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- /*******************************************************************
- * This file is part of the Emulex Linux Device Driver for *
- * Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2017-2022 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/hashtable.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_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
- /*
- * 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
- #define LPFC_CFG_PARAM_MAGIC_NUM 0xFEAA0005
- #define LPFC_PORT_CFG_NAME "/cfg/port.cfg"
- #define lpfc_rangecheck(val, min, max) \
- ((uint)(val) >= (uint)(min) && (val) <= (max))
- 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 elsRcvRDF;
- 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;
- #define LPFC_VMID_TIMER 300 /* timer interval in seconds */
- #define LPFC_MAX_VMID_SIZE 256
- #define LPFC_COMPRESS_VMID_SIZE 16
- union lpfc_vmid_io_tag {
- u32 app_id; /* App Id vmid */
- u8 cs_ctl_vmid; /* Priority tag vmid */
- };
- #define JIFFIES_PER_HR (HZ * 60 * 60)
- struct lpfc_vmid {
- u8 flag;
- #define LPFC_VMID_SLOT_FREE 0x0
- #define LPFC_VMID_SLOT_USED 0x1
- #define LPFC_VMID_REQ_REGISTER 0x2
- #define LPFC_VMID_REGISTERED 0x4
- #define LPFC_VMID_DE_REGISTER 0x8
- char host_vmid[LPFC_MAX_VMID_SIZE];
- union lpfc_vmid_io_tag un;
- struct hlist_node hnode;
- u64 io_rd_cnt;
- u64 io_wr_cnt;
- u8 vmid_len;
- u8 delete_inactive; /* Delete if inactive flag 0 = no, 1 = yes */
- u32 hash_index;
- u64 __percpu *last_io_time;
- };
- #define lpfc_vmid_is_type_priority_tag(vport)\
- (vport->vmid_priority_tagging ? 1 : 0)
- #define LPFC_VMID_HASH_SIZE 256
- #define LPFC_VMID_HASH_MASK 255
- #define LPFC_VMID_HASH_SHIFT 6
- struct lpfc_vmid_context {
- struct lpfc_vmid *vmp;
- struct lpfc_nodelist *nlp;
- bool instantiated;
- };
- struct lpfc_vmid_priority_range {
- u8 low;
- u8 high;
- u8 qos;
- };
- struct lpfc_vmid_priority_info {
- u32 num_descriptors;
- struct lpfc_vmid_priority_range *vmid_range;
- };
- #define QFPA_EVEN_ONLY 0x01
- #define QFPA_ODD_ONLY 0x02
- #define QFPA_EVEN_ODD 0x03
- 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;
- u32 phy_lnk_speed;
- };
- /* Format of congestion module parameters */
- struct lpfc_cgn_param {
- uint32_t cgn_param_magic;
- uint8_t cgn_param_version; /* version 1 */
- uint8_t cgn_param_mode; /* 0=off 1=managed 2=monitor only */
- #define LPFC_CFG_OFF 0
- #define LPFC_CFG_MANAGED 1
- #define LPFC_CFG_MONITOR 2
- uint8_t cgn_rsvd1;
- uint8_t cgn_rsvd2;
- uint8_t cgn_param_level0;
- uint8_t cgn_param_level1;
- uint8_t cgn_param_level2;
- uint8_t byte11;
- uint8_t byte12;
- uint8_t byte13;
- uint8_t byte14;
- uint8_t byte15;
- };
- /* Max number of days of congestion data */
- #define LPFC_MAX_CGN_DAYS 10
- /* Format of congestion buffer info
- * This structure defines memory thats allocated and registered with
- * the HBA firmware. When adding or removing fields from this structure
- * the alignment must match the HBA firmware.
- */
- struct lpfc_cgn_info {
- /* Header */
- __le16 cgn_info_size; /* is sizeof(struct lpfc_cgn_info) */
- uint8_t cgn_info_version; /* represents format of structure */
- #define LPFC_CGN_INFO_V1 1
- #define LPFC_CGN_INFO_V2 2
- #define LPFC_CGN_INFO_V3 3
- uint8_t cgn_info_mode; /* 0=off 1=managed 2=monitor only */
- uint8_t cgn_info_detect;
- uint8_t cgn_info_action;
- uint8_t cgn_info_level0;
- uint8_t cgn_info_level1;
- uint8_t cgn_info_level2;
- /* Start Time */
- uint8_t cgn_info_month;
- uint8_t cgn_info_day;
- uint8_t cgn_info_year;
- uint8_t cgn_info_hour;
- uint8_t cgn_info_minute;
- uint8_t cgn_info_second;
- /* minute / hours / daily indices */
- uint8_t cgn_index_minute;
- uint8_t cgn_index_hour;
- uint8_t cgn_index_day;
- __le16 cgn_warn_freq;
- __le16 cgn_alarm_freq;
- __le16 cgn_lunq;
- uint8_t cgn_pad1[8];
- /* Driver Information */
- __le16 cgn_drvr_min[60];
- __le32 cgn_drvr_hr[24];
- __le32 cgn_drvr_day[LPFC_MAX_CGN_DAYS];
- /* Congestion Warnings */
- __le16 cgn_warn_min[60];
- __le32 cgn_warn_hr[24];
- __le32 cgn_warn_day[LPFC_MAX_CGN_DAYS];
- /* Latency Information */
- __le32 cgn_latency_min[60];
- __le32 cgn_latency_hr[24];
- __le32 cgn_latency_day[LPFC_MAX_CGN_DAYS];
- /* Bandwidth Information */
- __le16 cgn_bw_min[60];
- __le16 cgn_bw_hr[24];
- __le16 cgn_bw_day[LPFC_MAX_CGN_DAYS];
- /* Congestion Alarms */
- __le16 cgn_alarm_min[60];
- __le32 cgn_alarm_hr[24];
- __le32 cgn_alarm_day[LPFC_MAX_CGN_DAYS];
- struct_group(cgn_stat,
- uint8_t cgn_stat_npm; /* Notifications per minute */
- /* Start Time */
- uint8_t cgn_stat_month;
- uint8_t cgn_stat_day;
- uint8_t cgn_stat_year;
- uint8_t cgn_stat_hour;
- uint8_t cgn_stat_minute;
- uint8_t cgn_pad2[2];
- __le32 cgn_notification;
- __le32 cgn_peer_notification;
- __le32 link_integ_notification;
- __le32 delivery_notification;
- uint8_t cgn_stat_cgn_month; /* Last congestion notification FPIN */
- uint8_t cgn_stat_cgn_day;
- uint8_t cgn_stat_cgn_year;
- uint8_t cgn_stat_cgn_hour;
- uint8_t cgn_stat_cgn_min;
- uint8_t cgn_stat_cgn_sec;
- uint8_t cgn_stat_peer_month; /* Last peer congestion FPIN */
- uint8_t cgn_stat_peer_day;
- uint8_t cgn_stat_peer_year;
- uint8_t cgn_stat_peer_hour;
- uint8_t cgn_stat_peer_min;
- uint8_t cgn_stat_peer_sec;
- uint8_t cgn_stat_lnk_month; /* Last link integrity FPIN */
- uint8_t cgn_stat_lnk_day;
- uint8_t cgn_stat_lnk_year;
- uint8_t cgn_stat_lnk_hour;
- uint8_t cgn_stat_lnk_min;
- uint8_t cgn_stat_lnk_sec;
- uint8_t cgn_stat_del_month; /* Last delivery notification FPIN */
- uint8_t cgn_stat_del_day;
- uint8_t cgn_stat_del_year;
- uint8_t cgn_stat_del_hour;
- uint8_t cgn_stat_del_min;
- uint8_t cgn_stat_del_sec;
- );
- __le32 cgn_info_crc;
- #define LPFC_CGN_CRC32_MAGIC_NUMBER 0x1EDC6F41
- #define LPFC_CGN_CRC32_SEED 0xFFFFFFFF
- };
- #define LPFC_CGN_INFO_SZ (sizeof(struct lpfc_cgn_info) - \
- sizeof(uint32_t))
- struct lpfc_cgn_stat {
- atomic64_t total_bytes;
- atomic64_t rcv_bytes;
- atomic64_t rx_latency;
- #define LPFC_CGN_NOT_SENT 0xFFFFFFFFFFFFFFFFLL
- atomic_t rx_io_cnt;
- };
- struct lpfc_cgn_acqe_stat {
- atomic64_t alarm;
- atomic64_t warn;
- };
- 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 */
- #define FC_CT_RPRT_DEFER 0x20 /* Defer issuing FDMI RPRT */
- 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 */
- #define WORKER_CHECK_INACTIVE_VMID 0x4000 /* hba: check inactive vmids */
- #define WORKER_CHECK_VMID_ISSUE_QFPA 0x8000 /* vport: Check if qfpa needs
- * to be issued */
- struct timer_list els_tmofunc;
- struct timer_list delayed_disc_tmo;
- 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 */
- #define FC_ALLOW_VMID 0x8 /* Allow VMID I/Os */
- #define FC_DEREGISTER_ALL_APP_ID 0x10 /* Deregister all VMIDs */
- /* 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;
- /* VMID parameters */
- u8 lpfc_vmid_host_uuid[LPFC_COMPRESS_VMID_SIZE];
- u32 max_vmid; /* maximum VMIDs allowed per port */
- u32 cur_vmid_cnt; /* Current VMID count */
- #define LPFC_MIN_VMID 4
- #define LPFC_MAX_VMID 255
- u32 vmid_inactivity_timeout; /* Time after which the VMID */
- /* deregisters from switch */
- u32 vmid_priority_tagging;
- #define LPFC_VMID_PRIO_TAG_DISABLE 0 /* Disable */
- #define LPFC_VMID_PRIO_TAG_SUP_TARGETS 1 /* Allow supported targets only */
- #define LPFC_VMID_PRIO_TAG_ALL_TARGETS 2 /* Allow all targets */
- unsigned long *vmid_priority_range;
- #define LPFC_VMID_MAX_PRIORITY_RANGE 256
- #define LPFC_VMID_PRIORITY_BITMAP_SIZE 32
- u8 vmid_flag;
- #define LPFC_VMID_IN_USE 0x1
- #define LPFC_VMID_ISSUE_QFPA 0x2
- #define LPFC_VMID_QFPA_CMPL 0x4
- #define LPFC_VMID_QOS_ENABLED 0x8
- #define LPFC_VMID_TIMER_ENBLD 0x10
- #define LPFC_VMID_TYPE_PRIO 0x20
- struct fc_qfpa_res *qfpa_res;
- struct fc_vport *fc_vport;
- struct lpfc_vmid *vmid;
- DECLARE_HASHTABLE(hash_table, 8);
- rwlock_t vmid_lock;
- struct lpfc_vmid_priority_info vmid_priority;
- #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
- struct list_head rcv_buffer_list;
- unsigned long rcv_buffer_time_stamp;
- uint32_t vport_flag;
- #define STATIC_VPORT 0x1
- #define FAWWPN_PARAM_CHG 0x2
- 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,
- };
- enum lpfc_hba_bit_flags {
- FABRIC_COMANDS_BLOCKED,
- HBA_PCI_ERR,
- MBX_TMO_ERR,
- };
- 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 *);
- int (*lpfc_scsi_prep_cmnd_buf)
- (struct lpfc_vport *vport,
- struct lpfc_io_buf *lpfc_cmd,
- uint8_t tmo);
- int (*lpfc_scsi_prep_task_mgmt_cmd)
- (struct lpfc_vport *vport,
- struct lpfc_io_buf *lpfc_cmd,
- u64 lun, u8 task_mgmt_cmd);
- /* IOCB interface function jump table entries */
- int (*__lpfc_sli_issue_iocb)
- (struct lpfc_hba *, uint32_t,
- struct lpfc_iocbq *, uint32_t);
- int (*__lpfc_sli_issue_fcp_io)
- (struct lpfc_hba *phba, uint32_t ring_number,
- struct lpfc_iocbq *piocb, uint32_t flag);
- void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
- struct lpfc_iocbq *);
- int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
- 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 *);
- /* Prep SLI WQE/IOCB jump table entries */
- void (*__lpfc_sli_prep_els_req_rsp)(struct lpfc_iocbq *cmdiocbq,
- struct lpfc_vport *vport,
- struct lpfc_dmabuf *bmp,
- u16 cmd_size, u32 did, u32 elscmd,
- u8 tmo, u8 expect_rsp);
- void (*__lpfc_sli_prep_gen_req)(struct lpfc_iocbq *cmdiocbq,
- struct lpfc_dmabuf *bmp, u16 rpi,
- u32 num_entry, u8 tmo);
- void (*__lpfc_sli_prep_xmit_seq64)(struct lpfc_iocbq *cmdiocbq,
- struct lpfc_dmabuf *bmp, u16 rpi,
- u16 ox_id, u32 num_entry, u8 rctl,
- u8 last_seq, u8 cr_cx_cmd);
- void (*__lpfc_sli_prep_abort_xri)(struct lpfc_iocbq *cmdiocbq,
- u16 ulp_context, u16 iotag,
- u8 ulp_class, u16 cqid, bool ia,
- bool wqec);
- /* 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) */
- #define LS_CT_VEN_RPA 0x20 /* Vendor RPA sent to switch */
- #define LS_EXTERNAL_LOOPBACK 0x40 /* External loopback plug inserted */
- 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_SHORT_CMF 0x200000 /* shorter CMF timer routine */
- #define HBA_CGN_DAY_WRAP 0x400000 /* HBA Congestion info day wraps */
- #define HBA_DEFER_FLOGI 0x800000 /* Defer FLOGI till read_sparm cmpl */
- #define HBA_SETUP 0x1000000 /* Signifies HBA setup is completed */
- #define HBA_NEEDS_CFG_PORT 0x2000000 /* SLI3 - needs a CONFIG_PORT mbox */
- #define HBA_HBEAT_INP 0x4000000 /* mbox HBEAT is in progress */
- #define HBA_HBEAT_TMO 0x8000000 /* HBEAT initiated after timeout */
- #define HBA_FLOGI_OUTSTANDING 0x10000000 /* FLOGI is outstanding */
- #define HBA_RHBA_CMPL 0x20000000 /* RHBA FDMI command is successful */
- 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 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;
- 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;
- u32 cfg_fcp_wait_abts_rsp;
- 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;
- uint32_t cfg_enable_mi;
- struct nvmet_fc_target_port *targetport;
- lpfc_vpd_t vpd; /* vital product data */
- u32 cfg_max_vmid; /* maximum VMIDs allowed per port */
- u32 cfg_vmid_app_header;
- #define LPFC_VMID_APP_HEADER_DISABLE 0
- #define LPFC_VMID_APP_HEADER_ENABLE 1
- u32 cfg_vmid_priority_tagging;
- u32 cfg_vmid_inactivity_timeout; /* Time after which the VMID */
- /* deregisters from switch */
- 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 */
- 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;
- struct work_struct unblock_request_work; /* SCSI layer unblock IOs */
- /* 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;
- 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_cgn_buffer;
- struct dentry *debug_rx_monitor;
- 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;
- struct timer_list rrq_tmr;
- enum hba_temp_state over_temp_state;
- /*
- * 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;
- /* 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;
- struct timer_list inactive_vmid_poll;
- /* RAS Support */
- struct lpfc_ras_fwlog ras_fwlog;
- 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
- /* CMF objects */
- struct lpfc_cgn_stat __percpu *cmf_stat;
- uint32_t cmf_interval_rate; /* timer interval limit in ms */
- uint32_t cmf_timer_cnt;
- #define LPFC_CMF_INTERVAL 90
- uint64_t cmf_link_byte_count;
- uint64_t cmf_max_line_rate;
- uint64_t cmf_max_bytes_per_interval;
- uint64_t cmf_last_sync_bw;
- #define LPFC_CMF_BLK_SIZE 512
- struct hrtimer cmf_timer;
- atomic_t cmf_bw_wait;
- atomic_t cmf_busy;
- atomic_t cmf_stop_io; /* To block request and stop IO's */
- uint32_t cmf_active_mode;
- uint32_t cmf_info_per_interval;
- #define LPFC_MAX_CMF_INFO 32
- struct timespec64 cmf_latency; /* Interval congestion timestamp */
- uint32_t cmf_last_ts; /* Interval congestion time (ms) */
- uint32_t cmf_active_info;
- /* Signal / FPIN handling for Congestion Mgmt */
- u8 cgn_reg_fpin; /* Negotiated value from RDF */
- u8 cgn_init_reg_fpin; /* Initial value from READ_CONFIG */
- #define LPFC_CGN_FPIN_NONE 0x0
- #define LPFC_CGN_FPIN_WARN 0x1
- #define LPFC_CGN_FPIN_ALARM 0x2
- #define LPFC_CGN_FPIN_BOTH (LPFC_CGN_FPIN_WARN | LPFC_CGN_FPIN_ALARM)
- u8 cgn_reg_signal; /* Negotiated value from EDC */
- u8 cgn_init_reg_signal; /* Initial value from READ_CONFIG */
- /* cgn_reg_signal and cgn_init_reg_signal use
- * enum fc_edc_cg_signal_cap_types
- */
- u16 cgn_fpin_frequency; /* In units of msecs */
- #define LPFC_FPIN_INIT_FREQ 0xffff
- u32 cgn_sig_freq;
- u32 cgn_acqe_cnt;
- /* RX monitor handling for CMF */
- struct lpfc_rx_info_monitor *rx_monitor;
- atomic_t rx_max_read_cnt; /* Maximum read bytes */
- uint64_t rx_block_cnt;
- /* Congestion parameters from flash */
- struct lpfc_cgn_param cgn_p;
- /* Statistics counter for ACQE cgn alarms and warnings */
- struct lpfc_cgn_acqe_stat cgn_acqe_stat;
- /* Congestion buffer information */
- struct lpfc_dmabuf *cgn_i; /* Congestion Info buffer */
- atomic_t cgn_fabric_warn_cnt; /* Total warning cgn events for info */
- atomic_t cgn_fabric_alarm_cnt; /* Total alarm cgn events for info */
- atomic_t cgn_sync_warn_cnt; /* Total warning events for SYNC wqe */
- atomic_t cgn_sync_alarm_cnt; /* Total alarm events for SYNC wqe */
- atomic_t cgn_driver_evt_cnt; /* Total driver cgn events for fmw */
- atomic_t cgn_latency_evt_cnt;
- struct timespec64 cgn_daily_ts;
- atomic64_t cgn_latency_evt; /* Avg latency per minute */
- unsigned long cgn_evt_timestamp;
- #define LPFC_CGN_TIMER_TO_MIN 60000 /* ms in a minute */
- uint32_t cgn_evt_minute;
- #define LPFC_SEC_MIN 60
- #define LPFC_MIN_HOUR 60
- #define LPFC_HOUR_DAY 24
- #define LPFC_MIN_DAY (LPFC_MIN_HOUR * LPFC_HOUR_DAY)
- 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];
- /* LD Signaling */
- u32 degrade_activate_threshold;
- u32 degrade_deactivate_threshold;
- u32 fec_degrade_interval;
- atomic_t dbg_log_idx;
- atomic_t dbg_log_cnt;
- atomic_t dbg_log_dmping;
- struct dbg_log_ent dbg_log[DBG_LOG_SZ];
- };
- #define LPFC_MAX_RXMONITOR_ENTRY 800
- #define LPFC_MAX_RXMONITOR_DUMP 32
- struct rx_info_entry {
- uint64_t cmf_bytes; /* Total no of read bytes for CMF_SYNC_WQE */
- uint64_t total_bytes; /* Total no of read bytes requested */
- uint64_t rcv_bytes; /* Total no of read bytes completed */
- uint64_t avg_io_size;
- uint64_t avg_io_latency;/* Average io latency in microseconds */
- uint64_t max_read_cnt; /* Maximum read bytes */
- uint64_t max_bytes_per_interval;
- uint32_t cmf_busy;
- uint32_t cmf_info; /* CMF_SYNC_WQE info */
- uint32_t io_cnt;
- uint32_t timer_utilization;
- uint32_t timer_interval;
- };
- struct lpfc_rx_info_monitor {
- struct rx_info_entry *ring; /* info organized in a circular buffer */
- u32 head_idx, tail_idx; /* index to head/tail of ring */
- spinlock_t lock; /* spinlock for ring */
- u32 entries; /* storing number entries/size of ring */
- };
- 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; \
- }
- /**
- * lpfc_is_vmid_enabled - returns if VMID is enabled for either switch types
- * @phba: Pointer to HBA context object.
- *
- * Relationship between the enable, target support and if vmid tag is required
- * for the particular combination
- * ---------------------------------------------------
- * Switch Enable Flag Target Support VMID Needed
- * ---------------------------------------------------
- * App Id 0 NA N
- * App Id 1 0 N
- * App Id 1 1 Y
- * Pr Tag 0 NA N
- * Pr Tag 1 0 N
- * Pr Tag 1 1 Y
- * Pr Tag 2 * Y
- ---------------------------------------------------
- *
- **/
- static inline int lpfc_is_vmid_enabled(struct lpfc_hba *phba)
- {
- return phba->cfg_vmid_app_header || phba->cfg_vmid_priority_tagging;
- }
- static inline
- u8 get_job_ulpstatus(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
- {
- if (phba->sli_rev == LPFC_SLI_REV4)
- return bf_get(lpfc_wcqe_c_status, &iocbq->wcqe_cmpl);
- else
- return iocbq->iocb.ulpStatus;
- }
- static inline
- u32 get_job_word4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
- {
- if (phba->sli_rev == LPFC_SLI_REV4)
- return iocbq->wcqe_cmpl.parameter;
- else
- return iocbq->iocb.un.ulpWord[4];
- }
- static inline
- u8 get_job_cmnd(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
- {
- if (phba->sli_rev == LPFC_SLI_REV4)
- return bf_get(wqe_cmnd, &iocbq->wqe.generic.wqe_com);
- else
- return iocbq->iocb.ulpCommand;
- }
- static inline
- u16 get_job_ulpcontext(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
- {
- if (phba->sli_rev == LPFC_SLI_REV4)
- return bf_get(wqe_ctxt_tag, &iocbq->wqe.generic.wqe_com);
- else
- return iocbq->iocb.ulpContext;
- }
- static inline
- u16 get_job_rcvoxid(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
- {
- if (phba->sli_rev == LPFC_SLI_REV4)
- return bf_get(wqe_rcvoxid, &iocbq->wqe.generic.wqe_com);
- else
- return iocbq->iocb.unsli3.rcvsli3.ox_id;
- }
- static inline
- u32 get_job_data_placed(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
- {
- if (phba->sli_rev == LPFC_SLI_REV4)
- return iocbq->wcqe_cmpl.total_data_placed;
- else
- return iocbq->iocb.un.genreq64.bdl.bdeSize;
- }
- static inline
- u32 get_job_abtsiotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
- {
- if (phba->sli_rev == LPFC_SLI_REV4)
- return iocbq->wqe.abort_cmd.wqe_com.abort_tag;
- else
- return iocbq->iocb.un.acxri.abortIoTag;
- }
- static inline
- u32 get_job_els_rsp64_did(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
- {
- if (phba->sli_rev == LPFC_SLI_REV4)
- return bf_get(wqe_els_did, &iocbq->wqe.els_req.wqe_dest);
- else
- return iocbq->iocb.un.elsreq64.remoteID;
- }
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