scsi: smartpqi: Update OFA management
OFA, Online Firmware Activation, allows users to update firmware without a reboot. - Change OFA setup to a worker thread - Delay soft resets - Add OFA event handler to allow FW to initiate OFA - Add in-memory allocation to OFA events - Update OFA buffer size calculations - Add ability to cancel OFA events - Update OFA quiesce/un-quiesce - Prevent Kernel crashes while issuing ioctl during OFA - Returned EBUSY for pass-through IOCTLs throughout all stages of OFA - Add mutex to prevent parallel OFA updates. Link: https://lore.kernel.org/r/161549381563.25025.2647205502550052197.stgit@brunhildaReviewed-by: NScott Benesh <scott.benesh@microchip.com> Reviewed-by: NScott Teel <scott.teel@microchip.com> Signed-off-by: NKevin Barnett <kevin.barnett@microchip.com> Signed-off-by: NDon Brace <don.brace@microchip.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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