text: #ifndef dprintk
  # define dprintk(x)
  #endif
  /* eg: if (nblank(dprintk(x))) */
  #define _nblank(x) #x
  #define nblank(x) _nblank(x)[0]
  
  #include <linux/interrupt.h>
  
  /*------------------------------------------------------------------------------
   *              D E F I N E S
   *----------------------------------------------------------------------------*/
  
  #ifndef AAC_DRIVER_BUILD
  # define AAC_DRIVER_BUILD 2461
  # define AAC_DRIVER_BRANCH "-ms"
  #endif
  #define MAXIMUM_NUM_CONTAINERS	32
  
  #define AAC_NUM_MGT_FIB         8
  #define AAC_NUM_IO_FIB		(512 - AAC_NUM_MGT_FIB)
  #define AAC_NUM_FIB		(AAC_NUM_IO_FIB + AAC_NUM_MGT_FIB)
  
  #define AAC_MAX_LUN		(8)
  
  #define AAC_MAX_HOSTPHYSMEMPAGES (0xfffff)
  #define AAC_MAX_32BIT_SGBCOUNT	((unsigned short)256)
  
  /*
   * These macros convert from physical channels to virtual channels
   */
  #define CONTAINER_CHANNEL		(0)
  #define CONTAINER_TO_CHANNEL(cont)	(CONTAINER_CHANNEL)
  #define CONTAINER_TO_ID(cont)		(cont)
  #define CONTAINER_TO_LUN(cont)		(0)
  
  #define aac_phys_to_logical(x)  ((x)+1)
  #define aac_logical_to_phys(x)  ((x)?(x)-1:0)
  
  /* #define AAC_DETAILED_STATUS_INFO */
  
  struct diskparm
  {
  	int heads;
  	int sectors;
  	int cylinders;
  };
  
  
  /*
   *	Firmware constants
   */
  
  #define		CT_NONE			0
  #define		CT_OK			218
  #define		FT_FILESYS	8	/* ADAPTEC's "FSA"(tm) filesystem */
  #define		FT_DRIVE	9	/* physical disk - addressable in scsi by bus/id/lun */
  
  /*
   *	Host side memory scatter gather list
   *	Used by the adapter for read, write, and readdirplus operations
   *	We have separate 32 and 64 bit version because even
   *	on 64 bit systems not all cards support the 64 bit version
   */
  struct sgentry {
  	__le32	addr;	/* 32-bit address. */
  	__le32	count;	/* Length. */
  };
  
  struct user_sgentry {
  	u32	addr;	/* 32-bit address. */
  	u32	count;	/* Length. */
  };
  
  struct sgentry64 {
  	__le32	addr[2];	/* 64-bit addr. 2 pieces for data alignment */
  	__le32	count;	/* Length. */
  };
  
  struct user_sgentry64 {
  	u32	addr[2];	/* 64-bit addr. 2 pieces for data alignment */
  	u32	count;	/* Length. */
  };
  
  struct sgentryraw {
  	__le32		next;	/* reserved for F/W use */
  	__le32		prev;	/* reserved for F/W use */
  	__le32		addr[2];
  	__le32		count;
  	__le32		flags;	/* reserved for F/W use */
  };
  
  struct user_sgentryraw {
  	u32		next;	/* reserved for F/W use */
  	u32		prev;	/* reserved for F/W use */
  	u32		addr[2];
  	u32		count;
  	u32		flags;	/* reserved for F/W use */
  };
  
  /*
   *	SGMAP
   *
   *	This is the SGMAP structure for all commands that use
   *	32-bit addressing.
   */
  
  struct sgmap {
  	__le32		count;
  	struct sgentry	sg[1];
  };
  
  struct user_sgmap {
  	u32		count;
  	struct user_sgentry	sg[1];
  };
  
  struct sgmap64 {
  	__le32		count;
  	struct sgentry64 sg[1];
  };
  
  struct user_sgmap64 {
  	u32		count;
  	struct user_sgentry64 sg[1];
  };
  
  struct sgmapraw {
  	__le32		  count;
  	struct sgentryraw sg[1];
  };
  
  struct user_sgmapraw {
  	u32		  count;
  	struct user_sgentryraw sg[1];
  };
  
  struct creation_info
  {
  	u8		buildnum;		/* e.g., 588 */
  	u8		usec;			/* e.g., 588 */
  	u8		via;			/* e.g., 1 = FSU,
  						 *	 2 = API
  						 */
  	u8		year;			/* e.g., 1997 = 97 */
  	__le32		date;			/*
  						 * unsigned	Month		:4;	// 1 - 12
  						 * unsigned	Day		:6;	// 1 - 32
  						 * unsigned	Hour		:6;	// 0 - 23
  						 * unsigned	Minute		:6;	// 0 - 60
  						 * unsigned	Second		:6;	// 0 - 60
  						 */
  	__le32		serial[2];			/* e.g., 0x1DEADB0BFAFAF001 */
  };
  
  
  /*
   *	Define all the constants needed for the communication interface
   */
  
  /*
   *	Define how many queue entries each queue will have and the total
   *	number of entries for the entire communication interface. Also define
   *	how many queues we support.
   *
   *	This has to match the controller
   */
  
  #define NUMBER_OF_COMM_QUEUES  8   // 4 command; 4 response
  #define HOST_HIGH_CMD_ENTRIES  4
  #define HOST_NORM_CMD_ENTRIES  8
  #define ADAP_HIGH_CMD_ENTRIES  4
  #define ADAP_NORM_CMD_ENTRIES  512
  #define HOST_HIGH_RESP_ENTRIES 4
  #define HOST_NORM_RESP_ENTRIES 512
  #define ADAP_HIGH_RESP_ENTRIES 4
  #define ADAP_NORM_RESP_ENTRIES 8
  
  #define TOTAL_QUEUE_ENTRIES  \
      (HOST_NORM_CMD_ENTRIES + HOST_HIGH_CMD_ENTRIES + ADAP_NORM_CMD_ENTRIES + ADAP_HIGH_CMD_ENTRIES + \
  	    HOST_NORM_RESP_ENTRIES + HOST_HIGH_RESP_ENTRIES + ADAP_NORM_RESP_ENTRIES + ADAP_HIGH_RESP_ENTRIES)
  
  
  /*
   *	Set the queues on a 16 byte alignment
   */
  
  #define QUEUE_ALIGNMENT		16
  
  /*
   *	The queue headers define the Communication Region queues. These
   *	are physically contiguous and accessible by both the adapter and the
   *	host. Even though all queue headers are in the same contiguous block
   *	they will be represented as individual units in the data structures.
   */
  
  struct aac_entry {
  	__le32 size; /* Size in bytes of Fib which this QE points to */
  	__le32 addr; /* Receiver address of the FIB */
  };
  
  /*
   *	The adapter assumes the ProducerIndex and ConsumerIndex are grouped
   *	adjacently and in that order.
   */
  
  struct aac_qhdr {
  	__le64 header_addr;/* Address to hand the adapter to access
  			      to this queue head */
  	__le32 *producer; /* The producer index for this queue (host address) */
  	__le32 *consumer; /* The consumer index for this queue (host address) */
  };
  
  /*
   *	Define all the events which the adapter would like to notify
   *	the host of.
   */
  
  #define		HostNormCmdQue		1	/* Change in host normal priority command queue */
  #define		HostHighCmdQue		2	/* Change in host high priority command queue */
  #define		HostNormRespQue		3	/* Change in host normal priority response queue */
  #define		HostHighRespQue		4	/* Change in host high priority response queue */
  #define		AdapNormRespNotFull	5
  #define		AdapHighRespNotFull	6
  #define		AdapNormCmdNotFull	7
  #define		AdapHighCmdNotFull	8
  #define		SynchCommandComplete	9
  #define		AdapInternalError	0xfe    /* The adapter detected an internal error shutting down */
  
  /*
   *	Define all the events the host wishes to notify the
   *	adapter of. The first four values much match the Qid the
   *	corresponding queue.
   */
  
  #define		AdapNormCmdQue		2
  #define		AdapHighCmdQue		3
  #define		AdapNormRespQue		6
  #define		AdapHighRespQue		7
  #define		HostShutdown		8
  #define		HostPowerFail		9
  #define		FatalCommError		10
  #define		HostNormRespNotFull	11
  #define		HostHighRespNotFull	12
  #define		HostNormCmdNotFull	13
  #define		HostHighCmdNotFull	14
  #define		FastIo			15
  #define		AdapPrintfDone		16
  
  /*
   *	Define all the queues that the adapter and host use to communicate
   *	Number them to match the physical queue layout.
   */
  
  enum aac_queue_types {
          HostNormCmdQueue = 0,	/* Adapter to host normal priority command traffic */
          HostHighCmdQueue,	/* Adapter to host high priority command traffic */
          AdapNormCmdQueue,	/* Host to adapter normal priority command traffic */
          AdapHighCmdQueue,	/* Host to adapter high priority command traffic */
          HostNormRespQueue,	/* Adapter to host normal priority response traffic */
          HostHighRespQueue,	/* Adapter to host high priority response traffic */
          AdapNormRespQueue,	/* Host to adapter normal priority response traffic */
          AdapHighRespQueue	/* Host to adapter high priority response traffic */
  };
  
  /*
   *	Assign type values to the FSA communication data structures
   */
  
  #define		FIB_MAGIC	0x0001
  
  /*
   *	Define the priority levels the FSA communication routines support.
   */
  
  #define		FsaNormal	1
  
  /*
   * Define the FIB. The FIB is the where all the requested data and
   * command information are put to the application on the FSA adapter.
   */
  
  struct aac_fibhdr {
  	__le32 XferState;	/* Current transfer state for this CCB */
  	__le16 Command;		/* Routing information for the destination */
  	u8 StructType;		/* Type FIB */
  	u8 Flags;		/* Flags for FIB */
  	__le16 Size;		/* Size of this FIB in bytes */
  	__le16 SenderSize;	/* Size of the FIB in the sender
  				   (for response sizing) */
  	__le32 SenderFibAddress;  /* Host defined data in the FIB */
  	__le32 ReceiverFibAddress;/* Logical address of this FIB for
  				     the adapter */
  	u32 SenderData;		/* Place holder for the sender to store data */
  	union {
  		struct {
  		    __le32 _ReceiverTimeStart;	/* Timestamp for
  						   receipt of fib */
  		    __le32 _ReceiverTimeDone;	/* Timestamp for
  						   completion of fib */
  		} _s;
  	} _u;
  };
  
  struct hw_fib {
  	struct aac_fibhdr header;
  	u8 data[512-sizeof(struct aac_fibhdr)];	// Command specific data
  };
  
  /*
   *	FIB commands
   */
  
  #define		TestCommandResponse		1
  #define		TestAdapterCommand		2
  /*
   *	Lowlevel and comm commands
   */
  #define		LastTestCommand			100
  #define		ReinitHostNormCommandQueue	101
  #define		ReinitHostHighCommandQueue	102
  #define		ReinitHostHighRespQueue		103
  #define		ReinitHostNormRespQueue		104
  #define		ReinitAdapNormCommandQueue	105
  #define		ReinitAdapHighCommandQueue	107
  #define		ReinitAdapHighRespQueue		108
  #define		ReinitAdapNormRespQueue		109
  #define		InterfaceShutdown		110
  #define		DmaCommandFib			120
  #define		StartProfile			121
  #define		TermProfile			122
  #define		SpeedTest			123
  #define		TakeABreakPt			124
  #define		RequestPerfData			125
  #define		SetInterruptDefTimer		126
  #define		SetInterruptDefCount		127
  #define		GetInterruptDefStatus		128
  #define		LastCommCommand			129
  /*
   *	Filesystem commands
   */
  #define		NuFileSystem			300
  #define		UFS				301
  #define		HostFileSystem			302
  #define		LastFileSystemCommand		303
  /*
   *	Container Commands
   */
  #define		ContainerCommand		500
  #define		ContainerCommand64		501
  #define		ContainerRawIo			502
  /*
   *	Scsi Port commands (scsi passthrough)
   */
  #define		ScsiPortCommand			600
  #define		ScsiPortCommand64		601
  /*
   *	Misc house keeping and generic adapter initiated commands
   */
  #define		AifRequest			700
  #define		CheckRevision			701
  #define		FsaHostShutdown			702
  #define		RequestAdapterInfo		703
  #define		IsAdapterPaused			704
  #define		SendHostTime			705
  #define		RequestSupplementAdapterInfo	706
  #define		LastMiscCommand			707
  
  /*
   * Commands that will target the failover level on the FSA adapter
   */
  
  enum fib_xfer_state {
  	HostOwned			= (1<<0),
  	AdapterOwned			= (1<<1),
  	FibInitialized			= (1<<2),
  	FibEmpty			= (1<<3),
  	AllocatedFromPool		= (1<<4),
  	SentFromHost			= (1<<5),
  	SentFromAdapter			= (1<<6),
  	ResponseExpected		= (1<<7),
  	NoResponseExpected		= (1<<8),
  	AdapterProcessed		= (1<<9),
  	HostProcessed			= (1<<10),
  	HighPriority			= (1<<11),
  	NormalPriority			= (1<<12),
  	Async				= (1<<13),
  	AsyncIo				= (1<<13),	// rpbfix: remove with new regime
  	PageFileIo			= (1<<14),	// rpbfix: remove with new regime
  	ShutdownRequest			= (1<<15),
  	LazyWrite			= (1<<16),	// rpbfix: remove with new regime
  	AdapterMicroFib			= (1<<17),
  	BIOSFibPath			= (1<<18),
  	FastResponseCapable		= (1<<19),
  	ApiFib				= (1<<20)	// Its an API Fib.
  };
  
  /*
   *	The following defines needs to be updated any time there is an
   *	incompatible change made to the aac_init structure.
   */
  
  #define ADAPTER_INIT_STRUCT_REVISION		3
  #define ADAPTER_INIT_STRUCT_REVISION_4		4 // rocket science
  
  struct aac_init
  {
  	__le32	InitStructRevision;
  	__le32	MiniPortRevision;
  	__le32	fsrev;
  	__le32	CommHeaderAddress;
  	__le32	FastIoCommAreaAddress;
  	__le32	AdapterFibsPhysicalAddress;
  	__le32	AdapterFibsVirtualAddress;
  	__le32	AdapterFibsSize;
  	__le32	AdapterFibAlign;
  	__le32	printfbuf;
  	__le32	printfbufsiz;
  	__le32	HostPhysMemPages;   /* number of 4k pages of host
  				       physical memory */
  	__le32	HostElapsedSeconds; /* number of seconds since 1970. */
  	/*
  	 * ADAPTER_INIT_STRUCT_REVISION_4 begins here
  	 */
  	__le32	InitFlags;	/* flags for supported features */
  #define INITFLAGS_NEW_COMM_SUPPORTED	0x00000001
  #define INITFLAGS_DRIVER_USES_UTC_TIME	0x00000010
  #define INITFLAGS_DRIVER_SUPPORTS_PM	0x00000020
  	__le32	MaxIoCommands;	/* max outstanding commands */
  	__le32	MaxIoSize;	/* largest I/O command */
  	__le32	MaxFibSize;	/* largest FIB to adapter */
  };
  
  enum aac_log_level {
  	LOG_AAC_INIT			= 10,
  	LOG_AAC_INFORMATIONAL		= 20,
  	LOG_AAC_WARNING			= 30,
  	LOG_AAC_LOW_ERROR		= 40,
  	LOG_AAC_MEDIUM_ERROR		= 50,
  	LOG_AAC_HIGH_ERROR		= 60,
  	LOG_AAC_PANIC			= 70,
  	LOG_AAC_DEBUG			= 80,
  	LOG_AAC_WINDBG_PRINT		= 90
  };
  
  #define FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT	0x030b
  #define FSAFS_NTC_FIB_CONTEXT			0x030c
  
  struct aac_dev;
  struct fib;
  struct scsi_cmnd;
  
  struct adapter_ops
  {
  	/* Low level operations */
  	void (*adapter_interrupt)(struct aac_dev *dev);
  	void (*adapter_notify)(struct aac_dev *dev, u32 event);
  	void (*adapter_disable_int)(struct aac_dev *dev);
  	void (*adapter_enable_int)(struct aac_dev *dev);
  	int  (*adapter_sync_cmd)(struct aac_dev *dev, u32 command, u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6, u32 *status, u32 *r1, u32 *r2, u32 *r3, u32 *r4);
  	int  (*adapter_check_health)(struct aac_dev *dev);
  	int  (*adapter_restart)(struct aac_dev *dev, int bled);
  	/* Transport operations */
  	int  (*adapter_ioremap)(struct aac_dev * dev, u32 size);
  	irq_handler_t adapter_intr;
  	/* Packet operations */
  	int  (*adapter_deliver)(struct fib * fib);
  	int  (*adapter_bounds)(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba);
  	int  (*adapter_read)(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count);
  	int  (*adapter_write)(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua);
  	int  (*adapter_scsi)(struct fib * fib, struct scsi_cmnd * cmd);
  	/* Administrative operations */
  	int  (*adapter_comm)(struct aac_dev * dev, int comm);
  };
  
  /*
   *	Define which interrupt handler needs to be installed
   */
  
  struct aac_driver_ident
  {
  	int	(*init)(struct aac_dev *dev);
  	char *	name;
  	char *	vname;
  	char *	model;
  	u16	channels;
  	int	quirks;
  };
  /*
   * Some adapter firmware needs communication memory
   * below 2gig. This tells the init function to set the
   * dma mask such that fib memory will be allocated where the
   * adapter firmware can get to it.
   */
  #define AAC_QUIRK_31BIT	0x0001
  
  /*
   * Some adapter firmware, when the raid card's cache is turned off, can not
   * split up scatter gathers in order to deal with the limits of the
   * underlying CHIM. This limit is 34 scatter gather elements.
   */
  #define AAC_QUIRK_34SG	0x0002
  
  /*
   * This adapter is a slave (no Firmware)
   */
  #define AAC_QUIRK_SLAVE 0x0004
  
  /*
   * This adapter is a master.
   */
  #define AAC_QUIRK_MASTER 0x0008
  
  /*
   * Some adapter firmware perform poorly when it must split up scatter gathers
   * in order to deal with the limits of the underlying CHIM. This limit in this
   * class of adapters is 17 scatter gather elements.
   */
  #define AAC_QUIRK_17SG	0x0010
  
  /*
   *	Some adapter firmware does not support 64 bit scsi passthrough
   * commands.
   */
  #define AAC_QUIRK_SCSI_32	0x0020
  
  /*
   *	The adapter interface specs all queues to be located in the same
   *	physically contigous block. The host structure that defines the
   *	commuication queues will assume they are each a separate physically
   *	contigous memory region that will support them all being one big
   *	contigous block.
   *	There is a command and response queue for each level and direction of
   *	commuication. These regions are accessed by both the host and adapter.
   */
  
  struct aac_queue {
  	u64			logical;	/*address we give the adapter */
  	struct aac_entry	*base;		/*system virtual address */
  	struct aac_qhdr		headers;	/*producer,consumer q headers*/
  	u32			entries;	/*Number of queue entries */
  	wait_queue_head_t	qfull;		/*Event to wait on if q full */
  	wait_queue_head_t	cmdready;	/*Cmd ready from the adapter */
  		/* This is only valid for adapter to host command queues. */
  	spinlock_t		*lock;		/* Spinlock for this queue must take this lock before accessing the lock */
  	spinlock_t		lockdata;	/* Actual lock (used only on one side of the lock) */
  	struct list_head	cmdq;		/* A queue of FIBs which need to be prcessed by the FS thread. This is */
  						/* only valid for command queues which receive entries from the adapter. */
  	u32			numpending;	/* Number of entries on outstanding queue. */
  	struct aac_dev *	dev;		/* Back pointer to adapter structure */
  };
  
  /*
   *	Message queues. The order here is important, see also the
   *	queue type ordering
   */
  
  struct aac_queue_block
  {
  	struct aac_queue queue[8];
  };
  
  /*
   *	SaP1 Message Unit Registers
   */
  
  struct sa_drawbridge_CSR {
  				/*	Offset	|  Name */
  	__le32	reserved[10];	/*	00h-27h |  Reserved */
  	u8	LUT_Offset;	/*	28h	|  Lookup Table Offset */
  	u8	reserved1[3];	/*	29h-2bh	|  Reserved */
  	__le32	LUT_Data;	/*	2ch	|  Looup Table Data */
  	__le32	reserved2[26];	/*	30h-97h	|  Reserved */
  	__le16	PRICLEARIRQ;	/*	98h	|  Primary Clear Irq */
  	__le16	SECCLEARIRQ;	/*	9ah	|  Secondary Clear Irq */
  	__le16	PRISETIRQ;	/*	9ch	|  Primary Set Irq */
  	__le16	SECSETIRQ;	/*	9eh	|  Secondary Set Irq */
  	__le16	PRICLEARIRQMASK;/*	a0h	|  Primary Clear Irq Mask */
  	__le16	SECCLEARIRQMASK;/*	a2h	|  Secondary Clear Irq Mask */
  	__le16	PRISETIRQMASK;	/*	a4h	|  Primary Set Irq Mask */
  	__le16	SECSETIRQMASK;	/*	a6h	|  Secondary Set Irq Mask */
  	__le32	MAILBOX0;	/*	a8h	|  Scratchpad 0 */
  	__le32	MAILBOX1;	/*	ach	|  Scratchpad 1 */
  	__le32	MAILBOX2;	/*	b0h	|  Scratchpad 2 */
  	__le32	MAILBOX3;	/*	b4h	|  Scratchpad 3 */
  	__le32	MAILBOX4;	/*	b8h	|  Scratchpad 4 */
  	__le32	MAILBOX5;	/*	bch	|  Scratchpad 5 */
  	__le32	MAILBOX6;	/*	c0h	|  Scratchpad 6 */
  	__le32	MAILBOX7;	/*	c4h	|  Scratchpad 7 */
  	__le32	ROM_Setup_Data;	/*	c8h	|  Rom Setup and Data */
  	__le32	ROM_Control_Addr;/*	cch	|  Rom Control and Address */
  	__le32	reserved3[12];	/*	d0h-ffh	|  reserved */
  	__le32	LUT[64];	/*    100h-1ffh	|  Lookup Table Entries */
  };
  
  #define Mailbox0	SaDbCSR.MAILBOX0
  #define Mailbox1	SaDbCSR.MAILBOX1
  #define Mailbox2	SaDbCSR.MAILBOX2
  #define Mailbox3	SaDbCSR.MAILBOX3
  #define Mailbox4	SaDbCSR.MAILBOX4
  #define Mailbox5	SaDbCSR.MAILBOX5
  #define Mailbox6	SaDbCSR.MAILBOX6
  #define Mailbox7	SaDbCSR.MAILBOX7
  
  #define DoorbellReg_p SaDbCSR.PRISETIRQ
  #define DoorbellReg_s SaDbCSR.SECSETIRQ
  #define DoorbellClrReg_p SaDbCSR.PRICLEARIRQ
  
  
  #define	DOORBELL_0	0x0001
  #define DOORBELL_1	0x0002
  #define DOORBELL_2	0x0004
  #define DOORBELL_3	0x0008
  #define DOORBELL_4	0x0010
  #define DOORBELL_5	0x0020
  #define DOORBELL_6	0x0040
  
  
  #define PrintfReady	DOORBELL_5
  #define PrintfDone	DOORBELL_5
  
  struct sa_registers {
  	struct sa_drawbridge_CSR	SaDbCSR;			/* 98h - c4h */
  };
  
  
  #define Sa_MINIPORT_REVISION			1
  
  #define sa_readw(AEP, CSR)		readl(&((AEP)->regs.sa->CSR))
  #define sa_readl(AEP, CSR)		readl(&((AEP)->regs.sa->CSR))
  #define sa_writew(AEP, CSR, value)	writew(value, &((AEP)->regs.sa->CSR))
  #define sa_writel(AEP, CSR, value)	writel(value, &((AEP)->regs.sa->CSR))
  
  /*
   *	Rx Message Unit Registers
   */
  
  struct rx_mu_registers {
  			    /*	Local  | PCI*| Name */
  	__le32	ARSR;	    /*	1300h  | 00h | APIC Register Select Register */
  	__le32	reserved0;  /*	1304h  | 04h | Reserved */
  	__le32	AWR;	    /*	1308h  | 08h | APIC Window Register */
  	__le32	reserved1;  /*	130Ch  | 0Ch | Reserved */
  	__le32	IMRx[2];    /*	1310h  | 10h | Inbound Message Registers */
  	__le32	OMRx[2];    /*	1318h  | 18h | Outbound Message Registers */
  	__le32	IDR;	    /*	1320h  | 20h | Inbound Doorbell Register */
  	__le32	IISR;	    /*	1324h  | 24h | Inbound Interrupt
  						Status Register */
  	__le32	IIMR;	    /*	1328h  | 28h | Inbound Interrupt
  						Mask Register */
  	__le32	ODR;	    /*	132Ch  | 2Ch | Outbound Doorbell Register */
  	__le32	OISR;	    /*	1330h  | 30h | Outbound Interrupt
  						Status Register */
  	__le32	OIMR;	    /*	1334h  | 34h | Outbound Interrupt
  						Mask Register */
  	__le32	reserved2;  /*	1338h  | 38h | Reserved */
  	__le32	reserved3;  /*	133Ch  | 3Ch | Reserved */
  	__le32	InboundQueue;/*	1340h  | 40h | Inbound Queue Port relative to firmware */
  	__le32	OutboundQueue;/*1344h  | 44h | Outbound Queue Port relative to firmware */
  			    /* * Must access through ATU Inbound
  				 Translation Window */
  };
  
  struct rx_inbound {
  	__le32	Mailbox[8];
  };
  
  #define	INBOUNDDOORBELL_0	0x00000001
  #define INBOUNDDOORBELL_1	0x00000002
  #define INBOUNDDOORBELL_2	0x00000004
  #define INBOUNDDOORBELL_3	0x00000008
  #define INBOUNDDOORBELL_4	0x00000010
  #define INBOUNDDOORBELL_5	0x00000020
  #define INBOUNDDOORBELL_6	0x00000040
  
  #define	OUTBOUNDDOORBELL_0	0x00000001
  #define OUTBOUNDDOORBELL_1	0x00000002
  #define OUTBOUNDDOORBELL_2	0x00000004
  #define OUTBOUNDDOORBELL_3	0x00000008
  #define OUTBOUNDDOORBELL_4	0x00000010
  
  #define InboundDoorbellReg	MUnit.IDR
  #define OutboundDoorbellReg	MUnit.ODR
  
  struct rx_registers {
  	struct rx_mu_registers		MUnit;		/* 1300h - 1344h */
  	__le32				reserved1[2];	/* 1348h - 134ch */
  	struct rx_inbound		IndexRegs;
  };
  
  #define rx_readb(AEP, CSR)		readb(&((AEP)->regs.rx->CSR))
  #define rx_readl(AEP, CSR)		readl(&((AEP)->regs.rx->CSR))
  #define rx_writeb(AEP, CSR, value)	writeb(value, &((AEP)->regs.rx->CSR))
  #define rx_writel(AEP, CSR, value)	writel(value, &((AEP)->regs.rx->CSR))
  
  /*
   *	Rkt Message Unit Registers (same as Rx, except a larger reserve region)
   */
  
  #define rkt_mu_registers rx_mu_registers
  #define rkt_inbound rx_inbound
  
  struct rkt_registers {
  	struct rkt_mu_registers		MUnit;		 /* 1300h - 1344h */
  	__le32				reserved1[1006]; /* 1348h - 22fch */
  	struct rkt_inbound		IndexRegs;	 /* 2300h - */
  };
  
  #define rkt_readb(AEP, CSR)		readb(&((AEP)->regs.rkt->CSR))
  #define rkt_readl(AEP, CSR)		readl(&((AEP)->regs.rkt->CSR))
  #define rkt_writeb(AEP, CSR, value)	writeb(value, &((AEP)->regs.rkt->CSR))
  #define rkt_writel(AEP, CSR, value)	writel(value, &((AEP)->regs.rkt->CSR))
  
  typedef void (*fib_callback)(void *ctxt, struct fib *fibctx);
  
  struct aac_fib_context {
  	s16			type;		// used for verification of structure
  	s16			size;
  	u32			unique;		// unique value representing this context
  	ulong			jiffies;	// used for cleanup - dmb changed to ulong
  	struct list_head	next;		// used to link context's into a linked list
  	struct semaphore	wait_sem;	// this is used to wait for the next fib to arrive.
  	int			wait;		// Set to true when thread is in WaitForSingleObject
  	unsigned long		count;		// total number of FIBs on FibList
  	struct list_head	fib_list;	// this holds fibs and their attachd hw_fibs
  };
  
  struct sense_data {
  	u8 error_code;		/* 70h (current errors), 71h(deferred errors) */
  	u8 valid:1;		/* A valid bit of one indicates that the information  */
  				/* field contains valid information as defined in the
  				 * SCSI-2 Standard.
  				 */
  	u8 segment_number;	/* Only used for COPY, COMPARE, or COPY AND VERIFY Commands */
  	u8 sense_key:4;		/* Sense Key */
  	u8 reserved:1;
  	u8 ILI:1;		/* Incorrect Length Indicator */
  	u8 EOM:1;		/* End Of Medium - reserved for random access devices */
  	u8 filemark:1;		/* Filemark - reserved for random access devices */
  
  	u8 information[4];	/* for direct-access devices, contains the unsigned
  				 * logical block address or residue associated with
  				 * the sense key
  				 */
  	u8 add_sense_len;	/* number of additional sense bytes to follow this field */
  	u8 cmnd_info[4];	/* not used */
  	u8 ASC;			/* Additional Sense Code */
  	u8 ASCQ;		/* Additional Sense Code Qualifier */
  	u8 FRUC;		/* Field Replaceable Unit Code - not used */
  	u8 bit_ptr:3;		/* indicates which byte of the CDB or parameter data
  				 * was in error
  				 */
  	u8 BPV:1;		/* bit pointer valid (BPV): 1- indicates that
  				 * the bit_ptr field has valid value
  				 */
  	u8 reserved2:2;
  	u8 CD:1;		/* command data bit: 1- illegal parameter in CDB.
  				 * 0- illegal parameter in data.
  				 */
  	u8 SKSV:1;
  	u8 field_ptr[2];	/* byte of the CDB or parameter data in error */
  };
  
  struct fsa_dev_info {
  	u64		last;
  	u64		size;
  	u32		type;
  	u32		config_waiting_on;
  	unsigned long	config_waiting_stamp;
  	u16		queue_depth;
  	u8		config_needed;
  	u8		valid;
  	u8		ro;
  	u8		locked;
  	u8		deleted;
  	char		devname[8];
  	struct sense_data sense_data;
  };
  
  struct fib {
  	void			*next;	/* this is used by the allocator */
  	s16			type;
  	s16			size;
  	/*
  	 *	The Adapter that this I/O is destined for.
  	 */
  	struct aac_dev		*dev;
  	/*
  	 *	This is the event the sendfib routine will wait on if the
  	 *	caller did not pass one and this is synch io.
  	 */
  	struct semaphore	event_wait;
  	spinlock_t		event_lock;
  
  	u32			done;	/* gets set to 1 when fib is complete */
  	fib_callback		callback;
  	void			*callback_data;
  	u32			flags; // u32 dmb was ulong
  	/*
  	 *	And for the internal issue/reply queues (we may be able
  	 *	to merge these two)
  	 */
  	struct list_head	fiblink;
  	void			*data;
  	struct hw_fib		*hw_fib_va;		/* Actual shared object */
  	dma_addr_t		hw_fib_pa;		/* physical address of hw_fib*/
  };
  
  /*
   *	Adapter Information Block
   *
   *	This is returned by the RequestAdapterInfo block
   */
  
  struct aac_adapter_info
  {
  	__le32	platform;
  	__le32	cpu;
  	__le32	subcpu;
  	__le32	clock;
  	__le32	execmem;
  	__le32	buffermem;
  	__le32	totalmem;
  	__le32	kernelrev;
  	__le32	kernelbuild;
  	__le32	monitorrev;
  	__le32	monitorbuild;
  	__le32	hwrev;
  	__le32	hwbuild;
  	__le32	biosrev;
  	__le32	biosbuild;
  	__le32	cluster;
  	__le32	clusterchannelmask;
  	__le32	serial[2];
  	__le32	battery;
  	__le32	options;
  	__le32	OEM;
  };
  
  struct aac_supplement_adapter_info
  {
  	u8	AdapterTypeText[17+1];
  	u8	Pad[2];
  	__le32	FlashMemoryByteSize;
  	__le32	FlashImageId;
  	__le32	MaxNumberPorts;
  	__le32	Version;
  	__le32	FeatureBits;
  	u8	SlotNumber;
  	u8	ReservedPad0[3];
  	u8	BuildDate[12];
  	__le32	CurrentNumberPorts;
  	struct {
  		u8	AssemblyPn[8];
  		u8	FruPn[8];
  		u8	BatteryFruPn[8];
  		u8	EcVersionString[8];
  		u8	Tsid[12];
  	}	VpdInfo;
  	__le32	FlashFirmwareRevision;
  	__le32	FlashFirmwareBuild;
  	__le32	RaidTypeMorphOptions;
  	__le32	FlashFirmwareBootRevision;
  	__le32	FlashFirmwareBootBuild;
  	u8	MfgPcbaSerialNo[12];
  	u8	MfgWWNName[8];
  	__le32	SupportedOptions2;
  	__le32	StructExpansion;
  	/* StructExpansion == 1 */
  	__le32	FeatureBits3;
  	__le32	SupportedPerformanceModes;
  	__le32	ReservedForFutureGrowth[80];
  };
  #define AAC_FEATURE_FALCON	cpu_to_le32(0x00000010)
  #define AAC_FEATURE_JBOD	cpu_to_le32(0x08000000)
  /* SupportedOptions2 */
  #define AAC_OPTION_MU_RESET		cpu_to_le32(0x00000001)
  #define AAC_OPTION_IGNORE_RESET		cpu_to_le32(0x00000002)
  #define AAC_OPTION_POWER_MANAGEMENT	cpu_to_le32(0x00000004)
  #define AAC_SIS_VERSION_V3	3
  #define AAC_SIS_SLOT_UNKNOWN	0xFF
  
  #define GetBusInfo 0x00000009
  struct aac_bus_info {
  	__le32	Command;	/* VM_Ioctl */
  	__le32	ObjType;	/* FT_DRIVE */
  	__le32	MethodId;	/* 1 = SCSI Layer */
  	__le32	ObjectId;	/* Handle */
  	__le32	CtlCmd;		/* GetBusInfo */
  };
  
  struct aac_bus_info_response {
  	__le32	Status;		/* ST_OK */
  	__le32	ObjType;
  	__le32	MethodId;	/* unused */
  	__le32	ObjectId;	/* unused */
  	__le32	CtlCmd;		/* unused */
  	__le32	ProbeComplete;
  	__le32	BusCount;
  	__le32	TargetsPerBus;
  	u8	InitiatorBusId[10];
  	u8	BusValid[10];
  };
  
  /*
   * Battery platforms
   */
  #define AAC_BAT_REQ_PRESENT	(1)
  #define AAC_BAT_REQ_NOTPRESENT	(2)
  #define AAC_BAT_OPT_PRESENT	(3)
  #define AAC_BAT_OPT_NOTPRESENT	(4)
  #define AAC_BAT_NOT_SUPPORTED	(5)
  /*
   * cpu types
   */
  #define AAC_CPU_SIMULATOR	(1)
  #define AAC_CPU_I960		(2)
  #define AAC_CPU_STRONGARM	(3)
  
  /*
   * Supported Options
   */
  #define AAC_OPT_SNAPSHOT		cpu_to_le32(1)
  #define AAC_OPT_CLUSTERS		cpu_to_le32(1<<1)
  #define AAC_OPT_WRITE_CACHE		cpu_to_le32(1<<2)
  #define AAC_OPT_64BIT_DATA		cpu_to_le32(1<<3)
  #define AAC_OPT_HOST_TIME_FIB		cpu_to_le32(1<<4)
  #define AAC_OPT_RAID50			cpu_to_le32(1<<5)
  #define AAC_OPT_4GB_WINDOW		cpu_to_le32(1<<6)
  #define AAC_OPT_SCSI_UPGRADEABLE	cpu_to_le32(1<<7)
  #define AAC_OPT_SOFT_ERR_REPORT		cpu_to_le32(1<<8)
  #define AAC_OPT_SUPPORTED_RECONDITION	cpu_to_le32(1<<9)
  #define AAC_OPT_SGMAP_HOST64		cpu_to_le32(1<<10)
  #define AAC_OPT_ALARM			cpu_to_le32(1<<11)
  #define AAC_OPT_NONDASD			cpu_to_le32(1<<12)
  #define AAC_OPT_SCSI_MANAGED		cpu_to_le32(1<<13)
  #define AAC_OPT_RAID_SCSI_MODE		cpu_to_le32(1<<14)
  #define AAC_OPT_SUPPLEMENT_ADAPTER_INFO	cpu_to_le32(1<<16)
  #define AAC_OPT_NEW_COMM		cpu_to_le32(1<<17)
  #define AAC_OPT_NEW_COMM_64		cpu_to_le32(1<<18)
  
  struct aac_dev
  {
  	struct list_head	entry;
  	const char		*name;
  	int			id;
  
  	/*
  	 *	negotiated FIB settings
  	 */
  	unsigned		max_fib_size;
  	unsigned		sg_tablesize;
  
  	/*
  	 *	Map for 128 fib objects (64k)
  	 */
  	dma_addr_t		hw_fib_pa;
  	struct hw_fib		*hw_fib_va;
  	struct hw_fib		*aif_base_va;
  	/*
  	 *	Fib Headers
  	 */
  	struct fib              *fibs;
  
  	struct fib		*free_fib;
  	spinlock_t		fib_lock;
  
  	struct aac_queue_block *queues;
  	/*
  	 *	The user API will use an IOCTL to register itself to receive
  	 *	FIBs from the adapter.  The following list is used to keep
  	 *	track of all the threads that have requested these FIBs.  The
  	 *	mutex is used to synchronize access to all data associated
  	 *	with the adapter fibs.
  	 */
  	struct list_head	fib_list;
  
  	struct adapter_ops	a_ops;
  	unsigned long		fsrev;		/* Main driver's revision number */
  
  	unsigned		base_size;	/* Size of mapped in region */
  	struct aac_init		*init;		/* Holds initialization info to communicate with adapter */
  	dma_addr_t		init_pa;	/* Holds physical address of the init struct */
  
  	struct pci_dev		*pdev;		/* Our PCI interface */
  	void *			printfbuf;	/* pointer to buffer used for printf's from the adapter */
  	void *			comm_addr;	/* Base address of Comm area */
  	dma_addr_t		comm_phys;	/* Physical Address of Comm area */
  	size_t			comm_size;
  
  	struct Scsi_Host	*scsi_host_ptr;
  	int			maximum_num_containers;
  	int			maximum_num_physicals;
  	int			maximum_num_channels;
  	struct fsa_dev_info	*fsa_dev;
  	struct task_struct	*thread;
  	int			cardtype;
  
  	/*
  	 *	The following is the device specific extension.
  	 */
  #ifndef AAC_MIN_FOOTPRINT_SIZE
  #	define AAC_MIN_FOOTPRINT_SIZE 8192
  #endif
  	union
  	{
  		struct sa_registers __iomem *sa;
  		struct rx_registers __iomem *rx;
  		struct rkt_registers __iomem *rkt;
  	} regs;
  	volatile void __iomem *base;
  	volatile struct rx_inbound __iomem *IndexRegs;
  	u32			OIMR; /* Mask Register Cache */
  	/*
  	 *	AIF thread states
  	 */
  	u32			aif_thread;
  	struct aac_adapter_info adapter_info;
  	struct aac_supplement_adapter_info supplement_adapter_info;
  	/* These are in adapter info but they are in the io flow so
  	 * lets break them out so we don't have to do an AND to check them
  	 */
  	u8			nondasd_support;
  	u8			jbod;
  	u8			cache_protected;
  	u8			dac_support;
  	u8			needs_dac;
  	u8			raid_scsi_mode;
  	u8			comm_interface;
  #	define AAC_COMM_PRODUCER 0
  #	define AAC_COMM_MESSAGE  1
  	/* macro side-effects BEWARE */
  #	define			raw_io_interface \
  	  init->InitStructRevision==cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_4)
  	u8			raw_io_64;
  	u8			printf_enabled;
  	u8			in_reset;
  	u8			msi;
  };
  
  #define aac_adapter_interrupt(dev) \
  	(dev)->a_ops.adapter_interrupt(dev)
  
  #define aac_adapter_notify(dev, event) \
  	(dev)->a_ops.adapter_notify(dev, event)
  
  #define aac_adapter_disable_int(dev) \
  	(dev)->a_ops.adapter_disable_int(dev)
  
  #define aac_adapter_enable_int(dev) \
  	(dev)->a_ops.adapter_enable_int(dev)
  
  #define aac_adapter_sync_cmd(dev, command, p1, p2, p3, p4, p5, p6, status, r1, r2, r3, r4) \
  	(dev)->a_ops.adapter_sync_cmd(dev, command, p1, p2, p3, p4, p5, p6, status, r1, r2, r3, r4)
  
  #define aac_adapter_check_health(dev) \
  	(dev)->a_ops.adapter_check_health(dev)
  
  #define aac_adapter_restart(dev,bled) \
  	(dev)->a_ops.adapter_restart(dev,bled)
  
  #define aac_adapter_ioremap(dev, size) \
  	(dev)->a_ops.adapter_ioremap(dev, size)
  
  #define aac_adapter_deliver(fib) \
  	((fib)->dev)->a_ops.adapter_deliver(fib)
  
  #define aac_adapter_bounds(dev,cmd,lba) \
  	dev->a_ops.adapter_bounds(dev,cmd,lba)
  
  #define aac_adapter_read(fib,cmd,lba,count) \
  	((fib)->dev)->a_ops.adapter_read(fib,cmd,lba,count)
  
  #define aac_adapter_write(fib,cmd,lba,count,fua) \
  	((fib)->dev)->a_ops.adapter_write(fib,cmd,lba,count,fua)
  
  #define aac_adapter_scsi(fib,cmd) \
  	((fib)->dev)->a_ops.adapter_scsi(fib,cmd)
  
  #define aac_adapter_comm(dev,comm) \
  	(dev)->a_ops.adapter_comm(dev, comm)
  
  #define FIB_CONTEXT_FLAG_TIMED_OUT		(0x00000001)
  #define FIB_CONTEXT_FLAG			(0x00000002)
  
  /*
   *	Define the command values
   */
  
  #define		Null			0
  #define		GetAttributes		1
  #define		SetAttributes		2
  #define		Lookup			3
  #define		ReadLink		4
  #define		Read			5
  #define		Write			6
  #define		Create			7
  #define		MakeDirectory		8
  #define		SymbolicLink		9
  #define		MakeNode		10
  #define		Removex			11
  #define		RemoveDirectoryx	12
  #define		Rename			13
  #define		Link			14
  #define		ReadDirectory		15
  #define		ReadDirectoryPlus	16
  #define		FileSystemStatus	17
  #define		FileSystemInfo		18
  #define		PathConfigure		19
  #define		Commit			20
  #define		Mount			21
  #define		UnMount			22
  #define		Newfs			23
  #define		FsCheck			24
  #define		FsSync			25
  #define		SimReadWrite		26
  #define		SetFileSystemStatus	27
  #define		BlockRead		28
  #define		BlockWrite		29
  #define		NvramIoctl		30
  #define		FsSyncWait		31
  #define		ClearArchiveBit		32
  #define		SetAcl			33
  #define		GetAcl			34
  #define		AssignAcl		35
  #define		FaultInsertion		36	/* Fault Insertion Command */
  #define		CrazyCache		37	/* Crazycache */
  
  #define		MAX_FSACOMMAND_NUM	38
  
  
  /*
   *	Define the status returns. These are very unixlike although
   *	most are not in fact used
   */
  
  #define		ST_OK		0
  #define		ST_PERM		1
  #define		ST_NOENT	2
  #define		ST_IO		5
  #define		ST_NXIO		6
  #define		ST_E2BIG	7
  #define		ST_ACCES	13
  #define		ST_EXIST	17
  #define		ST_XDEV		18
  #define		ST_NODEV	19
  #define		ST_NOTDIR	20
  #define		ST_ISDIR	21
  #define		ST_INVAL	22
  #define		ST_FBIG		27
  #define		ST_NOSPC	28
  #define		ST_ROFS		30
  #define		ST_MLINK	31
  #define		ST_WOULDBLOCK	35
  #define		ST_NAMETOOLONG	63
  #define		ST_NOTEMPTY	66
  #define		ST_DQUOT	69
  #define		ST_STALE	70
  #define		ST_REMOTE	71
  #define		ST_NOT_READY	72
  #define		ST_BADHANDLE	10001
  #define		ST_NOT_SYNC	10002
  #define		ST_BAD_COOKIE	10003
  #define		ST_NOTSUPP	10004
  #define		ST_TOOSMALL	10005
  #define		ST_SERVERFAULT	10006
  #define		ST_BADTYPE	10007
  #define		ST_JUKEBOX	10008
  #define		ST_NOTMOUNTED	10009
  #define		ST_MAINTMODE	10010
  #define		ST_STALEACL	10011
  
  /*
   *	On writes how does the client want the data written.
   */
  
  #define	CACHE_CSTABLE		1
  #define CACHE_UNSTABLE		2
  
  /*
   *	Lets the client know at which level the data was commited on
   *	a write request
   */
  
  #define	CMFILE_SYNCH_NVRAM	1
  #define	CMDATA_SYNCH_NVRAM	2
  #define	CMFILE_SYNCH		3
  #define CMDATA_SYNCH		4
  #define CMUNSTABLE		5
  
  struct aac_read
  {
  	__le32		command;
  	__le32		cid;
  	__le32		block;
  	__le32		count;
  	struct sgmap	sg;	// Must be last in struct because it is variable
  };
  
  struct aac_read64
  {
  	__le32		command;
  	__le16		cid;
  	__le16		sector_count;
  	__le32		block;
  	__le16		pad;
  	__le16		flags;
  	struct sgmap64	sg;	// Must be last in struct because it is variable
  };
  
  struct aac_read_reply
  {
  	__le32		status;
  	__le32		count;
  };
  
  struct aac_write
  {
  	__le32		command;
  	__le32		cid;
  	__le32		block;
  	__le32		count;
  	__le32		stable;	// Not used
  	struct sgmap	sg;	// Must be last in struct because it is variable
  };
  
  struct aac_write64
  {
  	__le32		command;
  	__le16		cid;
  	__le16		sector_count;
  	__le32		block;
  	__le16		pad;
  	__le16		flags;
  #define	IO_TYPE_WRITE 0x00000000
  #define	IO_TYPE_READ  0x00000001
  #define	IO_SUREWRITE  0x00000008
  	struct sgmap64	sg;	// Must be last in struct because it is variable
  };
  struct aac_write_reply
  {
  	__le32		status;
  	__le32		count;
  	__le32		committed;
  };
  
  struct aac_raw_io
  {
  	__le32		block[2];
  	__le32		count;
  	__le16		cid;
  	__le16		flags;		/* 00 W, 01 R */
  	__le16		bpTotal;	/* reserved for F/W use */
  	__le16		bpComplete;	/* reserved for F/W use */
  	struct sgmapraw	sg;
  };
  
  #define CT_FLUSH_CACHE 129
  struct aac_synchronize {
  	__le32		command;	/* VM_ContainerConfig */
  	__le32		type;		/* CT_FLUSH_CACHE */
  	__le32		cid;
  	__le32		parm1;
  	__le32		parm2;
  	__le32		parm3;
  	__le32		parm4;
  	__le32		count;	/* sizeof(((struct aac_synchronize_reply *)NULL)->data) */
  };
  
  struct aac_synchronize_reply {
  	__le32		dummy0;
  	__le32		dummy1;
  	__le32		status;	/* CT_OK */
  	__le32		parm1;
  	__le32		parm2;
  	__le32		parm3;
  	__le32		parm4;
  	__le32		parm5;
  	u8		data[16];
  };
  
  #define CT_POWER_MANAGEMENT	245
  #define CT_PM_START_UNIT	2
  #define CT_PM_STOP_UNIT		3
  #define CT_PM_UNIT_IMMEDIATE	1
  struct aac_power_management {
  	__le32		command;	/* VM_ContainerConfig */
  	__le32		type;		/* CT_POWER_MANAGEMENT */
  	__le32		sub;		/* CT_PM_* */
  	__le32		cid;
  	__le32		parm;		/* CT_PM_sub_* */
  };
  
  #define CT_PAUSE_IO    65
  #define CT_RELEASE_IO  66
  struct aac_pause {
  	__le32		command;	/* VM_ContainerConfig */
  	__le32		type;		/* CT_PAUSE_IO */
  	__le32		timeout;	/* 10ms ticks */
  	__le32		min;
  	__le32		noRescan;
  	__le32		parm3;
  	__le32		parm4;
  	__le32		count;	/* sizeof(((struct aac_pause_reply *)NULL)->data) */
  };
  
  struct aac_srb
  {
  	__le32		function;
  	__le32		channel;
  	__le32		id;
  	__le32		lun;
  	__le32		timeout;
  	__le32		flags;
  	__le32		count;		// Data xfer size
  	__le32		retry_limit;
  	__le32		cdb_size;
  	u8		cdb[16];
  	struct	sgmap	sg;
  };
  
  /*
   * This and associated data structs are used by the
   * ioctl caller and are in cpu order.
   */
  struct user_aac_srb
  {
  	u32		function;
  	u32		channel;
  	u32		id;
  	u32		lun;
  	u32		timeout;
  	u32		flags;
  	u32		count;		// Data xfer size
  	u32		retry_limit;
  	u32		cdb_size;
  	u8		cdb[16];
  	struct	user_sgmap	sg;
  };
  
  #define		AAC_SENSE_BUFFERSIZE	 30
  
  struct aac_srb_reply
  {
  	__le32		status;
  	__le32		srb_status;
  	__le32		scsi_status;
  	__le32		data_xfer_length;
  	__le32		sense_data_size;
  	u8		sense_data[AAC_SENSE_BUFFERSIZE]; // Can this be SCSI_SENSE_BUFFERSIZE
  };
  /*
   * SRB Flags
   */
  #define		SRB_NoDataXfer		 0x0000
  #define		SRB_DisableDisconnect	 0x0004
  #define		SRB_DisableSynchTransfer 0x0008
  #define		SRB_BypassFrozenQueue	 0x0010
  #define		SRB_DisableAutosense	 0x0020
  #define		SRB_DataIn		 0x0040
  #define		SRB_DataOut		 0x0080
  
  /*
   * SRB Functions - set in aac_srb->function
   */
  #define	SRBF_ExecuteScsi	0x0000
  #define	SRBF_ClaimDevice	0x0001
  #define	SRBF_IO_Control		0x0002
  #define	SRBF_ReceiveEvent	0x0003
  #define	SRBF_ReleaseQueue	0x0004
  #define	SRBF_AttachDevice	0x0005
  #define	SRBF_ReleaseDevice	0x0006
  #define	SRBF_Shutdown		0x0007
  #define	SRBF_Flush		0x0008
  #define	SRBF_AbortCommand	0x0010
  #define	SRBF_ReleaseRecovery	0x0011
  #define	SRBF_ResetBus		0x0012
  #define	SRBF_ResetDevice	0x0013
  #define	SRBF_TerminateIO	0x0014
  #define	SRBF_FlushQueue		0x0015
  #define	SRBF_RemoveDevice	0x0016
  #define	SRBF_DomainValidation	0x0017
  
  /*
   * SRB SCSI Status - set in aac_srb->scsi_status
   */
  #define SRB_STATUS_PENDING                  0x00
  #define SRB_STATUS_SUCCESS                  0x01
  #define SRB_STATUS_ABORTED                  0x02
  #define SRB_STATUS_ABORT_FAILED             0x03
  #define SRB_STATUS_ERROR                    0x04
  #define SRB_STATUS_BUSY                     0x05
  #define SRB_STATUS_INVALID_REQUEST          0x06
  #define SRB_STATUS_INVALID_PATH_ID          0x07
  #define SRB_STATUS_NO_DEVICE                0x08
  #define SRB_STATUS_TIMEOUT                  0x09
  #define SRB_STATUS_SELECTION_TIMEOUT        0x0A
  #define SRB_STATUS_COMMAND_TIMEOUT          0x0B
  #define SRB_STATUS_MESSAGE_REJECTED         0x0D
  #define SRB_STATUS_BUS_RESET                0x0E
  #define SRB_STATUS_PARITY_ERROR             0x0F
  #define SRB_STATUS_REQUEST_SENSE_FAILED     0x10
  #define SRB_STATUS_NO_HBA                   0x11
  #define SRB_STATUS_DATA_OVERRUN             0x12
  #define SRB_STATUS_UNEXPECTED_BUS_FREE      0x13
  #define SRB_STATUS_PHASE_SEQUENCE_FAILURE   0x14
  #define SRB_STATUS_BAD_SRB_BLOCK_LENGTH     0x15
  #define SRB_STATUS_REQUEST_FLUSHED          0x16
  #define SRB_STATUS_DELAYED_RETRY	    0x17
  #define SRB_STATUS_INVALID_LUN              0x20
  #define SRB_STATUS_INVALID_TARGET_ID        0x21
  #define SRB_STATUS_BAD_FUNCTION             0x22
  #define SRB_STATUS_ERROR_RECOVERY           0x23
  #define SRB_STATUS_NOT_STARTED		    0x24
  #define SRB_STATUS_NOT_IN_USE		    0x30
  #define SRB_STATUS_FORCE_ABORT		    0x31
  #define SRB_STATUS_DOMAIN_VALIDATION_FAIL   0x32
  
  /*
   * Object-Server / Volume-Manager Dispatch Classes
   */
  
  #define		VM_Null			0
  #define		VM_NameServe		1
  #define		VM_ContainerConfig	2
  #define		VM_Ioctl		3
  #define		VM_FilesystemIoctl	4
  #define		VM_CloseAll		5
  #define		VM_CtBlockRead		6
  #define		VM_CtBlockWrite		7
  #define		VM_SliceBlockRead	8	/* raw access to configured "storage objects" */
  #define		VM_SliceBlockWrite	9
  #define		VM_DriveBlockRead	10	/* raw access to physical devices */
  #define		VM_DriveBlockWrite	11
  #define		VM_EnclosureMgt		12	/* enclosure management */
  #define		VM_Unused		13	/* used to be diskset management */
  #define		VM_CtBlockVerify	14
  #define		VM_CtPerf		15	/* performance test */
  #define		VM_CtBlockRead64	16
  #define		VM_CtBlockWrite64	17
  #define		VM_CtBlockVerify64	18
  #define		VM_CtHostRead64		19
  #define		VM_CtHostWrite64	20
  #define		VM_DrvErrTblLog		21
  #define		VM_NameServe64		22
  
  #define		MAX_VMCOMMAND_NUM	23	/* used for sizing stats array - leave last */
  
  /*
   *	Descriptive information (eg, vital stats)
   *	that a content manager might report.  The
   *	FileArray filesystem component is one example
   *	of a content manager.  Raw mode might be
   *	another.
   */
  
  struct aac_fsinfo {
  	__le32  fsTotalSize;	/* Consumed by fs, incl. metadata */
  	__le32  fsBlockSize;
  	__le32  fsFragSize;
  	__le32  fsMaxExtendSize;
  	__le32  fsSpaceUnits;
  	__le32  fsMaxNumFiles;
  	__le32  fsNumFreeFiles;
  	__le32  fsInodeDensity;
  };	/* valid iff ObjType == FT_FILESYS && !(ContentState & FSCS_NOTCLEAN) */
  
  union aac_contentinfo {
  	struct aac_fsinfo filesys;	/* valid iff ObjType == FT_FILESYS && !(ContentState & FSCS_NOTCLEAN) */
  };
  
  /*
   *	Query for Container Configuration Status
   */
  
  #define CT_GET_CONFIG_STATUS 147
  struct aac_get_config_status {
  	__le32		command;	/* VM_ContainerConfig */
  	__le32		type;		/* CT_GET_CONFIG_STATUS */
  	__le32		parm1;
  	__le32		parm2;
  	__le32		parm3;
  	__le32		parm4;
  	__le32		parm5;
  	__le32		count;	/* sizeof(((struct aac_get_config_status_resp *)NULL)->data) */
  };
  
  #define CFACT_CONTINUE 0
  #define CFACT_PAUSE    1
  #define CFACT_ABORT    2
  struct aac_get_config_status_resp {
  	__le32		response; /* ST_OK */
  	__le32		dummy0;
  	__le32		status;	/* CT_OK */
  	__le32		parm1;
  	__le32		parm2;
  	__le32		parm3;
  	__le32		parm4;
  	__le32		parm5;
  	struct {
  		__le32	action; /* CFACT_CONTINUE, CFACT_PAUSE or CFACT_ABORT */
  		__le16	flags;
  		__le16	count;
  	}		data;
  };
  
  /*
   *	Accept the configuration as-is
   */
  
  #define CT_COMMIT_CONFIG 152
  
  struct aac_commit_config {
  	__le32		command;	/* VM_ContainerConfig */
  	__le32		type;		/* CT_COMMIT_CONFIG */
  };
  
  /*
   *	Query for Container Configuration Status
   */
  
  #define CT_GET_CONTAINER_COUNT 4
  struct aac_get_container_count {
  	__le32		command;	/* VM_ContainerConfig */
  	__le32		type;		/* CT_GET_CONTAINER_COUNT */
  };
  
  struct aac_get_container_count_resp {
  	__le32		response; /* ST_OK */
  	__le32		dummy0;
  	__le32		MaxContainers;
  	__le32		ContainerSwitchEntries;
  	__le32		MaxPartitions;
  };
  
  
  /*
   *	Query for "mountable" objects, ie, objects that are typically
   *	associated with a drive letter on the client (host) side.
   */
  
  struct aac_mntent {
  	__le32			oid;
  	u8			name[16];	/* if applicable */
  	struct creation_info	create_info;	/* if applicable */
  	__le32			capacity;
  	__le32			vol;		/* substrate structure */
  	__le32			obj;		/* FT_FILESYS, etc. */
  	__le32			state;		/* unready for mounting,
  						   readonly, etc. */
  	union aac_contentinfo	fileinfo;	/* Info specific to content
  						   manager (eg, filesystem) */
  	__le32			altoid;		/* != oid <==> snapshot or
  						   broken mirror exists */
  	__le32			capacityhigh;
  };
  
  #define FSCS_NOTCLEAN	0x0001  /* fsck is necessary before mounting */
  #define FSCS_READONLY	0x0002	/* possible result of broken mirror */
  #define FSCS_HIDDEN	0x0004	/* should be ignored - set during a clear */
  #define FSCS_NOT_READY	0x0008	/* Array spinning up to fulfil request */
  
  struct aac_query_mount {
  	__le32		command;
  	__le32		type;
  	__le32		count;
  };
  
  struct aac_mount {
  	__le32		status;
  	__le32		type;           /* should be same as that requested */
  	__le32		count;
  	struct aac_mntent mnt[1];
  };
  
  #define CT_READ_NAME 130
  struct aac_get_name {
  	__le32		command;	/* VM_ContainerConfig */
  	__le32		type;		/* CT_READ_NAME */
  	__le32		cid;
  	__le32		parm1;
  	__le32		parm2;
  	__le32		parm3;
  	__le32		parm4;
  	__le32		count;	/* sizeof(((struct aac_get_name_resp *)NULL)->data) */
  };
  
  struct aac_get_name_resp {
  	__le32		dummy0;
  	__le32		dummy1;
  	__le32		status;	/* CT_OK */
  	__le32		parm1;
  	__le32		parm2;
  	__le32		parm3;
  	__le32		parm4;
  	__le32		parm5;
  	u8		data[16];
  };
  
  #define CT_CID_TO_32BITS_UID 165
  struct aac_get_serial {
  	__le32		command;	/* VM_ContainerConfig */
  	__le32		type;		/* CT_CID_TO_32BITS_UID */
  	__le32		cid;
  };
  
  struct aac_get_serial_resp {
  	__le32		dummy0;
  	__le32		dummy1;
  	__le32		status;	/* CT_OK */
  	__le32		uid;
  };
  
  /*
   * The following command is sent to shut down each container.
   */
  
  struct aac_close {
  	__le32	command;
  	__le32	cid;
  };
  
  struct aac_query_disk
  {
  	s32	cnum;
  	s32	bus;
  	s32	id;
  	s32	lun;
  	u32	valid;
  	u32	locked;
  	u32	deleted;
  	s32	instance;
  	s8	name[10];
  	u32	unmapped;
  };
  
  struct aac_delete_disk {
  	u32	disknum;
  	u32	cnum;
  };
  
  struct fib_ioctl
  {
  	u32	fibctx;
  	s32	wait;
  	char	__user *fib;
  };
  
  struct revision
  {
  	u32 compat;
  	__le32 version;
  	__le32 build;
  };
  
  
  /*
   *	Ugly - non Linux like ioctl coding for back compat.
   */
  
  #define CTL_CODE(function, method) (                 \
      (4<< 16) | ((function) << 2) | (method) \
  )
  
  /*
   *	Define the method codes for how buffers are passed for I/O and FS
   *	controls
   */
  
  #define METHOD_BUFFERED                 0
  #define METHOD_NEITHER                  3
  
  /*
   *	Filesystem ioctls
   */
  
  #define FSACTL_SENDFIB				CTL_CODE(2050, METHOD_BUFFERED)
  #define FSACTL_SEND_RAW_SRB			CTL_CODE(2067, METHOD_BUFFERED)
  #define FSACTL_DELETE_DISK			0x163
  #define FSACTL_QUERY_DISK			0x173
  #define FSACTL_OPEN_GET_ADAPTER_FIB		CTL_CODE(2100, METHOD_BUFFERED)
  #define FSACTL_GET_NEXT_ADAPTER_FIB		CTL_CODE(2101, METHOD_BUFFERED)
  #define FSACTL_CLOSE_GET_ADAPTER_FIB		CTL_CODE(2102, METHOD_BUFFERED)
  #define FSACTL_MINIPORT_REV_CHECK               CTL_CODE(2107, METHOD_BUFFERED)
  #define FSACTL_GET_PCI_INFO			CTL_CODE(2119, METHOD_BUFFERED)
  #define FSACTL_FORCE_DELETE_DISK		CTL_CODE(2120, METHOD_NEITHER)
  #define FSACTL_GET_CONTAINERS			2131
  #define FSACTL_SEND_LARGE_FIB			CTL_CODE(2138, METHOD_BUFFERED)
  
  
  struct aac_common
  {
  	/*
  	 *	If this value is set to 1 then interrupt moderation will occur
  	 *	in the base commuication support.
  	 */
  	u32 irq_mod;
  	u32 peak_fibs;
  	u32 zero_fibs;
  	u32 fib_timeouts;
  	/*
  	 *	Statistical counters in debug mode
  	 */
  #ifdef DBG
  	u32 FibsSent;
  	u32 FibRecved;
  	u32 NoResponseSent;
  	u32 NoResponseRecved;
  	u32 AsyncSent;
  	u32 AsyncRecved;
  	u32 NormalSent;
  	u32 NormalRecved;
  #endif
  };
  
  extern struct aac_common aac_config;
  
  
  /*
   *	The following macro is used when sending and receiving FIBs. It is
   *	only used for debugging.
   */
  
  #ifdef DBG
  #define	FIB_COUNTER_INCREMENT(counter)		(counter)++
  #else
  #define	FIB_COUNTER_INCREMENT(counter)
  #endif
  
  /*
   *	Adapter direct commands
   *	Monitor/Kernel API
   */
  
  #define	BREAKPOINT_REQUEST		0x00000004
  #define	INIT_STRUCT_BASE_ADDRESS	0x00000005
  #define READ_PERMANENT_PARAMETERS	0x0000000a
  #define WRITE_PERMANENT_PARAMETERS	0x0000000b
  #define HOST_CRASHING			0x0000000d
  #define	SEND_SYNCHRONOUS_FIB		0x0000000c
  #define COMMAND_POST_RESULTS		0x00000014
  #define GET_ADAPTER_PROPERTIES		0x00000019
  #define GET_DRIVER_BUFFER_PROPERTIES	0x00000023
  #define RCV_TEMP_READINGS		0x00000025
  #define GET_COMM_PREFERRED_SETTINGS	0x00000026
  #define IOP_RESET			0x00001000
  #define IOP_RESET_ALWAYS		0x00001001
  #define RE_INIT_ADAPTER			0x000000ee
  
  /*
   *	Adapter Status Register
   *
   *  Phase Staus mailbox is 32bits:
   *	<31:16> = Phase Status
   *	<15:0>  = Phase
   *
   *	The adapter reports is present state through the phase.  Only
   *	a single phase should be ever be set.  Each phase can have multiple
   *	phase status bits to provide more detailed information about the
   *	state of the board.  Care should be taken to ensure that any phase
   *	status bits that are set when changing the phase are also valid
   *	for the new phase or be cleared out.  Adapter software (monitor,
   *	iflash, kernel) is responsible for properly maintining the phase
   *	status mailbox when it is running.
   *
   *	MONKER_API Phases
   *
   *	Phases are bit oriented.  It is NOT valid  to have multiple bits set
   */
  
  #define	SELF_TEST_FAILED		0x00000004
  #define	MONITOR_PANIC			0x00000020
  #define	KERNEL_UP_AND_RUNNING		0x00000080
  #define	KERNEL_PANIC			0x00000100
  
  /*
   *	Doorbell bit defines
   */
  
  #define DoorBellSyncCmdAvailable	(1<<0)	/* Host -> Adapter */
  #define DoorBellPrintfDone		(1<<5)	/* Host -> Adapter */
  #define DoorBellAdapterNormCmdReady	(1<<1)	/* Adapter -> Host */
  #define DoorBellAdapterNormRespReady	(1<<2)	/* Adapter -> Host */
  #define DoorBellAdapterNormCmdNotFull	(1<<3)	/* Adapter -> Host */
  #define DoorBellAdapterNormRespNotFull	(1<<4)	/* Adapter -> Host */
  #define DoorBellPrintfReady		(1<<5)	/* Adapter -> Host */
  
  /*
   *	For FIB communication, we need all of the following things
   *	to send back to the user.
   */
  
  #define		AifCmdEventNotify	1	/* Notify of event */
  #define			AifEnConfigChange	3	/* Adapter configuration change */
  #define			AifEnContainerChange	4	/* Container configuration change */
  #define			AifEnDeviceFailure	5	/* SCSI device failed */
  #define			AifEnEnclosureManagement 13	/* EM_DRIVE_* */
  #define				EM_DRIVE_INSERTION	31
  #define				EM_DRIVE_REMOVAL	32
  #define			AifEnBatteryEvent	14	/* Change in Battery State */
  #define			AifEnAddContainer	15	/* A new array was created */
  #define			AifEnDeleteContainer	16	/* A container was deleted */
  #define			AifEnExpEvent		23	/* Firmware Event Log */
  #define			AifExeFirmwarePanic	3	/* Firmware Event Panic */
  #define			AifHighPriority		3	/* Highest Priority Event */
  #define			AifEnAddJBOD		30	/* JBOD created */
  #define			AifEnDeleteJBOD		31	/* JBOD deleted */
  
  #define		AifCmdJobProgress	2	/* Progress report */
  #define			AifJobCtrZero	101	/* Array Zero progress */
  #define			AifJobStsSuccess 1	/* Job completes */
  #define			AifJobStsRunning 102	/* Job running */
  #define		AifCmdAPIReport		3	/* Report from other user of API */
  #define		AifCmdDriverNotify	4	/* Notify host driver of event */
  #define			AifDenMorphComplete 200	/* A morph operation completed */
  #define			AifDenVolumeExtendComplete 201 /* A volume extend completed */
  #define		AifReqJobList		100	/* Gets back complete job list */
  #define		AifReqJobsForCtr	101	/* Gets back jobs for specific container */
  #define		AifReqJobsForScsi	102	/* Gets back jobs for specific SCSI device */
  #define		AifReqJobReport		103	/* Gets back a specific job report or list of them */
  #define		AifReqTerminateJob	104	/* Terminates job */
  #define		AifReqSuspendJob	105	/* Suspends a job */
  #define		AifReqResumeJob		106	/* Resumes a job */
  #define		AifReqSendAPIReport	107	/* API generic report requests */
  #define		AifReqAPIJobStart	108	/* Start a job from the API */
  #define		AifReqAPIJobUpdate	109	/* Update a job report from the API */
  #define		AifReqAPIJobFinish	110	/* Finish a job from the API */
  
  /*
   *	Adapter Initiated FIB command structures. Start with the adapter
   *	initiated FIBs that really come from the adapter, and get responded
   *	to by the host.
   */
  
  struct aac_aifcmd {
  	__le32 command;		/* Tell host what type of notify this is */
  	__le32 seqnum;		/* To allow ordering of reports (if necessary) */
  	u8 data[1];		/* Undefined length (from kernel viewpoint) */
  };
  
  /**
   *	Convert capacity to cylinders
   *	accounting for the fact capacity could be a 64 bit value
   *
   */
  static inline unsigned int cap_to_cyls(sector_t capacity, unsigned divisor)
  {
  	sector_div(capacity, divisor);
  	return capacity;
  }
  
  /* SCp.phase values */
  #define AAC_OWNER_MIDLEVEL	0x101
  #define AAC_OWNER_LOWLEVEL	0x102
  #define AAC_OWNER_ERROR_HANDLER	0x103
  #define AAC_OWNER_FIRMWARE	0x106
  
  const char *aac_driverinfo(struct Scsi_Host *);
  struct fib *aac_fib_alloc(struct aac_dev *dev);
  int aac_fib_setup(struct aac_dev *dev);
  void aac_fib_map_free(struct aac_dev *dev);
  void aac_fib_free(struct fib * context);
  void aac_fib_init(struct fib * context);
  void aac_printf(struct aac_dev *dev, u32 val);
  int aac_fib_send(u16 command, struct fib * context, unsigned long size, int priority, int wait, int reply, fib_callback callback, void *ctxt);
  int aac_consumer_get(struct aac_dev * dev, struct aac_queue * q, struct aac_entry **entry);
  void aac_consumer_free(struct aac_dev * dev, struct aac_queue * q, u32 qnum);
  int aac_fib_complete(struct fib * context);
  #define fib_data(fibctx) ((void *)(fibctx)->hw_fib_va->data)
  struct aac_dev *aac_init_adapter(struct aac_dev *dev);
  int aac_get_config_status(struct aac_dev *dev, int commit_flag);
  int aac_get_containers(struct aac_dev *dev);
  int aac_scsi_cmd(struct scsi_cmnd *cmd);
  int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg);
  #ifndef shost_to_class
  #define shost_to_class(shost) &shost->shost_dev
  #endif
  ssize_t aac_get_serial_number(struct device *dev, char *buf);
  int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg);
  int aac_rx_init(struct aac_dev *dev);
  int aac_rkt_init(struct aac_dev *dev);
  int aac_nark_init(struct aac_dev *dev);
  int aac_sa_init(struct aac_dev *dev);
  int aac_queue_get(struct aac_dev * dev, u32 * index, u32 qid, struct hw_fib * hw_fib, int wait, struct fib * fibptr, unsigned long *nonotify);
  unsigned int aac_response_normal(struct aac_queue * q);
  unsigned int aac_command_normal(struct aac_queue * q);
  unsigned int aac_intr_normal(struct aac_dev * dev, u32 Index);
  int aac_reset_adapter(struct aac_dev * dev, int forced);
  int aac_check_health(struct aac_dev * dev);
  int aac_command_thread(void *data);
  int aac_close_fib_context(struct aac_dev * dev, struct aac_fib_context *fibctx);
  int aac_fib_adapter_complete(struct fib * fibptr, unsigned short size);
  struct aac_driver_ident* aac_get_driver_ident(int devtype);
  int aac_get_adapter_info(struct aac_dev* dev);
  int aac_send_shutdown(struct aac_dev *dev);
  int aac_probe_container(struct aac_dev *dev, int cid);
  int _aac_rx_init(struct aac_dev *dev);
  int aac_rx_select_comm(struct aac_dev *dev, int comm);
  int aac_rx_deliver_producer(struct fib * fib);
  char * get_container_type(unsigned type);
  extern int numacb;
  extern int acbsize;
  extern char aac_driver_version[];
  extern int startup_timeout;
  extern int aif_timeout;
  extern int expose_physicals;
  extern int aac_reset_devices;
  extern int aac_msi;
  extern int aac_commit;
  extern int update_interval;
  extern int check_interval;
  extern int aac_check_reset;
  