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