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mpt2sas: Clear PFA Status on SGPIO when PFA Drive is Removed or Replaced

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Added code to send a SEP message that turns off the Predictive
Failure LED when a drive is removed (if Predictive Failure LED was turned on).

Added a new flag 'pfa_led_on' per device that tracks the status of Predictive
Failure LED. When the drive is removed, this flag is checked and
sends the SEP message to turn off the respective Predictive Failure LED.

Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Sreekanth Reddy
2014-09-12 15:35:19 +05:30
committed by Christoph Hellwig
parent e9edbe310d
commit bd58ea3c25
2 changed files with 63 additions and 9 deletions
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2
drivers/scsi/mpt2sas/mpt2sas_base.h
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@ -355,6 +355,7 @@ struct _internal_cmd {
* @slot: number number
* @phy: phy identifier provided in sas device page 0
* @responding: used in _scsih_sas_device_mark_responding
* @pfa_led_on: flag for PFA LED status
*/
struct _sas_device {
struct list_head list;
@ -373,6 +374,7 @@ struct _sas_device {
u16 slot;
u8 phy;
u8 responding;
u8 pfa_led_on;
};
/**