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D7828.1794211723.diff
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Index: head/usr.sbin/diskinfo/diskinfo.8
===================================================================
--- head/usr.sbin/diskinfo/diskinfo.8
+++ head/usr.sbin/diskinfo/diskinfo.8
@@ -28,7 +28,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd September 22, 2016
+.Dd July 1, 2017
.Dt DISKINFO 8
.Os
.Sh NAME
@@ -38,6 +38,12 @@
.Nm
.Op Fl citv
.Ar disk ...
+.Nm
+.Op Fl p
+.Ar disk ...
+.Nm
+.Op Fl s
+.Ar disk ...
.Sh DESCRIPTION
The
.Nm
@@ -52,6 +58,12 @@
Perform a simple measurement of the I/O read command overhead.
.It Fl i
Perform a simple IOPS benchmark.
+.It Fl p
+Return the physical path of the disk.
+This is a string that identifies the physical path to the disk in the
+storage enclsoure.
+.It Fl s
+Return the disk serial number
.It Fl t
Perform a simple and rather naive benchmark of the disks seek
and transfer performance.
@@ -62,6 +74,13 @@
media size in sectors, stripe size, stripe offset, firmware cylinders,
firmware heads, and firmware sectors.
The last three fields are only present if the information is available.
+.It Fl i
+Return the disk ident, usually the serial number.
+.It Fl p
+Return the physical path of the disk.
+This is a string that identifies the physical path to the disk in the
+storage enclsoure.
+.El
.Sh HISTORY
The
.Nm
Index: head/usr.sbin/diskinfo/diskinfo.c
===================================================================
--- head/usr.sbin/diskinfo/diskinfo.c
+++ head/usr.sbin/diskinfo/diskinfo.c
@@ -55,7 +55,7 @@
exit (1);
}
-static int opt_c, opt_i, opt_t, opt_v;
+static int opt_c, opt_i, opt_p, opt_s, opt_t, opt_v;
static void speeddisk(int fd, off_t mediasize, u_int sectorsize);
static void commandtime(int fd, off_t mediasize, u_int sectorsize);
@@ -74,7 +74,7 @@
u_int sectorsize, fwsectors, fwheads, zoned = 0;
uint32_t zone_mode;
- while ((ch = getopt(argc, argv, "citv")) != -1) {
+ while ((ch = getopt(argc, argv, "cipstv")) != -1) {
switch (ch) {
case 'c':
opt_c = 1;
@@ -84,6 +84,12 @@
opt_i = 1;
opt_v = 1;
break;
+ case 'p':
+ opt_p = 1;
+ break;
+ case 's':
+ opt_s = 1;
+ break;
case 't':
opt_t = 1;
opt_v = 1;
@@ -101,6 +107,11 @@
if (argc < 1)
usage();
+ if ((opt_p && opt_s) || ((opt_p || opt_s) && (opt_c || opt_i || opt_t || opt_v))) {
+ warnx("-p or -s cannot be used with other options");
+ usage();
+ }
+
for (i = 0; i < argc; i++) {
fd = open(argv[i], O_RDONLY | O_DIRECT);
if (fd < 0 && errno == ENOENT && *argv[i] != '/') {
@@ -124,7 +135,27 @@
fwheads = 0;
stripesize = sb.st_blksize;
stripeoffset = 0;
+ if (opt_p || opt_s) {
+ warnx("-p and -s only operate on physical devices: %s", argv[i]);
+ goto out;
+ }
} else {
+ if (opt_p) {
+ if (ioctl(fd, DIOCGPHYSPATH, physpath) == 0) {
+ printf("%s\n", physpath);
+ } else {
+ warnx("Failed to determine physpath for: %s", argv[i]);
+ }
+ goto out;
+ }
+ if (opt_s) {
+ if (ioctl(fd, DIOCGIDENT, ident) == 0) {
+ printf("%s\n", ident);
+ } else {
+ warnx("Failed to determine serial number for: %s", argv[i]);
+ }
+ goto out;
+ }
error = ioctl(fd, DIOCGMEDIASIZE, &mediasize);
if (error) {
warnx("%s: ioctl(DIOCGMEDIASIZE) failed, probably not a disk.", argv[i]);

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