[SCSI] qla4xxx: IDC implementation for Loopback
Handle IDC Request Notify AEN and post IDC Acknowledgement
while participating in Loopback IDC.
Signed-off-by: Nilesh Javali <nilesh.javali@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c
index 5050321..15ea814 100644
--- a/drivers/scsi/qla4xxx/ql4_isr.c
+++ b/drivers/scsi/qla4xxx/ql4_isr.c
@@ -806,6 +806,43 @@
" removed\n", ha->host_no, mbox_sts[0]));
break;
+ case MBOX_ASTS_IDC_NOTIFY:
+ {
+ uint32_t opcode;
+ if (is_qla8032(ha)) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi%ld: AEN %04x, mbox_sts[1]=%08x, mbox_sts[2]=%08x, mbox_sts[3]=%08x, mbox_sts[4]=%08x\n",
+ ha->host_no, mbox_sts[0],
+ mbox_sts[1], mbox_sts[2],
+ mbox_sts[3], mbox_sts[4]));
+ opcode = mbox_sts[1] >> 16;
+ if ((opcode == MBOX_CMD_SET_PORT_CONFIG) ||
+ (opcode == MBOX_CMD_PORT_RESET)) {
+ set_bit(DPC_POST_IDC_ACK,
+ &ha->dpc_flags);
+ ha->idc_info.request_desc = mbox_sts[1];
+ ha->idc_info.info1 = mbox_sts[2];
+ ha->idc_info.info2 = mbox_sts[3];
+ ha->idc_info.info3 = mbox_sts[4];
+ qla4xxx_wake_dpc(ha);
+ }
+ }
+ break;
+ }
+
+ case MBOX_ASTS_IDC_COMPLETE:
+ if (is_qla8032(ha)) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi%ld: AEN %04x, mbox_sts[1]=%08x, mbox_sts[2]=%08x, mbox_sts[3]=%08x, mbox_sts[4]=%08x\n",
+ ha->host_no, mbox_sts[0],
+ mbox_sts[1], mbox_sts[2],
+ mbox_sts[3], mbox_sts[4]));
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi:%ld: AEN %04x IDC Complete notification\n",
+ ha->host_no, mbox_sts[0]));
+ }
+ break;
+
default:
DEBUG2(printk(KERN_WARNING
"scsi%ld: AEN %04x UNKNOWN\n",