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72c194f7 MT |
1 | /* Support for generating ACPI tables and passing them to Guests |
2 | * | |
3 | * Copyright (C) 2008-2010 Kevin O'Connor <kevin@koconnor.net> | |
4 | * Copyright (C) 2006 Fabrice Bellard | |
5 | * Copyright (C) 2013 Red Hat Inc | |
6 | * | |
7 | * Author: Michael S. Tsirkin <mst@redhat.com> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | ||
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | ||
19 | * You should have received a copy of the GNU General Public License along | |
20 | * with this program; if not, see <http://www.gnu.org/licenses/>. | |
21 | */ | |
22 | ||
23 | #include "acpi-build.h" | |
24 | #include <stddef.h> | |
25 | #include <glib.h> | |
26 | #include "qemu-common.h" | |
27 | #include "qemu/bitmap.h" | |
07fb6176 | 28 | #include "qemu/osdep.h" |
72c194f7 | 29 | #include "qemu/range.h" |
07fb6176 | 30 | #include "qemu/error-report.h" |
72c194f7 MT |
31 | #include "hw/pci/pci.h" |
32 | #include "qom/cpu.h" | |
33 | #include "hw/i386/pc.h" | |
34 | #include "target-i386/cpu.h" | |
35 | #include "hw/timer/hpet.h" | |
36 | #include "hw/i386/acpi-defs.h" | |
37 | #include "hw/acpi/acpi.h" | |
38 | #include "hw/nvram/fw_cfg.h" | |
39 | #include "bios-linker-loader.h" | |
40 | #include "hw/loader.h" | |
15bce1b7 | 41 | #include "hw/isa/isa.h" |
bef3492d | 42 | #include "hw/acpi/memory_hotplug.h" |
711b20b4 SB |
43 | #include "sysemu/tpm.h" |
44 | #include "hw/acpi/tpm.h" | |
72c194f7 MT |
45 | |
46 | /* Supported chipsets: */ | |
47 | #include "hw/acpi/piix4.h" | |
99fd437d | 48 | #include "hw/acpi/pcihp.h" |
72c194f7 MT |
49 | #include "hw/i386/ich9.h" |
50 | #include "hw/pci/pci_bus.h" | |
51 | #include "hw/pci-host/q35.h" | |
d4eb9119 | 52 | #include "hw/i386/intel_iommu.h" |
72c194f7 MT |
53 | |
54 | #include "hw/i386/q35-acpi-dsdt.hex" | |
55 | #include "hw/i386/acpi-dsdt.hex" | |
56 | ||
57 | #include "qapi/qmp/qint.h" | |
58 | #include "qom/qom-qobject.h" | |
ad5b88b1 | 59 | #include "exec/ram_addr.h" |
72c194f7 | 60 | |
07fb6176 PB |
61 | /* These are used to size the ACPI tables for -M pc-i440fx-1.7 and |
62 | * -M pc-i440fx-2.0. Even if the actual amount of AML generated grows | |
63 | * a little bit, there should be plenty of free space since the DSDT | |
64 | * shrunk by ~1.5k between QEMU 2.0 and QEMU 2.1. | |
65 | */ | |
66 | #define ACPI_BUILD_LEGACY_CPU_AML_SIZE 97 | |
67 | #define ACPI_BUILD_ALIGN_SIZE 0x1000 | |
68 | ||
868270f2 | 69 | #define ACPI_BUILD_TABLE_SIZE 0x20000 |
18045fb9 | 70 | |
8b310fc4 GA |
71 | /* #define DEBUG_ACPI_BUILD */ |
72 | #ifdef DEBUG_ACPI_BUILD | |
73 | #define ACPI_BUILD_DPRINTF(fmt, ...) \ | |
74 | do {printf("ACPI_BUILD: " fmt, ## __VA_ARGS__); } while (0) | |
75 | #else | |
76 | #define ACPI_BUILD_DPRINTF(fmt, ...) | |
77 | #endif | |
78 | ||
72c194f7 | 79 | typedef struct AcpiCpuInfo { |
798325ed | 80 | DECLARE_BITMAP(found_cpus, ACPI_CPU_HOTPLUG_ID_LIMIT); |
72c194f7 MT |
81 | } AcpiCpuInfo; |
82 | ||
83 | typedef struct AcpiMcfgInfo { | |
84 | uint64_t mcfg_base; | |
85 | uint32_t mcfg_size; | |
86 | } AcpiMcfgInfo; | |
87 | ||
88 | typedef struct AcpiPmInfo { | |
89 | bool s3_disabled; | |
90 | bool s4_disabled; | |
133a2da4 | 91 | bool pcihp_bridge_en; |
72c194f7 MT |
92 | uint8_t s4_val; |
93 | uint16_t sci_int; | |
94 | uint8_t acpi_enable_cmd; | |
95 | uint8_t acpi_disable_cmd; | |
96 | uint32_t gpe0_blk; | |
97 | uint32_t gpe0_blk_len; | |
98 | uint32_t io_base; | |
99 | } AcpiPmInfo; | |
100 | ||
101 | typedef struct AcpiMiscInfo { | |
102 | bool has_hpet; | |
711b20b4 | 103 | bool has_tpm; |
72c194f7 MT |
104 | DECLARE_BITMAP(slot_hotplug_enable, PCI_SLOT_MAX); |
105 | const unsigned char *dsdt_code; | |
106 | unsigned dsdt_size; | |
107 | uint16_t pvpanic_port; | |
108 | } AcpiMiscInfo; | |
109 | ||
99fd437d MT |
110 | typedef struct AcpiBuildPciBusHotplugState { |
111 | GArray *device_table; | |
112 | GArray *notify_table; | |
113 | struct AcpiBuildPciBusHotplugState *parent; | |
133a2da4 | 114 | bool pcihp_bridge_en; |
99fd437d MT |
115 | } AcpiBuildPciBusHotplugState; |
116 | ||
72c194f7 MT |
117 | static void acpi_get_dsdt(AcpiMiscInfo *info) |
118 | { | |
8977557a | 119 | uint16_t *applesmc_sta; |
72c194f7 MT |
120 | Object *piix = piix4_pm_find(); |
121 | Object *lpc = ich9_lpc_find(); | |
122 | assert(!!piix != !!lpc); | |
123 | ||
124 | if (piix) { | |
125 | info->dsdt_code = AcpiDsdtAmlCode; | |
126 | info->dsdt_size = sizeof AcpiDsdtAmlCode; | |
8977557a | 127 | applesmc_sta = piix_dsdt_applesmc_sta; |
72c194f7 MT |
128 | } |
129 | if (lpc) { | |
130 | info->dsdt_code = Q35AcpiDsdtAmlCode; | |
131 | info->dsdt_size = sizeof Q35AcpiDsdtAmlCode; | |
8977557a | 132 | applesmc_sta = q35_dsdt_applesmc_sta; |
72c194f7 | 133 | } |
15bce1b7 GS |
134 | |
135 | /* Patch in appropriate value for AppleSMC _STA */ | |
8977557a GS |
136 | *(uint8_t *)(info->dsdt_code + *applesmc_sta) = |
137 | applesmc_find() ? 0x0b : 0x00; | |
72c194f7 MT |
138 | } |
139 | ||
140 | static | |
141 | int acpi_add_cpu_info(Object *o, void *opaque) | |
142 | { | |
143 | AcpiCpuInfo *cpu = opaque; | |
144 | uint64_t apic_id; | |
145 | ||
146 | if (object_dynamic_cast(o, TYPE_CPU)) { | |
147 | apic_id = object_property_get_int(o, "apic-id", NULL); | |
798325ed | 148 | assert(apic_id < ACPI_CPU_HOTPLUG_ID_LIMIT); |
72c194f7 MT |
149 | |
150 | set_bit(apic_id, cpu->found_cpus); | |
151 | } | |
152 | ||
153 | object_child_foreach(o, acpi_add_cpu_info, opaque); | |
154 | return 0; | |
155 | } | |
156 | ||
157 | static void acpi_get_cpu_info(AcpiCpuInfo *cpu) | |
158 | { | |
159 | Object *root = object_get_root(); | |
160 | ||
161 | memset(cpu->found_cpus, 0, sizeof cpu->found_cpus); | |
162 | object_child_foreach(root, acpi_add_cpu_info, cpu); | |
163 | } | |
164 | ||
165 | static void acpi_get_pm_info(AcpiPmInfo *pm) | |
166 | { | |
167 | Object *piix = piix4_pm_find(); | |
168 | Object *lpc = ich9_lpc_find(); | |
169 | Object *obj = NULL; | |
170 | QObject *o; | |
171 | ||
172 | if (piix) { | |
173 | obj = piix; | |
174 | } | |
175 | if (lpc) { | |
176 | obj = lpc; | |
177 | } | |
178 | assert(obj); | |
179 | ||
180 | /* Fill in optional s3/s4 related properties */ | |
181 | o = object_property_get_qobject(obj, ACPI_PM_PROP_S3_DISABLED, NULL); | |
182 | if (o) { | |
183 | pm->s3_disabled = qint_get_int(qobject_to_qint(o)); | |
184 | } else { | |
185 | pm->s3_disabled = false; | |
186 | } | |
097a97a6 | 187 | qobject_decref(o); |
72c194f7 MT |
188 | o = object_property_get_qobject(obj, ACPI_PM_PROP_S4_DISABLED, NULL); |
189 | if (o) { | |
190 | pm->s4_disabled = qint_get_int(qobject_to_qint(o)); | |
191 | } else { | |
192 | pm->s4_disabled = false; | |
193 | } | |
097a97a6 | 194 | qobject_decref(o); |
72c194f7 MT |
195 | o = object_property_get_qobject(obj, ACPI_PM_PROP_S4_VAL, NULL); |
196 | if (o) { | |
197 | pm->s4_val = qint_get_int(qobject_to_qint(o)); | |
198 | } else { | |
199 | pm->s4_val = false; | |
200 | } | |
097a97a6 | 201 | qobject_decref(o); |
72c194f7 MT |
202 | |
203 | /* Fill in mandatory properties */ | |
204 | pm->sci_int = object_property_get_int(obj, ACPI_PM_PROP_SCI_INT, NULL); | |
205 | ||
206 | pm->acpi_enable_cmd = object_property_get_int(obj, | |
207 | ACPI_PM_PROP_ACPI_ENABLE_CMD, | |
208 | NULL); | |
209 | pm->acpi_disable_cmd = object_property_get_int(obj, | |
210 | ACPI_PM_PROP_ACPI_DISABLE_CMD, | |
211 | NULL); | |
212 | pm->io_base = object_property_get_int(obj, ACPI_PM_PROP_PM_IO_BASE, | |
213 | NULL); | |
214 | pm->gpe0_blk = object_property_get_int(obj, ACPI_PM_PROP_GPE0_BLK, | |
215 | NULL); | |
216 | pm->gpe0_blk_len = object_property_get_int(obj, ACPI_PM_PROP_GPE0_BLK_LEN, | |
217 | NULL); | |
133a2da4 IM |
218 | pm->pcihp_bridge_en = |
219 | object_property_get_bool(obj, "acpi-pci-hotplug-with-bridge-support", | |
220 | NULL); | |
72c194f7 MT |
221 | } |
222 | ||
72c194f7 MT |
223 | static void acpi_get_misc_info(AcpiMiscInfo *info) |
224 | { | |
225 | info->has_hpet = hpet_find(); | |
711b20b4 | 226 | info->has_tpm = tpm_find(); |
72c194f7 MT |
227 | info->pvpanic_port = pvpanic_port(); |
228 | } | |
229 | ||
230 | static void acpi_get_pci_info(PcPciInfo *info) | |
231 | { | |
232 | Object *pci_host; | |
233 | bool ambiguous; | |
234 | ||
235 | pci_host = object_resolve_path_type("", TYPE_PCI_HOST_BRIDGE, &ambiguous); | |
236 | g_assert(!ambiguous); | |
237 | g_assert(pci_host); | |
238 | ||
239 | info->w32.begin = object_property_get_int(pci_host, | |
240 | PCI_HOST_PROP_PCI_HOLE_START, | |
241 | NULL); | |
242 | info->w32.end = object_property_get_int(pci_host, | |
243 | PCI_HOST_PROP_PCI_HOLE_END, | |
244 | NULL); | |
245 | info->w64.begin = object_property_get_int(pci_host, | |
246 | PCI_HOST_PROP_PCI_HOLE64_START, | |
247 | NULL); | |
248 | info->w64.end = object_property_get_int(pci_host, | |
249 | PCI_HOST_PROP_PCI_HOLE64_END, | |
250 | NULL); | |
251 | } | |
252 | ||
253 | #define ACPI_BUILD_APPNAME "Bochs" | |
254 | #define ACPI_BUILD_APPNAME6 "BOCHS " | |
255 | #define ACPI_BUILD_APPNAME4 "BXPC" | |
256 | ||
72c194f7 MT |
257 | #define ACPI_BUILD_TABLE_FILE "etc/acpi/tables" |
258 | #define ACPI_BUILD_RSDP_FILE "etc/acpi/rsdp" | |
42a5b308 | 259 | #define ACPI_BUILD_TPMLOG_FILE "etc/tpm/log" |
72c194f7 MT |
260 | |
261 | static void | |
262 | build_header(GArray *linker, GArray *table_data, | |
821e3227 | 263 | AcpiTableHeader *h, const char *sig, int len, uint8_t rev) |
72c194f7 | 264 | { |
821e3227 | 265 | memcpy(&h->signature, sig, 4); |
72c194f7 MT |
266 | h->length = cpu_to_le32(len); |
267 | h->revision = rev; | |
268 | memcpy(h->oem_id, ACPI_BUILD_APPNAME6, 6); | |
269 | memcpy(h->oem_table_id, ACPI_BUILD_APPNAME4, 4); | |
821e3227 | 270 | memcpy(h->oem_table_id + 4, sig, 4); |
72c194f7 MT |
271 | h->oem_revision = cpu_to_le32(1); |
272 | memcpy(h->asl_compiler_id, ACPI_BUILD_APPNAME4, 4); | |
273 | h->asl_compiler_revision = cpu_to_le32(1); | |
274 | h->checksum = 0; | |
275 | /* Checksum to be filled in by Guest linker */ | |
276 | bios_linker_loader_add_checksum(linker, ACPI_BUILD_TABLE_FILE, | |
277 | table_data->data, h, len, &h->checksum); | |
278 | } | |
279 | ||
280 | static inline GArray *build_alloc_array(void) | |
281 | { | |
fcf55f58 | 282 | return g_array_new(false, true /* clear */, 1); |
72c194f7 MT |
283 | } |
284 | ||
285 | static inline void build_free_array(GArray *array) | |
286 | { | |
fcf55f58 | 287 | g_array_free(array, true); |
72c194f7 MT |
288 | } |
289 | ||
290 | static inline void build_prepend_byte(GArray *array, uint8_t val) | |
291 | { | |
292 | g_array_prepend_val(array, val); | |
293 | } | |
294 | ||
295 | static inline void build_append_byte(GArray *array, uint8_t val) | |
296 | { | |
297 | g_array_append_val(array, val); | |
298 | } | |
299 | ||
300 | static inline void build_append_array(GArray *array, GArray *val) | |
301 | { | |
302 | g_array_append_vals(array, val->data, val->len); | |
303 | } | |
304 | ||
867d898c SW |
305 | static void GCC_FMT_ATTR(2, 3) |
306 | build_append_nameseg(GArray *array, const char *format, ...) | |
72c194f7 | 307 | { |
542da88f MT |
308 | /* It would be nicer to use g_string_vprintf but it's only there in 2.22 */ |
309 | char s[] = "XXXX"; | |
310 | int len; | |
72c194f7 MT |
311 | va_list args; |
312 | ||
313 | va_start(args, format); | |
542da88f | 314 | len = vsnprintf(s, sizeof s, format, args); |
72c194f7 MT |
315 | va_end(args); |
316 | ||
542da88f MT |
317 | assert(len == 4); |
318 | g_array_append_vals(array, s, len); | |
72c194f7 MT |
319 | } |
320 | ||
321 | /* 5.4 Definition Block Encoding */ | |
322 | enum { | |
323 | PACKAGE_LENGTH_1BYTE_SHIFT = 6, /* Up to 63 - use extra 2 bits. */ | |
324 | PACKAGE_LENGTH_2BYTE_SHIFT = 4, | |
325 | PACKAGE_LENGTH_3BYTE_SHIFT = 12, | |
326 | PACKAGE_LENGTH_4BYTE_SHIFT = 20, | |
327 | }; | |
328 | ||
329 | static void build_prepend_package_length(GArray *package, unsigned min_bytes) | |
330 | { | |
331 | uint8_t byte; | |
332 | unsigned length = package->len; | |
333 | unsigned length_bytes; | |
334 | ||
335 | if (length + 1 < (1 << PACKAGE_LENGTH_1BYTE_SHIFT)) { | |
336 | length_bytes = 1; | |
337 | } else if (length + 2 < (1 << PACKAGE_LENGTH_3BYTE_SHIFT)) { | |
338 | length_bytes = 2; | |
339 | } else if (length + 3 < (1 << PACKAGE_LENGTH_4BYTE_SHIFT)) { | |
340 | length_bytes = 3; | |
341 | } else { | |
342 | length_bytes = 4; | |
343 | } | |
344 | ||
345 | /* Force length to at least min_bytes. | |
346 | * This wastes memory but that's how bios did it. | |
347 | */ | |
348 | length_bytes = MAX(length_bytes, min_bytes); | |
349 | ||
350 | /* PkgLength is the length of the inclusive length of the data. */ | |
351 | length += length_bytes; | |
352 | ||
353 | switch (length_bytes) { | |
354 | case 1: | |
355 | byte = length; | |
356 | build_prepend_byte(package, byte); | |
357 | return; | |
358 | case 4: | |
359 | byte = length >> PACKAGE_LENGTH_4BYTE_SHIFT; | |
360 | build_prepend_byte(package, byte); | |
361 | length &= (1 << PACKAGE_LENGTH_4BYTE_SHIFT) - 1; | |
362 | /* fall through */ | |
363 | case 3: | |
364 | byte = length >> PACKAGE_LENGTH_3BYTE_SHIFT; | |
365 | build_prepend_byte(package, byte); | |
366 | length &= (1 << PACKAGE_LENGTH_3BYTE_SHIFT) - 1; | |
367 | /* fall through */ | |
368 | case 2: | |
369 | byte = length >> PACKAGE_LENGTH_2BYTE_SHIFT; | |
370 | build_prepend_byte(package, byte); | |
371 | length &= (1 << PACKAGE_LENGTH_2BYTE_SHIFT) - 1; | |
372 | /* fall through */ | |
373 | } | |
374 | /* | |
375 | * Most significant two bits of byte zero indicate how many following bytes | |
376 | * are in PkgLength encoding. | |
377 | */ | |
378 | byte = ((length_bytes - 1) << PACKAGE_LENGTH_1BYTE_SHIFT) | length; | |
379 | build_prepend_byte(package, byte); | |
380 | } | |
381 | ||
382 | static void build_package(GArray *package, uint8_t op, unsigned min_bytes) | |
383 | { | |
384 | build_prepend_package_length(package, min_bytes); | |
385 | build_prepend_byte(package, op); | |
386 | } | |
387 | ||
99fd437d MT |
388 | static void build_extop_package(GArray *package, uint8_t op) |
389 | { | |
390 | build_package(package, op, 1); | |
391 | build_prepend_byte(package, 0x5B); /* ExtOpPrefix */ | |
392 | } | |
393 | ||
72c194f7 MT |
394 | static void build_append_value(GArray *table, uint32_t value, int size) |
395 | { | |
396 | uint8_t prefix; | |
397 | int i; | |
398 | ||
399 | switch (size) { | |
400 | case 1: | |
401 | prefix = 0x0A; /* BytePrefix */ | |
402 | break; | |
403 | case 2: | |
404 | prefix = 0x0B; /* WordPrefix */ | |
405 | break; | |
406 | case 4: | |
407 | prefix = 0x0C; /* DWordPrefix */ | |
408 | break; | |
409 | default: | |
410 | assert(0); | |
411 | return; | |
412 | } | |
413 | build_append_byte(table, prefix); | |
414 | for (i = 0; i < size; ++i) { | |
415 | build_append_byte(table, value & 0xFF); | |
416 | value = value >> 8; | |
417 | } | |
418 | } | |
419 | ||
99fd437d MT |
420 | static void build_append_int(GArray *table, uint32_t value) |
421 | { | |
422 | if (value == 0x00) { | |
423 | build_append_byte(table, 0x00); /* ZeroOp */ | |
424 | } else if (value == 0x01) { | |
425 | build_append_byte(table, 0x01); /* OneOp */ | |
426 | } else if (value <= 0xFF) { | |
427 | build_append_value(table, value, 1); | |
482f38b9 | 428 | } else if (value <= 0xFFFF) { |
99fd437d MT |
429 | build_append_value(table, value, 2); |
430 | } else { | |
431 | build_append_value(table, value, 4); | |
432 | } | |
433 | } | |
434 | ||
435 | static GArray *build_alloc_method(const char *name, uint8_t arg_count) | |
436 | { | |
437 | GArray *method = build_alloc_array(); | |
438 | ||
439 | build_append_nameseg(method, "%s", name); | |
440 | build_append_byte(method, arg_count); /* MethodFlags: ArgCount */ | |
441 | ||
442 | return method; | |
443 | } | |
444 | ||
445 | static void build_append_and_cleanup_method(GArray *device, GArray *method) | |
446 | { | |
447 | uint8_t op = 0x14; /* MethodOp */ | |
448 | ||
449 | build_package(method, op, 0); | |
450 | ||
451 | build_append_array(device, method); | |
452 | build_free_array(method); | |
453 | } | |
454 | ||
455 | static void build_append_notify_target_ifequal(GArray *method, | |
456 | GArray *target_name, | |
457 | uint32_t value, int size) | |
72c194f7 MT |
458 | { |
459 | GArray *notify = build_alloc_array(); | |
460 | uint8_t op = 0xA0; /* IfOp */ | |
461 | ||
462 | build_append_byte(notify, 0x93); /* LEqualOp */ | |
463 | build_append_byte(notify, 0x68); /* Arg0Op */ | |
464 | build_append_value(notify, value, size); | |
465 | build_append_byte(notify, 0x86); /* NotifyOp */ | |
466 | build_append_array(notify, target_name); | |
467 | build_append_byte(notify, 0x69); /* Arg1Op */ | |
468 | ||
469 | /* Pack it up */ | |
470 | build_package(notify, op, 1); | |
471 | ||
472 | build_append_array(method, notify); | |
473 | ||
474 | build_free_array(notify); | |
475 | } | |
476 | ||
99fd437d | 477 | /* End here */ |
72c194f7 MT |
478 | #define ACPI_PORT_SMI_CMD 0x00b2 /* TODO: this is APM_CNT_IOPORT */ |
479 | ||
480 | static inline void *acpi_data_push(GArray *table_data, unsigned size) | |
481 | { | |
482 | unsigned off = table_data->len; | |
483 | g_array_set_size(table_data, off + size); | |
484 | return table_data->data + off; | |
485 | } | |
486 | ||
487 | static unsigned acpi_data_len(GArray *table) | |
488 | { | |
134d42d6 | 489 | #if GLIB_CHECK_VERSION(2, 22, 0) |
b15654c2 MT |
490 | assert(g_array_get_element_size(table) == 1); |
491 | #endif | |
492 | return table->len; | |
72c194f7 MT |
493 | } |
494 | ||
495 | static void acpi_align_size(GArray *blob, unsigned align) | |
496 | { | |
497 | /* Align size to multiple of given size. This reduces the chance | |
498 | * we need to change size in the future (breaking cross version migration). | |
499 | */ | |
134d42d6 | 500 | g_array_set_size(blob, ROUND_UP(acpi_data_len(blob), align)); |
72c194f7 MT |
501 | } |
502 | ||
b4e5a4bf MT |
503 | /* Set a value within table in a safe manner */ |
504 | #define ACPI_BUILD_SET_LE(table, size, off, bits, val) \ | |
505 | do { \ | |
506 | uint64_t ACPI_BUILD_SET_LE_val = cpu_to_le64(val); \ | |
507 | memcpy(acpi_data_get_ptr(table, size, off, \ | |
508 | (bits) / BITS_PER_BYTE), \ | |
509 | &ACPI_BUILD_SET_LE_val, \ | |
510 | (bits) / BITS_PER_BYTE); \ | |
511 | } while (0) | |
72c194f7 MT |
512 | |
513 | static inline void *acpi_data_get_ptr(uint8_t *table_data, unsigned table_size, | |
514 | unsigned off, unsigned size) | |
515 | { | |
516 | assert(off + size > off); | |
517 | assert(off + size <= table_size); | |
518 | return table_data + off; | |
519 | } | |
520 | ||
521 | static inline void acpi_add_table(GArray *table_offsets, GArray *table_data) | |
522 | { | |
523 | uint32_t offset = cpu_to_le32(table_data->len); | |
524 | g_array_append_val(table_offsets, offset); | |
525 | } | |
526 | ||
527 | /* FACS */ | |
528 | static void | |
529 | build_facs(GArray *table_data, GArray *linker, PcGuestInfo *guest_info) | |
530 | { | |
531 | AcpiFacsDescriptorRev1 *facs = acpi_data_push(table_data, sizeof *facs); | |
821e3227 | 532 | memcpy(&facs->signature, "FACS", 4); |
72c194f7 MT |
533 | facs->length = cpu_to_le32(sizeof(*facs)); |
534 | } | |
535 | ||
536 | /* Load chipset information in FADT */ | |
537 | static void fadt_setup(AcpiFadtDescriptorRev1 *fadt, AcpiPmInfo *pm) | |
538 | { | |
539 | fadt->model = 1; | |
540 | fadt->reserved1 = 0; | |
541 | fadt->sci_int = cpu_to_le16(pm->sci_int); | |
542 | fadt->smi_cmd = cpu_to_le32(ACPI_PORT_SMI_CMD); | |
543 | fadt->acpi_enable = pm->acpi_enable_cmd; | |
544 | fadt->acpi_disable = pm->acpi_disable_cmd; | |
545 | /* EVT, CNT, TMR offset matches hw/acpi/core.c */ | |
546 | fadt->pm1a_evt_blk = cpu_to_le32(pm->io_base); | |
547 | fadt->pm1a_cnt_blk = cpu_to_le32(pm->io_base + 0x04); | |
548 | fadt->pm_tmr_blk = cpu_to_le32(pm->io_base + 0x08); | |
549 | fadt->gpe0_blk = cpu_to_le32(pm->gpe0_blk); | |
550 | /* EVT, CNT, TMR length matches hw/acpi/core.c */ | |
551 | fadt->pm1_evt_len = 4; | |
552 | fadt->pm1_cnt_len = 2; | |
553 | fadt->pm_tmr_len = 4; | |
554 | fadt->gpe0_blk_len = pm->gpe0_blk_len; | |
555 | fadt->plvl2_lat = cpu_to_le16(0xfff); /* C2 state not supported */ | |
556 | fadt->plvl3_lat = cpu_to_le16(0xfff); /* C3 state not supported */ | |
557 | fadt->flags = cpu_to_le32((1 << ACPI_FADT_F_WBINVD) | | |
558 | (1 << ACPI_FADT_F_PROC_C1) | | |
559 | (1 << ACPI_FADT_F_SLP_BUTTON) | | |
560 | (1 << ACPI_FADT_F_RTC_S4)); | |
561 | fadt->flags |= cpu_to_le32(1 << ACPI_FADT_F_USE_PLATFORM_CLOCK); | |
07b81ed9 HZ |
562 | /* APIC destination mode ("Flat Logical") has an upper limit of 8 CPUs |
563 | * For more than 8 CPUs, "Clustered Logical" mode has to be used | |
564 | */ | |
565 | if (max_cpus > 8) { | |
566 | fadt->flags |= cpu_to_le32(1 << ACPI_FADT_F_FORCE_APIC_CLUSTER_MODEL); | |
567 | } | |
72c194f7 MT |
568 | } |
569 | ||
570 | ||
571 | /* FADT */ | |
572 | static void | |
573 | build_fadt(GArray *table_data, GArray *linker, AcpiPmInfo *pm, | |
574 | unsigned facs, unsigned dsdt) | |
575 | { | |
576 | AcpiFadtDescriptorRev1 *fadt = acpi_data_push(table_data, sizeof(*fadt)); | |
577 | ||
578 | fadt->firmware_ctrl = cpu_to_le32(facs); | |
579 | /* FACS address to be filled by Guest linker */ | |
580 | bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE, | |
581 | ACPI_BUILD_TABLE_FILE, | |
582 | table_data, &fadt->firmware_ctrl, | |
583 | sizeof fadt->firmware_ctrl); | |
584 | ||
585 | fadt->dsdt = cpu_to_le32(dsdt); | |
586 | /* DSDT address to be filled by Guest linker */ | |
587 | bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE, | |
588 | ACPI_BUILD_TABLE_FILE, | |
589 | table_data, &fadt->dsdt, | |
590 | sizeof fadt->dsdt); | |
591 | ||
592 | fadt_setup(fadt, pm); | |
593 | ||
594 | build_header(linker, table_data, | |
821e3227 | 595 | (void *)fadt, "FACP", sizeof(*fadt), 1); |
72c194f7 MT |
596 | } |
597 | ||
598 | static void | |
599 | build_madt(GArray *table_data, GArray *linker, AcpiCpuInfo *cpu, | |
600 | PcGuestInfo *guest_info) | |
601 | { | |
602 | int madt_start = table_data->len; | |
603 | ||
604 | AcpiMultipleApicTable *madt; | |
605 | AcpiMadtIoApic *io_apic; | |
606 | AcpiMadtIntsrcovr *intsrcovr; | |
607 | AcpiMadtLocalNmi *local_nmi; | |
608 | int i; | |
609 | ||
610 | madt = acpi_data_push(table_data, sizeof *madt); | |
611 | madt->local_apic_address = cpu_to_le32(APIC_DEFAULT_ADDRESS); | |
612 | madt->flags = cpu_to_le32(1); | |
613 | ||
614 | for (i = 0; i < guest_info->apic_id_limit; i++) { | |
615 | AcpiMadtProcessorApic *apic = acpi_data_push(table_data, sizeof *apic); | |
616 | apic->type = ACPI_APIC_PROCESSOR; | |
617 | apic->length = sizeof(*apic); | |
618 | apic->processor_id = i; | |
619 | apic->local_apic_id = i; | |
620 | if (test_bit(i, cpu->found_cpus)) { | |
621 | apic->flags = cpu_to_le32(1); | |
622 | } else { | |
623 | apic->flags = cpu_to_le32(0); | |
624 | } | |
625 | } | |
626 | io_apic = acpi_data_push(table_data, sizeof *io_apic); | |
627 | io_apic->type = ACPI_APIC_IO; | |
628 | io_apic->length = sizeof(*io_apic); | |
629 | #define ACPI_BUILD_IOAPIC_ID 0x0 | |
630 | io_apic->io_apic_id = ACPI_BUILD_IOAPIC_ID; | |
631 | io_apic->address = cpu_to_le32(IO_APIC_DEFAULT_ADDRESS); | |
632 | io_apic->interrupt = cpu_to_le32(0); | |
633 | ||
634 | if (guest_info->apic_xrupt_override) { | |
635 | intsrcovr = acpi_data_push(table_data, sizeof *intsrcovr); | |
636 | intsrcovr->type = ACPI_APIC_XRUPT_OVERRIDE; | |
637 | intsrcovr->length = sizeof(*intsrcovr); | |
638 | intsrcovr->source = 0; | |
639 | intsrcovr->gsi = cpu_to_le32(2); | |
640 | intsrcovr->flags = cpu_to_le16(0); /* conforms to bus specifications */ | |
641 | } | |
642 | for (i = 1; i < 16; i++) { | |
643 | #define ACPI_BUILD_PCI_IRQS ((1<<5) | (1<<9) | (1<<10) | (1<<11)) | |
644 | if (!(ACPI_BUILD_PCI_IRQS & (1 << i))) { | |
645 | /* No need for a INT source override structure. */ | |
646 | continue; | |
647 | } | |
648 | intsrcovr = acpi_data_push(table_data, sizeof *intsrcovr); | |
649 | intsrcovr->type = ACPI_APIC_XRUPT_OVERRIDE; | |
650 | intsrcovr->length = sizeof(*intsrcovr); | |
651 | intsrcovr->source = i; | |
652 | intsrcovr->gsi = cpu_to_le32(i); | |
653 | intsrcovr->flags = cpu_to_le16(0xd); /* active high, level triggered */ | |
654 | } | |
655 | ||
656 | local_nmi = acpi_data_push(table_data, sizeof *local_nmi); | |
657 | local_nmi->type = ACPI_APIC_LOCAL_NMI; | |
658 | local_nmi->length = sizeof(*local_nmi); | |
659 | local_nmi->processor_id = 0xff; /* all processors */ | |
660 | local_nmi->flags = cpu_to_le16(0); | |
661 | local_nmi->lint = 1; /* ACPI_LINT1 */ | |
662 | ||
663 | build_header(linker, table_data, | |
821e3227 | 664 | (void *)(table_data->data + madt_start), "APIC", |
72c194f7 MT |
665 | table_data->len - madt_start, 1); |
666 | } | |
667 | ||
668 | /* Encode a hex value */ | |
669 | static inline char acpi_get_hex(uint32_t val) | |
670 | { | |
671 | val &= 0x0f; | |
672 | return (val <= 9) ? ('0' + val) : ('A' + val - 10); | |
673 | } | |
674 | ||
675 | #include "hw/i386/ssdt-proc.hex" | |
676 | ||
677 | /* 0x5B 0x83 ProcessorOp PkgLength NameString ProcID */ | |
678 | #define ACPI_PROC_OFFSET_CPUHEX (*ssdt_proc_name - *ssdt_proc_start + 2) | |
679 | #define ACPI_PROC_OFFSET_CPUID1 (*ssdt_proc_name - *ssdt_proc_start + 4) | |
680 | #define ACPI_PROC_OFFSET_CPUID2 (*ssdt_proc_id - *ssdt_proc_start) | |
681 | #define ACPI_PROC_SIZEOF (*ssdt_proc_end - *ssdt_proc_start) | |
682 | #define ACPI_PROC_AML (ssdp_proc_aml + *ssdt_proc_start) | |
683 | ||
684 | /* 0x5B 0x82 DeviceOp PkgLength NameString */ | |
685 | #define ACPI_PCIHP_OFFSET_HEX (*ssdt_pcihp_name - *ssdt_pcihp_start + 1) | |
686 | #define ACPI_PCIHP_OFFSET_ID (*ssdt_pcihp_id - *ssdt_pcihp_start) | |
687 | #define ACPI_PCIHP_OFFSET_ADR (*ssdt_pcihp_adr - *ssdt_pcihp_start) | |
688 | #define ACPI_PCIHP_OFFSET_EJ0 (*ssdt_pcihp_ej0 - *ssdt_pcihp_start) | |
689 | #define ACPI_PCIHP_SIZEOF (*ssdt_pcihp_end - *ssdt_pcihp_start) | |
690 | #define ACPI_PCIHP_AML (ssdp_pcihp_aml + *ssdt_pcihp_start) | |
691 | ||
8dcf525a MT |
692 | #define ACPI_PCINOHP_OFFSET_HEX (*ssdt_pcinohp_name - *ssdt_pcinohp_start + 1) |
693 | #define ACPI_PCINOHP_OFFSET_ADR (*ssdt_pcinohp_adr - *ssdt_pcinohp_start) | |
694 | #define ACPI_PCINOHP_SIZEOF (*ssdt_pcinohp_end - *ssdt_pcinohp_start) | |
695 | #define ACPI_PCINOHP_AML (ssdp_pcihp_aml + *ssdt_pcinohp_start) | |
696 | ||
697 | #define ACPI_PCIVGA_OFFSET_HEX (*ssdt_pcivga_name - *ssdt_pcivga_start + 1) | |
698 | #define ACPI_PCIVGA_OFFSET_ADR (*ssdt_pcivga_adr - *ssdt_pcivga_start) | |
699 | #define ACPI_PCIVGA_SIZEOF (*ssdt_pcivga_end - *ssdt_pcivga_start) | |
700 | #define ACPI_PCIVGA_AML (ssdp_pcihp_aml + *ssdt_pcivga_start) | |
701 | ||
702 | #define ACPI_PCIQXL_OFFSET_HEX (*ssdt_pciqxl_name - *ssdt_pciqxl_start + 1) | |
703 | #define ACPI_PCIQXL_OFFSET_ADR (*ssdt_pciqxl_adr - *ssdt_pciqxl_start) | |
704 | #define ACPI_PCIQXL_SIZEOF (*ssdt_pciqxl_end - *ssdt_pciqxl_start) | |
705 | #define ACPI_PCIQXL_AML (ssdp_pcihp_aml + *ssdt_pciqxl_start) | |
706 | ||
bef3492d IM |
707 | #include "hw/i386/ssdt-mem.hex" |
708 | ||
709 | /* 0x5B 0x82 DeviceOp PkgLength NameString DimmID */ | |
710 | #define ACPI_MEM_OFFSET_HEX (*ssdt_mem_name - *ssdt_mem_start + 2) | |
711 | #define ACPI_MEM_OFFSET_ID (*ssdt_mem_id - *ssdt_mem_start + 7) | |
712 | #define ACPI_MEM_SIZEOF (*ssdt_mem_end - *ssdt_mem_start) | |
713 | #define ACPI_MEM_AML (ssdm_mem_aml + *ssdt_mem_start) | |
714 | ||
72c194f7 MT |
715 | #define ACPI_SSDT_SIGNATURE 0x54445353 /* SSDT */ |
716 | #define ACPI_SSDT_HEADER_LENGTH 36 | |
717 | ||
718 | #include "hw/i386/ssdt-misc.hex" | |
719 | #include "hw/i386/ssdt-pcihp.hex" | |
711b20b4 | 720 | #include "hw/i386/ssdt-tpm.hex" |
72c194f7 MT |
721 | |
722 | static void | |
99fd437d MT |
723 | build_append_notify_method(GArray *device, const char *name, |
724 | const char *format, int count) | |
72c194f7 MT |
725 | { |
726 | int i; | |
99fd437d | 727 | GArray *method = build_alloc_method(name, 2); |
72c194f7 | 728 | |
99fd437d | 729 | for (i = 0; i < count; i++) { |
72c194f7 MT |
730 | GArray *target = build_alloc_array(); |
731 | build_append_nameseg(target, format, i); | |
732 | assert(i < 256); /* Fits in 1 byte */ | |
99fd437d | 733 | build_append_notify_target_ifequal(method, target, i, 1); |
72c194f7 MT |
734 | build_free_array(target); |
735 | } | |
72c194f7 | 736 | |
99fd437d | 737 | build_append_and_cleanup_method(device, method); |
72c194f7 MT |
738 | } |
739 | ||
99fd437d | 740 | static void patch_pcihp(int slot, uint8_t *ssdt_ptr) |
72c194f7 | 741 | { |
99fd437d MT |
742 | unsigned devfn = PCI_DEVFN(slot, 0); |
743 | ||
744 | ssdt_ptr[ACPI_PCIHP_OFFSET_HEX] = acpi_get_hex(devfn >> 4); | |
745 | ssdt_ptr[ACPI_PCIHP_OFFSET_HEX + 1] = acpi_get_hex(devfn); | |
72c194f7 MT |
746 | ssdt_ptr[ACPI_PCIHP_OFFSET_ID] = slot; |
747 | ssdt_ptr[ACPI_PCIHP_OFFSET_ADR + 2] = slot; | |
99fd437d MT |
748 | } |
749 | ||
8dcf525a MT |
750 | static void patch_pcinohp(int slot, uint8_t *ssdt_ptr) |
751 | { | |
752 | unsigned devfn = PCI_DEVFN(slot, 0); | |
753 | ||
754 | ssdt_ptr[ACPI_PCINOHP_OFFSET_HEX] = acpi_get_hex(devfn >> 4); | |
755 | ssdt_ptr[ACPI_PCINOHP_OFFSET_HEX + 1] = acpi_get_hex(devfn); | |
756 | ssdt_ptr[ACPI_PCINOHP_OFFSET_ADR + 2] = slot; | |
757 | } | |
758 | ||
759 | static void patch_pcivga(int slot, uint8_t *ssdt_ptr) | |
760 | { | |
761 | unsigned devfn = PCI_DEVFN(slot, 0); | |
762 | ||
763 | ssdt_ptr[ACPI_PCIVGA_OFFSET_HEX] = acpi_get_hex(devfn >> 4); | |
764 | ssdt_ptr[ACPI_PCIVGA_OFFSET_HEX + 1] = acpi_get_hex(devfn); | |
765 | ssdt_ptr[ACPI_PCIVGA_OFFSET_ADR + 2] = slot; | |
766 | } | |
767 | ||
768 | static void patch_pciqxl(int slot, uint8_t *ssdt_ptr) | |
769 | { | |
770 | unsigned devfn = PCI_DEVFN(slot, 0); | |
771 | ||
772 | ssdt_ptr[ACPI_PCIQXL_OFFSET_HEX] = acpi_get_hex(devfn >> 4); | |
773 | ssdt_ptr[ACPI_PCIQXL_OFFSET_HEX + 1] = acpi_get_hex(devfn); | |
774 | ssdt_ptr[ACPI_PCIQXL_OFFSET_ADR + 2] = slot; | |
775 | } | |
776 | ||
99fd437d MT |
777 | /* Assign BSEL property to all buses. In the future, this can be changed |
778 | * to only assign to buses that support hotplug. | |
779 | */ | |
780 | static void *acpi_set_bsel(PCIBus *bus, void *opaque) | |
781 | { | |
782 | unsigned *bsel_alloc = opaque; | |
783 | unsigned *bus_bsel; | |
784 | ||
39b888bd | 785 | if (qbus_is_hotpluggable(BUS(bus))) { |
99fd437d MT |
786 | bus_bsel = g_malloc(sizeof *bus_bsel); |
787 | ||
788 | *bus_bsel = (*bsel_alloc)++; | |
789 | object_property_add_uint32_ptr(OBJECT(bus), ACPI_PCIHP_PROP_BSEL, | |
790 | bus_bsel, NULL); | |
791 | } | |
792 | ||
793 | return bsel_alloc; | |
794 | } | |
795 | ||
796 | static void acpi_set_pci_info(void) | |
797 | { | |
798 | PCIBus *bus = find_i440fx(); /* TODO: Q35 support */ | |
799 | unsigned bsel_alloc = 0; | |
800 | ||
801 | if (bus) { | |
802 | /* Scan all PCI buses. Set property to enable acpi based hotplug. */ | |
803 | pci_for_each_bus_depth_first(bus, acpi_set_bsel, NULL, &bsel_alloc); | |
804 | } | |
805 | } | |
806 | ||
807 | static void build_pci_bus_state_init(AcpiBuildPciBusHotplugState *state, | |
133a2da4 IM |
808 | AcpiBuildPciBusHotplugState *parent, |
809 | bool pcihp_bridge_en) | |
99fd437d MT |
810 | { |
811 | state->parent = parent; | |
812 | state->device_table = build_alloc_array(); | |
813 | state->notify_table = build_alloc_array(); | |
133a2da4 | 814 | state->pcihp_bridge_en = pcihp_bridge_en; |
99fd437d MT |
815 | } |
816 | ||
817 | static void build_pci_bus_state_cleanup(AcpiBuildPciBusHotplugState *state) | |
818 | { | |
819 | build_free_array(state->device_table); | |
820 | build_free_array(state->notify_table); | |
821 | } | |
822 | ||
823 | static void *build_pci_bus_begin(PCIBus *bus, void *parent_state) | |
824 | { | |
825 | AcpiBuildPciBusHotplugState *parent = parent_state; | |
826 | AcpiBuildPciBusHotplugState *child = g_malloc(sizeof *child); | |
827 | ||
133a2da4 | 828 | build_pci_bus_state_init(child, parent, parent->pcihp_bridge_en); |
99fd437d MT |
829 | |
830 | return child; | |
831 | } | |
832 | ||
833 | static void build_pci_bus_end(PCIBus *bus, void *bus_state) | |
834 | { | |
835 | AcpiBuildPciBusHotplugState *child = bus_state; | |
836 | AcpiBuildPciBusHotplugState *parent = child->parent; | |
837 | GArray *bus_table = build_alloc_array(); | |
838 | DECLARE_BITMAP(slot_hotplug_enable, PCI_SLOT_MAX); | |
8dcf525a MT |
839 | DECLARE_BITMAP(slot_device_present, PCI_SLOT_MAX); |
840 | DECLARE_BITMAP(slot_device_system, PCI_SLOT_MAX); | |
841 | DECLARE_BITMAP(slot_device_vga, PCI_SLOT_MAX); | |
842 | DECLARE_BITMAP(slot_device_qxl, PCI_SLOT_MAX); | |
99fd437d MT |
843 | uint8_t op; |
844 | int i; | |
845 | QObject *bsel; | |
846 | GArray *method; | |
847 | bool bus_hotplug_support = false; | |
848 | ||
133a2da4 | 849 | /* |
093a35e5 MT |
850 | * Skip bridge subtree creation if bridge hotplug is disabled |
851 | * to make acpi tables compatible with legacy machine types. | |
852 | */ | |
133a2da4 IM |
853 | if (!child->pcihp_bridge_en && bus->parent_dev) { |
854 | return; | |
855 | } | |
856 | ||
99fd437d MT |
857 | if (bus->parent_dev) { |
858 | op = 0x82; /* DeviceOp */ | |
859 | build_append_nameseg(bus_table, "S%.02X_", | |
860 | bus->parent_dev->devfn); | |
861 | build_append_byte(bus_table, 0x08); /* NameOp */ | |
862 | build_append_nameseg(bus_table, "_SUN"); | |
863 | build_append_value(bus_table, PCI_SLOT(bus->parent_dev->devfn), 1); | |
864 | build_append_byte(bus_table, 0x08); /* NameOp */ | |
865 | build_append_nameseg(bus_table, "_ADR"); | |
866 | build_append_value(bus_table, (PCI_SLOT(bus->parent_dev->devfn) << 16) | | |
867 | PCI_FUNC(bus->parent_dev->devfn), 4); | |
868 | } else { | |
869 | op = 0x10; /* ScopeOp */; | |
870 | build_append_nameseg(bus_table, "PCI0"); | |
871 | } | |
72c194f7 | 872 | |
99fd437d MT |
873 | bsel = object_property_get_qobject(OBJECT(bus), ACPI_PCIHP_PROP_BSEL, NULL); |
874 | if (bsel) { | |
875 | build_append_byte(bus_table, 0x08); /* NameOp */ | |
876 | build_append_nameseg(bus_table, "BSEL"); | |
877 | build_append_int(bus_table, qint_get_int(qobject_to_qint(bsel))); | |
99fd437d | 878 | memset(slot_hotplug_enable, 0xff, sizeof slot_hotplug_enable); |
8dcf525a MT |
879 | } else { |
880 | /* No bsel - no slots are hot-pluggable */ | |
881 | memset(slot_hotplug_enable, 0x00, sizeof slot_hotplug_enable); | |
882 | } | |
99fd437d | 883 | |
8dcf525a MT |
884 | memset(slot_device_present, 0x00, sizeof slot_device_present); |
885 | memset(slot_device_system, 0x00, sizeof slot_device_present); | |
886 | memset(slot_device_vga, 0x00, sizeof slot_device_vga); | |
887 | memset(slot_device_qxl, 0x00, sizeof slot_device_qxl); | |
99fd437d | 888 | |
8dcf525a MT |
889 | for (i = 0; i < ARRAY_SIZE(bus->devices); i += PCI_FUNC_MAX) { |
890 | DeviceClass *dc; | |
891 | PCIDeviceClass *pc; | |
892 | PCIDevice *pdev = bus->devices[i]; | |
893 | int slot = PCI_SLOT(i); | |
093a35e5 | 894 | bool bridge_in_acpi; |
99fd437d | 895 | |
8dcf525a MT |
896 | if (!pdev) { |
897 | continue; | |
898 | } | |
99fd437d | 899 | |
8dcf525a MT |
900 | set_bit(slot, slot_device_present); |
901 | pc = PCI_DEVICE_GET_CLASS(pdev); | |
902 | dc = DEVICE_GET_CLASS(pdev); | |
99fd437d | 903 | |
093a35e5 MT |
904 | /* When hotplug for bridges is enabled, bridges are |
905 | * described in ACPI separately (see build_pci_bus_end). | |
906 | * In this case they aren't themselves hot-pluggable. | |
907 | */ | |
908 | bridge_in_acpi = pc->is_bridge && child->pcihp_bridge_en; | |
909 | ||
910 | if (pc->class_id == PCI_CLASS_BRIDGE_ISA || bridge_in_acpi) { | |
8dcf525a | 911 | set_bit(slot, slot_device_system); |
99fd437d MT |
912 | } |
913 | ||
8dcf525a MT |
914 | if (pc->class_id == PCI_CLASS_DISPLAY_VGA) { |
915 | set_bit(slot, slot_device_vga); | |
916 | ||
917 | if (object_dynamic_cast(OBJECT(pdev), "qxl-vga")) { | |
918 | set_bit(slot, slot_device_qxl); | |
99fd437d MT |
919 | } |
920 | } | |
921 | ||
093a35e5 | 922 | if (!dc->hotpluggable || bridge_in_acpi) { |
8dcf525a MT |
923 | clear_bit(slot, slot_hotplug_enable); |
924 | } | |
925 | } | |
926 | ||
927 | /* Append Device object for each slot */ | |
928 | for (i = 0; i < PCI_SLOT_MAX; i++) { | |
929 | bool can_eject = test_bit(i, slot_hotplug_enable); | |
930 | bool present = test_bit(i, slot_device_present); | |
931 | bool vga = test_bit(i, slot_device_vga); | |
932 | bool qxl = test_bit(i, slot_device_qxl); | |
933 | bool system = test_bit(i, slot_device_system); | |
934 | if (can_eject) { | |
935 | void *pcihp = acpi_data_push(bus_table, | |
936 | ACPI_PCIHP_SIZEOF); | |
937 | memcpy(pcihp, ACPI_PCIHP_AML, ACPI_PCIHP_SIZEOF); | |
938 | patch_pcihp(i, pcihp); | |
939 | bus_hotplug_support = true; | |
940 | } else if (qxl) { | |
941 | void *pcihp = acpi_data_push(bus_table, | |
942 | ACPI_PCIQXL_SIZEOF); | |
943 | memcpy(pcihp, ACPI_PCIQXL_AML, ACPI_PCIQXL_SIZEOF); | |
944 | patch_pciqxl(i, pcihp); | |
945 | } else if (vga) { | |
946 | void *pcihp = acpi_data_push(bus_table, | |
947 | ACPI_PCIVGA_SIZEOF); | |
948 | memcpy(pcihp, ACPI_PCIVGA_AML, ACPI_PCIVGA_SIZEOF); | |
949 | patch_pcivga(i, pcihp); | |
950 | } else if (system) { | |
b89834f4 | 951 | /* Nothing to do: system devices are in DSDT or in SSDT above. */ |
8dcf525a MT |
952 | } else if (present) { |
953 | void *pcihp = acpi_data_push(bus_table, | |
954 | ACPI_PCINOHP_SIZEOF); | |
955 | memcpy(pcihp, ACPI_PCINOHP_AML, ACPI_PCINOHP_SIZEOF); | |
956 | patch_pcinohp(i, pcihp); | |
957 | } | |
958 | } | |
959 | ||
960 | if (bsel) { | |
99fd437d MT |
961 | method = build_alloc_method("DVNT", 2); |
962 | ||
963 | for (i = 0; i < PCI_SLOT_MAX; i++) { | |
964 | GArray *notify; | |
965 | uint8_t op; | |
966 | ||
967 | if (!test_bit(i, slot_hotplug_enable)) { | |
968 | continue; | |
969 | } | |
970 | ||
971 | notify = build_alloc_array(); | |
972 | op = 0xA0; /* IfOp */ | |
973 | ||
974 | build_append_byte(notify, 0x7B); /* AndOp */ | |
975 | build_append_byte(notify, 0x68); /* Arg0Op */ | |
d9631b90 | 976 | build_append_int(notify, 0x1U << i); |
99fd437d MT |
977 | build_append_byte(notify, 0x00); /* NullName */ |
978 | build_append_byte(notify, 0x86); /* NotifyOp */ | |
979 | build_append_nameseg(notify, "S%.02X_", PCI_DEVFN(i, 0)); | |
980 | build_append_byte(notify, 0x69); /* Arg1Op */ | |
981 | ||
982 | /* Pack it up */ | |
983 | build_package(notify, op, 0); | |
984 | ||
985 | build_append_array(method, notify); | |
986 | ||
987 | build_free_array(notify); | |
988 | } | |
989 | ||
990 | build_append_and_cleanup_method(bus_table, method); | |
991 | } | |
992 | ||
993 | /* Append PCNT method to notify about events on local and child buses. | |
994 | * Add unconditionally for root since DSDT expects it. | |
72c194f7 | 995 | */ |
99fd437d MT |
996 | if (bus_hotplug_support || child->notify_table->len || !bus->parent_dev) { |
997 | method = build_alloc_method("PCNT", 0); | |
998 | ||
999 | /* If bus supports hotplug select it and notify about local events */ | |
1000 | if (bsel) { | |
1001 | build_append_byte(method, 0x70); /* StoreOp */ | |
1002 | build_append_int(method, qint_get_int(qobject_to_qint(bsel))); | |
1003 | build_append_nameseg(method, "BNUM"); | |
1004 | build_append_nameseg(method, "DVNT"); | |
1005 | build_append_nameseg(method, "PCIU"); | |
1006 | build_append_int(method, 1); /* Device Check */ | |
1007 | build_append_nameseg(method, "DVNT"); | |
1008 | build_append_nameseg(method, "PCID"); | |
1009 | build_append_int(method, 3); /* Eject Request */ | |
1010 | } | |
1011 | ||
1012 | /* Notify about child bus events in any case */ | |
1013 | build_append_array(method, child->notify_table); | |
1014 | ||
1015 | build_append_and_cleanup_method(bus_table, method); | |
1016 | ||
1017 | /* Append description of child buses */ | |
1018 | build_append_array(bus_table, child->device_table); | |
1019 | ||
1020 | /* Pack it up */ | |
1021 | if (bus->parent_dev) { | |
1022 | build_extop_package(bus_table, op); | |
1023 | } else { | |
1024 | build_package(bus_table, op, 0); | |
1025 | } | |
72c194f7 | 1026 | |
99fd437d MT |
1027 | /* Append our bus description to parent table */ |
1028 | build_append_array(parent->device_table, bus_table); | |
1029 | ||
1030 | /* Also tell parent how to notify us, invoking PCNT method. | |
1031 | * At the moment this is not needed for root as we have a single root. | |
1032 | */ | |
1033 | if (bus->parent_dev) { | |
1034 | build_append_byte(parent->notify_table, '^'); /* ParentPrefixChar */ | |
1035 | build_append_byte(parent->notify_table, 0x2E); /* DualNamePrefix */ | |
1036 | build_append_nameseg(parent->notify_table, "S%.02X_", | |
1037 | bus->parent_dev->devfn); | |
1038 | build_append_nameseg(parent->notify_table, "PCNT"); | |
1039 | } | |
72c194f7 | 1040 | } |
99fd437d | 1041 | |
097a97a6 | 1042 | qobject_decref(bsel); |
99fd437d MT |
1043 | build_free_array(bus_table); |
1044 | build_pci_bus_state_cleanup(child); | |
1045 | g_free(child); | |
72c194f7 MT |
1046 | } |
1047 | ||
1048 | static void patch_pci_windows(PcPciInfo *pci, uint8_t *start, unsigned size) | |
1049 | { | |
b4e5a4bf | 1050 | ACPI_BUILD_SET_LE(start, size, acpi_pci32_start[0], 32, pci->w32.begin); |
72c194f7 | 1051 | |
b4e5a4bf | 1052 | ACPI_BUILD_SET_LE(start, size, acpi_pci32_end[0], 32, pci->w32.end - 1); |
72c194f7 MT |
1053 | |
1054 | if (pci->w64.end || pci->w64.begin) { | |
b4e5a4bf MT |
1055 | ACPI_BUILD_SET_LE(start, size, acpi_pci64_valid[0], 8, 1); |
1056 | ACPI_BUILD_SET_LE(start, size, acpi_pci64_start[0], 64, pci->w64.begin); | |
1057 | ACPI_BUILD_SET_LE(start, size, acpi_pci64_end[0], 64, pci->w64.end - 1); | |
1058 | ACPI_BUILD_SET_LE(start, size, acpi_pci64_length[0], 64, pci->w64.end - pci->w64.begin); | |
72c194f7 | 1059 | } else { |
b4e5a4bf | 1060 | ACPI_BUILD_SET_LE(start, size, acpi_pci64_valid[0], 8, 0); |
72c194f7 MT |
1061 | } |
1062 | } | |
1063 | ||
1064 | static void | |
1065 | build_ssdt(GArray *table_data, GArray *linker, | |
1066 | AcpiCpuInfo *cpu, AcpiPmInfo *pm, AcpiMiscInfo *misc, | |
1067 | PcPciInfo *pci, PcGuestInfo *guest_info) | |
1068 | { | |
bef3492d IM |
1069 | MachineState *machine = MACHINE(qdev_get_machine()); |
1070 | uint32_t nr_mem = machine->ram_slots; | |
2fd71f1b | 1071 | unsigned acpi_cpus = guest_info->apic_id_limit; |
72c194f7 MT |
1072 | int ssdt_start = table_data->len; |
1073 | uint8_t *ssdt_ptr; | |
1074 | int i; | |
1075 | ||
2fd71f1b LE |
1076 | /* The current AML generator can cover the APIC ID range [0..255], |
1077 | * inclusive, for VCPU hotplug. */ | |
1078 | QEMU_BUILD_BUG_ON(ACPI_CPU_HOTPLUG_ID_LIMIT > 256); | |
1079 | g_assert(acpi_cpus <= ACPI_CPU_HOTPLUG_ID_LIMIT); | |
1080 | ||
72c194f7 MT |
1081 | /* Copy header and patch values in the S3_ / S4_ / S5_ packages */ |
1082 | ssdt_ptr = acpi_data_push(table_data, sizeof(ssdp_misc_aml)); | |
1083 | memcpy(ssdt_ptr, ssdp_misc_aml, sizeof(ssdp_misc_aml)); | |
1084 | if (pm->s3_disabled) { | |
1085 | ssdt_ptr[acpi_s3_name[0]] = 'X'; | |
1086 | } | |
1087 | if (pm->s4_disabled) { | |
1088 | ssdt_ptr[acpi_s4_name[0]] = 'X'; | |
1089 | } else { | |
1090 | ssdt_ptr[acpi_s4_pkg[0] + 1] = ssdt_ptr[acpi_s4_pkg[0] + 3] = | |
1091 | pm->s4_val; | |
1092 | } | |
1093 | ||
1094 | patch_pci_windows(pci, ssdt_ptr, sizeof(ssdp_misc_aml)); | |
1095 | ||
eee822e3 MT |
1096 | ACPI_BUILD_SET_LE(ssdt_ptr, sizeof(ssdp_misc_aml), |
1097 | ssdt_isa_pest[0], 16, misc->pvpanic_port); | |
72c194f7 | 1098 | |
bef3492d IM |
1099 | ACPI_BUILD_SET_LE(ssdt_ptr, sizeof(ssdp_misc_aml), |
1100 | ssdt_mctrl_nr_slots[0], 32, nr_mem); | |
1101 | ||
72c194f7 MT |
1102 | { |
1103 | GArray *sb_scope = build_alloc_array(); | |
1104 | uint8_t op = 0x10; /* ScopeOp */ | |
1105 | ||
1106 | build_append_nameseg(sb_scope, "_SB_"); | |
1107 | ||
1108 | /* build Processor object for each processor */ | |
1109 | for (i = 0; i < acpi_cpus; i++) { | |
1110 | uint8_t *proc = acpi_data_push(sb_scope, ACPI_PROC_SIZEOF); | |
1111 | memcpy(proc, ACPI_PROC_AML, ACPI_PROC_SIZEOF); | |
1112 | proc[ACPI_PROC_OFFSET_CPUHEX] = acpi_get_hex(i >> 4); | |
1113 | proc[ACPI_PROC_OFFSET_CPUHEX+1] = acpi_get_hex(i); | |
1114 | proc[ACPI_PROC_OFFSET_CPUID1] = i; | |
1115 | proc[ACPI_PROC_OFFSET_CPUID2] = i; | |
1116 | } | |
1117 | ||
1118 | /* build this code: | |
1119 | * Method(NTFY, 2) {If (LEqual(Arg0, 0x00)) {Notify(CP00, Arg1)} ...} | |
1120 | */ | |
1121 | /* Arg0 = Processor ID = APIC ID */ | |
99fd437d | 1122 | build_append_notify_method(sb_scope, "NTFY", "CP%0.02X", acpi_cpus); |
72c194f7 MT |
1123 | |
1124 | /* build "Name(CPON, Package() { One, One, ..., Zero, Zero, ... })" */ | |
1125 | build_append_byte(sb_scope, 0x08); /* NameOp */ | |
1126 | build_append_nameseg(sb_scope, "CPON"); | |
1127 | ||
1128 | { | |
1129 | GArray *package = build_alloc_array(); | |
b4f4d548 MT |
1130 | uint8_t op; |
1131 | ||
1132 | /* | |
1133 | * Note: The ability to create variable-sized packages was first introduced in ACPI 2.0. ACPI 1.0 only | |
1134 | * allowed fixed-size packages with up to 255 elements. | |
1135 | * Windows guests up to win2k8 fail when VarPackageOp is used. | |
1136 | */ | |
1137 | if (acpi_cpus <= 255) { | |
1138 | op = 0x12; /* PackageOp */ | |
1139 | build_append_byte(package, acpi_cpus); /* NumElements */ | |
1140 | } else { | |
1141 | op = 0x13; /* VarPackageOp */ | |
1142 | build_append_int(package, acpi_cpus); /* VarNumElements */ | |
1143 | } | |
72c194f7 | 1144 | |
72c194f7 MT |
1145 | for (i = 0; i < acpi_cpus; i++) { |
1146 | uint8_t b = test_bit(i, cpu->found_cpus) ? 0x01 : 0x00; | |
1147 | build_append_byte(package, b); | |
1148 | } | |
1149 | ||
1150 | build_package(package, op, 2); | |
1151 | build_append_array(sb_scope, package); | |
1152 | build_free_array(package); | |
1153 | } | |
1154 | ||
bef3492d IM |
1155 | if (nr_mem) { |
1156 | assert(nr_mem <= ACPI_MAX_RAM_SLOTS); | |
1157 | /* build memory devices */ | |
1158 | for (i = 0; i < nr_mem; i++) { | |
1159 | char id[3]; | |
1160 | uint8_t *mem = acpi_data_push(sb_scope, ACPI_MEM_SIZEOF); | |
1161 | ||
1162 | snprintf(id, sizeof(id), "%02X", i); | |
1163 | memcpy(mem, ACPI_MEM_AML, ACPI_MEM_SIZEOF); | |
1164 | memcpy(mem + ACPI_MEM_OFFSET_HEX, id, 2); | |
1165 | memcpy(mem + ACPI_MEM_OFFSET_ID, id, 2); | |
1166 | } | |
1167 | ||
1168 | /* build Method(MEMORY_SLOT_NOTIFY_METHOD, 2) { | |
1169 | * If (LEqual(Arg0, 0x00)) {Notify(MP00, Arg1)} ... | |
1170 | */ | |
1171 | build_append_notify_method(sb_scope, | |
1172 | stringify(MEMORY_SLOT_NOTIFY_METHOD), | |
1173 | "MP%0.02X", nr_mem); | |
1174 | } | |
1175 | ||
72c194f7 | 1176 | { |
99fd437d | 1177 | AcpiBuildPciBusHotplugState hotplug_state; |
8dcf525a MT |
1178 | Object *pci_host; |
1179 | PCIBus *bus = NULL; | |
1180 | bool ambiguous; | |
1181 | ||
1182 | pci_host = object_resolve_path_type("", TYPE_PCI_HOST_BRIDGE, &ambiguous); | |
1183 | if (!ambiguous && pci_host) { | |
1184 | bus = PCI_HOST_BRIDGE(pci_host)->bus; | |
1185 | } | |
72c194f7 | 1186 | |
133a2da4 | 1187 | build_pci_bus_state_init(&hotplug_state, NULL, pm->pcihp_bridge_en); |
72c194f7 | 1188 | |
99fd437d MT |
1189 | if (bus) { |
1190 | /* Scan all PCI buses. Generate tables to support hotplug. */ | |
1191 | pci_for_each_bus_depth_first(bus, build_pci_bus_begin, | |
1192 | build_pci_bus_end, &hotplug_state); | |
72c194f7 MT |
1193 | } |
1194 | ||
99fd437d MT |
1195 | build_append_array(sb_scope, hotplug_state.device_table); |
1196 | build_pci_bus_state_cleanup(&hotplug_state); | |
72c194f7 MT |
1197 | } |
1198 | ||
1199 | build_package(sb_scope, op, 3); | |
1200 | build_append_array(table_data, sb_scope); | |
1201 | build_free_array(sb_scope); | |
1202 | } | |
1203 | ||
1204 | build_header(linker, table_data, | |
1205 | (void *)(table_data->data + ssdt_start), | |
821e3227 | 1206 | "SSDT", table_data->len - ssdt_start, 1); |
72c194f7 MT |
1207 | } |
1208 | ||
1209 | static void | |
1210 | build_hpet(GArray *table_data, GArray *linker) | |
1211 | { | |
1212 | Acpi20Hpet *hpet; | |
1213 | ||
1214 | hpet = acpi_data_push(table_data, sizeof(*hpet)); | |
1215 | /* Note timer_block_id value must be kept in sync with value advertised by | |
1216 | * emulated hpet | |
1217 | */ | |
1218 | hpet->timer_block_id = cpu_to_le32(0x8086a201); | |
1219 | hpet->addr.address = cpu_to_le64(HPET_BASE); | |
1220 | build_header(linker, table_data, | |
821e3227 | 1221 | (void *)hpet, "HPET", sizeof(*hpet), 1); |
72c194f7 MT |
1222 | } |
1223 | ||
711b20b4 | 1224 | static void |
42a5b308 | 1225 | build_tpm_tcpa(GArray *table_data, GArray *linker, GArray *tcpalog) |
711b20b4 SB |
1226 | { |
1227 | Acpi20Tcpa *tcpa = acpi_data_push(table_data, sizeof *tcpa); | |
42a5b308 | 1228 | uint64_t log_area_start_address = acpi_data_len(tcpalog); |
711b20b4 SB |
1229 | |
1230 | tcpa->platform_class = cpu_to_le16(TPM_TCPA_ACPI_CLASS_CLIENT); | |
1231 | tcpa->log_area_minimum_length = cpu_to_le32(TPM_LOG_AREA_MINIMUM_SIZE); | |
1232 | tcpa->log_area_start_address = cpu_to_le64(log_area_start_address); | |
1233 | ||
42a5b308 SB |
1234 | bios_linker_loader_alloc(linker, ACPI_BUILD_TPMLOG_FILE, 1, |
1235 | false /* high memory */); | |
1236 | ||
711b20b4 SB |
1237 | /* log area start address to be filled by Guest linker */ |
1238 | bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE, | |
42a5b308 | 1239 | ACPI_BUILD_TPMLOG_FILE, |
711b20b4 SB |
1240 | table_data, &tcpa->log_area_start_address, |
1241 | sizeof(tcpa->log_area_start_address)); | |
1242 | ||
1243 | build_header(linker, table_data, | |
1244 | (void *)tcpa, "TCPA", sizeof(*tcpa), 2); | |
1245 | ||
42a5b308 | 1246 | acpi_data_push(tcpalog, TPM_LOG_AREA_MINIMUM_SIZE); |
711b20b4 SB |
1247 | } |
1248 | ||
1249 | static void | |
1250 | build_tpm_ssdt(GArray *table_data, GArray *linker) | |
1251 | { | |
1252 | void *tpm_ptr; | |
1253 | ||
1254 | tpm_ptr = acpi_data_push(table_data, sizeof(ssdt_tpm_aml)); | |
1255 | memcpy(tpm_ptr, ssdt_tpm_aml, sizeof(ssdt_tpm_aml)); | |
1256 | } | |
1257 | ||
04ed3ea8 IM |
1258 | typedef enum { |
1259 | MEM_AFFINITY_NOFLAGS = 0, | |
1260 | MEM_AFFINITY_ENABLED = (1 << 0), | |
1261 | MEM_AFFINITY_HOTPLUGGABLE = (1 << 1), | |
1262 | MEM_AFFINITY_NON_VOLATILE = (1 << 2), | |
1263 | } MemoryAffinityFlags; | |
1264 | ||
72c194f7 | 1265 | static void |
04ed3ea8 IM |
1266 | acpi_build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base, |
1267 | uint64_t len, int node, MemoryAffinityFlags flags) | |
72c194f7 MT |
1268 | { |
1269 | numamem->type = ACPI_SRAT_MEMORY; | |
1270 | numamem->length = sizeof(*numamem); | |
1271 | memset(numamem->proximity, 0, 4); | |
1272 | numamem->proximity[0] = node; | |
04ed3ea8 | 1273 | numamem->flags = cpu_to_le32(flags); |
72c194f7 MT |
1274 | numamem->base_addr = cpu_to_le64(base); |
1275 | numamem->range_length = cpu_to_le64(len); | |
1276 | } | |
1277 | ||
1278 | static void | |
dd0247e0 | 1279 | build_srat(GArray *table_data, GArray *linker, PcGuestInfo *guest_info) |
72c194f7 MT |
1280 | { |
1281 | AcpiSystemResourceAffinityTable *srat; | |
1282 | AcpiSratProcessorAffinity *core; | |
1283 | AcpiSratMemoryAffinity *numamem; | |
1284 | ||
1285 | int i; | |
1286 | uint64_t curnode; | |
1287 | int srat_start, numa_start, slots; | |
1288 | uint64_t mem_len, mem_base, next_base; | |
cec65193 IM |
1289 | PCMachineState *pcms = PC_MACHINE(qdev_get_machine()); |
1290 | ram_addr_t hotplugabble_address_space_size = | |
1291 | object_property_get_int(OBJECT(pcms), PC_MACHINE_MEMHP_REGION_SIZE, | |
1292 | NULL); | |
72c194f7 MT |
1293 | |
1294 | srat_start = table_data->len; | |
1295 | ||
1296 | srat = acpi_data_push(table_data, sizeof *srat); | |
1297 | srat->reserved1 = cpu_to_le32(1); | |
1298 | core = (void *)(srat + 1); | |
1299 | ||
1300 | for (i = 0; i < guest_info->apic_id_limit; ++i) { | |
1301 | core = acpi_data_push(table_data, sizeof *core); | |
1302 | core->type = ACPI_SRAT_PROCESSOR; | |
1303 | core->length = sizeof(*core); | |
1304 | core->local_apic_id = i; | |
1305 | curnode = guest_info->node_cpu[i]; | |
1306 | core->proximity_lo = curnode; | |
1307 | memset(core->proximity_hi, 0, 3); | |
1308 | core->local_sapic_eid = 0; | |
dd0247e0 | 1309 | core->flags = cpu_to_le32(1); |
72c194f7 MT |
1310 | } |
1311 | ||
1312 | ||
1313 | /* the memory map is a bit tricky, it contains at least one hole | |
1314 | * from 640k-1M and possibly another one from 3.5G-4G. | |
1315 | */ | |
1316 | next_base = 0; | |
1317 | numa_start = table_data->len; | |
1318 | ||
1319 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
04ed3ea8 | 1320 | acpi_build_srat_memory(numamem, 0, 640*1024, 0, MEM_AFFINITY_ENABLED); |
72c194f7 MT |
1321 | next_base = 1024 * 1024; |
1322 | for (i = 1; i < guest_info->numa_nodes + 1; ++i) { | |
1323 | mem_base = next_base; | |
1324 | mem_len = guest_info->node_mem[i - 1]; | |
1325 | if (i == 1) { | |
1326 | mem_len -= 1024 * 1024; | |
1327 | } | |
1328 | next_base = mem_base + mem_len; | |
1329 | ||
1330 | /* Cut out the ACPI_PCI hole */ | |
4c8a949b EH |
1331 | if (mem_base <= guest_info->ram_size_below_4g && |
1332 | next_base > guest_info->ram_size_below_4g) { | |
1333 | mem_len -= next_base - guest_info->ram_size_below_4g; | |
72c194f7 MT |
1334 | if (mem_len > 0) { |
1335 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
04ed3ea8 IM |
1336 | acpi_build_srat_memory(numamem, mem_base, mem_len, i - 1, |
1337 | MEM_AFFINITY_ENABLED); | |
72c194f7 MT |
1338 | } |
1339 | mem_base = 1ULL << 32; | |
4c8a949b EH |
1340 | mem_len = next_base - guest_info->ram_size_below_4g; |
1341 | next_base += (1ULL << 32) - guest_info->ram_size_below_4g; | |
72c194f7 MT |
1342 | } |
1343 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
04ed3ea8 IM |
1344 | acpi_build_srat_memory(numamem, mem_base, mem_len, i - 1, |
1345 | MEM_AFFINITY_ENABLED); | |
72c194f7 MT |
1346 | } |
1347 | slots = (table_data->len - numa_start) / sizeof *numamem; | |
1348 | for (; slots < guest_info->numa_nodes + 2; slots++) { | |
1349 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
04ed3ea8 | 1350 | acpi_build_srat_memory(numamem, 0, 0, 0, MEM_AFFINITY_NOFLAGS); |
72c194f7 MT |
1351 | } |
1352 | ||
cec65193 IM |
1353 | /* |
1354 | * Entry is required for Windows to enable memory hotplug in OS. | |
1355 | * Memory devices may override proximity set by this entry, | |
1356 | * providing _PXM method if necessary. | |
1357 | */ | |
1358 | if (hotplugabble_address_space_size) { | |
1359 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
1360 | acpi_build_srat_memory(numamem, pcms->hotplug_memory_base, | |
1361 | hotplugabble_address_space_size, 0, | |
1362 | MEM_AFFINITY_HOTPLUGGABLE | | |
1363 | MEM_AFFINITY_ENABLED); | |
1364 | } | |
1365 | ||
72c194f7 MT |
1366 | build_header(linker, table_data, |
1367 | (void *)(table_data->data + srat_start), | |
821e3227 | 1368 | "SRAT", |
72c194f7 MT |
1369 | table_data->len - srat_start, 1); |
1370 | } | |
1371 | ||
1372 | static void | |
1373 | build_mcfg_q35(GArray *table_data, GArray *linker, AcpiMcfgInfo *info) | |
1374 | { | |
1375 | AcpiTableMcfg *mcfg; | |
821e3227 | 1376 | const char *sig; |
72c194f7 MT |
1377 | int len = sizeof(*mcfg) + 1 * sizeof(mcfg->allocation[0]); |
1378 | ||
1379 | mcfg = acpi_data_push(table_data, len); | |
1380 | mcfg->allocation[0].address = cpu_to_le64(info->mcfg_base); | |
1381 | /* Only a single allocation so no need to play with segments */ | |
1382 | mcfg->allocation[0].pci_segment = cpu_to_le16(0); | |
1383 | mcfg->allocation[0].start_bus_number = 0; | |
1384 | mcfg->allocation[0].end_bus_number = PCIE_MMCFG_BUS(info->mcfg_size - 1); | |
1385 | ||
1386 | /* MCFG is used for ECAM which can be enabled or disabled by guest. | |
1387 | * To avoid table size changes (which create migration issues), | |
1388 | * always create the table even if there are no allocations, | |
1389 | * but set the signature to a reserved value in this case. | |
1390 | * ACPI spec requires OSPMs to ignore such tables. | |
1391 | */ | |
1392 | if (info->mcfg_base == PCIE_BASE_ADDR_UNMAPPED) { | |
821e3227 MT |
1393 | /* Reserved signature: ignored by OSPM */ |
1394 | sig = "QEMU"; | |
72c194f7 | 1395 | } else { |
821e3227 | 1396 | sig = "MCFG"; |
72c194f7 MT |
1397 | } |
1398 | build_header(linker, table_data, (void *)mcfg, sig, len, 1); | |
1399 | } | |
1400 | ||
d4eb9119 LT |
1401 | static void |
1402 | build_dmar_q35(GArray *table_data, GArray *linker) | |
1403 | { | |
1404 | int dmar_start = table_data->len; | |
1405 | ||
1406 | AcpiTableDmar *dmar; | |
1407 | AcpiDmarHardwareUnit *drhd; | |
1408 | ||
1409 | dmar = acpi_data_push(table_data, sizeof(*dmar)); | |
1410 | dmar->host_address_width = VTD_HOST_ADDRESS_WIDTH - 1; | |
1411 | dmar->flags = 0; /* No intr_remap for now */ | |
1412 | ||
1413 | /* DMAR Remapping Hardware Unit Definition structure */ | |
1414 | drhd = acpi_data_push(table_data, sizeof(*drhd)); | |
1415 | drhd->type = cpu_to_le16(ACPI_DMAR_TYPE_HARDWARE_UNIT); | |
1416 | drhd->length = cpu_to_le16(sizeof(*drhd)); /* No device scope now */ | |
1417 | drhd->flags = ACPI_DMAR_INCLUDE_PCI_ALL; | |
1418 | drhd->pci_segment = cpu_to_le16(0); | |
1419 | drhd->address = cpu_to_le64(Q35_HOST_BRIDGE_IOMMU_ADDR); | |
1420 | ||
1421 | build_header(linker, table_data, (void *)(table_data->data + dmar_start), | |
1422 | "DMAR", table_data->len - dmar_start, 1); | |
1423 | } | |
1424 | ||
72c194f7 MT |
1425 | static void |
1426 | build_dsdt(GArray *table_data, GArray *linker, AcpiMiscInfo *misc) | |
1427 | { | |
53db092a MT |
1428 | AcpiTableHeader *dsdt; |
1429 | ||
72c194f7 | 1430 | assert(misc->dsdt_code && misc->dsdt_size); |
53db092a | 1431 | |
72c194f7 MT |
1432 | dsdt = acpi_data_push(table_data, misc->dsdt_size); |
1433 | memcpy(dsdt, misc->dsdt_code, misc->dsdt_size); | |
53db092a MT |
1434 | |
1435 | memset(dsdt, 0, sizeof *dsdt); | |
821e3227 | 1436 | build_header(linker, table_data, dsdt, "DSDT", |
53db092a | 1437 | misc->dsdt_size, 1); |
72c194f7 MT |
1438 | } |
1439 | ||
1440 | /* Build final rsdt table */ | |
1441 | static void | |
1442 | build_rsdt(GArray *table_data, GArray *linker, GArray *table_offsets) | |
1443 | { | |
1444 | AcpiRsdtDescriptorRev1 *rsdt; | |
1445 | size_t rsdt_len; | |
1446 | int i; | |
1447 | ||
1448 | rsdt_len = sizeof(*rsdt) + sizeof(uint32_t) * table_offsets->len; | |
1449 | rsdt = acpi_data_push(table_data, rsdt_len); | |
1450 | memcpy(rsdt->table_offset_entry, table_offsets->data, | |
1451 | sizeof(uint32_t) * table_offsets->len); | |
1452 | for (i = 0; i < table_offsets->len; ++i) { | |
1453 | /* rsdt->table_offset_entry to be filled by Guest linker */ | |
1454 | bios_linker_loader_add_pointer(linker, | |
1455 | ACPI_BUILD_TABLE_FILE, | |
1456 | ACPI_BUILD_TABLE_FILE, | |
1457 | table_data, &rsdt->table_offset_entry[i], | |
1458 | sizeof(uint32_t)); | |
1459 | } | |
1460 | build_header(linker, table_data, | |
821e3227 | 1461 | (void *)rsdt, "RSDT", rsdt_len, 1); |
72c194f7 MT |
1462 | } |
1463 | ||
1464 | static GArray * | |
1465 | build_rsdp(GArray *rsdp_table, GArray *linker, unsigned rsdt) | |
1466 | { | |
1467 | AcpiRsdpDescriptor *rsdp = acpi_data_push(rsdp_table, sizeof *rsdp); | |
1468 | ||
d67aadcc | 1469 | bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, 16, |
72c194f7 MT |
1470 | true /* fseg memory */); |
1471 | ||
821e3227 | 1472 | memcpy(&rsdp->signature, "RSD PTR ", 8); |
72c194f7 MT |
1473 | memcpy(rsdp->oem_id, ACPI_BUILD_APPNAME6, 6); |
1474 | rsdp->rsdt_physical_address = cpu_to_le32(rsdt); | |
1475 | /* Address to be filled by Guest linker */ | |
1476 | bios_linker_loader_add_pointer(linker, ACPI_BUILD_RSDP_FILE, | |
1477 | ACPI_BUILD_TABLE_FILE, | |
1478 | rsdp_table, &rsdp->rsdt_physical_address, | |
1479 | sizeof rsdp->rsdt_physical_address); | |
1480 | rsdp->checksum = 0; | |
1481 | /* Checksum to be filled by Guest linker */ | |
1482 | bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, | |
1483 | rsdp, rsdp, sizeof *rsdp, &rsdp->checksum); | |
1484 | ||
1485 | return rsdp_table; | |
1486 | } | |
1487 | ||
1488 | typedef | |
1489 | struct AcpiBuildTables { | |
1490 | GArray *table_data; | |
1491 | GArray *rsdp; | |
42a5b308 | 1492 | GArray *tcpalog; |
72c194f7 MT |
1493 | GArray *linker; |
1494 | } AcpiBuildTables; | |
1495 | ||
1496 | static inline void acpi_build_tables_init(AcpiBuildTables *tables) | |
1497 | { | |
1498 | tables->rsdp = g_array_new(false, true /* clear */, 1); | |
1499 | tables->table_data = g_array_new(false, true /* clear */, 1); | |
42a5b308 | 1500 | tables->tcpalog = g_array_new(false, true /* clear */, 1); |
72c194f7 MT |
1501 | tables->linker = bios_linker_loader_init(); |
1502 | } | |
1503 | ||
1504 | static inline void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre) | |
1505 | { | |
1506 | void *linker_data = bios_linker_loader_cleanup(tables->linker); | |
ac369a77 | 1507 | g_free(linker_data); |
72c194f7 | 1508 | g_array_free(tables->rsdp, mfre); |
ac369a77 | 1509 | g_array_free(tables->table_data, true); |
42a5b308 | 1510 | g_array_free(tables->tcpalog, mfre); |
72c194f7 MT |
1511 | } |
1512 | ||
1513 | typedef | |
1514 | struct AcpiBuildState { | |
1515 | /* Copy of table in RAM (for patching). */ | |
ad5b88b1 | 1516 | ram_addr_t table_ram; |
72c194f7 MT |
1517 | uint32_t table_size; |
1518 | /* Is table patched? */ | |
1519 | uint8_t patched; | |
1520 | PcGuestInfo *guest_info; | |
1521 | } AcpiBuildState; | |
1522 | ||
1523 | static bool acpi_get_mcfg(AcpiMcfgInfo *mcfg) | |
1524 | { | |
1525 | Object *pci_host; | |
1526 | QObject *o; | |
1527 | bool ambiguous; | |
1528 | ||
1529 | pci_host = object_resolve_path_type("", TYPE_PCI_HOST_BRIDGE, &ambiguous); | |
1530 | g_assert(!ambiguous); | |
1531 | g_assert(pci_host); | |
1532 | ||
1533 | o = object_property_get_qobject(pci_host, PCIE_HOST_MCFG_BASE, NULL); | |
1534 | if (!o) { | |
1535 | return false; | |
1536 | } | |
1537 | mcfg->mcfg_base = qint_get_int(qobject_to_qint(o)); | |
097a97a6 | 1538 | qobject_decref(o); |
72c194f7 MT |
1539 | |
1540 | o = object_property_get_qobject(pci_host, PCIE_HOST_MCFG_SIZE, NULL); | |
1541 | assert(o); | |
1542 | mcfg->mcfg_size = qint_get_int(qobject_to_qint(o)); | |
097a97a6 | 1543 | qobject_decref(o); |
72c194f7 MT |
1544 | return true; |
1545 | } | |
1546 | ||
d4eb9119 LT |
1547 | static bool acpi_has_iommu(void) |
1548 | { | |
1549 | bool ambiguous; | |
1550 | Object *intel_iommu; | |
1551 | ||
1552 | intel_iommu = object_resolve_path_type("", TYPE_INTEL_IOMMU_DEVICE, | |
1553 | &ambiguous); | |
1554 | return intel_iommu && !ambiguous; | |
1555 | } | |
1556 | ||
72c194f7 MT |
1557 | static |
1558 | void acpi_build(PcGuestInfo *guest_info, AcpiBuildTables *tables) | |
1559 | { | |
1560 | GArray *table_offsets; | |
07fb6176 | 1561 | unsigned facs, ssdt, dsdt, rsdt; |
72c194f7 MT |
1562 | AcpiCpuInfo cpu; |
1563 | AcpiPmInfo pm; | |
1564 | AcpiMiscInfo misc; | |
1565 | AcpiMcfgInfo mcfg; | |
1566 | PcPciInfo pci; | |
1567 | uint8_t *u; | |
07fb6176 | 1568 | size_t aml_len = 0; |
72c194f7 MT |
1569 | |
1570 | acpi_get_cpu_info(&cpu); | |
1571 | acpi_get_pm_info(&pm); | |
1572 | acpi_get_dsdt(&misc); | |
72c194f7 MT |
1573 | acpi_get_misc_info(&misc); |
1574 | acpi_get_pci_info(&pci); | |
1575 | ||
1576 | table_offsets = g_array_new(false, true /* clear */, | |
1577 | sizeof(uint32_t)); | |
8b310fc4 | 1578 | ACPI_BUILD_DPRINTF("init ACPI tables\n"); |
72c194f7 MT |
1579 | |
1580 | bios_linker_loader_alloc(tables->linker, ACPI_BUILD_TABLE_FILE, | |
1581 | 64 /* Ensure FACS is aligned */, | |
1582 | false /* high memory */); | |
1583 | ||
1584 | /* | |
1585 | * FACS is pointed to by FADT. | |
1586 | * We place it first since it's the only table that has alignment | |
1587 | * requirements. | |
1588 | */ | |
1589 | facs = tables->table_data->len; | |
1590 | build_facs(tables->table_data, tables->linker, guest_info); | |
1591 | ||
1592 | /* DSDT is pointed to by FADT */ | |
1593 | dsdt = tables->table_data->len; | |
1594 | build_dsdt(tables->table_data, tables->linker, &misc); | |
1595 | ||
07fb6176 PB |
1596 | /* Count the size of the DSDT and SSDT, we will need it for legacy |
1597 | * sizing of ACPI tables. | |
1598 | */ | |
1599 | aml_len += tables->table_data->len - dsdt; | |
1600 | ||
72c194f7 MT |
1601 | /* ACPI tables pointed to by RSDT */ |
1602 | acpi_add_table(table_offsets, tables->table_data); | |
1603 | build_fadt(tables->table_data, tables->linker, &pm, facs, dsdt); | |
72c194f7 | 1604 | |
07fb6176 | 1605 | ssdt = tables->table_data->len; |
9ac1c4c0 | 1606 | acpi_add_table(table_offsets, tables->table_data); |
72c194f7 MT |
1607 | build_ssdt(tables->table_data, tables->linker, &cpu, &pm, &misc, &pci, |
1608 | guest_info); | |
07fb6176 | 1609 | aml_len += tables->table_data->len - ssdt; |
72c194f7 | 1610 | |
72c194f7 | 1611 | acpi_add_table(table_offsets, tables->table_data); |
9ac1c4c0 MT |
1612 | build_madt(tables->table_data, tables->linker, &cpu, guest_info); |
1613 | ||
72c194f7 | 1614 | if (misc.has_hpet) { |
9ac1c4c0 | 1615 | acpi_add_table(table_offsets, tables->table_data); |
72c194f7 | 1616 | build_hpet(tables->table_data, tables->linker); |
711b20b4 SB |
1617 | } |
1618 | if (misc.has_tpm) { | |
1619 | acpi_add_table(table_offsets, tables->table_data); | |
42a5b308 | 1620 | build_tpm_tcpa(tables->table_data, tables->linker, tables->tcpalog); |
711b20b4 SB |
1621 | |
1622 | acpi_add_table(table_offsets, tables->table_data); | |
1623 | build_tpm_ssdt(tables->table_data, tables->linker); | |
72c194f7 MT |
1624 | } |
1625 | if (guest_info->numa_nodes) { | |
1626 | acpi_add_table(table_offsets, tables->table_data); | |
dd0247e0 | 1627 | build_srat(tables->table_data, tables->linker, guest_info); |
72c194f7 MT |
1628 | } |
1629 | if (acpi_get_mcfg(&mcfg)) { | |
1630 | acpi_add_table(table_offsets, tables->table_data); | |
1631 | build_mcfg_q35(tables->table_data, tables->linker, &mcfg); | |
1632 | } | |
d4eb9119 LT |
1633 | if (acpi_has_iommu()) { |
1634 | acpi_add_table(table_offsets, tables->table_data); | |
1635 | build_dmar_q35(tables->table_data, tables->linker); | |
1636 | } | |
72c194f7 MT |
1637 | |
1638 | /* Add tables supplied by user (if any) */ | |
1639 | for (u = acpi_table_first(); u; u = acpi_table_next(u)) { | |
1640 | unsigned len = acpi_table_len(u); | |
1641 | ||
1642 | acpi_add_table(table_offsets, tables->table_data); | |
1643 | g_array_append_vals(tables->table_data, u, len); | |
1644 | } | |
1645 | ||
1646 | /* RSDT is pointed to by RSDP */ | |
1647 | rsdt = tables->table_data->len; | |
1648 | build_rsdt(tables->table_data, tables->linker, table_offsets); | |
1649 | ||
1650 | /* RSDP is in FSEG memory, so allocate it separately */ | |
1651 | build_rsdp(tables->rsdp, tables->linker, rsdt); | |
1652 | ||
07fb6176 | 1653 | /* We'll expose it all to Guest so we want to reduce |
72c194f7 MT |
1654 | * chance of size changes. |
1655 | * RSDP is small so it's easy to keep it immutable, no need to | |
1656 | * bother with alignment. | |
07fb6176 PB |
1657 | * |
1658 | * We used to align the tables to 4k, but of course this would | |
1659 | * too simple to be enough. 4k turned out to be too small an | |
1660 | * alignment very soon, and in fact it is almost impossible to | |
1661 | * keep the table size stable for all (max_cpus, max_memory_slots) | |
1662 | * combinations. So the table size is always 64k for pc-i440fx-2.1 | |
1663 | * and we give an error if the table grows beyond that limit. | |
1664 | * | |
1665 | * We still have the problem of migrating from "-M pc-i440fx-2.0". For | |
1666 | * that, we exploit the fact that QEMU 2.1 generates _smaller_ tables | |
1667 | * than 2.0 and we can always pad the smaller tables with zeros. We can | |
1668 | * then use the exact size of the 2.0 tables. | |
1669 | * | |
1670 | * All this is for PIIX4, since QEMU 2.0 didn't support Q35 migration. | |
72c194f7 | 1671 | */ |
07fb6176 PB |
1672 | if (guest_info->legacy_acpi_table_size) { |
1673 | /* Subtracting aml_len gives the size of fixed tables. Then add the | |
1674 | * size of the PIIX4 DSDT/SSDT in QEMU 2.0. | |
1675 | */ | |
1676 | int legacy_aml_len = | |
1677 | guest_info->legacy_acpi_table_size + | |
1678 | ACPI_BUILD_LEGACY_CPU_AML_SIZE * max_cpus; | |
1679 | int legacy_table_size = | |
1680 | ROUND_UP(tables->table_data->len - aml_len + legacy_aml_len, | |
1681 | ACPI_BUILD_ALIGN_SIZE); | |
1682 | if (tables->table_data->len > legacy_table_size) { | |
1683 | /* Should happen only with PCI bridges and -M pc-i440fx-2.0. */ | |
868270f2 | 1684 | error_report("Warning: migration may not work."); |
07fb6176 PB |
1685 | } |
1686 | g_array_set_size(tables->table_data, legacy_table_size); | |
1687 | } else { | |
868270f2 MT |
1688 | /* Make sure we have a buffer in case we need to resize the tables. */ |
1689 | if (tables->table_data->len > ACPI_BUILD_TABLE_SIZE / 2) { | |
18045fb9 | 1690 | /* As of QEMU 2.1, this fires with 160 VCPUs and 255 memory slots. */ |
868270f2 MT |
1691 | error_report("Warning: ACPI tables are larger than 64k."); |
1692 | error_report("Warning: migration may not work."); | |
1693 | error_report("Warning: please remove CPUs, NUMA nodes, " | |
1694 | "memory slots or PCI bridges."); | |
18045fb9 | 1695 | } |
868270f2 | 1696 | acpi_align_size(tables->table_data, ACPI_BUILD_TABLE_SIZE); |
07fb6176 | 1697 | } |
72c194f7 | 1698 | |
07fb6176 | 1699 | acpi_align_size(tables->linker, ACPI_BUILD_ALIGN_SIZE); |
72c194f7 MT |
1700 | |
1701 | /* Cleanup memory that's no longer used. */ | |
1702 | g_array_free(table_offsets, true); | |
1703 | } | |
1704 | ||
1705 | static void acpi_build_update(void *build_opaque, uint32_t offset) | |
1706 | { | |
1707 | AcpiBuildState *build_state = build_opaque; | |
1708 | AcpiBuildTables tables; | |
1709 | ||
1710 | /* No state to update or already patched? Nothing to do. */ | |
1711 | if (!build_state || build_state->patched) { | |
1712 | return; | |
1713 | } | |
1714 | build_state->patched = 1; | |
1715 | ||
1716 | acpi_build_tables_init(&tables); | |
1717 | ||
1718 | acpi_build(build_state->guest_info, &tables); | |
1719 | ||
1720 | assert(acpi_data_len(tables.table_data) == build_state->table_size); | |
ad5b88b1 | 1721 | memcpy(qemu_get_ram_ptr(build_state->table_ram), tables.table_data->data, |
72c194f7 MT |
1722 | build_state->table_size); |
1723 | ||
ad5b88b1 MT |
1724 | cpu_physical_memory_set_dirty_range_nocode(build_state->table_ram, |
1725 | build_state->table_size); | |
1726 | ||
72c194f7 MT |
1727 | acpi_build_tables_cleanup(&tables, true); |
1728 | } | |
1729 | ||
1730 | static void acpi_build_reset(void *build_opaque) | |
1731 | { | |
1732 | AcpiBuildState *build_state = build_opaque; | |
1733 | build_state->patched = 0; | |
1734 | } | |
1735 | ||
ad5b88b1 | 1736 | static ram_addr_t acpi_add_rom_blob(AcpiBuildState *build_state, GArray *blob, |
72c194f7 MT |
1737 | const char *name) |
1738 | { | |
1739 | return rom_add_blob(name, blob->data, acpi_data_len(blob), -1, name, | |
1740 | acpi_build_update, build_state); | |
1741 | } | |
1742 | ||
1743 | static const VMStateDescription vmstate_acpi_build = { | |
1744 | .name = "acpi_build", | |
1745 | .version_id = 1, | |
1746 | .minimum_version_id = 1, | |
d49805ae | 1747 | .fields = (VMStateField[]) { |
72c194f7 MT |
1748 | VMSTATE_UINT8(patched, AcpiBuildState), |
1749 | VMSTATE_END_OF_LIST() | |
1750 | }, | |
1751 | }; | |
1752 | ||
1753 | void acpi_setup(PcGuestInfo *guest_info) | |
1754 | { | |
1755 | AcpiBuildTables tables; | |
1756 | AcpiBuildState *build_state; | |
1757 | ||
1758 | if (!guest_info->fw_cfg) { | |
8b310fc4 | 1759 | ACPI_BUILD_DPRINTF("No fw cfg. Bailing out.\n"); |
72c194f7 MT |
1760 | return; |
1761 | } | |
1762 | ||
1763 | if (!guest_info->has_acpi_build) { | |
8b310fc4 | 1764 | ACPI_BUILD_DPRINTF("ACPI build disabled. Bailing out.\n"); |
72c194f7 MT |
1765 | return; |
1766 | } | |
1767 | ||
81adc513 | 1768 | if (!acpi_enabled) { |
8b310fc4 | 1769 | ACPI_BUILD_DPRINTF("ACPI disabled. Bailing out.\n"); |
81adc513 MT |
1770 | return; |
1771 | } | |
1772 | ||
72c194f7 MT |
1773 | build_state = g_malloc0(sizeof *build_state); |
1774 | ||
1775 | build_state->guest_info = guest_info; | |
1776 | ||
99fd437d MT |
1777 | acpi_set_pci_info(); |
1778 | ||
72c194f7 MT |
1779 | acpi_build_tables_init(&tables); |
1780 | acpi_build(build_state->guest_info, &tables); | |
1781 | ||
1782 | /* Now expose it all to Guest */ | |
1783 | build_state->table_ram = acpi_add_rom_blob(build_state, tables.table_data, | |
1784 | ACPI_BUILD_TABLE_FILE); | |
ad5b88b1 | 1785 | assert(build_state->table_ram != RAM_ADDR_MAX); |
72c194f7 MT |
1786 | build_state->table_size = acpi_data_len(tables.table_data); |
1787 | ||
1788 | acpi_add_rom_blob(NULL, tables.linker, "etc/table-loader"); | |
1789 | ||
42a5b308 SB |
1790 | fw_cfg_add_file(guest_info->fw_cfg, ACPI_BUILD_TPMLOG_FILE, |
1791 | tables.tcpalog->data, acpi_data_len(tables.tcpalog)); | |
1792 | ||
72c194f7 MT |
1793 | /* |
1794 | * RSDP is small so it's easy to keep it immutable, no need to | |
1795 | * bother with ROM blobs. | |
1796 | */ | |
1797 | fw_cfg_add_file(guest_info->fw_cfg, ACPI_BUILD_RSDP_FILE, | |
1798 | tables.rsdp->data, acpi_data_len(tables.rsdp)); | |
1799 | ||
1800 | qemu_register_reset(acpi_build_reset, build_state); | |
1801 | acpi_build_reset(build_state); | |
1802 | vmstate_register(NULL, 0, &vmstate_acpi_build, build_state); | |
1803 | ||
1804 | /* Cleanup tables but don't free the memory: we track it | |
1805 | * in build_state. | |
1806 | */ | |
1807 | acpi_build_tables_cleanup(&tables, false); | |
1808 | } |