meson: convert qapi-specific to meson
[qemu.git] / hw / acpi / memory_hotplug.c
1 #include "qemu/osdep.h"
2 #include "hw/acpi/memory_hotplug.h"
3 #include "hw/acpi/pc-hotplug.h"
4 #include "hw/mem/pc-dimm.h"
5 #include "hw/boards.h"
6 #include "hw/qdev-core.h"
7 #include "migration/vmstate.h"
8 #include "trace.h"
9 #include "qapi/error.h"
10 #include "qapi/qapi-events-misc.h"
11
12 #define MEMORY_SLOTS_NUMBER "MDNR"
13 #define MEMORY_HOTPLUG_IO_REGION "HPMR"
14 #define MEMORY_SLOT_ADDR_LOW "MRBL"
15 #define MEMORY_SLOT_ADDR_HIGH "MRBH"
16 #define MEMORY_SLOT_SIZE_LOW "MRLL"
17 #define MEMORY_SLOT_SIZE_HIGH "MRLH"
18 #define MEMORY_SLOT_PROXIMITY "MPX"
19 #define MEMORY_SLOT_ENABLED "MES"
20 #define MEMORY_SLOT_INSERT_EVENT "MINS"
21 #define MEMORY_SLOT_REMOVE_EVENT "MRMV"
22 #define MEMORY_SLOT_EJECT "MEJ"
23 #define MEMORY_SLOT_SLECTOR "MSEL"
24 #define MEMORY_SLOT_OST_EVENT "MOEV"
25 #define MEMORY_SLOT_OST_STATUS "MOSC"
26 #define MEMORY_SLOT_LOCK "MLCK"
27 #define MEMORY_SLOT_STATUS_METHOD "MRST"
28 #define MEMORY_SLOT_CRS_METHOD "MCRS"
29 #define MEMORY_SLOT_OST_METHOD "MOST"
30 #define MEMORY_SLOT_PROXIMITY_METHOD "MPXM"
31 #define MEMORY_SLOT_EJECT_METHOD "MEJ0"
32 #define MEMORY_SLOT_NOTIFY_METHOD "MTFY"
33 #define MEMORY_HOTPLUG_DEVICE "MHPD"
34
35 static ACPIOSTInfo *acpi_memory_device_status(int slot, MemStatus *mdev)
36 {
37 ACPIOSTInfo *info = g_new0(ACPIOSTInfo, 1);
38
39 info->slot_type = ACPI_SLOT_TYPE_DIMM;
40 info->slot = g_strdup_printf("%d", slot);
41 info->source = mdev->ost_event;
42 info->status = mdev->ost_status;
43 if (mdev->dimm) {
44 DeviceState *dev = DEVICE(mdev->dimm);
45 if (dev->id) {
46 info->device = g_strdup(dev->id);
47 info->has_device = true;
48 }
49 }
50 return info;
51 }
52
53 void acpi_memory_ospm_status(MemHotplugState *mem_st, ACPIOSTInfoList ***list)
54 {
55 int i;
56
57 for (i = 0; i < mem_st->dev_count; i++) {
58 ACPIOSTInfoList *elem = g_new0(ACPIOSTInfoList, 1);
59 elem->value = acpi_memory_device_status(i, &mem_st->devs[i]);
60 elem->next = NULL;
61 **list = elem;
62 *list = &elem->next;
63 }
64 }
65
66 static uint64_t acpi_memory_hotplug_read(void *opaque, hwaddr addr,
67 unsigned int size)
68 {
69 uint32_t val = 0;
70 MemHotplugState *mem_st = opaque;
71 MemStatus *mdev;
72 Object *o;
73
74 if (mem_st->selector >= mem_st->dev_count) {
75 trace_mhp_acpi_invalid_slot_selected(mem_st->selector);
76 return 0;
77 }
78
79 mdev = &mem_st->devs[mem_st->selector];
80 o = OBJECT(mdev->dimm);
81 switch (addr) {
82 case 0x0: /* Lo part of phys address where DIMM is mapped */
83 val = o ? object_property_get_uint(o, PC_DIMM_ADDR_PROP, NULL) : 0;
84 trace_mhp_acpi_read_addr_lo(mem_st->selector, val);
85 break;
86 case 0x4: /* Hi part of phys address where DIMM is mapped */
87 val =
88 o ? object_property_get_uint(o, PC_DIMM_ADDR_PROP, NULL) >> 32 : 0;
89 trace_mhp_acpi_read_addr_hi(mem_st->selector, val);
90 break;
91 case 0x8: /* Lo part of DIMM size */
92 val = o ? object_property_get_uint(o, PC_DIMM_SIZE_PROP, NULL) : 0;
93 trace_mhp_acpi_read_size_lo(mem_st->selector, val);
94 break;
95 case 0xc: /* Hi part of DIMM size */
96 val =
97 o ? object_property_get_uint(o, PC_DIMM_SIZE_PROP, NULL) >> 32 : 0;
98 trace_mhp_acpi_read_size_hi(mem_st->selector, val);
99 break;
100 case 0x10: /* node proximity for _PXM method */
101 val = o ? object_property_get_uint(o, PC_DIMM_NODE_PROP, NULL) : 0;
102 trace_mhp_acpi_read_pxm(mem_st->selector, val);
103 break;
104 case 0x14: /* pack and return is_* fields */
105 val |= mdev->is_enabled ? 1 : 0;
106 val |= mdev->is_inserting ? 2 : 0;
107 val |= mdev->is_removing ? 4 : 0;
108 trace_mhp_acpi_read_flags(mem_st->selector, val);
109 break;
110 default:
111 val = ~0;
112 break;
113 }
114 return val;
115 }
116
117 static void acpi_memory_hotplug_write(void *opaque, hwaddr addr, uint64_t data,
118 unsigned int size)
119 {
120 MemHotplugState *mem_st = opaque;
121 MemStatus *mdev;
122 ACPIOSTInfo *info;
123 DeviceState *dev = NULL;
124 HotplugHandler *hotplug_ctrl = NULL;
125 Error *local_err = NULL;
126
127 if (!mem_st->dev_count) {
128 return;
129 }
130
131 if (addr) {
132 if (mem_st->selector >= mem_st->dev_count) {
133 trace_mhp_acpi_invalid_slot_selected(mem_st->selector);
134 return;
135 }
136 }
137
138 switch (addr) {
139 case 0x0: /* DIMM slot selector */
140 mem_st->selector = data;
141 trace_mhp_acpi_write_slot(mem_st->selector);
142 break;
143 case 0x4: /* _OST event */
144 mdev = &mem_st->devs[mem_st->selector];
145 if (data == 1) {
146 /* TODO: handle device insert OST event */
147 } else if (data == 3) {
148 /* TODO: handle device remove OST event */
149 }
150 mdev->ost_event = data;
151 trace_mhp_acpi_write_ost_ev(mem_st->selector, mdev->ost_event);
152 break;
153 case 0x8: /* _OST status */
154 mdev = &mem_st->devs[mem_st->selector];
155 mdev->ost_status = data;
156 trace_mhp_acpi_write_ost_status(mem_st->selector, mdev->ost_status);
157 /* TODO: implement memory removal on guest signal */
158
159 info = acpi_memory_device_status(mem_st->selector, mdev);
160 qapi_event_send_acpi_device_ost(info);
161 qapi_free_ACPIOSTInfo(info);
162 break;
163 case 0x14: /* set is_* fields */
164 mdev = &mem_st->devs[mem_st->selector];
165 if (data & 2) { /* clear insert event */
166 mdev->is_inserting = false;
167 trace_mhp_acpi_clear_insert_evt(mem_st->selector);
168 } else if (data & 4) {
169 mdev->is_removing = false;
170 trace_mhp_acpi_clear_remove_evt(mem_st->selector);
171 } else if (data & 8) {
172 if (!mdev->is_enabled) {
173 trace_mhp_acpi_ejecting_invalid_slot(mem_st->selector);
174 break;
175 }
176
177 dev = DEVICE(mdev->dimm);
178 hotplug_ctrl = qdev_get_hotplug_handler(dev);
179 /* call pc-dimm unplug cb */
180 hotplug_handler_unplug(hotplug_ctrl, dev, &local_err);
181 if (local_err) {
182 trace_mhp_acpi_pc_dimm_delete_failed(mem_st->selector);
183 qapi_event_send_mem_unplug_error(dev->id,
184 error_get_pretty(local_err));
185 error_free(local_err);
186 break;
187 }
188 object_unparent(OBJECT(dev));
189 trace_mhp_acpi_pc_dimm_deleted(mem_st->selector);
190 }
191 break;
192 default:
193 break;
194 }
195
196 }
197 static const MemoryRegionOps acpi_memory_hotplug_ops = {
198 .read = acpi_memory_hotplug_read,
199 .write = acpi_memory_hotplug_write,
200 .endianness = DEVICE_LITTLE_ENDIAN,
201 .valid = {
202 .min_access_size = 1,
203 .max_access_size = 4,
204 },
205 };
206
207 void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner,
208 MemHotplugState *state, hwaddr io_base)
209 {
210 MachineState *machine = MACHINE(qdev_get_machine());
211
212 state->dev_count = machine->ram_slots;
213 if (!state->dev_count) {
214 return;
215 }
216
217 state->devs = g_malloc0(sizeof(*state->devs) * state->dev_count);
218 memory_region_init_io(&state->io, owner, &acpi_memory_hotplug_ops, state,
219 "acpi-mem-hotplug", MEMORY_HOTPLUG_IO_LEN);
220 memory_region_add_subregion(as, io_base, &state->io);
221 }
222
223 /**
224 * acpi_memory_slot_status:
225 * @mem_st: memory hotplug state
226 * @dev: device
227 * @errp: set in case of an error
228 *
229 * Obtain a single memory slot status.
230 *
231 * This function will be called by memory unplug request cb and unplug cb.
232 */
233 static MemStatus *
234 acpi_memory_slot_status(MemHotplugState *mem_st,
235 DeviceState *dev, Error **errp)
236 {
237 Error *local_err = NULL;
238 int slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP,
239 &local_err);
240
241 if (local_err) {
242 error_propagate(errp, local_err);
243 return NULL;
244 }
245
246 if (slot >= mem_st->dev_count) {
247 char *dev_path = object_get_canonical_path(OBJECT(dev));
248 error_setg(errp, "acpi_memory_slot_status: "
249 "device [%s] returned invalid memory slot[%d]",
250 dev_path, slot);
251 g_free(dev_path);
252 return NULL;
253 }
254
255 return &mem_st->devs[slot];
256 }
257
258 void acpi_memory_plug_cb(HotplugHandler *hotplug_dev, MemHotplugState *mem_st,
259 DeviceState *dev, Error **errp)
260 {
261 MemStatus *mdev;
262 DeviceClass *dc = DEVICE_GET_CLASS(dev);
263
264 if (!dc->hotpluggable) {
265 return;
266 }
267
268 mdev = acpi_memory_slot_status(mem_st, dev, errp);
269 if (!mdev) {
270 return;
271 }
272
273 mdev->dimm = dev;
274 mdev->is_enabled = true;
275 if (dev->hotplugged) {
276 mdev->is_inserting = true;
277 acpi_send_event(DEVICE(hotplug_dev), ACPI_MEMORY_HOTPLUG_STATUS);
278 }
279 }
280
281 void acpi_memory_unplug_request_cb(HotplugHandler *hotplug_dev,
282 MemHotplugState *mem_st,
283 DeviceState *dev, Error **errp)
284 {
285 MemStatus *mdev;
286
287 mdev = acpi_memory_slot_status(mem_st, dev, errp);
288 if (!mdev) {
289 return;
290 }
291
292 mdev->is_removing = true;
293 acpi_send_event(DEVICE(hotplug_dev), ACPI_MEMORY_HOTPLUG_STATUS);
294 }
295
296 void acpi_memory_unplug_cb(MemHotplugState *mem_st,
297 DeviceState *dev, Error **errp)
298 {
299 MemStatus *mdev;
300
301 mdev = acpi_memory_slot_status(mem_st, dev, errp);
302 if (!mdev) {
303 return;
304 }
305
306 mdev->is_enabled = false;
307 mdev->dimm = NULL;
308 }
309
310 static const VMStateDescription vmstate_memhp_sts = {
311 .name = "memory hotplug device state",
312 .version_id = 1,
313 .minimum_version_id = 1,
314 .minimum_version_id_old = 1,
315 .fields = (VMStateField[]) {
316 VMSTATE_BOOL(is_enabled, MemStatus),
317 VMSTATE_BOOL(is_inserting, MemStatus),
318 VMSTATE_UINT32(ost_event, MemStatus),
319 VMSTATE_UINT32(ost_status, MemStatus),
320 VMSTATE_END_OF_LIST()
321 }
322 };
323
324 const VMStateDescription vmstate_memory_hotplug = {
325 .name = "memory hotplug state",
326 .version_id = 1,
327 .minimum_version_id = 1,
328 .minimum_version_id_old = 1,
329 .fields = (VMStateField[]) {
330 VMSTATE_UINT32(selector, MemHotplugState),
331 VMSTATE_STRUCT_VARRAY_POINTER_UINT32(devs, MemHotplugState, dev_count,
332 vmstate_memhp_sts, MemStatus),
333 VMSTATE_END_OF_LIST()
334 }
335 };
336
337 void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem,
338 const char *res_root,
339 const char *event_handler_method,
340 AmlRegionSpace rs, hwaddr memhp_io_base)
341 {
342 int i;
343 Aml *ifctx;
344 Aml *method;
345 Aml *dev_container;
346 Aml *mem_ctrl_dev;
347 char *mhp_res_path;
348
349 mhp_res_path = g_strdup_printf("%s." MEMORY_HOTPLUG_DEVICE, res_root);
350 mem_ctrl_dev = aml_device("%s", mhp_res_path);
351 {
352 Aml *crs;
353
354 aml_append(mem_ctrl_dev, aml_name_decl("_HID", aml_string("PNP0A06")));
355 aml_append(mem_ctrl_dev,
356 aml_name_decl("_UID", aml_string("Memory hotplug resources")));
357
358 crs = aml_resource_template();
359 if (rs == AML_SYSTEM_IO) {
360 aml_append(crs,
361 aml_io(AML_DECODE16, memhp_io_base, memhp_io_base, 0,
362 MEMORY_HOTPLUG_IO_LEN)
363 );
364 } else {
365 aml_append(crs, aml_memory32_fixed(memhp_io_base,
366 MEMORY_HOTPLUG_IO_LEN, AML_READ_WRITE));
367 }
368 aml_append(mem_ctrl_dev, aml_name_decl("_CRS", crs));
369
370 aml_append(mem_ctrl_dev, aml_operation_region(
371 MEMORY_HOTPLUG_IO_REGION, rs,
372 aml_int(memhp_io_base), MEMORY_HOTPLUG_IO_LEN)
373 );
374
375 }
376 aml_append(table, mem_ctrl_dev);
377
378 dev_container = aml_device(MEMORY_DEVICES_CONTAINER);
379 {
380 Aml *field;
381 Aml *one = aml_int(1);
382 Aml *zero = aml_int(0);
383 Aml *ret_val = aml_local(0);
384 Aml *slot_arg0 = aml_arg(0);
385 Aml *slots_nr = aml_name(MEMORY_SLOTS_NUMBER);
386 Aml *ctrl_lock = aml_name(MEMORY_SLOT_LOCK);
387 Aml *slot_selector = aml_name(MEMORY_SLOT_SLECTOR);
388 char *mmio_path = g_strdup_printf("%s." MEMORY_HOTPLUG_IO_REGION,
389 mhp_res_path);
390
391 aml_append(dev_container, aml_name_decl("_HID", aml_string("PNP0A06")));
392 aml_append(dev_container,
393 aml_name_decl("_UID", aml_string("DIMM devices")));
394
395 assert(nr_mem <= ACPI_MAX_RAM_SLOTS);
396 aml_append(dev_container,
397 aml_name_decl(MEMORY_SLOTS_NUMBER, aml_int(nr_mem))
398 );
399
400 field = aml_field(mmio_path, AML_DWORD_ACC,
401 AML_NOLOCK, AML_PRESERVE);
402 aml_append(field, /* read only */
403 aml_named_field(MEMORY_SLOT_ADDR_LOW, 32));
404 aml_append(field, /* read only */
405 aml_named_field(MEMORY_SLOT_ADDR_HIGH, 32));
406 aml_append(field, /* read only */
407 aml_named_field(MEMORY_SLOT_SIZE_LOW, 32));
408 aml_append(field, /* read only */
409 aml_named_field(MEMORY_SLOT_SIZE_HIGH, 32));
410 aml_append(field, /* read only */
411 aml_named_field(MEMORY_SLOT_PROXIMITY, 32));
412 aml_append(dev_container, field);
413
414 field = aml_field(mmio_path, AML_BYTE_ACC,
415 AML_NOLOCK, AML_WRITE_AS_ZEROS);
416 aml_append(field, aml_reserved_field(160 /* bits, Offset(20) */));
417 aml_append(field, /* 1 if enabled, read only */
418 aml_named_field(MEMORY_SLOT_ENABLED, 1));
419 aml_append(field,
420 /*(read) 1 if has a insert event. (write) 1 to clear event */
421 aml_named_field(MEMORY_SLOT_INSERT_EVENT, 1));
422 aml_append(field,
423 /* (read) 1 if has a remove event. (write) 1 to clear event */
424 aml_named_field(MEMORY_SLOT_REMOVE_EVENT, 1));
425 aml_append(field,
426 /* initiates device eject, write only */
427 aml_named_field(MEMORY_SLOT_EJECT, 1));
428 aml_append(dev_container, field);
429
430 field = aml_field(mmio_path, AML_DWORD_ACC,
431 AML_NOLOCK, AML_PRESERVE);
432 aml_append(field, /* DIMM selector, write only */
433 aml_named_field(MEMORY_SLOT_SLECTOR, 32));
434 aml_append(field, /* _OST event code, write only */
435 aml_named_field(MEMORY_SLOT_OST_EVENT, 32));
436 aml_append(field, /* _OST status code, write only */
437 aml_named_field(MEMORY_SLOT_OST_STATUS, 32));
438 aml_append(dev_container, field);
439 g_free(mmio_path);
440
441 method = aml_method("_STA", 0, AML_NOTSERIALIZED);
442 ifctx = aml_if(aml_equal(slots_nr, zero));
443 {
444 aml_append(ifctx, aml_return(zero));
445 }
446 aml_append(method, ifctx);
447 /* present, functioning, decoding, not shown in UI */
448 aml_append(method, aml_return(aml_int(0xB)));
449 aml_append(dev_container, method);
450
451 aml_append(dev_container, aml_mutex(MEMORY_SLOT_LOCK, 0));
452
453 method = aml_method(MEMORY_SLOT_SCAN_METHOD, 0, AML_NOTSERIALIZED);
454 {
455 Aml *else_ctx;
456 Aml *while_ctx;
457 Aml *idx = aml_local(0);
458 Aml *eject_req = aml_int(3);
459 Aml *dev_chk = aml_int(1);
460
461 ifctx = aml_if(aml_equal(slots_nr, zero));
462 {
463 aml_append(ifctx, aml_return(zero));
464 }
465 aml_append(method, ifctx);
466
467 aml_append(method, aml_store(zero, idx));
468 aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
469 /* build AML that:
470 * loops over all slots and Notifies DIMMs with
471 * Device Check or Eject Request notifications if
472 * slot has corresponding status bit set and clears
473 * slot status.
474 */
475 while_ctx = aml_while(aml_lless(idx, slots_nr));
476 {
477 Aml *ins_evt = aml_name(MEMORY_SLOT_INSERT_EVENT);
478 Aml *rm_evt = aml_name(MEMORY_SLOT_REMOVE_EVENT);
479
480 aml_append(while_ctx, aml_store(idx, slot_selector));
481 ifctx = aml_if(aml_equal(ins_evt, one));
482 {
483 aml_append(ifctx,
484 aml_call2(MEMORY_SLOT_NOTIFY_METHOD,
485 idx, dev_chk));
486 aml_append(ifctx, aml_store(one, ins_evt));
487 }
488 aml_append(while_ctx, ifctx);
489
490 else_ctx = aml_else();
491 ifctx = aml_if(aml_equal(rm_evt, one));
492 {
493 aml_append(ifctx,
494 aml_call2(MEMORY_SLOT_NOTIFY_METHOD,
495 idx, eject_req));
496 aml_append(ifctx, aml_store(one, rm_evt));
497 }
498 aml_append(else_ctx, ifctx);
499 aml_append(while_ctx, else_ctx);
500
501 aml_append(while_ctx, aml_add(idx, one, idx));
502 }
503 aml_append(method, while_ctx);
504 aml_append(method, aml_release(ctrl_lock));
505 aml_append(method, aml_return(one));
506 }
507 aml_append(dev_container, method);
508
509 method = aml_method(MEMORY_SLOT_STATUS_METHOD, 1, AML_NOTSERIALIZED);
510 {
511 Aml *slot_enabled = aml_name(MEMORY_SLOT_ENABLED);
512
513 aml_append(method, aml_store(zero, ret_val));
514 aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
515 aml_append(method,
516 aml_store(aml_to_integer(slot_arg0), slot_selector));
517
518 ifctx = aml_if(aml_equal(slot_enabled, one));
519 {
520 aml_append(ifctx, aml_store(aml_int(0xF), ret_val));
521 }
522 aml_append(method, ifctx);
523
524 aml_append(method, aml_release(ctrl_lock));
525 aml_append(method, aml_return(ret_val));
526 }
527 aml_append(dev_container, method);
528
529 method = aml_method(MEMORY_SLOT_CRS_METHOD, 1, AML_SERIALIZED);
530 {
531 Aml *mr64 = aml_name("MR64");
532 Aml *mr32 = aml_name("MR32");
533 Aml *crs_tmpl = aml_resource_template();
534 Aml *minl = aml_name("MINL");
535 Aml *minh = aml_name("MINH");
536 Aml *maxl = aml_name("MAXL");
537 Aml *maxh = aml_name("MAXH");
538 Aml *lenl = aml_name("LENL");
539 Aml *lenh = aml_name("LENH");
540
541 aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
542 aml_append(method, aml_store(aml_to_integer(slot_arg0),
543 slot_selector));
544
545 aml_append(crs_tmpl,
546 aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED,
547 AML_CACHEABLE, AML_READ_WRITE,
548 0, 0x0, 0xFFFFFFFFFFFFFFFEULL, 0,
549 0xFFFFFFFFFFFFFFFFULL));
550 aml_append(method, aml_name_decl("MR64", crs_tmpl));
551 aml_append(method,
552 aml_create_dword_field(mr64, aml_int(14), "MINL"));
553 aml_append(method,
554 aml_create_dword_field(mr64, aml_int(18), "MINH"));
555 aml_append(method,
556 aml_create_dword_field(mr64, aml_int(38), "LENL"));
557 aml_append(method,
558 aml_create_dword_field(mr64, aml_int(42), "LENH"));
559 aml_append(method,
560 aml_create_dword_field(mr64, aml_int(22), "MAXL"));
561 aml_append(method,
562 aml_create_dword_field(mr64, aml_int(26), "MAXH"));
563
564 aml_append(method,
565 aml_store(aml_name(MEMORY_SLOT_ADDR_HIGH), minh));
566 aml_append(method,
567 aml_store(aml_name(MEMORY_SLOT_ADDR_LOW), minl));
568 aml_append(method,
569 aml_store(aml_name(MEMORY_SLOT_SIZE_HIGH), lenh));
570 aml_append(method,
571 aml_store(aml_name(MEMORY_SLOT_SIZE_LOW), lenl));
572
573 /* 64-bit math: MAX = MIN + LEN - 1 */
574 aml_append(method, aml_add(minl, lenl, maxl));
575 aml_append(method, aml_add(minh, lenh, maxh));
576 ifctx = aml_if(aml_lless(maxl, minl));
577 {
578 aml_append(ifctx, aml_add(maxh, one, maxh));
579 }
580 aml_append(method, ifctx);
581 ifctx = aml_if(aml_lless(maxl, one));
582 {
583 aml_append(ifctx, aml_subtract(maxh, one, maxh));
584 }
585 aml_append(method, ifctx);
586 aml_append(method, aml_subtract(maxl, one, maxl));
587
588 /* return 32-bit _CRS if addr/size is in low mem */
589 /* TODO: remove it since all hotplugged DIMMs are in high mem */
590 ifctx = aml_if(aml_equal(maxh, zero));
591 {
592 crs_tmpl = aml_resource_template();
593 aml_append(crs_tmpl,
594 aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED,
595 AML_MAX_FIXED, AML_CACHEABLE,
596 AML_READ_WRITE,
597 0, 0x0, 0xFFFFFFFE, 0,
598 0xFFFFFFFF));
599 aml_append(ifctx, aml_name_decl("MR32", crs_tmpl));
600 aml_append(ifctx,
601 aml_create_dword_field(mr32, aml_int(10), "MIN"));
602 aml_append(ifctx,
603 aml_create_dword_field(mr32, aml_int(14), "MAX"));
604 aml_append(ifctx,
605 aml_create_dword_field(mr32, aml_int(22), "LEN"));
606 aml_append(ifctx, aml_store(minl, aml_name("MIN")));
607 aml_append(ifctx, aml_store(maxl, aml_name("MAX")));
608 aml_append(ifctx, aml_store(lenl, aml_name("LEN")));
609
610 aml_append(ifctx, aml_release(ctrl_lock));
611 aml_append(ifctx, aml_return(mr32));
612 }
613 aml_append(method, ifctx);
614
615 aml_append(method, aml_release(ctrl_lock));
616 aml_append(method, aml_return(mr64));
617 }
618 aml_append(dev_container, method);
619
620 method = aml_method(MEMORY_SLOT_PROXIMITY_METHOD, 1,
621 AML_NOTSERIALIZED);
622 {
623 Aml *proximity = aml_name(MEMORY_SLOT_PROXIMITY);
624
625 aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
626 aml_append(method, aml_store(aml_to_integer(slot_arg0),
627 slot_selector));
628 aml_append(method, aml_store(proximity, ret_val));
629 aml_append(method, aml_release(ctrl_lock));
630 aml_append(method, aml_return(ret_val));
631 }
632 aml_append(dev_container, method);
633
634 method = aml_method(MEMORY_SLOT_OST_METHOD, 4, AML_NOTSERIALIZED);
635 {
636 Aml *ost_evt = aml_name(MEMORY_SLOT_OST_EVENT);
637 Aml *ost_status = aml_name(MEMORY_SLOT_OST_STATUS);
638
639 aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
640 aml_append(method, aml_store(aml_to_integer(slot_arg0),
641 slot_selector));
642 aml_append(method, aml_store(aml_arg(1), ost_evt));
643 aml_append(method, aml_store(aml_arg(2), ost_status));
644 aml_append(method, aml_release(ctrl_lock));
645 }
646 aml_append(dev_container, method);
647
648 method = aml_method(MEMORY_SLOT_EJECT_METHOD, 2, AML_NOTSERIALIZED);
649 {
650 Aml *eject = aml_name(MEMORY_SLOT_EJECT);
651
652 aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
653 aml_append(method, aml_store(aml_to_integer(slot_arg0),
654 slot_selector));
655 aml_append(method, aml_store(one, eject));
656 aml_append(method, aml_release(ctrl_lock));
657 }
658 aml_append(dev_container, method);
659
660 /* build memory devices */
661 for (i = 0; i < nr_mem; i++) {
662 Aml *dev;
663 const char *s;
664
665 dev = aml_device("MP%02X", i);
666 aml_append(dev, aml_name_decl("_UID", aml_string("0x%02X", i)));
667 aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C80")));
668
669 method = aml_method("_CRS", 0, AML_NOTSERIALIZED);
670 s = MEMORY_SLOT_CRS_METHOD;
671 aml_append(method, aml_return(aml_call1(s, aml_name("_UID"))));
672 aml_append(dev, method);
673
674 method = aml_method("_STA", 0, AML_NOTSERIALIZED);
675 s = MEMORY_SLOT_STATUS_METHOD;
676 aml_append(method, aml_return(aml_call1(s, aml_name("_UID"))));
677 aml_append(dev, method);
678
679 method = aml_method("_PXM", 0, AML_NOTSERIALIZED);
680 s = MEMORY_SLOT_PROXIMITY_METHOD;
681 aml_append(method, aml_return(aml_call1(s, aml_name("_UID"))));
682 aml_append(dev, method);
683
684 method = aml_method("_OST", 3, AML_NOTSERIALIZED);
685 s = MEMORY_SLOT_OST_METHOD;
686 aml_append(method,
687 aml_call4(s, aml_name("_UID"), aml_arg(0),
688 aml_arg(1), aml_arg(2)));
689 aml_append(dev, method);
690
691 method = aml_method("_EJ0", 1, AML_NOTSERIALIZED);
692 s = MEMORY_SLOT_EJECT_METHOD;
693 aml_append(method,
694 aml_call2(s, aml_name("_UID"), aml_arg(0)));
695 aml_append(dev, method);
696
697 aml_append(dev_container, dev);
698 }
699
700 /* build Method(MEMORY_SLOT_NOTIFY_METHOD, 2) {
701 * If (LEqual(Arg0, 0x00)) {Notify(MP00, Arg1)} ... }
702 */
703 method = aml_method(MEMORY_SLOT_NOTIFY_METHOD, 2, AML_NOTSERIALIZED);
704 for (i = 0; i < nr_mem; i++) {
705 ifctx = aml_if(aml_equal(aml_arg(0), aml_int(i)));
706 aml_append(ifctx,
707 aml_notify(aml_name("MP%.02X", i), aml_arg(1))
708 );
709 aml_append(method, ifctx);
710 }
711 aml_append(dev_container, method);
712 }
713 aml_append(table, dev_container);
714
715 if (event_handler_method) {
716 method = aml_method(event_handler_method, 0, AML_NOTSERIALIZED);
717 aml_append(method, aml_call0(MEMORY_DEVICES_CONTAINER "."
718 MEMORY_SLOT_SCAN_METHOD));
719 aml_append(table, method);
720 }
721
722 g_free(mhp_res_path);
723 }