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 "sysemu/sysemu.h" 32 #include "sysemu/device_tree.h" 33 #include "sysemu/cpus.h" 34 #include "sysemu/hw_accel.h" 35 #include "sysemu/runstate.h" 36 #include "sysemu/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_rtas.h" 42 #include "hw/ppc/spapr_cpu_core.h" 43 #include "hw/ppc/ppc.h" 44 45 #include <libfdt.h> 46 #include "hw/ppc/spapr_drc.h" 47 #include "qemu/cutils.h" 48 #include "trace.h" 49 #include "hw/ppc/fdt.h" 50 #include "target/ppc/mmu-hash64.h" 51 #include "target/ppc/mmu-book3s-v3.h" 52 #include "migration/blocker.h" 53 #include "helper_regs.h" 54 55 static void rtas_display_character(PowerPCCPU *cpu, SpaprMachineState *spapr, 56 uint32_t token, uint32_t nargs, 57 target_ulong args, 58 uint32_t nret, target_ulong rets) 59 { 60 uint8_t c = rtas_ld(args, 0); 61 SpaprVioDevice *sdev = vty_lookup(spapr, 0); 62 63 if (!sdev) { 64 rtas_st(rets, 0, RTAS_OUT_HW_ERROR); 65 } else { 66 vty_putchars(sdev, &c, sizeof(c)); 67 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 68 } 69 } 70 71 static void rtas_power_off(PowerPCCPU *cpu, SpaprMachineState *spapr, 72 uint32_t token, uint32_t nargs, target_ulong args, 73 uint32_t nret, target_ulong rets) 74 { 75 if (nargs != 2 || nret != 1) { 76 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 77 return; 78 } 79 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); 80 cpu_stop_current(); 81 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 82 } 83 84 static void rtas_system_reboot(PowerPCCPU *cpu, SpaprMachineState *spapr, 85 uint32_t token, uint32_t nargs, 86 target_ulong args, 87 uint32_t nret, target_ulong rets) 88 { 89 if (nargs != 0 || nret != 1) { 90 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 91 return; 92 } 93 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 94 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 95 } 96 97 static void rtas_query_cpu_stopped_state(PowerPCCPU *cpu_, 98 SpaprMachineState *spapr, 99 uint32_t token, uint32_t nargs, 100 target_ulong args, 101 uint32_t nret, target_ulong rets) 102 { 103 target_ulong id; 104 PowerPCCPU *cpu; 105 106 if (nargs != 1 || nret != 2) { 107 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 108 return; 109 } 110 111 id = rtas_ld(args, 0); 112 cpu = spapr_find_cpu(id); 113 if (cpu != NULL) { 114 if (CPU(cpu)->halted) { 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 cs->halted = 1; 220 ppc_store_lpcr(cpu, env->spr[SPR_LPCR] & ~pcc->lpcr_pm); 221 kvmppc_set_reg_ppc_online(cpu, 0); 222 qemu_cpu_kick(cs); 223 } 224 225 static void rtas_ibm_suspend_me(PowerPCCPU *cpu, SpaprMachineState *spapr, 226 uint32_t token, uint32_t nargs, 227 target_ulong args, 228 uint32_t nret, target_ulong rets) 229 { 230 CPUState *cs; 231 232 if (nargs != 0 || nret != 1) { 233 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 234 return; 235 } 236 237 CPU_FOREACH(cs) { 238 PowerPCCPU *c = POWERPC_CPU(cs); 239 CPUPPCState *e = &c->env; 240 if (c == cpu) { 241 continue; 242 } 243 244 /* See h_join */ 245 if (!cs->halted || (e->msr & (1ULL << MSR_EE))) { 246 rtas_st(rets, 0, H_MULTI_THREADS_ACTIVE); 247 return; 248 } 249 } 250 251 qemu_system_suspend_request(); 252 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 253 } 254 255 static inline int sysparm_st(target_ulong addr, target_ulong len, 256 const void *val, uint16_t vallen) 257 { 258 hwaddr phys = ppc64_phys_to_real(addr); 259 260 if (len < 2) { 261 return RTAS_OUT_SYSPARM_PARAM_ERROR; 262 } 263 stw_be_phys(&address_space_memory, phys, vallen); 264 cpu_physical_memory_write(phys + 2, val, MIN(len - 2, vallen)); 265 return RTAS_OUT_SUCCESS; 266 } 267 268 static void rtas_ibm_get_system_parameter(PowerPCCPU *cpu, 269 SpaprMachineState *spapr, 270 uint32_t token, uint32_t nargs, 271 target_ulong args, 272 uint32_t nret, target_ulong rets) 273 { 274 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); 275 MachineState *ms = MACHINE(spapr); 276 target_ulong parameter = rtas_ld(args, 0); 277 target_ulong buffer = rtas_ld(args, 1); 278 target_ulong length = rtas_ld(args, 2); 279 target_ulong ret; 280 281 switch (parameter) { 282 case RTAS_SYSPARM_SPLPAR_CHARACTERISTICS: { 283 g_autofree char *param_val = g_strdup_printf("MaxEntCap=%d," 284 "DesMem=%" PRIu64 "," 285 "DesProcs=%d," 286 "MaxPlatProcs=%d", 287 ms->smp.max_cpus, 288 ms->ram_size / MiB, 289 ms->smp.cpus, 290 ms->smp.max_cpus); 291 if (pcc->n_host_threads > 0) { 292 /* 293 * Add HostThrs property. This property is not present in PAPR but 294 * is expected by some guests to communicate the number of physical 295 * host threads per core on the system so that they can scale 296 * information which varies based on the thread configuration. 297 */ 298 g_autofree char *hostthr_val = g_strdup_printf(",HostThrs=%d", 299 pcc->n_host_threads); 300 char *old = param_val; 301 302 param_val = g_strconcat(param_val, hostthr_val, NULL); 303 g_free(old); 304 } 305 ret = sysparm_st(buffer, length, param_val, strlen(param_val) + 1); 306 break; 307 } 308 case RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE: { 309 uint8_t param_val = DIAGNOSTICS_RUN_MODE_DISABLED; 310 311 ret = sysparm_st(buffer, length, ¶m_val, sizeof(param_val)); 312 break; 313 } 314 case RTAS_SYSPARM_UUID: 315 ret = sysparm_st(buffer, length, (unsigned char *)&qemu_uuid, 316 (qemu_uuid_set ? 16 : 0)); 317 break; 318 default: 319 ret = RTAS_OUT_NOT_SUPPORTED; 320 } 321 322 rtas_st(rets, 0, ret); 323 } 324 325 static void rtas_ibm_set_system_parameter(PowerPCCPU *cpu, 326 SpaprMachineState *spapr, 327 uint32_t token, uint32_t nargs, 328 target_ulong args, 329 uint32_t nret, target_ulong rets) 330 { 331 target_ulong parameter = rtas_ld(args, 0); 332 target_ulong ret = RTAS_OUT_NOT_SUPPORTED; 333 334 switch (parameter) { 335 case RTAS_SYSPARM_SPLPAR_CHARACTERISTICS: 336 case RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE: 337 case RTAS_SYSPARM_UUID: 338 ret = RTAS_OUT_NOT_AUTHORIZED; 339 break; 340 } 341 342 rtas_st(rets, 0, ret); 343 } 344 345 static void rtas_ibm_os_term(PowerPCCPU *cpu, 346 SpaprMachineState *spapr, 347 uint32_t token, uint32_t nargs, 348 target_ulong args, 349 uint32_t nret, target_ulong rets) 350 { 351 target_ulong msgaddr = rtas_ld(args, 0); 352 char msg[512]; 353 354 cpu_physical_memory_read(msgaddr, msg, sizeof(msg) - 1); 355 msg[sizeof(msg) - 1] = 0; 356 357 error_report("OS terminated: %s", msg); 358 qemu_system_guest_panicked(NULL); 359 360 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 361 } 362 363 static void rtas_set_power_level(PowerPCCPU *cpu, SpaprMachineState *spapr, 364 uint32_t token, uint32_t nargs, 365 target_ulong args, uint32_t nret, 366 target_ulong rets) 367 { 368 int32_t power_domain; 369 370 if (nargs != 2 || nret != 2) { 371 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 372 return; 373 } 374 375 /* we currently only use a single, "live insert" powerdomain for 376 * hotplugged/dlpar'd resources, so the power is always live/full (100) 377 */ 378 power_domain = rtas_ld(args, 0); 379 if (power_domain != -1) { 380 rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED); 381 return; 382 } 383 384 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 385 rtas_st(rets, 1, 100); 386 } 387 388 static void rtas_get_power_level(PowerPCCPU *cpu, SpaprMachineState *spapr, 389 uint32_t token, uint32_t nargs, 390 target_ulong args, uint32_t nret, 391 target_ulong rets) 392 { 393 int32_t power_domain; 394 395 if (nargs != 1 || nret != 2) { 396 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 397 return; 398 } 399 400 /* we currently only use a single, "live insert" powerdomain for 401 * hotplugged/dlpar'd resources, so the power is always live/full (100) 402 */ 403 power_domain = rtas_ld(args, 0); 404 if (power_domain != -1) { 405 rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED); 406 return; 407 } 408 409 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 410 rtas_st(rets, 1, 100); 411 } 412 413 static void rtas_ibm_nmi_register(PowerPCCPU *cpu, 414 SpaprMachineState *spapr, 415 uint32_t token, uint32_t nargs, 416 target_ulong args, 417 uint32_t nret, target_ulong rets) 418 { 419 hwaddr rtas_addr; 420 target_ulong sreset_addr, mce_addr; 421 422 if (spapr_get_cap(spapr, SPAPR_CAP_FWNMI) == SPAPR_CAP_OFF) { 423 rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED); 424 return; 425 } 426 427 rtas_addr = spapr_get_rtas_addr(); 428 if (!rtas_addr) { 429 rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED); 430 return; 431 } 432 433 sreset_addr = rtas_ld(args, 0); 434 mce_addr = rtas_ld(args, 1); 435 436 /* PAPR requires these are in the first 32M of memory and within RMA */ 437 if (sreset_addr >= 32 * MiB || sreset_addr >= spapr->rma_size || 438 mce_addr >= 32 * MiB || mce_addr >= spapr->rma_size) { 439 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 440 return; 441 } 442 443 if (kvm_enabled()) { 444 if (kvmppc_set_fwnmi(cpu) < 0) { 445 rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED); 446 return; 447 } 448 } 449 450 spapr->fwnmi_system_reset_addr = sreset_addr; 451 spapr->fwnmi_machine_check_addr = mce_addr; 452 453 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 454 } 455 456 static void rtas_ibm_nmi_interlock(PowerPCCPU *cpu, 457 SpaprMachineState *spapr, 458 uint32_t token, uint32_t nargs, 459 target_ulong args, 460 uint32_t nret, target_ulong rets) 461 { 462 if (spapr_get_cap(spapr, SPAPR_CAP_FWNMI) == SPAPR_CAP_OFF) { 463 rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED); 464 return; 465 } 466 467 if (spapr->fwnmi_machine_check_addr == -1) { 468 qemu_log_mask(LOG_GUEST_ERROR, 469 "FWNMI: ibm,nmi-interlock RTAS called with FWNMI not registered.\n"); 470 471 /* NMI register not called */ 472 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 473 return; 474 } 475 476 if (spapr->fwnmi_machine_check_interlock != cpu->vcpu_id) { 477 /* 478 * The vCPU that hit the NMI should invoke "ibm,nmi-interlock" 479 * This should be PARAM_ERROR, but Linux calls "ibm,nmi-interlock" 480 * for system reset interrupts, despite them not being interlocked. 481 * PowerVM silently ignores this and returns success here. Returning 482 * failure causes Linux to print the error "FWNMI: nmi-interlock 483 * failed: -3", although no other apparent ill effects, this is a 484 * regression for the user when enabling FWNMI. So for now, match 485 * PowerVM. When most Linux clients are fixed, this could be 486 * changed. 487 */ 488 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 489 return; 490 } 491 492 /* 493 * vCPU issuing "ibm,nmi-interlock" is done with NMI handling, 494 * hence unset fwnmi_machine_check_interlock. 495 */ 496 spapr->fwnmi_machine_check_interlock = -1; 497 qemu_cond_signal(&spapr->fwnmi_machine_check_interlock_cond); 498 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 499 migrate_del_blocker(&spapr->fwnmi_migration_blocker); 500 } 501 502 static struct rtas_call { 503 const char *name; 504 spapr_rtas_fn fn; 505 } rtas_table[RTAS_TOKEN_MAX - RTAS_TOKEN_BASE]; 506 507 target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *spapr, 508 uint32_t token, uint32_t nargs, target_ulong args, 509 uint32_t nret, target_ulong rets) 510 { 511 if ((token >= RTAS_TOKEN_BASE) && (token < RTAS_TOKEN_MAX)) { 512 struct rtas_call *call = rtas_table + (token - RTAS_TOKEN_BASE); 513 514 if (call->fn) { 515 call->fn(cpu, spapr, token, nargs, args, nret, rets); 516 return H_SUCCESS; 517 } 518 } 519 520 /* HACK: Some Linux early debug code uses RTAS display-character, 521 * but assumes the token value is 0xa (which it is on some real 522 * machines) without looking it up in the device tree. This 523 * special case makes this work */ 524 if (token == 0xa) { 525 rtas_display_character(cpu, spapr, 0xa, nargs, args, nret, rets); 526 return H_SUCCESS; 527 } 528 529 hcall_dprintf("Unknown RTAS token 0x%x\n", token); 530 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 531 return H_PARAMETER; 532 } 533 534 uint64_t qtest_rtas_call(char *cmd, uint32_t nargs, uint64_t args, 535 uint32_t nret, uint64_t rets) 536 { 537 int token; 538 539 for (token = 0; token < RTAS_TOKEN_MAX - RTAS_TOKEN_BASE; token++) { 540 if (strcmp(cmd, rtas_table[token].name) == 0) { 541 SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); 542 PowerPCCPU *cpu = POWERPC_CPU(first_cpu); 543 544 rtas_table[token].fn(cpu, spapr, token + RTAS_TOKEN_BASE, 545 nargs, args, nret, rets); 546 return H_SUCCESS; 547 } 548 } 549 return H_PARAMETER; 550 } 551 552 static bool spapr_qtest_callback(CharBackend *chr, gchar **words) 553 { 554 if (strcmp(words[0], "rtas") == 0) { 555 uint64_t res, args, ret; 556 unsigned long nargs, nret; 557 int rc; 558 559 rc = qemu_strtoul(words[2], NULL, 0, &nargs); 560 g_assert(rc == 0); 561 rc = qemu_strtou64(words[3], NULL, 0, &args); 562 g_assert(rc == 0); 563 rc = qemu_strtoul(words[4], NULL, 0, &nret); 564 g_assert(rc == 0); 565 rc = qemu_strtou64(words[5], NULL, 0, &ret); 566 g_assert(rc == 0); 567 res = qtest_rtas_call(words[1], nargs, args, nret, ret); 568 569 qtest_send_prefix(chr); 570 qtest_sendf(chr, "OK %"PRIu64"\n", res); 571 572 return true; 573 } 574 575 return false; 576 } 577 578 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn) 579 { 580 assert((token >= RTAS_TOKEN_BASE) && (token < RTAS_TOKEN_MAX)); 581 582 token -= RTAS_TOKEN_BASE; 583 584 assert(!name || !rtas_table[token].name); 585 586 rtas_table[token].name = name; 587 rtas_table[token].fn = fn; 588 } 589 590 void spapr_dt_rtas_tokens(void *fdt, int rtas) 591 { 592 int i; 593 594 for (i = 0; i < RTAS_TOKEN_MAX - RTAS_TOKEN_BASE; i++) { 595 struct rtas_call *call = &rtas_table[i]; 596 597 if (!call->name) { 598 continue; 599 } 600 601 _FDT(fdt_setprop_cell(fdt, rtas, call->name, i + RTAS_TOKEN_BASE)); 602 } 603 } 604 605 hwaddr spapr_get_rtas_addr(void) 606 { 607 SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); 608 int rtas_node; 609 const fdt32_t *rtas_data; 610 void *fdt = spapr->fdt_blob; 611 612 /* fetch rtas addr from fdt */ 613 rtas_node = fdt_path_offset(fdt, "/rtas"); 614 if (rtas_node < 0) { 615 return 0; 616 } 617 618 rtas_data = fdt_getprop(fdt, rtas_node, "linux,rtas-base", NULL); 619 if (!rtas_data) { 620 return 0; 621 } 622 623 /* 624 * We assume that the OS called RTAS instantiate-rtas, but some other 625 * OS might call RTAS instantiate-rtas-64 instead. This fine as of now 626 * as SLOF only supports 32-bit variant. 627 */ 628 return (hwaddr)fdt32_to_cpu(*rtas_data); 629 } 630 631 static void core_rtas_register_types(void) 632 { 633 spapr_rtas_register(RTAS_DISPLAY_CHARACTER, "display-character", 634 rtas_display_character); 635 spapr_rtas_register(RTAS_POWER_OFF, "power-off", rtas_power_off); 636 spapr_rtas_register(RTAS_SYSTEM_REBOOT, "system-reboot", 637 rtas_system_reboot); 638 spapr_rtas_register(RTAS_QUERY_CPU_STOPPED_STATE, "query-cpu-stopped-state", 639 rtas_query_cpu_stopped_state); 640 spapr_rtas_register(RTAS_START_CPU, "start-cpu", rtas_start_cpu); 641 spapr_rtas_register(RTAS_STOP_SELF, "stop-self", rtas_stop_self); 642 spapr_rtas_register(RTAS_IBM_SUSPEND_ME, "ibm,suspend-me", 643 rtas_ibm_suspend_me); 644 spapr_rtas_register(RTAS_IBM_GET_SYSTEM_PARAMETER, 645 "ibm,get-system-parameter", 646 rtas_ibm_get_system_parameter); 647 spapr_rtas_register(RTAS_IBM_SET_SYSTEM_PARAMETER, 648 "ibm,set-system-parameter", 649 rtas_ibm_set_system_parameter); 650 spapr_rtas_register(RTAS_IBM_OS_TERM, "ibm,os-term", 651 rtas_ibm_os_term); 652 spapr_rtas_register(RTAS_SET_POWER_LEVEL, "set-power-level", 653 rtas_set_power_level); 654 spapr_rtas_register(RTAS_GET_POWER_LEVEL, "get-power-level", 655 rtas_get_power_level); 656 spapr_rtas_register(RTAS_IBM_NMI_REGISTER, "ibm,nmi-register", 657 rtas_ibm_nmi_register); 658 spapr_rtas_register(RTAS_IBM_NMI_INTERLOCK, "ibm,nmi-interlock", 659 rtas_ibm_nmi_interlock); 660 661 qtest_set_command_cb(spapr_qtest_callback); 662 } 663 664 type_init(core_rtas_register_types) 665