[SCSI] bfa: IOC changes: Support faster recovery and split bfa_ioc.c into ASIC specific code.

Add support for faster IOC recovery after failure.

Split bfa_ioc.c into three files:
  bfa_ioc.c:    Common code shared between crossbow and catapult ASIC's.

  bfa_ioc_cb.c: Code specific to the crossbow, reg mapping and
                interrupt related routines.

  bfa_ioc_ct.c: Code specific to the catapult, reg mapping and
                interrupt related routines.

Fix to make sure IOC reinitialize's properly on enable request -
update the ioc_fwstate reg with BFI_IOC_FAIL on ioc disable mbox cmd
timeout.

Makefile changes to support the 2 newly added files bfa_ioc_cb.c and
bfa_ioc_ct.c.

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

6 files changed, 11 insertions, 3 deletions

diff --git a/drivers/scsi/bfa/include/bfa.h b/drivers/scsi/bfa/include/bfa.h
index d4bc0d9fa42c..942ae64038c9 100644
--- a/drivers/scsi/bfa/include/bfa.h
+++ b/drivers/scsi/bfa/include/bfa.h
@@ -161,6 +161,7 @@ bfa_status_t bfa_iocfc_israttr_set(struct bfa_s *bfa,
 void bfa_iocfc_enable(struct bfa_s *bfa);
 void bfa_iocfc_disable(struct bfa_s *bfa);
 void bfa_ioc_auto_recover(bfa_boolean_t auto_recover);
+void bfa_chip_reset(struct bfa_s *bfa);
 void bfa_cb_ioc_disable(void *bfad);
 void bfa_timer_tick(struct bfa_s *bfa);
 #define bfa_timer_start(_bfa, _timer, _timercb, _arg, _timeout) \
diff --git a/drivers/scsi/bfa/include/bfa_timer.h b/drivers/scsi/bfa/include/bfa_timer.h
index e407103fa565..f71087448222 100644
--- a/drivers/scsi/bfa/include/bfa_timer.h
+++ b/drivers/scsi/bfa/include/bfa_timer.h
@@ -41,7 +41,7 @@ struct bfa_timer_mod_s {
         struct list_head timer_q;
 };
 
-#define BFA_TIMER_FREQ 500 /**< specified in millisecs */
+#define BFA_TIMER_FREQ 200 /**< specified in millisecs */
 
 void bfa_timer_beat(struct bfa_timer_mod_s *mod);
 void bfa_timer_init(struct bfa_timer_mod_s *mod);
diff --git a/drivers/scsi/bfa/include/bfi/bfi_cbreg.h b/drivers/scsi/bfa/include/bfi/bfi_cbreg.h
index b3bb52b565b1..781cefafb659 100644
--- a/drivers/scsi/bfa/include/bfi/bfi_cbreg.h
+++ b/drivers/scsi/bfa/include/bfi/bfi_cbreg.h
@@ -177,7 +177,8 @@
 #define __PSS_LMEM_INIT_EN               0x00000100
 #define __PSS_LPU1_RESET                 0x00000002
 #define __PSS_LPU0_RESET                 0x00000001
-
+#define ERR_SET_REG                      0x00018818
+#define __PSS_ERR_STATUS_SET             0x00000fff
 
 /*
  * These definitions are either in error/missing in spec. Its auto-generated
diff --git a/drivers/scsi/bfa/include/bfi/bfi_ctreg.h b/drivers/scsi/bfa/include/bfi/bfi_ctreg.h
index dd2992c38afb..d84ebae70cb4 100644
--- a/drivers/scsi/bfa/include/bfi/bfi_ctreg.h
+++ b/drivers/scsi/bfa/include/bfi/bfi_ctreg.h
@@ -430,6 +430,8 @@ enum {
 #define __PSS_LMEM_INIT_EN               0x00000100
 #define __PSS_LPU1_RESET                 0x00000002
 #define __PSS_LPU0_RESET                 0x00000001
+#define ERR_SET_REG                      0x00018818
+#define __PSS_ERR_STATUS_SET             0x003fffff
 #define HQM_QSET0_RXQ_DRBL_P0            0x00038000
 #define __RXQ0_ADD_VECTORS_P             0x80000000
 #define __RXQ0_STOP_P                    0x40000000
diff --git a/drivers/scsi/bfa/include/bfi/bfi_ioc.h b/drivers/scsi/bfa/include/bfi/bfi_ioc.h
index 96ef05670659..a0158aac0024 100644
--- a/drivers/scsi/bfa/include/bfi/bfi_ioc.h
+++ b/drivers/scsi/bfa/include/bfi/bfi_ioc.h
@@ -123,7 +123,7 @@ enum bfi_ioc_state {
         BFI_IOC_DISABLING        = 5,   /*  IOC is being disabled           */
         BFI_IOC_DISABLED         = 6,   /*  IOC is disabled                 */
         BFI_IOC_CFG_DISABLED = 7,       /*  IOC is being disabled;transient */
-        BFI_IOC_HBFAIL       = 8,       /*  IOC heart-beat failure          */
+        BFI_IOC_FAIL       = 8,         /*  IOC heart-beat failure          */
         BFI_IOC_MEMTEST      = 9,       /*  IOC is doing memtest            */
 };
 
diff --git a/drivers/scsi/bfa/include/cna/bfa_cna_trcmod.h b/drivers/scsi/bfa/include/cna/bfa_cna_trcmod.h
index 43ba7064e81a..a75a1f3be315 100644
--- a/drivers/scsi/bfa/include/cna/bfa_cna_trcmod.h
+++ b/drivers/scsi/bfa/include/cna/bfa_cna_trcmod.h
@@ -31,6 +31,10 @@
 enum {
         BFA_TRC_CNA_CEE         = 1,
         BFA_TRC_CNA_PORT        = 2,
+        BFA_TRC_CNA_IOC     = 3,
+        BFA_TRC_CNA_DIAG    = 4,
+        BFA_TRC_CNA_IOC_CB  = 5,
+        BFA_TRC_CNA_IOC_CT  = 6,
 };
 
 #endif /* __BFA_CNA_TRCMOD_H__ */