mptbase.h

优龙2410linux2.6.8内核源代码

//#if defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
#if defined(MPT_DEBUG_MSG_FRAME)
#define dmfprintk(x)  printk x
#else
#define dmfprintk(x)
#endif

#ifdef MPT_DEBUG_IRQ
#define dirqprintk(x)  printk x
#else
#define dirqprintk(x)
#endif

#ifdef MPT_DEBUG_SG
#define dsgprintk(x)  printk x
#else
#define dsgprintk(x)
#endif

#if defined(MPT_DEBUG_DL) || defined(MPT_DEBUG)
#define ddlprintk(x)  printk x
#else
#define ddlprintk(x)
#endif


#ifdef MPT_DEBUG_DV
#define ddvprintk(x)  printk x
#else
#define ddvprintk(x)
#endif

#if defined(MPT_DEBUG_DV) || defined(MPT_DEBUG_DV_TINY)
#define ddvtprintk(x)  printk x
#else
#define ddvtprintk(x)
#endif

#ifdef MPT_DEBUG_IOCTL
#define dctlprintk(x) printk x
#else
#define dctlprintk(x)
#endif

#ifdef MPT_DEBUG_RESET
#define dtmprintk(x) printk x
#else
#define dtmprintk(x)
#endif

#ifdef MPT_DEBUG_NEH
#define nehprintk(x) printk x
#else
#define nehprintk(x)
#endif

#if defined(MPT_DEBUG_CONFIG) || defined(MPT_DEBUG)
#define dcprintk(x) printk x
#else
#define dcprintk(x)
#endif

#if defined(MPT_DEBUG_SCSI) || defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
#define dsprintk(x) printk x
#else
#define dsprintk(x)
#endif


#define MPT_INDEX_2_MFPTR(ioc,idx) \
	(MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )

#define MFPTR_2_MPT_INDEX(ioc,mf) \
	(int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )

#define MPT_INDEX_2_RFPTR(ioc,idx) \
	(MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )

#define Q_INIT(q,type)  (q)->head = (q)->tail = (type*)(q)
#define Q_IS_EMPTY(q)   ((Q_ITEM*)(q)->head == (Q_ITEM*)(q))

#define Q_ADD_TAIL(qt,i,type) { \
	Q_TRACKER	*_qt = (Q_TRACKER*)(qt); \
	Q_ITEM		*oldTail = _qt->tail; \
	(i)->forw = (type*)_qt; \
	(i)->back = (type*)oldTail; \
	oldTail->forw = (Q_ITEM*)(i); \
	_qt->tail = (Q_ITEM*)(i); \
}

#define Q_ADD_HEAD(qt,i,type) { \
	Q_TRACKER	*_qt = (Q_TRACKER*)(qt); \
	Q_ITEM		*oldHead = _qt->head; \
	(i)->forw = (type*)oldHead; \
	(i)->back = (type*)_qt; \
	oldHead->back = (Q_ITEM*)(i); \
	_qt->head = (Q_ITEM*)(i); \
}

#define Q_DEL_ITEM(i) { \
	Q_ITEM  *_forw = (Q_ITEM*)(i)->forw; \
	Q_ITEM  *_back = (Q_ITEM*)(i)->back; \
	_back->forw = _forw; \
	_forw->back = _back; \
}

#define SWAB4(value) \
	(u32)(   (((value) & 0x000000ff) << 24) \
	       | (((value) & 0x0000ff00) << 8)  \
	       | (((value) & 0x00ff0000) >> 8)  \
	       | (((value) & 0xff000000) >> 24) )


#if defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
#define DBG_DUMP_REPLY_FRAME(mfp) \
	{	u32 *m = (u32 *)(mfp);					\
		int  i, n = (le32_to_cpu(m[0]) & 0x00FF0000) >> 16;	\
		printk(KERN_INFO " ");					\
		for (i=0; i<n; i++)					\
			printk(" %08x", le32_to_cpu(m[i]));		\
		printk("\n");						\
	}
#define DBG_DUMP_REQUEST_FRAME_HDR(mfp) \
	{	int  i, n = 3;						\
		u32 *m = (u32 *)(mfp);					\
		printk(KERN_INFO " ");					\
		for (i=0; i<n; i++)					\
			printk(" %08x", le32_to_cpu(m[i]));		\
		printk("\n");						\
	}
#else
#define DBG_DUMP_REPLY_FRAME(mfp)
#define DBG_DUMP_REQUEST_FRAME_HDR(mfp)
#endif


/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

/*
 * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
 * Private to the driver.
 */
/* LOCAL structure and fields used when processing
 * internally generated commands. These include:
 * bus scan, dv and config requests.
 */
typedef struct _MPT_LOCAL_REPLY {
	ConfigPageHeader_t header;
	int	completion;
	u8	sense[SCSI_STD_SENSE_BYTES];
	u8	scsiStatus;
	u8	skip;
	u32	pad;
} MPT_LOCAL_REPLY;

#define MPT_HOST_BUS_UNKNOWN		(0xFF)
#define MPT_HOST_TOO_MANY_TM		(0x05)
#define MPT_HOST_NVRAM_INVALID		(0xFFFFFFFF)
#define MPT_HOST_NO_CHAIN		(0xFFFFFFFF)
#define MPT_NVRAM_MASK_TIMEOUT		(0x000000FF)
#define MPT_NVRAM_SYNC_MASK		(0x0000FF00)
#define MPT_NVRAM_SYNC_SHIFT		(8)
#define MPT_NVRAM_DISCONNECT_ENABLE	(0x00010000)
#define MPT_NVRAM_ID_SCAN_ENABLE	(0x00020000)
#define MPT_NVRAM_LUN_SCAN_ENABLE	(0x00040000)
#define MPT_NVRAM_TAG_QUEUE_ENABLE	(0x00080000)
#define MPT_NVRAM_WIDE_DISABLE		(0x00100000)
#define MPT_NVRAM_BOOT_CHOICE		(0x00200000)

/* The TM_STATE variable is used to provide strict single threading of TM
 * requests as well as communicate TM error conditions.
 */
#define TM_STATE_NONE          (0)
#define	TM_STATE_IN_PROGRESS   (1)
#define	TM_STATE_ERROR	       (2)

typedef struct _MPT_SCSI_HOST {
	MPT_ADAPTER		 *ioc;
	int			  port;
	u32			  pad0;
	struct scsi_cmnd	**ScsiLookup;
		/* Pool of buffers for chaining. ReqToChain
		 * and ChainToChain track index of chain buffers.
		 * ChainBuffer (DMA) virt/phys addresses.
		 * FreeChainQ (lock) locking mechanisms.
		 */
	int			 *ReqToChain;
	int			 *ChainToChain;
	u8			 *ChainBuffer;
	dma_addr_t		  ChainBufferDMA;
	MPT_Q_TRACKER		  FreeChainQ;
	spinlock_t		  FreeChainQlock;
	u32			  qtag_tick;
	VirtDevice		**Targets;
	MPT_LOCAL_REPLY		 *pLocal;		/* used for internal commands */
	struct timer_list	  timer;
	struct timer_list	  TMtimer;		/* Timer for TM commands ONLY */
		/* Pool of memory for holding SCpnts before doing
		 * OS callbacks. freeQ is the free pool.
		 */
	u8			 *memQ;
	DONE_Q_TRACKER		  freeQ;
	DONE_Q_TRACKER		  doneQ;		/* Holds Linux formmatted requests */
	DONE_Q_TRACKER		  pendingQ;		/* Holds MPI formmatted requests */
	MPT_Q_TRACKER		  taskQ;		/* TM request Q */
	spinlock_t		  freedoneQlock;
	int			  taskQcnt;
	int			  num_chain;		/* Number of chain buffers */
	int			  max_sge;		/* Max No of SGE*/
	u8			  numTMrequests;
	u8			  tmPending;
	u8			  resetPending;
	u8			  is_spi;		/* Parallel SCSI i/f */
	u8			  negoNvram;		/* DV disabled, nego NVRAM */
	u8			  is_multipath;		/* Multi-path compatible */
	u8                        tmState;
	u8			  rsvd[1];
	MPT_FRAME_HDR		 *tmPtr;		/* Ptr to TM request*/
	MPT_FRAME_HDR		 *cmdPtr;		/* Ptr to nonOS request */
	struct scsi_cmnd	 *abortSCpnt;
	MPT_LOCAL_REPLY		  localReply;		/* internal cmd reply struct */
	unsigned long		  hard_resets;		/* driver forced bus resets count */
	unsigned long		  soft_resets;		/* fw/external bus resets count */
	unsigned long		  timeouts;		/* cmd timeouts */
	ushort			  sel_timeout[MPT_MAX_FC_DEVICES];
} MPT_SCSI_HOST;

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *	More Dynamic Multi-Pathing stuff...
 */

/* Forward decl, a strange C thing, to prevent gcc compiler warnings */
struct scsi_cmnd;

/*
 *	DMP service layer structure / API interface
 */
typedef struct _DmpServices {
	VirtDevTracker	  VdevList;
	struct semaphore *Daemon;
	int		(*ScsiPathSelect)
				(struct scsi_cmnd *, MPT_SCSI_HOST **hd, int *target, int *lun);
	int		(*DmpIoDoneChk)
				(MPT_SCSI_HOST *, struct scsi_cmnd *,
				 SCSIIORequest_t *,
				 SCSIIOReply_t *);
	void		(*mptscsih_scanVlist)
				(MPT_SCSI_HOST *, int portnum);
	int		(*ScsiAbort)
				(struct scsi_cmnd *);
	int		(*ScsiBusReset)
				(struct scsi_cmnd *);
} DmpServices_t;

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 * Generic structure passed to the base mpt_config function.
 */
typedef struct _x_config_parms {
	Q_ITEM			 linkage;	/* linked list */
	struct timer_list	 timer;		/* timer function for this request  */
	ConfigPageHeader_t	*hdr;
	dma_addr_t		 physAddr;
	int			 wait_done;	/* wait for this request */
	u32			 pageAddr;	/* properly formatted */
	u8			 action;
	u8			 dir;
	u8			 timeout;	/* seconds */
	u8			 pad1;
	u16			 status;
	u16			 pad2;
} CONFIGPARMS;

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *  Public entry points...
 */
extern int	 mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass);
extern void	 mpt_deregister(int cb_idx);
extern int	 mpt_event_register(int cb_idx, MPT_EVHANDLER ev_cbfunc);
extern void	 mpt_event_deregister(int cb_idx);
extern int	 mpt_reset_register(int cb_idx, MPT_RESETHANDLER reset_func);
extern void	 mpt_reset_deregister(int cb_idx);
extern int	 mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, int cb_idx);
extern void	 mpt_device_driver_deregister(int cb_idx);
extern int	 mpt_register_ascqops_strings(void *ascqTable, int ascqtbl_sz, const char **opsTable);
extern void	 mpt_deregister_ascqops_strings(void);
extern MPT_FRAME_HDR	*mpt_get_msg_frame(int handle, MPT_ADAPTER *ioc);
extern void	 mpt_free_msg_frame(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
extern void	 mpt_put_msg_frame(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
extern void	 mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr);
extern void	 mpt_add_chain(char *pAddr, u8 next, u16 length, dma_addr_t dma_addr);

extern int	 mpt_send_handshake_request(int handle, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
extern int	 mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes, u32 *req, int replyBytes, u16 *u16reply, int maxwait, int sleepFlag);
extern int	 mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
extern u32	 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
extern void	 mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
extern int	 mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
extern int	 mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
extern int	 mpt_toolbox(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
extern void	 mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
extern void	 mpt_free_fw_memory(MPT_ADAPTER *ioc);
extern int	 mpt_findImVolumes(MPT_ADAPTER *ioc);
extern int	 mpt_read_ioc_pg_3(MPT_ADAPTER *ioc);

/*
 *  Public data decl's...
 */
extern struct list_head	  ioc_list;
extern struct proc_dir_entry	*mpt_proc_root_dir;
extern DmpServices_t		*DmpService;

extern int		  mpt_lan_index;	/* needed by mptlan.c */
extern int		  mpt_stm_index;	/* needed by mptstm.c */

extern void		 *mpt_v_ASCQ_TablePtr;
extern const char	**mpt_ScsiOpcodesPtr;
extern int		  mpt_ASCQ_TableSz;

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
#endif		/* } __KERNEL__ */

/*
 *  More (public) macros...
 */
#ifndef offsetof
#define offsetof(t, m)	((size_t) (&((t *)0)->m))
#endif

#if defined(__alpha__) || defined(__sparc_v9__) || defined(__ia64__) || defined(__x86_64__)
#define CAST_U32_TO_PTR(x)	((void *)(u64)x)
#define CAST_PTR_TO_U32(x)	((u32)(u64)x)
#else
#define CAST_U32_TO_PTR(x)	((void *)x)
#define CAST_PTR_TO_U32(x)	((u32)x)
#endif

#define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
	((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR)	? 'I' : 'i',	\
	((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET)	? 'T' : 't',	\
	((pflags) & MPI_PORTFACTS_PROTOCOL_LAN)		? 'L' : 'l',	\
	((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR)	? 'B' : 'b'

/*
 *  Shifted SGE Defines - Use in SGE with FlagsLength member.
 *  Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
 *  Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
 */
#define MPT_TRANSFER_IOC_TO_HOST		(0x00000000)
#define MPT_TRANSFER_HOST_TO_IOC		(0x04000000)
#define MPT_SGE_FLAGS_LAST_ELEMENT		(0x80000000)
#define MPT_SGE_FLAGS_END_OF_BUFFER		(0x40000000)
#define MPT_SGE_FLAGS_LOCAL_ADDRESS		(0x08000000)
#define MPT_SGE_FLAGS_DIRECTION			(0x04000000)
#define MPT_SGE_FLAGS_ADDRESSING		(mpt_addr_size() << MPI_SGE_FLAGS_SHIFT)
#define MPT_SGE_FLAGS_END_OF_LIST		(0x01000000)

#define MPT_SGE_FLAGS_TRANSACTION_ELEMENT	(0x00000000)
#define MPT_SGE_FLAGS_SIMPLE_ELEMENT		(0x10000000)
#define MPT_SGE_FLAGS_CHAIN_ELEMENT		(0x30000000)
#define MPT_SGE_FLAGS_ELEMENT_MASK		(0x30000000)

#define MPT_SGE_FLAGS_SSIMPLE_READ \
	(MPT_SGE_FLAGS_LAST_ELEMENT |	\
	 MPT_SGE_FLAGS_END_OF_BUFFER |	\
	 MPT_SGE_FLAGS_END_OF_LIST |	\
	 MPT_SGE_FLAGS_SIMPLE_ELEMENT |	\
	 MPT_SGE_FLAGS_ADDRESSING | \
	 MPT_TRANSFER_IOC_TO_HOST)
#define MPT_SGE_FLAGS_SSIMPLE_WRITE \
	(MPT_SGE_FLAGS_LAST_ELEMENT |	\
	 MPT_SGE_FLAGS_END_OF_BUFFER |	\
	 MPT_SGE_FLAGS_END_OF_LIST |	\
	 MPT_SGE_FLAGS_SIMPLE_ELEMENT |	\
	 MPT_SGE_FLAGS_ADDRESSING | \
	 MPT_TRANSFER_HOST_TO_IOC)

/*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
#endif