lpfc.h

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	struct lpfc_name fc_nodename;	/* fc nodename */
	struct lpfc_name fc_portname;	/* fc portname */

	struct lpfc_work_evt disc_timeout_evt;

	struct timer_list fc_disctmo;	/* Discovery rescue timer */
	uint8_t fc_ns_retry;	/* retries for fabric nameserver */
	uint32_t fc_prli_sent;	/* cntr for outstanding PRLIs */

	spinlock_t work_port_lock;
	uint32_t work_port_events; /* Timeout to be handled  */
#define WORKER_DISC_TMO                0x1	/* vport: Discovery timeout */
#define WORKER_ELS_TMO                 0x2	/* vport: ELS timeout */
#define WORKER_FDMI_TMO                0x4	/* vport: FDMI timeout */

#define WORKER_MBOX_TMO                0x100	/* hba: MBOX timeout */
#define WORKER_HB_TMO                  0x200	/* hba: Heart beat timeout */
#define WORKER_FABRIC_BLOCK_TMO        0x400	/* hba: fabric block timout */
#define WORKER_RAMP_DOWN_QUEUE         0x800	/* hba: Decrease Q depth */
#define WORKER_RAMP_UP_QUEUE           0x1000	/* hba: Increase Q depth */

	struct timer_list fc_fdmitmo;
	struct timer_list els_tmofunc;

	int unreg_vpi_cmpl;

	uint8_t load_flag;
#define FC_LOADING		0x1	/* HBA in process of loading drvr */
#define FC_UNLOADING		0x2	/* HBA in process of unloading drvr */
	char  *vname;		        /* Application assigned name */

	/* Vport Config Parameters */
	uint32_t cfg_scan_down;
	uint32_t cfg_lun_queue_depth;
	uint32_t cfg_nodev_tmo;
	uint32_t cfg_devloss_tmo;
	uint32_t cfg_restrict_login;
	uint32_t cfg_peer_port_login;
	uint32_t cfg_fcp_class;
	uint32_t cfg_use_adisc;
	uint32_t cfg_fdmi_on;
	uint32_t cfg_discovery_threads;
	uint32_t cfg_log_verbose;
	uint32_t cfg_max_luns;

	uint32_t dev_loss_tmo_changed;

	struct fc_vport *fc_vport;

#ifdef CONFIG_LPFC_DEBUG_FS
	struct dentry *debug_disc_trc;
	struct dentry *debug_nodelist;
	struct dentry *vport_debugfs_root;
	struct lpfc_debugfs_trc *disc_trc;
	atomic_t disc_trc_cnt;
#endif
};

struct hbq_s {
	uint16_t entry_count;	  /* Current number of HBQ slots */
	uint32_t next_hbqPutIdx;  /* Index to next HBQ slot to use */
	uint32_t hbqPutIdx;	  /* HBQ slot to use */
	uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
	void    *hbq_virt;	  /* Virtual ptr to this hbq */
	struct list_head hbq_buffer_list;  /* buffers assigned to this HBQ */
				  /* Callback for HBQ buffer allocation */
	struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);
				  /* Callback for HBQ buffer free */
	void               (*hbq_free_buffer) (struct lpfc_hba *,
					       struct hbq_dmabuf *);
};

#define LPFC_MAX_HBQS  4
/* this matches the position in the lpfc_hbq_defs array */
#define LPFC_ELS_HBQ	0
#define LPFC_EXTRA_HBQ	1

struct lpfc_hba {
	struct lpfc_sli sli;
	uint32_t sli_rev;		/* SLI2 or SLI3 */
	uint32_t sli3_options;		/* Mask of enabled SLI3 options */
#define LPFC_SLI3_ENABLED	 0x01
#define LPFC_SLI3_HBQ_ENABLED	 0x02
#define LPFC_SLI3_NPIV_ENABLED	 0x04
#define LPFC_SLI3_VPORT_TEARDOWN 0x08
	uint32_t iocb_cmd_size;
	uint32_t iocb_rsp_size;

	enum hba_state link_state;
	uint32_t link_flag;	/* link state flags */
#define LS_LOOPBACK_MODE      0x1	/* NPort is in Loopback mode */
					/* This flag is set while issuing */
					/* INIT_LINK mailbox command */
#define LS_NPIV_FAB_SUPPORTED 0x2	/* Fabric supports NPIV */
#define LS_IGNORE_ERATT       0x3	/* intr handler should ignore ERATT */

	struct lpfc_sli2_slim *slim2p;
	struct lpfc_dmabuf hbqslimp;

	dma_addr_t slim2p_mapping;

	uint16_t pci_cfg_value;

	uint8_t work_found;
#define LPFC_MAX_WORKER_ITERATION  4

	uint8_t fc_linkspeed;	/* Link speed after last READ_LA */

	uint32_t fc_eventTag;	/* event tag for link attention */


	struct timer_list fc_estabtmo;	/* link establishment timer */
	/* These fields used to be binfo */
	uint32_t fc_pref_DID;	/* preferred D_ID */
	uint8_t  fc_pref_ALPA;	/* preferred AL_PA */
	uint32_t fc_edtov;	/* E_D_TOV timer value */
	uint32_t fc_arbtov;	/* ARB_TOV timer value */
	uint32_t fc_ratov;	/* R_A_TOV timer value */
	uint32_t fc_rttov;	/* R_T_TOV timer value */
	uint32_t fc_altov;	/* AL_TOV timer value */
	uint32_t fc_crtov;	/* C_R_TOV timer value */
	uint32_t fc_citov;	/* C_I_TOV timer value */

	struct serv_parm fc_fabparam;	/* fabric service parameters buffer */
	uint8_t alpa_map[128];	/* AL_PA map from READ_LA */

	uint32_t lmt;

	uint32_t fc_topology;	/* link topology, from LINK INIT */

	struct lpfc_stats fc_stat;

	struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
	uint32_t nport_event_cnt;	/* timestamp for nlplist entry */

	uint8_t  wwnn[8];
	uint8_t  wwpn[8];
	uint32_t RandomData[7];

	/* HBA Config Parameters */
	uint32_t cfg_ack0;
	uint32_t cfg_enable_npiv;
	uint32_t cfg_topology;
	uint32_t cfg_link_speed;
	uint32_t cfg_cr_delay;
	uint32_t cfg_cr_count;
	uint32_t cfg_multi_ring_support;
	uint32_t cfg_multi_ring_rctl;
	uint32_t cfg_multi_ring_type;
	uint32_t cfg_poll;
	uint32_t cfg_poll_tmo;
	uint32_t cfg_use_msi;
	uint32_t cfg_sg_seg_cnt;
	uint32_t cfg_sg_dma_buf_size;
	uint64_t cfg_soft_wwnn;
	uint64_t cfg_soft_wwpn;
	uint32_t cfg_hba_queue_depth;


	lpfc_vpd_t vpd;		/* vital product data */

	struct pci_dev *pcidev;
	struct list_head      work_list;
	uint32_t              work_ha;      /* Host Attention Bits for WT */
	uint32_t              work_ha_mask; /* HA Bits owned by WT        */
	uint32_t              work_hs;      /* HS stored in case of ERRAT */
	uint32_t              work_status[2]; /* Extra status from SLIM */

	wait_queue_head_t    *work_wait;
	struct task_struct   *worker_thread;

	uint32_t hbq_count;	        /* Count of configured HBQs */
	struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies  */

	unsigned long pci_bar0_map;     /* Physical address for PCI BAR0 */
	unsigned long pci_bar2_map;     /* Physical address for PCI BAR2 */
	void __iomem *slim_memmap_p;	/* Kernel memory mapped address for
					   PCI BAR0 */
	void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
					    PCI BAR2 */

	void __iomem *MBslimaddr;	/* virtual address for mbox cmds */
	void __iomem *HAregaddr;	/* virtual address for host attn reg */
	void __iomem *CAregaddr;	/* virtual address for chip attn reg */
	void __iomem *HSregaddr;	/* virtual address for host status
					   reg */
	void __iomem *HCregaddr;	/* virtual address for host ctl reg */

	struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
	uint32_t __iomem  *hbq_put;     /* Address in SLIM to HBQ put ptrs */
	uint32_t          *hbq_get;     /* Host mem address of HBQ get ptrs */

	int brd_no;			/* FC board number */

	char SerialNumber[32];		/* adapter Serial Number */
	char OptionROMVersion[32];	/* adapter BIOS / Fcode version */
	char ModelDesc[256];		/* Model Description */
	char ModelName[80];		/* Model Name */
	char ProgramType[256];		/* Program Type */
	char Port[20];			/* Port No */
	uint8_t vpd_flag;               /* VPD data flag */

#define VPD_MODEL_DESC      0x1         /* valid vpd model description */
#define VPD_MODEL_NAME      0x2         /* valid vpd model name */
#define VPD_PROGRAM_TYPE    0x4         /* valid vpd program type */
#define VPD_PORT            0x8         /* valid vpd port data */
#define VPD_MASK            0xf         /* mask for any vpd data */

	uint8_t soft_wwn_enable;

	struct timer_list fcp_poll_timer;

	/*
	 * stat  counters
	 */
	uint64_t fc4InputRequests;
	uint64_t fc4OutputRequests;
	uint64_t fc4ControlRequests;

	struct lpfc_sysfs_mbox sysfs_mbox;

	/* fastpath list. */
	spinlock_t scsi_buf_list_lock;
	struct list_head lpfc_scsi_buf_list;
	uint32_t total_scsi_bufs;
	struct list_head lpfc_iocb_list;
	uint32_t total_iocbq_bufs;
	spinlock_t hbalock;

	/* pci_mem_pools */
	struct pci_pool *lpfc_scsi_dma_buf_pool;
	struct pci_pool *lpfc_mbuf_pool;
	struct pci_pool *lpfc_hbq_pool;
	struct lpfc_dma_pool lpfc_mbuf_safety_pool;

	mempool_t *mbox_mem_pool;
	mempool_t *nlp_mem_pool;

	struct fc_host_statistics link_stats;
	uint8_t using_msi;

	struct list_head port_list;
	struct lpfc_vport *pport;	/* physical lpfc_vport pointer */
	uint16_t max_vpi;		/* Maximum virtual nports */
#define LPFC_MAX_VPI 100		/* Max number of VPI supported */
#define LPFC_MAX_VPORTS (LPFC_MAX_VPI+1)/* Max number of VPorts supported */
	unsigned long *vpi_bmask;	/* vpi allocation table */

	/* Data structure used by fabric iocb scheduler */
	struct list_head fabric_iocb_list;
	atomic_t fabric_iocb_count;
	struct timer_list fabric_block_timer;
	unsigned long bit_flags;
#define	FABRIC_COMANDS_BLOCKED	0
	atomic_t num_rsrc_err;
	atomic_t num_cmd_success;
	unsigned long last_rsrc_error_time;
	unsigned long last_ramp_down_time;
	unsigned long last_ramp_up_time;
#ifdef CONFIG_LPFC_DEBUG_FS
	struct dentry *hba_debugfs_root;
	atomic_t debugfs_vport_count;
	struct dentry *debug_hbqinfo;
	struct dentry *debug_dumpslim;
	struct dentry *debug_slow_ring_trc;
	struct lpfc_debugfs_trc *slow_ring_trc;
	atomic_t slow_ring_trc_cnt;
#endif

	/* Fields used for heart beat. */
	unsigned long last_completion_time;
	struct timer_list hb_tmofunc;
	uint8_t hb_outstanding;
};

static inline struct Scsi_Host *
lpfc_shost_from_vport(struct lpfc_vport *vport)
{
	return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
}

static inline void
lpfc_set_loopback_flag(struct lpfc_hba *phba)
{
	if (phba->cfg_topology == FLAGS_LOCAL_LB)
		phba->link_flag |= LS_LOOPBACK_MODE;
	else
		phba->link_flag &= ~LS_LOOPBACK_MODE;
}

static inline int
lpfc_is_link_up(struct lpfc_hba *phba)
{
	return  phba->link_state == LPFC_LINK_UP ||
		phba->link_state == LPFC_CLEAR_LA ||
		phba->link_state == LPFC_HBA_READY;
}

#define FC_REG_DUMP_EVENT	0x10	/* Register for Dump events */