1 /* 2 * QEMU PowerPC pSeries Logical Partition (aka sPAPR) hardware System Emulator 3 * 4 * Hypercall based emulated RTAS 5 * 6 * Copyright (c) 2010-2011 David Gibson, IBM Corporation. 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a copy 9 * of this software and associated documentation files (the "Software"), to deal 10 * in the Software without restriction, including without limitation the rights 11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 12 * copies of the Software, and to permit persons to whom the Software is 13 * furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be included in 16 * all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 24 * THE SOFTWARE. 25 * 26 */ 27 28 #include "qemu/osdep.h" 29 #include "qemu/log.h" 30 #include "qemu/error-report.h" 31 #include "system/system.h" 32 #include "system/device_tree.h" 33 #include "system/cpus.h" 34 #include "system/hw_accel.h" 35 #include "system/runstate.h" 36 #include "system/qtest.h" 37 #include "kvm_ppc.h" 38 39 #include "hw/ppc/spapr.h" 40 #include "hw/ppc/spapr_vio.h" 41 #include "hw/ppc/spapr_cpu_core.h" 42 #include "hw/ppc/ppc.h" 43 44 #include <libfdt.h> 45 #include "hw/ppc/spapr_drc.h" 46 #include "qemu/cutils.h" 47 #include "trace.h" 48 #include "hw/ppc/fdt.h" 49 #include "target/ppc/mmu-hash64.h" 50 #include "target/ppc/mmu-book3s-v3.h" 51 #include "migration/blocker.h" 52 #include "helper_regs.h" 53 54 static void rtas_display_character(PowerPCCPU *cpu, SpaprMachineState *spapr, 55 uint32_t token, uint32_t nargs, 56 target_ulong args, 57 uint32_t nret, target_ulong rets) 58 { 59 uint8_t c = rtas_ld(args, 0); 60 SpaprVioDevice *sdev = vty_lookup(spapr, 0); 61 62 if (!sdev) { 63 rtas_st(rets, 0, RTAS_OUT_HW_ERROR); 64 } else { 65 vty_putchars(sdev, &c, sizeof(c)); 66 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 67 } 68 } 69 70 static void rtas_power_off(PowerPCCPU *cpu, SpaprMachineState *spapr, 71 uint32_t token, uint32_t nargs, target_ulong args, 72 uint32_t nret, target_ulong rets) 73 { 74 if (nargs != 2 || nret != 1) { 75 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 76 return; 77 } 78 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); 79 cpu_stop_current(); 80 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 81 } 82 83 static void rtas_system_reboot(PowerPCCPU *cpu, SpaprMachineState *spapr, 84 uint32_t token, uint32_t nargs, 85 target_ulong args, 86 uint32_t nret, target_ulong rets) 87 { 88 if (nargs != 0 || nret != 1) { 89 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 90 return; 91 } 92 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 93 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 94 } 95 96 static void rtas_query_cpu_stopped_state(PowerPCCPU *cpu_, 97 SpaprMachineState *spapr, 98 uint32_t token, uint32_t nargs, 99 target_ulong args, 100 uint32_t nret, target_ulong rets) 101 { 102 target_ulong id; 103 PowerPCCPU *cpu; 104 105 if (nargs != 1 || nret != 2) { 106 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 107 return; 108 } 109 110 id = rtas_ld(args, 0); 111 cpu = spapr_find_cpu(id); 112 if (cpu != NULL) { 113 CPUPPCState *env = &cpu->env; 114 if (env->quiesced) { 115 rtas_st(rets, 1, 0); 116 } else { 117 rtas_st(rets, 1, 2); 118 } 119 120 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 121 return; 122 } 123 124 /* Didn't find a matching cpu */ 125 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 126 } 127 128 static void rtas_start_cpu(PowerPCCPU *callcpu, SpaprMachineState *spapr, 129 uint32_t token, uint32_t nargs, 130 target_ulong args, 131 uint32_t nret, target_ulong rets) 132 { 133 target_ulong id, start, r3; 134 PowerPCCPU *newcpu; 135 CPUPPCState *env; 136 target_ulong lpcr; 137 target_ulong caller_lpcr; 138 139 if (nargs != 3 || nret != 1) { 140 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 141 return; 142 } 143 144 id = rtas_ld(args, 0); 145 start = rtas_ld(args, 1); 146 r3 = rtas_ld(args, 2); 147 148 newcpu = spapr_find_cpu(id); 149 if (!newcpu) { 150 /* Didn't find a matching cpu */ 151 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 152 return; 153 } 154 155 env = &newcpu->env; 156 157 if (!CPU(newcpu)->halted) { 158 rtas_st(rets, 0, RTAS_OUT_HW_ERROR); 159 return; 160 } 161 162 cpu_synchronize_state(CPU(newcpu)); 163 164 env->msr = (1ULL << MSR_SF) | (1ULL << MSR_ME); 165 hreg_compute_hflags(env); 166 167 caller_lpcr = callcpu->env.spr[SPR_LPCR]; 168 lpcr = env->spr[SPR_LPCR]; 169 170 /* Set ILE the same way */ 171 lpcr = (lpcr & ~LPCR_ILE) | (caller_lpcr & LPCR_ILE); 172 173 /* Set AIL the same way */ 174 lpcr = (lpcr & ~LPCR_AIL) | (caller_lpcr & LPCR_AIL); 175 176 if (env->mmu_model == POWERPC_MMU_3_00) { 177 /* 178 * New cpus are expected to start in the same radix/hash mode 179 * as the existing CPUs 180 */ 181 if (ppc64_v3_radix(callcpu)) { 182 lpcr |= LPCR_UPRT | LPCR_GTSE | LPCR_HR; 183 } else { 184 lpcr &= ~(LPCR_UPRT | LPCR_GTSE | LPCR_HR); 185 } 186 env->spr[SPR_PSSCR] &= ~PSSCR_EC; 187 } 188 ppc_store_lpcr(newcpu, lpcr); 189 190 /* 191 * Set the timebase offset of the new CPU to that of the invoking 192 * CPU. This helps hotplugged CPU to have the correct timebase 193 * offset. 194 */ 195 newcpu->env.tb_env->tb_offset = callcpu->env.tb_env->tb_offset; 196 197 spapr_cpu_set_entry_state(newcpu, start, 0, r3, 0); 198 199 qemu_cpu_kick(CPU(newcpu)); 200 201 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 202 } 203 204 static void rtas_stop_self(PowerPCCPU *cpu, SpaprMachineState *spapr, 205 uint32_t token, uint32_t nargs, 206 target_ulong args, 207 uint32_t nret, target_ulong rets) 208 { 209 CPUState *cs = CPU(cpu); 210 CPUPPCState *env = &cpu->env; 211 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); 212 213 /* Disable Power-saving mode Exit Cause exceptions for the CPU. 214 * This could deliver an interrupt on a dying CPU and crash the 215 * guest. 216 * For the same reason, set PSSCR_EC. 217 */ 218 env->spr[SPR_PSSCR] |= PSSCR_EC; 219 env->quiesced = true; /* set "RTAS stopped" state. */ 220 ppc_maybe_interrupt(env); 221 cs->halted = 1; 222 ppc_store_lpcr(cpu, env->spr[SPR_LPCR] & ~pcc->lpcr_pm); 223 kvmppc_set_reg_ppc_online(cpu, 0); 224 qemu_cpu_kick(cs); 225 } 226 227 static void rtas_ibm_suspend_me(PowerPCCPU *cpu, SpaprMachineState *spapr, 228 uint32_t token, uint32_t nargs, 229 target_ulong args, 230 uint32_t nret, target_ulong rets) 231 { 232 CPUState *cs; 233 234 if (nargs != 0 || nret != 1) { 235 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 236 return; 237 } 238 239 CPU_FOREACH(cs) { 240 PowerPCCPU *c = POWERPC_CPU(cs); 241 CPUPPCState *e = &c->env; 242 if (c == cpu) { 243 continue; 244 } 245 246 /* See h_join */ 247 if (!cs->halted || (e->msr & (1ULL << MSR_EE))) { 248 rtas_st(rets, 0, H_MULTI_THREADS_ACTIVE); 249 return; 250 } 251 } 252 253 qemu_system_suspend_request(); 254 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 255 } 256 257 static inline int sysparm_st(target_ulong addr, target_ulong len, 258 const void *val, uint16_t vallen) 259 { 260 hwaddr phys = ppc64_phys_to_real(addr); 261 262 if (len < 2) { 263 return RTAS_OUT_SYSPARM_PARAM_ERROR; 264 } 265 stw_be_phys(&address_space_memory, phys, vallen); 266 cpu_physical_memory_write(phys + 2, val, MIN(len - 2, vallen)); 267 return RTAS_OUT_SUCCESS; 268 } 269 270 static void rtas_ibm_get_system_parameter(PowerPCCPU *cpu, 271 SpaprMachineState *spapr, 272 uint32_t token, uint32_t nargs, 273 target_ulong args, 274 uint32_t nret, target_ulong rets) 275 { 276 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); 277 MachineState *ms = MACHINE(spapr); 278 target_ulong parameter = rtas_ld(args, 0); 279 target_ulong buffer = rtas_ld(args, 1); 280 target_ulong length = rtas_ld(args, 2); 281 target_ulong ret; 282 283 switch (parameter) { 284 case RTAS_SYSPARM_SPLPAR_CHARACTERISTICS: { 285 g_autofree char *param_val = g_strdup_printf("MaxEntCap=%d," 286 "DesMem=%" PRIu64 "," 287 "DesProcs=%d," 288 "MaxPlatProcs=%d", 289 ms->smp.max_cpus, 290 ms->ram_size / MiB, 291 ms->smp.cpus, 292 ms->smp.max_cpus); 293 if (pcc->n_host_threads > 0) { 294 /* 295 * Add HostThrs property. This property is not present in PAPR but 296 * is expected by some guests to communicate the number of physical 297 * host threads per core on the system so that they can scale 298 * information which varies based on the thread configuration. 299 */ 300 g_autofree char *hostthr_val = g_strdup_printf(",HostThrs=%d", 301 pcc->n_host_threads); 302 char *old = param_val; 303 304 param_val = g_strconcat(param_val, hostthr_val, NULL); 305 g_free(old); 306 } 307 ret = sysparm_st(buffer, length, param_val, strlen(param_val) + 1); 308 break; 309 } 310 case RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE: { 311 uint8_t param_val = DIAGNOSTICS_RUN_MODE_DISABLED; 312 313 ret = sysparm_st(buffer, length, ¶m_val, sizeof(param_val)); 314 break; 315 } 316 case RTAS_SYSPARM_UUID: 317 ret = sysparm_st(buffer, length, (unsigned char *)&qemu_uuid, 318 (qemu_uuid_set ? 16 : 0)); 319 break; 320 default: 321 ret = RTAS_OUT_NOT_SUPPORTED; 322 } 323 324 rtas_st(rets, 0, ret); 325 } 326 327 static void rtas_ibm_set_system_parameter(PowerPCCPU *cpu, 328 SpaprMachineState *spapr, 329 uint32_t token, uint32_t nargs, 330 target_ulong args, 331 uint32_t nret, target_ulong rets) 332 { 333 target_ulong parameter = rtas_ld(args, 0); 334 target_ulong ret = RTAS_OUT_NOT_SUPPORTED; 335 336 switch (parameter) { 337 case RTAS_SYSPARM_SPLPAR_CHARACTERISTICS: 338 case RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE: 339 case RTAS_SYSPARM_UUID: 340 ret = RTAS_OUT_NOT_AUTHORIZED; 341 break; 342 } 343 344 rtas_st(rets, 0, ret); 345 } 346 347 static void rtas_ibm_os_term(PowerPCCPU *cpu, 348 SpaprMachineState *spapr, 349 uint32_t token, uint32_t nargs, 350 target_ulong args, 351 uint32_t nret, target_ulong rets) 352 { 353 target_ulong msgaddr = rtas_ld(args, 0); 354 char msg[512]; 355 356 cpu_physical_memory_read(msgaddr, msg, sizeof(msg) - 1); 357 msg[sizeof(msg) - 1] = 0; 358 359 error_report("OS terminated: %s", msg); 360 qemu_system_guest_panicked(NULL); 361 362 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 363 } 364 365 static void rtas_set_power_level(PowerPCCPU *cpu, SpaprMachineState *spapr, 366 uint32_t token, uint32_t nargs, 367 target_ulong args, uint32_t nret, 368 target_ulong rets) 369 { 370 int32_t power_domain; 371 372 if (nargs != 2 || nret != 2) { 373 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 374 return; 375 } 376 377 /* we currently only use a single, "live insert" powerdomain for 378 * hotplugged/dlpar'd resources, so the power is always live/full (100) 379 */ 380 power_domain = rtas_ld(args, 0); 381 if (power_domain != -1) { 382 rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED); 383 return; 384 } 385 386 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 387 rtas_st(rets, 1, 100); 388 } 389 390 static void rtas_get_power_level(PowerPCCPU *cpu, SpaprMachineState *spapr, 391 uint32_t token, uint32_t nargs, 392 target_ulong args, uint32_t nret, 393 target_ulong rets) 394 { 395 int32_t power_domain; 396 397 if (nargs != 1 || nret != 2) { 398 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 399 return; 400 } 401 402 /* we currently only use a single, "live insert" powerdomain for 403 * hotplugged/dlpar'd resources, so the power is always live/full (100) 404 */ 405 power_domain = rtas_ld(args, 0); 406 if (power_domain != -1) { 407 rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED); 408 return; 409 } 410 411 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 412 rtas_st(rets, 1, 100); 413 } 414 415 static void rtas_ibm_nmi_register(PowerPCCPU *cpu, 416 SpaprMachineState *spapr, 417 uint32_t token, uint32_t nargs, 418 target_ulong args, 419 uint32_t nret, target_ulong rets) 420 { 421 hwaddr rtas_addr; 422 target_ulong sreset_addr, mce_addr; 423 424 if (spapr_get_cap(spapr, SPAPR_CAP_FWNMI) == SPAPR_CAP_OFF) { 425 rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED); 426 return; 427 } 428 429 rtas_addr = spapr_get_rtas_addr(); 430 if (!rtas_addr) { 431 rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED); 432 return; 433 } 434 435 sreset_addr = rtas_ld(args, 0); 436 mce_addr = rtas_ld(args, 1); 437 438 /* PAPR requires these are in the first 32M of memory and within RMA */ 439 if (sreset_addr >= 32 * MiB || sreset_addr >= spapr->rma_size || 440 mce_addr >= 32 * MiB || mce_addr >= spapr->rma_size) { 441 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 442 return; 443 } 444 445 if (kvm_enabled()) { 446 if (kvmppc_set_fwnmi(cpu) < 0) { 447 rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED); 448 return; 449 } 450 } 451 452 spapr->fwnmi_system_reset_addr = sreset_addr; 453 spapr->fwnmi_machine_check_addr = mce_addr; 454 455 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 456 } 457 458 static void rtas_ibm_nmi_interlock(PowerPCCPU *cpu, 459 SpaprMachineState *spapr, 460 uint32_t token, uint32_t nargs, 461 target_ulong args, 462 uint32_t nret, target_ulong rets) 463 { 464 if (spapr_get_cap(spapr, SPAPR_CAP_FWNMI) == SPAPR_CAP_OFF) { 465 rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED); 466 return; 467 } 468 469 if (spapr->fwnmi_machine_check_addr == -1) { 470 qemu_log_mask(LOG_GUEST_ERROR, 471 "FWNMI: ibm,nmi-interlock RTAS called with FWNMI not registered.\n"); 472 473 /* NMI register not called */ 474 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 475 return; 476 } 477 478 if (spapr->fwnmi_machine_check_interlock != cpu->vcpu_id) { 479 /* 480 * The vCPU that hit the NMI should invoke "ibm,nmi-interlock" 481 * This should be PARAM_ERROR, but Linux calls "ibm,nmi-interlock" 482 * for system reset interrupts, despite them not being interlocked. 483 * PowerVM silently ignores this and returns success here. Returning 484 * failure causes Linux to print the error "FWNMI: nmi-interlock 485 * failed: -3", although no other apparent ill effects, this is a 486 * regression for the user when enabling FWNMI. So for now, match 487 * PowerVM. When most Linux clients are fixed, this could be 488 * changed. 489 */ 490 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 491 return; 492 } 493 494 /* 495 * vCPU issuing "ibm,nmi-interlock" is done with NMI handling, 496 * hence unset fwnmi_machine_check_interlock. 497 */ 498 spapr->fwnmi_machine_check_interlock = -1; 499 qemu_cond_signal(&spapr->fwnmi_machine_check_interlock_cond); 500 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 501 migrate_del_blocker(&spapr->fwnmi_migration_blocker); 502 } 503 504 static struct rtas_call { 505 const char *name; 506 spapr_rtas_fn fn; 507 } rtas_table[RTAS_TOKEN_MAX - RTAS_TOKEN_BASE]; 508 509 target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *spapr, 510 uint32_t token, uint32_t nargs, target_ulong args, 511 uint32_t nret, target_ulong rets) 512 { 513 if ((token >= RTAS_TOKEN_BASE) && (token < RTAS_TOKEN_MAX)) { 514 struct rtas_call *call = rtas_table + (token - RTAS_TOKEN_BASE); 515 516 if (call->fn) { 517 call->fn(cpu, spapr, token, nargs, args, nret, rets); 518 return H_SUCCESS; 519 } 520 } 521 522 /* HACK: Some Linux early debug code uses RTAS display-character, 523 * but assumes the token value is 0xa (which it is on some real 524 * machines) without looking it up in the device tree. This 525 * special case makes this work */ 526 if (token == 0xa) { 527 rtas_display_character(cpu, spapr, 0xa, nargs, args, nret, rets); 528 return H_SUCCESS; 529 } 530 531 hcall_dprintf("Unknown RTAS token 0x%x\n", token); 532 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 533 return H_PARAMETER; 534 } 535 536 static uint64_t qtest_rtas_call(char *cmd, uint32_t nargs, uint64_t args, 537 uint32_t nret, uint64_t rets) 538 { 539 int token; 540 541 for (token = 0; token < RTAS_TOKEN_MAX - RTAS_TOKEN_BASE; token++) { 542 if (strcmp(cmd, rtas_table[token].name) == 0) { 543 SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); 544 PowerPCCPU *cpu = POWERPC_CPU(first_cpu); 545 546 rtas_table[token].fn(cpu, spapr, token + RTAS_TOKEN_BASE, 547 nargs, args, nret, rets); 548 return H_SUCCESS; 549 } 550 } 551 return H_PARAMETER; 552 } 553 554 static bool spapr_qtest_callback(CharBackend *chr, gchar **words) 555 { 556 if (strcmp(words[0], "rtas") == 0) { 557 uint64_t res, args, ret; 558 unsigned long nargs, nret; 559 int rc; 560 561 rc = qemu_strtoul(words[2], NULL, 0, &nargs); 562 g_assert(rc == 0); 563 rc = qemu_strtou64(words[3], NULL, 0, &args); 564 g_assert(rc == 0); 565 rc = qemu_strtoul(words[4], NULL, 0, &nret); 566 g_assert(rc == 0); 567 rc = qemu_strtou64(words[5], NULL, 0, &ret); 568 g_assert(rc == 0); 569 res = qtest_rtas_call(words[1], nargs, args, nret, ret); 570 571 qtest_sendf(chr, "OK %"PRIu64"\n", res); 572 573 return true; 574 } 575 576 return false; 577 } 578 579 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn) 580 { 581 assert((token >= RTAS_TOKEN_BASE) && (token < RTAS_TOKEN_MAX)); 582 583 token -= RTAS_TOKEN_BASE; 584 585 assert(!name || !rtas_table[token].name); 586 587 rtas_table[token].name = name; 588 rtas_table[token].fn = fn; 589 } 590 591 void spapr_dt_rtas_tokens(void *fdt, int rtas) 592 { 593 int i; 594 595 for (i = 0; i < RTAS_TOKEN_MAX - RTAS_TOKEN_BASE; i++) { 596 struct rtas_call *call = &rtas_table[i]; 597 598 if (!call->name) { 599 continue; 600 } 601 602 _FDT(fdt_setprop_cell(fdt, rtas, call->name, i + RTAS_TOKEN_BASE)); 603 } 604 } 605 606 hwaddr spapr_get_rtas_addr(void) 607 { 608 SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); 609 int rtas_node; 610 const fdt32_t *rtas_data; 611 void *fdt = spapr->fdt_blob; 612 613 /* fetch rtas addr from fdt */ 614 rtas_node = fdt_path_offset(fdt, "/rtas"); 615 if (rtas_node < 0) { 616 return 0; 617 } 618 619 rtas_data = fdt_getprop(fdt, rtas_node, "linux,rtas-base", NULL); 620 if (!rtas_data) { 621 return 0; 622 } 623 624 /* 625 * We assume that the OS called RTAS instantiate-rtas, but some other 626 * OS might call RTAS instantiate-rtas-64 instead. This fine as of now 627 * as SLOF only supports 32-bit variant. 628 */ 629 return (hwaddr)fdt32_to_cpu(*rtas_data); 630 } 631 632 static void core_rtas_register_types(void) 633 { 634 spapr_rtas_register(RTAS_DISPLAY_CHARACTER, "display-character", 635 rtas_display_character); 636 spapr_rtas_register(RTAS_POWER_OFF, "power-off", rtas_power_off); 637 spapr_rtas_register(RTAS_SYSTEM_REBOOT, "system-reboot", 638 rtas_system_reboot); 639 spapr_rtas_register(RTAS_QUERY_CPU_STOPPED_STATE, "query-cpu-stopped-state", 640 rtas_query_cpu_stopped_state); 641 spapr_rtas_register(RTAS_START_CPU, "start-cpu", rtas_start_cpu); 642 spapr_rtas_register(RTAS_STOP_SELF, "stop-self", rtas_stop_self); 643 spapr_rtas_register(RTAS_IBM_SUSPEND_ME, "ibm,suspend-me", 644 rtas_ibm_suspend_me); 645 spapr_rtas_register(RTAS_IBM_GET_SYSTEM_PARAMETER, 646 "ibm,get-system-parameter", 647 rtas_ibm_get_system_parameter); 648 spapr_rtas_register(RTAS_IBM_SET_SYSTEM_PARAMETER, 649 "ibm,set-system-parameter", 650 rtas_ibm_set_system_parameter); 651 spapr_rtas_register(RTAS_IBM_OS_TERM, "ibm,os-term", 652 rtas_ibm_os_term); 653 spapr_rtas_register(RTAS_SET_POWER_LEVEL, "set-power-level", 654 rtas_set_power_level); 655 spapr_rtas_register(RTAS_GET_POWER_LEVEL, "get-power-level", 656 rtas_get_power_level); 657 spapr_rtas_register(RTAS_IBM_NMI_REGISTER, "ibm,nmi-register", 658 rtas_ibm_nmi_register); 659 spapr_rtas_register(RTAS_IBM_NMI_INTERLOCK, "ibm,nmi-interlock", 660 rtas_ibm_nmi_interlock); 661 662 qtest_set_command_cb(spapr_qtest_callback); 663 } 664 665 type_init(core_rtas_register_types) 666