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 #include <linux/uuid.h>
  19
  20 struct sysinfo_1_1_1 {
  21         unsigned char p:1;
  22         unsigned char :6;
  23         unsigned char t:1;
  24         unsigned char :8;
  25         unsigned char ccr;
  26         unsigned char cai;
  27         char reserved_0[28];
  28         char manufacturer[16];
  29         char type[4];
  30         char reserved_1[12];
  31         char model_capacity[16];
  32         char sequence[16];
  33         char plant[4];
  34         char model[16];
  35         char model_perm_cap[16];
  36         char model_temp_cap[16];
  37         unsigned int model_cap_rating;
  38         unsigned int model_perm_cap_rating;
  39         unsigned int model_temp_cap_rating;
  40         unsigned char typepct[5];
  41         unsigned char reserved_2[3];
  42         unsigned int ncr;
  43         unsigned int npr;
  44         unsigned int ntr;
  45 };
  46
  47 struct sysinfo_1_2_1 {
  48         char reserved_0[80];
  49         char sequence[16];
  50         char plant[4];
  51         char reserved_1[2];
  52         unsigned short cpu_address;
  53 };
  54
  55 struct sysinfo_1_2_2 {
  56         char format;
  57         char reserved_0[1];
  58         unsigned short acc_offset;
  59         unsigned char mt_installed :1;
  60         unsigned char :2;
  61         unsigned char mt_stid :5;
  62         unsigned char :3;
  63         unsigned char mt_gtid :5;
  64         char reserved_1[18];
  65         unsigned int nominal_cap;
  66         unsigned int secondary_cap;
  67         unsigned int capability;
  68         unsigned short cpus_total;
  69         unsigned short cpus_configured;
  70         unsigned short cpus_standby;
  71         unsigned short cpus_reserved;
  72         unsigned short adjustment[0];
  73 };
  74
  75 struct sysinfo_1_2_2_extension {
  76         unsigned int alt_capability;
  77         unsigned short alt_adjustment[0];
  78 };
  79
  80 struct sysinfo_2_2_1 {
  81         char reserved_0[80];
  82         char sequence[16];
  83         char plant[4];
  84         unsigned short cpu_id;
  85         unsigned short cpu_address;
  86 };
  87
  88 struct sysinfo_2_2_2 {
  89         char reserved_0[32];
  90         unsigned short lpar_number;
  91         char reserved_1;
  92         unsigned char characteristics;
  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 reserved_2[8];
 100         unsigned char mt_installed :1;
 101         unsigned char :2;
 102         unsigned char mt_stid :5;
 103         unsigned char :3;
 104         unsigned char mt_gtid :5;
 105         unsigned char :3;
 106         unsigned char mt_psmtid :5;
 107         char reserved_3[5];
 108         unsigned short cpus_dedicated;
 109         unsigned short cpus_shared;
 110         char reserved_4[3];
 111         unsigned char vsne;
 112         uuid_t uuid;
 113         char reserved_5[160];
 114         char ext_name[256];
 115 };
 116
 117 #define LPAR_CHAR_DEDICATED     (1 << 7)
 118 #define LPAR_CHAR_SHARED        (1 << 6)
 119 #define LPAR_CHAR_LIMITED       (1 << 5)
 120
 121 struct sysinfo_3_2_2 {
 122         char reserved_0[31];
 123         unsigned char :4;
 124         unsigned char count:4;
 125         struct {
 126                 char reserved_0[4];
 127                 unsigned short cpus_total;
 128                 unsigned short cpus_configured;
 129                 unsigned short cpus_standby;
 130                 unsigned short cpus_reserved;
 131                 char name[8];
 132                 unsigned int caf;
 133                 char cpi[16];
 134                 char reserved_1[3];
 135                 unsigned char evmne;
 136                 unsigned int reserved_2;
 137                 uuid_t uuid;
 138         } vm[8];
 139         char reserved_3[1504];
 140         char ext_names[8][256];
 141 };
 142
 143 extern int topology_max_mnest;
 144
 145 /*
 146  * Returns the maximum nesting level supported by the cpu topology code.
 147  * The current maximum level is 4 which is the drawer level.
 148  */
 149 static inline unsigned char topology_mnest_limit(void)
 150 {
 151         return min(topology_max_mnest, 4);
 152 }
 153
 154 #define TOPOLOGY_NR_MAG         6
 155
 156 struct topology_core {
 157         unsigned char nl;
 158         unsigned char reserved0[3];
 159         unsigned char :6;
 160         unsigned char pp:2;
 161         unsigned char reserved1;
 162         unsigned short origin;
 163         unsigned long mask;
 164 };
 165
 166 struct topology_container {
 167         unsigned char nl;
 168         unsigned char reserved[6];
 169         unsigned char id;
 170 };
 171
 172 union topology_entry {
 173         unsigned char nl;
 174         struct topology_core cpu;
 175         struct topology_container container;
 176 };
 177
 178 struct sysinfo_15_1_x {
 179         unsigned char reserved0[2];
 180         unsigned short length;
 181         unsigned char mag[TOPOLOGY_NR_MAG];
 182         unsigned char reserved1;
 183         unsigned char mnest;
 184         unsigned char reserved2[4];
 185         union topology_entry tle[0];
 186 };
 187
 188 int stsi(void *sysinfo, int fc, int sel1, int sel2);
 189
 190 /*
 191  * Service level reporting interface.
 192  */
 193 struct service_level {
 194         struct list_head list;
 195         void (*seq_print)(struct seq_file *, struct service_level *);
 196 };
 197
 198 int register_service_level(struct service_level *);
 199 int unregister_service_level(struct service_level *);
 200
 201 #endif /* __ASM_S390_SYSINFO_H */