| /******************************************************************* |
| * This file is part of the Emulex Linux Device Driver for * |
| * Fibre Channel Host Bus Adapters. * |
| * Copyright (C) 2004-2008 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. * |
| *******************************************************************/ |
| |
| #include <scsi/scsi_host.h> |
| |
| struct lpfc_sli2_slim; |
| |
| #define LPFC_MAX_TARGET 256 /* max number of targets supported */ |
| #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els |
| requests */ |
| #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact |
| the NameServer before giving up. */ |
| #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */ |
| #define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */ |
| #define LPFC_MAX_SG_SEG_CNT 256 /* sg element count per scsi cmnd */ |
| #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */ |
| #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */ |
| |
| /* |
| * Following time intervals are used of adjusting SCSI device |
| * queue depths when there are driver resource error or Firmware |
| * resource error. |
| */ |
| #define QUEUE_RAMP_DOWN_INTERVAL (1 * HZ) /* 1 Second */ |
| #define QUEUE_RAMP_UP_INTERVAL (300 * HZ) /* 5 minutes */ |
| |
| /* Number of exchanges reserved for discovery to complete */ |
| #define LPFC_DISC_IOCB_BUFF_COUNT 20 |
| |
| #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */ |
| #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */ |
| |
| /* 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 FC_MAX_ADPTMSG 64 |
| |
| #define MAX_HBAEVT 32 |
| |
| enum lpfc_polling_flags { |
| ENABLE_FCP_RING_POLLING = 0x1, |
| DISABLE_FCP_RING_INT = 0x2 |
| }; |
| |
| /* 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 */ |
| uint32_t buffer_tag; /* used for tagged queue ring */ |
| }; |
| |
| struct lpfc_dma_pool { |
| struct lpfc_dmabuf *elements; |
| uint32_t max_count; |
| uint32_t current_count; |
| }; |
| |
| struct hbq_dmabuf { |
| struct lpfc_dmabuf dbuf; |
| uint32_t size; |
| uint32_t tag; |
| }; |
| |
| /* 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; |
| struct { |
| #ifdef __BIG_ENDIAN_BITFIELD |
| uint32_t rsvd2 :24; /* Reserved */ |
| uint32_t cmv : 1; /* Configure Max VPIs */ |
| uint32_t ccrp : 1; /* Config Command Ring Polling */ |
| uint32_t csah : 1; /* Configure Synchronous Abort Handling */ |
| uint32_t chbs : 1; /* Cofigure Host Backing store */ |
| uint32_t cinb : 1; /* Enable Interrupt Notification Block */ |
| uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ |
| uint32_t cmx : 1; /* Configure Max XRIs */ |
| uint32_t cmr : 1; /* Configure Max RPIs */ |
| #else /* __LITTLE_ENDIAN */ |
| uint32_t cmr : 1; /* Configure Max RPIs */ |
| uint32_t cmx : 1; /* Configure Max XRIs */ |
| uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ |
| uint32_t cinb : 1; /* Enable Interrupt Notification Block */ |
| uint32_t chbs : 1; /* Cofigure Host Backing store */ |
| uint32_t csah : 1; /* Configure Synchronous Abort Handling */ |
| uint32_t ccrp : 1; /* Config Command Ring Polling */ |
| uint32_t cmv : 1; /* Configure Max VPIs */ |
| uint32_t rsvd2 :24; /* Reserved */ |
| #endif |
| } sli3Feat; |
| } 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 elsRcvLIRR; |
| uint32_t elsRcvRPS; |
| uint32_t elsRcvRPL; |
| uint32_t elsXmitFLOGI; |
| uint32_t elsXmitFDISC; |
| 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; |
| |
| |
| enum discovery_state { |
| LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */ |
| LPFC_VPORT_FAILED = 1, /* vport has failed */ |
| LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */ |
| LPFC_FLOGI = 7, /* FLOGI sent to Fabric */ |
| LPFC_FDISC = 8, /* FDISC sent for vport */ |
| LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id |
| * configured */ |
| LPFC_NS_REG = 10, /* Register with NameServer */ |
| LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */ |
| LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for |
| * device authentication / discovery */ |
| LPFC_DISC_AUTH = 13, /* Processing ADISC list */ |
| LPFC_VPORT_READY = 32, |
| }; |
| |
| enum hba_state { |
| LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */ |
| LPFC_WARM_START = 1, /* HBA state after selective reset */ |
| LPFC_INIT_START = 2, /* Initial state after board reset */ |
| LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */ |
| LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */ |
| LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */ |
| LPFC_CLEAR_LA = 6, /* authentication cmplt - issue |
| * CLEAR_LA */ |
| LPFC_HBA_READY = 32, |
| LPFC_HBA_ERROR = -1 |
| }; |
| |
| struct lpfc_vport { |
| struct list_head listentry; |
| struct lpfc_hba *phba; |
| uint8_t port_type; |
| #define LPFC_PHYSICAL_PORT 1 |
| #define LPFC_NPIV_PORT 2 |
| #define LPFC_FABRIC_PORT 3 |
| enum discovery_state port_state; |
| |
| uint16_t vpi; |
| |
| uint32_t fc_flag; /* FC flags */ |
| /* Several of these flags are HBA centric and should be moved to |
| * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP) |
| */ |
| #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 /* Auth all devices after RSCN */ |
| #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 */ |
| #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */ |
| #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */ |
| #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */ |
| |
| uint32_t ct_flags; |
| #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */ |
| #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */ |
| #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */ |
| #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */ |
| #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */ |
| |
| struct list_head fc_nodes; |
| |
| /* 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 serv_parm fc_sparam; /* buffer for our service parameters */ |
| |
| uint32_t fc_myDID; /* fibre channel S_ID */ |
| uint32_t fc_prevDID; /* previous fibre channel S_ID */ |
| |
| int32_t stopped; /* HBA has not been restarted since last ERATT */ |
| uint8_t fc_linkspeed; /* Link speed after last READ_LA */ |
| |
| uint32_t num_disc_nodes; /*in addition to hba_state */ |
| |
| uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */ |
| uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */ |
| uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */ |
| struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN]; |
| struct lpfc_name fc_nodename; /* fc nodename */ |
| struct lpfc_name fc_portname; /* fc portname */ |
| |
| struct lpfc_work_evt disc_timeout_evt; |
| |
| struct timer_list fc_disctmo; /* Discovery rescue timer */ |
| uint8_t fc_ns_retry; /* retries for fabric nameserver */ |
| uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */ |
| |
| spinlock_t work_port_lock; |
| uint32_t work_port_events; /* Timeout to be handled */ |
| #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */ |
| #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */ |
| #define WORKER_FDMI_TMO 0x4 /* vport: FDMI timeout */ |
| |
| #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */ |
| #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */ |
| #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */ |
| #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */ |
| #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */ |
| |
| struct timer_list fc_fdmitmo; |
| struct timer_list els_tmofunc; |
| |
| int unreg_vpi_cmpl; |
| |
| uint8_t load_flag; |
| #define FC_LOADING 0x1 /* HBA in process of loading drvr */ |
| #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */ |
| char *vname; /* Application assigned name */ |
| |
| /* Vport Config Parameters */ |
| uint32_t cfg_scan_down; |
| uint32_t cfg_lun_queue_depth; |
| uint32_t cfg_nodev_tmo; |
| uint32_t cfg_devloss_tmo; |
| uint32_t cfg_restrict_login; |
| uint32_t cfg_peer_port_login; |
| uint32_t cfg_fcp_class; |
| uint32_t cfg_use_adisc; |
| uint32_t cfg_fdmi_on; |
| uint32_t cfg_discovery_threads; |
| uint32_t cfg_log_verbose; |
| uint32_t cfg_max_luns; |
| uint32_t cfg_enable_da_id; |
| |
| uint32_t dev_loss_tmo_changed; |
| |
| struct fc_vport *fc_vport; |
| |
| #ifdef CONFIG_LPFC_DEBUG_FS |
| struct dentry *debug_disc_trc; |
| struct dentry *debug_nodelist; |
| struct dentry *vport_debugfs_root; |
| struct lpfc_debugfs_trc *disc_trc; |
| atomic_t disc_trc_cnt; |
| #endif |
| }; |
| |
| struct hbq_s { |
| uint16_t entry_count; /* Current number of HBQ slots */ |
| uint16_t buffer_count; /* Current number of buffers posted */ |
| uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */ |
| uint32_t hbqPutIdx; /* HBQ slot to use */ |
| uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */ |
| void *hbq_virt; /* Virtual ptr to this hbq */ |
| struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */ |
| /* Callback for HBQ buffer allocation */ |
| struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *); |
| /* Callback for HBQ buffer free */ |
| void (*hbq_free_buffer) (struct lpfc_hba *, |
| struct hbq_dmabuf *); |
| }; |
| |
| #define LPFC_MAX_HBQS 4 |
| /* this matches the position in the lpfc_hbq_defs array */ |
| #define LPFC_ELS_HBQ 0 |
| #define LPFC_EXTRA_HBQ 1 |
| |
| enum hba_temp_state { |
| HBA_NORMAL_TEMP, |
| HBA_OVER_TEMP |
| }; |
| |
| enum intr_type_t { |
| NONE = 0, |
| INTx, |
| MSI, |
| MSIX, |
| }; |
| |
| struct lpfc_hba { |
| struct lpfc_sli sli; |
| uint32_t sli_rev; /* SLI2 or SLI3 */ |
| uint32_t sli3_options; /* Mask of enabled SLI3 options */ |
| #define LPFC_SLI3_ENABLED 0x01 |
| #define LPFC_SLI3_HBQ_ENABLED 0x02 |
| #define LPFC_SLI3_NPIV_ENABLED 0x04 |
| #define LPFC_SLI3_VPORT_TEARDOWN 0x08 |
| uint32_t iocb_cmd_size; |
| uint32_t iocb_rsp_size; |
| |
| enum hba_state link_state; |
| uint32_t link_flag; /* link state flags */ |
| #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */ |
| /* This flag is set while issuing */ |
| /* INIT_LINK mailbox command */ |
| #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */ |
| #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */ |
| |
| struct lpfc_sli2_slim *slim2p; |
| struct lpfc_dmabuf hbqslimp; |
| |
| dma_addr_t slim2p_mapping; |
| |
| uint16_t pci_cfg_value; |
| |
| uint8_t work_found; |
| #define LPFC_MAX_WORKER_ITERATION 4 |
| |
| uint8_t fc_linkspeed; /* Link speed after last READ_LA */ |
| |
| uint32_t fc_eventTag; /* event tag for link attention */ |
| |
| |
| struct timer_list fc_estabtmo; /* link establishment timer */ |
| /* These fields used to be binfo */ |
| 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 */ |
| |
| struct serv_parm fc_fabparam; /* fabric service parameters buffer */ |
| uint8_t alpa_map[128]; /* AL_PA map from READ_LA */ |
| |
| uint32_t lmt; |
| |
| uint32_t fc_topology; /* link topology, from LINK INIT */ |
| |
| struct lpfc_stats fc_stat; |
| |
| struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */ |
| uint32_t nport_event_cnt; /* timestamp for nlplist entry */ |
| |
| uint8_t wwnn[8]; |
| uint8_t wwpn[8]; |
| uint32_t RandomData[7]; |
| |
| /* HBA Config Parameters */ |
| uint32_t cfg_ack0; |
| uint32_t cfg_enable_npiv; |
| uint32_t cfg_topology; |
| uint32_t cfg_link_speed; |
| uint32_t cfg_cr_delay; |
| uint32_t cfg_cr_count; |
| uint32_t cfg_multi_ring_support; |
| uint32_t cfg_multi_ring_rctl; |
| uint32_t cfg_multi_ring_type; |
| uint32_t cfg_poll; |
| uint32_t cfg_poll_tmo; |
| uint32_t cfg_use_msi; |
| uint32_t cfg_sg_seg_cnt; |
| uint32_t cfg_sg_dma_buf_size; |
| uint64_t cfg_soft_wwnn; |
| uint64_t cfg_soft_wwpn; |
| uint32_t cfg_hba_queue_depth; |
| uint32_t cfg_enable_hba_reset; |
| uint32_t cfg_enable_hba_heartbeat; |
| |
| lpfc_vpd_t vpd; /* vital product data */ |
| |
| 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 */ |
| |
| wait_queue_head_t *work_wait; |
| struct task_struct *worker_thread; |
| |
| uint32_t hbq_in_use; /* HBQs in use flag */ |
| struct list_head hbqbuf_in_list; /* in-fly hbq buffer list */ |
| uint32_t hbq_count; /* Count of configured HBQs */ |
| struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */ |
| |
| 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 */ |
| |
| struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */ |
| uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */ |
| uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */ |
| |
| 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 */ |
| |
| uint8_t soft_wwn_enable; |
| |
| struct timer_list fcp_poll_timer; |
| |
| /* |
| * stat counters |
| */ |
| uint64_t fc4InputRequests; |
| uint64_t fc4OutputRequests; |
| uint64_t fc4ControlRequests; |
| |
| struct lpfc_sysfs_mbox sysfs_mbox; |
| |
| /* fastpath list. */ |
| spinlock_t scsi_buf_list_lock; |
| struct list_head lpfc_scsi_buf_list; |
| uint32_t total_scsi_bufs; |
| struct list_head lpfc_iocb_list; |
| uint32_t total_iocbq_bufs; |
| spinlock_t hbalock; |
| |
| /* pci_mem_pools */ |
| struct pci_pool *lpfc_scsi_dma_buf_pool; |
| struct pci_pool *lpfc_mbuf_pool; |
| struct pci_pool *lpfc_hbq_pool; |
| struct lpfc_dma_pool lpfc_mbuf_safety_pool; |
| |
| mempool_t *mbox_mem_pool; |
| mempool_t *nlp_mem_pool; |
| |
| struct fc_host_statistics link_stats; |
| enum intr_type_t intr_type; |
| struct msix_entry msix_entries[1]; |
| |
| struct list_head port_list; |
| struct lpfc_vport *pport; /* physical lpfc_vport pointer */ |
| uint16_t max_vpi; /* Maximum virtual nports */ |
| #define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */ |
| unsigned long *vpi_bmask; /* vpi allocation table */ |
| |
| /* Data structure used by fabric iocb scheduler */ |
| struct list_head fabric_iocb_list; |
| atomic_t fabric_iocb_count; |
| struct timer_list fabric_block_timer; |
| unsigned long bit_flags; |
| #define FABRIC_COMANDS_BLOCKED 0 |
| atomic_t num_rsrc_err; |
| atomic_t num_cmd_success; |
| unsigned long last_rsrc_error_time; |
| unsigned long last_ramp_down_time; |
| unsigned long last_ramp_up_time; |
| #ifdef CONFIG_LPFC_DEBUG_FS |
| struct dentry *hba_debugfs_root; |
| atomic_t debugfs_vport_count; |
| struct dentry *debug_hbqinfo; |
| struct dentry *debug_dumpHostSlim; |
| struct dentry *debug_dumpHBASlim; |
| struct dentry *debug_slow_ring_trc; |
| struct lpfc_debugfs_trc *slow_ring_trc; |
| atomic_t slow_ring_trc_cnt; |
| #endif |
| |
| /* Used for deferred freeing of ELS data buffers */ |
| struct list_head elsbuf; |
| int elsbuf_cnt; |
| int elsbuf_prev_cnt; |
| |
| uint8_t temp_sensor_support; |
| /* Fields used for heart beat. */ |
| unsigned long last_completion_time; |
| struct timer_list hb_tmofunc; |
| uint8_t hb_outstanding; |
| /* ndlp reference management */ |
| spinlock_t ndlp_lock; |
| /* |
| * Following bit will be set for all buffer tags which are not |
| * associated with any HBQ. |
| */ |
| #define QUE_BUFTAG_BIT (1<<31) |
| uint32_t buffer_tag_count; |
| enum hba_temp_state over_temp_state; |
| }; |
| |
| static inline struct Scsi_Host * |
| lpfc_shost_from_vport(struct lpfc_vport *vport) |
| { |
| return container_of((void *) vport, struct Scsi_Host, hostdata[0]); |
| } |
| |
| static inline void |
| lpfc_set_loopback_flag(struct lpfc_hba *phba) |
| { |
| if (phba->cfg_topology == FLAGS_LOCAL_LB) |
| phba->link_flag |= LS_LOOPBACK_MODE; |
| else |
| phba->link_flag &= ~LS_LOOPBACK_MODE; |
| } |
| |
| static inline int |
| lpfc_is_link_up(struct lpfc_hba *phba) |
| { |
| return phba->link_state == LPFC_LINK_UP || |
| phba->link_state == LPFC_CLEAR_LA || |
| phba->link_state == LPFC_HBA_READY; |
| } |
| |
| #define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */ |
| #define FC_REG_TEMPERATURE_EVENT 0x20 /* Register for temperature |
| event */ |
| |
| struct temp_event { |
| uint32_t event_type; |
| uint32_t event_code; |
| uint32_t data; |
| }; |
| #define LPFC_CRIT_TEMP 0x1 |
| #define LPFC_THRESHOLD_TEMP 0x2 |
| #define LPFC_NORMAL_TEMP 0x3 |
