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-rw-r--r--drivers/scsi/lpfc/lpfc.h1886
1 files changed, 1886 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
new file mode 100644
index 000000000..664ac3069
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -0,0 +1,1886 @@
+/*******************************************************************
+ * 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, &reg_data, eq->queue_id);
+ bf_set(lpfc_sliport_eqdelay_delay, &reg_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;
+}