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BIT_13 of extended FW attribute informs about NVMe-2 support.  Set BIT_15
of special feature control block for enabling SLER in FW.  Set bit 8 (SLER
supported) to 1 for the service parameter information when sending NVMe
PRLI request.  Set BIT_14 of special feature control block for enabling PI
Control in FW.  Driver should set bit 9 (PI Control supported) to 1 for the
service parameter information when sending NVMe PRLI request.  Set BIT_13
for NVMe Async events.

Link: https://lore.kernel.org/r/20200904045128.23631-13-njavali@marvell.com

Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>