]> git.baikalelectronics.ru Git - kernel.git/commit
mpt3sas: Get IOC_FACTS information using handshake protocol only after HBA card gets...
authorSreekanth Reddy <sreekanth.reddy@avagotech.com>
Tue, 30 Jun 2015 06:54:48 +0000 (12:24 +0530)
committerJames Bottomley <JBottomley@Odin.com>
Thu, 27 Aug 2015 18:08:23 +0000 (11:08 -0700)
commit892d6f2037adc89d96c91beae8eef2a2f128002d
treec6c03cde95039c4d4186cac8433abb48ebeb65c2
parenta79835f151dff14d6fab2775e862a952ce0e05fa
mpt3sas: Get IOC_FACTS information using handshake protocol only after HBA card gets into READY or Operational state.

Driver initialization fails if driver tries to send IOC facts request message
when the IOC is in reset or in a fault state.

This patch will make sure that

 1.Driver to send IOC facts request message only if HBA is in operational or
   ready state.

 2.If IOC is in fault state, a diagnostic reset would be issued.

 3.If IOC is in reset state then driver will wait for 10 seconds to exit out
   of reset state.  If the HBA continues to be in reset state, then the HBA
   wouldn't be claimed by the driver.

Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
drivers/scsi/mpt3sas/mpt3sas_base.c