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diskinfo.c
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diskinfo.c
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/*
* Copyright (c) 2013 Joyent Inc., All rights reserved.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <limits.h>
#include <assert.h>
#include <ctype.h>
#include <stdarg.h>
#include <strings.h>
#include <libdiskmgt.h>
#include <sys/nvpair.h>
#include <sys/param.h>
#include <sys/ccompile.h>
#include <fm/libtopo.h>
#include <fm/topo_hc.h>
#include <fm/topo_list.h>
#include <sys/fm/protocol.h>
#include <modules/common/disk/disk.h>
typedef struct di_opts {
boolean_t di_scripted;
boolean_t di_parseable;
boolean_t di_physical;
boolean_t di_condensed;
} di_opts_t;
typedef struct di_phys {
const char *dp_dev;
const char *dp_serial;
const char *dp_slotname;
int dp_chassis;
int dp_slot;
int dp_faulty;
int dp_locate;
} di_phys_t;
static void __NORETURN
fatal(int rv, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
(void) vfprintf(stderr, fmt, ap);
va_end(ap);
exit(rv);
}
static void
usage(const char *execname)
{
(void) fprintf(stderr, "Usage: %s [-Hp] [{-c|-P}]\n", execname);
}
static void
nvlist_query_string(nvlist_t *nvl, const char *label, char **val)
{
if (nvlist_lookup_string(nvl, label, val) != 0)
*val = "-";
}
static const char *
display_string(const char *label)
{
return ((label) ? label : "-");
}
static const char *
display_tristate(int val)
{
if (val == 0)
return ("no");
if (val == 1)
return ("yes");
return ("-");
}
static char
condensed_tristate(int val, char c)
{
if (val == 0)
return ('-');
if (val == 1)
return (c);
return ('?');
}
static int
disk_walker(topo_hdl_t *hp, tnode_t *np, void *arg)
{
di_phys_t *pp = arg;
tnode_t *pnp;
tnode_t *ppnp;
topo_faclist_t fl;
topo_faclist_t *lp;
int err;
topo_led_state_t mode;
topo_led_type_t type;
char *name, *slotname, *serial;
if (strcmp(topo_node_name(np), DISK) != 0)
return (TOPO_WALK_NEXT);
if (topo_prop_get_string(np, TOPO_PGROUP_STORAGE,
TOPO_STORAGE_LOGICAL_DISK_NAME, &name, &err) != 0) {
return (TOPO_WALK_NEXT);
}
if (strcmp(name, pp->dp_dev) != 0)
return (TOPO_WALK_NEXT);
if (topo_prop_get_string(np, TOPO_PGROUP_STORAGE,
TOPO_STORAGE_SERIAL_NUM, &serial, &err) == 0) {
pp->dp_serial = serial;
}
pnp = topo_node_parent(np);
ppnp = topo_node_parent(pnp);
if (strcmp(topo_node_name(pnp), BAY) == 0) {
if (topo_node_facility(hp, pnp, TOPO_FAC_TYPE_INDICATOR,
TOPO_FAC_TYPE_ANY, &fl, &err) == 0) {
for (lp = topo_list_next(&fl.tf_list); lp != NULL;
lp = topo_list_next(lp)) {
if (topo_prop_get_uint32(lp->tf_node,
TOPO_PGROUP_FACILITY, TOPO_FACILITY_TYPE,
&type, &err) != 0) {
continue;
}
if (topo_prop_get_uint32(lp->tf_node,
TOPO_PGROUP_FACILITY, TOPO_LED_MODE,
&mode, &err) != 0) {
continue;
}
switch (type) {
case TOPO_LED_TYPE_SERVICE:
pp->dp_faulty = mode ? 1 : 0;
break;
case TOPO_LED_TYPE_LOCATE:
pp->dp_locate = mode ? 1 : 0;
break;
default:
break;
}
}
}
if (topo_prop_get_string(pnp, TOPO_PGROUP_PROTOCOL,
TOPO_PROP_LABEL, &slotname, &err) == 0) {
pp->dp_slotname = slotname;
}
pp->dp_slot = topo_node_instance(pnp);
}
pp->dp_chassis = topo_node_instance(ppnp);
return (TOPO_WALK_TERMINATE);
}
static void
populate_physical(topo_hdl_t *hp, di_phys_t *pp)
{
int err;
topo_walk_t *wp;
pp->dp_faulty = pp->dp_locate = -1;
pp->dp_chassis = pp->dp_slot = -1;
err = 0;
wp = topo_walk_init(hp, FM_FMRI_SCHEME_HC, disk_walker, pp, &err);
if (wp == NULL) {
fatal(-1, "unable to initialise topo walker: %s",
topo_strerror(err));
}
while ((err = topo_walk_step(wp, TOPO_WALK_CHILD)) == TOPO_WALK_NEXT)
;
if (err == TOPO_WALK_ERR)
fatal(-1, "topo walk failed");
topo_walk_fini(wp);
}
static void
enumerate_disks(di_opts_t *opts)
{
topo_hdl_t *hp;
dm_descriptor_t *media;
int err, i;
int filter[] = { DM_DT_FIXED, -1 };
dm_descriptor_t *disk, *controller;
nvlist_t *mattrs, *dattrs, *cattrs = NULL;
uint64_t size, total;
uint32_t blocksize;
double total_in_GiB;
char sizestr[32];
char slotname[32];
char statestr[8];
char *vid, *pid, *opath, *c, *ctype = NULL;
boolean_t removable;
boolean_t ssd;
char device[MAXPATHLEN];
di_phys_t phys;
size_t len;
err = 0;
if ((media = dm_get_descriptors(DM_MEDIA, filter, &err)) == NULL) {
fatal(-1, "failed to obtain media descriptors: %s\n",
strerror(err));
}
err = 0;
hp = topo_open(TOPO_VERSION, NULL, &err);
if (hp == NULL) {
fatal(-1, "unable to obtain topo handle: %s",
topo_strerror(err));
}
err = 0;
(void) topo_snap_hold(hp, NULL, &err);
if (err != 0) {
fatal(-1, "unable to hold topo snapshot: %s",
topo_strerror(err));
}
for (i = 0; media != NULL && media[i] != NULL; i++) {
if ((disk = dm_get_associated_descriptors(media[i],
DM_DRIVE, &err)) == NULL) {
continue;
}
mattrs = dm_get_attributes(media[i], &err);
err = nvlist_lookup_uint64(mattrs, DM_SIZE, &size);
assert(err == 0);
err = nvlist_lookup_uint32(mattrs, DM_BLOCKSIZE, &blocksize);
assert(err == 0);
nvlist_free(mattrs);
dattrs = dm_get_attributes(disk[0], &err);
nvlist_query_string(dattrs, DM_VENDOR_ID, &vid);
nvlist_query_string(dattrs, DM_PRODUCT_ID, &pid);
nvlist_query_string(dattrs, DM_OPATH, &opath);
removable = B_FALSE;
if (nvlist_lookup_boolean(dattrs, DM_REMOVABLE) == 0)
removable = B_TRUE;
ssd = B_FALSE;
if (nvlist_lookup_boolean(dattrs, DM_SOLIDSTATE) == 0)
ssd = B_TRUE;
if ((controller = dm_get_associated_descriptors(disk[0],
DM_CONTROLLER, &err)) != NULL) {
cattrs = dm_get_attributes(controller[0], &err);
nvlist_query_string(cattrs, DM_CTYPE, &ctype);
ctype = strdup(ctype);
for (c = ctype; *c != '\0'; c++)
*c = toupper(*c);
}
/*
* Parse full device path to only show the device name,
* i.e. c0t1d0. Many paths will reference a particular
* slice (c0t1d0s0), so remove the slice if present.
*/
if ((c = strrchr(opath, '/')) != NULL)
(void) strlcpy(device, c + 1, sizeof (device));
else
(void) strlcpy(device, opath, sizeof (device));
len = strlen(device);
if (device[len - 2] == 's' &&
(device[len - 1] >= '0' && device[len - 1] <= '9'))
device[len - 2] = '\0';
bzero(&phys, sizeof (phys));
phys.dp_dev = device;
populate_physical(hp, &phys);
/*
* The size is given in blocks, so multiply the number
* of blocks by the block size to get the total size,
* then convert to GiB.
*/
total = size * blocksize;
if (opts->di_parseable) {
(void) snprintf(sizestr, sizeof (sizestr),
"%llu", total);
} else {
total_in_GiB = (double)total /
1024.0 / 1024.0 / 1024.0;
(void) snprintf(sizestr, sizeof (sizestr),
"%7.2f GiB", total_in_GiB);
}
if (opts->di_parseable) {
(void) snprintf(slotname, sizeof (slotname), "%d,%d",
phys.dp_chassis, phys.dp_slot);
} else if (phys.dp_slotname != NULL) {
(void) snprintf(slotname, sizeof (slotname),
"[%d] %s", phys.dp_chassis, phys.dp_slotname);
} else {
slotname[0] = '-';
slotname[1] = '\0';
}
if (opts->di_condensed) {
(void) snprintf(statestr, sizeof (statestr), "%c%c%c%c",
condensed_tristate(phys.dp_faulty, 'F'),
condensed_tristate(phys.dp_locate, 'L'),
condensed_tristate(removable, 'R'),
condensed_tristate(ssd, 'S'));
}
if (opts->di_physical) {
if (opts->di_scripted) {
printf("%s\t%s\t%s\t%s\t%s\t%s\t%s\n",
device, vid, pid,
display_string(phys.dp_serial),
display_tristate(phys.dp_faulty),
display_tristate(phys.dp_locate), slotname);
} else {
printf("%-22s %-8s %-16s "
"%-20s %-3s %-3s %s\n",
device, vid, pid,
display_string(phys.dp_serial),
display_tristate(phys.dp_faulty),
display_tristate(phys.dp_locate), slotname);
}
} else if (opts->di_condensed) {
if (opts->di_scripted) {
printf("%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\n",
ctype, device, vid, pid,
display_string(phys.dp_serial),
sizestr, statestr, slotname);
} else {
printf("%-7s %-22s %-8s %-16s "
"%-20s\n\t%-13s %-4s %s\n",
ctype, device, vid, pid,
display_string(phys.dp_serial),
sizestr, statestr, slotname);
}
} else {
if (opts->di_scripted) {
printf("%s\t%s\t%s\t%s\t%s\t%s\t%s\n",
ctype, device, vid, pid, sizestr,
display_tristate(removable),
display_tristate(ssd));
} else {
printf("%-7s %-22s %-8s %-16s "
"%-13s %-3s %-3s\n", ctype, device,
vid, pid, sizestr,
display_tristate(removable),
display_tristate(ssd));
}
}
free(ctype);
nvlist_free(cattrs);
nvlist_free(dattrs);
dm_free_descriptors(controller);
dm_free_descriptors(disk);
}
dm_free_descriptors(media);
topo_snap_release(hp);
topo_close(hp);
}
int
main(int argc, char *argv[])
{
char c;
di_opts_t opts = {
.di_condensed = B_FALSE,
.di_scripted = B_FALSE,
.di_physical = B_FALSE,
.di_parseable = B_FALSE
};
while ((c = getopt(argc, argv, ":cHPp")) != EOF) {
switch (c) {
case 'c':
if (opts.di_physical) {
usage(argv[0]);
fatal(1, "-c and -P are mutually exclusive\n");
}
opts.di_condensed = B_TRUE;
break;
case 'H':
opts.di_scripted = B_TRUE;
break;
case 'P':
if (opts.di_condensed) {
usage(argv[0]);
fatal(1, "-c and -P are mutually exclusive\n");
}
opts.di_physical = B_TRUE;
break;
case 'p':
opts.di_parseable = B_TRUE;
break;
case '?':
usage(argv[0]);
fatal(1, "unknown option -%c\n", optopt);
default:
fatal(-1, "unexpected error on option -%c\n", optopt);
}
}
if (!opts.di_scripted) {
if (opts.di_physical) {
printf("DISK VID PID"
" SERIAL FLT LOC"
" LOCATION\n");
} else if (opts.di_condensed) {
printf("TYPE DISK VID PID"
" SERIAL\n");
printf("\tSIZE FLRS LOCATION\n");
} else {
printf("TYPE DISK VID PID"
" SIZE RMV SSD\n");
}
}
enumerate_disks(&opts);
return (0);
}