AHCI - Implement ahci_xpt_poll() - fix livelock during shutdown/reboot/panic
commitde68d53261951cffc700e3da4e56a3dfb4fe197f
authorMatthew Dillon <dillon@apollo.backplane.com>
Sun, 7 Jun 2009 00:32:45 +0000 (6 17:32 -0700)
committerMatthew Dillon <dillon@apollo.backplane.com>
Sun, 7 Jun 2009 00:32:45 +0000 (6 17:32 -0700)
treedc1bc5c241d993df9601d9a241273addc0fed828
parentcec85a37534fc8449308734c4d53fe8a31c2772c
AHCI - Implement ahci_xpt_poll() - fix livelock during shutdown/reboot/panic

The ahci_xpt_poll() function is called when interrupts might be
non-operational, typically during a shutdown/reboot, or panic.

Poll the appropriate AHCI port.
sys/dev/disk/ahci/ahci.c
sys/dev/disk/ahci/ahci.h
sys/dev/disk/ahci/ahci_cam.c