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Diffstat (limited to 'drivers/scsi/lpfc/lpfc.h')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc.h | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h new file mode 100644 index 000000000000..d78247c63d04 --- /dev/null +++ b/drivers/scsi/lpfc/lpfc.h @@ -0,0 +1,384 @@ +/******************************************************************* + * 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 1.167 2005/04/07 08:47:05EDT sf_support Exp $ + */ + +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 */ + +#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_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; + + void *link_stats; + + /* + * 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 rnidrsp { + void *buf; + uint32_t uniqueid; + struct list_head list; + uint32_t data; +}; |