[deliverable/linux.git] / drivers / scsi / lpfc / lpfc_sli.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                                                  *
 *                                                                 *
 * 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.                                     *
 *******************************************************************/

/* forward declaration for LPFC_IOCB_t's use */
struct lpfc_hba;
struct lpfc_vport;

/* Define the context types that SLI handles for abort and sums. */
typedef enum _lpfc_ctx_cmd {
	LPFC_CTX_LUN,
	LPFC_CTX_TGT,
	LPFC_CTX_HOST
} lpfc_ctx_cmd;

/* This structure is used to handle IOCB requests / responses */
struct lpfc_iocbq {
	/* lpfc_iocbqs are used in double linked lists */
	struct list_head list;
	struct list_head clist;
	uint16_t iotag;         /* pre-assigned IO tag */
	uint16_t rsvd1;

	IOCB_t iocb;		/* IOCB cmd */
	uint8_t retry;		/* retry counter for IOCB cmd - if needed */
	uint8_t iocb_flag;
#define LPFC_IO_LIBDFC		1	/* libdfc iocb */
#define LPFC_IO_WAKE		2	/* High Priority Queue signal flag */
#define LPFC_IO_FCP		4	/* FCP command -- iocbq in scsi_buf */
#define LPFC_DRIVER_ABORTED	8	/* driver aborted this request */
#define LPFC_IO_FABRIC		0x10	/* Iocb send using fabric scheduler */
#define LPFC_DELAY_MEM_FREE	0x20    /* Defer free'ing of FC data */

	uint8_t abort_count;
	uint8_t rsvd2;
	uint32_t drvrTimeout;	/* driver timeout in seconds */
	struct lpfc_vport *vport;/* virtual port pointer */
	void *context1;		/* caller context information */
	void *context2;		/* caller context information */
	void *context3;		/* caller context information */
	union {
		wait_queue_head_t    *wait_queue;
		struct lpfc_iocbq    *rsp_iocb;
		struct lpfcMboxq     *mbox;
		struct lpfc_nodelist *ndlp;
	} context_un;

	void (*fabric_iocb_cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
			   struct lpfc_iocbq *);
	void (*iocb_cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
			   struct lpfc_iocbq *);

};

#define SLI_IOCB_RET_IOCB      1	/* Return IOCB if cmd ring full */

#define IOCB_SUCCESS        0
#define IOCB_BUSY           1
#define IOCB_ERROR          2
#define IOCB_TIMEDOUT       3

#define LPFC_MBX_WAKE		1
#define LPFC_MBX_IMED_UNREG	2

typedef struct lpfcMboxq {
	/* MBOXQs are used in single linked lists */
	struct list_head list;	/* ptr to next mailbox command */
	MAILBOX_t mb;		/* Mailbox cmd */
	struct lpfc_vport *vport;/* virutal port pointer */
	void *context1;		/* caller context information */
	void *context2;		/* caller context information */

	void (*mbox_cmpl) (struct lpfc_hba *, struct lpfcMboxq *);
	uint8_t mbox_flag;

} LPFC_MBOXQ_t;

#define MBX_POLL        1	/* poll mailbox till command done, then
				   return */
#define MBX_NOWAIT      2	/* issue command then return immediately */

#define LPFC_MAX_RING_MASK  4	/* max num of rctl/type masks allowed per
				   ring */
#define LPFC_MAX_RING       4	/* max num of SLI rings used by driver */

struct lpfc_sli_ring;

struct lpfc_sli_ring_mask {
	uint8_t profile;	/* profile associated with ring */
	uint8_t rctl;	/* rctl / type pair configured for ring */
	uint8_t type;	/* rctl / type pair configured for ring */
	uint8_t rsvd;
	/* rcv'd unsol event */
	void (*lpfc_sli_rcv_unsol_event) (struct lpfc_hba *,
					 struct lpfc_sli_ring *,
					 struct lpfc_iocbq *);
};


/* Structure used to hold SLI statistical counters and info */
struct lpfc_sli_ring_stat {
	uint64_t iocb_event;	 /* IOCB event counters */
	uint64_t iocb_cmd;	 /* IOCB cmd issued */
	uint64_t iocb_rsp;	 /* IOCB rsp received */
	uint64_t iocb_cmd_delay; /* IOCB cmd ring delay */
	uint64_t iocb_cmd_full;	 /* IOCB cmd ring full */
	uint64_t iocb_cmd_empty; /* IOCB cmd ring is now empty */
	uint64_t iocb_rsp_full;	 /* IOCB rsp ring full */
};

/* Structure used to hold SLI ring information */
struct lpfc_sli_ring {
	uint16_t flag;		/* ring flags */
#define LPFC_DEFERRED_RING_EVENT 0x001	/* Deferred processing a ring event */
#define LPFC_CALL_RING_AVAILABLE 0x002	/* indicates cmd was full */
#define LPFC_STOP_IOCB_EVENT     0x020	/* Stop processing IOCB cmds event */
	uint16_t abtsiotag;	/* tracks next iotag to use for ABTS */

	uint32_t local_getidx;   /* last available cmd index (from cmdGetInx) */
	uint32_t next_cmdidx;    /* next_cmd index */
	uint32_t rspidx;	/* current index in response ring */
	uint32_t cmdidx;	/* current index in command ring */
	uint8_t rsvd;
	uint8_t ringno;		/* ring number */
	uint16_t numCiocb;	/* number of command iocb's per ring */
	uint16_t numRiocb;	/* number of rsp iocb's per ring */
	uint16_t sizeCiocb;	/* Size of command iocb's in this ring */
	uint16_t sizeRiocb;	/* Size of response iocb's in this ring */

	uint32_t fast_iotag;	/* max fastlookup based iotag           */
	uint32_t iotag_ctr;	/* keeps track of the next iotag to use */
	uint32_t iotag_max;	/* max iotag value to use               */
	struct list_head txq;
	uint16_t txq_cnt;	/* current length of queue */
	uint16_t txq_max;	/* max length */
	struct list_head txcmplq;
	uint16_t txcmplq_cnt;	/* current length of queue */
	uint16_t txcmplq_max;	/* max length */
	uint32_t *cmdringaddr;	/* virtual address for cmd rings */
	uint32_t *rspringaddr;	/* virtual address for rsp rings */
	uint32_t missbufcnt;	/* keep track of buffers to post */
	struct list_head postbufq;
	uint16_t postbufq_cnt;	/* current length of queue */
	uint16_t postbufq_max;	/* max length */
	struct list_head iocb_continueq;
	uint16_t iocb_continueq_cnt;	/* current length of queue */
	uint16_t iocb_continueq_max;	/* max length */
	struct list_head iocb_continue_saveq;

	struct lpfc_sli_ring_mask prt[LPFC_MAX_RING_MASK];
	uint32_t num_mask;	/* number of mask entries in prt array */
	void (*lpfc_sli_rcv_async_status) (struct lpfc_hba *,
		struct lpfc_sli_ring *, struct lpfc_iocbq *);

	struct lpfc_sli_ring_stat stats;	/* SLI statistical info */

	/* cmd ring available */
	void (*lpfc_sli_cmd_available) (struct lpfc_hba *,
					struct lpfc_sli_ring *);
};

/* Structure used for configuring rings to a specific profile or rctl / type */
struct lpfc_hbq_init {
	uint32_t rn;		/* Receive buffer notification */
	uint32_t entry_count;	/* max # of entries in HBQ */
	uint32_t headerLen;	/* 0 if not profile 4 or 5 */
	uint32_t logEntry;	/* Set to 1 if this HBQ used for LogEntry */
	uint32_t profile;	/* Selection profile 0=all, 7=logentry */
	uint32_t ring_mask;	/* Binds HBQ to a ring e.g. Ring0=b0001,
				 * ring2=b0100 */
	uint32_t hbq_index;	/* index of this hbq in ring .HBQs[] */

	uint32_t seqlenoff;
	uint32_t maxlen;
	uint32_t seqlenbcnt;
	uint32_t cmdcodeoff;
	uint32_t cmdmatch[8];
	uint32_t mask_count;	/* number of mask entries in prt array */
	struct hbq_mask hbqMasks[6];

	/* Non-config rings fields to keep track of buffer allocations */
	uint32_t buffer_count;	/* number of buffers allocated */
	uint32_t init_count;	/* number to allocate when initialized */
	uint32_t add_count;	/* number to allocate when starved */
} ;

/* Structure used to hold SLI statistical counters and info */
struct lpfc_sli_stat {
	uint64_t mbox_stat_err;  /* Mbox cmds completed status error */
	uint64_t mbox_cmd;       /* Mailbox commands issued */
	uint64_t sli_intr;       /* Count of Host Attention interrupts */
	uint32_t err_attn_event; /* Error Attn event counters */
	uint32_t link_event;     /* Link event counters */
	uint32_t mbox_event;     /* Mailbox event counters */
	uint32_t mbox_busy;	 /* Mailbox cmd busy */
};

/* Structure to store link status values when port stats are reset */
struct lpfc_lnk_stat {
	uint32_t link_failure_count;
	uint32_t loss_of_sync_count;
	uint32_t loss_of_signal_count;
	uint32_t prim_seq_protocol_err_count;
	uint32_t invalid_tx_word_count;
	uint32_t invalid_crc_count;
	uint32_t error_frames;
	uint32_t link_events;
};

/* Structure used to hold SLI information */
struct lpfc_sli {
	uint32_t num_rings;
	uint32_t sli_flag;

	/* Additional sli_flags */
#define LPFC_SLI_MBOX_ACTIVE      0x100	/* HBA mailbox is currently active */
#define LPFC_SLI2_ACTIVE          0x200	/* SLI2 overlay in firmware is active */
#define LPFC_PROCESS_LA           0x400	/* Able to process link attention */
#define LPFC_BLOCK_MGMT_IO        0x800	/* Don't allow mgmt mbx or iocb cmds */
#define LPFC_MENLO_MAINT          0x1000 /* need for menl fw download */

	struct lpfc_sli_ring ring[LPFC_MAX_RING];
	int fcp_ring;		/* ring used for FCP initiator commands */
	int next_ring;

	int extra_ring;		/* extra ring used for other protocols */

	struct lpfc_sli_stat slistat;	/* SLI statistical info */
	struct list_head mboxq;
	uint16_t mboxq_cnt;	/* current length of queue */
	uint16_t mboxq_max;	/* max length */
	LPFC_MBOXQ_t *mbox_active;	/* active mboxq information */
	struct list_head mboxq_cmpl;

	struct timer_list mbox_tmo;	/* Hold clk to timeout active mbox
					   cmd */

#define LPFC_IOCBQ_LOOKUP_INCREMENT  1024
	struct lpfc_iocbq ** iocbq_lookup; /* array to lookup IOCB by IOTAG */
	size_t iocbq_lookup_len;           /* current lengs of the array */
	uint16_t  last_iotag;              /* last allocated IOTAG */
	unsigned long  stats_start;        /* in seconds */
	struct lpfc_lnk_stat lnk_stat_offsets;
};

#define LPFC_MBOX_TMO           30	/* Sec tmo for outstanding mbox
					   command */
#define LPFC_MBOX_TMO_FLASH_CMD 300     /* Sec tmo for outstanding FLASH write
					 * or erase cmds. This is especially
					 * long because of the potential of
					 * multiple flash erases that can be
					 * spawned.
					 */
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 *
	7	* *
	8	* This program is free software; you can redistribute it and/or *
c44ce173 JSEC	9	* modify it under the terms of version 2 of the GNU General *
	10	* Public License as published by the Free Software Foundation. *
	11	* This program is distributed in the hope that it will be useful. *
	12	* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
	13	* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
	14	* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
	15	* DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
	16	* TO BE LEGALLY INVALID. See the GNU General Public License for *
	17	* more details, a copy of which can be found in the file COPYING *
	18	* included with this package. *
dea3101e	19	*******************************************************************/
dea3101e	20
dea3101e	21	/* forward declaration for LPFC_IOCB_t's use */
dea3101e	22	struct lpfc_hba;
2e0fef85	23	struct lpfc_vport;
dea3101e	24
	25	/* Define the context types that SLI handles for abort and sums. */
	26	typedef enum _lpfc_ctx_cmd {
	27	LPFC_CTX_LUN,
	28	LPFC_CTX_TGT,
dea3101e	29	LPFC_CTX_HOST
	30	} lpfc_ctx_cmd;
	31
	32	/* This structure is used to handle IOCB requests / responses */
	33	struct lpfc_iocbq {
	34	/* lpfc_iocbqs are used in double linked lists */
	35	struct list_head list;
9c2face6	36	struct list_head clist;
604a3e30 JB	37	uint16_t iotag; /* pre-assigned IO tag */
	38	uint16_t rsvd1;
	39
dea3101e	40	IOCB_t iocb; /* IOCB cmd */
	41	uint8_t retry; /* retry counter for IOCB cmd - if needed */
	42	uint8_t iocb_flag;
07951076 JS	43	#define LPFC_IO_LIBDFC 1 /* libdfc iocb */
	44	#define LPFC_IO_WAKE 2 /* High Priority Queue signal flag */
	45	#define LPFC_IO_FCP 4 /* FCP command -- iocbq in scsi_buf */
	46	#define LPFC_DRIVER_ABORTED 8 /* driver aborted this request */
92d7f7b0	47	#define LPFC_IO_FABRIC 0x10 /* Iocb send using fabric scheduler */
0ff10d46	48	#define LPFC_DELAY_MEM_FREE 0x20 /* Defer free'ing of FC data */
dea3101e	49
	50	uint8_t abort_count;
	51	uint8_t rsvd2;
	52	uint32_t drvrTimeout; /* driver timeout in seconds */
2e0fef85	53	struct lpfc_vport vport;/ virtual port pointer */
dea3101e	54	void context1; / caller context information */
	55	void context2; / caller context information */
	56	void context3; / caller context information */
	57	union {
51ef4c26 JS	58	wait_queue_head_t *wait_queue;
	59	struct lpfc_iocbq *rsp_iocb;
	60	struct lpfcMboxq *mbox;
	61	struct lpfc_nodelist *ndlp;
dea3101e	62	} context_un;
dea3101e	63
92d7f7b0 JS	64	void (fabric_iocb_cmpl) (struct lpfc_hba , struct lpfc_iocbq *,
92d7f7b0 JS	65	struct lpfc_iocbq *);
dea3101e	66	void (iocb_cmpl) (struct lpfc_hba , struct lpfc_iocbq *,
	67	struct lpfc_iocbq *);
	68
	69	};
	70
	71	#define SLI_IOCB_RET_IOCB 1 /* Return IOCB if cmd ring full */
dea3101e	72
	73	#define IOCB_SUCCESS 0
	74	#define IOCB_BUSY 1
	75	#define IOCB_ERROR 2
	76	#define IOCB_TIMEDOUT 3
	77
858c9f6c JS	78	#define LPFC_MBX_WAKE 1
858c9f6c JS	79	#define LPFC_MBX_IMED_UNREG 2
7054a606	80
dea3101e	81	typedef struct lpfcMboxq {
	82	/* MBOXQs are used in single linked lists */
	83	struct list_head list; /* ptr to next mailbox command */
	84	MAILBOX_t mb; /* Mailbox cmd */
2e0fef85	85	struct lpfc_vport vport;/ virutal port pointer */
dea3101e	86	void context1; / caller context information */
	87	void context2; / caller context information */
	88
	89	void (mbox_cmpl) (struct lpfc_hba , struct lpfcMboxq *);
7054a606	90	uint8_t mbox_flag;
dea3101e	91
	92	} LPFC_MBOXQ_t;
	93
	94	#define MBX_POLL 1 /* poll mailbox till command done, then
	95	return */
	96	#define MBX_NOWAIT 2 /* issue command then return immediately */
dea3101e	97
	98	#define LPFC_MAX_RING_MASK 4 /* max num of rctl/type masks allowed per
	99	ring */
	100	#define LPFC_MAX_RING 4 /* max num of SLI rings used by driver */
	101
	102	struct lpfc_sli_ring;
	103
	104	struct lpfc_sli_ring_mask {
	105	uint8_t profile; /* profile associated with ring */
	106	uint8_t rctl; /* rctl / type pair configured for ring */
	107	uint8_t type; /* rctl / type pair configured for ring */
	108	uint8_t rsvd;
	109	/* rcv'd unsol event */
	110	void (lpfc_sli_rcv_unsol_event) (struct lpfc_hba ,
	111	struct lpfc_sli_ring *,
	112	struct lpfc_iocbq *);
	113	};
	114
	115
	116	/* Structure used to hold SLI statistical counters and info */
	117	struct lpfc_sli_ring_stat {
	118	uint64_t iocb_event; /* IOCB event counters */
	119	uint64_t iocb_cmd; /* IOCB cmd issued */
	120	uint64_t iocb_rsp; /* IOCB rsp received */
	121	uint64_t iocb_cmd_delay; /* IOCB cmd ring delay */
	122	uint64_t iocb_cmd_full; /* IOCB cmd ring full */
	123	uint64_t iocb_cmd_empty; /* IOCB cmd ring is now empty */
	124	uint64_t iocb_rsp_full; /* IOCB rsp ring full */
	125	};
	126
	127	/* Structure used to hold SLI ring information */
	128	struct lpfc_sli_ring {
	129	uint16_t flag; /* ring flags */
	130	#define LPFC_DEFERRED_RING_EVENT 0x001 /* Deferred processing a ring event */
	131	#define LPFC_CALL_RING_AVAILABLE 0x002 /* indicates cmd was full */
dea3101e	132	#define LPFC_STOP_IOCB_EVENT 0x020 /* Stop processing IOCB cmds event */
dea3101e	133	uint16_t abtsiotag; /* tracks next iotag to use for ABTS */
	134
	135	uint32_t local_getidx; /* last available cmd index (from cmdGetInx) */
	136	uint32_t next_cmdidx; /* next_cmd index */
f91b392c JSEC	137	uint32_t rspidx; /* current index in response ring */
f91b392c JSEC	138	uint32_t cmdidx; /* current index in command ring */
dea3101e	139	uint8_t rsvd;
dea3101e	140	uint8_t ringno; /* ring number */
dea3101e	141	uint16_t numCiocb; /* number of command iocb's per ring */
dea3101e	142	uint16_t numRiocb; /* number of rsp iocb's per ring */
ed957684	143	uint16_t sizeCiocb; /* Size of command iocb's in this ring */
311464ec	144	uint16_t sizeRiocb; /* Size of response iocb's in this ring */
dea3101e	145
	146	uint32_t fast_iotag; /* max fastlookup based iotag */
	147	uint32_t iotag_ctr; /* keeps track of the next iotag to use */
	148	uint32_t iotag_max; /* max iotag value to use */
dea3101e	149	struct list_head txq;
	150	uint16_t txq_cnt; /* current length of queue */
	151	uint16_t txq_max; /* max length */
	152	struct list_head txcmplq;
	153	uint16_t txcmplq_cnt; /* current length of queue */
	154	uint16_t txcmplq_max; /* max length */
	155	uint32_t cmdringaddr; / virtual address for cmd rings */
	156	uint32_t rspringaddr; / virtual address for rsp rings */
	157	uint32_t missbufcnt; /* keep track of buffers to post */
	158	struct list_head postbufq;
	159	uint16_t postbufq_cnt; /* current length of queue */
	160	uint16_t postbufq_max; /* max length */
	161	struct list_head iocb_continueq;
	162	uint16_t iocb_continueq_cnt; /* current length of queue */
	163	uint16_t iocb_continueq_max; /* max length */
9c2face6	164	struct list_head iocb_continue_saveq;
dea3101e	165
	166	struct lpfc_sli_ring_mask prt[LPFC_MAX_RING_MASK];
	167	uint32_t num_mask; /* number of mask entries in prt array */
57127f15 JS	168	void (lpfc_sli_rcv_async_status) (struct lpfc_hba ,
57127f15 JS	169	struct lpfc_sli_ring , struct lpfc_iocbq );
dea3101e	170
	171	struct lpfc_sli_ring_stat stats; /* SLI statistical info */
	172
	173	/* cmd ring available */
	174	void (lpfc_sli_cmd_available) (struct lpfc_hba ,
	175	struct lpfc_sli_ring *);
	176	};
	177
ed957684 JS	178	/* Structure used for configuring rings to a specific profile or rctl / type */
	179	struct lpfc_hbq_init {
	180	uint32_t rn; /* Receive buffer notification */
92d7f7b0	181	uint32_t entry_count; /* max # of entries in HBQ */
ed957684 JS	182	uint32_t headerLen; /* 0 if not profile 4 or 5 */
	183	uint32_t logEntry; /* Set to 1 if this HBQ used for LogEntry */
	184	uint32_t profile; /* Selection profile 0=all, 7=logentry */
	185	uint32_t ring_mask; /* Binds HBQ to a ring e.g. Ring0=b0001,
	186	* ring2=b0100 */
	187	uint32_t hbq_index; /* index of this hbq in ring .HBQs[] */
	188
	189	uint32_t seqlenoff;
	190	uint32_t maxlen;
	191	uint32_t seqlenbcnt;
	192	uint32_t cmdcodeoff;
	193	uint32_t cmdmatch[8];
	194	uint32_t mask_count; /* number of mask entries in prt array */
	195	struct hbq_mask hbqMasks[6];
92d7f7b0 JS	196
	197	/* Non-config rings fields to keep track of buffer allocations */
	198	uint32_t buffer_count; /* number of buffers allocated */
	199	uint32_t init_count; /* number to allocate when initialized */
	200	uint32_t add_count; /* number to allocate when starved */
ed957684 JS	201	} ;
ed957684 JS	202
dea3101e	203	/* Structure used to hold SLI statistical counters and info */
	204	struct lpfc_sli_stat {
	205	uint64_t mbox_stat_err; /* Mbox cmds completed status error */
	206	uint64_t mbox_cmd; /* Mailbox commands issued */
	207	uint64_t sli_intr; /* Count of Host Attention interrupts */
	208	uint32_t err_attn_event; /* Error Attn event counters */
	209	uint32_t link_event; /* Link event counters */
	210	uint32_t mbox_event; /* Mailbox event counters */
	211	uint32_t mbox_busy; /* Mailbox cmd busy */
	212	};
	213
64ba8818 JS	214	/* Structure to store link status values when port stats are reset */
	215	struct lpfc_lnk_stat {
	216	uint32_t link_failure_count;
	217	uint32_t loss_of_sync_count;
	218	uint32_t loss_of_signal_count;
	219	uint32_t prim_seq_protocol_err_count;
	220	uint32_t invalid_tx_word_count;
	221	uint32_t invalid_crc_count;
	222	uint32_t error_frames;
	223	uint32_t link_events;
	224	};
	225
dea3101e	226	/* Structure used to hold SLI information */
	227	struct lpfc_sli {
	228	uint32_t num_rings;
	229	uint32_t sli_flag;
	230
	231	/* Additional sli_flags */
	232	#define LPFC_SLI_MBOX_ACTIVE 0x100 /* HBA mailbox is currently active */
	233	#define LPFC_SLI2_ACTIVE 0x200 /* SLI2 overlay in firmware is active */
	234	#define LPFC_PROCESS_LA 0x400 /* Able to process link attention */
2e0fef85	235	#define LPFC_BLOCK_MGMT_IO 0x800 /* Don't allow mgmt mbx or iocb cmds */
84774a4d	236	#define LPFC_MENLO_MAINT 0x1000 /* need for menl fw download */
dea3101e	237
	238	struct lpfc_sli_ring ring[LPFC_MAX_RING];
	239	int fcp_ring; /* ring used for FCP initiator commands */
	240	int next_ring;
	241
a4bc3379	242	int extra_ring; /* extra ring used for other protocols */
dea3101e	243
	244	struct lpfc_sli_stat slistat; /* SLI statistical info */
	245	struct list_head mboxq;
	246	uint16_t mboxq_cnt; /* current length of queue */
	247	uint16_t mboxq_max; /* max length */
	248	LPFC_MBOXQ_t mbox_active; / active mboxq information */
92d7f7b0	249	struct list_head mboxq_cmpl;
dea3101e	250
	251	struct timer_list mbox_tmo; /* Hold clk to timeout active mbox
	252	cmd */
	253
604a3e30 JB	254	#define LPFC_IOCBQ_LOOKUP_INCREMENT 1024
	255	struct lpfc_iocbq ** iocbq_lookup; /* array to lookup IOCB by IOTAG */
	256	size_t iocbq_lookup_len; /* current lengs of the array */
	257	uint16_t last_iotag; /* last allocated IOTAG */
64ba8818 JS	258	unsigned long stats_start; /* in seconds */
64ba8818 JS	259	struct lpfc_lnk_stat lnk_stat_offsets;
dea3101e	260	};
dea3101e	261
dea3101e	262	#define LPFC_MBOX_TMO 30 /* Sec tmo for outstanding mbox
dea3101e	263	command */
a309a6b6 JS	264	#define LPFC_MBOX_TMO_FLASH_CMD 300 /* Sec tmo for outstanding FLASH write
	265	* or erase cmds. This is especially
	266	* long because of the potential of
	267	* multiple flash erases that can be
	268	* spawned.
	269	*/