svn commit: r294483 - stable/10/sys/geom
Ravi Pokala
rpokala at FreeBSD.org
Thu Jan 21 03:05:05 UTC 2016
Author: rpokala
Date: Thu Jan 21 03:05:03 2016
New Revision: 294483
URL: https://svnweb.freebsd.org/changeset/base/294483
Log:
MFC r294042: Add rotationrate to geom disk dumpconf
Parse and report the nominal rotation rate reported by the drive.
Approved by: jhb
Modified:
stable/10/sys/geom/geom_disk.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/geom/geom_disk.c
==============================================================================
--- stable/10/sys/geom/geom_disk.c Thu Jan 21 02:20:38 2016 (r294482)
+++ stable/10/sys/geom/geom_disk.c Thu Jan 21 03:05:03 2016 (r294483)
@@ -581,6 +581,23 @@ g_disk_dumpconf(struct sbuf *sb, const c
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();
More information about the svn-src-stable-10
mailing list