spapr_rtas.c (20946B)
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#include "helper_regs.h" 53 54static 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 70static 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 83static 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 96static 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 if (CPU(cpu)->halted) { 114 rtas_st(rets, 1, 0); 115 } else { 116 rtas_st(rets, 1, 2); 117 } 118 119 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 120 return; 121 } 122 123 /* Didn't find a matching cpu */ 124 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 125} 126 127static void rtas_start_cpu(PowerPCCPU *callcpu, SpaprMachineState *spapr, 128 uint32_t token, uint32_t nargs, 129 target_ulong args, 130 uint32_t nret, target_ulong rets) 131{ 132 target_ulong id, start, r3; 133 PowerPCCPU *newcpu; 134 CPUPPCState *env; 135 target_ulong lpcr; 136 target_ulong caller_lpcr; 137 138 if (nargs != 3 || nret != 1) { 139 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 140 return; 141 } 142 143 id = rtas_ld(args, 0); 144 start = rtas_ld(args, 1); 145 r3 = rtas_ld(args, 2); 146 147 newcpu = spapr_find_cpu(id); 148 if (!newcpu) { 149 /* Didn't find a matching cpu */ 150 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 151 return; 152 } 153 154 env = &newcpu->env; 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 hreg_compute_hflags(env); 165 166 caller_lpcr = callcpu->env.spr[SPR_LPCR]; 167 lpcr = env->spr[SPR_LPCR]; 168 169 /* Set ILE the same way */ 170 lpcr = (lpcr & ~LPCR_ILE) | (caller_lpcr & LPCR_ILE); 171 172 /* Set AIL the same way */ 173 lpcr = (lpcr & ~LPCR_AIL) | (caller_lpcr & LPCR_AIL); 174 175 if (env->mmu_model == POWERPC_MMU_3_00) { 176 /* 177 * New cpus are expected to start in the same radix/hash mode 178 * as the existing CPUs 179 */ 180 if (ppc64_v3_radix(callcpu)) { 181 lpcr |= LPCR_UPRT | LPCR_GTSE | LPCR_HR; 182 } else { 183 lpcr &= ~(LPCR_UPRT | LPCR_GTSE | LPCR_HR); 184 } 185 env->spr[SPR_PSSCR] &= ~PSSCR_EC; 186 } 187 ppc_store_lpcr(newcpu, lpcr); 188 189 /* 190 * Set the timebase offset of the new CPU to that of the invoking 191 * CPU. This helps hotplugged CPU to have the correct timebase 192 * offset. 193 */ 194 newcpu->env.tb_env->tb_offset = callcpu->env.tb_env->tb_offset; 195 196 spapr_cpu_set_entry_state(newcpu, start, 0, r3, 0); 197 198 qemu_cpu_kick(CPU(newcpu)); 199 200 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 201} 202 203static void rtas_stop_self(PowerPCCPU *cpu, SpaprMachineState *spapr, 204 uint32_t token, uint32_t nargs, 205 target_ulong args, 206 uint32_t nret, target_ulong rets) 207{ 208 CPUState *cs = CPU(cpu); 209 CPUPPCState *env = &cpu->env; 210 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); 211 212 /* Disable Power-saving mode Exit Cause exceptions for the CPU. 213 * This could deliver an interrupt on a dying CPU and crash the 214 * guest. 215 * For the same reason, set PSSCR_EC. 216 */ 217 ppc_store_lpcr(cpu, env->spr[SPR_LPCR] & ~pcc->lpcr_pm); 218 env->spr[SPR_PSSCR] |= PSSCR_EC; 219 cs->halted = 1; 220 kvmppc_set_reg_ppc_online(cpu, 0); 221 qemu_cpu_kick(cs); 222} 223 224static void rtas_ibm_suspend_me(PowerPCCPU *cpu, SpaprMachineState *spapr, 225 uint32_t token, uint32_t nargs, 226 target_ulong args, 227 uint32_t nret, target_ulong rets) 228{ 229 CPUState *cs; 230 231 if (nargs != 0 || nret != 1) { 232 rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); 233 return; 234 } 235 236 CPU_FOREACH(cs) { 237 PowerPCCPU *c = POWERPC_CPU(cs); 238 CPUPPCState *e = &c->env; 239 if (c == cpu) { 240 continue; 241 } 242 243 /* See h_join */ 244 if (!cs->halted || (e->msr & (1ULL << MSR_EE))) { 245 rtas_st(rets, 0, H_MULTI_THREADS_ACTIVE); 246 return; 247 } 248 } 249 250 qemu_system_suspend_request(); 251 rtas_st(rets, 0, RTAS_OUT_SUCCESS); 252} 253 254static inline int sysparm_st(target_ulong addr, target_ulong len, 255 const void *val, uint16_t vallen) 256{ 257 hwaddr phys = ppc64_phys_to_real(addr); 258 259 if (len < 2) { 260 return RTAS_OUT_SYSPARM_PARAM_ERROR; 261 } 262 stw_be_phys(&address_space_memory, phys, vallen); 263 cpu_physical_memory_write(phys + 2, val, MIN(len - 2, vallen)); 264 return RTAS_OUT_SUCCESS; 265} 266 267static void rtas_ibm_get_system_parameter(PowerPCCPU *cpu, 268 SpaprMachineState *spapr, 269 uint32_t token, uint32_t nargs, 270 target_ulong args, 271 uint32_t nret, target_ulong rets) 272{ 273 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); 274 MachineState *ms = MACHINE(spapr); 275 target_ulong parameter = rtas_ld(args, 0); 276 target_ulong buffer = rtas_ld(args, 1); 277 target_ulong length = rtas_ld(args, 2); 278 target_ulong ret; 279 280 switch (parameter) { 281 case RTAS_SYSPARM_SPLPAR_CHARACTERISTICS: { 282 char *param_val = g_strdup_printf("MaxEntCap=%d," 283 "DesMem=%" PRIu64 "," 284 "DesProcs=%d," 285 "MaxPlatProcs=%d", 286 ms->smp.max_cpus, 287 ms->ram_size / MiB, 288 ms->smp.cpus, 289 ms->smp.max_cpus); 290 if (pcc->n_host_threads > 0) { 291 char *hostthr_val, *old = param_val; 292 293 /* 294 * Add HostThrs property. This property is not present in PAPR but 295 * is expected by some guests to communicate the number of physical 296 * host threads per core on the system so that they can scale 297 * information which varies based on the thread configuration. 298 */ 299 hostthr_val = g_strdup_printf(",HostThrs=%d", pcc->n_host_threads); 300 param_val = g_strconcat(param_val, hostthr_val, NULL); 301 g_free(hostthr_val); 302 g_free(old); 303 } 304 ret = sysparm_st(buffer, length, param_val, strlen(param_val) + 1); 305 g_free(param_val); 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 325static 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 345static 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 363static 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 388static 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 413static 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 456static 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 502static struct rtas_call { 503 const char *name; 504 spapr_rtas_fn fn; 505} rtas_table[RTAS_TOKEN_MAX - RTAS_TOKEN_BASE]; 506 507target_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 534uint64_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 552void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn) 553{ 554 assert((token >= RTAS_TOKEN_BASE) && (token < RTAS_TOKEN_MAX)); 555 556 token -= RTAS_TOKEN_BASE; 557 558 assert(!name || !rtas_table[token].name); 559 560 rtas_table[token].name = name; 561 rtas_table[token].fn = fn; 562} 563 564void spapr_dt_rtas_tokens(void *fdt, int rtas) 565{ 566 int i; 567 568 for (i = 0; i < RTAS_TOKEN_MAX - RTAS_TOKEN_BASE; i++) { 569 struct rtas_call *call = &rtas_table[i]; 570 571 if (!call->name) { 572 continue; 573 } 574 575 _FDT(fdt_setprop_cell(fdt, rtas, call->name, i + RTAS_TOKEN_BASE)); 576 } 577} 578 579hwaddr spapr_get_rtas_addr(void) 580{ 581 SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); 582 int rtas_node; 583 const fdt32_t *rtas_data; 584 void *fdt = spapr->fdt_blob; 585 586 /* fetch rtas addr from fdt */ 587 rtas_node = fdt_path_offset(fdt, "/rtas"); 588 if (rtas_node < 0) { 589 return 0; 590 } 591 592 rtas_data = fdt_getprop(fdt, rtas_node, "linux,rtas-base", NULL); 593 if (!rtas_data) { 594 return 0; 595 } 596 597 /* 598 * We assume that the OS called RTAS instantiate-rtas, but some other 599 * OS might call RTAS instantiate-rtas-64 instead. This fine as of now 600 * as SLOF only supports 32-bit variant. 601 */ 602 return (hwaddr)fdt32_to_cpu(*rtas_data); 603} 604 605static void core_rtas_register_types(void) 606{ 607 spapr_rtas_register(RTAS_DISPLAY_CHARACTER, "display-character", 608 rtas_display_character); 609 spapr_rtas_register(RTAS_POWER_OFF, "power-off", rtas_power_off); 610 spapr_rtas_register(RTAS_SYSTEM_REBOOT, "system-reboot", 611 rtas_system_reboot); 612 spapr_rtas_register(RTAS_QUERY_CPU_STOPPED_STATE, "query-cpu-stopped-state", 613 rtas_query_cpu_stopped_state); 614 spapr_rtas_register(RTAS_START_CPU, "start-cpu", rtas_start_cpu); 615 spapr_rtas_register(RTAS_STOP_SELF, "stop-self", rtas_stop_self); 616 spapr_rtas_register(RTAS_IBM_SUSPEND_ME, "ibm,suspend-me", 617 rtas_ibm_suspend_me); 618 spapr_rtas_register(RTAS_IBM_GET_SYSTEM_PARAMETER, 619 "ibm,get-system-parameter", 620 rtas_ibm_get_system_parameter); 621 spapr_rtas_register(RTAS_IBM_SET_SYSTEM_PARAMETER, 622 "ibm,set-system-parameter", 623 rtas_ibm_set_system_parameter); 624 spapr_rtas_register(RTAS_IBM_OS_TERM, "ibm,os-term", 625 rtas_ibm_os_term); 626 spapr_rtas_register(RTAS_SET_POWER_LEVEL, "set-power-level", 627 rtas_set_power_level); 628 spapr_rtas_register(RTAS_GET_POWER_LEVEL, "get-power-level", 629 rtas_get_power_level); 630 spapr_rtas_register(RTAS_IBM_NMI_REGISTER, "ibm,nmi-register", 631 rtas_ibm_nmi_register); 632 spapr_rtas_register(RTAS_IBM_NMI_INTERLOCK, "ibm,nmi-interlock", 633 rtas_ibm_nmi_interlock); 634} 635 636type_init(core_rtas_register_types)