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