]> Git Repo - qemu.git/blame - hw/acpi/memory_hotplug.c
projects / qemu.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
memhp: move memory hotplug only defines to memory_hotplug.c
[qemu.git] / hw / acpi / memory_hotplug.c
CommitLineData
b6a0aa05 1#include "qemu/osdep.h"
3ef77aca
IM		 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"
c06b2ffb 6#include "hw/qdev-core.h"
dfe292ff 7#include "trace.h"
5f41fbba 8#include "qapi-event.h"
3ef77aca 9
c9c08545
IM		 10#define MEMORY_SLOTS_NUMBER "MDNR"
11#define MEMORY_HOTPLUG_IO_REGION "HPMR"
12#define MEMORY_SLOT_ADDR_LOW "MRBL"
13#define MEMORY_SLOT_ADDR_HIGH "MRBH"
14#define MEMORY_SLOT_SIZE_LOW "MRLL"
15#define MEMORY_SLOT_SIZE_HIGH "MRLH"
16#define MEMORY_SLOT_PROXIMITY "MPX"
17#define MEMORY_SLOT_ENABLED "MES"
18#define MEMORY_SLOT_INSERT_EVENT "MINS"
19#define MEMORY_SLOT_REMOVE_EVENT "MRMV"
20#define MEMORY_SLOT_EJECT "MEJ"
21#define MEMORY_SLOT_SLECTOR "MSEL"
22#define MEMORY_SLOT_OST_EVENT "MOEV"
23#define MEMORY_SLOT_OST_STATUS "MOSC"
24#define MEMORY_SLOT_LOCK "MLCK"
25#define MEMORY_SLOT_STATUS_METHOD "MRST"
26#define MEMORY_SLOT_CRS_METHOD "MCRS"
27#define MEMORY_SLOT_OST_METHOD "MOST"
28#define MEMORY_SLOT_PROXIMITY_METHOD "MPXM"
29#define MEMORY_SLOT_EJECT_METHOD "MEJ0"
30#define MEMORY_SLOT_NOTIFY_METHOD "MTFY"
31#define MEMORY_SLOT_SCAN_METHOD "MSCN"
32#define MEMORY_HOTPLUG_DEVICE "MHPD"
33
43f50410
IM		 34static ACPIOSTInfo *acpi_memory_device_status(int slot, MemStatus *mdev)
35{
36 ACPIOSTInfo *info = g_new0(ACPIOSTInfo, 1);
37
38 info->slot_type = ACPI_SLOT_TYPE_DIMM;
39 info->slot = g_strdup_printf("%d", slot);
40 info->source = mdev->ost_event;
41 info->status = mdev->ost_status;
42 if (mdev->dimm) {
43 DeviceState *dev = DEVICE(mdev->dimm);
44 if (dev->id) {
45 info->device = g_strdup(dev->id);
46 info->has_device = true;
47 }
48 }
49 return info;
50}
51
52void acpi_memory_ospm_status(MemHotplugState *mem_st, ACPIOSTInfoList ***list)
53{
54 int i;
55
56 for (i = 0; i < mem_st->dev_count; i++) {
57 ACPIOSTInfoList *elem = g_new0(ACPIOSTInfoList, 1);
58 elem->value = acpi_memory_device_status(i, &mem_st->devs[i]);
59 elem->next = NULL;
60 **list = elem;
61 *list = &elem->next;
62 }
63}
64
3ef77aca
IM		 65static uint64_t acpi_memory_hotplug_read(void *opaque, hwaddr addr,
66 unsigned int size)
67{
68 uint32_t val = 0;
69 MemHotplugState *mem_st = opaque;
70 MemStatus *mdev;
71 Object *o;
72
73 if (mem_st->selector >= mem_st->dev_count) {
dfe292ff 74 trace_mhp_acpi_invalid_slot_selected(mem_st->selector);
3ef77aca
IM		 75 return 0;
76 }
77
78 mdev = &mem_st->devs[mem_st->selector];
79 o = OBJECT(mdev->dimm);
80 switch (addr) {
81 case 0x0: /* Lo part of phys address where DIMM is mapped */
82 val = o ? object_property_get_int(o, PC_DIMM_ADDR_PROP, NULL) : 0;
dfe292ff 83 trace_mhp_acpi_read_addr_lo(mem_st->selector, val);
3ef77aca
IM		 84 break;
85 case 0x4: /* Hi part of phys address where DIMM is mapped */
86 val = o ? object_property_get_int(o, PC_DIMM_ADDR_PROP, NULL) >> 32 : 0;
dfe292ff 87 trace_mhp_acpi_read_addr_hi(mem_st->selector, val);
3ef77aca
IM		 88 break;
89 case 0x8: /* Lo part of DIMM size */
90 val = o ? object_property_get_int(o, PC_DIMM_SIZE_PROP, NULL) : 0;
dfe292ff 91 trace_mhp_acpi_read_size_lo(mem_st->selector, val);
3ef77aca
IM		 92 break;
93 case 0xc: /* Hi part of DIMM size */
94 val = o ? object_property_get_int(o, PC_DIMM_SIZE_PROP, NULL) >> 32 : 0;
dfe292ff 95 trace_mhp_acpi_read_size_hi(mem_st->selector, val);
3ef77aca
IM		 96 break;
97 case 0x10: /* node proximity for _PXM method */
98 val = o ? object_property_get_int(o, PC_DIMM_NODE_PROP, NULL) : 0;
dfe292ff 99 trace_mhp_acpi_read_pxm(mem_st->selector, val);
3ef77aca
IM		 100 break;
101 case 0x14: /* pack and return is_* fields */
102 val |= mdev->is_enabled ? 1 : 0;
103 val |= mdev->is_inserting ? 2 : 0;
64fec58e 104 val |= mdev->is_removing ? 4 : 0;
dfe292ff 105 trace_mhp_acpi_read_flags(mem_st->selector, val);
3ef77aca
IM		 106 break;
107 default:
108 val = ~0;
109 break;
110 }
111 return val;
112}
113
114static void acpi_memory_hotplug_write(void *opaque, hwaddr addr, uint64_t data,
115 unsigned int size)
116{
117 MemHotplugState *mem_st = opaque;
118 MemStatus *mdev;
5f41fbba 119 ACPIOSTInfo *info;
c06b2ffb
ZG		 120 DeviceState *dev = NULL;
121 HotplugHandler *hotplug_ctrl = NULL;
bc09e061 122 Error *local_err = NULL;
3ef77aca
IM		 123
124 if (!mem_st->dev_count) {
125 return;
126 }
127
128 if (addr) {
129 if (mem_st->selector >= mem_st->dev_count) {
dfe292ff 130 trace_mhp_acpi_invalid_slot_selected(mem_st->selector);
3ef77aca
IM		 131 return;
132 }
133 }
134
135 switch (addr) {
136 case 0x0: /* DIMM slot selector */
137 mem_st->selector = data;
dfe292ff 138 trace_mhp_acpi_write_slot(mem_st->selector);
3ef77aca
IM		 139 break;
140 case 0x4: /* _OST event */
141 mdev = &mem_st->devs[mem_st->selector];
142 if (data == 1) {
143 /* TODO: handle device insert OST event */
144 } else if (data == 3) {
145 /* TODO: handle device remove OST event */
146 }
147 mdev->ost_event = data;
dfe292ff 148 trace_mhp_acpi_write_ost_ev(mem_st->selector, mdev->ost_event);
3ef77aca
IM		 149 break;
150 case 0x8: /* _OST status */
151 mdev = &mem_st->devs[mem_st->selector];
152 mdev->ost_status = data;
dfe292ff 153 trace_mhp_acpi_write_ost_status(mem_st->selector, mdev->ost_status);
3ef77aca 154 /* TODO: implement memory removal on guest signal */
5f41fbba
IM		 155
156 info = acpi_memory_device_status(mem_st->selector, mdev);
157 qapi_event_send_acpi_device_ost(info, &error_abort);
158 qapi_free_ACPIOSTInfo(info);
3ef77aca 159 break;
c06b2ffb 160 case 0x14: /* set is_* fields */
3ef77aca
IM		 161 mdev = &mem_st->devs[mem_st->selector];
162 if (data & 2) { /* clear insert event */
163 mdev->is_inserting = false;
dfe292ff 164 trace_mhp_acpi_clear_insert_evt(mem_st->selector);
c06b2ffb
ZG		 165 } else if (data & 4) {
166 mdev->is_removing = false;
167 trace_mhp_acpi_clear_remove_evt(mem_st->selector);
168 } else if (data & 8) {
169 if (!mdev->is_enabled) {
170 trace_mhp_acpi_ejecting_invalid_slot(mem_st->selector);
171 break;
172 }
173
174 dev = DEVICE(mdev->dimm);
175 hotplug_ctrl = qdev_get_hotplug_handler(dev);
176 /* call pc-dimm unplug cb */
bc09e061
ZG		 177 hotplug_handler_unplug(hotplug_ctrl, dev, &local_err);
178 if (local_err) {
179 trace_mhp_acpi_pc_dimm_delete_failed(mem_st->selector);
180 qapi_event_send_mem_unplug_error(dev->id,
181 error_get_pretty(local_err),
182 &error_abort);
903a41d3 183 error_free(local_err);
bc09e061
ZG		 184 break;
185 }
c06b2ffb 186 trace_mhp_acpi_pc_dimm_deleted(mem_st->selector);
3ef77aca
IM		 187 }
188 break;
c06b2ffb
ZG		 189 default:
190 break;
3ef77aca
IM		 191 }
192
193}
194static const MemoryRegionOps acpi_memory_hotplug_ops = {
195 .read = acpi_memory_hotplug_read,
196 .write = acpi_memory_hotplug_write,
197 .endianness = DEVICE_LITTLE_ENDIAN,
198 .valid = {
199 .min_access_size = 1,
200 .max_access_size = 4,
201 },
202};
203
204void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner,
205 MemHotplugState *state)
206{
207 MachineState *machine = MACHINE(qdev_get_machine());
208
209 state->dev_count = machine->ram_slots;
210 if (!state->dev_count) {
211 return;
212 }
213
214 state->devs = g_malloc0(sizeof(*state->devs) * state->dev_count);
215 memory_region_init_io(&state->io, owner, &acpi_memory_hotplug_ops, state,
22dc50d7 216 "acpi-mem-hotplug", ACPI_MEMORY_HOTPLUG_IO_LEN);
3ef77aca
IM		 217 memory_region_add_subregion(as, ACPI_MEMORY_HOTPLUG_BASE, &state->io);
218}
219
4aae99b6
TC		 220/**
221 * acpi_memory_slot_status:
222 * @mem_st: memory hotplug state
223 * @dev: device
224 * @errp: set in case of an error
225 *
226 * Obtain a single memory slot status.
227 *
228 * This function will be called by memory unplug request cb and unplug cb.
229 */
230static MemStatus *
231acpi_memory_slot_status(MemHotplugState *mem_st,
232 DeviceState *dev, Error **errp)
3ef77aca 233{
3ef77aca 234 Error *local_err = NULL;
1d515701
TC		 235 int slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP,
236 &local_err);
3ef77aca
IM		 237
238 if (local_err) {
239 error_propagate(errp, local_err);
4aae99b6 240 return NULL;
3ef77aca
IM		 241 }
242
243 if (slot >= mem_st->dev_count) {
244 char *dev_path = object_get_canonical_path(OBJECT(dev));
4aae99b6 245 error_setg(errp, "acpi_memory_slot_status: "
3ef77aca
IM		 246 "device [%s] returned invalid memory slot[%d]",
247 dev_path, slot);
248 g_free(dev_path);
4aae99b6
TC		 249 return NULL;
250 }
251
252 return &mem_st->devs[slot];
253}
254
0058c082 255void acpi_memory_plug_cb(HotplugHandler *hotplug_dev, MemHotplugState *mem_st,
4aae99b6
TC		 256 DeviceState *dev, Error **errp)
257{
258 MemStatus *mdev;
75f27498
XG		 259 DeviceClass *dc = DEVICE_GET_CLASS(dev);
260
261 if (!dc->hotpluggable) {
262 return;
263 }
4aae99b6
TC		 264
265 mdev = acpi_memory_slot_status(mem_st, dev, errp);
266 if (!mdev) {
3ef77aca
IM		 267 return;
268 }
269
3ef77aca 270 mdev->dimm = dev;
75f27498 271 mdev->is_enabled = true;
4828b10b 272 if (dev->hotplugged) {
75f27498
XG		 273 mdev->is_inserting = true;
274 acpi_send_event(DEVICE(hotplug_dev), ACPI_MEMORY_HOTPLUG_STATUS);
4828b10b 275 }
3ef77aca 276}
f816a62d 277
0058c082 278void acpi_memory_unplug_request_cb(HotplugHandler *hotplug_dev,
64fec58e
TC		 279 MemHotplugState *mem_st,
280 DeviceState *dev, Error **errp)
281{
282 MemStatus *mdev;
283
284 mdev = acpi_memory_slot_status(mem_st, dev, errp);
285 if (!mdev) {
286 return;
287 }
288
289 mdev->is_removing = true;
0058c082 290 acpi_send_event(DEVICE(hotplug_dev), ACPI_MEMORY_HOTPLUG_STATUS);
64fec58e
TC		 291}
292
f7d3e29d
TC		 293void acpi_memory_unplug_cb(MemHotplugState *mem_st,
294 DeviceState *dev, Error **errp)
295{
296 MemStatus *mdev;
297
298 mdev = acpi_memory_slot_status(mem_st, dev, errp);
299 if (!mdev) {
300 return;
301 }
302
303 mdev->is_enabled = false;
304 mdev->dimm = NULL;
305}
306
f816a62d
IM		 307static const VMStateDescription vmstate_memhp_sts = {
308 .name = "memory hotplug device state",
309 .version_id = 1,
310 .minimum_version_id = 1,
311 .minimum_version_id_old = 1,
312 .fields = (VMStateField[]) {
313 VMSTATE_BOOL(is_enabled, MemStatus),
314 VMSTATE_BOOL(is_inserting, MemStatus),
315 VMSTATE_UINT32(ost_event, MemStatus),
316 VMSTATE_UINT32(ost_status, MemStatus),
317 VMSTATE_END_OF_LIST()
318 }
319};
320
321const VMStateDescription vmstate_memory_hotplug = {
322 .name = "memory hotplug state",
323 .version_id = 1,
324 .minimum_version_id = 1,
325 .minimum_version_id_old = 1,
326 .fields = (VMStateField[]) {
327 VMSTATE_UINT32(selector, MemHotplugState),
328 VMSTATE_STRUCT_VARRAY_POINTER_UINT32(devs, MemHotplugState, dev_count,
329 vmstate_memhp_sts, MemStatus),
330 VMSTATE_END_OF_LIST()
331 }
332};
a2088da3 333
8dfba500 334void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem,
d1957dac
IM		 335 uint16_t io_base, uint16_t io_len,
336 const char *res_root,
337 const char *event_handler_method)
a2088da3 338{
8b35ab27 339 int i;
a2088da3
IM		 340 Aml *ifctx;
341 Aml *method;
8b35ab27 342 Aml *sb_scope;
a2088da3 343 Aml *mem_ctrl_dev;
d1957dac
IM		 344 char *scan_path;
345 char *mhp_res_path = g_strdup_printf("%s." MEMORY_HOTPLUG_DEVICE, res_root);
a2088da3 346
d1957dac 347 mem_ctrl_dev = aml_device("%s", mhp_res_path);
a2088da3 348 {
8dfba500
IM		 349 Aml *crs;
350 Aml *field;
a2088da3
IM		 351 Aml *one = aml_int(1);
352 Aml *zero = aml_int(0);
353 Aml *ret_val = aml_local(0);
354 Aml *slot_arg0 = aml_arg(0);
355 Aml *slots_nr = aml_name(MEMORY_SLOTS_NUMBER);
356 Aml *ctrl_lock = aml_name(MEMORY_SLOT_LOCK);
357 Aml *slot_selector = aml_name(MEMORY_SLOT_SLECTOR);
358
359 aml_append(mem_ctrl_dev, aml_name_decl("_HID", aml_string("PNP0A06")));
360 aml_append(mem_ctrl_dev,
361 aml_name_decl("_UID", aml_string("Memory hotplug resources")));
362
8dfba500
IM		 363 assert(nr_mem <= ACPI_MAX_RAM_SLOTS);
364 aml_append(mem_ctrl_dev,
365 aml_name_decl(MEMORY_SLOTS_NUMBER, aml_int(nr_mem))
366 );
367
368 crs = aml_resource_template();
369 aml_append(crs,
370 aml_io(AML_DECODE16, io_base, io_base, 0, io_len)
371 );
372 aml_append(mem_ctrl_dev, aml_name_decl("_CRS", crs));
373
374 aml_append(mem_ctrl_dev, aml_operation_region(
375 MEMORY_HOTPLUG_IO_REGION, AML_SYSTEM_IO,
376 aml_int(io_base), io_len)
377 );
378
379 field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_DWORD_ACC,
380 AML_NOLOCK, AML_PRESERVE);
381 aml_append(field, /* read only */
382 aml_named_field(MEMORY_SLOT_ADDR_LOW, 32));
383 aml_append(field, /* read only */
384 aml_named_field(MEMORY_SLOT_ADDR_HIGH, 32));
385 aml_append(field, /* read only */
386 aml_named_field(MEMORY_SLOT_SIZE_LOW, 32));
387 aml_append(field, /* read only */
388 aml_named_field(MEMORY_SLOT_SIZE_HIGH, 32));
389 aml_append(field, /* read only */
390 aml_named_field(MEMORY_SLOT_PROXIMITY, 32));
391 aml_append(mem_ctrl_dev, field);
392
393 field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_BYTE_ACC,
394 AML_NOLOCK, AML_WRITE_AS_ZEROS);
395 aml_append(field, aml_reserved_field(160 /* bits, Offset(20) */));
396 aml_append(field, /* 1 if enabled, read only */
397 aml_named_field(MEMORY_SLOT_ENABLED, 1));
398 aml_append(field,
399 /*(read) 1 if has a insert event. (write) 1 to clear event */
400 aml_named_field(MEMORY_SLOT_INSERT_EVENT, 1));
401 aml_append(field,
402 /* (read) 1 if has a remove event. (write) 1 to clear event */
403 aml_named_field(MEMORY_SLOT_REMOVE_EVENT, 1));
404 aml_append(field,
405 /* initiates device eject, write only */
406 aml_named_field(MEMORY_SLOT_EJECT, 1));
407 aml_append(mem_ctrl_dev, field);
408
409 field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_DWORD_ACC,
410 AML_NOLOCK, AML_PRESERVE);
411 aml_append(field, /* DIMM selector, write only */
412 aml_named_field(MEMORY_SLOT_SLECTOR, 32));
413 aml_append(field, /* _OST event code, write only */
414 aml_named_field(MEMORY_SLOT_OST_EVENT, 32));
415 aml_append(field, /* _OST status code, write only */
416 aml_named_field(MEMORY_SLOT_OST_STATUS, 32));
417 aml_append(mem_ctrl_dev, field);
418
a2088da3
IM		 419 method = aml_method("_STA", 0, AML_NOTSERIALIZED);
420 ifctx = aml_if(aml_equal(slots_nr, zero));
421 {
422 aml_append(ifctx, aml_return(zero));
423 }
424 aml_append(method, ifctx);
425 /* present, functioning, decoding, not shown in UI */
426 aml_append(method, aml_return(aml_int(0xB)));
427 aml_append(mem_ctrl_dev, method);
428
429 aml_append(mem_ctrl_dev, aml_mutex(MEMORY_SLOT_LOCK, 0));
430
431 method = aml_method(MEMORY_SLOT_SCAN_METHOD, 0, AML_NOTSERIALIZED);
432 {
433 Aml *else_ctx;
434 Aml *while_ctx;
435 Aml *idx = aml_local(0);
436 Aml *eject_req = aml_int(3);
437 Aml *dev_chk = aml_int(1);
438
439 ifctx = aml_if(aml_equal(slots_nr, zero));
440 {
441 aml_append(ifctx, aml_return(zero));
442 }
443 aml_append(method, ifctx);
444
445 aml_append(method, aml_store(zero, idx));
446 aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
447 /* build AML that:
448 * loops over all slots and Notifies DIMMs with
449 * Device Check or Eject Request notifications if
450 * slot has corresponding status bit set and clears
451 * slot status.
452 */
453 while_ctx = aml_while(aml_lless(idx, slots_nr));
454 {
455 Aml *ins_evt = aml_name(MEMORY_SLOT_INSERT_EVENT);
456 Aml *rm_evt = aml_name(MEMORY_SLOT_REMOVE_EVENT);
457
458 aml_append(while_ctx, aml_store(idx, slot_selector));
459 ifctx = aml_if(aml_equal(ins_evt, one));
460 {
461 aml_append(ifctx,
462 aml_call2(MEMORY_SLOT_NOTIFY_METHOD,
463 idx, dev_chk));
464 aml_append(ifctx, aml_store(one, ins_evt));
465 }
466 aml_append(while_ctx, ifctx);
467
468 else_ctx = aml_else();
469 ifctx = aml_if(aml_equal(rm_evt, one));
470 {
471 aml_append(ifctx,
472 aml_call2(MEMORY_SLOT_NOTIFY_METHOD,
473 idx, eject_req));
474 aml_append(ifctx, aml_store(one, rm_evt));
475 }
476 aml_append(else_ctx, ifctx);
477 aml_append(while_ctx, else_ctx);
478
479 aml_append(while_ctx, aml_add(idx, one, idx));
480 }
481 aml_append(method, while_ctx);
482 aml_append(method, aml_release(ctrl_lock));
483 aml_append(method, aml_return(one));
484 }
485 aml_append(mem_ctrl_dev, method);
486
487 method = aml_method(MEMORY_SLOT_STATUS_METHOD, 1, AML_NOTSERIALIZED);
488 {
489 Aml *slot_enabled = aml_name(MEMORY_SLOT_ENABLED);
490
491 aml_append(method, aml_store(zero, ret_val));
492 aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
493 aml_append(method,
494 aml_store(aml_to_integer(slot_arg0), slot_selector));
495
496 ifctx = aml_if(aml_equal(slot_enabled, one));
497 {
498 aml_append(ifctx, aml_store(aml_int(0xF), ret_val));
499 }
500 aml_append(method, ifctx);
501
502 aml_append(method, aml_release(ctrl_lock));
503 aml_append(method, aml_return(ret_val));
504 }
505 aml_append(mem_ctrl_dev, method);
506
507 method = aml_method(MEMORY_SLOT_CRS_METHOD, 1, AML_SERIALIZED);
508 {
509 Aml *mr64 = aml_name("MR64");
510 Aml *mr32 = aml_name("MR32");
511 Aml *crs_tmpl = aml_resource_template();
512 Aml *minl = aml_name("MINL");
513 Aml *minh = aml_name("MINH");
514 Aml *maxl = aml_name("MAXL");
515 Aml *maxh = aml_name("MAXH");
516 Aml *lenl = aml_name("LENL");
517 Aml *lenh = aml_name("LENH");
518
519 aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
520 aml_append(method, aml_store(aml_to_integer(slot_arg0),
521 slot_selector));
522
523 aml_append(crs_tmpl,
524 aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED,
525 AML_CACHEABLE, AML_READ_WRITE,
526 0, 0x0, 0xFFFFFFFFFFFFFFFEULL, 0,
527 0xFFFFFFFFFFFFFFFFULL));
528 aml_append(method, aml_name_decl("MR64", crs_tmpl));
529 aml_append(method,
530 aml_create_dword_field(mr64, aml_int(14), "MINL"));
531 aml_append(method,
532 aml_create_dword_field(mr64, aml_int(18), "MINH"));
533 aml_append(method,
534 aml_create_dword_field(mr64, aml_int(38), "LENL"));
535 aml_append(method,
536 aml_create_dword_field(mr64, aml_int(42), "LENH"));
537 aml_append(method,
538 aml_create_dword_field(mr64, aml_int(22), "MAXL"));
539 aml_append(method,
540 aml_create_dword_field(mr64, aml_int(26), "MAXH"));
541
542 aml_append(method,
543 aml_store(aml_name(MEMORY_SLOT_ADDR_HIGH), minh));
544 aml_append(method,
545 aml_store(aml_name(MEMORY_SLOT_ADDR_LOW), minl));
546 aml_append(method,
547 aml_store(aml_name(MEMORY_SLOT_SIZE_HIGH), lenh));
548 aml_append(method,
549 aml_store(aml_name(MEMORY_SLOT_SIZE_LOW), lenl));
550
551 /* 64-bit math: MAX = MIN + LEN - 1 */
552 aml_append(method, aml_add(minl, lenl, maxl));
553 aml_append(method, aml_add(minh, lenh, maxh));
554 ifctx = aml_if(aml_lless(maxl, minl));
555 {
556 aml_append(ifctx, aml_add(maxh, one, maxh));
557 }
558 aml_append(method, ifctx);
559 ifctx = aml_if(aml_lless(maxl, one));
560 {
561 aml_append(ifctx, aml_subtract(maxh, one, maxh));
562 }
563 aml_append(method, ifctx);
564 aml_append(method, aml_subtract(maxl, one, maxl));
565
566 /* return 32-bit _CRS if addr/size is in low mem */
567 /* TODO: remove it since all hotplugged DIMMs are in high mem */
568 ifctx = aml_if(aml_equal(maxh, zero));
569 {
570 crs_tmpl = aml_resource_template();
571 aml_append(crs_tmpl,
572 aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED,
573 AML_MAX_FIXED, AML_CACHEABLE,
574 AML_READ_WRITE,
575 0, 0x0, 0xFFFFFFFE, 0,
576 0xFFFFFFFF));
577 aml_append(ifctx, aml_name_decl("MR32", crs_tmpl));
578 aml_append(ifctx,
579 aml_create_dword_field(mr32, aml_int(10), "MIN"));
580 aml_append(ifctx,
581 aml_create_dword_field(mr32, aml_int(14), "MAX"));
582 aml_append(ifctx,
583 aml_create_dword_field(mr32, aml_int(22), "LEN"));
584 aml_append(ifctx, aml_store(minl, aml_name("MIN")));
585 aml_append(ifctx, aml_store(maxl, aml_name("MAX")));
586 aml_append(ifctx, aml_store(lenl, aml_name("LEN")));
587
588 aml_append(ifctx, aml_release(ctrl_lock));
589 aml_append(ifctx, aml_return(mr32));
590 }
591 aml_append(method, ifctx);
592
593 aml_append(method, aml_release(ctrl_lock));
594 aml_append(method, aml_return(mr64));
595 }
596 aml_append(mem_ctrl_dev, method);
597
598 method = aml_method(MEMORY_SLOT_PROXIMITY_METHOD, 1,
599 AML_NOTSERIALIZED);
600 {
601 Aml *proximity = aml_name(MEMORY_SLOT_PROXIMITY);
602
603 aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
604 aml_append(method, aml_store(aml_to_integer(slot_arg0),
605 slot_selector));
606 aml_append(method, aml_store(proximity, ret_val));
607 aml_append(method, aml_release(ctrl_lock));
608 aml_append(method, aml_return(ret_val));
609 }
610 aml_append(mem_ctrl_dev, method);
611
612 method = aml_method(MEMORY_SLOT_OST_METHOD, 4, AML_NOTSERIALIZED);
613 {
614 Aml *ost_evt = aml_name(MEMORY_SLOT_OST_EVENT);
615 Aml *ost_status = aml_name(MEMORY_SLOT_OST_STATUS);
616
617 aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
618 aml_append(method, aml_store(aml_to_integer(slot_arg0),
619 slot_selector));
620 aml_append(method, aml_store(aml_arg(1), ost_evt));
621 aml_append(method, aml_store(aml_arg(2), ost_status));
622 aml_append(method, aml_release(ctrl_lock));
623 }
624 aml_append(mem_ctrl_dev, method);
625
626 method = aml_method(MEMORY_SLOT_EJECT_METHOD, 2, AML_NOTSERIALIZED);
627 {
628 Aml *eject = aml_name(MEMORY_SLOT_EJECT);
629
630 aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
631 aml_append(method, aml_store(aml_to_integer(slot_arg0),
632 slot_selector));
633 aml_append(method, aml_store(one, eject));
634 aml_append(method, aml_release(ctrl_lock));
635 }
636 aml_append(mem_ctrl_dev, method);
637 }
d1957dac 638 aml_append(table, mem_ctrl_dev);
75ff0f0c 639
8b35ab27 640 sb_scope = aml_scope("_SB");
75ff0f0c 641 /* build memory devices */
75ff0f0c 642 for (i = 0; i < nr_mem; i++) {
8b35ab27 643 Aml *dev;
d1957dac 644 char *s;
75ff0f0c
IM		 645
646 dev = aml_device("MP%02X", i);
647 aml_append(dev, aml_name_decl("_UID", aml_string("0x%02X", i)));
648 aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C80")));
649
650 method = aml_method("_CRS", 0, AML_NOTSERIALIZED);
d1957dac 651 s = g_strdup_printf("%s.%s", mhp_res_path, MEMORY_SLOT_CRS_METHOD);
75ff0f0c 652 aml_append(method, aml_return(aml_call1(s, aml_name("_UID"))));
d1957dac 653 g_free(s);
75ff0f0c
IM		 654 aml_append(dev, method);
655
656 method = aml_method("_STA", 0, AML_NOTSERIALIZED);
d1957dac 657 s = g_strdup_printf("%s.%s", mhp_res_path, MEMORY_SLOT_STATUS_METHOD);
75ff0f0c 658 aml_append(method, aml_return(aml_call1(s, aml_name("_UID"))));
d1957dac 659 g_free(s);
75ff0f0c
IM		 660 aml_append(dev, method);
661
662 method = aml_method("_PXM", 0, AML_NOTSERIALIZED);
d1957dac
IM		 663 s = g_strdup_printf("%s.%s", mhp_res_path,
664 MEMORY_SLOT_PROXIMITY_METHOD);
75ff0f0c 665 aml_append(method, aml_return(aml_call1(s, aml_name("_UID"))));
d1957dac 666 g_free(s);
75ff0f0c
IM		 667 aml_append(dev, method);
668
669 method = aml_method("_OST", 3, AML_NOTSERIALIZED);
d1957dac 670 s = g_strdup_printf("%s.%s", mhp_res_path, MEMORY_SLOT_OST_METHOD);
75ff0f0c
IM		 671 aml_append(method, aml_return(aml_call4(
672 s, aml_name("_UID"), aml_arg(0), aml_arg(1), aml_arg(2)
673 )));
d1957dac 674 g_free(s);
75ff0f0c
IM		 675 aml_append(dev, method);
676
677 method = aml_method("_EJ0", 1, AML_NOTSERIALIZED);
d1957dac 678 s = g_strdup_printf("%s.%s", mhp_res_path, MEMORY_SLOT_EJECT_METHOD);
75ff0f0c
IM		 679 aml_append(method, aml_return(aml_call2(
680 s, aml_name("_UID"), aml_arg(0))));
d1957dac 681 g_free(s);
75ff0f0c
IM		 682 aml_append(dev, method);
683
684 aml_append(sb_scope, dev);
685 }
686
687 /* build Method(MEMORY_SLOT_NOTIFY_METHOD, 2) {
688 * If (LEqual(Arg0, 0x00)) {Notify(MP00, Arg1)} ... }
689 */
690 method = aml_method(MEMORY_SLOT_NOTIFY_METHOD, 2, AML_NOTSERIALIZED);
691 for (i = 0; i < nr_mem; i++) {
692 ifctx = aml_if(aml_equal(aml_arg(0), aml_int(i)));
693 aml_append(ifctx,
694 aml_notify(aml_name("MP%.02X", i), aml_arg(1))
695 );
696 aml_append(method, ifctx);
697 }
698 aml_append(sb_scope, method);
8b35ab27 699 aml_append(table, sb_scope);
d1957dac
IM		 700
701 method = aml_method(event_handler_method, 0, AML_NOTSERIALIZED);
702 scan_path = g_strdup_printf("%s.%s", mhp_res_path, MEMORY_SLOT_SCAN_METHOD);
703 aml_append(method, aml_call0(scan_path));
704 g_free(scan_path);
705 aml_append(table, method);
706
707 g_free(mhp_res_path);
75ff0f0c 708}
Empty description
This page took 0.199964 seconds and 4 git commands to generate.