xref: /qemu/hw/ppc/spapr_rtas.c (revision 70589047) 
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 "cpu.h"
30 #include "qemu/log.h"
31 #include "qemu/error-report.h"
32 #include "sysemu/sysemu.h"
33 #include "sysemu/device_tree.h"
34 #include "sysemu/cpus.h"
35 #include "sysemu/hw_accel.h"
36 #include "sysemu/runstate.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 #include "hw/boards.h"
45 
46 #include <libfdt.h>
47 #include "hw/ppc/spapr_drc.h"
48 #include "qemu/cutils.h"
49 #include "trace.h"
50 #include "hw/ppc/fdt.h"
51 #include "target/ppc/mmu-hash64.h"
52 #include "target/ppc/mmu-book3s-v3.h"
53 #include "migration/blocker.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     PowerPCCPUClass *pcc;
137     target_ulong 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     pcc = POWERPC_CPU_GET_CLASS(newcpu);
157 
158     if (!CPU(newcpu)->halted) {
159         rtas_st(rets, 0, RTAS_OUT_HW_ERROR);
160         return;
161     }
162 
163     cpu_synchronize_state(CPU(newcpu));
164 
165     env->msr = (1ULL << MSR_SF) | (1ULL << MSR_ME);
166 
167     /* Enable Power-saving mode Exit Cause exceptions for the new CPU */
168     lpcr = env->spr[SPR_LPCR];
169     if (!pcc->interrupts_big_endian(callcpu)) {
170         lpcr |= LPCR_ILE;
171     }
172     if (env->mmu_model == POWERPC_MMU_3_00) {
173         /*
174          * New cpus are expected to start in the same radix/hash mode
175          * as the existing CPUs
176          */
177         if (ppc64_v3_radix(callcpu)) {
178             lpcr |= LPCR_UPRT | LPCR_GTSE | LPCR_HR;
179         } else {
180             lpcr &= ~(LPCR_UPRT | LPCR_GTSE | LPCR_HR);
181         }
182         env->spr[SPR_PSSCR] &= ~PSSCR_EC;
183     }
184     ppc_store_lpcr(newcpu, lpcr);
185 
186     /*
187      * Set the timebase offset of the new CPU to that of the invoking
188      * CPU.  This helps hotplugged CPU to have the correct timebase
189      * offset.
190      */
191     newcpu->env.tb_env->tb_offset = callcpu->env.tb_env->tb_offset;
192 
193     spapr_cpu_set_entry_state(newcpu, start, 0, r3, 0);
194 
195     qemu_cpu_kick(CPU(newcpu));
196 
197     rtas_st(rets, 0, RTAS_OUT_SUCCESS);
198 }
199 
200 static void rtas_stop_self(PowerPCCPU *cpu, SpaprMachineState *spapr,
201                            uint32_t token, uint32_t nargs,
202                            target_ulong args,
203                            uint32_t nret, target_ulong rets)
204 {
205     CPUState *cs = CPU(cpu);
206     CPUPPCState *env = &cpu->env;
207     PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
208 
209     /* Disable Power-saving mode Exit Cause exceptions for the CPU.
210      * This could deliver an interrupt on a dying CPU and crash the
211      * guest.
212      * For the same reason, set PSSCR_EC.
213      */
214     ppc_store_lpcr(cpu, env->spr[SPR_LPCR] & ~pcc->lpcr_pm);
215     env->spr[SPR_PSSCR] |= PSSCR_EC;
216     cs->halted = 1;
217     kvmppc_set_reg_ppc_online(cpu, 0);
218     qemu_cpu_kick(cs);
219 }
220 
221 static void rtas_ibm_suspend_me(PowerPCCPU *cpu, SpaprMachineState *spapr,
222                                 uint32_t token, uint32_t nargs,
223                                 target_ulong args,
224                                 uint32_t nret, target_ulong rets)
225 {
226     CPUState *cs;
227 
228     if (nargs != 0 || nret != 1) {
229         rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
230         return;
231     }
232 
233     CPU_FOREACH(cs) {
234         PowerPCCPU *c = POWERPC_CPU(cs);
235         CPUPPCState *e = &c->env;
236         if (c == cpu) {
237             continue;
238         }
239 
240         /* See h_join */
241         if (!cs->halted || (e->msr & (1ULL << MSR_EE))) {
242             rtas_st(rets, 0, H_MULTI_THREADS_ACTIVE);
243             return;
244         }
245     }
246 
247     qemu_system_suspend_request();
248     rtas_st(rets, 0, RTAS_OUT_SUCCESS);
249 }
250 
251 static inline int sysparm_st(target_ulong addr, target_ulong len,
252                              const void *val, uint16_t vallen)
253 {
254     hwaddr phys = ppc64_phys_to_real(addr);
255 
256     if (len < 2) {
257         return RTAS_OUT_SYSPARM_PARAM_ERROR;
258     }
259     stw_be_phys(&address_space_memory, phys, vallen);
260     cpu_physical_memory_write(phys + 2, val, MIN(len - 2, vallen));
261     return RTAS_OUT_SUCCESS;
262 }
263 
264 static void rtas_ibm_get_system_parameter(PowerPCCPU *cpu,
265                                           SpaprMachineState *spapr,
266                                           uint32_t token, uint32_t nargs,
267                                           target_ulong args,
268                                           uint32_t nret, target_ulong rets)
269 {
270     PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
271     MachineState *ms = MACHINE(spapr);
272     target_ulong parameter = rtas_ld(args, 0);
273     target_ulong buffer = rtas_ld(args, 1);
274     target_ulong length = rtas_ld(args, 2);
275     target_ulong ret;
276 
277     switch (parameter) {
278     case RTAS_SYSPARM_SPLPAR_CHARACTERISTICS: {
279         char *param_val = g_strdup_printf("MaxEntCap=%d,"
280                                           "DesMem=%" PRIu64 ","
281                                           "DesProcs=%d,"
282                                           "MaxPlatProcs=%d",
283                                           ms->smp.max_cpus,
284                                           ms->ram_size / MiB,
285                                           ms->smp.cpus,
286                                           ms->smp.max_cpus);
287         if (pcc->n_host_threads > 0) {
288             char *hostthr_val, *old = param_val;
289 
290             /*
291              * Add HostThrs property. This property is not present in PAPR but
292              * is expected by some guests to communicate the number of physical
293              * host threads per core on the system so that they can scale
294              * information which varies based on the thread configuration.
295              */
296             hostthr_val = g_strdup_printf(",HostThrs=%d", pcc->n_host_threads);
297             param_val = g_strconcat(param_val, hostthr_val, NULL);
298             g_free(hostthr_val);
299             g_free(old);
300         }
301         ret = sysparm_st(buffer, length, param_val, strlen(param_val) + 1);
302         g_free(param_val);
303         break;
304     }
305     case RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE: {
306         uint8_t param_val = DIAGNOSTICS_RUN_MODE_DISABLED;
307 
308         ret = sysparm_st(buffer, length, &param_val, sizeof(param_val));
309         break;
310     }
311     case RTAS_SYSPARM_UUID:
312         ret = sysparm_st(buffer, length, (unsigned char *)&qemu_uuid,
313                          (qemu_uuid_set ? 16 : 0));
314         break;
315     default:
316         ret = RTAS_OUT_NOT_SUPPORTED;
317     }
318 
319     rtas_st(rets, 0, ret);
320 }
321 
322 static void rtas_ibm_set_system_parameter(PowerPCCPU *cpu,
323                                           SpaprMachineState *spapr,
324                                           uint32_t token, uint32_t nargs,
325                                           target_ulong args,
326                                           uint32_t nret, target_ulong rets)
327 {
328     target_ulong parameter = rtas_ld(args, 0);
329     target_ulong ret = RTAS_OUT_NOT_SUPPORTED;
330 
331     switch (parameter) {
332     case RTAS_SYSPARM_SPLPAR_CHARACTERISTICS:
333     case RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE:
334     case RTAS_SYSPARM_UUID:
335         ret = RTAS_OUT_NOT_AUTHORIZED;
336         break;
337     }
338 
339     rtas_st(rets, 0, ret);
340 }
341 
342 static void rtas_ibm_os_term(PowerPCCPU *cpu,
343                             SpaprMachineState *spapr,
344                             uint32_t token, uint32_t nargs,
345                             target_ulong args,
346                             uint32_t nret, target_ulong rets)
347 {
348     target_ulong msgaddr = rtas_ld(args, 0);
349     char msg[512];
350 
351     cpu_physical_memory_read(msgaddr, msg, sizeof(msg) - 1);
352     msg[sizeof(msg) - 1] = 0;
353 
354     error_report("OS terminated: %s", msg);
355     qemu_system_guest_panicked(NULL);
356 
357     rtas_st(rets, 0, RTAS_OUT_SUCCESS);
358 }
359 
360 static void rtas_set_power_level(PowerPCCPU *cpu, SpaprMachineState *spapr,
361                                  uint32_t token, uint32_t nargs,
362                                  target_ulong args, uint32_t nret,
363                                  target_ulong rets)
364 {
365     int32_t power_domain;
366 
367     if (nargs != 2 || nret != 2) {
368         rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
369         return;
370     }
371 
372     /* we currently only use a single, "live insert" powerdomain for
373      * hotplugged/dlpar'd resources, so the power is always live/full (100)
374      */
375     power_domain = rtas_ld(args, 0);
376     if (power_domain != -1) {
377         rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED);
378         return;
379     }
380 
381     rtas_st(rets, 0, RTAS_OUT_SUCCESS);
382     rtas_st(rets, 1, 100);
383 }
384 
385 static void rtas_get_power_level(PowerPCCPU *cpu, SpaprMachineState *spapr,
386                                   uint32_t token, uint32_t nargs,
387                                   target_ulong args, uint32_t nret,
388                                   target_ulong rets)
389 {
390     int32_t power_domain;
391 
392     if (nargs != 1 || nret != 2) {
393         rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
394         return;
395     }
396 
397     /* we currently only use a single, "live insert" powerdomain for
398      * hotplugged/dlpar'd resources, so the power is always live/full (100)
399      */
400     power_domain = rtas_ld(args, 0);
401     if (power_domain != -1) {
402         rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED);
403         return;
404     }
405 
406     rtas_st(rets, 0, RTAS_OUT_SUCCESS);
407     rtas_st(rets, 1, 100);
408 }
409 
410 static void rtas_ibm_nmi_register(PowerPCCPU *cpu,
411                                   SpaprMachineState *spapr,
412                                   uint32_t token, uint32_t nargs,
413                                   target_ulong args,
414                                   uint32_t nret, target_ulong rets)
415 {
416     hwaddr rtas_addr;
417     target_ulong sreset_addr, mce_addr;
418 
419     if (spapr_get_cap(spapr, SPAPR_CAP_FWNMI) == SPAPR_CAP_OFF) {
420         rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED);
421         return;
422     }
423 
424     rtas_addr = spapr_get_rtas_addr();
425     if (!rtas_addr) {
426         rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED);
427         return;
428     }
429 
430     sreset_addr = rtas_ld(args, 0);
431     mce_addr = rtas_ld(args, 1);
432 
433     /* PAPR requires these are in the first 32M of memory and within RMA */
434     if (sreset_addr >= 32 * MiB || sreset_addr >= spapr->rma_size ||
435            mce_addr >= 32 * MiB ||    mce_addr >= spapr->rma_size) {
436         rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
437         return;
438     }
439 
440     if (kvm_enabled()) {
441         if (kvmppc_set_fwnmi(cpu) < 0) {
442             rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED);
443             return;
444         }
445     }
446 
447     spapr->fwnmi_system_reset_addr = sreset_addr;
448     spapr->fwnmi_machine_check_addr = mce_addr;
449 
450     rtas_st(rets, 0, RTAS_OUT_SUCCESS);
451 }
452 
453 static void rtas_ibm_nmi_interlock(PowerPCCPU *cpu,
454                                    SpaprMachineState *spapr,
455                                    uint32_t token, uint32_t nargs,
456                                    target_ulong args,
457                                    uint32_t nret, target_ulong rets)
458 {
459     if (spapr_get_cap(spapr, SPAPR_CAP_FWNMI) == SPAPR_CAP_OFF) {
460         rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED);
461         return;
462     }
463 
464     if (spapr->fwnmi_machine_check_addr == -1) {
465         qemu_log_mask(LOG_GUEST_ERROR,
466 "FWNMI: ibm,nmi-interlock RTAS called with FWNMI not registered.\n");
467 
468         /* NMI register not called */
469         rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
470         return;
471     }
472 
473     if (spapr->fwnmi_machine_check_interlock != cpu->vcpu_id) {
474         /*
475 	 * The vCPU that hit the NMI should invoke "ibm,nmi-interlock"
476          * This should be PARAM_ERROR, but Linux calls "ibm,nmi-interlock"
477 	 * for system reset interrupts, despite them not being interlocked.
478 	 * PowerVM silently ignores this and returns success here. Returning
479 	 * failure causes Linux to print the error "FWNMI: nmi-interlock
480 	 * failed: -3", although no other apparent ill effects, this is a
481 	 * regression for the user when enabling FWNMI. So for now, match
482 	 * PowerVM. When most Linux clients are fixed, this could be
483 	 * changed.
484 	 */
485         rtas_st(rets, 0, RTAS_OUT_SUCCESS);
486         return;
487     }
488 
489     /*
490      * vCPU issuing "ibm,nmi-interlock" is done with NMI handling,
491      * hence unset fwnmi_machine_check_interlock.
492      */
493     spapr->fwnmi_machine_check_interlock = -1;
494     qemu_cond_signal(&spapr->fwnmi_machine_check_interlock_cond);
495     rtas_st(rets, 0, RTAS_OUT_SUCCESS);
496     migrate_del_blocker(spapr->fwnmi_migration_blocker);
497 }
498 
499 static struct rtas_call {
500     const char *name;
501     spapr_rtas_fn fn;
502 } rtas_table[RTAS_TOKEN_MAX - RTAS_TOKEN_BASE];
503 
504 target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *spapr,
505                              uint32_t token, uint32_t nargs, target_ulong args,
506                              uint32_t nret, target_ulong rets)
507 {
508     if ((token >= RTAS_TOKEN_BASE) && (token < RTAS_TOKEN_MAX)) {
509         struct rtas_call *call = rtas_table + (token - RTAS_TOKEN_BASE);
510 
511         if (call->fn) {
512             call->fn(cpu, spapr, token, nargs, args, nret, rets);
513             return H_SUCCESS;
514         }
515     }
516 
517     /* HACK: Some Linux early debug code uses RTAS display-character,
518      * but assumes the token value is 0xa (which it is on some real
519      * machines) without looking it up in the device tree.  This
520      * special case makes this work */
521     if (token == 0xa) {
522         rtas_display_character(cpu, spapr, 0xa, nargs, args, nret, rets);
523         return H_SUCCESS;
524     }
525 
526     hcall_dprintf("Unknown RTAS token 0x%x\n", token);
527     rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
528     return H_PARAMETER;
529 }
530 
531 uint64_t qtest_rtas_call(char *cmd, uint32_t nargs, uint64_t args,
532                          uint32_t nret, uint64_t rets)
533 {
534     int token;
535 
536     for (token = 0; token < RTAS_TOKEN_MAX - RTAS_TOKEN_BASE; token++) {
537         if (strcmp(cmd, rtas_table[token].name) == 0) {
538             SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
539             PowerPCCPU *cpu = POWERPC_CPU(first_cpu);
540 
541             rtas_table[token].fn(cpu, spapr, token + RTAS_TOKEN_BASE,
542                                  nargs, args, nret, rets);
543             return H_SUCCESS;
544         }
545     }
546     return H_PARAMETER;
547 }
548 
549 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn)
550 {
551     assert((token >= RTAS_TOKEN_BASE) && (token < RTAS_TOKEN_MAX));
552 
553     token -= RTAS_TOKEN_BASE;
554 
555     assert(!name || !rtas_table[token].name);
556 
557     rtas_table[token].name = name;
558     rtas_table[token].fn = fn;
559 }
560 
561 void spapr_dt_rtas_tokens(void *fdt, int rtas)
562 {
563     int i;
564 
565     for (i = 0; i < RTAS_TOKEN_MAX - RTAS_TOKEN_BASE; i++) {
566         struct rtas_call *call = &rtas_table[i];
567 
568         if (!call->name) {
569             continue;
570         }
571 
572         _FDT(fdt_setprop_cell(fdt, rtas, call->name, i + RTAS_TOKEN_BASE));
573     }
574 }
575 
576 hwaddr spapr_get_rtas_addr(void)
577 {
578     SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
579     int rtas_node;
580     const fdt32_t *rtas_data;
581     void *fdt = spapr->fdt_blob;
582 
583     /* fetch rtas addr from fdt */
584     rtas_node = fdt_path_offset(fdt, "/rtas");
585     if (rtas_node < 0) {
586         return 0;
587     }
588 
589     rtas_data = fdt_getprop(fdt, rtas_node, "linux,rtas-base", NULL);
590     if (!rtas_data) {
591         return 0;
592     }
593 
594     /*
595      * We assume that the OS called RTAS instantiate-rtas, but some other
596      * OS might call RTAS instantiate-rtas-64 instead. This fine as of now
597      * as SLOF only supports 32-bit variant.
598      */
599     return (hwaddr)fdt32_to_cpu(*rtas_data);
600 }
601 
602 static void core_rtas_register_types(void)
603 {
604     spapr_rtas_register(RTAS_DISPLAY_CHARACTER, "display-character",
605                         rtas_display_character);
606     spapr_rtas_register(RTAS_POWER_OFF, "power-off", rtas_power_off);
607     spapr_rtas_register(RTAS_SYSTEM_REBOOT, "system-reboot",
608                         rtas_system_reboot);
609     spapr_rtas_register(RTAS_QUERY_CPU_STOPPED_STATE, "query-cpu-stopped-state",
610                         rtas_query_cpu_stopped_state);
611     spapr_rtas_register(RTAS_START_CPU, "start-cpu", rtas_start_cpu);
612     spapr_rtas_register(RTAS_STOP_SELF, "stop-self", rtas_stop_self);
613     spapr_rtas_register(RTAS_IBM_SUSPEND_ME, "ibm,suspend-me",
614                         rtas_ibm_suspend_me);
615     spapr_rtas_register(RTAS_IBM_GET_SYSTEM_PARAMETER,
616                         "ibm,get-system-parameter",
617                         rtas_ibm_get_system_parameter);
618     spapr_rtas_register(RTAS_IBM_SET_SYSTEM_PARAMETER,
619                         "ibm,set-system-parameter",
620                         rtas_ibm_set_system_parameter);
621     spapr_rtas_register(RTAS_IBM_OS_TERM, "ibm,os-term",
622                         rtas_ibm_os_term);
623     spapr_rtas_register(RTAS_SET_POWER_LEVEL, "set-power-level",
624                         rtas_set_power_level);
625     spapr_rtas_register(RTAS_GET_POWER_LEVEL, "get-power-level",
626                         rtas_get_power_level);
627     spapr_rtas_register(RTAS_IBM_NMI_REGISTER, "ibm,nmi-register",
628                         rtas_ibm_nmi_register);
629     spapr_rtas_register(RTAS_IBM_NMI_INTERLOCK, "ibm,nmi-interlock",
630                         rtas_ibm_nmi_interlock);
631 }
632 
633 type_init(core_rtas_register_types)
634