[SCSI] bfa: Add PowerPC support and enable PCIE AER handling.

- Added few missing endian swap changes to support BFA on PowerPC.
- Added PCIE AER support to BFA:
  a) Implemented the PCI error handler entry points.
  b) Made changes to FCS state machine to handle STOP event from the
	 PCI error detected entry point.
  c) Made changes to the IO Controller state machine to handle SUSPEND
     event from the PCI error detected entry point.
  d) Made changes to restart the BFA operations on a slot_reset completion.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c
index e5661703d469..3c9bde9a8080 100644
--- a/drivers/scsi/bfa/bfa_fcs_lport.c
+++ b/drivers/scsi/bfa/bfa_fcs_lport.c
@@ -131,6 +131,8 @@ bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
 		/* If vport - send completion call back */
 		if (port->vport)
 			bfa_fcs_vport_stop_comp(port->vport);
+		else
+			bfa_wc_down(&(port->fabric->stop_wc));
 		break;
 
 	case BFA_FCS_PORT_SM_OFFLINE:
@@ -166,6 +168,8 @@ bfa_fcs_lport_sm_online(
 			/* If vport - send completion call back */
 			if (port->vport)
 				bfa_fcs_vport_stop_comp(port->vport);
+			else
+				bfa_wc_down(&(port->fabric->stop_wc));
 		} else {
 			bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
 			list_for_each_safe(qe, qen, &port->rport_q) {
@@ -222,6 +226,8 @@ bfa_fcs_lport_sm_offline(
 			/* If vport - send completion call back */
 			if (port->vport)
 				bfa_fcs_vport_stop_comp(port->vport);
+			else
+				bfa_wc_down(&(port->fabric->stop_wc));
 		} else {
 			bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
 			list_for_each_safe(qe, qen, &port->rport_q) {
@@ -267,6 +273,8 @@ bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
 			/* If vport - send completion call back */
 			if (port->vport)
 				bfa_fcs_vport_stop_comp(port->vport);
+			else
+				bfa_wc_down(&(port->fabric->stop_wc));
 		}
 		break;
 
@@ -978,6 +986,16 @@ bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port)
 }
 
 /*
+ * Called by fabric for base port and by vport for virtual ports
+ * when target mode driver is unloaded.
+ */
+void
+bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port)
+{
+	bfa_sm_send_event(port, BFA_FCS_PORT_SM_STOP);
+}
+
+/*
  * Called by fabric to delete base lport and associated resources.
  *
  * Called by vport to delete lport and associated resources. Should call
@@ -5884,6 +5902,16 @@ bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
 {
 	vport->vport_stats.fab_cleanup++;
 }
+
+/*
+ * Stop notification from fabric SM. To be invoked from within FCS.
+ */
+void
+bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport)
+{
+	bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
+}
+
 /*
  * delete notification from fabric SM. To be invoked from within FCS.
  */