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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 | /* * drivers/s390/sysinfo.c * * Copyright (C) 2001 IBM Deutschland Entwicklung GmbH, IBM Corporation * Author(s): Ulrich Weigand (Ulrich.Weigand@de.ibm.com) */ #include <linux/config.h> #include <linux/kernel.h> #include <linux/mm.h> #include <linux/proc_fs.h> #include <linux/init.h> #include <asm/ebcdic.h> struct sysinfo_1_1_1 { char reserved_0[32]; char manufacturer[16]; char type[4]; char reserved_1[12]; char model[16]; char sequence[16]; char plant[4]; }; struct sysinfo_1_2_1 { char reserved_0[80]; char sequence[16]; char plant[4]; char reserved_1[2]; unsigned short cpu_address; }; struct sysinfo_1_2_2 { char reserved_0[32]; unsigned int capability; unsigned short cpus_total; unsigned short cpus_configured; unsigned short cpus_standby; unsigned short cpus_reserved; unsigned short adjustment[0]; }; struct sysinfo_2_2_1 { char reserved_0[80]; char sequence[16]; char plant[4]; unsigned short cpu_id; unsigned short cpu_address; }; struct sysinfo_2_2_2 { char reserved_0[32]; unsigned short lpar_number; char reserved_1; unsigned char characteristics; #define LPAR_CHAR_DEDICATED (1 << 7) #define LPAR_CHAR_SHARED (1 << 6) #define LPAR_CHAR_LIMITED (1 << 5) unsigned short cpus_total; unsigned short cpus_configured; unsigned short cpus_standby; unsigned short cpus_reserved; char name[8]; unsigned int caf; char reserved_2[16]; unsigned short cpus_dedicated; unsigned short cpus_shared; }; struct sysinfo_3_2_2 { char reserved_0[31]; unsigned char count; struct { char reserved_0[4]; unsigned short cpus_total; unsigned short cpus_configured; unsigned short cpus_standby; unsigned short cpus_reserved; char name[8]; unsigned int caf; char cpi[16]; char reserved_1[24]; } vm[8]; }; union s390_sysinfo { struct sysinfo_1_1_1 sysinfo_1_1_1; struct sysinfo_1_2_1 sysinfo_1_2_1; struct sysinfo_1_2_2 sysinfo_1_2_2; struct sysinfo_2_2_1 sysinfo_2_2_1; struct sysinfo_2_2_2 sysinfo_2_2_2; struct sysinfo_3_2_2 sysinfo_3_2_2; }; static inline int stsi (void *sysinfo, int fc, int sel1, int sel2) { int cc, retv; #ifndef CONFIG_ARCH_S390X __asm__ __volatile__ ( "lr\t0,%2\n" "\tlr\t1,%3\n" "\tstsi\t0(%4)\n" "0:\tipm\t%0\n" "\tsrl\t%0,28\n" "1:lr\t%1,0\n" ".section .fixup,\"ax\"\n" "2:\tlhi\t%0,3\n" "\tbras\t1,3f\n" "\t.long 1b\n" "3:\tl\t1,0(1)\n" "\tbr\t1\n" ".previous\n" ".section __ex_table,\"a\"\n" "\t.align 4\n" "\t.long 0b,2b\n" ".previous\n" : "=d" (cc), "=d" (retv) : "d" ((fc << 28) | sel1), "d" (sel2), "a" (sysinfo) : "cc", "memory", "0", "1" ); #else __asm__ __volatile__ ( "lr\t0,%2\n" "lr\t1,%3\n" "\tstsi\t0(%4)\n" "0:\tipm\t%0\n" "\tsrl\t%0,28\n" "1:lr\t%1,0\n" ".section .fixup,\"ax\"\n" "2:\tlhi\t%0,3\n" "\tjg\t1b\n" ".previous\n" ".section __ex_table,\"a\"\n" "\t.align 8\n" "\t.quad 0b,2b\n" ".previous\n" : "=d" (cc), "=d" (retv) : "d" ((fc << 28) | sel1), "d" (sel2), "a" (sysinfo) : "cc", "memory", "0", "1" ); #endif return cc? -1 : retv; } static inline int stsi_0 (void) { int rc = stsi (NULL, 0, 0, 0); return rc == -1 ? rc : (((unsigned int)rc) >> 28); } static inline int stsi_1_1_1 (struct sysinfo_1_1_1 *info) { int rc = stsi (info, 1, 1, 1); if (rc != -1) { EBCASC (info->manufacturer, sizeof(info->manufacturer)); EBCASC (info->type, sizeof(info->type)); EBCASC (info->model, sizeof(info->model)); EBCASC (info->sequence, sizeof(info->sequence)); EBCASC (info->plant, sizeof(info->plant)); } return rc == -1 ? rc : 0; } static inline int stsi_1_2_1 (struct sysinfo_1_2_1 *info) { int rc = stsi (info, 1, 2, 1); if (rc != -1) { EBCASC (info->sequence, sizeof(info->sequence)); EBCASC (info->plant, sizeof(info->plant)); } return rc == -1 ? rc : 0; } static inline int stsi_1_2_2 (struct sysinfo_1_2_2 *info) { int rc = stsi (info, 1, 2, 2); return rc == -1 ? rc : 0; } static inline int stsi_2_2_1 (struct sysinfo_2_2_1 *info) { int rc = stsi (info, 2, 2, 1); if (rc != -1) { EBCASC (info->sequence, sizeof(info->sequence)); EBCASC (info->plant, sizeof(info->plant)); } return rc == -1 ? rc : 0; } static inline int stsi_2_2_2 (struct sysinfo_2_2_2 *info) { int rc = stsi (info, 2, 2, 2); if (rc != -1) { EBCASC (info->name, sizeof(info->name)); } return rc == -1 ? rc : 0; } static inline int stsi_3_2_2 (struct sysinfo_3_2_2 *info) { int rc = stsi (info, 3, 2, 2); if (rc != -1) { int i; for (i = 0; i < info->count; i++) { EBCASC (info->vm[i].name, sizeof(info->vm[i].name)); EBCASC (info->vm[i].cpi, sizeof(info->vm[i].cpi)); } } return rc == -1 ? rc : 0; } static int proc_read_sysinfo(char *page, char **start, off_t off, int count, int *eof, void *data) { unsigned long info_page = get_zeroed_page (GFP_KERNEL); union s390_sysinfo *info = (union s390_sysinfo *) info_page; int len = 0; int level; int i; if (!info) return 0; level = stsi_0 (); if (level >= 1 && stsi_1_1_1 (&info->sysinfo_1_1_1) == 0) { len += sprintf (page+len, "Manufacturer: %-16.16s\n", info->sysinfo_1_1_1.manufacturer); len += sprintf (page+len, "Type: %-4.4s\n", info->sysinfo_1_1_1.type); len += sprintf (page+len, "Model: %-16.16s\n", info->sysinfo_1_1_1.model); len += sprintf (page+len, "Sequence Code: %-16.16s\n", info->sysinfo_1_1_1.sequence); len += sprintf (page+len, "Plant: %-4.4s\n", info->sysinfo_1_1_1.plant); } if (level >= 1 && stsi_1_2_2 (&info->sysinfo_1_2_2) == 0) { len += sprintf (page+len, "\n"); len += sprintf (page+len, "CPUs Total: %d\n", info->sysinfo_1_2_2.cpus_total); len += sprintf (page+len, "CPUs Configured: %d\n", info->sysinfo_1_2_2.cpus_configured); len += sprintf (page+len, "CPUs Standby: %d\n", info->sysinfo_1_2_2.cpus_standby); len += sprintf (page+len, "CPUs Reserved: %d\n", info->sysinfo_1_2_2.cpus_reserved); len += sprintf (page+len, "Capability: %d\n", info->sysinfo_1_2_2.capability); for (i = 2; i <= info->sysinfo_1_2_2.cpus_total; i++) len += sprintf (page+len, "Adjustment %02d-way: %d\n", i, info->sysinfo_1_2_2.adjustment[i-2]); } if (level >= 2 && stsi_2_2_2 (&info->sysinfo_2_2_2) == 0) { len += sprintf (page+len, "\n"); len += sprintf (page+len, "LPAR Number: %d\n", info->sysinfo_2_2_2.lpar_number); len += sprintf (page+len, "LPAR Characteristics: "); if (info->sysinfo_2_2_2.characteristics & LPAR_CHAR_DEDICATED) len += sprintf (page+len, "Dedicated "); if (info->sysinfo_2_2_2.characteristics & LPAR_CHAR_SHARED) len += sprintf (page+len, "Shared "); if (info->sysinfo_2_2_2.characteristics & LPAR_CHAR_LIMITED) len += sprintf (page+len, "Limited "); len += sprintf (page+len, "\n"); len += sprintf (page+len, "LPAR Name: %-8.8s\n", info->sysinfo_2_2_2.name); len += sprintf (page+len, "LPAR Adjustment: %d\n", info->sysinfo_2_2_2.caf); len += sprintf (page+len, "LPAR CPUs Total: %d\n", info->sysinfo_2_2_2.cpus_total); len += sprintf (page+len, "LPAR CPUs Configured: %d\n", info->sysinfo_2_2_2.cpus_configured); len += sprintf (page+len, "LPAR CPUs Standby: %d\n", info->sysinfo_2_2_2.cpus_standby); len += sprintf (page+len, "LPAR CPUs Reserved: %d\n", info->sysinfo_2_2_2.cpus_reserved); len += sprintf (page+len, "LPAR CPUs Dedicated: %d\n", info->sysinfo_2_2_2.cpus_dedicated); len += sprintf (page+len, "LPAR CPUs Shared: %d\n", info->sysinfo_2_2_2.cpus_shared); } if (level >= 3 && stsi_3_2_2 (&info->sysinfo_3_2_2) == 0) { for (i = 0; i < info->sysinfo_3_2_2.count; i++) { len += sprintf (page+len, "\n"); len += sprintf (page+len, "VM%02d Name: %-8.8s\n", i, info->sysinfo_3_2_2.vm[i].name); len += sprintf (page+len, "VM%02d Control Program: %-16.16s\n", i, info->sysinfo_3_2_2.vm[i].cpi); len += sprintf (page+len, "VM%02d Adjustment: %d\n", i, info->sysinfo_3_2_2.vm[i].caf); len += sprintf (page+len, "VM%02d CPUs Total: %d\n", i, info->sysinfo_3_2_2.vm[i].cpus_total); len += sprintf (page+len, "VM%02d CPUs Configured: %d\n", i, info->sysinfo_3_2_2.vm[i].cpus_configured); len += sprintf (page+len, "VM%02d CPUs Standby: %d\n", i, info->sysinfo_3_2_2.vm[i].cpus_standby); len += sprintf (page+len, "VM%02d CPUs Reserved: %d\n", i, info->sysinfo_3_2_2.vm[i].cpus_reserved); } } free_page (info_page); return len; } static __init int create_proc_sysinfo(void) { create_proc_read_entry ("sysinfo", 0444, NULL, proc_read_sysinfo, NULL); return 0; } __initcall(create_proc_sysinfo); |