/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * QLogic Fibre Channel HBA Driver
 * Copyright (c)  2003-2014 QLogic Corporation
 */
#ifndef __QLA_DEF_H
#define __QLA_DEF_H

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/module.h>
#include <linux/list.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/dmapool.h>
#include <linux/mempool.h>
#include <linux/spinlock.h>
#include <linux/completion.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <linux/firmware.h>
#include <linux/mutex.h>
#include <linux/btree.h>

#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_transport_fc.h>
#include <scsi/scsi_bsg_fc.h>

#include <uapi/scsi/fc/fc_els.h>

#define QLA_DFS_DEFINE_DENTRY(_debugfs_file_name) \
        struct dentry *dfs_##_debugfs_file_name
#define QLA_DFS_ROOT_DEFINE_DENTRY(_debugfs_file_name) \
        struct dentry *qla_dfs_##_debugfs_file_name

/* Big endian Fibre Channel S_ID (source ID) or D_ID (destination ID). */
typedef struct {
        uint8_t domain;
        uint8_t area;
        uint8_t al_pa;
} be_id_t;

/* Little endian Fibre Channel S_ID (source ID) or D_ID (destination ID). */
typedef struct {
        uint8_t al_pa;
        uint8_t area;
        uint8_t domain;
} le_id_t;

/*
 * 24 bit port ID type definition.
 */
typedef union {
        uint32_t b24 : 24;
        struct {
#ifdef __BIG_ENDIAN
                uint8_t domain;
                uint8_t area;
                uint8_t al_pa;
#elif defined(__LITTLE_ENDIAN)
                uint8_t al_pa;
                uint8_t area;
                uint8_t domain;
#else
#error "__BIG_ENDIAN or __LITTLE_ENDIAN must be defined!"
#endif
                uint8_t rsvd_1;
        } b;
} port_id_t;
#define INVALID_PORT_ID 0xFFFFFF

#include "qla_bsg.h"
#include "qla_dsd.h"
#include "qla_nx.h"
#include "qla_nx2.h"
#include "qla_nvme.h"
#define QLA2XXX_DRIVER_NAME     "qla2xxx"
#define QLA2XXX_APIDEV          "ql2xapidev"
#define QLA2XXX_MANUFACTURER    "Marvell"

/*
 * We have MAILBOX_REGISTER_COUNT sized arrays in a few places,
 * but that's fine as we don't look at the last 24 ones for
 * ISP2100 HBAs.
 */
#define MAILBOX_REGISTER_COUNT_2100     8
#define MAILBOX_REGISTER_COUNT_2200     24
#define MAILBOX_REGISTER_COUNT          32

#define QLA2200A_RISC_ROM_VER   4
#define FPM_2300                6
#define FPM_2310                7

#include "qla_settings.h"

#define MODE_DUAL (MODE_TARGET | MODE_INITIATOR)

/*
 * Data bit definitions
 */
#define BIT_0   0x1
#define BIT_1   0x2
#define BIT_2   0x4
#define BIT_3   0x8
#define BIT_4   0x10
#define BIT_5   0x20
#define BIT_6   0x40
#define BIT_7   0x80
#define BIT_8   0x100
#define BIT_9   0x200
#define BIT_10  0x400
#define BIT_11  0x800
#define BIT_12  0x1000
#define BIT_13  0x2000
#define BIT_14  0x4000
#define BIT_15  0x8000
#define BIT_16  0x10000
#define BIT_17  0x20000
#define BIT_18  0x40000
#define BIT_19  0x80000
#define BIT_20  0x100000
#define BIT_21  0x200000
#define BIT_22  0x400000
#define BIT_23  0x800000
#define BIT_24  0x1000000
#define BIT_25  0x2000000
#define BIT_26  0x4000000
#define BIT_27  0x8000000
#define BIT_28  0x10000000
#define BIT_29  0x20000000
#define BIT_30  0x40000000
#define BIT_31  0x80000000

#define LSB(x)  ((uint8_t)(x))
#define MSB(x)  ((uint8_t)((uint16_t)(x) >> 8))

#define LSW(x)  ((uint16_t)(x))
#define MSW(x)  ((uint16_t)((uint32_t)(x) >> 16))

#define LSD(x)  ((uint32_t)((uint64_t)(x)))
#define MSD(x)  ((uint32_t)((((uint64_t)(x)) >> 16) >> 16))

static inline uint32_t make_handle(uint16_t x, uint16_t y)
{
        return ((uint32_t)x << 16) | y;
}

/*
 * I/O register
*/

static inline u8 rd_reg_byte(const volatile u8 __iomem *addr)
{
        return readb(addr);
}

static inline u16 rd_reg_word(const volatile __le16 __iomem *addr)
{
        return readw(addr);
}

static inline u32 rd_reg_dword(const volatile __le32 __iomem *addr)
{
        return readl(addr);
}

static inline u8 rd_reg_byte_relaxed(const volatile u8 __iomem *addr)
{
        return readb_relaxed(addr);
}

static inline u16 rd_reg_word_relaxed(const volatile __le16 __iomem *addr)
{
        return readw_relaxed(addr);
}

static inline u32 rd_reg_dword_relaxed(const volatile __le32 __iomem *addr)
{
        return readl_relaxed(addr);
}

static inline void wrt_reg_byte(volatile u8 __iomem *addr, u8 data)
{
        return writeb(data, addr);
}

static inline void wrt_reg_word(volatile __le16 __iomem *addr, u16 data)
{
        return writew(data, addr);
}

static inline void wrt_reg_dword(volatile __le32 __iomem *addr, u32 data)
{
        return writel(data, addr);
}

/*
 * ISP83XX specific remote register addresses
 */
#define QLA83XX_LED_PORT0                       0x00201320
#define QLA83XX_LED_PORT1                       0x00201328
#define QLA83XX_IDC_DEV_STATE           0x22102384
#define QLA83XX_IDC_MAJOR_VERSION       0x22102380
#define QLA83XX_IDC_MINOR_VERSION       0x22102398
#define QLA83XX_IDC_DRV_PRESENCE        0x22102388
#define QLA83XX_IDC_DRIVER_ACK          0x2210238c
#define QLA83XX_IDC_CONTROL                     0x22102390
#define QLA83XX_IDC_AUDIT                       0x22102394
#define QLA83XX_IDC_LOCK_RECOVERY       0x2210239c
#define QLA83XX_DRIVER_LOCKID           0x22102104
#define QLA83XX_DRIVER_LOCK                     0x8111c028
#define QLA83XX_DRIVER_UNLOCK           0x8111c02c
#define QLA83XX_FLASH_LOCKID            0x22102100
#define QLA83XX_FLASH_LOCK                      0x8111c010
#define QLA83XX_FLASH_UNLOCK            0x8111c014
#define QLA83XX_DEV_PARTINFO1           0x221023e0
#define QLA83XX_DEV_PARTINFO2           0x221023e4
#define QLA83XX_FW_HEARTBEAT            0x221020b0
#define QLA83XX_PEG_HALT_STATUS1        0x221020a8
#define QLA83XX_PEG_HALT_STATUS2        0x221020ac

/* 83XX: Macros defining 8200 AEN Reason codes */
#define IDC_DEVICE_STATE_CHANGE BIT_0
#define IDC_PEG_HALT_STATUS_CHANGE BIT_1
#define IDC_NIC_FW_REPORTED_FAILURE BIT_2
#define IDC_HEARTBEAT_FAILURE BIT_3

/* 83XX: Macros defining 8200 AEN Error-levels */
#define ERR_LEVEL_NON_FATAL 0x1
#define ERR_LEVEL_RECOVERABLE_FATAL 0x2
#define ERR_LEVEL_UNRECOVERABLE_FATAL 0x4

/* 83XX: Macros for IDC Version */
#define QLA83XX_SUPP_IDC_MAJOR_VERSION 0x01
#define QLA83XX_SUPP_IDC_MINOR_VERSION 0x0

/* 83XX: Macros for scheduling dpc tasks */
#define QLA83XX_NIC_CORE_RESET 0x1
#define QLA83XX_IDC_STATE_HANDLER 0x2
#define QLA83XX_NIC_CORE_UNRECOVERABLE 0x3

/* 83XX: Macros for defining IDC-Control bits */
#define QLA83XX_IDC_RESET_DISABLED BIT_0
#define QLA83XX_IDC_GRACEFUL_RESET BIT_1

/* 83XX: Macros for different timeouts */
#define QLA83XX_IDC_INITIALIZATION_TIMEOUT 30
#define QLA83XX_IDC_RESET_ACK_TIMEOUT 10
#define QLA83XX_MAX_LOCK_RECOVERY_WAIT (2 * HZ)

/* 83XX: Macros for defining class in DEV-Partition Info register */
#define QLA83XX_CLASS_TYPE_NONE         0x0
#define QLA83XX_CLASS_TYPE_NIC          0x1
#define QLA83XX_CLASS_TYPE_FCOE         0x2
#define QLA83XX_CLASS_TYPE_ISCSI        0x3

/* 83XX: Macros for IDC Lock-Recovery stages */
#define IDC_LOCK_RECOVERY_STAGE1        0x1 /* Stage1: Intent for
                                             * lock-recovery
                                             */
#define IDC_LOCK_RECOVERY_STAGE2        0x2 /* Stage2: Perform lock-recovery */

/* 83XX: Macros for IDC Audit type */
#define IDC_AUDIT_TIMESTAMP             0x0 /* IDC-AUDIT: Record timestamp of
                                             * dev-state change to NEED-RESET
                                             * or NEED-QUIESCENT
                                             */
#define IDC_AUDIT_COMPLETION            0x1 /* IDC-AUDIT: Record duration of
                                             * reset-recovery completion is
                                             * second
                                             */
/* ISP2031: Values for laser on/off */
#define PORT_0_2031     0x00201340
#define PORT_1_2031     0x00201350
#define LASER_ON_2031   0x01800100
#define LASER_OFF_2031  0x01800180

/*
 * The ISP2312 v2 chip cannot access the FLASH/GPIO registers via MMIO in an
 * 133Mhz slot.
 */
#define RD_REG_WORD_PIO(addr)           (inw((unsigned long)addr))
#define WRT_REG_WORD_PIO(addr, data)    (outw(data, (unsigned long)addr))

/*
 * Fibre Channel device definitions.
 */
#define WWN_SIZE                8       /* Size of WWPN, WWN & WWNN */
#define MAX_FIBRE_DEVICES_2100  512
#define MAX_FIBRE_DEVICES_2400  2048
#define MAX_FIBRE_DEVICES_LOOP  128
#define MAX_FIBRE_DEVICES_MAX   MAX_FIBRE_DEVICES_2400
#define LOOPID_MAP_SIZE         (ha->max_fibre_devices)
#define MAX_FIBRE_LUNS          0xFFFF
#define MAX_HOST_COUNT          16

/*
 * Host adapter default definitions.
 */
#define MAX_BUSES               1  /* We only have one bus today */
#define MIN_LUNS                8
#define MAX_LUNS                MAX_FIBRE_LUNS
#define MAX_CMDS_PER_LUN        255

/*
 * Fibre Channel device definitions.
 */
#define SNS_LAST_LOOP_ID_2100   0xfe
#define SNS_LAST_LOOP_ID_2300   0x7ff

#define LAST_LOCAL_LOOP_ID      0x7d
#define SNS_FL_PORT             0x7e
#define FABRIC_CONTROLLER       0x7f
#define SIMPLE_NAME_SERVER      0x80
#define SNS_FIRST_LOOP_ID       0x81
#define MANAGEMENT_SERVER       0xfe
#define BROADCAST               0xff

/*
 * There is no correspondence between an N-PORT id and an AL_PA.  Therefore the
 * valid range of an N-PORT id is 0 through 0x7ef.
 */
#define NPH_LAST_HANDLE         0x7ee
#define NPH_MGMT_SERVER         0x7ef           /*  FFFFEF */
#define NPH_SNS                 0x7fc           /*  FFFFFC */
#define NPH_FABRIC_CONTROLLER   0x7fd           /*  FFFFFD */
#define NPH_F_PORT              0x7fe           /*  FFFFFE */
#define NPH_IP_BROADCAST        0x7ff           /*  FFFFFF */

#define NPH_SNS_LID(ha) (IS_FWI2_CAPABLE(ha) ? NPH_SNS : SIMPLE_NAME_SERVER)

#define MAX_CMDSZ       16              /* SCSI maximum CDB size. */
#include "qla_fw.h"

struct name_list_extended {
        struct get_name_list_extended *l;
        dma_addr_t              ldma;
        struct list_head        fcports;
        u32                     size;
        u8                      sent;
};

struct qla_nvme_fc_rjt {
        struct fcnvme_ls_rjt *c;
        dma_addr_t  cdma;
        u16 size;
};

struct els_reject {
        struct fc_els_ls_rjt *c;
        dma_addr_t  cdma;
        u16 size;
};

/*
 * Timeout timer counts in seconds
 */
#define PORT_RETRY_TIME                 1
#define LOOP_DOWN_TIMEOUT               60
#define LOOP_DOWN_TIME                  255     /* 240 */
#define LOOP_DOWN_RESET                 (LOOP_DOWN_TIME - 30)

#define DEFAULT_OUTSTANDING_COMMANDS    4096
#define MIN_OUTSTANDING_COMMANDS        128

/* ISP request and response entry counts (37-65535) */
#define REQUEST_ENTRY_CNT_2100          128     /* Number of request entries. */
#define REQUEST_ENTRY_CNT_2200          2048    /* Number of request entries. */
#define REQUEST_ENTRY_CNT_24XX          2048    /* Number of request entries. */
#define REQUEST_ENTRY_CNT_83XX          8192    /* Number of request entries. */
#define RESPONSE_ENTRY_CNT_83XX         4096    /* Number of response entries.*/
#define RESPONSE_ENTRY_CNT_2100         64      /* Number of response entries.*/
#define RESPONSE_ENTRY_CNT_2300         512     /* Number of response entries.*/
#define RESPONSE_ENTRY_CNT_MQ           128     /* Number of response entries.*/
#define ATIO_ENTRY_CNT_24XX             4096    /* Number of ATIO entries. */
#define RESPONSE_ENTRY_CNT_FX00         256     /* Number of response entries.*/
#define FW_DEF_EXCHANGES_CNT 2048
#define FW_MAX_EXCHANGES_CNT (32 * 1024)
#define REDUCE_EXCHANGES_CNT  (8 * 1024)

#define SET_DID_STATUS(stat_var, status) (stat_var = status << 16)

struct req_que;
struct qla_tgt_sess;

struct qla_buf_dsc {
        u16 tag;
#define TAG_FREED 0xffff
        void *buf;
        dma_addr_t buf_dma;
};

/*
 * SCSI Request Block
 */
struct srb_cmd {
        struct scsi_cmnd *cmd;          /* Linux SCSI command pkt */
        uint32_t request_sense_length;
        uint32_t fw_sense_length;
        uint8_t *request_sense_ptr;
        struct crc_context *crc_ctx;
        struct ct6_dsd ct6_ctx;
        struct qla_buf_dsc buf_dsc;
};

/*
 * SRB flag definitions
 */
#define SRB_DMA_VALID                   BIT_0   /* Command sent to ISP */
#define SRB_GOT_BUF                     BIT_1
#define SRB_FCP_CMND_DMA_VALID          BIT_12  /* DIF: DSD List valid */
#define SRB_CRC_CTX_DMA_VALID           BIT_2   /* DIF: context DMA valid */
#define SRB_CRC_PROT_DMA_VALID          BIT_4   /* DIF: prot DMA valid */
#define SRB_CRC_CTX_DSD_VALID           BIT_5   /* DIF: dsd_list valid */
#define SRB_WAKEUP_ON_COMP              BIT_6
#define SRB_DIF_BUNDL_DMA_VALID         BIT_7   /* DIF: DMA list valid */
#define SRB_EDIF_CLEANUP_DELETE         BIT_9

/* To identify if a srb is of T10-CRC type. @sp => srb_t pointer */
#define IS_PROT_IO(sp)  (sp->flags & SRB_CRC_CTX_DSD_VALID)
#define ISP_REG16_DISCONNECT 0xFFFF

static inline le_id_t be_id_to_le(be_id_t id)
{
        le_id_t res;

        res.domain = id.domain;
        res.area   = id.area;
        res.al_pa  = id.al_pa;

        return res;
}

static inline be_id_t le_id_to_be(le_id_t id)
{
        be_id_t res;

        res.domain = id.domain;
        res.area   = id.area;
        res.al_pa  = id.al_pa;

        return res;
}

static inline port_id_t be_to_port_id(be_id_t id)
{
        port_id_t res;

        res.b.domain = id.domain;
        res.b.area   = id.area;
        res.b.al_pa  = id.al_pa;
        res.b.rsvd_1 = 0;

        return res;
}

static inline be_id_t port_id_to_be_id(port_id_t port_id)
{
        be_id_t res;

        res.domain = port_id.b.domain;
        res.area   = port_id.b.area;
        res.al_pa  = port_id.b.al_pa;

        return res;
}

struct tmf_arg {
        struct list_head tmf_elem;
        struct qla_qpair *qpair;
        struct fc_port *fcport;
        struct scsi_qla_host *vha;
        u64 lun;
        u32 flags;
        uint8_t modifier;
};

struct els_logo_payload {
        uint8_t opcode;
        uint8_t rsvd[3];
        uint8_t s_id[3];
        uint8_t rsvd1[1];
        uint8_t wwpn[WWN_SIZE];
};

struct els_plogi_payload {
        uint8_t opcode;
        uint8_t rsvd[3];
        __be32  data[112 / 4];
};

struct ct_arg {
        void            *iocb;
        u16             nport_handle;
        dma_addr_t      req_dma;
        dma_addr_t      rsp_dma;
        u32             req_size;
        u32             rsp_size;
        u32             req_allocated_size;
        u32             rsp_allocated_size;
        void            *req;
        void            *rsp;
        port_id_t       id;
};

struct qla_nvme_lsrjt_pt_arg {
        struct fc_port *fcport;
        u8 opcode;
        u8 vp_idx;
        u8 reason;
        u8 explanation;
        __le16 nport_handle;
        u16 control_flags;
        __le16 ox_id;
        __le32 xchg_address;
        u32 tx_byte_count, rx_byte_count;
        dma_addr_t tx_addr, rx_addr;
};

/*
 * SRB extensions.
 */
struct srb_iocb {
        union {
                struct {
                        uint16_t flags;
#define SRB_LOGIN_RETRIED       BIT_0
#define SRB_LOGIN_COND_PLOGI    BIT_1
#define SRB_LOGIN_SKIP_PRLI     BIT_2
#define SRB_LOGIN_NVME_PRLI     BIT_3
#define SRB_LOGIN_PRLI_ONLY     BIT_4
#define SRB_LOGIN_FCSP          BIT_5
                        uint16_t data[2];
                        u32 iop[2];
                } logio;
                struct {
#define ELS_DCMD_TIMEOUT 20
#define ELS_DCMD_LOGO 0x5
                        uint32_t flags;
                        uint32_t els_cmd;
                        struct completion comp;
                        struct els_logo_payload *els_logo_pyld;
                        dma_addr_t els_logo_pyld_dma;
                } els_logo;
                struct els_plogi {
#define ELS_DCMD_PLOGI 0x3
                        uint32_t flags;
                        uint32_t els_cmd;
                        struct completion comp;
                        struct els_plogi_payload *els_plogi_pyld;
                        struct els_plogi_payload *els_resp_pyld;
                        u32 tx_size;
                        u32 rx_size;
                        dma_addr_t els_plogi_pyld_dma;
                        dma_addr_t els_resp_pyld_dma;
                        __le32  fw_status[3];
                        __le16  comp_status;
                        __le16  len;
                } els_plogi;
                struct {
                        /*
                         * Values for flags field below are as
                         * defined in tsk_mgmt_entry struct
                         * for control_flags field in qla_fw.h.
                         */
                        uint64_t lun;
                        uint32_t flags;
                        uint32_t data;
                        struct completion comp;
                        __le16 comp_status;

                        uint8_t modifier;
                        uint8_t vp_index;
                        uint16_t loop_id;
                } tmf;
                struct {
#define SRB_FXDISC_REQ_DMA_VALID        BIT_0
#define SRB_FXDISC_RESP_DMA_VALID       BIT_1
#define SRB_FXDISC_REQ_DWRD_VALID       BIT_2
#define SRB_FXDISC_RSP_DWRD_VALID       BIT_3
#define FXDISC_TIMEOUT 20
                        uint8_t flags;
                        uint32_t req_len;
                        uint32_t rsp_len;
                        void *req_addr;
                        void *rsp_addr;
                        dma_addr_t req_dma_handle;
                        dma_addr_t rsp_dma_handle;
                        __le32 adapter_id;
                        __le32 adapter_id_hi;
                        __le16 req_func_type;
                        __le32 req_data;
                        __le32 req_data_extra;
                        __le32 result;
                        __le32 seq_number;
                        __le16 fw_flags;
                        struct completion fxiocb_comp;
                        __le32 reserved_0;
                        uint8_t reserved_1;
                } fxiocb;
                struct {
                        uint32_t cmd_hndl;
                        __le16 comp_status;
                        __le16 req_que_no;
                        struct completion comp;
                } abt;
                struct ct_arg ctarg;
#define MAX_IOCB_MB_REG 28
#define SIZEOF_IOCB_MB_REG (MAX_IOCB_MB_REG * sizeof(uint16_t))
                struct {
                        u16 in_mb[MAX_IOCB_MB_REG];     /* from FW */
                        u16 out_mb[MAX_IOCB_MB_REG];    /* to FW */
                        void *out, *in;
                        dma_addr_t out_dma, in_dma;
                        struct completion comp;
                        int rc;
                } mbx;
                struct {
                        struct imm_ntfy_from_isp *ntfy;
                } nack;
                struct {
                        __le16 comp_status;
                        __le16 rsp_pyld_len;
                        uint8_t aen_op;
                        void *desc;

                        /* These are only used with ls4 requests */
                        __le32 cmd_len;
                        __le32 rsp_len;
                        dma_addr_t cmd_dma;
                        dma_addr_t rsp_dma;
                        enum nvmefc_fcp_datadir dir;
                        uint32_t dl;
                        uint32_t timeout_sec;
                        __le32 exchange_address;
                        __le16 nport_handle;
                        __le16 ox_id;
                        struct  list_head   entry;
                } nvme;
                struct {
                        u16 cmd;
                        u16 vp_index;
                } ctrlvp;
                struct {
                        struct edif_sa_ctl      *sa_ctl;
                        struct qla_sa_update_frame sa_frame;
                } sa_update;
        } u;

        struct timer_list timer;
        void (*timeout)(void *);
};

/* Values for srb_ctx type */
#define SRB_LOGIN_CMD   1
#define SRB_LOGOUT_CMD  2
#define SRB_ELS_CMD_RPT 3
#define SRB_ELS_CMD_HST 4
#define SRB_CT_CMD      5
#define SRB_ADISC_CMD   6
#define SRB_TM_CMD      7
#define SRB_SCSI_CMD    8
#define SRB_BIDI_CMD    9
#define SRB_FXIOCB_DCMD 10
#define SRB_FXIOCB_BCMD 11
#define SRB_ABT_CMD     12
#define SRB_ELS_DCMD    13
#define SRB_MB_IOCB     14
#define SRB_CT_PTHRU_CMD 15
#define SRB_NACK_PLOGI  16
#define SRB_NACK_PRLI   17
#define SRB_NACK_LOGO   18
#define SRB_NVME_CMD    19
#define SRB_NVME_LS     20
#define SRB_PRLI_CMD    21
#define SRB_CTRL_VP     22
#define SRB_PRLO_CMD    23
#define SRB_SA_UPDATE   25
#define SRB_ELS_CMD_HST_NOLOGIN 26
#define SRB_SA_REPLACE  27
#define SRB_MARKER      28

struct qla_els_pt_arg {
        u8 els_opcode;
        u8 vp_idx;
        __le16 nport_handle;
        u16 control_flags, ox_id;
        __le32 rx_xchg_address;
        port_id_t did, sid;
        u32 tx_len, tx_byte_count, rx_len, rx_byte_count;
        dma_addr_t tx_addr, rx_addr;

};

enum {
        TYPE_SRB,
        TYPE_TGT_CMD,
        TYPE_TGT_TMCMD,         /* task management */
};

struct iocb_resource {
        u8 res_type;
        u8  exch_cnt;
        u16 iocb_cnt;
};

struct bsg_cmd {
        struct bsg_job *bsg_job;
        union {
                struct qla_els_pt_arg els_arg;
        } u;
};

typedef struct srb {
        /*
         * Do not move cmd_type field, it needs to
         * line up with qla_tgt_cmd->cmd_type
         */
        uint8_t cmd_type;
        uint8_t pad[3];
        struct iocb_resource iores;
        struct kref cmd_kref;   /* need to migrate ref_count over to this */
        void *priv;
        struct fc_port *fcport;
        struct scsi_qla_host *vha;
        unsigned int start_timer:1;
        unsigned int abort:1;
        unsigned int aborted:1;
        unsigned int completed:1;
        unsigned int unsol_rsp:1;

        uint32_t handle;
        uint16_t flags;
        uint16_t type;
        const char *name;
        int iocbs;
        struct qla_qpair *qpair;
        struct srb *cmd_sp;
        struct list_head elem;
        u32 gen1;       /* scratch */
        u32 gen2;       /* scratch */
        int rc;
        int retry_count;
        struct completion *comp;
        union {
                struct srb_iocb iocb_cmd;
                struct bsg_job *bsg_job;
                struct srb_cmd scmd;
                struct bsg_cmd bsg_cmd;
        } u;
        struct {
                bool remapped;
                struct {
                        dma_addr_t dma;
                        void *buf;
                        uint len;
                } req;
                struct {
                        dma_addr_t dma;
                        void *buf;
                        uint len;
                } rsp;
        } remap;
        /*
         * Report completion status @res and call sp_put(@sp). @res is
         * an NVMe status code, a SCSI result (e.g. DID_OK << 16) or a
         * QLA_* status value.
         */
        void (*done)(struct srb *sp, int res);
        /* Stop the timer and free @sp. Only used by the FCP code. */
        void (*free)(struct srb *sp);
        /*
         * Call nvme_private->fd->done() and free @sp. Only used by the NVMe
         * code.
         */
        void (*put_fn)(struct kref *kref);

        /*
         * Report completion for asynchronous commands.
         */
        void (*async_done)(struct srb *sp, int res);
} srb_t;

#define GET_CMD_SP(sp) (sp->u.scmd.cmd)

#define GET_CMD_SENSE_LEN(sp) \
        (sp->u.scmd.request_sense_length)
#define SET_CMD_SENSE_LEN(sp, len) \
        (sp->u.scmd.request_sense_length = len)
#define GET_CMD_SENSE_PTR(sp) \
        (sp->u.scmd.request_sense_ptr)
#define SET_CMD_SENSE_PTR(sp, ptr) \
        (sp->u.scmd.request_sense_ptr = ptr)
#define GET_FW_SENSE_LEN(sp) \
        (sp->u.scmd.fw_sense_length)
#define SET_FW_SENSE_LEN(sp, len) \
        (sp->u.scmd.fw_sense_length = len)

struct msg_echo_lb {
        dma_addr_t send_dma;
        dma_addr_t rcv_dma;
        uint16_t req_sg_cnt;
        uint16_t rsp_sg_cnt;
        uint16_t options;
        uint32_t transfer_size;
        uint32_t iteration_count;
};

/*
 * ISP I/O Register Set structure definitions.
 */
struct device_reg_2xxx {
        __le16  flash_address;  /* Flash BIOS address */
        __le16  flash_data;             /* Flash BIOS data */
        __le16  unused_1[1];            /* Gap */
        __le16  ctrl_status;            /* Control/Status */
#define CSR_FLASH_64K_BANK      BIT_3   /* Flash upper 64K bank select */
#define CSR_FLASH_ENABLE        BIT_1   /* Flash BIOS Read/Write enable */
#define CSR_ISP_SOFT_RESET      BIT_0   /* ISP soft reset */

        __le16  ictrl;                  /* Interrupt control */
#define ICR_EN_INT              BIT_15  /* ISP enable interrupts. */
#define ICR_EN_RISC             BIT_3   /* ISP enable RISC interrupts. */

        __le16  istatus;                /* Interrupt status */
#define ISR_RISC_INT            BIT_3   /* RISC interrupt */

        __le16  semaphore;              /* Semaphore */
        __le16  nvram;                  /* NVRAM register. */
#define NVR_DESELECT            0
#define NVR_BUSY                BIT_15
#define NVR_WRT_ENABLE          BIT_14  /* Write enable */
#define NVR_PR_ENABLE           BIT_13  /* Protection register enable */
#define NVR_DATA_IN             BIT_3
#define NVR_DATA_OUT            BIT_2
#define NVR_SELECT              BIT_1
#define NVR_CLOCK               BIT_0

#define NVR_WAIT_CNT            20000

        union {
                struct {
                        __le16  mailbox0;
                        __le16  mailbox1;
                        __le16  mailbox2;
                        __le16  mailbox3;
                        __le16  mailbox4;
                        __le16  mailbox5;
                        __le16  mailbox6;
                        __le16  mailbox7;
                        __le16  unused_2[59];   /* Gap */
                } __attribute__((packed)) isp2100;
                struct {
                                                /* Request Queue */
                        __le16  req_q_in;       /*  In-Pointer */
                        __le16  req_q_out;      /*  Out-Pointer */
                                                /* Response Queue */
                        __le16  rsp_q_in;       /*  In-Pointer */
                        __le16  rsp_q_out;      /*  Out-Pointer */

                                                /* RISC to Host Status */
                        __le32  host_status;
#define HSR_RISC_INT            BIT_15  /* RISC interrupt */
#define HSR_RISC_PAUSED         BIT_8   /* RISC Paused */

                                        /* Host to Host Semaphore */
                        __le16  host_semaphore;
                        __le16  unused_3[17];   /* Gap */
                        __le16  mailbox0;
                        __le16  mailbox1;
                        __le16  mailbox2;
                        __le16  mailbox3;
                        __le16  mailbox4;
                        __le16  mailbox5;
                        __le16  mailbox6;
                        __le16  mailbox7;
                        __le16  mailbox8;
                        __le16  mailbox9;
                        __le16  mailbox10;
                        __le16  mailbox11;
                        __le16  mailbox12;
                        __le16  mailbox13;
                        __le16  mailbox14;
                        __le16  mailbox15;
                        __le16  mailbox16;
                        __le16  mailbox17;
                        __le16  mailbox18;
                        __le16  mailbox19;
                        __le16  mailbox20;
                        __le16  mailbox21;
                        __le16  mailbox22;
                        __le16  mailbox23;
                        __le16  mailbox24;
                        __le16  mailbox25;
                        __le16  mailbox26;
                        __le16  mailbox27;
                        __le16  mailbox28;
                        __le16  mailbox29;
                        __le16  mailbox30;
                        __le16  mailbox31;
                        __le16  fb_cmd;
                        __le16  unused_4[10];   /* Gap */
                } __attribute__((packed)) isp2300;
        } u;

        __le16  fpm_diag_config;
        __le16  unused_5[0x4];          /* Gap */
        __le16  risc_hw;
        __le16  unused_5_1;             /* Gap */
        __le16  pcr;                    /* Processor Control Register. */
        __le16  unused_6[0x5];          /* Gap */
        __le16  mctr;                   /* Memory Configuration and Timing. */
        __le16  unused_7[0x3];          /* Gap */
        __le16  fb_cmd_2100;            /* Unused on 23XX */
        __le16  unused_8[0x3];          /* Gap */
        __le16  hccr;                   /* Host command & control register. */
#define HCCR_HOST_INT           BIT_7   /* Host interrupt bit */
#define HCCR_RISC_PAUSE         BIT_5   /* Pause mode bit */
                                        /* HCCR commands */
#define HCCR_RESET_RISC         0x1000  /* Reset RISC */
#define HCCR_PAUSE_RISC         0x2000  /* Pause RISC */
#define HCCR_RELEASE_RISC       0x3000  /* Release RISC from reset. */
#define HCCR_SET_HOST_INT       0x5000  /* Set host interrupt */
#define HCCR_CLR_HOST_INT       0x6000  /* Clear HOST interrupt */
#define HCCR_CLR_RISC_INT       0x7000  /* Clear RISC interrupt */
#define HCCR_DISABLE_PARITY_PAUSE 0x4001 /* Disable parity error RISC pause. */
#define HCCR_ENABLE_PARITY      0xA000  /* Enable PARITY interrupt */

        __le16  unused_9[5];            /* Gap */
        __le16  gpiod;                  /* GPIO Data register. */
        __le16  gpioe;                  /* GPIO Enable register. */
#define GPIO_LED_MASK                   0x00C0
#define GPIO_LED_GREEN_OFF_AMBER_OFF    0x0000
#define GPIO_LED_GREEN_ON_AMBER_OFF     0x0040
#define GPIO_LED_GREEN_OFF_AMBER_ON     0x0080
#define GPIO_LED_GREEN_ON_AMBER_ON      0x00C0
#define GPIO_LED_ALL_OFF                0x0000
#define GPIO_LED_RED_ON_OTHER_OFF       0x0001  /* isp2322 */
#define GPIO_LED_RGA_ON                 0x00C1  /* isp2322: red green amber */

        union {
                struct {
                        __le16  unused_10[8];   /* Gap */
                        __le16  mailbox8;
                        __le16  mailbox9;
                        __le16  mailbox10;
                        __le16  mailbox11;
                        __le16  mailbox12;
                        __le16  mailbox13;
                        __le16  mailbox14;
                        __le16  mailbox15;
                        __le16  mailbox16;
                        __le16  mailbox17;
                        __le16  mailbox18;
                        __le16  mailbox19;
                        __le16  mailbox20;
                        __le16  mailbox21;
                        __le16  mailbox22;
                        __le16  mailbox23;      /* Also probe reg. */
                } __attribute__((packed)) isp2200;
        } u_end;
};

struct device_reg_25xxmq {
        __le32  req_q_in;
        __le32  req_q_out;
        __le32  rsp_q_in;
        __le32  rsp_q_out;
        __le32  atio_q_in;
        __le32  atio_q_out;
};


struct device_reg_fx00 {
        __le32  mailbox0;               /* 00 */
        __le32  mailbox1;               /* 04 */
        __le32  mailbox2;               /* 08 */
        __le32  mailbox3;               /* 0C */
        __le32  mailbox4;               /* 10 */
        __le32  mailbox5;               /* 14 */
        __le32  mailbox6;               /* 18 */
        __le32  mailbox7;               /* 1C */
        __le32  mailbox8;               /* 20 */
        __le32  mailbox9;               /* 24 */
        __le32  mailbox10;              /* 28 */
        __le32  mailbox11;
        __le32  mailbox12;
        __le32  mailbox13;
        __le32  mailbox14;
        __le32  mailbox15;
        __le32  mailbox16;
        __le32  mailbox17;
        __le32  mailbox18;
        __le32  mailbox19;
        __le32  mailbox20;
        __le32  mailbox21;
        __le32  mailbox22;
        __le32  mailbox23;
        __le32  mailbox24;
        __le32  mailbox25;
        __le32  mailbox26;
        __le32  mailbox27;
        __le32  mailbox28;
        __le32  mailbox29;
        __le32  mailbox30;
        __le32  mailbox31;
        __le32  aenmailbox0;
        __le32  aenmailbox1;
        __le32  aenmailbox2;
        __le32  aenmailbox3;
        __le32  aenmailbox4;
        __le32  aenmailbox5;
        __le32  aenmailbox6;
        __le32  aenmailbox7;
        /* Request Queue. */
        __le32  req_q_in;               /* A0 - Request Queue In-Pointer */
        __le32  req_q_out;              /* A4 - Request Queue Out-Pointer */
        /* Response Queue. */
        __le32  rsp_q_in;               /* A8 - Response Queue In-Pointer */
        __le32  rsp_q_out;              /* AC - Response Queue Out-Pointer */
        /* Init values shadowed on FW Up Event */
        __le32  initval0;               /* B0 */
        __le32  initval1;               /* B4 */
        __le32  initval2;               /* B8 */
        __le32  initval3;               /* BC */
        __le32  initval4;               /* C0 */
        __le32  initval5;               /* C4 */
        __le32  initval6;               /* C8 */
        __le32  initval7;               /* CC */
        __le32  fwheartbeat;            /* D0 */
        __le32  pseudoaen;              /* D4 */
};



typedef union {
                struct device_reg_2xxx isp;
                struct device_reg_24xx isp24;
                struct device_reg_25xxmq isp25mq;
                struct device_reg_82xx isp82;
                struct device_reg_fx00 ispfx00;
} __iomem device_reg_t;

#define ISP_REQ_Q_IN(ha, reg) \
        (IS_QLA2100(ha) || IS_QLA2200(ha) ? \
         &(reg)->u.isp2100.mailbox4 : \
         &(reg)->u.isp2300.req_q_in)
#define ISP_REQ_Q_OUT(ha, reg) \
        (IS_QLA2100(ha) || IS_QLA2200(ha) ? \
         &(reg)->u.isp2100.mailbox4 : \
         &(reg)->u.isp2300.req_q_out)
#define ISP_RSP_Q_IN(ha, reg) \
        (IS_QLA2100(ha) || IS_QLA2200(ha) ? \
         &(reg)->u.isp2100.mailbox5 : \
         &(reg)->u.isp2300.rsp_q_in)
#define ISP_RSP_Q_OUT(ha, reg) \
        (IS_QLA2100(ha) || IS_QLA2200(ha) ? \
         &(reg)->u.isp2100.mailbox5 : \
         &(reg)->u.isp2300.rsp_q_out)

#define ISP_ATIO_Q_IN(vha) (vha->hw->tgt.atio_q_in)
#define ISP_ATIO_Q_OUT(vha) (vha->hw->tgt.atio_q_out)

#define MAILBOX_REG(ha, reg, num) \
        (IS_QLA2100(ha) || IS_QLA2200(ha) ? \
         (num < 8 ? \
          &(reg)->u.isp2100.mailbox0 + (num) : \
          &(reg)->u_end.isp2200.mailbox8 + (num) - 8) : \
         &(reg)->u.isp2300.mailbox0 + (num))
#define RD_MAILBOX_REG(ha, reg, num) \
        rd_reg_word(MAILBOX_REG(ha, reg, num))
#define WRT_MAILBOX_REG(ha, reg, num, data) \
        wrt_reg_word(MAILBOX_REG(ha, reg, num), data)

#define FB_CMD_REG(ha, reg) \
        (IS_QLA2100(ha) || IS_QLA2200(ha) ? \
         &(reg)->fb_cmd_2100 : \
         &(reg)->u.isp2300.fb_cmd)
#define RD_FB_CMD_REG(ha, reg) \
        rd_reg_word(FB_CMD_REG(ha, reg))
#define WRT_FB_CMD_REG(ha, reg, data) \
        wrt_reg_word(FB_CMD_REG(ha, reg), data)

typedef struct {
        uint32_t        out_mb;         /* outbound from driver */
        uint32_t        in_mb;                  /* Incoming from RISC */
        uint16_t        mb[MAILBOX_REGISTER_COUNT];
        long            buf_size;
        void            *bufp;
        uint32_t        tov;
        uint8_t         flags;
#define MBX_DMA_IN      BIT_0
#define MBX_DMA_OUT     BIT_1
#define IOCTL_CMD       BIT_2
} mbx_cmd_t;

struct mbx_cmd_32 {
        uint32_t        out_mb;         /* outbound from driver */
        uint32_t        in_mb;                  /* Incoming from RISC */
        uint32_t        mb[MAILBOX_REGISTER_COUNT];
        long            buf_size;
        void            *bufp;
        uint32_t        tov;
        uint8_t         flags;
#define MBX_DMA_IN      BIT_0
#define MBX_DMA_OUT     BIT_1
#define IOCTL_CMD       BIT_2
};


#define MBX_TOV_SECONDS 30

/*
 *  ISP product identification definitions in mailboxes after reset.
 */
#define PROD_ID_1               0x4953
#define PROD_ID_2               0x0000
#define PROD_ID_2a              0x5020
#define PROD_ID_3               0x2020

/*
 * ISP mailbox Self-Test status codes
 */
#define MBS_FRM_ALIVE           0       /* Firmware Alive. */
#define MBS_CHKSUM_ERR          1       /* Checksum Error. */
#define MBS_BUSY                4       /* Busy. */

/*
 * ISP mailbox command complete status codes
 */
#define MBS_COMMAND_COMPLETE            0x4000
#define MBS_INVALID_COMMAND             0x4001
#define MBS_HOST_INTERFACE_ERROR        0x4002
#define MBS_TEST_FAILED                 0x4003
#define MBS_COMMAND_ERROR               0x4005
#define MBS_COMMAND_PARAMETER_ERROR     0x4006
#define MBS_PORT_ID_USED                0x4007
#define MBS_LOOP_ID_USED                0x4008
#define MBS_ALL_IDS_IN_USE              0x4009
#define MBS_NOT_LOGGED_IN               0x400A
#define MBS_LINK_DOWN_ERROR             0x400B
#define MBS_DIAG_ECHO_TEST_ERROR        0x400C

static inline bool qla2xxx_is_valid_mbs(unsigned int mbs)
{
        return MBS_COMMAND_COMPLETE <= mbs && mbs <= MBS_DIAG_ECHO_TEST_ERROR;
}

/*
 * ISP mailbox asynchronous event status codes
 */
#define MBA_ASYNC_EVENT         0x8000  /* Asynchronous event. */
#define MBA_RESET               0x8001  /* Reset Detected. */
#define MBA_SYSTEM_ERR          0x8002  /* System Error. */
#define MBA_REQ_TRANSFER_ERR    0x8003  /* Request Transfer Error. */
#define MBA_RSP_TRANSFER_ERR    0x8004  /* Response Transfer Error. */
#define MBA_WAKEUP_THRES        0x8005  /* Request Queue Wake-up. */
#define MBA_LIP_OCCURRED        0x8010  /* Loop Initialization Procedure */
                                        /* occurred. */
#define MBA_LOOP_UP             0x8011  /* FC Loop UP. */
#define MBA_LOOP_DOWN           0x8012  /* FC Loop Down. */
#define MBA_LIP_RESET           0x8013  /* LIP reset occurred. */
#define MBA_PORT_UPDATE         0x8014  /* Port Database update. */
#define MBA_RSCN_UPDATE         0x8015  /* Register State Chg Notification. */
#define MBA_LIP_F8              0x8016  /* Received a LIP F8. */
#define MBA_LOOP_INIT_ERR       0x8017  /* Loop Initialization Error. */
#define MBA_FABRIC_AUTH_REQ     0x801b  /* Fabric Authentication Required. */
#define MBA_CONGN_NOTI_RECV     0x801e  /* Congestion Notification Received */
#define MBA_SCSI_COMPLETION     0x8020  /* SCSI Command Complete. */
#define MBA_CTIO_COMPLETION     0x8021  /* CTIO Complete. */
#define MBA_IP_COMPLETION       0x8022  /* IP Transmit Command Complete. */
#define MBA_IP_RECEIVE          0x8023  /* IP Received. */
#define MBA_IP_BROADCAST        0x8024  /* IP Broadcast Received. */
#define MBA_IP_LOW_WATER_MARK   0x8025  /* IP Low Water Mark reached. */
#define MBA_IP_RCV_BUFFER_EMPTY 0x8026  /* IP receive buffer queue empty. */
#define MBA_IP_HDR_DATA_SPLIT   0x8027  /* IP header/data splitting feature */
                                        /* used. */
#define MBA_TRACE_NOTIFICATION  0x8028  /* Trace/Diagnostic notification. */
#define MBA_POINT_TO_POINT      0x8030  /* Point to point mode. */
#define MBA_CMPLT_1_16BIT       0x8031  /* Completion 1 16bit IOSB. */
#define MBA_CMPLT_2_16BIT       0x8032  /* Completion 2 16bit IOSB. */
#define MBA_CMPLT_3_16BIT       0x8033  /* Completion 3 16bit IOSB. */
#define MBA_CMPLT_4_16BIT       0x8034  /* Completion 4 16bit IOSB. */
#define MBA_CMPLT_5_16BIT       0x8035  /* Completion 5 16bit IOSB. */
#define MBA_CHG_IN_CONNECTION   0x8036  /* Change in connection mode. */
#define MBA_RIO_RESPONSE        0x8040  /* RIO response queue update. */
#define MBA_ZIO_RESPONSE        0x8040  /* ZIO response queue update. */
#define MBA_CMPLT_2_32BIT       0x8042  /* Completion 2 32bit IOSB. */
#define MBA_BYPASS_NOTIFICATION 0x8043  /* Auto bypass notification. */
#define MBA_DISCARD_RND_FRAME   0x8048  /* discard RND frame due to error. */
#define MBA_REJECTED_FCP_CMD    0x8049  /* rejected FCP_CMD. */
#define MBA_FW_NOT_STARTED      0x8050  /* Firmware not started */
#define MBA_FW_STARTING         0x8051  /* Firmware starting */
#define MBA_FW_RESTART_CMPLT    0x8060  /* Firmware restart complete */
#define MBA_INIT_REQUIRED       0x8061  /* Initialization required */
#define MBA_SHUTDOWN_REQUESTED  0x8062  /* Shutdown Requested */
#define MBA_TEMPERATURE_ALERT   0x8070  /* Temperature Alert */
#define MBA_DPORT_DIAGNOSTICS   0x8080  /* D-port Diagnostics */
#define MBA_TRANS_INSERT        0x8130  /* Transceiver Insertion */
#define MBA_TRANS_REMOVE        0x8131  /* Transceiver Removal */
#define MBA_FW_INIT_FAILURE     0x8401  /* Firmware initialization failure */
#define MBA_MIRROR_LUN_CHANGE   0x8402  /* Mirror LUN State Change
                                           Notification */
#define MBA_FW_POLL_STATE       0x8600  /* Firmware in poll diagnostic state */
#define MBA_FW_RESET_FCT        0x8502  /* Firmware reset factory defaults */
#define MBA_FW_INIT_INPROGRESS  0x8500  /* Firmware boot in progress */
/* 83XX FCoE specific */
#define MBA_IDC_AEN             0x8200  /* FCoE: NIC Core state change AEN */

/* Interrupt type codes */
#define INTR_ROM_MB_SUCCESS             0x1
#define INTR_ROM_MB_FAILED              0x2
#define INTR_MB_SUCCESS                 0x10
#define INTR_MB_FAILED                  0x11
#define INTR_ASYNC_EVENT                0x12
#define INTR_RSP_QUE_UPDATE             0x13
#define INTR_RSP_QUE_UPDATE_83XX        0x14
#define INTR_ATIO_QUE_UPDATE            0x1C
#define INTR_ATIO_RSP_QUE_UPDATE        0x1D
#define INTR_ATIO_QUE_UPDATE_27XX       0x1E

/* ISP mailbox loopback echo diagnostic error code */
#define MBS_LB_RESET    0x17

/* AEN mailbox Port Diagnostics test */
#define AEN_START_DIAG_TEST             0x0     /* start the diagnostics */
#define AEN_DONE_DIAG_TEST_WITH_NOERR   0x1     /* Done with no errors */
#define AEN_DONE_DIAG_TEST_WITH_ERR     0x2     /* Done with error.*/

/*
 * Firmware options 1, 2, 3.
 */
#define FO1_AE_ON_LIPF8                 BIT_0
#define FO1_AE_ALL_LIP_RESET            BIT_1
#define FO1_CTIO_RETRY                  BIT_3
#define FO1_DISABLE_LIP_F7_SW           BIT_4
#define FO1_DISABLE_100MS_LOS_WAIT      BIT_5
#define FO1_DISABLE_GPIO6_7             BIT_6   /* LED bits */
#define FO1_AE_ON_LOOP_INIT_ERR         BIT_7
#define FO1_SET_EMPHASIS_SWING          BIT_8
#define FO1_AE_AUTO_BYPASS              BIT_9
#define FO1_ENABLE_PURE_IOCB            BIT_10
#define FO1_AE_PLOGI_RJT                BIT_11
#define FO1_ENABLE_ABORT_SEQUENCE       BIT_12
#define FO1_AE_QUEUE_FULL               BIT_13

#define FO2_ENABLE_ATIO_TYPE_3          BIT_0
#define FO2_REV_LOOPBACK                BIT_1

#define FO3_ENABLE_EMERG_IOCB           BIT_0
#define FO3_AE_RND_ERROR                BIT_1

/* 24XX additional firmware options */
#define ADD_FO_COUNT                    3
#define ADD_FO1_DISABLE_GPIO_LED_CTRL   BIT_6   /* LED bits */
#define ADD_FO1_ENABLE_PUREX_IOCB       BIT_10

#define ADD_FO2_ENABLE_SEL_CLS2         BIT_5

#define ADD_FO3_NO_ABT_ON_LINK_DOWN     BIT_14

/*
 * ISP mailbox commands
 */
#define MBC_LOAD_RAM                    1       /* Load RAM. */
#define MBC_EXECUTE_FIRMWARE            2       /* Execute firmware. */
#define MBC_LOAD_FLASH_FIRMWARE         3       /* Load flash firmware. */
#define MBC_READ_RAM_WORD               5       /* Read RAM word. */
#define MBC_MAILBOX_REGISTER_TEST       6       /* Wrap incoming mailboxes */
#define MBC_VERIFY_CHECKSUM             7       /* Verify checksum. */
#define MBC_GET_FIRMWARE_VERSION        8       /* Get firmware revision. */
#define MBC_LOAD_RISC_RAM               9       /* Load RAM command. */
#define MBC_DUMP_RISC_RAM               0xa     /* Dump RAM command. */
#define MBC_SECURE_FLASH_UPDATE         0xa     /* Secure Flash Update(28xx) */
#define MBC_LOAD_RISC_RAM_EXTENDED      0xb     /* Load RAM extended. */
#define MBC_DUMP_RISC_RAM_EXTENDED      0xc     /* Dump RAM extended. */
#define MBC_WRITE_RAM_WORD_EXTENDED     0xd     /* Write RAM word extended */
#define MBC_READ_RAM_EXTENDED           0xf     /* Read RAM extended. */
#define MBC_IOCB_COMMAND                0x12    /* Execute IOCB command. */
#define MBC_STOP_FIRMWARE               0x14    /* Stop firmware. */
#define MBC_ABORT_COMMAND               0x15    /* Abort IOCB command. */
#define MBC_ABORT_DEVICE                0x16    /* Abort device (ID/LUN). */
#define MBC_ABORT_TARGET                0x17    /* Abort target (ID). */
#define MBC_RESET                       0x18    /* Reset. */
#define MBC_GET_ADAPTER_LOOP_ID         0x20    /* Get loop id of ISP2200. */
#define MBC_GET_SET_ZIO_THRESHOLD       0x21    /* Get/SET ZIO THRESHOLD. */
#define MBC_GET_RETRY_COUNT             0x22    /* Get f/w retry cnt/delay. */
#define MBC_DISABLE_VI                  0x24    /* Disable VI operation. */
#define MBC_ENABLE_VI                   0x25    /* Enable VI operation. */
#define MBC_GET_FIRMWARE_OPTION         0x28    /* Get Firmware Options. */
#define MBC_GET_MEM_OFFLOAD_CNTRL_STAT  0x34    /* Memory Offload ctrl/Stat*/
#define MBC_SET_FIRMWARE_OPTION         0x38    /* Set Firmware Options. */
#define MBC_SET_GET_FC_LED_CONFIG       0x3b    /* Set/Get FC LED config */
#define MBC_LOOP_PORT_BYPASS            0x40    /* Loop Port Bypass. */
#define MBC_LOOP_PORT_ENABLE            0x41    /* Loop Port Enable. */
#define MBC_GET_RESOURCE_COUNTS         0x42    /* Get Resource Counts. */
#define MBC_NON_PARTICIPATE             0x43    /* Non-Participating Mode. */
#define MBC_DIAGNOSTIC_ECHO             0x44    /* Diagnostic echo. */
#define MBC_DIAGNOSTIC_LOOP_BACK        0x45    /* Diagnostic loop back. */
#define MBC_ONLINE_SELF_TEST            0x46    /* Online self-test. */
#define MBC_ENHANCED_GET_PORT_DATABASE  0x47    /* Get port database + login */
#define MBC_CONFIGURE_VF                0x4b    /* Configure VFs */
#define MBC_RESET_LINK_STATUS           0x52    /* Reset Link Error Status */
#define MBC_IOCB_COMMAND_A64            0x54    /* Execute IOCB command (64) */
#define MBC_PORT_LOGOUT                 0x56    /* Port Logout request */
#define MBC_SEND_RNID_ELS               0x57    /* Send RNID ELS request */
#define MBC_SET_RNID_PARAMS             0x59    /* Set RNID parameters */
#define MBC_GET_RNID_PARAMS             0x5a    /* Get RNID parameters */
#define MBC_DATA_RATE                   0x5d    /* Data Rate */
#define MBC_INITIALIZE_FIRMWARE         0x60    /* Initialize firmware */
#define MBC_INITIATE_LIP                0x62    /* Initiate Loop */
                                                /* Initialization Procedure */
#define MBC_GET_FC_AL_POSITION_MAP      0x63    /* Get FC_AL Position Map. */
#define MBC_GET_PORT_DATABASE           0x64    /* Get Port Database. */
#define MBC_CLEAR_ACA                   0x65    /* Clear ACA. */
#define MBC_TARGET_RESET                0x66    /* Target Reset. */
#define MBC_CLEAR_TASK_SET              0x67    /* Clear Task Set. */
#define MBC_ABORT_TASK_SET              0x68    /* Abort Task Set. */
#define MBC_GET_FIRMWARE_STATE          0x69    /* Get firmware state. */
#define MBC_GET_PORT_NAME               0x6a    /* Get port name. */
#define MBC_GET_LINK_STATUS             0x6b    /* Get port link status. */
#define MBC_LIP_RESET                   0x6c    /* LIP reset. */
#define MBC_SEND_SNS_COMMAND            0x6e    /* Send Simple Name Server */
                                                /* commandd. */
#define MBC_LOGIN_FABRIC_PORT           0x6f    /* Login fabric port. */
#define MBC_SEND_CHANGE_REQUEST         0x70    /* Send Change Request. */
#define MBC_LOGOUT_FABRIC_PORT          0x71    /* Logout fabric port. */
#define MBC_LIP_FULL_LOGIN              0x72    /* Full login LIP. */
#define MBC_LOGIN_LOOP_PORT             0x74    /* Login Loop Port. */
#define MBC_PORT_NODE_NAME_LIST         0x75    /* Get port/node name list. */
#define MBC_INITIALIZE_RECEIVE_QUEUE    0x77    /* Initialize receive queue */
#define MBC_UNLOAD_IP                   0x79    /* Shutdown IP */
#define MBC_GET_ID_LIST                 0x7C    /* Get Port ID list. */
#define MBC_SEND_LFA_COMMAND            0x7D    /* Send Loop Fabric Address */
#define MBC_LUN_RESET                   0x7E    /* Send LUN reset */

/*
 * all the Mt. Rainier mailbox command codes that clash with FC/FCoE ones
 * should be defined with MBC_MR_*
 */
#define MBC_MR_DRV_SHUTDOWN             0x6A

/*
 * ISP24xx mailbox commands
 */
#define MBC_WRITE_SERDES                0x3     /* Write serdes word. */
#define MBC_READ_SERDES                 0x4     /* Read serdes word. */
#define MBC_LOAD_DUMP_MPI_RAM           0x5     /* Load/Dump MPI RAM. */
#define MBC_SERDES_PARAMS               0x10    /* Serdes Tx Parameters. */
#define MBC_GET_IOCB_STATUS             0x12    /* Get IOCB status command. */
#define MBC_PORT_PARAMS                 0x1A    /* Port iDMA Parameters. */
#define MBC_GET_TIMEOUT_PARAMS          0x22    /* Get FW timeouts. */
#define MBC_TRACE_CONTROL               0x27    /* Trace control command. */
#define MBC_GEN_SYSTEM_ERROR            0x2a    /* Generate System Error. */
#define MBC_WRITE_SFP                   0x30    /* Write SFP Data. */
#define MBC_READ_SFP                    0x31    /* Read SFP Data. */
#define MBC_SET_TIMEOUT_PARAMS          0x32    /* Set FW timeouts. */
#define MBC_DPORT_DIAGNOSTICS           0x47    /* D-Port Diagnostics */
#define MBC_MID_INITIALIZE_FIRMWARE     0x48    /* MID Initialize firmware. */
#define MBC_MID_GET_VP_DATABASE         0x49    /* MID Get VP Database. */
#define MBC_MID_GET_VP_ENTRY            0x4a    /* MID Get VP Entry. */
#define MBC_HOST_MEMORY_COPY            0x53    /* Host Memory Copy. */
#define MBC_SEND_RNFT_ELS               0x5e    /* Send RNFT ELS request */
#define MBC_GET_LINK_PRIV_STATS         0x6d    /* Get link & private data. */
#define MBC_LINK_INITIALIZATION         0x72    /* Do link initialization. */
#define MBC_SET_VENDOR_ID               0x76    /* Set Vendor ID. */
#define MBC_PORT_RESET                  0x120   /* Port Reset */
#define MBC_SET_PORT_CONFIG             0x122   /* Set port configuration */
#define MBC_GET_PORT_CONFIG             0x123   /* Get port configuration */

/*
 * ISP81xx mailbox commands
 */
#define MBC_WRITE_MPI_REGISTER          0x01    /* Write MPI Register. */

/*
 * ISP8044 mailbox commands
 */
#define MBC_SET_GET_ETH_SERDES_REG      0x150
#define HCS_WRITE_SERDES                0x3
#define HCS_READ_SERDES                 0x4

/*
 * ISP2[7|8]xx mailbox commands.
 */
#define MBC_MPI_PASSTHROUGH            0x200

/* MBC_MPI_PASSTHROUGH */
#define MPIPT_REQ_V1 1
enum {
       MPIPT_SUBCMD_GET_SUP_CMD = 0x10,
       MPIPT_SUBCMD_GET_SUP_FEATURE,
       MPIPT_SUBCMD_GET_STATUS,
       MPIPT_SUBCMD_VALIDATE_FW,
};

enum {
       MPIPT_MPI_STATUS = 1,
       MPIPT_FCORE_STATUS,
       MPIPT_LOCKDOWN_STATUS,
};

/* Firmware return data sizes */
#define FCAL_MAP_SIZE   128

/* Mailbox bit definitions for out_mb and in_mb */
#define MBX_31          BIT_31
#define MBX_30          BIT_30
#define MBX_29          BIT_29
#define MBX_28          BIT_28
#define MBX_27          BIT_27
#define MBX_26          BIT_26
#define MBX_25          BIT_25
#define MBX_24          BIT_24
#define MBX_23          BIT_23
#define MBX_22          BIT_22
#define MBX_21          BIT_21
#define MBX_20          BIT_20
#define MBX_19          BIT_19
#define MBX_18          BIT_18
#define MBX_17          BIT_17
#define MBX_16          BIT_16
#define MBX_15          BIT_15
#define MBX_14          BIT_14
#define MBX_13          BIT_13
#define MBX_12          BIT_12
#define MBX_11          BIT_11
#define MBX_10          BIT_10
#define MBX_9           BIT_9
#define MBX_8           BIT_8
#define MBX_7           BIT_7
#define MBX_6           BIT_6
#define MBX_5           BIT_5
#define MBX_4           BIT_4
#define MBX_3           BIT_3
#define MBX_2           BIT_2
#define MBX_1           BIT_1
#define MBX_0           BIT_0

#define RNID_TYPE_ELS_CMD       0x5
#define RNID_TYPE_PORT_LOGIN    0x7
#define RNID_BUFFER_CREDITS     0x8
#define RNID_TYPE_SET_VERSION   0x9
#define RNID_TYPE_ASIC_TEMP     0xC

#define ELS_CMD_MAP_SIZE        32

/*
 * Firmware state codes from get firmware state mailbox command
 */
#define FSTATE_CONFIG_WAIT      0
#define FSTATE_WAIT_AL_PA       1
#define FSTATE_WAIT_LOGIN       2
#define FSTATE_READY            3
#define FSTATE_LOSS_OF_SYNC     4
#define FSTATE_ERROR            5
#define FSTATE_REINIT           6
#define FSTATE_NON_PART         7

#define FSTATE_CONFIG_CORRECT      0
#define FSTATE_P2P_RCV_LIP         1
#define FSTATE_P2P_CHOOSE_LOOP     2
#define FSTATE_P2P_RCV_UNIDEN_LIP  3
#define FSTATE_FATAL_ERROR         4
#define FSTATE_LOOP_BACK_CONN      5

#define QLA27XX_IMG_STATUS_VER_MAJOR   0x01
#define QLA27XX_IMG_STATUS_VER_MINOR    0x00
#define QLA27XX_IMG_STATUS_SIGN   0xFACEFADE
#define QLA28XX_IMG_STATUS_SIGN    0xFACEFADF
#define QLA28XX_IMG_STATUS_SIGN         0xFACEFADF
#define QLA28XX_AUX_IMG_STATUS_SIGN     0xFACEFAED
#define QLA27XX_DEFAULT_IMAGE           0
#define QLA27XX_PRIMARY_IMAGE  1
#define QLA27XX_SECONDARY_IMAGE    2

/*
 * Port Database structure definition
 * Little endian except where noted.
 */
#define PORT_DATABASE_SIZE      128     /* bytes */
typedef struct {
        uint8_t options;
        uint8_t control;
        uint8_t master_state;
        uint8_t slave_state;
        uint8_t reserved[2];
        uint8_t hard_address;
        uint8_t reserved_1;
        uint8_t port_id[4];
        uint8_t node_name[WWN_SIZE];
        uint8_t port_name[WWN_SIZE];
        __le16  execution_throttle;
        uint16_t execution_count;
        uint8_t reset_count;
        uint8_t reserved_2;
        uint16_t resource_allocation;
        uint16_t current_allocation;
        uint16_t queue_head;
        uint16_t queue_tail;
        uint16_t transmit_execution_list_next;
        uint16_t transmit_execution_list_previous;
        uint16_t common_features;
        uint16_t total_concurrent_sequences;
        uint16_t RO_by_information_category;
        uint8_t recipient;
        uint8_t initiator;
        uint16_t receive_data_size;
        uint16_t concurrent_sequences;
        uint16_t open_sequences_per_exchange;
        uint16_t lun_abort_flags;
        uint16_t lun_stop_flags;
        uint16_t stop_queue_head;
        uint16_t stop_queue_tail;
        uint16_t port_retry_timer;
        uint16_t next_sequence_id;
        uint16_t frame_count;
        uint16_t PRLI_payload_length;
        uint8_t prli_svc_param_word_0[2];       /* Big endian */
                                                /* Bits 15-0 of word 0 */
        uint8_t prli_svc_param_word_3[2];       /* Big endian */
                                                /* Bits 15-0 of word 3 */
        uint16_t loop_id;
        uint16_t extended_lun_info_list_pointer;
        uint16_t extended_lun_stop_list_pointer;
} port_database_t;

/*
 * Port database slave/master states
 */
#define PD_STATE_DISCOVERY                      0
#define PD_STATE_WAIT_DISCOVERY_ACK             1
#define PD_STATE_PORT_LOGIN                     2
#define PD_STATE_WAIT_PORT_LOGIN_ACK            3
#define PD_STATE_PROCESS_LOGIN                  4
#define PD_STATE_WAIT_PROCESS_LOGIN_ACK         5
#define PD_STATE_PORT_LOGGED_IN                 6
#define PD_STATE_PORT_UNAVAILABLE               7
#define PD_STATE_PROCESS_LOGOUT                 8
#define PD_STATE_WAIT_PROCESS_LOGOUT_ACK        9
#define PD_STATE_PORT_LOGOUT                    10
#define PD_STATE_WAIT_PORT_LOGOUT_ACK           11


#define QLA_ZIO_MODE_6          (BIT_2 | BIT_1)
#define QLA_ZIO_DISABLED        0
#define QLA_ZIO_DEFAULT_TIMER   2

/*
 * ISP Initialization Control Block.
 * Little endian except where noted.
 */
#define ICB_VERSION 1
typedef struct {
        uint8_t  version;
        uint8_t  reserved_1;

        /*
         * LSB BIT 0  = Enable Hard Loop Id
         * LSB BIT 1  = Enable Fairness
         * LSB BIT 2  = Enable Full-Duplex
         * LSB BIT 3  = Enable Fast Posting
         * LSB BIT 4  = Enable Target Mode
         * LSB BIT 5  = Disable Initiator Mode
         * LSB BIT 6  = Enable ADISC
         * LSB BIT 7  = Enable Target Inquiry Data
         *
         * MSB BIT 0  = Enable PDBC Notify
         * MSB BIT 1  = Non Participating LIP
         * MSB BIT 2  = Descending Loop ID Search
         * MSB BIT 3  = Acquire Loop ID in LIPA
         * MSB BIT 4  = Stop PortQ on Full Status
         * MSB BIT 5  = Full Login after LIP
         * MSB BIT 6  = Node Name Option
         * MSB BIT 7  = Ext IFWCB enable bit
         */
        uint8_t  firmware_options[2];

        __le16  frame_payload_size;
        __le16  max_iocb_allocation;
        __le16  execution_throttle;
        uint8_t  retry_count;
        uint8_t  retry_delay;                   /* unused */
        uint8_t  port_name[WWN_SIZE];           /* Big endian. */
        uint16_t hard_address;
        uint8_t  inquiry_data;
        uint8_t  login_timeout;
        uint8_t  node_name[WWN_SIZE];           /* Big endian. */

        __le16  request_q_outpointer;
        __le16  response_q_inpointer;
        __le16  request_q_length;
        __le16  response_q_length;
        __le64  request_q_address __packed;
        __le64  response_q_address __packed;

        __le16  lun_enables;
        uint8_t  command_resource_count;
        uint8_t  immediate_notify_resource_count;
        __le16  timeout;
        uint8_t  reserved_2[2];

        /*
         * LSB BIT 0 = Timer Operation mode bit 0
         * LSB BIT 1 = Timer Operation mode bit 1
         * LSB BIT 2 = Timer Operation mode bit 2
         * LSB BIT 3 = Timer Operation mode bit 3
         * LSB BIT 4 = Init Config Mode bit 0
         * LSB BIT 5 = Init Config Mode bit 1
         * LSB BIT 6 = Init Config Mode bit 2
         * LSB BIT 7 = Enable Non part on LIHA failure
         *
         * MSB BIT 0 = Enable class 2
         * MSB BIT 1 = Enable ACK0
         * MSB BIT 2 =
         * MSB BIT 3 =
         * MSB BIT 4 = FC Tape Enable
         * MSB BIT 5 = Enable FC Confirm
         * MSB BIT 6 = Enable command queuing in target mode
         * MSB BIT 7 = No Logo On Link Down
         */
        uint8_t  add_firmware_options[2];

        uint8_t  response_accumulation_timer;
        uint8_t  interrupt_delay_timer;

        /*
         * LSB BIT 0 = Enable Read xfr_rdy
         * LSB BIT 1 = Soft ID only
         * LSB BIT 2 =
         * LSB BIT 3 =
         * LSB BIT 4 = FCP RSP Payload [0]
         * LSB BIT 5 = FCP RSP Payload [1] / Sbus enable - 2200
         * LSB BIT 6 = Enable Out-of-Order frame handling
         * LSB BIT 7 = Disable Automatic PLOGI on Local Loop
         *
         * MSB BIT 0 = Sbus enable - 2300
         * MSB BIT 1 =
         * MSB BIT 2 =
         * MSB BIT 3 =
         * MSB BIT 4 = LED mode
         * MSB BIT 5 = enable 50 ohm termination
         * MSB BIT 6 = Data Rate (2300 only)
         * MSB BIT 7 = Data Rate (2300 only)
         */
        uint8_t  special_options[2];

        uint8_t  reserved_3[26];
} init_cb_t;

/* Special Features Control Block */
struct init_sf_cb {
        uint8_t format;
        uint8_t reserved0;
        /*
         * BIT 15-14 = Reserved
         * BIT_13 = SAN Congestion Management (1 - Enabled, 0 - Disabled)
         * BIT_12 = Remote Write Optimization (1 - Enabled, 0 - Disabled)
         * BIT 11-0 = Reserved
         */
        __le16  flags;
        uint8_t reserved1[32];
        uint16_t discard_OHRB_timeout_value;
        uint16_t remote_write_opt_queue_num;
        uint8_t reserved2[40];
        uint8_t scm_related_parameter[16];
        uint8_t reserved3[32];
};

/*
 * Get Link Status mailbox command return buffer.
 */
#define GLSO_SEND_RPS   BIT_0
#define GLSO_USE_DID    BIT_3

struct link_statistics {
        __le32 link_fail_cnt;
        __le32 loss_sync_cnt;
        __le32 loss_sig_cnt;
        __le32 prim_seq_err_cnt;
        __le32 inval_xmit_word_cnt;
        __le32 inval_crc_cnt;
        __le32 lip_cnt;
        __le32 link_up_cnt;
        __le32 link_down_loop_init_tmo;
        __le32 link_down_los;
        __le32 link_down_loss_rcv_clk;
        uint32_t reserved0[5];
        __le32 port_cfg_chg;
        uint32_t reserved1[11];
        __le32 rsp_q_full;
        __le32 atio_q_full;
        __le32 drop_ae;
        __le32 els_proto_err;
        __le32 reserved2;
        __le32 tx_frames;
        __le32 rx_frames;
        __le32 discarded_frames;
        __le32 dropped_frames;
        uint32_t reserved3;
        __le32 nos_rcvd;
        uint32_t reserved4[4];
        __le32 tx_prjt;
        __le32 rcv_exfail;
        __le32 rcv_abts;
        __le32 seq_frm_miss;
        __le32 corr_err;
        __le32 mb_rqst;
        __le32 nport_full;
        __le32 eofa;
        uint32_t reserved5;
        __le64 fpm_recv_word_cnt;
        __le64 fpm_disc_word_cnt;
        __le64 fpm_xmit_word_cnt;
        uint32_t reserved6[70];
};

/*
 * NVRAM Command values.
 */
#define NV_START_BIT            BIT_2
#define NV_WRITE_OP             (BIT_26+BIT_24)
#define NV_READ_OP              (BIT_26+BIT_25)
#define NV_ERASE_OP             (BIT_26+BIT_25+BIT_24)
#define NV_MASK_OP              (BIT_26+BIT_25+BIT_24)
#define NV_DELAY_COUNT          10

/*
 * QLogic ISP2100, ISP2200 and ISP2300 NVRAM structure definition.
 */
typedef struct {
        /*
         * NVRAM header
         */
        uint8_t id[4];
        uint8_t nvram_version;
        uint8_t reserved_0;

        /*
         * NVRAM RISC parameter block
         */
        uint8_t parameter_block_version;
        uint8_t reserved_1;

        /*
         * LSB BIT 0  = Enable Hard Loop Id
         * LSB BIT 1  = Enable Fairness
         * LSB BIT 2  = Enable Full-Duplex
         * LSB BIT 3  = Enable Fast Posting
         * LSB BIT 4  = Enable Target Mode
         * LSB BIT 5  = Disable Initiator Mode
         * LSB BIT 6  = Enable ADISC
         * LSB BIT 7  = Enable Target Inquiry Data
         *
         * MSB BIT 0  = Enable PDBC Notify
         * MSB BIT 1  = Non Participating LIP
         * MSB BIT 2  = Descending Loop ID Search
         * MSB BIT 3  = Acquire Loop ID in LIPA
         * MSB BIT 4  = Stop PortQ on Full Status
         * MSB BIT 5  = Full Login after LIP
         * MSB BIT 6  = Node Name Option
         * MSB BIT 7  = Ext IFWCB enable bit
         */
        uint8_t  firmware_options[2];

        __le16  frame_payload_size;
        __le16  max_iocb_allocation;
        __le16  execution_throttle;
        uint8_t  retry_count;
        uint8_t  retry_delay;                   /* unused */
        uint8_t  port_name[WWN_SIZE];           /* Big endian. */
        uint16_t hard_address;
        uint8_t  inquiry_data;
        uint8_t  login_timeout;
        uint8_t  node_name[WWN_SIZE];           /* Big endian. */

        /*
         * LSB BIT 0 = Timer Operation mode bit 0
         * LSB BIT 1 = Timer Operation mode bit 1
         * LSB BIT 2 = Timer Operation mode bit 2
         * LSB BIT 3 = Timer Operation mode bit 3
         * LSB BIT 4 = Init Config Mode bit 0
         * LSB BIT 5 = Init Config Mode bit 1
         * LSB BIT 6 = Init Config Mode bit 2
         * LSB BIT 7 = Enable Non part on LIHA failure
         *
         * MSB BIT 0 = Enable class 2
         * MSB BIT 1 = Enable ACK0
         * MSB BIT 2 =
         * MSB BIT 3 =
         * MSB BIT 4 = FC Tape Enable
         * MSB BIT 5 = Enable FC Confirm
         * MSB BIT 6 = Enable command queuing in target mode
         * MSB BIT 7 = No Logo On Link Down
         */
        uint8_t  add_firmware_options[2];

        uint8_t  response_accumulation_timer;
        uint8_t  interrupt_delay_timer;

        /*
         * LSB BIT 0 = Enable Read xfr_rdy
         * LSB BIT 1 = Soft ID only
         * LSB BIT 2 =
         * LSB BIT 3 =
         * LSB BIT 4 = FCP RSP Payload [0]
         * LSB BIT 5 = FCP RSP Payload [1] / Sbus enable - 2200
         * LSB BIT 6 = Enable Out-of-Order frame handling
         * LSB BIT 7 = Disable Automatic PLOGI on Local Loop
         *
         * MSB BIT 0 = Sbus enable - 2300
         * MSB BIT 1 =
         * MSB BIT 2 =
         * MSB BIT 3 =
         * MSB BIT 4 = LED mode
         * MSB BIT 5 = enable 50 ohm termination
         * MSB BIT 6 = Data Rate (2300 only)
         * MSB BIT 7 = Data Rate (2300 only)
         */
        uint8_t  special_options[2];

        /* Reserved for expanded RISC parameter block */
        uint8_t reserved_2[22];

        /*
         * LSB BIT 0 = Tx Sensitivity 1G bit 0
         * LSB BIT 1 = Tx Sensitivity 1G bit 1
         * LSB BIT 2 = Tx Sensitivity 1G bit 2
         * LSB BIT 3 = Tx Sensitivity 1G bit 3
         * LSB BIT 4 = Rx Sensitivity 1G bit 0
         * LSB BIT 5 = Rx Sensitivity 1G bit 1
         * LSB BIT 6 = Rx Sensitivity 1G bit 2
         * LSB BIT 7 = Rx Sensitivity 1G bit 3
         *
         * MSB BIT 0 = Tx Sensitivity 2G bit 0
         * MSB BIT 1 = Tx Sensitivity 2G bit 1
         * MSB BIT 2 = Tx Sensitivity 2G bit 2
         * MSB BIT 3 = Tx Sensitivity 2G bit 3
         * MSB BIT 4 = Rx Sensitivity 2G bit 0
         * MSB BIT 5 = Rx Sensitivity 2G bit 1
         * MSB BIT 6 = Rx Sensitivity 2G bit 2
         * MSB BIT 7 = Rx Sensitivity 2G bit 3
         *
         * LSB BIT 0 = Output Swing 1G bit 0
         * LSB BIT 1 = Output Swing 1G bit 1
         * LSB BIT 2 = Output Swing 1G bit 2
         * LSB BIT 3 = Output Emphasis 1G bit 0
         * LSB BIT 4 = Output Emphasis 1G bit 1
         * LSB BIT 5 = Output Swing 2G bit 0
         * LSB BIT 6 = Output Swing 2G bit 1
         * LSB BIT 7 = Output Swing 2G bit 2
         *
         * MSB BIT 0 = Output Emphasis 2G bit 0
         * MSB BIT 1 = Output Emphasis 2G bit 1
         * MSB BIT 2 = Output Enable
         * MSB BIT 3 =
         * MSB BIT 4 =
         * MSB BIT 5 =
         * MSB BIT 6 =
         * MSB BIT 7 =
         */
        uint8_t seriallink_options[4];

        /*
         * NVRAM host parameter block
         *
         * LSB BIT 0 = Enable spinup delay
         * LSB BIT 1 = Disable BIOS
         * LSB BIT 2 = Enable Memory Map BIOS
         * LSB BIT 3 = Enable Selectable Boot
         * LSB BIT 4 = Disable RISC code load
         * LSB BIT 5 = Set cache line size 1
         * LSB BIT 6 = PCI Parity Disable
         * LSB BIT 7 = Enable extended logging
         *
         * MSB BIT 0 = Enable 64bit addressing
         * MSB BIT 1 = Enable lip reset
         * MSB BIT 2 = Enable lip full login
         * MSB BIT 3 = Enable target reset
         * MSB BIT 4 = Enable database storage
         * MSB BIT 5 = Enable cache flush read
         * MSB BIT 6 = Enable database load
         * MSB BIT 7 = Enable alternate WWN
         */
        uint8_t host_p[2];

        uint8_t boot_node_name[WWN_SIZE];
        uint8_t boot_lun_number;
        uint8_t reset_delay;
        uint8_t port_down_retry_count;
        uint8_t boot_id_number;
        __le16  max_luns_per_target;
        uint8_t fcode_boot_port_name[WWN_SIZE];
        uint8_t alternate_port_name[WWN_SIZE];
        uint8_t alternate_node_name[WWN_SIZE];

        /*
         * BIT 0 = Selective Login
         * BIT 1 = Alt-Boot Enable
         * BIT 2 =
         * BIT 3 = Boot Order List
         * BIT 4 =
         * BIT 5 = Selective LUN
         * BIT 6 =
         * BIT 7 = unused
         */
        uint8_t efi_parameters;

        uint8_t link_down_timeout;

        uint8_t adapter_id[16];

        uint8_t alt1_boot_node_name[WWN_SIZE];
        uint16_t alt1_boot_lun_number;
        uint8_t alt2_boot_node_name[WWN_SIZE];
        uint16_t alt2_boot_lun_number;
        uint8_t alt3_boot_node_name[WWN_SIZE];
        uint16_t alt3_boot_lun_number;
        uint8_t alt4_boot_node_name[WWN_SIZE];
        uint16_t alt4_boot_lun_number;
        uint8_t alt5_boot_node_name[WWN_SIZE];
        uint16_t alt5_boot_lun_number;
        uint8_t alt6_boot_node_name[WWN_SIZE];
        uint16_t alt6_boot_lun_number;
        uint8_t alt7_boot_node_name[WWN_SIZE];
        uint16_t alt7_boot_lun_number;

        uint8_t reserved_3[2];

        /* Offset 200-215 : Model Number */
        uint8_t model_number[16];

        /* OEM related items */
        uint8_t oem_specific[16];

        /*
         * NVRAM Adapter Features offset 232-239
         *
         * LSB BIT 0 = External GBIC
         * LSB BIT 1 = Risc RAM parity
         * LSB BIT 2 = Buffer Plus Module
         * LSB BIT 3 = Multi Chip Adapter
         * LSB BIT 4 = Internal connector
         * LSB BIT 5 =
         * LSB BIT 6 =
         * LSB BIT 7 =
         *
         * MSB BIT 0 =
         * MSB BIT 1 =
         * MSB BIT 2 =
         * MSB BIT 3 =
         * MSB BIT 4 =
         * MSB BIT 5 =
         * MSB BIT 6 =
         * MSB BIT 7 =
         */
        uint8_t adapter_features[2];

        uint8_t reserved_4[16];

        /* Subsystem vendor ID for ISP2200 */
        uint16_t subsystem_vendor_id_2200;

        /* Subsystem device ID for ISP2200 */
        uint16_t subsystem_device_id_2200;

        uint8_t  reserved_5;
        uint8_t  checksum;
} nvram_t;

/*
 * ISP queue - response queue entry definition.
 */
typedef struct {
        uint8_t         entry_type;             /* Entry type. */
        uint8_t         entry_count;            /* Entry count. */
        uint8_t         sys_define;             /* System defined. */
        uint8_t         entry_status;           /* Entry Status. */
        uint32_t        handle;                 /* System defined handle */
        uint8_t         data[52];
        uint32_t        signature;
#define RESPONSE_PROCESSED      0xDEADDEAD      /* Signature */
} response_t;

/*
 * ISP queue - ATIO queue entry definition.
 */
struct atio {
        uint8_t         entry_type;             /* Entry type. */
        uint8_t         entry_count;            /* Entry count. */
        __le16          attr_n_length;
        uint8_t         data[56];
        uint32_t        signature;
#define ATIO_PROCESSED 0xDEADDEAD               /* Signature */
};

typedef union {
        __le16  extended;
        struct {
                uint8_t reserved;
                uint8_t standard;
        } id;
} target_id_t;

#define SET_TARGET_ID(ha, to, from)                     \
do {                                                    \
        if (HAS_EXTENDED_IDS(ha))                       \
                to.extended = cpu_to_le16(from);        \
        else                                            \
                to.id.standard = (uint8_t)from;         \
} while (0)

/*
 * ISP queue - command entry structure definition.
 */
#define COMMAND_TYPE    0x11            /* Command entry */
typedef struct {
        uint8_t entry_type;             /* Entry type. */
        uint8_t entry_count;            /* Entry count. */
        uint8_t sys_define;             /* System defined. */
        uint8_t entry_status;           /* Entry Status. */
        uint32_t handle;                /* System handle. */
        target_id_t target;             /* SCSI ID */
        __le16  lun;                    /* SCSI LUN */
        __le16  control_flags;          /* Control flags. */
#define CF_WRITE        BIT_6
#define CF_READ         BIT_5
#define CF_SIMPLE_TAG   BIT_3
#define CF_ORDERED_TAG  BIT_2
#define CF_HEAD_TAG     BIT_1
        uint16_t reserved_1;
        __le16  timeout;                /* Command timeout. */
        __le16  dseg_count;             /* Data segment count. */
        uint8_t scsi_cdb[MAX_CMDSZ];    /* SCSI command words. */
        __le32  byte_count;             /* Total byte count. */
        union {
                struct dsd32 dsd32[3];
                struct dsd64 dsd64[2];
        };
} cmd_entry_t;

/*
 * ISP queue - 64-Bit addressing, command entry structure definition.
 */
#define COMMAND_A64_TYPE        0x19    /* Command A64 entry */
typedef struct {
        uint8_t entry_type;             /* Entry type. */
        uint8_t entry_count;            /* Entry count. */
        uint8_t sys_define;             /* System defined. */
        uint8_t entry_status;           /* Entry Status. */
        uint32_t handle;                /* System handle. */
        target_id_t target;             /* SCSI ID */
        __le16  lun;                    /* SCSI LUN */
        __le16  control_flags;          /* Control flags. */
        uint16_t reserved_1;
        __le16  timeout;                /* Command timeout. */
        __le16  dseg_count;             /* Data segment count. */
        uint8_t scsi_cdb[MAX_CMDSZ];    /* SCSI command words. */
        uint32_t byte_count;            /* Total byte count. */
        struct dsd64 dsd[2];
} cmd_a64_entry_t, request_t;

/*
 * ISP queue - continuation entry structure definition.
 */
#define CONTINUE_TYPE           0x02    /* Continuation entry. */
typedef struct {
        uint8_t entry_type;             /* Entry type. */
        uint8_t entry_count;            /* Entry count. */
        uint8_t sys_define;             /* System defined. */
        uint8_t entry_status;           /* Entry Status. */
        uint32_t reserved;
        struct dsd32 dsd[7];
} cont_entry_t;

/*
 * ISP queue - 64-Bit addressing, continuation entry structure definition.
 */
#define CONTINUE_A64_TYPE       0x0A    /* Continuation A64 entry. */
typedef struct {
        uint8_t entry_type;             /* Entry type. */
        uint8_t entry_count;            /* Entry count. */
        uint8_t sys_define;             /* System defined. */
        uint8_t entry_status;           /* Entry Status. */
        struct dsd64 dsd[5];
} cont_a64_entry_t;

#define PO_MODE_DIF_INSERT      0
#define PO_MODE_DIF_REMOVE      1
#define PO_MODE_DIF_PASS        2
#define PO_MODE_DIF_REPLACE     3
#define PO_MODE_DIF_TCP_CKSUM   6
#define PO_ENABLE_INCR_GUARD_SEED       BIT_3
#define PO_DISABLE_GUARD_CHECK  BIT_4
#define PO_DISABLE_INCR_REF_TAG BIT_5
#define PO_DIS_HEADER_MODE      BIT_7
#define PO_ENABLE_DIF_BUNDLING  BIT_8
#define PO_DIS_FRAME_MODE       BIT_9
#define PO_DIS_VALD_APP_ESC     BIT_10 /* Dis validation for escape tag/ffffh */
#define PO_DIS_VALD_APP_REF_ESC BIT_11

#define PO_DIS_APP_TAG_REPL     BIT_12 /* disable REG Tag replacement */
#define PO_DIS_REF_TAG_REPL     BIT_13
#define PO_DIS_APP_TAG_VALD     BIT_14 /* disable REF Tag validation */
#define PO_DIS_REF_TAG_VALD     BIT_15

/*
 * ISP queue - 64-Bit addressing, continuation crc entry structure definition.
 */
struct crc_context {
        uint32_t handle;                /* System handle. */
        __le32 ref_tag;
        __le16 app_tag;
        uint8_t ref_tag_mask[4];        /* Validation/Replacement Mask*/
        uint8_t app_tag_mask[2];        /* Validation/Replacement Mask*/
        __le16 guard_seed;              /* Initial Guard Seed */
        __le16 prot_opts;               /* Requested Data Protection Mode */
        __le16 blk_size;                /* Data size in bytes */
        __le16  runt_blk_guard; /* Guard value for runt block (tape
                                         * only) */
        __le32 byte_count;              /* Total byte count/ total data
                                         * transfer count */
        union {
                struct {
                        uint32_t        reserved_1;
                        uint16_t        reserved_2;
                        uint16_t        reserved_3;
                        uint32_t        reserved_4;
                        struct dsd64    data_dsd[1];
                        uint32_t        reserved_5[2];
                        uint32_t        reserved_6;
                } nobundling;
                struct {
                        __le32  dif_byte_count; /* Total DIF byte
                                                         * count */
                        uint16_t        reserved_1;
                        __le16  dseg_count;     /* Data segment count */
                        uint32_t        reserved_2;
                        struct dsd64    data_dsd[1];
                        struct dsd64    dif_dsd;
                } bundling;
        } u;

        struct fcp_cmnd fcp_cmnd;
        dma_addr_t      crc_ctx_dma;
        /* List of DMA context transfers */
        struct list_head dsd_list;

        /* List of DIF Bundling context DMA address */
        struct list_head ldif_dsd_list;
        u8 no_ldif_dsd;

        struct list_head ldif_dma_hndl_list;
        u32 dif_bundl_len;
        u8 no_dif_bundl;
        /* This structure should not exceed 512 bytes */
};

#define CRC_CONTEXT_LEN_FW      (offsetof(struct crc_context, fcp_cmnd.lun))
#define CRC_CONTEXT_FCPCMND_OFF (offsetof(struct crc_context, fcp_cmnd.lun))

/*
 * ISP queue - status entry structure definition.
 */
#define STATUS_TYPE     0x03            /* Status entry. */
typedef struct {
        uint8_t entry_type;             /* Entry type. */
        uint8_t entry_count;            /* Entry count. */
        uint8_t sys_define;             /* System defined. */
        uint8_t entry_status;           /* Entry Status. */
        uint32_t handle;                /* System handle. */
        __le16  scsi_status;            /* SCSI status. */
        __le16  comp_status;            /* Completion status. */
        __le16  state_flags;            /* State flags. */
        __le16  status_flags;           /* Status flags. */
        __le16  rsp_info_len;           /* Response Info Length. */
        __le16  req_sense_length;       /* Request sense data length. */
        __le32  residual_length;        /* Residual transfer length. */
        uint8_t rsp_info[8];            /* FCP response information. */
        uint8_t req_sense_data[32];     /* Request sense data. */
} sts_entry_t;

/*
 * Status entry entry status
 */
#define RF_RQ_DMA_ERROR BIT_6           /* Request Queue DMA error. */
#define RF_INV_E_ORDER  BIT_5           /* Invalid entry order. */
#define RF_INV_E_COUNT  BIT_4           /* Invalid entry count. */
#define RF_INV_E_PARAM  BIT_3           /* Invalid entry parameter. */
#define RF_INV_E_TYPE   BIT_2           /* Invalid entry type. */
#define RF_BUSY         BIT_1           /* Busy */
#define RF_MASK         (RF_RQ_DMA_ERROR | RF_INV_E_ORDER | RF_INV_E_COUNT | \
                         RF_INV_E_PARAM | RF_INV_E_TYPE | RF_BUSY)
#define RF_MASK_24XX    (RF_INV_E_ORDER | RF_INV_E_COUNT | RF_INV_E_PARAM | \
                         RF_INV_E_TYPE)

/*
 * Status entry SCSI status bit definitions.
 */
#define SS_MASK                         0xfff   /* Reserved bits BIT_12-BIT_15*/
#define SS_RESIDUAL_UNDER               BIT_11
#define SS_RESIDUAL_OVER                BIT_10
#define SS_SENSE_LEN_VALID              BIT_9
#define SS_RESPONSE_INFO_LEN_VALID      BIT_8
#define SS_SCSI_STATUS_BYTE     0xff

#define SS_RESERVE_CONFLICT             (BIT_4 | BIT_3)
#define SS_BUSY_CONDITION               BIT_3
#define SS_CONDITION_MET                BIT_2
#define SS_CHECK_CONDITION              BIT_1

/*
 * Status entry completion status
 */
#define CS_COMPLETE             0x0     /* No errors */
#define CS_INCOMPLETE           0x1     /* Incomplete transfer of cmd. */
#define CS_DMA                  0x2     /* A DMA direction error. */
#define CS_TRANSPORT            0x3     /* Transport error. */
#define CS_RESET                0x4     /* SCSI bus reset occurred */
#define CS_ABORTED              0x5     /* System aborted command. */
#define CS_TIMEOUT              0x6     /* Timeout error. */
#define CS_DATA_OVERRUN         0x7     /* Data overrun. */
#define CS_DIF_ERROR            0xC     /* DIF error detected  */

#define CS_DATA_UNDERRUN        0x15    /* Data Underrun. */
#define CS_QUEUE_FULL           0x1C    /* Queue Full. */
#define CS_PORT_UNAVAILABLE     0x28    /* Port unavailable */
                                        /* (selection timeout) */
#define CS_PORT_LOGGED_OUT      0x29    /* Port Logged Out */
#define CS_PORT_CONFIG_CHG      0x2A    /* Port Configuration Changed */
#define CS_PORT_BUSY            0x2B    /* Port Busy */
#define CS_COMPLETE_CHKCOND     0x30    /* Error? */
#define CS_IOCB_ERROR           0x31    /* Generic error for IOCB request
                                           failure */
#define CS_REJECT_RECEIVED      0x4E    /* Reject received */
#define CS_EDIF_AUTH_ERROR      0x63    /* decrypt error */
#define CS_EDIF_PAD_LEN_ERROR   0x65    /* pad > frame size, not 4byte align */
#define CS_EDIF_INV_REQ         0x66    /* invalid request */
#define CS_EDIF_SPI_ERROR       0x67    /* rx frame unable to locate sa */
#define CS_EDIF_HDR_ERROR       0x69    /* data frame != expected len */
#define CS_BAD_PAYLOAD          0x80    /* Driver defined */
#define CS_UNKNOWN              0x81    /* Driver defined */
#define CS_RETRY                0x82    /* Driver defined */
#define CS_LOOP_DOWN_ABORT      0x83    /* Driver defined */

#define CS_BIDIR_RD_OVERRUN                     0x700
#define CS_BIDIR_RD_WR_OVERRUN                  0x707
#define CS_BIDIR_RD_OVERRUN_WR_UNDERRUN         0x715
#define CS_BIDIR_RD_UNDERRUN                    0x1500
#define CS_BIDIR_RD_UNDERRUN_WR_OVERRUN         0x1507
#define CS_BIDIR_RD_WR_UNDERRUN                 0x1515
#define CS_BIDIR_DMA                            0x200
/*
 * Status entry status flags
 */
#define SF_ABTS_TERMINATED      BIT_10
#define SF_LOGOUT_SENT          BIT_13

/*
 * ISP queue - status continuation entry structure definition.
 */
#define STATUS_CONT_TYPE        0x10    /* Status continuation entry. */
typedef struct {
        uint8_t entry_type;             /* Entry type. */
        uint8_t entry_count;            /* Entry count. */
        uint8_t sys_define;             /* System defined. */
        uint8_t entry_status;           /* Entry Status. */
        uint8_t data[60];               /* data */
} sts_cont_entry_t;

/*
 * ISP queue -  RIO Type 1 status entry (32 bit I/O entry handles)
 *              structure definition.
 */
#define STATUS_TYPE_21 0x21             /* Status entry. */
typedef struct {
        uint8_t entry_type;             /* Entry type. */
        uint8_t entry_count;            /* Entry count. */
        uint8_t handle_count;           /* Handle count. */
        uint8_t entry_status;           /* Entry Status. */
        uint32_t handle[15];            /* System handles. */
} sts21_entry_t;

/*
 * ISP queue -  RIO Type 2 status entry (16 bit I/O entry handles)
 *              structure definition.
 */
#define STATUS_TYPE_22  0x22            /* Status entry. */
typedef struct {
        uint8_t entry_type;             /* Entry type. */
        uint8_t entry_count;            /* Entry count. */
        uint8_t handle_count;           /* Handle count. */
        uint8_t entry_status;           /* Entry Status. */
        uint16_t handle[30];            /* System handles. */
} sts22_entry_t;

/*
 * ISP queue - marker entry structure definition.
 */
#define MARKER_TYPE     0x04            /* Marker entry. */
typedef struct {
        uint8_t entry_type;             /* Entry type. */
        uint8_t entry_count;            /* Entry count. */
        uint8_t handle_count;           /* Handle count. */
        uint8_t entry_status;           /* Entry Status. */
        uint32_t sys_define_2;          /* System defined. */
        target_id_t target;             /* SCSI ID */
        uint8_t modifier;               /* Modifier (7-0). */
#define MK_SYNC_ID_LUN  0               /* Synchronize ID/LUN */
#define MK_SYNC_ID      1               /* Synchronize ID */
#define MK_SYNC_ALL     2               /* Synchronize all ID/LUN */
#define MK_SYNC_LIP     3               /* Synchronize all ID/LUN, */
                                        /* clear port changed, */
                                        /* use sequence number. */
        uint8_t reserved_1;
        __le16  sequence_number;        /* Sequence number of event */
        __le16  lun;                    /* SCSI LUN */
        uint8_t reserved_2[48];
} mrk_entry_t;

/*
 * ISP queue - Management Server entry structure definition.
 */
#define MS_IOCB_TYPE            0x29    /* Management Server IOCB entry */
typedef struct {
        uint8_t entry_type;             /* Entry type. */
        uint8_t entry_count;            /* Entry count. */
        uint8_t handle_count;           /* Handle count. */
        uint8_t entry_status;           /* Entry Status. */
        uint32_t handle1;               /* System handle. */
        target_id_t loop_id;
        __le16  status;
        __le16  control_flags;          /* Control flags. */
        uint16_t reserved2;
        __le16  timeout;
        __le16  cmd_dsd_count;
        __le16  total_dsd_count;
        uint8_t type;
        uint8_t r_ctl;
        __le16  rx_id;
        uint16_t reserved3;
        uint32_t handle2;
        __le32  rsp_bytecount;
        __le32  req_bytecount;
        struct dsd64 req_dsd;
        struct dsd64 rsp_dsd;
} ms_iocb_entry_t;

#define SCM_EDC_ACC_RECEIVED            BIT_6
#define SCM_RDF_ACC_RECEIVED            BIT_7

/*
 * ISP queue - Mailbox Command entry structure definition.
 */
#define MBX_IOCB_TYPE   0x39
struct mbx_entry {
        uint8_t entry_type;
        uint8_t entry_count;
        uint8_t sys_define1;
        /* Use sys_define1 for source type */
#define SOURCE_SCSI     0x00
#define SOURCE_IP       0x01
#define SOURCE_VI       0x02
#define SOURCE_SCTP     0x03
#define SOURCE_MP       0x04
#define SOURCE_MPIOCTL  0x05
#define SOURCE_ASYNC_IOCB 0x07

        uint8_t entry_status;

        uint32_t handle;
        target_id_t loop_id;

        __le16  status;
        __le16  state_flags;
        __le16  status_flags;

        uint32_t sys_define2[2];

        __le16  mb0;
        __le16  mb1;
        __le16  mb2;
        __le16  mb3;
        __le16  mb6;
        __le16  mb7;
        __le16  mb9;
        __le16  mb10;
        uint32_t reserved_2[2];
        uint8_t node_name[WWN_SIZE];
        uint8_t port_name[WWN_SIZE];
};

#ifndef IMMED_NOTIFY_TYPE
#define IMMED_NOTIFY_TYPE 0x0D          /* Immediate notify entry. */
/*
 * ISP queue -  immediate notify entry structure definition.
 *              This is sent by the ISP to the Target driver.
 *              This IOCB would have report of events sent by the
 *              initiator, that needs to be handled by the target
 *              driver immediately.
 */
struct imm_ntfy_from_isp {
        uint8_t  entry_type;                /* Entry type. */
        uint8_t  entry_count;               /* Entry count. */
        uint8_t  sys_define;                /* System defined. */
        uint8_t  entry_status;              /* Entry Status. */
        union {
                struct {
                        __le32  sys_define_2; /* System defined. */
                        target_id_t target;
                        __le16  lun;
                        uint8_t  target_id;
                        uint8_t  reserved_1;
                        __le16  status_modifier;
                        __le16  status;
                        __le16  task_flags;
                        __le16  seq_id;
                        __le16  srr_rx_id;
                        __le32  srr_rel_offs;
                        __le16  srr_ui;
#define SRR_IU_DATA_IN  0x1
#define SRR_IU_DATA_OUT 0x5
#define SRR_IU_STATUS   0x7
                        __le16  srr_ox_id;
                        uint8_t reserved_2[28];
                } isp2x;
                struct {
                        uint32_t reserved;
                        __le16  nport_handle;
                        uint16_t reserved_2;
                        __le16  flags;
#define NOTIFY24XX_FLAGS_FCSP           BIT_5
#define NOTIFY24XX_FLAGS_GLOBAL_TPRLO   BIT_1
#define NOTIFY24XX_FLAGS_PUREX_IOCB     BIT_0
                        __le16  srr_rx_id;
                        __le16  status;
                        uint8_t  status_subcode;
                        uint8_t  fw_handle;
                        __le32  exchange_address;
                        __le32  srr_rel_offs;
                        __le16  srr_ui;
                        __le16  srr_ox_id;
                        union {
                                struct {
                                        uint8_t node_name[8];
                                } plogi; /* PLOGI/ADISC/PDISC */
                                struct {
                                        /* PRLI word 3 bit 0-15 */
                                        __le16  wd3_lo;
                                        uint8_t resv0[6];
                                } prli;
                                struct {
                                        uint8_t port_id[3];
                                        uint8_t resv1;
                                        __le16  nport_handle;
                                        uint16_t resv2;
                                } req_els;
                        } u;
                        uint8_t port_name[8];
                        uint8_t resv3[3];
                        uint8_t  vp_index;
                        uint32_t reserved_5;
                        uint8_t  port_id[3];
                        uint8_t  reserved_6;
                } isp24;
        } u;
        uint16_t reserved_7;
        __le16  ox_id;
} __packed;
#endif

/*
 * ISP request and response queue entry sizes
 */
#define RESPONSE_ENTRY_SIZE     (sizeof(response_t))
#define REQUEST_ENTRY_SIZE      (sizeof(request_t))



/*
 * Switch info gathering structure.
 */
typedef struct {
        port_id_t d_id;
        uint8_t node_name[WWN_SIZE];
        uint8_t port_name[WWN_SIZE];
        uint8_t fabric_port_name[WWN_SIZE];
        uint16_t fp_speed;
        uint8_t fc4_type;
        uint8_t fc4_features;
} sw_info_t;

/* FCP-4 types */
#define FC4_TYPE_FCP_SCSI       0x08
#define FC4_TYPE_NVME           0x28
#define FC4_TYPE_OTHER          0x0
#define FC4_TYPE_UNKNOWN        0xff

/* mailbox command 4G & above */
struct mbx_24xx_entry {
        uint8_t         entry_type;
        uint8_t         entry_count;
        uint8_t         sys_define1;
        uint8_t         entry_status;
        uint32_t        handle;
        uint16_t        mb[28];
};

#define IOCB_SIZE 64

/*
 * Fibre channel port type.
 */
typedef enum {
        FCT_UNKNOWN,
        FCT_BROADCAST = 0x01,
        FCT_INITIATOR = 0x02,
        FCT_TARGET    = 0x04,
        FCT_NVME_INITIATOR = 0x10,
        FCT_NVME_TARGET = 0x20,
        FCT_NVME_DISCOVERY = 0x40,
        FCT_NVME = 0xf0,
} fc_port_type_t;

enum qla_sess_deletion {
        QLA_SESS_DELETION_NONE          = 0,
        QLA_SESS_DELETION_IN_PROGRESS,
        QLA_SESS_DELETED,
};

enum qlt_plogi_link_t {
        QLT_PLOGI_LINK_SAME_WWN,
        QLT_PLOGI_LINK_CONFLICT,
        QLT_PLOGI_LINK_MAX
};

struct qlt_plogi_ack_t {
        struct list_head        list;
        struct imm_ntfy_from_isp iocb;
        port_id_t       id;
        int             ref_count;
        void            *fcport;
};

struct ct_sns_desc {
        struct ct_sns_pkt       *ct_sns;
        dma_addr_t              ct_sns_dma;
};

enum discovery_state {
        DSC_DELETED,
        DSC_GNL,
        DSC_LOGIN_PEND,
        DSC_LOGIN_FAILED,
        DSC_GPDB,
        DSC_UPD_FCPORT,
        DSC_LOGIN_COMPLETE,
        DSC_ADISC,
        DSC_DELETE_PEND,
        DSC_LOGIN_AUTH_PEND,
};

enum login_state {      /* FW control Target side */
        DSC_LS_LLIOCB_SENT = 2,
        DSC_LS_PLOGI_PEND,
        DSC_LS_PLOGI_COMP,
        DSC_LS_PRLI_PEND,
        DSC_LS_PRLI_COMP,
        DSC_LS_PORT_UNAVAIL,
        DSC_LS_PRLO_PEND = 9,
        DSC_LS_LOGO_PEND,
};

enum rscn_addr_format {
        RSCN_PORT_ADDR,
        RSCN_AREA_ADDR,
        RSCN_DOM_ADDR,
        RSCN_FAB_ADDR,
};

/*
 * Fibre channel port structure.
 */
typedef struct fc_port {
        struct list_head list;
        struct scsi_qla_host *vha;
        struct list_head unsol_ctx_head;

        unsigned int conf_compl_supported:1;
        unsigned int deleted:2;
        unsigned int free_pending:1;
        unsigned int local:1;
        unsigned int logout_on_delete:1;
        unsigned int logo_ack_needed:1;
        unsigned int keep_nport_handle:1;
        unsigned int send_els_logo:1;
        unsigned int login_pause:1;
        unsigned int login_succ:1;
        unsigned int query:1;
        unsigned int id_changed:1;
        unsigned int scan_needed:1;
        unsigned int n2n_flag:1;
        unsigned int explicit_logout:1;
        unsigned int prli_pend_timer:1;
        unsigned int do_prli_nvme:1;

        uint8_t nvme_flag;
        uint8_t node_name[WWN_SIZE];
        uint8_t port_name[WWN_SIZE];
        port_id_t d_id;
        uint16_t loop_id;
        uint16_t old_loop_id;

        struct completion nvme_del_done;
        uint32_t nvme_prli_service_param;
#define NVME_PRLI_SP_PI_CTRL    BIT_9
#define NVME_PRLI_SP_SLER       BIT_8
#define NVME_PRLI_SP_CONF       BIT_7
#define NVME_PRLI_SP_INITIATOR  BIT_5
#define NVME_PRLI_SP_TARGET     BIT_4
#define NVME_PRLI_SP_DISCOVERY  BIT_3
#define NVME_PRLI_SP_FIRST_BURST        BIT_0

        uint32_t nvme_first_burst_size;
#define NVME_FLAG_REGISTERED 4
#define NVME_FLAG_DELETING 2
#define NVME_FLAG_RESETTING 1

        struct fc_port *conflict;
        unsigned char logout_completed;
        int generation;

        struct se_session *se_sess;
        struct list_head sess_cmd_list;
        spinlock_t sess_cmd_lock;
        struct kref sess_kref;
        struct qla_tgt *tgt;
        unsigned long expires;
        struct work_struct free_work;
        struct work_struct reg_work;
        uint64_t jiffies_at_registration;
        unsigned long prli_expired;
        struct qlt_plogi_ack_t *plogi_link[QLT_PLOGI_LINK_MAX];

        uint16_t tgt_id;
        uint16_t old_tgt_id;
        uint16_t sec_since_registration;

        uint8_t fcp_prio;

        uint8_t fabric_port_name[WWN_SIZE];
        uint16_t fp_speed;

        fc_port_type_t port_type;

        atomic_t state;
        uint32_t flags;

        int login_retry;

        struct fc_rport *rport;
        u32 supported_classes;

        uint8_t fc4_type;
        uint8_t fc4_features;
        uint8_t scan_state;

        unsigned long last_queue_full;
        unsigned long last_ramp_up;

        uint16_t port_id;

        struct nvme_fc_remote_port *nvme_remote_port;

        unsigned long retry_delay_timestamp;
        struct qla_tgt_sess *tgt_session;
        struct ct_sns_desc ct_desc;
        enum discovery_state disc_state;
        atomic_t shadow_disc_state;
        enum discovery_state next_disc_state;
        enum login_state fw_login_state;
        unsigned long dm_login_expire;
        unsigned long plogi_nack_done_deadline;

        u32 login_gen, last_login_gen;
        u32 rscn_gen, last_rscn_gen;
        u32 chip_reset;
        struct list_head gnl_entry;
        struct work_struct del_work;
        u8 iocb[IOCB_SIZE];
        u8 current_login_state;
        u8 last_login_state;
        u16 n2n_link_reset_cnt;
        u16 n2n_chip_reset;

        struct dentry *dfs_rport_dir;

        u64 tgt_short_link_down_cnt;
        u64 tgt_link_down_time;
        u64 dev_loss_tmo;
        /*
         * EDIF parameters for encryption.
         */
        struct {
                uint32_t        enable:1;       /* device is edif enabled/req'd */
                uint32_t        app_stop:2;
                uint32_t        aes_gmac:1;
                uint32_t        app_sess_online:1;
                uint32_t        tx_sa_set:1;
                uint32_t        rx_sa_set:1;
                uint32_t        tx_sa_pending:1;
                uint32_t        rx_sa_pending:1;
                uint32_t        tx_rekey_cnt;
                uint32_t        rx_rekey_cnt;
                uint64_t        tx_bytes;
                uint64_t        rx_bytes;
                uint8_t         sess_down_acked;
                uint8_t         auth_state;
                uint16_t        authok:1;
                uint16_t        rekey_cnt;
                struct list_head edif_indx_list;
                spinlock_t  indx_list_lock;

                struct list_head tx_sa_list;
                struct list_head rx_sa_list;
                spinlock_t      sa_list_lock;
        } edif;
} fc_port_t;

enum {
        FC4_PRIORITY_NVME = 1,
        FC4_PRIORITY_FCP  = 2,
};

#define QLA_FCPORT_SCAN         1
#define QLA_FCPORT_FOUND        2

struct event_arg {
        fc_port_t               *fcport;
        srb_t                   *sp;
        port_id_t               id;
        u16                     data[2], rc;
        u8                      port_name[WWN_SIZE];
        u32                     iop[2];
};

#include "qla_mr.h"

/*
 * Fibre channel port/lun states.
 */
enum {
        FCS_UNKNOWN,
        FCS_UNCONFIGURED,
        FCS_DEVICE_DEAD,
        FCS_DEVICE_LOST,
        FCS_ONLINE,
};

extern const char *const port_state_str[5];

static const char *const port_dstate_str[] = {
        [DSC_DELETED]           = "DELETED",
        [DSC_GNL]               = "GNL",
        [DSC_LOGIN_PEND]        = "LOGIN_PEND",
        [DSC_LOGIN_FAILED]      = "LOGIN_FAILED",
        [DSC_GPDB]              = "GPDB",
        [DSC_UPD_FCPORT]        = "UPD_FCPORT",
        [DSC_LOGIN_COMPLETE]    = "LOGIN_COMPLETE",
        [DSC_ADISC]             = "ADISC",
        [DSC_DELETE_PEND]       = "DELETE_PEND",
        [DSC_LOGIN_AUTH_PEND]   = "LOGIN_AUTH_PEND",
};

/*
 * FC port flags.
 */
#define FCF_FABRIC_DEVICE       BIT_0
#define FCF_LOGIN_NEEDED        BIT_1
#define FCF_FCP2_DEVICE         BIT_2
#define FCF_ASYNC_SENT          BIT_3
#define FCF_CONF_COMP_SUPPORTED BIT_4
#define FCF_ASYNC_ACTIVE        BIT_5
#define FCF_FCSP_DEVICE         BIT_6
#define FCF_EDIF_DELETE         BIT_7

/* No loop ID flag. */
#define FC_NO_LOOP_ID           0x1000

/*
 * FC-CT interface
 *
 * NOTE: All structures are big-endian in form.
 */

#define CT_REJECT_RESPONSE      0x8001
#define CT_ACCEPT_RESPONSE      0x8002
#define CT_REASON_INVALID_COMMAND_CODE          0x01
#define CT_REASON_CANNOT_PERFORM                0x09
#define CT_REASON_COMMAND_UNSUPPORTED           0x0b
#define CT_EXPL_ALREADY_REGISTERED              0x10
#define CT_EXPL_HBA_ATTR_NOT_REGISTERED         0x11
#define CT_EXPL_MULTIPLE_HBA_ATTR               0x12
#define CT_EXPL_INVALID_HBA_BLOCK_LENGTH        0x13
#define CT_EXPL_MISSING_REQ_HBA_ATTR            0x14
#define CT_EXPL_PORT_NOT_REGISTERED_            0x15
#define CT_EXPL_MISSING_HBA_ID_PORT_LIST        0x16
#define CT_EXPL_HBA_NOT_REGISTERED              0x17
#define CT_EXPL_PORT_ATTR_NOT_REGISTERED        0x20
#define CT_EXPL_PORT_NOT_REGISTERED             0x21
#define CT_EXPL_MULTIPLE_PORT_ATTR              0x22
#define CT_EXPL_INVALID_PORT_BLOCK_LENGTH       0x23

#define NS_N_PORT_TYPE  0x01
#define NS_NL_PORT_TYPE 0x02
#define NS_NX_PORT_TYPE 0x7F

#define GA_NXT_CMD      0x100
#define GA_NXT_REQ_SIZE (16 + 4)
#define GA_NXT_RSP_SIZE (16 + 620)

#define GPN_FT_CMD      0x172
#define GPN_FT_REQ_SIZE (16 + 4)
#define GNN_FT_CMD      0x173
#define GNN_FT_REQ_SIZE (16 + 4)

#define GID_PT_CMD      0x1A1
#define GID_PT_REQ_SIZE (16 + 4)

#define GPN_ID_CMD      0x112
#define GPN_ID_REQ_SIZE (16 + 4)
#define GPN_ID_RSP_SIZE (16 + 8)

#define GNN_ID_CMD      0x113
#define GNN_ID_REQ_SIZE (16 + 4)
#define GNN_ID_RSP_SIZE (16 + 8)

#define GFT_ID_CMD      0x117
#define GFT_ID_REQ_SIZE (16 + 4)
#define GFT_ID_RSP_SIZE (16 + 32)

#define GID_PN_CMD 0x121
#define GID_PN_REQ_SIZE (16 + 8)
#define GID_PN_RSP_SIZE (16 + 4)

#define RFT_ID_CMD      0x217
#define RFT_ID_REQ_SIZE (16 + 4 + 32)
#define RFT_ID_RSP_SIZE 16

#define RFF_ID_CMD      0x21F
#define RFF_ID_REQ_SIZE (16 + 4 + 2 + 1 + 1)
#define RFF_ID_RSP_SIZE 16

#define RNN_ID_CMD      0x213
#define RNN_ID_REQ_SIZE (16 + 4 + 8)
#define RNN_ID_RSP_SIZE 16

#define RSNN_NN_CMD      0x239
#define RSNN_NN_REQ_SIZE (16 + 8 + 1 + 255)
#define RSNN_NN_RSP_SIZE 16

#define GFPN_ID_CMD     0x11C
#define GFPN_ID_REQ_SIZE (16 + 4)
#define GFPN_ID_RSP_SIZE (16 + 8)

#define GPSC_CMD        0x127
#define GPSC_REQ_SIZE   (16 + 8)
#define GPSC_RSP_SIZE   (16 + 2 + 2)

#define GFF_ID_CMD      0x011F
#define GFF_ID_REQ_SIZE (16 + 4)
#define GFF_ID_RSP_SIZE (16 + 128)

/*
 * FDMI HBA attribute types.
 */
#define FDMI1_HBA_ATTR_COUNT                    10
#define FDMI2_HBA_ATTR_COUNT                    17

#define FDMI_HBA_NODE_NAME                      0x1
#define FDMI_HBA_MANUFACTURER                   0x2
#define FDMI_HBA_SERIAL_NUMBER                  0x3
#define FDMI_HBA_MODEL                          0x4
#define FDMI_HBA_MODEL_DESCRIPTION              0x5
#define FDMI_HBA_HARDWARE_VERSION               0x6
#define FDMI_HBA_DRIVER_VERSION                 0x7
#define FDMI_HBA_OPTION_ROM_VERSION             0x8
#define FDMI_HBA_FIRMWARE_VERSION               0x9
#define FDMI_HBA_OS_NAME_AND_VERSION            0xa
#define FDMI_HBA_MAXIMUM_CT_PAYLOAD_LENGTH      0xb

#define FDMI_HBA_NODE_SYMBOLIC_NAME             0xc
#define FDMI_HBA_VENDOR_SPECIFIC_INFO           0xd
#define FDMI_HBA_NUM_PORTS                      0xe
#define FDMI_HBA_FABRIC_NAME                    0xf
#define FDMI_HBA_BOOT_BIOS_NAME                 0x10
#define FDMI_HBA_VENDOR_IDENTIFIER              0xe0

struct ct_fdmi_hba_attr {
        __be16  type;
        __be16  len;
        union {
                uint8_t node_name[WWN_SIZE];
                uint8_t manufacturer[64];
                uint8_t serial_num[32];
                uint8_t model[16+1];
                uint8_t model_desc[80];
                uint8_t hw_version[32];
                uint8_t driver_version[32];
                uint8_t orom_version[16];
                uint8_t fw_version[32];
                uint8_t os_version[128];
                __be32   max_ct_len;

                uint8_t sym_name[256];
                __be32   vendor_specific_info;
                __be32   num_ports;
                uint8_t fabric_name[WWN_SIZE];
                uint8_t bios_name[32];
                uint8_t vendor_identifier[8];
        } a;
};

struct ct_fdmi1_hba_attributes {
        __be32  count;
        struct ct_fdmi_hba_attr entry[FDMI1_HBA_ATTR_COUNT];
};

struct ct_fdmi2_hba_attributes {
        __be32  count;
        struct ct_fdmi_hba_attr entry[FDMI2_HBA_ATTR_COUNT];
};

/*
 * FDMI Port attribute types.
 */
#define FDMI1_PORT_ATTR_COUNT           6
#define FDMI2_PORT_ATTR_COUNT           16
#define FDMI2_SMARTSAN_PORT_ATTR_COUNT  23

#define FDMI_PORT_FC4_TYPES             0x1
#define FDMI_PORT_SUPPORT_SPEED         0x2
#define FDMI_PORT_CURRENT_SPEED         0x3
#define FDMI_PORT_MAX_FRAME_SIZE        0x4
#define FDMI_PORT_OS_DEVICE_NAME        0x5
#define FDMI_PORT_HOST_NAME             0x6

#define FDMI_PORT_NODE_NAME             0x7
#define FDMI_PORT_NAME                  0x8
#define FDMI_PORT_SYM_NAME              0x9
#define FDMI_PORT_TYPE                  0xa
#define FDMI_PORT_SUPP_COS              0xb
#define FDMI_PORT_FABRIC_NAME           0xc
#define FDMI_PORT_FC4_TYPE              0xd
#define FDMI_PORT_STATE                 0x101
#define FDMI_PORT_COUNT                 0x102
#define FDMI_PORT_IDENTIFIER            0x103

#define FDMI_SMARTSAN_SERVICE           0xF100
#define FDMI_SMARTSAN_GUID              0xF101
#define FDMI_SMARTSAN_VERSION           0xF102
#define FDMI_SMARTSAN_PROD_NAME         0xF103
#define FDMI_SMARTSAN_PORT_INFO         0xF104
#define FDMI_SMARTSAN_QOS_SUPPORT       0xF105
#define FDMI_SMARTSAN_SECURITY_SUPPORT  0xF106

#define FDMI_PORT_SPEED_1GB             0x1
#define FDMI_PORT_SPEED_2GB             0x2
#define FDMI_PORT_SPEED_10GB            0x4
#define FDMI_PORT_SPEED_4GB             0x8
#define FDMI_PORT_SPEED_8GB             0x10
#define FDMI_PORT_SPEED_16GB            0x20
#define FDMI_PORT_SPEED_32GB            0x40
#define FDMI_PORT_SPEED_20GB            0x80
#define FDMI_PORT_SPEED_40GB            0x100
#define FDMI_PORT_SPEED_128GB           0x200
#define FDMI_PORT_SPEED_64GB            0x400
#define FDMI_PORT_SPEED_256GB           0x800
#define FDMI_PORT_SPEED_UNKNOWN         0x8000

#define FC_CLASS_2      0x04
#define FC_CLASS_3      0x08
#define FC_CLASS_2_3    0x0C

struct ct_fdmi_port_attr {
        __be16  type;
        __be16  len;
        union {
                uint8_t fc4_types[32];
                __be32  sup_speed;
                __be32  cur_speed;
                __be32  max_frame_size;
                uint8_t os_dev_name[32];
                uint8_t host_name[256];

                uint8_t node_name[WWN_SIZE];
                uint8_t port_name[WWN_SIZE];
                uint8_t port_sym_name[128];
                __be32  port_type;
                __be32  port_supported_cos;
                uint8_t fabric_name[WWN_SIZE];
                uint8_t port_fc4_type[32];
                __be32   port_state;
                __be32   num_ports;
                __be32   port_id;

                uint8_t smartsan_service[24];
                uint8_t smartsan_guid[16];
                uint8_t smartsan_version[24];
                uint8_t smartsan_prod_name[16];
                __be32   smartsan_port_info;
                __be32   smartsan_qos_support;
                __be32   smartsan_security_support;
        } a;
};

struct ct_fdmi1_port_attributes {
        __be32   count;
        struct ct_fdmi_port_attr entry[FDMI1_PORT_ATTR_COUNT];
};

struct ct_fdmi2_port_attributes {
        __be32  count;
        struct ct_fdmi_port_attr entry[FDMI2_PORT_ATTR_COUNT];
};

#define FDMI_ATTR_TYPELEN(obj) \
        (sizeof((obj)->type) + sizeof((obj)->len))

#define FDMI_ATTR_ALIGNMENT(len) \
        (4 - ((len) & 3))

/* FDMI register call options */
#define CALLOPT_FDMI1           0
#define CALLOPT_FDMI2           1
#define CALLOPT_FDMI2_SMARTSAN  2

/* FDMI definitions. */
#define GRHL_CMD        0x100
#define GHAT_CMD        0x101
#define GRPL_CMD        0x102
#define GPAT_CMD        0x110

#define RHBA_CMD        0x200
#define RHBA_RSP_SIZE   16

#define RHAT_CMD        0x201

#define RPRT_CMD        0x210
#define RPRT_RSP_SIZE   24

#define RPA_CMD         0x211
#define RPA_RSP_SIZE    16
#define SMARTSAN_RPA_RSP_SIZE   24

#define DHBA_CMD        0x300
#define DHBA_REQ_SIZE   (16 + 8)
#define DHBA_RSP_SIZE   16

#define DHAT_CMD        0x301
#define DPRT_CMD        0x310
#define DPA_CMD         0x311

/* CT command header -- request/response common fields */
struct ct_cmd_hdr {
        uint8_t revision;
        uint8_t in_id[3];
        uint8_t gs_type;
        uint8_t gs_subtype;
        uint8_t options;
        uint8_t reserved;
};

/* CT command request */
struct ct_sns_req {
        struct ct_cmd_hdr header;
        __be16  command;
        __be16  max_rsp_size;
        uint8_t fragment_id;
        uint8_t reserved[3];

        union {
                /* GA_NXT, GPN_ID, GNN_ID, GFT_ID, GFPN_ID */
                struct {
                        uint8_t reserved;
                        be_id_t port_id;
                } port_id;

                struct {
                        uint8_t reserved;
                        uint8_t domain;
                        uint8_t area;
                        uint8_t port_type;
                } gpn_ft;

                struct {
                        uint8_t port_type;
                        uint8_t domain;
                        uint8_t area;
                        uint8_t reserved;
                } gid_pt;

                struct {
                        uint8_t reserved;
                        be_id_t port_id;
                        uint8_t fc4_types[32];
                } rft_id;

                struct {
                        uint8_t reserved;
                        be_id_t port_id;
                        uint16_t reserved2;
                        uint8_t fc4_feature;
                        uint8_t fc4_type;
                } rff_id;

                struct {
                        uint8_t reserved;
                        be_id_t port_id;
                        uint8_t node_name[8];
                } rnn_id;

                struct {
                        uint8_t node_name[8];
                        uint8_t name_len;
                        uint8_t sym_node_name[255];
                } rsnn_nn;

                struct {
                        uint8_t hba_identifier[8];
                } ghat;

                struct {
                        uint8_t hba_identifier[8];
                        __be32  entry_count;
                        uint8_t port_name[8];
                        struct ct_fdmi2_hba_attributes attrs;
                } rhba;

                struct {
                        uint8_t hba_identifier[8];
                        struct ct_fdmi1_hba_attributes attrs;
                } rhat;

                struct {
                        uint8_t port_name[8];
                        struct ct_fdmi2_port_attributes attrs;
                } rpa;

                struct {
                        uint8_t hba_identifier[8];
                        uint8_t port_name[8];
                        struct ct_fdmi2_port_attributes attrs;
                } rprt;

                struct {
                        uint8_t port_name[8];
                } dhba;

                struct {
                        uint8_t port_name[8];
                } dhat;

                struct {
                        uint8_t port_name[8];
                } dprt;

                struct {
                        uint8_t port_name[8];
                } dpa;

                struct {
                        uint8_t port_name[8];
                } gpsc;

                struct {
                        uint8_t reserved;
                        uint8_t port_id[3];
                } gff_id;

                struct {
                        uint8_t port_name[8];
                } gid_pn;
        } req;
};

/* CT command response header */
struct ct_rsp_hdr {
        struct ct_cmd_hdr header;
        __be16  response;
        uint16_t residual;
        uint8_t fragment_id;
        uint8_t reason_code;
        uint8_t explanation_code;
        uint8_t vendor_unique;
};

struct ct_sns_gid_pt_data {
        uint8_t control_byte;
        be_id_t port_id;
};

/* It's the same for both GPN_FT and GNN_FT */
struct ct_sns_gpnft_rsp {
        struct {
                struct ct_cmd_hdr header;
                uint16_t response;
                uint16_t residual;
                uint8_t fragment_id;
                uint8_t reason_code;
                uint8_t explanation_code;
                uint8_t vendor_unique;
        };
        /* Assume the largest number of targets for the union */
        DECLARE_FLEX_ARRAY(struct ct_sns_gpn_ft_data {
                u8 control_byte;
                u8 port_id[3];
                u32 reserved;
                u8 port_name[8];
        }, entries);
};

/* CT command response */
struct ct_sns_rsp {
        struct ct_rsp_hdr header;

        union {
                struct {
                        uint8_t port_type;
                        be_id_t port_id;
                        uint8_t port_name[8];
                        uint8_t sym_port_name_len;
                        uint8_t sym_port_name[255];
                        uint8_t node_name[8];
                        uint8_t sym_node_name_len;
                        uint8_t sym_node_name[255];
                        uint8_t init_proc_assoc[8];
                        uint8_t node_ip_addr[16];
                        uint8_t class_of_service[4];
                        uint8_t fc4_types[32];
                        uint8_t ip_address[16];
                        uint8_t fabric_port_name[8];
                        uint8_t reserved;
                        uint8_t hard_address[3];
                } ga_nxt;

                struct {
                        /* Assume the largest number of targets for the union */
                        struct ct_sns_gid_pt_data
                            entries[MAX_FIBRE_DEVICES_MAX];
                } gid_pt;

                struct {
                        uint8_t port_name[8];
                } gpn_id;

                struct {
                        uint8_t node_name[8];
                } gnn_id;

                struct {
                        uint8_t fc4_types[32];
                } gft_id;

                struct {
                        uint32_t entry_count;
                        uint8_t port_name[8];
                        struct ct_fdmi1_hba_attributes attrs;
                } ghat;

                struct {
                        uint8_t port_name[8];
                } gfpn_id;

                struct {
                        __be16  speeds;
                        __be16  speed;
                } gpsc;

#define GFF_FCP_SCSI_OFFSET     7
#define GFF_NVME_OFFSET         23 /* type = 28h */
                struct {
                        uint8_t fc4_features[128];
#define FC4_FF_TARGET    BIT_0
#define FC4_FF_INITIATOR BIT_1
                } gff_id;
                struct {
                        uint8_t reserved;
                        uint8_t port_id[3];
                } gid_pn;
        } rsp;
};

struct ct_sns_pkt {
        union {
                struct ct_sns_req req;
                struct ct_sns_rsp rsp;
        } p;
};

struct ct_sns_gpnft_pkt {
        union {
                struct ct_sns_req req;
                struct ct_sns_gpnft_rsp rsp;
        } p;
};

enum scan_flags_t {
        SF_SCANNING = BIT_0,
        SF_QUEUED = BIT_1,
};

enum fc4type_t {
        FS_FC4TYPE_FCP  = BIT_0,
        FS_FC4TYPE_NVME = BIT_1,
        FS_FCP_IS_N2N = BIT_7,
};

struct fab_scan_rp {
        port_id_t id;
        enum fc4type_t fc4type;
        u8 port_name[8];
        u8 node_name[8];
};

enum scan_step {
        FAB_SCAN_START,
        FAB_SCAN_GPNFT_FCP,
        FAB_SCAN_GNNFT_FCP,
        FAB_SCAN_GPNFT_NVME,
        FAB_SCAN_GNNFT_NVME,
};

struct fab_scan {
        struct fab_scan_rp *l;
        u32 size;
        u32 rscn_gen_start;
        u32 rscn_gen_end;
        enum scan_step step;
        u16 scan_retry;
#define MAX_SCAN_RETRIES 5
        enum scan_flags_t scan_flags;
        struct delayed_work scan_work;
};

/*
 * SNS command structures -- for 2200 compatibility.
 */
#define RFT_ID_SNS_SCMD_LEN     22
#define RFT_ID_SNS_CMD_SIZE     60
#define RFT_ID_SNS_DATA_SIZE    16

#define RNN_ID_SNS_SCMD_LEN     10
#define RNN_ID_SNS_CMD_SIZE     36
#define RNN_ID_SNS_DATA_SIZE    16

#define GA_NXT_SNS_SCMD_LEN     6
#define GA_NXT_SNS_CMD_SIZE     28
#define GA_NXT_SNS_DATA_SIZE    (620 + 16)

#define GID_PT_SNS_SCMD_LEN     6
#define GID_PT_SNS_CMD_SIZE     28
/*
 * Assume MAX_FIBRE_DEVICES_2100 as these defines are only used with older
 * adapters.
 */
#define GID_PT_SNS_DATA_SIZE    (MAX_FIBRE_DEVICES_2100 * 4 + 16)

#define GPN_ID_SNS_SCMD_LEN     6
#define GPN_ID_SNS_CMD_SIZE     28
#define GPN_ID_SNS_DATA_SIZE    (8 + 16)

#define GNN_ID_SNS_SCMD_LEN     6
#define GNN_ID_SNS_CMD_SIZE     28
#define GNN_ID_SNS_DATA_SIZE    (8 + 16)

struct sns_cmd_pkt {
        union {
                struct {
                        __le16  buffer_length;
                        __le16  reserved_1;
                        __le64  buffer_address __packed;
                        __le16  subcommand_length;
                        __le16  reserved_2;
                        __le16  subcommand;
                        __le16  size;
                        uint32_t reserved_3;
                        uint8_t param[36];
                } cmd;

                uint8_t rft_data[RFT_ID_SNS_DATA_SIZE];
                uint8_t rnn_data[RNN_ID_SNS_DATA_SIZE];
                uint8_t gan_data[GA_NXT_SNS_DATA_SIZE];
                uint8_t gid_data[GID_PT_SNS_DATA_SIZE];
                uint8_t gpn_data[GPN_ID_SNS_DATA_SIZE];
                uint8_t gnn_data[GNN_ID_SNS_DATA_SIZE];
        } p;
};

struct fw_blob {
        char *name;
        uint32_t segs[4];
        const struct firmware *fw;
};

/* Return data from MBC_GET_ID_LIST call. */
struct gid_list_info {
        uint8_t al_pa;
        uint8_t area;
        uint8_t domain;
        uint8_t loop_id_2100;   /* ISP2100/ISP2200 -- 4 bytes. */
        __le16  loop_id;        /* ISP23XX         -- 6 bytes. */
        uint16_t reserved_1;    /* ISP24XX         -- 8 bytes. */
};

/* NPIV */
typedef struct vport_info {
        uint8_t         port_name[WWN_SIZE];
        uint8_t         node_name[WWN_SIZE];
        int             vp_id;
        uint16_t        loop_id;
        unsigned long   host_no;
        uint8_t         port_id[3];
        int             loop_state;
} vport_info_t;

typedef struct vport_params {
        uint8_t         port_name[WWN_SIZE];
        uint8_t         node_name[WWN_SIZE];
        uint32_t        options;
#define VP_OPTS_RETRY_ENABLE    BIT_0
#define VP_OPTS_VP_DISABLE      BIT_1
} vport_params_t;

/* NPIV - return codes of VP create and modify */
#define VP_RET_CODE_OK                  0
#define VP_RET_CODE_FATAL               1
#define VP_RET_CODE_WRONG_ID            2
#define VP_RET_CODE_WWPN                3
#define VP_RET_CODE_RESOURCES           4
#define VP_RET_CODE_NO_MEM              5
#define VP_RET_CODE_NOT_FOUND           6

struct qla_hw_data;
struct rsp_que;
/*
 * ISP operations
 */
struct isp_operations {

        int (*pci_config) (struct scsi_qla_host *);
        int (*reset_chip)(struct scsi_qla_host *);
        int (*chip_diag) (struct scsi_qla_host *);
        void (*config_rings) (struct scsi_qla_host *);
        int (*reset_adapter)(struct scsi_qla_host *);
        int (*nvram_config) (struct scsi_qla_host *);
        void (*update_fw_options) (struct scsi_qla_host *);
        int (*load_risc) (struct scsi_qla_host *, uint32_t *);

        char * (*pci_info_str)(struct scsi_qla_host *, char *, size_t);
        char * (*fw_version_str)(struct scsi_qla_host *, char *, size_t);

        irq_handler_t intr_handler;
        void (*enable_intrs) (struct qla_hw_data *);
        void (*disable_intrs) (struct qla_hw_data *);

        int (*abort_command) (srb_t *);
        int (*target_reset) (struct fc_port *, uint64_t, int);
        int (*lun_reset) (struct fc_port *, uint64_t, int);
        int (*fabric_login) (struct scsi_qla_host *, uint16_t, uint8_t,
                uint8_t, uint8_t, uint16_t *, uint8_t);
        int (*fabric_logout) (struct scsi_qla_host *, uint16_t, uint8_t,
            uint8_t, uint8_t);

        uint16_t (*calc_req_entries) (uint16_t);
        void (*build_iocbs) (srb_t *, cmd_entry_t *, uint16_t);
        void *(*prep_ms_iocb) (struct scsi_qla_host *, struct ct_arg *);
        void *(*prep_ms_fdmi_iocb) (struct scsi_qla_host *, uint32_t,
            uint32_t);

        uint8_t *(*read_nvram)(struct scsi_qla_host *, void *,
                uint32_t, uint32_t);
        int (*write_nvram)(struct scsi_qla_host *, void *, uint32_t,
                uint32_t);

        void (*fw_dump)(struct scsi_qla_host *vha);
        void (*mpi_fw_dump)(struct scsi_qla_host *, int);

        /* Context: task, might sleep */
        int (*beacon_on) (struct scsi_qla_host *);
        int (*beacon_off) (struct scsi_qla_host *);

        void (*beacon_blink) (struct scsi_qla_host *);

        void *(*read_optrom)(struct scsi_qla_host *, void *,
                uint32_t, uint32_t);
        int (*write_optrom)(struct scsi_qla_host *, void *, uint32_t,
                uint32_t);

        int (*get_flash_version) (struct scsi_qla_host *, void *);
        int (*start_scsi) (srb_t *);
        int (*start_scsi_mq) (srb_t *);

        /* Context: task, might sleep */
        int (*abort_isp) (struct scsi_qla_host *);

        int (*iospace_config)(struct qla_hw_data *);
        int (*initialize_adapter)(struct scsi_qla_host *);
};

/* MSI-X Support *************************************************************/

#define QLA_MSIX_CHIP_REV_24XX  3
#define QLA_MSIX_FW_MODE(m)     (((m) & (BIT_7|BIT_8|BIT_9)) >> 7)
#define QLA_MSIX_FW_MODE_1(m)   (QLA_MSIX_FW_MODE(m) == 1)

#define QLA_BASE_VECTORS        2 /* default + RSP */
#define QLA_MSIX_RSP_Q                  0x01
#define QLA_ATIO_VECTOR         0x02
#define QLA_MSIX_QPAIR_MULTIQ_RSP_Q     0x03

#define QLA_MIDX_DEFAULT        0
#define QLA_MIDX_RSP_Q          1
#define QLA_PCI_MSIX_CONTROL    0xa2
#define QLA_83XX_PCI_MSIX_CONTROL       0x92

struct scsi_qla_host;


#define QLA83XX_RSPQ_MSIX_ENTRY_NUMBER 1 /* refer to qla83xx_msix_entries */

struct qla_msix_entry {
        int have_irq;
        int in_use;
        uint32_t vector;
        uint32_t vector_base0;
        uint16_t entry;
        char name[30];
        void *handle;
        int cpuid;
};

#define WATCH_INTERVAL          1       /* number of seconds */

/* Work events.  */
enum qla_work_type {
        QLA_EVT_AEN,
        QLA_EVT_IDC_ACK,
        QLA_EVT_ASYNC_LOGIN,
        QLA_EVT_ASYNC_LOGOUT,
        QLA_EVT_ASYNC_ADISC,
        QLA_EVT_UEVENT,
        QLA_EVT_AENFX,
        QLA_EVT_UNMAP,
        QLA_EVT_NEW_SESS,
        QLA_EVT_GPDB,
        QLA_EVT_PRLI,
        QLA_EVT_GPSC,
        QLA_EVT_GNL,
        QLA_EVT_NACK,
        QLA_EVT_RELOGIN,
        QLA_EVT_ASYNC_PRLO,
        QLA_EVT_ASYNC_PRLO_DONE,
        QLA_EVT_SCAN_CMD,
        QLA_EVT_SCAN_FINISH,
        QLA_EVT_GFPNID,
        QLA_EVT_SP_RETRY,
        QLA_EVT_IIDMA,
        QLA_EVT_ELS_PLOGI,
        QLA_EVT_SA_REPLACE,
};


struct qla_work_evt {
        struct list_head        list;
        enum qla_work_type      type;
        u32                     flags;
#define QLA_EVT_FLAG_FREE       0x1

        union {
                struct {
                        enum fc_host_event_code code;
                        u32 data;
                } aen;
                struct {
#define QLA_IDC_ACK_REGS        7
                        uint16_t mb[QLA_IDC_ACK_REGS];
                } idc_ack;
                struct {
                        struct fc_port *fcport;
#define QLA_LOGIO_LOGIN_RETRIED BIT_0
                        u16 data[2];
                } logio;
                struct {
                        u32 code;
#define QLA_UEVENT_CODE_FW_DUMP 0
                } uevent;
                struct {
                        uint32_t        evtcode;
                        uint32_t        mbx[8];
                        uint32_t        count;
                } aenfx;
                struct {
                        srb_t *sp;
                } iosb;
                struct {
                        port_id_t id;
                        u8 port_name[8];
                        u8 node_name[8];
                        void *pla;
                        u8 fc4_type;
                } new_sess;
                struct { /*Get PDB, Get Speed, update fcport, gnl */
                        fc_port_t *fcport;
                        u8 opt;
                } fcport;
                struct {
                        fc_port_t *fcport;
                        u8 iocb[IOCB_SIZE];
                        int type;
                } nack;
                struct {
                        u8 fc4_type;
                        srb_t *sp;
                } gpnft;
                struct {
                        struct edif_sa_ctl      *sa_ctl;
                        fc_port_t *fcport;
                        uint16_t nport_handle;
                } sa_update;
         } u;
};

struct qla_chip_state_84xx {
        struct list_head list;
        struct kref kref;

        void *bus;
        spinlock_t access_lock;
        struct mutex fw_update_mutex;
        uint32_t fw_update;
        uint32_t op_fw_version;
        uint32_t op_fw_size;
        uint32_t op_fw_seq_size;
        uint32_t diag_fw_version;
        uint32_t gold_fw_version;
};

struct qla_dif_statistics {
        uint64_t dif_input_bytes;
        uint64_t dif_output_bytes;
        uint64_t dif_input_requests;
        uint64_t dif_output_requests;
        uint32_t dif_guard_err;
        uint32_t dif_ref_tag_err;
        uint32_t dif_app_tag_err;
};

struct qla_statistics {
        uint32_t total_isp_aborts;
        uint64_t input_bytes;
        uint64_t output_bytes;
        uint64_t input_requests;
        uint64_t output_requests;
        uint32_t control_requests;

        uint64_t jiffies_at_last_reset;
        uint32_t stat_max_pend_cmds;
        uint32_t stat_max_qfull_cmds_alloc;
        uint32_t stat_max_qfull_cmds_dropped;

        struct qla_dif_statistics qla_dif_stats;
};

struct bidi_statistics {
        unsigned long long io_count;
        unsigned long long transfer_bytes;
};

struct qla_tc_param {
        struct scsi_qla_host *vha;
        uint32_t blk_sz;
        uint32_t bufflen;
        struct scatterlist *sg;
        struct scatterlist *prot_sg;
        struct crc_context *ctx;
        uint8_t *ctx_dsd_alloced;
};

/* Multi queue support */
#define MBC_INITIALIZE_MULTIQ 0x1f
#define QLA_QUE_PAGE 0X1000
#define QLA_MQ_SIZE 32
#define QLA_MAX_QUEUES 256
#define ISP_QUE_REG(ha, id) \
        ((ha->mqenable || IS_QLA83XX(ha) || \
          IS_QLA27XX(ha) || IS_QLA28XX(ha)) ? \
         ((void __iomem *)ha->mqiobase + (QLA_QUE_PAGE * id)) :\
         ((void __iomem *)ha->iobase))
#define QLA_REQ_QUE_ID(tag) \
        ((tag < QLA_MAX_QUEUES && tag > 0) ? tag : 0)
#define QLA_DEFAULT_QUE_QOS 5
#define QLA_PRECONFIG_VPORTS 32
#define QLA_MAX_VPORTS_QLA24XX  128
#define QLA_MAX_VPORTS_QLA25XX  256

struct qla_tgt_counters {
        uint64_t qla_core_sbt_cmd;
        uint64_t core_qla_que_buf;
        uint64_t qla_core_ret_ctio;
        uint64_t core_qla_snd_status;
        uint64_t qla_core_ret_sta_ctio;
        uint64_t core_qla_free_cmd;
        uint64_t num_q_full_sent;
        uint64_t num_alloc_iocb_failed;
        uint64_t num_term_xchg_sent;
};

struct qla_counters {
        uint64_t input_bytes;
        uint64_t input_requests;
        uint64_t output_bytes;
        uint64_t output_requests;

};

struct qla_qpair;

/* Response queue data structure */
struct rsp_que {
        dma_addr_t  dma;
        response_t *ring;
        response_t *ring_ptr;
        __le32  __iomem *rsp_q_in;      /* FWI2-capable only. */
        __le32  __iomem *rsp_q_out;
        uint16_t  ring_index;
        uint16_t  out_ptr;
        uint16_t  *in_ptr;              /* queue shadow in index */
        uint16_t  length;
        uint16_t  options;
        uint16_t  rid;
        uint16_t  id;
        uint16_t  vp_idx;
        struct qla_hw_data *hw;
        struct qla_msix_entry *msix;
        struct req_que *req;
        srb_t *status_srb; /* status continuation entry */
        struct qla_qpair *qpair;

        dma_addr_t  dma_fx00;
        response_t *ring_fx00;
        uint16_t  length_fx00;
        uint8_t rsp_pkt[REQUEST_ENTRY_SIZE];
};

/* Request queue data structure */
struct req_que {
        dma_addr_t  dma;
        request_t *ring;
        request_t *ring_ptr;
        __le32  __iomem *req_q_in;      /* FWI2-capable only. */
        __le32  __iomem *req_q_out;
        uint16_t  ring_index;
        uint16_t  in_ptr;
        uint16_t  *out_ptr;             /* queue shadow out index */
        uint16_t  cnt;
        uint16_t  length;
        uint16_t  options;
        uint16_t  rid;
        uint16_t  id;
        uint16_t  qos;
        uint16_t  vp_idx;
        struct rsp_que *rsp;
        srb_t **outstanding_cmds;
        uint32_t current_outstanding_cmd;
        uint16_t num_outstanding_cmds;
        int max_q_depth;

        dma_addr_t  dma_fx00;
        request_t *ring_fx00;
        uint16_t  length_fx00;
        uint8_t req_pkt[REQUEST_ENTRY_SIZE];
};

struct qla_fw_resources {
        u16 iocbs_total;
        u16 iocbs_limit;
        u16 iocbs_qp_limit;
        u16 iocbs_used;
        u16 exch_total;
        u16 exch_limit;
        u16 exch_used;
        u16 pad;
};

struct qla_fw_res {
        u16      iocb_total;
        u16      iocb_limit;
        atomic_t iocb_used;

        u16      exch_total;
        u16      exch_limit;
        atomic_t exch_used;
};

#define QLA_IOCB_PCT_LIMIT 95

struct  qla_buf_pool {
        u16 num_bufs;
        u16 num_active;
        u16 max_used;
        u16 num_alloc;
        u16 prev_max;
        u16 pad;
        uint32_t take_snapshot:1;
        unsigned long *buf_map;
        void **buf_array;
        dma_addr_t *dma_array;
};

/*Queue pair data structure */
struct qla_qpair {
        spinlock_t qp_lock;
        atomic_t ref_count;
        uint32_t lun_cnt;
        /*
         * For qpair 0, qp_lock_ptr will point at hardware_lock due to
         * legacy code. For other Qpair(s), it will point at qp_lock.
         */
        spinlock_t *qp_lock_ptr;
        struct scsi_qla_host *vha;
        u32 chip_reset;

        /* distill these fields down to 'online=0/1'
         * ha->flags.eeh_busy
         * ha->flags.pci_channel_io_perm_failure
         * base_vha->loop_state
         */
        uint32_t online:1;
        /* move vha->flags.difdix_supported here */
        uint32_t difdix_supported:1;
        uint32_t delete_in_progress:1;
        uint32_t fw_started:1;
        uint32_t enable_class_2:1;
        uint32_t enable_explicit_conf:1;
        uint32_t use_shadow_reg:1;
        uint32_t rcv_intr:1;

        uint16_t id;                    /* qp number used with FW */
        uint16_t vp_idx;                /* vport ID */

        uint16_t dsd_inuse;
        uint16_t dsd_avail;
        struct list_head dsd_list;
#define NUM_DSD_CHAIN 4096

        mempool_t *srb_mempool;

        struct pci_dev  *pdev;
        void (*reqq_start_iocbs)(struct qla_qpair *);

        /* to do: New driver: move queues to here instead of pointers */
        struct req_que *req;
        struct rsp_que *rsp;
        struct atio_que *atio;
        struct qla_msix_entry *msix; /* point to &ha->msix_entries[x] */
        struct qla_hw_data *hw;
        struct work_struct q_work;
        struct qla_counters counters;

        struct list_head qp_list_elem; /* vha->qp_list */
        struct list_head hints_list;

        uint16_t retry_term_cnt;
        __le32  retry_term_exchg_addr;
        uint64_t retry_term_jiff;
        struct qla_tgt_counters tgt_counters;
        uint16_t cpuid;
        bool cpu_mapped;
        struct qla_fw_resources fwres ____cacheline_aligned;
        struct  qla_buf_pool buf_pool;
        u32     cmd_cnt;
        u32     cmd_completion_cnt;
        u32     prev_completion_cnt;
};

/* Place holder for FW buffer parameters */
struct qlfc_fw {
        void *fw_buf;
        dma_addr_t fw_dma;
        uint32_t len;
};

struct rdp_req_payload {
        uint32_t        els_request;
        uint32_t        desc_list_len;

        /* NPIV descriptor */
        struct {
                uint32_t desc_tag;
                uint32_t desc_len;
                uint8_t  reserved;
                uint8_t  nport_id[3];
        } npiv_desc;
};

struct rdp_rsp_payload {
        struct {
                __be32  cmd;
                __be32  len;
        } hdr;

        /* LS Request Info descriptor */
        struct {
                __be32  desc_tag;
                __be32  desc_len;
                __be32  req_payload_word_0;
        } ls_req_info_desc;

        /* LS Request Info descriptor */
        struct {
                __be32  desc_tag;
                __be32  desc_len;
                __be32  req_payload_word_0;
        } ls_req_info_desc2;

        /* SFP diagnostic param descriptor */
        struct {
                __be32  desc_tag;
                __be32  desc_len;
                __be16  temperature;
                __be16  vcc;
                __be16  tx_bias;
                __be16  tx_power;
                __be16  rx_power;
                __be16  sfp_flags;
        } sfp_diag_desc;

        /* Port Speed Descriptor */
        struct {
                __be32  desc_tag;
                __be32  desc_len;
                __be16  speed_capab;
                __be16  operating_speed;
        } port_speed_desc;

        /* Link Error Status Descriptor */
        struct {
                __be32  desc_tag;
                __be32  desc_len;
                __be32  link_fail_cnt;
                __be32  loss_sync_cnt;
                __be32  loss_sig_cnt;
                __be32  prim_seq_err_cnt;
                __be32  inval_xmit_word_cnt;
                __be32  inval_crc_cnt;
                uint8_t  pn_port_phy_type;
                uint8_t  reserved[3];
        } ls_err_desc;

        /* Port name description with diag param */
        struct {
                __be32  desc_tag;
                __be32  desc_len;
                uint8_t WWNN[WWN_SIZE];
                uint8_t WWPN[WWN_SIZE];
        } port_name_diag_desc;

        /* Port Name desc for Direct attached Fx_Port or Nx_Port */
        struct {
                __be32  desc_tag;
                __be32  desc_len;
                uint8_t WWNN[WWN_SIZE];
                uint8_t WWPN[WWN_SIZE];
        } port_name_direct_desc;

        /* Buffer Credit descriptor */
        struct {
                __be32  desc_tag;
                __be32  desc_len;
                __be32  fcport_b2b;
                __be32  attached_fcport_b2b;
                __be32  fcport_rtt;
        } buffer_credit_desc;

        /* Optical Element Data Descriptor */
        struct {
                __be32  desc_tag;
                __be32  desc_len;
                __be16  high_alarm;
                __be16  low_alarm;
                __be16  high_warn;
                __be16  low_warn;
                __be32  element_flags;
        } optical_elmt_desc[5];

        /* Optical Product Data Descriptor */
        struct {
                __be32  desc_tag;
                __be32  desc_len;
                uint8_t  vendor_name[16];
                uint8_t  part_number[16];
                uint8_t  serial_number[16];
                uint8_t  revision[4];
                uint8_t  date[8];
        } optical_prod_desc;
};

#define RDP_DESC_LEN(obj) \
        (sizeof(obj) - sizeof((obj).desc_tag) - sizeof((obj).desc_len))

#define RDP_PORT_SPEED_1GB              BIT_15
#define RDP_PORT_SPEED_2GB              BIT_14
#define RDP_PORT_SPEED_4GB              BIT_13
#define RDP_PORT_SPEED_10GB             BIT_12
#define RDP_PORT_SPEED_8GB              BIT_11
#define RDP_PORT_SPEED_16GB             BIT_10
#define RDP_PORT_SPEED_32GB             BIT_9
#define RDP_PORT_SPEED_64GB             BIT_8
#define RDP_PORT_SPEED_UNKNOWN          BIT_0

struct scsi_qlt_host {
        void *target_lport_ptr;
        struct mutex tgt_mutex;
        struct mutex tgt_host_action_mutex;
        struct qla_tgt *qla_tgt;
};

struct qlt_hw_data {
        /* Protected by hw lock */
        uint32_t node_name_set:1;

        dma_addr_t atio_dma;    /* Physical address. */
        struct atio *atio_ring; /* Base virtual address */
        struct atio *atio_ring_ptr;     /* Current address. */
        uint16_t atio_ring_index; /* Current index. */
        uint16_t atio_q_length;
        __le32 __iomem *atio_q_in;
        __le32 __iomem *atio_q_out;

        const struct qla_tgt_func_tmpl *tgt_ops;

        int saved_set;
        __le16  saved_exchange_count;
        __le32  saved_firmware_options_1;
        __le32  saved_firmware_options_2;
        __le32  saved_firmware_options_3;
        uint8_t saved_firmware_options[2];
        uint8_t saved_add_firmware_options[2];

        uint8_t tgt_node_name[WWN_SIZE];

        struct dentry *dfs_tgt_sess;
        struct dentry *dfs_tgt_port_database;
        struct dentry *dfs_naqp;

        struct list_head q_full_list;
        uint32_t num_pend_cmds;
        uint32_t num_qfull_cmds_alloc;
        uint32_t num_qfull_cmds_dropped;
        spinlock_t q_full_lock;
        uint32_t leak_exchg_thresh_hold;
        spinlock_t sess_lock;
        int num_act_qpairs;
#define DEFAULT_NAQP 2
        spinlock_t atio_lock ____cacheline_aligned;
};

#define MAX_QFULL_CMDS_ALLOC    8192
#define Q_FULL_THRESH_HOLD_PERCENT 90
#define Q_FULL_THRESH_HOLD(ha) \
        ((ha->cur_fw_xcb_count/100) * Q_FULL_THRESH_HOLD_PERCENT)

#define LEAK_EXCHG_THRESH_HOLD_PERCENT 75       /* 75 percent */

struct qla_hw_data_stat {
        u32 num_fw_dump;
        u32 num_mpi_reset;
};

/* refer to pcie_do_recovery reference */
typedef enum {
        QLA_PCI_RESUME,
        QLA_PCI_ERR_DETECTED,
        QLA_PCI_MMIO_ENABLED,
        QLA_PCI_SLOT_RESET,
} pci_error_state_t;
/*
 * Qlogic host adapter specific data structure.
*/
struct qla_hw_data {
        struct pci_dev  *pdev;
        /* SRB cache. */
#define SRB_MIN_REQ     128
        mempool_t       *srb_mempool;
        u8 port_name[WWN_SIZE];

        volatile struct {
                uint32_t        mbox_int                :1;
                uint32_t        mbox_busy               :1;
                uint32_t        disable_risc_code_load  :1;
                uint32_t        enable_64bit_addressing :1;
                uint32_t        enable_lip_reset        :1;
                uint32_t        enable_target_reset     :1;
                uint32_t        enable_lip_full_login   :1;
                uint32_t        enable_led_scheme       :1;

                uint32_t        msi_enabled             :1;
                uint32_t        msix_enabled            :1;
                uint32_t        disable_serdes          :1;
                uint32_t        gpsc_supported          :1;
                uint32_t        npiv_supported          :1;
                uint32_t        pci_channel_io_perm_failure     :1;
                uint32_t        fce_enabled             :1;
                uint32_t        user_enabled_fce        :1;
                uint32_t        fce_dump_buf_alloced    :1;
                uint32_t        fac_supported           :1;

                uint32_t        chip_reset_done         :1;
                uint32_t        running_gold_fw         :1;
                uint32_t        eeh_busy                :1;
                uint32_t        disable_msix_handshake  :1;
                uint32_t        fcp_prio_enabled        :1;
                uint32_t        isp82xx_fw_hung:1;
                uint32_t        nic_core_hung:1;

                uint32_t        quiesce_owner:1;
                uint32_t        nic_core_reset_hdlr_active:1;
                uint32_t        nic_core_reset_owner:1;
                uint32_t        isp82xx_no_md_cap:1;
                uint32_t        host_shutting_down:1;
                uint32_t        idc_compl_status:1;
                uint32_t        mr_reset_hdlr_active:1;
                uint32_t        mr_intr_valid:1;

                uint32_t        dport_enabled:1;
                uint32_t        fawwpn_enabled:1;
                uint32_t        exlogins_enabled:1;
                uint32_t        exchoffld_enabled:1;

                uint32_t        lip_ae:1;
                uint32_t        n2n_ae:1;
                uint32_t        fw_started:1;
                uint32_t        fw_init_done:1;

                uint32_t        lr_detected:1;

                uint32_t        rida_fmt2:1;
                uint32_t        purge_mbox:1;
                uint32_t        n2n_bigger:1;
                uint32_t        secure_adapter:1;
                uint32_t        secure_fw:1;
                                /* Supported by Adapter */
                uint32_t        scm_supported_a:1;
                                /* Supported by Firmware */
                uint32_t        scm_supported_f:1;
                                /* Enabled in Driver */
                uint32_t        scm_enabled:1;
                uint32_t        edif_hw:1;
                uint32_t        edif_enabled:1;
                uint32_t        n2n_fw_acc_sec:1;
                uint32_t        plogi_template_valid:1;
                uint32_t        port_isolated:1;
                uint32_t        eeh_flush:2;
#define EEH_FLUSH_RDY  1
#define EEH_FLUSH_DONE 2
                uint32_t        secure_mcu:1;
        } flags;

        uint16_t max_exchg;
        uint16_t lr_distance;   /* 32G & above */
#define LR_DISTANCE_5K  1
#define LR_DISTANCE_10K 0

        /* This spinlock is used to protect "io transactions", you must
        * acquire it before doing any IO to the card, eg with RD_REG*() and
        * WRT_REG*() for the duration of your entire commandtransaction.
        *
        * This spinlock is of lower priority than the io request lock.
        */

        spinlock_t      hardware_lock ____cacheline_aligned;
        int             bars;
        int             mem_only;
        device_reg_t *iobase;           /* Base I/O address */
        resource_size_t pio_address;

#define MIN_IOBASE_LEN          0x100
        dma_addr_t              bar0_hdl;

        void __iomem *cregbase;
        dma_addr_t              bar2_hdl;
#define BAR0_LEN_FX00                   (1024 * 1024)
#define BAR2_LEN_FX00                   (128 * 1024)

        uint32_t                rqstq_intr_code;
        uint32_t                mbx_intr_code;
        uint32_t                req_que_len;
        uint32_t                rsp_que_len;
        uint32_t                req_que_off;
        uint32_t                rsp_que_off;
        unsigned long           eeh_jif;

        /* Multi queue data structs */
        device_reg_t *mqiobase;
        device_reg_t *msixbase;
        uint16_t        msix_count;
        uint8_t         mqenable;
        struct req_que **req_q_map;
        struct rsp_que **rsp_q_map;
        struct qla_qpair **queue_pair_map;
        struct qla_qpair **qp_cpu_map;
        unsigned long req_qid_map[(QLA_MAX_QUEUES / 8) / sizeof(unsigned long)];
        unsigned long rsp_qid_map[(QLA_MAX_QUEUES / 8) / sizeof(unsigned long)];
        unsigned long qpair_qid_map[(QLA_MAX_QUEUES / 8)
                / sizeof(unsigned long)];
        uint8_t         max_req_queues;
        uint8_t         max_rsp_queues;
        uint8_t         max_qpairs;
        uint8_t         num_qpairs;
        struct qla_qpair *base_qpair;
        struct qla_npiv_entry *npiv_info;
        uint16_t        nvram_npiv_size;

        uint16_t        switch_cap;
#define FLOGI_SEQ_DEL           BIT_8
#define FLOGI_MID_SUPPORT       BIT_10
#define FLOGI_VSAN_SUPPORT      BIT_12
#define FLOGI_SP_SUPPORT        BIT_13

        uint8_t         port_no;                /* Physical port of adapter */
        uint8_t         exch_starvation;

        /* Timeout timers. */
        uint8_t         loop_down_abort_time;    /* port down timer */
        atomic_t        loop_down_timer;         /* loop down timer */
        uint8_t         link_down_timeout;       /* link down timeout */
        uint16_t        max_loop_id;
        uint16_t        max_fibre_devices;      /* Maximum number of targets */

        uint16_t        fb_rev;
        uint16_t        min_external_loopid;    /* First external loop Id */

#define PORT_SPEED_UNKNOWN 0xFFFF
#define PORT_SPEED_1GB  0x00
#define PORT_SPEED_2GB  0x01
#define PORT_SPEED_AUTO 0x02
#define PORT_SPEED_4GB  0x03
#define PORT_SPEED_8GB  0x04
#define PORT_SPEED_16GB 0x05
#define PORT_SPEED_32GB 0x06
#define PORT_SPEED_64GB 0x07
#define PORT_SPEED_10GB 0x13
        uint16_t        link_data_rate;         /* F/W operating speed */
        uint16_t        set_data_rate;          /* Set by user */

        uint8_t         current_topology;
        uint8_t         prev_topology;
#define ISP_CFG_NL      1
#define ISP_CFG_N       2
#define ISP_CFG_FL      4
#define ISP_CFG_F       8

        uint8_t         operating_mode;         /* F/W operating mode */
#define LOOP      0
#define P2P       1
#define LOOP_P2P  2
#define P2P_LOOP  3
        uint8_t         interrupts_on;
        uint32_t        isp_abort_cnt;
#define PCI_DEVICE_ID_QLOGIC_ISP2532    0x2532
#define PCI_DEVICE_ID_QLOGIC_ISP8432    0x8432
#define PCI_DEVICE_ID_QLOGIC_ISP8001    0x8001
#define PCI_DEVICE_ID_QLOGIC_ISP8031    0x8031
#define PCI_DEVICE_ID_QLOGIC_ISP2031    0x2031
#define PCI_DEVICE_ID_QLOGIC_ISP2071    0x2071
#define PCI_DEVICE_ID_QLOGIC_ISP2271    0x2271
#define PCI_DEVICE_ID_QLOGIC_ISP2261    0x2261
#define PCI_DEVICE_ID_QLOGIC_ISP2061    0x2061
#define PCI_DEVICE_ID_QLOGIC_ISP2081    0x2081
#define PCI_DEVICE_ID_QLOGIC_ISP2089    0x2089
#define PCI_DEVICE_ID_QLOGIC_ISP2281    0x2281
#define PCI_DEVICE_ID_QLOGIC_ISP2289    0x2289

        uint32_t        isp_type;
#define DT_ISP2100                      BIT_0
#define DT_ISP2200                      BIT_1
#define DT_ISP2300                      BIT_2
#define DT_ISP2312                      BIT_3
#define DT_ISP2322                      BIT_4
#define DT_ISP6312                      BIT_5
#define DT_ISP6322                      BIT_6
#define DT_ISP2422                      BIT_7
#define DT_ISP2432                      BIT_8
#define DT_ISP5422                      BIT_9
#define DT_ISP5432                      BIT_10
#define DT_ISP2532                      BIT_11
#define DT_ISP8432                      BIT_12
#define DT_ISP8001                      BIT_13
#define DT_ISP8021                      BIT_14
#define DT_ISP2031                      BIT_15
#define DT_ISP8031                      BIT_16
#define DT_ISPFX00                      BIT_17
#define DT_ISP8044                      BIT_18
#define DT_ISP2071                      BIT_19
#define DT_ISP2271                      BIT_20
#define DT_ISP2261                      BIT_21
#define DT_ISP2061                      BIT_22
#define DT_ISP2081                      BIT_23
#define DT_ISP2089                      BIT_24
#define DT_ISP2281                      BIT_25
#define DT_ISP2289                      BIT_26
#define DT_ISP_LAST                     (DT_ISP2289 << 1)

        uint32_t        device_type;
#define DT_T10_PI                       BIT_25
#define DT_IIDMA                        BIT_26
#define DT_FWI2                         BIT_27
#define DT_ZIO_SUPPORTED                BIT_28
#define DT_OEM_001                      BIT_29
#define DT_ISP2200A                     BIT_30
#define DT_EXTENDED_IDS                 BIT_31

#define DT_MASK(ha)     ((ha)->isp_type & (DT_ISP_LAST - 1))
#define IS_QLA2100(ha)  (DT_MASK(ha) & DT_ISP2100)
#define IS_QLA2200(ha)  (DT_MASK(ha) & DT_ISP2200)
#define IS_QLA2300(ha)  (DT_MASK(ha) & DT_ISP2300)
#define IS_QLA2312(ha)  (DT_MASK(ha) & DT_ISP2312)
#define IS_QLA2322(ha)  (DT_MASK(ha) & DT_ISP2322)
#define IS_QLA6312(ha)  (DT_MASK(ha) & DT_ISP6312)
#define IS_QLA6322(ha)  (DT_MASK(ha) & DT_ISP6322)
#define IS_QLA2422(ha)  (DT_MASK(ha) & DT_ISP2422)
#define IS_QLA2432(ha)  (DT_MASK(ha) & DT_ISP2432)
#define IS_QLA5422(ha)  (DT_MASK(ha) & DT_ISP5422)
#define IS_QLA5432(ha)  (DT_MASK(ha) & DT_ISP5432)
#define IS_QLA2532(ha)  (DT_MASK(ha) & DT_ISP2532)
#define IS_QLA8432(ha)  (DT_MASK(ha) & DT_ISP8432)
#define IS_QLA8001(ha)  (DT_MASK(ha) & DT_ISP8001)
#define IS_QLA81XX(ha)  (IS_QLA8001(ha))
#define IS_QLA82XX(ha)  (DT_MASK(ha) & DT_ISP8021)
#define IS_QLA8044(ha)  (DT_MASK(ha) & DT_ISP8044)
#define IS_QLA2031(ha)  (DT_MASK(ha) & DT_ISP2031)
#define IS_QLA8031(ha)  (DT_MASK(ha) & DT_ISP8031)
#define IS_QLAFX00(ha)  (DT_MASK(ha) & DT_ISPFX00)
#define IS_QLA2071(ha)  (DT_MASK(ha) & DT_ISP2071)
#define IS_QLA2271(ha)  (DT_MASK(ha) & DT_ISP2271)
#define IS_QLA2261(ha)  (DT_MASK(ha) & DT_ISP2261)
#define IS_QLA2081(ha)  (DT_MASK(ha) & DT_ISP2081)
#define IS_QLA2281(ha)  (DT_MASK(ha) & DT_ISP2281)

#define IS_QLA23XX(ha)  (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA2322(ha) || \
                        IS_QLA6312(ha) || IS_QLA6322(ha))
#define IS_QLA24XX(ha)  (IS_QLA2422(ha) || IS_QLA2432(ha))
#define IS_QLA54XX(ha)  (IS_QLA5422(ha) || IS_QLA5432(ha))
#define IS_QLA25XX(ha)  (IS_QLA2532(ha))
#define IS_QLA83XX(ha)  (IS_QLA2031(ha) || IS_QLA8031(ha))
#define IS_QLA84XX(ha)  (IS_QLA8432(ha))
#define IS_QLA27XX(ha)  (IS_QLA2071(ha) || IS_QLA2271(ha) || IS_QLA2261(ha))
#define IS_QLA28XX(ha)  (IS_QLA2081(ha) || IS_QLA2281(ha))
#define IS_QLA24XX_TYPE(ha)     (IS_QLA24XX(ha) || IS_QLA54XX(ha) || \
                                IS_QLA84XX(ha))
#define IS_CNA_CAPABLE(ha)      (IS_QLA81XX(ha) || IS_QLA82XX(ha) || \
                                IS_QLA8031(ha) || IS_QLA8044(ha))
#define IS_P3P_TYPE(ha)         (IS_QLA82XX(ha) || IS_QLA8044(ha))
#define IS_QLA2XXX_MIDTYPE(ha)  (IS_QLA24XX(ha) || IS_QLA84XX(ha) || \
                                IS_QLA25XX(ha) || IS_QLA81XX(ha) || \
                                IS_QLA82XX(ha) || IS_QLA83XX(ha) || \
                                IS_QLA8044(ha) || IS_QLA27XX(ha) || \
                                IS_QLA28XX(ha))
#define IS_MSIX_NACK_CAPABLE(ha) (IS_QLA81XX(ha) || IS_QLA83XX(ha) || \
                                IS_QLA27XX(ha) || IS_QLA28XX(ha))
#define IS_NOPOLLING_TYPE(ha)   (IS_QLA81XX(ha) && (ha)->flags.msix_enabled)
#define IS_FAC_REQUIRED(ha)     (IS_QLA81XX(ha) || IS_QLA83XX(ha) || \
                                IS_QLA27XX(ha) || IS_QLA28XX(ha))
#define IS_NOCACHE_VPD_TYPE(ha) (IS_QLA81XX(ha) || IS_QLA83XX(ha) || \
                                IS_QLA27XX(ha) || IS_QLA28XX(ha))
#define IS_ALOGIO_CAPABLE(ha)   (IS_QLA23XX(ha) || IS_FWI2_CAPABLE(ha))

#define IS_T10_PI_CAPABLE(ha)   ((ha)->device_type & DT_T10_PI)
#define IS_IIDMA_CAPABLE(ha)    ((ha)->device_type & DT_IIDMA)
#define IS_FWI2_CAPABLE(ha)     ((ha)->device_type & DT_FWI2)
#define IS_ZIO_SUPPORTED(ha)    ((ha)->device_type & DT_ZIO_SUPPORTED)
#define IS_OEM_001(ha)          ((ha)->device_type & DT_OEM_001)
#define HAS_EXTENDED_IDS(ha)    ((ha)->device_type & DT_EXTENDED_IDS)
#define IS_CT6_SUPPORTED(ha)    ((ha)->device_type & DT_CT6_SUPPORTED)
#define IS_MQUE_CAPABLE(ha)     (IS_QLA83XX(ha) || IS_QLA27XX(ha) || \
                                 IS_QLA28XX(ha))
#define IS_BIDI_CAPABLE(ha) \
    (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
/* Bit 21 of fw_attributes decides the MCTP capabilities */
#define IS_MCTP_CAPABLE(ha)     (IS_QLA2031(ha) && \
                                ((ha)->fw_attributes_ext[0] & BIT_0))
#define QLA_ABTS_FW_ENABLED(_ha)       ((_ha)->fw_attributes_ext[0] & BIT_14)
#define QLA_SRB_NVME_LS(_sp) ((_sp)->type == SRB_NVME_LS)
#define QLA_SRB_NVME_CMD(_sp) ((_sp)->type == SRB_NVME_CMD)
#define QLA_NVME_IOS(_sp) (QLA_SRB_NVME_CMD(_sp) || QLA_SRB_NVME_LS(_sp))
#define QLA_LS_ABTS_WAIT_ENABLED(_sp) \
        (QLA_SRB_NVME_LS(_sp) && QLA_ABTS_FW_ENABLED(_sp->fcport->vha->hw))
#define QLA_CMD_ABTS_WAIT_ENABLED(_sp) \
        (QLA_SRB_NVME_CMD(_sp) && QLA_ABTS_FW_ENABLED(_sp->fcport->vha->hw))
#define QLA_ABTS_WAIT_ENABLED(_sp) \
        (QLA_NVME_IOS(_sp) && QLA_ABTS_FW_ENABLED(_sp->fcport->vha->hw))

#define IS_PI_UNINIT_CAPABLE(ha)        (IS_QLA83XX(ha) || IS_QLA27XX(ha) || \
                                         IS_QLA28XX(ha))
#define IS_PI_IPGUARD_CAPABLE(ha)       (IS_QLA83XX(ha) || IS_QLA27XX(ha) || \
                                         IS_QLA28XX(ha))
#define IS_PI_DIFB_DIX0_CAPABLE(ha)     (0)
#define IS_PI_SPLIT_DET_CAPABLE_HBA(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha) || \
                                        IS_QLA28XX(ha))
#define IS_PI_SPLIT_DET_CAPABLE(ha)     (IS_PI_SPLIT_DET_CAPABLE_HBA(ha) && \
    (((ha)->fw_attributes_h << 16 | (ha)->fw_attributes) & BIT_22))
#define IS_ATIO_MSIX_CAPABLE(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha) || \
                                IS_QLA28XX(ha))
#define IS_TGT_MODE_CAPABLE(ha) (ha->tgt.atio_q_length)
#define IS_SHADOW_REG_CAPABLE(ha)  (IS_QLA27XX(ha) || IS_QLA28XX(ha))
#define IS_DPORT_CAPABLE(ha)  (IS_QLA83XX(ha) || IS_QLA27XX(ha) || \
                                IS_QLA28XX(ha))
#define IS_FAWWN_CAPABLE(ha)    (IS_QLA83XX(ha) || IS_QLA27XX(ha) || \
                                IS_QLA28XX(ha))
#define IS_EXCHG_OFFLD_CAPABLE(ha) \
        (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
#define IS_EXLOGIN_OFFLD_CAPABLE(ha) \
        (IS_QLA25XX(ha) || IS_QLA81XX(ha) || IS_QLA83XX(ha) || \
         IS_QLA27XX(ha) || IS_QLA28XX(ha))
#define USE_ASYNC_SCAN(ha) (IS_QLA25XX(ha) || IS_QLA81XX(ha) ||\
        IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))

#define IS_ZIO_THRESHOLD_CAPABLE(ha) \
        ((IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) &&\
         (ha->zio_mode == QLA_ZIO_MODE_6))

#define IS_QLA28XX_SECURED(ha)  (IS_QLA28XX(ha) && ha->flags.secure_mcu)

        /* HBA serial number */
        uint8_t         serial0;
        uint8_t         serial1;
        uint8_t         serial2;

        /* NVRAM configuration data */
#define MAX_NVRAM_SIZE  4096
#define VPD_OFFSET      (MAX_NVRAM_SIZE / 2)
        uint16_t        nvram_size;
        uint16_t        nvram_base;
        void            *nvram;
        uint16_t        vpd_size;
        uint16_t        vpd_base;
        void            *vpd;

        uint16_t        loop_reset_delay;
        uint8_t         retry_count;
        uint8_t         login_timeout;
        uint16_t        r_a_tov;
        int             port_down_retry_count;
        uint8_t         mbx_count;
        uint8_t         aen_mbx_count;
        atomic_t        num_pend_mbx_stage1;
        atomic_t        num_pend_mbx_stage2;
        uint16_t        frame_payload_size;

        uint32_t        login_retry_count;
        /* SNS command interfaces. */
        ms_iocb_entry_t         *ms_iocb;
        dma_addr_t              ms_iocb_dma;
        struct ct_sns_pkt       *ct_sns;
        dma_addr_t              ct_sns_dma;
        /* SNS command interfaces for 2200. */
        struct sns_cmd_pkt      *sns_cmd;
        dma_addr_t              sns_cmd_dma;

#define SFP_DEV_SIZE    512
#define SFP_BLOCK_SIZE  64
#define SFP_RTDI_LEN    SFP_BLOCK_SIZE

        void            *sfp_data;
        dma_addr_t      sfp_data_dma;

        struct qla_flt_header *flt;
        dma_addr_t      flt_dma;

#define XGMAC_DATA_SIZE 4096
        void            *xgmac_data;
        dma_addr_t      xgmac_data_dma;

#define DCBX_TLV_DATA_SIZE 4096
        void            *dcbx_tlv;
        dma_addr_t      dcbx_tlv_dma;

        struct task_struct      *dpc_thread;
        uint8_t dpc_active;                  /* DPC routine is active */

        dma_addr_t      gid_list_dma;
        struct gid_list_info *gid_list;
        int             gid_list_info_size;

        /* Small DMA pool allocations -- maximum 256 bytes in length. */
#define DMA_POOL_SIZE   256
        struct dma_pool *s_dma_pool;

        dma_addr_t      init_cb_dma;
        init_cb_t       *init_cb;
        int             init_cb_size;
        dma_addr_t      ex_init_cb_dma;
        struct ex_init_cb_81xx *ex_init_cb;
        dma_addr_t      sf_init_cb_dma;
        struct init_sf_cb *sf_init_cb;

        void            *scm_fpin_els_buff;
        uint64_t        scm_fpin_els_buff_size;
        bool            scm_fpin_valid;
        bool            scm_fpin_payload_size;

        void            *async_pd;
        dma_addr_t      async_pd_dma;

#define ENABLE_EXTENDED_LOGIN   BIT_7

        /* Extended Logins  */
        void            *exlogin_buf;
        dma_addr_t      exlogin_buf_dma;
        uint32_t        exlogin_size;

#define ENABLE_EXCHANGE_OFFLD   BIT_2

        /* Exchange Offload */
        void            *exchoffld_buf;
        dma_addr_t      exchoffld_buf_dma;
        int             exchoffld_size;
        int             exchoffld_count;

        /* n2n */
        struct fc_els_flogi plogi_els_payld;

        void            *swl;

        /* These are used by mailbox operations. */
        uint16_t mailbox_out[MAILBOX_REGISTER_COUNT];
        uint32_t mailbox_out32[MAILBOX_REGISTER_COUNT];
        uint32_t aenmb[AEN_MAILBOX_REGISTER_COUNT_FX00];

        mbx_cmd_t       *mcp;
        struct mbx_cmd_32       *mcp32;

        unsigned long   mbx_cmd_flags;
#define MBX_INTERRUPT           1
#define MBX_INTR_WAIT           2
#define MBX_UPDATE_FLASH_ACTIVE 3

        struct mutex vport_lock;        /* Virtual port synchronization */
        spinlock_t vport_slock; /* order is hardware_lock, then vport_slock */
        struct mutex mq_lock;        /* multi-queue synchronization */
        struct completion mbx_cmd_comp; /* Serialize mbx access */
        struct completion mbx_intr_comp;  /* Used for completion notification */
        struct completion dcbx_comp;    /* For set port config notification */
        struct completion lb_portup_comp; /* Used to wait for link up during
                                           * loopback */
#define DCBX_COMP_TIMEOUT       20
#define LB_PORTUP_COMP_TIMEOUT  10

        int notify_dcbx_comp;
        int notify_lb_portup_comp;
        struct mutex selflogin_lock;

        /* Basic firmware related information. */
        uint16_t        fw_major_version;
        uint16_t        fw_minor_version;
        uint16_t        fw_subminor_version;
        uint16_t        fw_attributes;
        uint16_t        fw_attributes_h;
#define FW_ATTR_H_NVME_FBURST   BIT_1
#define FW_ATTR_H_NVME          BIT_10
#define FW_ATTR_H_NVME_UPDATED  BIT_14

        /* About firmware SCM support */
#define FW_ATTR_EXT0_SCM_SUPPORTED      BIT_12
        /* Brocade fabric attached */
#define FW_ATTR_EXT0_SCM_BROCADE        0x00001000
        /* Cisco fabric attached */
#define FW_ATTR_EXT0_SCM_CISCO          0x00002000
#define FW_ATTR_EXT0_NVME2      BIT_13
#define FW_ATTR_EXT0_EDIF       BIT_5
        uint16_t        fw_attributes_ext[2];
        uint32_t        fw_memory_size;
        uint32_t        fw_transfer_size;
        uint32_t        fw_srisc_address;
#define RISC_START_ADDRESS_2100 0x1000
#define RISC_START_ADDRESS_2300 0x800
#define RISC_START_ADDRESS_2400 0x100000

        uint16_t        orig_fw_tgt_xcb_count;
        uint16_t        cur_fw_tgt_xcb_count;
        uint16_t        orig_fw_xcb_count;
        uint16_t        cur_fw_xcb_count;
        uint16_t        orig_fw_iocb_count;
        uint16_t        cur_fw_iocb_count;
        uint16_t        fw_max_fcf_count;

        uint32_t        fw_shared_ram_start;
        uint32_t        fw_shared_ram_end;
        uint32_t        fw_ddr_ram_start;
        uint32_t        fw_ddr_ram_end;

        uint16_t        fw_options[16];         /* slots: 1,2,3,10,11 */
        uint8_t         fw_seriallink_options[4];
        __le16          fw_seriallink_options24[4];

        uint8_t         serdes_version[3];
        uint8_t         mpi_version[3];
        uint32_t        mpi_capabilities;
        uint8_t         phy_version[3];
        uint8_t         pep_version[3];

        /* Firmware dump template */
        struct fwdt {
                void *template;
                ulong length;
                ulong dump_size;
        } fwdt[2];
        struct qla2xxx_fw_dump *fw_dump;
        uint32_t        fw_dump_len;
        u32             fw_dump_alloc_len;
        bool            fw_dumped;
        unsigned long   fw_dump_cap_flags;
#define RISC_PAUSE_CMPL         0
#define DMA_SHUTDOWN_CMPL       1
#define ISP_RESET_CMPL          2
#define RISC_RDY_AFT_RESET      3
#define RISC_SRAM_DUMP_CMPL     4
#define RISC_EXT_MEM_DUMP_CMPL  5
#define ISP_MBX_RDY             6
#define ISP_SOFT_RESET_CMPL     7
        int             fw_dump_reading;
        void            *mpi_fw_dump;
        u32             mpi_fw_dump_len;
        unsigned int    mpi_fw_dump_reading:1;
        unsigned int    mpi_fw_dumped:1;
        int             prev_minidump_failed;
        dma_addr_t      eft_dma;
        void            *eft;
/* Current size of mctp dump is 0x086064 bytes */
#define MCTP_DUMP_SIZE  0x086064
        dma_addr_t      mctp_dump_dma;
        void            *mctp_dump;
        int             mctp_dumped;
        int             mctp_dump_reading;
        uint32_t        chain_offset;
        struct dentry *dfs_dir;
        struct dentry *dfs_fce;
        struct dentry *dfs_tgt_counters;
        struct dentry *dfs_fw_resource_cnt;

        dma_addr_t      fce_dma;
        void            *fce;
        uint32_t        fce_bufs;
        uint16_t        fce_mb[8];
        uint64_t        fce_wr, fce_rd;
        struct mutex    fce_mutex;

        uint32_t        pci_attr;
        uint16_t        chip_revision;

        uint16_t        product_id[4];

        uint8_t         model_number[16+1];
        char            model_desc[80];
        uint8_t         adapter_id[16+1];

        /* Option ROM information. */
        char            *optrom_buffer;
        uint32_t        optrom_size;
        int             optrom_state;
#define QLA_SWAITING    0
#define QLA_SREADING    1
#define QLA_SWRITING    2
        uint32_t        optrom_region_start;
        uint32_t        optrom_region_size;
        struct mutex    optrom_mutex;

/* PCI expansion ROM image information. */
#define ROM_CODE_TYPE_BIOS      0
#define ROM_CODE_TYPE_FCODE     1
#define ROM_CODE_TYPE_EFI       3
        uint8_t         bios_revision[2];
        uint8_t         efi_revision[2];
        uint8_t         fcode_revision[16];
        uint32_t        fw_revision[4];

        uint32_t        gold_fw_version[4];

        /* Offsets for flash/nvram access (set to ~0 if not used). */
        uint32_t        flash_conf_off;
        uint32_t        flash_data_off;
        uint32_t        nvram_conf_off;
        uint32_t        nvram_data_off;

        uint32_t        fdt_wrt_disable;
        uint32_t        fdt_wrt_enable;
        uint32_t        fdt_erase_cmd;
        uint32_t        fdt_block_size;
        uint32_t        fdt_unprotect_sec_cmd;
        uint32_t        fdt_protect_sec_cmd;
        uint32_t        fdt_wrt_sts_reg_cmd;

        struct {
                uint32_t        flt_region_flt;
                uint32_t        flt_region_fdt;
                uint32_t        flt_region_boot;
                uint32_t        flt_region_boot_sec;
                uint32_t        flt_region_fw;
                uint32_t        flt_region_fw_sec;
                uint32_t        flt_region_vpd_nvram;
                uint32_t        flt_region_vpd_nvram_sec;
                uint32_t        flt_region_vpd;
                uint32_t        flt_region_vpd_sec;
                uint32_t        flt_region_nvram;
                uint32_t        flt_region_nvram_sec;
                uint32_t        flt_region_npiv_conf;
                uint32_t        flt_region_gold_fw;
                uint32_t        flt_region_fcp_prio;
                uint32_t        flt_region_bootload;
                uint32_t        flt_region_img_status_pri;
                uint32_t        flt_region_img_status_sec;
                uint32_t        flt_region_aux_img_status_pri;
                uint32_t        flt_region_aux_img_status_sec;
        };
        uint8_t         active_image;
        uint8_t active_tmf;
#define MAX_ACTIVE_TMF 8

        /* Needed for BEACON */
        uint16_t        beacon_blink_led;
        uint8_t         beacon_color_state;
#define QLA_LED_GRN_ON          0x01
#define QLA_LED_YLW_ON          0x02
#define QLA_LED_ABR_ON          0x04
#define QLA_LED_ALL_ON          0x07    /* yellow, green, amber. */
                                        /* ISP2322: red, green, amber. */
        uint16_t        zio_mode;
        uint16_t        zio_timer;

        struct qla_msix_entry *msix_entries;

        struct list_head tmf_pending;
        struct list_head tmf_active;
        struct list_head        vp_list;        /* list of VP */
        unsigned long   vp_idx_map[(MAX_MULTI_ID_FABRIC / 8) /
                        sizeof(unsigned long)];
        uint16_t        num_vhosts;     /* number of vports created */
        uint16_t        num_vsans;      /* number of vsan created */
        uint16_t        max_npiv_vports;        /* 63 or 125 per topoloty */
        int             cur_vport_count;

        struct qla_chip_state_84xx *cs84xx;
        struct isp_operations *isp_ops;
        struct workqueue_struct *wq;
        struct work_struct heartbeat_work;
        struct qlfc_fw fw_buf;
        unsigned long last_heartbeat_run_jiffies;

        /* FCP_CMND priority support */
        struct qla_fcp_prio_cfg *fcp_prio_cfg;

        struct dma_pool *dl_dma_pool;
#define DSD_LIST_DMA_POOL_SIZE  512

        struct dma_pool *fcp_cmnd_dma_pool;
        mempool_t       *ctx_mempool;
#define FCP_CMND_DMA_POOL_SIZE 512

        void __iomem    *nx_pcibase;            /* Base I/O address */
        void __iomem    *nxdb_rd_ptr;           /* Doorbell read pointer */
        void __iomem    *nxdb_wr_ptr;           /* Door bell write pointer */

        uint32_t        crb_win;
        uint32_t        curr_window;
        uint32_t        ddr_mn_window;
        unsigned long   mn_win_crb;
        unsigned long   ms_win_crb;
        int             qdr_sn_window;
        uint32_t        fcoe_dev_init_timeout;
        uint32_t        fcoe_reset_timeout;
        rwlock_t        hw_lock;
        uint16_t        portnum;                /* port number */
        int             link_width;
        struct fw_blob  *hablob;
        struct qla82xx_legacy_intr_set nx_legacy_intr;

        uint8_t fw_type;
        uint32_t file_prd_off;  /* File firmware product offset */

        uint32_t        md_template_size;
        void            *md_tmplt_hdr;
        dma_addr_t      md_tmplt_hdr_dma;
        void            *md_dump;
        uint32_t        md_dump_size;

        void            *loop_id_map;

        /* QLA83XX IDC specific fields */
        uint32_t        idc_audit_ts;
        uint32_t        idc_extend_tmo;

        /* DPC low-priority workqueue */
        struct workqueue_struct *dpc_lp_wq;
        struct work_struct idc_aen;
        /* DPC high-priority workqueue */
        struct workqueue_struct *dpc_hp_wq;
        struct work_struct nic_core_reset;
        struct work_struct idc_state_handler;
        struct work_struct nic_core_unrecoverable;
        struct work_struct board_disable;

        struct mr_data_fx00 mr;
        uint32_t chip_reset;

        struct qlt_hw_data tgt;
        int     allow_cna_fw_dump;
        uint32_t fw_ability_mask;
        uint16_t min_supported_speed;
        uint16_t max_supported_speed;

        /* DMA pool for the DIF bundling buffers */
        struct dma_pool *dif_bundl_pool;
        #define DIF_BUNDLING_DMA_POOL_SIZE  1024
        struct {
                struct {
                        struct list_head head;
                        uint count;
                } good;
                struct {
                        struct list_head head;
                        uint count;
                } unusable;
        } pool;

        unsigned long long dif_bundle_crossed_pages;
        unsigned long long dif_bundle_reads;
        unsigned long long dif_bundle_writes;
        unsigned long long dif_bundle_kallocs;
        unsigned long long dif_bundle_dma_allocs;

        atomic_t        nvme_active_aen_cnt;
        uint16_t        nvme_last_rptd_aen;             /* Last recorded aen count */

        uint8_t fc4_type_priority;

        atomic_t zio_threshold;
        uint16_t last_zio_threshold;

#define DEFAULT_ZIO_THRESHOLD 5

        struct qla_hw_data_stat stat;
        pci_error_state_t pci_error_state;
        struct dma_pool *purex_dma_pool;
        struct btree_head32 host_map;

#define EDIF_NUM_SA_INDEX       512
#define EDIF_TX_SA_INDEX_BASE   EDIF_NUM_SA_INDEX
        void *edif_rx_sa_id_map;
        void *edif_tx_sa_id_map;
        spinlock_t sadb_fp_lock;

        struct list_head sadb_tx_index_list;
        struct list_head sadb_rx_index_list;
        spinlock_t sadb_lock;   /* protects list */
        struct els_reject elsrej;
        u8 edif_post_stop_cnt_down;
        struct qla_vp_map *vp_map;
        struct qla_nvme_fc_rjt lsrjt;
        struct qla_fw_res fwres ____cacheline_aligned;
};

#define RX_ELS_SIZE (roundup(sizeof(struct enode) + ELS_MAX_PAYLOAD, SMP_CACHE_BYTES))

struct active_regions {
        uint8_t global;
        struct {
                uint8_t board_config;
                uint8_t vpd_nvram;
                uint8_t npiv_config_0_1;
                uint8_t npiv_config_2_3;
                uint8_t nvme_params;
        } aux;
};

#define FW_ABILITY_MAX_SPEED_MASK       0xFUL
#define FW_ABILITY_MAX_SPEED_16G        0x0
#define FW_ABILITY_MAX_SPEED_32G        0x1
#define FW_ABILITY_MAX_SPEED(ha)        \
        (ha->fw_ability_mask & FW_ABILITY_MAX_SPEED_MASK)

#define QLA_GET_DATA_RATE       0
#define QLA_SET_DATA_RATE_NOLR  1
#define QLA_SET_DATA_RATE_LR    2 /* Set speed and initiate LR */

#define QLA_DEFAULT_PAYLOAD_SIZE        64
/*
 * This item might be allocated with a size > sizeof(struct purex_item).
 * The "size" variable gives the size of the payload (which
 * is variable) starting at "iocb".
 */
struct purex_item {
        void *purls_context;
        struct list_head list;
        struct scsi_qla_host *vha;
        void (*process_item)(struct scsi_qla_host *vha,
                             struct purex_item *pkt);
        atomic_t in_use;
        uint16_t size;
        struct {
                uint8_t iocb[64];
        } iocb;
};

#include "qla_edif.h"

#define SCM_FLAG_RDF_REJECT             0x00
#define SCM_FLAG_RDF_COMPLETED          0x01

#define QLA_CON_PRIMITIVE_RECEIVED      0x1
#define QLA_CONGESTION_ARB_WARNING      0x1
#define QLA_CONGESTION_ARB_ALARM        0X2

/*
 * Qlogic scsi host structure
 */
typedef struct scsi_qla_host {
        struct list_head list;
        struct list_head vp_fcports;    /* list of fcports */
        struct list_head work_list;
        spinlock_t work_lock;
        struct work_struct iocb_work;

        /* Commonly used flags and state information. */
        struct Scsi_Host *host;
        unsigned long   host_no;
        uint8_t         host_str[16];

        volatile struct {
                uint32_t        init_done               :1;
                uint32_t        online                  :1;
                uint32_t        reset_active            :1;

                uint32_t        management_server_logged_in :1;
                uint32_t        process_response_queue  :1;
                uint32_t        difdix_supported:1;
                uint32_t        delete_progress:1;

                uint32_t        fw_tgt_reported:1;
                uint32_t        bbcr_enable:1;
                uint32_t        qpairs_available:1;
                uint32_t        qpairs_req_created:1;
                uint32_t        qpairs_rsp_created:1;
                uint32_t        nvme_enabled:1;
                uint32_t        nvme_first_burst:1;
                uint32_t        nvme2_enabled:1;
        } flags;

        atomic_t        loop_state;
#define LOOP_TIMEOUT    1
#define LOOP_DOWN       2
#define LOOP_UP         3
#define LOOP_UPDATE     4
#define LOOP_READY      5
#define LOOP_DEAD       6

        unsigned long   buf_expired;
        unsigned long   relogin_jif;
        unsigned long   dpc_flags;
#define RESET_MARKER_NEEDED     0       /* Send marker to ISP. */
#define RESET_ACTIVE            1
#define ISP_ABORT_NEEDED        2       /* Initiate ISP abort. */
#define ABORT_ISP_ACTIVE        3       /* ISP abort in progress. */
#define LOOP_RESYNC_NEEDED      4       /* Device Resync needed. */
#define LOOP_RESYNC_ACTIVE      5
#define LOCAL_LOOP_UPDATE       6       /* Perform a local loop update. */
#define RSCN_UPDATE             7       /* Perform an RSCN update. */
#define RELOGIN_NEEDED          8
#define REGISTER_FC4_NEEDED     9       /* SNS FC4 registration required. */
#define ISP_ABORT_RETRY         10      /* ISP aborted. */
#define BEACON_BLINK_NEEDED     11
#define REGISTER_FDMI_NEEDED    12
#define VP_DPC_NEEDED           14      /* wake up for VP dpc handling */
#define UNLOADING               15
#define NPIV_CONFIG_NEEDED      16
#define ISP_UNRECOVERABLE       17
#define FCOE_CTX_RESET_NEEDED   18      /* Initiate FCoE context reset */
#define MPI_RESET_NEEDED        19      /* Initiate MPI FW reset */
#define ISP_QUIESCE_NEEDED      20      /* Driver need some quiescence */
#define N2N_LINK_RESET          21
#define PORT_UPDATE_NEEDED      22
#define FX00_RESET_RECOVERY     23
#define FX00_TARGET_SCAN        24
#define FX00_CRITEMP_RECOVERY   25
#define FX00_HOST_INFO_RESEND   26
#define QPAIR_ONLINE_CHECK_NEEDED       27
#define DO_EEH_RECOVERY         28
#define DETECT_SFP_CHANGE       29
#define N2N_LOGIN_NEEDED        30
#define IOCB_WORK_ACTIVE        31
#define SET_ZIO_THRESHOLD_NEEDED 32
#define ISP_ABORT_TO_ROM        33
#define VPORT_DELETE            34

#define PROCESS_PUREX_IOCB      63

        unsigned long   pci_flags;
#define PFLG_DISCONNECTED       0       /* PCI device removed */
#define PFLG_DRIVER_REMOVING    1       /* PCI driver .remove */
#define PFLG_DRIVER_PROBING     2       /* PCI driver .probe */

        uint32_t        device_flags;
#define SWITCH_FOUND            BIT_0
#define DFLG_NO_CABLE           BIT_1
#define DFLG_DEV_FAILED         BIT_5

        /* ISP configuration data. */
        uint16_t        loop_id;                /* Host adapter loop id */
        uint16_t        self_login_loop_id;     /* host adapter loop id
                                                 * get it on self login
                                                 */
        fc_port_t       bidir_fcport;           /* fcport used for bidir cmnds
                                                 * no need of allocating it for
                                                 * each command
                                                 */

        port_id_t       d_id;                   /* Host adapter port id */
        uint8_t         marker_needed;
        uint16_t        mgmt_svr_loop_id;



        /* Timeout timers. */
        uint8_t         loop_down_abort_time;    /* port down timer */
        atomic_t        loop_down_timer;         /* loop down timer */
        uint8_t         link_down_timeout;       /* link down timeout */

        uint32_t        timer_active;
        struct timer_list        timer;

        uint8_t         node_name[WWN_SIZE];
        uint8_t         port_name[WWN_SIZE];
        uint8_t         fabric_node_name[WWN_SIZE];
        uint8_t         fabric_port_name[WWN_SIZE];

        struct          nvme_fc_local_port *nvme_local_port;
        struct completion nvme_del_done;

        uint16_t        fcoe_vlan_id;
        uint16_t        fcoe_fcf_idx;
        uint8_t         fcoe_vn_port_mac[6];

        /* list of commands waiting on workqueue */
        struct list_head        qla_cmd_list;
        struct list_head        unknown_atio_list;
        spinlock_t              cmd_list_lock;
        struct delayed_work     unknown_atio_work;

        /* Counter to detect races between ELS and RSCN events */
        atomic_t                generation_tick;
        atomic_t                rscn_gen;
        /* Time when global fcport update has been scheduled */
        int                     total_fcport_update_gen;
        /* List of pending LOGOs, protected by tgt_mutex */
        struct list_head        logo_list;
        /* List of pending PLOGI acks, protected by hw lock */
        struct list_head        plogi_ack_list;

        struct list_head        qp_list;

        uint32_t        vp_abort_cnt;

        struct fc_vport *fc_vport;      /* holds fc_vport * for each vport */
        uint16_t        vp_idx;         /* vport ID */
        struct qla_qpair *qpair;        /* base qpair */

        unsigned long           vp_flags;
#define VP_IDX_ACQUIRED         0       /* bit no 0 */
#define VP_CREATE_NEEDED        1
#define VP_BIND_NEEDED          2
#define VP_DELETE_NEEDED        3
#define VP_SCR_NEEDED           4       /* State Change Request registration */
#define VP_CONFIG_OK            5       /* Flag to cfg VP, if FW is ready */
        atomic_t                vp_state;
#define VP_OFFLINE              0
#define VP_ACTIVE               1
#define VP_FAILED               2
// #define VP_DISABLE           3
        uint16_t        vp_err_state;
        uint16_t        vp_prev_err_state;
#define VP_ERR_UNKWN            0
#define VP_ERR_PORTDWN          1
#define VP_ERR_FAB_UNSUPPORTED  2
#define VP_ERR_FAB_NORESOURCES  3
#define VP_ERR_FAB_LOGOUT       4
#define VP_ERR_ADAP_NORESOURCES 5
        struct qla_hw_data *hw;
        struct scsi_qlt_host vha_tgt;
        struct req_que *req;
        int             fw_heartbeat_counter;
        int             seconds_since_last_heartbeat;
        struct fc_host_statistics fc_host_stat;
        struct qla_statistics qla_stats;
        struct bidi_statistics bidi_stats;
        atomic_t        vref_count;
        struct qla8044_reset_template reset_tmplt;
        uint16_t        bbcr;

        uint16_t u_ql2xexchoffld;
        uint16_t u_ql2xiniexchg;
        uint16_t qlini_mode;
        uint16_t ql2xexchoffld;
        uint16_t ql2xiniexchg;

        struct dentry *dfs_rport_root;

        struct purex_list {
                struct list_head head;
                spinlock_t lock;
        } purex_list;
        struct purex_item default_item;

        struct name_list_extended gnl;
        /* Count of active session/fcport */
        int fcport_count;
        wait_queue_head_t fcport_waitQ;
        wait_queue_head_t vref_waitq;
        uint8_t min_supported_speed;
        uint8_t n2n_node_name[WWN_SIZE];
        uint8_t n2n_port_name[WWN_SIZE];
        uint16_t        n2n_id;
        __le16 dport_data[4];
        struct fab_scan scan;
        uint8_t scm_fabric_connection_flags;

        unsigned int irq_offset;

        u64 hw_err_cnt;
        u64 interface_err_cnt;
        u64 cmd_timeout_cnt;
        u64 reset_cmd_err_cnt;
        u64 link_down_time;
        u64 short_link_down_cnt;
        struct edif_dbell e_dbell;
        struct pur_core pur_cinfo;

#define DPORT_DIAG_IN_PROGRESS                 BIT_0
#define DPORT_DIAG_CHIP_RESET_IN_PROGRESS      BIT_1
        uint16_t dport_status;
} scsi_qla_host_t;

struct qla27xx_image_status {
        uint8_t image_status_mask;
        __le16  generation;
        uint8_t ver_major;
        uint8_t ver_minor;
        uint8_t bitmap;         /* 28xx only */
        uint8_t reserved[2];
        __le32  checksum;
        __le32  signature;
} __packed;

/* 28xx aux image status bimap values */
#define QLA28XX_AUX_IMG_BOARD_CONFIG            BIT_0
#define QLA28XX_AUX_IMG_VPD_NVRAM               BIT_1
#define QLA28XX_AUX_IMG_NPIV_CONFIG_0_1         BIT_2
#define QLA28XX_AUX_IMG_NPIV_CONFIG_2_3         BIT_3
#define QLA28XX_AUX_IMG_NVME_PARAMS             BIT_4

#define SET_VP_IDX      1
#define SET_AL_PA       2
#define RESET_VP_IDX    3
#define RESET_AL_PA     4
struct qla_vp_map {
        uint8_t idx;
        scsi_qla_host_t *vha;
};

struct qla2_sgx {
        dma_addr_t              dma_addr;       /* OUT */
        uint32_t                dma_len;        /* OUT */

        uint32_t                tot_bytes;      /* IN */
        struct scatterlist      *cur_sg;        /* IN */

        /* for book keeping, bzero on initial invocation */
        uint32_t                bytes_consumed;
        uint32_t                num_bytes;
        uint32_t                tot_partial;

        /* for debugging */
        uint32_t                num_sg;
        srb_t                   *sp;
};

#define QLA_FW_STARTED(_ha) {                   \
        int i;                                  \
        _ha->flags.fw_started = 1;              \
        _ha->base_qpair->fw_started = 1;        \
        for (i = 0; i < _ha->max_qpairs; i++) { \
        if (_ha->queue_pair_map[i])     \
        _ha->queue_pair_map[i]->fw_started = 1; \
        }                                       \
}

#define QLA_FW_STOPPED(_ha) {                   \
        int i;                                  \
        _ha->flags.fw_started = 0;              \
        _ha->base_qpair->fw_started = 0;        \
        for (i = 0; i < _ha->max_qpairs; i++) { \
        if (_ha->queue_pair_map[i])     \
        _ha->queue_pair_map[i]->fw_started = 0; \
        }                                       \
}


#define SFUB_CHECKSUM_SIZE      4

struct secure_flash_update_block {
        uint32_t        block_info;
        uint32_t        signature_lo;
        uint32_t        signature_hi;
        uint32_t        signature_upper[0x3e];
};

struct secure_flash_update_block_pk {
        uint32_t        block_info;
        uint32_t        signature_lo;
        uint32_t        signature_hi;
        uint32_t        signature_upper[0x3e];
        uint32_t        public_key[0x41];
};

/*
 * Macros to help code, maintain, etc.
 */
#define LOOP_TRANSITION(ha) \
        (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || \
         test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || \
         atomic_read(&ha->loop_state) == LOOP_DOWN)

#define STATE_TRANSITION(ha) \
                (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || \
                         test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))

static inline bool qla_vha_mark_busy(scsi_qla_host_t *vha)
{
        atomic_inc(&vha->vref_count);
        mb();
        if (vha->flags.delete_progress) {
                atomic_dec(&vha->vref_count);
                wake_up(&vha->vref_waitq);
                return true;
        }
        return false;
}

#define QLA_VHA_MARK_NOT_BUSY(__vha) do {               \
        atomic_dec(&__vha->vref_count);                 \
        wake_up(&__vha->vref_waitq);                    \
} while (0)                                             \

#define QLA_QPAIR_MARK_BUSY(__qpair, __bail) do {       \
        atomic_inc(&__qpair->ref_count);                \
        mb();                                           \
        if (__qpair->delete_in_progress) {              \
                atomic_dec(&__qpair->ref_count);        \
                __bail = 1;                             \
        } else {                                        \
               __bail = 0;                              \
        }                                               \
} while (0)

#define QLA_QPAIR_MARK_NOT_BUSY(__qpair)                \
        atomic_dec(&__qpair->ref_count)

#define QLA_ENA_CONF(_ha) {\
    int i;\
    _ha->base_qpair->enable_explicit_conf = 1;  \
    for (i = 0; i < _ha->max_qpairs; i++) {     \
        if (_ha->queue_pair_map[i])             \
            _ha->queue_pair_map[i]->enable_explicit_conf = 1; \
    }                                           \
}

#define QLA_DIS_CONF(_ha) {\
    int i;\
    _ha->base_qpair->enable_explicit_conf = 0;  \
    for (i = 0; i < _ha->max_qpairs; i++) {     \
        if (_ha->queue_pair_map[i])             \
            _ha->queue_pair_map[i]->enable_explicit_conf = 0; \
    }                                           \
}

/*
 * qla2x00 local function return status codes
 */
#define MBS_MASK                0x3fff

#define QLA_SUCCESS             (MBS_COMMAND_COMPLETE & MBS_MASK)
#define QLA_INVALID_COMMAND     (MBS_INVALID_COMMAND & MBS_MASK)
#define QLA_INTERFACE_ERROR     (MBS_HOST_INTERFACE_ERROR & MBS_MASK)
#define QLA_TEST_FAILED         (MBS_TEST_FAILED & MBS_MASK)
#define QLA_COMMAND_ERROR       (MBS_COMMAND_ERROR & MBS_MASK)
#define QLA_PARAMETER_ERROR     (MBS_COMMAND_PARAMETER_ERROR & MBS_MASK)
#define QLA_PORT_ID_USED        (MBS_PORT_ID_USED & MBS_MASK)
#define QLA_LOOP_ID_USED        (MBS_LOOP_ID_USED & MBS_MASK)
#define QLA_ALL_IDS_IN_USE      (MBS_ALL_IDS_IN_USE & MBS_MASK)
#define QLA_NOT_LOGGED_IN       (MBS_NOT_LOGGED_IN & MBS_MASK)

#define QLA_FUNCTION_TIMEOUT            0x100
#define QLA_FUNCTION_PARAMETER_ERROR    0x101
#define QLA_FUNCTION_FAILED             0x102
#define QLA_MEMORY_ALLOC_FAILED         0x103
#define QLA_LOCK_TIMEOUT                0x104
#define QLA_ABORTED                     0x105
#define QLA_SUSPENDED                   0x106
#define QLA_BUSY                        0x107
#define QLA_ALREADY_REGISTERED          0x109
#define QLA_OS_TIMER_EXPIRED            0x10a
#define QLA_ERR_NO_QPAIR                0x10b
#define QLA_ERR_NOT_FOUND               0x10c
#define QLA_ERR_FROM_FW                 0x10d

#define NVRAM_DELAY()           udelay(10)

/*
 * Flash support definitions
 */
#define OPTROM_SIZE_2300        0x20000
#define OPTROM_SIZE_2322        0x100000
#define OPTROM_SIZE_24XX        0x100000
#define OPTROM_SIZE_25XX        0x200000
#define OPTROM_SIZE_81XX        0x400000
#define OPTROM_SIZE_82XX        0x800000
#define OPTROM_SIZE_83XX        0x1000000
#define OPTROM_SIZE_28XX        0x2000000

#define OPTROM_BURST_SIZE       0x1000
#define OPTROM_BURST_DWORDS     (OPTROM_BURST_SIZE / 4)

#define QLA_DSDS_PER_IOCB       37

#define QLA_SG_ALL      1024

enum nexus_wait_type {
        WAIT_HOST = 0,
        WAIT_TARGET,
        WAIT_LUN,
};

#define INVALID_EDIF_SA_INDEX   0xffff
#define RX_DELETE_NO_EDIF_SA_INDEX      0xfffe

#define QLA_SKIP_HANDLE QLA_TGT_SKIP_HANDLE

/* edif hash element */
struct edif_list_entry {
        uint16_t handle;                        /* nport_handle */
        uint32_t update_sa_index;
        uint32_t delete_sa_index;
        uint32_t count;                         /* counter for filtering sa_index */
#define EDIF_ENTRY_FLAGS_CLEANUP        0x01    /* this index is being cleaned up */
        uint32_t flags;                         /* used by sadb cleanup code */
        fc_port_t *fcport;                      /* needed by rx delay timer function */
        struct timer_list timer;                /* rx delay timer */
        struct list_head next;
};

#define EDIF_TX_INDX_BASE 512
#define EDIF_RX_INDX_BASE 0
#define EDIF_RX_DELETE_FILTER_COUNT 3   /* delay queuing rx delete until this many */

/* entry in the sa_index free pool */

struct sa_index_pair {
        uint16_t sa_index;
        uint32_t spi;
};

/* edif sa_index data structure */
struct edif_sa_index_entry {
        struct sa_index_pair sa_pair[2];
        fc_port_t *fcport;
        uint16_t handle;
        struct list_head next;
};

/* Refer to SNIA SFF 8472 */
struct sff_8247_a0 {
        u8 txid;        /* transceiver id */
        u8 ext_txid;
        u8 connector;
        /* compliance code */
        u8 eth_infi_cc3;        /* ethernet, inifiband */
        u8 sonet_cc4[2];
        u8 eth_cc6;
        /* link length */
#define FC_LL_VL BIT_7  /* very long */
#define FC_LL_S  BIT_6  /* Short */
#define FC_LL_I  BIT_5  /* Intermidiate*/
#define FC_LL_L  BIT_4  /* Long */
#define FC_LL_M  BIT_3  /* Medium */
#define FC_LL_SA BIT_2  /* ShortWave laser */
#define FC_LL_LC BIT_1  /* LongWave laser */
#define FC_LL_EL BIT_0  /* Electrical inter enclosure */
        u8 fc_ll_cc7;
        /* FC technology */
#define FC_TEC_EL BIT_7 /* Electrical inter enclosure */
#define FC_TEC_SN BIT_6 /* short wave w/o OFC */
#define FC_TEC_SL BIT_5 /* short wave with OFC */
#define FC_TEC_LL BIT_4 /* Longwave Laser */
#define FC_TEC_ACT BIT_3        /* Active cable */
#define FC_TEC_PAS BIT_2        /* Passive cable */
        u8 fc_tec_cc8;
        /* Transmission Media */
#define FC_MED_TW BIT_7 /* Twin Ax */
#define FC_MED_TP BIT_6 /* Twited Pair */
#define FC_MED_MI BIT_5 /* Min Coax */
#define FC_MED_TV BIT_4 /* Video Coax */
#define FC_MED_M6 BIT_3 /* Multimode, 62.5um */
#define FC_MED_M5 BIT_2 /* Multimode, 50um */
#define FC_MED_SM BIT_0 /* Single Mode */
        u8 fc_med_cc9;
        /* speed FC_SP_12: 12*100M = 1200 MB/s */
#define FC_SP_12 BIT_7
#define FC_SP_8  BIT_6
#define FC_SP_16 BIT_5
#define FC_SP_4  BIT_4
#define FC_SP_32 BIT_3
#define FC_SP_2  BIT_2
#define FC_SP_1  BIT_0
#define FC_SPEED_2      BIT_1
        u8 fc_sp_cc10;
        u8 encode;
        u8 bitrate;
        u8 rate_id;
        u8 length_km;           /* offset 14/eh */
        u8 length_100m;
        u8 length_50um_10m;
        u8 length_62um_10m;
        u8 length_om4_10m;
        u8 length_om3_10m;
#define SFF_VEN_NAME_LEN 16
        u8 vendor_name[SFF_VEN_NAME_LEN];       /* offset 20/14h */
        u8 tx_compat;
        u8 vendor_oui[3];
#define SFF_PART_NAME_LEN 16
        u8 vendor_pn[SFF_PART_NAME_LEN];        /* part number */
        u8 vendor_rev[4];
        u8 wavelength[2];
#define FC_SP_64        BIT_0
        u8 fiber_channel_speed2;
        u8 cc_base;
        u8 options[2];  /* offset 64 */
        u8 br_max;
        u8 br_min;
        u8 vendor_sn[16];
        u8 date_code[8];
        u8 diag;
        u8 enh_options;
        u8 sff_revision;
        u8 cc_ext;
        u8 vendor_specific[32];
        u8 resv2[128];
};

/* BPM -- Buffer Plus Management support. */
#define IS_BPM_CAPABLE(ha) \
        (IS_QLA25XX(ha) || IS_QLA81XX(ha) || IS_QLA83XX(ha) || \
         IS_QLA27XX(ha) || IS_QLA28XX(ha))
#define IS_BPM_RANGE_CAPABLE(ha) \
        (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
#define IS_BPM_ENABLED(vha) \
        (ql2xautodetectsfp && !vha->vp_idx && IS_BPM_CAPABLE(vha->hw))

#define FLASH_SEMAPHORE_REGISTER_ADDR   0x00101016

#define USER_CTRL_IRQ(_ha) (ql2xuctrlirq && QLA_TGT_MODE_ENABLED() && \
        (IS_QLA27XX(_ha) || IS_QLA28XX(_ha) || IS_QLA83XX(_ha)))

#define SAVE_TOPO(_ha) { \
        if (_ha->current_topology)                              \
                _ha->prev_topology = _ha->current_topology;     \
}

#define N2N_TOPO(ha) \
        ((ha->prev_topology == ISP_CFG_N && !ha->current_topology) || \
         ha->current_topology == ISP_CFG_N || \
         !ha->current_topology)

#define QLA_N2N_WAIT_TIME       5 /* 2 * ra_tov(n2n) + 1 */

#define NVME_TYPE(fcport) \
        (fcport->fc4_type & FS_FC4TYPE_NVME) \

#define FCP_TYPE(fcport) \
        (fcport->fc4_type & FS_FC4TYPE_FCP) \

#define NVME_ONLY_TARGET(fcport) \
        (NVME_TYPE(fcport) && !FCP_TYPE(fcport))  \

#define NVME_FCP_TARGET(fcport) \
        (FCP_TYPE(fcport) && NVME_TYPE(fcport)) \

#define NVME_PRIORITY(ha, fcport) \
        (NVME_FCP_TARGET(fcport) && \
         (ha->fc4_type_priority == FC4_PRIORITY_NVME))

#define NVME_TARGET(ha, fcport) \
        (fcport->do_prli_nvme || \
        NVME_ONLY_TARGET(fcport)) \

#define PRLI_PHASE(_cls) \
        ((_cls == DSC_LS_PRLI_PEND) || (_cls == DSC_LS_PRLI_COMP))

enum ql_vnd_host_stat_action {
        QLA_STOP = 0,
        QLA_START,
        QLA_CLEAR,
};

struct ql_vnd_mng_host_stats_param {
        u32 stat_type;
        enum ql_vnd_host_stat_action action;
} __packed;

struct ql_vnd_mng_host_stats_resp {
        u32 status;
} __packed;

struct ql_vnd_stats_param {
        u32 stat_type;
} __packed;

struct ql_vnd_tgt_stats_param {
        s32 tgt_id;
        u32 stat_type;
} __packed;

enum ql_vnd_host_port_action {
        QLA_ENABLE = 0,
        QLA_DISABLE,
};

struct ql_vnd_mng_host_port_param {
        enum ql_vnd_host_port_action action;
} __packed;

struct ql_vnd_mng_host_port_resp {
        u32 status;
} __packed;

struct ql_vnd_stat_entry {
        u32 stat_type;  /* Failure type */
        u32 tgt_num;    /* Target Num */
        u64 cnt;        /* Counter value */
} __packed;

struct ql_vnd_stats {
        u64 entry_count; /* Num of entries */
        u64 rservd;
        struct ql_vnd_stat_entry entry[]; /* Place holder of entries */
} __packed;

struct ql_vnd_host_stats_resp {
        u32 status;
        struct ql_vnd_stats stats;
} __packed;

struct ql_vnd_tgt_stats_resp {
        u32 status;
        struct ql_vnd_stats stats;
} __packed;

#include "qla_target.h"
#include "qla_gbl.h"
#include "qla_dbg.h"
#include "qla_inline.h"

#define IS_SESSION_DELETED(_fcport) (_fcport->disc_state == DSC_DELETE_PEND || \
                                      _fcport->disc_state == DSC_DELETED)

#define DBG_FCPORT_PRFMT(_fp, _fmt, _args...) \
        "%s: %8phC: " _fmt " (state=%d disc_state=%d scan_state=%d loopid=0x%x deleted=%d flags=0x%x)\n", \
        __func__, _fp->port_name, ##_args, atomic_read(&_fp->state), \
        _fp->disc_state, _fp->scan_state, _fp->loop_id, _fp->deleted, \
        _fp->flags

#define TMF_NOT_READY(_fcport) \
        (!_fcport || IS_SESSION_DELETED(_fcport) || atomic_read(&_fcport->state) != FCS_ONLINE || \
        !_fcport->vha->hw->flags.fw_started)

#endif