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| author | Jane Chu <Jane.Chu@Sun.COM> | 2009-07-20 10:00:36 -0700 |
|---|---|---|
| committer | Jane Chu <Jane.Chu@Sun.COM> | 2009-07-20 10:00:36 -0700 |
| commit | 2ee4dfc799525d35706ee64a901cd970a7080bb6 (patch) | |
| tree | 3e498f3775dd50b9f96f965f90e405dc06ee8985 /usr/src/uts/common/os/sunpm.c | |
| parent | 0ba964ea1a9461d43c8e39e5a9a3ab857e6786c7 (diff) | |
| download | illumos-joyent-2ee4dfc799525d35706ee64a901cd970a7080bb6.tar.gz | |
PSARC/2009/310 Disk IO PM Enhancement
6832245 "pm-capable" property updates
6832232 enhanced sd(7D) to support power condition field in Start-Stop Unit command
6781588 sata(7D) to support additional Mode Sense and Log Sense for PM
6832247 sata(7D) enhancement for SBC-3 power conditions and ATA power conditions translation
6827942 pm_trans_check enhancement
Diffstat (limited to 'usr/src/uts/common/os/sunpm.c')
| -rw-r--r-- | usr/src/uts/common/os/sunpm.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/usr/src/uts/common/os/sunpm.c b/usr/src/uts/common/os/sunpm.c index 7570cd29e6..c5850599ef 100644 --- a/usr/src/uts/common/os/sunpm.c +++ b/usr/src/uts/common/os/sunpm.c @@ -6590,6 +6590,7 @@ pm_trans_check(struct pm_trans_data *datap, time_t *intervalp) char *ptr; int lower_bound_cycles, upper_bound_cycles, cycles_allowed; int cycles_diff, cycles_over; + struct pm_smart_count *smart_p; if (datap == NULL) { PMD(PMD_TCHECK, ("%s: NULL data pointer!\n", pmf)) @@ -6771,6 +6772,18 @@ pm_trans_check(struct pm_trans_data *datap, time_t *intervalp) PMD(PMD_TCHECK, ("%s: no cycle is allowed in %ld secs\n", pmf, *intervalp)) return (0); + } else if (datap->format == DC_SMART_FORMAT) { + /* + * power cycles of SATA disks are reported from SMART + * attributes. + */ + smart_p = &datap->un.smart_count; + if (smart_p->consumed >= smart_p->allowed) { + *intervalp = (LONG_MAX / hz); + PMD(PMD_TCHECK, ("%s: exceeded lifemax cycles.\n", pmf)) + return (0); + } else + return (1); } PMD(PMD_TCHECK, ("%s: unknown format!\n", pmf)) |