qla2xxx: ISP27xx queue index shadow registers.

For ISP27xx use the request/response queue index shadow registers
to avoid directly access them on the PCI bus.

Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
6 files changed