diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc.h')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc.h | 947 |
1 files changed, 813 insertions, 134 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 3bb82aae432..434e9037908 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2005 Emulex. All rights reserved. * + * Copyright (C) 2004-2014 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -19,19 +19,71 @@ * included with this package. * *******************************************************************/ +#include <scsi/scsi_host.h> + +#if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS) +#define CONFIG_SCSI_LPFC_DEBUG_FS +#endif + 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 ELX_MODEL_NAME_SIZE 80 + +#define LPFC_PCI_DEV_LP 0x1 +#define LPFC_PCI_DEV_OC 0x2 -#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_SLI_REV2 2 +#define LPFC_SLI_REV3 3 +#define LPFC_SLI_REV4 4 -#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_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)) + +/* 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))) @@ -40,16 +92,34 @@ struct lpfc_sli2_slim; (( (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 +/* 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 { @@ -58,6 +128,15 @@ struct lpfc_dma_pool { 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 @@ -87,6 +166,35 @@ typedef struct lpfc_vpd { 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; @@ -115,8 +223,15 @@ struct lpfc_stats { 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; @@ -148,60 +263,407 @@ struct lpfc_stats { uint32_t fcpLocalErr; }; -enum sysfs_mbox_state { - SMBOX_IDLE, - SMBOX_WRITING, - SMBOX_READING +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 cfg_first_burst_size; + + 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 }; -struct lpfc_sysfs_mbox { - enum sysfs_mbox_state state; - size_t offset; - struct lpfcMboxq * mbox; +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 { - struct list_head hba_list; /* List of hbas/ports */ + /* 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; - struct lpfc_sli2_slim *slim2p; - dma_addr_t slim2p_mapping; - uint16_t pci_cfg_value; + 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 */ +#define HBA_FW_DUMP_OP 0x10000 /* Skips fn reset before FW dump */ + uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/ + struct lpfc_dmabuf slim2p; - 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 + 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 fc_prli_sent; /* cntr for outstanding PRLIs */ + uint32_t link_events; - 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 */ + 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 */ @@ -209,115 +671,120 @@ struct lpfc_hba { 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 */ + uint32_t fc_topology_changed; /* 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]; + uint8_t wwnn[8]; + uint8_t wwpn[8]; 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; + /* HBA Config Parameters */ uint32_t cfg_ack0; + uint32_t cfg_enable_npiv; + uint32_t cfg_enable_rrq; uint32_t cfg_topology; - uint32_t cfg_scan_down; 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_fdmi_on; - uint32_t cfg_fcp_bind_method; - uint32_t cfg_discovery_threads; - uint32_t cfg_max_luns; + 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_task_mgmt_tmo; + uint32_t cfg_use_msi; + uint32_t cfg_fcp_imax; + uint32_t cfg_fcp_cpu_map; + 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_fof; + uint32_t cfg_EnableXLane; + uint8_t cfg_oas_tgt_wwpn[8]; + uint8_t cfg_oas_vpt_wwpn[8]; + uint32_t cfg_oas_lun_state; +#define OAS_LUN_ENABLE 1 +#define OAS_LUN_DISABLE 0 + uint32_t cfg_oas_lun_status; +#define OAS_LUN_STATUS_EXISTS 0x01 + uint32_t cfg_oas_flags; +#define OAS_FIND_ANY_VPORT 0x01 +#define OAS_FIND_ANY_TARGET 0x02 +#define OAS_LUN_VALID 0x04 + uint32_t cfg_XLanePriority; + 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; + uint32_t cfg_rrq_xri_bitmap_sz; +#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 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; + 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 */ @@ -325,8 +792,12 @@ struct lpfc_hba { reg */ void __iomem *HCregaddr; /* virtual address for host ctl reg */ - int brd_no; /* FC board number */ + 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 */ @@ -341,9 +812,10 @@ struct lpfc_hba { #define VPD_PORT 0x8 /* valid vpd port data */ #define VPD_MASK 0xf /* mask for any vpd data */ - struct timer_list els_tmofunc; + uint8_t soft_wwn_enable; - void *link_stats; + struct timer_list fcp_poll_timer; + struct timer_list eratt_poll; /* * stat counters @@ -351,31 +823,238 @@ struct lpfc_hba { uint64_t fc4InputRequests; uint64_t fc4OutputRequests; uint64_t fc4ControlRequests; - - struct lpfc_sysfs_mbox sysfs_mbox; + uint64_t bg_guard_err_cnt; + uint64_t bg_apptag_err_cnt; + uint64_t bg_reftag_err_cnt; /* fastpath list. */ - struct list_head lpfc_scsi_buf_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; - struct list_head freebufList; - struct list_head ctrspbuflist; - struct list_head rnidrspbuflist; -}; + mempool_t *rrq_pool; + mempool_t *active_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 rnidrsp { - void *buf; - uint32_t uniqueid; - struct list_head list; - uint32_t data; + 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; +#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; + spinlock_t devicelock; /* lock for luns list */ + mempool_t *device_data_mem_pool; + struct list_head luns; }; + +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; +} |