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 #include <asm/bitsperlong.h>
  18
  19 struct sysinfo_1_1_1 {
  20         unsigned short :16;
  21         unsigned char ccr;
  22         unsigned char cai;
  23         char reserved_0[28];
  24         char manufacturer[16];
  25         char type[4];
  26         char reserved_1[12];
  27         char model_capacity[16];
  28         char sequence[16];
  29         char plant[4];
  30         char model[16];
  31         char model_perm_cap[16];
  32         char model_temp_cap[16];
  33         char model_cap_rating[4];
  34         char model_perm_cap_rating[4];
  35         char model_temp_cap_rating[4];
  36 };
  37
  38 struct sysinfo_1_2_1 {
  39         char reserved_0[80];
  40         char sequence[16];
  41         char plant[4];
  42         char reserved_1[2];
  43         unsigned short cpu_address;
  44 };
  45
  46 struct sysinfo_1_2_2 {
  47         char format;
  48         char reserved_0[1];
  49         unsigned short acc_offset;
  50         char reserved_1[24];
  51         unsigned int secondary_capability;
  52         unsigned int capability;
  53         unsigned short cpus_total;
  54         unsigned short cpus_configured;
  55         unsigned short cpus_standby;
  56         unsigned short cpus_reserved;
  57         unsigned short adjustment[0];
  58 };
  59
  60 struct sysinfo_1_2_2_extension {
  61         unsigned int alt_capability;
  62         unsigned short alt_adjustment[0];
  63 };
  64
  65 struct sysinfo_2_2_1 {
  66         char reserved_0[80];
  67         char sequence[16];
  68         char plant[4];
  69         unsigned short cpu_id;
  70         unsigned short cpu_address;
  71 };
  72
  73 struct sysinfo_2_2_2 {
  74         char reserved_0[32];
  75         unsigned short lpar_number;
  76         char reserved_1;
  77         unsigned char characteristics;
  78         unsigned short cpus_total;
  79         unsigned short cpus_configured;
  80         unsigned short cpus_standby;
  81         unsigned short cpus_reserved;
  82         char name[8];
  83         unsigned int caf;
  84         char reserved_2[16];
  85         unsigned short cpus_dedicated;
  86         unsigned short cpus_shared;
  87 };
  88
  89 #define LPAR_CHAR_DEDICATED     (1 << 7)
  90 #define LPAR_CHAR_SHARED        (1 << 6)
  91 #define LPAR_CHAR_LIMITED       (1 << 5)
  92
  93 struct sysinfo_3_2_2 {
  94         char reserved_0[31];
  95         unsigned char :4;
  96         unsigned char count:4;
  97         struct {
  98                 char reserved_0[4];
  99                 unsigned short cpus_total;
 100                 unsigned short cpus_configured;
 101                 unsigned short cpus_standby;
 102                 unsigned short cpus_reserved;
 103                 char name[8];
 104                 unsigned int caf;
 105                 char cpi[16];
 106                 char reserved_1[24];
 107
 108         } vm[8];
 109         char reserved_544[3552];
 110 };
 111
 112 #define TOPOLOGY_CPU_BITS       64
 113 #define TOPOLOGY_NR_MAG         6
 114
 115 struct topology_cpu {
 116         unsigned char reserved0[4];
 117         unsigned char :6;
 118         unsigned char pp:2;
 119         unsigned char reserved1;
 120         unsigned short origin;
 121         unsigned long mask[TOPOLOGY_CPU_BITS / BITS_PER_LONG];
 122 };
 123
 124 struct topology_container {
 125         unsigned char reserved[7];
 126         unsigned char id;
 127 };
 128
 129 union topology_entry {
 130         unsigned char nl;
 131         struct topology_cpu cpu;
 132         struct topology_container container;
 133 };
 134
 135 struct sysinfo_15_1_x {
 136         unsigned char reserved0[2];
 137         unsigned short length;
 138         unsigned char mag[TOPOLOGY_NR_MAG];
 139         unsigned char reserved1;
 140         unsigned char mnest;
 141         unsigned char reserved2[4];
 142         union topology_entry tle[0];
 143 };
 144
 145 static inline int stsi(void *sysinfo, int fc, int sel1, int sel2)
 146 {
 147         register int r0 asm("0") = (fc << 28) | sel1;
 148         register int r1 asm("1") = sel2;
 149
 150         asm volatile(
 151                 "   stsi 0(%2)\n"
 152                 "0: jz   2f\n"
 153                 "1: lhi  %0,%3\n"
 154                 "2:\n"
 155                 EX_TABLE(0b, 1b)
 156                 : "+d" (r0) : "d" (r1), "a" (sysinfo), "K" (-ENOSYS)
 157                 : "cc", "memory");
 158         return r0;
 159 }
 160
 161 /*
 162  * Service level reporting interface.
 163  */
 164 struct service_level {
 165         struct list_head list;
 166         void (*seq_print)(struct seq_file *, struct service_level *);
 167 };
 168
 169 int register_service_level(struct service_level *);
 170 int unregister_service_level(struct service_level *);
 171
 172 #endif /* __ASM_S390_SYSINFO_H */