drivers/scsi/bfa/include/bfi/bfi_iocfc.h

   1 /*
   2  * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
   3  * All rights reserved
   4  * www.brocade.com
   5  *
   6  * Linux driver for Brocade Fibre Channel Host Bus Adapter.
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License (GPL) Version 2 as
  10  * published by the Free Software Foundation
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  */
  17
  18 #ifndef __BFI_IOCFC_H__
  19 #define __BFI_IOCFC_H__
  20
  21 #include "bfi.h"
  22 #include <defs/bfa_defs_ioc.h>
  23 #include <defs/bfa_defs_iocfc.h>
  24 #include <defs/bfa_defs_boot.h>
  25
  26 #pragma pack(1)
  27
  28 enum bfi_iocfc_h2i_msgs {
  29         BFI_IOCFC_H2I_CFG_REQ           = 1,
  30         BFI_IOCFC_H2I_GET_STATS_REQ     = 2,
  31         BFI_IOCFC_H2I_CLEAR_STATS_REQ   = 3,
  32         BFI_IOCFC_H2I_SET_INTR_REQ      = 4,
  33         BFI_IOCFC_H2I_UPDATEQ_REQ = 5,
  34 };
  35
  36 enum bfi_iocfc_i2h_msgs {
  37         BFI_IOCFC_I2H_CFG_REPLY         = BFA_I2HM(1),
  38         BFI_IOCFC_I2H_GET_STATS_RSP     = BFA_I2HM(2),
  39         BFI_IOCFC_I2H_CLEAR_STATS_RSP   = BFA_I2HM(3),
  40         BFI_IOCFC_I2H_UPDATEQ_RSP = BFA_I2HM(5),
  41 };
  42
  43 struct bfi_iocfc_cfg_s {
  44         u8         num_cqs;     /*  Number of CQs to be used     */
  45         u8         sense_buf_len;       /*  SCSI sense length            */
  46         u8         trunk_enabled;       /*  port trunking enabled        */
  47         u8         trunk_ports; /*  trunk ports bit map          */
  48         u32        endian_sig;  /*  endian signature of host     */
  49
  50         /**
  51          * Request and response circular queue base addresses, size and
  52          * shadow index pointers.
  53          */
  54         union bfi_addr_u  req_cq_ba[BFI_IOC_MAX_CQS];
  55         union bfi_addr_u  req_shadow_ci[BFI_IOC_MAX_CQS];
  56         u16    req_cq_elems[BFI_IOC_MAX_CQS];
  57         union bfi_addr_u  rsp_cq_ba[BFI_IOC_MAX_CQS];
  58         union bfi_addr_u  rsp_shadow_pi[BFI_IOC_MAX_CQS];
  59         u16    rsp_cq_elems[BFI_IOC_MAX_CQS];
  60
  61         union bfi_addr_u  stats_addr;   /*  DMA-able address for stats    */
  62         union bfi_addr_u  cfgrsp_addr;  /*  config response dma address  */
  63         union bfi_addr_u  ioim_snsbase;  /*  IO sense buffer base address */
  64         struct bfa_iocfc_intr_attr_s intr_attr; /*  IOC interrupt attributes */
  65 };
  66
  67 /**
  68  * Boot target wwn information for this port. This contains either the stored
  69  * or discovered boot target port wwns for the port.
  70  */
  71 struct bfi_iocfc_bootwwns {
  72         wwn_t           wwn[BFA_BOOT_BOOTLUN_MAX];
  73         u8              nwwns;
  74         u8              rsvd[7];
  75 };
  76
  77 struct bfi_iocfc_cfgrsp_s {
  78         struct bfa_iocfc_fwcfg_s        fwcfg;
  79         struct bfa_iocfc_intr_attr_s    intr_attr;
  80         struct bfi_iocfc_bootwwns       bootwwns;
  81 };
  82
  83 /**
  84  * BFI_IOCFC_H2I_CFG_REQ message
  85  */
  86 struct bfi_iocfc_cfg_req_s {
  87         struct bfi_mhdr_s      mh;
  88         union bfi_addr_u      ioc_cfg_dma_addr;
  89 };
  90
  91 /**
  92  * BFI_IOCFC_I2H_CFG_REPLY message
  93  */
  94 struct bfi_iocfc_cfg_reply_s {
  95         struct bfi_mhdr_s  mh;          /*  Common msg header          */
  96         u8         cfg_success; /*  cfg reply status           */
  97         u8         lpu_bm;              /*  LPUs assigned for this IOC */
  98         u8         rsvd[2];
  99 };
 100
 101 /**
 102  *  BFI_IOCFC_H2I_GET_STATS_REQ & BFI_IOCFC_H2I_CLEAR_STATS_REQ messages
 103  */
 104 struct bfi_iocfc_stats_req_s {
 105         struct bfi_mhdr_s mh;           /*  msg header            */
 106         u32        msgtag;              /*  msgtag for reply      */
 107 };
 108
 109 /**
 110  * BFI_IOCFC_I2H_GET_STATS_RSP & BFI_IOCFC_I2H_CLEAR_STATS_RSP messages
 111  */
 112 struct bfi_iocfc_stats_rsp_s {
 113         struct bfi_mhdr_s mh;           /*  common msg header     */
 114         u8         status;              /*  reply status          */
 115         u8         rsvd[3];
 116         u32        msgtag;              /*  msgtag for reply      */
 117 };
 118
 119 /**
 120  * BFI_IOCFC_H2I_SET_INTR_REQ message
 121  */
 122 struct bfi_iocfc_set_intr_req_s {
 123         struct bfi_mhdr_s mh;           /*  common msg header     */
 124         u8              coalesce;       /*  enable intr coalescing*/
 125         u8         rsvd[3];
 126         u16     delay;          /*  delay timer 0..1125us  */
 127         u16     latency;        /*  latency timer 0..225us */
 128 };
 129
 130 /**
 131  * BFI_IOCFC_H2I_UPDATEQ_REQ message
 132  */
 133 struct bfi_iocfc_updateq_req_s {
 134         struct bfi_mhdr_s mh;           /*  common msg header     */
 135         u32 reqq_ba;                    /*  reqq base addr        */
 136         u32 rspq_ba;                    /*  rspq base addr        */
 137         u32 reqq_sci;                   /*  reqq shadow ci        */
 138         u32 rspq_spi;                   /*  rspq shadow pi        */
 139 };
 140
 141 /**
 142  * BFI_IOCFC_I2H_UPDATEQ_RSP message
 143  */
 144 struct bfi_iocfc_updateq_rsp_s {
 145         struct bfi_mhdr_s mh;           /*  common msg header     */
 146         u8         status;              /*  updateq  status       */
 147         u8         rsvd[3];
 148 };
 149
 150 /**
 151  * H2I Messages
 152  */
 153 union bfi_iocfc_h2i_msg_u {
 154         struct bfi_mhdr_s               mh;
 155         struct bfi_iocfc_cfg_req_s      cfg_req;
 156         struct bfi_iocfc_stats_req_s stats_get;
 157         struct bfi_iocfc_stats_req_s stats_clr;
 158         struct bfi_iocfc_updateq_req_s updateq_req;
 159         u32                             mboxmsg[BFI_IOC_MSGSZ];
 160 };
 161
 162 /**
 163  * I2H Messages
 164  */
 165 union bfi_iocfc_i2h_msg_u {
 166         struct bfi_mhdr_s               mh;
 167         struct bfi_iocfc_cfg_reply_s            cfg_reply;
 168         struct bfi_iocfc_stats_rsp_s stats_get_rsp;
 169         struct bfi_iocfc_stats_rsp_s stats_clr_rsp;
 170         struct bfi_iocfc_updateq_rsp_s updateq_rsp;
 171         u32                             mboxmsg[BFI_IOC_MSGSZ];
 172 };
 173
 174 #pragma pack()
 175
 176 #endif /* __BFI_IOCFC_H__ */
 177