drivers/scsi/csiostor/csio_mb.h - kernel/bruno - Git at Google

 /*
  * This file is part of the Chelsio FCoE driver for Linux.
  *
  * Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
  * General Public License (GPL) Version 2, available from the file
  * COPYING in the main directory of this source tree, or the
  * OpenIB.org BSD license below:
  *
  *     Redistribution and use in source and binary forms, with or
  *     without modification, are permitted provided that the following
  *     conditions are met:
  *
  *      - Redistributions of source code must retain the above
  *        copyright notice, this list of conditions and the following
  *        disclaimer.
  *
  *      - Redistributions in binary form must reproduce the above
  *        copyright notice, this list of conditions and the following
  *        disclaimer in the documentation and/or other materials
  *        provided with the distribution.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */

 #ifndef __CSIO_MB_H__
 #define __CSIO_MB_H__

 #include <linux/timer.h>
 #include <linux/completion.h>

 #include "t4fw_api.h"
 #include "t4fw_api_stor.h"
 #include "csio_defs.h"

 #define CSIO_STATS_OFFSET (2)
 #define CSIO_NUM_STATS_PER_MB (6)

 struct fw_fcoe_port_cmd_params {
 	uint8_t		portid;
 	uint8_t		idx;
 	uint8_t		nstats;
 };

 #define CSIO_DUMP_MB(__hw, __num, __mb)					\
 	csio_dbg(__hw, "\t%llx %llx %llx %llx %llx %llx %llx %llx\n",	\
 		(unsigned long long)csio_rd_reg64(__hw, __mb),		\
 		(unsigned long long)csio_rd_reg64(__hw, __mb + 8),	\
 		(unsigned long long)csio_rd_reg64(__hw, __mb + 16),	\
 		(unsigned long long)csio_rd_reg64(__hw, __mb + 24),	\
 		(unsigned long long)csio_rd_reg64(__hw, __mb + 32),	\
 		(unsigned long long)csio_rd_reg64(__hw, __mb + 40),	\
 		(unsigned long long)csio_rd_reg64(__hw, __mb + 48),	\
 		(unsigned long long)csio_rd_reg64(__hw, __mb + 56))

 #define CSIO_MB_MAX_REGS	8
 #define CSIO_MAX_MB_SIZE	64
 #define CSIO_MB_POLL_FREQ	5		/*  5 ms */
 #define CSIO_MB_DEFAULT_TMO	FW_CMD_MAX_TIMEOUT

 /* Device master in HELLO command */
 enum csio_dev_master { CSIO_MASTER_CANT, CSIO_MASTER_MAY, CSIO_MASTER_MUST };

 enum csio_mb_owner { CSIO_MBOWNER_NONE, CSIO_MBOWNER_FW, CSIO_MBOWNER_PL };

 enum csio_dev_state {
 	CSIO_DEV_STATE_UNINIT,
 	CSIO_DEV_STATE_INIT,
 	CSIO_DEV_STATE_ERR
 };

 #define FW_PARAM_DEV(param) \
 	(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) | \
 	 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_##param))

 #define FW_PARAM_PFVF(param) \
 	(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_PFVF) | \
 	 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_PFVF_##param)|  \
 	 FW_PARAMS_PARAM_Y_V(0) | \
 	 FW_PARAMS_PARAM_Z_V(0))

 enum {
 	PAUSE_RX      = 1 << 0,
 	PAUSE_TX      = 1 << 1,
 	PAUSE_AUTONEG = 1 << 2
 };

 #define CSIO_INIT_MBP(__mbp, __cp,  __tmo, __priv, __fn, __clear)	\
 do {									\
 	if (__clear)							\
 		memset((__cp), 0,					\
 			    CSIO_MB_MAX_REGS * sizeof(__be64));		\
 	INIT_LIST_HEAD(&(__mbp)->list);					\
 	(__mbp)->tmo		= (__tmo);				\
 	(__mbp)->priv		= (void *)(__priv);			\
 	(__mbp)->mb_cbfn	= (__fn);				\
 	(__mbp)->mb_size	= sizeof(*(__cp));			\
 } while (0)

 struct csio_mbm_stats {
 	uint32_t	n_req;		/* number of mbox req */
 	uint32_t	n_rsp;		/* number of mbox rsp */
 	uint32_t	n_activeq;	/* number of mbox req active Q */
 	uint32_t	n_cbfnq;	/* number of mbox req cbfn Q */
 	uint32_t	n_tmo;		/* number of mbox timeout */
 	uint32_t	n_cancel;	/* number of mbox cancel */
 	uint32_t	n_err;		/* number of mbox error */
 };

 /* Driver version of Mailbox */
 struct csio_mb {
 	struct list_head	list;			/* for req/resp */
 							/* queue in driver */
 	__be64			mb[CSIO_MB_MAX_REGS];	/* MB in HW format */
 	int			mb_size;		/* Size of this
 							 * mailbox.
 							 */
 	uint32_t		tmo;			/* Timeout */
 	struct completion	cmplobj;		/* MB Completion
 							 * object
 							 */
 	void			(*mb_cbfn) (struct csio_hw *, struct csio_mb *);
 							/* Callback fn */
 	void			*priv;			/* Owner private ptr */
 };

 struct csio_mbm {
 	uint32_t		a_mbox;			/* Async mbox num */
 	uint32_t		intr_idx;		/* Interrupt index */
 	struct timer_list	timer;			/* Mbox timer */
 	struct list_head	req_q;			/* Mbox request queue */
 	struct list_head	cbfn_q;			/* Mbox completion q */
 	struct csio_mb		*mcurrent;		/* Current mailbox */
 	uint32_t		req_q_cnt;		/* Outstanding mbox
 							 * cmds
 							 */
 	struct csio_mbm_stats	stats;			/* Statistics */
 };

 #define csio_set_mb_intr_idx(_m, _i)	((_m)->intr_idx = (_i))
 #define csio_get_mb_intr_idx(_m)	((_m)->intr_idx)

 struct csio_iq_params;
 struct csio_eq_params;

 enum fw_retval csio_mb_fw_retval(struct csio_mb *);

 /* MB helpers */
 void csio_mb_hello(struct csio_hw *, struct csio_mb *, uint32_t,
 		   uint32_t, uint32_t, enum csio_dev_master,
 		   void (*)(struct csio_hw *, struct csio_mb *));

 void csio_mb_process_hello_rsp(struct csio_hw *, struct csio_mb *,
 			       enum fw_retval *, enum csio_dev_state *,
 			       uint8_t *);

 void csio_mb_bye(struct csio_hw *, struct csio_mb *, uint32_t,
 		 void (*)(struct csio_hw *, struct csio_mb *));

 void csio_mb_reset(struct csio_hw *, struct csio_mb *, uint32_t, int, int,
 		   void (*)(struct csio_hw *, struct csio_mb *));

 void csio_mb_params(struct csio_hw *, struct csio_mb *, uint32_t, unsigned int,
 		    unsigned int, unsigned int, const u32 *, u32 *, bool,
 		    void (*)(struct csio_hw *, struct csio_mb *));

 void csio_mb_process_read_params_rsp(struct csio_hw *, struct csio_mb *,
 				enum fw_retval *, unsigned int , u32 *);

 void csio_mb_ldst(struct csio_hw *hw, struct csio_mb *mbp, uint32_t tmo,
 		  int reg);

 void csio_mb_caps_config(struct csio_hw *, struct csio_mb *, uint32_t,
 			    bool, bool, bool, bool,
 			    void (*)(struct csio_hw *, struct csio_mb *));

 void csio_mb_port(struct csio_hw *, struct csio_mb *, uint32_t,
 		  uint8_t, bool, uint32_t, uint16_t,
 		  void (*) (struct csio_hw *, struct csio_mb *));

 void csio_mb_process_read_port_rsp(struct csio_hw *, struct csio_mb *,
 				   enum fw_retval *, uint16_t *);

 void csio_mb_initialize(struct csio_hw *, struct csio_mb *, uint32_t,
 			void (*)(struct csio_hw *, struct csio_mb *));

 void csio_mb_iq_alloc_write(struct csio_hw *, struct csio_mb *, void *,
 			uint32_t, struct csio_iq_params *,
 			void (*) (struct csio_hw *, struct csio_mb *));

 void csio_mb_iq_alloc_write_rsp(struct csio_hw *, struct csio_mb *,
 				enum fw_retval *, struct csio_iq_params *);

 void csio_mb_iq_free(struct csio_hw *, struct csio_mb *, void *,
 		     uint32_t, struct csio_iq_params *,
 		     void (*) (struct csio_hw *, struct csio_mb *));

 void csio_mb_eq_ofld_alloc_write(struct csio_hw *, struct csio_mb *, void *,
 				 uint32_t, struct csio_eq_params *,
 				 void (*) (struct csio_hw *, struct csio_mb *));

 void csio_mb_eq_ofld_alloc_write_rsp(struct csio_hw *, struct csio_mb *,
 				     enum fw_retval *, struct csio_eq_params *);

 void csio_mb_eq_ofld_free(struct csio_hw *, struct csio_mb *, void *,
 			  uint32_t , struct csio_eq_params *,
 			  void (*) (struct csio_hw *, struct csio_mb *));

 void csio_fcoe_read_res_info_init_mb(struct csio_hw *, struct csio_mb *,
 			uint32_t,
 			void (*) (struct csio_hw *, struct csio_mb *));

 void csio_write_fcoe_link_cond_init_mb(struct csio_lnode *, struct csio_mb *,
 			uint32_t, uint8_t, uint32_t, uint8_t, bool, uint32_t,
 			void (*) (struct csio_hw *, struct csio_mb *));

 void csio_fcoe_vnp_alloc_init_mb(struct csio_lnode *, struct csio_mb *,
 			uint32_t, uint32_t , uint32_t , uint16_t,
 			uint8_t [8], uint8_t [8],
 			void (*) (struct csio_hw *, struct csio_mb *));

 void csio_fcoe_vnp_read_init_mb(struct csio_lnode *, struct csio_mb *,
 			uint32_t, uint32_t , uint32_t ,
 			void (*) (struct csio_hw *, struct csio_mb *));

 void csio_fcoe_vnp_free_init_mb(struct csio_lnode *, struct csio_mb *,
 			uint32_t , uint32_t, uint32_t ,
 			void (*) (struct csio_hw *, struct csio_mb *));

 void csio_fcoe_read_fcf_init_mb(struct csio_lnode *, struct csio_mb *,
 			uint32_t, uint32_t, uint32_t,
 			void (*cbfn) (struct csio_hw *, struct csio_mb *));

 void csio_fcoe_read_portparams_init_mb(struct csio_hw *hw,
 			struct csio_mb *mbp, uint32_t mb_tmo,
 			struct fw_fcoe_port_cmd_params *portparams,
 			void (*cbfn)(struct csio_hw *, struct csio_mb *));

 void csio_mb_process_portparams_rsp(struct csio_hw *hw, struct csio_mb *mbp,
 				enum fw_retval *retval,
 				struct fw_fcoe_port_cmd_params *portparams,
 				struct fw_fcoe_port_stats *portstats);

 /* MB module functions */
 int csio_mbm_init(struct csio_mbm *, struct csio_hw *,
 			    void (*)(uintptr_t));
 void csio_mbm_exit(struct csio_mbm *);
 void csio_mb_intr_enable(struct csio_hw *);
 void csio_mb_intr_disable(struct csio_hw *);

 int csio_mb_issue(struct csio_hw *, struct csio_mb *);
 void csio_mb_completions(struct csio_hw *, struct list_head *);
 int csio_mb_fwevt_handler(struct csio_hw *, __be64 *);
 int csio_mb_isr_handler(struct csio_hw *);
 struct csio_mb *csio_mb_tmo_handler(struct csio_hw *);
 void csio_mb_cancel_all(struct csio_hw *, struct list_head *);

 #endif /* ifndef __CSIO_MB_H__ */
	/*
	* This file is part of the Chelsio FCoE driver for Linux.
	*
	* Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved.
	*
	* This software is available to you under a choice of one of two
	* licenses. You may choose to be licensed under the terms of the GNU
	* General Public License (GPL) Version 2, available from the file
	* COPYING in the main directory of this source tree, or the
	* OpenIB.org BSD license below:
	*
	* Redistribution and use in source and binary forms, with or
	* without modification, are permitted provided that the following
	* conditions are met:
	*
	* - Redistributions of source code must retain the above
	* copyright notice, this list of conditions and the following
	* disclaimer.
	*
	* - Redistributions in binary form must reproduce the above
	* copyright notice, this list of conditions and the following
	* disclaimer in the documentation and/or other materials
	* provided with the distribution.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	* SOFTWARE.
	*/

	#ifndef __CSIO_MB_H__
	#define __CSIO_MB_H__

	#include <linux/timer.h>
	#include <linux/completion.h>

	#include "t4fw_api.h"
	#include "t4fw_api_stor.h"
	#include "csio_defs.h"

	#define CSIO_STATS_OFFSET (2)
	#define CSIO_NUM_STATS_PER_MB (6)

	struct fw_fcoe_port_cmd_params {
	uint8_t portid;
	uint8_t idx;
	uint8_t nstats;
	};

	#define CSIO_DUMP_MB(__hw, __num, __mb) \
	csio_dbg(__hw, "\t%llx %llx %llx %llx %llx %llx %llx %llx\n", \
	(unsigned long long)csio_rd_reg64(__hw, __mb), \
	(unsigned long long)csio_rd_reg64(__hw, __mb + 8), \
	(unsigned long long)csio_rd_reg64(__hw, __mb + 16), \
	(unsigned long long)csio_rd_reg64(__hw, __mb + 24), \
	(unsigned long long)csio_rd_reg64(__hw, __mb + 32), \
	(unsigned long long)csio_rd_reg64(__hw, __mb + 40), \
	(unsigned long long)csio_rd_reg64(__hw, __mb + 48), \
	(unsigned long long)csio_rd_reg64(__hw, __mb + 56))

	#define CSIO_MB_MAX_REGS 8
	#define CSIO_MAX_MB_SIZE 64
	#define CSIO_MB_POLL_FREQ 5 /* 5 ms */
	#define CSIO_MB_DEFAULT_TMO FW_CMD_MAX_TIMEOUT

	/* Device master in HELLO command */
	enum csio_dev_master { CSIO_MASTER_CANT, CSIO_MASTER_MAY, CSIO_MASTER_MUST };

	enum csio_mb_owner { CSIO_MBOWNER_NONE, CSIO_MBOWNER_FW, CSIO_MBOWNER_PL };

	enum csio_dev_state {
	CSIO_DEV_STATE_UNINIT,
	CSIO_DEV_STATE_INIT,
	CSIO_DEV_STATE_ERR
	};

	#define FW_PARAM_DEV(param) \
	(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) \| \
	FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_##param))

	#define FW_PARAM_PFVF(param) \
	(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_PFVF) \| \
	FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_PFVF_##param)\| \
	FW_PARAMS_PARAM_Y_V(0) \| \
	FW_PARAMS_PARAM_Z_V(0))

	enum {
	PAUSE_RX = 1 << 0,
	PAUSE_TX = 1 << 1,
	PAUSE_AUTONEG = 1 << 2
	};

	#define CSIO_INIT_MBP(__mbp, __cp, __tmo, __priv, __fn, __clear) \
	do { \
	if (__clear) \
	memset((__cp), 0, \
	CSIO_MB_MAX_REGS * sizeof(__be64)); \
	INIT_LIST_HEAD(&(__mbp)->list); \
	(__mbp)->tmo = (__tmo); \
	(__mbp)->priv = (void *)(__priv); \
	(__mbp)->mb_cbfn = (__fn); \
	(__mbp)->mb_size = sizeof(*(__cp)); \
	} while (0)

	struct csio_mbm_stats {
	uint32_t n_req; /* number of mbox req */
	uint32_t n_rsp; /* number of mbox rsp */
	uint32_t n_activeq; /* number of mbox req active Q */
	uint32_t n_cbfnq; /* number of mbox req cbfn Q */
	uint32_t n_tmo; /* number of mbox timeout */
	uint32_t n_cancel; /* number of mbox cancel */
	uint32_t n_err; /* number of mbox error */
	};

	/* Driver version of Mailbox */
	struct csio_mb {
	struct list_head list; /* for req/resp */
	/* queue in driver */
	__be64 mb[CSIO_MB_MAX_REGS]; /* MB in HW format */
	int mb_size; /* Size of this
	* mailbox.
	*/
	uint32_t tmo; /* Timeout */
	struct completion cmplobj; /* MB Completion
	* object
	*/
	void (mb_cbfn) (struct csio_hw , struct csio_mb *);
	/* Callback fn */
	void priv; / Owner private ptr */
	};

	struct csio_mbm {
	uint32_t a_mbox; /* Async mbox num */
	uint32_t intr_idx; /* Interrupt index */
	struct timer_list timer; /* Mbox timer */
	struct list_head req_q; /* Mbox request queue */
	struct list_head cbfn_q; /* Mbox completion q */
	struct csio_mb mcurrent; / Current mailbox */
	uint32_t req_q_cnt; /* Outstanding mbox
	* cmds
	*/
	struct csio_mbm_stats stats; /* Statistics */
	};

	#define csio_set_mb_intr_idx(_m, _i) ((_m)->intr_idx = (_i))
	#define csio_get_mb_intr_idx(_m) ((_m)->intr_idx)

	struct csio_iq_params;
	struct csio_eq_params;

	enum fw_retval csio_mb_fw_retval(struct csio_mb *);

	/* MB helpers */
	void csio_mb_hello(struct csio_hw , struct csio_mb , uint32_t,
	uint32_t, uint32_t, enum csio_dev_master,
	void ()(struct csio_hw , struct csio_mb *));

	void csio_mb_process_hello_rsp(struct csio_hw , struct csio_mb ,
	enum fw_retval , enum csio_dev_state ,
	uint8_t *);

	void csio_mb_bye(struct csio_hw , struct csio_mb , uint32_t,
	void ()(struct csio_hw , struct csio_mb *));

	void csio_mb_reset(struct csio_hw , struct csio_mb , uint32_t, int, int,
	void ()(struct csio_hw , struct csio_mb *));

	void csio_mb_params(struct csio_hw , struct csio_mb , uint32_t, unsigned int,
	unsigned int, unsigned int, const u32 , u32 , bool,
	void ()(struct csio_hw , struct csio_mb *));

	void csio_mb_process_read_params_rsp(struct csio_hw , struct csio_mb ,
	enum fw_retval , unsigned int , u32 );

	void csio_mb_ldst(struct csio_hw hw, struct csio_mb mbp, uint32_t tmo,
	int reg);

	void csio_mb_caps_config(struct csio_hw , struct csio_mb , uint32_t,
	bool, bool, bool, bool,
	void ()(struct csio_hw , struct csio_mb *));

	void csio_mb_port(struct csio_hw , struct csio_mb , uint32_t,
	uint8_t, bool, uint32_t, uint16_t,
	void () (struct csio_hw , struct csio_mb *));

	void csio_mb_process_read_port_rsp(struct csio_hw , struct csio_mb ,
	enum fw_retval , uint16_t );

	void csio_mb_initialize(struct csio_hw , struct csio_mb , uint32_t,
	void ()(struct csio_hw , struct csio_mb *));

	void csio_mb_iq_alloc_write(struct csio_hw , struct csio_mb , void *,
	uint32_t, struct csio_iq_params *,
	void () (struct csio_hw , struct csio_mb *));

	void csio_mb_iq_alloc_write_rsp(struct csio_hw , struct csio_mb ,
	enum fw_retval , struct csio_iq_params );

	void csio_mb_iq_free(struct csio_hw , struct csio_mb , void *,
	uint32_t, struct csio_iq_params *,
	void () (struct csio_hw , struct csio_mb *));

	void csio_mb_eq_ofld_alloc_write(struct csio_hw , struct csio_mb , void *,
	uint32_t, struct csio_eq_params *,
	void () (struct csio_hw , struct csio_mb *));

	void csio_mb_eq_ofld_alloc_write_rsp(struct csio_hw , struct csio_mb ,
	enum fw_retval , struct csio_eq_params );

	void csio_mb_eq_ofld_free(struct csio_hw , struct csio_mb , void *,
	uint32_t , struct csio_eq_params *,
	void () (struct csio_hw , struct csio_mb *));

	void csio_fcoe_read_res_info_init_mb(struct csio_hw , struct csio_mb ,
	uint32_t,
	void () (struct csio_hw , struct csio_mb *));

	void csio_write_fcoe_link_cond_init_mb(struct csio_lnode , struct csio_mb ,
	uint32_t, uint8_t, uint32_t, uint8_t, bool, uint32_t,
	void () (struct csio_hw , struct csio_mb *));

	void csio_fcoe_vnp_alloc_init_mb(struct csio_lnode , struct csio_mb ,
	uint32_t, uint32_t , uint32_t , uint16_t,
	uint8_t [8], uint8_t [8],
	void () (struct csio_hw , struct csio_mb *));

	void csio_fcoe_vnp_read_init_mb(struct csio_lnode , struct csio_mb ,
	uint32_t, uint32_t , uint32_t ,
	void () (struct csio_hw , struct csio_mb *));

	void csio_fcoe_vnp_free_init_mb(struct csio_lnode , struct csio_mb ,
	uint32_t , uint32_t, uint32_t ,
	void () (struct csio_hw , struct csio_mb *));

	void csio_fcoe_read_fcf_init_mb(struct csio_lnode , struct csio_mb ,
	uint32_t, uint32_t, uint32_t,
	void (cbfn) (struct csio_hw , struct csio_mb *));

	void csio_fcoe_read_portparams_init_mb(struct csio_hw *hw,
	struct csio_mb *mbp, uint32_t mb_tmo,
	struct fw_fcoe_port_cmd_params *portparams,
	void (cbfn)(struct csio_hw , struct csio_mb *));

	void csio_mb_process_portparams_rsp(struct csio_hw hw, struct csio_mb mbp,
	enum fw_retval *retval,
	struct fw_fcoe_port_cmd_params *portparams,
	struct fw_fcoe_port_stats *portstats);

	/* MB module functions */
	int csio_mbm_init(struct csio_mbm , struct csio_hw ,
	void (*)(uintptr_t));
	void csio_mbm_exit(struct csio_mbm *);
	void csio_mb_intr_enable(struct csio_hw *);
	void csio_mb_intr_disable(struct csio_hw *);

	int csio_mb_issue(struct csio_hw , struct csio_mb );
	void csio_mb_completions(struct csio_hw , struct list_head );
	int csio_mb_fwevt_handler(struct csio_hw , __be64 );
	int csio_mb_isr_handler(struct csio_hw *);
	struct csio_mb csio_mb_tmo_handler(struct csio_hw );
	void csio_mb_cancel_all(struct csio_hw , struct list_head );

	#endif /* ifndef __CSIO_MB_H__ */