bna: Header File Consolidation

Change details:
 - Consolidated bfa_sm.h and bfa_wc.h into bfa_cs.h

Signed-off-by: Rasesh Mody <rmody@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/bna/bfa_sm.h → drivers/net/bna/bfa_cs.h

@@ -11,20 +11,24 @@
  * General Public License for more details.
  */
 /*
- * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
+ * Copyright (c) 2005-2011 Brocade Communications Systems, Inc.
  * All rights reserved
  * www.brocade.com
  */
 
 /**
- * @file bfasm.h State machine defines
+ * @file bfa_cs.h BFA common services
  */
 
-#ifndef __BFA_SM_H__
-#define __BFA_SM_H__
+#ifndef __BFA_CS_H__
+#define __BFA_CS_H__
 
 #include "cna.h"
 
+/**
+ * @ BFA state machine interfaces
+ */
+
 typedef void (*bfa_sm_t)(void *sm, int event);
 
 /**
@@ -33,7 +37,7 @@ typedef void (*bfa_sm_t)(void *sm, int event);
  * otype - object type, eg. struct bfa_ioc
  * etype - object type, eg. enum ioc_event
  */
-#define bfa_sm_state_decl(oc, st, otype, etype)		\
+#define bfa_sm_state_decl(oc, st, otype, etype)			\
 	static void oc ## _sm_ ## st(otype * fsm, etype event)
 
 #define bfa_sm_set_state(_sm, _state)	((_sm)->sm = (bfa_sm_t)(_state))
@@ -49,7 +53,7 @@ struct bfa_sm_table {
 	int		state;	/*!< state machine encoding	*/
 	char		*name;	/*!< state name for display	*/
 };
-#define BFA_SM(_sm)	((bfa_sm_t)(_sm))
+#define BFA_SM(_sm)		((bfa_sm_t)(_sm))
 
 /**
  * State machine with entry actions.
@@ -62,18 +66,18 @@ typedef void (*bfa_fsm_t)(void *fsm, int event);
  * otype - object type, eg. struct bfa_ioc
  * etype - object type, eg. enum ioc_event
  */
-#define bfa_fsm_state_decl(oc, st, otype, etype)		\
-	static void oc ## _sm_ ## st(otype * fsm, etype event);	\
+#define bfa_fsm_state_decl(oc, st, otype, etype)			\
+	static void oc ## _sm_ ## st(otype * fsm, etype event);		\
 	static void oc ## _sm_ ## st ## _entry(otype * fsm)
 
-#define bfa_fsm_set_state(_fsm, _state) do {	\
-	(_fsm)->fsm = (bfa_fsm_t)(_state);	\
-	_state ## _entry(_fsm);			\
+#define bfa_fsm_set_state(_fsm, _state) do {				\
+	(_fsm)->fsm = (bfa_fsm_t)(_state);				\
+	_state ## _entry(_fsm);						\
 } while (0)
 
 #define bfa_fsm_send_event(_fsm, _event)	((_fsm)->fsm((_fsm), (_event)))
 #define bfa_fsm_get_state(_fsm)			((_fsm)->fsm)
-#define bfa_fsm_cmp_state(_fsm, _state)		\
+#define bfa_fsm_cmp_state(_fsm, _state)					\
 	((_fsm)->fsm == (bfa_fsm_t)(_state))
 
 static inline int
@@ -85,4 +89,52 @@ bfa_sm_to_state(const struct bfa_sm_table *smt, bfa_sm_t sm)
 		i++;
 	return smt[i].state;
 }
-#endif
+
+/**
+ * @ Generic wait counter.
+ */
+
+typedef void (*bfa_wc_resume_t) (void *cbarg);
+
+struct bfa_wc {
+	bfa_wc_resume_t wc_resume;
+	void		*wc_cbarg;
+	int		wc_count;
+};
+
+static inline void
+bfa_wc_up(struct bfa_wc *wc)
+{
+	wc->wc_count++;
+}
+
+static inline void
+bfa_wc_down(struct bfa_wc *wc)
+{
+	wc->wc_count--;
+	if (wc->wc_count == 0)
+		wc->wc_resume(wc->wc_cbarg);
+}
+
+/**
+ * Initialize a waiting counter.
+ */
+static inline void
+bfa_wc_init(struct bfa_wc *wc, bfa_wc_resume_t wc_resume, void *wc_cbarg)
+{
+	wc->wc_resume = wc_resume;
+	wc->wc_cbarg = wc_cbarg;
+	wc->wc_count = 0;
+	bfa_wc_up(wc);
+}
+
+/**
+ * Wait for counter to reach zero
+ */
+static inline void
+bfa_wc_wait(struct bfa_wc *wc)
+{
+	bfa_wc_down(wc);
+}
+
+#endif /* __BFA_CS_H__ */

drivers/net/bna/bfa_ioc.h

@@ -19,7 +19,7 @@
 #ifndef __BFA_IOC_H__
 #define __BFA_IOC_H__
 
-#include "bfa_sm.h"
+#include "bfa_cs.h"
 #include "bfi.h"
 #include "cna.h"
 

drivers/net/bna/bna.h

@@ -13,7 +13,7 @@
 #ifndef __BNA_H__
 #define __BNA_H__
 
-#include "bfa_wc.h"
+#include "bfa_cs.h"
 #include "bfa_ioc.h"
 #include "cna.h"
 #include "bfi_ll.h"

drivers/net/bna/bna_ctrl.c

@@ -16,8 +16,7 @@
  * www.brocade.com
  */
 #include "bna.h"
-#include "bfa_sm.h"
-#include "bfa_wc.h"
+#include "bfa_cs.h"
 
 static void bna_device_cb_port_stopped(void *arg, enum bna_cb_status status);
 

drivers/net/bna/bna_txrx.c

@@ -16,7 +16,7 @@
  * www.brocade.com
  */
 #include "bna.h"
-#include "bfa_sm.h"
+#include "bfa_cs.h"
 #include "bfi.h"
 
 /**