qla2x00.h

QL2000卡的驱动程序,可以学习驱动的编程. 对于UNIX的I/O操作有帮助!

#ifdef ISP2200
#define GP_IDNN_LENGTH  (256 * sizeof(port_data_t)) + 16
#else
#define GP_IDNN_LENGTH  (126 * sizeof(port_data_t)) + 16
#endif

typedef union
{
    struct
    {
        uint16_t buffer_length;
        uint16_t reserved;
        uint32_t buffer_address[2];
        uint16_t subcommand_length;
        uint16_t reserved_1;
        uint16_t subcommand;
        uint16_t length;
        uint32_t reserved2;
        uint32_t protocol;
        uint8_t  param[GP_IDNN_LENGTH - 28];
    }req;

    struct
    {
        uint8_t revision;
        uint8_t inid[3];
        uint8_t fcstype;
        uint8_t subtype;
        uint8_t options;
        uint8_t reserved;
        uint16_t response;
        uint16_t residual;
        uint8_t reserved1;
        uint8_t reason_code;
        uint8_t explanation_code;
        uint8_t vendor_unique;
#ifdef ISP2200
        port_data_t  port_data[256];
#else
        port_data_t  port_data[126];
#endif
    }rsp;

}gp_idnn_t;

#ifdef ISP2200
#define GN_LIST_LENGTH  256 * sizeof(port_list_entry_t)
#else
#define GN_LIST_LENGTH  126 * sizeof(port_list_entry_t)
#endif
/*
 * Structure used in Get Port List mailbox command (0x75).
 */
typedef struct
{
    uint8_t    name[8];
    uint16_t   loop_id;
}port_list_entry_t;

/*
 * Driver Device Database structure.
 */
typedef struct
{
    uint32_t   ls_name;
    uint32_t   ms_name;
    uint32_t   ls_wwn;
    uint32_t   ms_wwn;
    uint16_t   loop_id;
    uint8_t    port_id[3];
}device_data_t;

/*
 * Port Database structure definition
 * Little endian except where noted.
 */
#define	PORT_DATABASE_SIZE	128	/* bytes */
typedef struct {
	uint8_t options;
	uint8_t control;
	uint8_t master_state;
	uint8_t slave_state;
#define	PD_STATE_DISCOVERY			0
#define	PD_STATE_WAIT_DISCOVERY_ACK		1
#define	PD_STATE_PORT_LOGIN			2
#define	PD_STATE_WAIT_PORT_LOGIN_ACK		3
#define	PD_STATE_PROCESS_LOGIN			4
#define	PD_STATE_WAIT_PROCESS_LOGIN_ACK		5
#define	PD_STATE_PORT_LOGGED_IN			6
#define	PD_STATE_PORT_UNAVAILABLE		7
#define	PD_STATE_PROCESS_LOGOUT			8
#define	PD_STATE_WAIT_PROCESS_LOGOUT_ACK	9
#define	PD_STATE_PORT_LOGOUT			10
#define	PD_STATE_WAIT_PORT_LOGOUT_ACK		11
	uint8_t reserved[2];
	uint8_t hard_address;
	uint8_t reserved_1;
	uint8_t port_id[4];
	uint8_t node_name[8];			/* Big endian. */
	uint8_t port_name[8];			/* Big endian. */
	uint16_t execution_throttle;
	uint16_t execution_count;
	uint8_t reset_count;
	uint8_t reserved_2;
	uint16_t resource_allocation;
	uint16_t current_allocation;
	uint16_t queue_head;
	uint16_t queue_tail;
	uint16_t transmit_execution_list_next;
	uint16_t transmit_execution_list_previous;
	uint16_t common_features;
	uint16_t total_concurrent_sequences;
	uint16_t RO_by_information_category;
	uint8_t recipient;
	uint8_t initiator;
	uint16_t receive_data_size;
	uint16_t concurrent_sequences;
	uint16_t open_sequences_per_exchange;
	uint16_t lun_abort_flags;
	uint16_t lun_stop_flags;
	uint16_t stop_queue_head;
	uint16_t stop_queue_tail;
	uint16_t port_retry_timer;
	uint16_t next_sequence_id;
	uint16_t frame_count;
	uint16_t PRLI_payload_length;
	uint8_t prli_svc_param_word_0[2];	/* Big endian */
						/* Bits 15-0 of word 0 */
	uint8_t prli_svc_param_word_3[2];	/* Big endian */
						/* Bits 15-0 of word 3 */
	uint16_t loop_id;
	uint16_t extended_lun_info_list_pointer;
	uint16_t extended_lun_stop_list_pointer;
} port_database_t;



/*
 * Registered State Change Notification structures.
 */
typedef struct {
	port_id_t d_id; 
	uint8_t format;
} rscn_t;



#ifdef FC_IP_SUPPORT
/*
 * Definitions for IP support 
 */
#define LOOP_ID_MASK            0x00FF
#define PLE_NOT_SCSI_DEVICE     0x8000  /* Upper bit of loop ID set if not SCSI */

/* Firmware IP initialization control block definitions */
typedef struct  _IPInitBlock
{
    uint8_t     cVersion;
    uint8_t	    cReserved1;
    uint16_t	wIpFirmwareOptions;
    uint16_t	wIpHeaderSize;
    uint16_t	wIpMTUSize;
    uint16_t	wIpBufferSize;
    uint16_t	wReserved2;
    uint16_t	wReserved3;
    uint16_t	wReserved4;
    uint16_t	wReserved5;
    uint16_t	wIpQueueSize;
    uint16_t	wIpLowWaterMark;
    uint16_t	wIpQueueAddr[4];
    uint16_t	wIpQueueInPointer;
    uint16_t	wIpFastPostCount;
    uint16_t	wIpBufferContainerCount;
    uint16_t	wIpIocbResourceAllocation;
} IP_INIT_BLOCK, *PIP_INIT_BLOCK;

#define IPIB_VERSION                    0x01
#define IPIB_LOW_WATER_MARK             0
#define IPIB_FAST_POST_COUNT            4
#define IPIB_BUFFER_CONTAINER_COUNT     64
#define IPIB_IOCB_RESERVE_COUNT         250

/* IP firmware options */
#define IPIB_OPTION_64BIT_ADDRESSING            0x0001
#define IPIB_OPTION_NO_BROADCAST_FASTPOST       0x0002
#define IPIB_OPTION_OUT_OF_BUFFERS_EVENT        0x0004

/* IP device data structure */
typedef struct _IpDeviceBlock
{
    uint32_t    lDeviceFlags;       
    uint16_t    wLoopId;            
    uint16_t    wUnused1;
    uint8_t     acWorldWideName[8]; 
    uint8_t     acPortId[3];        
    uint8_t     cUnused2;
    struct _IpDeviceBlock *pNextIpDevice;      
    struct _IpDeviceBlock *pLastIpDevice;      
    uint32_t    lUnused3;
} IP_DEVICE_BLOCK, *PIP_DEVICE_BLOCK;

#define IP_DEV_FLAG_PRESENT         0x00000001 
#define IP_DEV_FLAG_PUBLIC_DEVICE   0x00000002

#define PUBLIC_LOOP_DEVICE          ((uint16_t)-1)

/* Maximum number of IP connections */
#define QLLAN_MAX_IP_DEVICES        64

/* IP IOCB types */
#define ET_IP_COMMAND_32            0x13
#define ET_IP_COMMAND_64            0x1B
#define ET_IP_RECEIVE               0x23
#define ET_IP_RECEIVE_CONTINUATION  0x2B
#define ET_IP_FARP_REQUEST          0x30

/* Data segment descriptor structures */
typedef struct
{
    uint32_t    lBase;
    uint32_t    lCount;
} DATA_SEG;

typedef struct
{
    uint32_t    lBase[2];
    uint32_t    lCount;
} DATA_SEG_A64;

/* IP Command IOCB structure */
typedef struct  _IpCommandEntry
{
    uint32_t    lHeader;
    uint32_t    lHandle;
    uint8_t     cReserved1;
    uint8_t     cLoopId;
    uint16_t    wCompletionStatus;
    uint16_t    wControlFlags;
    uint16_t    wReserved2;
    uint16_t    wTimeout;
    uint16_t    wSegmentCount;
    uint16_t    wServiceClass;
    uint16_t    wReserved3[7];
    uint32_t    lTotalByteCount;
    union
    {
        DATA_SEG        asDataSeg[3];
        DATA_SEG_A64    asDataSeg64[2];
    } ds;
} IP_COMMAND_ENTRY, *PIP_COMMAND_ENTRY;

/* IP Receive IOCB structure */
#define IP_RECEIVE_ENTRY_MAX_HANDLES    24
typedef struct  _IpReceiveEntry
{
    uint8_t     cEntryType;
    uint8_t     cEntryCount;
    uint8_t     cSegmentCount;
    uint8_t     cEntryStatus;
    uint16_t    wS_IDLow;
    uint8_t     cS_IDHigh;
    uint8_t     cReserved1;
    uint8_t     cReserved2;
    uint8_t     cLoopId;
    uint16_t    wCompletionStatus;
    uint16_t    wServiceClass;
    uint16_t    wSequenseLength;
    uint16_t    waBufferHandle[IP_RECEIVE_ENTRY_MAX_HANDLES];
} IP_RECEIVE_ENTRY, *PIP_RECEIVE_ENTRY;

/* IP Receive IOCB completion status bits */
#define IP_REC_STATUS_SPLIT_BUFFER              0x0001

/* IP FARP Request IOCB structure */
typedef struct  _IpFarpRequestEntry
{
    uint8_t     cEntryType;
    uint8_t     cEntryCount;
    uint8_t     cReserved1;
    uint8_t     cEntryStatus;
    uint16_t    wRequesterPortIdLow;
    uint8_t     cRequesterPortIdHigh;
    uint8_t     cReserved2;
    uint8_t     acRequesterPortName[8];
} IP_FARP_REQUEST_ENTRY, *PIP_FARP_REQUEST_ENTRY;

/* IP mailbox commands */
#define MBC_INITIALIZE_IP               0x0077
#define MBC_SEND_FARP_REQUEST           0x0078

/* Fabric login mailbox command option bits */
#define MBC_NO_PLOGI_IF_LOGGED_IN       0x01
#define MBC_NO_PROCESS_LOGIN            0x02

/* Mailbox command completion status */
#define MBS_PORT_ID_IN_USE              0x4007
#define MBS_LOOP_ID_IN_USE              0x4008
#define MBS_ALL_LOOP_IDS_IN_USE         0x4009
#define MBS_NAME_SERVER_NOT_LOGGED_IN   0x400A

/* IP async events */
#define MBA_IP_TRANSMIT_COMPLETE        0x8022
#define MBA_IP_RECEIVE_COMPLETE         0x8023
#define MBA_IP_BROADCAST_RECEIVED       0x8024
#define MBA_IP_RECEIVE_BUFFERS_LOW      0x8025
#define MBA_IP_OUT_OF_BUFFERS           0x8026
#define MBA_IP_RECEIVE_COMPLETE_SPLIT   0x8027

/* FARP request payload structure */
typedef struct  _IpSendFarpPayload
{
    uint8_t     cMatchAddressCode;
    uint8_t     acReserved1[3];
    uint8_t     cResponderFlags;
    uint8_t     acReserved2[3];
    uint8_t     acRequesterPortName[8];
    uint8_t     acRequesterNodeName[8];
    uint8_t     acResponderPortName[8];
    uint8_t     acResponderNodeName[8];
} IP_SEND_FARP_PAYLOAD, *PIP_SEND_FARP_PAYLOAD;

#define IP_FARP_MATCH_PORTNAME  0x01
#define IP_FARP_REQUEST_LOGIN   0x01

#endif /* FC_IP_SUPPORT */

/*
 * Linux Host Adapter structure
 */
typedef struct scsi_qla_host
{
    /* ISP ring lock, rings, and indexes */
    request_t       req[REQUEST_ENTRY_CNT+1];
    response_t      res[RESPONSE_ENTRY_CNT+1];
    /* Linux adapter configuration data */
    struct Scsi_Host *host;             /* pointer to host data */
    struct scsi_qla_host   *next;
    device_reg_t     *iobase;           /* Base Memory-mapped I/O address */
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,1,95)
    struct pci_dev   *pdev;
#endif
    uint8_t          pci_bus;
    uint8_t          pci_device_fn;
    uint8_t          devnum;
    volatile unsigned char  *mmpbase;      /* memory mapped address */
    unsigned long            host_no;
    unsigned long            instance;
    uint8_t           revision;
    uint8_t           ports;
    unsigned long            actthreads;
    unsigned long            qthreads;
    unsigned long            isr_count;        /* Interrupt count */
    unsigned long            spurious_int;
    uint32_t         device_id;
 
    /* ISP connection configuration data */
	uint16_t         max_public_loop_ids;
    uint16_t         min_external_loopid; /* First external loop Id */
    uint8_t          current_topology; /* Current ISP configuration */
    uint8_t          prev_topology;    /* Previous ISP configuration */
                     #define ISP_CFG_NL     1
                     #define ISP_CFG_N      2
                     #define ISP_CFG_FL     4
                     #define ISP_CFG_F      8
    uint8_t         id;                 /* Host adapter SCSI id */
    uint16_t        loop_id;       /* Host adapter loop id */
    uint8_t         port_id[3];     /* Host adapter port id */
    uint8_t         operating_mode;  /* current F/W operating mode */
	                                  /* 0 - LOOP, 1 - P2P, 2 - LOOP_P2P, 3 - P2P_LOOP  */

    /* NVRAM configuration data */
    uint16_t        loop_reset_delay;   /* Loop reset delay. */
    uint16_t        hiwat;              /* High water mark per device. */
    uint16_t        execution_throttle; /* queue depth */ 
    uint16_t        minimum_timeout;    /* Minimum timeout. */
    uint8_t         retry_count;
    uint8_t         login_timeout;
    uint8_t         port_down_retry_count;
    uint8_t         loop_down_timeout;
    uint16_t        max_luns;
    uint16_t        max_targets;

    /* Device TGT/LUN queues. */
    tgt_t           *tgt[MAX_BUSES][MAX_FIBRE_DEVICES];  /* Logical un