include/asm-ppc64/systemcfg.h

   1 #ifndef _SYSTEMCFG_H
   2 #define _SYSTEMCFG_H
   3
   4 /*
   5  * Copyright (C) 2002 Peter Bergner <bergner@vnet.ibm.com>, IBM
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * as published by the Free Software Foundation; either version
  10  * 2 of the License, or (at your option) any later version.
  11  */
  12
  13 /* Change Activity:
  14  * 2002/09/30 : bergner  : Created
  15  * End Change Activity
  16  */
  17
  18
  19 #ifndef __KERNEL__
  20 #include <unistd.h>
  21 #include <fcntl.h>
  22 #include <sys/mman.h>
  23 #include <linux/types.h>
  24 #endif
  25
  26 /*
  27  * If the major version changes we are incompatible.
  28  * Minor version changes are a hint.
  29  */
  30 #define SYSTEMCFG_MAJOR 1
  31 #define SYSTEMCFG_MINOR 0
  32
  33 #ifndef __ASSEMBLY__
  34
  35 struct systemcfg {
  36         __u8  eye_catcher[16];          /* Eyecatcher: SYSTEMCFG:PPC64  0x00 */
  37         struct {                        /* Systemcfg version numbers         */
  38                 __u32 major;            /* Major number                 0x10 */
  39                 __u32 minor;            /* Minor number                 0x14 */
  40         } version;
  41
  42         __u32 platform;                 /* Platform flags               0x18 */
  43         __u32 processor;                /* Processor type               0x1C */
  44         __u64 processorCount;           /* # of physical processors     0x20 */
  45         __u64 physicalMemorySize;       /* Size of real memory(B)       0x28 */
  46         __u64 tb_orig_stamp;            /* Timebase at boot             0x30 */
  47         __u64 tb_ticks_per_sec;         /* Timebase tics / sec          0x38 */
  48         __u64 tb_to_xs;                 /* Inverse of TB to 2^20        0x40 */
  49         __u64 stamp_xsec;               /*                              0x48 */
  50         __u64 tb_update_count;          /* Timebase atomicity ctr       0x50 */
  51         __u32 tz_minuteswest;           /* Minutes west of Greenwich    0x58 */
  52         __u32 tz_dsttime;               /* Type of dst correction       0x5C */
  53         __u32 dCacheL1Size;             /* L1 d-cache size              0x60 */
  54         __u32 dCacheL1LineSize;         /* L1 d-cache line size         0x64 */
  55         __u32 iCacheL1Size;             /* L1 i-cache size              0x68 */
  56         __u32 iCacheL1LineSize;         /* L1 i-cache line size         0x6C */
  57         __u8  reserved0[3984];          /* Reserve rest of page         0x70 */
  58 };
  59
  60 #ifdef __KERNEL__
  61 extern struct systemcfg *systemcfg;
  62 #endif
  63
  64 #endif /* __ASSEMBLY__ */
  65
  66 #define SYSTEMCFG_PAGE      0x5
  67 #define SYSTEMCFG_PHYS_ADDR (SYSTEMCFG_PAGE<<PAGE_SHIFT)
  68 #define SYSTEMCFG_VIRT_ADDR (KERNELBASE+SYSTEMCFG_PHYS_ADDR)
  69
  70 #endif /* _SYSTEMCFG_H */