arch/s390/include/asm/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 #ifndef __ASM_S390_SYSINFO_H
  15 #define __ASM_S390_SYSINFO_H
  16
  17 struct sysinfo_1_1_1 {
  18         char reserved_0[32];
  19         char manufacturer[16];
  20         char type[4];
  21         char reserved_1[12];
  22         char model_capacity[16];
  23         char sequence[16];
  24         char plant[4];
  25         char model[16];
  26         char model_perm_cap[16];
  27         char model_temp_cap[16];
  28         char model_cap_rating[4];
  29         char model_perm_cap_rating[4];
  30         char model_temp_cap_rating[4];
  31 };
  32
  33 struct sysinfo_1_2_1 {
  34         char reserved_0[80];
  35         char sequence[16];
  36         char plant[4];
  37         char reserved_1[2];
  38         unsigned short cpu_address;
  39 };
  40
  41 struct sysinfo_1_2_2 {
  42         char format;
  43         char reserved_0[1];
  44         unsigned short acc_offset;
  45         char reserved_1[24];
  46         unsigned int secondary_capability;
  47         unsigned int capability;
  48         unsigned short cpus_total;
  49         unsigned short cpus_configured;
  50         unsigned short cpus_standby;
  51         unsigned short cpus_reserved;
  52         unsigned short adjustment[0];
  53 };
  54
  55 struct sysinfo_1_2_2_extension {
  56         unsigned int alt_capability;
  57         unsigned short alt_adjustment[0];
  58 };
  59
  60 struct sysinfo_2_2_1 {
  61         char reserved_0[80];
  62         char sequence[16];
  63         char plant[4];
  64         unsigned short cpu_id;
  65         unsigned short cpu_address;
  66 };
  67
  68 struct sysinfo_2_2_2 {
  69         char reserved_0[32];
  70         unsigned short lpar_number;
  71         char reserved_1;
  72         unsigned char characteristics;
  73         unsigned short cpus_total;
  74         unsigned short cpus_configured;
  75         unsigned short cpus_standby;
  76         unsigned short cpus_reserved;
  77         char name[8];
  78         unsigned int caf;
  79         char reserved_2[16];
  80         unsigned short cpus_dedicated;
  81         unsigned short cpus_shared;
  82 };
  83
  84 #define LPAR_CHAR_DEDICATED     (1 << 7)
  85 #define LPAR_CHAR_SHARED        (1 << 6)
  86 #define LPAR_CHAR_LIMITED       (1 << 5)
  87
  88 struct sysinfo_3_2_2 {
  89         char reserved_0[31];
  90         unsigned char count;
  91         struct {
  92                 char reserved_0[4];
  93                 unsigned short cpus_total;
  94                 unsigned short cpus_configured;
  95                 unsigned short cpus_standby;
  96                 unsigned short cpus_reserved;
  97                 char name[8];
  98                 unsigned int caf;
  99                 char cpi[16];
 100                 char reserved_1[24];
 101
 102         } vm[8];
 103         char reserved_544[3552];
 104 };
 105
 106 static inline int stsi(void *sysinfo, int fc, int sel1, int sel2)
 107 {
 108         register int r0 asm("0") = (fc << 28) | sel1;
 109         register int r1 asm("1") = sel2;
 110
 111         asm volatile(
 112                 "   stsi 0(%2)\n"
 113                 "0: jz   2f\n"
 114                 "1: lhi  %0,%3\n"
 115                 "2:\n"
 116                 EX_TABLE(0b, 1b)
 117                 : "+d" (r0) : "d" (r1), "a" (sysinfo), "K" (-ENOSYS)
 118                 : "cc", "memory");
 119         return r0;
 120 }
 121
 122 /*
 123  * Service level reporting interface.
 124  */
 125 struct service_level {
 126         struct list_head list;
 127         void (*seq_print)(struct seq_file *, struct service_level *);
 128 };
 129
 130 int register_service_level(struct service_level *);
 131 int unregister_service_level(struct service_level *);
 132
 133 #endif /* __ASM_S390_SYSINFO_H */