qla_def.h

h内核

#define CS_QUEUE_FULL		0x1C	/* Queue Full. */
#define CS_PORT_UNAVAILABLE	0x28	/* Port unavailable */
					/* (selection timeout) */
#define CS_PORT_LOGGED_OUT	0x29	/* Port Logged Out */
#define CS_PORT_CONFIG_CHG	0x2A	/* Port Configuration Changed */
#define CS_PORT_BUSY		0x2B	/* Port Busy */
#define CS_COMPLETE_CHKCOND	0x30	/* Error? */
#define CS_BAD_PAYLOAD		0x80	/* Driver defined */
#define CS_UNKNOWN		0x81	/* Driver defined */
#define CS_RETRY		0x82	/* Driver defined */
#define CS_LOOP_DOWN_ABORT	0x83	/* Driver defined */

/*
 * Status entry status flags
 */
#define SF_ABTS_TERMINATED	BIT_10
#define SF_LOGOUT_SENT		BIT_13

/*
 * ISP queue - status continuation entry structure definition.
 */
#define	STATUS_CONT_TYPE	0x10	/* Status continuation entry. */
typedef struct {
	uint8_t entry_type;		/* Entry type. */
	uint8_t entry_count;		/* Entry count. */
	uint8_t sys_define;		/* System defined. */
	uint8_t entry_status;		/* Entry Status. */
	uint8_t data[60];		/* data */
} sts_cont_entry_t;

/*
 * ISP queue -	RIO Type 1 status entry (32 bit I/O entry handles)
 *		structure definition.
 */
#define	STATUS_TYPE_21 0x21		/* Status entry. */
typedef struct {
	uint8_t entry_type;		/* Entry type. */
	uint8_t entry_count;		/* Entry count. */
	uint8_t handle_count;		/* Handle count. */
	uint8_t entry_status;		/* Entry Status. */
	uint32_t handle[15];		/* System handles. */
} sts21_entry_t;

/*
 * ISP queue -	RIO Type 2 status entry (16 bit I/O entry handles)
 *		structure definition.
 */
#define	STATUS_TYPE_22	0x22		/* Status entry. */
typedef struct {
	uint8_t entry_type;		/* Entry type. */
	uint8_t entry_count;		/* Entry count. */
	uint8_t handle_count;		/* Handle count. */
	uint8_t entry_status;		/* Entry Status. */
	uint16_t handle[30];		/* System handles. */
} sts22_entry_t;

/*
 * ISP queue - marker entry structure definition.
 */
#define MARKER_TYPE	0x04		/* Marker entry. */
typedef struct {
	uint8_t entry_type;		/* Entry type. */
	uint8_t entry_count;		/* Entry count. */
	uint8_t handle_count;		/* Handle count. */
	uint8_t entry_status;		/* Entry Status. */
	uint32_t sys_define_2;		/* System defined. */
	target_id_t target;		/* SCSI ID */
	uint8_t modifier;		/* Modifier (7-0). */
#define MK_SYNC_ID_LUN	0		/* Synchronize ID/LUN */
#define MK_SYNC_ID	1		/* Synchronize ID */
#define MK_SYNC_ALL	2		/* Synchronize all ID/LUN */
#define MK_SYNC_LIP	3		/* Synchronize all ID/LUN, */
					/* clear port changed, */
					/* use sequence number. */
	uint8_t reserved_1;
	uint16_t sequence_number;	/* Sequence number of event */
	uint16_t lun;			/* SCSI LUN */
	uint8_t reserved_2[48];
} mrk_entry_t;

/*
 * ISP queue - Management Server entry structure definition.
 */
#define MS_IOCB_TYPE		0x29	/* Management Server IOCB entry */
typedef struct {
	uint8_t entry_type;		/* Entry type. */
	uint8_t entry_count;		/* Entry count. */
	uint8_t handle_count;		/* Handle count. */
	uint8_t entry_status;		/* Entry Status. */
	uint32_t handle1;		/* System handle. */
	target_id_t loop_id;
	uint16_t status;
	uint16_t control_flags;		/* Control flags. */
	uint16_t reserved2;
	uint16_t timeout;
	uint16_t cmd_dsd_count;
	uint16_t total_dsd_count;
	uint8_t type;
	uint8_t r_ctl;
	uint16_t rx_id;
	uint16_t reserved3;
	uint32_t handle2;
	uint32_t rsp_bytecount;
	uint32_t req_bytecount;
	uint32_t dseg_req_address[2];	/* Data segment 0 address. */
	uint32_t dseg_req_length;	/* Data segment 0 length. */
	uint32_t dseg_rsp_address[2];	/* Data segment 1 address. */
	uint32_t dseg_rsp_length;	/* Data segment 1 length. */
} ms_iocb_entry_t;


/*
 * ISP queue - Mailbox Command entry structure definition.
 */
#define MBX_IOCB_TYPE	0x39
struct mbx_entry {
	uint8_t entry_type;
	uint8_t entry_count;
	uint8_t sys_define1;
	/* Use sys_define1 for source type */
#define SOURCE_SCSI	0x00
#define SOURCE_IP	0x01
#define SOURCE_VI	0x02
#define SOURCE_SCTP	0x03
#define SOURCE_MP	0x04
#define SOURCE_MPIOCTL	0x05
#define SOURCE_ASYNC_IOCB 0x07

	uint8_t entry_status;

	uint32_t handle;
	target_id_t loop_id;

	uint16_t status;
	uint16_t state_flags;
	uint16_t status_flags;

	uint32_t sys_define2[2];

	uint16_t mb0;
	uint16_t mb1;
	uint16_t mb2;
	uint16_t mb3;
	uint16_t mb6;
	uint16_t mb7;
	uint16_t mb9;
	uint16_t mb10;
	uint32_t reserved_2[2];
	uint8_t node_name[WWN_SIZE];
	uint8_t port_name[WWN_SIZE];
};

/*
 * ISP request and response queue entry sizes
 */
#define RESPONSE_ENTRY_SIZE	(sizeof(response_t))
#define REQUEST_ENTRY_SIZE	(sizeof(request_t))


/*
 * 24 bit port ID type definition.
 */
typedef union {
	uint32_t b24 : 24;

	struct {
		uint8_t d_id[3];
		uint8_t rsvd_1;
	} r;

	struct {
		uint8_t al_pa;
		uint8_t area;
		uint8_t domain;
		uint8_t rsvd_1;
	} b;
} port_id_t;
#define INVALID_PORT_ID	0xFFFFFF

/*
 * Switch info gathering structure.
 */
typedef struct {
	port_id_t d_id;
	uint8_t node_name[WWN_SIZE];
	uint8_t port_name[WWN_SIZE];
	uint32_t type;
#define SW_TYPE_IP	BIT_1
#define SW_TYPE_SCSI	BIT_0
} sw_info_t;

/*
 * Inquiry command structure.
 */
#define INQ_DATA_SIZE	36

/*
 * Inquiry mailbox IOCB packet definition.
 */
typedef struct {
	union {
		cmd_a64_entry_t cmd;
		sts_entry_t rsp;
	} p;
	uint8_t inq[INQ_DATA_SIZE];
} inq_cmd_rsp_t;

/*
 * Report LUN command structure.
 */
#define CHAR_TO_SHORT(a, b)	(uint16_t)((uint8_t)b << 8 | (uint8_t)a)

typedef struct {
	uint32_t len;
	uint32_t rsrv;
} rpt_hdr_t;

typedef struct {
	struct {
		uint8_t b : 6;
		uint8_t address_method : 2;
	} msb;
	uint8_t lsb;
	uint8_t unused[6];
} rpt_lun_t;

typedef struct {
	rpt_hdr_t hdr;
	rpt_lun_t lst[MAX_LUNS];
} rpt_lun_lst_t;

/*
 * Report Lun mailbox IOCB packet definition.
 */
typedef struct {
	union {
		cmd_a64_entry_t cmd;
		sts_entry_t rsp;
	} p;
	rpt_lun_lst_t list;
} rpt_lun_cmd_rsp_t;

/*
 * SCSI Target Queue structure
 */
typedef struct os_tgt {
	struct os_lun *olun[MAX_LUNS]; /* LUN context pointer. */
	struct fc_port *fcport;
	unsigned long flags;
	uint8_t port_down_retry_count;
    	uint32_t down_timer;
	struct scsi_qla_host *ha;

	/* Persistent binding information */
	port_id_t d_id;
	uint8_t node_name[WWN_SIZE];
	uint8_t port_name[WWN_SIZE];
} os_tgt_t;

/*
 * SCSI Target Queue flags
 */
#define TQF_ONLINE		0		/* Device online to OS. */
#define TQF_SUSPENDED		1
#define TQF_RETRY_CMDS		2

/*
 * SCSI LUN Queue structure
 */
typedef struct os_lun {
	struct fc_lun *fclun;		/* FC LUN context pointer. */
    	spinlock_t q_lock;		/* Lun Lock */

	unsigned long q_flag;
#define LUN_MPIO_RESET_CNTS	1	/* Lun */
#define LUN_MPIO_BUSY		2	/* Lun is changing paths  */
#define LUN_EXEC_DELAYED	7	/* Lun execution is delayed */

	u_long q_timeout;		/* total command timeouts */
	atomic_t q_timer;		/* suspend timer */
	uint32_t q_count;		/* current count */
	uint32_t q_max;			/* maxmum count lun can be suspended */
	uint8_t q_state;		/* lun State */
#define LUN_STATE_READY		1	/* lun is ready for i/o */
#define LUN_STATE_RUN		2	/* lun has a timer running */
#define LUN_STATE_WAIT		3	/* lun is suspended */
#define LUN_STATE_TIMEOUT	4	/* lun has timed out */

	u_long io_cnt;			/* total xfer count since boot */
	u_long out_cnt;			/* total outstanding IO count */
	u_long w_cnt;			/* total writes */
	u_long r_cnt;			/* total reads */
	u_long avg_time;		/*  */
} os_lun_t;


/* LUN BitMask structure definition, array of 32bit words,
 * 1 bit per lun.  When bit == 1, the lun is masked.
 * Most significant bit of mask[0] is lun 0, bit 24 is lun 7.
 */
typedef struct lun_bit_mask {
	/* Must allocate at least enough bits to accomodate all LUNs */
#if ((MAX_FIBRE_LUNS & 0x7) == 0)
	uint8_t mask[MAX_FIBRE_LUNS >> 3];
#else
	uint8_t mask[(MAX_FIBRE_LUNS + 8) >> 3];
#endif
} lun_bit_mask_t;

/*
 * Fibre channel port type.
 */
 typedef enum {
	FCT_UNKNOWN,
	FCT_RSCN,
	FCT_SWITCH,
	FCT_BROADCAST,
	FCT_INITIATOR,
	FCT_TARGET
} fc_port_type_t;

/*
 * Fibre channel port structure.
 */
typedef struct fc_port {
	struct list_head list;
	struct list_head fcluns;

	struct scsi_qla_host *ha;
	struct scsi_qla_host *vis_ha;	/* only used when suspending lun */

	uint8_t node_name[WWN_SIZE];
	uint8_t port_name[WWN_SIZE];
	port_id_t d_id;
	uint16_t loop_id;
	uint16_t old_loop_id;

	fc_port_type_t port_type;

	atomic_t state;
	uint32_t flags;

	os_tgt_t *tgt_queue;
	uint16_t os_target_id;

	uint16_t iodesc_idx_sent;

	int port_login_retry_count;
	int login_retry;
	atomic_t port_down_timer;

	uint8_t device_type;
	uint8_t unused;

	uint8_t mp_byte;		/* multi-path byte (not used) */
    	uint8_t cur_path;		/* current path id */

	lun_bit_mask_t lun_mask;
} fc_port_t;

/*
 * Fibre channel port/lun states.
 */
#define FCS_UNCONFIGURED	1
#define FCS_DEVICE_DEAD		2
#define FCS_DEVICE_LOST		3
#define FCS_ONLINE		4
#define FCS_NOT_SUPPORTED	5
#define FCS_FAILOVER		6
#define FCS_FAILOVER_FAILED	7

/*
 * FC port flags.
 */
#define FCF_FABRIC_DEVICE	BIT_0
#define FCF_LOGIN_NEEDED	BIT_1
#define FCF_FO_MASKED		BIT_2
#define FCF_FAILOVER_NEEDED	BIT_3
#define FCF_RESET_NEEDED	BIT_4
#define FCF_PERSISTENT_BOUND	BIT_5
#define FCF_TAPE_PRESENT	BIT_6
#define FCF_FARP_DONE		BIT_7
#define FCF_FARP_FAILED		BIT_8
#define FCF_FARP_REPLY_NEEDED	BIT_9
#define FCF_AUTH_REQ		BIT_10
#define FCF_SEND_AUTH_REQ	BIT_11
#define FCF_RECEIVE_AUTH_REQ	BIT_12
#define FCF_AUTH_SUCCESS	BIT_13
#define FCF_RLC_SUPPORT		BIT_14
#define FCF_CONFIG		BIT_15	/* Needed? */
#define FCF_RESCAN_NEEDED	BIT_16
#define FCF_XP_DEVICE		BIT_17
#define FCF_MSA_DEVICE		BIT_18
#define FCF_EVA_DEVICE		BIT_19
#define FCF_MSA_PORT_ACTIVE	BIT_20
#define FCF_FAILBACK_DISABLE	BIT_21
#define FCF_FAILOVER_DISABLE	BIT_22
#define FCF_DSXXX_DEVICE	BIT_23
#define FCF_AA_EVA_DEVICE	BIT_24

/* No loop ID flag. */
#define FC_NO_LOOP_ID		0x1000

/*
 * Fibre channel LUN structure.
 */
typedef struct fc_lun {
        struct list_head list;

	fc_port_t *fcport;
	fc_port_t *o_fcport;
	uint16_t lun;
	atomic_t state;
	uint8_t device_type;

	uint8_t max_path_retries;
	uint32_t flags;
} fc_lun_t;

#define	FLF_VISIBLE_LUN		BIT_0
#define	FLF_ACTIVE_LUN		BIT_1

/*
 * FC-CT interface
 *
 * NOTE: All structures are big-endian in form.
 */

#define CT_REJECT_RESPONSE	0x8001
#define CT_ACCEPT_RESPONSE	0x8002

#define NS_N_PORT_TYPE	0x01
#define NS_NL_PORT_TYPE	0x02
#define NS_NX_PORT_TYPE	0x7F

#define	GA_NXT_CMD	0x100
#define	GA_NXT_REQ_SIZE	(16 + 4)
#define	GA_NXT_RSP_SIZE	(16 + 620)

#define	GID_PT_CMD	0x1A1
#define	GID_PT_REQ_SIZE	(16 + 4)
#define	GID_PT_RSP_SIZE	(16 + (MAX_FIBRE_DEVICES * 4))

#define	GPN_ID_CMD	0x112
#define	GPN_ID_REQ_SIZE	(16 + 4)
#define	GPN_ID_RSP_SIZE	(16 + 8)

#define	GNN_ID_CMD	0x113
#define	GNN_ID_REQ_SIZE	(16 + 4)
#define	GNN_ID_RSP_SIZE	(16 + 8)

#define	GFT_ID_CMD	0x117
#define	GFT_ID_REQ_SIZE	(16 + 4)
#define	GFT_ID_RSP_SIZE	(16 + 32)