[SCSI] bfa: Added firmware save clear feature for BFA driver.

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

drivers/scsi/bfa/bfa_core.c

@@ -384,6 +384,15 @@ bfa_debug_fwsave(struct bfa_s *bfa, void *trcdata, int *trclen)
 	return bfa_ioc_debug_fwsave(&bfa->ioc, trcdata, trclen);
 }
 
+/**
+ * Clear the saved firmware trace information of an IOC.
+ */
+void
+bfa_debug_fwsave_clear(struct bfa_s *bfa)
+{
+	bfa_ioc_debug_fwsave_clear(&bfa->ioc);
+}
+
 /**
  * 		Fetch firmware trace data.
  *

drivers/scsi/bfa/bfa_ioc.c

@@ -1488,7 +1488,6 @@ return (auto_recover) ? BFA_DBG_FWTRC_LEN : 0;
 void
 bfa_ioc_debug_memclaim(struct bfa_ioc_s *ioc, void *dbg_fwsave)
 {
-	bfa_assert(ioc->auto_recover);
 	ioc->dbg_fwsave = dbg_fwsave;
 	ioc->dbg_fwsave_len = bfa_ioc_debug_trcsz(ioc->auto_recover);
 }
@@ -1924,6 +1923,15 @@ bfa_ioc_debug_fwsave(struct bfa_ioc_s *ioc, void *trcdata, int *trclen)
 	return BFA_STATUS_OK;
 }
 
+/**
+ * Clear saved firmware trace
+ */
+void
+bfa_ioc_debug_fwsave_clear(struct bfa_ioc_s *ioc)
+{
+	ioc->dbg_fwsave_once = BFA_TRUE;
+}
+
 /**
  * Retrieve saved firmware trace from a prior IOC failure.
  */

drivers/scsi/bfa/bfa_ioc.h

@@ -270,6 +270,7 @@ int bfa_ioc_debug_trcsz(bfa_boolean_t auto_recover);
 void bfa_ioc_debug_memclaim(struct bfa_ioc_s *ioc, void *dbg_fwsave);
 bfa_status_t bfa_ioc_debug_fwsave(struct bfa_ioc_s *ioc, void *trcdata,
 		int *trclen);
+void bfa_ioc_debug_fwsave_clear(struct bfa_ioc_s *ioc);
 bfa_status_t bfa_ioc_debug_fwtrc(struct bfa_ioc_s *ioc, void *trcdata,
 				 int *trclen);
 u32 bfa_ioc_smem_pgnum(struct bfa_ioc_s *ioc, u32 fmaddr);

drivers/scsi/bfa/include/bfa.h

@@ -172,6 +172,7 @@ void bfa_timer_tick(struct bfa_s *bfa);
  */
 bfa_status_t bfa_debug_fwtrc(struct bfa_s *bfa, void *trcdata, int *trclen);
 bfa_status_t bfa_debug_fwsave(struct bfa_s *bfa, void *trcdata, int *trclen);
+void bfa_debug_fwsave_clear(struct bfa_s *bfa);
 
 #include "bfa_priv.h"