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  * If the major version changes we are incompatible.
  20  * Minor version changes are a hint.
  21  */
  22 #define SYSTEMCFG_MAJOR 1
  23 #define SYSTEMCFG_MINOR 1
  24
  25 #ifndef __ASSEMBLY__
  26
  27 #include <linux/unistd.h>
  28
  29 #define SYSCALL_MAP_SIZE      ((__NR_syscalls + 31) / 32)
  30
  31 struct systemcfg {
  32         __u8  eye_catcher[16];          /* Eyecatcher: SYSTEMCFG:PPC64  0x00 */
  33         struct {                        /* Systemcfg version numbers         */
  34                 __u32 major;            /* Major number                 0x10 */
  35                 __u32 minor;            /* Minor number                 0x14 */
  36         } version;
  37
  38         __u32 platform;                 /* Platform flags               0x18 */
  39         __u32 processor;                /* Processor type               0x1C */
  40         __u64 processorCount;           /* # of physical processors     0x20 */
  41         __u64 physicalMemorySize;       /* Size of real memory(B)       0x28 */
  42         __u64 tb_orig_stamp;            /* Timebase at boot             0x30 */
  43         __u64 tb_ticks_per_sec;         /* Timebase tics / sec          0x38 */
  44         __u64 tb_to_xs;                 /* Inverse of TB to 2^20        0x40 */
  45         __u64 stamp_xsec;               /*                              0x48 */
  46         __u64 tb_update_count;          /* Timebase atomicity ctr       0x50 */
  47         __u32 tz_minuteswest;           /* Minutes west of Greenwich    0x58 */
  48         __u32 tz_dsttime;               /* Type of dst correction       0x5C */
  49         /* next four are no longer used except to be exported to /proc */
  50         __u32 dcache_size;              /* L1 d-cache size              0x60 */
  51         __u32 dcache_line_size;         /* L1 d-cache line size         0x64 */
  52         __u32 icache_size;              /* L1 i-cache size              0x68 */
  53         __u32 icache_line_size;         /* L1 i-cache line size         0x6C */
  54         __u32 syscall_map_64[SYSCALL_MAP_SIZE]; /* map of available syscalls 0x70 */
  55         __u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of available syscalls */
  56 };
  57
  58 #ifdef __KERNEL__
  59 extern struct systemcfg *systemcfg;
  60 #endif
  61
  62 #endif /* __ASSEMBLY__ */
  63
  64 #endif /* _SYSTEMCFG_H */