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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" | |
c06b2ffb | 5 | #include "hw/qdev-core.h" |
d6454270 | 6 | #include "migration/vmstate.h" |
dfe292ff | 7 | #include "trace.h" |
e688df6b | 8 | #include "qapi/error.h" |
27c9188f | 9 | #include "qapi/qapi-events-acpi.h" |
b495ec6c | 10 | #include "qapi/qapi-events-machine.h" |
3ef77aca | 11 | |
c9c08545 IM |
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" | |
c9c08545 IM |
33 | #define MEMORY_HOTPLUG_DEVICE "MHPD" |
34 | ||
43f50410 IM |
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 | { | |
c3033fd3 | 55 | ACPIOSTInfoList ***tail = list; |
43f50410 IM |
56 | int i; |
57 | ||
58 | for (i = 0; i < mem_st->dev_count; i++) { | |
c3033fd3 EB |
59 | QAPI_LIST_APPEND(*tail, |
60 | acpi_memory_device_status(i, &mem_st->devs[i])); | |
43f50410 IM |
61 | } |
62 | } | |
63 | ||
3ef77aca IM |
64 | static uint64_t acpi_memory_hotplug_read(void *opaque, hwaddr addr, |
65 | unsigned int size) | |
66 | { | |
67 | uint32_t val = 0; | |
68 | MemHotplugState *mem_st = opaque; | |
69 | MemStatus *mdev; | |
70 | Object *o; | |
71 | ||
72 | if (mem_st->selector >= mem_st->dev_count) { | |
dfe292ff | 73 | trace_mhp_acpi_invalid_slot_selected(mem_st->selector); |
3ef77aca IM |
74 | return 0; |
75 | } | |
76 | ||
77 | mdev = &mem_st->devs[mem_st->selector]; | |
78 | o = OBJECT(mdev->dimm); | |
79 | switch (addr) { | |
80 | case 0x0: /* Lo part of phys address where DIMM is mapped */ | |
9ed442b8 | 81 | val = o ? object_property_get_uint(o, PC_DIMM_ADDR_PROP, NULL) : 0; |
dfe292ff | 82 | trace_mhp_acpi_read_addr_lo(mem_st->selector, val); |
3ef77aca IM |
83 | break; |
84 | case 0x4: /* Hi part of phys address where DIMM is mapped */ | |
9ed442b8 MAL |
85 | val = |
86 | o ? object_property_get_uint(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 */ | |
b053ef61 | 90 | val = o ? object_property_get_uint(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 */ | |
b053ef61 MAL |
94 | val = |
95 | o ? object_property_get_uint(o, PC_DIMM_SIZE_PROP, NULL) >> 32 : 0; | |
dfe292ff | 96 | trace_mhp_acpi_read_size_hi(mem_st->selector, val); |
3ef77aca IM |
97 | break; |
98 | case 0x10: /* node proximity for _PXM method */ | |
9ed442b8 | 99 | val = o ? object_property_get_uint(o, PC_DIMM_NODE_PROP, NULL) : 0; |
dfe292ff | 100 | trace_mhp_acpi_read_pxm(mem_st->selector, val); |
3ef77aca IM |
101 | break; |
102 | case 0x14: /* pack and return is_* fields */ | |
103 | val |= mdev->is_enabled ? 1 : 0; | |
104 | val |= mdev->is_inserting ? 2 : 0; | |
64fec58e | 105 | val |= mdev->is_removing ? 4 : 0; |
dfe292ff | 106 | trace_mhp_acpi_read_flags(mem_st->selector, val); |
3ef77aca IM |
107 | break; |
108 | default: | |
109 | val = ~0; | |
110 | break; | |
111 | } | |
112 | return val; | |
113 | } | |
114 | ||
115 | static void acpi_memory_hotplug_write(void *opaque, hwaddr addr, uint64_t data, | |
116 | unsigned int size) | |
117 | { | |
118 | MemHotplugState *mem_st = opaque; | |
119 | MemStatus *mdev; | |
5f41fbba | 120 | ACPIOSTInfo *info; |
c06b2ffb ZG |
121 | DeviceState *dev = NULL; |
122 | HotplugHandler *hotplug_ctrl = NULL; | |
bc09e061 | 123 | Error *local_err = NULL; |
3ef77aca IM |
124 | |
125 | if (!mem_st->dev_count) { | |
126 | return; | |
127 | } | |
128 | ||
129 | if (addr) { | |
130 | if (mem_st->selector >= mem_st->dev_count) { | |
dfe292ff | 131 | trace_mhp_acpi_invalid_slot_selected(mem_st->selector); |
3ef77aca IM |
132 | return; |
133 | } | |
134 | } | |
135 | ||
136 | switch (addr) { | |
137 | case 0x0: /* DIMM slot selector */ | |
138 | mem_st->selector = data; | |
dfe292ff | 139 | trace_mhp_acpi_write_slot(mem_st->selector); |
3ef77aca IM |
140 | break; |
141 | case 0x4: /* _OST event */ | |
142 | mdev = &mem_st->devs[mem_st->selector]; | |
143 | if (data == 1) { | |
144 | /* TODO: handle device insert OST event */ | |
145 | } else if (data == 3) { | |
146 | /* TODO: handle device remove OST event */ | |
147 | } | |
148 | mdev->ost_event = data; | |
dfe292ff | 149 | trace_mhp_acpi_write_ost_ev(mem_st->selector, mdev->ost_event); |
3ef77aca IM |
150 | break; |
151 | case 0x8: /* _OST status */ | |
152 | mdev = &mem_st->devs[mem_st->selector]; | |
153 | mdev->ost_status = data; | |
dfe292ff | 154 | trace_mhp_acpi_write_ost_status(mem_st->selector, mdev->ost_status); |
3ef77aca | 155 | /* TODO: implement memory removal on guest signal */ |
5f41fbba IM |
156 | |
157 | info = acpi_memory_device_status(mem_st->selector, mdev); | |
3ab72385 | 158 | qapi_event_send_acpi_device_ost(info); |
5f41fbba | 159 | qapi_free_ACPIOSTInfo(info); |
3ef77aca | 160 | break; |
c06b2ffb | 161 | case 0x14: /* set is_* fields */ |
3ef77aca IM |
162 | mdev = &mem_st->devs[mem_st->selector]; |
163 | if (data & 2) { /* clear insert event */ | |
164 | mdev->is_inserting = false; | |
dfe292ff | 165 | trace_mhp_acpi_clear_insert_evt(mem_st->selector); |
c06b2ffb ZG |
166 | } else if (data & 4) { |
167 | mdev->is_removing = false; | |
168 | trace_mhp_acpi_clear_remove_evt(mem_st->selector); | |
169 | } else if (data & 8) { | |
170 | if (!mdev->is_enabled) { | |
171 | trace_mhp_acpi_ejecting_invalid_slot(mem_st->selector); | |
172 | break; | |
173 | } | |
174 | ||
175 | dev = DEVICE(mdev->dimm); | |
176 | hotplug_ctrl = qdev_get_hotplug_handler(dev); | |
177 | /* call pc-dimm unplug cb */ | |
bc09e061 ZG |
178 | hotplug_handler_unplug(hotplug_ctrl, dev, &local_err); |
179 | if (local_err) { | |
180 | trace_mhp_acpi_pc_dimm_delete_failed(mem_st->selector); | |
181 | qapi_event_send_mem_unplug_error(dev->id, | |
3ab72385 | 182 | error_get_pretty(local_err)); |
903a41d3 | 183 | error_free(local_err); |
bc09e061 ZG |
184 | break; |
185 | } | |
07578b0a | 186 | object_unparent(OBJECT(dev)); |
c06b2ffb | 187 | trace_mhp_acpi_pc_dimm_deleted(mem_st->selector); |
3ef77aca IM |
188 | } |
189 | break; | |
c06b2ffb ZG |
190 | default: |
191 | break; | |
3ef77aca IM |
192 | } |
193 | ||
194 | } | |
195 | static const MemoryRegionOps acpi_memory_hotplug_ops = { | |
196 | .read = acpi_memory_hotplug_read, | |
197 | .write = acpi_memory_hotplug_write, | |
198 | .endianness = DEVICE_LITTLE_ENDIAN, | |
199 | .valid = { | |
200 | .min_access_size = 1, | |
201 | .max_access_size = 4, | |
202 | }, | |
203 | }; | |
204 | ||
205 | void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner, | |
091c466e | 206 | MemHotplugState *state, hwaddr io_base) |
3ef77aca IM |
207 | { |
208 | MachineState *machine = MACHINE(qdev_get_machine()); | |
209 | ||
210 | state->dev_count = machine->ram_slots; | |
211 | if (!state->dev_count) { | |
212 | return; | |
213 | } | |
214 | ||
215 | state->devs = g_malloc0(sizeof(*state->devs) * state->dev_count); | |
216 | memory_region_init_io(&state->io, owner, &acpi_memory_hotplug_ops, state, | |
80db0e78 | 217 | "acpi-mem-hotplug", MEMORY_HOTPLUG_IO_LEN); |
091c466e | 218 | memory_region_add_subregion(as, io_base, &state->io); |
3ef77aca IM |
219 | } |
220 | ||
4aae99b6 TC |
221 | /** |
222 | * acpi_memory_slot_status: | |
223 | * @mem_st: memory hotplug state | |
224 | * @dev: device | |
225 | * @errp: set in case of an error | |
226 | * | |
227 | * Obtain a single memory slot status. | |
228 | * | |
229 | * This function will be called by memory unplug request cb and unplug cb. | |
230 | */ | |
231 | static MemStatus * | |
232 | acpi_memory_slot_status(MemHotplugState *mem_st, | |
233 | DeviceState *dev, Error **errp) | |
3ef77aca | 234 | { |
3ef77aca | 235 | Error *local_err = NULL; |
1d515701 TC |
236 | int slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP, |
237 | &local_err); | |
3ef77aca IM |
238 | |
239 | if (local_err) { | |
240 | error_propagate(errp, local_err); | |
4aae99b6 | 241 | return NULL; |
3ef77aca IM |
242 | } |
243 | ||
244 | if (slot >= mem_st->dev_count) { | |
245 | char *dev_path = object_get_canonical_path(OBJECT(dev)); | |
4aae99b6 | 246 | error_setg(errp, "acpi_memory_slot_status: " |
3ef77aca IM |
247 | "device [%s] returned invalid memory slot[%d]", |
248 | dev_path, slot); | |
249 | g_free(dev_path); | |
4aae99b6 TC |
250 | return NULL; |
251 | } | |
252 | ||
253 | return &mem_st->devs[slot]; | |
254 | } | |
255 | ||
0058c082 | 256 | void acpi_memory_plug_cb(HotplugHandler *hotplug_dev, MemHotplugState *mem_st, |
4aae99b6 TC |
257 | DeviceState *dev, Error **errp) |
258 | { | |
259 | MemStatus *mdev; | |
75f27498 XG |
260 | DeviceClass *dc = DEVICE_GET_CLASS(dev); |
261 | ||
262 | if (!dc->hotpluggable) { | |
263 | return; | |
264 | } | |
4aae99b6 TC |
265 | |
266 | mdev = acpi_memory_slot_status(mem_st, dev, errp); | |
267 | if (!mdev) { | |
3ef77aca IM |
268 | return; |
269 | } | |
270 | ||
3ef77aca | 271 | mdev->dimm = dev; |
75f27498 | 272 | mdev->is_enabled = true; |
4828b10b | 273 | if (dev->hotplugged) { |
75f27498 XG |
274 | mdev->is_inserting = true; |
275 | acpi_send_event(DEVICE(hotplug_dev), ACPI_MEMORY_HOTPLUG_STATUS); | |
4828b10b | 276 | } |
3ef77aca | 277 | } |
f816a62d | 278 | |
0058c082 | 279 | void acpi_memory_unplug_request_cb(HotplugHandler *hotplug_dev, |
64fec58e TC |
280 | MemHotplugState *mem_st, |
281 | DeviceState *dev, Error **errp) | |
282 | { | |
283 | MemStatus *mdev; | |
284 | ||
285 | mdev = acpi_memory_slot_status(mem_st, dev, errp); | |
286 | if (!mdev) { | |
287 | return; | |
288 | } | |
289 | ||
290 | mdev->is_removing = true; | |
0058c082 | 291 | acpi_send_event(DEVICE(hotplug_dev), ACPI_MEMORY_HOTPLUG_STATUS); |
64fec58e TC |
292 | } |
293 | ||
f7d3e29d TC |
294 | void acpi_memory_unplug_cb(MemHotplugState *mem_st, |
295 | DeviceState *dev, Error **errp) | |
296 | { | |
297 | MemStatus *mdev; | |
298 | ||
299 | mdev = acpi_memory_slot_status(mem_st, dev, errp); | |
300 | if (!mdev) { | |
301 | return; | |
302 | } | |
303 | ||
304 | mdev->is_enabled = false; | |
305 | mdev->dimm = NULL; | |
306 | } | |
307 | ||
f816a62d IM |
308 | static const VMStateDescription vmstate_memhp_sts = { |
309 | .name = "memory hotplug device state", | |
310 | .version_id = 1, | |
311 | .minimum_version_id = 1, | |
312 | .minimum_version_id_old = 1, | |
313 | .fields = (VMStateField[]) { | |
314 | VMSTATE_BOOL(is_enabled, MemStatus), | |
315 | VMSTATE_BOOL(is_inserting, MemStatus), | |
316 | VMSTATE_UINT32(ost_event, MemStatus), | |
317 | VMSTATE_UINT32(ost_status, MemStatus), | |
318 | VMSTATE_END_OF_LIST() | |
319 | } | |
320 | }; | |
321 | ||
322 | const VMStateDescription vmstate_memory_hotplug = { | |
323 | .name = "memory hotplug state", | |
324 | .version_id = 1, | |
325 | .minimum_version_id = 1, | |
326 | .minimum_version_id_old = 1, | |
327 | .fields = (VMStateField[]) { | |
328 | VMSTATE_UINT32(selector, MemHotplugState), | |
329 | VMSTATE_STRUCT_VARRAY_POINTER_UINT32(devs, MemHotplugState, dev_count, | |
330 | vmstate_memhp_sts, MemStatus), | |
331 | VMSTATE_END_OF_LIST() | |
332 | } | |
333 | }; | |
a2088da3 | 334 | |
8dfba500 | 335 | void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem, |
d1957dac | 336 | const char *res_root, |
091c466e SK |
337 | const char *event_handler_method, |
338 | AmlRegionSpace rs, hwaddr memhp_io_base) | |
a2088da3 | 339 | { |
8b35ab27 | 340 | int i; |
a2088da3 IM |
341 | Aml *ifctx; |
342 | Aml *method; | |
e1a58fc0 | 343 | Aml *dev_container; |
a2088da3 | 344 | Aml *mem_ctrl_dev; |
80db0e78 IM |
345 | char *mhp_res_path; |
346 | ||
80db0e78 | 347 | mhp_res_path = g_strdup_printf("%s." MEMORY_HOTPLUG_DEVICE, res_root); |
d1957dac | 348 | mem_ctrl_dev = aml_device("%s", mhp_res_path); |
a2088da3 | 349 | { |
8dfba500 | 350 | Aml *crs; |
a2088da3 IM |
351 | |
352 | aml_append(mem_ctrl_dev, aml_name_decl("_HID", aml_string("PNP0A06"))); | |
353 | aml_append(mem_ctrl_dev, | |
354 | aml_name_decl("_UID", aml_string("Memory hotplug resources"))); | |
355 | ||
8dfba500 | 356 | crs = aml_resource_template(); |
091c466e SK |
357 | if (rs == AML_SYSTEM_IO) { |
358 | aml_append(crs, | |
359 | aml_io(AML_DECODE16, memhp_io_base, memhp_io_base, 0, | |
360 | MEMORY_HOTPLUG_IO_LEN) | |
361 | ); | |
362 | } else { | |
363 | aml_append(crs, aml_memory32_fixed(memhp_io_base, | |
364 | MEMORY_HOTPLUG_IO_LEN, AML_READ_WRITE)); | |
365 | } | |
8dfba500 IM |
366 | aml_append(mem_ctrl_dev, aml_name_decl("_CRS", crs)); |
367 | ||
368 | aml_append(mem_ctrl_dev, aml_operation_region( | |
091c466e | 369 | MEMORY_HOTPLUG_IO_REGION, rs, |
80db0e78 | 370 | aml_int(memhp_io_base), MEMORY_HOTPLUG_IO_LEN) |
8dfba500 IM |
371 | ); |
372 | ||
e1a58fc0 IM |
373 | } |
374 | aml_append(table, mem_ctrl_dev); | |
375 | ||
376 | dev_container = aml_device(MEMORY_DEVICES_CONTAINER); | |
377 | { | |
378 | Aml *field; | |
379 | Aml *one = aml_int(1); | |
380 | Aml *zero = aml_int(0); | |
381 | Aml *ret_val = aml_local(0); | |
382 | Aml *slot_arg0 = aml_arg(0); | |
383 | Aml *slots_nr = aml_name(MEMORY_SLOTS_NUMBER); | |
384 | Aml *ctrl_lock = aml_name(MEMORY_SLOT_LOCK); | |
385 | Aml *slot_selector = aml_name(MEMORY_SLOT_SLECTOR); | |
386 | char *mmio_path = g_strdup_printf("%s." MEMORY_HOTPLUG_IO_REGION, | |
387 | mhp_res_path); | |
388 | ||
389 | aml_append(dev_container, aml_name_decl("_HID", aml_string("PNP0A06"))); | |
390 | aml_append(dev_container, | |
391 | aml_name_decl("_UID", aml_string("DIMM devices"))); | |
392 | ||
393 | assert(nr_mem <= ACPI_MAX_RAM_SLOTS); | |
394 | aml_append(dev_container, | |
395 | aml_name_decl(MEMORY_SLOTS_NUMBER, aml_int(nr_mem)) | |
396 | ); | |
397 | ||
398 | field = aml_field(mmio_path, AML_DWORD_ACC, | |
8dfba500 IM |
399 | AML_NOLOCK, AML_PRESERVE); |
400 | aml_append(field, /* read only */ | |
401 | aml_named_field(MEMORY_SLOT_ADDR_LOW, 32)); | |
402 | aml_append(field, /* read only */ | |
403 | aml_named_field(MEMORY_SLOT_ADDR_HIGH, 32)); | |
404 | aml_append(field, /* read only */ | |
405 | aml_named_field(MEMORY_SLOT_SIZE_LOW, 32)); | |
406 | aml_append(field, /* read only */ | |
407 | aml_named_field(MEMORY_SLOT_SIZE_HIGH, 32)); | |
408 | aml_append(field, /* read only */ | |
409 | aml_named_field(MEMORY_SLOT_PROXIMITY, 32)); | |
e1a58fc0 | 410 | aml_append(dev_container, field); |
8dfba500 | 411 | |
e1a58fc0 | 412 | field = aml_field(mmio_path, AML_BYTE_ACC, |
8dfba500 IM |
413 | AML_NOLOCK, AML_WRITE_AS_ZEROS); |
414 | aml_append(field, aml_reserved_field(160 /* bits, Offset(20) */)); | |
415 | aml_append(field, /* 1 if enabled, read only */ | |
416 | aml_named_field(MEMORY_SLOT_ENABLED, 1)); | |
417 | aml_append(field, | |
418 | /*(read) 1 if has a insert event. (write) 1 to clear event */ | |
419 | aml_named_field(MEMORY_SLOT_INSERT_EVENT, 1)); | |
420 | aml_append(field, | |
421 | /* (read) 1 if has a remove event. (write) 1 to clear event */ | |
422 | aml_named_field(MEMORY_SLOT_REMOVE_EVENT, 1)); | |
423 | aml_append(field, | |
424 | /* initiates device eject, write only */ | |
425 | aml_named_field(MEMORY_SLOT_EJECT, 1)); | |
e1a58fc0 | 426 | aml_append(dev_container, field); |
8dfba500 | 427 | |
e1a58fc0 | 428 | field = aml_field(mmio_path, AML_DWORD_ACC, |
8dfba500 IM |
429 | AML_NOLOCK, AML_PRESERVE); |
430 | aml_append(field, /* DIMM selector, write only */ | |
431 | aml_named_field(MEMORY_SLOT_SLECTOR, 32)); | |
432 | aml_append(field, /* _OST event code, write only */ | |
433 | aml_named_field(MEMORY_SLOT_OST_EVENT, 32)); | |
434 | aml_append(field, /* _OST status code, write only */ | |
435 | aml_named_field(MEMORY_SLOT_OST_STATUS, 32)); | |
e1a58fc0 IM |
436 | aml_append(dev_container, field); |
437 | g_free(mmio_path); | |
8dfba500 | 438 | |
a2088da3 IM |
439 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); |
440 | ifctx = aml_if(aml_equal(slots_nr, zero)); | |
441 | { | |
442 | aml_append(ifctx, aml_return(zero)); | |
443 | } | |
444 | aml_append(method, ifctx); | |
445 | /* present, functioning, decoding, not shown in UI */ | |
446 | aml_append(method, aml_return(aml_int(0xB))); | |
e1a58fc0 | 447 | aml_append(dev_container, method); |
a2088da3 | 448 | |
e1a58fc0 | 449 | aml_append(dev_container, aml_mutex(MEMORY_SLOT_LOCK, 0)); |
a2088da3 IM |
450 | |
451 | method = aml_method(MEMORY_SLOT_SCAN_METHOD, 0, AML_NOTSERIALIZED); | |
452 | { | |
453 | Aml *else_ctx; | |
454 | Aml *while_ctx; | |
455 | Aml *idx = aml_local(0); | |
456 | Aml *eject_req = aml_int(3); | |
457 | Aml *dev_chk = aml_int(1); | |
458 | ||
459 | ifctx = aml_if(aml_equal(slots_nr, zero)); | |
460 | { | |
461 | aml_append(ifctx, aml_return(zero)); | |
462 | } | |
463 | aml_append(method, ifctx); | |
464 | ||
465 | aml_append(method, aml_store(zero, idx)); | |
466 | aml_append(method, aml_acquire(ctrl_lock, 0xFFFF)); | |
467 | /* build AML that: | |
468 | * loops over all slots and Notifies DIMMs with | |
469 | * Device Check or Eject Request notifications if | |
470 | * slot has corresponding status bit set and clears | |
471 | * slot status. | |
472 | */ | |
473 | while_ctx = aml_while(aml_lless(idx, slots_nr)); | |
474 | { | |
475 | Aml *ins_evt = aml_name(MEMORY_SLOT_INSERT_EVENT); | |
476 | Aml *rm_evt = aml_name(MEMORY_SLOT_REMOVE_EVENT); | |
477 | ||
478 | aml_append(while_ctx, aml_store(idx, slot_selector)); | |
479 | ifctx = aml_if(aml_equal(ins_evt, one)); | |
480 | { | |
481 | aml_append(ifctx, | |
482 | aml_call2(MEMORY_SLOT_NOTIFY_METHOD, | |
483 | idx, dev_chk)); | |
484 | aml_append(ifctx, aml_store(one, ins_evt)); | |
485 | } | |
486 | aml_append(while_ctx, ifctx); | |
487 | ||
488 | else_ctx = aml_else(); | |
489 | ifctx = aml_if(aml_equal(rm_evt, one)); | |
490 | { | |
491 | aml_append(ifctx, | |
492 | aml_call2(MEMORY_SLOT_NOTIFY_METHOD, | |
493 | idx, eject_req)); | |
494 | aml_append(ifctx, aml_store(one, rm_evt)); | |
495 | } | |
496 | aml_append(else_ctx, ifctx); | |
497 | aml_append(while_ctx, else_ctx); | |
498 | ||
499 | aml_append(while_ctx, aml_add(idx, one, idx)); | |
500 | } | |
501 | aml_append(method, while_ctx); | |
502 | aml_append(method, aml_release(ctrl_lock)); | |
503 | aml_append(method, aml_return(one)); | |
504 | } | |
e1a58fc0 | 505 | aml_append(dev_container, method); |
a2088da3 IM |
506 | |
507 | method = aml_method(MEMORY_SLOT_STATUS_METHOD, 1, AML_NOTSERIALIZED); | |
508 | { | |
509 | Aml *slot_enabled = aml_name(MEMORY_SLOT_ENABLED); | |
510 | ||
511 | aml_append(method, aml_store(zero, ret_val)); | |
512 | aml_append(method, aml_acquire(ctrl_lock, 0xFFFF)); | |
513 | aml_append(method, | |
514 | aml_store(aml_to_integer(slot_arg0), slot_selector)); | |
515 | ||
516 | ifctx = aml_if(aml_equal(slot_enabled, one)); | |
517 | { | |
518 | aml_append(ifctx, aml_store(aml_int(0xF), ret_val)); | |
519 | } | |
520 | aml_append(method, ifctx); | |
521 | ||
522 | aml_append(method, aml_release(ctrl_lock)); | |
523 | aml_append(method, aml_return(ret_val)); | |
524 | } | |
e1a58fc0 | 525 | aml_append(dev_container, method); |
a2088da3 IM |
526 | |
527 | method = aml_method(MEMORY_SLOT_CRS_METHOD, 1, AML_SERIALIZED); | |
528 | { | |
529 | Aml *mr64 = aml_name("MR64"); | |
530 | Aml *mr32 = aml_name("MR32"); | |
531 | Aml *crs_tmpl = aml_resource_template(); | |
532 | Aml *minl = aml_name("MINL"); | |
533 | Aml *minh = aml_name("MINH"); | |
534 | Aml *maxl = aml_name("MAXL"); | |
535 | Aml *maxh = aml_name("MAXH"); | |
536 | Aml *lenl = aml_name("LENL"); | |
537 | Aml *lenh = aml_name("LENH"); | |
538 | ||
539 | aml_append(method, aml_acquire(ctrl_lock, 0xFFFF)); | |
540 | aml_append(method, aml_store(aml_to_integer(slot_arg0), | |
541 | slot_selector)); | |
542 | ||
543 | aml_append(crs_tmpl, | |
544 | aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED, | |
545 | AML_CACHEABLE, AML_READ_WRITE, | |
546 | 0, 0x0, 0xFFFFFFFFFFFFFFFEULL, 0, | |
547 | 0xFFFFFFFFFFFFFFFFULL)); | |
548 | aml_append(method, aml_name_decl("MR64", crs_tmpl)); | |
549 | aml_append(method, | |
550 | aml_create_dword_field(mr64, aml_int(14), "MINL")); | |
551 | aml_append(method, | |
552 | aml_create_dword_field(mr64, aml_int(18), "MINH")); | |
553 | aml_append(method, | |
554 | aml_create_dword_field(mr64, aml_int(38), "LENL")); | |
555 | aml_append(method, | |
556 | aml_create_dword_field(mr64, aml_int(42), "LENH")); | |
557 | aml_append(method, | |
558 | aml_create_dword_field(mr64, aml_int(22), "MAXL")); | |
559 | aml_append(method, | |
560 | aml_create_dword_field(mr64, aml_int(26), "MAXH")); | |
561 | ||
562 | aml_append(method, | |
563 | aml_store(aml_name(MEMORY_SLOT_ADDR_HIGH), minh)); | |
564 | aml_append(method, | |
565 | aml_store(aml_name(MEMORY_SLOT_ADDR_LOW), minl)); | |
566 | aml_append(method, | |
567 | aml_store(aml_name(MEMORY_SLOT_SIZE_HIGH), lenh)); | |
568 | aml_append(method, | |
569 | aml_store(aml_name(MEMORY_SLOT_SIZE_LOW), lenl)); | |
570 | ||
571 | /* 64-bit math: MAX = MIN + LEN - 1 */ | |
572 | aml_append(method, aml_add(minl, lenl, maxl)); | |
573 | aml_append(method, aml_add(minh, lenh, maxh)); | |
574 | ifctx = aml_if(aml_lless(maxl, minl)); | |
575 | { | |
576 | aml_append(ifctx, aml_add(maxh, one, maxh)); | |
577 | } | |
578 | aml_append(method, ifctx); | |
579 | ifctx = aml_if(aml_lless(maxl, one)); | |
580 | { | |
581 | aml_append(ifctx, aml_subtract(maxh, one, maxh)); | |
582 | } | |
583 | aml_append(method, ifctx); | |
584 | aml_append(method, aml_subtract(maxl, one, maxl)); | |
585 | ||
586 | /* return 32-bit _CRS if addr/size is in low mem */ | |
587 | /* TODO: remove it since all hotplugged DIMMs are in high mem */ | |
588 | ifctx = aml_if(aml_equal(maxh, zero)); | |
589 | { | |
590 | crs_tmpl = aml_resource_template(); | |
591 | aml_append(crs_tmpl, | |
592 | aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, | |
593 | AML_MAX_FIXED, AML_CACHEABLE, | |
594 | AML_READ_WRITE, | |
595 | 0, 0x0, 0xFFFFFFFE, 0, | |
596 | 0xFFFFFFFF)); | |
597 | aml_append(ifctx, aml_name_decl("MR32", crs_tmpl)); | |
598 | aml_append(ifctx, | |
599 | aml_create_dword_field(mr32, aml_int(10), "MIN")); | |
600 | aml_append(ifctx, | |
601 | aml_create_dword_field(mr32, aml_int(14), "MAX")); | |
602 | aml_append(ifctx, | |
603 | aml_create_dword_field(mr32, aml_int(22), "LEN")); | |
604 | aml_append(ifctx, aml_store(minl, aml_name("MIN"))); | |
605 | aml_append(ifctx, aml_store(maxl, aml_name("MAX"))); | |
606 | aml_append(ifctx, aml_store(lenl, aml_name("LEN"))); | |
607 | ||
608 | aml_append(ifctx, aml_release(ctrl_lock)); | |
609 | aml_append(ifctx, aml_return(mr32)); | |
610 | } | |
611 | aml_append(method, ifctx); | |
612 | ||
613 | aml_append(method, aml_release(ctrl_lock)); | |
614 | aml_append(method, aml_return(mr64)); | |
615 | } | |
e1a58fc0 | 616 | aml_append(dev_container, method); |
a2088da3 IM |
617 | |
618 | method = aml_method(MEMORY_SLOT_PROXIMITY_METHOD, 1, | |
619 | AML_NOTSERIALIZED); | |
620 | { | |
621 | Aml *proximity = aml_name(MEMORY_SLOT_PROXIMITY); | |
622 | ||
623 | aml_append(method, aml_acquire(ctrl_lock, 0xFFFF)); | |
624 | aml_append(method, aml_store(aml_to_integer(slot_arg0), | |
625 | slot_selector)); | |
626 | aml_append(method, aml_store(proximity, ret_val)); | |
627 | aml_append(method, aml_release(ctrl_lock)); | |
628 | aml_append(method, aml_return(ret_val)); | |
629 | } | |
e1a58fc0 | 630 | aml_append(dev_container, method); |
a2088da3 IM |
631 | |
632 | method = aml_method(MEMORY_SLOT_OST_METHOD, 4, AML_NOTSERIALIZED); | |
633 | { | |
634 | Aml *ost_evt = aml_name(MEMORY_SLOT_OST_EVENT); | |
635 | Aml *ost_status = aml_name(MEMORY_SLOT_OST_STATUS); | |
636 | ||
637 | aml_append(method, aml_acquire(ctrl_lock, 0xFFFF)); | |
638 | aml_append(method, aml_store(aml_to_integer(slot_arg0), | |
639 | slot_selector)); | |
640 | aml_append(method, aml_store(aml_arg(1), ost_evt)); | |
641 | aml_append(method, aml_store(aml_arg(2), ost_status)); | |
642 | aml_append(method, aml_release(ctrl_lock)); | |
643 | } | |
e1a58fc0 | 644 | aml_append(dev_container, method); |
a2088da3 IM |
645 | |
646 | method = aml_method(MEMORY_SLOT_EJECT_METHOD, 2, AML_NOTSERIALIZED); | |
647 | { | |
648 | Aml *eject = aml_name(MEMORY_SLOT_EJECT); | |
649 | ||
650 | aml_append(method, aml_acquire(ctrl_lock, 0xFFFF)); | |
651 | aml_append(method, aml_store(aml_to_integer(slot_arg0), | |
652 | slot_selector)); | |
653 | aml_append(method, aml_store(one, eject)); | |
654 | aml_append(method, aml_release(ctrl_lock)); | |
655 | } | |
e1a58fc0 IM |
656 | aml_append(dev_container, method); |
657 | ||
658 | /* build memory devices */ | |
659 | for (i = 0; i < nr_mem; i++) { | |
660 | Aml *dev; | |
661 | const char *s; | |
662 | ||
663 | dev = aml_device("MP%02X", i); | |
664 | aml_append(dev, aml_name_decl("_UID", aml_string("0x%02X", i))); | |
665 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C80"))); | |
666 | ||
667 | method = aml_method("_CRS", 0, AML_NOTSERIALIZED); | |
668 | s = MEMORY_SLOT_CRS_METHOD; | |
669 | aml_append(method, aml_return(aml_call1(s, aml_name("_UID")))); | |
670 | aml_append(dev, method); | |
671 | ||
672 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
673 | s = MEMORY_SLOT_STATUS_METHOD; | |
674 | aml_append(method, aml_return(aml_call1(s, aml_name("_UID")))); | |
675 | aml_append(dev, method); | |
676 | ||
677 | method = aml_method("_PXM", 0, AML_NOTSERIALIZED); | |
678 | s = MEMORY_SLOT_PROXIMITY_METHOD; | |
679 | aml_append(method, aml_return(aml_call1(s, aml_name("_UID")))); | |
680 | aml_append(dev, method); | |
681 | ||
682 | method = aml_method("_OST", 3, AML_NOTSERIALIZED); | |
683 | s = MEMORY_SLOT_OST_METHOD; | |
e674132a YZ |
684 | aml_append(method, |
685 | aml_call4(s, aml_name("_UID"), aml_arg(0), | |
686 | aml_arg(1), aml_arg(2))); | |
e1a58fc0 IM |
687 | aml_append(dev, method); |
688 | ||
689 | method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); | |
690 | s = MEMORY_SLOT_EJECT_METHOD; | |
e674132a YZ |
691 | aml_append(method, |
692 | aml_call2(s, aml_name("_UID"), aml_arg(0))); | |
e1a58fc0 IM |
693 | aml_append(dev, method); |
694 | ||
695 | aml_append(dev_container, dev); | |
696 | } | |
75ff0f0c | 697 | |
e1a58fc0 IM |
698 | /* build Method(MEMORY_SLOT_NOTIFY_METHOD, 2) { |
699 | * If (LEqual(Arg0, 0x00)) {Notify(MP00, Arg1)} ... } | |
700 | */ | |
701 | method = aml_method(MEMORY_SLOT_NOTIFY_METHOD, 2, AML_NOTSERIALIZED); | |
702 | for (i = 0; i < nr_mem; i++) { | |
703 | ifctx = aml_if(aml_equal(aml_arg(0), aml_int(i))); | |
704 | aml_append(ifctx, | |
705 | aml_notify(aml_name("MP%.02X", i), aml_arg(1)) | |
706 | ); | |
707 | aml_append(method, ifctx); | |
708 | } | |
709 | aml_append(dev_container, method); | |
75ff0f0c | 710 | } |
e1a58fc0 | 711 | aml_append(table, dev_container); |
d1957dac | 712 | |
22338fea SO |
713 | if (event_handler_method) { |
714 | method = aml_method(event_handler_method, 0, AML_NOTSERIALIZED); | |
715 | aml_append(method, aml_call0(MEMORY_DEVICES_CONTAINER "." | |
716 | MEMORY_SLOT_SCAN_METHOD)); | |
717 | aml_append(table, method); | |
718 | } | |
d1957dac IM |
719 | |
720 | g_free(mhp_res_path); | |
75ff0f0c | 721 | } |