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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 "qemu/osdep.h" | |
24 | #include "qapi/error.h" | |
25 | #include "acpi-build.h" | |
26 | #include "qemu-common.h" | |
27 | #include "qemu/bitmap.h" | |
28 | #include "qemu/error-report.h" | |
29 | #include "hw/pci/pci.h" | |
30 | #include "qom/cpu.h" | |
31 | #include "hw/i386/pc.h" | |
32 | #include "target-i386/cpu.h" | |
33 | #include "hw/timer/hpet.h" | |
34 | #include "hw/acpi/acpi-defs.h" | |
35 | #include "hw/acpi/acpi.h" | |
36 | #include "hw/acpi/cpu.h" | |
37 | #include "hw/nvram/fw_cfg.h" | |
38 | #include "hw/acpi/bios-linker-loader.h" | |
39 | #include "hw/loader.h" | |
40 | #include "hw/isa/isa.h" | |
41 | #include "hw/block/fdc.h" | |
42 | #include "hw/acpi/memory_hotplug.h" | |
43 | #include "sysemu/tpm.h" | |
44 | #include "hw/acpi/tpm.h" | |
45 | #include "sysemu/tpm_backend.h" | |
46 | #include "hw/timer/mc146818rtc_regs.h" | |
47 | #include "sysemu/numa.h" | |
48 | ||
49 | /* Supported chipsets: */ | |
50 | #include "hw/acpi/piix4.h" | |
51 | #include "hw/acpi/pcihp.h" | |
52 | #include "hw/i386/ich9.h" | |
53 | #include "hw/pci/pci_bus.h" | |
54 | #include "hw/pci-host/q35.h" | |
55 | #include "hw/i386/x86-iommu.h" | |
56 | #include "hw/timer/hpet.h" | |
57 | ||
58 | #include "hw/acpi/aml-build.h" | |
59 | ||
60 | #include "qapi/qmp/qint.h" | |
61 | #include "qom/qom-qobject.h" | |
62 | #include "hw/i386/amd_iommu.h" | |
63 | #include "hw/i386/intel_iommu.h" | |
64 | ||
65 | #include "hw/acpi/ipmi.h" | |
66 | ||
67 | /* These are used to size the ACPI tables for -M pc-i440fx-1.7 and | |
68 | * -M pc-i440fx-2.0. Even if the actual amount of AML generated grows | |
69 | * a little bit, there should be plenty of free space since the DSDT | |
70 | * shrunk by ~1.5k between QEMU 2.0 and QEMU 2.1. | |
71 | */ | |
72 | #define ACPI_BUILD_LEGACY_CPU_AML_SIZE 97 | |
73 | #define ACPI_BUILD_ALIGN_SIZE 0x1000 | |
74 | ||
75 | #define ACPI_BUILD_TABLE_SIZE 0x20000 | |
76 | ||
77 | /* #define DEBUG_ACPI_BUILD */ | |
78 | #ifdef DEBUG_ACPI_BUILD | |
79 | #define ACPI_BUILD_DPRINTF(fmt, ...) \ | |
80 | do {printf("ACPI_BUILD: " fmt, ## __VA_ARGS__); } while (0) | |
81 | #else | |
82 | #define ACPI_BUILD_DPRINTF(fmt, ...) | |
83 | #endif | |
84 | ||
85 | /* Default IOAPIC ID */ | |
86 | #define ACPI_BUILD_IOAPIC_ID 0x0 | |
87 | ||
88 | typedef struct AcpiMcfgInfo { | |
89 | uint64_t mcfg_base; | |
90 | uint32_t mcfg_size; | |
91 | } AcpiMcfgInfo; | |
92 | ||
93 | typedef struct AcpiPmInfo { | |
94 | bool s3_disabled; | |
95 | bool s4_disabled; | |
96 | bool pcihp_bridge_en; | |
97 | uint8_t s4_val; | |
98 | uint16_t sci_int; | |
99 | uint8_t acpi_enable_cmd; | |
100 | uint8_t acpi_disable_cmd; | |
101 | uint32_t gpe0_blk; | |
102 | uint32_t gpe0_blk_len; | |
103 | uint32_t io_base; | |
104 | uint16_t cpu_hp_io_base; | |
105 | uint16_t mem_hp_io_base; | |
106 | uint16_t mem_hp_io_len; | |
107 | uint16_t pcihp_io_base; | |
108 | uint16_t pcihp_io_len; | |
109 | } AcpiPmInfo; | |
110 | ||
111 | typedef struct AcpiMiscInfo { | |
112 | bool is_piix4; | |
113 | bool has_hpet; | |
114 | TPMVersion tpm_version; | |
115 | const unsigned char *dsdt_code; | |
116 | unsigned dsdt_size; | |
117 | uint16_t pvpanic_port; | |
118 | uint16_t applesmc_io_base; | |
119 | } AcpiMiscInfo; | |
120 | ||
121 | typedef struct AcpiBuildPciBusHotplugState { | |
122 | GArray *device_table; | |
123 | GArray *notify_table; | |
124 | struct AcpiBuildPciBusHotplugState *parent; | |
125 | bool pcihp_bridge_en; | |
126 | } AcpiBuildPciBusHotplugState; | |
127 | ||
128 | static void acpi_get_pm_info(AcpiPmInfo *pm) | |
129 | { | |
130 | Object *piix = piix4_pm_find(); | |
131 | Object *lpc = ich9_lpc_find(); | |
132 | Object *obj = NULL; | |
133 | QObject *o; | |
134 | ||
135 | pm->cpu_hp_io_base = 0; | |
136 | pm->pcihp_io_base = 0; | |
137 | pm->pcihp_io_len = 0; | |
138 | if (piix) { | |
139 | obj = piix; | |
140 | pm->cpu_hp_io_base = PIIX4_CPU_HOTPLUG_IO_BASE; | |
141 | pm->pcihp_io_base = | |
142 | object_property_get_int(obj, ACPI_PCIHP_IO_BASE_PROP, NULL); | |
143 | pm->pcihp_io_len = | |
144 | object_property_get_int(obj, ACPI_PCIHP_IO_LEN_PROP, NULL); | |
145 | } | |
146 | if (lpc) { | |
147 | obj = lpc; | |
148 | pm->cpu_hp_io_base = ICH9_CPU_HOTPLUG_IO_BASE; | |
149 | } | |
150 | assert(obj); | |
151 | ||
152 | pm->mem_hp_io_base = ACPI_MEMORY_HOTPLUG_BASE; | |
153 | pm->mem_hp_io_len = ACPI_MEMORY_HOTPLUG_IO_LEN; | |
154 | ||
155 | /* Fill in optional s3/s4 related properties */ | |
156 | o = object_property_get_qobject(obj, ACPI_PM_PROP_S3_DISABLED, NULL); | |
157 | if (o) { | |
158 | pm->s3_disabled = qint_get_int(qobject_to_qint(o)); | |
159 | } else { | |
160 | pm->s3_disabled = false; | |
161 | } | |
162 | qobject_decref(o); | |
163 | o = object_property_get_qobject(obj, ACPI_PM_PROP_S4_DISABLED, NULL); | |
164 | if (o) { | |
165 | pm->s4_disabled = qint_get_int(qobject_to_qint(o)); | |
166 | } else { | |
167 | pm->s4_disabled = false; | |
168 | } | |
169 | qobject_decref(o); | |
170 | o = object_property_get_qobject(obj, ACPI_PM_PROP_S4_VAL, NULL); | |
171 | if (o) { | |
172 | pm->s4_val = qint_get_int(qobject_to_qint(o)); | |
173 | } else { | |
174 | pm->s4_val = false; | |
175 | } | |
176 | qobject_decref(o); | |
177 | ||
178 | /* Fill in mandatory properties */ | |
179 | pm->sci_int = object_property_get_int(obj, ACPI_PM_PROP_SCI_INT, NULL); | |
180 | ||
181 | pm->acpi_enable_cmd = object_property_get_int(obj, | |
182 | ACPI_PM_PROP_ACPI_ENABLE_CMD, | |
183 | NULL); | |
184 | pm->acpi_disable_cmd = object_property_get_int(obj, | |
185 | ACPI_PM_PROP_ACPI_DISABLE_CMD, | |
186 | NULL); | |
187 | pm->io_base = object_property_get_int(obj, ACPI_PM_PROP_PM_IO_BASE, | |
188 | NULL); | |
189 | pm->gpe0_blk = object_property_get_int(obj, ACPI_PM_PROP_GPE0_BLK, | |
190 | NULL); | |
191 | pm->gpe0_blk_len = object_property_get_int(obj, ACPI_PM_PROP_GPE0_BLK_LEN, | |
192 | NULL); | |
193 | pm->pcihp_bridge_en = | |
194 | object_property_get_bool(obj, "acpi-pci-hotplug-with-bridge-support", | |
195 | NULL); | |
196 | } | |
197 | ||
198 | static void acpi_get_misc_info(AcpiMiscInfo *info) | |
199 | { | |
200 | Object *piix = piix4_pm_find(); | |
201 | Object *lpc = ich9_lpc_find(); | |
202 | assert(!!piix != !!lpc); | |
203 | ||
204 | if (piix) { | |
205 | info->is_piix4 = true; | |
206 | } | |
207 | if (lpc) { | |
208 | info->is_piix4 = false; | |
209 | } | |
210 | ||
211 | info->has_hpet = hpet_find(); | |
212 | info->tpm_version = tpm_get_version(); | |
213 | info->pvpanic_port = pvpanic_port(); | |
214 | info->applesmc_io_base = applesmc_port(); | |
215 | } | |
216 | ||
217 | /* | |
218 | * Because of the PXB hosts we cannot simply query TYPE_PCI_HOST_BRIDGE. | |
219 | * On i386 arch we only have two pci hosts, so we can look only for them. | |
220 | */ | |
221 | static Object *acpi_get_i386_pci_host(void) | |
222 | { | |
223 | PCIHostState *host; | |
224 | ||
225 | host = OBJECT_CHECK(PCIHostState, | |
226 | object_resolve_path("/machine/i440fx", NULL), | |
227 | TYPE_PCI_HOST_BRIDGE); | |
228 | if (!host) { | |
229 | host = OBJECT_CHECK(PCIHostState, | |
230 | object_resolve_path("/machine/q35", NULL), | |
231 | TYPE_PCI_HOST_BRIDGE); | |
232 | } | |
233 | ||
234 | return OBJECT(host); | |
235 | } | |
236 | ||
237 | static void acpi_get_pci_holes(Range *hole, Range *hole64) | |
238 | { | |
239 | Object *pci_host; | |
240 | ||
241 | pci_host = acpi_get_i386_pci_host(); | |
242 | g_assert(pci_host); | |
243 | ||
244 | range_set_bounds1(hole, | |
245 | object_property_get_int(pci_host, | |
246 | PCI_HOST_PROP_PCI_HOLE_START, | |
247 | NULL), | |
248 | object_property_get_int(pci_host, | |
249 | PCI_HOST_PROP_PCI_HOLE_END, | |
250 | NULL)); | |
251 | range_set_bounds1(hole64, | |
252 | object_property_get_int(pci_host, | |
253 | PCI_HOST_PROP_PCI_HOLE64_START, | |
254 | NULL), | |
255 | object_property_get_int(pci_host, | |
256 | PCI_HOST_PROP_PCI_HOLE64_END, | |
257 | NULL)); | |
258 | } | |
259 | ||
260 | #define ACPI_PORT_SMI_CMD 0x00b2 /* TODO: this is APM_CNT_IOPORT */ | |
261 | ||
262 | static void acpi_align_size(GArray *blob, unsigned align) | |
263 | { | |
264 | /* Align size to multiple of given size. This reduces the chance | |
265 | * we need to change size in the future (breaking cross version migration). | |
266 | */ | |
267 | g_array_set_size(blob, ROUND_UP(acpi_data_len(blob), align)); | |
268 | } | |
269 | ||
270 | /* FACS */ | |
271 | static void | |
272 | build_facs(GArray *table_data, BIOSLinker *linker) | |
273 | { | |
274 | AcpiFacsDescriptorRev1 *facs = acpi_data_push(table_data, sizeof *facs); | |
275 | memcpy(&facs->signature, "FACS", 4); | |
276 | facs->length = cpu_to_le32(sizeof(*facs)); | |
277 | } | |
278 | ||
279 | /* Load chipset information in FADT */ | |
280 | static void fadt_setup(AcpiFadtDescriptorRev1 *fadt, AcpiPmInfo *pm) | |
281 | { | |
282 | fadt->model = 1; | |
283 | fadt->reserved1 = 0; | |
284 | fadt->sci_int = cpu_to_le16(pm->sci_int); | |
285 | fadt->smi_cmd = cpu_to_le32(ACPI_PORT_SMI_CMD); | |
286 | fadt->acpi_enable = pm->acpi_enable_cmd; | |
287 | fadt->acpi_disable = pm->acpi_disable_cmd; | |
288 | /* EVT, CNT, TMR offset matches hw/acpi/core.c */ | |
289 | fadt->pm1a_evt_blk = cpu_to_le32(pm->io_base); | |
290 | fadt->pm1a_cnt_blk = cpu_to_le32(pm->io_base + 0x04); | |
291 | fadt->pm_tmr_blk = cpu_to_le32(pm->io_base + 0x08); | |
292 | fadt->gpe0_blk = cpu_to_le32(pm->gpe0_blk); | |
293 | /* EVT, CNT, TMR length matches hw/acpi/core.c */ | |
294 | fadt->pm1_evt_len = 4; | |
295 | fadt->pm1_cnt_len = 2; | |
296 | fadt->pm_tmr_len = 4; | |
297 | fadt->gpe0_blk_len = pm->gpe0_blk_len; | |
298 | fadt->plvl2_lat = cpu_to_le16(0xfff); /* C2 state not supported */ | |
299 | fadt->plvl3_lat = cpu_to_le16(0xfff); /* C3 state not supported */ | |
300 | fadt->flags = cpu_to_le32((1 << ACPI_FADT_F_WBINVD) | | |
301 | (1 << ACPI_FADT_F_PROC_C1) | | |
302 | (1 << ACPI_FADT_F_SLP_BUTTON) | | |
303 | (1 << ACPI_FADT_F_RTC_S4)); | |
304 | fadt->flags |= cpu_to_le32(1 << ACPI_FADT_F_USE_PLATFORM_CLOCK); | |
305 | /* APIC destination mode ("Flat Logical") has an upper limit of 8 CPUs | |
306 | * For more than 8 CPUs, "Clustered Logical" mode has to be used | |
307 | */ | |
308 | if (max_cpus > 8) { | |
309 | fadt->flags |= cpu_to_le32(1 << ACPI_FADT_F_FORCE_APIC_CLUSTER_MODEL); | |
310 | } | |
311 | fadt->century = RTC_CENTURY; | |
312 | } | |
313 | ||
314 | ||
315 | /* FADT */ | |
316 | static void | |
317 | build_fadt(GArray *table_data, BIOSLinker *linker, AcpiPmInfo *pm, | |
318 | unsigned facs_tbl_offset, unsigned dsdt_tbl_offset, | |
319 | const char *oem_id, const char *oem_table_id) | |
320 | { | |
321 | AcpiFadtDescriptorRev1 *fadt = acpi_data_push(table_data, sizeof(*fadt)); | |
322 | unsigned fw_ctrl_offset = (char *)&fadt->firmware_ctrl - table_data->data; | |
323 | unsigned dsdt_entry_offset = (char *)&fadt->dsdt - table_data->data; | |
324 | ||
325 | /* FACS address to be filled by Guest linker */ | |
326 | bios_linker_loader_add_pointer(linker, | |
327 | ACPI_BUILD_TABLE_FILE, fw_ctrl_offset, sizeof(fadt->firmware_ctrl), | |
328 | ACPI_BUILD_TABLE_FILE, facs_tbl_offset); | |
329 | ||
330 | /* DSDT address to be filled by Guest linker */ | |
331 | fadt_setup(fadt, pm); | |
332 | bios_linker_loader_add_pointer(linker, | |
333 | ACPI_BUILD_TABLE_FILE, dsdt_entry_offset, sizeof(fadt->dsdt), | |
334 | ACPI_BUILD_TABLE_FILE, dsdt_tbl_offset); | |
335 | ||
336 | build_header(linker, table_data, | |
337 | (void *)fadt, "FACP", sizeof(*fadt), 1, oem_id, oem_table_id); | |
338 | } | |
339 | ||
340 | void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid, | |
341 | CPUArchIdList *apic_ids, GArray *entry) | |
342 | { | |
343 | int apic_id; | |
344 | AcpiMadtProcessorApic *apic = acpi_data_push(entry, sizeof *apic); | |
345 | ||
346 | apic_id = apic_ids->cpus[uid].arch_id; | |
347 | apic->type = ACPI_APIC_PROCESSOR; | |
348 | apic->length = sizeof(*apic); | |
349 | apic->processor_id = uid; | |
350 | apic->local_apic_id = apic_id; | |
351 | if (apic_ids->cpus[uid].cpu != NULL) { | |
352 | apic->flags = cpu_to_le32(1); | |
353 | } else { | |
354 | /* ACPI spec says that LAPIC entry for non present | |
355 | * CPU may be omitted from MADT or it must be marked | |
356 | * as disabled. However omitting non present CPU from | |
357 | * MADT breaks hotplug on linux. So possible CPUs | |
358 | * should be put in MADT but kept disabled. | |
359 | */ | |
360 | apic->flags = cpu_to_le32(0); | |
361 | } | |
362 | } | |
363 | ||
364 | static void | |
365 | build_madt(GArray *table_data, BIOSLinker *linker, PCMachineState *pcms) | |
366 | { | |
367 | MachineClass *mc = MACHINE_GET_CLASS(pcms); | |
368 | CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(MACHINE(pcms)); | |
369 | int madt_start = table_data->len; | |
370 | AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_GET_CLASS(pcms->acpi_dev); | |
371 | AcpiDeviceIf *adev = ACPI_DEVICE_IF(pcms->acpi_dev); | |
372 | ||
373 | AcpiMultipleApicTable *madt; | |
374 | AcpiMadtIoApic *io_apic; | |
375 | AcpiMadtIntsrcovr *intsrcovr; | |
376 | AcpiMadtLocalNmi *local_nmi; | |
377 | int i; | |
378 | ||
379 | madt = acpi_data_push(table_data, sizeof *madt); | |
380 | madt->local_apic_address = cpu_to_le32(APIC_DEFAULT_ADDRESS); | |
381 | madt->flags = cpu_to_le32(1); | |
382 | ||
383 | for (i = 0; i < apic_ids->len; i++) { | |
384 | adevc->madt_cpu(adev, i, apic_ids, table_data); | |
385 | } | |
386 | g_free(apic_ids); | |
387 | ||
388 | io_apic = acpi_data_push(table_data, sizeof *io_apic); | |
389 | io_apic->type = ACPI_APIC_IO; | |
390 | io_apic->length = sizeof(*io_apic); | |
391 | io_apic->io_apic_id = ACPI_BUILD_IOAPIC_ID; | |
392 | io_apic->address = cpu_to_le32(IO_APIC_DEFAULT_ADDRESS); | |
393 | io_apic->interrupt = cpu_to_le32(0); | |
394 | ||
395 | if (pcms->apic_xrupt_override) { | |
396 | intsrcovr = acpi_data_push(table_data, sizeof *intsrcovr); | |
397 | intsrcovr->type = ACPI_APIC_XRUPT_OVERRIDE; | |
398 | intsrcovr->length = sizeof(*intsrcovr); | |
399 | intsrcovr->source = 0; | |
400 | intsrcovr->gsi = cpu_to_le32(2); | |
401 | intsrcovr->flags = cpu_to_le16(0); /* conforms to bus specifications */ | |
402 | } | |
403 | for (i = 1; i < 16; i++) { | |
404 | #define ACPI_BUILD_PCI_IRQS ((1<<5) | (1<<9) | (1<<10) | (1<<11)) | |
405 | if (!(ACPI_BUILD_PCI_IRQS & (1 << i))) { | |
406 | /* No need for a INT source override structure. */ | |
407 | continue; | |
408 | } | |
409 | intsrcovr = acpi_data_push(table_data, sizeof *intsrcovr); | |
410 | intsrcovr->type = ACPI_APIC_XRUPT_OVERRIDE; | |
411 | intsrcovr->length = sizeof(*intsrcovr); | |
412 | intsrcovr->source = i; | |
413 | intsrcovr->gsi = cpu_to_le32(i); | |
414 | intsrcovr->flags = cpu_to_le16(0xd); /* active high, level triggered */ | |
415 | } | |
416 | ||
417 | local_nmi = acpi_data_push(table_data, sizeof *local_nmi); | |
418 | local_nmi->type = ACPI_APIC_LOCAL_NMI; | |
419 | local_nmi->length = sizeof(*local_nmi); | |
420 | local_nmi->processor_id = 0xff; /* all processors */ | |
421 | local_nmi->flags = cpu_to_le16(0); | |
422 | local_nmi->lint = 1; /* ACPI_LINT1 */ | |
423 | ||
424 | build_header(linker, table_data, | |
425 | (void *)(table_data->data + madt_start), "APIC", | |
426 | table_data->len - madt_start, 1, NULL, NULL); | |
427 | } | |
428 | ||
429 | /* Assign BSEL property to all buses. In the future, this can be changed | |
430 | * to only assign to buses that support hotplug. | |
431 | */ | |
432 | static void *acpi_set_bsel(PCIBus *bus, void *opaque) | |
433 | { | |
434 | unsigned *bsel_alloc = opaque; | |
435 | unsigned *bus_bsel; | |
436 | ||
437 | if (qbus_is_hotpluggable(BUS(bus))) { | |
438 | bus_bsel = g_malloc(sizeof *bus_bsel); | |
439 | ||
440 | *bus_bsel = (*bsel_alloc)++; | |
441 | object_property_add_uint32_ptr(OBJECT(bus), ACPI_PCIHP_PROP_BSEL, | |
442 | bus_bsel, NULL); | |
443 | } | |
444 | ||
445 | return bsel_alloc; | |
446 | } | |
447 | ||
448 | static void acpi_set_pci_info(void) | |
449 | { | |
450 | PCIBus *bus = find_i440fx(); /* TODO: Q35 support */ | |
451 | unsigned bsel_alloc = 0; | |
452 | ||
453 | if (bus) { | |
454 | /* Scan all PCI buses. Set property to enable acpi based hotplug. */ | |
455 | pci_for_each_bus_depth_first(bus, acpi_set_bsel, NULL, &bsel_alloc); | |
456 | } | |
457 | } | |
458 | ||
459 | static void build_append_pcihp_notify_entry(Aml *method, int slot) | |
460 | { | |
461 | Aml *if_ctx; | |
462 | int32_t devfn = PCI_DEVFN(slot, 0); | |
463 | ||
464 | if_ctx = aml_if(aml_and(aml_arg(0), aml_int(0x1U << slot), NULL)); | |
465 | aml_append(if_ctx, aml_notify(aml_name("S%.02X", devfn), aml_arg(1))); | |
466 | aml_append(method, if_ctx); | |
467 | } | |
468 | ||
469 | static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, | |
470 | bool pcihp_bridge_en) | |
471 | { | |
472 | Aml *dev, *notify_method, *method; | |
473 | QObject *bsel; | |
474 | PCIBus *sec; | |
475 | int i; | |
476 | ||
477 | bsel = object_property_get_qobject(OBJECT(bus), ACPI_PCIHP_PROP_BSEL, NULL); | |
478 | if (bsel) { | |
479 | int64_t bsel_val = qint_get_int(qobject_to_qint(bsel)); | |
480 | ||
481 | aml_append(parent_scope, aml_name_decl("BSEL", aml_int(bsel_val))); | |
482 | notify_method = aml_method("DVNT", 2, AML_NOTSERIALIZED); | |
483 | } | |
484 | ||
485 | for (i = 0; i < ARRAY_SIZE(bus->devices); i += PCI_FUNC_MAX) { | |
486 | DeviceClass *dc; | |
487 | PCIDeviceClass *pc; | |
488 | PCIDevice *pdev = bus->devices[i]; | |
489 | int slot = PCI_SLOT(i); | |
490 | bool hotplug_enabled_dev; | |
491 | bool bridge_in_acpi; | |
492 | ||
493 | if (!pdev) { | |
494 | if (bsel) { /* add hotplug slots for non present devices */ | |
495 | dev = aml_device("S%.02X", PCI_DEVFN(slot, 0)); | |
496 | aml_append(dev, aml_name_decl("_SUN", aml_int(slot))); | |
497 | aml_append(dev, aml_name_decl("_ADR", aml_int(slot << 16))); | |
498 | method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); | |
499 | aml_append(method, | |
500 | aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN")) | |
501 | ); | |
502 | aml_append(dev, method); | |
503 | aml_append(parent_scope, dev); | |
504 | ||
505 | build_append_pcihp_notify_entry(notify_method, slot); | |
506 | } | |
507 | continue; | |
508 | } | |
509 | ||
510 | pc = PCI_DEVICE_GET_CLASS(pdev); | |
511 | dc = DEVICE_GET_CLASS(pdev); | |
512 | ||
513 | /* When hotplug for bridges is enabled, bridges are | |
514 | * described in ACPI separately (see build_pci_bus_end). | |
515 | * In this case they aren't themselves hot-pluggable. | |
516 | * Hotplugged bridges *are* hot-pluggable. | |
517 | */ | |
518 | bridge_in_acpi = pc->is_bridge && pcihp_bridge_en && | |
519 | !DEVICE(pdev)->hotplugged; | |
520 | ||
521 | hotplug_enabled_dev = bsel && dc->hotpluggable && !bridge_in_acpi; | |
522 | ||
523 | if (pc->class_id == PCI_CLASS_BRIDGE_ISA) { | |
524 | continue; | |
525 | } | |
526 | ||
527 | /* start to compose PCI slot descriptor */ | |
528 | dev = aml_device("S%.02X", PCI_DEVFN(slot, 0)); | |
529 | aml_append(dev, aml_name_decl("_ADR", aml_int(slot << 16))); | |
530 | ||
531 | if (pc->class_id == PCI_CLASS_DISPLAY_VGA) { | |
532 | /* add VGA specific AML methods */ | |
533 | int s3d; | |
534 | ||
535 | if (object_dynamic_cast(OBJECT(pdev), "qxl-vga")) { | |
536 | s3d = 3; | |
537 | } else { | |
538 | s3d = 0; | |
539 | } | |
540 | ||
541 | method = aml_method("_S1D", 0, AML_NOTSERIALIZED); | |
542 | aml_append(method, aml_return(aml_int(0))); | |
543 | aml_append(dev, method); | |
544 | ||
545 | method = aml_method("_S2D", 0, AML_NOTSERIALIZED); | |
546 | aml_append(method, aml_return(aml_int(0))); | |
547 | aml_append(dev, method); | |
548 | ||
549 | method = aml_method("_S3D", 0, AML_NOTSERIALIZED); | |
550 | aml_append(method, aml_return(aml_int(s3d))); | |
551 | aml_append(dev, method); | |
552 | } else if (hotplug_enabled_dev) { | |
553 | /* add _SUN/_EJ0 to make slot hotpluggable */ | |
554 | aml_append(dev, aml_name_decl("_SUN", aml_int(slot))); | |
555 | ||
556 | method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); | |
557 | aml_append(method, | |
558 | aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN")) | |
559 | ); | |
560 | aml_append(dev, method); | |
561 | ||
562 | if (bsel) { | |
563 | build_append_pcihp_notify_entry(notify_method, slot); | |
564 | } | |
565 | } else if (bridge_in_acpi) { | |
566 | /* | |
567 | * device is coldplugged bridge, | |
568 | * add child device descriptions into its scope | |
569 | */ | |
570 | PCIBus *sec_bus = pci_bridge_get_sec_bus(PCI_BRIDGE(pdev)); | |
571 | ||
572 | build_append_pci_bus_devices(dev, sec_bus, pcihp_bridge_en); | |
573 | } | |
574 | /* slot descriptor has been composed, add it into parent context */ | |
575 | aml_append(parent_scope, dev); | |
576 | } | |
577 | ||
578 | if (bsel) { | |
579 | aml_append(parent_scope, notify_method); | |
580 | } | |
581 | ||
582 | /* Append PCNT method to notify about events on local and child buses. | |
583 | * Add unconditionally for root since DSDT expects it. | |
584 | */ | |
585 | method = aml_method("PCNT", 0, AML_NOTSERIALIZED); | |
586 | ||
587 | /* If bus supports hotplug select it and notify about local events */ | |
588 | if (bsel) { | |
589 | int64_t bsel_val = qint_get_int(qobject_to_qint(bsel)); | |
590 | aml_append(method, aml_store(aml_int(bsel_val), aml_name("BNUM"))); | |
591 | aml_append(method, | |
592 | aml_call2("DVNT", aml_name("PCIU"), aml_int(1) /* Device Check */) | |
593 | ); | |
594 | aml_append(method, | |
595 | aml_call2("DVNT", aml_name("PCID"), aml_int(3)/* Eject Request */) | |
596 | ); | |
597 | } | |
598 | ||
599 | /* Notify about child bus events in any case */ | |
600 | if (pcihp_bridge_en) { | |
601 | QLIST_FOREACH(sec, &bus->child, sibling) { | |
602 | int32_t devfn = sec->parent_dev->devfn; | |
603 | ||
604 | if (pci_bus_is_root(sec) || pci_bus_is_express(sec)) { | |
605 | continue; | |
606 | } | |
607 | ||
608 | aml_append(method, aml_name("^S%.02X.PCNT", devfn)); | |
609 | } | |
610 | } | |
611 | aml_append(parent_scope, method); | |
612 | qobject_decref(bsel); | |
613 | } | |
614 | ||
615 | /** | |
616 | * build_prt_entry: | |
617 | * @link_name: link name for PCI route entry | |
618 | * | |
619 | * build AML package containing a PCI route entry for @link_name | |
620 | */ | |
621 | static Aml *build_prt_entry(const char *link_name) | |
622 | { | |
623 | Aml *a_zero = aml_int(0); | |
624 | Aml *pkg = aml_package(4); | |
625 | aml_append(pkg, a_zero); | |
626 | aml_append(pkg, a_zero); | |
627 | aml_append(pkg, aml_name("%s", link_name)); | |
628 | aml_append(pkg, a_zero); | |
629 | return pkg; | |
630 | } | |
631 | ||
632 | /* | |
633 | * initialize_route - Initialize the interrupt routing rule | |
634 | * through a specific LINK: | |
635 | * if (lnk_idx == idx) | |
636 | * route using link 'link_name' | |
637 | */ | |
638 | static Aml *initialize_route(Aml *route, const char *link_name, | |
639 | Aml *lnk_idx, int idx) | |
640 | { | |
641 | Aml *if_ctx = aml_if(aml_equal(lnk_idx, aml_int(idx))); | |
642 | Aml *pkg = build_prt_entry(link_name); | |
643 | ||
644 | aml_append(if_ctx, aml_store(pkg, route)); | |
645 | ||
646 | return if_ctx; | |
647 | } | |
648 | ||
649 | /* | |
650 | * build_prt - Define interrupt rounting rules | |
651 | * | |
652 | * Returns an array of 128 routes, one for each device, | |
653 | * based on device location. | |
654 | * The main goal is to equaly distribute the interrupts | |
655 | * over the 4 existing ACPI links (works only for i440fx). | |
656 | * The hash function is (slot + pin) & 3 -> "LNK[D|A|B|C]". | |
657 | * | |
658 | */ | |
659 | static Aml *build_prt(bool is_pci0_prt) | |
660 | { | |
661 | Aml *method, *while_ctx, *pin, *res; | |
662 | ||
663 | method = aml_method("_PRT", 0, AML_NOTSERIALIZED); | |
664 | res = aml_local(0); | |
665 | pin = aml_local(1); | |
666 | aml_append(method, aml_store(aml_package(128), res)); | |
667 | aml_append(method, aml_store(aml_int(0), pin)); | |
668 | ||
669 | /* while (pin < 128) */ | |
670 | while_ctx = aml_while(aml_lless(pin, aml_int(128))); | |
671 | { | |
672 | Aml *slot = aml_local(2); | |
673 | Aml *lnk_idx = aml_local(3); | |
674 | Aml *route = aml_local(4); | |
675 | ||
676 | /* slot = pin >> 2 */ | |
677 | aml_append(while_ctx, | |
678 | aml_store(aml_shiftright(pin, aml_int(2), NULL), slot)); | |
679 | /* lnk_idx = (slot + pin) & 3 */ | |
680 | aml_append(while_ctx, | |
681 | aml_store(aml_and(aml_add(pin, slot, NULL), aml_int(3), NULL), | |
682 | lnk_idx)); | |
683 | ||
684 | /* route[2] = "LNK[D|A|B|C]", selection based on pin % 3 */ | |
685 | aml_append(while_ctx, initialize_route(route, "LNKD", lnk_idx, 0)); | |
686 | if (is_pci0_prt) { | |
687 | Aml *if_device_1, *if_pin_4, *else_pin_4; | |
688 | ||
689 | /* device 1 is the power-management device, needs SCI */ | |
690 | if_device_1 = aml_if(aml_equal(lnk_idx, aml_int(1))); | |
691 | { | |
692 | if_pin_4 = aml_if(aml_equal(pin, aml_int(4))); | |
693 | { | |
694 | aml_append(if_pin_4, | |
695 | aml_store(build_prt_entry("LNKS"), route)); | |
696 | } | |
697 | aml_append(if_device_1, if_pin_4); | |
698 | else_pin_4 = aml_else(); | |
699 | { | |
700 | aml_append(else_pin_4, | |
701 | aml_store(build_prt_entry("LNKA"), route)); | |
702 | } | |
703 | aml_append(if_device_1, else_pin_4); | |
704 | } | |
705 | aml_append(while_ctx, if_device_1); | |
706 | } else { | |
707 | aml_append(while_ctx, initialize_route(route, "LNKA", lnk_idx, 1)); | |
708 | } | |
709 | aml_append(while_ctx, initialize_route(route, "LNKB", lnk_idx, 2)); | |
710 | aml_append(while_ctx, initialize_route(route, "LNKC", lnk_idx, 3)); | |
711 | ||
712 | /* route[0] = 0x[slot]FFFF */ | |
713 | aml_append(while_ctx, | |
714 | aml_store(aml_or(aml_shiftleft(slot, aml_int(16)), aml_int(0xFFFF), | |
715 | NULL), | |
716 | aml_index(route, aml_int(0)))); | |
717 | /* route[1] = pin & 3 */ | |
718 | aml_append(while_ctx, | |
719 | aml_store(aml_and(pin, aml_int(3), NULL), | |
720 | aml_index(route, aml_int(1)))); | |
721 | /* res[pin] = route */ | |
722 | aml_append(while_ctx, aml_store(route, aml_index(res, pin))); | |
723 | /* pin++ */ | |
724 | aml_append(while_ctx, aml_increment(pin)); | |
725 | } | |
726 | aml_append(method, while_ctx); | |
727 | /* return res*/ | |
728 | aml_append(method, aml_return(res)); | |
729 | ||
730 | return method; | |
731 | } | |
732 | ||
733 | typedef struct CrsRangeEntry { | |
734 | uint64_t base; | |
735 | uint64_t limit; | |
736 | } CrsRangeEntry; | |
737 | ||
738 | static void crs_range_insert(GPtrArray *ranges, uint64_t base, uint64_t limit) | |
739 | { | |
740 | CrsRangeEntry *entry; | |
741 | ||
742 | entry = g_malloc(sizeof(*entry)); | |
743 | entry->base = base; | |
744 | entry->limit = limit; | |
745 | ||
746 | g_ptr_array_add(ranges, entry); | |
747 | } | |
748 | ||
749 | static void crs_range_free(gpointer data) | |
750 | { | |
751 | CrsRangeEntry *entry = (CrsRangeEntry *)data; | |
752 | g_free(entry); | |
753 | } | |
754 | ||
755 | typedef struct CrsRangeSet { | |
756 | GPtrArray *io_ranges; | |
757 | GPtrArray *mem_ranges; | |
758 | GPtrArray *mem_64bit_ranges; | |
759 | } CrsRangeSet; | |
760 | ||
761 | static void crs_range_set_init(CrsRangeSet *range_set) | |
762 | { | |
763 | range_set->io_ranges = g_ptr_array_new_with_free_func(crs_range_free); | |
764 | range_set->mem_ranges = g_ptr_array_new_with_free_func(crs_range_free); | |
765 | range_set->mem_64bit_ranges = | |
766 | g_ptr_array_new_with_free_func(crs_range_free); | |
767 | } | |
768 | ||
769 | static void crs_range_set_free(CrsRangeSet *range_set) | |
770 | { | |
771 | g_ptr_array_free(range_set->io_ranges, true); | |
772 | g_ptr_array_free(range_set->mem_ranges, true); | |
773 | g_ptr_array_free(range_set->mem_64bit_ranges, true); | |
774 | } | |
775 | ||
776 | static gint crs_range_compare(gconstpointer a, gconstpointer b) | |
777 | { | |
778 | CrsRangeEntry *entry_a = *(CrsRangeEntry **)a; | |
779 | CrsRangeEntry *entry_b = *(CrsRangeEntry **)b; | |
780 | ||
781 | return (int64_t)entry_a->base - (int64_t)entry_b->base; | |
782 | } | |
783 | ||
784 | /* | |
785 | * crs_replace_with_free_ranges - given the 'used' ranges within [start - end] | |
786 | * interval, computes the 'free' ranges from the same interval. | |
787 | * Example: If the input array is { [a1 - a2],[b1 - b2] }, the function | |
788 | * will return { [base - a1], [a2 - b1], [b2 - limit] }. | |
789 | */ | |
790 | static void crs_replace_with_free_ranges(GPtrArray *ranges, | |
791 | uint64_t start, uint64_t end) | |
792 | { | |
793 | GPtrArray *free_ranges = g_ptr_array_new(); | |
794 | uint64_t free_base = start; | |
795 | int i; | |
796 | ||
797 | g_ptr_array_sort(ranges, crs_range_compare); | |
798 | for (i = 0; i < ranges->len; i++) { | |
799 | CrsRangeEntry *used = g_ptr_array_index(ranges, i); | |
800 | ||
801 | if (free_base < used->base) { | |
802 | crs_range_insert(free_ranges, free_base, used->base - 1); | |
803 | } | |
804 | ||
805 | free_base = used->limit + 1; | |
806 | } | |
807 | ||
808 | if (free_base < end) { | |
809 | crs_range_insert(free_ranges, free_base, end); | |
810 | } | |
811 | ||
812 | g_ptr_array_set_size(ranges, 0); | |
813 | for (i = 0; i < free_ranges->len; i++) { | |
814 | g_ptr_array_add(ranges, g_ptr_array_index(free_ranges, i)); | |
815 | } | |
816 | ||
817 | g_ptr_array_free(free_ranges, true); | |
818 | } | |
819 | ||
820 | /* | |
821 | * crs_range_merge - merges adjacent ranges in the given array. | |
822 | * Array elements are deleted and replaced with the merged ranges. | |
823 | */ | |
824 | static void crs_range_merge(GPtrArray *range) | |
825 | { | |
826 | GPtrArray *tmp = g_ptr_array_new_with_free_func(crs_range_free); | |
827 | CrsRangeEntry *entry; | |
828 | uint64_t range_base, range_limit; | |
829 | int i; | |
830 | ||
831 | if (!range->len) { | |
832 | return; | |
833 | } | |
834 | ||
835 | g_ptr_array_sort(range, crs_range_compare); | |
836 | ||
837 | entry = g_ptr_array_index(range, 0); | |
838 | range_base = entry->base; | |
839 | range_limit = entry->limit; | |
840 | for (i = 1; i < range->len; i++) { | |
841 | entry = g_ptr_array_index(range, i); | |
842 | if (entry->base - 1 == range_limit) { | |
843 | range_limit = entry->limit; | |
844 | } else { | |
845 | crs_range_insert(tmp, range_base, range_limit); | |
846 | range_base = entry->base; | |
847 | range_limit = entry->limit; | |
848 | } | |
849 | } | |
850 | crs_range_insert(tmp, range_base, range_limit); | |
851 | ||
852 | g_ptr_array_set_size(range, 0); | |
853 | for (i = 0; i < tmp->len; i++) { | |
854 | entry = g_ptr_array_index(tmp, i); | |
855 | crs_range_insert(range, entry->base, entry->limit); | |
856 | } | |
857 | g_ptr_array_free(tmp, true); | |
858 | } | |
859 | ||
860 | static Aml *build_crs(PCIHostState *host, CrsRangeSet *range_set) | |
861 | { | |
862 | Aml *crs = aml_resource_template(); | |
863 | CrsRangeSet temp_range_set; | |
864 | CrsRangeEntry *entry; | |
865 | uint8_t max_bus = pci_bus_num(host->bus); | |
866 | uint8_t type; | |
867 | int devfn; | |
868 | int i; | |
869 | ||
870 | crs_range_set_init(&temp_range_set); | |
871 | for (devfn = 0; devfn < ARRAY_SIZE(host->bus->devices); devfn++) { | |
872 | uint64_t range_base, range_limit; | |
873 | PCIDevice *dev = host->bus->devices[devfn]; | |
874 | ||
875 | if (!dev) { | |
876 | continue; | |
877 | } | |
878 | ||
879 | for (i = 0; i < PCI_NUM_REGIONS; i++) { | |
880 | PCIIORegion *r = &dev->io_regions[i]; | |
881 | ||
882 | range_base = r->addr; | |
883 | range_limit = r->addr + r->size - 1; | |
884 | ||
885 | /* | |
886 | * Work-around for old bioses | |
887 | * that do not support multiple root buses | |
888 | */ | |
889 | if (!range_base || range_base > range_limit) { | |
890 | continue; | |
891 | } | |
892 | ||
893 | if (r->type & PCI_BASE_ADDRESS_SPACE_IO) { | |
894 | crs_range_insert(temp_range_set.io_ranges, | |
895 | range_base, range_limit); | |
896 | } else { /* "memory" */ | |
897 | crs_range_insert(temp_range_set.mem_ranges, | |
898 | range_base, range_limit); | |
899 | } | |
900 | } | |
901 | ||
902 | type = dev->config[PCI_HEADER_TYPE] & ~PCI_HEADER_TYPE_MULTI_FUNCTION; | |
903 | if (type == PCI_HEADER_TYPE_BRIDGE) { | |
904 | uint8_t subordinate = dev->config[PCI_SUBORDINATE_BUS]; | |
905 | if (subordinate > max_bus) { | |
906 | max_bus = subordinate; | |
907 | } | |
908 | ||
909 | range_base = pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_IO); | |
910 | range_limit = pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_IO); | |
911 | ||
912 | /* | |
913 | * Work-around for old bioses | |
914 | * that do not support multiple root buses | |
915 | */ | |
916 | if (range_base && range_base <= range_limit) { | |
917 | crs_range_insert(temp_range_set.io_ranges, | |
918 | range_base, range_limit); | |
919 | } | |
920 | ||
921 | range_base = | |
922 | pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_MEMORY); | |
923 | range_limit = | |
924 | pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_MEMORY); | |
925 | ||
926 | /* | |
927 | * Work-around for old bioses | |
928 | * that do not support multiple root buses | |
929 | */ | |
930 | if (range_base && range_base <= range_limit) { | |
931 | uint64_t length = range_limit - range_base + 1; | |
932 | if (range_limit <= UINT32_MAX && length <= UINT32_MAX) { | |
933 | crs_range_insert(temp_range_set.mem_ranges, | |
934 | range_base, range_limit); | |
935 | } else { | |
936 | crs_range_insert(temp_range_set.mem_64bit_ranges, | |
937 | range_base, range_limit); | |
938 | } | |
939 | } | |
940 | ||
941 | range_base = | |
942 | pci_bridge_get_base(dev, PCI_BASE_ADDRESS_MEM_PREFETCH); | |
943 | range_limit = | |
944 | pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_MEM_PREFETCH); | |
945 | ||
946 | /* | |
947 | * Work-around for old bioses | |
948 | * that do not support multiple root buses | |
949 | */ | |
950 | if (range_base && range_base <= range_limit) { | |
951 | uint64_t length = range_limit - range_base + 1; | |
952 | if (range_limit <= UINT32_MAX && length <= UINT32_MAX) { | |
953 | crs_range_insert(temp_range_set.mem_ranges, | |
954 | range_base, range_limit); | |
955 | } else { | |
956 | crs_range_insert(temp_range_set.mem_64bit_ranges, | |
957 | range_base, range_limit); | |
958 | } | |
959 | } | |
960 | } | |
961 | } | |
962 | ||
963 | crs_range_merge(temp_range_set.io_ranges); | |
964 | for (i = 0; i < temp_range_set.io_ranges->len; i++) { | |
965 | entry = g_ptr_array_index(temp_range_set.io_ranges, i); | |
966 | aml_append(crs, | |
967 | aml_word_io(AML_MIN_FIXED, AML_MAX_FIXED, | |
968 | AML_POS_DECODE, AML_ENTIRE_RANGE, | |
969 | 0, entry->base, entry->limit, 0, | |
970 | entry->limit - entry->base + 1)); | |
971 | crs_range_insert(range_set->io_ranges, entry->base, entry->limit); | |
972 | } | |
973 | ||
974 | crs_range_merge(temp_range_set.mem_ranges); | |
975 | for (i = 0; i < temp_range_set.mem_ranges->len; i++) { | |
976 | entry = g_ptr_array_index(temp_range_set.mem_ranges, i); | |
977 | aml_append(crs, | |
978 | aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, | |
979 | AML_MAX_FIXED, AML_NON_CACHEABLE, | |
980 | AML_READ_WRITE, | |
981 | 0, entry->base, entry->limit, 0, | |
982 | entry->limit - entry->base + 1)); | |
983 | crs_range_insert(range_set->mem_ranges, entry->base, entry->limit); | |
984 | } | |
985 | ||
986 | crs_range_merge(temp_range_set.mem_64bit_ranges); | |
987 | for (i = 0; i < temp_range_set.mem_64bit_ranges->len; i++) { | |
988 | entry = g_ptr_array_index(temp_range_set.mem_64bit_ranges, i); | |
989 | aml_append(crs, | |
990 | aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, | |
991 | AML_MAX_FIXED, AML_NON_CACHEABLE, | |
992 | AML_READ_WRITE, | |
993 | 0, entry->base, entry->limit, 0, | |
994 | entry->limit - entry->base + 1)); | |
995 | crs_range_insert(range_set->mem_64bit_ranges, | |
996 | entry->base, entry->limit); | |
997 | } | |
998 | ||
999 | crs_range_set_free(&temp_range_set); | |
1000 | ||
1001 | aml_append(crs, | |
1002 | aml_word_bus_number(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE, | |
1003 | 0, | |
1004 | pci_bus_num(host->bus), | |
1005 | max_bus, | |
1006 | 0, | |
1007 | max_bus - pci_bus_num(host->bus) + 1)); | |
1008 | ||
1009 | return crs; | |
1010 | } | |
1011 | ||
1012 | static void build_memory_devices(Aml *sb_scope, int nr_mem, | |
1013 | uint16_t io_base, uint16_t io_len) | |
1014 | { | |
1015 | int i; | |
1016 | Aml *scope; | |
1017 | Aml *crs; | |
1018 | Aml *field; | |
1019 | Aml *dev; | |
1020 | Aml *method; | |
1021 | Aml *ifctx; | |
1022 | ||
1023 | /* build memory devices */ | |
1024 | assert(nr_mem <= ACPI_MAX_RAM_SLOTS); | |
1025 | scope = aml_scope("\\_SB.PCI0." MEMORY_HOTPLUG_DEVICE); | |
1026 | aml_append(scope, | |
1027 | aml_name_decl(MEMORY_SLOTS_NUMBER, aml_int(nr_mem)) | |
1028 | ); | |
1029 | ||
1030 | crs = aml_resource_template(); | |
1031 | aml_append(crs, | |
1032 | aml_io(AML_DECODE16, io_base, io_base, 0, io_len) | |
1033 | ); | |
1034 | aml_append(scope, aml_name_decl("_CRS", crs)); | |
1035 | ||
1036 | aml_append(scope, aml_operation_region( | |
1037 | MEMORY_HOTPLUG_IO_REGION, AML_SYSTEM_IO, | |
1038 | aml_int(io_base), io_len) | |
1039 | ); | |
1040 | ||
1041 | field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_DWORD_ACC, | |
1042 | AML_NOLOCK, AML_PRESERVE); | |
1043 | aml_append(field, /* read only */ | |
1044 | aml_named_field(MEMORY_SLOT_ADDR_LOW, 32)); | |
1045 | aml_append(field, /* read only */ | |
1046 | aml_named_field(MEMORY_SLOT_ADDR_HIGH, 32)); | |
1047 | aml_append(field, /* read only */ | |
1048 | aml_named_field(MEMORY_SLOT_SIZE_LOW, 32)); | |
1049 | aml_append(field, /* read only */ | |
1050 | aml_named_field(MEMORY_SLOT_SIZE_HIGH, 32)); | |
1051 | aml_append(field, /* read only */ | |
1052 | aml_named_field(MEMORY_SLOT_PROXIMITY, 32)); | |
1053 | aml_append(scope, field); | |
1054 | ||
1055 | field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_BYTE_ACC, | |
1056 | AML_NOLOCK, AML_WRITE_AS_ZEROS); | |
1057 | aml_append(field, aml_reserved_field(160 /* bits, Offset(20) */)); | |
1058 | aml_append(field, /* 1 if enabled, read only */ | |
1059 | aml_named_field(MEMORY_SLOT_ENABLED, 1)); | |
1060 | aml_append(field, | |
1061 | /*(read) 1 if has a insert event. (write) 1 to clear event */ | |
1062 | aml_named_field(MEMORY_SLOT_INSERT_EVENT, 1)); | |
1063 | aml_append(field, | |
1064 | /* (read) 1 if has a remove event. (write) 1 to clear event */ | |
1065 | aml_named_field(MEMORY_SLOT_REMOVE_EVENT, 1)); | |
1066 | aml_append(field, | |
1067 | /* initiates device eject, write only */ | |
1068 | aml_named_field(MEMORY_SLOT_EJECT, 1)); | |
1069 | aml_append(scope, field); | |
1070 | ||
1071 | field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_DWORD_ACC, | |
1072 | AML_NOLOCK, AML_PRESERVE); | |
1073 | aml_append(field, /* DIMM selector, write only */ | |
1074 | aml_named_field(MEMORY_SLOT_SLECTOR, 32)); | |
1075 | aml_append(field, /* _OST event code, write only */ | |
1076 | aml_named_field(MEMORY_SLOT_OST_EVENT, 32)); | |
1077 | aml_append(field, /* _OST status code, write only */ | |
1078 | aml_named_field(MEMORY_SLOT_OST_STATUS, 32)); | |
1079 | aml_append(scope, field); | |
1080 | aml_append(sb_scope, scope); | |
1081 | ||
1082 | for (i = 0; i < nr_mem; i++) { | |
1083 | #define BASEPATH "\\_SB.PCI0." MEMORY_HOTPLUG_DEVICE "." | |
1084 | const char *s; | |
1085 | ||
1086 | dev = aml_device("MP%02X", i); | |
1087 | aml_append(dev, aml_name_decl("_UID", aml_string("0x%02X", i))); | |
1088 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C80"))); | |
1089 | ||
1090 | method = aml_method("_CRS", 0, AML_NOTSERIALIZED); | |
1091 | s = BASEPATH MEMORY_SLOT_CRS_METHOD; | |
1092 | aml_append(method, aml_return(aml_call1(s, aml_name("_UID")))); | |
1093 | aml_append(dev, method); | |
1094 | ||
1095 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
1096 | s = BASEPATH MEMORY_SLOT_STATUS_METHOD; | |
1097 | aml_append(method, aml_return(aml_call1(s, aml_name("_UID")))); | |
1098 | aml_append(dev, method); | |
1099 | ||
1100 | method = aml_method("_PXM", 0, AML_NOTSERIALIZED); | |
1101 | s = BASEPATH MEMORY_SLOT_PROXIMITY_METHOD; | |
1102 | aml_append(method, aml_return(aml_call1(s, aml_name("_UID")))); | |
1103 | aml_append(dev, method); | |
1104 | ||
1105 | method = aml_method("_OST", 3, AML_NOTSERIALIZED); | |
1106 | s = BASEPATH MEMORY_SLOT_OST_METHOD; | |
1107 | ||
1108 | aml_append(method, aml_return(aml_call4( | |
1109 | s, aml_name("_UID"), aml_arg(0), aml_arg(1), aml_arg(2) | |
1110 | ))); | |
1111 | aml_append(dev, method); | |
1112 | ||
1113 | method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); | |
1114 | s = BASEPATH MEMORY_SLOT_EJECT_METHOD; | |
1115 | aml_append(method, aml_return(aml_call2( | |
1116 | s, aml_name("_UID"), aml_arg(0)))); | |
1117 | aml_append(dev, method); | |
1118 | ||
1119 | aml_append(sb_scope, dev); | |
1120 | } | |
1121 | ||
1122 | /* build Method(MEMORY_SLOT_NOTIFY_METHOD, 2) { | |
1123 | * If (LEqual(Arg0, 0x00)) {Notify(MP00, Arg1)} ... } | |
1124 | */ | |
1125 | method = aml_method(MEMORY_SLOT_NOTIFY_METHOD, 2, AML_NOTSERIALIZED); | |
1126 | for (i = 0; i < nr_mem; i++) { | |
1127 | ifctx = aml_if(aml_equal(aml_arg(0), aml_int(i))); | |
1128 | aml_append(ifctx, | |
1129 | aml_notify(aml_name("MP%.02X", i), aml_arg(1)) | |
1130 | ); | |
1131 | aml_append(method, ifctx); | |
1132 | } | |
1133 | aml_append(sb_scope, method); | |
1134 | } | |
1135 | ||
1136 | static void build_hpet_aml(Aml *table) | |
1137 | { | |
1138 | Aml *crs; | |
1139 | Aml *field; | |
1140 | Aml *method; | |
1141 | Aml *if_ctx; | |
1142 | Aml *scope = aml_scope("_SB"); | |
1143 | Aml *dev = aml_device("HPET"); | |
1144 | Aml *zero = aml_int(0); | |
1145 | Aml *id = aml_local(0); | |
1146 | Aml *period = aml_local(1); | |
1147 | ||
1148 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0103"))); | |
1149 | aml_append(dev, aml_name_decl("_UID", zero)); | |
1150 | ||
1151 | aml_append(dev, | |
1152 | aml_operation_region("HPTM", AML_SYSTEM_MEMORY, aml_int(HPET_BASE), | |
1153 | HPET_LEN)); | |
1154 | field = aml_field("HPTM", AML_DWORD_ACC, AML_LOCK, AML_PRESERVE); | |
1155 | aml_append(field, aml_named_field("VEND", 32)); | |
1156 | aml_append(field, aml_named_field("PRD", 32)); | |
1157 | aml_append(dev, field); | |
1158 | ||
1159 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
1160 | aml_append(method, aml_store(aml_name("VEND"), id)); | |
1161 | aml_append(method, aml_store(aml_name("PRD"), period)); | |
1162 | aml_append(method, aml_shiftright(id, aml_int(16), id)); | |
1163 | if_ctx = aml_if(aml_lor(aml_equal(id, zero), | |
1164 | aml_equal(id, aml_int(0xffff)))); | |
1165 | { | |
1166 | aml_append(if_ctx, aml_return(zero)); | |
1167 | } | |
1168 | aml_append(method, if_ctx); | |
1169 | ||
1170 | if_ctx = aml_if(aml_lor(aml_equal(period, zero), | |
1171 | aml_lgreater(period, aml_int(100000000)))); | |
1172 | { | |
1173 | aml_append(if_ctx, aml_return(zero)); | |
1174 | } | |
1175 | aml_append(method, if_ctx); | |
1176 | ||
1177 | aml_append(method, aml_return(aml_int(0x0F))); | |
1178 | aml_append(dev, method); | |
1179 | ||
1180 | crs = aml_resource_template(); | |
1181 | aml_append(crs, aml_memory32_fixed(HPET_BASE, HPET_LEN, AML_READ_ONLY)); | |
1182 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1183 | ||
1184 | aml_append(scope, dev); | |
1185 | aml_append(table, scope); | |
1186 | } | |
1187 | ||
1188 | static Aml *build_fdinfo_aml(int idx, FloppyDriveType type) | |
1189 | { | |
1190 | Aml *dev, *fdi; | |
1191 | uint8_t maxc, maxh, maxs; | |
1192 | ||
1193 | isa_fdc_get_drive_max_chs(type, &maxc, &maxh, &maxs); | |
1194 | ||
1195 | dev = aml_device("FLP%c", 'A' + idx); | |
1196 | ||
1197 | aml_append(dev, aml_name_decl("_ADR", aml_int(idx))); | |
1198 | ||
1199 | fdi = aml_package(16); | |
1200 | aml_append(fdi, aml_int(idx)); /* Drive Number */ | |
1201 | aml_append(fdi, | |
1202 | aml_int(cmos_get_fd_drive_type(type))); /* Device Type */ | |
1203 | /* | |
1204 | * the values below are the limits of the drive, and are thus independent | |
1205 | * of the inserted media | |
1206 | */ | |
1207 | aml_append(fdi, aml_int(maxc)); /* Maximum Cylinder Number */ | |
1208 | aml_append(fdi, aml_int(maxs)); /* Maximum Sector Number */ | |
1209 | aml_append(fdi, aml_int(maxh)); /* Maximum Head Number */ | |
1210 | /* | |
1211 | * SeaBIOS returns the below values for int 0x13 func 0x08 regardless of | |
1212 | * the drive type, so shall we | |
1213 | */ | |
1214 | aml_append(fdi, aml_int(0xAF)); /* disk_specify_1 */ | |
1215 | aml_append(fdi, aml_int(0x02)); /* disk_specify_2 */ | |
1216 | aml_append(fdi, aml_int(0x25)); /* disk_motor_wait */ | |
1217 | aml_append(fdi, aml_int(0x02)); /* disk_sector_siz */ | |
1218 | aml_append(fdi, aml_int(0x12)); /* disk_eot */ | |
1219 | aml_append(fdi, aml_int(0x1B)); /* disk_rw_gap */ | |
1220 | aml_append(fdi, aml_int(0xFF)); /* disk_dtl */ | |
1221 | aml_append(fdi, aml_int(0x6C)); /* disk_formt_gap */ | |
1222 | aml_append(fdi, aml_int(0xF6)); /* disk_fill */ | |
1223 | aml_append(fdi, aml_int(0x0F)); /* disk_head_sttl */ | |
1224 | aml_append(fdi, aml_int(0x08)); /* disk_motor_strt */ | |
1225 | ||
1226 | aml_append(dev, aml_name_decl("_FDI", fdi)); | |
1227 | return dev; | |
1228 | } | |
1229 | ||
1230 | static Aml *build_fdc_device_aml(ISADevice *fdc) | |
1231 | { | |
1232 | int i; | |
1233 | Aml *dev; | |
1234 | Aml *crs; | |
1235 | ||
1236 | #define ACPI_FDE_MAX_FD 4 | |
1237 | uint32_t fde_buf[5] = { | |
1238 | 0, 0, 0, 0, /* presence of floppy drives #0 - #3 */ | |
1239 | cpu_to_le32(2) /* tape presence (2 == never present) */ | |
1240 | }; | |
1241 | ||
1242 | dev = aml_device("FDC0"); | |
1243 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0700"))); | |
1244 | ||
1245 | crs = aml_resource_template(); | |
1246 | aml_append(crs, aml_io(AML_DECODE16, 0x03F2, 0x03F2, 0x00, 0x04)); | |
1247 | aml_append(crs, aml_io(AML_DECODE16, 0x03F7, 0x03F7, 0x00, 0x01)); | |
1248 | aml_append(crs, aml_irq_no_flags(6)); | |
1249 | aml_append(crs, | |
1250 | aml_dma(AML_COMPATIBILITY, AML_NOTBUSMASTER, AML_TRANSFER8, 2)); | |
1251 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1252 | ||
1253 | for (i = 0; i < MIN(MAX_FD, ACPI_FDE_MAX_FD); i++) { | |
1254 | FloppyDriveType type = isa_fdc_get_drive_type(fdc, i); | |
1255 | ||
1256 | if (type < FLOPPY_DRIVE_TYPE_NONE) { | |
1257 | fde_buf[i] = cpu_to_le32(1); /* drive present */ | |
1258 | aml_append(dev, build_fdinfo_aml(i, type)); | |
1259 | } | |
1260 | } | |
1261 | aml_append(dev, aml_name_decl("_FDE", | |
1262 | aml_buffer(sizeof(fde_buf), (uint8_t *)fde_buf))); | |
1263 | ||
1264 | return dev; | |
1265 | } | |
1266 | ||
1267 | static Aml *build_rtc_device_aml(void) | |
1268 | { | |
1269 | Aml *dev; | |
1270 | Aml *crs; | |
1271 | ||
1272 | dev = aml_device("RTC"); | |
1273 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0B00"))); | |
1274 | crs = aml_resource_template(); | |
1275 | aml_append(crs, aml_io(AML_DECODE16, 0x0070, 0x0070, 0x10, 0x02)); | |
1276 | aml_append(crs, aml_irq_no_flags(8)); | |
1277 | aml_append(crs, aml_io(AML_DECODE16, 0x0072, 0x0072, 0x02, 0x06)); | |
1278 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1279 | ||
1280 | return dev; | |
1281 | } | |
1282 | ||
1283 | static Aml *build_kbd_device_aml(void) | |
1284 | { | |
1285 | Aml *dev; | |
1286 | Aml *crs; | |
1287 | Aml *method; | |
1288 | ||
1289 | dev = aml_device("KBD"); | |
1290 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0303"))); | |
1291 | ||
1292 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
1293 | aml_append(method, aml_return(aml_int(0x0f))); | |
1294 | aml_append(dev, method); | |
1295 | ||
1296 | crs = aml_resource_template(); | |
1297 | aml_append(crs, aml_io(AML_DECODE16, 0x0060, 0x0060, 0x01, 0x01)); | |
1298 | aml_append(crs, aml_io(AML_DECODE16, 0x0064, 0x0064, 0x01, 0x01)); | |
1299 | aml_append(crs, aml_irq_no_flags(1)); | |
1300 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1301 | ||
1302 | return dev; | |
1303 | } | |
1304 | ||
1305 | static Aml *build_mouse_device_aml(void) | |
1306 | { | |
1307 | Aml *dev; | |
1308 | Aml *crs; | |
1309 | Aml *method; | |
1310 | ||
1311 | dev = aml_device("MOU"); | |
1312 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0F13"))); | |
1313 | ||
1314 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
1315 | aml_append(method, aml_return(aml_int(0x0f))); | |
1316 | aml_append(dev, method); | |
1317 | ||
1318 | crs = aml_resource_template(); | |
1319 | aml_append(crs, aml_irq_no_flags(12)); | |
1320 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1321 | ||
1322 | return dev; | |
1323 | } | |
1324 | ||
1325 | static Aml *build_lpt_device_aml(void) | |
1326 | { | |
1327 | Aml *dev; | |
1328 | Aml *crs; | |
1329 | Aml *method; | |
1330 | Aml *if_ctx; | |
1331 | Aml *else_ctx; | |
1332 | Aml *zero = aml_int(0); | |
1333 | Aml *is_present = aml_local(0); | |
1334 | ||
1335 | dev = aml_device("LPT"); | |
1336 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0400"))); | |
1337 | ||
1338 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
1339 | aml_append(method, aml_store(aml_name("LPEN"), is_present)); | |
1340 | if_ctx = aml_if(aml_equal(is_present, zero)); | |
1341 | { | |
1342 | aml_append(if_ctx, aml_return(aml_int(0x00))); | |
1343 | } | |
1344 | aml_append(method, if_ctx); | |
1345 | else_ctx = aml_else(); | |
1346 | { | |
1347 | aml_append(else_ctx, aml_return(aml_int(0x0f))); | |
1348 | } | |
1349 | aml_append(method, else_ctx); | |
1350 | aml_append(dev, method); | |
1351 | ||
1352 | crs = aml_resource_template(); | |
1353 | aml_append(crs, aml_io(AML_DECODE16, 0x0378, 0x0378, 0x08, 0x08)); | |
1354 | aml_append(crs, aml_irq_no_flags(7)); | |
1355 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1356 | ||
1357 | return dev; | |
1358 | } | |
1359 | ||
1360 | static Aml *build_com_device_aml(uint8_t uid) | |
1361 | { | |
1362 | Aml *dev; | |
1363 | Aml *crs; | |
1364 | Aml *method; | |
1365 | Aml *if_ctx; | |
1366 | Aml *else_ctx; | |
1367 | Aml *zero = aml_int(0); | |
1368 | Aml *is_present = aml_local(0); | |
1369 | const char *enabled_field = "CAEN"; | |
1370 | uint8_t irq = 4; | |
1371 | uint16_t io_port = 0x03F8; | |
1372 | ||
1373 | assert(uid == 1 || uid == 2); | |
1374 | if (uid == 2) { | |
1375 | enabled_field = "CBEN"; | |
1376 | irq = 3; | |
1377 | io_port = 0x02F8; | |
1378 | } | |
1379 | ||
1380 | dev = aml_device("COM%d", uid); | |
1381 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0501"))); | |
1382 | aml_append(dev, aml_name_decl("_UID", aml_int(uid))); | |
1383 | ||
1384 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
1385 | aml_append(method, aml_store(aml_name("%s", enabled_field), is_present)); | |
1386 | if_ctx = aml_if(aml_equal(is_present, zero)); | |
1387 | { | |
1388 | aml_append(if_ctx, aml_return(aml_int(0x00))); | |
1389 | } | |
1390 | aml_append(method, if_ctx); | |
1391 | else_ctx = aml_else(); | |
1392 | { | |
1393 | aml_append(else_ctx, aml_return(aml_int(0x0f))); | |
1394 | } | |
1395 | aml_append(method, else_ctx); | |
1396 | aml_append(dev, method); | |
1397 | ||
1398 | crs = aml_resource_template(); | |
1399 | aml_append(crs, aml_io(AML_DECODE16, io_port, io_port, 0x00, 0x08)); | |
1400 | aml_append(crs, aml_irq_no_flags(irq)); | |
1401 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1402 | ||
1403 | return dev; | |
1404 | } | |
1405 | ||
1406 | static void build_isa_devices_aml(Aml *table) | |
1407 | { | |
1408 | ISADevice *fdc = pc_find_fdc0(); | |
1409 | bool ambiguous; | |
1410 | ||
1411 | Aml *scope = aml_scope("_SB.PCI0.ISA"); | |
1412 | Object *obj = object_resolve_path_type("", TYPE_ISA_BUS, &ambiguous); | |
1413 | ||
1414 | aml_append(scope, build_rtc_device_aml()); | |
1415 | aml_append(scope, build_kbd_device_aml()); | |
1416 | aml_append(scope, build_mouse_device_aml()); | |
1417 | if (fdc) { | |
1418 | aml_append(scope, build_fdc_device_aml(fdc)); | |
1419 | } | |
1420 | aml_append(scope, build_lpt_device_aml()); | |
1421 | aml_append(scope, build_com_device_aml(1)); | |
1422 | aml_append(scope, build_com_device_aml(2)); | |
1423 | ||
1424 | if (ambiguous) { | |
1425 | error_report("Multiple ISA busses, unable to define IPMI ACPI data"); | |
1426 | } else if (!obj) { | |
1427 | error_report("No ISA bus, unable to define IPMI ACPI data"); | |
1428 | } else { | |
1429 | build_acpi_ipmi_devices(scope, BUS(obj)); | |
1430 | } | |
1431 | ||
1432 | aml_append(table, scope); | |
1433 | } | |
1434 | ||
1435 | static void build_dbg_aml(Aml *table) | |
1436 | { | |
1437 | Aml *field; | |
1438 | Aml *method; | |
1439 | Aml *while_ctx; | |
1440 | Aml *scope = aml_scope("\\"); | |
1441 | Aml *buf = aml_local(0); | |
1442 | Aml *len = aml_local(1); | |
1443 | Aml *idx = aml_local(2); | |
1444 | ||
1445 | aml_append(scope, | |
1446 | aml_operation_region("DBG", AML_SYSTEM_IO, aml_int(0x0402), 0x01)); | |
1447 | field = aml_field("DBG", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); | |
1448 | aml_append(field, aml_named_field("DBGB", 8)); | |
1449 | aml_append(scope, field); | |
1450 | ||
1451 | method = aml_method("DBUG", 1, AML_NOTSERIALIZED); | |
1452 | ||
1453 | aml_append(method, aml_to_hexstring(aml_arg(0), buf)); | |
1454 | aml_append(method, aml_to_buffer(buf, buf)); | |
1455 | aml_append(method, aml_subtract(aml_sizeof(buf), aml_int(1), len)); | |
1456 | aml_append(method, aml_store(aml_int(0), idx)); | |
1457 | ||
1458 | while_ctx = aml_while(aml_lless(idx, len)); | |
1459 | aml_append(while_ctx, | |
1460 | aml_store(aml_derefof(aml_index(buf, idx)), aml_name("DBGB"))); | |
1461 | aml_append(while_ctx, aml_increment(idx)); | |
1462 | aml_append(method, while_ctx); | |
1463 | ||
1464 | aml_append(method, aml_store(aml_int(0x0A), aml_name("DBGB"))); | |
1465 | aml_append(scope, method); | |
1466 | ||
1467 | aml_append(table, scope); | |
1468 | } | |
1469 | ||
1470 | static Aml *build_link_dev(const char *name, uint8_t uid, Aml *reg) | |
1471 | { | |
1472 | Aml *dev; | |
1473 | Aml *crs; | |
1474 | Aml *method; | |
1475 | uint32_t irqs[] = {5, 10, 11}; | |
1476 | ||
1477 | dev = aml_device("%s", name); | |
1478 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C0F"))); | |
1479 | aml_append(dev, aml_name_decl("_UID", aml_int(uid))); | |
1480 | ||
1481 | crs = aml_resource_template(); | |
1482 | aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, | |
1483 | AML_SHARED, irqs, ARRAY_SIZE(irqs))); | |
1484 | aml_append(dev, aml_name_decl("_PRS", crs)); | |
1485 | ||
1486 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
1487 | aml_append(method, aml_return(aml_call1("IQST", reg))); | |
1488 | aml_append(dev, method); | |
1489 | ||
1490 | method = aml_method("_DIS", 0, AML_NOTSERIALIZED); | |
1491 | aml_append(method, aml_or(reg, aml_int(0x80), reg)); | |
1492 | aml_append(dev, method); | |
1493 | ||
1494 | method = aml_method("_CRS", 0, AML_NOTSERIALIZED); | |
1495 | aml_append(method, aml_return(aml_call1("IQCR", reg))); | |
1496 | aml_append(dev, method); | |
1497 | ||
1498 | method = aml_method("_SRS", 1, AML_NOTSERIALIZED); | |
1499 | aml_append(method, aml_create_dword_field(aml_arg(0), aml_int(5), "PRRI")); | |
1500 | aml_append(method, aml_store(aml_name("PRRI"), reg)); | |
1501 | aml_append(dev, method); | |
1502 | ||
1503 | return dev; | |
1504 | } | |
1505 | ||
1506 | static Aml *build_gsi_link_dev(const char *name, uint8_t uid, uint8_t gsi) | |
1507 | { | |
1508 | Aml *dev; | |
1509 | Aml *crs; | |
1510 | Aml *method; | |
1511 | uint32_t irqs; | |
1512 | ||
1513 | dev = aml_device("%s", name); | |
1514 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C0F"))); | |
1515 | aml_append(dev, aml_name_decl("_UID", aml_int(uid))); | |
1516 | ||
1517 | crs = aml_resource_template(); | |
1518 | irqs = gsi; | |
1519 | aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, | |
1520 | AML_SHARED, &irqs, 1)); | |
1521 | aml_append(dev, aml_name_decl("_PRS", crs)); | |
1522 | ||
1523 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1524 | ||
1525 | /* | |
1526 | * _DIS can be no-op because the interrupt cannot be disabled. | |
1527 | */ | |
1528 | method = aml_method("_DIS", 0, AML_NOTSERIALIZED); | |
1529 | aml_append(dev, method); | |
1530 | ||
1531 | method = aml_method("_SRS", 1, AML_NOTSERIALIZED); | |
1532 | aml_append(dev, method); | |
1533 | ||
1534 | return dev; | |
1535 | } | |
1536 | ||
1537 | /* _CRS method - get current settings */ | |
1538 | static Aml *build_iqcr_method(bool is_piix4) | |
1539 | { | |
1540 | Aml *if_ctx; | |
1541 | uint32_t irqs; | |
1542 | Aml *method = aml_method("IQCR", 1, AML_SERIALIZED); | |
1543 | Aml *crs = aml_resource_template(); | |
1544 | ||
1545 | irqs = 0; | |
1546 | aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, | |
1547 | AML_ACTIVE_HIGH, AML_SHARED, &irqs, 1)); | |
1548 | aml_append(method, aml_name_decl("PRR0", crs)); | |
1549 | ||
1550 | aml_append(method, | |
1551 | aml_create_dword_field(aml_name("PRR0"), aml_int(5), "PRRI")); | |
1552 | ||
1553 | if (is_piix4) { | |
1554 | if_ctx = aml_if(aml_lless(aml_arg(0), aml_int(0x80))); | |
1555 | aml_append(if_ctx, aml_store(aml_arg(0), aml_name("PRRI"))); | |
1556 | aml_append(method, if_ctx); | |
1557 | } else { | |
1558 | aml_append(method, | |
1559 | aml_store(aml_and(aml_arg(0), aml_int(0xF), NULL), | |
1560 | aml_name("PRRI"))); | |
1561 | } | |
1562 | ||
1563 | aml_append(method, aml_return(aml_name("PRR0"))); | |
1564 | return method; | |
1565 | } | |
1566 | ||
1567 | /* _STA method - get status */ | |
1568 | static Aml *build_irq_status_method(void) | |
1569 | { | |
1570 | Aml *if_ctx; | |
1571 | Aml *method = aml_method("IQST", 1, AML_NOTSERIALIZED); | |
1572 | ||
1573 | if_ctx = aml_if(aml_and(aml_int(0x80), aml_arg(0), NULL)); | |
1574 | aml_append(if_ctx, aml_return(aml_int(0x09))); | |
1575 | aml_append(method, if_ctx); | |
1576 | aml_append(method, aml_return(aml_int(0x0B))); | |
1577 | return method; | |
1578 | } | |
1579 | ||
1580 | static void build_piix4_pci0_int(Aml *table) | |
1581 | { | |
1582 | Aml *dev; | |
1583 | Aml *crs; | |
1584 | Aml *field; | |
1585 | Aml *method; | |
1586 | uint32_t irqs; | |
1587 | Aml *sb_scope = aml_scope("_SB"); | |
1588 | Aml *pci0_scope = aml_scope("PCI0"); | |
1589 | ||
1590 | aml_append(pci0_scope, build_prt(true)); | |
1591 | aml_append(sb_scope, pci0_scope); | |
1592 | ||
1593 | field = aml_field("PCI0.ISA.P40C", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); | |
1594 | aml_append(field, aml_named_field("PRQ0", 8)); | |
1595 | aml_append(field, aml_named_field("PRQ1", 8)); | |
1596 | aml_append(field, aml_named_field("PRQ2", 8)); | |
1597 | aml_append(field, aml_named_field("PRQ3", 8)); | |
1598 | aml_append(sb_scope, field); | |
1599 | ||
1600 | aml_append(sb_scope, build_irq_status_method()); | |
1601 | aml_append(sb_scope, build_iqcr_method(true)); | |
1602 | ||
1603 | aml_append(sb_scope, build_link_dev("LNKA", 0, aml_name("PRQ0"))); | |
1604 | aml_append(sb_scope, build_link_dev("LNKB", 1, aml_name("PRQ1"))); | |
1605 | aml_append(sb_scope, build_link_dev("LNKC", 2, aml_name("PRQ2"))); | |
1606 | aml_append(sb_scope, build_link_dev("LNKD", 3, aml_name("PRQ3"))); | |
1607 | ||
1608 | dev = aml_device("LNKS"); | |
1609 | { | |
1610 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C0F"))); | |
1611 | aml_append(dev, aml_name_decl("_UID", aml_int(4))); | |
1612 | ||
1613 | crs = aml_resource_template(); | |
1614 | irqs = 9; | |
1615 | aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, | |
1616 | AML_ACTIVE_HIGH, AML_SHARED, | |
1617 | &irqs, 1)); | |
1618 | aml_append(dev, aml_name_decl("_PRS", crs)); | |
1619 | ||
1620 | /* The SCI cannot be disabled and is always attached to GSI 9, | |
1621 | * so these are no-ops. We only need this link to override the | |
1622 | * polarity to active high and match the content of the MADT. | |
1623 | */ | |
1624 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
1625 | aml_append(method, aml_return(aml_int(0x0b))); | |
1626 | aml_append(dev, method); | |
1627 | ||
1628 | method = aml_method("_DIS", 0, AML_NOTSERIALIZED); | |
1629 | aml_append(dev, method); | |
1630 | ||
1631 | method = aml_method("_CRS", 0, AML_NOTSERIALIZED); | |
1632 | aml_append(method, aml_return(aml_name("_PRS"))); | |
1633 | aml_append(dev, method); | |
1634 | ||
1635 | method = aml_method("_SRS", 1, AML_NOTSERIALIZED); | |
1636 | aml_append(dev, method); | |
1637 | } | |
1638 | aml_append(sb_scope, dev); | |
1639 | ||
1640 | aml_append(table, sb_scope); | |
1641 | } | |
1642 | ||
1643 | static void append_q35_prt_entry(Aml *ctx, uint32_t nr, const char *name) | |
1644 | { | |
1645 | int i; | |
1646 | int head; | |
1647 | Aml *pkg; | |
1648 | char base = name[3] < 'E' ? 'A' : 'E'; | |
1649 | char *s = g_strdup(name); | |
1650 | Aml *a_nr = aml_int((nr << 16) | 0xffff); | |
1651 | ||
1652 | assert(strlen(s) == 4); | |
1653 | ||
1654 | head = name[3] - base; | |
1655 | for (i = 0; i < 4; i++) { | |
1656 | if (head + i > 3) { | |
1657 | head = i * -1; | |
1658 | } | |
1659 | s[3] = base + head + i; | |
1660 | pkg = aml_package(4); | |
1661 | aml_append(pkg, a_nr); | |
1662 | aml_append(pkg, aml_int(i)); | |
1663 | aml_append(pkg, aml_name("%s", s)); | |
1664 | aml_append(pkg, aml_int(0)); | |
1665 | aml_append(ctx, pkg); | |
1666 | } | |
1667 | g_free(s); | |
1668 | } | |
1669 | ||
1670 | static Aml *build_q35_routing_table(const char *str) | |
1671 | { | |
1672 | int i; | |
1673 | Aml *pkg; | |
1674 | char *name = g_strdup_printf("%s ", str); | |
1675 | ||
1676 | pkg = aml_package(128); | |
1677 | for (i = 0; i < 0x18; i++) { | |
1678 | name[3] = 'E' + (i & 0x3); | |
1679 | append_q35_prt_entry(pkg, i, name); | |
1680 | } | |
1681 | ||
1682 | name[3] = 'E'; | |
1683 | append_q35_prt_entry(pkg, 0x18, name); | |
1684 | ||
1685 | /* INTA -> PIRQA for slot 25 - 31, see the default value of D<N>IR */ | |
1686 | for (i = 0x0019; i < 0x1e; i++) { | |
1687 | name[3] = 'A'; | |
1688 | append_q35_prt_entry(pkg, i, name); | |
1689 | } | |
1690 | ||
1691 | /* PCIe->PCI bridge. use PIRQ[E-H] */ | |
1692 | name[3] = 'E'; | |
1693 | append_q35_prt_entry(pkg, 0x1e, name); | |
1694 | name[3] = 'A'; | |
1695 | append_q35_prt_entry(pkg, 0x1f, name); | |
1696 | ||
1697 | g_free(name); | |
1698 | return pkg; | |
1699 | } | |
1700 | ||
1701 | static void build_q35_pci0_int(Aml *table) | |
1702 | { | |
1703 | Aml *field; | |
1704 | Aml *method; | |
1705 | Aml *sb_scope = aml_scope("_SB"); | |
1706 | Aml *pci0_scope = aml_scope("PCI0"); | |
1707 | ||
1708 | /* Zero => PIC mode, One => APIC Mode */ | |
1709 | aml_append(table, aml_name_decl("PICF", aml_int(0))); | |
1710 | method = aml_method("_PIC", 1, AML_NOTSERIALIZED); | |
1711 | { | |
1712 | aml_append(method, aml_store(aml_arg(0), aml_name("PICF"))); | |
1713 | } | |
1714 | aml_append(table, method); | |
1715 | ||
1716 | aml_append(pci0_scope, | |
1717 | aml_name_decl("PRTP", build_q35_routing_table("LNK"))); | |
1718 | aml_append(pci0_scope, | |
1719 | aml_name_decl("PRTA", build_q35_routing_table("GSI"))); | |
1720 | ||
1721 | method = aml_method("_PRT", 0, AML_NOTSERIALIZED); | |
1722 | { | |
1723 | Aml *if_ctx; | |
1724 | Aml *else_ctx; | |
1725 | ||
1726 | /* PCI IRQ routing table, example from ACPI 2.0a specification, | |
1727 | section 6.2.8.1 */ | |
1728 | /* Note: we provide the same info as the PCI routing | |
1729 | table of the Bochs BIOS */ | |
1730 | if_ctx = aml_if(aml_equal(aml_name("PICF"), aml_int(0))); | |
1731 | aml_append(if_ctx, aml_return(aml_name("PRTP"))); | |
1732 | aml_append(method, if_ctx); | |
1733 | else_ctx = aml_else(); | |
1734 | aml_append(else_ctx, aml_return(aml_name("PRTA"))); | |
1735 | aml_append(method, else_ctx); | |
1736 | } | |
1737 | aml_append(pci0_scope, method); | |
1738 | aml_append(sb_scope, pci0_scope); | |
1739 | ||
1740 | field = aml_field("PCI0.ISA.PIRQ", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); | |
1741 | aml_append(field, aml_named_field("PRQA", 8)); | |
1742 | aml_append(field, aml_named_field("PRQB", 8)); | |
1743 | aml_append(field, aml_named_field("PRQC", 8)); | |
1744 | aml_append(field, aml_named_field("PRQD", 8)); | |
1745 | aml_append(field, aml_reserved_field(0x20)); | |
1746 | aml_append(field, aml_named_field("PRQE", 8)); | |
1747 | aml_append(field, aml_named_field("PRQF", 8)); | |
1748 | aml_append(field, aml_named_field("PRQG", 8)); | |
1749 | aml_append(field, aml_named_field("PRQH", 8)); | |
1750 | aml_append(sb_scope, field); | |
1751 | ||
1752 | aml_append(sb_scope, build_irq_status_method()); | |
1753 | aml_append(sb_scope, build_iqcr_method(false)); | |
1754 | ||
1755 | aml_append(sb_scope, build_link_dev("LNKA", 0, aml_name("PRQA"))); | |
1756 | aml_append(sb_scope, build_link_dev("LNKB", 1, aml_name("PRQB"))); | |
1757 | aml_append(sb_scope, build_link_dev("LNKC", 2, aml_name("PRQC"))); | |
1758 | aml_append(sb_scope, build_link_dev("LNKD", 3, aml_name("PRQD"))); | |
1759 | aml_append(sb_scope, build_link_dev("LNKE", 4, aml_name("PRQE"))); | |
1760 | aml_append(sb_scope, build_link_dev("LNKF", 5, aml_name("PRQF"))); | |
1761 | aml_append(sb_scope, build_link_dev("LNKG", 6, aml_name("PRQG"))); | |
1762 | aml_append(sb_scope, build_link_dev("LNKH", 7, aml_name("PRQH"))); | |
1763 | ||
1764 | aml_append(sb_scope, build_gsi_link_dev("GSIA", 0x10, 0x10)); | |
1765 | aml_append(sb_scope, build_gsi_link_dev("GSIB", 0x11, 0x11)); | |
1766 | aml_append(sb_scope, build_gsi_link_dev("GSIC", 0x12, 0x12)); | |
1767 | aml_append(sb_scope, build_gsi_link_dev("GSID", 0x13, 0x13)); | |
1768 | aml_append(sb_scope, build_gsi_link_dev("GSIE", 0x14, 0x14)); | |
1769 | aml_append(sb_scope, build_gsi_link_dev("GSIF", 0x15, 0x15)); | |
1770 | aml_append(sb_scope, build_gsi_link_dev("GSIG", 0x16, 0x16)); | |
1771 | aml_append(sb_scope, build_gsi_link_dev("GSIH", 0x17, 0x17)); | |
1772 | ||
1773 | aml_append(table, sb_scope); | |
1774 | } | |
1775 | ||
1776 | static void build_q35_isa_bridge(Aml *table) | |
1777 | { | |
1778 | Aml *dev; | |
1779 | Aml *scope; | |
1780 | Aml *field; | |
1781 | ||
1782 | scope = aml_scope("_SB.PCI0"); | |
1783 | dev = aml_device("ISA"); | |
1784 | aml_append(dev, aml_name_decl("_ADR", aml_int(0x001F0000))); | |
1785 | ||
1786 | /* ICH9 PCI to ISA irq remapping */ | |
1787 | aml_append(dev, aml_operation_region("PIRQ", AML_PCI_CONFIG, | |
1788 | aml_int(0x60), 0x0C)); | |
1789 | ||
1790 | aml_append(dev, aml_operation_region("LPCD", AML_PCI_CONFIG, | |
1791 | aml_int(0x80), 0x02)); | |
1792 | field = aml_field("LPCD", AML_ANY_ACC, AML_NOLOCK, AML_PRESERVE); | |
1793 | aml_append(field, aml_named_field("COMA", 3)); | |
1794 | aml_append(field, aml_reserved_field(1)); | |
1795 | aml_append(field, aml_named_field("COMB", 3)); | |
1796 | aml_append(field, aml_reserved_field(1)); | |
1797 | aml_append(field, aml_named_field("LPTD", 2)); | |
1798 | aml_append(dev, field); | |
1799 | ||
1800 | aml_append(dev, aml_operation_region("LPCE", AML_PCI_CONFIG, | |
1801 | aml_int(0x82), 0x02)); | |
1802 | /* enable bits */ | |
1803 | field = aml_field("LPCE", AML_ANY_ACC, AML_NOLOCK, AML_PRESERVE); | |
1804 | aml_append(field, aml_named_field("CAEN", 1)); | |
1805 | aml_append(field, aml_named_field("CBEN", 1)); | |
1806 | aml_append(field, aml_named_field("LPEN", 1)); | |
1807 | aml_append(dev, field); | |
1808 | ||
1809 | aml_append(scope, dev); | |
1810 | aml_append(table, scope); | |
1811 | } | |
1812 | ||
1813 | static void build_piix4_pm(Aml *table) | |
1814 | { | |
1815 | Aml *dev; | |
1816 | Aml *scope; | |
1817 | ||
1818 | scope = aml_scope("_SB.PCI0"); | |
1819 | dev = aml_device("PX13"); | |
1820 | aml_append(dev, aml_name_decl("_ADR", aml_int(0x00010003))); | |
1821 | ||
1822 | aml_append(dev, aml_operation_region("P13C", AML_PCI_CONFIG, | |
1823 | aml_int(0x00), 0xff)); | |
1824 | aml_append(scope, dev); | |
1825 | aml_append(table, scope); | |
1826 | } | |
1827 | ||
1828 | static void build_piix4_isa_bridge(Aml *table) | |
1829 | { | |
1830 | Aml *dev; | |
1831 | Aml *scope; | |
1832 | Aml *field; | |
1833 | ||
1834 | scope = aml_scope("_SB.PCI0"); | |
1835 | dev = aml_device("ISA"); | |
1836 | aml_append(dev, aml_name_decl("_ADR", aml_int(0x00010000))); | |
1837 | ||
1838 | /* PIIX PCI to ISA irq remapping */ | |
1839 | aml_append(dev, aml_operation_region("P40C", AML_PCI_CONFIG, | |
1840 | aml_int(0x60), 0x04)); | |
1841 | /* enable bits */ | |
1842 | field = aml_field("^PX13.P13C", AML_ANY_ACC, AML_NOLOCK, AML_PRESERVE); | |
1843 | /* Offset(0x5f),, 7, */ | |
1844 | aml_append(field, aml_reserved_field(0x2f8)); | |
1845 | aml_append(field, aml_reserved_field(7)); | |
1846 | aml_append(field, aml_named_field("LPEN", 1)); | |
1847 | /* Offset(0x67),, 3, */ | |
1848 | aml_append(field, aml_reserved_field(0x38)); | |
1849 | aml_append(field, aml_reserved_field(3)); | |
1850 | aml_append(field, aml_named_field("CAEN", 1)); | |
1851 | aml_append(field, aml_reserved_field(3)); | |
1852 | aml_append(field, aml_named_field("CBEN", 1)); | |
1853 | aml_append(dev, field); | |
1854 | ||
1855 | aml_append(scope, dev); | |
1856 | aml_append(table, scope); | |
1857 | } | |
1858 | ||
1859 | static void build_piix4_pci_hotplug(Aml *table) | |
1860 | { | |
1861 | Aml *scope; | |
1862 | Aml *field; | |
1863 | Aml *method; | |
1864 | ||
1865 | scope = aml_scope("_SB.PCI0"); | |
1866 | ||
1867 | aml_append(scope, | |
1868 | aml_operation_region("PCST", AML_SYSTEM_IO, aml_int(0xae00), 0x08)); | |
1869 | field = aml_field("PCST", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); | |
1870 | aml_append(field, aml_named_field("PCIU", 32)); | |
1871 | aml_append(field, aml_named_field("PCID", 32)); | |
1872 | aml_append(scope, field); | |
1873 | ||
1874 | aml_append(scope, | |
1875 | aml_operation_region("SEJ", AML_SYSTEM_IO, aml_int(0xae08), 0x04)); | |
1876 | field = aml_field("SEJ", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); | |
1877 | aml_append(field, aml_named_field("B0EJ", 32)); | |
1878 | aml_append(scope, field); | |
1879 | ||
1880 | aml_append(scope, | |
1881 | aml_operation_region("BNMR", AML_SYSTEM_IO, aml_int(0xae10), 0x04)); | |
1882 | field = aml_field("BNMR", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); | |
1883 | aml_append(field, aml_named_field("BNUM", 32)); | |
1884 | aml_append(scope, field); | |
1885 | ||
1886 | aml_append(scope, aml_mutex("BLCK", 0)); | |
1887 | ||
1888 | method = aml_method("PCEJ", 2, AML_NOTSERIALIZED); | |
1889 | aml_append(method, aml_acquire(aml_name("BLCK"), 0xFFFF)); | |
1890 | aml_append(method, aml_store(aml_arg(0), aml_name("BNUM"))); | |
1891 | aml_append(method, | |
1892 | aml_store(aml_shiftleft(aml_int(1), aml_arg(1)), aml_name("B0EJ"))); | |
1893 | aml_append(method, aml_release(aml_name("BLCK"))); | |
1894 | aml_append(method, aml_return(aml_int(0))); | |
1895 | aml_append(scope, method); | |
1896 | ||
1897 | aml_append(table, scope); | |
1898 | } | |
1899 | ||
1900 | static Aml *build_q35_osc_method(void) | |
1901 | { | |
1902 | Aml *if_ctx; | |
1903 | Aml *if_ctx2; | |
1904 | Aml *else_ctx; | |
1905 | Aml *method; | |
1906 | Aml *a_cwd1 = aml_name("CDW1"); | |
1907 | Aml *a_ctrl = aml_name("CTRL"); | |
1908 | ||
1909 | method = aml_method("_OSC", 4, AML_NOTSERIALIZED); | |
1910 | aml_append(method, aml_create_dword_field(aml_arg(3), aml_int(0), "CDW1")); | |
1911 | ||
1912 | if_ctx = aml_if(aml_equal( | |
1913 | aml_arg(0), aml_touuid("33DB4D5B-1FF7-401C-9657-7441C03DD766"))); | |
1914 | aml_append(if_ctx, aml_create_dword_field(aml_arg(3), aml_int(4), "CDW2")); | |
1915 | aml_append(if_ctx, aml_create_dword_field(aml_arg(3), aml_int(8), "CDW3")); | |
1916 | ||
1917 | aml_append(if_ctx, aml_store(aml_name("CDW2"), aml_name("SUPP"))); | |
1918 | aml_append(if_ctx, aml_store(aml_name("CDW3"), a_ctrl)); | |
1919 | ||
1920 | /* | |
1921 | * Always allow native PME, AER (no dependencies) | |
1922 | * Never allow SHPC (no SHPC controller in this system) | |
1923 | */ | |
1924 | aml_append(if_ctx, aml_and(a_ctrl, aml_int(0x1D), a_ctrl)); | |
1925 | ||
1926 | if_ctx2 = aml_if(aml_lnot(aml_equal(aml_arg(1), aml_int(1)))); | |
1927 | /* Unknown revision */ | |
1928 | aml_append(if_ctx2, aml_or(a_cwd1, aml_int(0x08), a_cwd1)); | |
1929 | aml_append(if_ctx, if_ctx2); | |
1930 | ||
1931 | if_ctx2 = aml_if(aml_lnot(aml_equal(aml_name("CDW3"), a_ctrl))); | |
1932 | /* Capabilities bits were masked */ | |
1933 | aml_append(if_ctx2, aml_or(a_cwd1, aml_int(0x10), a_cwd1)); | |
1934 | aml_append(if_ctx, if_ctx2); | |
1935 | ||
1936 | /* Update DWORD3 in the buffer */ | |
1937 | aml_append(if_ctx, aml_store(a_ctrl, aml_name("CDW3"))); | |
1938 | aml_append(method, if_ctx); | |
1939 | ||
1940 | else_ctx = aml_else(); | |
1941 | /* Unrecognized UUID */ | |
1942 | aml_append(else_ctx, aml_or(a_cwd1, aml_int(4), a_cwd1)); | |
1943 | aml_append(method, else_ctx); | |
1944 | ||
1945 | aml_append(method, aml_return(aml_arg(3))); | |
1946 | return method; | |
1947 | } | |
1948 | ||
1949 | static void | |
1950 | build_dsdt(GArray *table_data, BIOSLinker *linker, | |
1951 | AcpiPmInfo *pm, AcpiMiscInfo *misc, | |
1952 | Range *pci_hole, Range *pci_hole64, MachineState *machine) | |
1953 | { | |
1954 | CrsRangeEntry *entry; | |
1955 | Aml *dsdt, *sb_scope, *scope, *dev, *method, *field, *pkg, *crs; | |
1956 | CrsRangeSet crs_range_set; | |
1957 | PCMachineState *pcms = PC_MACHINE(machine); | |
1958 | PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(machine); | |
1959 | uint32_t nr_mem = machine->ram_slots; | |
1960 | int root_bus_limit = 0xFF; | |
1961 | PCIBus *bus = NULL; | |
1962 | int i; | |
1963 | ||
1964 | dsdt = init_aml_allocator(); | |
1965 | ||
1966 | /* Reserve space for header */ | |
1967 | acpi_data_push(dsdt->buf, sizeof(AcpiTableHeader)); | |
1968 | ||
1969 | build_dbg_aml(dsdt); | |
1970 | if (misc->is_piix4) { | |
1971 | sb_scope = aml_scope("_SB"); | |
1972 | dev = aml_device("PCI0"); | |
1973 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A03"))); | |
1974 | aml_append(dev, aml_name_decl("_ADR", aml_int(0))); | |
1975 | aml_append(dev, aml_name_decl("_UID", aml_int(1))); | |
1976 | aml_append(sb_scope, dev); | |
1977 | aml_append(dsdt, sb_scope); | |
1978 | ||
1979 | build_hpet_aml(dsdt); | |
1980 | build_piix4_pm(dsdt); | |
1981 | build_piix4_isa_bridge(dsdt); | |
1982 | build_isa_devices_aml(dsdt); | |
1983 | build_piix4_pci_hotplug(dsdt); | |
1984 | build_piix4_pci0_int(dsdt); | |
1985 | } else { | |
1986 | sb_scope = aml_scope("_SB"); | |
1987 | aml_append(sb_scope, | |
1988 | aml_operation_region("PCST", AML_SYSTEM_IO, aml_int(0xae00), 0x0c)); | |
1989 | aml_append(sb_scope, | |
1990 | aml_operation_region("PCSB", AML_SYSTEM_IO, aml_int(0xae0c), 0x01)); | |
1991 | field = aml_field("PCSB", AML_ANY_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); | |
1992 | aml_append(field, aml_named_field("PCIB", 8)); | |
1993 | aml_append(sb_scope, field); | |
1994 | aml_append(dsdt, sb_scope); | |
1995 | ||
1996 | sb_scope = aml_scope("_SB"); | |
1997 | dev = aml_device("PCI0"); | |
1998 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A08"))); | |
1999 | aml_append(dev, aml_name_decl("_CID", aml_eisaid("PNP0A03"))); | |
2000 | aml_append(dev, aml_name_decl("_ADR", aml_int(0))); | |
2001 | aml_append(dev, aml_name_decl("_UID", aml_int(1))); | |
2002 | aml_append(dev, aml_name_decl("SUPP", aml_int(0))); | |
2003 | aml_append(dev, aml_name_decl("CTRL", aml_int(0))); | |
2004 | aml_append(dev, build_q35_osc_method()); | |
2005 | aml_append(sb_scope, dev); | |
2006 | aml_append(dsdt, sb_scope); | |
2007 | ||
2008 | build_hpet_aml(dsdt); | |
2009 | build_q35_isa_bridge(dsdt); | |
2010 | build_isa_devices_aml(dsdt); | |
2011 | build_q35_pci0_int(dsdt); | |
2012 | } | |
2013 | ||
2014 | if (pcmc->legacy_cpu_hotplug) { | |
2015 | build_legacy_cpu_hotplug_aml(dsdt, machine, pm->cpu_hp_io_base); | |
2016 | } else { | |
2017 | CPUHotplugFeatures opts = { | |
2018 | .apci_1_compatible = true, .has_legacy_cphp = true | |
2019 | }; | |
2020 | build_cpus_aml(dsdt, machine, opts, pm->cpu_hp_io_base, | |
2021 | "\\_SB.PCI0", "\\_GPE._E02"); | |
2022 | } | |
2023 | build_memory_hotplug_aml(dsdt, nr_mem, pm->mem_hp_io_base, | |
2024 | pm->mem_hp_io_len); | |
2025 | ||
2026 | scope = aml_scope("_GPE"); | |
2027 | { | |
2028 | aml_append(scope, aml_name_decl("_HID", aml_string("ACPI0006"))); | |
2029 | ||
2030 | if (misc->is_piix4) { | |
2031 | method = aml_method("_E01", 0, AML_NOTSERIALIZED); | |
2032 | aml_append(method, | |
2033 | aml_acquire(aml_name("\\_SB.PCI0.BLCK"), 0xFFFF)); | |
2034 | aml_append(method, aml_call0("\\_SB.PCI0.PCNT")); | |
2035 | aml_append(method, aml_release(aml_name("\\_SB.PCI0.BLCK"))); | |
2036 | aml_append(scope, method); | |
2037 | } | |
2038 | ||
2039 | method = aml_method("_E03", 0, AML_NOTSERIALIZED); | |
2040 | aml_append(method, aml_call0(MEMORY_HOTPLUG_HANDLER_PATH)); | |
2041 | aml_append(scope, method); | |
2042 | } | |
2043 | aml_append(dsdt, scope); | |
2044 | ||
2045 | crs_range_set_init(&crs_range_set); | |
2046 | bus = PC_MACHINE(machine)->bus; | |
2047 | if (bus) { | |
2048 | QLIST_FOREACH(bus, &bus->child, sibling) { | |
2049 | uint8_t bus_num = pci_bus_num(bus); | |
2050 | uint8_t numa_node = pci_bus_numa_node(bus); | |
2051 | ||
2052 | /* look only for expander root buses */ | |
2053 | if (!pci_bus_is_root(bus)) { | |
2054 | continue; | |
2055 | } | |
2056 | ||
2057 | if (bus_num < root_bus_limit) { | |
2058 | root_bus_limit = bus_num - 1; | |
2059 | } | |
2060 | ||
2061 | scope = aml_scope("\\_SB"); | |
2062 | dev = aml_device("PC%.02X", bus_num); | |
2063 | aml_append(dev, aml_name_decl("_UID", aml_int(bus_num))); | |
2064 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A03"))); | |
2065 | aml_append(dev, aml_name_decl("_BBN", aml_int(bus_num))); | |
2066 | ||
2067 | if (numa_node != NUMA_NODE_UNASSIGNED) { | |
2068 | aml_append(dev, aml_name_decl("_PXM", aml_int(numa_node))); | |
2069 | } | |
2070 | ||
2071 | aml_append(dev, build_prt(false)); | |
2072 | crs = build_crs(PCI_HOST_BRIDGE(BUS(bus)->parent), &crs_range_set); | |
2073 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
2074 | aml_append(scope, dev); | |
2075 | aml_append(dsdt, scope); | |
2076 | } | |
2077 | } | |
2078 | ||
2079 | scope = aml_scope("\\_SB.PCI0"); | |
2080 | /* build PCI0._CRS */ | |
2081 | crs = aml_resource_template(); | |
2082 | aml_append(crs, | |
2083 | aml_word_bus_number(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE, | |
2084 | 0x0000, 0x0, root_bus_limit, | |
2085 | 0x0000, root_bus_limit + 1)); | |
2086 | aml_append(crs, aml_io(AML_DECODE16, 0x0CF8, 0x0CF8, 0x01, 0x08)); | |
2087 | ||
2088 | aml_append(crs, | |
2089 | aml_word_io(AML_MIN_FIXED, AML_MAX_FIXED, | |
2090 | AML_POS_DECODE, AML_ENTIRE_RANGE, | |
2091 | 0x0000, 0x0000, 0x0CF7, 0x0000, 0x0CF8)); | |
2092 | ||
2093 | crs_replace_with_free_ranges(crs_range_set.io_ranges, 0x0D00, 0xFFFF); | |
2094 | for (i = 0; i < crs_range_set.io_ranges->len; i++) { | |
2095 | entry = g_ptr_array_index(crs_range_set.io_ranges, i); | |
2096 | aml_append(crs, | |
2097 | aml_word_io(AML_MIN_FIXED, AML_MAX_FIXED, | |
2098 | AML_POS_DECODE, AML_ENTIRE_RANGE, | |
2099 | 0x0000, entry->base, entry->limit, | |
2100 | 0x0000, entry->limit - entry->base + 1)); | |
2101 | } | |
2102 | ||
2103 | aml_append(crs, | |
2104 | aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED, | |
2105 | AML_CACHEABLE, AML_READ_WRITE, | |
2106 | 0, 0x000A0000, 0x000BFFFF, 0, 0x00020000)); | |
2107 | ||
2108 | crs_replace_with_free_ranges(crs_range_set.mem_ranges, | |
2109 | range_lob(pci_hole), | |
2110 | range_upb(pci_hole)); | |
2111 | for (i = 0; i < crs_range_set.mem_ranges->len; i++) { | |
2112 | entry = g_ptr_array_index(crs_range_set.mem_ranges, i); | |
2113 | aml_append(crs, | |
2114 | aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED, | |
2115 | AML_NON_CACHEABLE, AML_READ_WRITE, | |
2116 | 0, entry->base, entry->limit, | |
2117 | 0, entry->limit - entry->base + 1)); | |
2118 | } | |
2119 | ||
2120 | if (!range_is_empty(pci_hole64)) { | |
2121 | crs_replace_with_free_ranges(crs_range_set.mem_64bit_ranges, | |
2122 | range_lob(pci_hole64), | |
2123 | range_upb(pci_hole64)); | |
2124 | for (i = 0; i < crs_range_set.mem_64bit_ranges->len; i++) { | |
2125 | entry = g_ptr_array_index(crs_range_set.mem_64bit_ranges, i); | |
2126 | aml_append(crs, | |
2127 | aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, | |
2128 | AML_MAX_FIXED, | |
2129 | AML_CACHEABLE, AML_READ_WRITE, | |
2130 | 0, entry->base, entry->limit, | |
2131 | 0, entry->limit - entry->base + 1)); | |
2132 | } | |
2133 | } | |
2134 | ||
2135 | if (misc->tpm_version != TPM_VERSION_UNSPEC) { | |
2136 | aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE, | |
2137 | TPM_TIS_ADDR_SIZE, AML_READ_WRITE)); | |
2138 | } | |
2139 | aml_append(scope, aml_name_decl("_CRS", crs)); | |
2140 | ||
2141 | /* reserve GPE0 block resources */ | |
2142 | dev = aml_device("GPE0"); | |
2143 | aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A06"))); | |
2144 | aml_append(dev, aml_name_decl("_UID", aml_string("GPE0 resources"))); | |
2145 | /* device present, functioning, decoding, not shown in UI */ | |
2146 | aml_append(dev, aml_name_decl("_STA", aml_int(0xB))); | |
2147 | crs = aml_resource_template(); | |
2148 | aml_append(crs, | |
2149 | aml_io(AML_DECODE16, pm->gpe0_blk, pm->gpe0_blk, 1, pm->gpe0_blk_len) | |
2150 | ); | |
2151 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
2152 | aml_append(scope, dev); | |
2153 | ||
2154 | crs_range_set_free(&crs_range_set); | |
2155 | ||
2156 | /* reserve PCIHP resources */ | |
2157 | if (pm->pcihp_io_len) { | |
2158 | dev = aml_device("PHPR"); | |
2159 | aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A06"))); | |
2160 | aml_append(dev, | |
2161 | aml_name_decl("_UID", aml_string("PCI Hotplug resources"))); | |
2162 | /* device present, functioning, decoding, not shown in UI */ | |
2163 | aml_append(dev, aml_name_decl("_STA", aml_int(0xB))); | |
2164 | crs = aml_resource_template(); | |
2165 | aml_append(crs, | |
2166 | aml_io(AML_DECODE16, pm->pcihp_io_base, pm->pcihp_io_base, 1, | |
2167 | pm->pcihp_io_len) | |
2168 | ); | |
2169 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
2170 | aml_append(scope, dev); | |
2171 | } | |
2172 | aml_append(dsdt, scope); | |
2173 | ||
2174 | /* create S3_ / S4_ / S5_ packages if necessary */ | |
2175 | scope = aml_scope("\\"); | |
2176 | if (!pm->s3_disabled) { | |
2177 | pkg = aml_package(4); | |
2178 | aml_append(pkg, aml_int(1)); /* PM1a_CNT.SLP_TYP */ | |
2179 | aml_append(pkg, aml_int(1)); /* PM1b_CNT.SLP_TYP, FIXME: not impl. */ | |
2180 | aml_append(pkg, aml_int(0)); /* reserved */ | |
2181 | aml_append(pkg, aml_int(0)); /* reserved */ | |
2182 | aml_append(scope, aml_name_decl("_S3", pkg)); | |
2183 | } | |
2184 | ||
2185 | if (!pm->s4_disabled) { | |
2186 | pkg = aml_package(4); | |
2187 | aml_append(pkg, aml_int(pm->s4_val)); /* PM1a_CNT.SLP_TYP */ | |
2188 | /* PM1b_CNT.SLP_TYP, FIXME: not impl. */ | |
2189 | aml_append(pkg, aml_int(pm->s4_val)); | |
2190 | aml_append(pkg, aml_int(0)); /* reserved */ | |
2191 | aml_append(pkg, aml_int(0)); /* reserved */ | |
2192 | aml_append(scope, aml_name_decl("_S4", pkg)); | |
2193 | } | |
2194 | ||
2195 | pkg = aml_package(4); | |
2196 | aml_append(pkg, aml_int(0)); /* PM1a_CNT.SLP_TYP */ | |
2197 | aml_append(pkg, aml_int(0)); /* PM1b_CNT.SLP_TYP not impl. */ | |
2198 | aml_append(pkg, aml_int(0)); /* reserved */ | |
2199 | aml_append(pkg, aml_int(0)); /* reserved */ | |
2200 | aml_append(scope, aml_name_decl("_S5", pkg)); | |
2201 | aml_append(dsdt, scope); | |
2202 | ||
2203 | /* create fw_cfg node, unconditionally */ | |
2204 | { | |
2205 | /* when using port i/o, the 8-bit data register *always* overlaps | |
2206 | * with half of the 16-bit control register. Hence, the total size | |
2207 | * of the i/o region used is FW_CFG_CTL_SIZE; when using DMA, the | |
2208 | * DMA control register is located at FW_CFG_DMA_IO_BASE + 4 */ | |
2209 | uint8_t io_size = object_property_get_bool(OBJECT(pcms->fw_cfg), | |
2210 | "dma_enabled", NULL) ? | |
2211 | ROUND_UP(FW_CFG_CTL_SIZE, 4) + sizeof(dma_addr_t) : | |
2212 | FW_CFG_CTL_SIZE; | |
2213 | ||
2214 | scope = aml_scope("\\_SB.PCI0"); | |
2215 | dev = aml_device("FWCF"); | |
2216 | ||
2217 | aml_append(dev, aml_name_decl("_HID", aml_string("QEMU0002"))); | |
2218 | ||
2219 | /* device present, functioning, decoding, not shown in UI */ | |
2220 | aml_append(dev, aml_name_decl("_STA", aml_int(0xB))); | |
2221 | ||
2222 | crs = aml_resource_template(); | |
2223 | aml_append(crs, | |
2224 | aml_io(AML_DECODE16, FW_CFG_IO_BASE, FW_CFG_IO_BASE, 0x01, io_size) | |
2225 | ); | |
2226 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
2227 | ||
2228 | aml_append(scope, dev); | |
2229 | aml_append(dsdt, scope); | |
2230 | } | |
2231 | ||
2232 | if (misc->applesmc_io_base) { | |
2233 | scope = aml_scope("\\_SB.PCI0.ISA"); | |
2234 | dev = aml_device("SMC"); | |
2235 | ||
2236 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("APP0001"))); | |
2237 | /* device present, functioning, decoding, not shown in UI */ | |
2238 | aml_append(dev, aml_name_decl("_STA", aml_int(0xB))); | |
2239 | ||
2240 | crs = aml_resource_template(); | |
2241 | aml_append(crs, | |
2242 | aml_io(AML_DECODE16, misc->applesmc_io_base, misc->applesmc_io_base, | |
2243 | 0x01, APPLESMC_MAX_DATA_LENGTH) | |
2244 | ); | |
2245 | aml_append(crs, aml_irq_no_flags(6)); | |
2246 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
2247 | ||
2248 | aml_append(scope, dev); | |
2249 | aml_append(dsdt, scope); | |
2250 | } | |
2251 | ||
2252 | if (misc->pvpanic_port) { | |
2253 | scope = aml_scope("\\_SB.PCI0.ISA"); | |
2254 | ||
2255 | dev = aml_device("PEVT"); | |
2256 | aml_append(dev, aml_name_decl("_HID", aml_string("QEMU0001"))); | |
2257 | ||
2258 | crs = aml_resource_template(); | |
2259 | aml_append(crs, | |
2260 | aml_io(AML_DECODE16, misc->pvpanic_port, misc->pvpanic_port, 1, 1) | |
2261 | ); | |
2262 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
2263 | ||
2264 | aml_append(dev, aml_operation_region("PEOR", AML_SYSTEM_IO, | |
2265 | aml_int(misc->pvpanic_port), 1)); | |
2266 | field = aml_field("PEOR", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); | |
2267 | aml_append(field, aml_named_field("PEPT", 8)); | |
2268 | aml_append(dev, field); | |
2269 | ||
2270 | /* device present, functioning, decoding, shown in UI */ | |
2271 | aml_append(dev, aml_name_decl("_STA", aml_int(0xF))); | |
2272 | ||
2273 | method = aml_method("RDPT", 0, AML_NOTSERIALIZED); | |
2274 | aml_append(method, aml_store(aml_name("PEPT"), aml_local(0))); | |
2275 | aml_append(method, aml_return(aml_local(0))); | |
2276 | aml_append(dev, method); | |
2277 | ||
2278 | method = aml_method("WRPT", 1, AML_NOTSERIALIZED); | |
2279 | aml_append(method, aml_store(aml_arg(0), aml_name("PEPT"))); | |
2280 | aml_append(dev, method); | |
2281 | ||
2282 | aml_append(scope, dev); | |
2283 | aml_append(dsdt, scope); | |
2284 | } | |
2285 | ||
2286 | sb_scope = aml_scope("\\_SB"); | |
2287 | { | |
2288 | build_memory_devices(sb_scope, nr_mem, pm->mem_hp_io_base, | |
2289 | pm->mem_hp_io_len); | |
2290 | ||
2291 | { | |
2292 | Object *pci_host; | |
2293 | PCIBus *bus = NULL; | |
2294 | ||
2295 | pci_host = acpi_get_i386_pci_host(); | |
2296 | if (pci_host) { | |
2297 | bus = PCI_HOST_BRIDGE(pci_host)->bus; | |
2298 | } | |
2299 | ||
2300 | if (bus) { | |
2301 | Aml *scope = aml_scope("PCI0"); | |
2302 | /* Scan all PCI buses. Generate tables to support hotplug. */ | |
2303 | build_append_pci_bus_devices(scope, bus, pm->pcihp_bridge_en); | |
2304 | ||
2305 | if (misc->tpm_version != TPM_VERSION_UNSPEC) { | |
2306 | dev = aml_device("ISA.TPM"); | |
2307 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C31"))); | |
2308 | aml_append(dev, aml_name_decl("_STA", aml_int(0xF))); | |
2309 | crs = aml_resource_template(); | |
2310 | aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE, | |
2311 | TPM_TIS_ADDR_SIZE, AML_READ_WRITE)); | |
2312 | /* | |
2313 | FIXME: TPM_TIS_IRQ=5 conflicts with PNP0C0F irqs, | |
2314 | Rewrite to take IRQ from TPM device model and | |
2315 | fix default IRQ value there to use some unused IRQ | |
2316 | */ | |
2317 | /* aml_append(crs, aml_irq_no_flags(TPM_TIS_IRQ)); */ | |
2318 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
2319 | aml_append(scope, dev); | |
2320 | } | |
2321 | ||
2322 | aml_append(sb_scope, scope); | |
2323 | } | |
2324 | } | |
2325 | aml_append(dsdt, sb_scope); | |
2326 | } | |
2327 | ||
2328 | /* copy AML table into ACPI tables blob and patch header there */ | |
2329 | g_array_append_vals(table_data, dsdt->buf->data, dsdt->buf->len); | |
2330 | build_header(linker, table_data, | |
2331 | (void *)(table_data->data + table_data->len - dsdt->buf->len), | |
2332 | "DSDT", dsdt->buf->len, 1, NULL, NULL); | |
2333 | free_aml_allocator(); | |
2334 | } | |
2335 | ||
2336 | static void | |
2337 | build_hpet(GArray *table_data, BIOSLinker *linker) | |
2338 | { | |
2339 | Acpi20Hpet *hpet; | |
2340 | ||
2341 | hpet = acpi_data_push(table_data, sizeof(*hpet)); | |
2342 | /* Note timer_block_id value must be kept in sync with value advertised by | |
2343 | * emulated hpet | |
2344 | */ | |
2345 | hpet->timer_block_id = cpu_to_le32(0x8086a201); | |
2346 | hpet->addr.address = cpu_to_le64(HPET_BASE); | |
2347 | build_header(linker, table_data, | |
2348 | (void *)hpet, "HPET", sizeof(*hpet), 1, NULL, NULL); | |
2349 | } | |
2350 | ||
2351 | static void | |
2352 | build_tpm_tcpa(GArray *table_data, BIOSLinker *linker, GArray *tcpalog) | |
2353 | { | |
2354 | Acpi20Tcpa *tcpa = acpi_data_push(table_data, sizeof *tcpa); | |
2355 | unsigned log_addr_size = sizeof(tcpa->log_area_start_address); | |
2356 | unsigned log_addr_offset = | |
2357 | (char *)&tcpa->log_area_start_address - table_data->data; | |
2358 | ||
2359 | tcpa->platform_class = cpu_to_le16(TPM_TCPA_ACPI_CLASS_CLIENT); | |
2360 | tcpa->log_area_minimum_length = cpu_to_le32(TPM_LOG_AREA_MINIMUM_SIZE); | |
2361 | acpi_data_push(tcpalog, le32_to_cpu(tcpa->log_area_minimum_length)); | |
2362 | ||
2363 | bios_linker_loader_alloc(linker, ACPI_BUILD_TPMLOG_FILE, tcpalog, 1, | |
2364 | false /* high memory */); | |
2365 | ||
2366 | /* log area start address to be filled by Guest linker */ | |
2367 | bios_linker_loader_add_pointer(linker, | |
2368 | ACPI_BUILD_TABLE_FILE, log_addr_offset, log_addr_size, | |
2369 | ACPI_BUILD_TPMLOG_FILE, 0); | |
2370 | ||
2371 | build_header(linker, table_data, | |
2372 | (void *)tcpa, "TCPA", sizeof(*tcpa), 2, NULL, NULL); | |
2373 | } | |
2374 | ||
2375 | static void | |
2376 | build_tpm2(GArray *table_data, BIOSLinker *linker) | |
2377 | { | |
2378 | Acpi20TPM2 *tpm2_ptr; | |
2379 | ||
2380 | tpm2_ptr = acpi_data_push(table_data, sizeof *tpm2_ptr); | |
2381 | ||
2382 | tpm2_ptr->platform_class = cpu_to_le16(TPM2_ACPI_CLASS_CLIENT); | |
2383 | tpm2_ptr->control_area_address = cpu_to_le64(0); | |
2384 | tpm2_ptr->start_method = cpu_to_le32(TPM2_START_METHOD_MMIO); | |
2385 | ||
2386 | build_header(linker, table_data, | |
2387 | (void *)tpm2_ptr, "TPM2", sizeof(*tpm2_ptr), 4, NULL, NULL); | |
2388 | } | |
2389 | ||
2390 | static void | |
2391 | build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) | |
2392 | { | |
2393 | AcpiSystemResourceAffinityTable *srat; | |
2394 | AcpiSratProcessorAffinity *core; | |
2395 | AcpiSratMemoryAffinity *numamem; | |
2396 | ||
2397 | int i; | |
2398 | int srat_start, numa_start, slots; | |
2399 | uint64_t mem_len, mem_base, next_base; | |
2400 | MachineClass *mc = MACHINE_GET_CLASS(machine); | |
2401 | CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(machine); | |
2402 | PCMachineState *pcms = PC_MACHINE(machine); | |
2403 | ram_addr_t hotplugabble_address_space_size = | |
2404 | object_property_get_int(OBJECT(pcms), PC_MACHINE_MEMHP_REGION_SIZE, | |
2405 | NULL); | |
2406 | ||
2407 | srat_start = table_data->len; | |
2408 | ||
2409 | srat = acpi_data_push(table_data, sizeof *srat); | |
2410 | srat->reserved1 = cpu_to_le32(1); | |
2411 | ||
2412 | for (i = 0; i < apic_ids->len; i++) { | |
2413 | int j = numa_get_node_for_cpu(i); | |
2414 | int apic_id = apic_ids->cpus[i].arch_id; | |
2415 | ||
2416 | core = acpi_data_push(table_data, sizeof *core); | |
2417 | core->type = ACPI_SRAT_PROCESSOR_APIC; | |
2418 | core->length = sizeof(*core); | |
2419 | core->local_apic_id = apic_id; | |
2420 | if (j < nb_numa_nodes) { | |
2421 | core->proximity_lo = j; | |
2422 | } | |
2423 | memset(core->proximity_hi, 0, 3); | |
2424 | core->local_sapic_eid = 0; | |
2425 | core->flags = cpu_to_le32(1); | |
2426 | } | |
2427 | ||
2428 | ||
2429 | /* the memory map is a bit tricky, it contains at least one hole | |
2430 | * from 640k-1M and possibly another one from 3.5G-4G. | |
2431 | */ | |
2432 | next_base = 0; | |
2433 | numa_start = table_data->len; | |
2434 | ||
2435 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
2436 | build_srat_memory(numamem, 0, 640 * 1024, 0, MEM_AFFINITY_ENABLED); | |
2437 | next_base = 1024 * 1024; | |
2438 | for (i = 1; i < pcms->numa_nodes + 1; ++i) { | |
2439 | mem_base = next_base; | |
2440 | mem_len = pcms->node_mem[i - 1]; | |
2441 | if (i == 1) { | |
2442 | mem_len -= 1024 * 1024; | |
2443 | } | |
2444 | next_base = mem_base + mem_len; | |
2445 | ||
2446 | /* Cut out the ACPI_PCI hole */ | |
2447 | if (mem_base <= pcms->below_4g_mem_size && | |
2448 | next_base > pcms->below_4g_mem_size) { | |
2449 | mem_len -= next_base - pcms->below_4g_mem_size; | |
2450 | if (mem_len > 0) { | |
2451 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
2452 | build_srat_memory(numamem, mem_base, mem_len, i - 1, | |
2453 | MEM_AFFINITY_ENABLED); | |
2454 | } | |
2455 | mem_base = 1ULL << 32; | |
2456 | mem_len = next_base - pcms->below_4g_mem_size; | |
2457 | next_base += (1ULL << 32) - pcms->below_4g_mem_size; | |
2458 | } | |
2459 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
2460 | build_srat_memory(numamem, mem_base, mem_len, i - 1, | |
2461 | MEM_AFFINITY_ENABLED); | |
2462 | } | |
2463 | slots = (table_data->len - numa_start) / sizeof *numamem; | |
2464 | for (; slots < pcms->numa_nodes + 2; slots++) { | |
2465 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
2466 | build_srat_memory(numamem, 0, 0, 0, MEM_AFFINITY_NOFLAGS); | |
2467 | } | |
2468 | ||
2469 | /* | |
2470 | * Entry is required for Windows to enable memory hotplug in OS. | |
2471 | * Memory devices may override proximity set by this entry, | |
2472 | * providing _PXM method if necessary. | |
2473 | */ | |
2474 | if (hotplugabble_address_space_size) { | |
2475 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
2476 | build_srat_memory(numamem, pcms->hotplug_memory.base, | |
2477 | hotplugabble_address_space_size, 0, | |
2478 | MEM_AFFINITY_HOTPLUGGABLE | MEM_AFFINITY_ENABLED); | |
2479 | } | |
2480 | ||
2481 | build_header(linker, table_data, | |
2482 | (void *)(table_data->data + srat_start), | |
2483 | "SRAT", | |
2484 | table_data->len - srat_start, 1, NULL, NULL); | |
2485 | g_free(apic_ids); | |
2486 | } | |
2487 | ||
2488 | static void | |
2489 | build_mcfg_q35(GArray *table_data, BIOSLinker *linker, AcpiMcfgInfo *info) | |
2490 | { | |
2491 | AcpiTableMcfg *mcfg; | |
2492 | const char *sig; | |
2493 | int len = sizeof(*mcfg) + 1 * sizeof(mcfg->allocation[0]); | |
2494 | ||
2495 | mcfg = acpi_data_push(table_data, len); | |
2496 | mcfg->allocation[0].address = cpu_to_le64(info->mcfg_base); | |
2497 | /* Only a single allocation so no need to play with segments */ | |
2498 | mcfg->allocation[0].pci_segment = cpu_to_le16(0); | |
2499 | mcfg->allocation[0].start_bus_number = 0; | |
2500 | mcfg->allocation[0].end_bus_number = PCIE_MMCFG_BUS(info->mcfg_size - 1); | |
2501 | ||
2502 | /* MCFG is used for ECAM which can be enabled or disabled by guest. | |
2503 | * To avoid table size changes (which create migration issues), | |
2504 | * always create the table even if there are no allocations, | |
2505 | * but set the signature to a reserved value in this case. | |
2506 | * ACPI spec requires OSPMs to ignore such tables. | |
2507 | */ | |
2508 | if (info->mcfg_base == PCIE_BASE_ADDR_UNMAPPED) { | |
2509 | /* Reserved signature: ignored by OSPM */ | |
2510 | sig = "QEMU"; | |
2511 | } else { | |
2512 | sig = "MCFG"; | |
2513 | } | |
2514 | build_header(linker, table_data, (void *)mcfg, sig, len, 1, NULL, NULL); | |
2515 | } | |
2516 | ||
2517 | /* | |
2518 | * VT-d spec 8.1 DMA Remapping Reporting Structure | |
2519 | * (version Oct. 2014 or later) | |
2520 | */ | |
2521 | static void | |
2522 | build_dmar_q35(GArray *table_data, BIOSLinker *linker) | |
2523 | { | |
2524 | int dmar_start = table_data->len; | |
2525 | ||
2526 | AcpiTableDmar *dmar; | |
2527 | AcpiDmarHardwareUnit *drhd; | |
2528 | uint8_t dmar_flags = 0; | |
2529 | X86IOMMUState *iommu = x86_iommu_get_default(); | |
2530 | AcpiDmarDeviceScope *scope = NULL; | |
2531 | /* Root complex IOAPIC use one path[0] only */ | |
2532 | size_t ioapic_scope_size = sizeof(*scope) + sizeof(scope->path[0]); | |
2533 | ||
2534 | assert(iommu); | |
2535 | if (iommu->intr_supported) { | |
2536 | dmar_flags |= 0x1; /* Flags: 0x1: INT_REMAP */ | |
2537 | } | |
2538 | ||
2539 | dmar = acpi_data_push(table_data, sizeof(*dmar)); | |
2540 | dmar->host_address_width = VTD_HOST_ADDRESS_WIDTH - 1; | |
2541 | dmar->flags = dmar_flags; | |
2542 | ||
2543 | /* DMAR Remapping Hardware Unit Definition structure */ | |
2544 | drhd = acpi_data_push(table_data, sizeof(*drhd) + ioapic_scope_size); | |
2545 | drhd->type = cpu_to_le16(ACPI_DMAR_TYPE_HARDWARE_UNIT); | |
2546 | drhd->length = cpu_to_le16(sizeof(*drhd) + ioapic_scope_size); | |
2547 | drhd->flags = ACPI_DMAR_INCLUDE_PCI_ALL; | |
2548 | drhd->pci_segment = cpu_to_le16(0); | |
2549 | drhd->address = cpu_to_le64(Q35_HOST_BRIDGE_IOMMU_ADDR); | |
2550 | ||
2551 | /* Scope definition for the root-complex IOAPIC. See VT-d spec | |
2552 | * 8.3.1 (version Oct. 2014 or later). */ | |
2553 | scope = &drhd->scope[0]; | |
2554 | scope->entry_type = 0x03; /* Type: 0x03 for IOAPIC */ | |
2555 | scope->length = ioapic_scope_size; | |
2556 | scope->enumeration_id = ACPI_BUILD_IOAPIC_ID; | |
2557 | scope->bus = Q35_PSEUDO_BUS_PLATFORM; | |
2558 | scope->path[0] = cpu_to_le16(Q35_PSEUDO_DEVFN_IOAPIC); | |
2559 | ||
2560 | build_header(linker, table_data, (void *)(table_data->data + dmar_start), | |
2561 | "DMAR", table_data->len - dmar_start, 1, NULL, NULL); | |
2562 | } | |
2563 | /* | |
2564 | * IVRS table as specified in AMD IOMMU Specification v2.62, Section 5.2 | |
2565 | * accessible here http://support.amd.com/TechDocs/48882_IOMMU.pdf | |
2566 | */ | |
2567 | static void | |
2568 | build_amd_iommu(GArray *table_data, BIOSLinker *linker) | |
2569 | { | |
2570 | int iommu_start = table_data->len; | |
2571 | AMDVIState *s = AMD_IOMMU_DEVICE(x86_iommu_get_default()); | |
2572 | ||
2573 | /* IVRS header */ | |
2574 | acpi_data_push(table_data, sizeof(AcpiTableHeader)); | |
2575 | /* IVinfo - IO virtualization information common to all | |
2576 | * IOMMU units in a system | |
2577 | */ | |
2578 | build_append_int_noprefix(table_data, 40UL << 8/* PASize */, 4); | |
2579 | /* reserved */ | |
2580 | build_append_int_noprefix(table_data, 0, 8); | |
2581 | ||
2582 | /* IVHD definition - type 10h */ | |
2583 | build_append_int_noprefix(table_data, 0x10, 1); | |
2584 | /* virtualization flags */ | |
2585 | build_append_int_noprefix(table_data, | |
2586 | (1UL << 0) | /* HtTunEn */ | |
2587 | (1UL << 4) | /* iotblSup */ | |
2588 | (1UL << 6) | /* PrefSup */ | |
2589 | (1UL << 7), /* PPRSup */ | |
2590 | 1); | |
2591 | /* IVHD length */ | |
2592 | build_append_int_noprefix(table_data, 0x24, 2); | |
2593 | /* DeviceID */ | |
2594 | build_append_int_noprefix(table_data, s->devid, 2); | |
2595 | /* Capability offset */ | |
2596 | build_append_int_noprefix(table_data, s->capab_offset, 2); | |
2597 | /* IOMMU base address */ | |
2598 | build_append_int_noprefix(table_data, s->mmio.addr, 8); | |
2599 | /* PCI Segment Group */ | |
2600 | build_append_int_noprefix(table_data, 0, 2); | |
2601 | /* IOMMU info */ | |
2602 | build_append_int_noprefix(table_data, 0, 2); | |
2603 | /* IOMMU Feature Reporting */ | |
2604 | build_append_int_noprefix(table_data, | |
2605 | (48UL << 30) | /* HATS */ | |
2606 | (48UL << 28) | /* GATS */ | |
2607 | (1UL << 2), /* GTSup */ | |
2608 | 4); | |
2609 | /* | |
2610 | * Type 1 device entry reporting all devices | |
2611 | * These are 4-byte device entries currently reporting the range of | |
2612 | * Refer to Spec - Table 95:IVHD Device Entry Type Codes(4-byte) | |
2613 | */ | |
2614 | build_append_int_noprefix(table_data, 0x0000001, 4); | |
2615 | ||
2616 | build_header(linker, table_data, (void *)(table_data->data + iommu_start), | |
2617 | "IVRS", table_data->len - iommu_start, 1, NULL, NULL); | |
2618 | } | |
2619 | ||
2620 | static GArray * | |
2621 | build_rsdp(GArray *rsdp_table, BIOSLinker *linker, unsigned rsdt_tbl_offset) | |
2622 | { | |
2623 | AcpiRsdpDescriptor *rsdp = acpi_data_push(rsdp_table, sizeof *rsdp); | |
2624 | unsigned rsdt_pa_size = sizeof(rsdp->rsdt_physical_address); | |
2625 | unsigned rsdt_pa_offset = | |
2626 | (char *)&rsdp->rsdt_physical_address - rsdp_table->data; | |
2627 | ||
2628 | bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, rsdp_table, 16, | |
2629 | true /* fseg memory */); | |
2630 | ||
2631 | memcpy(&rsdp->signature, "RSD PTR ", 8); | |
2632 | memcpy(rsdp->oem_id, ACPI_BUILD_APPNAME6, 6); | |
2633 | /* Address to be filled by Guest linker */ | |
2634 | bios_linker_loader_add_pointer(linker, | |
2635 | ACPI_BUILD_RSDP_FILE, rsdt_pa_offset, rsdt_pa_size, | |
2636 | ACPI_BUILD_TABLE_FILE, rsdt_tbl_offset); | |
2637 | ||
2638 | /* Checksum to be filled by Guest linker */ | |
2639 | bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, | |
2640 | (char *)rsdp - rsdp_table->data, sizeof *rsdp, | |
2641 | (char *)&rsdp->checksum - rsdp_table->data); | |
2642 | ||
2643 | return rsdp_table; | |
2644 | } | |
2645 | ||
2646 | typedef | |
2647 | struct AcpiBuildState { | |
2648 | /* Copy of table in RAM (for patching). */ | |
2649 | MemoryRegion *table_mr; | |
2650 | /* Is table patched? */ | |
2651 | uint8_t patched; | |
2652 | void *rsdp; | |
2653 | MemoryRegion *rsdp_mr; | |
2654 | MemoryRegion *linker_mr; | |
2655 | } AcpiBuildState; | |
2656 | ||
2657 | static bool acpi_get_mcfg(AcpiMcfgInfo *mcfg) | |
2658 | { | |
2659 | Object *pci_host; | |
2660 | QObject *o; | |
2661 | ||
2662 | pci_host = acpi_get_i386_pci_host(); | |
2663 | g_assert(pci_host); | |
2664 | ||
2665 | o = object_property_get_qobject(pci_host, PCIE_HOST_MCFG_BASE, NULL); | |
2666 | if (!o) { | |
2667 | return false; | |
2668 | } | |
2669 | mcfg->mcfg_base = qint_get_int(qobject_to_qint(o)); | |
2670 | qobject_decref(o); | |
2671 | ||
2672 | o = object_property_get_qobject(pci_host, PCIE_HOST_MCFG_SIZE, NULL); | |
2673 | assert(o); | |
2674 | mcfg->mcfg_size = qint_get_int(qobject_to_qint(o)); | |
2675 | qobject_decref(o); | |
2676 | return true; | |
2677 | } | |
2678 | ||
2679 | static | |
2680 | void acpi_build(AcpiBuildTables *tables, MachineState *machine) | |
2681 | { | |
2682 | PCMachineState *pcms = PC_MACHINE(machine); | |
2683 | PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); | |
2684 | GArray *table_offsets; | |
2685 | unsigned facs, dsdt, rsdt, fadt; | |
2686 | AcpiPmInfo pm; | |
2687 | AcpiMiscInfo misc; | |
2688 | AcpiMcfgInfo mcfg; | |
2689 | Range pci_hole, pci_hole64; | |
2690 | uint8_t *u; | |
2691 | size_t aml_len = 0; | |
2692 | GArray *tables_blob = tables->table_data; | |
2693 | AcpiSlicOem slic_oem = { .id = NULL, .table_id = NULL }; | |
2694 | ||
2695 | acpi_get_pm_info(&pm); | |
2696 | acpi_get_misc_info(&misc); | |
2697 | acpi_get_pci_holes(&pci_hole, &pci_hole64); | |
2698 | acpi_get_slic_oem(&slic_oem); | |
2699 | ||
2700 | table_offsets = g_array_new(false, true /* clear */, | |
2701 | sizeof(uint32_t)); | |
2702 | ACPI_BUILD_DPRINTF("init ACPI tables\n"); | |
2703 | ||
2704 | bios_linker_loader_alloc(tables->linker, | |
2705 | ACPI_BUILD_TABLE_FILE, tables_blob, | |
2706 | 64 /* Ensure FACS is aligned */, | |
2707 | false /* high memory */); | |
2708 | ||
2709 | /* | |
2710 | * FACS is pointed to by FADT. | |
2711 | * We place it first since it's the only table that has alignment | |
2712 | * requirements. | |
2713 | */ | |
2714 | facs = tables_blob->len; | |
2715 | build_facs(tables_blob, tables->linker); | |
2716 | ||
2717 | /* DSDT is pointed to by FADT */ | |
2718 | dsdt = tables_blob->len; | |
2719 | build_dsdt(tables_blob, tables->linker, &pm, &misc, | |
2720 | &pci_hole, &pci_hole64, machine); | |
2721 | ||
2722 | /* Count the size of the DSDT and SSDT, we will need it for legacy | |
2723 | * sizing of ACPI tables. | |
2724 | */ | |
2725 | aml_len += tables_blob->len - dsdt; | |
2726 | ||
2727 | /* ACPI tables pointed to by RSDT */ | |
2728 | fadt = tables_blob->len; | |
2729 | acpi_add_table(table_offsets, tables_blob); | |
2730 | build_fadt(tables_blob, tables->linker, &pm, facs, dsdt, | |
2731 | slic_oem.id, slic_oem.table_id); | |
2732 | aml_len += tables_blob->len - fadt; | |
2733 | ||
2734 | acpi_add_table(table_offsets, tables_blob); | |
2735 | build_madt(tables_blob, tables->linker, pcms); | |
2736 | ||
2737 | if (misc.has_hpet) { | |
2738 | acpi_add_table(table_offsets, tables_blob); | |
2739 | build_hpet(tables_blob, tables->linker); | |
2740 | } | |
2741 | if (misc.tpm_version != TPM_VERSION_UNSPEC) { | |
2742 | acpi_add_table(table_offsets, tables_blob); | |
2743 | build_tpm_tcpa(tables_blob, tables->linker, tables->tcpalog); | |
2744 | ||
2745 | if (misc.tpm_version == TPM_VERSION_2_0) { | |
2746 | acpi_add_table(table_offsets, tables_blob); | |
2747 | build_tpm2(tables_blob, tables->linker); | |
2748 | } | |
2749 | } | |
2750 | if (pcms->numa_nodes) { | |
2751 | acpi_add_table(table_offsets, tables_blob); | |
2752 | build_srat(tables_blob, tables->linker, machine); | |
2753 | } | |
2754 | if (acpi_get_mcfg(&mcfg)) { | |
2755 | acpi_add_table(table_offsets, tables_blob); | |
2756 | build_mcfg_q35(tables_blob, tables->linker, &mcfg); | |
2757 | } | |
2758 | if (x86_iommu_get_default()) { | |
2759 | IommuType IOMMUType = x86_iommu_get_type(); | |
2760 | if (IOMMUType == TYPE_AMD) { | |
2761 | acpi_add_table(table_offsets, tables_blob); | |
2762 | build_amd_iommu(tables_blob, tables->linker); | |
2763 | } else if (IOMMUType == TYPE_INTEL) { | |
2764 | acpi_add_table(table_offsets, tables_blob); | |
2765 | build_dmar_q35(tables_blob, tables->linker); | |
2766 | } | |
2767 | } | |
2768 | if (pcms->acpi_nvdimm_state.is_enabled) { | |
2769 | nvdimm_build_acpi(table_offsets, tables_blob, tables->linker, | |
2770 | pcms->acpi_nvdimm_state.dsm_mem); | |
2771 | } | |
2772 | ||
2773 | /* Add tables supplied by user (if any) */ | |
2774 | for (u = acpi_table_first(); u; u = acpi_table_next(u)) { | |
2775 | unsigned len = acpi_table_len(u); | |
2776 | ||
2777 | acpi_add_table(table_offsets, tables_blob); | |
2778 | g_array_append_vals(tables_blob, u, len); | |
2779 | } | |
2780 | ||
2781 | /* RSDT is pointed to by RSDP */ | |
2782 | rsdt = tables_blob->len; | |
2783 | build_rsdt(tables_blob, tables->linker, table_offsets, | |
2784 | slic_oem.id, slic_oem.table_id); | |
2785 | ||
2786 | /* RSDP is in FSEG memory, so allocate it separately */ | |
2787 | build_rsdp(tables->rsdp, tables->linker, rsdt); | |
2788 | ||
2789 | /* We'll expose it all to Guest so we want to reduce | |
2790 | * chance of size changes. | |
2791 | * | |
2792 | * We used to align the tables to 4k, but of course this would | |
2793 | * too simple to be enough. 4k turned out to be too small an | |
2794 | * alignment very soon, and in fact it is almost impossible to | |
2795 | * keep the table size stable for all (max_cpus, max_memory_slots) | |
2796 | * combinations. So the table size is always 64k for pc-i440fx-2.1 | |
2797 | * and we give an error if the table grows beyond that limit. | |
2798 | * | |
2799 | * We still have the problem of migrating from "-M pc-i440fx-2.0". For | |
2800 | * that, we exploit the fact that QEMU 2.1 generates _smaller_ tables | |
2801 | * than 2.0 and we can always pad the smaller tables with zeros. We can | |
2802 | * then use the exact size of the 2.0 tables. | |
2803 | * | |
2804 | * All this is for PIIX4, since QEMU 2.0 didn't support Q35 migration. | |
2805 | */ | |
2806 | if (pcmc->legacy_acpi_table_size) { | |
2807 | /* Subtracting aml_len gives the size of fixed tables. Then add the | |
2808 | * size of the PIIX4 DSDT/SSDT in QEMU 2.0. | |
2809 | */ | |
2810 | int legacy_aml_len = | |
2811 | pcmc->legacy_acpi_table_size + | |
2812 | ACPI_BUILD_LEGACY_CPU_AML_SIZE * max_cpus; | |
2813 | int legacy_table_size = | |
2814 | ROUND_UP(tables_blob->len - aml_len + legacy_aml_len, | |
2815 | ACPI_BUILD_ALIGN_SIZE); | |
2816 | if (tables_blob->len > legacy_table_size) { | |
2817 | /* Should happen only with PCI bridges and -M pc-i440fx-2.0. */ | |
2818 | error_report("Warning: migration may not work."); | |
2819 | } | |
2820 | g_array_set_size(tables_blob, legacy_table_size); | |
2821 | } else { | |
2822 | /* Make sure we have a buffer in case we need to resize the tables. */ | |
2823 | if (tables_blob->len > ACPI_BUILD_TABLE_SIZE / 2) { | |
2824 | /* As of QEMU 2.1, this fires with 160 VCPUs and 255 memory slots. */ | |
2825 | error_report("Warning: ACPI tables are larger than 64k."); | |
2826 | error_report("Warning: migration may not work."); | |
2827 | error_report("Warning: please remove CPUs, NUMA nodes, " | |
2828 | "memory slots or PCI bridges."); | |
2829 | } | |
2830 | acpi_align_size(tables_blob, ACPI_BUILD_TABLE_SIZE); | |
2831 | } | |
2832 | ||
2833 | acpi_align_size(tables->linker->cmd_blob, ACPI_BUILD_ALIGN_SIZE); | |
2834 | ||
2835 | /* Cleanup memory that's no longer used. */ | |
2836 | g_array_free(table_offsets, true); | |
2837 | } | |
2838 | ||
2839 | static void acpi_ram_update(MemoryRegion *mr, GArray *data) | |
2840 | { | |
2841 | uint32_t size = acpi_data_len(data); | |
2842 | ||
2843 | /* Make sure RAM size is correct - in case it got changed e.g. by migration */ | |
2844 | memory_region_ram_resize(mr, size, &error_abort); | |
2845 | ||
2846 | memcpy(memory_region_get_ram_ptr(mr), data->data, size); | |
2847 | memory_region_set_dirty(mr, 0, size); | |
2848 | } | |
2849 | ||
2850 | static void acpi_build_update(void *build_opaque) | |
2851 | { | |
2852 | AcpiBuildState *build_state = build_opaque; | |
2853 | AcpiBuildTables tables; | |
2854 | ||
2855 | /* No state to update or already patched? Nothing to do. */ | |
2856 | if (!build_state || build_state->patched) { | |
2857 | return; | |
2858 | } | |
2859 | build_state->patched = 1; | |
2860 | ||
2861 | acpi_build_tables_init(&tables); | |
2862 | ||
2863 | acpi_build(&tables, MACHINE(qdev_get_machine())); | |
2864 | ||
2865 | acpi_ram_update(build_state->table_mr, tables.table_data); | |
2866 | ||
2867 | if (build_state->rsdp) { | |
2868 | memcpy(build_state->rsdp, tables.rsdp->data, acpi_data_len(tables.rsdp)); | |
2869 | } else { | |
2870 | acpi_ram_update(build_state->rsdp_mr, tables.rsdp); | |
2871 | } | |
2872 | ||
2873 | acpi_ram_update(build_state->linker_mr, tables.linker->cmd_blob); | |
2874 | acpi_build_tables_cleanup(&tables, true); | |
2875 | } | |
2876 | ||
2877 | static void acpi_build_reset(void *build_opaque) | |
2878 | { | |
2879 | AcpiBuildState *build_state = build_opaque; | |
2880 | build_state->patched = 0; | |
2881 | } | |
2882 | ||
2883 | static MemoryRegion *acpi_add_rom_blob(AcpiBuildState *build_state, | |
2884 | GArray *blob, const char *name, | |
2885 | uint64_t max_size) | |
2886 | { | |
2887 | return rom_add_blob(name, blob->data, acpi_data_len(blob), max_size, -1, | |
2888 | name, acpi_build_update, build_state); | |
2889 | } | |
2890 | ||
2891 | static const VMStateDescription vmstate_acpi_build = { | |
2892 | .name = "acpi_build", | |
2893 | .version_id = 1, | |
2894 | .minimum_version_id = 1, | |
2895 | .fields = (VMStateField[]) { | |
2896 | VMSTATE_UINT8(patched, AcpiBuildState), | |
2897 | VMSTATE_END_OF_LIST() | |
2898 | }, | |
2899 | }; | |
2900 | ||
2901 | void acpi_setup(void) | |
2902 | { | |
2903 | PCMachineState *pcms = PC_MACHINE(qdev_get_machine()); | |
2904 | PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); | |
2905 | AcpiBuildTables tables; | |
2906 | AcpiBuildState *build_state; | |
2907 | ||
2908 | if (!pcms->fw_cfg) { | |
2909 | ACPI_BUILD_DPRINTF("No fw cfg. Bailing out.\n"); | |
2910 | return; | |
2911 | } | |
2912 | ||
2913 | if (!pcmc->has_acpi_build) { | |
2914 | ACPI_BUILD_DPRINTF("ACPI build disabled. Bailing out.\n"); | |
2915 | return; | |
2916 | } | |
2917 | ||
2918 | if (!acpi_enabled) { | |
2919 | ACPI_BUILD_DPRINTF("ACPI disabled. Bailing out.\n"); | |
2920 | return; | |
2921 | } | |
2922 | ||
2923 | build_state = g_malloc0(sizeof *build_state); | |
2924 | ||
2925 | acpi_set_pci_info(); | |
2926 | ||
2927 | acpi_build_tables_init(&tables); | |
2928 | acpi_build(&tables, MACHINE(pcms)); | |
2929 | ||
2930 | /* Now expose it all to Guest */ | |
2931 | build_state->table_mr = acpi_add_rom_blob(build_state, tables.table_data, | |
2932 | ACPI_BUILD_TABLE_FILE, | |
2933 | ACPI_BUILD_TABLE_MAX_SIZE); | |
2934 | assert(build_state->table_mr != NULL); | |
2935 | ||
2936 | build_state->linker_mr = | |
2937 | acpi_add_rom_blob(build_state, tables.linker->cmd_blob, | |
2938 | "etc/table-loader", 0); | |
2939 | ||
2940 | fw_cfg_add_file(pcms->fw_cfg, ACPI_BUILD_TPMLOG_FILE, | |
2941 | tables.tcpalog->data, acpi_data_len(tables.tcpalog)); | |
2942 | ||
2943 | if (!pcmc->rsdp_in_ram) { | |
2944 | /* | |
2945 | * Keep for compatibility with old machine types. | |
2946 | * Though RSDP is small, its contents isn't immutable, so | |
2947 | * we'll update it along with the rest of tables on guest access. | |
2948 | */ | |
2949 | uint32_t rsdp_size = acpi_data_len(tables.rsdp); | |
2950 | ||
2951 | build_state->rsdp = g_memdup(tables.rsdp->data, rsdp_size); | |
2952 | fw_cfg_add_file_callback(pcms->fw_cfg, ACPI_BUILD_RSDP_FILE, | |
2953 | acpi_build_update, build_state, | |
2954 | build_state->rsdp, rsdp_size); | |
2955 | build_state->rsdp_mr = NULL; | |
2956 | } else { | |
2957 | build_state->rsdp = NULL; | |
2958 | build_state->rsdp_mr = acpi_add_rom_blob(build_state, tables.rsdp, | |
2959 | ACPI_BUILD_RSDP_FILE, 0); | |
2960 | } | |
2961 | ||
2962 | qemu_register_reset(acpi_build_reset, build_state); | |
2963 | acpi_build_reset(build_state); | |
2964 | vmstate_register(NULL, 0, &vmstate_acpi_build, build_state); | |
2965 | ||
2966 | /* Cleanup tables but don't free the memory: we track it | |
2967 | * in build_state. | |
2968 | */ | |
2969 | acpi_build_tables_cleanup(&tables, false); | |
2970 | } |