Initial import

1 files changed, 1063 insertions, 0 deletions

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
new file mode 100644
index 000000000..9b81a34d7
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -0,0 +1,1063 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for         *
+ * Fibre Channel Host Bus Adapters.                                *
+ * Copyright (C) 2004-2015 Emulex.  All rights reserved.           *
+ * EMULEX and SLI are trademarks of Emulex.                        *
+ * www.emulex.com                                                  *
+ * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
+ *                                                                 *
+ * This program is free software; you can redistribute it and/or   *
+ * modify it under the terms of version 2 of the GNU General       *
+ * Public License as published by the Free Software Foundation.    *
+ * This program is distributed in the hope that it will be useful. *
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
+ * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
+ * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
+ * more details, a copy of which can be found in the file COPYING  *
+ * included with this package.                                     *
+ *******************************************************************/
+
+#include <scsi/scsi_host.h>
+
+#if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS)
+#define CONFIG_SCSI_LPFC_DEBUG_FS
+#endif
+
+struct lpfc_sli2_slim;
+
+#define ELX_MODEL_NAME_SIZE	80
+
+#define LPFC_PCI_DEV_LP		0x1
+#define LPFC_PCI_DEV_OC		0x2
+
+#define LPFC_SLI_REV2		2
+#define LPFC_SLI_REV3		3
+#define LPFC_SLI_REV4		4
+
+#define LPFC_MAX_TARGET		4096	/* max number of targets supported */
+#define LPFC_MAX_DISC_THREADS	64	/* max outstanding discovery els
+					   requests */
+#define LPFC_MAX_NS_RETRY	3	/* Number of retry attempts to contact
+					   the NameServer  before giving up. */
+#define LPFC_CMD_PER_LUN	3	/* max outstanding cmds per lun */
+#define LPFC_DEFAULT_SG_SEG_CNT 64	/* sg element count per scsi cmnd */
+#define LPFC_DEFAULT_MENLO_SG_SEG_CNT 128	/* sg element count per scsi
+		cmnd for menlo needs nearly twice as for firmware
+		downloads using bsg */
+
+#define LPFC_MIN_SG_SLI4_BUF_SZ	0x800	/* based on LPFC_DEFAULT_SG_SEG_CNT */
+#define LPFC_MAX_SG_SLI4_SEG_CNT_DIF 128 /* sg element count per scsi cmnd */
+#define LPFC_MAX_SG_SEG_CNT_DIF 512	/* sg element count per scsi cmnd  */
+#define LPFC_MAX_SG_SEG_CNT	4096	/* sg element count per scsi cmnd */
+#define LPFC_MAX_SGL_SEG_CNT	512	/* SGL element count per scsi cmnd */
+#define LPFC_MAX_BPL_SEG_CNT	4096	/* BPL element count per scsi cmnd */
+
+#define LPFC_MAX_SGE_SIZE       0x80000000 /* Maximum data allowed in a SGE */
+#define LPFC_IOCB_LIST_CNT	2250	/* list of IOCBs for fast-path usage. */
+#define LPFC_Q_RAMP_UP_INTERVAL 120     /* lun q_depth ramp up interval */
+#define LPFC_VNAME_LEN		100	/* vport symbolic name length */
+#define LPFC_TGTQ_INTERVAL	40000	/* Min amount of time between tgt
+					   queue depth change in millisecs */
+#define LPFC_TGTQ_RAMPUP_PCENT	5	/* Target queue rampup in percentage */
+#define LPFC_MIN_TGT_QDEPTH	10
+#define LPFC_MAX_TGT_QDEPTH	0xFFFF
+
+#define  LPFC_MAX_BUCKET_COUNT 20	/* Maximum no. of buckets for stat data
+					   collection. */
+/*
+ * Following time intervals are used of adjusting SCSI device
+ * queue depths when there are driver resource error or Firmware
+ * resource error.
+ */
+/* 1 Second */
+#define QUEUE_RAMP_DOWN_INTERVAL	(msecs_to_jiffies(1000 * 1))
+
+/* Number of exchanges reserved for discovery to complete */
+#define LPFC_DISC_IOCB_BUFF_COUNT 20
+
+#define LPFC_HB_MBOX_INTERVAL   5	/* Heart beat interval in seconds. */
+#define LPFC_HB_MBOX_TIMEOUT    30	/* Heart beat timeout  in seconds. */
+
+#define LPFC_LOOK_AHEAD_OFF	0	/* Look ahead logic is turned off */
+
+/* Error Attention event polling interval */
+#define LPFC_ERATT_POLL_INTERVAL	5 /* EATT poll interval in seconds */
+
+/* Define macros for 64 bit support */
+#define putPaddrLow(addr)    ((uint32_t) (0xffffffff & (u64)(addr)))
+#define putPaddrHigh(addr)   ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
+#define getPaddr(high, low)  ((dma_addr_t)( \
+			     (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
+/* Provide maximum configuration definitions. */
+#define LPFC_DRVR_TIMEOUT	16	/* driver iocb timeout value in sec */
+#define FC_MAX_ADPTMSG		64
+
+#define MAX_HBAEVT	32
+
+/* Number of MSI-X vectors the driver uses */
+#define LPFC_MSIX_VECTORS	2
+
+/* lpfc wait event data ready flag */
+#define LPFC_DATA_READY		(1<<0)
+
+/* queue dump line buffer size */
+#define LPFC_LBUF_SZ		128
+
+/* mailbox system shutdown options */
+#define LPFC_MBX_NO_WAIT	0
+#define LPFC_MBX_WAIT		1
+
+enum lpfc_polling_flags {
+	ENABLE_FCP_RING_POLLING = 0x1,
+	DISABLE_FCP_RING_INT    = 0x2
+};
+
+/* Provide DMA memory definitions the driver uses per port instance. */
+struct lpfc_dmabuf {
+	struct list_head list;
+	void *virt;		/* virtual address ptr */
+	dma_addr_t phys;	/* mapped address */
+	uint32_t   buffer_tag;	/* used for tagged queue ring */
+};
+
+struct lpfc_dma_pool {
+	struct lpfc_dmabuf   *elements;
+	uint32_t    max_count;
+	uint32_t    current_count;
+};
+
+struct hbq_dmabuf {
+	struct lpfc_dmabuf hbuf;
+	struct lpfc_dmabuf dbuf;
+	uint32_t size;
+	uint32_t tag;
+	struct lpfc_cq_event cq_event;
+	unsigned long time_stamp;
+};
+
+/* Priority bit.  Set value to exceed low water mark in lpfc_mem. */
+#define MEM_PRI		0x100
+
+
+/****************************************************************************/
+/*      Device VPD save area                                                */
+/****************************************************************************/
+typedef struct lpfc_vpd {
+	uint32_t status;	/* vpd status value */
+	uint32_t length;	/* number of bytes actually returned */
+	struct {
+		uint32_t rsvd1;	/* Revision numbers */
+		uint32_t biuRev;
+		uint32_t smRev;
+		uint32_t smFwRev;
+		uint32_t endecRev;
+		uint16_t rBit;
+		uint8_t fcphHigh;
+		uint8_t fcphLow;
+		uint8_t feaLevelHigh;
+		uint8_t feaLevelLow;
+		uint32_t postKernRev;
+		uint32_t opFwRev;
+		uint8_t opFwName[16];
+		uint32_t sli1FwRev;
+		uint8_t sli1FwName[16];
+		uint32_t sli2FwRev;
+		uint8_t sli2FwName[16];
+	} rev;
+	struct {
+#ifdef __BIG_ENDIAN_BITFIELD
+		uint32_t rsvd3  :19;  /* Reserved                             */
+		uint32_t cdss	: 1;  /* Configure Data Security SLI          */
+		uint32_t rsvd2	: 3;  /* Reserved                             */
+		uint32_t cbg	: 1;  /* Configure BlockGuard                 */
+		uint32_t cmv	: 1;  /* Configure Max VPIs                   */
+		uint32_t ccrp   : 1;  /* Config Command Ring Polling          */
+		uint32_t csah   : 1;  /* Configure Synchronous Abort Handling */
+		uint32_t chbs   : 1;  /* Cofigure Host Backing store          */
+		uint32_t cinb   : 1;  /* Enable Interrupt Notification Block  */
+		uint32_t cerbm	: 1;  /* Configure Enhanced Receive Buf Mgmt  */
+		uint32_t cmx	: 1;  /* Configure Max XRIs                   */
+		uint32_t cmr	: 1;  /* Configure Max RPIs                   */
+#else	/*  __LITTLE_ENDIAN */
+		uint32_t cmr	: 1;  /* Configure Max RPIs                   */
+		uint32_t cmx	: 1;  /* Configure Max XRIs                   */
+		uint32_t cerbm	: 1;  /* Configure Enhanced Receive Buf Mgmt  */
+		uint32_t cinb   : 1;  /* Enable Interrupt Notification Block  */
+		uint32_t chbs   : 1;  /* Cofigure Host Backing store          */
+		uint32_t csah   : 1;  /* Configure Synchronous Abort Handling */
+		uint32_t ccrp   : 1;  /* Config Command Ring Polling          */
+		uint32_t cmv	: 1;  /* Configure Max VPIs                   */
+		uint32_t cbg	: 1;  /* Configure BlockGuard                 */
+		uint32_t rsvd2	: 3;  /* Reserved                             */
+		uint32_t cdss	: 1;  /* Configure Data Security SLI          */
+		uint32_t rsvd3  :19;  /* Reserved                             */
+#endif
+	} sli3Feat;
+} lpfc_vpd_t;
+
+struct lpfc_scsi_buf;
+
+
+/*
+ * lpfc stat counters
+ */
+struct lpfc_stats {
+	/* Statistics for ELS commands */
+	uint32_t elsLogiCol;
+	uint32_t elsRetryExceeded;
+	uint32_t elsXmitRetry;
+	uint32_t elsDelayRetry;
+	uint32_t elsRcvDrop;
+	uint32_t elsRcvFrame;
+	uint32_t elsRcvRSCN;
+	uint32_t elsRcvRNID;
+	uint32_t elsRcvFARP;
+	uint32_t elsRcvFARPR;
+	uint32_t elsRcvFLOGI;
+	uint32_t elsRcvPLOGI;
+	uint32_t elsRcvADISC;
+	uint32_t elsRcvPDISC;
+	uint32_t elsRcvFAN;
+	uint32_t elsRcvLOGO;
+	uint32_t elsRcvPRLO;
+	uint32_t elsRcvPRLI;
+	uint32_t elsRcvLIRR;
+	uint32_t elsRcvRLS;
+	uint32_t elsRcvRPS;
+	uint32_t elsRcvRPL;
+	uint32_t elsRcvRRQ;
+	uint32_t elsRcvRTV;
+	uint32_t elsRcvECHO;
+	uint32_t elsXmitFLOGI;
+	uint32_t elsXmitFDISC;
+	uint32_t elsXmitPLOGI;
+	uint32_t elsXmitPRLI;
+	uint32_t elsXmitADISC;
+	uint32_t elsXmitLOGO;
+	uint32_t elsXmitSCR;
+	uint32_t elsXmitRNID;
+	uint32_t elsXmitFARP;
+	uint32_t elsXmitFARPR;
+	uint32_t elsXmitACC;
+	uint32_t elsXmitLSRJT;
+
+	uint32_t frameRcvBcast;
+	uint32_t frameRcvMulti;
+	uint32_t strayXmitCmpl;
+	uint32_t frameXmitDelay;
+	uint32_t xriCmdCmpl;
+	uint32_t xriStatErr;
+	uint32_t LinkUp;
+	uint32_t LinkDown;
+	uint32_t LinkMultiEvent;
+	uint32_t NoRcvBuf;
+	uint32_t fcpCmd;
+	uint32_t fcpCmpl;
+	uint32_t fcpRspErr;
+	uint32_t fcpRemoteStop;
+	uint32_t fcpPortRjt;
+	uint32_t fcpPortBusy;
+	uint32_t fcpError;
+	uint32_t fcpLocalErr;
+};
+
+struct lpfc_hba;
+
+
+enum discovery_state {
+	LPFC_VPORT_UNKNOWN     =  0,    /* vport state is unknown */
+	LPFC_VPORT_FAILED      =  1,    /* vport has failed */
+	LPFC_LOCAL_CFG_LINK    =  6,    /* local NPORT Id configured */
+	LPFC_FLOGI             =  7,    /* FLOGI sent to Fabric */
+	LPFC_FDISC             =  8,    /* FDISC sent for vport */
+	LPFC_FABRIC_CFG_LINK   =  9,    /* Fabric assigned NPORT Id
+				         * configured */
+	LPFC_NS_REG            =  10,   /* Register with NameServer */
+	LPFC_NS_QRY            =  11,   /* Query NameServer for NPort ID list */
+	LPFC_BUILD_DISC_LIST   =  12,   /* Build ADISC and PLOGI lists for
+				         * device authentication / discovery */
+	LPFC_DISC_AUTH         =  13,   /* Processing ADISC list */
+	LPFC_VPORT_READY       =  32,
+};
+
+enum hba_state {
+	LPFC_LINK_UNKNOWN    =   0,   /* HBA state is unknown */
+	LPFC_WARM_START      =   1,   /* HBA state after selective reset */
+	LPFC_INIT_START      =   2,   /* Initial state after board reset */
+	LPFC_INIT_MBX_CMDS   =   3,   /* Initialize HBA with mbox commands */
+	LPFC_LINK_DOWN       =   4,   /* HBA initialized, link is down */
+	LPFC_LINK_UP         =   5,   /* Link is up  - issue READ_LA */
+	LPFC_CLEAR_LA        =   6,   /* authentication cmplt - issue
+				       * CLEAR_LA */
+	LPFC_HBA_READY       =  32,
+	LPFC_HBA_ERROR       =  -1
+};
+
+struct lpfc_vport {
+	struct lpfc_hba *phba;
+	struct list_head listentry;
+	uint8_t port_type;
+#define LPFC_PHYSICAL_PORT 1
+#define LPFC_NPIV_PORT  2
+#define LPFC_FABRIC_PORT 3
+	enum discovery_state port_state;
+
+	uint16_t vpi;
+	uint16_t vfi;
+	uint8_t vpi_state;
+#define LPFC_VPI_REGISTERED	0x1
+
+	uint32_t fc_flag;	/* FC flags */
+/* Several of these flags are HBA centric and should be moved to
+ * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
+ */
+#define FC_PT2PT                0x1	 /* pt2pt with no fabric */
+#define FC_PT2PT_PLOGI          0x2	 /* pt2pt initiate PLOGI */
+#define FC_DISC_TMO             0x4	 /* Discovery timer running */
+#define FC_PUBLIC_LOOP          0x8	 /* Public loop */
+#define FC_LBIT                 0x10	 /* LOGIN bit in loopinit set */
+#define FC_RSCN_MODE            0x20	 /* RSCN cmd rcv'ed */
+#define FC_NLP_MORE             0x40	 /* More node to process in node tbl */
+#define FC_OFFLINE_MODE         0x80	 /* Interface is offline for diag */
+#define FC_FABRIC               0x100	 /* We are fabric attached */
+#define FC_VPORT_LOGO_RCVD      0x200    /* LOGO received on vport */
+#define FC_RSCN_DISCOVERY       0x400	 /* Auth all devices after RSCN */
+#define FC_LOGO_RCVD_DID_CHNG   0x800    /* FDISC on phys port detect DID chng*/
+#define FC_SCSI_SCAN_TMO        0x4000	 /* scsi scan timer running */
+#define FC_ABORT_DISCOVERY      0x8000	 /* we want to abort discovery */
+#define FC_NDISC_ACTIVE         0x10000	 /* NPort discovery active */
+#define FC_BYPASSED_MODE        0x20000	 /* NPort is in bypassed mode */
+#define FC_VPORT_NEEDS_REG_VPI	0x80000  /* Needs to have its vpi registered */
+#define FC_RSCN_DEFERRED	0x100000 /* A deferred RSCN being processed */
+#define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */
+#define FC_VPORT_CVL_RCVD	0x400000 /* VLink failed due to CVL	 */
+#define FC_VFI_REGISTERED	0x800000 /* VFI is registered */
+#define FC_FDISC_COMPLETED	0x1000000/* FDISC completed */
+#define FC_DISC_DELAYED		0x2000000/* Delay NPort discovery */
+
+	uint32_t ct_flags;
+#define FC_CT_RFF_ID		0x1	 /* RFF_ID accepted by switch */
+#define FC_CT_RNN_ID		0x2	 /* RNN_ID accepted by switch */
+#define FC_CT_RSNN_NN		0x4	 /* RSNN_NN accepted by switch */
+#define FC_CT_RSPN_ID		0x8	 /* RSPN_ID accepted by switch */
+#define FC_CT_RFT_ID		0x10	 /* RFT_ID accepted by switch */
+
+	struct list_head fc_nodes;
+
+	/* Keep counters for the number of entries in each list. */
+	uint16_t fc_plogi_cnt;
+	uint16_t fc_adisc_cnt;
+	uint16_t fc_reglogin_cnt;
+	uint16_t fc_prli_cnt;
+	uint16_t fc_unmap_cnt;
+	uint16_t fc_map_cnt;
+	uint16_t fc_npr_cnt;
+	uint16_t fc_unused_cnt;
+	struct serv_parm fc_sparam;	/* buffer for our service parameters */
+
+	uint32_t fc_myDID;	/* fibre channel S_ID */
+	uint32_t fc_prevDID;	/* previous fibre channel S_ID */
+	struct lpfc_name fabric_portname;
+	struct lpfc_name fabric_nodename;
+
+	int32_t stopped;   /* HBA has not been restarted since last ERATT */
+	uint8_t fc_linkspeed;	/* Link speed after last READ_LA */
+
+	uint32_t num_disc_nodes;	/*in addition to hba_state */
+
+	uint32_t fc_nlp_cnt;	/* outstanding NODELIST requests */
+	uint32_t fc_rscn_id_cnt;	/* count of RSCNs payloads in list */
+	uint32_t fc_rscn_flush;		/* flag use of fc_rscn_id_list */
+	struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
+	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_DELAYED_DISC_TMO        0x8	/* vport: delayed discovery */
+
+#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 timeout */
+#define WORKER_RAMP_DOWN_QUEUE         0x800	/* hba: Decrease Q depth */
+#define WORKER_RAMP_UP_QUEUE           0x1000	/* hba: Increase Q depth */
+#define WORKER_SERVICE_TXQ             0x2000	/* hba: IOCBs on the txq */
+
+	struct timer_list fc_fdmitmo;
+	struct timer_list els_tmofunc;
+	struct timer_list delayed_disc_tmo;
+
+	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 */
+	/* 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;
+#define LPFC_FDMI_SUPPORT	1	/* bit 0 - FDMI supported? */
+#define LPFC_FDMI_REG_DELAY	2	/* bit 1 - 60 sec registration delay */
+#define LPFC_FDMI_ALL_ATTRIB	4	/* bit 2 - register ALL attributes? */
+	uint32_t cfg_discovery_threads;
+	uint32_t cfg_log_verbose;
+	uint32_t cfg_max_luns;
+	uint32_t cfg_enable_da_id;
+	uint32_t cfg_max_scsicmpl_time;
+	uint32_t cfg_tgt_queue_depth;
+	uint32_t cfg_first_burst_size;
+
+	uint32_t dev_loss_tmo_changed;
+
+	struct fc_vport *fc_vport;
+
+#ifdef CONFIG_SCSI_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
+	uint8_t stat_data_enabled;
+	uint8_t stat_data_blocked;
+	struct list_head rcv_buffer_list;
+	unsigned long rcv_buffer_time_stamp;
+	uint32_t vport_flag;
+#define STATIC_VPORT	1
+};
+
+struct hbq_s {
+	uint16_t entry_count;	  /* Current number of HBQ slots */
+	uint16_t buffer_count;	  /* Current number of buffers posted */
+	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
+
+enum hba_temp_state {
+	HBA_NORMAL_TEMP,
+	HBA_OVER_TEMP
+};
+
+enum intr_type_t {
+	NONE = 0,
+	INTx,
+	MSI,
+	MSIX,
+};
+
+#define LPFC_CT_CTX_MAX		64
+struct unsol_rcv_ct_ctx {
+	uint32_t ctxt_id;
+	uint32_t SID;
+	uint32_t valid;
+#define UNSOL_INVALID		0
+#define UNSOL_VALID		1
+	uint16_t oxid;
+	uint16_t rxid;
+};
+
+#define LPFC_USER_LINK_SPEED_AUTO	0	/* auto select (default)*/
+#define LPFC_USER_LINK_SPEED_1G		1	/* 1 Gigabaud */
+#define LPFC_USER_LINK_SPEED_2G		2	/* 2 Gigabaud */
+#define LPFC_USER_LINK_SPEED_4G		4	/* 4 Gigabaud */
+#define LPFC_USER_LINK_SPEED_8G		8	/* 8 Gigabaud */
+#define LPFC_USER_LINK_SPEED_10G	10	/* 10 Gigabaud */
+#define LPFC_USER_LINK_SPEED_16G	16	/* 16 Gigabaud */
+#define LPFC_USER_LINK_SPEED_MAX	LPFC_USER_LINK_SPEED_16G
+#define LPFC_USER_LINK_SPEED_BITMAP ((1 << LPFC_USER_LINK_SPEED_16G) | \
+				     (1 << LPFC_USER_LINK_SPEED_10G) | \
+				     (1 << LPFC_USER_LINK_SPEED_8G) | \
+				     (1 << LPFC_USER_LINK_SPEED_4G) | \
+				     (1 << LPFC_USER_LINK_SPEED_2G) | \
+				     (1 << LPFC_USER_LINK_SPEED_1G) | \
+				     (1 << LPFC_USER_LINK_SPEED_AUTO))
+#define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16"
+
+enum nemb_type {
+	nemb_mse = 1,
+	nemb_hbd
+};
+
+enum mbox_type {
+	mbox_rd = 1,
+	mbox_wr
+};
+
+enum dma_type {
+	dma_mbox = 1,
+	dma_ebuf
+};
+
+enum sta_type {
+	sta_pre_addr = 1,
+	sta_pos_addr
+};
+
+struct lpfc_mbox_ext_buf_ctx {
+	uint32_t state;
+#define LPFC_BSG_MBOX_IDLE		0
+#define LPFC_BSG_MBOX_HOST              1
+#define LPFC_BSG_MBOX_PORT		2
+#define LPFC_BSG_MBOX_DONE		3
+#define LPFC_BSG_MBOX_ABTS		4
+	enum nemb_type nembType;
+	enum mbox_type mboxType;
+	uint32_t numBuf;
+	uint32_t mbxTag;
+	uint32_t seqNum;
+	struct lpfc_dmabuf *mbx_dmabuf;
+	struct list_head ext_dmabuf_list;
+};
+
+struct lpfc_hba {
+	/* SCSI interface function jump table entries */
+	int (*lpfc_new_scsi_buf)
+		(struct lpfc_vport *, int);
+	struct lpfc_scsi_buf * (*lpfc_get_scsi_buf)
+		(struct lpfc_hba *, struct lpfc_nodelist *);
+	int (*lpfc_scsi_prep_dma_buf)
+		(struct lpfc_hba *, struct lpfc_scsi_buf *);
+	void (*lpfc_scsi_unprep_dma_buf)
+		(struct lpfc_hba *, struct lpfc_scsi_buf *);
+	void (*lpfc_release_scsi_buf)
+		(struct lpfc_hba *, struct lpfc_scsi_buf *);
+	void (*lpfc_rampdown_queue_depth)
+		(struct lpfc_hba *);
+	void (*lpfc_scsi_prep_cmnd)
+		(struct lpfc_vport *, struct lpfc_scsi_buf *,
+		 struct lpfc_nodelist *);
+
+	/* IOCB interface function jump table entries */
+	int (*__lpfc_sli_issue_iocb)
+		(struct lpfc_hba *, uint32_t,
+		 struct lpfc_iocbq *, uint32_t);
+	void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
+			 struct lpfc_iocbq *);
+	int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
+	IOCB_t * (*lpfc_get_iocb_from_iocbq)
+		(struct lpfc_iocbq *);
+	void (*lpfc_scsi_cmd_iocb_cmpl)
+		(struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *);
+
+	/* MBOX interface function jump table entries */
+	int (*lpfc_sli_issue_mbox)
+		(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
+
+	/* Slow-path IOCB process function jump table entries */
+	void (*lpfc_sli_handle_slow_ring_event)
+		(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
+		 uint32_t mask);
+
+	/* INIT device interface function jump table entries */
+	int (*lpfc_sli_hbq_to_firmware)
+		(struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);
+	int (*lpfc_sli_brdrestart)
+		(struct lpfc_hba *);
+	int (*lpfc_sli_brdready)
+		(struct lpfc_hba *, uint32_t);
+	void (*lpfc_handle_eratt)
+		(struct lpfc_hba *);
+	void (*lpfc_stop_port)
+		(struct lpfc_hba *);
+	int (*lpfc_hba_init_link)
+		(struct lpfc_hba *, uint32_t);
+	int (*lpfc_hba_down_link)
+		(struct lpfc_hba *, uint32_t);
+	int (*lpfc_selective_reset)
+		(struct lpfc_hba *);
+
+	int (*lpfc_bg_scsi_prep_dma_buf)
+		(struct lpfc_hba *, struct lpfc_scsi_buf *);
+	/* Add new entries here */
+
+	/* SLI4 specific HBA data structure */
+	struct lpfc_sli4_hba sli4_hba;
+
+	struct lpfc_sli sli;
+	uint8_t pci_dev_grp;	/* lpfc PCI dev group: 0x0, 0x1, 0x2,... */
+	uint32_t sli_rev;		/* SLI2, SLI3, or SLI4 */
+	uint32_t sli3_options;		/* Mask of enabled SLI3 options */
+#define LPFC_SLI3_HBQ_ENABLED		0x01
+#define LPFC_SLI3_NPIV_ENABLED		0x02
+#define LPFC_SLI3_VPORT_TEARDOWN	0x04
+#define LPFC_SLI3_CRP_ENABLED		0x08
+#define LPFC_SLI3_BG_ENABLED		0x20
+#define LPFC_SLI3_DSS_ENABLED		0x40
+#define LPFC_SLI4_PERFH_ENABLED		0x80
+#define LPFC_SLI4_PHWQ_ENABLED		0x100
+	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       0x4	/* intr handler should ignore ERATT */
+
+	uint32_t hba_flag;	/* hba generic flags */
+#define HBA_ERATT_HANDLED	0x1 /* This flag is set when eratt handled */
+#define DEFER_ERATT		0x2 /* Deferred error attention in progress */
+#define HBA_FCOE_MODE		0x4 /* HBA function in FCoE Mode */
+#define HBA_SP_QUEUE_EVT	0x8 /* Slow-path qevt posted to worker thread*/
+#define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */
+#define FCP_XRI_ABORT_EVENT	0x20
+#define ELS_XRI_ABORT_EVENT	0x40
+#define ASYNC_EVENT		0x80
+#define LINK_DISABLED		0x100 /* Link disabled by user */
+#define FCF_TS_INPROG           0x200 /* FCF table scan in progress */
+#define FCF_RR_INPROG           0x400 /* FCF roundrobin flogi in progress */
+#define HBA_FIP_SUPPORT		0x800 /* FIP support in HBA */
+#define HBA_AER_ENABLED		0x1000 /* AER enabled with HBA */
+#define HBA_DEVLOSS_TMO         0x2000 /* HBA in devloss timeout */
+#define HBA_RRQ_ACTIVE		0x4000 /* process the rrq active list */
+#define HBA_FCP_IOQ_FLUSH	0x8000 /* FCP I/O queues being flushed */
+#define HBA_FW_DUMP_OP		0x10000 /* Skips fn reset before FW dump */
+	uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/
+	struct lpfc_dmabuf slim2p;
+
+	MAILBOX_t *mbox;
+	uint32_t *mbox_ext;
+	struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx;
+	uint32_t ha_copy;
+	struct _PCB *pcb;
+	struct _IOCB *IOCBs;
+
+	struct lpfc_dmabuf hbqslimp;
+
+	uint16_t pci_cfg_value;
+
+	uint8_t fc_linkspeed;	/* Link speed after last READ_LA */
+
+	uint32_t fc_eventTag;	/* event tag for link attention */
+	uint32_t link_events;
+
+	/* 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_edtovResol; /* E_D_TOV timer resolution */
+	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 */
+	uint32_t fc_topology_changed;	/* 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_enable_rrq;
+	uint32_t cfg_topology;
+	uint32_t cfg_link_speed;
+#define LPFC_FCF_FOV 1		/* Fast fcf failover */
+#define LPFC_FCF_PRIORITY 2	/* Priority fcf failover */
+	uint32_t cfg_fcf_failover_policy;
+	uint32_t cfg_fcp_io_sched;
+	uint32_t cfg_fcp2_no_tgt_reset;
+	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_task_mgmt_tmo;
+	uint32_t cfg_use_msi;
+	uint32_t cfg_fcp_imax;
+	uint32_t cfg_fcp_cpu_map;
+	uint32_t cfg_fcp_io_channel;
+	uint32_t cfg_total_seg_cnt;
+	uint32_t cfg_sg_seg_cnt;
+	uint32_t cfg_prot_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;
+	uint32_t cfg_enable_hba_reset;
+	uint32_t cfg_enable_hba_heartbeat;
+	uint32_t cfg_fof;
+	uint32_t cfg_EnableXLane;
+	uint8_t cfg_oas_tgt_wwpn[8];
+	uint8_t cfg_oas_vpt_wwpn[8];
+	uint32_t cfg_oas_lun_state;
+#define OAS_LUN_ENABLE	1
+#define OAS_LUN_DISABLE	0
+	uint32_t cfg_oas_lun_status;
+#define OAS_LUN_STATUS_EXISTS	0x01
+	uint32_t cfg_oas_flags;
+#define OAS_FIND_ANY_VPORT	0x01
+#define OAS_FIND_ANY_TARGET	0x02
+#define OAS_LUN_VALID	0x04
+	uint32_t cfg_XLanePriority;
+	uint32_t cfg_enable_bg;
+	uint32_t cfg_hostmem_hgp;
+	uint32_t cfg_log_verbose;
+	uint32_t cfg_aer_support;
+	uint32_t cfg_sriov_nr_virtfn;
+	uint32_t cfg_request_firmware_upgrade;
+	uint32_t cfg_iocb_cnt;
+	uint32_t cfg_suppress_link_up;
+	uint32_t cfg_rrq_xri_bitmap_sz;
+#define LPFC_INITIALIZE_LINK              0	/* do normal init_link mbox */
+#define LPFC_DELAY_INIT_LINK              1	/* layered driver hold off */
+#define LPFC_DELAY_INIT_LINK_INDEFINITELY 2	/* wait, manual intervention */
+	uint32_t cfg_enable_dss;
+	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_waitq;
+	struct task_struct   *worker_thread;
+	unsigned long data_flags;
+
+	uint32_t hbq_in_use;		/* HBQs in use flag */
+	struct list_head rb_pend_list;  /* Received buffers to be processed */
+	uint32_t hbq_count;	        /* Count of configured HBQs */
+	struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies  */
+
+	atomic_t fcp_qidx;		/* next work queue to post work to */
+
+	unsigned long pci_bar0_map;     /* Physical address for PCI BAR0 */
+	unsigned long pci_bar1_map;     /* Physical address for PCI BAR1 */
+	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 *pci_bar0_memmap_p; /* Kernel memory mapped address for
+					    PCI BAR0 with dual-ULP support */
+	void __iomem *pci_bar2_memmap_p; /* Kernel memory mapped address for
+					    PCI BAR2 with dual-ULP support */
+	void __iomem *pci_bar4_memmap_p; /* Kernel memory mapped address for
+					    PCI BAR4 with dual-ULP support */
+#define PCI_64BIT_BAR0	0
+#define PCI_64BIT_BAR2	2
+#define PCI_64BIT_BAR4	4
+	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 */
+	struct lpfc_pgp   *port_gp;
+	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;
+	struct timer_list eratt_poll;
+
+	/*
+	 * stat  counters
+	 */
+	uint64_t fc4InputRequests;
+	uint64_t fc4OutputRequests;
+	uint64_t fc4ControlRequests;
+	uint64_t bg_guard_err_cnt;
+	uint64_t bg_apptag_err_cnt;
+	uint64_t bg_reftag_err_cnt;
+
+	/* fastpath list. */
+	spinlock_t scsi_buf_list_get_lock;  /* SCSI buf alloc list lock */
+	spinlock_t scsi_buf_list_put_lock;  /* SCSI buf free list lock */
+	struct list_head lpfc_scsi_buf_list_get;
+	struct list_head lpfc_scsi_buf_list_put;
+	uint32_t total_scsi_bufs;
+	struct list_head lpfc_iocb_list;
+	uint32_t total_iocbq_bufs;
+	struct list_head active_rrq_list;
+	spinlock_t hbalock;
+
+	/* pci_mem_pools */
+	struct pci_pool *lpfc_scsi_dma_buf_pool;
+	struct pci_pool *lpfc_mbuf_pool;
+	struct pci_pool *lpfc_hrb_pool;	/* header receive buffer pool */
+	struct pci_pool *lpfc_drb_pool; /* data receive buffer pool */
+	struct pci_pool *lpfc_hbq_pool;	/* SLI3 hbq buffer pool */
+	struct lpfc_dma_pool lpfc_mbuf_safety_pool;
+
+	mempool_t *mbox_mem_pool;
+	mempool_t *nlp_mem_pool;
+	mempool_t *rrq_pool;
+	mempool_t *active_rrq_pool;
+
+	struct fc_host_statistics link_stats;
+	enum intr_type_t intr_type;
+	uint32_t intr_mode;
+#define LPFC_INTR_ERROR	0xFFFFFFFF
+	struct msix_entry msix_entries[LPFC_MSIX_VECTORS];
+
+	struct list_head port_list;
+	struct lpfc_vport *pport;	/* physical lpfc_vport pointer */
+	uint16_t max_vpi;		/* Maximum virtual nports */
+#define LPFC_MAX_VPI 0xFFFF		/* Max number of VPI supported */
+	uint16_t max_vports;            /*
+					 * For IOV HBAs max_vpi can change
+					 * after a reset. max_vports is max
+					 * number of vports present. This can
+					 * be greater than max_vpi.
+					 */
+	uint16_t vpi_base;
+	uint16_t vfi_base;
+	unsigned long *vpi_bmask;	/* vpi allocation table */
+	uint16_t *vpi_ids;
+	uint16_t vpi_count;
+	struct list_head lpfc_vpi_blk_list;
+
+	/* 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;
+#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
+	struct dentry *hba_debugfs_root;
+	atomic_t debugfs_vport_count;
+	struct dentry *debug_hbqinfo;
+	struct dentry *debug_dumpHostSlim;
+	struct dentry *debug_dumpHBASlim;
+	struct dentry *debug_dumpData;   /* BlockGuard BPL */
+	struct dentry *debug_dumpDif;    /* BlockGuard BPL */
+	struct dentry *debug_InjErrLBA;  /* LBA to inject errors at */
+	struct dentry *debug_InjErrNPortID;  /* NPortID to inject errors at */
+	struct dentry *debug_InjErrWWPN;  /* WWPN to inject errors at */
+	struct dentry *debug_writeGuard; /* inject write guard_tag errors */
+	struct dentry *debug_writeApp;   /* inject write app_tag errors */
+	struct dentry *debug_writeRef;   /* inject write ref_tag errors */
+	struct dentry *debug_readGuard;  /* inject read guard_tag errors */
+	struct dentry *debug_readApp;    /* inject read app_tag errors */
+	struct dentry *debug_readRef;    /* inject read ref_tag errors */
+
+	/* T10 DIF error injection */
+	uint32_t lpfc_injerr_wgrd_cnt;
+	uint32_t lpfc_injerr_wapp_cnt;
+	uint32_t lpfc_injerr_wref_cnt;
+	uint32_t lpfc_injerr_rgrd_cnt;
+	uint32_t lpfc_injerr_rapp_cnt;
+	uint32_t lpfc_injerr_rref_cnt;
+	uint32_t lpfc_injerr_nportid;
+	struct lpfc_name lpfc_injerr_wwpn;
+	sector_t lpfc_injerr_lba;
+#define LPFC_INJERR_LBA_OFF	(sector_t)(-1)
+
+	struct dentry *debug_slow_ring_trc;
+	struct lpfc_debugfs_trc *slow_ring_trc;
+	atomic_t slow_ring_trc_cnt;
+	/* iDiag debugfs sub-directory */
+	struct dentry *idiag_root;
+	struct dentry *idiag_pci_cfg;
+	struct dentry *idiag_bar_acc;
+	struct dentry *idiag_que_info;
+	struct dentry *idiag_que_acc;
+	struct dentry *idiag_drb_acc;
+	struct dentry *idiag_ctl_acc;
+	struct dentry *idiag_mbx_acc;
+	struct dentry *idiag_ext_acc;
+#endif
+
+	/* Used for deferred freeing of ELS data buffers */
+	struct list_head elsbuf;
+	int elsbuf_cnt;
+	int elsbuf_prev_cnt;
+
+	uint8_t temp_sensor_support;
+	/* Fields used for heart beat. */
+	unsigned long last_completion_time;
+	unsigned long skipped_hb;
+	struct timer_list hb_tmofunc;
+	uint8_t hb_outstanding;
+	struct timer_list rrq_tmr;
+	enum hba_temp_state over_temp_state;
+	/* ndlp reference management */
+	spinlock_t ndlp_lock;
+	/*
+	 * Following bit will be set for all buffer tags which are not
+	 * associated with any HBQ.
+	 */
+#define QUE_BUFTAG_BIT  (1<<31)
+	uint32_t buffer_tag_count;
+	int wait_4_mlo_maint_flg;
+	wait_queue_head_t wait_4_mlo_m_q;
+	/* data structure used for latency data collection */
+#define LPFC_NO_BUCKET	   0
+#define LPFC_LINEAR_BUCKET 1
+#define LPFC_POWER2_BUCKET 2
+	uint8_t  bucket_type;
+	uint32_t bucket_base;
+	uint32_t bucket_step;
+
+/* Maximum number of events that can be outstanding at any time*/
+#define LPFC_MAX_EVT_COUNT 512
+	atomic_t fast_event_count;
+	uint32_t fcoe_eventtag;
+	uint32_t fcoe_eventtag_at_fcf_scan;
+	uint32_t fcoe_cvl_eventtag;
+	uint32_t fcoe_cvl_eventtag_attn;
+	struct lpfc_fcf fcf;
+	uint8_t fc_map[3];
+	uint8_t valid_vlan;
+	uint16_t vlan_id;
+	struct list_head fcf_conn_rec_list;
+
+	spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */
+	struct list_head ct_ev_waiters;
+	struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX];
+	uint32_t ctx_idx;
+
+	uint8_t menlo_flag;	/* menlo generic flags */
+#define HBA_MENLO_SUPPORT	0x1 /* HBA supports menlo commands */
+	uint32_t iocb_cnt;
+	uint32_t iocb_max;
+	atomic_t sdev_cnt;
+	uint8_t fips_spec_rev;
+	uint8_t fips_level;
+	spinlock_t devicelock;	/* lock for luns list */
+	mempool_t *device_data_mem_pool;
+	struct list_head luns;
+};
+
+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;
+}
+
+static inline void
+lpfc_worker_wake_up(struct lpfc_hba *phba)
+{
+	/* Set the lpfc data pending flag */
+	set_bit(LPFC_DATA_READY, &phba->data_flags);
+
+	/* Wake up worker thread */
+	wake_up(&phba->work_waitq);
+	return;
+}
+
+static inline int
+lpfc_readl(void __iomem *addr, uint32_t *data)
+{
+	uint32_t temp;
+	temp = readl(addr);
+	if (temp == 0xffffffff)
+		return -EIO;
+	*data = temp;
+	return 0;
+}
+
+static inline int
+lpfc_sli_read_hs(struct lpfc_hba *phba)
+{
+	/*
+	 * There was a link/board error. Read the status register to retrieve
+	 * the error event and process it.
+	 */
+	phba->sli.slistat.err_attn_event++;
+
+	/* Save status info and check for unplug error */
+	if (lpfc_readl(phba->HSregaddr, &phba->work_hs) ||
+		lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) ||
+		lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) {
+		return -EIO;
+	}
+
+	/* Clear chip Host Attention error bit */
+	writel(HA_ERATT, phba->HAregaddr);
+	readl(phba->HAregaddr); /* flush */
+	phba->pport->stopped = 1;
+
+	return 0;
+}