/******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Enterprise Fibre Channel Host Bus Adapters. * * Refer to the README file included with this package for * * driver version and adapter support. * * Copyright (C) 2004 Emulex Corporation. * * www.emulex.com * * * * This program is free software; you can redistribute it and/or * * modify it under the terms of the GNU General Public License * * as published by the Free Software Foundation; either version 2 * * of the License, or (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details, a copy of which * * can be found in the file COPYING included with this package. * *******************************************************************/ /* * $Id: lpfc.h 1.134 2004/11/18 14:53:45EST sf_support Exp $ */ #ifndef _H_LPFC #define _H_LPFC struct lpfc_sli2_slim; #define LPFC_MAX_TARGET 256 /* max nunber of targets supported */ #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els requests */ #define LPFC_MAX_NS_RETRY 3 /* Try to get to the NameServer 3 times and then give 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 the SLIM2 page size. */ #define LPFC_SLIM2_PAGE_AREA 8192 /* 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 MAX_FCP_TARGET 256 /* max num of FCP targets supported */ #define FC_MAX_ADPTMSG 64 #define MAX_HBAEVT 32 #if __LITTLE_ENDIAN #define putLunLow(lunlow, lun) \ { \ lunlow = 0; \ } #define putLunHigh(lunhigh, lun) \ { \ lunhigh = swab16(lun); \ } #else /* BIG_ENDIAN_HOST */ #define putLunLow(lunlow, lun) \ { \ lunlow = 0; \ } #define putLunHigh(lunhigh, lun) \ { \ lunhigh = (uint32_t)(lun << 16); \ } #endif /****************************************************************************/ /* 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; struct lpfc_hba_event { uint32_t fc_eventcode; uint32_t fc_evdata1; uint32_t fc_evdata2; uint32_t fc_evdata3; uint32_t fc_evdata4; }; /* * 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 elsRcvRRQ; 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 { uint32_t intr_inited; /* flag for interrupt registration */ struct list_head hba_list; /* List of hbas/ports */ struct lpfc_sli sli; struct lpfc_sli2_slim *slim2p; dma_addr_t slim2p_mapping; uint32_t hba_state; #define LPFC_INIT_START 1 /* Initial state after board reset */ #define LPFC_INIT_MBX_CMDS 2 /* Initialize HBA with mbox commands */ #define LPFC_LINK_DOWN 3 /* HBA initialized, link is down */ #define LPFC_LINK_UP 4 /* Link is up - issue READ_LA */ #define LPFC_LOCAL_CFG_LINK 5 /* local NPORT Id configured */ #define LPFC_FLOGI 6 /* FLOGI sent to Fabric */ #define LPFC_FABRIC_CFG_LINK 7 /* Fabric assigned NPORT Id configured */ #define LPFC_NS_REG 8 /* Register with NameServer */ #define LPFC_NS_QRY 9 /* Query NameServer for NPort ID list */ #define LPFC_BUILD_DISC_LIST 10 /* Build ADISC and PLOGI lists for * device authentication / discovery */ #define LPFC_DISC_AUTH 11 /* Processing ADISC list */ #define LPFC_CLEAR_LA 12 /* authentication cmplt - issue CLEAR_LA */ #define LPFC_HBA_READY 32 #define LPFC_HBA_ERROR 0xff 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 */ uint8_t fcp_mapping; /* Map FCP devices based on WWNN WWPN or DID */ #define FCP_SEED_WWNN 0x1 #define FCP_SEED_WWPN 0x2 #define FCP_SEED_DID 0x4 #define FCP_SEED_MASK 0x7 #define FCP_SEED_AUTO 0x8 /* binding was created by auto mapping */ struct timer_list fc_estabtmo; /* link establishment timer */ struct timer_list fc_disctmo; /* Discovery rescue timer */ struct timer_list fc_fdmitmo; /* fdmi timer */ struct timer_list fc_scantmo; /* scsi scan host timer */ void *fc_evt_head; /* waiting for event queue */ void *fc_evt_tail; /* waiting for event queue */ uint16_t hba_event_put; /* hbaevent event put word anchor */ uint16_t hba_event_get; /* hbaevent event get word anchor */ uint32_t hba_event_missed; /* hbaevent missed event word anchor */ uint32_t sid_cnt; /* SCSI ID counter */ struct lpfc_hba_event hbaevt[MAX_HBAEVT]; /* 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 */ 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_nlpbind_list; 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_bind_cnt; 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 */ struct lpfc_target *device_queue_hash[MAX_FCP_TARGET]; #define LPFC_RPI_HASH_SIZE 64 #define LPFC_RPI_HASH_FUNC(x) ((x) & (0x3f)) /* ptr to active D_ID / RPIs */ struct lpfc_nodelist *fc_nlplookup[LPFC_RPI_HASH_SIZE]; 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_hba_queue_depth; uint32_t cfg_automap; 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_fdmi_on; uint32_t cfg_fcp_bind_method; uint32_t cfg_discovery_threads; uint32_t cfg_max_luns; uint32_t cfg_scsi_hotplug; lpfc_vpd_t vpd; /* vital product data */ #if defined(FC_TRANS_265_BLKPATCH) /* * Provide a per-HBA timer for 2.6.5 kernels patched with the * block/unblock FC transport patch. */ struct timer_list dev_loss_timer; #endif struct Scsi_Host *host; struct pci_dev *pcidev; struct list_head dpc_disc; pid_t dpc_pid; int dpc_kill; struct completion dpc_startup; struct completion dpc_exiting; struct semaphore *dpc_wait; unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */ unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */ void *slim_memmap_p; /* Kernel memory mapped address for PCI BAR0 */ void *ctrl_regs_memmap_p; /* Kernel memory mapped address for PCI BAR2 */ void *MBslimaddr; /* virtual address for mbox cmds */ void *HAregaddr; /* virtual address for host attn reg */ void *CAregaddr; /* virtual address for chip attn reg */ void *HSregaddr; /* virtual address for host status reg */ void *HCregaddr; /* virtual address for host ctl reg */ wait_queue_head_t linkevtwq; wait_queue_head_t rscnevtwq; wait_queue_head_t ctevtwq; uint8_t brd_no; /* FC board number */ char SerialNumber[32]; /* adapter Serial Number */ char OptionROMVersion[32]; /* adapter BIOS / Fcode version */ struct timer_list els_tmofunc; void *link_stats; /* * stat counters */ uint64_t fc4InputRequests; uint64_t fc4OutputRequests; uint64_t fc4ControlRequests; struct lpfc_sysfs_mbox sysfs_mbox; ; /* pci_mem_pools */ struct pci_pool *lpfc_scsi_dma_ext_pool; struct pci_pool *lpfc_mbuf_pool; struct lpfc_dma_pool lpfc_mbuf_safety_pool; mempool_t *scsibuf_mem_pool; mempool_t *iocb_mem_pool; mempool_t *mbox_mem_pool; mempool_t *nlp_mem_pool; mempool_t *bind_mem_pool; struct list_head freebufList; struct list_head ctrspbuflist; struct list_head rnidrspbuflist; }; /* event mask definitions */ #define FC_REG_LINK_EVENT 0x1 /* Register for link up / down events */ #define FC_REG_RSCN_EVENT 0x2 /* Register for RSCN events */ #define FC_REG_CT_EVENT 0x4 /* Register for CT request events */ #define FC_FSTYPE_ALL 0xffff /* match on all fsTypes */ typedef struct fcEVT { /* Kernel level Event structure */ uint32_t evt_handle; uint32_t evt_mask; uint32_t evt_data0; uint16_t evt_sleep; uint16_t evt_flags; void *evt_type; void *evt_next; void *evt_data1; uint32_t evt_data2; } fcEVT_t; typedef struct fcEVTHDR { /* Kernel level Event Header */ uint32_t e_handle; uint32_t e_mask; uint16_t e_mode; #define E_SLEEPING_MODE 0x0001 uint16_t e_refcnt; uint16_t e_flag; #define E_GET_EVENT_ACTIVE 0x0001 fcEVT_t *e_head; fcEVT_t *e_tail; void *e_next_header; void *e_type; } fcEVTHDR_t; struct rnidrsp { void *buf; uint32_t uniqueid; struct list_head list; uint32_t data; }; #endif /* _H_LPFC */