[deliverable/linux.git] / drivers / scsi / lpfc / lpfc.h

/*******************************************************************
 * This file is part of the Emulex Linux Device Driver for         *
 * Fibre Channel Host Bus Adapters.                                *
 * Copyright (C) 2004-2007 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>

struct lpfc_sli2_slim;


#define LPFC_MAX_TARGET		256	/* 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_SG_SEG_CNT		64	/* sg element count per scsi cmnd */
#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 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

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 */
};

struct lpfc_dma_pool {
	struct lpfc_dmabuf   *elements;
	uint32_t    max_count;
	uint32_t    current_count;
};

struct hbq_dmabuf {
	struct lpfc_dmabuf dbuf;
	uint32_t tag;
};

/* 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;
} 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 elsRcvRPS;
	uint32_t elsRcvRPL;
	uint32_t elsXmitFLOGI;
	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;
};

enum sysfs_mbox_state {
	SMBOX_IDLE,
	SMBOX_WRITING,
	SMBOX_READING
};

struct lpfc_sysfs_mbox {
	enum sysfs_mbox_state state;
	size_t                offset;
	struct lpfcMboxq *    mbox;
};

struct lpfc_hba;

enum discovery_state {
	LPFC_STATE_UNKNOWN   =  0,    /* HBA state is unknown */
	LPFC_LOCAL_CFG_LINK  =  6,    /* local NPORT Id configured */
	LPFC_FLOGI           =  7,    /* FLOGI sent to Fabric */
	LPFC_FABRIC_CFG_LINK =  8,    /* Fabric assigned NPORT Id
				       * configured */
	LPFC_NS_REG          =  9,    /* Register with NameServer */
	LPFC_NS_QRY          =  10,   /* Query NameServer for NPort ID list */
	LPFC_BUILD_DISC_LIST =  11,   /* Build ADISC and PLOGI lists for
				       * device authentication / discovery */
	LPFC_DISC_AUTH       =  12,   /* 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        =  13,   /* authentication cmplt - issue
				       * CLEAR_LA */
	LPFC_HBA_ERROR       =  -1
};

struct lpfc_vport {
	struct list_head listentry;
	struct lpfc_hba *phba;
	uint8_t port_type;
#define LPFC_PHYSICAL_PORT 1
#define LPFC_NPIV_PORT  2
#define LPFC_FABRIC_PORT 3
	enum discovery_state port_state;


	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_ESTABLISH_LINK       0x200	/* Reestablish Link */
#define FC_RSCN_DISCOVERY       0x400	/* Authenticate all devices after RSCN*/
#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 */

	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 */

	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 */
	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	/* Discovery timeout */
#define WORKER_ELS_TMO                 0x2	/* ELS timeout */
#define WORKER_MBOX_TMO                0x4	/* MBOX timeout */
#define WORKER_FDMI_TMO                0x8	/* FDMI timeout */

	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 */

};


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 */
};

#define MAX_HBQS  16

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_INB_ENABLED	0x04
	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        0x40000	/* NPort is in Loopback mode */
					/* This flag is set while issuing */
					/* INIT_LINK mailbox command */
#define LS_IGNORE_ERATT         0x80000	/* 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 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];

	uint32_t cfg_log_verbose;
	uint32_t cfg_lun_queue_depth;
	uint32_t cfg_nodev_tmo;
	uint32_t cfg_devloss_tmo;
	uint32_t cfg_hba_queue_depth;
	uint32_t cfg_fcp_class;
	uint32_t cfg_use_adisc;
	uint32_t cfg_ack0;
	uint32_t cfg_topology;
	uint32_t cfg_scan_down;
	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_fdmi_on;
	uint32_t cfg_discovery_threads;
	uint32_t cfg_max_luns;
	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 dev_loss_tmo_changed;

	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;

	struct   hbq_dmabuf *hbq_buffer_pool;
	uint32_t hbq_buffer_count;
	uint32_t hbq_buff_count; 	/* Current hbq buffers */
	uint32_t hbq_count;	        /* Count of configured HBQs */
	struct hbq_s hbqs[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 __iomem  *hbq_get;     /* Address in SLIM to 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;
	struct list_head port_list;
	struct lpfc_vport *pport; /* physical lpfc_vport pointer */
};

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;
}


#define FC_REG_DUMP_EVENT	0x10	/* Register for Dump events */
Commit	Line	Data
dea3101e	1	/*******************************************************************
dea3101e	2	* This file is part of the Emulex Linux Device Driver for *
c44ce173	3	* Fibre Channel Host Bus Adapters. *
9413afff	4	* Copyright (C) 2004-2007 Emulex. All rights reserved. *
c44ce173	5	* EMULEX and SLI are trademarks of Emulex. *
dea3101e	6	* www.emulex.com *
c44ce173	7	* Portions Copyright (C) 2004-2005 Christoph Hellwig *
dea3101e	8	* *
dea3101e	9	* This program is free software; you can redistribute it and/or *
c44ce173 JSEC	10	* modify it under the terms of version 2 of the GNU General *
	11	* Public License as published by the Free Software Foundation. *
	12	* This program is distributed in the hope that it will be useful. *
	13	* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
	14	* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
	15	* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
	16	* DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
	17	* TO BE LEGALLY INVALID. See the GNU General Public License for *
	18	* more details, a copy of which can be found in the file COPYING *
	19	* included with this package. *
dea3101e	20	*******************************************************************/
dea3101e	21
2e0fef85 JS	22	#include <scsi/scsi_host.h>
2e0fef85 JS	23
dea3101e	24	struct lpfc_sli2_slim;
dea3101e	25
dea3101e	26
e17da18e JS	27	#define LPFC_MAX_TARGET 256 /* max number of targets supported */
	28	#define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els
	29	requests */
	30	#define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact
	31	the NameServer before giving up. */
445cf4f4	32	#define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
dea3101e	33	#define LPFC_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
dea3101e	34	#define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
445cf4f4	35	#define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
dea3101e	36
	37	/* Define macros for 64 bit support */
	38	#define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
	39	#define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
	40	#define getPaddr(high, low) ((dma_addr_t)( \
	41	(( (u64)(high)<<16 ) << 16)\|( (u64)(low))))
	42	/* Provide maximum configuration definitions. */
	43	#define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
dea3101e	44	#define FC_MAX_ADPTMSG 64
	45
	46	#define MAX_HBAEVT 32
	47
875fbdfe JSEC	48	enum lpfc_polling_flags {
	49	ENABLE_FCP_RING_POLLING = 0x1,
	50	DISABLE_FCP_RING_INT = 0x2
	51	};
	52
dea3101e	53	/* Provide DMA memory definitions the driver uses per port instance. */
	54	struct lpfc_dmabuf {
	55	struct list_head list;
	56	void virt; / virtual address ptr */
	57	dma_addr_t phys; /* mapped address */
	58	};
	59
	60	struct lpfc_dma_pool {
	61	struct lpfc_dmabuf *elements;
	62	uint32_t max_count;
	63	uint32_t current_count;
	64	};
	65
ed957684 JS	66	struct hbq_dmabuf {
	67	struct lpfc_dmabuf dbuf;
	68	uint32_t tag;
	69	};
	70
dea3101e	71	/* Priority bit. Set value to exceed low water mark in lpfc_mem. */
	72	#define MEM_PRI 0x100
	73
	74
	75	/****************************************************************************/
	76	/* Device VPD save area */
	77	/****************************************************************************/
	78	typedef struct lpfc_vpd {
	79	uint32_t status; /* vpd status value */
	80	uint32_t length; /* number of bytes actually returned */
	81	struct {
	82	uint32_t rsvd1; /* Revision numbers */
	83	uint32_t biuRev;
	84	uint32_t smRev;
	85	uint32_t smFwRev;
	86	uint32_t endecRev;
	87	uint16_t rBit;
	88	uint8_t fcphHigh;
	89	uint8_t fcphLow;
	90	uint8_t feaLevelHigh;
	91	uint8_t feaLevelLow;
	92	uint32_t postKernRev;
	93	uint32_t opFwRev;
	94	uint8_t opFwName[16];
	95	uint32_t sli1FwRev;
	96	uint8_t sli1FwName[16];
	97	uint32_t sli2FwRev;
	98	uint8_t sli2FwName[16];
	99	} rev;
	100	} lpfc_vpd_t;
	101
	102	struct lpfc_scsi_buf;
	103
	104
	105	/*
	106	* lpfc stat counters
	107	*/
	108	struct lpfc_stats {
	109	/* Statistics for ELS commands */
	110	uint32_t elsLogiCol;
	111	uint32_t elsRetryExceeded;
	112	uint32_t elsXmitRetry;
	113	uint32_t elsDelayRetry;
	114	uint32_t elsRcvDrop;
	115	uint32_t elsRcvFrame;
	116	uint32_t elsRcvRSCN;
	117	uint32_t elsRcvRNID;
	118	uint32_t elsRcvFARP;
	119	uint32_t elsRcvFARPR;
	120	uint32_t elsRcvFLOGI;
	121	uint32_t elsRcvPLOGI;
	122	uint32_t elsRcvADISC;
	123	uint32_t elsRcvPDISC;
	124	uint32_t elsRcvFAN;
	125	uint32_t elsRcvLOGO;
	126	uint32_t elsRcvPRLO;
	127	uint32_t elsRcvPRLI;
7bb3b137 JW	128	uint32_t elsRcvLIRR;
	129	uint32_t elsRcvRPS;
	130	uint32_t elsRcvRPL;
dea3101e	131	uint32_t elsXmitFLOGI;
	132	uint32_t elsXmitPLOGI;
	133	uint32_t elsXmitPRLI;
	134	uint32_t elsXmitADISC;
	135	uint32_t elsXmitLOGO;
	136	uint32_t elsXmitSCR;
	137	uint32_t elsXmitRNID;
	138	uint32_t elsXmitFARP;
	139	uint32_t elsXmitFARPR;
	140	uint32_t elsXmitACC;
	141	uint32_t elsXmitLSRJT;
	142
	143	uint32_t frameRcvBcast;
	144	uint32_t frameRcvMulti;
	145	uint32_t strayXmitCmpl;
	146	uint32_t frameXmitDelay;
	147	uint32_t xriCmdCmpl;
	148	uint32_t xriStatErr;
	149	uint32_t LinkUp;
	150	uint32_t LinkDown;
	151	uint32_t LinkMultiEvent;
	152	uint32_t NoRcvBuf;
	153	uint32_t fcpCmd;
	154	uint32_t fcpCmpl;
	155	uint32_t fcpRspErr;
	156	uint32_t fcpRemoteStop;
	157	uint32_t fcpPortRjt;
	158	uint32_t fcpPortBusy;
	159	uint32_t fcpError;
	160	uint32_t fcpLocalErr;
	161	};
	162
	163	enum sysfs_mbox_state {
	164	SMBOX_IDLE,
	165	SMBOX_WRITING,
	166	SMBOX_READING
	167	};
	168
	169	struct lpfc_sysfs_mbox {
	170	enum sysfs_mbox_state state;
	171	size_t offset;
	172	struct lpfcMboxq * mbox;
	173	};
	174
2e0fef85 JS	175	struct lpfc_hba;
	176
	177	enum discovery_state {
	178	LPFC_STATE_UNKNOWN = 0, /* HBA state is unknown */
	179	LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */
	180	LPFC_FLOGI = 7, /* FLOGI sent to Fabric */
	181	LPFC_FABRIC_CFG_LINK = 8, /* Fabric assigned NPORT Id
	182	* configured */
	183	LPFC_NS_REG = 9, /* Register with NameServer */
	184	LPFC_NS_QRY = 10, /* Query NameServer for NPort ID list */
	185	LPFC_BUILD_DISC_LIST = 11, /* Build ADISC and PLOGI lists for
	186	* device authentication / discovery */
	187	LPFC_DISC_AUTH = 12, /* Processing ADISC list */
	188	LPFC_VPORT_READY = 32,
	189	};
	190
	191	enum hba_state {
	192	LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */
	193	LPFC_WARM_START = 1, /* HBA state after selective reset */
	194	LPFC_INIT_START = 2, /* Initial state after board reset */
	195	LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */
	196	LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */
	197	LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */
	198	LPFC_CLEAR_LA = 13, /* authentication cmplt - issue
	199	* CLEAR_LA */
	200	LPFC_HBA_ERROR = -1
	201	};
	202
	203	struct lpfc_vport {
	204	struct list_head listentry;
	205	struct lpfc_hba *phba;
	206	uint8_t port_type;
	207	#define LPFC_PHYSICAL_PORT 1
	208	#define LPFC_NPIV_PORT 2
	209	#define LPFC_FABRIC_PORT 3
	210	enum discovery_state port_state;
	211
	212
	213	uint32_t fc_flag; /* FC flags */
	214	/* Several of these flags are HBA centric and should be moved to
	215	* phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
	216	*/
	217	#define FC_PT2PT 0x1 /* pt2pt with no fabric */
	218	#define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
	219	#define FC_DISC_TMO 0x4 /* Discovery timer running */
	220	#define FC_PUBLIC_LOOP 0x8 /* Public loop */
	221	#define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
	222	#define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
	223	#define FC_NLP_MORE 0x40 /* More node to process in node tbl */
	224	#define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
	225	#define FC_FABRIC 0x100 /* We are fabric attached */
	226	#define FC_ESTABLISH_LINK 0x200 /* Reestablish Link */
	227	#define FC_RSCN_DISCOVERY 0x400 /* Authenticate all devices after RSCN*/
	228	#define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
	229	#define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
	230	#define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
	231	#define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
	232
	233	struct list_head fc_nodes;
	234
	235	/* Keep counters for the number of entries in each list. */
	236	uint16_t fc_plogi_cnt;
	237	uint16_t fc_adisc_cnt;
	238	uint16_t fc_reglogin_cnt;
239	uint16_t fc_prli_cnt;
240	uint16_t fc_unmap_cnt;
241	uint16_t fc_map_cnt;
242	uint16_t fc_npr_cnt;
243	uint16_t fc_unused_cnt;
244	struct serv_parm fc_sparam; /* buffer for our service parameters */
245
246	uint32_t fc_myDID; /* fibre channel S_ID */
247	uint32_t fc_prevDID; /* previous fibre channel S_ID */
248
249	int32_t stopped; /* HBA has not been restarted since last ERATT */
250	uint8_t fc_linkspeed; /* Link speed after last READ_LA */
251
252	uint32_t num_disc_nodes; /in addition to hba_state /
253
254	uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
255	uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
256	struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
257	struct lpfc_name fc_nodename; /* fc nodename */
258	struct lpfc_name fc_portname; /* fc portname */
259
260	struct lpfc_work_evt disc_timeout_evt;
261
262	struct timer_list fc_disctmo; /* Discovery rescue timer */
263	uint8_t fc_ns_retry; /* retries for fabric nameserver */
264	uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
265
266	spinlock_t work_port_lock;
267	uint32_t work_port_events; /* Timeout to be handled */
268	#define WORKER_DISC_TMO 0x1 /* Discovery timeout */
269	#define WORKER_ELS_TMO 0x2 /* ELS timeout */
270	#define WORKER_MBOX_TMO 0x4 /* MBOX timeout */
271	#define WORKER_FDMI_TMO 0x8 /* FDMI timeout */
272
273	struct timer_list fc_fdmitmo;
274	struct timer_list els_tmofunc;
275
276	int unreg_vpi_cmpl;
277
278	uint8_t load_flag;
279	#define FC_LOADING 0x1 /* HBA in process of loading drvr */
280	#define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */
281
282	};
283
ed957684 JS	284
	285	struct hbq_s {
	286	uint16_t entry_count; /* Current number of HBQ slots */
	287	uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */
	288	uint32_t hbqPutIdx; /* HBQ slot to use */
	289	uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
	290	};
	291
	292	#define MAX_HBQS 16
	293
dea3101e	294	struct lpfc_hba {
dea3101e	295	struct lpfc_sli sli;
ed957684 JS	296	uint32_t sli_rev; /* SLI2 or SLI3 */
	297	uint32_t sli3_options; /* Mask of enabled SLI3 options */
	298	#define LPFC_SLI3_ENABLED 0x01
	299	#define LPFC_SLI3_HBQ_ENABLED 0x02
	300	#define LPFC_SLI3_INB_ENABLED 0x04
	301	uint32_t iocb_cmd_size;
	302	uint32_t iocb_rsp_size;
2e0fef85 JS	303
	304	enum hba_state link_state;
	305	uint32_t link_flag; /* link state flags */
	306	#define LS_LOOPBACK_MODE 0x40000 /* NPort is in Loopback mode */
	307	/* This flag is set while issuing */
	308	/* INIT_LINK mailbox command */
	309	#define LS_IGNORE_ERATT 0x80000 /* intr handler should ignore ERATT */
	310
dea3101e	311	struct lpfc_sli2_slim *slim2p;
2e0fef85 JS	312	struct lpfc_dmabuf hbqslimp;
2e0fef85 JS	313
dea3101e	314	dma_addr_t slim2p_mapping;
2e0fef85 JS	315
2e0fef85 JS	316
dea3101e	317	uint16_t pci_cfg_value;
dea3101e	318
dea3101e	319
	320	uint8_t fc_linkspeed; /* Link speed after last READ_LA */
	321
	322	uint32_t fc_eventTag; /* event tag for link attention */
dea3101e	323
dea3101e	324
dea3101e	325	struct timer_list fc_estabtmo; /* link establishment timer */
dea3101e	326	/* These fields used to be binfo */
dea3101e	327	uint32_t fc_pref_DID; /* preferred D_ID */
	328	uint8_t fc_pref_ALPA; /* preferred AL_PA */
	329	uint32_t fc_edtov; /* E_D_TOV timer value */
	330	uint32_t fc_arbtov; /* ARB_TOV timer value */
	331	uint32_t fc_ratov; /* R_A_TOV timer value */
	332	uint32_t fc_rttov; /* R_T_TOV timer value */
	333	uint32_t fc_altov; /* AL_TOV timer value */
	334	uint32_t fc_crtov; /* C_R_TOV timer value */
	335	uint32_t fc_citov; /* C_I_TOV timer value */
dea3101e	336
dea3101e	337	struct serv_parm fc_fabparam; /* fabric service parameters buffer */
	338	uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
	339
dea3101e	340	uint32_t lmt;
dea3101e	341
	342	uint32_t fc_topology; /* link topology, from LINK INIT */
	343
	344	struct lpfc_stats fc_stat;
	345
dea3101e	346	struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
	347	uint32_t nport_event_cnt; /* timestamp for nlplist entry */
	348
2e0fef85 JS	349	uint8_t wwnn[8];
2e0fef85 JS	350	uint8_t wwpn[8];
dea3101e	351	uint32_t RandomData[7];
	352
	353	uint32_t cfg_log_verbose;
	354	uint32_t cfg_lun_queue_depth;
	355	uint32_t cfg_nodev_tmo;
c01f3208	356	uint32_t cfg_devloss_tmo;
dea3101e	357	uint32_t cfg_hba_queue_depth;
	358	uint32_t cfg_fcp_class;
	359	uint32_t cfg_use_adisc;
	360	uint32_t cfg_ack0;
	361	uint32_t cfg_topology;
	362	uint32_t cfg_scan_down;
	363	uint32_t cfg_link_speed;
	364	uint32_t cfg_cr_delay;
	365	uint32_t cfg_cr_count;
cf5bf97e	366	uint32_t cfg_multi_ring_support;
a4bc3379 JS	367	uint32_t cfg_multi_ring_rctl;
a4bc3379 JS	368	uint32_t cfg_multi_ring_type;
dea3101e	369	uint32_t cfg_fdmi_on;
dea3101e	370	uint32_t cfg_discovery_threads;
dea3101e	371	uint32_t cfg_max_luns;
875fbdfe JSEC	372	uint32_t cfg_poll;
875fbdfe JSEC	373	uint32_t cfg_poll_tmo;
4ff43246	374	uint32_t cfg_use_msi;
dea3101e	375	uint32_t cfg_sg_seg_cnt;
dea3101e	376	uint32_t cfg_sg_dma_buf_size;
a12e07bc	377	uint64_t cfg_soft_wwnn;
c3f28afa	378	uint64_t cfg_soft_wwpn;
dea3101e	379
c01f3208 JS	380	uint32_t dev_loss_tmo_changed;
c01f3208 JS	381
dea3101e	382	lpfc_vpd_t vpd; /* vital product data */
dea3101e	383
dea3101e	384	struct pci_dev *pcidev;
	385	struct list_head work_list;
	386	uint32_t work_ha; /* Host Attention Bits for WT */
	387	uint32_t work_ha_mask; /* HA Bits owned by WT */
	388	uint32_t work_hs; /* HS stored in case of ERRAT */
	389	uint32_t work_status[2]; /* Extra status from SLIM */
dea3101e	390
	391	wait_queue_head_t *work_wait;
	392	struct task_struct *worker_thread;
	393
ed957684 JS	394	struct hbq_dmabuf *hbq_buffer_pool;
	395	uint32_t hbq_buffer_count;
	396	uint32_t hbq_buff_count; /* Current hbq buffers */
	397	uint32_t hbq_count; /* Count of configured HBQs */
	398	struct hbq_s hbqs[MAX_HBQS]; /* local copy of hbq indicies */
	399
dea3101e	400	unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */
	401	unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */
	402	void __iomem slim_memmap_p; / Kernel memory mapped address for
	403	PCI BAR0 */
	404	void __iomem ctrl_regs_memmap_p;/ Kernel memory mapped address for
	405	PCI BAR2 */
	406
	407	void __iomem MBslimaddr; / virtual address for mbox cmds */
	408	void __iomem HAregaddr; / virtual address for host attn reg */
	409	void __iomem CAregaddr; / virtual address for chip attn reg */
	410	void __iomem HSregaddr; / virtual address for host status
	411	reg */
	412	void __iomem HCregaddr; / virtual address for host ctl reg */
	413
ed957684 JS	414	struct lpfc_hgp __iomem host_gp; / Host side get/put pointers */
	415	uint32_t __iomem hbq_put; / Address in SLIM to HBQ put ptrs */
	416	uint32_t __iomem hbq_get; / Address in SLIM to HBQ get ptrs */
	417
dea3101e	418	int brd_no; /* FC board number */
	419
	420	char SerialNumber[32]; /* adapter Serial Number */
	421	char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
	422	char ModelDesc[256]; /* Model Description */
	423	char ModelName[80]; /* Model Name */
	424	char ProgramType[256]; /* Program Type */
	425	char Port[20]; /* Port No */
	426	uint8_t vpd_flag; /* VPD data flag */
	427
	428	#define VPD_MODEL_DESC 0x1 /* valid vpd model description */
	429	#define VPD_MODEL_NAME 0x2 /* valid vpd model name */
	430	#define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
	431	#define VPD_PORT 0x8 /* valid vpd port data */
	432	#define VPD_MASK 0xf /* mask for any vpd data */
	433
a12e07bc	434	uint8_t soft_wwn_enable;
c3f28afa	435
875fbdfe	436	struct timer_list fcp_poll_timer;
875fbdfe	437
dea3101e	438	/*
	439	* stat counters
	440	*/
	441	uint64_t fc4InputRequests;
	442	uint64_t fc4OutputRequests;
	443	uint64_t fc4ControlRequests;
	444
	445	struct lpfc_sysfs_mbox sysfs_mbox;
	446
	447	/* fastpath list. */
875fbdfe	448	spinlock_t scsi_buf_list_lock;
dea3101e	449	struct list_head lpfc_scsi_buf_list;
	450	uint32_t total_scsi_bufs;
	451	struct list_head lpfc_iocb_list;
	452	uint32_t total_iocbq_bufs;
2e0fef85	453	spinlock_t hbalock;
dea3101e	454
	455	/* pci_mem_pools */
	456	struct pci_pool *lpfc_scsi_dma_buf_pool;
	457	struct pci_pool *lpfc_mbuf_pool;
ed957684	458	struct pci_pool *lpfc_hbq_pool;
dea3101e	459	struct lpfc_dma_pool lpfc_mbuf_safety_pool;
	460
	461	mempool_t *mbox_mem_pool;
	462	mempool_t *nlp_mem_pool;
f888ba3c JSEC	463
f888ba3c JSEC	464	struct fc_host_statistics link_stats;
2e0fef85 JS	465	struct list_head port_list;
2e0fef85 JS	466	struct lpfc_vport pport; / physical lpfc_vport pointer */
dea3101e	467	};
dea3101e	468
2e0fef85 JS	469	static inline struct Scsi_Host *
	470	lpfc_shost_from_vport(struct lpfc_vport *vport)
	471	{
	472	return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
	473	}
	474
5b8bd0c9	475	static inline void
2e0fef85 JS	476	lpfc_set_loopback_flag(struct lpfc_hba *phba)
2e0fef85 JS	477	{
5b8bd0c9	478	if (phba->cfg_topology == FLAGS_LOCAL_LB)
2e0fef85	479	phba->link_flag \|= LS_LOOPBACK_MODE;
5b8bd0c9	480	else
2e0fef85 JS	481	phba->link_flag &= ~LS_LOOPBACK_MODE;
	482	}
	483
	484	static inline int
	485	lpfc_is_link_up(struct lpfc_hba *phba)
	486	{
	487	return phba->link_state == LPFC_LINK_UP \|\|
	488	phba->link_state == LPFC_CLEAR_LA;
5b8bd0c9	489	}
dea3101e	490
2e0fef85	491
d2873e4c JS	492
d2873e4c JS	493	#define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */
2e0fef85	494