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| author | Keith Busch | 2012-09-26 20:49:27 +0200 |
|---|---|---|
| committer | Matthew Wilcox | 2012-11-13 15:13:50 +0100 |
| commit | 6ecec74520d8a357726e6c12f99080dbe7b347dd (patch) | |
| tree | e1b10453135e9b95b5f7986272d99b2628da6b25 /include/linux | |
| parent | NVMe: Add result to nvme_get_features (diff) | |
| download | kernel-qcow2-linux-6ecec74520d8a357726e6c12f99080dbe7b347dd.tar.gz kernel-qcow2-linux-6ecec74520d8a357726e6c12f99080dbe7b347dd.tar.xz kernel-qcow2-linux-6ecec74520d8a357726e6c12f99080dbe7b347dd.zip | |
NVMe: Define SMART log
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>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/nvme.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/nvme.h b/include/linux/nvme.h index c25cccaa555a..4fa3b0b9b071 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -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; |