[linux-block.git] / drivers / scsi / lpfc / lpfc.h

/*******************************************************************
 * This file is part of the Emulex Linux Device Driver for         *
 * Fibre Channel Host Bus Adapters.                                *
 * Copyright (C) 2004-2006 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.                                     *
 *******************************************************************/

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_DFT_HBA_Q_DEPTH	2048	/* max cmds per hba */
#define LPFC_LC_HBA_Q_DEPTH	1024	/* max cmds per low cost hba */
#define LPFC_LP101_HBA_Q_DEPTH	128	/* max cmds per low cost hba */

#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;
};

/* 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 {
	struct lpfc_sli sli;
	struct lpfc_sli2_slim *slim2p;
	dma_addr_t slim2p_mapping;
	uint16_t pci_cfg_value;

	int32_t hba_state;

#define LPFC_STATE_UNKNOWN        0    /* HBA state is unknown */
#define LPFC_WARM_START           1    /* HBA state after selective reset */
#define LPFC_INIT_START           2    /* Initial state after board reset */
#define LPFC_INIT_MBX_CMDS        3    /* Initialize HBA with mbox commands */
#define LPFC_LINK_DOWN            4    /* HBA initialized, link is down */
#define LPFC_LINK_UP              5    /* Link is up  - issue READ_LA */
#define LPFC_LOCAL_CFG_LINK       6    /* local NPORT Id configured */
#define LPFC_FLOGI                7    /* FLOGI sent to Fabric */
#define LPFC_FABRIC_CFG_LINK      8    /* Fabric assigned NPORT Id
					   configured */
#define LPFC_NS_REG               9	/* Register with NameServer */
#define LPFC_NS_QRY               10	/* Query NameServer for NPort ID list */
#define LPFC_BUILD_DISC_LIST      11	/* Build ADISC and PLOGI lists for
					 * device authentication / discovery */
#define LPFC_DISC_AUTH            12	/* Processing ADISC list */
#define LPFC_CLEAR_LA             13	/* authentication cmplt - issue
					   CLEAR_LA */
#define LPFC_HBA_READY            32
#define LPFC_HBA_ERROR            -1

	int32_t stopped;   /* HBA has not been restarted since last ERATT */
	uint8_t fc_linkspeed;	/* Link speed after last READ_LA */

	uint32_t fc_eventTag;	/* event tag for link attention */
	uint32_t fc_prli_sent;	/* cntr for outstanding PRLIs */

	uint32_t num_disc_nodes;	/*in addition to hba_state */

	struct timer_list fc_estabtmo;	/* link establishment timer */
	struct timer_list fc_disctmo;	/* Discovery rescue timer */
	struct timer_list fc_fdmitmo;	/* fdmi timer */
	/* These fields used to be binfo */
	struct lpfc_name fc_nodename;	/* fc nodename */
	struct lpfc_name fc_portname;	/* fc portname */
	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 */
	uint32_t fc_myDID;	/* fibre channel S_ID */
	uint32_t fc_prevDID;	/* previous fibre channel S_ID */

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

	uint8_t fc_ns_retry;	/* retries for fabric nameserver */
	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];
	uint32_t lmt;
	uint32_t fc_flag;	/* FC flags */
#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_LOADING		0x1000	/* HBA in process of loading drvr */
#define FC_UNLOADING		0x2000	/* HBA in process of unloading drvr */
#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 */

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

	struct lpfc_stats fc_stat;

	/* These are the head/tail pointers for the bind, plogi, adisc, unmap,
	 *  and map lists.  Their counters are immediately following.
	 */
	struct list_head fc_plogi_list;
	struct list_head fc_adisc_list;
	struct list_head fc_reglogin_list;
	struct list_head fc_prli_list;
	struct list_head fc_nlpunmap_list;
	struct list_head fc_nlpmap_list;
	struct list_head fc_npr_list;
	struct list_head fc_unused_list;

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

	uint32_t wwnn[2];
	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_fdmi_on;
	uint32_t cfg_discovery_threads;
	uint32_t cfg_max_luns;
	uint32_t cfg_poll;
	uint32_t cfg_poll_tmo;
	uint32_t cfg_sg_seg_cnt;
	uint32_t cfg_sg_dma_buf_size;
	uint64_t cfg_soft_wwpn;

	uint32_t dev_loss_tmo_changed;

	lpfc_vpd_t vpd;		/* vital product data */

	struct Scsi_Host *host;
	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 */
	uint32_t              work_hba_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 */

	wait_queue_head_t    *work_wait;
	struct task_struct   *worker_thread;

	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 */

	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_wwpn_enable;

	struct timer_list fcp_poll_timer;
	struct timer_list els_tmofunc;

	/*
	 * 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;

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

	mempool_t *mbox_mem_pool;
	mempool_t *nlp_mem_pool;
	struct list_head freebufList;
	struct list_head ctrspbuflist;
	struct list_head rnidrspbuflist;

	struct fc_host_statistics link_stats;
};


struct rnidrsp {
	void *buf;
	uint32_t uniqueid;
	struct list_head list;
	uint32_t data;
};

#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. *
41415862	4	* Copyright (C) 2004-2006 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
dea3101e	22	struct lpfc_sli2_slim;
dea3101e	23
dea3101e	24
e17da18e JS	25	#define LPFC_MAX_TARGET 256 /* max number of targets supported */
	26	#define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els
	27	requests */
	28	#define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact
	29	the NameServer before giving up. */
dea3101e	30	#define LPFC_DFT_HBA_Q_DEPTH 2048 /* max cmds per hba */
	31	#define LPFC_LC_HBA_Q_DEPTH 1024 /* max cmds per low cost hba */
	32	#define LPFC_LP101_HBA_Q_DEPTH 128 /* max cmds per low cost hba */
	33
445cf4f4	34	#define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
dea3101e	35	#define LPFC_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
dea3101e	36	#define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
445cf4f4	37	#define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
dea3101e	38
	39	/* Define macros for 64 bit support */
	40	#define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
	41	#define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
	42	#define getPaddr(high, low) ((dma_addr_t)( \
	43	(( (u64)(high)<<16 ) << 16)\|( (u64)(low))))
	44	/* Provide maximum configuration definitions. */
	45	#define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
dea3101e	46	#define FC_MAX_ADPTMSG 64
	47
	48	#define MAX_HBAEVT 32
	49
875fbdfe JSEC	50	enum lpfc_polling_flags {
	51	ENABLE_FCP_RING_POLLING = 0x1,
	52	DISABLE_FCP_RING_INT = 0x2
	53	};
	54
dea3101e	55	/* Provide DMA memory definitions the driver uses per port instance. */
	56	struct lpfc_dmabuf {
	57	struct list_head list;
	58	void virt; / virtual address ptr */
	59	dma_addr_t phys; /* mapped address */
	60	};
	61
	62	struct lpfc_dma_pool {
	63	struct lpfc_dmabuf *elements;
	64	uint32_t max_count;
	65	uint32_t current_count;
	66	};
	67
	68	/* Priority bit. Set value to exceed low water mark in lpfc_mem. */
	69	#define MEM_PRI 0x100
	70
	71
	72	/****************************************************************************/
	73	/* Device VPD save area */
	74	/****************************************************************************/
	75	typedef struct lpfc_vpd {
	76	uint32_t status; /* vpd status value */
	77	uint32_t length; /* number of bytes actually returned */
	78	struct {
	79	uint32_t rsvd1; /* Revision numbers */
	80	uint32_t biuRev;
	81	uint32_t smRev;
	82	uint32_t smFwRev;
	83	uint32_t endecRev;
	84	uint16_t rBit;
	85	uint8_t fcphHigh;
	86	uint8_t fcphLow;
	87	uint8_t feaLevelHigh;
	88	uint8_t feaLevelLow;
	89	uint32_t postKernRev;
	90	uint32_t opFwRev;
	91	uint8_t opFwName[16];
	92	uint32_t sli1FwRev;
	93	uint8_t sli1FwName[16];
	94	uint32_t sli2FwRev;
	95	uint8_t sli2FwName[16];
	96	} rev;
	97	} lpfc_vpd_t;
	98
	99	struct lpfc_scsi_buf;
	100
	101
	102	/*
	103	* lpfc stat counters
	104	*/
	105	struct lpfc_stats {
	106	/* Statistics for ELS commands */
	107	uint32_t elsLogiCol;
	108	uint32_t elsRetryExceeded;
	109	uint32_t elsXmitRetry;
	110	uint32_t elsDelayRetry;
	111	uint32_t elsRcvDrop;
	112	uint32_t elsRcvFrame;
	113	uint32_t elsRcvRSCN;
	114	uint32_t elsRcvRNID;
	115	uint32_t elsRcvFARP;
	116	uint32_t elsRcvFARPR;
	117	uint32_t elsRcvFLOGI;
	118	uint32_t elsRcvPLOGI;
119	uint32_t elsRcvADISC;
120	uint32_t elsRcvPDISC;
121	uint32_t elsRcvFAN;
122	uint32_t elsRcvLOGO;
123	uint32_t elsRcvPRLO;
124	uint32_t elsRcvPRLI;
7bb3b137 JW	125	uint32_t elsRcvLIRR;
	126	uint32_t elsRcvRPS;
	127	uint32_t elsRcvRPL;
dea3101e	128	uint32_t elsXmitFLOGI;
	129	uint32_t elsXmitPLOGI;
	130	uint32_t elsXmitPRLI;
	131	uint32_t elsXmitADISC;
	132	uint32_t elsXmitLOGO;
	133	uint32_t elsXmitSCR;
	134	uint32_t elsXmitRNID;
	135	uint32_t elsXmitFARP;
	136	uint32_t elsXmitFARPR;
	137	uint32_t elsXmitACC;
	138	uint32_t elsXmitLSRJT;
	139
	140	uint32_t frameRcvBcast;
	141	uint32_t frameRcvMulti;
	142	uint32_t strayXmitCmpl;
	143	uint32_t frameXmitDelay;
	144	uint32_t xriCmdCmpl;
	145	uint32_t xriStatErr;
	146	uint32_t LinkUp;
	147	uint32_t LinkDown;
	148	uint32_t LinkMultiEvent;
	149	uint32_t NoRcvBuf;
	150	uint32_t fcpCmd;
	151	uint32_t fcpCmpl;
	152	uint32_t fcpRspErr;
	153	uint32_t fcpRemoteStop;
	154	uint32_t fcpPortRjt;
	155	uint32_t fcpPortBusy;
	156	uint32_t fcpError;
	157	uint32_t fcpLocalErr;
	158	};
	159
	160	enum sysfs_mbox_state {
	161	SMBOX_IDLE,
	162	SMBOX_WRITING,
	163	SMBOX_READING
	164	};
	165
	166	struct lpfc_sysfs_mbox {
	167	enum sysfs_mbox_state state;
	168	size_t offset;
	169	struct lpfcMboxq * mbox;
	170	};
	171
	172	struct lpfc_hba {
dea3101e	173	struct lpfc_sli sli;
	174	struct lpfc_sli2_slim *slim2p;
	175	dma_addr_t slim2p_mapping;
	176	uint16_t pci_cfg_value;
	177
41415862 JW	178	int32_t hba_state;
	179
	180	#define LPFC_STATE_UNKNOWN 0 /* HBA state is unknown */
	181	#define LPFC_WARM_START 1 /* HBA state after selective reset */
	182	#define LPFC_INIT_START 2 /* Initial state after board reset */
	183	#define LPFC_INIT_MBX_CMDS 3 /* Initialize HBA with mbox commands */
	184	#define LPFC_LINK_DOWN 4 /* HBA initialized, link is down */
	185	#define LPFC_LINK_UP 5 /* Link is up - issue READ_LA */
	186	#define LPFC_LOCAL_CFG_LINK 6 /* local NPORT Id configured */
	187	#define LPFC_FLOGI 7 /* FLOGI sent to Fabric */
	188	#define LPFC_FABRIC_CFG_LINK 8 /* Fabric assigned NPORT Id
dea3101e	189	configured */
41415862 JW	190	#define LPFC_NS_REG 9 /* Register with NameServer */
	191	#define LPFC_NS_QRY 10 /* Query NameServer for NPort ID list */
	192	#define LPFC_BUILD_DISC_LIST 11 /* Build ADISC and PLOGI lists for
dea3101e	193	* device authentication / discovery */
41415862 JW	194	#define LPFC_DISC_AUTH 12 /* Processing ADISC list */
41415862 JW	195	#define LPFC_CLEAR_LA 13 /* authentication cmplt - issue
dea3101e	196	CLEAR_LA */
dea3101e	197	#define LPFC_HBA_READY 32
41415862	198	#define LPFC_HBA_ERROR -1
dea3101e	199
9290831f	200	int32_t stopped; /* HBA has not been restarted since last ERATT */
dea3101e	201	uint8_t fc_linkspeed; /* Link speed after last READ_LA */
	202
	203	uint32_t fc_eventTag; /* event tag for link attention */
	204	uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
	205
	206	uint32_t num_disc_nodes; /in addition to hba_state /
	207
	208	struct timer_list fc_estabtmo; /* link establishment timer */
	209	struct timer_list fc_disctmo; /* Discovery rescue timer */
	210	struct timer_list fc_fdmitmo; /* fdmi timer */
	211	/* These fields used to be binfo */
	212	struct lpfc_name fc_nodename; /* fc nodename */
	213	struct lpfc_name fc_portname; /* fc portname */
	214	uint32_t fc_pref_DID; /* preferred D_ID */
	215	uint8_t fc_pref_ALPA; /* preferred AL_PA */
	216	uint32_t fc_edtov; /* E_D_TOV timer value */
	217	uint32_t fc_arbtov; /* ARB_TOV timer value */
	218	uint32_t fc_ratov; /* R_A_TOV timer value */
	219	uint32_t fc_rttov; /* R_T_TOV timer value */
	220	uint32_t fc_altov; /* AL_TOV timer value */
	221	uint32_t fc_crtov; /* C_R_TOV timer value */
	222	uint32_t fc_citov; /* C_I_TOV timer value */
	223	uint32_t fc_myDID; /* fibre channel S_ID */
	224	uint32_t fc_prevDID; /* previous fibre channel S_ID */
	225
	226	struct serv_parm fc_sparam; /* buffer for our service parameters */
	227	struct serv_parm fc_fabparam; /* fabric service parameters buffer */
	228	uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
	229
	230	uint8_t fc_ns_retry; /* retries for fabric nameserver */
	231	uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
	232	uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
	233	struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
	234	uint32_t lmt;
	235	uint32_t fc_flag; /* FC flags */
	236	#define FC_PT2PT 0x1 /* pt2pt with no fabric */
	237	#define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
	238	#define FC_DISC_TMO 0x4 /* Discovery timer running */
	239	#define FC_PUBLIC_LOOP 0x8 /* Public loop */
	240	#define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
	241	#define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
	242	#define FC_NLP_MORE 0x40 /* More node to process in node tbl */
	243	#define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
	244	#define FC_FABRIC 0x100 /* We are fabric attached */
	245	#define FC_ESTABLISH_LINK 0x200 /* Reestablish Link */
	246	#define FC_RSCN_DISCOVERY 0x400 /* Authenticate all devices after RSCN*/
	247	#define FC_LOADING 0x1000 /* HBA in process of loading drvr */
	248	#define FC_UNLOADING 0x2000 /* HBA in process of unloading drvr */
	249	#define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
	250	#define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
	251	#define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
c9f8735b	252	#define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
dea3101e	253
	254	uint32_t fc_topology; /* link topology, from LINK INIT */
	255
	256	struct lpfc_stats fc_stat;
	257
	258	/* These are the head/tail pointers for the bind, plogi, adisc, unmap,
	259	* and map lists. Their counters are immediately following.
	260	*/
	261	struct list_head fc_plogi_list;
	262	struct list_head fc_adisc_list;
	263	struct list_head fc_reglogin_list;
	264	struct list_head fc_prli_list;
	265	struct list_head fc_nlpunmap_list;
	266	struct list_head fc_nlpmap_list;
	267	struct list_head fc_npr_list;
	268	struct list_head fc_unused_list;
	269
	270	/* Keep counters for the number of entries in each list. */
	271	uint16_t fc_plogi_cnt;
	272	uint16_t fc_adisc_cnt;
	273	uint16_t fc_reglogin_cnt;
	274	uint16_t fc_prli_cnt;
	275	uint16_t fc_unmap_cnt;
	276	uint16_t fc_map_cnt;
	277	uint16_t fc_npr_cnt;
	278	uint16_t fc_unused_cnt;
	279	struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
	280	uint32_t nport_event_cnt; /* timestamp for nlplist entry */
	281
dea3101e	282	uint32_t wwnn[2];
	283	uint32_t RandomData[7];
	284
	285	uint32_t cfg_log_verbose;
	286	uint32_t cfg_lun_queue_depth;
	287	uint32_t cfg_nodev_tmo;
c01f3208	288	uint32_t cfg_devloss_tmo;
dea3101e	289	uint32_t cfg_hba_queue_depth;
	290	uint32_t cfg_fcp_class;
	291	uint32_t cfg_use_adisc;
	292	uint32_t cfg_ack0;
	293	uint32_t cfg_topology;
	294	uint32_t cfg_scan_down;
	295	uint32_t cfg_link_speed;
	296	uint32_t cfg_cr_delay;
	297	uint32_t cfg_cr_count;
cf5bf97e	298	uint32_t cfg_multi_ring_support;
dea3101e	299	uint32_t cfg_fdmi_on;
dea3101e	300	uint32_t cfg_discovery_threads;
dea3101e	301	uint32_t cfg_max_luns;
875fbdfe JSEC	302	uint32_t cfg_poll;
875fbdfe JSEC	303	uint32_t cfg_poll_tmo;
dea3101e	304	uint32_t cfg_sg_seg_cnt;
dea3101e	305	uint32_t cfg_sg_dma_buf_size;
c3f28afa	306	uint64_t cfg_soft_wwpn;
dea3101e	307
c01f3208 JS	308	uint32_t dev_loss_tmo_changed;
c01f3208 JS	309
dea3101e	310	lpfc_vpd_t vpd; /* vital product data */
	311
	312	struct Scsi_Host *host;
	313	struct pci_dev *pcidev;
	314	struct list_head work_list;
	315	uint32_t work_ha; /* Host Attention Bits for WT */
	316	uint32_t work_ha_mask; /* HA Bits owned by WT */
	317	uint32_t work_hs; /* HS stored in case of ERRAT */
	318	uint32_t work_status[2]; /* Extra status from SLIM */
	319	uint32_t work_hba_events; /* Timeout to be handled */
	320	#define WORKER_DISC_TMO 0x1 /* Discovery timeout */
	321	#define WORKER_ELS_TMO 0x2 /* ELS timeout */
	322	#define WORKER_MBOX_TMO 0x4 /* MBOX timeout */
	323	#define WORKER_FDMI_TMO 0x8 /* FDMI timeout */
	324
	325	wait_queue_head_t *work_wait;
	326	struct task_struct *worker_thread;
	327
	328	unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */
	329	unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */
	330	void __iomem slim_memmap_p; / Kernel memory mapped address for
	331	PCI BAR0 */
	332	void __iomem ctrl_regs_memmap_p;/ Kernel memory mapped address for
	333	PCI BAR2 */
	334
	335	void __iomem MBslimaddr; / virtual address for mbox cmds */
	336	void __iomem HAregaddr; / virtual address for host attn reg */
	337	void __iomem CAregaddr; / virtual address for chip attn reg */
	338	void __iomem HSregaddr; / virtual address for host status
	339	reg */
	340	void __iomem HCregaddr; / virtual address for host ctl reg */
	341
	342	int brd_no; /* FC board number */
	343
	344	char SerialNumber[32]; /* adapter Serial Number */
	345	char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
	346	char ModelDesc[256]; /* Model Description */
	347	char ModelName[80]; /* Model Name */
	348	char ProgramType[256]; /* Program Type */
	349	char Port[20]; /* Port No */
	350	uint8_t vpd_flag; /* VPD data flag */
	351
	352	#define VPD_MODEL_DESC 0x1 /* valid vpd model description */
	353	#define VPD_MODEL_NAME 0x2 /* valid vpd model name */
	354	#define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
	355	#define VPD_PORT 0x8 /* valid vpd port data */
	356	#define VPD_MASK 0xf /* mask for any vpd data */
	357
c3f28afa JS	358	uint8_t soft_wwpn_enable;
c3f28afa JS	359
875fbdfe	360	struct timer_list fcp_poll_timer;
dea3101e	361	struct timer_list els_tmofunc;
875fbdfe	362
dea3101e	363	/*
	364	* stat counters
	365	*/
	366	uint64_t fc4InputRequests;
	367	uint64_t fc4OutputRequests;
	368	uint64_t fc4ControlRequests;
	369
	370	struct lpfc_sysfs_mbox sysfs_mbox;
	371
	372	/* fastpath list. */
875fbdfe	373	spinlock_t scsi_buf_list_lock;
dea3101e	374	struct list_head lpfc_scsi_buf_list;
	375	uint32_t total_scsi_bufs;
	376	struct list_head lpfc_iocb_list;
	377	uint32_t total_iocbq_bufs;
	378
	379	/* pci_mem_pools */
	380	struct pci_pool *lpfc_scsi_dma_buf_pool;
	381	struct pci_pool *lpfc_mbuf_pool;
	382	struct lpfc_dma_pool lpfc_mbuf_safety_pool;
	383
	384	mempool_t *mbox_mem_pool;
	385	mempool_t *nlp_mem_pool;
	386	struct list_head freebufList;
	387	struct list_head ctrspbuflist;
	388	struct list_head rnidrspbuflist;
f888ba3c JSEC	389
f888ba3c JSEC	390	struct fc_host_statistics link_stats;
dea3101e	391	};
	392
	393
	394	struct rnidrsp {
	395	void *buf;
	396	uint32_t uniqueid;
	397	struct list_head list;
	398	uint32_t data;
	399	};
d2873e4c JS	400
d2873e4c JS	401	#define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */