[SCSI] bfa: cleanup driver

We have flattened the BFA hierarchy and also reduced the number of
source and header files we used to have earlier.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

drivers/scsi/bfa/Makefile

 obj-$(CONFIG_SCSI_BFA_FC) := bfa.o
 
-bfa-y := bfad.o bfad_intr.o bfad_os.o bfad_im.o bfad_attr.o bfad_fwimg.o
-bfa-y += bfad_debugfs.o
-bfa-y += bfa_core.o bfa_ioc.o bfa_ioc_ct.o bfa_ioc_cb.o bfa_iocfc.o bfa_fcxp.o
-bfa-y += bfa_lps.o bfa_hw_cb.o bfa_hw_ct.o bfa_intr.o bfa_timer.o bfa_rport.o
-bfa-y += bfa_fcport.o bfa_port.o bfa_uf.o bfa_sgpg.o bfa_module.o bfa_ioim.o
-bfa-y += bfa_itnim.o bfa_fcpim.o bfa_tskim.o bfa_log.o bfa_log_module.o
-bfa-y += bfa_csdebug.o bfa_sm.o plog.o
+bfa-y := bfad.o bfad_im.o bfad_attr.o bfad_debugfs.o
+bfa-y += bfa_ioc.o bfa_ioc_cb.o bfa_ioc_ct.o bfa_hw_cb.o bfa_hw_ct.o
+bfa-y += bfa_fcs.o bfa_fcs_lport.o bfa_fcs_rport.o bfa_fcs_fcpim.o bfa_fcbuild.o
+bfa-y += bfa_port.o bfa_fcpim.o bfa_core.o bfa_drv.o bfa_svc.o
 
-bfa-y += fcbuild.o fabric.o fcpim.o vfapi.o fcptm.o bfa_fcs.o bfa_fcs_port.o
-bfa-y += bfa_fcs_uf.o bfa_fcs_lport.o fab.o fdmi.o ms.o ns.o scn.o loop.o
-bfa-y += lport_api.o n2n.o rport.o rport_api.o rport_ftrs.o vport.o
-
-ccflags-y := -I$(obj) -I$(obj)/include -I$(obj)/include/cna -DBFA_PERF_BUILD
+ccflags-y := -DBFA_PERF_BUILD

drivers/scsi/bfa/bfa_callback_priv.h

-/*
- * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
- * All rights reserved
- * www.brocade.com
- *
- * Linux driver for Brocade Fibre Channel Host Bus Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- */
-
-#ifndef __BFA_CALLBACK_PRIV_H__
-#define __BFA_CALLBACK_PRIV_H__
-
-#include <cs/bfa_q.h>
-
-typedef void    (*bfa_cb_cbfn_t) (void *cbarg, bfa_boolean_t complete);
-
-/**
- * Generic BFA callback element.
- */
-struct bfa_cb_qe_s {
-	struct list_head         qe;
-	bfa_cb_cbfn_t  cbfn;
-	bfa_boolean_t   once;
-	u32		rsvd;
-	void           *cbarg;
-};
-
-#define bfa_cb_queue(__bfa, __hcb_qe, __cbfn, __cbarg) do {		\
-	(__hcb_qe)->cbfn  = (__cbfn);      \
-	(__hcb_qe)->cbarg = (__cbarg);      \
-	list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q);      \
-} while (0)
-
-#define bfa_cb_dequeue(__hcb_qe)	list_del(&(__hcb_qe)->qe)
-
-#define bfa_cb_queue_once(__bfa, __hcb_qe, __cbfn, __cbarg) do {	\
-	(__hcb_qe)->cbfn  = (__cbfn);      \
-	(__hcb_qe)->cbarg = (__cbarg);      \
-	if (!(__hcb_qe)->once) {      \
-		list_add_tail((__hcb_qe), &(__bfa)->comp_q);      \
-		(__hcb_qe)->once = BFA_TRUE;				\
-	}								\
-} while (0)
-
-#define bfa_cb_queue_done(__hcb_qe) do {				\
-	(__hcb_qe)->once = BFA_FALSE;					\
-} while (0)
-
-#endif /* __BFA_CALLBACK_PRIV_H__ */

drivers/scsi/bfa/bfa_cb_ioim_macros.h → drivers/scsi/bfa/bfa_cb_ioim.h

 /*
- * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
+ * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
  * All rights reserved
  * www.brocade.com
  *
@@ -15,22 +15,10 @@
  * General Public License for more details.
  */
 
-/**
- *  bfa_cb_ioim_macros.h BFA IOIM driver interface macros.
- */
-
-#ifndef __BFA_HCB_IOIM_MACROS_H__
-#define __BFA_HCB_IOIM_MACROS_H__
-
-#include <bfa_os_inc.h>
-/*
- * #include <linux/dma-mapping.h>
- *
- * #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> #include
- * <scsi/scsi_device.h> #include <scsi/scsi_host.h>
- */
-#include "bfad_im_compat.h"
+#ifndef __BFA_HCB_IOIM_H__
+#define __BFA_HCB_IOIM_H__
 
+#include "bfa_os_inc.h"
 /*
  * task attribute values in FCP-2 FCP_CMND IU
  */
@@ -178,4 +166,4 @@ bfa_cb_ioim_get_cdblen(struct bfad_ioim_s *dio)
  */
 #define bfa_cb_ioim_get_reqq(__dio) BFA_FALSE
 
-#endif /* __BFA_HCB_IOIM_MACROS_H__ */
+#endif /* __BFA_HCB_IOIM_H__ */

drivers/scsi/bfa/include/cs/bfa_trc.h → drivers/scsi/bfa/bfa_cs.h

 /*
- * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
+ * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
  * All rights reserved
  * www.brocade.com
  *
@@ -14,10 +14,19 @@
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * General Public License for more details.
  */
-#ifndef __BFA_TRC_H__
-#define __BFA_TRC_H__
 
-#include <bfa_os_inc.h>
+/**
+ *  bfa_cs.h BFA common services
+ */
+
+#ifndef __BFA_CS_H__
+#define __BFA_CS_H__
+
+#include "bfa_os_inc.h"
+
+/**
+ * BFA TRC
+ */
 
 #ifndef BFA_TRC_MAX
 #define BFA_TRC_MAX	(4 * 1024)
@@ -45,7 +54,6 @@ struct bfa_trc_s {
 	} data;
 };
 
-
 struct bfa_trc_mod_s {
 	u32	head;
 	u32	tail;
@@ -56,25 +64,11 @@ struct bfa_trc_mod_s {
 	struct bfa_trc_s trc[BFA_TRC_MAX];
 };
 
-
 enum {
-	BFA_TRC_FW   = 1,	/*  firmware modules */
-	BFA_TRC_HAL  = 2,	/*  BFA modules */
-	BFA_TRC_FCS  = 3,	/*  BFA FCS modules */
-	BFA_TRC_LDRV = 4,	/*  Linux driver modules */
-	BFA_TRC_SDRV = 5,	/*  Solaris driver modules */
-	BFA_TRC_VDRV = 6,	/*  vmware driver modules */
-	BFA_TRC_WDRV = 7,	/*  windows driver modules */
-	BFA_TRC_AEN  = 8,	/*  AEN module */
-	BFA_TRC_BIOS = 9,	/*  bios driver modules */
-	BFA_TRC_EFI  = 10,	/*  EFI driver modules */
-	BNA_TRC_WDRV = 11,	/*  BNA windows driver modules */
-	BNA_TRC_VDRV = 12,	/*  BNA vmware driver modules */
-	BNA_TRC_SDRV = 13,	/*  BNA Solaris driver modules */
-	BNA_TRC_LDRV = 14,	/*  BNA Linux driver modules */
-	BNA_TRC_HAL  = 15,	/*  BNA modules */
-	BFA_TRC_CNA  = 16,	/*  Common modules */
-	BNA_TRC_IMDRV = 17	/*  BNA windows intermediate driver modules */
+	BFA_TRC_HAL  = 1,	/*  BFA modules */
+	BFA_TRC_FCS  = 2,	/*  BFA FCS modules */
+	BFA_TRC_LDRV = 3,	/*  Linux driver modules */
+	BFA_TRC_CNA  = 4,	/*  Common modules */
 };
 #define BFA_TRC_MOD_SH	10
 #define BFA_TRC_MOD(__mod)	((BFA_TRC_ ## __mod) << BFA_TRC_MOD_SH)
@@ -89,18 +83,8 @@ enum {
 
 #define bfa_trc32(_trcp, _data)	\
 	__bfa_trc((_trcp)->trcmod, __trc_fileno, __LINE__, (u32)_data)
-
-
-#ifndef BFA_BOOT_BUILD
 #define bfa_trc(_trcp, _data)	\
 	__bfa_trc((_trcp)->trcmod, __trc_fileno, __LINE__, (u64)_data)
-#else
-void bfa_boot_trc(struct bfa_trc_mod_s *trcmod, u16 fileno,
-			u16 line, u32 data);
-#define bfa_trc(_trcp, _data)	\
-	bfa_boot_trc((_trcp)->trcmod, __trc_fileno, __LINE__, (u32)_data)
-#endif
-
 
 static inline void
 bfa_trc_init(struct bfa_trc_mod_s *trcm)
@@ -109,7 +93,6 @@ bfa_trc_init(struct bfa_trc_mod_s *trcm)
 	trcm->ntrc = BFA_TRC_MAX;
 }
 
-
 static inline void
 bfa_trc_stop(struct bfa_trc_mod_s *trcm)
 {
@@ -172,5 +155,210 @@ __bfa_trc32(struct bfa_trc_mod_s *trcm, int fileno, int line, u32 data)
 #define bfa_trc_fp(_trcp, _data)
 #endif
 
-#endif /* __BFA_TRC_H__ */
+/**
+ * @ BFA LOG interfaces
+ */
+#define bfa_assert(__cond)	do {					\
+	if (!(__cond)) {						\
+		printk(KERN_ERR "assert(%s) failed at %s:%d\\n",         \
+		#__cond, __FILE__, __LINE__);				\
+	}								\
+} while (0)
+
+#define bfa_sm_fault(__mod, __event)	do {				\
+	bfa_trc(__mod, (((u32)0xDEAD << 16) | __event));		\
+	printk(KERN_ERR	"Assertion failure: %s:%d: %d",			\
+		__FILE__, __LINE__, (__event));				\
+} while (0)
+
+#ifndef BFA_PERF_BUILD
+#define bfa_assert_fp(__cond)	bfa_assert(__cond)
+#else
+#define bfa_assert_fp(__cond)
+#endif
+
+/* BFA queue definitions */
+#define bfa_q_first(_q) ((void *)(((struct list_head *) (_q))->next))
+#define bfa_q_next(_qe) (((struct list_head *) (_qe))->next)
+#define bfa_q_prev(_qe) (((struct list_head *) (_qe))->prev)
+
+/*
+ * bfa_q_qe_init - to initialize a queue element
+ */
+#define bfa_q_qe_init(_qe) {				\
+	bfa_q_next(_qe) = (struct list_head *) NULL;	\
+	bfa_q_prev(_qe) = (struct list_head *) NULL;	\
+}
+
+/*
+ * bfa_q_deq - dequeue an element from head of the queue
+ */
+#define bfa_q_deq(_q, _qe) {						\
+	if (!list_empty(_q)) {						\
+		(*((struct list_head **) (_qe))) = bfa_q_next(_q);	\
+		bfa_q_prev(bfa_q_next(*((struct list_head **) _qe))) =	\
+				(struct list_head *) (_q);		\
+		bfa_q_next(_q) = bfa_q_next(*((struct list_head **) _qe));\
+		BFA_Q_DBG_INIT(*((struct list_head **) _qe));		\
+	} else {							\
+		*((struct list_head **) (_qe)) = (struct list_head *) NULL;\
+	}								\
+}
+
+/*
+ * bfa_q_deq_tail - dequeue an element from tail of the queue
+ */
+#define bfa_q_deq_tail(_q, _qe) {					\
+	if (!list_empty(_q)) {						\
+		*((struct list_head **) (_qe)) = bfa_q_prev(_q);	\
+		bfa_q_next(bfa_q_prev(*((struct list_head **) _qe))) =	\
+			(struct list_head *) (_q);			\
+		bfa_q_prev(_q) = bfa_q_prev(*(struct list_head **) _qe);\
+		BFA_Q_DBG_INIT(*((struct list_head **) _qe));		\
+	} else {							\
+		*((struct list_head **) (_qe)) = (struct list_head *) NULL;\
+	}								\
+}
+
+static inline int
+bfa_q_is_on_q_func(struct list_head *q, struct list_head *qe)
+{
+	struct list_head        *tqe;
+
+	tqe = bfa_q_next(q);
+	while (tqe != q) {
+		if (tqe == qe)
+			return 1;
+		tqe = bfa_q_next(tqe);
+		if (tqe == NULL)
+			break;
+	}
+	return 0;
+}
+
+/*
+ * #ifdef BFA_DEBUG (Using bfa_assert to check for debug_build is not
+ * consistent across modules)
+ */
+#ifndef BFA_PERF_BUILD
+#define BFA_Q_DBG_INIT(_qe) bfa_q_qe_init(_qe)
+#else
+#define BFA_Q_DBG_INIT(_qe)
+#endif
+
+#define bfa_q_is_on_q(_q, _qe)      \
+	bfa_q_is_on_q_func(_q, (struct list_head *)(_qe))
+
+/**
+ * @ BFA state machine interfaces
+ */
+
+typedef void (*bfa_sm_t)(void *sm, int event);
+
+/**
+ * oc - object class eg. bfa_ioc
+ * st - state, eg. reset
+ * otype - object type, eg. struct bfa_ioc_s
+ * etype - object type, eg. enum ioc_event
+ */
+#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))
+#define bfa_sm_send_event(_sm, _event)	((_sm)->sm((_sm), (_event)))
+#define bfa_sm_get_state(_sm)		((_sm)->sm)
+#define bfa_sm_cmp_state(_sm, _state)	((_sm)->sm == (bfa_sm_t)(_state))
+
+/**
+ * For converting from state machine function to state encoding.
+ */
+struct bfa_sm_table_s {
+	bfa_sm_t	sm;	/*  state machine function	*/
+	int		state;	/*  state machine encoding	*/
+	char		*name;	/*  state name for display	*/
+};
+#define BFA_SM(_sm)	((bfa_sm_t)(_sm))
+
+/**
+ * State machine with entry actions.
+ */
+typedef void (*bfa_fsm_t)(void *fsm, int event);
+
+/**
+ * oc - object class eg. bfa_ioc
+ * st - state, eg. reset
+ * otype - object type, eg. struct bfa_ioc_s
+ * 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);      \
+	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);      \
+} 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)		\
+	((_fsm)->fsm == (bfa_fsm_t)(_state))
+
+static inline int
+bfa_sm_to_state(struct bfa_sm_table_s *smt, bfa_sm_t sm)
+{
+	int	i = 0;
+
+	while (smt[i].sm && smt[i].sm != sm)
+		i++;
+	return smt[i].state;
+}
+
+/**
+ * @ Generic wait counter.
+ */
+
+typedef void (*bfa_wc_resume_t) (void *cbarg);
+
+struct bfa_wc_s {
+	bfa_wc_resume_t wc_resume;
+	void		*wc_cbarg;
+	int		wc_count;
+};
+
+static inline void
+bfa_wc_up(struct bfa_wc_s *wc)
+{
+	wc->wc_count++;
+}
+
+static inline void
+bfa_wc_down(struct bfa_wc_s *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_s *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_s *wc)
+{
+	bfa_wc_down(wc);
+}
 
+#endif /* __BFA_CS_H__ */

drivers/scsi/bfa/bfa_csdebug.c

-/*
- * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
- * All rights reserved
- * www.brocade.com
- *
- * Linux driver for Brocade Fibre Channel Host Bus Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- */
-
-#include <cs/bfa_debug.h>
-#include <bfa_os_inc.h>
-#include <cs/bfa_q.h>
-#include <log/bfa_log_hal.h>
-
-/**
- *  cs_debug_api
- */
-
-
-void
-bfa_panic(int line, char *file, char *panicstr)
-{
-	bfa_log(NULL, BFA_LOG_HAL_ASSERT, file, line, panicstr);
-	bfa_os_panic();
-}
-
-void
-bfa_sm_panic(struct bfa_log_mod_s *logm, int line, char *file, int event)
-{
-	bfa_log(logm, BFA_LOG_HAL_SM_ASSERT, file, line, event);
-	bfa_os_panic();
-}
-
-int
-bfa_q_is_on_q_func(struct list_head *q, struct list_head *qe)
-{
-	struct list_head        *tqe;
-
-	tqe = bfa_q_next(q);
-	while (tqe != q) {
-		if (tqe == qe)
-			return 1;
-		tqe = bfa_q_next(tqe);
-		if (tqe == NULL)
-			break;
-	}
-	return 0;
-}
-
-

drivers/scsi/bfa/bfa_module.c → drivers/scsi/bfa/bfa_drv.c

 /*
- * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
+ * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
  * All rights reserved
  * www.brocade.com
  *
@@ -14,10 +14,8 @@
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * General Public License for more details.
  */
-#include <bfa.h>
-#include <defs/bfa_defs_pci.h>
-#include <cs/bfa_debug.h>
-#include <bfa_iocfc.h>
+
+#include "bfa_modules.h"
 
 /**
  * BFA module list terminated by NULL
@@ -30,9 +28,6 @@ struct bfa_module_s *hal_mods[] = {
 	&hal_mod_uf,
 	&hal_mod_rport,
 	&hal_mod_fcpim,
-#ifdef BFA_CFG_PBIND
-	&hal_mod_pbind,
-#endif
 	NULL
 };
 
@@ -74,6 +69,7 @@ bfa_isr_func_t  bfa_isrs[BFI_MC_MAX] = {
 	bfa_isr_unhandled,	/* --------- */
 };
 
+
 /**
  * Message handlers for mailbox command classes
  */
@@ -88,3 +84,24 @@ bfa_ioc_mbox_mcfunc_t  bfa_mbox_isrs[BFI_MC_MAX] = {
 	NULL,
 };
 
+
+
+void
+bfa_com_port_attach(struct bfa_s *bfa, struct bfa_meminfo_s *mi)
+{
+	struct bfa_port_s	*port = &bfa->modules.port;
+	u32		dm_len;
+	u8			*dm_kva;
+	u64		dm_pa;
+
+	dm_len = bfa_port_meminfo();
+	dm_kva = bfa_meminfo_dma_virt(mi);
+	dm_pa  = bfa_meminfo_dma_phys(mi);
+
+	memset(port, 0, sizeof(struct bfa_port_s));
+	bfa_port_attach(port, &bfa->ioc, bfa, bfa->trcmod);
+	bfa_port_mem_claim(port, dm_kva, dm_pa);
+
+	bfa_meminfo_dma_virt(mi) = dm_kva + dm_len;
+	bfa_meminfo_dma_phys(mi) = dm_pa + dm_len;
+}

drivers/scsi/bfa/bfa_fcs_port.c

-/*
- * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
- * All rights reserved
- * www.brocade.com
- *
- * Linux driver for Brocade Fibre Channel Host Bus Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- */
-
-/**
- *  bfa_fcs_pport.c BFA FCS PPORT ( physical port)
- */
-
-#include <fcs/bfa_fcs.h>
-#include <bfa_svc.h>
-#include <fcs/bfa_fcs_fabric.h>
-#include "fcs_trcmod.h"
-#include "fcs.h"
-#include "fcs_fabric.h"
-#include "fcs_port.h"
-
-BFA_TRC_FILE(FCS, PPORT);
-
-static void
-bfa_fcs_pport_event_handler(void *cbarg, bfa_pport_event_t event)
-{
-	struct bfa_fcs_s      *fcs = cbarg;
-
-	bfa_trc(fcs, event);
-
-	switch (event) {
-	case BFA_PPORT_LINKUP:
-		bfa_fcs_fabric_link_up(&fcs->fabric);
-		break;
-
-	case BFA_PPORT_LINKDOWN:
-		bfa_fcs_fabric_link_down(&fcs->fabric);
-		break;
-
-	case BFA_PPORT_TRUNK_LINKDOWN:
-		bfa_assert(0);
-		break;
-
-	default:
-		bfa_assert(0);
-	}
-}
-
-void
-bfa_fcs_pport_attach(struct bfa_fcs_s *fcs)
-{
-	bfa_fcport_event_register(fcs->bfa, bfa_fcs_pport_event_handler, fcs);
-}

drivers/scsi/bfa/bfa_hw_cb.c

 /*
- * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
+ * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
  * All rights reserved
  * www.brocade.com
  *
@@ -15,8 +15,8 @@
  * General Public License for more details.
  */
 
-#include <bfa_priv.h>
-#include <bfi/bfi_cbreg.h>
+#include "bfa_modules.h"
+#include "bfi_cbreg.h"
 
 void
 bfa_hwcb_reginit(struct bfa_s *bfa)