freebsd-dev/usr.sbin/mfiutil/mfi_bbu.c
Mark Johnston 8f66059200 Switch to a 2-clause license.
Approved by:	emaste (co-mentor)
X-MFC with:	r249257
2013-04-08 18:25:07 +00:00

250 lines
5.9 KiB
C

/*-
* Copyright (c) 2013 Sandvine 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/errno.h>
#include <sys/stat.h>
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include "mfiutil.h"
/* The autolearn period is given in seconds. */
void
mfi_autolearn_period(uint32_t period, char *buf, size_t sz)
{
unsigned int d, h;
char *tmp;
d = period / (24 * 3600);
h = (period % (24 * 3600)) / 3600;
tmp = buf;
if (d != 0) {
tmp += snprintf(buf, sz, "%u day%s", d, d == 1 ? "" : "s");
sz -= tmp - buf;
if (h != 0) {
tmp += snprintf(tmp, sz, ", ");
sz -= 2;
}
}
if (h != 0)
snprintf(tmp, sz, "%u hour%s", h, h == 1 ? "" : "s");
if (d == 0 && h == 0)
snprintf(tmp, sz, "less than 1 hour");
}
/* The time to the next relearn is given in seconds since 1/1/2000. */
void
mfi_next_learn_time(uint32_t next_learn_time, char *buf, size_t sz)
{
time_t basetime;
struct tm tm;
size_t len;
memset(&tm, 0, sizeof(tm));
tm.tm_year = 100;
basetime = timegm(&tm);
basetime += (time_t)next_learn_time;
len = snprintf(buf, sz, "%s", ctime(&basetime));
if (len > 0)
/* Get rid of the newline added by ctime(3). */
buf[len - 1] = '\0';
}
void
mfi_autolearn_mode(uint8_t mode, char *buf, size_t sz)
{
switch (mode) {
case 0:
snprintf(buf, sz, "enabled");
break;
case 1:
snprintf(buf, sz, "disabled");
break;
case 2:
snprintf(buf, sz, "warn via event");
break;
default:
snprintf(buf, sz, "mode 0x%02x", mode);
break;
}
}
int
mfi_bbu_get_props(int fd, struct mfi_bbu_properties *props, uint8_t *statusp)
{
return (mfi_dcmd_command(fd, MFI_DCMD_BBU_GET_PROP, props,
sizeof(*props), NULL, 0, statusp));
}
int
mfi_bbu_set_props(int fd, struct mfi_bbu_properties *props, uint8_t *statusp)
{
return (mfi_dcmd_command(fd, MFI_DCMD_BBU_SET_PROP, props,
sizeof(*props), NULL, 0, statusp));
}
static int
start_bbu_learn(int ac, char **av __unused)
{
uint8_t status;
int error, fd;
status = MFI_STAT_OK;
error = 0;
if (ac != 1) {
warnx("start learn: unexpected arguments");
return (EINVAL);
}
fd = mfi_open(mfi_unit, O_RDWR);
if (fd < 0) {
error = errno;
warn("mfi_open");
return (error);
}
if (mfi_dcmd_command(fd, MFI_DCMD_BBU_START_LEARN, NULL, 0, NULL, 0,
&status) < 0) {
error = errno;
warn("Failed to start BBU learn");
} else if (status != MFI_STAT_OK) {
warnx("Failed to start BBU learn: %s", mfi_status(status));
error = EIO;
}
return (error);
}
MFI_COMMAND(start, learn, start_bbu_learn);
static int
update_bbu_props(int ac, char **av)
{
struct mfi_bbu_properties props;
unsigned long delay;
uint8_t status;
int error, fd;
char *mode, *endptr;
status = MFI_STAT_OK;
error = 0;
if (ac != 3) {
warnx("bbu: property and value required");
return (EINVAL);
}
fd = mfi_open(mfi_unit, O_RDWR);
if (fd < 0) {
error = errno;
warn("mfi_open");
return (error);
}
if (mfi_bbu_get_props(fd, &props, &status) < 0) {
error = errno;
warn("Failed to get BBU properties");
goto done;
} else if (status != MFI_STAT_OK) {
warnx("Failed to get BBU properties: %s", mfi_status(status));
error = EIO;
goto done;
}
if (strcmp(av[1], "learn-delay") == 0) {
delay = strtoul(av[2], &endptr, 10);
if (strlen(av[2]) == 0 || *endptr != '\0' || delay > 255) {
warnx("Invalid learn delay '%s'", av[2]);
error = EINVAL;
goto done;
}
props.learn_delay_interval = delay;
} else if (strcmp(av[1], "autolearn-mode") == 0) {
mode = av[2];
if (strcmp(av[2], "enable") == 0)
props.auto_learn_mode = 0;
else if (strcmp(av[2], "disable") == 0)
props.auto_learn_mode = 1;
else if (mode[0] >= '0' && mode[0] <= '2' && mode[1] == '\0')
props.auto_learn_mode = mode[0] - '0';
else {
warnx("Invalid mode '%s'", mode);
error = EINVAL;
goto done;
}
} else if (strcmp(av[1], "bbu-mode") == 0) {
if (props.bbu_mode == 0) {
warnx("This BBU does not implement different modes");
error = EINVAL;
goto done;
}
/* The mode must be an integer between 1 and 5. */
mode = av[2];
if (mode[0] < '1' || mode[0] > '5' || mode[1] != '\0') {
warnx("Invalid mode '%s'", mode);
error = EINVAL;
goto done;
}
props.bbu_mode = mode[0] - '0';
} else {
warnx("bbu: Invalid command '%s'", av[1]);
error = EINVAL;
goto done;
}
if (mfi_bbu_set_props(fd, &props, &status) < 0) {
error = errno;
warn("Failed to set BBU properties");
goto done;
} else if (status != MFI_STAT_OK) {
warnx("Failed to set BBU properties: %s", mfi_status(status));
error = EIO;
goto done;
}
done:
close(fd);
return (error);
}
MFI_COMMAND(top, bbu, update_bbu_props);