arch/powerpc/platforms/iseries/ipl_parms.h

   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
  31 struct 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 extern struct ItIplParmsReal    xItIplParmsReal;
  69
  70 #endif /* _ISERIES_IPL_PARMS_H */