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Commit | Line | Data |
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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" | |
80db0e78 | 33 | #define MEMORY_HOTPLUG_IO_LEN 24 |
e1a58fc0 | 34 | #define MEMORY_DEVICES_CONTAINER "\\_SB.MHPC" |
80db0e78 IM |
35 | |
36 | static uint16_t memhp_io_base; | |
c9c08545 | 37 | |
43f50410 IM |
38 | static ACPIOSTInfo *acpi_memory_device_status(int slot, MemStatus *mdev) |
39 | { | |
40 | ACPIOSTInfo *info = g_new0(ACPIOSTInfo, 1); | |
41 | ||
42 | info->slot_type = ACPI_SLOT_TYPE_DIMM; | |
43 | info->slot = g_strdup_printf("%d", slot); | |
44 | info->source = mdev->ost_event; | |
45 | info->status = mdev->ost_status; | |
46 | if (mdev->dimm) { | |
47 | DeviceState *dev = DEVICE(mdev->dimm); | |
48 | if (dev->id) { | |
49 | info->device = g_strdup(dev->id); | |
50 | info->has_device = true; | |
51 | } | |
52 | } | |
53 | return info; | |
54 | } | |
55 | ||
56 | void acpi_memory_ospm_status(MemHotplugState *mem_st, ACPIOSTInfoList ***list) | |
57 | { | |
58 | int i; | |
59 | ||
60 | for (i = 0; i < mem_st->dev_count; i++) { | |
61 | ACPIOSTInfoList *elem = g_new0(ACPIOSTInfoList, 1); | |
62 | elem->value = acpi_memory_device_status(i, &mem_st->devs[i]); | |
63 | elem->next = NULL; | |
64 | **list = elem; | |
65 | *list = &elem->next; | |
66 | } | |
67 | } | |
68 | ||
3ef77aca IM |
69 | static uint64_t acpi_memory_hotplug_read(void *opaque, hwaddr addr, |
70 | unsigned int size) | |
71 | { | |
72 | uint32_t val = 0; | |
73 | MemHotplugState *mem_st = opaque; | |
74 | MemStatus *mdev; | |
75 | Object *o; | |
76 | ||
77 | if (mem_st->selector >= mem_st->dev_count) { | |
dfe292ff | 78 | trace_mhp_acpi_invalid_slot_selected(mem_st->selector); |
3ef77aca IM |
79 | return 0; |
80 | } | |
81 | ||
82 | mdev = &mem_st->devs[mem_st->selector]; | |
83 | o = OBJECT(mdev->dimm); | |
84 | switch (addr) { | |
85 | case 0x0: /* Lo part of phys address where DIMM is mapped */ | |
86 | val = o ? object_property_get_int(o, PC_DIMM_ADDR_PROP, NULL) : 0; | |
dfe292ff | 87 | trace_mhp_acpi_read_addr_lo(mem_st->selector, val); |
3ef77aca IM |
88 | break; |
89 | case 0x4: /* Hi part of phys address where DIMM is mapped */ | |
90 | val = o ? object_property_get_int(o, PC_DIMM_ADDR_PROP, NULL) >> 32 : 0; | |
dfe292ff | 91 | trace_mhp_acpi_read_addr_hi(mem_st->selector, val); |
3ef77aca IM |
92 | break; |
93 | case 0x8: /* Lo part of DIMM size */ | |
94 | val = o ? object_property_get_int(o, PC_DIMM_SIZE_PROP, NULL) : 0; | |
dfe292ff | 95 | trace_mhp_acpi_read_size_lo(mem_st->selector, val); |
3ef77aca IM |
96 | break; |
97 | case 0xc: /* Hi part of DIMM size */ | |
98 | val = o ? object_property_get_int(o, PC_DIMM_SIZE_PROP, NULL) >> 32 : 0; | |
dfe292ff | 99 | trace_mhp_acpi_read_size_hi(mem_st->selector, val); |
3ef77aca IM |
100 | break; |
101 | case 0x10: /* node proximity for _PXM method */ | |
102 | val = o ? object_property_get_int(o, PC_DIMM_NODE_PROP, NULL) : 0; | |
dfe292ff | 103 | trace_mhp_acpi_read_pxm(mem_st->selector, val); |
3ef77aca IM |
104 | break; |
105 | case 0x14: /* pack and return is_* fields */ | |
106 | val |= mdev->is_enabled ? 1 : 0; | |
107 | val |= mdev->is_inserting ? 2 : 0; | |
64fec58e | 108 | val |= mdev->is_removing ? 4 : 0; |
dfe292ff | 109 | trace_mhp_acpi_read_flags(mem_st->selector, val); |
3ef77aca IM |
110 | break; |
111 | default: | |
112 | val = ~0; | |
113 | break; | |
114 | } | |
115 | return val; | |
116 | } | |
117 | ||
118 | static void acpi_memory_hotplug_write(void *opaque, hwaddr addr, uint64_t data, | |
119 | unsigned int size) | |
120 | { | |
121 | MemHotplugState *mem_st = opaque; | |
122 | MemStatus *mdev; | |
5f41fbba | 123 | ACPIOSTInfo *info; |
c06b2ffb ZG |
124 | DeviceState *dev = NULL; |
125 | HotplugHandler *hotplug_ctrl = NULL; | |
bc09e061 | 126 | Error *local_err = NULL; |
3ef77aca IM |
127 | |
128 | if (!mem_st->dev_count) { | |
129 | return; | |
130 | } | |
131 | ||
132 | if (addr) { | |
133 | if (mem_st->selector >= mem_st->dev_count) { | |
dfe292ff | 134 | trace_mhp_acpi_invalid_slot_selected(mem_st->selector); |
3ef77aca IM |
135 | return; |
136 | } | |
137 | } | |
138 | ||
139 | switch (addr) { | |
140 | case 0x0: /* DIMM slot selector */ | |
141 | mem_st->selector = data; | |
dfe292ff | 142 | trace_mhp_acpi_write_slot(mem_st->selector); |
3ef77aca IM |
143 | break; |
144 | case 0x4: /* _OST event */ | |
145 | mdev = &mem_st->devs[mem_st->selector]; | |
146 | if (data == 1) { | |
147 | /* TODO: handle device insert OST event */ | |
148 | } else if (data == 3) { | |
149 | /* TODO: handle device remove OST event */ | |
150 | } | |
151 | mdev->ost_event = data; | |
dfe292ff | 152 | trace_mhp_acpi_write_ost_ev(mem_st->selector, mdev->ost_event); |
3ef77aca IM |
153 | break; |
154 | case 0x8: /* _OST status */ | |
155 | mdev = &mem_st->devs[mem_st->selector]; | |
156 | mdev->ost_status = data; | |
dfe292ff | 157 | trace_mhp_acpi_write_ost_status(mem_st->selector, mdev->ost_status); |
3ef77aca | 158 | /* TODO: implement memory removal on guest signal */ |
5f41fbba IM |
159 | |
160 | info = acpi_memory_device_status(mem_st->selector, mdev); | |
161 | qapi_event_send_acpi_device_ost(info, &error_abort); | |
162 | qapi_free_ACPIOSTInfo(info); | |
3ef77aca | 163 | break; |
c06b2ffb | 164 | case 0x14: /* set is_* fields */ |
3ef77aca IM |
165 | mdev = &mem_st->devs[mem_st->selector]; |
166 | if (data & 2) { /* clear insert event */ | |
167 | mdev->is_inserting = false; | |
dfe292ff | 168 | trace_mhp_acpi_clear_insert_evt(mem_st->selector); |
c06b2ffb ZG |
169 | } else if (data & 4) { |
170 | mdev->is_removing = false; | |
171 | trace_mhp_acpi_clear_remove_evt(mem_st->selector); | |
172 | } else if (data & 8) { | |
173 | if (!mdev->is_enabled) { | |
174 | trace_mhp_acpi_ejecting_invalid_slot(mem_st->selector); | |
175 | break; | |
176 | } | |
177 | ||
178 | dev = DEVICE(mdev->dimm); | |
179 | hotplug_ctrl = qdev_get_hotplug_handler(dev); | |
180 | /* call pc-dimm unplug cb */ | |
bc09e061 ZG |
181 | hotplug_handler_unplug(hotplug_ctrl, dev, &local_err); |
182 | if (local_err) { | |
183 | trace_mhp_acpi_pc_dimm_delete_failed(mem_st->selector); | |
184 | qapi_event_send_mem_unplug_error(dev->id, | |
185 | error_get_pretty(local_err), | |
186 | &error_abort); | |
903a41d3 | 187 | error_free(local_err); |
bc09e061 ZG |
188 | break; |
189 | } | |
c06b2ffb | 190 | trace_mhp_acpi_pc_dimm_deleted(mem_st->selector); |
3ef77aca IM |
191 | } |
192 | break; | |
c06b2ffb ZG |
193 | default: |
194 | break; | |
3ef77aca IM |
195 | } |
196 | ||
197 | } | |
198 | static const MemoryRegionOps acpi_memory_hotplug_ops = { | |
199 | .read = acpi_memory_hotplug_read, | |
200 | .write = acpi_memory_hotplug_write, | |
201 | .endianness = DEVICE_LITTLE_ENDIAN, | |
202 | .valid = { | |
203 | .min_access_size = 1, | |
204 | .max_access_size = 4, | |
205 | }, | |
206 | }; | |
207 | ||
208 | void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner, | |
80db0e78 | 209 | MemHotplugState *state, uint16_t io_base) |
3ef77aca IM |
210 | { |
211 | MachineState *machine = MACHINE(qdev_get_machine()); | |
212 | ||
213 | state->dev_count = machine->ram_slots; | |
214 | if (!state->dev_count) { | |
215 | return; | |
216 | } | |
217 | ||
80db0e78 IM |
218 | assert(!memhp_io_base); |
219 | memhp_io_base = io_base; | |
3ef77aca IM |
220 | state->devs = g_malloc0(sizeof(*state->devs) * state->dev_count); |
221 | memory_region_init_io(&state->io, owner, &acpi_memory_hotplug_ops, state, | |
80db0e78 IM |
222 | "acpi-mem-hotplug", MEMORY_HOTPLUG_IO_LEN); |
223 | memory_region_add_subregion(as, memhp_io_base, &state->io); | |
3ef77aca IM |
224 | } |
225 | ||
4aae99b6 TC |
226 | /** |
227 | * acpi_memory_slot_status: | |
228 | * @mem_st: memory hotplug state | |
229 | * @dev: device | |
230 | * @errp: set in case of an error | |
231 | * | |
232 | * Obtain a single memory slot status. | |
233 | * | |
234 | * This function will be called by memory unplug request cb and unplug cb. | |
235 | */ | |
236 | static MemStatus * | |
237 | acpi_memory_slot_status(MemHotplugState *mem_st, | |
238 | DeviceState *dev, Error **errp) | |
3ef77aca | 239 | { |
3ef77aca | 240 | Error *local_err = NULL; |
1d515701 TC |
241 | int slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP, |
242 | &local_err); | |
3ef77aca IM |
243 | |
244 | if (local_err) { | |
245 | error_propagate(errp, local_err); | |
4aae99b6 | 246 | return NULL; |
3ef77aca IM |
247 | } |
248 | ||
249 | if (slot >= mem_st->dev_count) { | |
250 | char *dev_path = object_get_canonical_path(OBJECT(dev)); | |
4aae99b6 | 251 | error_setg(errp, "acpi_memory_slot_status: " |
3ef77aca IM |
252 | "device [%s] returned invalid memory slot[%d]", |
253 | dev_path, slot); | |
254 | g_free(dev_path); | |
4aae99b6 TC |
255 | return NULL; |
256 | } | |
257 | ||
258 | return &mem_st->devs[slot]; | |
259 | } | |
260 | ||
0058c082 | 261 | void acpi_memory_plug_cb(HotplugHandler *hotplug_dev, MemHotplugState *mem_st, |
4aae99b6 TC |
262 | DeviceState *dev, Error **errp) |
263 | { | |
264 | MemStatus *mdev; | |
75f27498 XG |
265 | DeviceClass *dc = DEVICE_GET_CLASS(dev); |
266 | ||
267 | if (!dc->hotpluggable) { | |
268 | return; | |
269 | } | |
4aae99b6 TC |
270 | |
271 | mdev = acpi_memory_slot_status(mem_st, dev, errp); | |
272 | if (!mdev) { | |
3ef77aca IM |
273 | return; |
274 | } | |
275 | ||
3ef77aca | 276 | mdev->dimm = dev; |
75f27498 | 277 | mdev->is_enabled = true; |
4828b10b | 278 | if (dev->hotplugged) { |
75f27498 XG |
279 | mdev->is_inserting = true; |
280 | acpi_send_event(DEVICE(hotplug_dev), ACPI_MEMORY_HOTPLUG_STATUS); | |
4828b10b | 281 | } |
3ef77aca | 282 | } |
f816a62d | 283 | |
0058c082 | 284 | void acpi_memory_unplug_request_cb(HotplugHandler *hotplug_dev, |
64fec58e TC |
285 | MemHotplugState *mem_st, |
286 | DeviceState *dev, Error **errp) | |
287 | { | |
288 | MemStatus *mdev; | |
289 | ||
290 | mdev = acpi_memory_slot_status(mem_st, dev, errp); | |
291 | if (!mdev) { | |
292 | return; | |
293 | } | |
294 | ||
295 | mdev->is_removing = true; | |
0058c082 | 296 | acpi_send_event(DEVICE(hotplug_dev), ACPI_MEMORY_HOTPLUG_STATUS); |
64fec58e TC |
297 | } |
298 | ||
f7d3e29d TC |
299 | void acpi_memory_unplug_cb(MemHotplugState *mem_st, |
300 | DeviceState *dev, Error **errp) | |
301 | { | |
302 | MemStatus *mdev; | |
303 | ||
304 | mdev = acpi_memory_slot_status(mem_st, dev, errp); | |
305 | if (!mdev) { | |
306 | return; | |
307 | } | |
308 | ||
309 | mdev->is_enabled = false; | |
310 | mdev->dimm = NULL; | |
311 | } | |
312 | ||
f816a62d IM |
313 | static const VMStateDescription vmstate_memhp_sts = { |
314 | .name = "memory hotplug device state", | |
315 | .version_id = 1, | |
316 | .minimum_version_id = 1, | |
317 | .minimum_version_id_old = 1, | |
318 | .fields = (VMStateField[]) { | |
319 | VMSTATE_BOOL(is_enabled, MemStatus), | |
320 | VMSTATE_BOOL(is_inserting, MemStatus), | |
321 | VMSTATE_UINT32(ost_event, MemStatus), | |
322 | VMSTATE_UINT32(ost_status, MemStatus), | |
323 | VMSTATE_END_OF_LIST() | |
324 | } | |
325 | }; | |
326 | ||
327 | const VMStateDescription vmstate_memory_hotplug = { | |
328 | .name = "memory hotplug state", | |
329 | .version_id = 1, | |
330 | .minimum_version_id = 1, | |
331 | .minimum_version_id_old = 1, | |
332 | .fields = (VMStateField[]) { | |
333 | VMSTATE_UINT32(selector, MemHotplugState), | |
334 | VMSTATE_STRUCT_VARRAY_POINTER_UINT32(devs, MemHotplugState, dev_count, | |
335 | vmstate_memhp_sts, MemStatus), | |
336 | VMSTATE_END_OF_LIST() | |
337 | } | |
338 | }; | |
a2088da3 | 339 | |
8dfba500 | 340 | void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem, |
d1957dac IM |
341 | const char *res_root, |
342 | const char *event_handler_method) | |
a2088da3 | 343 | { |
8b35ab27 | 344 | int i; |
a2088da3 IM |
345 | Aml *ifctx; |
346 | Aml *method; | |
e1a58fc0 | 347 | Aml *dev_container; |
a2088da3 | 348 | Aml *mem_ctrl_dev; |
80db0e78 IM |
349 | char *mhp_res_path; |
350 | ||
351 | if (!memhp_io_base) { | |
352 | return; | |
353 | } | |
a2088da3 | 354 | |
80db0e78 | 355 | mhp_res_path = g_strdup_printf("%s." MEMORY_HOTPLUG_DEVICE, res_root); |
d1957dac | 356 | mem_ctrl_dev = aml_device("%s", mhp_res_path); |
a2088da3 | 357 | { |
8dfba500 | 358 | Aml *crs; |
a2088da3 IM |
359 | |
360 | aml_append(mem_ctrl_dev, aml_name_decl("_HID", aml_string("PNP0A06"))); | |
361 | aml_append(mem_ctrl_dev, | |
362 | aml_name_decl("_UID", aml_string("Memory hotplug resources"))); | |
363 | ||
8dfba500 IM |
364 | crs = aml_resource_template(); |
365 | aml_append(crs, | |
80db0e78 IM |
366 | aml_io(AML_DECODE16, memhp_io_base, memhp_io_base, 0, |
367 | MEMORY_HOTPLUG_IO_LEN) | |
8dfba500 IM |
368 | ); |
369 | aml_append(mem_ctrl_dev, aml_name_decl("_CRS", crs)); | |
370 | ||
371 | aml_append(mem_ctrl_dev, aml_operation_region( | |
372 | MEMORY_HOTPLUG_IO_REGION, AML_SYSTEM_IO, | |
80db0e78 | 373 | aml_int(memhp_io_base), MEMORY_HOTPLUG_IO_LEN) |
8dfba500 IM |
374 | ); |
375 | ||
e1a58fc0 IM |
376 | } |
377 | aml_append(table, mem_ctrl_dev); | |
378 | ||
379 | dev_container = aml_device(MEMORY_DEVICES_CONTAINER); | |
380 | { | |
381 | Aml *field; | |
382 | Aml *one = aml_int(1); | |
383 | Aml *zero = aml_int(0); | |
384 | Aml *ret_val = aml_local(0); | |
385 | Aml *slot_arg0 = aml_arg(0); | |
386 | Aml *slots_nr = aml_name(MEMORY_SLOTS_NUMBER); | |
387 | Aml *ctrl_lock = aml_name(MEMORY_SLOT_LOCK); | |
388 | Aml *slot_selector = aml_name(MEMORY_SLOT_SLECTOR); | |
389 | char *mmio_path = g_strdup_printf("%s." MEMORY_HOTPLUG_IO_REGION, | |
390 | mhp_res_path); | |
391 | ||
392 | aml_append(dev_container, aml_name_decl("_HID", aml_string("PNP0A06"))); | |
393 | aml_append(dev_container, | |
394 | aml_name_decl("_UID", aml_string("DIMM devices"))); | |
395 | ||
396 | assert(nr_mem <= ACPI_MAX_RAM_SLOTS); | |
397 | aml_append(dev_container, | |
398 | aml_name_decl(MEMORY_SLOTS_NUMBER, aml_int(nr_mem)) | |
399 | ); | |
400 | ||
401 | field = aml_field(mmio_path, AML_DWORD_ACC, | |
8dfba500 IM |
402 | AML_NOLOCK, AML_PRESERVE); |
403 | aml_append(field, /* read only */ | |
404 | aml_named_field(MEMORY_SLOT_ADDR_LOW, 32)); | |
405 | aml_append(field, /* read only */ | |
406 | aml_named_field(MEMORY_SLOT_ADDR_HIGH, 32)); | |
407 | aml_append(field, /* read only */ | |
408 | aml_named_field(MEMORY_SLOT_SIZE_LOW, 32)); | |
409 | aml_append(field, /* read only */ | |
410 | aml_named_field(MEMORY_SLOT_SIZE_HIGH, 32)); | |
411 | aml_append(field, /* read only */ | |
412 | aml_named_field(MEMORY_SLOT_PROXIMITY, 32)); | |
e1a58fc0 | 413 | aml_append(dev_container, field); |
8dfba500 | 414 | |
e1a58fc0 | 415 | field = aml_field(mmio_path, AML_BYTE_ACC, |
8dfba500 IM |
416 | AML_NOLOCK, AML_WRITE_AS_ZEROS); |
417 | aml_append(field, aml_reserved_field(160 /* bits, Offset(20) */)); | |
418 | aml_append(field, /* 1 if enabled, read only */ | |
419 | aml_named_field(MEMORY_SLOT_ENABLED, 1)); | |
420 | aml_append(field, | |
421 | /*(read) 1 if has a insert event. (write) 1 to clear event */ | |
422 | aml_named_field(MEMORY_SLOT_INSERT_EVENT, 1)); | |
423 | aml_append(field, | |
424 | /* (read) 1 if has a remove event. (write) 1 to clear event */ | |
425 | aml_named_field(MEMORY_SLOT_REMOVE_EVENT, 1)); | |
426 | aml_append(field, | |
427 | /* initiates device eject, write only */ | |
428 | aml_named_field(MEMORY_SLOT_EJECT, 1)); | |
e1a58fc0 | 429 | aml_append(dev_container, field); |
8dfba500 | 430 | |
e1a58fc0 | 431 | field = aml_field(mmio_path, AML_DWORD_ACC, |
8dfba500 IM |
432 | AML_NOLOCK, AML_PRESERVE); |
433 | aml_append(field, /* DIMM selector, write only */ | |
434 | aml_named_field(MEMORY_SLOT_SLECTOR, 32)); | |
435 | aml_append(field, /* _OST event code, write only */ | |
436 | aml_named_field(MEMORY_SLOT_OST_EVENT, 32)); | |
437 | aml_append(field, /* _OST status code, write only */ | |
438 | aml_named_field(MEMORY_SLOT_OST_STATUS, 32)); | |
e1a58fc0 IM |
439 | aml_append(dev_container, field); |
440 | g_free(mmio_path); | |
8dfba500 | 441 | |
a2088da3 IM |
442 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); |
443 | ifctx = aml_if(aml_equal(slots_nr, zero)); | |
444 | { | |
445 | aml_append(ifctx, aml_return(zero)); | |
446 | } | |
447 | aml_append(method, ifctx); | |
448 | /* present, functioning, decoding, not shown in UI */ | |
449 | aml_append(method, aml_return(aml_int(0xB))); | |
e1a58fc0 | 450 | aml_append(dev_container, method); |
a2088da3 | 451 | |
e1a58fc0 | 452 | aml_append(dev_container, aml_mutex(MEMORY_SLOT_LOCK, 0)); |
a2088da3 IM |
453 | |
454 | method = aml_method(MEMORY_SLOT_SCAN_METHOD, 0, AML_NOTSERIALIZED); | |
455 | { | |
456 | Aml *else_ctx; | |
457 | Aml *while_ctx; | |
458 | Aml *idx = aml_local(0); | |
459 | Aml *eject_req = aml_int(3); | |
460 | Aml *dev_chk = aml_int(1); | |
461 | ||
462 | ifctx = aml_if(aml_equal(slots_nr, zero)); | |
463 | { | |
464 | aml_append(ifctx, aml_return(zero)); | |
465 | } | |
466 | aml_append(method, ifctx); | |
467 | ||
468 | aml_append(method, aml_store(zero, idx)); | |
469 | aml_append(method, aml_acquire(ctrl_lock, 0xFFFF)); | |
470 | /* build AML that: | |
471 | * loops over all slots and Notifies DIMMs with | |
472 | * Device Check or Eject Request notifications if | |
473 | * slot has corresponding status bit set and clears | |
474 | * slot status. | |
475 | */ | |
476 | while_ctx = aml_while(aml_lless(idx, slots_nr)); | |
477 | { | |
478 | Aml *ins_evt = aml_name(MEMORY_SLOT_INSERT_EVENT); | |
479 | Aml *rm_evt = aml_name(MEMORY_SLOT_REMOVE_EVENT); | |
480 | ||
481 | aml_append(while_ctx, aml_store(idx, slot_selector)); | |
482 | ifctx = aml_if(aml_equal(ins_evt, one)); | |
483 | { | |
484 | aml_append(ifctx, | |
485 | aml_call2(MEMORY_SLOT_NOTIFY_METHOD, | |
486 | idx, dev_chk)); | |
487 | aml_append(ifctx, aml_store(one, ins_evt)); | |
488 | } | |
489 | aml_append(while_ctx, ifctx); | |
490 | ||
491 | else_ctx = aml_else(); | |
492 | ifctx = aml_if(aml_equal(rm_evt, one)); | |
493 | { | |
494 | aml_append(ifctx, | |
495 | aml_call2(MEMORY_SLOT_NOTIFY_METHOD, | |
496 | idx, eject_req)); | |
497 | aml_append(ifctx, aml_store(one, rm_evt)); | |
498 | } | |
499 | aml_append(else_ctx, ifctx); | |
500 | aml_append(while_ctx, else_ctx); | |
501 | ||
502 | aml_append(while_ctx, aml_add(idx, one, idx)); | |
503 | } | |
504 | aml_append(method, while_ctx); | |
505 | aml_append(method, aml_release(ctrl_lock)); | |
506 | aml_append(method, aml_return(one)); | |
507 | } | |
e1a58fc0 | 508 | aml_append(dev_container, method); |
a2088da3 IM |
509 | |
510 | method = aml_method(MEMORY_SLOT_STATUS_METHOD, 1, AML_NOTSERIALIZED); | |
511 | { | |
512 | Aml *slot_enabled = aml_name(MEMORY_SLOT_ENABLED); | |
513 | ||
514 | aml_append(method, aml_store(zero, ret_val)); | |
515 | aml_append(method, aml_acquire(ctrl_lock, 0xFFFF)); | |
516 | aml_append(method, | |
517 | aml_store(aml_to_integer(slot_arg0), slot_selector)); | |
518 | ||
519 | ifctx = aml_if(aml_equal(slot_enabled, one)); | |
520 | { | |
521 | aml_append(ifctx, aml_store(aml_int(0xF), ret_val)); | |
522 | } | |
523 | aml_append(method, ifctx); | |
524 | ||
525 | aml_append(method, aml_release(ctrl_lock)); | |
526 | aml_append(method, aml_return(ret_val)); | |
527 | } | |
e1a58fc0 | 528 | aml_append(dev_container, method); |
a2088da3 IM |
529 | |
530 | method = aml_method(MEMORY_SLOT_CRS_METHOD, 1, AML_SERIALIZED); | |
531 | { | |
532 | Aml *mr64 = aml_name("MR64"); | |
533 | Aml *mr32 = aml_name("MR32"); | |
534 | Aml *crs_tmpl = aml_resource_template(); | |
535 | Aml *minl = aml_name("MINL"); | |
536 | Aml *minh = aml_name("MINH"); | |
537 | Aml *maxl = aml_name("MAXL"); | |
538 | Aml *maxh = aml_name("MAXH"); | |
539 | Aml *lenl = aml_name("LENL"); | |
540 | Aml *lenh = aml_name("LENH"); | |
541 | ||
542 | aml_append(method, aml_acquire(ctrl_lock, 0xFFFF)); | |
543 | aml_append(method, aml_store(aml_to_integer(slot_arg0), | |
544 | slot_selector)); | |
545 | ||
546 | aml_append(crs_tmpl, | |
547 | aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED, | |
548 | AML_CACHEABLE, AML_READ_WRITE, | |
549 | 0, 0x0, 0xFFFFFFFFFFFFFFFEULL, 0, | |
550 | 0xFFFFFFFFFFFFFFFFULL)); | |
551 | aml_append(method, aml_name_decl("MR64", crs_tmpl)); | |
552 | aml_append(method, | |
553 | aml_create_dword_field(mr64, aml_int(14), "MINL")); | |
554 | aml_append(method, | |
555 | aml_create_dword_field(mr64, aml_int(18), "MINH")); | |
556 | aml_append(method, | |
557 | aml_create_dword_field(mr64, aml_int(38), "LENL")); | |
558 | aml_append(method, | |
559 | aml_create_dword_field(mr64, aml_int(42), "LENH")); | |
560 | aml_append(method, | |
561 | aml_create_dword_field(mr64, aml_int(22), "MAXL")); | |
562 | aml_append(method, | |
563 | aml_create_dword_field(mr64, aml_int(26), "MAXH")); | |
564 | ||
565 | aml_append(method, | |
566 | aml_store(aml_name(MEMORY_SLOT_ADDR_HIGH), minh)); | |
567 | aml_append(method, | |
568 | aml_store(aml_name(MEMORY_SLOT_ADDR_LOW), minl)); | |
569 | aml_append(method, | |
570 | aml_store(aml_name(MEMORY_SLOT_SIZE_HIGH), lenh)); | |
571 | aml_append(method, | |
572 | aml_store(aml_name(MEMORY_SLOT_SIZE_LOW), lenl)); | |
573 | ||
574 | /* 64-bit math: MAX = MIN + LEN - 1 */ | |
575 | aml_append(method, aml_add(minl, lenl, maxl)); | |
576 | aml_append(method, aml_add(minh, lenh, maxh)); | |
577 | ifctx = aml_if(aml_lless(maxl, minl)); | |
578 | { | |
579 | aml_append(ifctx, aml_add(maxh, one, maxh)); | |
580 | } | |
581 | aml_append(method, ifctx); | |
582 | ifctx = aml_if(aml_lless(maxl, one)); | |
583 | { | |
584 | aml_append(ifctx, aml_subtract(maxh, one, maxh)); | |
585 | } | |
586 | aml_append(method, ifctx); | |
587 | aml_append(method, aml_subtract(maxl, one, maxl)); | |
588 | ||
589 | /* return 32-bit _CRS if addr/size is in low mem */ | |
590 | /* TODO: remove it since all hotplugged DIMMs are in high mem */ | |
591 | ifctx = aml_if(aml_equal(maxh, zero)); | |
592 | { | |
593 | crs_tmpl = aml_resource_template(); | |
594 | aml_append(crs_tmpl, | |
595 | aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, | |
596 | AML_MAX_FIXED, AML_CACHEABLE, | |
597 | AML_READ_WRITE, | |
598 | 0, 0x0, 0xFFFFFFFE, 0, | |
599 | 0xFFFFFFFF)); | |
600 | aml_append(ifctx, aml_name_decl("MR32", crs_tmpl)); | |
601 | aml_append(ifctx, | |
602 | aml_create_dword_field(mr32, aml_int(10), "MIN")); | |
603 | aml_append(ifctx, | |
604 | aml_create_dword_field(mr32, aml_int(14), "MAX")); | |
605 | aml_append(ifctx, | |
606 | aml_create_dword_field(mr32, aml_int(22), "LEN")); | |
607 | aml_append(ifctx, aml_store(minl, aml_name("MIN"))); | |
608 | aml_append(ifctx, aml_store(maxl, aml_name("MAX"))); | |
609 | aml_append(ifctx, aml_store(lenl, aml_name("LEN"))); | |
610 | ||
611 | aml_append(ifctx, aml_release(ctrl_lock)); | |
612 | aml_append(ifctx, aml_return(mr32)); | |
613 | } | |
614 | aml_append(method, ifctx); | |
615 | ||
616 | aml_append(method, aml_release(ctrl_lock)); | |
617 | aml_append(method, aml_return(mr64)); | |
618 | } | |
e1a58fc0 | 619 | aml_append(dev_container, method); |
a2088da3 IM |
620 | |
621 | method = aml_method(MEMORY_SLOT_PROXIMITY_METHOD, 1, | |
622 | AML_NOTSERIALIZED); | |
623 | { | |
624 | Aml *proximity = aml_name(MEMORY_SLOT_PROXIMITY); | |
625 | ||
626 | aml_append(method, aml_acquire(ctrl_lock, 0xFFFF)); | |
627 | aml_append(method, aml_store(aml_to_integer(slot_arg0), | |
628 | slot_selector)); | |
629 | aml_append(method, aml_store(proximity, ret_val)); | |
630 | aml_append(method, aml_release(ctrl_lock)); | |
631 | aml_append(method, aml_return(ret_val)); | |
632 | } | |
e1a58fc0 | 633 | aml_append(dev_container, method); |
a2088da3 IM |
634 | |
635 | method = aml_method(MEMORY_SLOT_OST_METHOD, 4, AML_NOTSERIALIZED); | |
636 | { | |
637 | Aml *ost_evt = aml_name(MEMORY_SLOT_OST_EVENT); | |
638 | Aml *ost_status = aml_name(MEMORY_SLOT_OST_STATUS); | |
639 | ||
640 | aml_append(method, aml_acquire(ctrl_lock, 0xFFFF)); | |
641 | aml_append(method, aml_store(aml_to_integer(slot_arg0), | |
642 | slot_selector)); | |
643 | aml_append(method, aml_store(aml_arg(1), ost_evt)); | |
644 | aml_append(method, aml_store(aml_arg(2), ost_status)); | |
645 | aml_append(method, aml_release(ctrl_lock)); | |
646 | } | |
e1a58fc0 | 647 | aml_append(dev_container, method); |
a2088da3 IM |
648 | |
649 | method = aml_method(MEMORY_SLOT_EJECT_METHOD, 2, AML_NOTSERIALIZED); | |
650 | { | |
651 | Aml *eject = aml_name(MEMORY_SLOT_EJECT); | |
652 | ||
653 | aml_append(method, aml_acquire(ctrl_lock, 0xFFFF)); | |
654 | aml_append(method, aml_store(aml_to_integer(slot_arg0), | |
655 | slot_selector)); | |
656 | aml_append(method, aml_store(one, eject)); | |
657 | aml_append(method, aml_release(ctrl_lock)); | |
658 | } | |
e1a58fc0 IM |
659 | aml_append(dev_container, method); |
660 | ||
661 | /* build memory devices */ | |
662 | for (i = 0; i < nr_mem; i++) { | |
663 | Aml *dev; | |
664 | const char *s; | |
665 | ||
666 | dev = aml_device("MP%02X", i); | |
667 | aml_append(dev, aml_name_decl("_UID", aml_string("0x%02X", i))); | |
668 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C80"))); | |
669 | ||
670 | method = aml_method("_CRS", 0, AML_NOTSERIALIZED); | |
671 | s = MEMORY_SLOT_CRS_METHOD; | |
672 | aml_append(method, aml_return(aml_call1(s, aml_name("_UID")))); | |
673 | aml_append(dev, method); | |
674 | ||
675 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
676 | s = MEMORY_SLOT_STATUS_METHOD; | |
677 | aml_append(method, aml_return(aml_call1(s, aml_name("_UID")))); | |
678 | aml_append(dev, method); | |
679 | ||
680 | method = aml_method("_PXM", 0, AML_NOTSERIALIZED); | |
681 | s = MEMORY_SLOT_PROXIMITY_METHOD; | |
682 | aml_append(method, aml_return(aml_call1(s, aml_name("_UID")))); | |
683 | aml_append(dev, method); | |
684 | ||
685 | method = aml_method("_OST", 3, AML_NOTSERIALIZED); | |
686 | s = MEMORY_SLOT_OST_METHOD; | |
687 | aml_append(method, aml_return(aml_call4( | |
688 | s, aml_name("_UID"), aml_arg(0), aml_arg(1), aml_arg(2) | |
689 | ))); | |
690 | aml_append(dev, method); | |
691 | ||
692 | method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); | |
693 | s = MEMORY_SLOT_EJECT_METHOD; | |
694 | aml_append(method, aml_return(aml_call2( | |
695 | s, aml_name("_UID"), aml_arg(0)))); | |
696 | aml_append(dev, method); | |
697 | ||
698 | aml_append(dev_container, dev); | |
699 | } | |
75ff0f0c | 700 | |
e1a58fc0 IM |
701 | /* build Method(MEMORY_SLOT_NOTIFY_METHOD, 2) { |
702 | * If (LEqual(Arg0, 0x00)) {Notify(MP00, Arg1)} ... } | |
703 | */ | |
704 | method = aml_method(MEMORY_SLOT_NOTIFY_METHOD, 2, AML_NOTSERIALIZED); | |
705 | for (i = 0; i < nr_mem; i++) { | |
706 | ifctx = aml_if(aml_equal(aml_arg(0), aml_int(i))); | |
707 | aml_append(ifctx, | |
708 | aml_notify(aml_name("MP%.02X", i), aml_arg(1)) | |
709 | ); | |
710 | aml_append(method, ifctx); | |
711 | } | |
712 | aml_append(dev_container, method); | |
75ff0f0c | 713 | } |
e1a58fc0 | 714 | aml_append(table, dev_container); |
d1957dac IM |
715 | |
716 | method = aml_method(event_handler_method, 0, AML_NOTSERIALIZED); | |
e1a58fc0 IM |
717 | aml_append(method, |
718 | aml_call0(MEMORY_DEVICES_CONTAINER "." MEMORY_SLOT_SCAN_METHOD)); | |
d1957dac IM |
719 | aml_append(table, method); |
720 | ||
721 | g_free(mhp_res_path); | |
75ff0f0c | 722 | } |