lpfc_sli.h revision a309a6b6e64b8147b7cfe7388237fb83834f58c9
158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen/*******************************************************************
258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * This file is part of the Emulex Linux Device Driver for         *
358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * Fibre Channel Host Bus Adapters.                                *
458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * Copyright (C) 2004-2006 Emulex.  All rights reserved.           *
558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * EMULEX and SLI are trademarks of Emulex.                        *
658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * www.emulex.com                                                  *
758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen *                                                                 *
858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * This program is free software; you can redistribute it and/or   *
958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * modify it under the terms of version 2 of the GNU General       *
1058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * Public License as published by the Free Software Foundation.    *
1158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * This program is distributed in the hope that it will be useful. *
1258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
1358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
1458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
1558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
1658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
1758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * more details, a copy of which can be found in the file COPYING  *
1858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * included with this package.                                     *
1958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen *******************************************************************/
2058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
2158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen/* forward declaration for LPFC_IOCB_t's use */
2258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinenstruct lpfc_hba;
2358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
2458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen/* Define the context types that SLI handles for abort and sums. */
2558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinentypedef enum _lpfc_ctx_cmd {
2658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	LPFC_CTX_LUN,
2758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	LPFC_CTX_TGT,
2858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	LPFC_CTX_CTX,
2958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	LPFC_CTX_HOST
3058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen} lpfc_ctx_cmd;
3158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
3258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen/* This structure is used to handle IOCB requests / responses */
3358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinenstruct lpfc_iocbq {
3458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	/* lpfc_iocbqs are used in double linked lists */
3558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	struct list_head list;
3658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint16_t iotag;         /* pre-assigned IO tag */
3758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint16_t rsvd1;
3858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
3958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	IOCB_t iocb;		/* IOCB cmd */
4058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint8_t retry;		/* retry counter for IOCB cmd - if needed */
4158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint8_t iocb_flag;
4258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define LPFC_IO_LIBDFC	1	/* libdfc iocb */
4358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define LPFC_IO_WAKE	2	/* High Priority Queue signal flag */
4458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define LPFC_IO_FCP	4	/* FCP command -- iocbq in scsi_buf */
4558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
4658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint8_t abort_count;
4758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint8_t rsvd2;
4858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t drvrTimeout;	/* driver timeout in seconds */
4958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	void *context1;		/* caller context information */
5058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	void *context2;		/* caller context information */
5158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	void *context3;		/* caller context information */
5258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	union {
5358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen		wait_queue_head_t  *wait_queue;
5458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen		struct lpfc_iocbq  *rsp_iocb;
5558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen		struct lpfcMboxq   *mbox;
5658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	} context_un;
5758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
5858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	void (*iocb_cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
5958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen			   struct lpfc_iocbq *);
6058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
6158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen};
6258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
6358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define SLI_IOCB_RET_IOCB      1	/* Return IOCB if cmd ring full */
6458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
6558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define IOCB_SUCCESS        0
6658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define IOCB_BUSY           1
6758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define IOCB_ERROR          2
6858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define IOCB_TIMEDOUT       3
6958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
7058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinentypedef struct lpfcMboxq {
7158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	/* MBOXQs are used in single linked lists */
7258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	struct list_head list;	/* ptr to next mailbox command */
7358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	MAILBOX_t mb;		/* Mailbox cmd */
7458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	void *context1;		/* caller context information */
7558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	void *context2;		/* caller context information */
7658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
7758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	void (*mbox_cmpl) (struct lpfc_hba *, struct lpfcMboxq *);
7858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
7958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen} LPFC_MBOXQ_t;
8058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
8158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define MBX_POLL        1	/* poll mailbox till command done, then
8258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen				   return */
8358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define MBX_NOWAIT      2	/* issue command then return immediately */
8458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define MBX_STOP_IOCB   4	/* Stop iocb processing till mbox cmds
8558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen				   complete */
8658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
8758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define LPFC_MAX_RING_MASK  4	/* max num of rctl/type masks allowed per
8858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen				   ring */
8958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define LPFC_MAX_RING       4	/* max num of SLI rings used by driver */
9058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
9158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinenstruct lpfc_sli_ring;
9258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
9358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinenstruct lpfc_sli_ring_mask {
9458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint8_t profile;	/* profile associated with ring */
9558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint8_t rctl;	/* rctl / type pair configured for ring */
9658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint8_t type;	/* rctl / type pair configured for ring */
9758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint8_t rsvd;
9858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	/* rcv'd unsol event */
9958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	void (*lpfc_sli_rcv_unsol_event) (struct lpfc_hba *,
10058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen					 struct lpfc_sli_ring *,
10158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen					 struct lpfc_iocbq *);
10258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen};
10358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
10458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
10558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen/* Structure used to hold SLI statistical counters and info */
10658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinenstruct lpfc_sli_ring_stat {
10758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint64_t iocb_event;	 /* IOCB event counters */
10858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint64_t iocb_cmd;	 /* IOCB cmd issued */
10958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint64_t iocb_rsp;	 /* IOCB rsp received */
11058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint64_t iocb_cmd_delay; /* IOCB cmd ring delay */
11158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint64_t iocb_cmd_full;	 /* IOCB cmd ring full */
11258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint64_t iocb_cmd_empty; /* IOCB cmd ring is now empty */
11358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint64_t iocb_rsp_full;	 /* IOCB rsp ring full */
11458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen};
11558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
11658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen/* Structure used to hold SLI ring information */
11758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinenstruct lpfc_sli_ring {
11858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint16_t flag;		/* ring flags */
11958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define LPFC_DEFERRED_RING_EVENT 0x001	/* Deferred processing a ring event */
12058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define LPFC_CALL_RING_AVAILABLE 0x002	/* indicates cmd was full */
12158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define LPFC_STOP_IOCB_MBX       0x010	/* Stop processing IOCB cmds mbox */
12258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define LPFC_STOP_IOCB_EVENT     0x020	/* Stop processing IOCB cmds event */
12358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define LPFC_STOP_IOCB_MASK      0x030	/* Stop processing IOCB cmds mask */
12458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint16_t abtsiotag;	/* tracks next iotag to use for ABTS */
12558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
12658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t local_getidx;   /* last available cmd index (from cmdGetInx) */
12758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t next_cmdidx;    /* next_cmd index */
12858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t rspidx;	/* current index in response ring */
12958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t cmdidx;	/* current index in command ring */
13058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint8_t rsvd;
13158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint8_t ringno;		/* ring number */
13258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint16_t numCiocb;	/* number of command iocb's per ring */
13358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint16_t numRiocb;	/* number of rsp iocb's per ring */
13458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
13558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t fast_iotag;	/* max fastlookup based iotag           */
13658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t iotag_ctr;	/* keeps track of the next iotag to use */
13758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t iotag_max;	/* max iotag value to use               */
13858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	struct list_head txq;
13958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint16_t txq_cnt;	/* current length of queue */
14058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint16_t txq_max;	/* max length */
14158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	struct list_head txcmplq;
14258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint16_t txcmplq_cnt;	/* current length of queue */
14358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint16_t txcmplq_max;	/* max length */
14458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t *cmdringaddr;	/* virtual address for cmd rings */
14558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t *rspringaddr;	/* virtual address for rsp rings */
14658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t missbufcnt;	/* keep track of buffers to post */
14758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	struct list_head postbufq;
14858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint16_t postbufq_cnt;	/* current length of queue */
14958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint16_t postbufq_max;	/* max length */
15058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	struct list_head iocb_continueq;
15158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint16_t iocb_continueq_cnt;	/* current length of queue */
15258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint16_t iocb_continueq_max;	/* max length */
15358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
15458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	struct lpfc_sli_ring_mask prt[LPFC_MAX_RING_MASK];
15558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t num_mask;	/* number of mask entries in prt array */
15658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
15758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	struct lpfc_sli_ring_stat stats;	/* SLI statistical info */
15858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
15958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	/* cmd ring available */
16058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	void (*lpfc_sli_cmd_available) (struct lpfc_hba *,
16158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen					struct lpfc_sli_ring *);
16258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen};
16358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
16458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen/* Structure used to hold SLI statistical counters and info */
16558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinenstruct lpfc_sli_stat {
16658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint64_t mbox_stat_err;  /* Mbox cmds completed status error */
16758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint64_t mbox_cmd;       /* Mailbox commands issued */
16858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint64_t sli_intr;       /* Count of Host Attention interrupts */
16958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t err_attn_event; /* Error Attn event counters */
17058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t link_event;     /* Link event counters */
17158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t mbox_event;     /* Mailbox event counters */
17258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t mbox_busy;	 /* Mailbox cmd busy */
17358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen};
17458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
17558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen/* Structure to store link status values when port stats are reset */
17658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinenstruct lpfc_lnk_stat {
17758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t link_failure_count;
17858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t loss_of_sync_count;
17958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t loss_of_signal_count;
18058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t prim_seq_protocol_err_count;
18158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t invalid_tx_word_count;
18258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t invalid_crc_count;
18358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t error_frames;
18458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t link_events;
18558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen};
18658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
18758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen/* Structure used to hold SLI information */
18858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinenstruct lpfc_sli {
18958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t num_rings;
19058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint32_t sli_flag;
19158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
19258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	/* Additional sli_flags */
19358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define LPFC_SLI_MBOX_ACTIVE      0x100	/* HBA mailbox is currently active */
19458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define LPFC_SLI2_ACTIVE          0x200	/* SLI2 overlay in firmware is active */
19558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define LPFC_PROCESS_LA           0x400	/* Able to process link attention */
19658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
19758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	struct lpfc_sli_ring ring[LPFC_MAX_RING];
19858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	int fcp_ring;		/* ring used for FCP initiator commands */
19958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	int next_ring;
20058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
20158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	int ip_ring;		/* ring used for IP network drv cmds */
20258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
20358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	struct lpfc_sli_stat slistat;	/* SLI statistical info */
20458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	struct list_head mboxq;
20558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint16_t mboxq_cnt;	/* current length of queue */
20658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint16_t mboxq_max;	/* max length */
20758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	LPFC_MBOXQ_t *mbox_active;	/* active mboxq information */
20858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
20958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	struct timer_list mbox_tmo;	/* Hold clk to timeout active mbox
21058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen					   cmd */
21158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
21258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define LPFC_IOCBQ_LOOKUP_INCREMENT  1024
21358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	struct lpfc_iocbq ** iocbq_lookup; /* array to lookup IOCB by IOTAG */
21458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	size_t iocbq_lookup_len;           /* current lengs of the array */
21558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	uint16_t  last_iotag;              /* last allocated IOTAG */
21658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	unsigned long  stats_start;        /* in seconds */
21758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen	struct lpfc_lnk_stat lnk_stat_offsets;
21858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen};
21958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
22058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen/* Given a pointer to the start of the ring, and the slot number of
22158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * the desired iocb entry, calc a pointer to that entry.
22258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * (assume iocb entry size is 32 bytes, or 8 words)
22358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen */
22458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define IOCB_ENTRY(ring,slot) ((IOCB_t *)(((char *)(ring)) + ((slot) * 32)))
22558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen
22658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define LPFC_MBOX_TMO           30	/* Sec tmo for outstanding mbox
22758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen					   command */
22858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define LPFC_MBOX_TMO_FLASH_CMD 300     /* Sec tmo for outstanding FLASH write
22958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen					 * or erase cmds. This is especially
23058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen					 * long because of the potential of
23158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen					 * multiple flash erases that can be
23258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen					 * spawned.
23358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen					 */
23458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen