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72c194f7 MT |
1 | /* Support for generating ACPI tables and passing them to Guests |
2 | * | |
3 | * Copyright (C) 2008-2010 Kevin O'Connor <kevin@koconnor.net> | |
4 | * Copyright (C) 2006 Fabrice Bellard | |
5 | * Copyright (C) 2013 Red Hat Inc | |
6 | * | |
7 | * Author: Michael S. Tsirkin <mst@redhat.com> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | ||
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | ||
19 | * You should have received a copy of the GNU General Public License along | |
20 | * with this program; if not, see <http://www.gnu.org/licenses/>. | |
21 | */ | |
22 | ||
b6a0aa05 | 23 | #include "qemu/osdep.h" |
72c194f7 | 24 | #include "acpi-build.h" |
72c194f7 MT |
25 | #include <glib.h> |
26 | #include "qemu-common.h" | |
27 | #include "qemu/bitmap.h" | |
07fb6176 | 28 | #include "qemu/error-report.h" |
72c194f7 MT |
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" | |
395e5fb4 | 34 | #include "hw/acpi/acpi-defs.h" |
72c194f7 MT |
35 | #include "hw/acpi/acpi.h" |
36 | #include "hw/nvram/fw_cfg.h" | |
0058ae1d | 37 | #include "hw/acpi/bios-linker-loader.h" |
72c194f7 | 38 | #include "hw/loader.h" |
15bce1b7 | 39 | #include "hw/isa/isa.h" |
27b9fc54 | 40 | #include "hw/block/fdc.h" |
bef3492d | 41 | #include "hw/acpi/memory_hotplug.h" |
711b20b4 SB |
42 | #include "sysemu/tpm.h" |
43 | #include "hw/acpi/tpm.h" | |
5cb18b3d | 44 | #include "sysemu/tpm_backend.h" |
f070efa8 | 45 | #include "hw/timer/mc146818rtc_regs.h" |
72c194f7 MT |
46 | |
47 | /* Supported chipsets: */ | |
48 | #include "hw/acpi/piix4.h" | |
99fd437d | 49 | #include "hw/acpi/pcihp.h" |
72c194f7 MT |
50 | #include "hw/i386/ich9.h" |
51 | #include "hw/pci/pci_bus.h" | |
52 | #include "hw/pci-host/q35.h" | |
d4eb9119 | 53 | #include "hw/i386/intel_iommu.h" |
a57d708d | 54 | #include "hw/timer/hpet.h" |
72c194f7 | 55 | |
19934e0e IM |
56 | #include "hw/acpi/aml-build.h" |
57 | ||
72c194f7 MT |
58 | #include "qapi/qmp/qint.h" |
59 | #include "qom/qom-qobject.h" | |
60 | ||
07fb6176 PB |
61 | /* These are used to size the ACPI tables for -M pc-i440fx-1.7 and |
62 | * -M pc-i440fx-2.0. Even if the actual amount of AML generated grows | |
63 | * a little bit, there should be plenty of free space since the DSDT | |
64 | * shrunk by ~1.5k between QEMU 2.0 and QEMU 2.1. | |
65 | */ | |
66 | #define ACPI_BUILD_LEGACY_CPU_AML_SIZE 97 | |
67 | #define ACPI_BUILD_ALIGN_SIZE 0x1000 | |
68 | ||
868270f2 | 69 | #define ACPI_BUILD_TABLE_SIZE 0x20000 |
18045fb9 | 70 | |
8b310fc4 GA |
71 | /* #define DEBUG_ACPI_BUILD */ |
72 | #ifdef DEBUG_ACPI_BUILD | |
73 | #define ACPI_BUILD_DPRINTF(fmt, ...) \ | |
74 | do {printf("ACPI_BUILD: " fmt, ## __VA_ARGS__); } while (0) | |
75 | #else | |
76 | #define ACPI_BUILD_DPRINTF(fmt, ...) | |
77 | #endif | |
78 | ||
72c194f7 | 79 | typedef struct AcpiCpuInfo { |
798325ed | 80 | DECLARE_BITMAP(found_cpus, ACPI_CPU_HOTPLUG_ID_LIMIT); |
72c194f7 MT |
81 | } AcpiCpuInfo; |
82 | ||
83 | typedef struct AcpiMcfgInfo { | |
84 | uint64_t mcfg_base; | |
85 | uint32_t mcfg_size; | |
86 | } AcpiMcfgInfo; | |
87 | ||
88 | typedef struct AcpiPmInfo { | |
89 | bool s3_disabled; | |
90 | bool s4_disabled; | |
133a2da4 | 91 | bool pcihp_bridge_en; |
72c194f7 MT |
92 | uint8_t s4_val; |
93 | uint16_t sci_int; | |
94 | uint8_t acpi_enable_cmd; | |
95 | uint8_t acpi_disable_cmd; | |
96 | uint32_t gpe0_blk; | |
97 | uint32_t gpe0_blk_len; | |
98 | uint32_t io_base; | |
ddf1ec2f IM |
99 | uint16_t cpu_hp_io_base; |
100 | uint16_t cpu_hp_io_len; | |
2c6b94d8 IM |
101 | uint16_t mem_hp_io_base; |
102 | uint16_t mem_hp_io_len; | |
500b11ea IM |
103 | uint16_t pcihp_io_base; |
104 | uint16_t pcihp_io_len; | |
72c194f7 MT |
105 | } AcpiPmInfo; |
106 | ||
107 | typedef struct AcpiMiscInfo { | |
e4db2798 | 108 | bool is_piix4; |
72c194f7 | 109 | bool has_hpet; |
5cb18b3d | 110 | TPMVersion tpm_version; |
72c194f7 MT |
111 | const unsigned char *dsdt_code; |
112 | unsigned dsdt_size; | |
113 | uint16_t pvpanic_port; | |
8ac6f7a6 | 114 | uint16_t applesmc_io_base; |
72c194f7 MT |
115 | } AcpiMiscInfo; |
116 | ||
99fd437d MT |
117 | typedef struct AcpiBuildPciBusHotplugState { |
118 | GArray *device_table; | |
119 | GArray *notify_table; | |
120 | struct AcpiBuildPciBusHotplugState *parent; | |
133a2da4 | 121 | bool pcihp_bridge_en; |
99fd437d MT |
122 | } AcpiBuildPciBusHotplugState; |
123 | ||
72c194f7 MT |
124 | static |
125 | int acpi_add_cpu_info(Object *o, void *opaque) | |
126 | { | |
127 | AcpiCpuInfo *cpu = opaque; | |
128 | uint64_t apic_id; | |
129 | ||
130 | if (object_dynamic_cast(o, TYPE_CPU)) { | |
131 | apic_id = object_property_get_int(o, "apic-id", NULL); | |
798325ed | 132 | assert(apic_id < ACPI_CPU_HOTPLUG_ID_LIMIT); |
72c194f7 MT |
133 | |
134 | set_bit(apic_id, cpu->found_cpus); | |
135 | } | |
136 | ||
137 | object_child_foreach(o, acpi_add_cpu_info, opaque); | |
138 | return 0; | |
139 | } | |
140 | ||
141 | static void acpi_get_cpu_info(AcpiCpuInfo *cpu) | |
142 | { | |
143 | Object *root = object_get_root(); | |
144 | ||
145 | memset(cpu->found_cpus, 0, sizeof cpu->found_cpus); | |
146 | object_child_foreach(root, acpi_add_cpu_info, cpu); | |
147 | } | |
148 | ||
149 | static void acpi_get_pm_info(AcpiPmInfo *pm) | |
150 | { | |
151 | Object *piix = piix4_pm_find(); | |
152 | Object *lpc = ich9_lpc_find(); | |
153 | Object *obj = NULL; | |
154 | QObject *o; | |
155 | ||
94aaca64 | 156 | pm->cpu_hp_io_base = 0; |
500b11ea IM |
157 | pm->pcihp_io_base = 0; |
158 | pm->pcihp_io_len = 0; | |
72c194f7 MT |
159 | if (piix) { |
160 | obj = piix; | |
ddf1ec2f | 161 | pm->cpu_hp_io_base = PIIX4_CPU_HOTPLUG_IO_BASE; |
500b11ea IM |
162 | pm->pcihp_io_base = |
163 | object_property_get_int(obj, ACPI_PCIHP_IO_BASE_PROP, NULL); | |
164 | pm->pcihp_io_len = | |
165 | object_property_get_int(obj, ACPI_PCIHP_IO_LEN_PROP, NULL); | |
72c194f7 MT |
166 | } |
167 | if (lpc) { | |
168 | obj = lpc; | |
ddf1ec2f | 169 | pm->cpu_hp_io_base = ICH9_CPU_HOTPLUG_IO_BASE; |
72c194f7 MT |
170 | } |
171 | assert(obj); | |
172 | ||
ddf1ec2f | 173 | pm->cpu_hp_io_len = ACPI_GPE_PROC_LEN; |
2c6b94d8 IM |
174 | pm->mem_hp_io_base = ACPI_MEMORY_HOTPLUG_BASE; |
175 | pm->mem_hp_io_len = ACPI_MEMORY_HOTPLUG_IO_LEN; | |
176 | ||
72c194f7 MT |
177 | /* Fill in optional s3/s4 related properties */ |
178 | o = object_property_get_qobject(obj, ACPI_PM_PROP_S3_DISABLED, NULL); | |
179 | if (o) { | |
180 | pm->s3_disabled = qint_get_int(qobject_to_qint(o)); | |
181 | } else { | |
182 | pm->s3_disabled = false; | |
183 | } | |
097a97a6 | 184 | qobject_decref(o); |
72c194f7 MT |
185 | o = object_property_get_qobject(obj, ACPI_PM_PROP_S4_DISABLED, NULL); |
186 | if (o) { | |
187 | pm->s4_disabled = qint_get_int(qobject_to_qint(o)); | |
188 | } else { | |
189 | pm->s4_disabled = false; | |
190 | } | |
097a97a6 | 191 | qobject_decref(o); |
72c194f7 MT |
192 | o = object_property_get_qobject(obj, ACPI_PM_PROP_S4_VAL, NULL); |
193 | if (o) { | |
194 | pm->s4_val = qint_get_int(qobject_to_qint(o)); | |
195 | } else { | |
196 | pm->s4_val = false; | |
197 | } | |
097a97a6 | 198 | qobject_decref(o); |
72c194f7 MT |
199 | |
200 | /* Fill in mandatory properties */ | |
201 | pm->sci_int = object_property_get_int(obj, ACPI_PM_PROP_SCI_INT, NULL); | |
202 | ||
203 | pm->acpi_enable_cmd = object_property_get_int(obj, | |
204 | ACPI_PM_PROP_ACPI_ENABLE_CMD, | |
205 | NULL); | |
206 | pm->acpi_disable_cmd = object_property_get_int(obj, | |
207 | ACPI_PM_PROP_ACPI_DISABLE_CMD, | |
208 | NULL); | |
209 | pm->io_base = object_property_get_int(obj, ACPI_PM_PROP_PM_IO_BASE, | |
210 | NULL); | |
211 | pm->gpe0_blk = object_property_get_int(obj, ACPI_PM_PROP_GPE0_BLK, | |
212 | NULL); | |
213 | pm->gpe0_blk_len = object_property_get_int(obj, ACPI_PM_PROP_GPE0_BLK_LEN, | |
214 | NULL); | |
133a2da4 IM |
215 | pm->pcihp_bridge_en = |
216 | object_property_get_bool(obj, "acpi-pci-hotplug-with-bridge-support", | |
217 | NULL); | |
72c194f7 MT |
218 | } |
219 | ||
72c194f7 MT |
220 | static void acpi_get_misc_info(AcpiMiscInfo *info) |
221 | { | |
3db119da IM |
222 | Object *piix = piix4_pm_find(); |
223 | Object *lpc = ich9_lpc_find(); | |
224 | assert(!!piix != !!lpc); | |
225 | ||
226 | if (piix) { | |
227 | info->is_piix4 = true; | |
228 | } | |
229 | if (lpc) { | |
230 | info->is_piix4 = false; | |
231 | } | |
232 | ||
72c194f7 | 233 | info->has_hpet = hpet_find(); |
5cb18b3d | 234 | info->tpm_version = tpm_get_version(); |
72c194f7 | 235 | info->pvpanic_port = pvpanic_port(); |
8ac6f7a6 | 236 | info->applesmc_io_base = applesmc_port(); |
72c194f7 MT |
237 | } |
238 | ||
ca6c1855 MA |
239 | /* |
240 | * Because of the PXB hosts we cannot simply query TYPE_PCI_HOST_BRIDGE. | |
241 | * On i386 arch we only have two pci hosts, so we can look only for them. | |
242 | */ | |
243 | static Object *acpi_get_i386_pci_host(void) | |
244 | { | |
245 | PCIHostState *host; | |
246 | ||
247 | host = OBJECT_CHECK(PCIHostState, | |
248 | object_resolve_path("/machine/i440fx", NULL), | |
249 | TYPE_PCI_HOST_BRIDGE); | |
250 | if (!host) { | |
251 | host = OBJECT_CHECK(PCIHostState, | |
252 | object_resolve_path("/machine/q35", NULL), | |
253 | TYPE_PCI_HOST_BRIDGE); | |
254 | } | |
255 | ||
256 | return OBJECT(host); | |
257 | } | |
258 | ||
72c194f7 MT |
259 | static void acpi_get_pci_info(PcPciInfo *info) |
260 | { | |
261 | Object *pci_host; | |
72c194f7 | 262 | |
ca6c1855 MA |
263 | |
264 | pci_host = acpi_get_i386_pci_host(); | |
72c194f7 MT |
265 | g_assert(pci_host); |
266 | ||
267 | info->w32.begin = object_property_get_int(pci_host, | |
268 | PCI_HOST_PROP_PCI_HOLE_START, | |
269 | NULL); | |
270 | info->w32.end = object_property_get_int(pci_host, | |
271 | PCI_HOST_PROP_PCI_HOLE_END, | |
272 | NULL); | |
273 | info->w64.begin = object_property_get_int(pci_host, | |
274 | PCI_HOST_PROP_PCI_HOLE64_START, | |
275 | NULL); | |
276 | info->w64.end = object_property_get_int(pci_host, | |
277 | PCI_HOST_PROP_PCI_HOLE64_END, | |
278 | NULL); | |
279 | } | |
280 | ||
72c194f7 MT |
281 | #define ACPI_PORT_SMI_CMD 0x00b2 /* TODO: this is APM_CNT_IOPORT */ |
282 | ||
72c194f7 MT |
283 | static void acpi_align_size(GArray *blob, unsigned align) |
284 | { | |
285 | /* Align size to multiple of given size. This reduces the chance | |
286 | * we need to change size in the future (breaking cross version migration). | |
287 | */ | |
134d42d6 | 288 | g_array_set_size(blob, ROUND_UP(acpi_data_len(blob), align)); |
72c194f7 MT |
289 | } |
290 | ||
72c194f7 MT |
291 | /* FACS */ |
292 | static void | |
fb306ffe | 293 | build_facs(GArray *table_data, GArray *linker) |
72c194f7 MT |
294 | { |
295 | AcpiFacsDescriptorRev1 *facs = acpi_data_push(table_data, sizeof *facs); | |
821e3227 | 296 | memcpy(&facs->signature, "FACS", 4); |
72c194f7 MT |
297 | facs->length = cpu_to_le32(sizeof(*facs)); |
298 | } | |
299 | ||
300 | /* Load chipset information in FADT */ | |
301 | static void fadt_setup(AcpiFadtDescriptorRev1 *fadt, AcpiPmInfo *pm) | |
302 | { | |
303 | fadt->model = 1; | |
304 | fadt->reserved1 = 0; | |
305 | fadt->sci_int = cpu_to_le16(pm->sci_int); | |
306 | fadt->smi_cmd = cpu_to_le32(ACPI_PORT_SMI_CMD); | |
307 | fadt->acpi_enable = pm->acpi_enable_cmd; | |
308 | fadt->acpi_disable = pm->acpi_disable_cmd; | |
309 | /* EVT, CNT, TMR offset matches hw/acpi/core.c */ | |
310 | fadt->pm1a_evt_blk = cpu_to_le32(pm->io_base); | |
311 | fadt->pm1a_cnt_blk = cpu_to_le32(pm->io_base + 0x04); | |
312 | fadt->pm_tmr_blk = cpu_to_le32(pm->io_base + 0x08); | |
313 | fadt->gpe0_blk = cpu_to_le32(pm->gpe0_blk); | |
314 | /* EVT, CNT, TMR length matches hw/acpi/core.c */ | |
315 | fadt->pm1_evt_len = 4; | |
316 | fadt->pm1_cnt_len = 2; | |
317 | fadt->pm_tmr_len = 4; | |
318 | fadt->gpe0_blk_len = pm->gpe0_blk_len; | |
319 | fadt->plvl2_lat = cpu_to_le16(0xfff); /* C2 state not supported */ | |
320 | fadt->plvl3_lat = cpu_to_le16(0xfff); /* C3 state not supported */ | |
321 | fadt->flags = cpu_to_le32((1 << ACPI_FADT_F_WBINVD) | | |
322 | (1 << ACPI_FADT_F_PROC_C1) | | |
323 | (1 << ACPI_FADT_F_SLP_BUTTON) | | |
324 | (1 << ACPI_FADT_F_RTC_S4)); | |
325 | fadt->flags |= cpu_to_le32(1 << ACPI_FADT_F_USE_PLATFORM_CLOCK); | |
07b81ed9 HZ |
326 | /* APIC destination mode ("Flat Logical") has an upper limit of 8 CPUs |
327 | * For more than 8 CPUs, "Clustered Logical" mode has to be used | |
328 | */ | |
329 | if (max_cpus > 8) { | |
330 | fadt->flags |= cpu_to_le32(1 << ACPI_FADT_F_FORCE_APIC_CLUSTER_MODEL); | |
331 | } | |
f070efa8 | 332 | fadt->century = RTC_CENTURY; |
72c194f7 MT |
333 | } |
334 | ||
335 | ||
336 | /* FADT */ | |
337 | static void | |
338 | build_fadt(GArray *table_data, GArray *linker, AcpiPmInfo *pm, | |
ae123749 LE |
339 | unsigned facs, unsigned dsdt, |
340 | const char *oem_id, const char *oem_table_id) | |
72c194f7 MT |
341 | { |
342 | AcpiFadtDescriptorRev1 *fadt = acpi_data_push(table_data, sizeof(*fadt)); | |
343 | ||
344 | fadt->firmware_ctrl = cpu_to_le32(facs); | |
345 | /* FACS address to be filled by Guest linker */ | |
346 | bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE, | |
347 | ACPI_BUILD_TABLE_FILE, | |
348 | table_data, &fadt->firmware_ctrl, | |
349 | sizeof fadt->firmware_ctrl); | |
350 | ||
351 | fadt->dsdt = cpu_to_le32(dsdt); | |
352 | /* DSDT address to be filled by Guest linker */ | |
353 | bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE, | |
354 | ACPI_BUILD_TABLE_FILE, | |
355 | table_data, &fadt->dsdt, | |
356 | sizeof fadt->dsdt); | |
357 | ||
358 | fadt_setup(fadt, pm); | |
359 | ||
360 | build_header(linker, table_data, | |
ae123749 | 361 | (void *)fadt, "FACP", sizeof(*fadt), 1, oem_id, oem_table_id); |
72c194f7 MT |
362 | } |
363 | ||
364 | static void | |
3d3ebcad IM |
365 | build_madt(GArray *table_data, GArray *linker, PCMachineState *pcms, |
366 | AcpiCpuInfo *cpu) | |
72c194f7 MT |
367 | { |
368 | int madt_start = table_data->len; | |
369 | ||
370 | AcpiMultipleApicTable *madt; | |
371 | AcpiMadtIoApic *io_apic; | |
372 | AcpiMadtIntsrcovr *intsrcovr; | |
373 | AcpiMadtLocalNmi *local_nmi; | |
374 | int i; | |
375 | ||
376 | madt = acpi_data_push(table_data, sizeof *madt); | |
377 | madt->local_apic_address = cpu_to_le32(APIC_DEFAULT_ADDRESS); | |
378 | madt->flags = cpu_to_le32(1); | |
379 | ||
dd4c2f01 | 380 | for (i = 0; i < pcms->apic_id_limit; i++) { |
72c194f7 MT |
381 | AcpiMadtProcessorApic *apic = acpi_data_push(table_data, sizeof *apic); |
382 | apic->type = ACPI_APIC_PROCESSOR; | |
383 | apic->length = sizeof(*apic); | |
384 | apic->processor_id = i; | |
385 | apic->local_apic_id = i; | |
386 | if (test_bit(i, cpu->found_cpus)) { | |
387 | apic->flags = cpu_to_le32(1); | |
388 | } else { | |
389 | apic->flags = cpu_to_le32(0); | |
390 | } | |
391 | } | |
392 | io_apic = acpi_data_push(table_data, sizeof *io_apic); | |
393 | io_apic->type = ACPI_APIC_IO; | |
394 | io_apic->length = sizeof(*io_apic); | |
395 | #define ACPI_BUILD_IOAPIC_ID 0x0 | |
396 | io_apic->io_apic_id = ACPI_BUILD_IOAPIC_ID; | |
397 | io_apic->address = cpu_to_le32(IO_APIC_DEFAULT_ADDRESS); | |
398 | io_apic->interrupt = cpu_to_le32(0); | |
399 | ||
dd4c2f01 | 400 | if (pcms->apic_xrupt_override) { |
72c194f7 MT |
401 | intsrcovr = acpi_data_push(table_data, sizeof *intsrcovr); |
402 | intsrcovr->type = ACPI_APIC_XRUPT_OVERRIDE; | |
403 | intsrcovr->length = sizeof(*intsrcovr); | |
404 | intsrcovr->source = 0; | |
405 | intsrcovr->gsi = cpu_to_le32(2); | |
406 | intsrcovr->flags = cpu_to_le16(0); /* conforms to bus specifications */ | |
407 | } | |
408 | for (i = 1; i < 16; i++) { | |
409 | #define ACPI_BUILD_PCI_IRQS ((1<<5) | (1<<9) | (1<<10) | (1<<11)) | |
410 | if (!(ACPI_BUILD_PCI_IRQS & (1 << i))) { | |
411 | /* No need for a INT source override structure. */ | |
412 | continue; | |
413 | } | |
414 | intsrcovr = acpi_data_push(table_data, sizeof *intsrcovr); | |
415 | intsrcovr->type = ACPI_APIC_XRUPT_OVERRIDE; | |
416 | intsrcovr->length = sizeof(*intsrcovr); | |
417 | intsrcovr->source = i; | |
418 | intsrcovr->gsi = cpu_to_le32(i); | |
419 | intsrcovr->flags = cpu_to_le16(0xd); /* active high, level triggered */ | |
420 | } | |
421 | ||
422 | local_nmi = acpi_data_push(table_data, sizeof *local_nmi); | |
423 | local_nmi->type = ACPI_APIC_LOCAL_NMI; | |
424 | local_nmi->length = sizeof(*local_nmi); | |
425 | local_nmi->processor_id = 0xff; /* all processors */ | |
426 | local_nmi->flags = cpu_to_le16(0); | |
427 | local_nmi->lint = 1; /* ACPI_LINT1 */ | |
428 | ||
429 | build_header(linker, table_data, | |
821e3227 | 430 | (void *)(table_data->data + madt_start), "APIC", |
37ad223c | 431 | table_data->len - madt_start, 1, NULL, NULL); |
72c194f7 MT |
432 | } |
433 | ||
99fd437d MT |
434 | /* Assign BSEL property to all buses. In the future, this can be changed |
435 | * to only assign to buses that support hotplug. | |
436 | */ | |
437 | static void *acpi_set_bsel(PCIBus *bus, void *opaque) | |
438 | { | |
439 | unsigned *bsel_alloc = opaque; | |
440 | unsigned *bus_bsel; | |
441 | ||
39b888bd | 442 | if (qbus_is_hotpluggable(BUS(bus))) { |
99fd437d MT |
443 | bus_bsel = g_malloc(sizeof *bus_bsel); |
444 | ||
445 | *bus_bsel = (*bsel_alloc)++; | |
446 | object_property_add_uint32_ptr(OBJECT(bus), ACPI_PCIHP_PROP_BSEL, | |
447 | bus_bsel, NULL); | |
448 | } | |
449 | ||
450 | return bsel_alloc; | |
451 | } | |
452 | ||
453 | static void acpi_set_pci_info(void) | |
454 | { | |
455 | PCIBus *bus = find_i440fx(); /* TODO: Q35 support */ | |
456 | unsigned bsel_alloc = 0; | |
457 | ||
458 | if (bus) { | |
459 | /* Scan all PCI buses. Set property to enable acpi based hotplug. */ | |
460 | pci_for_each_bus_depth_first(bus, acpi_set_bsel, NULL, &bsel_alloc); | |
461 | } | |
462 | } | |
463 | ||
62b52c26 | 464 | static void build_append_pcihp_notify_entry(Aml *method, int slot) |
99fd437d | 465 | { |
62b52c26 IM |
466 | Aml *if_ctx; |
467 | int32_t devfn = PCI_DEVFN(slot, 0); | |
468 | ||
5530427f | 469 | if_ctx = aml_if(aml_and(aml_arg(0), aml_int(0x1U << slot), NULL)); |
62b52c26 IM |
470 | aml_append(if_ctx, aml_notify(aml_name("S%.02X", devfn), aml_arg(1))); |
471 | aml_append(method, if_ctx); | |
99fd437d MT |
472 | } |
473 | ||
62b52c26 | 474 | static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, |
b23046ab | 475 | bool pcihp_bridge_en) |
99fd437d | 476 | { |
62b52c26 | 477 | Aml *dev, *notify_method, *method; |
99fd437d | 478 | QObject *bsel; |
b23046ab IM |
479 | PCIBus *sec; |
480 | int i; | |
133a2da4 | 481 | |
99fd437d MT |
482 | bsel = object_property_get_qobject(OBJECT(bus), ACPI_PCIHP_PROP_BSEL, NULL); |
483 | if (bsel) { | |
62b52c26 IM |
484 | int64_t bsel_val = qint_get_int(qobject_to_qint(bsel)); |
485 | ||
486 | aml_append(parent_scope, aml_name_decl("BSEL", aml_int(bsel_val))); | |
4dbfc881 | 487 | notify_method = aml_method("DVNT", 2, AML_NOTSERIALIZED); |
8dcf525a | 488 | } |
99fd437d | 489 | |
8dcf525a MT |
490 | for (i = 0; i < ARRAY_SIZE(bus->devices); i += PCI_FUNC_MAX) { |
491 | DeviceClass *dc; | |
492 | PCIDeviceClass *pc; | |
493 | PCIDevice *pdev = bus->devices[i]; | |
494 | int slot = PCI_SLOT(i); | |
b23046ab | 495 | bool hotplug_enabled_dev; |
093a35e5 | 496 | bool bridge_in_acpi; |
99fd437d | 497 | |
8dcf525a | 498 | if (!pdev) { |
b23046ab | 499 | if (bsel) { /* add hotplug slots for non present devices */ |
62b52c26 IM |
500 | dev = aml_device("S%.02X", PCI_DEVFN(slot, 0)); |
501 | aml_append(dev, aml_name_decl("_SUN", aml_int(slot))); | |
502 | aml_append(dev, aml_name_decl("_ADR", aml_int(slot << 16))); | |
4dbfc881 | 503 | method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); |
62b52c26 IM |
504 | aml_append(method, |
505 | aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN")) | |
506 | ); | |
507 | aml_append(dev, method); | |
508 | aml_append(parent_scope, dev); | |
509 | ||
510 | build_append_pcihp_notify_entry(notify_method, slot); | |
b23046ab | 511 | } |
8dcf525a MT |
512 | continue; |
513 | } | |
99fd437d | 514 | |
8dcf525a MT |
515 | pc = PCI_DEVICE_GET_CLASS(pdev); |
516 | dc = DEVICE_GET_CLASS(pdev); | |
99fd437d | 517 | |
093a35e5 MT |
518 | /* When hotplug for bridges is enabled, bridges are |
519 | * described in ACPI separately (see build_pci_bus_end). | |
520 | * In this case they aren't themselves hot-pluggable. | |
a20275fa | 521 | * Hotplugged bridges *are* hot-pluggable. |
093a35e5 | 522 | */ |
b23046ab IM |
523 | bridge_in_acpi = pc->is_bridge && pcihp_bridge_en && |
524 | !DEVICE(pdev)->hotplugged; | |
525 | ||
526 | hotplug_enabled_dev = bsel && dc->hotpluggable && !bridge_in_acpi; | |
093a35e5 | 527 | |
b23046ab IM |
528 | if (pc->class_id == PCI_CLASS_BRIDGE_ISA) { |
529 | continue; | |
99fd437d MT |
530 | } |
531 | ||
62b52c26 IM |
532 | /* start to compose PCI slot descriptor */ |
533 | dev = aml_device("S%.02X", PCI_DEVFN(slot, 0)); | |
534 | aml_append(dev, aml_name_decl("_ADR", aml_int(slot << 16))); | |
535 | ||
8dcf525a | 536 | if (pc->class_id == PCI_CLASS_DISPLAY_VGA) { |
62b52c26 IM |
537 | /* add VGA specific AML methods */ |
538 | int s3d; | |
539 | ||
8dcf525a | 540 | if (object_dynamic_cast(OBJECT(pdev), "qxl-vga")) { |
62b52c26 | 541 | s3d = 3; |
b23046ab | 542 | } else { |
62b52c26 | 543 | s3d = 0; |
99fd437d | 544 | } |
62b52c26 | 545 | |
4dbfc881 | 546 | method = aml_method("_S1D", 0, AML_NOTSERIALIZED); |
62b52c26 IM |
547 | aml_append(method, aml_return(aml_int(0))); |
548 | aml_append(dev, method); | |
549 | ||
4dbfc881 | 550 | method = aml_method("_S2D", 0, AML_NOTSERIALIZED); |
62b52c26 IM |
551 | aml_append(method, aml_return(aml_int(0))); |
552 | aml_append(dev, method); | |
553 | ||
4dbfc881 | 554 | method = aml_method("_S3D", 0, AML_NOTSERIALIZED); |
62b52c26 IM |
555 | aml_append(method, aml_return(aml_int(s3d))); |
556 | aml_append(dev, method); | |
b23046ab | 557 | } else if (hotplug_enabled_dev) { |
62b52c26 IM |
558 | /* add _SUN/_EJ0 to make slot hotpluggable */ |
559 | aml_append(dev, aml_name_decl("_SUN", aml_int(slot))); | |
99fd437d | 560 | |
4dbfc881 | 561 | method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); |
62b52c26 IM |
562 | aml_append(method, |
563 | aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN")) | |
564 | ); | |
565 | aml_append(dev, method); | |
566 | ||
567 | if (bsel) { | |
568 | build_append_pcihp_notify_entry(notify_method, slot); | |
569 | } | |
b23046ab | 570 | } else if (bridge_in_acpi) { |
62b52c26 IM |
571 | /* |
572 | * device is coldplugged bridge, | |
573 | * add child device descriptions into its scope | |
574 | */ | |
b23046ab | 575 | PCIBus *sec_bus = pci_bridge_get_sec_bus(PCI_BRIDGE(pdev)); |
b23046ab | 576 | |
62b52c26 | 577 | build_append_pci_bus_devices(dev, sec_bus, pcihp_bridge_en); |
8dcf525a | 578 | } |
62b52c26 IM |
579 | /* slot descriptor has been composed, add it into parent context */ |
580 | aml_append(parent_scope, dev); | |
8dcf525a MT |
581 | } |
582 | ||
583 | if (bsel) { | |
62b52c26 | 584 | aml_append(parent_scope, notify_method); |
99fd437d MT |
585 | } |
586 | ||
587 | /* Append PCNT method to notify about events on local and child buses. | |
588 | * Add unconditionally for root since DSDT expects it. | |
72c194f7 | 589 | */ |
4dbfc881 | 590 | method = aml_method("PCNT", 0, AML_NOTSERIALIZED); |
99fd437d | 591 | |
b23046ab IM |
592 | /* If bus supports hotplug select it and notify about local events */ |
593 | if (bsel) { | |
62b52c26 IM |
594 | int64_t bsel_val = qint_get_int(qobject_to_qint(bsel)); |
595 | aml_append(method, aml_store(aml_int(bsel_val), aml_name("BNUM"))); | |
596 | aml_append(method, | |
597 | aml_call2("DVNT", aml_name("PCIU"), aml_int(1) /* Device Check */) | |
598 | ); | |
599 | aml_append(method, | |
600 | aml_call2("DVNT", aml_name("PCID"), aml_int(3)/* Eject Request */) | |
601 | ); | |
b23046ab | 602 | } |
99fd437d | 603 | |
b23046ab IM |
604 | /* Notify about child bus events in any case */ |
605 | if (pcihp_bridge_en) { | |
606 | QLIST_FOREACH(sec, &bus->child, sibling) { | |
62b52c26 IM |
607 | int32_t devfn = sec->parent_dev->devfn; |
608 | ||
609 | aml_append(method, aml_name("^S%.02X.PCNT", devfn)); | |
99fd437d | 610 | } |
72c194f7 | 611 | } |
62b52c26 | 612 | aml_append(parent_scope, method); |
d370dfa9 | 613 | qobject_decref(bsel); |
72c194f7 MT |
614 | } |
615 | ||
196e2137 IM |
616 | /** |
617 | * build_prt_entry: | |
618 | * @link_name: link name for PCI route entry | |
619 | * | |
620 | * build AML package containing a PCI route entry for @link_name | |
621 | */ | |
622 | static Aml *build_prt_entry(const char *link_name) | |
623 | { | |
624 | Aml *a_zero = aml_int(0); | |
625 | Aml *pkg = aml_package(4); | |
626 | aml_append(pkg, a_zero); | |
627 | aml_append(pkg, a_zero); | |
628 | aml_append(pkg, aml_name("%s", link_name)); | |
629 | aml_append(pkg, a_zero); | |
630 | return pkg; | |
631 | } | |
632 | ||
0d8935e3 MA |
633 | /* |
634 | * initialize_route - Initialize the interrupt routing rule | |
635 | * through a specific LINK: | |
636 | * if (lnk_idx == idx) | |
637 | * route using link 'link_name' | |
638 | */ | |
639 | static Aml *initialize_route(Aml *route, const char *link_name, | |
640 | Aml *lnk_idx, int idx) | |
641 | { | |
642 | Aml *if_ctx = aml_if(aml_equal(lnk_idx, aml_int(idx))); | |
196e2137 | 643 | Aml *pkg = build_prt_entry(link_name); |
0d8935e3 | 644 | |
0d8935e3 MA |
645 | aml_append(if_ctx, aml_store(pkg, route)); |
646 | ||
647 | return if_ctx; | |
648 | } | |
649 | ||
650 | /* | |
651 | * build_prt - Define interrupt rounting rules | |
652 | * | |
653 | * Returns an array of 128 routes, one for each device, | |
654 | * based on device location. | |
655 | * The main goal is to equaly distribute the interrupts | |
656 | * over the 4 existing ACPI links (works only for i440fx). | |
657 | * The hash function is (slot + pin) & 3 -> "LNK[D|A|B|C]". | |
658 | * | |
659 | */ | |
196e2137 | 660 | static Aml *build_prt(bool is_pci0_prt) |
0d8935e3 MA |
661 | { |
662 | Aml *method, *while_ctx, *pin, *res; | |
663 | ||
4dbfc881 | 664 | method = aml_method("_PRT", 0, AML_NOTSERIALIZED); |
0d8935e3 MA |
665 | res = aml_local(0); |
666 | pin = aml_local(1); | |
667 | aml_append(method, aml_store(aml_package(128), res)); | |
668 | aml_append(method, aml_store(aml_int(0), pin)); | |
669 | ||
670 | /* while (pin < 128) */ | |
671 | while_ctx = aml_while(aml_lless(pin, aml_int(128))); | |
672 | { | |
673 | Aml *slot = aml_local(2); | |
674 | Aml *lnk_idx = aml_local(3); | |
675 | Aml *route = aml_local(4); | |
676 | ||
677 | /* slot = pin >> 2 */ | |
678 | aml_append(while_ctx, | |
c360639a | 679 | aml_store(aml_shiftright(pin, aml_int(2), NULL), slot)); |
0d8935e3 MA |
680 | /* lnk_idx = (slot + pin) & 3 */ |
681 | aml_append(while_ctx, | |
5530427f IM |
682 | aml_store(aml_and(aml_add(pin, slot, NULL), aml_int(3), NULL), |
683 | lnk_idx)); | |
0d8935e3 MA |
684 | |
685 | /* route[2] = "LNK[D|A|B|C]", selection based on pin % 3 */ | |
686 | aml_append(while_ctx, initialize_route(route, "LNKD", lnk_idx, 0)); | |
196e2137 IM |
687 | if (is_pci0_prt) { |
688 | Aml *if_device_1, *if_pin_4, *else_pin_4; | |
689 | ||
690 | /* device 1 is the power-management device, needs SCI */ | |
691 | if_device_1 = aml_if(aml_equal(lnk_idx, aml_int(1))); | |
692 | { | |
693 | if_pin_4 = aml_if(aml_equal(pin, aml_int(4))); | |
694 | { | |
695 | aml_append(if_pin_4, | |
696 | aml_store(build_prt_entry("LNKS"), route)); | |
697 | } | |
698 | aml_append(if_device_1, if_pin_4); | |
699 | else_pin_4 = aml_else(); | |
700 | { | |
701 | aml_append(else_pin_4, | |
702 | aml_store(build_prt_entry("LNKA"), route)); | |
703 | } | |
704 | aml_append(if_device_1, else_pin_4); | |
705 | } | |
706 | aml_append(while_ctx, if_device_1); | |
707 | } else { | |
708 | aml_append(while_ctx, initialize_route(route, "LNKA", lnk_idx, 1)); | |
709 | } | |
0d8935e3 MA |
710 | aml_append(while_ctx, initialize_route(route, "LNKB", lnk_idx, 2)); |
711 | aml_append(while_ctx, initialize_route(route, "LNKC", lnk_idx, 3)); | |
712 | ||
713 | /* route[0] = 0x[slot]FFFF */ | |
714 | aml_append(while_ctx, | |
ca3df95d IM |
715 | aml_store(aml_or(aml_shiftleft(slot, aml_int(16)), aml_int(0xFFFF), |
716 | NULL), | |
0d8935e3 MA |
717 | aml_index(route, aml_int(0)))); |
718 | /* route[1] = pin & 3 */ | |
719 | aml_append(while_ctx, | |
5530427f IM |
720 | aml_store(aml_and(pin, aml_int(3), NULL), |
721 | aml_index(route, aml_int(1)))); | |
0d8935e3 MA |
722 | /* res[pin] = route */ |
723 | aml_append(while_ctx, aml_store(route, aml_index(res, pin))); | |
724 | /* pin++ */ | |
725 | aml_append(while_ctx, aml_increment(pin)); | |
726 | } | |
727 | aml_append(method, while_ctx); | |
728 | /* return res*/ | |
729 | aml_append(method, aml_return(res)); | |
730 | ||
731 | return method; | |
732 | } | |
733 | ||
a43c6e27 MA |
734 | typedef struct CrsRangeEntry { |
735 | uint64_t base; | |
736 | uint64_t limit; | |
737 | } CrsRangeEntry; | |
738 | ||
739 | static void crs_range_insert(GPtrArray *ranges, uint64_t base, uint64_t limit) | |
740 | { | |
741 | CrsRangeEntry *entry; | |
742 | ||
743 | entry = g_malloc(sizeof(*entry)); | |
744 | entry->base = base; | |
745 | entry->limit = limit; | |
746 | ||
747 | g_ptr_array_add(ranges, entry); | |
748 | } | |
749 | ||
750 | static void crs_range_free(gpointer data) | |
751 | { | |
752 | CrsRangeEntry *entry = (CrsRangeEntry *)data; | |
753 | g_free(entry); | |
754 | } | |
755 | ||
dcdca296 MA |
756 | static gint crs_range_compare(gconstpointer a, gconstpointer b) |
757 | { | |
758 | CrsRangeEntry *entry_a = *(CrsRangeEntry **)a; | |
759 | CrsRangeEntry *entry_b = *(CrsRangeEntry **)b; | |
760 | ||
761 | return (int64_t)entry_a->base - (int64_t)entry_b->base; | |
762 | } | |
763 | ||
764 | /* | |
765 | * crs_replace_with_free_ranges - given the 'used' ranges within [start - end] | |
766 | * interval, computes the 'free' ranges from the same interval. | |
767 | * Example: If the input array is { [a1 - a2],[b1 - b2] }, the function | |
768 | * will return { [base - a1], [a2 - b1], [b2 - limit] }. | |
769 | */ | |
770 | static void crs_replace_with_free_ranges(GPtrArray *ranges, | |
771 | uint64_t start, uint64_t end) | |
772 | { | |
773 | GPtrArray *free_ranges = g_ptr_array_new_with_free_func(crs_range_free); | |
774 | uint64_t free_base = start; | |
775 | int i; | |
776 | ||
777 | g_ptr_array_sort(ranges, crs_range_compare); | |
778 | for (i = 0; i < ranges->len; i++) { | |
779 | CrsRangeEntry *used = g_ptr_array_index(ranges, i); | |
780 | ||
781 | if (free_base < used->base) { | |
782 | crs_range_insert(free_ranges, free_base, used->base - 1); | |
783 | } | |
784 | ||
785 | free_base = used->limit + 1; | |
786 | } | |
787 | ||
788 | if (free_base < end) { | |
789 | crs_range_insert(free_ranges, free_base, end); | |
790 | } | |
791 | ||
792 | g_ptr_array_set_size(ranges, 0); | |
793 | for (i = 0; i < free_ranges->len; i++) { | |
794 | g_ptr_array_add(ranges, g_ptr_array_index(free_ranges, i)); | |
795 | } | |
796 | ||
797 | g_ptr_array_free(free_ranges, false); | |
798 | } | |
799 | ||
d7fd0e69 MA |
800 | /* |
801 | * crs_range_merge - merges adjacent ranges in the given array. | |
802 | * Array elements are deleted and replaced with the merged ranges. | |
803 | */ | |
804 | static void crs_range_merge(GPtrArray *range) | |
805 | { | |
806 | GPtrArray *tmp = g_ptr_array_new_with_free_func(crs_range_free); | |
807 | CrsRangeEntry *entry; | |
808 | uint64_t range_base, range_limit; | |
809 | int i; | |
810 | ||
811 | if (!range->len) { | |
812 | return; | |
813 | } | |
814 | ||
815 | g_ptr_array_sort(range, crs_range_compare); | |
816 | ||
817 | entry = g_ptr_array_index(range, 0); | |
818 | range_base = entry->base; | |
819 | range_limit = entry->limit; | |
820 | for (i = 1; i < range->len; i++) { | |
821 | entry = g_ptr_array_index(range, i); | |
822 | if (entry->base - 1 == range_limit) { | |
823 | range_limit = entry->limit; | |
824 | } else { | |
825 | crs_range_insert(tmp, range_base, range_limit); | |
826 | range_base = entry->base; | |
827 | range_limit = entry->limit; | |
828 | } | |
829 | } | |
830 | crs_range_insert(tmp, range_base, range_limit); | |
831 | ||
832 | g_ptr_array_set_size(range, 0); | |
833 | for (i = 0; i < tmp->len; i++) { | |
834 | entry = g_ptr_array_index(tmp, i); | |
835 | crs_range_insert(range, entry->base, entry->limit); | |
836 | } | |
837 | g_ptr_array_free(tmp, true); | |
838 | } | |
839 | ||
a43c6e27 MA |
840 | static Aml *build_crs(PCIHostState *host, |
841 | GPtrArray *io_ranges, GPtrArray *mem_ranges) | |
842 | { | |
843 | Aml *crs = aml_resource_template(); | |
d7fd0e69 MA |
844 | GPtrArray *host_io_ranges = g_ptr_array_new_with_free_func(crs_range_free); |
845 | GPtrArray *host_mem_ranges = g_ptr_array_new_with_free_func(crs_range_free); | |
846 | CrsRangeEntry *entry; | |
a43c6e27 MA |
847 | uint8_t max_bus = pci_bus_num(host->bus); |
848 | uint8_t type; | |
849 | int devfn; | |
d7fd0e69 | 850 | int i; |
a43c6e27 MA |
851 | |
852 | for (devfn = 0; devfn < ARRAY_SIZE(host->bus->devices); devfn++) { | |
a43c6e27 MA |
853 | uint64_t range_base, range_limit; |
854 | PCIDevice *dev = host->bus->devices[devfn]; | |
855 | ||
856 | if (!dev) { | |
857 | continue; | |
858 | } | |
859 | ||
860 | for (i = 0; i < PCI_NUM_REGIONS; i++) { | |
861 | PCIIORegion *r = &dev->io_regions[i]; | |
862 | ||
863 | range_base = r->addr; | |
864 | range_limit = r->addr + r->size - 1; | |
865 | ||
0f6dd8e1 MA |
866 | /* |
867 | * Work-around for old bioses | |
868 | * that do not support multiple root buses | |
869 | */ | |
870 | if (!range_base || range_base > range_limit) { | |
871 | continue; | |
872 | } | |
873 | ||
a43c6e27 | 874 | if (r->type & PCI_BASE_ADDRESS_SPACE_IO) { |
d7fd0e69 | 875 | crs_range_insert(host_io_ranges, range_base, range_limit); |
a43c6e27 | 876 | } else { /* "memory" */ |
d7fd0e69 | 877 | crs_range_insert(host_mem_ranges, range_base, range_limit); |
a43c6e27 MA |
878 | } |
879 | } | |
880 | ||
881 | type = dev->config[PCI_HEADER_TYPE] & ~PCI_HEADER_TYPE_MULTI_FUNCTION; | |
882 | if (type == PCI_HEADER_TYPE_BRIDGE) { | |
883 | uint8_t subordinate = dev->config[PCI_SUBORDINATE_BUS]; | |
884 | if (subordinate > max_bus) { | |
885 | max_bus = subordinate; | |
886 | } | |
887 | ||
888 | range_base = pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_IO); | |
889 | range_limit = pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_IO); | |
0f6dd8e1 MA |
890 | |
891 | /* | |
892 | * Work-around for old bioses | |
893 | * that do not support multiple root buses | |
894 | */ | |
4ebc736e | 895 | if (range_base && range_base <= range_limit) { |
d7fd0e69 | 896 | crs_range_insert(host_io_ranges, range_base, range_limit); |
0f6dd8e1 | 897 | } |
a43c6e27 MA |
898 | |
899 | range_base = | |
900 | pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_MEMORY); | |
901 | range_limit = | |
902 | pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_MEMORY); | |
0f6dd8e1 MA |
903 | |
904 | /* | |
905 | * Work-around for old bioses | |
906 | * that do not support multiple root buses | |
907 | */ | |
4ebc736e | 908 | if (range_base && range_base <= range_limit) { |
d7fd0e69 | 909 | crs_range_insert(host_mem_ranges, range_base, range_limit); |
4ebc736e | 910 | } |
a43c6e27 MA |
911 | |
912 | range_base = | |
913 | pci_bridge_get_base(dev, PCI_BASE_ADDRESS_MEM_PREFETCH); | |
914 | range_limit = | |
915 | pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_MEM_PREFETCH); | |
0f6dd8e1 MA |
916 | |
917 | /* | |
918 | * Work-around for old bioses | |
919 | * that do not support multiple root buses | |
920 | */ | |
4ebc736e | 921 | if (range_base && range_base <= range_limit) { |
d7fd0e69 | 922 | crs_range_insert(host_mem_ranges, range_base, range_limit); |
0f6dd8e1 | 923 | } |
a43c6e27 MA |
924 | } |
925 | } | |
926 | ||
d7fd0e69 MA |
927 | crs_range_merge(host_io_ranges); |
928 | for (i = 0; i < host_io_ranges->len; i++) { | |
929 | entry = g_ptr_array_index(host_io_ranges, i); | |
930 | aml_append(crs, | |
931 | aml_word_io(AML_MIN_FIXED, AML_MAX_FIXED, | |
932 | AML_POS_DECODE, AML_ENTIRE_RANGE, | |
933 | 0, entry->base, entry->limit, 0, | |
934 | entry->limit - entry->base + 1)); | |
935 | crs_range_insert(io_ranges, entry->base, entry->limit); | |
936 | } | |
937 | g_ptr_array_free(host_io_ranges, true); | |
938 | ||
939 | crs_range_merge(host_mem_ranges); | |
940 | for (i = 0; i < host_mem_ranges->len; i++) { | |
941 | entry = g_ptr_array_index(host_mem_ranges, i); | |
942 | aml_append(crs, | |
943 | aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, | |
944 | AML_MAX_FIXED, AML_NON_CACHEABLE, | |
945 | AML_READ_WRITE, | |
946 | 0, entry->base, entry->limit, 0, | |
947 | entry->limit - entry->base + 1)); | |
948 | crs_range_insert(mem_ranges, entry->base, entry->limit); | |
949 | } | |
950 | g_ptr_array_free(host_mem_ranges, true); | |
951 | ||
a43c6e27 | 952 | aml_append(crs, |
dcdca296 | 953 | aml_word_bus_number(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE, |
a43c6e27 MA |
954 | 0, |
955 | pci_bus_num(host->bus), | |
956 | max_bus, | |
957 | 0, | |
958 | max_bus - pci_bus_num(host->bus) + 1)); | |
959 | ||
960 | return crs; | |
961 | } | |
962 | ||
5ca5efa4 IM |
963 | static void build_processor_devices(Aml *sb_scope, unsigned acpi_cpus, |
964 | AcpiCpuInfo *cpu, AcpiPmInfo *pm) | |
965 | { | |
966 | int i; | |
967 | Aml *dev; | |
968 | Aml *crs; | |
969 | Aml *pkg; | |
970 | Aml *field; | |
971 | Aml *ifctx; | |
972 | Aml *method; | |
973 | ||
974 | /* The current AML generator can cover the APIC ID range [0..255], | |
975 | * inclusive, for VCPU hotplug. */ | |
976 | QEMU_BUILD_BUG_ON(ACPI_CPU_HOTPLUG_ID_LIMIT > 256); | |
977 | g_assert(acpi_cpus <= ACPI_CPU_HOTPLUG_ID_LIMIT); | |
978 | ||
979 | /* create PCI0.PRES device and its _CRS to reserve CPU hotplug MMIO */ | |
980 | dev = aml_device("PCI0." stringify(CPU_HOTPLUG_RESOURCE_DEVICE)); | |
981 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A06"))); | |
982 | aml_append(dev, | |
983 | aml_name_decl("_UID", aml_string("CPU Hotplug resources")) | |
984 | ); | |
985 | /* device present, functioning, decoding, not shown in UI */ | |
986 | aml_append(dev, aml_name_decl("_STA", aml_int(0xB))); | |
987 | crs = aml_resource_template(); | |
988 | aml_append(crs, | |
989 | aml_io(AML_DECODE16, pm->cpu_hp_io_base, pm->cpu_hp_io_base, 1, | |
990 | pm->cpu_hp_io_len) | |
991 | ); | |
992 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
993 | aml_append(sb_scope, dev); | |
994 | /* declare CPU hotplug MMIO region and PRS field to access it */ | |
995 | aml_append(sb_scope, aml_operation_region( | |
3f3009c0 | 996 | "PRST", AML_SYSTEM_IO, aml_int(pm->cpu_hp_io_base), pm->cpu_hp_io_len)); |
5ca5efa4 IM |
997 | field = aml_field("PRST", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); |
998 | aml_append(field, aml_named_field("PRS", 256)); | |
999 | aml_append(sb_scope, field); | |
1000 | ||
1001 | /* build Processor object for each processor */ | |
1002 | for (i = 0; i < acpi_cpus; i++) { | |
1003 | dev = aml_processor(i, 0, 0, "CP%.02X", i); | |
1004 | ||
1005 | method = aml_method("_MAT", 0, AML_NOTSERIALIZED); | |
1006 | aml_append(method, | |
1007 | aml_return(aml_call1(CPU_MAT_METHOD, aml_int(i)))); | |
1008 | aml_append(dev, method); | |
1009 | ||
1010 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
1011 | aml_append(method, | |
1012 | aml_return(aml_call1(CPU_STATUS_METHOD, aml_int(i)))); | |
1013 | aml_append(dev, method); | |
1014 | ||
1015 | method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); | |
1016 | aml_append(method, | |
1017 | aml_return(aml_call2(CPU_EJECT_METHOD, aml_int(i), aml_arg(0))) | |
1018 | ); | |
1019 | aml_append(dev, method); | |
1020 | ||
1021 | aml_append(sb_scope, dev); | |
1022 | } | |
1023 | ||
1024 | /* build this code: | |
1025 | * Method(NTFY, 2) {If (LEqual(Arg0, 0x00)) {Notify(CP00, Arg1)} ...} | |
1026 | */ | |
1027 | /* Arg0 = Processor ID = APIC ID */ | |
1028 | method = aml_method(AML_NOTIFY_METHOD, 2, AML_NOTSERIALIZED); | |
1029 | for (i = 0; i < acpi_cpus; i++) { | |
1030 | ifctx = aml_if(aml_equal(aml_arg(0), aml_int(i))); | |
1031 | aml_append(ifctx, | |
1032 | aml_notify(aml_name("CP%.02X", i), aml_arg(1)) | |
1033 | ); | |
1034 | aml_append(method, ifctx); | |
1035 | } | |
1036 | aml_append(sb_scope, method); | |
1037 | ||
1038 | /* build "Name(CPON, Package() { One, One, ..., Zero, Zero, ... })" | |
1039 | * | |
1040 | * Note: The ability to create variable-sized packages was first | |
1041 | * introduced in ACPI 2.0. ACPI 1.0 only allowed fixed-size packages | |
1042 | * ith up to 255 elements. Windows guests up to win2k8 fail when | |
1043 | * VarPackageOp is used. | |
1044 | */ | |
1045 | pkg = acpi_cpus <= 255 ? aml_package(acpi_cpus) : | |
1046 | aml_varpackage(acpi_cpus); | |
1047 | ||
1048 | for (i = 0; i < acpi_cpus; i++) { | |
1049 | uint8_t b = test_bit(i, cpu->found_cpus) ? 0x01 : 0x00; | |
1050 | aml_append(pkg, aml_int(b)); | |
1051 | } | |
1052 | aml_append(sb_scope, aml_name_decl(CPU_ON_BITMAP, pkg)); | |
1053 | } | |
1054 | ||
f177d40a IM |
1055 | static void build_memory_devices(Aml *sb_scope, int nr_mem, |
1056 | uint16_t io_base, uint16_t io_len) | |
1057 | { | |
1058 | int i; | |
1059 | Aml *scope; | |
1060 | Aml *crs; | |
1061 | Aml *field; | |
1062 | Aml *dev; | |
1063 | Aml *method; | |
1064 | Aml *ifctx; | |
1065 | ||
1066 | /* build memory devices */ | |
1067 | assert(nr_mem <= ACPI_MAX_RAM_SLOTS); | |
f84548dd | 1068 | scope = aml_scope("\\_SB.PCI0." MEMORY_HOTPLUG_DEVICE); |
f177d40a | 1069 | aml_append(scope, |
f84548dd | 1070 | aml_name_decl(MEMORY_SLOTS_NUMBER, aml_int(nr_mem)) |
f177d40a IM |
1071 | ); |
1072 | ||
1073 | crs = aml_resource_template(); | |
1074 | aml_append(crs, | |
1075 | aml_io(AML_DECODE16, io_base, io_base, 0, io_len) | |
1076 | ); | |
1077 | aml_append(scope, aml_name_decl("_CRS", crs)); | |
1078 | ||
1079 | aml_append(scope, aml_operation_region( | |
f84548dd | 1080 | MEMORY_HOTPLUG_IO_REGION, AML_SYSTEM_IO, |
3f3009c0 | 1081 | aml_int(io_base), io_len) |
f177d40a IM |
1082 | ); |
1083 | ||
f84548dd | 1084 | field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_DWORD_ACC, |
f177d40a IM |
1085 | AML_NOLOCK, AML_PRESERVE); |
1086 | aml_append(field, /* read only */ | |
f84548dd | 1087 | aml_named_field(MEMORY_SLOT_ADDR_LOW, 32)); |
f177d40a | 1088 | aml_append(field, /* read only */ |
f84548dd | 1089 | aml_named_field(MEMORY_SLOT_ADDR_HIGH, 32)); |
f177d40a | 1090 | aml_append(field, /* read only */ |
f84548dd | 1091 | aml_named_field(MEMORY_SLOT_SIZE_LOW, 32)); |
f177d40a | 1092 | aml_append(field, /* read only */ |
f84548dd | 1093 | aml_named_field(MEMORY_SLOT_SIZE_HIGH, 32)); |
f177d40a | 1094 | aml_append(field, /* read only */ |
f84548dd | 1095 | aml_named_field(MEMORY_SLOT_PROXIMITY, 32)); |
f177d40a IM |
1096 | aml_append(scope, field); |
1097 | ||
f84548dd | 1098 | field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_BYTE_ACC, |
f177d40a IM |
1099 | AML_NOLOCK, AML_WRITE_AS_ZEROS); |
1100 | aml_append(field, aml_reserved_field(160 /* bits, Offset(20) */)); | |
1101 | aml_append(field, /* 1 if enabled, read only */ | |
f84548dd | 1102 | aml_named_field(MEMORY_SLOT_ENABLED, 1)); |
f177d40a IM |
1103 | aml_append(field, |
1104 | /*(read) 1 if has a insert event. (write) 1 to clear event */ | |
f84548dd | 1105 | aml_named_field(MEMORY_SLOT_INSERT_EVENT, 1)); |
f177d40a IM |
1106 | aml_append(field, |
1107 | /* (read) 1 if has a remove event. (write) 1 to clear event */ | |
f84548dd | 1108 | aml_named_field(MEMORY_SLOT_REMOVE_EVENT, 1)); |
f177d40a IM |
1109 | aml_append(field, |
1110 | /* initiates device eject, write only */ | |
f84548dd | 1111 | aml_named_field(MEMORY_SLOT_EJECT, 1)); |
f177d40a IM |
1112 | aml_append(scope, field); |
1113 | ||
f84548dd | 1114 | field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_DWORD_ACC, |
f177d40a IM |
1115 | AML_NOLOCK, AML_PRESERVE); |
1116 | aml_append(field, /* DIMM selector, write only */ | |
f84548dd | 1117 | aml_named_field(MEMORY_SLOT_SLECTOR, 32)); |
f177d40a | 1118 | aml_append(field, /* _OST event code, write only */ |
f84548dd | 1119 | aml_named_field(MEMORY_SLOT_OST_EVENT, 32)); |
f177d40a | 1120 | aml_append(field, /* _OST status code, write only */ |
f84548dd | 1121 | aml_named_field(MEMORY_SLOT_OST_STATUS, 32)); |
f177d40a IM |
1122 | aml_append(scope, field); |
1123 | aml_append(sb_scope, scope); | |
1124 | ||
1125 | for (i = 0; i < nr_mem; i++) { | |
f84548dd | 1126 | #define BASEPATH "\\_SB.PCI0." MEMORY_HOTPLUG_DEVICE "." |
f177d40a IM |
1127 | const char *s; |
1128 | ||
1129 | dev = aml_device("MP%02X", i); | |
1130 | aml_append(dev, aml_name_decl("_UID", aml_string("0x%02X", i))); | |
1131 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C80"))); | |
1132 | ||
1133 | method = aml_method("_CRS", 0, AML_NOTSERIALIZED); | |
f84548dd | 1134 | s = BASEPATH MEMORY_SLOT_CRS_METHOD; |
f177d40a IM |
1135 | aml_append(method, aml_return(aml_call1(s, aml_name("_UID")))); |
1136 | aml_append(dev, method); | |
1137 | ||
1138 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
f84548dd | 1139 | s = BASEPATH MEMORY_SLOT_STATUS_METHOD; |
f177d40a IM |
1140 | aml_append(method, aml_return(aml_call1(s, aml_name("_UID")))); |
1141 | aml_append(dev, method); | |
1142 | ||
1143 | method = aml_method("_PXM", 0, AML_NOTSERIALIZED); | |
f84548dd | 1144 | s = BASEPATH MEMORY_SLOT_PROXIMITY_METHOD; |
f177d40a IM |
1145 | aml_append(method, aml_return(aml_call1(s, aml_name("_UID")))); |
1146 | aml_append(dev, method); | |
1147 | ||
1148 | method = aml_method("_OST", 3, AML_NOTSERIALIZED); | |
f84548dd IM |
1149 | s = BASEPATH MEMORY_SLOT_OST_METHOD; |
1150 | ||
f177d40a IM |
1151 | aml_append(method, aml_return(aml_call4( |
1152 | s, aml_name("_UID"), aml_arg(0), aml_arg(1), aml_arg(2) | |
1153 | ))); | |
1154 | aml_append(dev, method); | |
1155 | ||
1156 | method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); | |
f84548dd | 1157 | s = BASEPATH MEMORY_SLOT_EJECT_METHOD; |
f177d40a IM |
1158 | aml_append(method, aml_return(aml_call2( |
1159 | s, aml_name("_UID"), aml_arg(0)))); | |
1160 | aml_append(dev, method); | |
1161 | ||
1162 | aml_append(sb_scope, dev); | |
1163 | } | |
1164 | ||
1165 | /* build Method(MEMORY_SLOT_NOTIFY_METHOD, 2) { | |
1166 | * If (LEqual(Arg0, 0x00)) {Notify(MP00, Arg1)} ... } | |
1167 | */ | |
f84548dd | 1168 | method = aml_method(MEMORY_SLOT_NOTIFY_METHOD, 2, AML_NOTSERIALIZED); |
f177d40a IM |
1169 | for (i = 0; i < nr_mem; i++) { |
1170 | ifctx = aml_if(aml_equal(aml_arg(0), aml_int(i))); | |
1171 | aml_append(ifctx, | |
1172 | aml_notify(aml_name("MP%.02X", i), aml_arg(1)) | |
1173 | ); | |
1174 | aml_append(method, ifctx); | |
1175 | } | |
1176 | aml_append(sb_scope, method); | |
1177 | } | |
1178 | ||
a57d708d IM |
1179 | static void build_hpet_aml(Aml *table) |
1180 | { | |
1181 | Aml *crs; | |
1182 | Aml *field; | |
1183 | Aml *method; | |
1184 | Aml *if_ctx; | |
1185 | Aml *scope = aml_scope("_SB"); | |
1186 | Aml *dev = aml_device("HPET"); | |
1187 | Aml *zero = aml_int(0); | |
1188 | Aml *id = aml_local(0); | |
1189 | Aml *period = aml_local(1); | |
1190 | ||
1191 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0103"))); | |
1192 | aml_append(dev, aml_name_decl("_UID", zero)); | |
1193 | ||
1194 | aml_append(dev, | |
3f3009c0 XG |
1195 | aml_operation_region("HPTM", AML_SYSTEM_MEMORY, aml_int(HPET_BASE), |
1196 | HPET_LEN)); | |
a57d708d IM |
1197 | field = aml_field("HPTM", AML_DWORD_ACC, AML_LOCK, AML_PRESERVE); |
1198 | aml_append(field, aml_named_field("VEND", 32)); | |
1199 | aml_append(field, aml_named_field("PRD", 32)); | |
1200 | aml_append(dev, field); | |
1201 | ||
1202 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
1203 | aml_append(method, aml_store(aml_name("VEND"), id)); | |
1204 | aml_append(method, aml_store(aml_name("PRD"), period)); | |
1205 | aml_append(method, aml_shiftright(id, aml_int(16), id)); | |
1206 | if_ctx = aml_if(aml_lor(aml_equal(id, zero), | |
1207 | aml_equal(id, aml_int(0xffff)))); | |
1208 | { | |
1209 | aml_append(if_ctx, aml_return(zero)); | |
1210 | } | |
1211 | aml_append(method, if_ctx); | |
1212 | ||
1213 | if_ctx = aml_if(aml_lor(aml_equal(period, zero), | |
1214 | aml_lgreater(period, aml_int(100000000)))); | |
1215 | { | |
1216 | aml_append(if_ctx, aml_return(zero)); | |
1217 | } | |
1218 | aml_append(method, if_ctx); | |
1219 | ||
1220 | aml_append(method, aml_return(aml_int(0x0F))); | |
1221 | aml_append(dev, method); | |
1222 | ||
1223 | crs = aml_resource_template(); | |
1224 | aml_append(crs, aml_memory32_fixed(HPET_BASE, HPET_LEN, AML_READ_ONLY)); | |
1225 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1226 | ||
1227 | aml_append(scope, dev); | |
1228 | aml_append(table, scope); | |
1229 | } | |
1230 | ||
27b9fc54 | 1231 | static Aml *build_fdinfo_aml(int idx, FloppyDriveType type) |
95ed7e97 | 1232 | { |
27b9fc54 RK |
1233 | Aml *dev, *fdi; |
1234 | uint8_t maxc, maxh, maxs; | |
1235 | ||
1236 | isa_fdc_get_drive_max_chs(type, &maxc, &maxh, &maxs); | |
1237 | ||
1238 | dev = aml_device("FLP%c", 'A' + idx); | |
1239 | ||
1240 | aml_append(dev, aml_name_decl("_ADR", aml_int(idx))); | |
1241 | ||
1242 | fdi = aml_package(16); | |
1243 | aml_append(fdi, aml_int(idx)); /* Drive Number */ | |
1244 | aml_append(fdi, | |
1245 | aml_int(cmos_get_fd_drive_type(type))); /* Device Type */ | |
1246 | /* | |
1247 | * the values below are the limits of the drive, and are thus independent | |
1248 | * of the inserted media | |
1249 | */ | |
1250 | aml_append(fdi, aml_int(maxc)); /* Maximum Cylinder Number */ | |
1251 | aml_append(fdi, aml_int(maxs)); /* Maximum Sector Number */ | |
1252 | aml_append(fdi, aml_int(maxh)); /* Maximum Head Number */ | |
1253 | /* | |
1254 | * SeaBIOS returns the below values for int 0x13 func 0x08 regardless of | |
1255 | * the drive type, so shall we | |
1256 | */ | |
1257 | aml_append(fdi, aml_int(0xAF)); /* disk_specify_1 */ | |
1258 | aml_append(fdi, aml_int(0x02)); /* disk_specify_2 */ | |
1259 | aml_append(fdi, aml_int(0x25)); /* disk_motor_wait */ | |
1260 | aml_append(fdi, aml_int(0x02)); /* disk_sector_siz */ | |
1261 | aml_append(fdi, aml_int(0x12)); /* disk_eot */ | |
1262 | aml_append(fdi, aml_int(0x1B)); /* disk_rw_gap */ | |
1263 | aml_append(fdi, aml_int(0xFF)); /* disk_dtl */ | |
1264 | aml_append(fdi, aml_int(0x6C)); /* disk_formt_gap */ | |
1265 | aml_append(fdi, aml_int(0xF6)); /* disk_fill */ | |
1266 | aml_append(fdi, aml_int(0x0F)); /* disk_head_sttl */ | |
1267 | aml_append(fdi, aml_int(0x08)); /* disk_motor_strt */ | |
1268 | ||
1269 | aml_append(dev, aml_name_decl("_FDI", fdi)); | |
1270 | return dev; | |
1271 | } | |
1272 | ||
1273 | static Aml *build_fdc_device_aml(ISADevice *fdc) | |
1274 | { | |
1275 | int i; | |
95ed7e97 IM |
1276 | Aml *dev; |
1277 | Aml *crs; | |
95ed7e97 | 1278 | |
27b9fc54 RK |
1279 | #define ACPI_FDE_MAX_FD 4 |
1280 | uint32_t fde_buf[5] = { | |
1281 | 0, 0, 0, 0, /* presence of floppy drives #0 - #3 */ | |
1282 | cpu_to_le32(2) /* tape presence (2 == never present) */ | |
1283 | }; | |
1284 | ||
95ed7e97 IM |
1285 | dev = aml_device("FDC0"); |
1286 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0700"))); | |
1287 | ||
95ed7e97 IM |
1288 | crs = aml_resource_template(); |
1289 | aml_append(crs, aml_io(AML_DECODE16, 0x03F2, 0x03F2, 0x00, 0x04)); | |
1290 | aml_append(crs, aml_io(AML_DECODE16, 0x03F7, 0x03F7, 0x00, 0x01)); | |
1291 | aml_append(crs, aml_irq_no_flags(6)); | |
1292 | aml_append(crs, | |
1293 | aml_dma(AML_COMPATIBILITY, AML_NOTBUSMASTER, AML_TRANSFER8, 2)); | |
1294 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1295 | ||
27b9fc54 RK |
1296 | for (i = 0; i < MIN(MAX_FD, ACPI_FDE_MAX_FD); i++) { |
1297 | FloppyDriveType type = isa_fdc_get_drive_type(fdc, i); | |
1298 | ||
1299 | if (type < FLOPPY_DRIVE_TYPE_NONE) { | |
1300 | fde_buf[i] = cpu_to_le32(1); /* drive present */ | |
1301 | aml_append(dev, build_fdinfo_aml(i, type)); | |
1302 | } | |
1303 | } | |
1304 | aml_append(dev, aml_name_decl("_FDE", | |
1305 | aml_buffer(sizeof(fde_buf), (uint8_t *)fde_buf))); | |
1306 | ||
95ed7e97 IM |
1307 | return dev; |
1308 | } | |
1309 | ||
ee135849 IM |
1310 | static Aml *build_rtc_device_aml(void) |
1311 | { | |
1312 | Aml *dev; | |
1313 | Aml *crs; | |
1314 | ||
1315 | dev = aml_device("RTC"); | |
1316 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0B00"))); | |
1317 | crs = aml_resource_template(); | |
1318 | aml_append(crs, aml_io(AML_DECODE16, 0x0070, 0x0070, 0x10, 0x02)); | |
1319 | aml_append(crs, aml_irq_no_flags(8)); | |
1320 | aml_append(crs, aml_io(AML_DECODE16, 0x0072, 0x0072, 0x02, 0x06)); | |
95ed7e97 | 1321 | aml_append(dev, aml_name_decl("_CRS", crs)); |
f58190e2 IM |
1322 | |
1323 | return dev; | |
1324 | } | |
1325 | ||
1326 | static Aml *build_kbd_device_aml(void) | |
1327 | { | |
1328 | Aml *dev; | |
1329 | Aml *crs; | |
1330 | Aml *method; | |
1331 | ||
1332 | dev = aml_device("KBD"); | |
1333 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0303"))); | |
1334 | ||
1335 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
1336 | aml_append(method, aml_return(aml_int(0x0f))); | |
1337 | aml_append(dev, method); | |
1338 | ||
1339 | crs = aml_resource_template(); | |
1340 | aml_append(crs, aml_io(AML_DECODE16, 0x0060, 0x0060, 0x01, 0x01)); | |
1341 | aml_append(crs, aml_io(AML_DECODE16, 0x0064, 0x0064, 0x01, 0x01)); | |
1342 | aml_append(crs, aml_irq_no_flags(1)); | |
ee135849 IM |
1343 | aml_append(dev, aml_name_decl("_CRS", crs)); |
1344 | ||
1345 | return dev; | |
1346 | } | |
1347 | ||
c355cb2c IM |
1348 | static Aml *build_mouse_device_aml(void) |
1349 | { | |
1350 | Aml *dev; | |
1351 | Aml *crs; | |
1352 | Aml *method; | |
1353 | ||
1354 | dev = aml_device("MOU"); | |
1355 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0F13"))); | |
1356 | ||
1357 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
1358 | aml_append(method, aml_return(aml_int(0x0f))); | |
1359 | aml_append(dev, method); | |
1360 | ||
1361 | crs = aml_resource_template(); | |
1362 | aml_append(crs, aml_irq_no_flags(12)); | |
1363 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1364 | ||
1365 | return dev; | |
1366 | } | |
1367 | ||
8b1da5f8 IM |
1368 | static Aml *build_lpt_device_aml(void) |
1369 | { | |
1370 | Aml *dev; | |
1371 | Aml *crs; | |
1372 | Aml *method; | |
1373 | Aml *if_ctx; | |
1374 | Aml *else_ctx; | |
1375 | Aml *zero = aml_int(0); | |
1376 | Aml *is_present = aml_local(0); | |
1377 | ||
1378 | dev = aml_device("LPT"); | |
1379 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0400"))); | |
1380 | ||
1381 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
1382 | aml_append(method, aml_store(aml_name("LPEN"), is_present)); | |
1383 | if_ctx = aml_if(aml_equal(is_present, zero)); | |
1384 | { | |
1385 | aml_append(if_ctx, aml_return(aml_int(0x00))); | |
1386 | } | |
1387 | aml_append(method, if_ctx); | |
1388 | else_ctx = aml_else(); | |
1389 | { | |
1390 | aml_append(else_ctx, aml_return(aml_int(0x0f))); | |
1391 | } | |
1392 | aml_append(method, else_ctx); | |
1393 | aml_append(dev, method); | |
1394 | ||
1395 | crs = aml_resource_template(); | |
1396 | aml_append(crs, aml_io(AML_DECODE16, 0x0378, 0x0378, 0x08, 0x08)); | |
1397 | aml_append(crs, aml_irq_no_flags(7)); | |
1398 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1399 | ||
1400 | return dev; | |
1401 | } | |
1402 | ||
28f1f0e9 IM |
1403 | static Aml *build_com_device_aml(uint8_t uid) |
1404 | { | |
1405 | Aml *dev; | |
1406 | Aml *crs; | |
1407 | Aml *method; | |
1408 | Aml *if_ctx; | |
1409 | Aml *else_ctx; | |
1410 | Aml *zero = aml_int(0); | |
1411 | Aml *is_present = aml_local(0); | |
1412 | const char *enabled_field = "CAEN"; | |
1413 | uint8_t irq = 4; | |
1414 | uint16_t io_port = 0x03F8; | |
1415 | ||
1416 | assert(uid == 1 || uid == 2); | |
1417 | if (uid == 2) { | |
1418 | enabled_field = "CBEN"; | |
1419 | irq = 3; | |
1420 | io_port = 0x02F8; | |
1421 | } | |
1422 | ||
1423 | dev = aml_device("COM%d", uid); | |
1424 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0501"))); | |
1425 | aml_append(dev, aml_name_decl("_UID", aml_int(uid))); | |
1426 | ||
1427 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
1428 | aml_append(method, aml_store(aml_name("%s", enabled_field), is_present)); | |
1429 | if_ctx = aml_if(aml_equal(is_present, zero)); | |
1430 | { | |
1431 | aml_append(if_ctx, aml_return(aml_int(0x00))); | |
1432 | } | |
1433 | aml_append(method, if_ctx); | |
1434 | else_ctx = aml_else(); | |
1435 | { | |
1436 | aml_append(else_ctx, aml_return(aml_int(0x0f))); | |
1437 | } | |
1438 | aml_append(method, else_ctx); | |
1439 | aml_append(dev, method); | |
1440 | ||
1441 | crs = aml_resource_template(); | |
1442 | aml_append(crs, aml_io(AML_DECODE16, io_port, io_port, 0x00, 0x08)); | |
1443 | aml_append(crs, aml_irq_no_flags(irq)); | |
1444 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1445 | ||
1446 | return dev; | |
1447 | } | |
1448 | ||
ee135849 IM |
1449 | static void build_isa_devices_aml(Aml *table) |
1450 | { | |
27b9fc54 RK |
1451 | ISADevice *fdc = pc_find_fdc0(); |
1452 | ||
ee135849 IM |
1453 | Aml *scope = aml_scope("_SB.PCI0.ISA"); |
1454 | ||
1455 | aml_append(scope, build_rtc_device_aml()); | |
f58190e2 | 1456 | aml_append(scope, build_kbd_device_aml()); |
c355cb2c | 1457 | aml_append(scope, build_mouse_device_aml()); |
27b9fc54 RK |
1458 | if (fdc) { |
1459 | aml_append(scope, build_fdc_device_aml(fdc)); | |
9b613f4e | 1460 | } |
8b1da5f8 | 1461 | aml_append(scope, build_lpt_device_aml()); |
28f1f0e9 IM |
1462 | aml_append(scope, build_com_device_aml(1)); |
1463 | aml_append(scope, build_com_device_aml(2)); | |
ee135849 IM |
1464 | |
1465 | aml_append(table, scope); | |
1466 | } | |
1467 | ||
3892a2b7 IM |
1468 | static void build_dbg_aml(Aml *table) |
1469 | { | |
1470 | Aml *field; | |
1471 | Aml *method; | |
1472 | Aml *while_ctx; | |
1473 | Aml *scope = aml_scope("\\"); | |
1474 | Aml *buf = aml_local(0); | |
1475 | Aml *len = aml_local(1); | |
1476 | Aml *idx = aml_local(2); | |
1477 | ||
1478 | aml_append(scope, | |
3f3009c0 | 1479 | aml_operation_region("DBG", AML_SYSTEM_IO, aml_int(0x0402), 0x01)); |
3892a2b7 IM |
1480 | field = aml_field("DBG", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); |
1481 | aml_append(field, aml_named_field("DBGB", 8)); | |
1482 | aml_append(scope, field); | |
1483 | ||
1484 | method = aml_method("DBUG", 1, AML_NOTSERIALIZED); | |
1485 | ||
1486 | aml_append(method, aml_to_hexstring(aml_arg(0), buf)); | |
1487 | aml_append(method, aml_to_buffer(buf, buf)); | |
1488 | aml_append(method, aml_subtract(aml_sizeof(buf), aml_int(1), len)); | |
1489 | aml_append(method, aml_store(aml_int(0), idx)); | |
1490 | ||
1491 | while_ctx = aml_while(aml_lless(idx, len)); | |
1492 | aml_append(while_ctx, | |
1493 | aml_store(aml_derefof(aml_index(buf, idx)), aml_name("DBGB"))); | |
1494 | aml_append(while_ctx, aml_increment(idx)); | |
1495 | aml_append(method, while_ctx); | |
1496 | ||
1497 | aml_append(method, aml_store(aml_int(0x0A), aml_name("DBGB"))); | |
1498 | aml_append(scope, method); | |
1499 | ||
1500 | aml_append(table, scope); | |
1501 | } | |
1502 | ||
c35b6e80 IM |
1503 | static Aml *build_link_dev(const char *name, uint8_t uid, Aml *reg) |
1504 | { | |
1505 | Aml *dev; | |
1506 | Aml *crs; | |
1507 | Aml *method; | |
1508 | uint32_t irqs[] = {5, 10, 11}; | |
1509 | ||
1510 | dev = aml_device("%s", name); | |
1511 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C0F"))); | |
1512 | aml_append(dev, aml_name_decl("_UID", aml_int(uid))); | |
1513 | ||
1514 | crs = aml_resource_template(); | |
1515 | aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, | |
1516 | AML_SHARED, irqs, ARRAY_SIZE(irqs))); | |
1517 | aml_append(dev, aml_name_decl("_PRS", crs)); | |
1518 | ||
1519 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
1520 | aml_append(method, aml_return(aml_call1("IQST", reg))); | |
1521 | aml_append(dev, method); | |
1522 | ||
1523 | method = aml_method("_DIS", 0, AML_NOTSERIALIZED); | |
1524 | aml_append(method, aml_or(reg, aml_int(0x80), reg)); | |
1525 | aml_append(dev, method); | |
1526 | ||
1527 | method = aml_method("_CRS", 0, AML_NOTSERIALIZED); | |
1528 | aml_append(method, aml_return(aml_call1("IQCR", reg))); | |
1529 | aml_append(dev, method); | |
1530 | ||
1531 | method = aml_method("_SRS", 1, AML_NOTSERIALIZED); | |
1532 | aml_append(method, aml_create_dword_field(aml_arg(0), aml_int(5), "PRRI")); | |
1533 | aml_append(method, aml_store(aml_name("PRRI"), reg)); | |
1534 | aml_append(dev, method); | |
1535 | ||
1536 | return dev; | |
1537 | } | |
1538 | ||
80b32df5 IM |
1539 | static Aml *build_gsi_link_dev(const char *name, uint8_t uid, uint8_t gsi) |
1540 | { | |
1541 | Aml *dev; | |
1542 | Aml *crs; | |
1543 | Aml *method; | |
1544 | uint32_t irqs; | |
1545 | ||
1546 | dev = aml_device("%s", name); | |
1547 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C0F"))); | |
1548 | aml_append(dev, aml_name_decl("_UID", aml_int(uid))); | |
1549 | ||
1550 | crs = aml_resource_template(); | |
1551 | irqs = gsi; | |
1552 | aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, | |
1553 | AML_SHARED, &irqs, 1)); | |
1554 | aml_append(dev, aml_name_decl("_PRS", crs)); | |
1555 | ||
1556 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1557 | ||
c82f503d MA |
1558 | /* |
1559 | * _DIS can be no-op because the interrupt cannot be disabled. | |
1560 | */ | |
1561 | method = aml_method("_DIS", 0, AML_NOTSERIALIZED); | |
1562 | aml_append(dev, method); | |
1563 | ||
80b32df5 IM |
1564 | method = aml_method("_SRS", 1, AML_NOTSERIALIZED); |
1565 | aml_append(dev, method); | |
1566 | ||
1567 | return dev; | |
1568 | } | |
1569 | ||
16682a9d IM |
1570 | /* _CRS method - get current settings */ |
1571 | static Aml *build_iqcr_method(bool is_piix4) | |
1572 | { | |
1573 | Aml *if_ctx; | |
1574 | uint32_t irqs; | |
1575 | Aml *method = aml_method("IQCR", 1, AML_SERIALIZED); | |
1576 | Aml *crs = aml_resource_template(); | |
1577 | ||
1578 | irqs = 0; | |
1579 | aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, | |
1580 | AML_ACTIVE_HIGH, AML_SHARED, &irqs, 1)); | |
1581 | aml_append(method, aml_name_decl("PRR0", crs)); | |
1582 | ||
1583 | aml_append(method, | |
1584 | aml_create_dword_field(aml_name("PRR0"), aml_int(5), "PRRI")); | |
1585 | ||
1586 | if (is_piix4) { | |
1587 | if_ctx = aml_if(aml_lless(aml_arg(0), aml_int(0x80))); | |
1588 | aml_append(if_ctx, aml_store(aml_arg(0), aml_name("PRRI"))); | |
1589 | aml_append(method, if_ctx); | |
1590 | } else { | |
1591 | aml_append(method, | |
1592 | aml_store(aml_and(aml_arg(0), aml_int(0xF), NULL), | |
1593 | aml_name("PRRI"))); | |
1594 | } | |
1595 | ||
1596 | aml_append(method, aml_return(aml_name("PRR0"))); | |
1597 | return method; | |
1598 | } | |
1599 | ||
78e1ad05 IM |
1600 | /* _STA method - get status */ |
1601 | static Aml *build_irq_status_method(void) | |
1602 | { | |
1603 | Aml *if_ctx; | |
1604 | Aml *method = aml_method("IQST", 1, AML_NOTSERIALIZED); | |
1605 | ||
1606 | if_ctx = aml_if(aml_and(aml_int(0x80), aml_arg(0), NULL)); | |
1607 | aml_append(if_ctx, aml_return(aml_int(0x09))); | |
1608 | aml_append(method, if_ctx); | |
1609 | aml_append(method, aml_return(aml_int(0x0B))); | |
1610 | return method; | |
1611 | } | |
1612 | ||
e4db2798 IM |
1613 | static void build_piix4_pci0_int(Aml *table) |
1614 | { | |
c35b6e80 IM |
1615 | Aml *dev; |
1616 | Aml *crs; | |
e4db2798 | 1617 | Aml *field; |
c35b6e80 IM |
1618 | Aml *method; |
1619 | uint32_t irqs; | |
e4db2798 | 1620 | Aml *sb_scope = aml_scope("_SB"); |
196e2137 IM |
1621 | Aml *pci0_scope = aml_scope("PCI0"); |
1622 | ||
1623 | aml_append(pci0_scope, build_prt(true)); | |
1624 | aml_append(sb_scope, pci0_scope); | |
e4db2798 IM |
1625 | |
1626 | field = aml_field("PCI0.ISA.P40C", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); | |
1627 | aml_append(field, aml_named_field("PRQ0", 8)); | |
1628 | aml_append(field, aml_named_field("PRQ1", 8)); | |
1629 | aml_append(field, aml_named_field("PRQ2", 8)); | |
1630 | aml_append(field, aml_named_field("PRQ3", 8)); | |
1631 | aml_append(sb_scope, field); | |
1632 | ||
78e1ad05 | 1633 | aml_append(sb_scope, build_irq_status_method()); |
16682a9d | 1634 | aml_append(sb_scope, build_iqcr_method(true)); |
100681cc | 1635 | |
c35b6e80 IM |
1636 | aml_append(sb_scope, build_link_dev("LNKA", 0, aml_name("PRQ0"))); |
1637 | aml_append(sb_scope, build_link_dev("LNKB", 1, aml_name("PRQ1"))); | |
1638 | aml_append(sb_scope, build_link_dev("LNKC", 2, aml_name("PRQ2"))); | |
1639 | aml_append(sb_scope, build_link_dev("LNKD", 3, aml_name("PRQ3"))); | |
1640 | ||
1641 | dev = aml_device("LNKS"); | |
1642 | { | |
1643 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C0F"))); | |
1644 | aml_append(dev, aml_name_decl("_UID", aml_int(4))); | |
1645 | ||
1646 | crs = aml_resource_template(); | |
1647 | irqs = 9; | |
1648 | aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, | |
1649 | AML_ACTIVE_HIGH, AML_SHARED, | |
1650 | &irqs, 1)); | |
1651 | aml_append(dev, aml_name_decl("_PRS", crs)); | |
1652 | ||
1653 | /* The SCI cannot be disabled and is always attached to GSI 9, | |
1654 | * so these are no-ops. We only need this link to override the | |
1655 | * polarity to active high and match the content of the MADT. | |
1656 | */ | |
1657 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
1658 | aml_append(method, aml_return(aml_int(0x0b))); | |
1659 | aml_append(dev, method); | |
1660 | ||
1661 | method = aml_method("_DIS", 0, AML_NOTSERIALIZED); | |
1662 | aml_append(dev, method); | |
1663 | ||
1664 | method = aml_method("_CRS", 0, AML_NOTSERIALIZED); | |
1665 | aml_append(method, aml_return(aml_name("_PRS"))); | |
1666 | aml_append(dev, method); | |
1667 | ||
1668 | method = aml_method("_SRS", 1, AML_NOTSERIALIZED); | |
1669 | aml_append(dev, method); | |
1670 | } | |
1671 | aml_append(sb_scope, dev); | |
1672 | ||
e4db2798 IM |
1673 | aml_append(table, sb_scope); |
1674 | } | |
1675 | ||
22b5b8bf IM |
1676 | static void append_q35_prt_entry(Aml *ctx, uint32_t nr, const char *name) |
1677 | { | |
1678 | int i; | |
1679 | int head; | |
1680 | Aml *pkg; | |
1681 | char base = name[3] < 'E' ? 'A' : 'E'; | |
1682 | char *s = g_strdup(name); | |
1683 | Aml *a_nr = aml_int((nr << 16) | 0xffff); | |
1684 | ||
1685 | assert(strlen(s) == 4); | |
1686 | ||
1687 | head = name[3] - base; | |
1688 | for (i = 0; i < 4; i++) { | |
1689 | if (head + i > 3) { | |
1690 | head = i * -1; | |
1691 | } | |
1692 | s[3] = base + head + i; | |
1693 | pkg = aml_package(4); | |
1694 | aml_append(pkg, a_nr); | |
1695 | aml_append(pkg, aml_int(i)); | |
1696 | aml_append(pkg, aml_name("%s", s)); | |
1697 | aml_append(pkg, aml_int(0)); | |
1698 | aml_append(ctx, pkg); | |
1699 | } | |
1700 | g_free(s); | |
1701 | } | |
1702 | ||
1703 | static Aml *build_q35_routing_table(const char *str) | |
1704 | { | |
1705 | int i; | |
1706 | Aml *pkg; | |
1707 | char *name = g_strdup_printf("%s ", str); | |
1708 | ||
1709 | pkg = aml_package(128); | |
1710 | for (i = 0; i < 0x18; i++) { | |
1711 | name[3] = 'E' + (i & 0x3); | |
1712 | append_q35_prt_entry(pkg, i, name); | |
1713 | } | |
1714 | ||
1715 | name[3] = 'E'; | |
1716 | append_q35_prt_entry(pkg, 0x18, name); | |
1717 | ||
1718 | /* INTA -> PIRQA for slot 25 - 31, see the default value of D<N>IR */ | |
1719 | for (i = 0x0019; i < 0x1e; i++) { | |
1720 | name[3] = 'A'; | |
1721 | append_q35_prt_entry(pkg, i, name); | |
1722 | } | |
1723 | ||
1724 | /* PCIe->PCI bridge. use PIRQ[E-H] */ | |
1725 | name[3] = 'E'; | |
1726 | append_q35_prt_entry(pkg, 0x1e, name); | |
1727 | name[3] = 'A'; | |
1728 | append_q35_prt_entry(pkg, 0x1f, name); | |
1729 | ||
1730 | g_free(name); | |
1731 | return pkg; | |
1732 | } | |
1733 | ||
80b32df5 IM |
1734 | static void build_q35_pci0_int(Aml *table) |
1735 | { | |
41f95a52 | 1736 | Aml *field; |
0dafe3b3 | 1737 | Aml *method; |
80b32df5 | 1738 | Aml *sb_scope = aml_scope("_SB"); |
0dafe3b3 IM |
1739 | Aml *pci0_scope = aml_scope("PCI0"); |
1740 | ||
e9fce798 IM |
1741 | /* Zero => PIC mode, One => APIC Mode */ |
1742 | aml_append(table, aml_name_decl("PICF", aml_int(0))); | |
1743 | method = aml_method("_PIC", 1, AML_NOTSERIALIZED); | |
1744 | { | |
1745 | aml_append(method, aml_store(aml_arg(0), aml_name("PICF"))); | |
1746 | } | |
1747 | aml_append(table, method); | |
1748 | ||
65aef4de IM |
1749 | aml_append(pci0_scope, |
1750 | aml_name_decl("PRTP", build_q35_routing_table("LNK"))); | |
22b5b8bf IM |
1751 | aml_append(pci0_scope, |
1752 | aml_name_decl("PRTA", build_q35_routing_table("GSI"))); | |
1753 | ||
0dafe3b3 IM |
1754 | method = aml_method("_PRT", 0, AML_NOTSERIALIZED); |
1755 | { | |
1756 | Aml *if_ctx; | |
1757 | Aml *else_ctx; | |
1758 | ||
1759 | /* PCI IRQ routing table, example from ACPI 2.0a specification, | |
1760 | section 6.2.8.1 */ | |
1761 | /* Note: we provide the same info as the PCI routing | |
1762 | table of the Bochs BIOS */ | |
1763 | if_ctx = aml_if(aml_equal(aml_name("PICF"), aml_int(0))); | |
1764 | aml_append(if_ctx, aml_return(aml_name("PRTP"))); | |
1765 | aml_append(method, if_ctx); | |
1766 | else_ctx = aml_else(); | |
1767 | aml_append(else_ctx, aml_return(aml_name("PRTA"))); | |
1768 | aml_append(method, else_ctx); | |
1769 | } | |
1770 | aml_append(pci0_scope, method); | |
1771 | aml_append(sb_scope, pci0_scope); | |
80b32df5 | 1772 | |
41f95a52 IM |
1773 | field = aml_field("PCI0.ISA.PIRQ", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); |
1774 | aml_append(field, aml_named_field("PRQA", 8)); | |
1775 | aml_append(field, aml_named_field("PRQB", 8)); | |
1776 | aml_append(field, aml_named_field("PRQC", 8)); | |
1777 | aml_append(field, aml_named_field("PRQD", 8)); | |
1778 | aml_append(field, aml_reserved_field(0x20)); | |
1779 | aml_append(field, aml_named_field("PRQE", 8)); | |
1780 | aml_append(field, aml_named_field("PRQF", 8)); | |
1781 | aml_append(field, aml_named_field("PRQG", 8)); | |
1782 | aml_append(field, aml_named_field("PRQH", 8)); | |
1783 | aml_append(sb_scope, field); | |
1784 | ||
78e1ad05 | 1785 | aml_append(sb_scope, build_irq_status_method()); |
16682a9d IM |
1786 | aml_append(sb_scope, build_iqcr_method(false)); |
1787 | ||
12e3b1f7 IM |
1788 | aml_append(sb_scope, build_link_dev("LNKA", 0, aml_name("PRQA"))); |
1789 | aml_append(sb_scope, build_link_dev("LNKB", 1, aml_name("PRQB"))); | |
1790 | aml_append(sb_scope, build_link_dev("LNKC", 2, aml_name("PRQC"))); | |
1791 | aml_append(sb_scope, build_link_dev("LNKD", 3, aml_name("PRQD"))); | |
1792 | aml_append(sb_scope, build_link_dev("LNKE", 4, aml_name("PRQE"))); | |
1793 | aml_append(sb_scope, build_link_dev("LNKF", 5, aml_name("PRQF"))); | |
1794 | aml_append(sb_scope, build_link_dev("LNKG", 6, aml_name("PRQG"))); | |
1795 | aml_append(sb_scope, build_link_dev("LNKH", 7, aml_name("PRQH"))); | |
1796 | ||
80b32df5 IM |
1797 | /* |
1798 | * TODO: UID probably shouldn't be the same for GSIx devices | |
1799 | * but that's how it was in original ASL so keep it for now | |
1800 | */ | |
1801 | aml_append(sb_scope, build_gsi_link_dev("GSIA", 0, 0x10)); | |
1802 | aml_append(sb_scope, build_gsi_link_dev("GSIB", 0, 0x11)); | |
1803 | aml_append(sb_scope, build_gsi_link_dev("GSIC", 0, 0x12)); | |
1804 | aml_append(sb_scope, build_gsi_link_dev("GSID", 0, 0x13)); | |
1805 | aml_append(sb_scope, build_gsi_link_dev("GSIE", 0, 0x14)); | |
1806 | aml_append(sb_scope, build_gsi_link_dev("GSIF", 0, 0x15)); | |
1807 | aml_append(sb_scope, build_gsi_link_dev("GSIG", 0, 0x16)); | |
1808 | aml_append(sb_scope, build_gsi_link_dev("GSIH", 0, 0x17)); | |
1809 | ||
1810 | aml_append(table, sb_scope); | |
1811 | } | |
1812 | ||
41f95a52 IM |
1813 | static void build_q35_isa_bridge(Aml *table) |
1814 | { | |
1815 | Aml *dev; | |
1816 | Aml *scope; | |
1817 | Aml *field; | |
1818 | ||
1819 | scope = aml_scope("_SB.PCI0"); | |
1820 | dev = aml_device("ISA"); | |
1821 | aml_append(dev, aml_name_decl("_ADR", aml_int(0x001F0000))); | |
1822 | ||
1823 | /* ICH9 PCI to ISA irq remapping */ | |
1824 | aml_append(dev, aml_operation_region("PIRQ", AML_PCI_CONFIG, | |
3f3009c0 | 1825 | aml_int(0x60), 0x0C)); |
41f95a52 IM |
1826 | |
1827 | aml_append(dev, aml_operation_region("LPCD", AML_PCI_CONFIG, | |
3f3009c0 | 1828 | aml_int(0x80), 0x02)); |
41f95a52 IM |
1829 | field = aml_field("LPCD", AML_ANY_ACC, AML_NOLOCK, AML_PRESERVE); |
1830 | aml_append(field, aml_named_field("COMA", 3)); | |
1831 | aml_append(field, aml_reserved_field(1)); | |
1832 | aml_append(field, aml_named_field("COMB", 3)); | |
1833 | aml_append(field, aml_reserved_field(1)); | |
1834 | aml_append(field, aml_named_field("LPTD", 2)); | |
41f95a52 IM |
1835 | aml_append(dev, field); |
1836 | ||
1837 | aml_append(dev, aml_operation_region("LPCE", AML_PCI_CONFIG, | |
3f3009c0 | 1838 | aml_int(0x82), 0x02)); |
41f95a52 IM |
1839 | /* enable bits */ |
1840 | field = aml_field("LPCE", AML_ANY_ACC, AML_NOLOCK, AML_PRESERVE); | |
1841 | aml_append(field, aml_named_field("CAEN", 1)); | |
1842 | aml_append(field, aml_named_field("CBEN", 1)); | |
1843 | aml_append(field, aml_named_field("LPEN", 1)); | |
41f95a52 IM |
1844 | aml_append(dev, field); |
1845 | ||
1846 | aml_append(scope, dev); | |
1847 | aml_append(table, scope); | |
1848 | } | |
1849 | ||
e4db2798 IM |
1850 | static void build_piix4_pm(Aml *table) |
1851 | { | |
1852 | Aml *dev; | |
1853 | Aml *scope; | |
1854 | ||
1855 | scope = aml_scope("_SB.PCI0"); | |
1856 | dev = aml_device("PX13"); | |
1857 | aml_append(dev, aml_name_decl("_ADR", aml_int(0x00010003))); | |
1858 | ||
1859 | aml_append(dev, aml_operation_region("P13C", AML_PCI_CONFIG, | |
3f3009c0 | 1860 | aml_int(0x00), 0xff)); |
e4db2798 IM |
1861 | aml_append(scope, dev); |
1862 | aml_append(table, scope); | |
1863 | } | |
1864 | ||
1865 | static void build_piix4_isa_bridge(Aml *table) | |
1866 | { | |
1867 | Aml *dev; | |
1868 | Aml *scope; | |
1869 | Aml *field; | |
1870 | ||
1871 | scope = aml_scope("_SB.PCI0"); | |
1872 | dev = aml_device("ISA"); | |
1873 | aml_append(dev, aml_name_decl("_ADR", aml_int(0x00010000))); | |
1874 | ||
1875 | /* PIIX PCI to ISA irq remapping */ | |
1876 | aml_append(dev, aml_operation_region("P40C", AML_PCI_CONFIG, | |
3f3009c0 | 1877 | aml_int(0x60), 0x04)); |
e4db2798 IM |
1878 | /* enable bits */ |
1879 | field = aml_field("^PX13.P13C", AML_ANY_ACC, AML_NOLOCK, AML_PRESERVE); | |
1880 | /* Offset(0x5f),, 7, */ | |
1881 | aml_append(field, aml_reserved_field(0x2f8)); | |
1882 | aml_append(field, aml_reserved_field(7)); | |
1883 | aml_append(field, aml_named_field("LPEN", 1)); | |
1884 | /* Offset(0x67),, 3, */ | |
1885 | aml_append(field, aml_reserved_field(0x38)); | |
1886 | aml_append(field, aml_reserved_field(3)); | |
1887 | aml_append(field, aml_named_field("CAEN", 1)); | |
1888 | aml_append(field, aml_reserved_field(3)); | |
1889 | aml_append(field, aml_named_field("CBEN", 1)); | |
1890 | aml_append(dev, field); | |
e4db2798 IM |
1891 | |
1892 | aml_append(scope, dev); | |
1893 | aml_append(table, scope); | |
1894 | } | |
1895 | ||
b616ec4d IM |
1896 | static void build_piix4_pci_hotplug(Aml *table) |
1897 | { | |
1898 | Aml *scope; | |
1899 | Aml *field; | |
1900 | Aml *method; | |
1901 | ||
1902 | scope = aml_scope("_SB.PCI0"); | |
1903 | ||
1904 | aml_append(scope, | |
3f3009c0 | 1905 | aml_operation_region("PCST", AML_SYSTEM_IO, aml_int(0xae00), 0x08)); |
b616ec4d IM |
1906 | field = aml_field("PCST", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); |
1907 | aml_append(field, aml_named_field("PCIU", 32)); | |
1908 | aml_append(field, aml_named_field("PCID", 32)); | |
1909 | aml_append(scope, field); | |
1910 | ||
1911 | aml_append(scope, | |
3f3009c0 | 1912 | aml_operation_region("SEJ", AML_SYSTEM_IO, aml_int(0xae08), 0x04)); |
b616ec4d IM |
1913 | field = aml_field("SEJ", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); |
1914 | aml_append(field, aml_named_field("B0EJ", 32)); | |
1915 | aml_append(scope, field); | |
1916 | ||
1917 | aml_append(scope, | |
3f3009c0 | 1918 | aml_operation_region("BNMR", AML_SYSTEM_IO, aml_int(0xae10), 0x04)); |
b616ec4d IM |
1919 | field = aml_field("BNMR", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); |
1920 | aml_append(field, aml_named_field("BNUM", 32)); | |
1921 | aml_append(scope, field); | |
1922 | ||
1923 | aml_append(scope, aml_mutex("BLCK", 0)); | |
1924 | ||
1925 | method = aml_method("PCEJ", 2, AML_NOTSERIALIZED); | |
1926 | aml_append(method, aml_acquire(aml_name("BLCK"), 0xFFFF)); | |
1927 | aml_append(method, aml_store(aml_arg(0), aml_name("BNUM"))); | |
1928 | aml_append(method, | |
1929 | aml_store(aml_shiftleft(aml_int(1), aml_arg(1)), aml_name("B0EJ"))); | |
1930 | aml_append(method, aml_release(aml_name("BLCK"))); | |
1931 | aml_append(method, aml_return(aml_int(0))); | |
1932 | aml_append(scope, method); | |
1933 | ||
1934 | aml_append(table, scope); | |
1935 | } | |
1936 | ||
f97a88a8 IM |
1937 | static Aml *build_q35_osc_method(void) |
1938 | { | |
1939 | Aml *if_ctx; | |
1940 | Aml *if_ctx2; | |
1941 | Aml *else_ctx; | |
1942 | Aml *method; | |
1943 | Aml *a_cwd1 = aml_name("CDW1"); | |
1944 | Aml *a_ctrl = aml_name("CTRL"); | |
1945 | ||
1946 | method = aml_method("_OSC", 4, AML_NOTSERIALIZED); | |
1947 | aml_append(method, aml_create_dword_field(aml_arg(3), aml_int(0), "CDW1")); | |
1948 | ||
1949 | if_ctx = aml_if(aml_equal( | |
1950 | aml_arg(0), aml_touuid("33DB4D5B-1FF7-401C-9657-7441C03DD766"))); | |
1951 | aml_append(if_ctx, aml_create_dword_field(aml_arg(3), aml_int(4), "CDW2")); | |
1952 | aml_append(if_ctx, aml_create_dword_field(aml_arg(3), aml_int(8), "CDW3")); | |
1953 | ||
1954 | aml_append(if_ctx, aml_store(aml_name("CDW2"), aml_name("SUPP"))); | |
1955 | aml_append(if_ctx, aml_store(aml_name("CDW3"), a_ctrl)); | |
1956 | ||
1957 | /* | |
1958 | * Always allow native PME, AER (no dependencies) | |
1959 | * Never allow SHPC (no SHPC controller in this system) | |
1960 | */ | |
1961 | aml_append(if_ctx, aml_and(a_ctrl, aml_int(0x1D), a_ctrl)); | |
1962 | ||
1963 | if_ctx2 = aml_if(aml_lnot(aml_equal(aml_arg(1), aml_int(1)))); | |
1964 | /* Unknown revision */ | |
1965 | aml_append(if_ctx2, aml_or(a_cwd1, aml_int(0x08), a_cwd1)); | |
1966 | aml_append(if_ctx, if_ctx2); | |
1967 | ||
1968 | if_ctx2 = aml_if(aml_lnot(aml_equal(aml_name("CDW3"), a_ctrl))); | |
1969 | /* Capabilities bits were masked */ | |
1970 | aml_append(if_ctx2, aml_or(a_cwd1, aml_int(0x10), a_cwd1)); | |
1971 | aml_append(if_ctx, if_ctx2); | |
1972 | ||
1973 | /* Update DWORD3 in the buffer */ | |
1974 | aml_append(if_ctx, aml_store(a_ctrl, aml_name("CDW3"))); | |
1975 | aml_append(method, if_ctx); | |
1976 | ||
1977 | else_ctx = aml_else(); | |
1978 | /* Unrecognized UUID */ | |
1979 | aml_append(else_ctx, aml_or(a_cwd1, aml_int(4), a_cwd1)); | |
1980 | aml_append(method, else_ctx); | |
1981 | ||
1982 | aml_append(method, aml_return(aml_arg(3))); | |
1983 | return method; | |
1984 | } | |
b616ec4d | 1985 | |
72c194f7 | 1986 | static void |
41fa5c04 | 1987 | build_dsdt(GArray *table_data, GArray *linker, |
72c194f7 | 1988 | AcpiCpuInfo *cpu, AcpiPmInfo *pm, AcpiMiscInfo *misc, |
3d3ebcad | 1989 | PcPciInfo *pci, MachineState *machine) |
72c194f7 | 1990 | { |
41fa5c04 IM |
1991 | CrsRangeEntry *entry; |
1992 | Aml *dsdt, *sb_scope, *scope, *dev, *method, *field, *pkg, *crs; | |
1993 | GPtrArray *mem_ranges = g_ptr_array_new_with_free_func(crs_range_free); | |
1994 | GPtrArray *io_ranges = g_ptr_array_new_with_free_func(crs_range_free); | |
fb306ffe | 1995 | PCMachineState *pcms = PC_MACHINE(machine); |
bef3492d | 1996 | uint32_t nr_mem = machine->ram_slots; |
dcdca296 | 1997 | int root_bus_limit = 0xFF; |
41fa5c04 | 1998 | PCIBus *bus = NULL; |
72c194f7 MT |
1999 | int i; |
2000 | ||
41fa5c04 | 2001 | dsdt = init_aml_allocator(); |
2fd71f1b | 2002 | |
4ec8d2b3 | 2003 | /* Reserve space for header */ |
41fa5c04 IM |
2004 | acpi_data_push(dsdt->buf, sizeof(AcpiTableHeader)); |
2005 | ||
2006 | build_dbg_aml(dsdt); | |
2007 | if (misc->is_piix4) { | |
2008 | sb_scope = aml_scope("_SB"); | |
2009 | dev = aml_device("PCI0"); | |
2010 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A03"))); | |
2011 | aml_append(dev, aml_name_decl("_ADR", aml_int(0))); | |
2012 | aml_append(dev, aml_name_decl("_UID", aml_int(1))); | |
2013 | aml_append(sb_scope, dev); | |
2014 | aml_append(dsdt, sb_scope); | |
2015 | ||
2016 | build_hpet_aml(dsdt); | |
2017 | build_piix4_pm(dsdt); | |
2018 | build_piix4_isa_bridge(dsdt); | |
2019 | build_isa_devices_aml(dsdt); | |
2020 | build_piix4_pci_hotplug(dsdt); | |
2021 | build_piix4_pci0_int(dsdt); | |
2022 | } else { | |
2023 | sb_scope = aml_scope("_SB"); | |
2024 | aml_append(sb_scope, | |
3f3009c0 | 2025 | aml_operation_region("PCST", AML_SYSTEM_IO, aml_int(0xae00), 0x0c)); |
41fa5c04 | 2026 | aml_append(sb_scope, |
3f3009c0 | 2027 | aml_operation_region("PCSB", AML_SYSTEM_IO, aml_int(0xae0c), 0x01)); |
41fa5c04 IM |
2028 | field = aml_field("PCSB", AML_ANY_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); |
2029 | aml_append(field, aml_named_field("PCIB", 8)); | |
2030 | aml_append(sb_scope, field); | |
2031 | aml_append(dsdt, sb_scope); | |
2032 | ||
2033 | sb_scope = aml_scope("_SB"); | |
2034 | dev = aml_device("PCI0"); | |
2035 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A08"))); | |
2036 | aml_append(dev, aml_name_decl("_CID", aml_eisaid("PNP0A03"))); | |
2037 | aml_append(dev, aml_name_decl("_ADR", aml_int(0))); | |
2038 | aml_append(dev, aml_name_decl("_UID", aml_int(1))); | |
2039 | aml_append(dev, aml_name_decl("SUPP", aml_int(0))); | |
2040 | aml_append(dev, aml_name_decl("CTRL", aml_int(0))); | |
2041 | aml_append(dev, build_q35_osc_method()); | |
2042 | aml_append(sb_scope, dev); | |
2043 | aml_append(dsdt, sb_scope); | |
2044 | ||
2045 | build_hpet_aml(dsdt); | |
2046 | build_q35_isa_bridge(dsdt); | |
2047 | build_isa_devices_aml(dsdt); | |
2048 | build_q35_pci0_int(dsdt); | |
2049 | } | |
2050 | ||
2051 | build_cpu_hotplug_aml(dsdt); | |
2052 | build_memory_hotplug_aml(dsdt, nr_mem, pm->mem_hp_io_base, | |
2053 | pm->mem_hp_io_len); | |
2054 | ||
2055 | scope = aml_scope("_GPE"); | |
2056 | { | |
2057 | aml_append(scope, aml_name_decl("_HID", aml_string("ACPI0006"))); | |
2058 | ||
2059 | aml_append(scope, aml_method("_L00", 0, AML_NOTSERIALIZED)); | |
2060 | ||
2061 | if (misc->is_piix4) { | |
2062 | method = aml_method("_E01", 0, AML_NOTSERIALIZED); | |
2063 | aml_append(method, | |
2064 | aml_acquire(aml_name("\\_SB.PCI0.BLCK"), 0xFFFF)); | |
2065 | aml_append(method, aml_call0("\\_SB.PCI0.PCNT")); | |
2066 | aml_append(method, aml_release(aml_name("\\_SB.PCI0.BLCK"))); | |
2067 | aml_append(scope, method); | |
2068 | } else { | |
2069 | aml_append(scope, aml_method("_L01", 0, AML_NOTSERIALIZED)); | |
2070 | } | |
2071 | ||
2072 | method = aml_method("_E02", 0, AML_NOTSERIALIZED); | |
2073 | aml_append(method, aml_call0("\\_SB." CPU_SCAN_METHOD)); | |
2074 | aml_append(scope, method); | |
2075 | ||
2076 | method = aml_method("_E03", 0, AML_NOTSERIALIZED); | |
2077 | aml_append(method, aml_call0(MEMORY_HOTPLUG_HANDLER_PATH)); | |
2078 | aml_append(scope, method); | |
2079 | ||
2080 | aml_append(scope, aml_method("_L04", 0, AML_NOTSERIALIZED)); | |
2081 | aml_append(scope, aml_method("_L05", 0, AML_NOTSERIALIZED)); | |
2082 | aml_append(scope, aml_method("_L06", 0, AML_NOTSERIALIZED)); | |
2083 | aml_append(scope, aml_method("_L07", 0, AML_NOTSERIALIZED)); | |
2084 | aml_append(scope, aml_method("_L08", 0, AML_NOTSERIALIZED)); | |
2085 | aml_append(scope, aml_method("_L09", 0, AML_NOTSERIALIZED)); | |
2086 | aml_append(scope, aml_method("_L0A", 0, AML_NOTSERIALIZED)); | |
2087 | aml_append(scope, aml_method("_L0B", 0, AML_NOTSERIALIZED)); | |
2088 | aml_append(scope, aml_method("_L0C", 0, AML_NOTSERIALIZED)); | |
2089 | aml_append(scope, aml_method("_L0D", 0, AML_NOTSERIALIZED)); | |
2090 | aml_append(scope, aml_method("_L0E", 0, AML_NOTSERIALIZED)); | |
2091 | aml_append(scope, aml_method("_L0F", 0, AML_NOTSERIALIZED)); | |
2092 | } | |
2093 | aml_append(dsdt, scope); | |
72c194f7 | 2094 | |
81ed6482 | 2095 | bus = PC_MACHINE(machine)->bus; |
a4894206 MA |
2096 | if (bus) { |
2097 | QLIST_FOREACH(bus, &bus->child, sibling) { | |
2098 | uint8_t bus_num = pci_bus_num(bus); | |
0e79e51a | 2099 | uint8_t numa_node = pci_bus_numa_node(bus); |
a4894206 MA |
2100 | |
2101 | /* look only for expander root buses */ | |
2102 | if (!pci_bus_is_root(bus)) { | |
2103 | continue; | |
2104 | } | |
2105 | ||
dcdca296 MA |
2106 | if (bus_num < root_bus_limit) { |
2107 | root_bus_limit = bus_num - 1; | |
2108 | } | |
2109 | ||
a4894206 MA |
2110 | scope = aml_scope("\\_SB"); |
2111 | dev = aml_device("PC%.02X", bus_num); | |
c96d9286 LE |
2112 | aml_append(dev, aml_name_decl("_UID", aml_int(bus_num))); |
2113 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A03"))); | |
a4894206 | 2114 | aml_append(dev, aml_name_decl("_BBN", aml_int(bus_num))); |
0e79e51a MA |
2115 | |
2116 | if (numa_node != NUMA_NODE_UNASSIGNED) { | |
2117 | aml_append(dev, aml_name_decl("_PXM", aml_int(numa_node))); | |
2118 | } | |
2119 | ||
196e2137 | 2120 | aml_append(dev, build_prt(false)); |
a43c6e27 MA |
2121 | crs = build_crs(PCI_HOST_BRIDGE(BUS(bus)->parent), |
2122 | io_ranges, mem_ranges); | |
2123 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
a4894206 | 2124 | aml_append(scope, dev); |
41fa5c04 | 2125 | aml_append(dsdt, scope); |
a4894206 MA |
2126 | } |
2127 | } | |
2128 | ||
500b11ea | 2129 | scope = aml_scope("\\_SB.PCI0"); |
60efd429 IM |
2130 | /* build PCI0._CRS */ |
2131 | crs = aml_resource_template(); | |
2132 | aml_append(crs, | |
ff80dc7f | 2133 | aml_word_bus_number(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE, |
dcdca296 MA |
2134 | 0x0000, 0x0, root_bus_limit, |
2135 | 0x0000, root_bus_limit + 1)); | |
ff80dc7f | 2136 | aml_append(crs, aml_io(AML_DECODE16, 0x0CF8, 0x0CF8, 0x01, 0x08)); |
60efd429 IM |
2137 | |
2138 | aml_append(crs, | |
ff80dc7f SZ |
2139 | aml_word_io(AML_MIN_FIXED, AML_MAX_FIXED, |
2140 | AML_POS_DECODE, AML_ENTIRE_RANGE, | |
60efd429 | 2141 | 0x0000, 0x0000, 0x0CF7, 0x0000, 0x0CF8)); |
dcdca296 MA |
2142 | |
2143 | crs_replace_with_free_ranges(io_ranges, 0x0D00, 0xFFFF); | |
2144 | for (i = 0; i < io_ranges->len; i++) { | |
2145 | entry = g_ptr_array_index(io_ranges, i); | |
2146 | aml_append(crs, | |
2147 | aml_word_io(AML_MIN_FIXED, AML_MAX_FIXED, | |
2148 | AML_POS_DECODE, AML_ENTIRE_RANGE, | |
2149 | 0x0000, entry->base, entry->limit, | |
2150 | 0x0000, entry->limit - entry->base + 1)); | |
2151 | } | |
2152 | ||
60efd429 | 2153 | aml_append(crs, |
ff80dc7f SZ |
2154 | aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED, |
2155 | AML_CACHEABLE, AML_READ_WRITE, | |
60efd429 | 2156 | 0, 0x000A0000, 0x000BFFFF, 0, 0x00020000)); |
dcdca296 MA |
2157 | |
2158 | crs_replace_with_free_ranges(mem_ranges, pci->w32.begin, pci->w32.end - 1); | |
2159 | for (i = 0; i < mem_ranges->len; i++) { | |
2160 | entry = g_ptr_array_index(mem_ranges, i); | |
2161 | aml_append(crs, | |
2162 | aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED, | |
2163 | AML_NON_CACHEABLE, AML_READ_WRITE, | |
2164 | 0, entry->base, entry->limit, | |
2165 | 0, entry->limit - entry->base + 1)); | |
2166 | } | |
2167 | ||
60efd429 IM |
2168 | if (pci->w64.begin) { |
2169 | aml_append(crs, | |
ff80dc7f SZ |
2170 | aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED, |
2171 | AML_CACHEABLE, AML_READ_WRITE, | |
60efd429 IM |
2172 | 0, pci->w64.begin, pci->w64.end - 1, 0, |
2173 | pci->w64.end - pci->w64.begin)); | |
2174 | } | |
2175 | aml_append(scope, aml_name_decl("_CRS", crs)); | |
2176 | ||
d31c909e IM |
2177 | /* reserve GPE0 block resources */ |
2178 | dev = aml_device("GPE0"); | |
2179 | aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A06"))); | |
2180 | aml_append(dev, aml_name_decl("_UID", aml_string("GPE0 resources"))); | |
2181 | /* device present, functioning, decoding, not shown in UI */ | |
2182 | aml_append(dev, aml_name_decl("_STA", aml_int(0xB))); | |
2183 | crs = aml_resource_template(); | |
2184 | aml_append(crs, | |
ff80dc7f | 2185 | aml_io(AML_DECODE16, pm->gpe0_blk, pm->gpe0_blk, 1, pm->gpe0_blk_len) |
d31c909e IM |
2186 | ); |
2187 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
2188 | aml_append(scope, dev); | |
2189 | ||
dcdca296 MA |
2190 | g_ptr_array_free(io_ranges, true); |
2191 | g_ptr_array_free(mem_ranges, true); | |
2192 | ||
500b11ea IM |
2193 | /* reserve PCIHP resources */ |
2194 | if (pm->pcihp_io_len) { | |
2195 | dev = aml_device("PHPR"); | |
2196 | aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A06"))); | |
2197 | aml_append(dev, | |
2198 | aml_name_decl("_UID", aml_string("PCI Hotplug resources"))); | |
2199 | /* device present, functioning, decoding, not shown in UI */ | |
2200 | aml_append(dev, aml_name_decl("_STA", aml_int(0xB))); | |
2201 | crs = aml_resource_template(); | |
2202 | aml_append(crs, | |
ff80dc7f | 2203 | aml_io(AML_DECODE16, pm->pcihp_io_base, pm->pcihp_io_base, 1, |
500b11ea IM |
2204 | pm->pcihp_io_len) |
2205 | ); | |
2206 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
2207 | aml_append(scope, dev); | |
2208 | } | |
41fa5c04 | 2209 | aml_append(dsdt, scope); |
500b11ea | 2210 | |
ebc3028f IM |
2211 | /* create S3_ / S4_ / S5_ packages if necessary */ |
2212 | scope = aml_scope("\\"); | |
2213 | if (!pm->s3_disabled) { | |
2214 | pkg = aml_package(4); | |
2215 | aml_append(pkg, aml_int(1)); /* PM1a_CNT.SLP_TYP */ | |
2216 | aml_append(pkg, aml_int(1)); /* PM1b_CNT.SLP_TYP, FIXME: not impl. */ | |
2217 | aml_append(pkg, aml_int(0)); /* reserved */ | |
2218 | aml_append(pkg, aml_int(0)); /* reserved */ | |
2219 | aml_append(scope, aml_name_decl("_S3", pkg)); | |
2220 | } | |
2221 | ||
2222 | if (!pm->s4_disabled) { | |
2223 | pkg = aml_package(4); | |
2224 | aml_append(pkg, aml_int(pm->s4_val)); /* PM1a_CNT.SLP_TYP */ | |
2225 | /* PM1b_CNT.SLP_TYP, FIXME: not impl. */ | |
2226 | aml_append(pkg, aml_int(pm->s4_val)); | |
2227 | aml_append(pkg, aml_int(0)); /* reserved */ | |
2228 | aml_append(pkg, aml_int(0)); /* reserved */ | |
2229 | aml_append(scope, aml_name_decl("_S4", pkg)); | |
2230 | } | |
2231 | ||
2232 | pkg = aml_package(4); | |
2233 | aml_append(pkg, aml_int(0)); /* PM1a_CNT.SLP_TYP */ | |
2234 | aml_append(pkg, aml_int(0)); /* PM1b_CNT.SLP_TYP not impl. */ | |
2235 | aml_append(pkg, aml_int(0)); /* reserved */ | |
2236 | aml_append(pkg, aml_int(0)); /* reserved */ | |
2237 | aml_append(scope, aml_name_decl("_S5", pkg)); | |
41fa5c04 | 2238 | aml_append(dsdt, scope); |
ebc3028f | 2239 | |
e2ec7568 GS |
2240 | /* create fw_cfg node, unconditionally */ |
2241 | { | |
2242 | /* when using port i/o, the 8-bit data register *always* overlaps | |
2243 | * with half of the 16-bit control register. Hence, the total size | |
2244 | * of the i/o region used is FW_CFG_CTL_SIZE; when using DMA, the | |
2245 | * DMA control register is located at FW_CFG_DMA_IO_BASE + 4 */ | |
2246 | uint8_t io_size = object_property_get_bool(OBJECT(pcms->fw_cfg), | |
2247 | "dma_enabled", NULL) ? | |
2248 | ROUND_UP(FW_CFG_CTL_SIZE, 4) + sizeof(dma_addr_t) : | |
2249 | FW_CFG_CTL_SIZE; | |
2250 | ||
2251 | scope = aml_scope("\\_SB.PCI0"); | |
2252 | dev = aml_device("FWCF"); | |
2253 | ||
2254 | aml_append(dev, aml_name_decl("_HID", aml_string("QEMU0002"))); | |
2255 | ||
2256 | /* device present, functioning, decoding, not shown in UI */ | |
2257 | aml_append(dev, aml_name_decl("_STA", aml_int(0xB))); | |
2258 | ||
2259 | crs = aml_resource_template(); | |
2260 | aml_append(crs, | |
2261 | aml_io(AML_DECODE16, FW_CFG_IO_BASE, FW_CFG_IO_BASE, 0x01, io_size) | |
2262 | ); | |
2263 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
2264 | ||
2265 | aml_append(scope, dev); | |
2266 | aml_append(dsdt, scope); | |
2267 | } | |
2268 | ||
8ac6f7a6 IM |
2269 | if (misc->applesmc_io_base) { |
2270 | scope = aml_scope("\\_SB.PCI0.ISA"); | |
2271 | dev = aml_device("SMC"); | |
2272 | ||
2273 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("APP0001"))); | |
2274 | /* device present, functioning, decoding, not shown in UI */ | |
2275 | aml_append(dev, aml_name_decl("_STA", aml_int(0xB))); | |
2276 | ||
2277 | crs = aml_resource_template(); | |
2278 | aml_append(crs, | |
ff80dc7f | 2279 | aml_io(AML_DECODE16, misc->applesmc_io_base, misc->applesmc_io_base, |
8ac6f7a6 IM |
2280 | 0x01, APPLESMC_MAX_DATA_LENGTH) |
2281 | ); | |
2282 | aml_append(crs, aml_irq_no_flags(6)); | |
2283 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
2284 | ||
2285 | aml_append(scope, dev); | |
41fa5c04 | 2286 | aml_append(dsdt, scope); |
8ac6f7a6 IM |
2287 | } |
2288 | ||
cd61cb2e IM |
2289 | if (misc->pvpanic_port) { |
2290 | scope = aml_scope("\\_SB.PCI0.ISA"); | |
2291 | ||
2332333c | 2292 | dev = aml_device("PEVT"); |
e65bef69 | 2293 | aml_append(dev, aml_name_decl("_HID", aml_string("QEMU0001"))); |
cd61cb2e IM |
2294 | |
2295 | crs = aml_resource_template(); | |
2296 | aml_append(crs, | |
ff80dc7f | 2297 | aml_io(AML_DECODE16, misc->pvpanic_port, misc->pvpanic_port, 1, 1) |
cd61cb2e IM |
2298 | ); |
2299 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
2300 | ||
ff80dc7f | 2301 | aml_append(dev, aml_operation_region("PEOR", AML_SYSTEM_IO, |
3f3009c0 | 2302 | aml_int(misc->pvpanic_port), 1)); |
36de884a | 2303 | field = aml_field("PEOR", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); |
cd61cb2e IM |
2304 | aml_append(field, aml_named_field("PEPT", 8)); |
2305 | aml_append(dev, field); | |
2306 | ||
8ef3ea25 GH |
2307 | /* device present, functioning, decoding, shown in UI */ |
2308 | aml_append(dev, aml_name_decl("_STA", aml_int(0xF))); | |
2332333c | 2309 | |
4dbfc881 | 2310 | method = aml_method("RDPT", 0, AML_NOTSERIALIZED); |
cd61cb2e IM |
2311 | aml_append(method, aml_store(aml_name("PEPT"), aml_local(0))); |
2312 | aml_append(method, aml_return(aml_local(0))); | |
2313 | aml_append(dev, method); | |
2314 | ||
4dbfc881 | 2315 | method = aml_method("WRPT", 1, AML_NOTSERIALIZED); |
cd61cb2e IM |
2316 | aml_append(method, aml_store(aml_arg(0), aml_name("PEPT"))); |
2317 | aml_append(dev, method); | |
2318 | ||
2319 | aml_append(scope, dev); | |
41fa5c04 | 2320 | aml_append(dsdt, scope); |
cd61cb2e IM |
2321 | } |
2322 | ||
7824df38 | 2323 | sb_scope = aml_scope("\\_SB"); |
72c194f7 | 2324 | { |
dd4c2f01 | 2325 | build_processor_devices(sb_scope, pcms->apic_id_limit, cpu, pm); |
72c194f7 | 2326 | |
f177d40a IM |
2327 | build_memory_devices(sb_scope, nr_mem, pm->mem_hp_io_base, |
2328 | pm->mem_hp_io_len); | |
8698c0c0 | 2329 | |
72c194f7 | 2330 | { |
8dcf525a MT |
2331 | Object *pci_host; |
2332 | PCIBus *bus = NULL; | |
8dcf525a | 2333 | |
ca6c1855 MA |
2334 | pci_host = acpi_get_i386_pci_host(); |
2335 | if (pci_host) { | |
8dcf525a MT |
2336 | bus = PCI_HOST_BRIDGE(pci_host)->bus; |
2337 | } | |
72c194f7 | 2338 | |
99fd437d | 2339 | if (bus) { |
62b52c26 | 2340 | Aml *scope = aml_scope("PCI0"); |
99fd437d | 2341 | /* Scan all PCI buses. Generate tables to support hotplug. */ |
62b52c26 | 2342 | build_append_pci_bus_devices(scope, bus, pm->pcihp_bridge_en); |
72d97b3a IM |
2343 | |
2344 | if (misc->tpm_version != TPM_VERSION_UNSPEC) { | |
2345 | dev = aml_device("ISA.TPM"); | |
2346 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C31"))); | |
2347 | aml_append(dev, aml_name_decl("_STA", aml_int(0xF))); | |
2348 | crs = aml_resource_template(); | |
2349 | aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE, | |
2350 | TPM_TIS_ADDR_SIZE, AML_READ_WRITE)); | |
2351 | aml_append(crs, aml_irq_no_flags(TPM_TIS_IRQ)); | |
2352 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
2353 | aml_append(scope, dev); | |
2354 | } | |
2355 | ||
62b52c26 | 2356 | aml_append(sb_scope, scope); |
72c194f7 | 2357 | } |
72c194f7 | 2358 | } |
41fa5c04 | 2359 | aml_append(dsdt, sb_scope); |
72c194f7 MT |
2360 | } |
2361 | ||
011bb749 | 2362 | /* copy AML table into ACPI tables blob and patch header there */ |
41fa5c04 | 2363 | g_array_append_vals(table_data, dsdt->buf->data, dsdt->buf->len); |
72c194f7 | 2364 | build_header(linker, table_data, |
41fa5c04 | 2365 | (void *)(table_data->data + table_data->len - dsdt->buf->len), |
37ad223c | 2366 | "DSDT", dsdt->buf->len, 1, NULL, NULL); |
011bb749 | 2367 | free_aml_allocator(); |
72c194f7 MT |
2368 | } |
2369 | ||
2370 | static void | |
2371 | build_hpet(GArray *table_data, GArray *linker) | |
2372 | { | |
2373 | Acpi20Hpet *hpet; | |
2374 | ||
2375 | hpet = acpi_data_push(table_data, sizeof(*hpet)); | |
2376 | /* Note timer_block_id value must be kept in sync with value advertised by | |
2377 | * emulated hpet | |
2378 | */ | |
2379 | hpet->timer_block_id = cpu_to_le32(0x8086a201); | |
2380 | hpet->addr.address = cpu_to_le64(HPET_BASE); | |
2381 | build_header(linker, table_data, | |
37ad223c | 2382 | (void *)hpet, "HPET", sizeof(*hpet), 1, NULL, NULL); |
72c194f7 MT |
2383 | } |
2384 | ||
711b20b4 | 2385 | static void |
42a5b308 | 2386 | build_tpm_tcpa(GArray *table_data, GArray *linker, GArray *tcpalog) |
711b20b4 SB |
2387 | { |
2388 | Acpi20Tcpa *tcpa = acpi_data_push(table_data, sizeof *tcpa); | |
42a5b308 | 2389 | uint64_t log_area_start_address = acpi_data_len(tcpalog); |
711b20b4 SB |
2390 | |
2391 | tcpa->platform_class = cpu_to_le16(TPM_TCPA_ACPI_CLASS_CLIENT); | |
2392 | tcpa->log_area_minimum_length = cpu_to_le32(TPM_LOG_AREA_MINIMUM_SIZE); | |
2393 | tcpa->log_area_start_address = cpu_to_le64(log_area_start_address); | |
2394 | ||
42a5b308 SB |
2395 | bios_linker_loader_alloc(linker, ACPI_BUILD_TPMLOG_FILE, 1, |
2396 | false /* high memory */); | |
2397 | ||
711b20b4 SB |
2398 | /* log area start address to be filled by Guest linker */ |
2399 | bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE, | |
42a5b308 | 2400 | ACPI_BUILD_TPMLOG_FILE, |
711b20b4 SB |
2401 | table_data, &tcpa->log_area_start_address, |
2402 | sizeof(tcpa->log_area_start_address)); | |
2403 | ||
2404 | build_header(linker, table_data, | |
37ad223c | 2405 | (void *)tcpa, "TCPA", sizeof(*tcpa), 2, NULL, NULL); |
711b20b4 | 2406 | |
42a5b308 | 2407 | acpi_data_push(tcpalog, TPM_LOG_AREA_MINIMUM_SIZE); |
711b20b4 SB |
2408 | } |
2409 | ||
5cb18b3d SB |
2410 | static void |
2411 | build_tpm2(GArray *table_data, GArray *linker) | |
2412 | { | |
2413 | Acpi20TPM2 *tpm2_ptr; | |
5cb18b3d SB |
2414 | |
2415 | tpm2_ptr = acpi_data_push(table_data, sizeof *tpm2_ptr); | |
2416 | ||
2417 | tpm2_ptr->platform_class = cpu_to_le16(TPM2_ACPI_CLASS_CLIENT); | |
2418 | tpm2_ptr->control_area_address = cpu_to_le64(0); | |
2419 | tpm2_ptr->start_method = cpu_to_le32(TPM2_START_METHOD_MMIO); | |
2420 | ||
2421 | build_header(linker, table_data, | |
37ad223c | 2422 | (void *)tpm2_ptr, "TPM2", sizeof(*tpm2_ptr), 4, NULL, NULL); |
5cb18b3d SB |
2423 | } |
2424 | ||
04ed3ea8 IM |
2425 | typedef enum { |
2426 | MEM_AFFINITY_NOFLAGS = 0, | |
2427 | MEM_AFFINITY_ENABLED = (1 << 0), | |
2428 | MEM_AFFINITY_HOTPLUGGABLE = (1 << 1), | |
2429 | MEM_AFFINITY_NON_VOLATILE = (1 << 2), | |
2430 | } MemoryAffinityFlags; | |
2431 | ||
72c194f7 | 2432 | static void |
04ed3ea8 IM |
2433 | acpi_build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base, |
2434 | uint64_t len, int node, MemoryAffinityFlags flags) | |
72c194f7 MT |
2435 | { |
2436 | numamem->type = ACPI_SRAT_MEMORY; | |
2437 | numamem->length = sizeof(*numamem); | |
2438 | memset(numamem->proximity, 0, 4); | |
2439 | numamem->proximity[0] = node; | |
04ed3ea8 | 2440 | numamem->flags = cpu_to_le32(flags); |
72c194f7 MT |
2441 | numamem->base_addr = cpu_to_le64(base); |
2442 | numamem->range_length = cpu_to_le64(len); | |
2443 | } | |
2444 | ||
2445 | static void | |
3d3ebcad | 2446 | build_srat(GArray *table_data, GArray *linker, MachineState *machine) |
72c194f7 MT |
2447 | { |
2448 | AcpiSystemResourceAffinityTable *srat; | |
2449 | AcpiSratProcessorAffinity *core; | |
2450 | AcpiSratMemoryAffinity *numamem; | |
2451 | ||
2452 | int i; | |
2453 | uint64_t curnode; | |
2454 | int srat_start, numa_start, slots; | |
2455 | uint64_t mem_len, mem_base, next_base; | |
5803fce3 IM |
2456 | MachineClass *mc = MACHINE_GET_CLASS(machine); |
2457 | CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(machine); | |
3d3ebcad | 2458 | PCMachineState *pcms = PC_MACHINE(machine); |
cec65193 IM |
2459 | ram_addr_t hotplugabble_address_space_size = |
2460 | object_property_get_int(OBJECT(pcms), PC_MACHINE_MEMHP_REGION_SIZE, | |
2461 | NULL); | |
72c194f7 MT |
2462 | |
2463 | srat_start = table_data->len; | |
2464 | ||
2465 | srat = acpi_data_push(table_data, sizeof *srat); | |
2466 | srat->reserved1 = cpu_to_le32(1); | |
72c194f7 | 2467 | |
5803fce3 IM |
2468 | for (i = 0; i < apic_ids->len; i++) { |
2469 | int apic_id = apic_ids->cpus[i].arch_id; | |
2470 | ||
72c194f7 MT |
2471 | core = acpi_data_push(table_data, sizeof *core); |
2472 | core->type = ACPI_SRAT_PROCESSOR; | |
2473 | core->length = sizeof(*core); | |
5803fce3 IM |
2474 | core->local_apic_id = apic_id; |
2475 | curnode = pcms->node_cpu[apic_id]; | |
72c194f7 MT |
2476 | core->proximity_lo = curnode; |
2477 | memset(core->proximity_hi, 0, 3); | |
2478 | core->local_sapic_eid = 0; | |
dd0247e0 | 2479 | core->flags = cpu_to_le32(1); |
72c194f7 MT |
2480 | } |
2481 | ||
2482 | ||
2483 | /* the memory map is a bit tricky, it contains at least one hole | |
2484 | * from 640k-1M and possibly another one from 3.5G-4G. | |
2485 | */ | |
2486 | next_base = 0; | |
2487 | numa_start = table_data->len; | |
2488 | ||
2489 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
04ed3ea8 | 2490 | acpi_build_srat_memory(numamem, 0, 640*1024, 0, MEM_AFFINITY_ENABLED); |
72c194f7 | 2491 | next_base = 1024 * 1024; |
dd4c2f01 | 2492 | for (i = 1; i < pcms->numa_nodes + 1; ++i) { |
72c194f7 | 2493 | mem_base = next_base; |
dd4c2f01 | 2494 | mem_len = pcms->node_mem[i - 1]; |
72c194f7 MT |
2495 | if (i == 1) { |
2496 | mem_len -= 1024 * 1024; | |
2497 | } | |
2498 | next_base = mem_base + mem_len; | |
2499 | ||
2500 | /* Cut out the ACPI_PCI hole */ | |
5299f1c7 EH |
2501 | if (mem_base <= pcms->below_4g_mem_size && |
2502 | next_base > pcms->below_4g_mem_size) { | |
2503 | mem_len -= next_base - pcms->below_4g_mem_size; | |
72c194f7 MT |
2504 | if (mem_len > 0) { |
2505 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
04ed3ea8 IM |
2506 | acpi_build_srat_memory(numamem, mem_base, mem_len, i - 1, |
2507 | MEM_AFFINITY_ENABLED); | |
72c194f7 MT |
2508 | } |
2509 | mem_base = 1ULL << 32; | |
5299f1c7 EH |
2510 | mem_len = next_base - pcms->below_4g_mem_size; |
2511 | next_base += (1ULL << 32) - pcms->below_4g_mem_size; | |
72c194f7 MT |
2512 | } |
2513 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
04ed3ea8 IM |
2514 | acpi_build_srat_memory(numamem, mem_base, mem_len, i - 1, |
2515 | MEM_AFFINITY_ENABLED); | |
72c194f7 MT |
2516 | } |
2517 | slots = (table_data->len - numa_start) / sizeof *numamem; | |
dd4c2f01 | 2518 | for (; slots < pcms->numa_nodes + 2; slots++) { |
72c194f7 | 2519 | numamem = acpi_data_push(table_data, sizeof *numamem); |
04ed3ea8 | 2520 | acpi_build_srat_memory(numamem, 0, 0, 0, MEM_AFFINITY_NOFLAGS); |
72c194f7 MT |
2521 | } |
2522 | ||
cec65193 IM |
2523 | /* |
2524 | * Entry is required for Windows to enable memory hotplug in OS. | |
2525 | * Memory devices may override proximity set by this entry, | |
2526 | * providing _PXM method if necessary. | |
2527 | */ | |
2528 | if (hotplugabble_address_space_size) { | |
2529 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
a7d69ff1 | 2530 | acpi_build_srat_memory(numamem, pcms->hotplug_memory.base, |
cec65193 IM |
2531 | hotplugabble_address_space_size, 0, |
2532 | MEM_AFFINITY_HOTPLUGGABLE | | |
2533 | MEM_AFFINITY_ENABLED); | |
2534 | } | |
2535 | ||
72c194f7 MT |
2536 | build_header(linker, table_data, |
2537 | (void *)(table_data->data + srat_start), | |
821e3227 | 2538 | "SRAT", |
37ad223c | 2539 | table_data->len - srat_start, 1, NULL, NULL); |
5803fce3 | 2540 | g_free(apic_ids); |
72c194f7 MT |
2541 | } |
2542 | ||
2543 | static void | |
2544 | build_mcfg_q35(GArray *table_data, GArray *linker, AcpiMcfgInfo *info) | |
2545 | { | |
2546 | AcpiTableMcfg *mcfg; | |
821e3227 | 2547 | const char *sig; |
72c194f7 MT |
2548 | int len = sizeof(*mcfg) + 1 * sizeof(mcfg->allocation[0]); |
2549 | ||
2550 | mcfg = acpi_data_push(table_data, len); | |
2551 | mcfg->allocation[0].address = cpu_to_le64(info->mcfg_base); | |
2552 | /* Only a single allocation so no need to play with segments */ | |
2553 | mcfg->allocation[0].pci_segment = cpu_to_le16(0); | |
2554 | mcfg->allocation[0].start_bus_number = 0; | |
2555 | mcfg->allocation[0].end_bus_number = PCIE_MMCFG_BUS(info->mcfg_size - 1); | |
2556 | ||
2557 | /* MCFG is used for ECAM which can be enabled or disabled by guest. | |
2558 | * To avoid table size changes (which create migration issues), | |
2559 | * always create the table even if there are no allocations, | |
2560 | * but set the signature to a reserved value in this case. | |
2561 | * ACPI spec requires OSPMs to ignore such tables. | |
2562 | */ | |
2563 | if (info->mcfg_base == PCIE_BASE_ADDR_UNMAPPED) { | |
821e3227 MT |
2564 | /* Reserved signature: ignored by OSPM */ |
2565 | sig = "QEMU"; | |
72c194f7 | 2566 | } else { |
821e3227 | 2567 | sig = "MCFG"; |
72c194f7 | 2568 | } |
37ad223c | 2569 | build_header(linker, table_data, (void *)mcfg, sig, len, 1, NULL, NULL); |
72c194f7 MT |
2570 | } |
2571 | ||
d4eb9119 LT |
2572 | static void |
2573 | build_dmar_q35(GArray *table_data, GArray *linker) | |
2574 | { | |
2575 | int dmar_start = table_data->len; | |
2576 | ||
2577 | AcpiTableDmar *dmar; | |
2578 | AcpiDmarHardwareUnit *drhd; | |
2579 | ||
2580 | dmar = acpi_data_push(table_data, sizeof(*dmar)); | |
2581 | dmar->host_address_width = VTD_HOST_ADDRESS_WIDTH - 1; | |
2582 | dmar->flags = 0; /* No intr_remap for now */ | |
2583 | ||
2584 | /* DMAR Remapping Hardware Unit Definition structure */ | |
2585 | drhd = acpi_data_push(table_data, sizeof(*drhd)); | |
2586 | drhd->type = cpu_to_le16(ACPI_DMAR_TYPE_HARDWARE_UNIT); | |
2587 | drhd->length = cpu_to_le16(sizeof(*drhd)); /* No device scope now */ | |
2588 | drhd->flags = ACPI_DMAR_INCLUDE_PCI_ALL; | |
2589 | drhd->pci_segment = cpu_to_le16(0); | |
2590 | drhd->address = cpu_to_le64(Q35_HOST_BRIDGE_IOMMU_ADDR); | |
2591 | ||
2592 | build_header(linker, table_data, (void *)(table_data->data + dmar_start), | |
37ad223c | 2593 | "DMAR", table_data->len - dmar_start, 1, NULL, NULL); |
d4eb9119 LT |
2594 | } |
2595 | ||
72c194f7 MT |
2596 | static GArray * |
2597 | build_rsdp(GArray *rsdp_table, GArray *linker, unsigned rsdt) | |
2598 | { | |
2599 | AcpiRsdpDescriptor *rsdp = acpi_data_push(rsdp_table, sizeof *rsdp); | |
2600 | ||
d67aadcc | 2601 | bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, 16, |
72c194f7 MT |
2602 | true /* fseg memory */); |
2603 | ||
821e3227 | 2604 | memcpy(&rsdp->signature, "RSD PTR ", 8); |
72c194f7 MT |
2605 | memcpy(rsdp->oem_id, ACPI_BUILD_APPNAME6, 6); |
2606 | rsdp->rsdt_physical_address = cpu_to_le32(rsdt); | |
2607 | /* Address to be filled by Guest linker */ | |
2608 | bios_linker_loader_add_pointer(linker, ACPI_BUILD_RSDP_FILE, | |
2609 | ACPI_BUILD_TABLE_FILE, | |
2610 | rsdp_table, &rsdp->rsdt_physical_address, | |
2611 | sizeof rsdp->rsdt_physical_address); | |
2612 | rsdp->checksum = 0; | |
2613 | /* Checksum to be filled by Guest linker */ | |
2614 | bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, | |
b54ca0c3 MT |
2615 | rsdp_table, rsdp, sizeof *rsdp, |
2616 | &rsdp->checksum); | |
72c194f7 MT |
2617 | |
2618 | return rsdp_table; | |
2619 | } | |
2620 | ||
72c194f7 MT |
2621 | typedef |
2622 | struct AcpiBuildState { | |
2623 | /* Copy of table in RAM (for patching). */ | |
339240b5 | 2624 | MemoryRegion *table_mr; |
72c194f7 MT |
2625 | /* Is table patched? */ |
2626 | uint8_t patched; | |
d70414a5 | 2627 | void *rsdp; |
339240b5 PB |
2628 | MemoryRegion *rsdp_mr; |
2629 | MemoryRegion *linker_mr; | |
72c194f7 MT |
2630 | } AcpiBuildState; |
2631 | ||
2632 | static bool acpi_get_mcfg(AcpiMcfgInfo *mcfg) | |
2633 | { | |
2634 | Object *pci_host; | |
2635 | QObject *o; | |
72c194f7 | 2636 | |
ca6c1855 | 2637 | pci_host = acpi_get_i386_pci_host(); |
72c194f7 MT |
2638 | g_assert(pci_host); |
2639 | ||
2640 | o = object_property_get_qobject(pci_host, PCIE_HOST_MCFG_BASE, NULL); | |
2641 | if (!o) { | |
2642 | return false; | |
2643 | } | |
2644 | mcfg->mcfg_base = qint_get_int(qobject_to_qint(o)); | |
097a97a6 | 2645 | qobject_decref(o); |
72c194f7 MT |
2646 | |
2647 | o = object_property_get_qobject(pci_host, PCIE_HOST_MCFG_SIZE, NULL); | |
2648 | assert(o); | |
2649 | mcfg->mcfg_size = qint_get_int(qobject_to_qint(o)); | |
097a97a6 | 2650 | qobject_decref(o); |
72c194f7 MT |
2651 | return true; |
2652 | } | |
2653 | ||
d4eb9119 LT |
2654 | static bool acpi_has_iommu(void) |
2655 | { | |
2656 | bool ambiguous; | |
2657 | Object *intel_iommu; | |
2658 | ||
2659 | intel_iommu = object_resolve_path_type("", TYPE_INTEL_IOMMU_DEVICE, | |
2660 | &ambiguous); | |
2661 | return intel_iommu && !ambiguous; | |
2662 | } | |
2663 | ||
72c194f7 | 2664 | static |
3d3ebcad | 2665 | void acpi_build(AcpiBuildTables *tables, MachineState *machine) |
72c194f7 | 2666 | { |
3d3ebcad | 2667 | PCMachineState *pcms = PC_MACHINE(machine); |
bb292f5a | 2668 | PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); |
72c194f7 | 2669 | GArray *table_offsets; |
41fa5c04 | 2670 | unsigned facs, dsdt, rsdt, fadt; |
72c194f7 MT |
2671 | AcpiCpuInfo cpu; |
2672 | AcpiPmInfo pm; | |
2673 | AcpiMiscInfo misc; | |
2674 | AcpiMcfgInfo mcfg; | |
2675 | PcPciInfo pci; | |
2676 | uint8_t *u; | |
07fb6176 | 2677 | size_t aml_len = 0; |
7c2c1fa5 | 2678 | GArray *tables_blob = tables->table_data; |
ae123749 | 2679 | AcpiSlicOem slic_oem = { .id = NULL, .table_id = NULL }; |
72c194f7 MT |
2680 | |
2681 | acpi_get_cpu_info(&cpu); | |
2682 | acpi_get_pm_info(&pm); | |
72c194f7 MT |
2683 | acpi_get_misc_info(&misc); |
2684 | acpi_get_pci_info(&pci); | |
ae123749 | 2685 | acpi_get_slic_oem(&slic_oem); |
72c194f7 MT |
2686 | |
2687 | table_offsets = g_array_new(false, true /* clear */, | |
2688 | sizeof(uint32_t)); | |
8b310fc4 | 2689 | ACPI_BUILD_DPRINTF("init ACPI tables\n"); |
72c194f7 MT |
2690 | |
2691 | bios_linker_loader_alloc(tables->linker, ACPI_BUILD_TABLE_FILE, | |
2692 | 64 /* Ensure FACS is aligned */, | |
2693 | false /* high memory */); | |
2694 | ||
2695 | /* | |
2696 | * FACS is pointed to by FADT. | |
2697 | * We place it first since it's the only table that has alignment | |
2698 | * requirements. | |
2699 | */ | |
7c2c1fa5 | 2700 | facs = tables_blob->len; |
fb306ffe | 2701 | build_facs(tables_blob, tables->linker); |
72c194f7 MT |
2702 | |
2703 | /* DSDT is pointed to by FADT */ | |
7c2c1fa5 | 2704 | dsdt = tables_blob->len; |
3d3ebcad | 2705 | build_dsdt(tables_blob, tables->linker, &cpu, &pm, &misc, &pci, machine); |
72c194f7 | 2706 | |
07fb6176 PB |
2707 | /* Count the size of the DSDT and SSDT, we will need it for legacy |
2708 | * sizing of ACPI tables. | |
2709 | */ | |
7c2c1fa5 | 2710 | aml_len += tables_blob->len - dsdt; |
07fb6176 | 2711 | |
72c194f7 | 2712 | /* ACPI tables pointed to by RSDT */ |
41fa5c04 | 2713 | fadt = tables_blob->len; |
7c2c1fa5 | 2714 | acpi_add_table(table_offsets, tables_blob); |
ae123749 LE |
2715 | build_fadt(tables_blob, tables->linker, &pm, facs, dsdt, |
2716 | slic_oem.id, slic_oem.table_id); | |
41fa5c04 | 2717 | aml_len += tables_blob->len - fadt; |
72c194f7 | 2718 | |
7c2c1fa5 | 2719 | acpi_add_table(table_offsets, tables_blob); |
3d3ebcad | 2720 | build_madt(tables_blob, tables->linker, pcms, &cpu); |
9ac1c4c0 | 2721 | |
72c194f7 | 2722 | if (misc.has_hpet) { |
7c2c1fa5 IM |
2723 | acpi_add_table(table_offsets, tables_blob); |
2724 | build_hpet(tables_blob, tables->linker); | |
711b20b4 | 2725 | } |
5cb18b3d | 2726 | if (misc.tpm_version != TPM_VERSION_UNSPEC) { |
7c2c1fa5 IM |
2727 | acpi_add_table(table_offsets, tables_blob); |
2728 | build_tpm_tcpa(tables_blob, tables->linker, tables->tcpalog); | |
711b20b4 | 2729 | |
72d97b3a IM |
2730 | if (misc.tpm_version == TPM_VERSION_2_0) { |
2731 | acpi_add_table(table_offsets, tables_blob); | |
5cb18b3d | 2732 | build_tpm2(tables_blob, tables->linker); |
5cb18b3d | 2733 | } |
72c194f7 | 2734 | } |
dd4c2f01 | 2735 | if (pcms->numa_nodes) { |
7c2c1fa5 | 2736 | acpi_add_table(table_offsets, tables_blob); |
3d3ebcad | 2737 | build_srat(tables_blob, tables->linker, machine); |
72c194f7 MT |
2738 | } |
2739 | if (acpi_get_mcfg(&mcfg)) { | |
7c2c1fa5 IM |
2740 | acpi_add_table(table_offsets, tables_blob); |
2741 | build_mcfg_q35(tables_blob, tables->linker, &mcfg); | |
72c194f7 | 2742 | } |
d4eb9119 | 2743 | if (acpi_has_iommu()) { |
7c2c1fa5 IM |
2744 | acpi_add_table(table_offsets, tables_blob); |
2745 | build_dmar_q35(tables_blob, tables->linker); | |
d4eb9119 | 2746 | } |
5fe79386 | 2747 | if (pcms->acpi_nvdimm_state.is_enabled) { |
87252e1b XG |
2748 | nvdimm_build_acpi(table_offsets, tables_blob, tables->linker); |
2749 | } | |
2750 | ||
72c194f7 MT |
2751 | /* Add tables supplied by user (if any) */ |
2752 | for (u = acpi_table_first(); u; u = acpi_table_next(u)) { | |
2753 | unsigned len = acpi_table_len(u); | |
2754 | ||
7c2c1fa5 IM |
2755 | acpi_add_table(table_offsets, tables_blob); |
2756 | g_array_append_vals(tables_blob, u, len); | |
72c194f7 MT |
2757 | } |
2758 | ||
2759 | /* RSDT is pointed to by RSDP */ | |
7c2c1fa5 | 2760 | rsdt = tables_blob->len; |
ae123749 LE |
2761 | build_rsdt(tables_blob, tables->linker, table_offsets, |
2762 | slic_oem.id, slic_oem.table_id); | |
72c194f7 MT |
2763 | |
2764 | /* RSDP is in FSEG memory, so allocate it separately */ | |
2765 | build_rsdp(tables->rsdp, tables->linker, rsdt); | |
2766 | ||
07fb6176 | 2767 | /* We'll expose it all to Guest so we want to reduce |
72c194f7 | 2768 | * chance of size changes. |
07fb6176 PB |
2769 | * |
2770 | * We used to align the tables to 4k, but of course this would | |
2771 | * too simple to be enough. 4k turned out to be too small an | |
2772 | * alignment very soon, and in fact it is almost impossible to | |
2773 | * keep the table size stable for all (max_cpus, max_memory_slots) | |
2774 | * combinations. So the table size is always 64k for pc-i440fx-2.1 | |
2775 | * and we give an error if the table grows beyond that limit. | |
2776 | * | |
2777 | * We still have the problem of migrating from "-M pc-i440fx-2.0". For | |
2778 | * that, we exploit the fact that QEMU 2.1 generates _smaller_ tables | |
2779 | * than 2.0 and we can always pad the smaller tables with zeros. We can | |
2780 | * then use the exact size of the 2.0 tables. | |
2781 | * | |
2782 | * All this is for PIIX4, since QEMU 2.0 didn't support Q35 migration. | |
72c194f7 | 2783 | */ |
bb292f5a | 2784 | if (pcmc->legacy_acpi_table_size) { |
07fb6176 PB |
2785 | /* Subtracting aml_len gives the size of fixed tables. Then add the |
2786 | * size of the PIIX4 DSDT/SSDT in QEMU 2.0. | |
2787 | */ | |
2788 | int legacy_aml_len = | |
bb292f5a | 2789 | pcmc->legacy_acpi_table_size + |
07fb6176 PB |
2790 | ACPI_BUILD_LEGACY_CPU_AML_SIZE * max_cpus; |
2791 | int legacy_table_size = | |
7c2c1fa5 | 2792 | ROUND_UP(tables_blob->len - aml_len + legacy_aml_len, |
07fb6176 | 2793 | ACPI_BUILD_ALIGN_SIZE); |
7c2c1fa5 | 2794 | if (tables_blob->len > legacy_table_size) { |
07fb6176 | 2795 | /* Should happen only with PCI bridges and -M pc-i440fx-2.0. */ |
868270f2 | 2796 | error_report("Warning: migration may not work."); |
07fb6176 | 2797 | } |
7c2c1fa5 | 2798 | g_array_set_size(tables_blob, legacy_table_size); |
07fb6176 | 2799 | } else { |
868270f2 | 2800 | /* Make sure we have a buffer in case we need to resize the tables. */ |
7c2c1fa5 | 2801 | if (tables_blob->len > ACPI_BUILD_TABLE_SIZE / 2) { |
18045fb9 | 2802 | /* As of QEMU 2.1, this fires with 160 VCPUs and 255 memory slots. */ |
868270f2 MT |
2803 | error_report("Warning: ACPI tables are larger than 64k."); |
2804 | error_report("Warning: migration may not work."); | |
2805 | error_report("Warning: please remove CPUs, NUMA nodes, " | |
2806 | "memory slots or PCI bridges."); | |
18045fb9 | 2807 | } |
7c2c1fa5 | 2808 | acpi_align_size(tables_blob, ACPI_BUILD_TABLE_SIZE); |
07fb6176 | 2809 | } |
72c194f7 | 2810 | |
07fb6176 | 2811 | acpi_align_size(tables->linker, ACPI_BUILD_ALIGN_SIZE); |
72c194f7 MT |
2812 | |
2813 | /* Cleanup memory that's no longer used. */ | |
2814 | g_array_free(table_offsets, true); | |
2815 | } | |
2816 | ||
339240b5 | 2817 | static void acpi_ram_update(MemoryRegion *mr, GArray *data) |
42d85900 MT |
2818 | { |
2819 | uint32_t size = acpi_data_len(data); | |
2820 | ||
2821 | /* Make sure RAM size is correct - in case it got changed e.g. by migration */ | |
339240b5 | 2822 | memory_region_ram_resize(mr, size, &error_abort); |
42d85900 | 2823 | |
339240b5 PB |
2824 | memcpy(memory_region_get_ram_ptr(mr), data->data, size); |
2825 | memory_region_set_dirty(mr, 0, size); | |
42d85900 MT |
2826 | } |
2827 | ||
3f8752b4 | 2828 | static void acpi_build_update(void *build_opaque) |
72c194f7 MT |
2829 | { |
2830 | AcpiBuildState *build_state = build_opaque; | |
2831 | AcpiBuildTables tables; | |
2832 | ||
2833 | /* No state to update or already patched? Nothing to do. */ | |
2834 | if (!build_state || build_state->patched) { | |
2835 | return; | |
2836 | } | |
2837 | build_state->patched = 1; | |
2838 | ||
2839 | acpi_build_tables_init(&tables); | |
2840 | ||
3d3ebcad | 2841 | acpi_build(&tables, MACHINE(qdev_get_machine())); |
72c194f7 | 2842 | |
339240b5 | 2843 | acpi_ram_update(build_state->table_mr, tables.table_data); |
a1666142 | 2844 | |
42d85900 MT |
2845 | if (build_state->rsdp) { |
2846 | memcpy(build_state->rsdp, tables.rsdp->data, acpi_data_len(tables.rsdp)); | |
2847 | } else { | |
339240b5 | 2848 | acpi_ram_update(build_state->rsdp_mr, tables.rsdp); |
42d85900 | 2849 | } |
ad5b88b1 | 2850 | |
339240b5 | 2851 | acpi_ram_update(build_state->linker_mr, tables.linker); |
72c194f7 MT |
2852 | acpi_build_tables_cleanup(&tables, true); |
2853 | } | |
2854 | ||
2855 | static void acpi_build_reset(void *build_opaque) | |
2856 | { | |
2857 | AcpiBuildState *build_state = build_opaque; | |
2858 | build_state->patched = 0; | |
2859 | } | |
2860 | ||
339240b5 PB |
2861 | static MemoryRegion *acpi_add_rom_blob(AcpiBuildState *build_state, |
2862 | GArray *blob, const char *name, | |
2863 | uint64_t max_size) | |
72c194f7 | 2864 | { |
a1666142 MT |
2865 | return rom_add_blob(name, blob->data, acpi_data_len(blob), max_size, -1, |
2866 | name, acpi_build_update, build_state); | |
72c194f7 MT |
2867 | } |
2868 | ||
2869 | static const VMStateDescription vmstate_acpi_build = { | |
2870 | .name = "acpi_build", | |
2871 | .version_id = 1, | |
2872 | .minimum_version_id = 1, | |
d49805ae | 2873 | .fields = (VMStateField[]) { |
72c194f7 MT |
2874 | VMSTATE_UINT8(patched, AcpiBuildState), |
2875 | VMSTATE_END_OF_LIST() | |
2876 | }, | |
2877 | }; | |
2878 | ||
fb306ffe | 2879 | void acpi_setup(void) |
72c194f7 | 2880 | { |
fb306ffe | 2881 | PCMachineState *pcms = PC_MACHINE(qdev_get_machine()); |
bb292f5a | 2882 | PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); |
72c194f7 MT |
2883 | AcpiBuildTables tables; |
2884 | AcpiBuildState *build_state; | |
2885 | ||
f264d360 | 2886 | if (!pcms->fw_cfg) { |
8b310fc4 | 2887 | ACPI_BUILD_DPRINTF("No fw cfg. Bailing out.\n"); |
72c194f7 MT |
2888 | return; |
2889 | } | |
2890 | ||
bb292f5a | 2891 | if (!pcmc->has_acpi_build) { |
8b310fc4 | 2892 | ACPI_BUILD_DPRINTF("ACPI build disabled. Bailing out.\n"); |
72c194f7 MT |
2893 | return; |
2894 | } | |
2895 | ||
81adc513 | 2896 | if (!acpi_enabled) { |
8b310fc4 | 2897 | ACPI_BUILD_DPRINTF("ACPI disabled. Bailing out.\n"); |
81adc513 MT |
2898 | return; |
2899 | } | |
2900 | ||
72c194f7 MT |
2901 | build_state = g_malloc0(sizeof *build_state); |
2902 | ||
99fd437d MT |
2903 | acpi_set_pci_info(); |
2904 | ||
72c194f7 | 2905 | acpi_build_tables_init(&tables); |
3d3ebcad | 2906 | acpi_build(&tables, MACHINE(pcms)); |
72c194f7 MT |
2907 | |
2908 | /* Now expose it all to Guest */ | |
339240b5 | 2909 | build_state->table_mr = acpi_add_rom_blob(build_state, tables.table_data, |
a1666142 MT |
2910 | ACPI_BUILD_TABLE_FILE, |
2911 | ACPI_BUILD_TABLE_MAX_SIZE); | |
339240b5 | 2912 | assert(build_state->table_mr != NULL); |
72c194f7 | 2913 | |
339240b5 | 2914 | build_state->linker_mr = |
6e00619b | 2915 | acpi_add_rom_blob(build_state, tables.linker, "etc/table-loader", 0); |
72c194f7 | 2916 | |
f264d360 | 2917 | fw_cfg_add_file(pcms->fw_cfg, ACPI_BUILD_TPMLOG_FILE, |
42a5b308 SB |
2918 | tables.tcpalog->data, acpi_data_len(tables.tcpalog)); |
2919 | ||
bb292f5a | 2920 | if (!pcmc->rsdp_in_ram) { |
358774d7 IM |
2921 | /* |
2922 | * Keep for compatibility with old machine types. | |
2923 | * Though RSDP is small, its contents isn't immutable, so | |
afaa2e4b | 2924 | * we'll update it along with the rest of tables on guest access. |
358774d7 | 2925 | */ |
afaa2e4b MT |
2926 | uint32_t rsdp_size = acpi_data_len(tables.rsdp); |
2927 | ||
2928 | build_state->rsdp = g_memdup(tables.rsdp->data, rsdp_size); | |
f264d360 | 2929 | fw_cfg_add_file_callback(pcms->fw_cfg, ACPI_BUILD_RSDP_FILE, |
358774d7 | 2930 | acpi_build_update, build_state, |
afaa2e4b | 2931 | build_state->rsdp, rsdp_size); |
339240b5 | 2932 | build_state->rsdp_mr = NULL; |
358774d7 | 2933 | } else { |
42d85900 | 2934 | build_state->rsdp = NULL; |
339240b5 | 2935 | build_state->rsdp_mr = acpi_add_rom_blob(build_state, tables.rsdp, |
42d85900 | 2936 | ACPI_BUILD_RSDP_FILE, 0); |
358774d7 | 2937 | } |
72c194f7 MT |
2938 | |
2939 | qemu_register_reset(acpi_build_reset, build_state); | |
2940 | acpi_build_reset(build_state); | |
2941 | vmstate_register(NULL, 0, &vmstate_acpi_build, build_state); | |
2942 | ||
2943 | /* Cleanup tables but don't free the memory: we track it | |
2944 | * in build_state. | |
2945 | */ | |
2946 | acpi_build_tables_cleanup(&tables, false); | |
2947 | } |