1#include "qemu/osdep.h"
2#include "migration/vmstate.h"
3#include "hw/acpi/cpu.h"
4#include "qapi/error.h"
5#include "qapi/qapi-events-acpi.h"
6#include "trace.h"
7#include "sysemu/numa.h"
8
9#define ACPI_CPU_HOTPLUG_REG_LEN 12
10#define ACPI_CPU_SELECTOR_OFFSET_WR 0
11#define ACPI_CPU_FLAGS_OFFSET_RW 4
12#define ACPI_CPU_CMD_OFFSET_WR 5
13#define ACPI_CPU_CMD_DATA_OFFSET_RW 8
14#define ACPI_CPU_CMD_DATA2_OFFSET_R 0
15
16#define OVMF_CPUHP_SMI_CMD 4
17
18enum {
19 CPHP_GET_NEXT_CPU_WITH_EVENT_CMD = 0,
20 CPHP_OST_EVENT_CMD = 1,
21 CPHP_OST_STATUS_CMD = 2,
22 CPHP_GET_CPU_ID_CMD = 3,
23 CPHP_CMD_MAX
24};
25
26static ACPIOSTInfo *acpi_cpu_device_status(int idx, AcpiCpuStatus *cdev)
27{
28 ACPIOSTInfo *info = g_new0(ACPIOSTInfo, 1);
29
30 info->slot_type = ACPI_SLOT_TYPE_CPU;
31 info->slot = g_strdup_printf("%d", idx);
32 info->source = cdev->ost_event;
33 info->status = cdev->ost_status;
34 if (cdev->cpu) {
35 DeviceState *dev = DEVICE(cdev->cpu);
36 if (dev->id) {
37 info->device = g_strdup(dev->id);
38 info->has_device = true;
39 }
40 }
41 return info;
42}
43
44void acpi_cpu_ospm_status(CPUHotplugState *cpu_st, ACPIOSTInfoList ***list)
45{
46 ACPIOSTInfoList ***tail = list;
47 int i;
48
49 for (i = 0; i < cpu_st->dev_count; i++) {
50 QAPI_LIST_APPEND(*tail, acpi_cpu_device_status(i, &cpu_st->devs[i]));
51 }
52}
53
54static uint64_t cpu_hotplug_rd(void *opaque, hwaddr addr, unsigned size)
55{
56 uint64_t val = 0;
57 CPUHotplugState *cpu_st = opaque;
58 AcpiCpuStatus *cdev;
59
60 if (cpu_st->selector >= cpu_st->dev_count) {
61 return val;
62 }
63
64 cdev = &cpu_st->devs[cpu_st->selector];
65 switch (addr) {
66 case ACPI_CPU_FLAGS_OFFSET_RW:
67 val |= cdev->cpu ? 1 : 0;
68 val |= cdev->is_inserting ? 2 : 0;
69 val |= cdev->is_removing ? 4 : 0;
70 val |= cdev->fw_remove ? 16 : 0;
71 trace_cpuhp_acpi_read_flags(cpu_st->selector, val);
72 break;
73 case ACPI_CPU_CMD_DATA_OFFSET_RW:
74 switch (cpu_st->command) {
75 case CPHP_GET_NEXT_CPU_WITH_EVENT_CMD:
76 val = cpu_st->selector;
77 break;
78 case CPHP_GET_CPU_ID_CMD:
79 val = cdev->arch_id & 0xFFFFFFFF;
80 break;
81 default:
82 break;
83 }
84 trace_cpuhp_acpi_read_cmd_data(cpu_st->selector, val);
85 break;
86 case ACPI_CPU_CMD_DATA2_OFFSET_R:
87 switch (cpu_st->command) {
88 case CPHP_GET_NEXT_CPU_WITH_EVENT_CMD:
89 val = 0;
90 break;
91 case CPHP_GET_CPU_ID_CMD:
92 val = cdev->arch_id >> 32;
93 break;
94 default:
95 break;
96 }
97 trace_cpuhp_acpi_read_cmd_data2(cpu_st->selector, val);
98 break;
99 default:
100 break;
101 }
102 return val;
103}
104
105static void cpu_hotplug_wr(void *opaque, hwaddr addr, uint64_t data,
106 unsigned int size)
107{
108 CPUHotplugState *cpu_st = opaque;
109 AcpiCpuStatus *cdev;
110 ACPIOSTInfo *info;
111
112 assert(cpu_st->dev_count);
113
114 if (addr) {
115 if (cpu_st->selector >= cpu_st->dev_count) {
116 trace_cpuhp_acpi_invalid_idx_selected(cpu_st->selector);
117 return;
118 }
119 }
120
121 switch (addr) {
122 case ACPI_CPU_SELECTOR_OFFSET_WR:
123 cpu_st->selector = data;
124 trace_cpuhp_acpi_write_idx(cpu_st->selector);
125 break;
126 case ACPI_CPU_FLAGS_OFFSET_RW:
127 cdev = &cpu_st->devs[cpu_st->selector];
128 if (data & 2) {
129 cdev->is_inserting = false;
130 trace_cpuhp_acpi_clear_inserting_evt(cpu_st->selector);
131 } else if (data & 4) {
132 cdev->is_removing = false;
133 trace_cpuhp_acpi_clear_remove_evt(cpu_st->selector);
134 } else if (data & 8) {
135 DeviceState *dev = NULL;
136 HotplugHandler *hotplug_ctrl = NULL;
137
138 if (!cdev->cpu || cdev->cpu == first_cpu) {
139 trace_cpuhp_acpi_ejecting_invalid_cpu(cpu_st->selector);
140 break;
141 }
142
143 trace_cpuhp_acpi_ejecting_cpu(cpu_st->selector);
144 dev = DEVICE(cdev->cpu);
145 hotplug_ctrl = qdev_get_hotplug_handler(dev);
146 hotplug_handler_unplug(hotplug_ctrl, dev, NULL);
147 object_unparent(OBJECT(dev));
148 cdev->fw_remove = false;
149 } else if (data & 16) {
150 if (!cdev->cpu || cdev->cpu == first_cpu) {
151 trace_cpuhp_acpi_fw_remove_invalid_cpu(cpu_st->selector);
152 break;
153 }
154 trace_cpuhp_acpi_fw_remove_cpu(cpu_st->selector);
155 cdev->fw_remove = true;
156 }
157 break;
158 case ACPI_CPU_CMD_OFFSET_WR:
159 trace_cpuhp_acpi_write_cmd(cpu_st->selector, data);
160 if (data < CPHP_CMD_MAX) {
161 cpu_st->command = data;
162 if (cpu_st->command == CPHP_GET_NEXT_CPU_WITH_EVENT_CMD) {
163 uint32_t iter = cpu_st->selector;
164
165 do {
166 cdev = &cpu_st->devs[iter];
167 if (cdev->is_inserting || cdev->is_removing ||
168 cdev->fw_remove) {
169 cpu_st->selector = iter;
170 trace_cpuhp_acpi_cpu_has_events(cpu_st->selector,
171 cdev->is_inserting, cdev->is_removing);
172 break;
173 }
174 iter = iter + 1 < cpu_st->dev_count ? iter + 1 : 0;
175 } while (iter != cpu_st->selector);
176 }
177 }
178 break;
179 case ACPI_CPU_CMD_DATA_OFFSET_RW:
180 switch (cpu_st->command) {
181 case CPHP_OST_EVENT_CMD: {
182 cdev = &cpu_st->devs[cpu_st->selector];
183 cdev->ost_event = data;
184 trace_cpuhp_acpi_write_ost_ev(cpu_st->selector, cdev->ost_event);
185 break;
186 }
187 case CPHP_OST_STATUS_CMD: {
188 cdev = &cpu_st->devs[cpu_st->selector];
189 cdev->ost_status = data;
190 info = acpi_cpu_device_status(cpu_st->selector, cdev);
191 qapi_event_send_acpi_device_ost(info);
192 qapi_free_ACPIOSTInfo(info);
193 trace_cpuhp_acpi_write_ost_status(cpu_st->selector,
194 cdev->ost_status);
195 break;
196 }
197 default:
198 break;
199 }
200 break;
201 default:
202 break;
203 }
204}
205
206static const MemoryRegionOps cpu_hotplug_ops = {
207 .read = cpu_hotplug_rd,
208 .write = cpu_hotplug_wr,
209 .endianness = DEVICE_LITTLE_ENDIAN,
210 .valid = {
211 .min_access_size = 1,
212 .max_access_size = 4,
213 },
214};
215
216void cpu_hotplug_hw_init(MemoryRegion *as, Object *owner,
217 CPUHotplugState *state, hwaddr base_addr)
218{
219 MachineState *machine = MACHINE(qdev_get_machine());
220 MachineClass *mc = MACHINE_GET_CLASS(machine);
221 const CPUArchIdList *id_list;
222 int i;
223
224 assert(mc->possible_cpu_arch_ids);
225 id_list = mc->possible_cpu_arch_ids(machine);
226 state->dev_count = id_list->len;
227 state->devs = g_new0(typeof(*state->devs), state->dev_count);
228 for (i = 0; i < id_list->len; i++) {
229 state->devs[i].cpu = CPU(id_list->cpus[i].cpu);
230 state->devs[i].arch_id = id_list->cpus[i].arch_id;
231 }
232 memory_region_init_io(&state->ctrl_reg, owner, &cpu_hotplug_ops, state,
233 "acpi-cpu-hotplug", ACPI_CPU_HOTPLUG_REG_LEN);
234 memory_region_add_subregion(as, base_addr, &state->ctrl_reg);
235}
236
237static AcpiCpuStatus *get_cpu_status(CPUHotplugState *cpu_st, DeviceState *dev)
238{
239 CPUClass *k = CPU_GET_CLASS(dev);
240 uint64_t cpu_arch_id = k->get_arch_id(CPU(dev));
241 int i;
242
243 for (i = 0; i < cpu_st->dev_count; i++) {
244 if (cpu_arch_id == cpu_st->devs[i].arch_id) {
245 return &cpu_st->devs[i];
246 }
247 }
248 return NULL;
249}
250
251void acpi_cpu_plug_cb(HotplugHandler *hotplug_dev,
252 CPUHotplugState *cpu_st, DeviceState *dev, Error **errp)
253{
254 AcpiCpuStatus *cdev;
255
256 cdev = get_cpu_status(cpu_st, dev);
257 if (!cdev) {
258 return;
259 }
260
261 cdev->cpu = CPU(dev);
262 if (dev->hotplugged) {
263 cdev->is_inserting = true;
264 acpi_send_event(DEVICE(hotplug_dev), ACPI_CPU_HOTPLUG_STATUS);
265 }
266}
267
268void acpi_cpu_unplug_request_cb(HotplugHandler *hotplug_dev,
269 CPUHotplugState *cpu_st,
270 DeviceState *dev, Error **errp)
271{
272 AcpiCpuStatus *cdev;
273
274 cdev = get_cpu_status(cpu_st, dev);
275 if (!cdev) {
276 return;
277 }
278
279 cdev->is_removing = true;
280 acpi_send_event(DEVICE(hotplug_dev), ACPI_CPU_HOTPLUG_STATUS);
281}
282
283void acpi_cpu_unplug_cb(CPUHotplugState *cpu_st,
284 DeviceState *dev, Error **errp)
285{
286 AcpiCpuStatus *cdev;
287
288 cdev = get_cpu_status(cpu_st, dev);
289 if (!cdev) {
290 return;
291 }
292
293 cdev->cpu = NULL;
294}
295
296static const VMStateDescription vmstate_cpuhp_sts = {
297 .name = "CPU hotplug device state",
298 .version_id = 1,
299 .minimum_version_id = 1,
300 .minimum_version_id_old = 1,
301 .fields = (VMStateField[]) {
302 VMSTATE_BOOL(is_inserting, AcpiCpuStatus),
303 VMSTATE_BOOL(is_removing, AcpiCpuStatus),
304 VMSTATE_UINT32(ost_event, AcpiCpuStatus),
305 VMSTATE_UINT32(ost_status, AcpiCpuStatus),
306 VMSTATE_END_OF_LIST()
307 }
308};
309
310const VMStateDescription vmstate_cpu_hotplug = {
311 .name = "CPU hotplug state",
312 .version_id = 1,
313 .minimum_version_id = 1,
314 .minimum_version_id_old = 1,
315 .fields = (VMStateField[]) {
316 VMSTATE_UINT32(selector, CPUHotplugState),
317 VMSTATE_UINT8(command, CPUHotplugState),
318 VMSTATE_STRUCT_VARRAY_POINTER_UINT32(devs, CPUHotplugState, dev_count,
319 vmstate_cpuhp_sts, AcpiCpuStatus),
320 VMSTATE_END_OF_LIST()
321 }
322};
323
324#define CPU_NAME_FMT "C%.03X"
325#define CPUHP_RES_DEVICE "PRES"
326#define CPU_LOCK "CPLK"
327#define CPU_STS_METHOD "CSTA"
328#define CPU_SCAN_METHOD "CSCN"
329#define CPU_NOTIFY_METHOD "CTFY"
330#define CPU_EJECT_METHOD "CEJ0"
331#define CPU_OST_METHOD "COST"
332#define CPU_ADDED_LIST "CNEW"
333
334#define CPU_ENABLED "CPEN"
335#define CPU_SELECTOR "CSEL"
336#define CPU_COMMAND "CCMD"
337#define CPU_DATA "CDAT"
338#define CPU_INSERT_EVENT "CINS"
339#define CPU_REMOVE_EVENT "CRMV"
340#define CPU_EJECT_EVENT "CEJ0"
341#define CPU_FW_EJECT_EVENT "CEJF"
342
343void build_cpus_aml(Aml *table, MachineState *machine, CPUHotplugFeatures opts,
344 hwaddr io_base,
345 const char *res_root,
346 const char *event_handler_method)
347{
348 Aml *ifctx;
349 Aml *field;
350 Aml *method;
351 Aml *cpu_ctrl_dev;
352 Aml *cpus_dev;
353 Aml *zero = aml_int(0);
354 Aml *one = aml_int(1);
355 Aml *sb_scope = aml_scope("_SB");
356 MachineClass *mc = MACHINE_GET_CLASS(machine);
357 const CPUArchIdList *arch_ids = mc->possible_cpu_arch_ids(machine);
358 char *cphp_res_path = g_strdup_printf("%s." CPUHP_RES_DEVICE, res_root);
359 Object *obj = object_resolve_path_type("", TYPE_ACPI_DEVICE_IF, NULL);
360 AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_GET_CLASS(obj);
361 AcpiDeviceIf *adev = ACPI_DEVICE_IF(obj);
362
363 cpu_ctrl_dev = aml_device("%s", cphp_res_path);
364 {
365 Aml *crs;
366
367 aml_append(cpu_ctrl_dev,
368 aml_name_decl("_HID", aml_eisaid("PNP0A06")));
369 aml_append(cpu_ctrl_dev,
370 aml_name_decl("_UID", aml_string("CPU Hotplug resources")));
371 aml_append(cpu_ctrl_dev, aml_mutex(CPU_LOCK, 0));
372
373 crs = aml_resource_template();
374 aml_append(crs, aml_io(AML_DECODE16, io_base, io_base, 1,
375 ACPI_CPU_HOTPLUG_REG_LEN));
376 aml_append(cpu_ctrl_dev, aml_name_decl("_CRS", crs));
377
378
379 aml_append(cpu_ctrl_dev,
380 aml_operation_region("PRST", AML_SYSTEM_IO, aml_int(io_base),
381 ACPI_CPU_HOTPLUG_REG_LEN));
382
383 field = aml_field("PRST", AML_BYTE_ACC, AML_NOLOCK,
384 AML_WRITE_AS_ZEROS);
385 aml_append(field, aml_reserved_field(ACPI_CPU_FLAGS_OFFSET_RW * 8));
386
387 aml_append(field, aml_named_field(CPU_ENABLED, 1));
388
389 aml_append(field, aml_named_field(CPU_INSERT_EVENT, 1));
390
391 aml_append(field, aml_named_field(CPU_REMOVE_EVENT, 1));
392
393 aml_append(field, aml_named_field(CPU_EJECT_EVENT, 1));
394
395 aml_append(field, aml_named_field(CPU_FW_EJECT_EVENT, 1));
396 aml_append(field, aml_reserved_field(3));
397 aml_append(field, aml_named_field(CPU_COMMAND, 8));
398 aml_append(cpu_ctrl_dev, field);
399
400 field = aml_field("PRST", AML_DWORD_ACC, AML_NOLOCK, AML_PRESERVE);
401
402 aml_append(field, aml_named_field(CPU_SELECTOR, 32));
403
404 aml_append(field, aml_reserved_field(4 * 8));
405 aml_append(field, aml_named_field(CPU_DATA, 32));
406 aml_append(cpu_ctrl_dev, field);
407
408 if (opts.has_legacy_cphp) {
409 method = aml_method("_INI", 0, AML_SERIALIZED);
410
411
412
413
414 aml_append(method, aml_store(zero, aml_name(CPU_SELECTOR)));
415 aml_append(cpu_ctrl_dev, method);
416 }
417 }
418 aml_append(sb_scope, cpu_ctrl_dev);
419
420 cpus_dev = aml_device("\\_SB.CPUS");
421 {
422 int i;
423 Aml *ctrl_lock = aml_name("%s.%s", cphp_res_path, CPU_LOCK);
424 Aml *cpu_selector = aml_name("%s.%s", cphp_res_path, CPU_SELECTOR);
425 Aml *is_enabled = aml_name("%s.%s", cphp_res_path, CPU_ENABLED);
426 Aml *cpu_cmd = aml_name("%s.%s", cphp_res_path, CPU_COMMAND);
427 Aml *cpu_data = aml_name("%s.%s", cphp_res_path, CPU_DATA);
428 Aml *ins_evt = aml_name("%s.%s", cphp_res_path, CPU_INSERT_EVENT);
429 Aml *rm_evt = aml_name("%s.%s", cphp_res_path, CPU_REMOVE_EVENT);
430 Aml *ej_evt = aml_name("%s.%s", cphp_res_path, CPU_EJECT_EVENT);
431 Aml *fw_ej_evt = aml_name("%s.%s", cphp_res_path, CPU_FW_EJECT_EVENT);
432
433 aml_append(cpus_dev, aml_name_decl("_HID", aml_string("ACPI0010")));
434 aml_append(cpus_dev, aml_name_decl("_CID", aml_eisaid("PNP0A05")));
435
436 method = aml_method(CPU_NOTIFY_METHOD, 2, AML_NOTSERIALIZED);
437 for (i = 0; i < arch_ids->len; i++) {
438 Aml *cpu = aml_name(CPU_NAME_FMT, i);
439 Aml *uid = aml_arg(0);
440 Aml *event = aml_arg(1);
441
442 ifctx = aml_if(aml_equal(uid, aml_int(i)));
443 {
444 aml_append(ifctx, aml_notify(cpu, event));
445 }
446 aml_append(method, ifctx);
447 }
448 aml_append(cpus_dev, method);
449
450 method = aml_method(CPU_STS_METHOD, 1, AML_SERIALIZED);
451 {
452 Aml *idx = aml_arg(0);
453 Aml *sta = aml_local(0);
454
455 aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
456 aml_append(method, aml_store(idx, cpu_selector));
457 aml_append(method, aml_store(zero, sta));
458 ifctx = aml_if(aml_equal(is_enabled, one));
459 {
460 aml_append(ifctx, aml_store(aml_int(0xF), sta));
461 }
462 aml_append(method, ifctx);
463 aml_append(method, aml_release(ctrl_lock));
464 aml_append(method, aml_return(sta));
465 }
466 aml_append(cpus_dev, method);
467
468 method = aml_method(CPU_EJECT_METHOD, 1, AML_SERIALIZED);
469 {
470 Aml *idx = aml_arg(0);
471
472 aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
473 aml_append(method, aml_store(idx, cpu_selector));
474 if (opts.fw_unplugs_cpu) {
475 aml_append(method, aml_store(one, fw_ej_evt));
476 aml_append(method, aml_store(aml_int(OVMF_CPUHP_SMI_CMD),
477 aml_name("%s", opts.smi_path)));
478 } else {
479 aml_append(method, aml_store(one, ej_evt));
480 }
481 aml_append(method, aml_release(ctrl_lock));
482 }
483 aml_append(cpus_dev, method);
484
485 method = aml_method(CPU_SCAN_METHOD, 0, AML_SERIALIZED);
486 {
487 const uint8_t max_cpus_per_pass = 255;
488 Aml *else_ctx;
489 Aml *while_ctx, *while_ctx2;
490 Aml *has_event = aml_local(0);
491 Aml *dev_chk = aml_int(1);
492 Aml *eject_req = aml_int(3);
493 Aml *next_cpu_cmd = aml_int(CPHP_GET_NEXT_CPU_WITH_EVENT_CMD);
494 Aml *num_added_cpus = aml_local(1);
495 Aml *cpu_idx = aml_local(2);
496 Aml *uid = aml_local(3);
497 Aml *has_job = aml_local(4);
498 Aml *new_cpus = aml_name(CPU_ADDED_LIST);
499
500 aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
501
502
503
504
505
506
507
508
509
510
511 aml_append(method, aml_name_decl(CPU_ADDED_LIST,
512 aml_package(max_cpus_per_pass)));
513
514 aml_append(method, aml_store(zero, uid));
515 aml_append(method, aml_store(one, has_job));
516
517
518
519
520
521 while_ctx2 = aml_while(aml_equal(has_job, one));
522 {
523 aml_append(while_ctx2, aml_store(zero, has_job));
524
525 aml_append(while_ctx2, aml_store(one, has_event));
526 aml_append(while_ctx2, aml_store(zero, num_added_cpus));
527
528
529
530
531
532 while_ctx = aml_while(aml_land(aml_equal(has_event, one),
533 aml_lless(uid, aml_int(arch_ids->len))));
534 {
535
536
537
538
539 aml_append(while_ctx, aml_store(zero, has_event));
540
541 aml_append(while_ctx, aml_store(uid, cpu_selector));
542 aml_append(while_ctx, aml_store(next_cpu_cmd, cpu_cmd));
543
544
545
546
547
548
549 ifctx = aml_if(aml_lless(cpu_data, uid));
550 {
551 aml_append(ifctx, aml_break());
552 }
553 aml_append(while_ctx, ifctx);
554
555
556
557
558
559 ifctx = aml_if(
560 aml_equal(num_added_cpus, aml_int(max_cpus_per_pass)));
561 {
562 aml_append(ifctx, aml_store(one, has_job));
563 aml_append(ifctx, aml_break());
564 }
565 aml_append(while_ctx, ifctx);
566
567 aml_append(while_ctx, aml_store(cpu_data, uid));
568 ifctx = aml_if(aml_equal(ins_evt, one));
569 {
570
571 aml_append(ifctx, aml_store(uid,
572 aml_index(new_cpus, num_added_cpus)));
573 aml_append(ifctx, aml_increment(num_added_cpus));
574 aml_append(ifctx, aml_store(one, has_event));
575 }
576 aml_append(while_ctx, ifctx);
577 else_ctx = aml_else();
578 ifctx = aml_if(aml_equal(rm_evt, one));
579 {
580 aml_append(ifctx,
581 aml_call2(CPU_NOTIFY_METHOD, uid, eject_req));
582 aml_append(ifctx, aml_store(one, rm_evt));
583 aml_append(ifctx, aml_store(one, has_event));
584 }
585 aml_append(else_ctx, ifctx);
586 aml_append(while_ctx, else_ctx);
587 aml_append(while_ctx, aml_increment(uid));
588 }
589 aml_append(while_ctx2, while_ctx);
590
591
592
593
594
595
596 if (opts.smi_path) {
597 ifctx = aml_if(aml_lgreater(num_added_cpus, zero));
598 {
599 aml_append(ifctx, aml_store(aml_int(OVMF_CPUHP_SMI_CMD),
600 aml_name("%s", opts.smi_path)));
601 }
602 aml_append(while_ctx2, ifctx);
603 }
604
605
606 aml_append(while_ctx2, aml_store(zero, cpu_idx));
607 while_ctx = aml_while(aml_lless(cpu_idx, num_added_cpus));
608 {
609 aml_append(while_ctx,
610 aml_store(aml_derefof(aml_index(new_cpus, cpu_idx)),
611 uid));
612 aml_append(while_ctx,
613 aml_call2(CPU_NOTIFY_METHOD, uid, dev_chk));
614 aml_append(while_ctx, aml_store(uid, aml_debug()));
615 aml_append(while_ctx, aml_store(uid, cpu_selector));
616 aml_append(while_ctx, aml_store(one, ins_evt));
617 aml_append(while_ctx, aml_increment(cpu_idx));
618 }
619 aml_append(while_ctx2, while_ctx);
620
621
622
623
624
625
626
627
628
629 }
630 aml_append(method, while_ctx2);
631 aml_append(method, aml_release(ctrl_lock));
632 }
633 aml_append(cpus_dev, method);
634
635 method = aml_method(CPU_OST_METHOD, 4, AML_SERIALIZED);
636 {
637 Aml *uid = aml_arg(0);
638 Aml *ev_cmd = aml_int(CPHP_OST_EVENT_CMD);
639 Aml *st_cmd = aml_int(CPHP_OST_STATUS_CMD);
640
641 aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
642 aml_append(method, aml_store(uid, cpu_selector));
643 aml_append(method, aml_store(ev_cmd, cpu_cmd));
644 aml_append(method, aml_store(aml_arg(1), cpu_data));
645 aml_append(method, aml_store(st_cmd, cpu_cmd));
646 aml_append(method, aml_store(aml_arg(2), cpu_data));
647 aml_append(method, aml_release(ctrl_lock));
648 }
649 aml_append(cpus_dev, method);
650
651
652 for (i = 0; i < arch_ids->len; i++) {
653 Aml *dev;
654 Aml *uid = aml_int(i);
655 GArray *madt_buf = g_array_new(0, 1, 1);
656 int arch_id = arch_ids->cpus[i].arch_id;
657
658 if (opts.acpi_1_compatible && arch_id < 255) {
659 dev = aml_processor(i, 0, 0, CPU_NAME_FMT, i);
660 } else {
661 dev = aml_device(CPU_NAME_FMT, i);
662 aml_append(dev, aml_name_decl("_HID", aml_string("ACPI0007")));
663 aml_append(dev, aml_name_decl("_UID", uid));
664 }
665
666 method = aml_method("_STA", 0, AML_SERIALIZED);
667 aml_append(method, aml_return(aml_call1(CPU_STS_METHOD, uid)));
668 aml_append(dev, method);
669
670
671 assert(adevc && adevc->madt_cpu);
672 adevc->madt_cpu(adev, i, arch_ids, madt_buf);
673 switch (madt_buf->data[0]) {
674 case ACPI_APIC_PROCESSOR: {
675 AcpiMadtProcessorApic *apic = (void *)madt_buf->data;
676 apic->flags = cpu_to_le32(1);
677 break;
678 }
679 case ACPI_APIC_LOCAL_X2APIC: {
680 AcpiMadtProcessorX2Apic *apic = (void *)madt_buf->data;
681 apic->flags = cpu_to_le32(1);
682 break;
683 }
684 default:
685 assert(0);
686 }
687 aml_append(dev, aml_name_decl("_MAT",
688 aml_buffer(madt_buf->len, (uint8_t *)madt_buf->data)));
689 g_array_free(madt_buf, true);
690
691 if (CPU(arch_ids->cpus[i].cpu) != first_cpu) {
692 method = aml_method("_EJ0", 1, AML_NOTSERIALIZED);
693 aml_append(method, aml_call1(CPU_EJECT_METHOD, uid));
694 aml_append(dev, method);
695 }
696
697 method = aml_method("_OST", 3, AML_SERIALIZED);
698 aml_append(method,
699 aml_call4(CPU_OST_METHOD, uid, aml_arg(0),
700 aml_arg(1), aml_arg(2))
701 );
702 aml_append(dev, method);
703
704
705
706
707
708 if (arch_ids->cpus[i].props.has_node_id) {
709 aml_append(dev, aml_name_decl("_PXM",
710 aml_int(arch_ids->cpus[i].props.node_id)));
711 }
712
713 aml_append(cpus_dev, dev);
714 }
715 }
716 aml_append(sb_scope, cpus_dev);
717 aml_append(table, sb_scope);
718
719 method = aml_method(event_handler_method, 0, AML_NOTSERIALIZED);
720 aml_append(method, aml_call0("\\_SB.CPUS." CPU_SCAN_METHOD));
721 aml_append(table, method);
722
723 g_free(cphp_res_path);
724}
725
