[SCSI] bfa: IOC auto recovery fix.

- Made IOC auto_recovery synchronized and not timer based.
- Only one PCI function will attempt to recover and reinitialize
  the ASIC on a failure, after all the active PCI fns
  acknowledge the IOC failure.

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

1 files changed, 18 insertions, 1 deletions

diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h
index 62153f283216..5d2f34290e9d 100644
--- a/drivers/scsi/bfa/bfa_ioc.h
+++ b/drivers/scsi/bfa/bfa_ioc.h
@@ -149,8 +149,11 @@ struct bfa_ioc_regs_s {
         void __iomem *host_page_num_fn;
         void __iomem *heartbeat;
         void __iomem *ioc_fwstate;
+        void __iomem *alt_ioc_fwstate;
         void __iomem *ll_halt;
+        void __iomem *alt_ll_halt;
         void __iomem *err_set;
+        void __iomem *ioc_fail_sync;
         void __iomem *shirq_isr_next;
         void __iomem *shirq_msk_next;
         void __iomem *smem_page_start;
@@ -258,8 +261,12 @@ struct bfa_ioc_hwif_s {
         void            (*ioc_map_port) (struct bfa_ioc_s *ioc);
         void            (*ioc_isr_mode_set)     (struct bfa_ioc_s *ioc,
                                         bfa_boolean_t msix);
-        void            (*ioc_notify_hbfail)    (struct bfa_ioc_s *ioc);
+        void            (*ioc_notify_fail)      (struct bfa_ioc_s *ioc);
         void            (*ioc_ownership_reset)  (struct bfa_ioc_s *ioc);
+        void            (*ioc_sync_join)        (struct bfa_ioc_s *ioc);
+        void            (*ioc_sync_leave)       (struct bfa_ioc_s *ioc);
+        void            (*ioc_sync_ack)         (struct bfa_ioc_s *ioc);
+        bfa_boolean_t   (*ioc_sync_complete)    (struct bfa_ioc_s *ioc);
 };
 
 #define bfa_ioc_pcifn(__ioc)            ((__ioc)->pcidev.pci_func)
@@ -289,6 +296,15 @@ struct bfa_ioc_hwif_s {
 #define BFA_IOC_FLASH_OFFSET_IN_CHUNK(off)      (off % BFI_FLASH_CHUNK_SZ_WORDS)
 #define BFA_IOC_FLASH_CHUNK_ADDR(chunkno)  (chunkno * BFI_FLASH_CHUNK_SZ_WORDS)
 
+#ifdef BFA_IOC_IS_UEFI
+#define bfa_ioc_is_bios_optrom(__ioc) (0)
+#define bfa_ioc_is_uefi(__ioc) BFA_IOC_IS_UEFI
+#else
+#define bfa_ioc_is_bios_optrom(__ioc)   \
+        (bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(__ioc)) < BFA_IOC_FWIMG_MINSZ)
+#define bfa_ioc_is_uefi(__ioc) (0)
+#endif
+
 /*
  * IOC mailbox interface
  */
@@ -343,6 +359,7 @@ bfa_boolean_t bfa_ioc_is_initialized(struct bfa_ioc_s *ioc);
 bfa_boolean_t bfa_ioc_is_disabled(struct bfa_ioc_s *ioc);
 bfa_boolean_t bfa_ioc_fw_mismatch(struct bfa_ioc_s *ioc);
 bfa_boolean_t bfa_ioc_adapter_is_disabled(struct bfa_ioc_s *ioc);
+void bfa_ioc_reset_fwstate(struct bfa_ioc_s *ioc);
 enum bfa_ioc_type_e bfa_ioc_get_type(struct bfa_ioc_s *ioc);
 void bfa_ioc_get_adapter_serial_num(struct bfa_ioc_s *ioc, char *serial_num);
 void bfa_ioc_get_adapter_fw_ver(struct bfa_ioc_s *ioc, char *fw_ver);