aacraid.h

优龙2410linux2.6.8内核源代码

#if (!defined(dprintk))
# define dprintk(x)
#endif

/*------------------------------------------------------------------------------
 *              D E F I N E S
 *----------------------------------------------------------------------------*/

#define MAXIMUM_NUM_CONTAINERS	32
#define MAXIMUM_NUM_ADAPTERS	8

#define AAC_NUM_FIB		(256 + 64)
#define AAC_NUM_IO_FIB		100

#define AAC_MAX_LUN		(8)

#define AAC_MAX_HOSTPHYSMEMPAGES (0xfffff)

/*
 * These macros convert from physical channels to virtual channels
 */
#define CONTAINER_CHANNEL		(0)
#define ID_LUN_TO_CONTAINER(id, lun)	(id)
#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

extern int nondasd;
extern int paemode;

struct diskparm
{
	int heads;
	int sectors;
	int cylinders;
};


/*
 *	DON'T CHANGE THE ORDER, this is set by the firmware
 */
 
#define		CT_NONE			0
#define		CT_VOLUME		1
#define		CT_MIRROR		2
#define		CT_STRIPE		3
#define		CT_RAID5		4
#define		CT_SSRW			5
#define		CT_SSRO			6
#define		CT_MORPH		7
#define		CT_PASSTHRU		8
#define		CT_RAID4		9
#define		CT_RAID10		10	/* stripe of mirror */
#define		CT_RAID00		11	/* stripe of stripe */
#define		CT_VOLUME_OF_MIRRORS	12	/* volume of mirror */
#define		CT_PSEUDO_RAID		13	/* really raid4 */
#define		CT_LAST_VOLUME_TYPE	14

/*
 *	Types of objects addressable in some fashion by the client.
 *	This is a superset of those objects handled just by the filesystem
 *	and includes "raw" objects that an administrator would use to
 *	configure containers and filesystems.
 */

#define		FT_REG		1	/* regular file */
#define		FT_DIR		2	/* directory */
#define		FT_BLK		3	/* "block" device - reserved */
#define		FT_CHR		4	/* "character special" device - reserved */
#define		FT_LNK		5	/* symbolic link */
#define		FT_SOCK		6	/* socket */
#define		FT_FIFO		7	/* fifo */
#define		FT_FILESYS	8	/* ADAPTEC's "FSA"(tm) filesystem */
#define		FT_DRIVE	9	/* physical disk - addressable in scsi by bus/id/lun */
#define		FT_SLICE	10	/* virtual disk - raw volume - slice */
#define		FT_PARTITION	11	/* FSA partition - carved out of a slice - building block for containers */
#define		FT_VOLUME	12	/* Container - Volume Set */
#define		FT_STRIPE	13	/* Container - Stripe Set */
#define		FT_MIRROR	14	/* Container - Mirror Set */
#define		FT_RAID5	15	/* Container - Raid 5 Set */
#define		FT_DATABASE	16	/* Storage object with "foreign" content manager */

/*
 *	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 {
	u32	addr;	/* 32-bit address. */
	u32	count;	/* Length. */
};

struct sgentry64 {
	u32	addr[2];	/* 64-bit addr. 2 pieces for data alignment */
	u32	count;	/* Length. */
};

/*
 *	SGMAP
 *
 *	This is the SGMAP structure for all commands that use
 *	32-bit addressing.
 */

struct sgmap {
	u32		count;
	struct sgentry	sg[1]; 
};

struct sgmap64 {
	u32		count;
	struct sgentry64 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 */
	u32		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
						 */
	u32		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 {
	u32 size;          /* Size in bytes of Fib which this QE points to */
	u32 addr; /* Receiver address of the FIB */
};

/*
 *	The adapter assumes the ProducerIndex and ConsumerIndex are grouped
 *	adjacently and in that order.
 */
 
struct aac_qhdr {
	u64 header_addr;		/* Address to hand the adapter to access to this queue head */
	u32 *producer;			/* The producer index for this queue (host address) */
	u32 *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		FsaHigh		2

/*
 * 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 {
	u32 XferState;			// Current transfer state for this CCB
	u16 Command;			// Routing information for the destination
	u8 StructType;			// Type FIB
	u8 Flags;			// Flags for FIB
	u16 Size;			// Size of this FIB in bytes
	u16 SenderSize;			// Size of the FIB in the sender (for response sizing)
	u32 SenderFibAddress;		// Host defined data in the FIB
	u32 ReceiverFibAddress;		// Logical address of this FIB for the adapter
	u32 SenderData;			// Place holder for the sender to store data
	union {
		struct {
		    u32 _ReceiverTimeStart; 	// Timestamp for receipt of fib
		    u32 _ReceiverTimeDone;	// Timestamp for completion of fib
		} _s;
	} _u;
};

#define FIB_DATA_SIZE_IN_BYTES (512 - sizeof(struct aac_fibhdr))


struct hw_fib {
	struct aac_fibhdr header;
	u8 data[FIB_DATA_SIZE_IN_BYTES];		// 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
/*
 *	Cluster Commands
 */
#define		ClusterCommand	 		550
/*
 *	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		LastMiscCommand			706

//
// 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

struct aac_init
{
	u32	InitStructRevision;
	u32	MiniPortRevision;
	u32	fsrev;
	u32	CommHeaderAddress;
	u32	FastIoCommAreaAddress;
	u32	AdapterFibsPhysicalAddress;
	u32	AdapterFibsVirtualAddress;
	u32	AdapterFibsSize;
	u32	AdapterFibAlign;
	u32	printfbuf;
	u32	printfbufsiz;
	u32	HostPhysMemPages;		// number of 4k pages of host physical memory
	u32	HostElapsedSeconds;		// number of seconds since 1970.
};

enum aac_log_level {
	LOG_INIT			= 10,
	LOG_INFORMATIONAL		= 20,
	LOG_WARNING			= 30,
	LOG_LOW_ERROR			= 40,
	LOG_MEDIUM_ERROR		= 50,
	LOG_HIGH_ERROR			= 60,
	LOG_PANIC			= 70,
	LOG_DEBUG			= 80,
	LOG_WINDBG_PRINT		= 90
};

#define FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT	0x030b
#define FSAFS_NTC_FIB_CONTEXT			0x030c

struct aac_dev;

struct adapter_ops
{
	void (*adapter_interrupt)(struct aac_dev *dev);
	void (*adapter_notify)(struct aac_dev *dev, u32 event);
	void (*adapter_enable_int)(struct aac_dev *dev, u32 event);
	void (*adapter_disable_int)(struct aac_dev *dev, u32 event);
	int  (*adapter_sync_cmd)(struct aac_dev *dev, u32 command, u32 p1, u32 *status);
	int  (*adapter_check_health)(struct aac_dev *dev);
};

/*
 *	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	1

/*
 *	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) */
	unsigned long		SavedIrql;     	/* Previous IRQL when the spin lock is taken */
	u32			padding;	/* Padding - FIXME - can remove I believe */
	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. */
	struct list_head	pendingq;	/* A queue of outstanding fib's to 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