lpfc_sli4.h

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/*******************************************************************
 * This file is part of the Emulex Linux Device Driver for         *
 * Fibre Channel Host Bus Adapters.                                *
 * Copyright (C) 2009-2011 Emulex.  All rights reserved.           *
 * EMULEX and SLI are trademarks of Emulex.                        *
 * www.emulex.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_RELEASE_NOTIFICATION_INTERVAL  32
#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_FCP_IO_CHAN_DEF       4
#define LPFC_FCP_IO_CHAN_MIN       1
#define LPFC_FCP_IO_CHAN_MAX       16

/*
 * 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

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_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;
    struct lpfc_rqe *rqe;
};

struct lpfc_queue {
    struct list_head list;
    enum lpfc_sli4_queue_type type;
    enum lpfc_sli4_queue_subtype subtype;
    struct lpfc_hba *phba;
    struct list_head child_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_QUEUE_MIN_REPOST   8
    uint32_t queue_id;  /* Queue ID assigned by the hardware */
    uint32_t assoc_qid;     /* Queue ID associated with, for CQ/WQ/MQ */
    struct list_head page_list;
    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 */

    /* 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_badstate     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_trunc        q_cnt_3
#define RQ_rcv_buf      q_cnt_4

    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_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_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

#define LPFC_SLI4_FL1_MAX_SEGMENT_SIZE  0x10000
#define LPFC_SLI4_FL1_MAX_BUF_SIZE  0X2000
#define LPFC_SLI4_MIN_BUF_SIZE      0x400
#define LPFC_SLI4_MAX_BUF_SIZE      0x20000

/*
 * 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 */
struct lpfc_fcp_eq_hdl {
    uint32_t idx;
    struct lpfc_hba *phba;
    atomic_t fcp_eq_in_use;
};

/* 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 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;
};

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;
};

#define LPFC_SLI4_HANDLER_NAME_SZ   16

/* 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
        } 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;
    struct lpfc_register sli_intf;
    struct lpfc_pc_sli4_params pc_sli4_params;
    struct msix_entry *msix_entries;
    uint8_t handler_name[LPFC_FCP_IO_CHAN_MAX][LPFC_SLI4_HANDLER_NAME_SZ];
    struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP 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 **fcp_wq;/* Fast-path FCP work queue */
    uint16_t *fcp_cq_map;

    struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
    struct lpfc_queue *els_cq; /* Slow-path ELS response 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 *hdr_rq; /* Slow-path Header Receive queue */
    struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */

    /* 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 scsi_xri_max;
    uint16_t scsi_xri_cnt;
    uint16_t els_xri_cnt;
    uint16_t scsi_xri_start;
    struct list_head lpfc_free_sgl_list;
    struct list_head lpfc_sgl_list;
    struct list_head lpfc_abts_els_sgl_list;
    struct list_head lpfc_abts_scsi_buf_list;
    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_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_scsi_buf_list_lock; /* list of aborted SCSI IOs */
    spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */
};

enum lpfc_sge_type {
    GEN_BUFF_TYPE,
    SCSI_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;
};

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

/*
 * 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 *);
uint32_t lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
uint32_t lpfc_modify_fcp_eq_delay(struct lpfc_hba *, uint16_t);
uint32_t lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
            struct lpfc_queue *, uint32_t, uint32_t);
int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
               struct lpfc_queue *, uint32_t);
uint32_t lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
            struct lpfc_queue *, uint32_t);
uint32_t lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
            struct lpfc_queue *, struct lpfc_queue *, uint32_t);
void lpfc_rq_adjust_repost(struct lpfc_hba *, struct lpfc_queue *, int);
uint32_t lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
uint32_t lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
uint32_t lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
uint32_t lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
uint32_t 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 *);
uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
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_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_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_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 *);