mptbase.h

linux 内核源代码

{
	u32	Doorbell;	/* 00     System<->IOC Doorbell reg  */
	u32	WriteSequence;	/* 04     Write Sequence register    */
	u32	Diagnostic;	/* 08     Diagnostic register        */
	u32	TestBase;	/* 0C     Test Base Address          */
	u32	DiagRwData;	/* 10     Read Write Data (fw download)   */
	u32	DiagRwAddress;	/* 14     Read Write Address (fw download)*/
	u32	Reserved1[6];	/* 18-2F  reserved for future use    */
	u32	IntStatus;	/* 30     Interrupt Status           */
	u32	IntMask;	/* 34     Interrupt Mask             */
	u32	Reserved2[2];	/* 38-3F  reserved for future use    */
	u32	RequestFifo;	/* 40     Request Post/Free FIFO     */
	u32	ReplyFifo;	/* 44     Reply   Post/Free FIFO     */
	u32	RequestHiPriFifo; /* 48   Hi Priority Request FIFO   */
	u32	Reserved3;	/* 4C-4F  reserved for future use    */
	u32	HostIndex;	/* 50     Host Index register        */
	u32	Reserved4[15];	/* 54-8F                             */
	u32	Fubar;		/* 90     For Fubar usage            */
	u32	Reserved5[1050];/* 94-10F8                           */
	u32	Reset_1078;	/* 10FC   Reset 1078                 */
} SYSIF_REGS;

/*
 * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
 * in conjunction with SYSIF_REGS accesses!
 */


/*
 *	Dynamic Multi-Pathing specific stuff...
 */

/* VirtTarget negoFlags field */
#define MPT_TARGET_NO_NEGO_WIDE		0x01
#define MPT_TARGET_NO_NEGO_SYNC		0x02
#define MPT_TARGET_NO_NEGO_QAS		0x04
#define MPT_TAPE_NEGO_IDP     		0x08

/*
 *	VirtDevice - FC LUN device or SCSI target device
 */
typedef struct _VirtTarget {
	struct scsi_target	*starget;
	u8			 tflags;
	u8			 ioc_id;
	u8			 id;
	u8			 channel;
	u8			 minSyncFactor;	/* 0xFF is async */
	u8			 maxOffset;	/* 0 if async */
	u8			 maxWidth;	/* 0 if narrow, 1 if wide */
	u8			 negoFlags;	/* bit field, see above */
	u8			 raidVolume;	/* set, if RAID Volume */
	u8			 type;		/* byte 0 of Inquiry data */
	u8			 deleted;	/* target in process of being removed */
	u32			 num_luns;
} VirtTarget;

typedef struct _VirtDevice {
	VirtTarget		*vtarget;
	u8			 configured_lun;
	int			 lun;
} VirtDevice;

/*
 *  Fibre Channel (SCSI) target device and associated defines...
 */
#define MPT_TARGET_DEFAULT_DV_STATUS	0x00
#define MPT_TARGET_FLAGS_VALID_NEGO	0x01
#define MPT_TARGET_FLAGS_VALID_INQUIRY	0x02
#define MPT_TARGET_FLAGS_Q_YES		0x08
#define MPT_TARGET_FLAGS_VALID_56	0x10
#define MPT_TARGET_FLAGS_SAF_TE_ISSUED	0x20
#define MPT_TARGET_FLAGS_RAID_COMPONENT	0x40
#define MPT_TARGET_FLAGS_LED_ON		0x80

/*
 *	/proc/mpt interface
 */
typedef struct {
	const char	*name;
	mode_t		 mode;
	int		 pad;
	read_proc_t	*read_proc;
	write_proc_t	*write_proc;
} mpt_proc_entry_t;

#define MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len) \
do { \
	len -= offset;			\
	if (len < request) {		\
		*eof = 1;		\
		if (len <= 0)		\
			return 0;	\
	} else				\
		len = request;		\
	*start = buf + offset;		\
	return len;			\
} while (0)


/*
 *	IOCTL structure and associated defines
 */

#define MPT_IOCTL_STATUS_DID_IOCRESET	0x01	/* IOC Reset occurred on the current*/
#define MPT_IOCTL_STATUS_RF_VALID	0x02	/* The Reply Frame is VALID */
#define MPT_IOCTL_STATUS_TIMER_ACTIVE	0x04	/* The timer is running */
#define MPT_IOCTL_STATUS_SENSE_VALID	0x08	/* Sense data is valid */
#define MPT_IOCTL_STATUS_COMMAND_GOOD	0x10	/* Command Status GOOD */
#define MPT_IOCTL_STATUS_TMTIMER_ACTIVE	0x20	/* The TM timer is running */
#define MPT_IOCTL_STATUS_TM_FAILED	0x40	/* User TM request failed */

#define MPTCTL_RESET_OK			0x01	/* Issue Bus Reset */

typedef struct _MPT_IOCTL {
	struct _MPT_ADAPTER	*ioc;
	u8			 ReplyFrame[MPT_DEFAULT_FRAME_SIZE];	/* reply frame data */
	u8			 sense[MPT_SENSE_BUFFER_ALLOC];
	int			 wait_done;	/* wake-up value for this ioc */
	u8			 rsvd;
	u8			 status;	/* current command status */
	u8			 reset;		/* 1 if bus reset allowed */
	u8			 id;		/* target for reset */
	struct mutex		 ioctl_mutex;
} MPT_IOCTL;

#define MPT_SAS_MGMT_STATUS_RF_VALID	0x02	/* The Reply Frame is VALID */
#define MPT_SAS_MGMT_STATUS_COMMAND_GOOD	0x10	/* Command Status GOOD */
#define MPT_SAS_MGMT_STATUS_TM_FAILED	0x40	/* User TM request failed */

typedef struct _MPT_SAS_MGMT {
	struct mutex		 mutex;
	struct completion	 done;
	u8			 reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
	u8			 status;	/* current command status */
}MPT_SAS_MGMT;

/*
 *  Event Structure and define
 */
#define MPTCTL_EVENT_LOG_SIZE		(0x000000032)
typedef struct _mpt_ioctl_events {
	u32	event;		/* Specified by define above */
	u32	eventContext;	/* Index or counter */
	u32	data[2];	/* First 8 bytes of Event Data */
} MPT_IOCTL_EVENTS;

/*
 * CONFIGPARM status  defines
 */
#define MPT_CONFIG_GOOD		MPI_IOCSTATUS_SUCCESS
#define MPT_CONFIG_ERROR	0x002F

/*
 *	Substructure to store SCSI specific configuration page data
 */
						/* dvStatus defines: */
#define MPT_SCSICFG_USE_NVRAM		0x01	/* WriteSDP1 using NVRAM */
#define MPT_SCSICFG_ALL_IDS		0x02	/* WriteSDP1 to all IDS */
/* #define MPT_SCSICFG_BLK_NEGO		0x10	   WriteSDP1 with WDTR and SDTR disabled */

typedef	struct _SpiCfgData {
	u32		 PortFlags;
	int		*nvram;			/* table of device NVRAM values */
	IOCPage4_t	*pIocPg4;		/* SEP devices addressing */
	dma_addr_t	 IocPg4_dma;		/* Phys Addr of IOCPage4 data */
	int		 IocPg4Sz;		/* IOCPage4 size */
	u8		 minSyncFactor;		/* 0xFF if async */
	u8		 maxSyncOffset;		/* 0 if async */
	u8		 maxBusWidth;		/* 0 if narrow, 1 if wide */
	u8		 busType;		/* SE, LVD, HD */
	u8		 sdp1version;		/* SDP1 version */
	u8		 sdp1length;		/* SDP1 length  */
	u8		 sdp0version;		/* SDP0 version */
	u8		 sdp0length;		/* SDP0 length  */
	u8		 dvScheduled;		/* 1 if scheduled */
	u8		 noQas;			/* Disable QAS for this adapter */
	u8		 Saf_Te;		/* 1 to force all Processors as
						 * SAF-TE if Inquiry data length
						 * is too short to check for SAF-TE
						 */
	u8		 bus_reset;		/* 1 to allow bus reset */
	u8		 rsvd[1];
}SpiCfgData;

typedef	struct _SasCfgData {
	u8		 ptClear;		/* 1 to automatically clear the
						 * persistent table.
						 * 0 to disable
						 * automatic clearing.
						 */
}SasCfgData;

/*
 * Inactive volume link list of raid component data
 * @inactive_list
 */
struct inactive_raid_component_info {
	struct 	 list_head list;
	u8		 volumeID;		/* volume target id */
	u8		 volumeBus;		/* volume channel */
	IOC_3_PHYS_DISK	 d;			/* phys disk info */
};

typedef	struct _RaidCfgData {
	IOCPage2_t	*pIocPg2;		/* table of Raid Volumes */
	IOCPage3_t	*pIocPg3;		/* table of physical disks */
	struct semaphore	inactive_list_mutex;
	struct list_head	inactive_list; /* link list for physical
						disk that belong in
						inactive volumes */
}RaidCfgData;

typedef struct _FcCfgData {
	/* will ultimately hold fc_port_page0 also */
	struct {
		FCPortPage1_t	*data;
		dma_addr_t	 dma;
		int		 pg_sz;
	}			 fc_port_page1[2];
} FcCfgData;

#define MPT_RPORT_INFO_FLAGS_REGISTERED	0x01	/* rport registered */
#define MPT_RPORT_INFO_FLAGS_MISSING	0x02	/* missing from DevPage0 scan */

/*
 * data allocated for each fc rport device
 */
struct mptfc_rport_info
{
	struct list_head list;
	struct fc_rport *rport;
	struct scsi_target *starget;
	FCDevicePage0_t pg0;
	u8		flags;
};

/*
 *  Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
 */
typedef struct _MPT_ADAPTER
{
	int			 id;		/* Unique adapter id N {0,1,2,...} */
	int			 pci_irq;	/* This irq           */
	char			 name[MPT_NAME_LENGTH];	/* "iocN"             */
	char			 prod_name[MPT_NAME_LENGTH];	/* "LSIFC9x9"         */
	char			 board_name[16];
	char			 board_assembly[16];
	char			 board_tracer[16];
	u16			 nvdata_version_persistent;
	u16			 nvdata_version_default;
	int			 debug_level;
	u8			 io_missing_delay;
	u8			 device_missing_delay;
	SYSIF_REGS __iomem	*chip;		/* == c8817000 (mmap) */
	SYSIF_REGS __iomem	*pio_chip;	/* Programmed IO (downloadboot) */
	u8			 bus_type;
	u32			 mem_phys;	/* == f4020000 (mmap) */
	u32			 pio_mem_phys;	/* Programmed IO (downloadboot) */
	int			 mem_size;	/* mmap memory size */
	int			 number_of_buses;
	int			 devices_per_bus;
	int			 alloc_total;
	u32			 last_state;
	int			 active;
	u8			*alloc;		/* frames alloc ptr */
	dma_addr_t		 alloc_dma;
	u32			 alloc_sz;
	MPT_FRAME_HDR		*reply_frames;	/* Reply msg frames - rounded up! */
	u32			 reply_frames_low_dma;
	int			 reply_depth;	/* Num Allocated reply frames */
	int			 reply_sz;	/* Reply frame size */
	int			 num_chain;	/* Number of chain buffers */
		/* 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			*RequestNB;
	int			*ChainToChain;
	u8			*ChainBuffer;
	dma_addr_t		 ChainBufferDMA;
	struct list_head	 FreeChainQ;
	spinlock_t		 FreeChainQlock;
		/* We (host driver) get to manage our own RequestQueue! */
	dma_addr_t		 req_frames_dma;
	MPT_FRAME_HDR		*req_frames;	/* Request msg frames - rounded up! */
	u32			 req_frames_low_dma;
	int			 req_depth;	/* Number of request frames */
	int			 req_sz;	/* Request frame size (bytes) */
	spinlock_t		 FreeQlock;
	struct list_head	 FreeQ;
		/* Pool of SCSI sense buffers for commands coming from
		 * the SCSI mid-layer.  We have one 256 byte sense buffer
		 * for each REQ entry.
		 */
	u8			*sense_buf_pool;
	dma_addr_t		 sense_buf_pool_dma;
	u32			 sense_buf_low_dma;
	u8			*HostPageBuffer; /* SAS - host page buffer support */
	u32			HostPageBuffer_sz;
	dma_addr_t		HostPageBuffer_dma;
	int			 mtrr_reg;
	struct pci_dev		*pcidev;	/* struct pci_dev pointer */
	u8			__iomem *memmap;	/* mmap address */
	struct Scsi_Host	*sh;		/* Scsi Host pointer */
	SpiCfgData		spi_data;	/* Scsi config. data */
	RaidCfgData		raid_data;	/* Raid config. data */
	SasCfgData		sas_data;	/* Sas config. data */
	FcCfgData		fc_data;	/* Fc config. data */
	MPT_IOCTL		*ioctl;		/* ioctl data pointer */
	struct proc_dir_entry	*ioc_dentry;
	struct _MPT_ADAPTER	*alt_ioc;	/* ptr to 929 bound adapter port */
	spinlock_t		 diagLock;	/* diagnostic reset lock */
	int			 diagPending;
	u32			 biosVersion;	/* BIOS version from IO Unit Page 2 */
	int			 eventTypes;	/* Event logging parameters */
	int			 eventContext;	/* Next event context */
	int			 eventLogSize;	/* Max number of cached events */
	struct _mpt_ioctl_events *events;	/* pointer to event log */
	u8			*cached_fw;	/* Pointer to FW */
	dma_addr_t	 	cached_fw_dma;
	struct list_head	 configQ;	/* linked list of config. requests */
	int			 hs_reply_idx;
#ifndef MFCNT