linux/arch/powerpc/platforms/iseries/ipl_parms.h
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   1/*
   2 * Copyright (C) 2001  Mike Corrigan IBM Corporation
   3 *
   4 * This program is free software; you can redistribute it and/or modify
   5 * it under the terms of the GNU General Public License as published by
   6 * the Free Software Foundation; either version 2 of the License, or
   7 * (at your option) any later version.
   8 *
   9 * This program is distributed in the hope that it will be useful,
  10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 * GNU General Public License for more details.
  13 *
  14 * You should have received a copy of the GNU General Public License
  15 * along with this program; if not, write to the Free Software
  16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  17 */
  18#ifndef _ISERIES_IPL_PARMS_H
  19#define _ISERIES_IPL_PARMS_H
  20
  21/*
  22 *      This struct maps the IPL Parameters DMA'd from the SP.
  23 *
  24 * Warning:
  25 *      This data must map in exactly 64 bytes and match the architecture for
  26 *      the IPL parms
  27 */
  28
  29#include <asm/types.h>
  30
  31struct ItIplParmsReal {
  32        u8      xFormat;                // Defines format of IplParms   x00-x00
  33        u8      xRsvd01:6;              // Reserved                     x01-x01
  34        u8      xAlternateSearch:1;     // Alternate search indicator   ...
  35        u8      xUaSupplied:1;          // UA Supplied on programmed IPL...
  36        u8      xLsUaFormat;            // Format byte for UA           x02-x02
  37        u8      xRsvd02;                // Reserved                     x03-x03
  38        u32     xLsUa;                  // LS UA                        x04-x07
  39        u32     xUnusedLsLid;           // First OS LID to load         x08-x0B
  40        u16     xLsBusNumber;           // LS Bus Number                x0C-x0D
  41        u8      xLsCardAdr;             // LS Card Address              x0E-x0E
  42        u8      xLsBoardAdr;            // LS Board Address             x0F-x0F
  43        u32     xRsvd03;                // Reserved                     x10-x13
  44        u8      xSpcnPresent:1;         // SPCN present                 x14-x14
  45        u8      xCpmPresent:1;          // CPM present                  ...
  46        u8      xRsvd04:6;              // Reserved                     ...
  47        u8      xRsvd05:4;              // Reserved                     x15-x15
  48        u8      xKeyLock:4;             // Keylock setting              ...
  49        u8      xRsvd06:6;              // Reserved                     x16-x16
  50        u8      xIplMode:2;             // Ipl mode (A|B|C|D)           ...
  51        u8      xHwIplType;             // Fast v slow v slow EC HW IPL x17-x17
  52        u16     xCpmEnabledIpl:1;       // CPM in effect when IPL initiatedx18-x19
  53        u16     xPowerOnResetIpl:1;     // Indicate POR condition       ...
  54        u16     xMainStorePreserved:1;  // Main Storage is preserved    ...
  55        u16     xRsvd07:13;             // Reserved                     ...
  56        u16     xIplSource:16;          // Ipl source                   x1A-x1B
  57        u8      xIplReason:8;           // Reason for this IPL          x1C-x1C
  58        u8      xRsvd08;                // Reserved                     x1D-x1D
  59        u16     xRsvd09;                // Reserved                     x1E-x1F
  60        u16     xSysBoxType;            // System Box Type              x20-x21
  61        u16     xSysProcType;           // System Processor Type        x22-x23
  62        u32     xRsvd10;                // Reserved                     x24-x27
  63        u64     xRsvd11;                // Reserved                     x28-x2F
  64        u64     xRsvd12;                // Reserved                     x30-x37
  65        u64     xRsvd13;                // Reserved                     x38-x3F
  66};
  67
  68#endif /* _ISERIES_IPL_PARMS_H */
  69