mptbase.h

linux 内核源代码

	u32			 pad0;
#else
	u32			 mfcnt;
#endif
	u32			 NB_for_64_byte_frame;
	u32			 hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
	u16			 hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
	IOCFactsReply_t		 facts;
	PortFactsReply_t	 pfacts[2];
	FCPortPage0_t		 fc_port_page0[2];
	struct timer_list	 persist_timer;	/* persist table timer */
	int			 persist_wait_done; /* persist completion flag */
	u8			 persist_reply_frame[MPT_DEFAULT_FRAME_SIZE]; /* persist reply */
	LANPage0_t		 lan_cnfg_page0;
	LANPage1_t		 lan_cnfg_page1;

	u8			 ir_firmware; /* =1 if IR firmware detected */
	/*
	 * Description: errata_flag_1064
	 * If a PCIX read occurs within 1 or 2 cycles after the chip receives
	 * a split completion for a read data, an internal address pointer incorrectly
	 * increments by 32 bytes
	 */
	int			 errata_flag_1064;
	int			 aen_event_read_flag; /* flag to indicate event log was read*/
	u8			 FirstWhoInit;
	u8			 upload_fw;	/* If set, do a fw upload */
	u8			 reload_fw;	/* Force a FW Reload on next reset */
	u8			 NBShiftFactor;  /* NB Shift Factor based on Block Size (Facts)  */
	u8			 pad1[4];
	u8			 DoneCtx;
	u8			 TaskCtx;
	u8			 InternalCtx;
	spinlock_t		 initializing_hba_lock;
	int 	 		 initializing_hba_lock_flag;
	struct list_head	 list;
	struct net_device	*netdev;
	struct list_head	 sas_topology;
	struct mutex		 sas_topology_mutex;
	struct mutex		 sas_discovery_mutex;
	u8			 sas_discovery_runtime;
	u8			 sas_discovery_ignore_events;
	u16			 handle;
	int			 sas_index; /* index refrencing */
	MPT_SAS_MGMT		 sas_mgmt;
	struct work_struct	 sas_persist_task;

	struct work_struct	 fc_setup_reset_work;
	struct list_head	 fc_rports;
	struct work_struct	 fc_lsc_work;
	u8			 fc_link_speed[2];
	spinlock_t		 fc_rescan_work_lock;
	struct work_struct	 fc_rescan_work;
	char			 fc_rescan_work_q_name[KOBJ_NAME_LEN];
	struct workqueue_struct *fc_rescan_work_q;
	struct scsi_cmnd	**ScsiLookup;
	spinlock_t		  scsi_lookup_lock;
} MPT_ADAPTER;

/*
 *  New return value convention:
 *    1 = Ok to free associated request frame
 *    0 = not Ok ...
 */
typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
/* reset_phase defs */
#define MPT_IOC_PRE_RESET		0
#define MPT_IOC_POST_RESET		1
#define MPT_IOC_SETUP_RESET		2

/*
 * Invent MPT host event (super-set of MPI Events)
 * Fitted to 1030's 64-byte [max] request frame size
 */
typedef struct _MPT_HOST_EVENT {
	EventNotificationReply_t	 MpiEvent;	/* 8 32-bit words! */
	u32				 pad[6];
	void				*next;
} MPT_HOST_EVENT;

#define MPT_HOSTEVENT_IOC_BRINGUP	0x91
#define MPT_HOSTEVENT_IOC_RECOVER	0x92

/* Define the generic types based on the size
 * of the dma_addr_t type.
 */
typedef struct _mpt_sge {
	u32		FlagsLength;
	dma_addr_t	Address;
} MptSge_t;

#define mpt_addr_size() \
	((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SGE_FLAGS_64_BIT_ADDRESSING : \
		MPI_SGE_FLAGS_32_BIT_ADDRESSING)

#define mpt_msg_flags() \
	((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 : \
		MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32)

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *  Funky (private) macros...
 */
#include "mptdebug.h"

#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 SCSI_STD_SENSE_BYTES    18
#define SCSI_STD_INQUIRY_BYTES  36
#define SCSI_MAX_INQUIRY_BYTES  96

/*
 * 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 enum {
	FC,
	SPI,
	SAS
} BUS_TYPE;

typedef struct _MPT_SCSI_HOST {
	MPT_ADAPTER		 *ioc;
	int			  port;
	u32			  pad0;
	MPT_LOCAL_REPLY		 *pLocal;		/* used for internal commands */
	struct timer_list	  timer;
		/* Pool of memory for holding SCpnts before doing
		 * OS callbacks. freeQ is the free pool.
		 */
	u8			  tmPending;
	u8			  resetPending;
	u8			  negoNvram;		/* DV disabled, nego NVRAM */
	u8			  pad1;
	u8                        tmState;
	u8			  rsvd[2];
	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];
	char 			  *info_kbuf;
	wait_queue_head_t	  scandv_waitq;
	int			  scandv_wait_done;
	long			  last_queue_full;
	u16			  tm_iocstatus;
	u16			  spi_pending;
	struct list_head	  target_reset_list;
} MPT_SCSI_HOST;

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

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

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 * Generic structure passed to the base mpt_config function.
 */
typedef struct _x_config_parms {
	struct list_head	 linkage;	/* linked list */
	struct timer_list	 timer;		/* timer function for this request  */
	union {
		ConfigExtendedPageHeader_t	*ehdr;
		ConfigPageHeader_t	*hdr;
	} cfghdr;
	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_attach(struct pci_dev *pdev, const struct pci_device_id *id);
extern void	 mpt_detach(struct pci_dev *pdev);
#ifdef CONFIG_PM
extern int	 mpt_suspend(struct pci_dev *pdev, pm_message_t state);
extern int	 mpt_resume(struct pci_dev *pdev);
#endif
extern u8	 mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass);
extern void	 mpt_deregister(u8 cb_idx);
extern int	 mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc);
extern void	 mpt_event_deregister(u8 cb_idx);
extern int	 mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func);
extern void	 mpt_reset_deregister(u8 cb_idx);
extern int	 mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx);
extern void	 mpt_device_driver_deregister(u8 cb_idx);
extern MPT_FRAME_HDR	*mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc);
extern void	 mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
extern void	 mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
extern void	 mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
extern void	 mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr);

extern int	 mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, 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 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	 mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
extern int	 mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk);

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

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

#if defined(__alpha__) || defined(__sparc_v9__) || defined(__ia64__) || defined(__x86_64__) || defined(__powerpc__)
#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