[SCSI] bfa: Added Fabric Assigned Address(FAA) support
- Updated/added data structures and definitions to support FAA protocol.
- Modified the IOC state machine to support FAA.
- Introduced FAA feature configuration - enable/disable/query.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c
index 931bf97..7b4a567 100644
--- a/drivers/scsi/bfa/bfa_ioc.c
+++ b/drivers/scsi/bfa/bfa_ioc.c
@@ -113,6 +113,7 @@
IOC_E_HWERROR = 10, /* hardware error interrupt */
IOC_E_TIMEOUT = 11, /* timeout */
IOC_E_HWFAILED = 12, /* PCI mapping failure notice */
+ IOC_E_FWRSP_ACQ_ADDR = 13, /* Acquiring address */
};
bfa_fsm_state_decl(bfa_ioc, uninit, struct bfa_ioc_s, enum ioc_event);
@@ -125,6 +126,7 @@
bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, hwfail, struct bfa_ioc_s, enum ioc_event);
+bfa_fsm_state_decl(bfa_ioc, acq_addr, struct bfa_ioc_s, enum ioc_event);
static struct bfa_sm_table_s ioc_sm_table[] = {
{BFA_SM(bfa_ioc_sm_uninit), BFA_IOC_UNINIT},
@@ -137,6 +139,7 @@
{BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING},
{BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED},
{BFA_SM(bfa_ioc_sm_hwfail), BFA_IOC_HWFAIL},
+ {BFA_SM(bfa_ioc_sm_acq_addr), BFA_IOC_ACQ_ADDR},
};
/*
@@ -368,10 +371,16 @@
case IOC_E_FWRSP_GETATTR:
bfa_ioc_timer_stop(ioc);
bfa_ioc_check_attr_wwns(ioc);
+ bfa_ioc_hb_monitor(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_op);
break;
+ case IOC_E_FWRSP_ACQ_ADDR:
+ bfa_ioc_timer_stop(ioc);
+ bfa_ioc_hb_monitor(ioc);
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_acq_addr);
break;
+
case IOC_E_PFFAILED:
case IOC_E_HWERROR:
bfa_ioc_timer_stop(ioc);
@@ -396,6 +405,50 @@
}
}
+/*
+ * Acquiring address from fabric (entry function)
+ */
+static void
+bfa_ioc_sm_acq_addr_entry(struct bfa_ioc_s *ioc)
+{
+}
+
+/*
+ * Acquiring address from the fabric
+ */
+static void
+bfa_ioc_sm_acq_addr(struct bfa_ioc_s *ioc, enum ioc_event event)
+{
+ bfa_trc(ioc, event);
+
+ switch (event) {
+ case IOC_E_FWRSP_GETATTR:
+ bfa_ioc_check_attr_wwns(ioc);
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_op);
+ break;
+
+ case IOC_E_PFFAILED:
+ case IOC_E_HWERROR:
+ bfa_hb_timer_stop(ioc);
+ case IOC_E_HBFAIL:
+ ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
+ if (event != IOC_E_PFFAILED)
+ bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL);
+ break;
+
+ case IOC_E_DISABLE:
+ bfa_hb_timer_stop(ioc);
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
+ break;
+
+ case IOC_E_ENABLE:
+ break;
+
+ default:
+ bfa_sm_fault(ioc, event);
+ }
+}
static void
bfa_ioc_sm_op_entry(struct bfa_ioc_s *ioc)
@@ -404,7 +457,6 @@
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK);
bfa_ioc_event_notify(ioc, BFA_IOC_E_ENABLED);
- bfa_ioc_hb_monitor(ioc);
BFA_LOG(KERN_INFO, bfad, bfa_log_level, "IOC enabled\n");
}
@@ -2065,6 +2117,10 @@
bfa_ioc_getattr_reply(ioc);
break;
+ case BFI_IOC_I2H_ACQ_ADDR_REPLY:
+ bfa_fsm_send_event(ioc, IOC_E_FWRSP_ACQ_ADDR);
+ break;
+
default:
bfa_trc(ioc, msg->mh.msg_id);
WARN_ON(1);
@@ -2360,6 +2416,15 @@
}
/*
+ * Return TRUE if IOC is in acquiring address state
+ */
+bfa_boolean_t
+bfa_ioc_is_acq_addr(struct bfa_ioc_s *ioc)
+{
+ return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_acq_addr);
+}
+
+/*
* return true if IOC firmware is different.
*/
bfa_boolean_t