release/src-rt-6.x.4708/linux/linux-2.6.36/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 <bfi/bfi_pbc.h>
  23 #include <defs/bfa_defs_ioc.h>
  24 #include <defs/bfa_defs_iocfc.h>
  25 #include <defs/bfa_defs_boot.h>
  26
  27 #pragma pack(1)
  28
  29 enum bfi_iocfc_h2i_msgs {
  30         BFI_IOCFC_H2I_CFG_REQ           = 1,
  31         BFI_IOCFC_H2I_GET_STATS_REQ     = 2,
  32         BFI_IOCFC_H2I_CLEAR_STATS_REQ   = 3,
  33         BFI_IOCFC_H2I_SET_INTR_REQ      = 4,
  34         BFI_IOCFC_H2I_UPDATEQ_REQ = 5,
  35 };
  36
  37 enum bfi_iocfc_i2h_msgs {
  38         BFI_IOCFC_I2H_CFG_REPLY         = BFA_I2HM(1),
  39         BFI_IOCFC_I2H_GET_STATS_RSP     = BFA_I2HM(2),
  40         BFI_IOCFC_I2H_CLEAR_STATS_RSP   = BFA_I2HM(3),
  41         BFI_IOCFC_I2H_UPDATEQ_RSP = BFA_I2HM(5),
  42 };
  43
  44 struct bfi_iocfc_cfg_s {
  45         u8         num_cqs;     /*  Number of CQs to be used     */
  46         u8         sense_buf_len;       /*  SCSI sense length            */
  47         u8         trunk_enabled;       /*  port trunking enabled        */
  48         u8         trunk_ports; /*  trunk ports bit map          */
  49         u32        endian_sig;  /*  endian signature of host     */
  50
  51         /**
  52          * Request and response circular queue base addresses, size and
  53          * shadow index pointers.
  54          */
  55         union bfi_addr_u  req_cq_ba[BFI_IOC_MAX_CQS];
  56         union bfi_addr_u  req_shadow_ci[BFI_IOC_MAX_CQS];
  57         u16    req_cq_elems[BFI_IOC_MAX_CQS];
  58         union bfi_addr_u  rsp_cq_ba[BFI_IOC_MAX_CQS];
  59         union bfi_addr_u  rsp_shadow_pi[BFI_IOC_MAX_CQS];
  60         u16    rsp_cq_elems[BFI_IOC_MAX_CQS];
  61
  62         union bfi_addr_u  stats_addr;   /*  DMA-able address for stats    */
  63         union bfi_addr_u  cfgrsp_addr;  /*  config response dma address  */
  64         union bfi_addr_u  ioim_snsbase;  /*  IO sense buffer base address */
  65         struct bfa_iocfc_intr_attr_s intr_attr; /*  IOC interrupt attributes */
  66 };
  67
  68 /**
  69  * Boot target wwn information for this port. This contains either the stored
  70  * or discovered boot target port wwns for the port.
  71  */
  72 struct bfi_iocfc_bootwwns {
  73         wwn_t           wwn[BFA_BOOT_BOOTLUN_MAX];
  74         u8              nwwns;
  75         u8              rsvd[7];
  76 };
  77
  78 struct bfi_iocfc_cfgrsp_s {
  79         struct bfa_iocfc_fwcfg_s        fwcfg;
  80         struct bfa_iocfc_intr_attr_s    intr_attr;
  81         struct bfi_iocfc_bootwwns       bootwwns;
  82         struct bfi_pbc_s                pbc_cfg;
  83 };
  84
  85 /**
  86  * BFI_IOCFC_H2I_CFG_REQ message
  87  */
  88 struct bfi_iocfc_cfg_req_s {
  89         struct bfi_mhdr_s      mh;
  90         union bfi_addr_u      ioc_cfg_dma_addr;
  91 };
  92
  93 /**
  94  * BFI_IOCFC_I2H_CFG_REPLY message
  95  */
  96 struct bfi_iocfc_cfg_reply_s {
  97         struct bfi_mhdr_s  mh;          /*  Common msg header          */
  98         u8         cfg_success; /*  cfg reply status           */
  99         u8         lpu_bm;              /*  LPUs assigned for this IOC */
 100         u8         rsvd[2];
 101 };
 102
 103 /**
 104  *  BFI_IOCFC_H2I_GET_STATS_REQ & BFI_IOCFC_H2I_CLEAR_STATS_REQ messages
 105  */
 106 struct bfi_iocfc_stats_req_s {
 107         struct bfi_mhdr_s mh;           /*  msg header            */
 108         u32        msgtag;              /*  msgtag for reply      */
 109 };
 110
 111 /**
 112  * BFI_IOCFC_I2H_GET_STATS_RSP & BFI_IOCFC_I2H_CLEAR_STATS_RSP messages
 113  */
 114 struct bfi_iocfc_stats_rsp_s {
 115         struct bfi_mhdr_s mh;           /*  common msg header     */
 116         u8         status;              /*  reply status          */
 117         u8         rsvd[3];
 118         u32        msgtag;              /*  msgtag for reply      */
 119 };
 120
 121 /**
 122  * BFI_IOCFC_H2I_SET_INTR_REQ message
 123  */
 124 struct bfi_iocfc_set_intr_req_s {
 125         struct bfi_mhdr_s mh;           /*  common msg header     */
 126         u8              coalesce;       /*  enable intr coalescing*/
 127         u8         rsvd[3];
 128         u16     delay;          /*  delay timer 0..1125us  */
 129         u16     latency;        /*  latency timer 0..225us */
 130 };
 131
 132 /**
 133  * BFI_IOCFC_H2I_UPDATEQ_REQ message
 134  */
 135 struct bfi_iocfc_updateq_req_s {
 136         struct bfi_mhdr_s mh;           /*  common msg header     */
 137         u32 reqq_ba;                    /*  reqq base addr        */
 138         u32 rspq_ba;                    /*  rspq base addr        */
 139         u32 reqq_sci;                   /*  reqq shadow ci        */
 140         u32 rspq_spi;                   /*  rspq shadow pi        */
 141 };
 142
 143 /**
 144  * BFI_IOCFC_I2H_UPDATEQ_RSP message
 145  */
 146 struct bfi_iocfc_updateq_rsp_s {
 147         struct bfi_mhdr_s mh;           /*  common msg header     */
 148         u8         status;              /*  updateq  status       */
 149         u8         rsvd[3];
 150 };
 151
 152 /**
 153  * H2I Messages
 154  */
 155 union bfi_iocfc_h2i_msg_u {
 156         struct bfi_mhdr_s               mh;
 157         struct bfi_iocfc_cfg_req_s      cfg_req;
 158         struct bfi_iocfc_stats_req_s stats_get;
 159         struct bfi_iocfc_stats_req_s stats_clr;
 160         struct bfi_iocfc_updateq_req_s updateq_req;
 161         u32                             mboxmsg[BFI_IOC_MSGSZ];
 162 };
 163
 164 /**
 165  * I2H Messages
 166  */
 167 union bfi_iocfc_i2h_msg_u {
 168         struct bfi_mhdr_s               mh;
 169         struct bfi_iocfc_cfg_reply_s            cfg_reply;
 170         struct bfi_iocfc_stats_rsp_s stats_get_rsp;
 171         struct bfi_iocfc_stats_rsp_s stats_clr_rsp;
 172         struct bfi_iocfc_updateq_rsp_s updateq_rsp;
 173         u32                             mboxmsg[BFI_IOC_MSGSZ];
 174 };
 175
 176 #pragma pack()
 177
 178 #endif /* __BFI_IOCFC_H__ */