/*******************************************************************
 * This file is part of the Emulex Linux Device Driver for         *
 * Fibre Channel Host Bus Adapters.                                *
 * Copyright (C) 2017 Broadcom. All Rights Reserved. The term      *
 * “Broadcom” refers to Broadcom Limited and/or its subsidiaries.  *
 * Copyright (C) 2009-2016 Emulex.  All rights reserved.           *
 * EMULEX and SLI are trademarks of Emulex.                        *
 * www.broadcom.com                                                *
 *                                                                 *
 * This program is free software; you can redistribute it and/or   *
 * modify it under the terms of version 2 of the GNU General       *
 * Public License as published by the Free Software Foundation.    *
 * This program is distributed in the hope that it will be useful. *
 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
 * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
 * more details, a copy of which can be found in the file COPYING  *
 * included with this package.                                     *
 *******************************************************************/

#define LPFC_ACTIVE_MBOX_WAIT_CNT               100
#define LPFC_XRI_EXCH_BUSY_WAIT_TMO             10000
#define LPFC_XRI_EXCH_BUSY_WAIT_T1              10
#define LPFC_XRI_EXCH_BUSY_WAIT_T2              30000
#define LPFC_RPI_LOW_WATER_MARK                 10

#define LPFC_UNREG_FCF                          1
#define LPFC_SKIP_UNREG_FCF                     0

/* Amount of time in seconds for waiting FCF rediscovery to complete */
#define LPFC_FCF_REDISCOVER_WAIT_TMO            2000 /* msec */

/* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
#define LPFC_NEMBED_MBOX_SGL_CNT                254

/* Multi-queue arrangement for FCP EQ/CQ/WQ tuples */
#define LPFC_HBA_IO_CHAN_MIN    0
#define LPFC_HBA_IO_CHAN_MAX    32
#define LPFC_FCP_IO_CHAN_DEF    4
#define LPFC_NVME_IO_CHAN_DEF   0

/* Number of channels used for Flash Optimized Fabric (FOF) operations */

#define LPFC_FOF_IO_CHAN_NUM       1

/*
 * Provide the default FCF Record attributes used by the driver
 * when nonFIP mode is configured and there is no other default
 * FCF Record attributes.
 */
#define LPFC_FCOE_FCF_DEF_INDEX 0
#define LPFC_FCOE_FCF_GET_FIRST 0xFFFF
#define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF

#define LPFC_FCOE_NULL_VID      0xFFF
#define LPFC_FCOE_IGNORE_VID    0xFFFF

/* First 3 bytes of default FCF MAC is specified by FC_MAP */
#define LPFC_FCOE_FCF_MAC3      0xFF
#define LPFC_FCOE_FCF_MAC4      0xFF
#define LPFC_FCOE_FCF_MAC5      0xFE
#define LPFC_FCOE_FCF_MAP0      0x0E
#define LPFC_FCOE_FCF_MAP1      0xFC
#define LPFC_FCOE_FCF_MAP2      0x00
#define LPFC_FCOE_MAX_RCV_SIZE  0x800
#define LPFC_FCOE_FKA_ADV_PER   0
#define LPFC_FCOE_FIP_PRIORITY  0x80

#define sli4_sid_from_fc_hdr(fc_hdr)  \
        ((fc_hdr)->fh_s_id[0] << 16 | \
         (fc_hdr)->fh_s_id[1] <<  8 | \
         (fc_hdr)->fh_s_id[2])

#define sli4_did_from_fc_hdr(fc_hdr)  \
        ((fc_hdr)->fh_d_id[0] << 16 | \
         (fc_hdr)->fh_d_id[1] <<  8 | \
         (fc_hdr)->fh_d_id[2])

#define sli4_fctl_from_fc_hdr(fc_hdr)  \
        ((fc_hdr)->fh_f_ctl[0] << 16 | \
         (fc_hdr)->fh_f_ctl[1] <<  8 | \
         (fc_hdr)->fh_f_ctl[2])

#define sli4_type_from_fc_hdr(fc_hdr)  \
        ((fc_hdr)->fh_type)

#define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000

#define INT_FW_UPGRADE  0
#define RUN_FW_UPGRADE  1

enum lpfc_sli4_queue_type {
        LPFC_EQ,
        LPFC_GCQ,
        LPFC_MCQ,
        LPFC_WCQ,
        LPFC_RCQ,
        LPFC_MQ,
        LPFC_WQ,
        LPFC_HRQ,
        LPFC_DRQ
};

/* The queue sub-type defines the functional purpose of the queue */
enum lpfc_sli4_queue_subtype {
        LPFC_NONE,
        LPFC_MBOX,
        LPFC_FCP,
        LPFC_ELS,
        LPFC_NVME,
        LPFC_NVMET,
        LPFC_NVME_LS,
        LPFC_USOL
};

union sli4_qe {
        void *address;
        struct lpfc_eqe *eqe;
        struct lpfc_cqe *cqe;
        struct lpfc_mcqe *mcqe;
        struct lpfc_wcqe_complete *wcqe_complete;
        struct lpfc_wcqe_release *wcqe_release;
        struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
        struct lpfc_rcqe_complete *rcqe_complete;
        struct lpfc_mqe *mqe;
        union  lpfc_wqe *wqe;
        union  lpfc_wqe128 *wqe128;
        struct lpfc_rqe *rqe;
};

/* RQ buffer list */
struct lpfc_rqb {
        uint16_t entry_count;     /* Current number of RQ slots */
        uint16_t buffer_count;    /* Current number of buffers posted */
        struct list_head rqb_buffer_list;  /* buffers assigned to this HBQ */
                                  /* Callback for HBQ buffer allocation */
        struct rqb_dmabuf *(*rqb_alloc_buffer)(struct lpfc_hba *);
                                  /* Callback for HBQ buffer free */
        void               (*rqb_free_buffer)(struct lpfc_hba *,
                                               struct rqb_dmabuf *);
};

struct lpfc_queue {
        struct list_head list;
        struct list_head wq_list;
        enum lpfc_sli4_queue_type type;
        enum lpfc_sli4_queue_subtype subtype;
        struct lpfc_hba *phba;
        struct list_head child_list;
        struct list_head page_list;
        struct list_head sgl_list;
        uint32_t entry_count;   /* Number of entries to support on the queue */
        uint32_t entry_size;    /* Size of each queue entry. */
        uint32_t entry_repost;  /* Count of entries before doorbell is rung */
#define LPFC_EQ_REPOST          8
#define LPFC_MQ_REPOST          8
#define LPFC_CQ_REPOST          64
#define LPFC_RQ_REPOST          64
#define LPFC_MAX_ISR_CQE        64
#define LPFC_RELEASE_NOTIFICATION_INTERVAL      32  /* For WQs */
        uint32_t queue_id;      /* Queue ID assigned by the hardware */
        uint32_t assoc_qid;     /* Queue ID associated with, for CQ/WQ/MQ */
        uint32_t page_count;    /* Number of pages allocated for this queue */
        uint32_t host_index;    /* The host's index for putting or getting */
        uint32_t hba_index;     /* The last known hba index for get or put */

        struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */
        struct lpfc_rqb *rqbp;  /* ptr to RQ buffers */

        uint32_t q_mode;
        uint16_t db_format;
#define LPFC_DB_RING_FORMAT     0x01
#define LPFC_DB_LIST_FORMAT     0x02
        void __iomem *db_regaddr;
        /* For q stats */
        uint32_t q_cnt_1;
        uint32_t q_cnt_2;
        uint32_t q_cnt_3;
        uint64_t q_cnt_4;
/* defines for EQ stats */
#define EQ_max_eqe              q_cnt_1
#define EQ_no_entry             q_cnt_2
#define EQ_cqe_cnt              q_cnt_3
#define EQ_processed            q_cnt_4

/* defines for CQ stats */
#define CQ_mbox                 q_cnt_1
#define CQ_max_cqe              q_cnt_1
#define CQ_release_wqe          q_cnt_2
#define CQ_xri_aborted          q_cnt_3
#define CQ_wq                   q_cnt_4

/* defines for WQ stats */
#define WQ_overflow             q_cnt_1
#define WQ_posted               q_cnt_4

/* defines for RQ stats */
#define RQ_no_posted_buf        q_cnt_1
#define RQ_no_buf_found         q_cnt_2
#define RQ_buf_posted           q_cnt_3
#define RQ_rcv_buf              q_cnt_4

        uint64_t isr_timestamp;
        struct lpfc_queue *assoc_qp;
        union sli4_qe qe[1];    /* array to index entries (must be last) */
};

struct lpfc_sli4_link {
        uint16_t speed;
        uint8_t duplex;
        uint8_t status;
        uint8_t type;
        uint8_t number;
        uint8_t fault;
        uint16_t logical_speed;
        uint16_t topology;
};

struct lpfc_fcf_rec {
        uint8_t  fabric_name[8];
        uint8_t  switch_name[8];
        uint8_t  mac_addr[6];
        uint16_t fcf_indx;
        uint32_t priority;
        uint16_t vlan_id;
        uint32_t addr_mode;
        uint32_t flag;
#define BOOT_ENABLE     0x01
#define RECORD_VALID    0x02
};

struct lpfc_fcf_pri_rec {
        uint16_t fcf_index;
#define LPFC_FCF_ON_PRI_LIST 0x0001
#define LPFC_FCF_FLOGI_FAILED 0x0002
        uint16_t flag;
        uint32_t priority;
};

struct lpfc_fcf_pri {
        struct list_head list;
        struct lpfc_fcf_pri_rec fcf_rec;
};

/*
 * Maximum FCF table index, it is for driver internal book keeping, it
 * just needs to be no less than the supported HBA's FCF table size.
 */
#define LPFC_SLI4_FCF_TBL_INDX_MAX      32

struct lpfc_fcf {
        uint16_t fcfi;
        uint32_t fcf_flag;
#define FCF_AVAILABLE   0x01 /* FCF available for discovery */
#define FCF_REGISTERED  0x02 /* FCF registered with FW */
#define FCF_SCAN_DONE   0x04 /* FCF table scan done */
#define FCF_IN_USE      0x08 /* Atleast one discovery completed */
#define FCF_INIT_DISC   0x10 /* Initial FCF discovery */
#define FCF_DEAD_DISC   0x20 /* FCF DEAD fast FCF failover discovery */
#define FCF_ACVL_DISC   0x40 /* All CVL fast FCF failover discovery */
#define FCF_DISCOVERY   (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
#define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
#define FCF_REDISC_EVT  0x100 /* FCF rediscovery event to worker thread */
#define FCF_REDISC_FOV  0x200 /* Post FCF rediscovery fast failover */
#define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
        uint32_t addr_mode;
        uint32_t eligible_fcf_cnt;
        struct lpfc_fcf_rec current_rec;
        struct lpfc_fcf_rec failover_rec;
        struct list_head fcf_pri_list;
        struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
        uint32_t current_fcf_scan_pri;
        struct timer_list redisc_wait;
        unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
};


#define LPFC_REGION23_SIGNATURE "RG23"
#define LPFC_REGION23_VERSION   1
#define LPFC_REGION23_LAST_REC  0xff
#define DRIVER_SPECIFIC_TYPE    0xA2
#define LINUX_DRIVER_ID         0x20
#define PORT_STE_TYPE           0x1

struct lpfc_fip_param_hdr {
        uint8_t type;
#define FCOE_PARAM_TYPE         0xA0
        uint8_t length;
#define FCOE_PARAM_LENGTH       2
        uint8_t parm_version;
#define FIPP_VERSION            0x01
        uint8_t parm_flags;
#define lpfc_fip_param_hdr_fipp_mode_SHIFT      6
#define lpfc_fip_param_hdr_fipp_mode_MASK       0x3
#define lpfc_fip_param_hdr_fipp_mode_WORD       parm_flags
#define FIPP_MODE_ON                            0x1
#define FIPP_MODE_OFF                           0x0
#define FIPP_VLAN_VALID                         0x1
};

struct lpfc_fcoe_params {
        uint8_t fc_map[3];
        uint8_t reserved1;
        uint16_t vlan_tag;
        uint8_t reserved[2];
};

struct lpfc_fcf_conn_hdr {
        uint8_t type;
#define FCOE_CONN_TBL_TYPE              0xA1
        uint8_t length;   /* words */
        uint8_t reserved[2];
};

struct lpfc_fcf_conn_rec {
        uint16_t flags;
#define FCFCNCT_VALID           0x0001
#define FCFCNCT_BOOT            0x0002
#define FCFCNCT_PRIMARY         0x0004   /* if not set, Secondary */
#define FCFCNCT_FBNM_VALID      0x0008
#define FCFCNCT_SWNM_VALID      0x0010
#define FCFCNCT_VLAN_VALID      0x0020
#define FCFCNCT_AM_VALID        0x0040
#define FCFCNCT_AM_PREFERRED    0x0080   /* if not set, AM Required */
#define FCFCNCT_AM_SPMA         0x0100   /* if not set, FPMA */

        uint16_t vlan_tag;
        uint8_t fabric_name[8];
        uint8_t switch_name[8];
};

struct lpfc_fcf_conn_entry {
        struct list_head list;
        struct lpfc_fcf_conn_rec conn_rec;
};

/*
 * Define the host's bootstrap mailbox.  This structure contains
 * the member attributes needed to create, use, and destroy the
 * bootstrap mailbox region.
 *
 * The macro definitions for the bmbx data structure are defined
 * in lpfc_hw4.h with the register definition.
 */
struct lpfc_bmbx {
        struct lpfc_dmabuf *dmabuf;
        struct dma_address dma_address;
        void *avirt;
        dma_addr_t aphys;
        uint32_t bmbx_size;
};

#define LPFC_EQE_SIZE LPFC_EQE_SIZE_4

#define LPFC_EQE_SIZE_4B        4
#define LPFC_EQE_SIZE_16B       16
#define LPFC_CQE_SIZE           16
#define LPFC_WQE_SIZE           64
#define LPFC_WQE128_SIZE        128
#define LPFC_MQE_SIZE           256
#define LPFC_RQE_SIZE           8

#define LPFC_EQE_DEF_COUNT      1024
#define LPFC_CQE_DEF_COUNT      1024
#define LPFC_WQE_DEF_COUNT      256
#define LPFC_WQE128_DEF_COUNT   128
#define LPFC_WQE128_MAX_COUNT   256
#define LPFC_MQE_DEF_COUNT      16
#define LPFC_RQE_DEF_COUNT      512

#define LPFC_QUEUE_NOARM        false
#define LPFC_QUEUE_REARM        true


/*
 * SLI4 CT field defines
 */
#define SLI4_CT_RPI 0
#define SLI4_CT_VPI 1
#define SLI4_CT_VFI 2
#define SLI4_CT_FCFI 3

/*
 * SLI4 specific data structures
 */
struct lpfc_max_cfg_param {
        uint16_t max_xri;
        uint16_t xri_base;
        uint16_t xri_used;
        uint16_t max_rpi;
        uint16_t rpi_base;
        uint16_t rpi_used;
        uint16_t max_vpi;
        uint16_t vpi_base;
        uint16_t vpi_used;
        uint16_t max_vfi;
        uint16_t vfi_base;
        uint16_t vfi_used;
        uint16_t max_fcfi;
        uint16_t fcfi_used;
        uint16_t max_eq;
        uint16_t max_rq;
        uint16_t max_cq;
        uint16_t max_wq;
};

struct lpfc_hba;
/* SLI4 HBA multi-fcp queue handler struct */
#define LPFC_SLI4_HANDLER_NAME_SZ       16
struct lpfc_hba_eq_hdl {
        uint32_t idx;
        char handler_name[LPFC_SLI4_HANDLER_NAME_SZ];
        struct lpfc_hba *phba;
        atomic_t hba_eq_in_use;
        struct cpumask *cpumask;
        /* CPU affinitsed to or 0xffffffff if multiple */
        uint32_t cpu;
#define LPFC_MULTI_CPU_AFFINITY 0xffffffff
};

/*BB Credit recovery value*/
struct lpfc_bbscn_params {
        uint32_t word0;
#define lpfc_bbscn_min_SHIFT            0
#define lpfc_bbscn_min_MASK             0x0000000F
#define lpfc_bbscn_min_WORD             word0
#define lpfc_bbscn_max_SHIFT            4
#define lpfc_bbscn_max_MASK             0x0000000F
#define lpfc_bbscn_max_WORD             word0
#define lpfc_bbscn_def_SHIFT            8
#define lpfc_bbscn_def_MASK             0x0000000F
#define lpfc_bbscn_def_WORD             word0
};

/* Port Capabilities for SLI4 Parameters */
struct lpfc_pc_sli4_params {
        uint32_t supported;
        uint32_t if_type;
        uint32_t sli_rev;
        uint32_t sli_family;
        uint32_t featurelevel_1;
        uint32_t featurelevel_2;
        uint32_t proto_types;
#define LPFC_SLI4_PROTO_FCOE    0x0000001
#define LPFC_SLI4_PROTO_FC      0x0000002
#define LPFC_SLI4_PROTO_NIC     0x0000004
#define LPFC_SLI4_PROTO_ISCSI   0x0000008
#define LPFC_SLI4_PROTO_RDMA    0x0000010
        uint32_t sge_supp_len;
        uint32_t if_page_sz;
        uint32_t rq_db_window;
        uint32_t loopbk_scope;
        uint32_t oas_supported;
        uint32_t eq_pages_max;
        uint32_t eqe_size;
        uint32_t cq_pages_max;
        uint32_t cqe_size;
        uint32_t mq_pages_max;
        uint32_t mqe_size;
        uint32_t mq_elem_cnt;
        uint32_t wq_pages_max;
        uint32_t wqe_size;
        uint32_t rq_pages_max;
        uint32_t rqe_size;
        uint32_t hdr_pages_max;
        uint32_t hdr_size;
        uint32_t hdr_pp_align;
        uint32_t sgl_pages_max;
        uint32_t sgl_pp_align;
        uint8_t cqv;
        uint8_t mqv;
        uint8_t wqv;
        uint8_t rqv;
        uint8_t wqsize;
#define LPFC_WQ_SZ64_SUPPORT    1
#define LPFC_WQ_SZ128_SUPPORT   2
        uint8_t wqpcnt;
};

struct lpfc_iov {
        uint32_t pf_number;
        uint32_t vf_number;
};

struct lpfc_sli4_lnk_info {
        uint8_t lnk_dv;
#define LPFC_LNK_DAT_INVAL      0
#define LPFC_LNK_DAT_VAL        1
        uint8_t lnk_tp;
#define LPFC_LNK_GE     0x0 /* FCoE */
#define LPFC_LNK_FC     0x1 /* FC   */
        uint8_t lnk_no;
        uint8_t optic_state;
};

#define LPFC_SLI4_HANDLER_CNT           (LPFC_HBA_IO_CHAN_MAX+ \
                                         LPFC_FOF_IO_CHAN_NUM)

/* Used for IRQ vector to CPU mapping */
struct lpfc_vector_map_info {
        uint16_t        phys_id;
        uint16_t        core_id;
        uint16_t        irq;
        uint16_t        channel_id;
};
#define LPFC_VECTOR_MAP_EMPTY   0xffff

/* SLI4 HBA data structure entries */
struct lpfc_sli4_hba {
        void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
                                             PCI BAR0, config space registers */
        void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
                                             PCI BAR1, control registers */
        void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
                                             PCI BAR2, doorbell registers */
        union {
                struct {
                        /* IF Type 0, BAR 0 PCI cfg space reg mem map */
                        void __iomem *UERRLOregaddr;
                        void __iomem *UERRHIregaddr;
                        void __iomem *UEMASKLOregaddr;
                        void __iomem *UEMASKHIregaddr;
                } if_type0;
                struct {
                        /* IF Type 2, BAR 0 PCI cfg space reg mem map. */
                        void __iomem *STATUSregaddr;
                        void __iomem *CTRLregaddr;
                        void __iomem *ERR1regaddr;
#define SLIPORT_ERR1_REG_ERR_CODE_1             0x1
#define SLIPORT_ERR1_REG_ERR_CODE_2             0x2
                        void __iomem *ERR2regaddr;
#define SLIPORT_ERR2_REG_FW_RESTART             0x0
#define SLIPORT_ERR2_REG_FUNC_PROVISON          0x1
#define SLIPORT_ERR2_REG_FORCED_DUMP            0x2
#define SLIPORT_ERR2_REG_FAILURE_EQ             0x3
#define SLIPORT_ERR2_REG_FAILURE_CQ             0x4
#define SLIPORT_ERR2_REG_FAILURE_BUS            0x5
#define SLIPORT_ERR2_REG_FAILURE_RQ             0x6
                        void __iomem *EQDregaddr;
                } if_type2;
        } u;

        /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
        void __iomem *PSMPHRregaddr;

        /* Well-known SLI INTF register memory map. */
        void __iomem *SLIINTFregaddr;

        /* IF type 0, BAR 1 function CSR register memory map */
        void __iomem *ISRregaddr;       /* HST_ISR register */
        void __iomem *IMRregaddr;       /* HST_IMR register */
        void __iomem *ISCRregaddr;      /* HST_ISCR register */
        /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
        void __iomem *RQDBregaddr;      /* RQ_DOORBELL register */
        void __iomem *WQDBregaddr;      /* WQ_DOORBELL register */
        void __iomem *EQCQDBregaddr;    /* EQCQ_DOORBELL register */
        void __iomem *MQDBregaddr;      /* MQ_DOORBELL register */
        void __iomem *BMBXregaddr;      /* BootStrap MBX register */

        uint32_t ue_mask_lo;
        uint32_t ue_mask_hi;
        uint32_t ue_to_sr;
        uint32_t ue_to_rp;
        struct lpfc_register sli_intf;
        struct lpfc_pc_sli4_params pc_sli4_params;
        struct lpfc_bbscn_params bbscn_params;
        struct lpfc_hba_eq_hdl *hba_eq_hdl; /* HBA per-WQ handle */

        /* Pointers to the constructed SLI4 queues */
        struct lpfc_queue **hba_eq;  /* Event queues for HBA */
        struct lpfc_queue **fcp_cq;  /* Fast-path FCP compl queue */
        struct lpfc_queue **nvme_cq; /* Fast-path NVME compl queue */
        struct lpfc_queue **nvmet_cqset; /* Fast-path NVMET CQ Set queues */
        struct lpfc_queue **nvmet_mrq_hdr; /* Fast-path NVMET hdr MRQs */
        struct lpfc_queue **nvmet_mrq_data; /* Fast-path NVMET data MRQs */
        struct lpfc_queue **fcp_wq;  /* Fast-path FCP work queue */
        struct lpfc_queue **nvme_wq; /* Fast-path NVME work queue */
        uint16_t *fcp_cq_map;
        uint16_t *nvme_cq_map;
        struct list_head lpfc_wq_list;

        struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
        struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
        struct lpfc_queue *nvmels_cq; /* NVME LS complete queue */
        struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
        struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
        struct lpfc_queue *nvmels_wq; /* NVME LS work queue */
        struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
        struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */

        struct lpfc_name wwnn;
        struct lpfc_name wwpn;

        uint32_t fw_func_mode;  /* FW function protocol mode */
        uint32_t ulp0_mode;     /* ULP0 protocol mode */
        uint32_t ulp1_mode;     /* ULP1 protocol mode */

        struct lpfc_queue *fof_eq; /* Flash Optimized Fabric Event queue */

        /* Optimized Access Storage specific queues/structures */

        struct lpfc_queue *oas_cq; /* OAS completion queue */
        struct lpfc_queue *oas_wq; /* OAS Work queue */
        struct lpfc_sli_ring *oas_ring;
        uint64_t oas_next_lun;
        uint8_t oas_next_tgt_wwpn[8];
        uint8_t oas_next_vpt_wwpn[8];

        /* Setup information for various queue parameters */
        int eq_esize;
        int eq_ecount;
        int cq_esize;
        int cq_ecount;
        int wq_esize;
        int wq_ecount;
        int mq_esize;
        int mq_ecount;
        int rq_esize;
        int rq_ecount;
#define LPFC_SP_EQ_MAX_INTR_SEC         10000
#define LPFC_FP_EQ_MAX_INTR_SEC         10000

        uint32_t intr_enable;
        struct lpfc_bmbx bmbx;
        struct lpfc_max_cfg_param max_cfg_param;
        uint16_t extents_in_use; /* must allocate resource extents. */
        uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
        uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
        uint16_t next_rpi;
        uint16_t nvme_xri_max;
        uint16_t nvme_xri_cnt;
        uint16_t nvme_xri_start;
        uint16_t scsi_xri_max;
        uint16_t scsi_xri_cnt;
        uint16_t scsi_xri_start;
        uint16_t els_xri_cnt;
        uint16_t nvmet_xri_cnt;
        uint16_t nvmet_io_wait_cnt;
        uint16_t nvmet_io_wait_total;
        struct list_head lpfc_els_sgl_list;
        struct list_head lpfc_abts_els_sgl_list;
        struct list_head lpfc_nvmet_sgl_list;
        struct list_head lpfc_abts_nvmet_ctx_list;
        struct list_head lpfc_abts_scsi_buf_list;
        struct list_head lpfc_abts_nvme_buf_list;
        struct list_head lpfc_nvmet_io_wait_list;
        struct lpfc_nvmet_ctx_info *nvmet_ctx_info;
        struct lpfc_sglq **lpfc_sglq_active_list;
        struct list_head lpfc_rpi_hdr_list;
        unsigned long *rpi_bmask;
        uint16_t *rpi_ids;
        uint16_t rpi_count;
        struct list_head lpfc_rpi_blk_list;
        unsigned long *xri_bmask;
        uint16_t *xri_ids;
        struct list_head lpfc_xri_blk_list;
        unsigned long *vfi_bmask;
        uint16_t *vfi_ids;
        uint16_t vfi_count;
        struct list_head lpfc_vfi_blk_list;
        struct lpfc_sli4_flags sli4_flags;
        struct list_head sp_queue_event;
        struct list_head sp_cqe_event_pool;
        struct list_head sp_asynce_work_queue;
        struct list_head sp_fcp_xri_aborted_work_queue;
        struct list_head sp_els_xri_aborted_work_queue;
        struct list_head sp_nvme_xri_aborted_work_queue;
        struct list_head sp_unsol_work_queue;
        struct lpfc_sli4_link link_state;
        struct lpfc_sli4_lnk_info lnk_info;
        uint32_t pport_name_sta;
#define LPFC_SLI4_PPNAME_NON    0
#define LPFC_SLI4_PPNAME_GET    1
        struct lpfc_iov iov;
        spinlock_t abts_nvme_buf_list_lock; /* list of aborted SCSI IOs */
        spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
        spinlock_t sgl_list_lock; /* list of aborted els IOs */
        spinlock_t nvmet_io_wait_lock; /* IOs waiting for ctx resources */
        uint32_t physical_port;

        /* CPU to vector mapping information */
        struct lpfc_vector_map_info *cpu_map;
        uint16_t num_online_cpu;
        uint16_t num_present_cpu;
        uint16_t curr_disp_cpu;
};

enum lpfc_sge_type {
        GEN_BUFF_TYPE,
        SCSI_BUFF_TYPE,
        NVMET_BUFF_TYPE
};

enum lpfc_sgl_state {
        SGL_FREED,
        SGL_ALLOCATED,
        SGL_XRI_ABORTED
};

struct lpfc_sglq {
        /* lpfc_sglqs are used in double linked lists */
        struct list_head list;
        struct list_head clist;
        enum lpfc_sge_type buff_type; /* is this a scsi sgl */
        enum lpfc_sgl_state state;
        struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
        uint16_t iotag;         /* pre-assigned IO tag */
        uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
        uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
        struct sli4_sge *sgl;   /* pre-assigned SGL */
        void *virt;             /* virtual address. */
        dma_addr_t phys;        /* physical address */
};

struct lpfc_rpi_hdr {
        struct list_head list;
        uint32_t len;
        struct lpfc_dmabuf *dmabuf;
        uint32_t page_count;
        uint32_t start_rpi;
        uint16_t next_rpi;
};

struct lpfc_rsrc_blks {
        struct list_head list;
        uint16_t rsrc_start;
        uint16_t rsrc_size;
        uint16_t rsrc_used;
};

struct lpfc_rdp_context {
        struct lpfc_nodelist *ndlp;
        uint16_t ox_id;
        uint16_t rx_id;
        READ_LNK_VAR link_stat;
        uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
        uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
        void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
};

struct lpfc_lcb_context {
        uint8_t  sub_command;
        uint8_t  type;
        uint8_t  frequency;
        uint16_t ox_id;
        uint16_t rx_id;
        struct lpfc_nodelist *ndlp;
};


/*
 * SLI4 specific function prototypes
 */
int lpfc_pci_function_reset(struct lpfc_hba *);
int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
int lpfc_sli4_hba_setup(struct lpfc_hba *);
int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
                     uint8_t, uint32_t, bool);
void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
                           struct lpfc_mbx_sge *);
int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
                               uint16_t);

void lpfc_sli4_hba_reset(struct lpfc_hba *);
struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
                        uint32_t);
void lpfc_sli4_queue_free(struct lpfc_queue *);
int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
int lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq,
                             uint32_t numq, uint32_t imax);
int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
                        struct lpfc_queue *, uint32_t, uint32_t);
int lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp,
                        struct lpfc_queue **eqp, uint32_t type,
                        uint32_t subtype);
int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
                       struct lpfc_queue *, uint32_t);
int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
                        struct lpfc_queue *, uint32_t);
int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
                        struct lpfc_queue *, struct lpfc_queue *, uint32_t);
int lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp,
                        struct lpfc_queue **drqp, struct lpfc_queue **cqp,
                        uint32_t subtype);
int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
                         struct lpfc_queue *);
int lpfc_sli4_queue_setup(struct lpfc_hba *);
void lpfc_sli4_queue_unset(struct lpfc_hba *);
int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
int lpfc_repost_nvme_sgl_list(struct lpfc_hba *phba);
uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
void lpfc_sli4_free_xri(struct lpfc_hba *, int);
int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
void lpfc_sli4_remove_rpis(struct lpfc_hba *);
void lpfc_sli4_async_event_proc(struct lpfc_hba *);
void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
                        void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
void lpfc_sli4_nvme_xri_abort_event_proc(struct lpfc_hba *phba);
void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
                               struct sli4_wcqe_xri_aborted *);
void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba,
                                struct sli4_wcqe_xri_aborted *axri);
void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
                                 struct sli4_wcqe_xri_aborted *axri);
void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
                               struct sli4_wcqe_xri_aborted *);
void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
int lpfc_sli4_brdreset(struct lpfc_hba *);
int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
int lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba);
int lpfc_sli4_init_vpi(struct lpfc_vport *);
uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
int lpfc_sli4_post_status_check(struct lpfc_hba *);
uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);