ses: Add power_status to SES device slot
Add power_status to SES device slot, so we can power on/off the
HDDs behind the enclosure.
Check firmware status in ses_set_* before sending control pages to
firmware.
Signed-off-by: Song Liu <songliubraving@fb.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Jens Axboe <axboe@fb.com>
Cc: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/include/linux/enclosure.h b/include/linux/enclosure.h
index 0f826c1..7be22da 100644
--- a/include/linux/enclosure.h
+++ b/include/linux/enclosure.h
@@ -79,6 +79,11 @@
int (*set_locate)(struct enclosure_device *,
struct enclosure_component *,
enum enclosure_component_setting);
+ void (*get_power_status)(struct enclosure_device *,
+ struct enclosure_component *);
+ int (*set_power_status)(struct enclosure_device *,
+ struct enclosure_component *,
+ int);
int (*show_id)(struct enclosure_device *, char *buf);
};
@@ -94,6 +99,7 @@
int locate;
int slot;
enum enclosure_status status;
+ int power_status;
};
struct enclosure_device {