| /******************************************************************* |
| * This file is part of the Emulex Linux Device Driver for * |
| * Fibre Channel Host Bus Adapters. * |
| * Copyright (C) 2004-2005 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 targets supported */ |
| #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els req */ |
| #define LPFC_MAX_NS_RETRY 3 /* max NameServer retries */ |
| |
| #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 30 /* 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 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 |
| |
| /* 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 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 { |
| struct list_head hba_list; /* List of hbas/ports */ |
| struct lpfc_sli sli; |
| struct lpfc_sli2_slim *slim2p; |
| dma_addr_t slim2p_mapping; |
| uint16_t pci_cfg_value; |
| |
| 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 */ |
| |
| 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 */ |
| |
| 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_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_fdmi_on; |
| uint32_t cfg_fcp_bind_method; |
| uint32_t cfg_discovery_threads; |
| uint32_t cfg_max_luns; |
| uint32_t cfg_sg_seg_cnt; |
| uint32_t cfg_sg_dma_buf_size; |
| |
| 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 */ |
| |
| struct timer_list els_tmofunc; |
| /* |
| * stat counters |
| */ |
| uint64_t fc4InputRequests; |
| uint64_t fc4OutputRequests; |
| uint64_t fc4ControlRequests; |
| |
| struct lpfc_sysfs_mbox sysfs_mbox; |
| |
| /* fastpath list. */ |
| 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; |
| }; |
