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Diffstat (limited to 'drivers/scsi/lpfc/lpfc.h')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc.h | 1419 |
1 files changed, 1419 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h new file mode 100644 index 000000000..03bc472f3 --- /dev/null +++ b/drivers/scsi/lpfc/lpfc.h @@ -0,0 +1,1419 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Fibre Channel Host Bus Adapters. * + * Copyright (C) 2017-2020 Broadcom. All Rights Reserved. The term * + * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * + * Copyright (C) 2004-2016 Emulex. All rights reserved. * + * EMULEX and SLI are trademarks of Emulex. * + * www.broadcom.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> +#include <linux/ktime.h> +#include <linux/workqueue.h> + +#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_DEFAULT_XPSGL_SIZE 256 +#define LPFC_MAX_SG_TABLESIZE 0xffff +#define LPFC_MIN_SG_SLI4_BUF_SZ 0x800 /* based on LPFC_DEFAULT_SG_SEG_CNT */ +#define LPFC_MAX_BG_SLI4_SEG_CNT_DIF 128 /* sg element count for BlockGuard */ +#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_MIN_SG_SEG_CNT 32 /* 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_NVME_SEG_CNT 256 /* max SGL element cnt per NVME 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_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. */ + +/* 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 +#define MAX_HBAS_NO_RESET 16 + +/* Number of MSI-X vectors the driver uses */ +#define LPFC_MSIX_VECTORS 2 + +/* lpfc wait event data ready flag */ +#define LPFC_DATA_READY 0 /* bit 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 +}; + +struct perf_prof { + uint16_t cmd_cpu[40]; + uint16_t rsp_cpu[40]; + uint16_t qh_cpu[40]; + uint16_t wqidx[40]; +}; + +/* + * Provide for FC4 TYPE x28 - NVME. The + * bit mask for FCP and NVME is 0x8 identically + * because they are 32 bit positions distance. + */ +#define LPFC_FC4_TYPE_BITMASK 0x00000100 + +/* 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_nvmet_ctxbuf { + struct list_head list; + struct lpfc_async_xchg_ctx *context; + struct lpfc_iocbq *iocbq; + struct lpfc_sglq *sglq; + struct work_struct defer_work; +}; + +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; + uint16_t total_size; + uint16_t bytes_recv; + uint32_t tag; + struct lpfc_cq_event cq_event; + unsigned long time_stamp; + void *context; +}; + +struct rqb_dmabuf { + struct lpfc_dmabuf hbuf; + struct lpfc_dmabuf dbuf; + uint16_t total_size; + uint16_t bytes_recv; + uint16_t idx; + struct lpfc_queue *hrq; /* ptr to associated Header RQ */ + struct lpfc_queue *drq; /* ptr to associated Data RQ */ +}; + +/* 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 :20; /* Reserved */ + 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 rsvd3 :20; /* Reserved */ +#endif + } sli3Feat; +} lpfc_vpd_t; + + +/* + * 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 elsRcvRPL; + uint32_t elsRcvRRQ; + uint32_t elsRcvRTV; + uint32_t elsRcvECHO; + uint32_t elsRcvLCB; + uint32_t elsRcvRDP; + uint32_t elsXmitFLOGI; + uint32_t elsXmitFDISC; + uint32_t elsXmitPLOGI; + uint32_t elsXmitPRLI; + uint32_t elsXmitADISC; + uint32_t elsXmitLOGO; + uint32_t elsXmitSCR; + uint32_t elsXmitRSCN; + 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_trunk_link_state { + enum hba_state state; + uint8_t fault; +}; + +struct lpfc_trunk_link { + struct lpfc_trunk_link_state link0, + link1, + link2, + link3; +}; + +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_PT2PT_NO_NVME 0x1000 /* Don't send NVME PRLI */ +#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 gidft_inp; /* cnt of outstanding GID_FTs */ + + 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_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 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 */ +#define FC_ALLOW_FDMI 0x4 /* port is ready for FDMI requests */ + /* 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_discovery_threads; + uint32_t cfg_log_verbose; + uint32_t cfg_enable_fc4_type; + 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 *debug_nvmestat; + struct dentry *debug_scsistat; + struct dentry *debug_ioktime; + struct dentry *debug_hdwqstat; + 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 +#define FAWWPN_SET 2 +#define FAWWPN_PARAM_CHG 4 + + uint16_t fdmi_num_disc; + uint32_t fdmi_hba_mask; + uint32_t fdmi_port_mask; + + /* There is a single nvme instance per vport. */ + struct nvme_fc_local_port *localport; + uint8_t nvmei_support; /* driver supports NVME Initiator */ + uint32_t last_fcp_wqidx; + uint32_t rcv_flogi_cnt; /* How many unsol FLOGIs ACK'd. */ +}; + +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 *); +}; + +/* this matches the position in the lpfc_hbq_defs array */ +#define LPFC_ELS_HBQ 0 +#define LPFC_MAX_HBQS 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_32G 32 /* 32 Gigabaud */ +#define LPFC_USER_LINK_SPEED_64G 64 /* 64 Gigabaud */ +#define LPFC_USER_LINK_SPEED_MAX LPFC_USER_LINK_SPEED_64G + +#define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16, 32, 64" + +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_epd_pool { + /* Expedite pool */ + struct list_head list; + u32 count; + spinlock_t lock; /* lock for expedite pool */ +}; + +enum ras_state { + INACTIVE, + REG_INPROGRESS, + ACTIVE +}; + +struct lpfc_ras_fwlog { + uint8_t *fwlog_buff; + uint32_t fw_buffcount; /* Buffer size posted to FW */ +#define LPFC_RAS_BUFF_ENTERIES 16 /* Each entry can hold max of 64k */ +#define LPFC_RAS_MAX_ENTRY_SIZE (64 * 1024) +#define LPFC_RAS_MIN_BUFF_POST_SIZE (256 * 1024) +#define LPFC_RAS_MAX_BUFF_POST_SIZE (1024 * 1024) + uint32_t fw_loglevel; /* Log level set */ + struct lpfc_dmabuf lwpd; + struct list_head fwlog_buff_list; + + /* RAS support status on adapter */ + bool ras_hwsupport; /* RAS Support available on HW or not */ + bool ras_enabled; /* Ras Enabled for the function */ +#define LPFC_RAS_DISABLE_LOGGING 0x00 +#define LPFC_RAS_ENABLE_LOGGING 0x01 + enum ras_state state; /* RAS logging running state */ +}; + +#define DBG_LOG_STR_SZ 256 +#define DBG_LOG_SZ 256 + +struct dbg_log_ent { + char log[DBG_LOG_STR_SZ]; + u64 t_ns; +}; + +enum lpfc_irq_chann_mode { + /* Assign IRQs to all possible cpus that have hardware queues */ + NORMAL_MODE, + + /* Assign IRQs only to cpus on the same numa node as HBA */ + NUMA_MODE, + + /* Assign IRQs only on non-hyperthreaded CPUs. This is the + * same as normal_mode, but assign IRQS only on physical CPUs. + */ + NHT_MODE, +}; + +struct lpfc_hba { + /* SCSI interface function jump table entries */ + struct lpfc_io_buf * (*lpfc_get_scsi_buf) + (struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, + struct scsi_cmnd *cmnd); + int (*lpfc_scsi_prep_dma_buf) + (struct lpfc_hba *, struct lpfc_io_buf *); + void (*lpfc_scsi_unprep_dma_buf) + (struct lpfc_hba *, struct lpfc_io_buf *); + void (*lpfc_release_scsi_buf) + (struct lpfc_hba *, struct lpfc_io_buf *); + void (*lpfc_rampdown_queue_depth) + (struct lpfc_hba *); + void (*lpfc_scsi_prep_cmnd) + (struct lpfc_vport *, struct lpfc_io_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_io_buf *); + /* Add new entries here */ + + /* expedite pool */ + struct lpfc_epd_pool epd_pool; + + /* SLI4 specific HBA data structure */ + struct lpfc_sli4_hba sli4_hba; + + struct workqueue_struct *wq; + struct delayed_work eq_delay_work; + +#define LPFC_IDLE_STAT_DELAY 1000 + struct delayed_work idle_stat_delay_work; + + 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; + + struct lpfc_trunk_link trunk_link; + 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 */ +#define LS_MDS_LINK_DOWN 0x8 /* MDS Diagnostics Link Down */ +#define LS_MDS_LOOPBACK 0x10 /* MDS Diagnostics Link Up (Loopback) */ + + 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 HBA_PERSISTENT_TOPO 0x20 /* Persistent topology support in hba */ +#define ELS_XRI_ABORT_EVENT 0x40 /* ELS_XRI abort event was queued */ +#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_IOQ_FLUSH 0x8000 /* FCP/NVME I/O queues being flushed */ +#define HBA_RECOVERABLE_UE 0x20000 /* Firmware supports recoverable UE */ +#define HBA_FORCED_LINK_SPEED 0x40000 /* + * Firmware supports Forced Link Speed + * capability + */ +#define HBA_FLOGI_ISSUED 0x100000 /* FLOGI was issued */ +#define HBA_DEFER_FLOGI 0x800000 /* Defer FLOGI till read_sparm cmpl */ + + struct completion *fw_dump_cmpl; /* cmpl event tracker for fw_dump */ + 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 */ + + 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]; + uint8_t fcp_embed_io; + uint8_t nvme_support; /* Firmware supports NVME */ + uint8_t nvmet_support; /* driver supports NVMET */ +#define LPFC_NVMET_MAX_PORTS 32 + uint8_t mds_diags_support; + uint8_t bbcredit_support; + uint8_t enab_exp_wqcq_pages; + u8 nsler; /* Firmware supports FC-NVMe-2 SLER */ + + /* HBA Config Parameters */ + uint32_t cfg_ack0; + uint32_t cfg_xri_rebalancing; + uint32_t cfg_xpsgl; + 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_ns_query; + 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_task_mgmt_tmo; + uint32_t cfg_use_msi; + uint32_t cfg_auto_imax; + uint32_t cfg_fcp_imax; + uint32_t cfg_force_rscn; + uint32_t cfg_cq_poll_threshold; + uint32_t cfg_cq_max_proc_limit; + uint32_t cfg_fcp_cpu_map; + uint32_t cfg_fcp_mq_threshold; + uint32_t cfg_hdw_queue; + uint32_t cfg_irq_chann; + uint32_t cfg_suppress_rsp; + uint32_t cfg_nvme_oas; + uint32_t cfg_nvme_embed_cmd; + uint32_t cfg_nvmet_mrq_post; + uint32_t cfg_nvmet_mrq; + uint32_t cfg_enable_nvmet; + uint32_t cfg_nvme_enable_fb; + uint32_t cfg_nvmet_fb_size; + uint32_t cfg_total_seg_cnt; + uint32_t cfg_sg_seg_cnt; + uint32_t cfg_nvme_seg_cnt; + uint32_t cfg_scsi_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_oas_priority; + uint32_t cfg_XLanePriority; + uint32_t cfg_enable_bg; + uint32_t cfg_prot_mask; + uint32_t cfg_prot_guard; + uint32_t cfg_hostmem_hgp; + uint32_t cfg_log_verbose; + uint32_t cfg_enable_fc4_type; +#define LPFC_ENABLE_FCP 1 +#define LPFC_ENABLE_NVME 2 +#define LPFC_ENABLE_BOTH 3 +#if (IS_ENABLED(CONFIG_NVME_FC)) +#define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_BOTH +#define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_BOTH +#else +#define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_FCP +#define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_FCP +#endif + uint32_t cfg_aer_support; + uint32_t cfg_sriov_nr_virtfn; + uint32_t cfg_request_firmware_upgrade; + uint32_t cfg_suppress_link_up; + uint32_t cfg_rrq_xri_bitmap_sz; + uint32_t cfg_delay_discovery; + uint32_t cfg_sli_mode; +#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_fdmi_on; +#define LPFC_FDMI_NO_SUPPORT 0 /* FDMI not supported */ +#define LPFC_FDMI_SUPPORT 1 /* FDMI supported? */ + uint32_t cfg_enable_SmartSAN; + uint32_t cfg_enable_mds_diags; + uint32_t cfg_ras_fwlog_level; + uint32_t cfg_ras_fwlog_buffsize; + uint32_t cfg_ras_fwlog_func; + uint32_t cfg_enable_bbcr; /* Enable BB Credit Recovery */ + uint32_t cfg_enable_dpp; /* Enable Direct Packet Push */ + uint32_t cfg_enable_pbde; + struct nvmet_fc_target_port *targetport; + 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 border_sge_num; + + uint32_t hbq_in_use; /* HBQs in use flag */ + 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 FCP WQ (RR Policy) */ + atomic_t nvme_qidx; /* next NVME WQ (RR Policy) */ + + phys_addr_t pci_bar0_map; /* Physical address for PCI BAR0 */ + phys_addr_t pci_bar1_map; /* Physical address for PCI BAR1 */ + phys_addr_t 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 BIOSVersion[16]; /* Boot BIOS 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; + uint32_t eratt_poll_interval; + + 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; + + /* dma_mem_pools */ + struct dma_pool *lpfc_sg_dma_buf_pool; + struct dma_pool *lpfc_mbuf_pool; + struct dma_pool *lpfc_hrb_pool; /* header receive buffer pool */ + struct dma_pool *lpfc_drb_pool; /* data receive buffer pool */ + struct dma_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */ + struct dma_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */ + struct dma_pool *lpfc_cmd_rsp_buf_pool; + struct lpfc_dma_pool lpfc_mbuf_safety_pool; + + mempool_t *mbox_mem_pool; + mempool_t *nlp_mem_pool; + mempool_t *rrq_pool; + mempool_t *active_rrq_pool; + + struct fc_host_statistics link_stats; + enum lpfc_irq_chann_mode irq_chann_mode; + enum intr_type_t intr_type; + uint32_t intr_mode; +#define LPFC_INTR_ERROR 0xFFFFFFFF + struct list_head port_list; + spinlock_t port_list_lock; /* lock for port_list mutations */ + struct lpfc_vport *pport; /* physical lpfc_vport pointer */ + uint16_t max_vpi; /* Maximum virtual nports */ +#define LPFC_MAX_VPI 0xFF /* Max number VPI supported 0 - 0xff */ +#define LPFC_MAX_VPORTS 0x100 /* Max vports per port, with pport */ + 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_multixri_pools; + struct dentry *debug_hbqinfo; + struct dentry *debug_dumpHostSlim; + struct dentry *debug_dumpHBASlim; + 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 */ + + struct dentry *debug_nvmeio_trc; + struct lpfc_debugfs_nvmeio_trc *nvmeio_trc; + struct dentry *debug_hdwqinfo; +#ifdef LPFC_HDWQ_LOCK_STAT + struct dentry *debug_lockstat; +#endif + struct dentry *debug_ras_log; + atomic_t nvmeio_trc_cnt; + uint32_t nvmeio_trc_size; + uint32_t nvmeio_trc_output_idx; + + /* 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; + uint8_t lpfc_idiag_last_eq; +#endif + uint16_t nvmeio_trc_on; + + /* 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; + + bool defer_flogi_acc_flag; + uint16_t defer_flogi_acc_rx_id; + uint16_t defer_flogi_acc_ox_id; + + 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; + + /* RAS Support */ + struct lpfc_ras_fwlog ras_fwlog; + + 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; + spinlock_t devicelock; /* lock for luns list */ + mempool_t *device_data_mem_pool; + struct list_head luns; +#define LPFC_TRANSGRESSION_HIGH_TEMPERATURE 0x0080 +#define LPFC_TRANSGRESSION_LOW_TEMPERATURE 0x0040 +#define LPFC_TRANSGRESSION_HIGH_VOLTAGE 0x0020 +#define LPFC_TRANSGRESSION_LOW_VOLTAGE 0x0010 +#define LPFC_TRANSGRESSION_HIGH_TXBIAS 0x0008 +#define LPFC_TRANSGRESSION_LOW_TXBIAS 0x0004 +#define LPFC_TRANSGRESSION_HIGH_TXPOWER 0x0002 +#define LPFC_TRANSGRESSION_LOW_TXPOWER 0x0001 +#define LPFC_TRANSGRESSION_HIGH_RXPOWER 0x8000 +#define LPFC_TRANSGRESSION_LOW_RXPOWER 0x4000 + uint16_t sfp_alarm; + uint16_t sfp_warning; + +#ifdef CONFIG_SCSI_LPFC_DEBUG_FS + uint16_t hdwqstat_on; +#define LPFC_CHECK_OFF 0 +#define LPFC_CHECK_NVME_IO 1 +#define LPFC_CHECK_NVMET_IO 2 +#define LPFC_CHECK_SCSI_IO 4 + uint16_t ktime_on; + uint64_t ktime_data_samples; + uint64_t ktime_status_samples; + uint64_t ktime_last_cmd; + uint64_t ktime_seg1_total; + uint64_t ktime_seg1_min; + uint64_t ktime_seg1_max; + uint64_t ktime_seg2_total; + uint64_t ktime_seg2_min; + uint64_t ktime_seg2_max; + uint64_t ktime_seg3_total; + uint64_t ktime_seg3_min; + uint64_t ktime_seg3_max; + uint64_t ktime_seg4_total; + uint64_t ktime_seg4_min; + uint64_t ktime_seg4_max; + uint64_t ktime_seg5_total; + uint64_t ktime_seg5_min; + uint64_t ktime_seg5_max; + uint64_t ktime_seg6_total; + uint64_t ktime_seg6_min; + uint64_t ktime_seg6_max; + uint64_t ktime_seg7_total; + uint64_t ktime_seg7_min; + uint64_t ktime_seg7_max; + uint64_t ktime_seg8_total; + uint64_t ktime_seg8_min; + uint64_t ktime_seg8_max; + uint64_t ktime_seg9_total; + uint64_t ktime_seg9_min; + uint64_t ktime_seg9_max; + uint64_t ktime_seg10_total; + uint64_t ktime_seg10_min; + uint64_t ktime_seg10_max; +#endif + + struct hlist_node cpuhp; /* used for cpuhp per hba callback */ + struct timer_list cpuhp_poll_timer; + struct list_head poll_list; /* slowpath eq polling list */ +#define LPFC_POLL_HB 1 /* slowpath heartbeat */ +#define LPFC_POLL_FASTPATH 0 /* called from fastpath */ +#define LPFC_POLL_SLOWPATH 1 /* called from slowpath */ + + char os_host_name[MAXHOSTNAMELEN]; + + /* SCSI host template information - for physical port */ + struct scsi_host_template port_template; + /* SCSI host template information - for all vports */ + struct scsi_host_template vport_template; + atomic_t dbg_log_idx; + atomic_t dbg_log_cnt; + atomic_t dbg_log_dmping; + struct dbg_log_ent dbg_log[DBG_LOG_SZ]; +}; + +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; +} + +static inline struct lpfc_sli_ring * +lpfc_phba_elsring(struct lpfc_hba *phba) +{ + /* Return NULL if sli_rev has become invalid due to bad fw */ + if (phba->sli_rev != LPFC_SLI_REV4 && + phba->sli_rev != LPFC_SLI_REV3 && + phba->sli_rev != LPFC_SLI_REV2) + return NULL; + + if (phba->sli_rev == LPFC_SLI_REV4) { + if (phba->sli4_hba.els_wq) + return phba->sli4_hba.els_wq->pring; + else + return NULL; + } + return &phba->sli.sli3_ring[LPFC_ELS_RING]; +} + +/** + * lpfc_next_online_cpu - Finds next online CPU on cpumask + * @mask: Pointer to phba's cpumask member. + * @start: starting cpu index + * + * Note: If no valid cpu found, then nr_cpu_ids is returned. + * + **/ +static inline unsigned int +lpfc_next_online_cpu(const struct cpumask *mask, unsigned int start) +{ + unsigned int cpu_it; + + for_each_cpu_wrap(cpu_it, mask, start) { + if (cpu_online(cpu_it)) + break; + } + + return cpu_it; +} +/** + * lpfc_sli4_mod_hba_eq_delay - update EQ delay + * @phba: Pointer to HBA context object. + * @q: The Event Queue to update. + * @delay: The delay value (in us) to be written. + * + **/ +static inline void +lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba *phba, struct lpfc_queue *eq, + u32 delay) +{ + struct lpfc_register reg_data; + + reg_data.word0 = 0; + bf_set(lpfc_sliport_eqdelay_id, ®_data, eq->queue_id); + bf_set(lpfc_sliport_eqdelay_delay, ®_data, delay); + writel(reg_data.word0, phba->sli4_hba.u.if_type2.EQDregaddr); + eq->q_mode = delay; +} + + +/* + * Macro that declares tables and a routine to perform enum type to + * ascii string lookup. + * + * Defines a <key,value> table for an enum. Uses xxx_INIT defines for + * the enum to populate the table. Macro defines a routine (named + * by caller) that will search all elements of the table for the key + * and return the name string if found or "Unrecognized" if not found. + */ +#define DECLARE_ENUM2STR_LOOKUP(routine, enum_name, enum_init) \ +static struct { \ + enum enum_name value; \ + char *name; \ +} fc_##enum_name##_e2str_names[] = enum_init; \ +static const char *routine(enum enum_name table_key) \ +{ \ + int i; \ + char *name = "Unrecognized"; \ + \ + for (i = 0; i < ARRAY_SIZE(fc_##enum_name##_e2str_names); i++) {\ + if (fc_##enum_name##_e2str_names[i].value == table_key) {\ + name = fc_##enum_name##_e2str_names[i].name; \ + break; \ + } \ + } \ + return name; \ +} |