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NVMe: Define SMART log

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This data structure is defined in the NVMe specification.  It's not used
by the kernel, but is available for use by userspace software.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
This commit is contained in:
Keith Busch
2012-09-26 12:49:27 -06:00
committed by Matthew Wilcox
parent 08df1e0565
commit 6ecec74520
2 changed files with 29 additions and 0 deletions
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include/linux/nvme.h
+28
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@@ -137,6 +137,34 @@ enum {
NVME_LBAF_RP_DEGRADED = 3,
};
struct nvme_smart_log {
__u8 critical_warning;
__u8 temperature[2];
__u8 avail_spare;
__u8 spare_thresh;
__u8 percent_used;
__u8 rsvd6[26];
__u8 data_units_read[16];
__u8 data_units_written[16];
__u8 host_reads[16];
__u8 host_writes[16];
__u8 ctrl_busy_time[16];
__u8 power_cycles[16];
__u8 power_on_hours[16];
__u8 unsafe_shutdowns[16];
__u8 media_errors[16];
__u8 num_err_log_entries[16];
__u8 rsvd192[320];
};
enum {
NVME_SMART_CRIT_SPARE = 1 << 0,
NVME_SMART_CRIT_TEMPERATURE = 1 << 1,
NVME_SMART_CRIT_RELIABILITY = 1 << 2,
NVME_SMART_CRIT_MEDIA = 1 << 3,
NVME_SMART_CRIT_VOLATILE_MEMORY = 1 << 4,
};
struct nvme_lba_range_type {
__u8 type;
__u8 attributes;