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| author | rpokala <rpokala@FreeBSD.org> | 2016-01-14 21:52:21 +0000 |
|---|---|---|
| committer | rpokala <rpokala@FreeBSD.org> | 2016-01-14 21:52:21 +0000 |
| commit | b44c9b27614b4dd0f17257fca26ff654d074a0b9 (patch) | |
| tree | 118ac12d56dc5896989cb740607d4796fc0783b1 /sys/geom | |
| parent | 456702a99280b5064d45a9b2ecdadfc5d95659f9 (diff) | |
| download | FreeBSD-src-b44c9b27614b4dd0f17257fca26ff654d074a0b9.zip FreeBSD-src-b44c9b27614b4dd0f17257fca26ff654d074a0b9.tar.gz | |
Add rotationrate to geom disk dumpconf
Parse and report the nominal rotation rate reported by the drive.
Reviewed by: sbruno, jhb
Approved by: jhb
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D4483
Requested by: Kevin Bowling < kevin.bowling @ kev009.com >
Diffstat (limited to 'sys/geom')
| -rw-r--r-- | sys/geom/geom_disk.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/sys/geom/geom_disk.c b/sys/geom/geom_disk.c index 1943430..afd1fde 100644 --- a/sys/geom/geom_disk.c +++ b/sys/geom/geom_disk.c @@ -549,6 +549,23 @@ g_disk_dumpconf(struct sbuf *sb, const char *indent, struct g_geom *gp, struct g indent, dp->d_fwheads); sbuf_printf(sb, "%s<fwsectors>%u</fwsectors>\n", indent, dp->d_fwsectors); + + /* + * "rotationrate" is a little complicated, because the value + * returned by the drive might not be the RPM; 0 and 1 are + * special cases, and there's also a valid range. + */ + sbuf_printf(sb, "%s<rotationrate>", indent); + if (dp->d_rotation_rate == 0) /* Old drives don't */ + sbuf_printf(sb, "unknown"); /* report RPM. */ + else if (dp->d_rotation_rate == 1) /* Since 0 is used */ + sbuf_printf(sb, "0"); /* above, SSDs use 1. */ + else if ((dp->d_rotation_rate >= 0x041) && + (dp->d_rotation_rate <= 0xfffe)) + sbuf_printf(sb, "%u", dp->d_rotation_rate); + else + sbuf_printf(sb, "invalid"); + sbuf_printf(sb, "</rotationrate>\n"); if (dp->d_getattr != NULL) { buf = g_malloc(DISK_IDENT_SIZE, M_WAITOK); bp = g_alloc_bio(); |
