/******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * * Copyright (C) 2004-2012 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 #if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS) #define CONFIG_SCSI_LPFC_DEBUG_FS #endif struct lpfc_sli2_slim; #define ELX_MODEL_NAME_SIZE 80 #define LPFC_PCI_DEV_LP 0x1 #define LPFC_PCI_DEV_OC 0x2 #define LPFC_SLI_REV2 2 #define LPFC_SLI_REV3 3 #define LPFC_SLI_REV4 4 #define LPFC_MAX_TARGET 4096 /* 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_DEFAULT_MENLO_SG_SEG_CNT 128 /* sg element count per scsi cmnd for menlo needs nearly twice as for firmware downloads using bsg */ #define LPFC_MIN_SG_SLI4_BUF_SZ 0x800 /* based on LPFC_DEFAULT_SG_SEG_CNT */ #define LPFC_MAX_SG_SLI4_SEG_CNT_DIF 128 /* sg element count per scsi cmnd */ #define LPFC_MAX_SG_SEG_CNT_DIF 512 /* sg element count per scsi cmnd */ #define LPFC_MAX_SG_SEG_CNT 4096 /* sg element count per scsi cmnd */ #define LPFC_MAX_SGL_SEG_CNT 512 /* SGL element count per scsi cmnd */ #define LPFC_MAX_BPL_SEG_CNT 4096 /* BPL element count per scsi cmnd */ #define LPFC_MAX_SGE_SIZE 0x80000000 /* Maximum data allowed in a SGE */ #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 */ #define LPFC_VNAME_LEN 100 /* vport symbolic name length */ #define LPFC_TGTQ_INTERVAL 40000 /* Min amount of time between tgt queue depth change in millisecs */ #define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */ #define LPFC_MIN_TGT_QDEPTH 10 #define LPFC_MAX_TGT_QDEPTH 0xFFFF #define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data collection. */ /* * Following time intervals are used of adjusting SCSI device * queue depths when there are driver resource error or Firmware * resource error. */ /* 1 Second */ #define QUEUE_RAMP_DOWN_INTERVAL (msecs_to_jiffies(1000 * 1)) /* 5 minutes */ #define QUEUE_RAMP_UP_INTERVAL (msecs_to_jiffies(1000 * 300)) /* 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 LPFC_LOOK_AHEAD_OFF 0 /* Look ahead logic is turned off */ /* Error Attention event polling interval */ #define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval 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 /* Number of MSI-X vectors the driver uses */ #define LPFC_MSIX_VECTORS 2 /* lpfc wait event data ready flag */ #define LPFC_DATA_READY (1<<0) /* queue dump line buffer size */ #define LPFC_LBUF_SZ 128 /* mailbox system shutdown options */ #define LPFC_MBX_NO_WAIT 0 #define LPFC_MBX_WAIT 1 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 hbuf; struct lpfc_dmabuf dbuf; uint32_t size; uint32_t tag; struct lpfc_cq_event cq_event; unsigned long time_stamp; }; /* 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 rsvd3 :19; /* Reserved */ uint32_t cdss : 1; /* Configure Data Security SLI */ uint32_t rsvd2 : 3; /* Reserved */ uint32_t cbg : 1; /* Configure BlockGuard */ 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 cbg : 1; /* Configure BlockGuard */ uint32_t rsvd2 : 3; /* Reserved */ uint32_t cdss : 1; /* Configure Data Security SLI */ uint32_t rsvd3 :19; /* 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 elsRcvRLS; uint32_t elsRcvRPS; uint32_t elsRcvRPL; uint32_t elsRcvRRQ; uint32_t elsRcvRTV; uint32_t elsRcvECHO; 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; }; 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 lpfc_hba *phba; struct list_head listentry; 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; uint16_t vfi; uint8_t vpi_state; #define LPFC_VPI_REGISTERED 0x1 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_VPORT_LOGO_RCVD 0x200 /* LOGO received on vport */ #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */ #define FC_LOGO_RCVD_DID_CHNG 0x800 /* FDISC on phys port detect DID chng*/ #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 */ #define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */ #define FC_VPORT_CVL_RCVD 0x400000 /* VLink failed due to CVL */ #define FC_VFI_REGISTERED 0x800000 /* VFI is registered */ #define FC_FDISC_COMPLETED 0x1000000/* FDISC completed */ #define FC_DISC_DELAYED 0x2000000/* Delay NPort discovery */ 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 */ struct lpfc_name fabric_portname; struct lpfc_name fabric_nodename; 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_DELAYED_DISC_TMO 0x8 /* vport: delayed discovery */ #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 */ #define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */ struct timer_list fc_fdmitmo; struct timer_list els_tmofunc; struct timer_list delayed_disc_tmo; 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 */ /* 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 cfg_max_scsicmpl_time; uint32_t cfg_tgt_queue_depth; uint32_t dev_loss_tmo_changed; struct fc_vport *fc_vport; #ifdef CONFIG_SCSI_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 uint8_t stat_data_enabled; uint8_t stat_data_blocked; struct list_head rcv_buffer_list; unsigned long rcv_buffer_time_stamp; uint32_t vport_flag; #define STATIC_VPORT 1 }; 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, }; #define LPFC_CT_CTX_MAX 64 struct unsol_rcv_ct_ctx { uint32_t ctxt_id; uint32_t SID; uint32_t valid; #define UNSOL_INVALID 0 #define UNSOL_VALID 1 uint16_t oxid; uint16_t rxid; }; #define LPFC_USER_LINK_SPEED_AUTO 0 /* auto select (default)*/ #define LPFC_USER_LINK_SPEED_1G 1 /* 1 Gigabaud */ #define LPFC_USER_LINK_SPEED_2G 2 /* 2 Gigabaud */ #define LPFC_USER_LINK_SPEED_4G 4 /* 4 Gigabaud */ #define LPFC_USER_LINK_SPEED_8G 8 /* 8 Gigabaud */ #define LPFC_USER_LINK_SPEED_10G 10 /* 10 Gigabaud */ #define LPFC_USER_LINK_SPEED_16G 16 /* 16 Gigabaud */ #define LPFC_USER_LINK_SPEED_MAX LPFC_USER_LINK_SPEED_16G #define LPFC_USER_LINK_SPEED_BITMAP ((1 << LPFC_USER_LINK_SPEED_16G) | \ (1 << LPFC_USER_LINK_SPEED_10G) | \ (1 << LPFC_USER_LINK_SPEED_8G) | \ (1 << LPFC_USER_LINK_SPEED_4G) | \ (1 << LPFC_USER_LINK_SPEED_2G) | \ (1 << LPFC_USER_LINK_SPEED_1G) | \ (1 << LPFC_USER_LINK_SPEED_AUTO)) #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16" enum nemb_type { nemb_mse = 1, nemb_hbd }; enum mbox_type { mbox_rd = 1, mbox_wr }; enum dma_type { dma_mbox = 1, dma_ebuf }; enum sta_type { sta_pre_addr = 1, sta_pos_addr }; struct lpfc_mbox_ext_buf_ctx { uint32_t state; #define LPFC_BSG_MBOX_IDLE 0 #define LPFC_BSG_MBOX_HOST 1 #define LPFC_BSG_MBOX_PORT 2 #define LPFC_BSG_MBOX_DONE 3 #define LPFC_BSG_MBOX_ABTS 4 enum nemb_type nembType; enum mbox_type mboxType; uint32_t numBuf; uint32_t mbxTag; uint32_t seqNum; struct lpfc_dmabuf *mbx_dmabuf; struct list_head ext_dmabuf_list; }; struct lpfc_hba { /* SCSI interface function jump table entries */ int (*lpfc_new_scsi_buf) (struct lpfc_vport *, int); struct lpfc_scsi_buf * (*lpfc_get_scsi_buf) (struct lpfc_hba *, struct lpfc_nodelist *); int (*lpfc_scsi_prep_dma_buf) (struct lpfc_hba *, struct lpfc_scsi_buf *); void (*lpfc_scsi_unprep_dma_buf) (struct lpfc_hba *, struct lpfc_scsi_buf *); void (*lpfc_release_scsi_buf) (struct lpfc_hba *, struct lpfc_scsi_buf *); void (*lpfc_rampdown_queue_depth) (struct lpfc_hba *); void (*lpfc_scsi_prep_cmnd) (struct lpfc_vport *, struct lpfc_scsi_buf *, struct lpfc_nodelist *); /* IOCB interface function jump table entries */ int (*__lpfc_sli_issue_iocb) (struct lpfc_hba *, uint32_t, struct lpfc_iocbq *, uint32_t); void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *, struct lpfc_iocbq *); int (*lpfc_hba_down_post)(struct lpfc_hba *phba); IOCB_t * (*lpfc_get_iocb_from_iocbq) (struct lpfc_iocbq *); void (*lpfc_scsi_cmd_iocb_cmpl) (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *); /* MBOX interface function jump table entries */ int (*lpfc_sli_issue_mbox) (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); /* Slow-path IOCB process function jump table entries */ void (*lpfc_sli_handle_slow_ring_event) (struct lpfc_hba *phba, struct lpfc_sli_ring *pring, uint32_t mask); /* INIT device interface function jump table entries */ int (*lpfc_sli_hbq_to_firmware) (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *); int (*lpfc_sli_brdrestart) (struct lpfc_hba *); int (*lpfc_sli_brdready) (struct lpfc_hba *, uint32_t); void (*lpfc_handle_eratt) (struct lpfc_hba *); void (*lpfc_stop_port) (struct lpfc_hba *); int (*lpfc_hba_init_link) (struct lpfc_hba *, uint32_t); int (*lpfc_hba_down_link) (struct lpfc_hba *, uint32_t); int (*lpfc_selective_reset) (struct lpfc_hba *); int (*lpfc_bg_scsi_prep_dma_buf) (struct lpfc_hba *, struct lpfc_scsi_buf *); /* Add new entries here */ /* SLI4 specific HBA data structure */ struct lpfc_sli4_hba sli4_hba; struct lpfc_sli sli; uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */ uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */ uint32_t sli3_options; /* Mask of enabled SLI3 options */ #define LPFC_SLI3_HBQ_ENABLED 0x01 #define LPFC_SLI3_NPIV_ENABLED 0x02 #define LPFC_SLI3_VPORT_TEARDOWN 0x04 #define LPFC_SLI3_CRP_ENABLED 0x08 #define LPFC_SLI3_BG_ENABLED 0x20 #define LPFC_SLI3_DSS_ENABLED 0x40 #define LPFC_SLI4_PERFH_ENABLED 0x80 #define LPFC_SLI4_PHWQ_ENABLED 0x100 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 */ uint32_t hba_flag; /* hba generic flags */ #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */ #define DEFER_ERATT 0x2 /* Deferred error attention in progress */ #define HBA_FCOE_MODE 0x4 /* HBA function in FCoE Mode */ #define HBA_SP_QUEUE_EVT 0x8 /* Slow-path qevt posted to worker thread*/ #define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */ #define FCP_XRI_ABORT_EVENT 0x20 #define ELS_XRI_ABORT_EVENT 0x40 #define ASYNC_EVENT 0x80 #define LINK_DISABLED 0x100 /* Link disabled by user */ #define FCF_TS_INPROG 0x200 /* FCF table scan in progress */ #define FCF_RR_INPROG 0x400 /* FCF roundrobin flogi in progress */ #define HBA_FIP_SUPPORT 0x800 /* FIP support in HBA */ #define HBA_AER_ENABLED 0x1000 /* AER enabled with HBA */ #define HBA_DEVLOSS_TMO 0x2000 /* HBA in devloss timeout */ #define HBA_RRQ_ACTIVE 0x4000 /* process the rrq active list */ #define HBA_FCP_IOQ_FLUSH 0x8000 /* FCP I/O queues being flushed */ uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/ struct lpfc_dmabuf slim2p; MAILBOX_t *mbox; uint32_t *mbox_ext; struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx; uint32_t ha_copy; struct _PCB *pcb; struct _IOCB *IOCBs; struct lpfc_dmabuf hbqslimp; uint16_t pci_cfg_value; uint8_t fc_linkspeed; /* Link speed after last READ_LA */ uint32_t fc_eventTag; /* event tag for link attention */ uint32_t link_events; /* 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_edtovResol; /* E_D_TOV timer resolution */ 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 */ uint32_t fc_topology_changed; /* 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_enable_rrq; uint32_t cfg_topology; uint32_t cfg_link_speed; #define LPFC_FCF_FOV 1 /* Fast fcf failover */ #define LPFC_FCF_PRIORITY 2 /* Priority fcf failover */ uint32_t cfg_fcf_failover_policy; uint32_t cfg_fcp_io_sched; uint32_t cfg_fcp2_no_tgt_reset; 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_fcp_imax; uint32_t cfg_fcp_wq_count; uint32_t cfg_fcp_eq_count; uint32_t cfg_fcp_io_channel; uint32_t cfg_total_seg_cnt; uint32_t cfg_sg_seg_cnt; uint32_t cfg_prot_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; uint32_t cfg_enable_bg; uint32_t cfg_hostmem_hgp; uint32_t cfg_log_verbose; uint32_t cfg_aer_support; uint32_t cfg_sriov_nr_virtfn; uint32_t cfg_request_firmware_upgrade; uint32_t cfg_iocb_cnt; uint32_t cfg_suppress_link_up; #define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */ #define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */ #define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */ uint32_t cfg_enable_dss; 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_waitq; struct task_struct *worker_thread; unsigned long data_flags; uint32_t hbq_in_use; /* HBQs in use flag */ struct list_head rb_pend_list; /* Received buffers to be processed */ uint32_t hbq_count; /* Count of configured HBQs */ struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */ atomic_t fcp_qidx; /* next work queue to post work to */ unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */ unsigned long pci_bar1_map; /* Physical address for PCI BAR1 */ 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 *pci_bar0_memmap_p; /* Kernel memory mapped address for PCI BAR0 with dual-ULP support */ void __iomem *pci_bar2_memmap_p; /* Kernel memory mapped address for PCI BAR2 with dual-ULP support */ void __iomem *pci_bar4_memmap_p; /* Kernel memory mapped address for PCI BAR4 with dual-ULP support */ #define PCI_64BIT_BAR0 0 #define PCI_64BIT_BAR2 2 #define PCI_64BIT_BAR4 4 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 */ struct lpfc_pgp *port_gp; 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; struct timer_list eratt_poll; /* * stat counters */ uint64_t fc4InputRequests; uint64_t fc4OutputRequests; uint64_t fc4ControlRequests; uint64_t bg_guard_err_cnt; uint64_t bg_apptag_err_cnt; uint64_t bg_reftag_err_cnt; /* fastpath list. */ spinlock_t scsi_buf_list_get_lock; /* SCSI buf alloc list lock */ spinlock_t scsi_buf_list_put_lock; /* SCSI buf free list lock */ struct list_head lpfc_scsi_buf_list_get; struct list_head lpfc_scsi_buf_list_put; uint32_t total_scsi_bufs; struct list_head lpfc_iocb_list; uint32_t total_iocbq_bufs; struct list_head active_rrq_list; spinlock_t hbalock; /* pci_mem_pools */ struct pci_pool *lpfc_scsi_dma_buf_pool; struct pci_pool *lpfc_mbuf_pool; struct pci_pool *lpfc_hrb_pool; /* header receive buffer pool */ struct pci_pool *lpfc_drb_pool; /* data receive buffer pool */ struct pci_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */ struct lpfc_dma_pool lpfc_mbuf_safety_pool; mempool_t *mbox_mem_pool; mempool_t *nlp_mem_pool; mempool_t *rrq_pool; struct fc_host_statistics link_stats; enum intr_type_t intr_type; uint32_t intr_mode; #define LPFC_INTR_ERROR 0xFFFFFFFF struct msix_entry msix_entries[LPFC_MSIX_VECTORS]; 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 */ uint16_t max_vports; /* * For IOV HBAs max_vpi can change * after a reset. max_vports is max * number of vports present. This can * be greater than max_vpi. */ uint16_t vpi_base; uint16_t vfi_base; unsigned long *vpi_bmask; /* vpi allocation table */ uint16_t *vpi_ids; uint16_t vpi_count; struct list_head lpfc_vpi_blk_list; /* 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_SCSI_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_dumpData; /* BlockGuard BPL */ struct dentry *debug_dumpDif; /* BlockGuard BPL */ struct dentry *debug_InjErrLBA; /* LBA to inject errors at */ struct dentry *debug_InjErrNPortID; /* NPortID to inject errors at */ struct dentry *debug_InjErrWWPN; /* WWPN to inject errors at */ struct dentry *debug_writeGuard; /* inject write guard_tag errors */ struct dentry *debug_writeApp; /* inject write app_tag errors */ struct dentry *debug_writeRef; /* inject write ref_tag errors */ struct dentry *debug_readGuard; /* inject read guard_tag errors */ struct dentry *debug_readApp; /* inject read app_tag errors */ struct dentry *debug_readRef; /* inject read ref_tag errors */ /* T10 DIF error injection */ uint32_t lpfc_injerr_wgrd_cnt; uint32_t lpfc_injerr_wapp_cnt; uint32_t lpfc_injerr_wref_cnt; uint32_t lpfc_injerr_rgrd_cnt; uint32_t lpfc_injerr_rapp_cnt; uint32_t lpfc_injerr_rref_cnt; uint32_t lpfc_injerr_nportid; struct lpfc_name lpfc_injerr_wwpn; sector_t lpfc_injerr_lba; #define LPFC_INJERR_LBA_OFF (sector_t)(-1) struct dentry *debug_slow_ring_trc; struct lpfc_debugfs_trc *slow_ring_trc; atomic_t slow_ring_trc_cnt; /* iDiag debugfs sub-directory */ struct dentry *idiag_root; struct dentry *idiag_pci_cfg; struct dentry *idiag_bar_acc; struct dentry *idiag_que_info; struct dentry *idiag_que_acc; struct dentry *idiag_drb_acc; struct dentry *idiag_ctl_acc; struct dentry *idiag_mbx_acc; struct dentry *idiag_ext_acc; #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; unsigned long skipped_hb; struct timer_list hb_tmofunc; uint8_t hb_outstanding; struct timer_list rrq_tmr; enum hba_temp_state over_temp_state; /* 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; int wait_4_mlo_maint_flg; wait_queue_head_t wait_4_mlo_m_q; /* data structure used for latency data collection */ #define LPFC_NO_BUCKET 0 #define LPFC_LINEAR_BUCKET 1 #define LPFC_POWER2_BUCKET 2 uint8_t bucket_type; uint32_t bucket_base; uint32_t bucket_step; /* Maximum number of events that can be outstanding at any time*/ #define LPFC_MAX_EVT_COUNT 512 atomic_t fast_event_count; uint32_t fcoe_eventtag; uint32_t fcoe_eventtag_at_fcf_scan; uint32_t fcoe_cvl_eventtag; uint32_t fcoe_cvl_eventtag_attn; struct lpfc_fcf fcf; uint8_t fc_map[3]; uint8_t valid_vlan; uint16_t vlan_id; struct list_head fcf_conn_rec_list; spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */ struct list_head ct_ev_waiters; struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX]; uint32_t ctx_idx; uint8_t menlo_flag; /* menlo generic flags */ #define HBA_MENLO_SUPPORT 0x1 /* HBA supports menlo commands */ uint32_t iocb_cnt; uint32_t iocb_max; atomic_t sdev_cnt; uint8_t fips_spec_rev; uint8_t fips_level; }; 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; } static inline void lpfc_worker_wake_up(struct lpfc_hba *phba) { /* Set the lpfc data pending flag */ set_bit(LPFC_DATA_READY, &phba->data_flags); /* Wake up worker thread */ wake_up(&phba->work_waitq); return; } static inline int lpfc_readl(void __iomem *addr, uint32_t *data) { uint32_t temp; temp = readl(addr); if (temp == 0xffffffff) return -EIO; *data = temp; return 0; } static inline int lpfc_sli_read_hs(struct lpfc_hba *phba) { /* * There was a link/board error. Read the status register to retrieve * the error event and process it. */ phba->sli.slistat.err_attn_event++; /* Save status info and check for unplug error */ if (lpfc_readl(phba->HSregaddr, &phba->work_hs) || lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) || lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) { return -EIO; } /* Clear chip Host Attention error bit */ writel(HA_ERATT, phba->HAregaddr); readl(phba->HAregaddr); /* flush */ phba->pport->stopped = 1; return 0; }