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SubjectRe: [PATCH v1 02/20] [SCSI] mpt3sas: Get IOC_FACTS information using handshake protocol only after HBA card gets into READY or Operational state.
On 06/17/2015 11:10 AM, Sreekanth Reddy wrote:
> 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.
>
> Changes in v1:
> If PCI Recovery is on then return with -EFAULT in the function _base_wait_for_iocstate().
>
> Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>

Tomas



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