drivers/net/ethernet/brocade/bna/bfa_ioc.h - linux - Git at Google

 /*
  * Linux network driver for Brocade Converged Network 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.
  */
 /*
  * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
  * All rights reserved
  * www.brocade.com
  */

 #ifndef __BFA_IOC_H__
 #define __BFA_IOC_H__

 #include "bfa_cs.h"
 #include "bfi.h"
 #include "cna.h"

 #define BFA_IOC_TOV		3000	/* msecs */
 #define BFA_IOC_HWSEM_TOV	500	/* msecs */
 #define BFA_IOC_HB_TOV		500	/* msecs */
 #define BFA_IOC_POLL_TOV	200	/* msecs */
 #define BNA_DBG_FWTRC_LEN      (BFI_IOC_TRC_ENTS * BFI_IOC_TRC_ENT_SZ + \
 				BFI_IOC_TRC_HDR_SZ)

 /* PCI device information required by IOC */
 struct bfa_pcidev {
 	int	pci_slot;
 	u8	pci_func;
 	u16	device_id;
 	u16	ssid;
 	void	__iomem *pci_bar_kva;
 };

 /* Structure used to remember the DMA-able memory block's KVA and Physical
  * Address
  */
 struct bfa_dma {
 	void	*kva;	/* ! Kernel virtual address	*/
 	u64	pa;	/* ! Physical address		*/
 };

 #define BFA_DMA_ALIGN_SZ	256

 /* smem size for Crossbow and Catapult */
 #define BFI_SMEM_CB_SIZE	0x200000U	/* ! 2MB for crossbow	*/
 #define BFI_SMEM_CT_SIZE	0x280000U	/* ! 2.5MB for catapult	*/

 /* BFA dma address assignment macro. (big endian format) */
 #define bfa_dma_be_addr_set(dma_addr, pa)	\
 		__bfa_dma_be_addr_set(&dma_addr, (u64)pa)
 static inline void
 __bfa_dma_be_addr_set(union bfi_addr_u *dma_addr, u64 pa)
 {
 	dma_addr->a32.addr_lo = (u32) htonl(pa);
 	dma_addr->a32.addr_hi = (u32) htonl(upper_32_bits(pa));
 }

 #define bfa_alen_set(__alen, __len, __pa)	\
 	__bfa_alen_set(__alen, __len, (u64)__pa)

 static inline void
 __bfa_alen_set(struct bfi_alen *alen, u32 len, u64 pa)
 {
 	alen->al_len = cpu_to_be32(len);
 	bfa_dma_be_addr_set(alen->al_addr, pa);
 }

 struct bfa_ioc_regs {
 	void __iomem *hfn_mbox_cmd;
 	void __iomem *hfn_mbox;
 	void __iomem *lpu_mbox_cmd;
 	void __iomem *lpu_mbox;
 	void __iomem *lpu_read_stat;
 	void __iomem *pss_ctl_reg;
 	void __iomem *pss_err_status_reg;
 	void __iomem *app_pll_fast_ctl_reg;
 	void __iomem *app_pll_slow_ctl_reg;
 	void __iomem *ioc_sem_reg;
 	void __iomem *ioc_usage_sem_reg;
 	void __iomem *ioc_init_sem_reg;
 	void __iomem *ioc_usage_reg;
 	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;
 	u32	smem_pg0;
 };

 /* IOC Mailbox structures */
 typedef void (*bfa_mbox_cmd_cbfn_t)(void *cbarg);
 struct bfa_mbox_cmd {
 	struct list_head	qe;
 	bfa_mbox_cmd_cbfn_t     cbfn;
 	void		    *cbarg;
 	u32     msg[BFI_IOC_MSGSZ];
 };

 /* IOC mailbox module */
 typedef void (*bfa_ioc_mbox_mcfunc_t)(void *cbarg, struct bfi_mbmsg *m);
 struct bfa_ioc_mbox_mod {
 	struct list_head	cmd_q;		/*!< pending mbox queue	*/
 	int			nmclass;	/*!< number of handlers */
 	struct {
 		bfa_ioc_mbox_mcfunc_t	cbfn;	/*!< message handlers	*/
 		void			*cbarg;
 	} mbhdlr[BFI_MC_MAX];
 };

 /* IOC callback function interfaces */
 typedef void (*bfa_ioc_enable_cbfn_t)(void *bfa, enum bfa_status status);
 typedef void (*bfa_ioc_disable_cbfn_t)(void *bfa);
 typedef void (*bfa_ioc_hbfail_cbfn_t)(void *bfa);
 typedef void (*bfa_ioc_reset_cbfn_t)(void *bfa);
 struct bfa_ioc_cbfn {
 	bfa_ioc_enable_cbfn_t	enable_cbfn;
 	bfa_ioc_disable_cbfn_t	disable_cbfn;
 	bfa_ioc_hbfail_cbfn_t	hbfail_cbfn;
 	bfa_ioc_reset_cbfn_t	reset_cbfn;
 };

 /* IOC event notification mechanism. */
 enum bfa_ioc_event {
 	BFA_IOC_E_ENABLED	= 1,
 	BFA_IOC_E_DISABLED	= 2,
 	BFA_IOC_E_FAILED	= 3,
 };

 typedef void (*bfa_ioc_notify_cbfn_t)(void *, enum bfa_ioc_event);

 struct bfa_ioc_notify {
 	struct list_head	qe;
 	bfa_ioc_notify_cbfn_t	cbfn;
 	void			*cbarg;
 };

 /* Initialize a IOC event notification structure */
 #define bfa_ioc_notify_init(__notify, __cbfn, __cbarg) do {	\
 	(__notify)->cbfn = (__cbfn);				\
 	(__notify)->cbarg = (__cbarg);				\
 } while (0)

 struct bfa_iocpf {
 	bfa_fsm_t		fsm;
 	struct bfa_ioc		*ioc;
 	bool			fw_mismatch_notified;
 	bool			auto_recover;
 	u32			poll_time;
 };

 struct bfa_ioc {
 	bfa_fsm_t		fsm;
 	struct bfa		*bfa;
 	struct bfa_pcidev	pcidev;
 	struct timer_list	ioc_timer;
 	struct timer_list	iocpf_timer;
 	struct timer_list	sem_timer;
 	struct timer_list	hb_timer;
 	u32			hb_count;
 	struct list_head	notify_q;
 	void			*dbg_fwsave;
 	int			dbg_fwsave_len;
 	bool			dbg_fwsave_once;
 	enum bfi_pcifn_class	clscode;
 	struct bfa_ioc_regs	ioc_regs;
 	struct bfa_ioc_drv_stats stats;
 	bool			fcmode;
 	bool			pllinit;
 	bool			stats_busy;	/*!< outstanding stats */
 	u8			port_id;

 	struct bfa_dma		attr_dma;
 	struct bfi_ioc_attr	*attr;
 	struct bfa_ioc_cbfn	*cbfn;
 	struct bfa_ioc_mbox_mod	mbox_mod;
 	const struct bfa_ioc_hwif *ioc_hwif;
 	struct bfa_iocpf	iocpf;
 	enum bfi_asic_gen	asic_gen;
 	enum bfi_asic_mode	asic_mode;
 	enum bfi_port_mode	port0_mode;
 	enum bfi_port_mode	port1_mode;
 	enum bfa_mode		port_mode;
 	u8			ad_cap_bm;	/*!< adapter cap bit mask */
 	u8			port_mode_cfg;	/*!< config port mode */
 };

 struct bfa_ioc_hwif {
 	enum bfa_status (*ioc_pll_init) (void __iomem *rb,
 						enum bfi_asic_mode m);
 	bool		(*ioc_firmware_lock)	(struct bfa_ioc *ioc);
 	void		(*ioc_firmware_unlock)	(struct bfa_ioc *ioc);
 	void		(*ioc_reg_init)	(struct bfa_ioc *ioc);
 	void		(*ioc_map_port)	(struct bfa_ioc *ioc);
 	void		(*ioc_isr_mode_set)	(struct bfa_ioc *ioc,
 					bool msix);
 	void		(*ioc_notify_fail)	(struct bfa_ioc *ioc);
 	void		(*ioc_ownership_reset)	(struct bfa_ioc *ioc);
 	bool		(*ioc_sync_start)       (struct bfa_ioc *ioc);
 	void		(*ioc_sync_join)	(struct bfa_ioc *ioc);
 	void		(*ioc_sync_leave)	(struct bfa_ioc *ioc);
 	void		(*ioc_sync_ack)		(struct bfa_ioc *ioc);
 	bool		(*ioc_sync_complete)	(struct bfa_ioc *ioc);
 	bool		(*ioc_lpu_read_stat)	(struct bfa_ioc *ioc);
 };

 #define bfa_ioc_pcifn(__ioc)		((__ioc)->pcidev.pci_func)
 #define bfa_ioc_devid(__ioc)		((__ioc)->pcidev.device_id)
 #define bfa_ioc_bar0(__ioc)		((__ioc)->pcidev.pci_bar_kva)
 #define bfa_ioc_portid(__ioc)		((__ioc)->port_id)
 #define bfa_ioc_asic_gen(__ioc)		((__ioc)->asic_gen)
 #define bfa_ioc_is_default(__ioc)	\
 	(bfa_ioc_pcifn(__ioc) == bfa_ioc_portid(__ioc))
 #define bfa_ioc_fetch_stats(__ioc, __stats) \
 		(((__stats)->drv_stats) = (__ioc)->stats)
 #define bfa_ioc_clr_stats(__ioc)	\
 		memset(&(__ioc)->stats, 0, sizeof((__ioc)->stats))
 #define bfa_ioc_maxfrsize(__ioc)	((__ioc)->attr->maxfrsize)
 #define bfa_ioc_rx_bbcredit(__ioc)	((__ioc)->attr->rx_bbcredit)
 #define bfa_ioc_speed_sup(__ioc)	\
 	BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop)
 #define bfa_ioc_get_nports(__ioc)	\
 	BFI_ADAPTER_GETP(NPORTS, (__ioc)->attr->adapter_prop)

 #define bfa_ioc_stats(_ioc, _stats)	((_ioc)->stats._stats++)
 #define bfa_ioc_stats_hb_count(_ioc, _hb_count)	\
 	((_ioc)->stats.hb_count = (_hb_count))
 #define BFA_IOC_FWIMG_MINSZ	(16 * 1024)
 #define BFA_IOC_FW_SMEM_SIZE(__ioc)					\
 	((bfa_ioc_asic_gen(__ioc) == BFI_ASIC_GEN_CB)			\
 	? BFI_SMEM_CB_SIZE : BFI_SMEM_CT_SIZE)
 #define BFA_IOC_FLASH_CHUNK_NO(off)		(off / BFI_FLASH_CHUNK_SZ_WORDS)
 #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)

 /* IOC mailbox interface */
 bool bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc,
 			struct bfa_mbox_cmd *cmd,
 			bfa_mbox_cmd_cbfn_t cbfn, void *cbarg);
 void bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc);
 void bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc,
 		bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg);

 /* IOC interfaces */

 #define bfa_ioc_pll_init_asic(__ioc) \
 	((__ioc)->ioc_hwif->ioc_pll_init((__ioc)->pcidev.pci_bar_kva, \
 			   (__ioc)->asic_mode))

 #define	bfa_ioc_isr_mode_set(__ioc, __msix) do {			\
 	if ((__ioc)->ioc_hwif->ioc_isr_mode_set)			\
 		((__ioc)->ioc_hwif->ioc_isr_mode_set(__ioc, __msix));	\
 } while (0)
 #define	bfa_ioc_ownership_reset(__ioc)				\
 			((__ioc)->ioc_hwif->ioc_ownership_reset(__ioc))

 #define bfa_ioc_lpu_read_stat(__ioc) do {				\
 		if ((__ioc)->ioc_hwif->ioc_lpu_read_stat)		\
 			((__ioc)->ioc_hwif->ioc_lpu_read_stat(__ioc));	\
 } while (0)

 void bfa_nw_ioc_set_ct_hwif(struct bfa_ioc *ioc);
 void bfa_nw_ioc_set_ct2_hwif(struct bfa_ioc *ioc);
 void bfa_nw_ioc_ct2_poweron(struct bfa_ioc *ioc);

 void bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa,
 		struct bfa_ioc_cbfn *cbfn);
 void bfa_nw_ioc_auto_recover(bool auto_recover);
 void bfa_nw_ioc_detach(struct bfa_ioc *ioc);
 void bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev,
 		enum bfi_pcifn_class clscode);
 u32 bfa_nw_ioc_meminfo(void);
 void bfa_nw_ioc_mem_claim(struct bfa_ioc *ioc,  u8 *dm_kva, u64 dm_pa);
 void bfa_nw_ioc_enable(struct bfa_ioc *ioc);
 void bfa_nw_ioc_disable(struct bfa_ioc *ioc);

 void bfa_nw_ioc_error_isr(struct bfa_ioc *ioc);
 bool bfa_nw_ioc_is_disabled(struct bfa_ioc *ioc);
 bool bfa_nw_ioc_is_operational(struct bfa_ioc *ioc);
 void bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr);
 void bfa_nw_ioc_notify_register(struct bfa_ioc *ioc,
 	struct bfa_ioc_notify *notify);
 bool bfa_nw_ioc_sem_get(void __iomem *sem_reg);
 void bfa_nw_ioc_sem_release(void __iomem *sem_reg);
 void bfa_nw_ioc_hw_sem_release(struct bfa_ioc *ioc);
 void bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc,
 			struct bfi_ioc_image_hdr *fwhdr);
 bool bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc,
 			struct bfi_ioc_image_hdr *fwhdr);
 mac_t bfa_nw_ioc_get_mac(struct bfa_ioc *ioc);
 void bfa_nw_ioc_debug_memclaim(struct bfa_ioc *ioc, void *dbg_fwsave);
 int bfa_nw_ioc_debug_fwtrc(struct bfa_ioc *ioc, void *trcdata, int *trclen);
 int bfa_nw_ioc_debug_fwsave(struct bfa_ioc *ioc, void *trcdata, int *trclen);

 /*
  * Timeout APIs
  */
 void bfa_nw_ioc_timeout(void *ioc);
 void bfa_nw_ioc_hb_check(void *ioc);
 void bfa_nw_iocpf_timeout(void *ioc);
 void bfa_nw_iocpf_sem_timeout(void *ioc);

 /*
  * F/W Image Size & Chunk
  */
 u32 *bfa_cb_image_get_chunk(enum bfi_asic_gen asic_gen, u32 off);
 u32 bfa_cb_image_get_size(enum bfi_asic_gen asic_gen);

 /*
  *	Flash module specific
  */
 typedef void	(*bfa_cb_flash) (void *cbarg, enum bfa_status status);

 struct bfa_flash {
 	struct bfa_ioc *ioc;		/* back pointer to ioc */
 	u32		type;		/* partition type */
 	u8		instance;	/* partition instance */
 	u8		rsv[3];
 	u32		op_busy;	/*  operation busy flag */
 	u32		residue;	/*  residual length */
 	u32		offset;		/*  offset */
 	enum bfa_status	status;		/*  status */
 	u8		*dbuf_kva;	/*  dma buf virtual address */
 	u64		dbuf_pa;	/*  dma buf physical address */
 	bfa_cb_flash	cbfn;		/*  user callback function */
 	void		*cbarg;		/*  user callback arg */
 	u8		*ubuf;		/*  user supplied buffer */
 	u32		addr_off;	/*  partition address offset */
 	struct bfa_mbox_cmd mb;		/*  mailbox */
 	struct bfa_ioc_notify ioc_notify; /*  ioc event notify */
 };

 enum bfa_status bfa_nw_flash_get_attr(struct bfa_flash *flash,
 			struct bfa_flash_attr *attr,
 			bfa_cb_flash cbfn, void *cbarg);
 enum bfa_status bfa_nw_flash_update_part(struct bfa_flash *flash,
 			u32 type, u8 instance, void *buf, u32 len, u32 offset,
 			bfa_cb_flash cbfn, void *cbarg);
 enum bfa_status bfa_nw_flash_read_part(struct bfa_flash *flash,
 			u32 type, u8 instance, void *buf, u32 len, u32 offset,
 			bfa_cb_flash cbfn, void *cbarg);
 u32	bfa_nw_flash_meminfo(void);
 void	bfa_nw_flash_attach(struct bfa_flash *flash,
 			    struct bfa_ioc *ioc, void *dev);
 void	bfa_nw_flash_memclaim(struct bfa_flash *flash, u8 *dm_kva, u64 dm_pa);

 #endif /* __BFA_IOC_H__ */
	/*
	* Linux network driver for Brocade Converged Network 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.
	*/
	/*
	* Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
	* All rights reserved
	* www.brocade.com
	*/

	#ifndef __BFA_IOC_H__
	#define __BFA_IOC_H__

	#include "bfa_cs.h"
	#include "bfi.h"
	#include "cna.h"

	#define BFA_IOC_TOV 3000 /* msecs */
	#define BFA_IOC_HWSEM_TOV 500 /* msecs */
	#define BFA_IOC_HB_TOV 500 /* msecs */
	#define BFA_IOC_POLL_TOV 200 /* msecs */
	#define BNA_DBG_FWTRC_LEN (BFI_IOC_TRC_ENTS * BFI_IOC_TRC_ENT_SZ + \
	BFI_IOC_TRC_HDR_SZ)

	/* PCI device information required by IOC */
	struct bfa_pcidev {
	int pci_slot;
	u8 pci_func;
	u16 device_id;
	u16 ssid;
	void __iomem *pci_bar_kva;
	};

	/* Structure used to remember the DMA-able memory block's KVA and Physical
	* Address
	*/
	struct bfa_dma {
	void kva; / ! Kernel virtual address */
	u64 pa; /* ! Physical address */
	};

	#define BFA_DMA_ALIGN_SZ 256

	/* smem size for Crossbow and Catapult */
	#define BFI_SMEM_CB_SIZE 0x200000U /* ! 2MB for crossbow */
	#define BFI_SMEM_CT_SIZE 0x280000U /* ! 2.5MB for catapult */

	/* BFA dma address assignment macro. (big endian format) */
	#define bfa_dma_be_addr_set(dma_addr, pa) \
	__bfa_dma_be_addr_set(&dma_addr, (u64)pa)
	static inline void
	__bfa_dma_be_addr_set(union bfi_addr_u *dma_addr, u64 pa)
	{
	dma_addr->a32.addr_lo = (u32) htonl(pa);
	dma_addr->a32.addr_hi = (u32) htonl(upper_32_bits(pa));
	}

	#define bfa_alen_set(__alen, __len, __pa) \
	__bfa_alen_set(__alen, __len, (u64)__pa)

	static inline void
	__bfa_alen_set(struct bfi_alen *alen, u32 len, u64 pa)
	{
	alen->al_len = cpu_to_be32(len);
	bfa_dma_be_addr_set(alen->al_addr, pa);
	}

	struct bfa_ioc_regs {
	void __iomem *hfn_mbox_cmd;
	void __iomem *hfn_mbox;
	void __iomem *lpu_mbox_cmd;
	void __iomem *lpu_mbox;
	void __iomem *lpu_read_stat;
	void __iomem *pss_ctl_reg;
	void __iomem *pss_err_status_reg;
	void __iomem *app_pll_fast_ctl_reg;
	void __iomem *app_pll_slow_ctl_reg;
	void __iomem *ioc_sem_reg;
	void __iomem *ioc_usage_sem_reg;
	void __iomem *ioc_init_sem_reg;
	void __iomem *ioc_usage_reg;
	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;
	u32 smem_pg0;
	};

	/* IOC Mailbox structures */
	typedef void (bfa_mbox_cmd_cbfn_t)(void cbarg);
	struct bfa_mbox_cmd {
	struct list_head qe;
	bfa_mbox_cmd_cbfn_t cbfn;
	void *cbarg;
	u32 msg[BFI_IOC_MSGSZ];
	};

	/* IOC mailbox module */
	typedef void (bfa_ioc_mbox_mcfunc_t)(void cbarg, struct bfi_mbmsg *m);
	struct bfa_ioc_mbox_mod {
	struct list_head cmd_q; /!< pending mbox queue /
	int nmclass; /!< number of handlers /
	struct {
	bfa_ioc_mbox_mcfunc_t cbfn; /!< message handlers /
	void *cbarg;
	} mbhdlr[BFI_MC_MAX];
	};

	/* IOC callback function interfaces */
	typedef void (bfa_ioc_enable_cbfn_t)(void bfa, enum bfa_status status);
	typedef void (bfa_ioc_disable_cbfn_t)(void bfa);
	typedef void (bfa_ioc_hbfail_cbfn_t)(void bfa);
	typedef void (bfa_ioc_reset_cbfn_t)(void bfa);
	struct bfa_ioc_cbfn {
	bfa_ioc_enable_cbfn_t enable_cbfn;
	bfa_ioc_disable_cbfn_t disable_cbfn;
	bfa_ioc_hbfail_cbfn_t hbfail_cbfn;
	bfa_ioc_reset_cbfn_t reset_cbfn;
	};

	/* IOC event notification mechanism. */
	enum bfa_ioc_event {
	BFA_IOC_E_ENABLED = 1,
	BFA_IOC_E_DISABLED = 2,
	BFA_IOC_E_FAILED = 3,
	};

	typedef void (bfa_ioc_notify_cbfn_t)(void , enum bfa_ioc_event);

	struct bfa_ioc_notify {
	struct list_head qe;
	bfa_ioc_notify_cbfn_t cbfn;
	void *cbarg;
	};

	/* Initialize a IOC event notification structure */
	#define bfa_ioc_notify_init(__notify, __cbfn, __cbarg) do { \
	(__notify)->cbfn = (__cbfn); \
	(__notify)->cbarg = (__cbarg); \
	} while (0)

	struct bfa_iocpf {
	bfa_fsm_t fsm;
	struct bfa_ioc *ioc;
	bool fw_mismatch_notified;
	bool auto_recover;
	u32 poll_time;
	};

	struct bfa_ioc {
	bfa_fsm_t fsm;
	struct bfa *bfa;
	struct bfa_pcidev pcidev;
	struct timer_list ioc_timer;
	struct timer_list iocpf_timer;
	struct timer_list sem_timer;
	struct timer_list hb_timer;
	u32 hb_count;
	struct list_head notify_q;
	void *dbg_fwsave;
	int dbg_fwsave_len;
	bool dbg_fwsave_once;
	enum bfi_pcifn_class clscode;
	struct bfa_ioc_regs ioc_regs;
	struct bfa_ioc_drv_stats stats;
	bool fcmode;
	bool pllinit;
	bool stats_busy; /!< outstanding stats /
	u8 port_id;

	struct bfa_dma attr_dma;
	struct bfi_ioc_attr *attr;
	struct bfa_ioc_cbfn *cbfn;
	struct bfa_ioc_mbox_mod mbox_mod;
	const struct bfa_ioc_hwif *ioc_hwif;
	struct bfa_iocpf iocpf;
	enum bfi_asic_gen asic_gen;
	enum bfi_asic_mode asic_mode;
	enum bfi_port_mode port0_mode;
	enum bfi_port_mode port1_mode;
	enum bfa_mode port_mode;
	u8 ad_cap_bm; /!< adapter cap bit mask /
	u8 port_mode_cfg; /!< config port mode /
	};

	struct bfa_ioc_hwif {
	enum bfa_status (ioc_pll_init) (void __iomem rb,
	enum bfi_asic_mode m);
	bool (ioc_firmware_lock) (struct bfa_ioc ioc);
	void (ioc_firmware_unlock) (struct bfa_ioc ioc);
	void (ioc_reg_init) (struct bfa_ioc ioc);
	void (ioc_map_port) (struct bfa_ioc ioc);
	void (ioc_isr_mode_set) (struct bfa_ioc ioc,
	bool msix);
	void (ioc_notify_fail) (struct bfa_ioc ioc);
	void (ioc_ownership_reset) (struct bfa_ioc ioc);
	bool (ioc_sync_start) (struct bfa_ioc ioc);
	void (ioc_sync_join) (struct bfa_ioc ioc);
	void (ioc_sync_leave) (struct bfa_ioc ioc);
	void (ioc_sync_ack) (struct bfa_ioc ioc);
	bool (ioc_sync_complete) (struct bfa_ioc ioc);
	bool (ioc_lpu_read_stat) (struct bfa_ioc ioc);
	};

	#define bfa_ioc_pcifn(__ioc) ((__ioc)->pcidev.pci_func)
	#define bfa_ioc_devid(__ioc) ((__ioc)->pcidev.device_id)
	#define bfa_ioc_bar0(__ioc) ((__ioc)->pcidev.pci_bar_kva)
	#define bfa_ioc_portid(__ioc) ((__ioc)->port_id)
	#define bfa_ioc_asic_gen(__ioc) ((__ioc)->asic_gen)
	#define bfa_ioc_is_default(__ioc) \
	(bfa_ioc_pcifn(__ioc) == bfa_ioc_portid(__ioc))
	#define bfa_ioc_fetch_stats(__ioc, __stats) \
	(((__stats)->drv_stats) = (__ioc)->stats)
	#define bfa_ioc_clr_stats(__ioc) \
	memset(&(__ioc)->stats, 0, sizeof((__ioc)->stats))
	#define bfa_ioc_maxfrsize(__ioc) ((__ioc)->attr->maxfrsize)
	#define bfa_ioc_rx_bbcredit(__ioc) ((__ioc)->attr->rx_bbcredit)
	#define bfa_ioc_speed_sup(__ioc) \
	BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop)
	#define bfa_ioc_get_nports(__ioc) \
	BFI_ADAPTER_GETP(NPORTS, (__ioc)->attr->adapter_prop)

	#define bfa_ioc_stats(_ioc, _stats) ((_ioc)->stats._stats++)
	#define bfa_ioc_stats_hb_count(_ioc, _hb_count) \
	((_ioc)->stats.hb_count = (_hb_count))
	#define BFA_IOC_FWIMG_MINSZ (16 * 1024)
	#define BFA_IOC_FW_SMEM_SIZE(__ioc) \
	((bfa_ioc_asic_gen(__ioc) == BFI_ASIC_GEN_CB) \
	? BFI_SMEM_CB_SIZE : BFI_SMEM_CT_SIZE)
	#define BFA_IOC_FLASH_CHUNK_NO(off) (off / BFI_FLASH_CHUNK_SZ_WORDS)
	#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)

	/* IOC mailbox interface */
	bool bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc,
	struct bfa_mbox_cmd *cmd,
	bfa_mbox_cmd_cbfn_t cbfn, void *cbarg);
	void bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc);
	void bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc,
	bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg);

	/* IOC interfaces */

	#define bfa_ioc_pll_init_asic(__ioc) \
	((__ioc)->ioc_hwif->ioc_pll_init((__ioc)->pcidev.pci_bar_kva, \
	(__ioc)->asic_mode))

	#define bfa_ioc_isr_mode_set(__ioc, __msix) do { \
	if ((__ioc)->ioc_hwif->ioc_isr_mode_set) \
	((__ioc)->ioc_hwif->ioc_isr_mode_set(__ioc, __msix)); \
	} while (0)
	#define bfa_ioc_ownership_reset(__ioc) \
	((__ioc)->ioc_hwif->ioc_ownership_reset(__ioc))

	#define bfa_ioc_lpu_read_stat(__ioc) do { \
	if ((__ioc)->ioc_hwif->ioc_lpu_read_stat) \
	((__ioc)->ioc_hwif->ioc_lpu_read_stat(__ioc)); \
	} while (0)

	void bfa_nw_ioc_set_ct_hwif(struct bfa_ioc *ioc);
	void bfa_nw_ioc_set_ct2_hwif(struct bfa_ioc *ioc);
	void bfa_nw_ioc_ct2_poweron(struct bfa_ioc *ioc);

	void bfa_nw_ioc_attach(struct bfa_ioc ioc, void bfa,
	struct bfa_ioc_cbfn *cbfn);
	void bfa_nw_ioc_auto_recover(bool auto_recover);
	void bfa_nw_ioc_detach(struct bfa_ioc *ioc);
	void bfa_nw_ioc_pci_init(struct bfa_ioc ioc, struct bfa_pcidev pcidev,
	enum bfi_pcifn_class clscode);
	u32 bfa_nw_ioc_meminfo(void);
	void bfa_nw_ioc_mem_claim(struct bfa_ioc ioc, u8 dm_kva, u64 dm_pa);
	void bfa_nw_ioc_enable(struct bfa_ioc *ioc);
	void bfa_nw_ioc_disable(struct bfa_ioc *ioc);

	void bfa_nw_ioc_error_isr(struct bfa_ioc *ioc);
	bool bfa_nw_ioc_is_disabled(struct bfa_ioc *ioc);
	bool bfa_nw_ioc_is_operational(struct bfa_ioc *ioc);
	void bfa_nw_ioc_get_attr(struct bfa_ioc ioc, struct bfa_ioc_attr ioc_attr);
	void bfa_nw_ioc_notify_register(struct bfa_ioc *ioc,
	struct bfa_ioc_notify *notify);
	bool bfa_nw_ioc_sem_get(void __iomem *sem_reg);
	void bfa_nw_ioc_sem_release(void __iomem *sem_reg);
	void bfa_nw_ioc_hw_sem_release(struct bfa_ioc *ioc);
	void bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc,
	struct bfi_ioc_image_hdr *fwhdr);
	bool bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc,
	struct bfi_ioc_image_hdr *fwhdr);
	mac_t bfa_nw_ioc_get_mac(struct bfa_ioc *ioc);
	void bfa_nw_ioc_debug_memclaim(struct bfa_ioc ioc, void dbg_fwsave);
	int bfa_nw_ioc_debug_fwtrc(struct bfa_ioc ioc, void trcdata, int *trclen);
	int bfa_nw_ioc_debug_fwsave(struct bfa_ioc ioc, void trcdata, int *trclen);

	/*
	* Timeout APIs
	*/
	void bfa_nw_ioc_timeout(void *ioc);
	void bfa_nw_ioc_hb_check(void *ioc);
	void bfa_nw_iocpf_timeout(void *ioc);
	void bfa_nw_iocpf_sem_timeout(void *ioc);

	/*
	* F/W Image Size & Chunk
	*/
	u32 *bfa_cb_image_get_chunk(enum bfi_asic_gen asic_gen, u32 off);
	u32 bfa_cb_image_get_size(enum bfi_asic_gen asic_gen);

	/*
	* Flash module specific
	*/
	typedef void (bfa_cb_flash) (void cbarg, enum bfa_status status);

	struct bfa_flash {
	struct bfa_ioc ioc; / back pointer to ioc */
	u32 type; /* partition type */
	u8 instance; /* partition instance */
	u8 rsv[3];
	u32 op_busy; /* operation busy flag */
	u32 residue; /* residual length */
	u32 offset; /* offset */
	enum bfa_status status; /* status */
	u8 dbuf_kva; / dma buf virtual address */
	u64 dbuf_pa; /* dma buf physical address */
	bfa_cb_flash cbfn; /* user callback function */
	void cbarg; / user callback arg */
	u8 ubuf; / user supplied buffer */
	u32 addr_off; /* partition address offset */
	struct bfa_mbox_cmd mb; /* mailbox */
	struct bfa_ioc_notify ioc_notify; /* ioc event notify */
	};

	enum bfa_status bfa_nw_flash_get_attr(struct bfa_flash *flash,
	struct bfa_flash_attr *attr,
	bfa_cb_flash cbfn, void *cbarg);
	enum bfa_status bfa_nw_flash_update_part(struct bfa_flash *flash,
	u32 type, u8 instance, void *buf, u32 len, u32 offset,
	bfa_cb_flash cbfn, void *cbarg);
	enum bfa_status bfa_nw_flash_read_part(struct bfa_flash *flash,
	u32 type, u8 instance, void *buf, u32 len, u32 offset,
	bfa_cb_flash cbfn, void *cbarg);
	u32 bfa_nw_flash_meminfo(void);
	void bfa_nw_flash_attach(struct bfa_flash *flash,
	struct bfa_ioc ioc, void dev);
	void bfa_nw_flash_memclaim(struct bfa_flash flash, u8 dm_kva, u64 dm_pa);

	#endif /* __BFA_IOC_H__ */