events = val;
break;
case 'v':
verbose = 1;
break;
case '?':
default:
close(fd);
return (EINVAL);
}
}
ac -= optind;
av += optind;
/* Determine buffer size and validate it. */
size = sizeof(struct mfi_evt_list) + sizeof(struct mfi_evt_detail) *
(num_events - 1);
if (size > getpagesize()) {
warnx("Event count is too high");
close(fd);
return (EINVAL);
}
/* Handle optional start and stop sequence numbers. */
if (ac > 2) {
warnx("show events: extra arguments");
close(fd);
return (EINVAL);
}
if (ac > 0 && parse_seq(&info, av[0], &start) < 0) {
error = errno;
warn("Error parsing starting sequence number");
close(fd);
return (error);
}
if (ac > 1 && parse_seq(&info, av[1], &stop) < 0) {
error = errno;
warn("Error parsing ending sequence number");
close(fd);
return (error);
}
list = malloc(size);
if (list == NULL) {
warnx("malloc failed");
close(fd);
return (ENOMEM);
}
first = true;
seq = start;
for (;;) {
if (mfi_get_events(fd, list, num_events, filter, seq,
&status) < 0) {
error = errno;
warn("Failed to fetch events");
free(list);
close(fd);
return (error);
}
if (status == MFI_STAT_NOT_FOUND) {
break;
}
if (status != MFI_STAT_OK) {
warnx("Error fetching events: %s", mfi_status(status));
free(list);
close(fd);
return (EIO);
}
for (i = 0; i < list->count; i++) {
/*
* If this event is newer than 'stop_seq' then
* break out of the loop. Note that the log
* is a circular buffer so we have to handle
* the case that our stop point is earlier in
* the buffer than our start point.
*/
if (list->event[i].seq > stop) {
if (start <= stop)
goto finish;
else if (list->event[i].seq < start)
goto finish;
}
mfi_decode_evt(fd, &list->event[i], verbose);
first = false;
}
/*
* XXX: If the event's seq # is the end of the buffer
* then this probably won't do the right thing. We
* need to know the size of the buffer somehow.
*/
seq = list->event[list->count - 1].seq + 1;
}
finish:
if (first)
warnx("No matching events found");
free(list);
close(fd);
return (0);
}
MFI_COMMAND(show, events, show_events);
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