xref: /openbmc/qemu/hw/ppc/spapr_rtas.c (revision 6016b7b4)
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 
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         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 
127 static 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 
203 static 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 
224 static 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 
254 static 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 
267 static 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, &param_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 void 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 
564 void 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 
579 hwaddr 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 
605 static 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 
636 type_init(core_rtas_register_types)
637