include/asm-s390/sysinfo.h

   1 /*
   2  * definition for store system information stsi
   3  *
   4  * Copyright IBM Corp. 2001,2008
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License (version 2 only)
   8  * as published by the Free Software Foundation.
   9  *
  10  *    Author(s): Ulrich Weigand <weigand@de.ibm.com>
  11  *               Christian Borntraeger <borntraeger@de.ibm.com>
  12  */
  13
  14 struct sysinfo_1_1_1 {
  15         char reserved_0[32];
  16         char manufacturer[16];
  17         char type[4];
  18         char reserved_1[12];
  19         char model_capacity[16];
  20         char sequence[16];
  21         char plant[4];
  22         char model[16];
  23         char model_perm_cap[16];
  24         char model_temp_cap[16];
  25         char model_cap_rating[4];
  26         char model_perm_cap_rating[4];
  27         char model_temp_cap_rating[4];
  28 };
  29
  30 struct sysinfo_1_2_1 {
  31         char reserved_0[80];
  32         char sequence[16];
  33         char plant[4];
  34         char reserved_1[2];
  35         unsigned short cpu_address;
  36 };
  37
  38 struct sysinfo_1_2_2 {
  39         char format;
  40         char reserved_0[1];
  41         unsigned short acc_offset;
  42         char reserved_1[24];
  43         unsigned int secondary_capability;
  44         unsigned int capability;
  45         unsigned short cpus_total;
  46         unsigned short cpus_configured;
  47         unsigned short cpus_standby;
  48         unsigned short cpus_reserved;
  49         unsigned short adjustment[0];
  50 };
  51
  52 struct sysinfo_1_2_2_extension {
  53         unsigned int alt_capability;
  54         unsigned short alt_adjustment[0];
  55 };
  56
  57 struct sysinfo_2_2_1 {
  58         char reserved_0[80];
  59         char sequence[16];
  60         char plant[4];
  61         unsigned short cpu_id;
  62         unsigned short cpu_address;
  63 };
  64
  65 struct sysinfo_2_2_2 {
  66         char reserved_0[32];
  67         unsigned short lpar_number;
  68         char reserved_1;
  69         unsigned char characteristics;
  70         unsigned short cpus_total;
  71         unsigned short cpus_configured;
  72         unsigned short cpus_standby;
  73         unsigned short cpus_reserved;
  74         char name[8];
  75         unsigned int caf;
  76         char reserved_2[16];
  77         unsigned short cpus_dedicated;
  78         unsigned short cpus_shared;
  79 };
  80
  81 #define LPAR_CHAR_DEDICATED     (1 << 7)
  82 #define LPAR_CHAR_SHARED        (1 << 6)
  83 #define LPAR_CHAR_LIMITED       (1 << 5)
  84
  85 struct sysinfo_3_2_2 {
  86         char reserved_0[31];
  87         unsigned char count;
  88         struct {
  89                 char reserved_0[4];
  90                 unsigned short cpus_total;
  91                 unsigned short cpus_configured;
  92                 unsigned short cpus_standby;
  93                 unsigned short cpus_reserved;
  94                 char name[8];
  95                 unsigned int caf;
  96                 char cpi[16];
  97                 char reserved_1[24];
  98
  99         } vm[8];
 100 };
 101
 102 static inline int stsi(void *sysinfo, int fc, int sel1, int sel2)
 103 {
 104         register int r0 asm("0") = (fc << 28) | sel1;
 105         register int r1 asm("1") = sel2;
 106
 107         asm volatile(
 108                 "   stsi 0(%2)\n"
 109                 "0: jz   2f\n"
 110                 "1: lhi  %0,%3\n"
 111                 "2:\n"
 112                 EX_TABLE(0b, 1b)
 113                 : "+d" (r0) : "d" (r1), "a" (sysinfo), "K" (-ENOSYS)
 114                 : "cc", "memory");
 115         return r0;
 116 }