]>
Commit | Line | Data |
---|---|---|
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" |
da34e65c | 24 | #include "qapi/error.h" |
15280c36 | 25 | #include "qapi/qmp/qnum.h" |
72c194f7 | 26 | #include "acpi-build.h" |
eb66ffab | 27 | #include "acpi-common.h" |
72c194f7 | 28 | #include "qemu/bitmap.h" |
07fb6176 | 29 | #include "qemu/error-report.h" |
72c194f7 | 30 | #include "hw/pci/pci.h" |
2e5b09fd | 31 | #include "hw/core/cpu.h" |
fcf5ef2a | 32 | #include "target/i386/cpu.h" |
0d5d8a3a | 33 | #include "hw/misc/pvpanic.h" |
72c194f7 | 34 | #include "hw/timer/hpet.h" |
395e5fb4 | 35 | #include "hw/acpi/acpi-defs.h" |
72c194f7 | 36 | #include "hw/acpi/acpi.h" |
679dd1a9 | 37 | #include "hw/acpi/cpu.h" |
72c194f7 | 38 | #include "hw/nvram/fw_cfg.h" |
0058ae1d | 39 | #include "hw/acpi/bios-linker-loader.h" |
15bce1b7 | 40 | #include "hw/isa/isa.h" |
27b9fc54 | 41 | #include "hw/block/fdc.h" |
bef3492d | 42 | #include "hw/acpi/memory_hotplug.h" |
711b20b4 SB |
43 | #include "sysemu/tpm.h" |
44 | #include "hw/acpi/tpm.h" | |
d03637bc | 45 | #include "hw/acpi/vmgenid.h" |
5cb18b3d | 46 | #include "sysemu/tpm_backend.h" |
bcdb9064 | 47 | #include "hw/rtc/mc146818rtc_regs.h" |
d6454270 | 48 | #include "migration/vmstate.h" |
2cc0e2e8 | 49 | #include "hw/mem/memory-device.h" |
4b997690 | 50 | #include "hw/mem/nvdimm.h" |
1f3aba37 | 51 | #include "sysemu/numa.h" |
71e8a915 | 52 | #include "sysemu/reset.h" |
6775d15d | 53 | #include "hw/hyperv/vmbus-bridge.h" |
72c194f7 MT |
54 | |
55 | /* Supported chipsets: */ | |
fff123b8 | 56 | #include "hw/southbridge/piix.h" |
99fd437d | 57 | #include "hw/acpi/pcihp.h" |
89a289c7 | 58 | #include "hw/i386/fw_cfg.h" |
72c194f7 MT |
59 | #include "hw/i386/ich9.h" |
60 | #include "hw/pci/pci_bus.h" | |
61 | #include "hw/pci-host/q35.h" | |
1cf5fd57 | 62 | #include "hw/i386/x86-iommu.h" |
72c194f7 | 63 | |
19934e0e | 64 | #include "hw/acpi/aml-build.h" |
82f76c67 | 65 | #include "hw/acpi/utils.h" |
48cefd94 | 66 | #include "hw/acpi/pci.h" |
19934e0e | 67 | |
72c194f7 | 68 | #include "qom/qom-qobject.h" |
fb9f5926 DK |
69 | #include "hw/i386/amd_iommu.h" |
70 | #include "hw/i386/intel_iommu.h" | |
72c194f7 | 71 | |
86e91dd7 | 72 | #include "hw/acpi/ipmi.h" |
e6f123c3 | 73 | #include "hw/acpi/hmat.h" |
86e91dd7 | 74 | |
07fb6176 PB |
75 | /* These are used to size the ACPI tables for -M pc-i440fx-1.7 and |
76 | * -M pc-i440fx-2.0. Even if the actual amount of AML generated grows | |
77 | * a little bit, there should be plenty of free space since the DSDT | |
78 | * shrunk by ~1.5k between QEMU 2.0 and QEMU 2.1. | |
79 | */ | |
80 | #define ACPI_BUILD_LEGACY_CPU_AML_SIZE 97 | |
81 | #define ACPI_BUILD_ALIGN_SIZE 0x1000 | |
82 | ||
868270f2 | 83 | #define ACPI_BUILD_TABLE_SIZE 0x20000 |
18045fb9 | 84 | |
8b310fc4 GA |
85 | /* #define DEBUG_ACPI_BUILD */ |
86 | #ifdef DEBUG_ACPI_BUILD | |
87 | #define ACPI_BUILD_DPRINTF(fmt, ...) \ | |
88 | do {printf("ACPI_BUILD: " fmt, ## __VA_ARGS__); } while (0) | |
89 | #else | |
90 | #define ACPI_BUILD_DPRINTF(fmt, ...) | |
91 | #endif | |
92 | ||
72c194f7 MT |
93 | typedef struct AcpiPmInfo { |
94 | bool s3_disabled; | |
95 | bool s4_disabled; | |
133a2da4 | 96 | bool pcihp_bridge_en; |
6d837f1f | 97 | bool smi_on_cpuhp; |
892aae74 | 98 | bool smi_on_cpu_unplug; |
df4008c9 | 99 | bool pcihp_root_en; |
72c194f7 | 100 | uint8_t s4_val; |
937d1b58 | 101 | AcpiFadtData fadt; |
ddf1ec2f | 102 | uint16_t cpu_hp_io_base; |
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; |
11fb99e6 | 110 | #ifdef CONFIG_TPM |
5cb18b3d | 111 | TPMVersion tpm_version; |
11fb99e6 | 112 | #endif |
72c194f7 MT |
113 | const unsigned char *dsdt_code; |
114 | unsigned dsdt_size; | |
115 | uint16_t pvpanic_port; | |
8ac6f7a6 | 116 | uint16_t applesmc_io_base; |
72c194f7 MT |
117 | } AcpiMiscInfo; |
118 | ||
99fd437d MT |
119 | typedef struct AcpiBuildPciBusHotplugState { |
120 | GArray *device_table; | |
121 | GArray *notify_table; | |
122 | struct AcpiBuildPciBusHotplugState *parent; | |
133a2da4 | 123 | bool pcihp_bridge_en; |
99fd437d MT |
124 | } AcpiBuildPciBusHotplugState; |
125 | ||
0fe24669 SB |
126 | typedef struct FwCfgTPMConfig { |
127 | uint32_t tpmppi_address; | |
128 | uint8_t tpm_version; | |
129 | uint8_t tpmppi_version; | |
130 | } QEMU_PACKED FwCfgTPMConfig; | |
131 | ||
4a441836 GH |
132 | static bool acpi_get_mcfg(AcpiMcfgInfo *mcfg); |
133 | ||
5c94b826 KL |
134 | const struct AcpiGenericAddress x86_nvdimm_acpi_dsmio = { |
135 | .space_id = AML_AS_SYSTEM_IO, | |
136 | .address = NVDIMM_ACPI_IO_BASE, | |
137 | .bit_width = NVDIMM_ACPI_IO_LEN << 3 | |
138 | }; | |
139 | ||
0e11fc69 LX |
140 | static void init_common_fadt_data(MachineState *ms, Object *o, |
141 | AcpiFadtData *data) | |
937d1b58 | 142 | { |
33b44fda IY |
143 | X86MachineState *x86ms = X86_MACHINE(ms); |
144 | /* | |
145 | * "ICH9-LPC" or "PIIX4_PM" has "smm-compat" property to keep the old | |
146 | * behavior for compatibility irrelevant to smm_enabled, which doesn't | |
147 | * comforms to ACPI spec. | |
148 | */ | |
149 | bool smm_enabled = object_property_get_bool(o, "smm-compat", NULL) ? | |
150 | true : x86_machine_is_smm_enabled(x86ms); | |
937d1b58 IM |
151 | uint32_t io = object_property_get_uint(o, ACPI_PM_PROP_PM_IO_BASE, NULL); |
152 | AmlAddressSpace as = AML_AS_SYSTEM_IO; | |
153 | AcpiFadtData fadt = { | |
154 | .rev = 3, | |
155 | .flags = | |
156 | (1 << ACPI_FADT_F_WBINVD) | | |
157 | (1 << ACPI_FADT_F_PROC_C1) | | |
158 | (1 << ACPI_FADT_F_SLP_BUTTON) | | |
159 | (1 << ACPI_FADT_F_RTC_S4) | | |
160 | (1 << ACPI_FADT_F_USE_PLATFORM_CLOCK) | | |
161 | /* APIC destination mode ("Flat Logical") has an upper limit of 8 | |
162 | * CPUs for more than 8 CPUs, "Clustered Logical" mode has to be | |
163 | * used | |
164 | */ | |
0e11fc69 LX |
165 | ((ms->smp.max_cpus > 8) ? |
166 | (1 << ACPI_FADT_F_FORCE_APIC_CLUSTER_MODEL) : 0), | |
937d1b58 IM |
167 | .int_model = 1 /* Multiple APIC */, |
168 | .rtc_century = RTC_CENTURY, | |
169 | .plvl2_lat = 0xfff /* C2 state not supported */, | |
170 | .plvl3_lat = 0xfff /* C3 state not supported */, | |
33b44fda | 171 | .smi_cmd = smm_enabled ? ACPI_PORT_SMI_CMD : 0, |
937d1b58 IM |
172 | .sci_int = object_property_get_uint(o, ACPI_PM_PROP_SCI_INT, NULL), |
173 | .acpi_enable_cmd = | |
33b44fda IY |
174 | smm_enabled ? |
175 | object_property_get_uint(o, ACPI_PM_PROP_ACPI_ENABLE_CMD, NULL) : | |
176 | 0, | |
937d1b58 | 177 | .acpi_disable_cmd = |
33b44fda IY |
178 | smm_enabled ? |
179 | object_property_get_uint(o, ACPI_PM_PROP_ACPI_DISABLE_CMD, NULL) : | |
180 | 0, | |
937d1b58 IM |
181 | .pm1a_evt = { .space_id = as, .bit_width = 4 * 8, .address = io }, |
182 | .pm1a_cnt = { .space_id = as, .bit_width = 2 * 8, | |
183 | .address = io + 0x04 }, | |
184 | .pm_tmr = { .space_id = as, .bit_width = 4 * 8, .address = io + 0x08 }, | |
185 | .gpe0_blk = { .space_id = as, .bit_width = | |
186 | object_property_get_uint(o, ACPI_PM_PROP_GPE0_BLK_LEN, NULL) * 8, | |
187 | .address = object_property_get_uint(o, ACPI_PM_PROP_GPE0_BLK, NULL) | |
188 | }, | |
189 | }; | |
190 | *data = fadt; | |
191 | } | |
192 | ||
81c48dd7 PMD |
193 | static Object *object_resolve_type_unambiguous(const char *typename) |
194 | { | |
195 | bool ambig; | |
196 | Object *o = object_resolve_path_type("", typename, &ambig); | |
197 | ||
198 | if (ambig || !o) { | |
199 | return NULL; | |
200 | } | |
201 | return o; | |
202 | } | |
203 | ||
0e11fc69 | 204 | static void acpi_get_pm_info(MachineState *machine, AcpiPmInfo *pm) |
72c194f7 | 205 | { |
81c48dd7 PMD |
206 | Object *piix = object_resolve_type_unambiguous(TYPE_PIIX4_PM); |
207 | Object *lpc = object_resolve_type_unambiguous(TYPE_ICH9_LPC_DEVICE); | |
697155cd | 208 | Object *obj = piix ? piix : lpc; |
72c194f7 | 209 | QObject *o; |
94aaca64 | 210 | pm->cpu_hp_io_base = 0; |
500b11ea IM |
211 | pm->pcihp_io_base = 0; |
212 | pm->pcihp_io_len = 0; | |
6d837f1f | 213 | pm->smi_on_cpuhp = false; |
892aae74 | 214 | pm->smi_on_cpu_unplug = false; |
937d1b58 | 215 | |
6fa5171f | 216 | assert(obj); |
a0628599 | 217 | init_common_fadt_data(machine, obj, &pm->fadt); |
72c194f7 | 218 | if (piix) { |
3a3fcc75 | 219 | /* w2k requires FADT(rev1) or it won't boot, keep PC compatible */ |
937d1b58 | 220 | pm->fadt.rev = 1; |
ddf1ec2f | 221 | pm->cpu_hp_io_base = PIIX4_CPU_HOTPLUG_IO_BASE; |
72c194f7 MT |
222 | } |
223 | if (lpc) { | |
6d837f1f IM |
224 | uint64_t smi_features = object_property_get_uint(lpc, |
225 | ICH9_LPC_SMI_NEGOTIATED_FEAT_PROP, NULL); | |
937d1b58 IM |
226 | struct AcpiGenericAddress r = { .space_id = AML_AS_SYSTEM_IO, |
227 | .bit_width = 8, .address = ICH9_RST_CNT_IOPORT }; | |
228 | pm->fadt.reset_reg = r; | |
229 | pm->fadt.reset_val = 0xf; | |
230 | pm->fadt.flags |= 1 << ACPI_FADT_F_RESET_REG_SUP; | |
ddf1ec2f | 231 | pm->cpu_hp_io_base = ICH9_CPU_HOTPLUG_IO_BASE; |
6d837f1f IM |
232 | pm->smi_on_cpuhp = |
233 | !!(smi_features & BIT_ULL(ICH9_LPC_SMI_F_CPU_HOTPLUG_BIT)); | |
892aae74 IM |
234 | pm->smi_on_cpu_unplug = |
235 | !!(smi_features & BIT_ULL(ICH9_LPC_SMI_F_CPU_HOT_UNPLUG_BIT)); | |
72c194f7 | 236 | } |
caf108bc JS |
237 | pm->pcihp_io_base = |
238 | object_property_get_uint(obj, ACPI_PCIHP_IO_BASE_PROP, NULL); | |
239 | pm->pcihp_io_len = | |
240 | object_property_get_uint(obj, ACPI_PCIHP_IO_LEN_PROP, NULL); | |
72c194f7 | 241 | |
937d1b58 IM |
242 | /* The above need not be conditional on machine type because the reset port |
243 | * happens to be the same on PIIX (pc) and ICH9 (q35). */ | |
0063454a | 244 | QEMU_BUILD_BUG_ON(ICH9_RST_CNT_IOPORT != PIIX_RCR_IOPORT); |
937d1b58 | 245 | |
72c194f7 MT |
246 | /* Fill in optional s3/s4 related properties */ |
247 | o = object_property_get_qobject(obj, ACPI_PM_PROP_S3_DISABLED, NULL); | |
248 | if (o) { | |
7dc847eb | 249 | pm->s3_disabled = qnum_get_uint(qobject_to(QNum, o)); |
72c194f7 MT |
250 | } else { |
251 | pm->s3_disabled = false; | |
252 | } | |
cb3e7f08 | 253 | qobject_unref(o); |
72c194f7 MT |
254 | o = object_property_get_qobject(obj, ACPI_PM_PROP_S4_DISABLED, NULL); |
255 | if (o) { | |
7dc847eb | 256 | pm->s4_disabled = qnum_get_uint(qobject_to(QNum, o)); |
72c194f7 MT |
257 | } else { |
258 | pm->s4_disabled = false; | |
259 | } | |
cb3e7f08 | 260 | qobject_unref(o); |
72c194f7 MT |
261 | o = object_property_get_qobject(obj, ACPI_PM_PROP_S4_VAL, NULL); |
262 | if (o) { | |
7dc847eb | 263 | pm->s4_val = qnum_get_uint(qobject_to(QNum, o)); |
72c194f7 MT |
264 | } else { |
265 | pm->s4_val = false; | |
266 | } | |
cb3e7f08 | 267 | qobject_unref(o); |
72c194f7 | 268 | |
133a2da4 IM |
269 | pm->pcihp_bridge_en = |
270 | object_property_get_bool(obj, "acpi-pci-hotplug-with-bridge-support", | |
271 | NULL); | |
df4008c9 AS |
272 | pm->pcihp_root_en = |
273 | object_property_get_bool(obj, "acpi-root-pci-hotplug", | |
274 | NULL); | |
72c194f7 MT |
275 | } |
276 | ||
72c194f7 MT |
277 | static void acpi_get_misc_info(AcpiMiscInfo *info) |
278 | { | |
81c48dd7 PMD |
279 | Object *piix = object_resolve_type_unambiguous(TYPE_PIIX4_PM); |
280 | Object *lpc = object_resolve_type_unambiguous(TYPE_ICH9_LPC_DEVICE); | |
3db119da IM |
281 | assert(!!piix != !!lpc); |
282 | ||
283 | if (piix) { | |
284 | info->is_piix4 = true; | |
285 | } | |
286 | if (lpc) { | |
287 | info->is_piix4 = false; | |
288 | } | |
289 | ||
72c194f7 | 290 | info->has_hpet = hpet_find(); |
11fb99e6 | 291 | #ifdef CONFIG_TPM |
3dfd5a2a | 292 | info->tpm_version = tpm_get_version(tpm_find()); |
11fb99e6 | 293 | #endif |
72c194f7 | 294 | info->pvpanic_port = pvpanic_port(); |
8ac6f7a6 | 295 | info->applesmc_io_base = applesmc_port(); |
72c194f7 MT |
296 | } |
297 | ||
ca6c1855 MA |
298 | /* |
299 | * Because of the PXB hosts we cannot simply query TYPE_PCI_HOST_BRIDGE. | |
300 | * On i386 arch we only have two pci hosts, so we can look only for them. | |
301 | */ | |
c0e427d6 | 302 | Object *acpi_get_i386_pci_host(void) |
ca6c1855 MA |
303 | { |
304 | PCIHostState *host; | |
305 | ||
306 | host = OBJECT_CHECK(PCIHostState, | |
307 | object_resolve_path("/machine/i440fx", NULL), | |
308 | TYPE_PCI_HOST_BRIDGE); | |
309 | if (!host) { | |
310 | host = OBJECT_CHECK(PCIHostState, | |
311 | object_resolve_path("/machine/q35", NULL), | |
312 | TYPE_PCI_HOST_BRIDGE); | |
313 | } | |
314 | ||
315 | return OBJECT(host); | |
316 | } | |
317 | ||
01c9742d | 318 | static void acpi_get_pci_holes(Range *hole, Range *hole64) |
72c194f7 MT |
319 | { |
320 | Object *pci_host; | |
72c194f7 | 321 | |
ca6c1855 | 322 | pci_host = acpi_get_i386_pci_host(); |
c0e427d6 JS |
323 | |
324 | if (!pci_host) { | |
325 | return; | |
326 | } | |
72c194f7 | 327 | |
a0efbf16 | 328 | range_set_bounds1(hole, |
60555365 MAL |
329 | object_property_get_uint(pci_host, |
330 | PCI_HOST_PROP_PCI_HOLE_START, | |
331 | NULL), | |
332 | object_property_get_uint(pci_host, | |
333 | PCI_HOST_PROP_PCI_HOLE_END, | |
334 | NULL)); | |
a0efbf16 | 335 | range_set_bounds1(hole64, |
60555365 MAL |
336 | object_property_get_uint(pci_host, |
337 | PCI_HOST_PROP_PCI_HOLE64_START, | |
338 | NULL), | |
339 | object_property_get_uint(pci_host, | |
340 | PCI_HOST_PROP_PCI_HOLE64_END, | |
341 | NULL)); | |
72c194f7 MT |
342 | } |
343 | ||
72c194f7 MT |
344 | static void acpi_align_size(GArray *blob, unsigned align) |
345 | { | |
346 | /* Align size to multiple of given size. This reduces the chance | |
347 | * we need to change size in the future (breaking cross version migration). | |
348 | */ | |
134d42d6 | 349 | g_array_set_size(blob, ROUND_UP(acpi_data_len(blob), align)); |
72c194f7 MT |
350 | } |
351 | ||
72c194f7 MT |
352 | /* FACS */ |
353 | static void | |
009180bd | 354 | build_facs(GArray *table_data) |
72c194f7 MT |
355 | { |
356 | AcpiFacsDescriptorRev1 *facs = acpi_data_push(table_data, sizeof *facs); | |
821e3227 | 357 | memcpy(&facs->signature, "FACS", 4); |
72c194f7 MT |
358 | facs->length = cpu_to_le32(sizeof(*facs)); |
359 | } | |
360 | ||
62b52c26 | 361 | static void build_append_pcihp_notify_entry(Aml *method, int slot) |
99fd437d | 362 | { |
62b52c26 IM |
363 | Aml *if_ctx; |
364 | int32_t devfn = PCI_DEVFN(slot, 0); | |
365 | ||
5530427f | 366 | if_ctx = aml_if(aml_and(aml_arg(0), aml_int(0x1U << slot), NULL)); |
62b52c26 IM |
367 | aml_append(if_ctx, aml_notify(aml_name("S%.02X", devfn), aml_arg(1))); |
368 | aml_append(method, if_ctx); | |
99fd437d MT |
369 | } |
370 | ||
62b52c26 | 371 | static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, |
b23046ab | 372 | bool pcihp_bridge_en) |
99fd437d | 373 | { |
7dc847eb | 374 | Aml *dev, *notify_method = NULL, *method; |
99fd437d | 375 | QObject *bsel; |
b23046ab IM |
376 | PCIBus *sec; |
377 | int i; | |
133a2da4 | 378 | |
99fd437d MT |
379 | bsel = object_property_get_qobject(OBJECT(bus), ACPI_PCIHP_PROP_BSEL, NULL); |
380 | if (bsel) { | |
7dc847eb | 381 | uint64_t bsel_val = qnum_get_uint(qobject_to(QNum, bsel)); |
62b52c26 IM |
382 | |
383 | aml_append(parent_scope, aml_name_decl("BSEL", aml_int(bsel_val))); | |
4dbfc881 | 384 | notify_method = aml_method("DVNT", 2, AML_NOTSERIALIZED); |
8dcf525a | 385 | } |
99fd437d | 386 | |
8dcf525a MT |
387 | for (i = 0; i < ARRAY_SIZE(bus->devices); i += PCI_FUNC_MAX) { |
388 | DeviceClass *dc; | |
389 | PCIDeviceClass *pc; | |
390 | PCIDevice *pdev = bus->devices[i]; | |
391 | int slot = PCI_SLOT(i); | |
b23046ab | 392 | bool hotplug_enabled_dev; |
093a35e5 | 393 | bool bridge_in_acpi; |
15a5b254 | 394 | bool cold_plugged_bridge; |
99fd437d | 395 | |
8dcf525a | 396 | if (!pdev) { |
b23046ab | 397 | if (bsel) { /* add hotplug slots for non present devices */ |
caf108bc JS |
398 | if (pci_bus_is_express(bus) && slot > 0) { |
399 | break; | |
400 | } | |
62b52c26 IM |
401 | dev = aml_device("S%.02X", PCI_DEVFN(slot, 0)); |
402 | aml_append(dev, aml_name_decl("_SUN", aml_int(slot))); | |
403 | aml_append(dev, aml_name_decl("_ADR", aml_int(slot << 16))); | |
4dbfc881 | 404 | method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); |
62b52c26 IM |
405 | aml_append(method, |
406 | aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN")) | |
407 | ); | |
408 | aml_append(dev, method); | |
b7f23f62 IM |
409 | method = aml_method("_DSM", 4, AML_SERIALIZED); |
410 | aml_append(method, | |
411 | aml_return(aml_call6("PDSM", aml_arg(0), aml_arg(1), | |
412 | aml_arg(2), aml_arg(3), | |
413 | aml_name("BSEL"), aml_name("_SUN"))) | |
414 | ); | |
415 | aml_append(dev, method); | |
62b52c26 IM |
416 | aml_append(parent_scope, dev); |
417 | ||
418 | build_append_pcihp_notify_entry(notify_method, slot); | |
b23046ab | 419 | } |
8dcf525a MT |
420 | continue; |
421 | } | |
99fd437d | 422 | |
8dcf525a MT |
423 | pc = PCI_DEVICE_GET_CLASS(pdev); |
424 | dc = DEVICE_GET_CLASS(pdev); | |
99fd437d | 425 | |
15a5b254 AS |
426 | /* |
427 | * Cold plugged bridges aren't themselves hot-pluggable. | |
a20275fa | 428 | * Hotplugged bridges *are* hot-pluggable. |
093a35e5 | 429 | */ |
15a5b254 AS |
430 | cold_plugged_bridge = pc->is_bridge && !DEVICE(pdev)->hotplugged; |
431 | bridge_in_acpi = cold_plugged_bridge && pcihp_bridge_en; | |
b23046ab | 432 | |
15a5b254 | 433 | hotplug_enabled_dev = bsel && dc->hotpluggable && !cold_plugged_bridge; |
093a35e5 | 434 | |
b23046ab IM |
435 | if (pc->class_id == PCI_CLASS_BRIDGE_ISA) { |
436 | continue; | |
99fd437d MT |
437 | } |
438 | ||
62b52c26 IM |
439 | /* start to compose PCI slot descriptor */ |
440 | dev = aml_device("S%.02X", PCI_DEVFN(slot, 0)); | |
441 | aml_append(dev, aml_name_decl("_ADR", aml_int(slot << 16))); | |
442 | ||
b7f23f62 | 443 | if (bsel) { |
7193d7cd IM |
444 | /* |
445 | * Can't declare _SUN here for every device as it changes 'slot' | |
446 | * enumeration order in linux kernel, so use another variable for it | |
447 | */ | |
448 | aml_append(dev, aml_name_decl("ASUN", aml_int(slot))); | |
b7f23f62 IM |
449 | method = aml_method("_DSM", 4, AML_SERIALIZED); |
450 | aml_append(method, aml_return( | |
451 | aml_call6("PDSM", aml_arg(0), aml_arg(1), aml_arg(2), | |
7193d7cd | 452 | aml_arg(3), aml_name("BSEL"), aml_name("ASUN")) |
b7f23f62 IM |
453 | )); |
454 | aml_append(dev, method); | |
455 | } | |
456 | ||
8dcf525a | 457 | if (pc->class_id == PCI_CLASS_DISPLAY_VGA) { |
62b52c26 IM |
458 | /* add VGA specific AML methods */ |
459 | int s3d; | |
460 | ||
8dcf525a | 461 | if (object_dynamic_cast(OBJECT(pdev), "qxl-vga")) { |
62b52c26 | 462 | s3d = 3; |
b23046ab | 463 | } else { |
62b52c26 | 464 | s3d = 0; |
99fd437d | 465 | } |
62b52c26 | 466 | |
4dbfc881 | 467 | method = aml_method("_S1D", 0, AML_NOTSERIALIZED); |
62b52c26 IM |
468 | aml_append(method, aml_return(aml_int(0))); |
469 | aml_append(dev, method); | |
470 | ||
4dbfc881 | 471 | method = aml_method("_S2D", 0, AML_NOTSERIALIZED); |
62b52c26 IM |
472 | aml_append(method, aml_return(aml_int(0))); |
473 | aml_append(dev, method); | |
474 | ||
4dbfc881 | 475 | method = aml_method("_S3D", 0, AML_NOTSERIALIZED); |
62b52c26 IM |
476 | aml_append(method, aml_return(aml_int(s3d))); |
477 | aml_append(dev, method); | |
b23046ab | 478 | } else if (hotplug_enabled_dev) { |
7193d7cd | 479 | aml_append(dev, aml_name_decl("_SUN", aml_int(slot))); |
b7f23f62 | 480 | /* add _EJ0 to make slot hotpluggable */ |
4dbfc881 | 481 | method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); |
62b52c26 IM |
482 | aml_append(method, |
483 | aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN")) | |
484 | ); | |
485 | aml_append(dev, method); | |
486 | ||
487 | if (bsel) { | |
488 | build_append_pcihp_notify_entry(notify_method, slot); | |
489 | } | |
b23046ab | 490 | } else if (bridge_in_acpi) { |
62b52c26 IM |
491 | /* |
492 | * device is coldplugged bridge, | |
493 | * add child device descriptions into its scope | |
494 | */ | |
b23046ab | 495 | PCIBus *sec_bus = pci_bridge_get_sec_bus(PCI_BRIDGE(pdev)); |
b23046ab | 496 | |
62b52c26 | 497 | build_append_pci_bus_devices(dev, sec_bus, pcihp_bridge_en); |
8dcf525a | 498 | } |
62b52c26 IM |
499 | /* slot descriptor has been composed, add it into parent context */ |
500 | aml_append(parent_scope, dev); | |
8dcf525a MT |
501 | } |
502 | ||
503 | if (bsel) { | |
62b52c26 | 504 | aml_append(parent_scope, notify_method); |
99fd437d MT |
505 | } |
506 | ||
507 | /* Append PCNT method to notify about events on local and child buses. | |
df4008c9 AS |
508 | * Add this method for root bus only when hotplug is enabled since DSDT |
509 | * expects it. | |
72c194f7 | 510 | */ |
df4008c9 AS |
511 | if (bsel || pcihp_bridge_en) { |
512 | method = aml_method("PCNT", 0, AML_NOTSERIALIZED); | |
01b2ffce | 513 | |
811c74fb PMD |
514 | /* If bus supports hotplug select it and notify about local events */ |
515 | if (bsel) { | |
516 | uint64_t bsel_val = qnum_get_uint(qobject_to(QNum, bsel)); | |
517 | ||
518 | aml_append(method, aml_store(aml_int(bsel_val), aml_name("BNUM"))); | |
519 | aml_append(method, aml_call2("DVNT", aml_name("PCIU"), | |
520 | aml_int(1))); /* Device Check */ | |
521 | aml_append(method, aml_call2("DVNT", aml_name("PCID"), | |
522 | aml_int(3))); /* Eject Request */ | |
523 | } | |
99fd437d | 524 | |
811c74fb PMD |
525 | /* Notify about child bus events in any case */ |
526 | if (pcihp_bridge_en) { | |
527 | QLIST_FOREACH(sec, &bus->child, sibling) { | |
528 | int32_t devfn = sec->parent_dev->devfn; | |
62b52c26 | 529 | |
caf108bc | 530 | if (pci_bus_is_root(sec)) { |
811c74fb PMD |
531 | continue; |
532 | } | |
c99cb18e | 533 | |
811c74fb PMD |
534 | aml_append(method, aml_name("^S%.02X.PCNT", devfn)); |
535 | } | |
99fd437d | 536 | } |
df4008c9 | 537 | |
df4008c9 AS |
538 | aml_append(parent_scope, method); |
539 | } | |
cb3e7f08 | 540 | qobject_unref(bsel); |
72c194f7 MT |
541 | } |
542 | ||
b7f23f62 IM |
543 | Aml *aml_pci_device_dsm(void) |
544 | { | |
545 | Aml *method, *UUID, *ifctx, *ifctx1, *ifctx2, *ifctx3, *elsectx; | |
546 | Aml *acpi_index = aml_local(0); | |
547 | Aml *zero = aml_int(0); | |
548 | Aml *bnum = aml_arg(4); | |
549 | Aml *func = aml_arg(2); | |
550 | Aml *rev = aml_arg(1); | |
551 | Aml *sun = aml_arg(5); | |
552 | ||
553 | method = aml_method("PDSM", 6, AML_SERIALIZED); | |
554 | ||
555 | /* | |
556 | * PCI Firmware Specification 3.1 | |
557 | * 4.6. _DSM Definitions for PCI | |
558 | */ | |
559 | UUID = aml_touuid("E5C937D0-3553-4D7A-9117-EA4D19C3434D"); | |
560 | ifctx = aml_if(aml_equal(aml_arg(0), UUID)); | |
561 | { | |
562 | aml_append(ifctx, aml_store(aml_call2("AIDX", bnum, sun), acpi_index)); | |
563 | ifctx1 = aml_if(aml_equal(func, zero)); | |
564 | { | |
565 | uint8_t byte_list[1]; | |
566 | ||
567 | ifctx2 = aml_if(aml_equal(rev, aml_int(2))); | |
568 | { | |
569 | /* | |
570 | * advertise function 7 if device has acpi-index | |
571 | * acpi_index values: | |
572 | * 0: not present (default value) | |
573 | * FFFFFFFF: not supported (old QEMU without PIDX reg) | |
574 | * other: device's acpi-index | |
575 | */ | |
576 | ifctx3 = aml_if(aml_lnot( | |
577 | aml_or(aml_equal(acpi_index, zero), | |
578 | aml_equal(acpi_index, aml_int(0xFFFFFFFF)), NULL) | |
579 | )); | |
580 | { | |
581 | byte_list[0] = | |
582 | 1 /* have supported functions */ | | |
583 | 1 << 7 /* support for function 7 */ | |
584 | ; | |
585 | aml_append(ifctx3, aml_return(aml_buffer(1, byte_list))); | |
586 | } | |
587 | aml_append(ifctx2, ifctx3); | |
588 | } | |
589 | aml_append(ifctx1, ifctx2); | |
590 | ||
591 | byte_list[0] = 0; /* nothing supported */ | |
592 | aml_append(ifctx1, aml_return(aml_buffer(1, byte_list))); | |
593 | } | |
594 | aml_append(ifctx, ifctx1); | |
595 | elsectx = aml_else(); | |
596 | /* | |
597 | * PCI Firmware Specification 3.1 | |
598 | * 4.6.7. _DSM for Naming a PCI or PCI Express Device Under | |
599 | * Operating Systems | |
600 | */ | |
601 | ifctx1 = aml_if(aml_equal(func, aml_int(7))); | |
602 | { | |
603 | Aml *pkg = aml_package(2); | |
604 | Aml *ret = aml_local(1); | |
605 | ||
606 | aml_append(pkg, zero); | |
607 | /* | |
608 | * optional, if not impl. should return null string | |
609 | */ | |
610 | aml_append(pkg, aml_string("%s", "")); | |
611 | aml_append(ifctx1, aml_store(pkg, ret)); | |
612 | /* | |
613 | * update acpi-index to actual value | |
614 | */ | |
615 | aml_append(ifctx1, aml_store(acpi_index, aml_index(ret, zero))); | |
616 | aml_append(ifctx1, aml_return(ret)); | |
617 | } | |
618 | aml_append(elsectx, ifctx1); | |
619 | aml_append(ifctx, elsectx); | |
620 | } | |
621 | aml_append(method, ifctx); | |
622 | return method; | |
623 | } | |
624 | ||
196e2137 IM |
625 | /** |
626 | * build_prt_entry: | |
627 | * @link_name: link name for PCI route entry | |
628 | * | |
629 | * build AML package containing a PCI route entry for @link_name | |
630 | */ | |
631 | static Aml *build_prt_entry(const char *link_name) | |
632 | { | |
633 | Aml *a_zero = aml_int(0); | |
634 | Aml *pkg = aml_package(4); | |
635 | aml_append(pkg, a_zero); | |
636 | aml_append(pkg, a_zero); | |
637 | aml_append(pkg, aml_name("%s", link_name)); | |
638 | aml_append(pkg, a_zero); | |
639 | return pkg; | |
640 | } | |
641 | ||
0d8935e3 MA |
642 | /* |
643 | * initialize_route - Initialize the interrupt routing rule | |
644 | * through a specific LINK: | |
645 | * if (lnk_idx == idx) | |
646 | * route using link 'link_name' | |
647 | */ | |
648 | static Aml *initialize_route(Aml *route, const char *link_name, | |
649 | Aml *lnk_idx, int idx) | |
650 | { | |
651 | Aml *if_ctx = aml_if(aml_equal(lnk_idx, aml_int(idx))); | |
196e2137 | 652 | Aml *pkg = build_prt_entry(link_name); |
0d8935e3 | 653 | |
0d8935e3 MA |
654 | aml_append(if_ctx, aml_store(pkg, route)); |
655 | ||
656 | return if_ctx; | |
657 | } | |
658 | ||
659 | /* | |
660 | * build_prt - Define interrupt rounting rules | |
661 | * | |
662 | * Returns an array of 128 routes, one for each device, | |
663 | * based on device location. | |
664 | * The main goal is to equaly distribute the interrupts | |
665 | * over the 4 existing ACPI links (works only for i440fx). | |
666 | * The hash function is (slot + pin) & 3 -> "LNK[D|A|B|C]". | |
667 | * | |
668 | */ | |
196e2137 | 669 | static Aml *build_prt(bool is_pci0_prt) |
0d8935e3 MA |
670 | { |
671 | Aml *method, *while_ctx, *pin, *res; | |
672 | ||
4dbfc881 | 673 | method = aml_method("_PRT", 0, AML_NOTSERIALIZED); |
0d8935e3 MA |
674 | res = aml_local(0); |
675 | pin = aml_local(1); | |
676 | aml_append(method, aml_store(aml_package(128), res)); | |
677 | aml_append(method, aml_store(aml_int(0), pin)); | |
678 | ||
679 | /* while (pin < 128) */ | |
680 | while_ctx = aml_while(aml_lless(pin, aml_int(128))); | |
681 | { | |
682 | Aml *slot = aml_local(2); | |
683 | Aml *lnk_idx = aml_local(3); | |
684 | Aml *route = aml_local(4); | |
685 | ||
686 | /* slot = pin >> 2 */ | |
687 | aml_append(while_ctx, | |
c360639a | 688 | aml_store(aml_shiftright(pin, aml_int(2), NULL), slot)); |
0d8935e3 MA |
689 | /* lnk_idx = (slot + pin) & 3 */ |
690 | aml_append(while_ctx, | |
5530427f IM |
691 | aml_store(aml_and(aml_add(pin, slot, NULL), aml_int(3), NULL), |
692 | lnk_idx)); | |
0d8935e3 MA |
693 | |
694 | /* route[2] = "LNK[D|A|B|C]", selection based on pin % 3 */ | |
695 | aml_append(while_ctx, initialize_route(route, "LNKD", lnk_idx, 0)); | |
196e2137 IM |
696 | if (is_pci0_prt) { |
697 | Aml *if_device_1, *if_pin_4, *else_pin_4; | |
698 | ||
699 | /* device 1 is the power-management device, needs SCI */ | |
700 | if_device_1 = aml_if(aml_equal(lnk_idx, aml_int(1))); | |
701 | { | |
702 | if_pin_4 = aml_if(aml_equal(pin, aml_int(4))); | |
703 | { | |
704 | aml_append(if_pin_4, | |
705 | aml_store(build_prt_entry("LNKS"), route)); | |
706 | } | |
707 | aml_append(if_device_1, if_pin_4); | |
708 | else_pin_4 = aml_else(); | |
709 | { | |
710 | aml_append(else_pin_4, | |
711 | aml_store(build_prt_entry("LNKA"), route)); | |
712 | } | |
713 | aml_append(if_device_1, else_pin_4); | |
714 | } | |
715 | aml_append(while_ctx, if_device_1); | |
716 | } else { | |
717 | aml_append(while_ctx, initialize_route(route, "LNKA", lnk_idx, 1)); | |
718 | } | |
0d8935e3 MA |
719 | aml_append(while_ctx, initialize_route(route, "LNKB", lnk_idx, 2)); |
720 | aml_append(while_ctx, initialize_route(route, "LNKC", lnk_idx, 3)); | |
721 | ||
722 | /* route[0] = 0x[slot]FFFF */ | |
723 | aml_append(while_ctx, | |
ca3df95d IM |
724 | aml_store(aml_or(aml_shiftleft(slot, aml_int(16)), aml_int(0xFFFF), |
725 | NULL), | |
0d8935e3 MA |
726 | aml_index(route, aml_int(0)))); |
727 | /* route[1] = pin & 3 */ | |
728 | aml_append(while_ctx, | |
5530427f IM |
729 | aml_store(aml_and(pin, aml_int(3), NULL), |
730 | aml_index(route, aml_int(1)))); | |
0d8935e3 MA |
731 | /* res[pin] = route */ |
732 | aml_append(while_ctx, aml_store(route, aml_index(res, pin))); | |
733 | /* pin++ */ | |
734 | aml_append(while_ctx, aml_increment(pin)); | |
735 | } | |
736 | aml_append(method, while_ctx); | |
737 | /* return res*/ | |
738 | aml_append(method, aml_return(res)); | |
739 | ||
740 | return method; | |
741 | } | |
742 | ||
a57d708d IM |
743 | static void build_hpet_aml(Aml *table) |
744 | { | |
745 | Aml *crs; | |
746 | Aml *field; | |
747 | Aml *method; | |
748 | Aml *if_ctx; | |
749 | Aml *scope = aml_scope("_SB"); | |
750 | Aml *dev = aml_device("HPET"); | |
751 | Aml *zero = aml_int(0); | |
752 | Aml *id = aml_local(0); | |
753 | Aml *period = aml_local(1); | |
754 | ||
755 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0103"))); | |
756 | aml_append(dev, aml_name_decl("_UID", zero)); | |
757 | ||
758 | aml_append(dev, | |
3f3009c0 XG |
759 | aml_operation_region("HPTM", AML_SYSTEM_MEMORY, aml_int(HPET_BASE), |
760 | HPET_LEN)); | |
a57d708d IM |
761 | field = aml_field("HPTM", AML_DWORD_ACC, AML_LOCK, AML_PRESERVE); |
762 | aml_append(field, aml_named_field("VEND", 32)); | |
763 | aml_append(field, aml_named_field("PRD", 32)); | |
764 | aml_append(dev, field); | |
765 | ||
766 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
767 | aml_append(method, aml_store(aml_name("VEND"), id)); | |
768 | aml_append(method, aml_store(aml_name("PRD"), period)); | |
769 | aml_append(method, aml_shiftright(id, aml_int(16), id)); | |
770 | if_ctx = aml_if(aml_lor(aml_equal(id, zero), | |
771 | aml_equal(id, aml_int(0xffff)))); | |
772 | { | |
773 | aml_append(if_ctx, aml_return(zero)); | |
774 | } | |
775 | aml_append(method, if_ctx); | |
776 | ||
777 | if_ctx = aml_if(aml_lor(aml_equal(period, zero), | |
778 | aml_lgreater(period, aml_int(100000000)))); | |
779 | { | |
780 | aml_append(if_ctx, aml_return(zero)); | |
781 | } | |
782 | aml_append(method, if_ctx); | |
783 | ||
784 | aml_append(method, aml_return(aml_int(0x0F))); | |
785 | aml_append(dev, method); | |
786 | ||
787 | crs = aml_resource_template(); | |
788 | aml_append(crs, aml_memory32_fixed(HPET_BASE, HPET_LEN, AML_READ_ONLY)); | |
789 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
790 | ||
791 | aml_append(scope, dev); | |
792 | aml_append(table, scope); | |
793 | } | |
794 | ||
6775d15d JD |
795 | static Aml *build_vmbus_device_aml(VMBusBridge *vmbus_bridge) |
796 | { | |
797 | Aml *dev; | |
798 | Aml *method; | |
799 | Aml *crs; | |
800 | ||
801 | dev = aml_device("VMBS"); | |
802 | aml_append(dev, aml_name_decl("STA", aml_int(0xF))); | |
803 | aml_append(dev, aml_name_decl("_HID", aml_string("VMBus"))); | |
804 | aml_append(dev, aml_name_decl("_UID", aml_int(0x0))); | |
805 | aml_append(dev, aml_name_decl("_DDN", aml_string("VMBUS"))); | |
806 | ||
807 | method = aml_method("_DIS", 0, AML_NOTSERIALIZED); | |
808 | aml_append(method, aml_store(aml_and(aml_name("STA"), aml_int(0xD), NULL), | |
809 | aml_name("STA"))); | |
810 | aml_append(dev, method); | |
811 | ||
812 | method = aml_method("_PS0", 0, AML_NOTSERIALIZED); | |
813 | aml_append(method, aml_store(aml_or(aml_name("STA"), aml_int(0xF), NULL), | |
814 | aml_name("STA"))); | |
815 | aml_append(dev, method); | |
816 | ||
817 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
818 | aml_append(method, aml_return(aml_name("STA"))); | |
819 | aml_append(dev, method); | |
820 | ||
821 | aml_append(dev, aml_name_decl("_PS3", aml_int(0x0))); | |
822 | ||
823 | crs = aml_resource_template(); | |
8f06f22f | 824 | aml_append(crs, aml_irq_no_flags(vmbus_bridge->irq)); |
6775d15d JD |
825 | aml_append(dev, aml_name_decl("_CRS", crs)); |
826 | ||
827 | return dev; | |
828 | } | |
829 | ||
ee135849 IM |
830 | static void build_isa_devices_aml(Aml *table) |
831 | { | |
86e91dd7 | 832 | bool ambiguous; |
86e91dd7 | 833 | Object *obj = object_resolve_path_type("", TYPE_ISA_BUS, &ambiguous); |
13371f9b | 834 | Aml *scope; |
ee135849 | 835 | |
13371f9b GH |
836 | assert(obj && !ambiguous); |
837 | ||
838 | scope = aml_scope("_SB.PCI0.ISA"); | |
839 | build_acpi_ipmi_devices(scope, BUS(obj), "\\_SB.PCI0.ISA"); | |
840 | isa_build_aml(ISA_BUS(obj), scope); | |
86e91dd7 | 841 | |
ee135849 IM |
842 | aml_append(table, scope); |
843 | } | |
844 | ||
3892a2b7 IM |
845 | static void build_dbg_aml(Aml *table) |
846 | { | |
847 | Aml *field; | |
848 | Aml *method; | |
849 | Aml *while_ctx; | |
850 | Aml *scope = aml_scope("\\"); | |
851 | Aml *buf = aml_local(0); | |
852 | Aml *len = aml_local(1); | |
853 | Aml *idx = aml_local(2); | |
854 | ||
855 | aml_append(scope, | |
3f3009c0 | 856 | aml_operation_region("DBG", AML_SYSTEM_IO, aml_int(0x0402), 0x01)); |
3892a2b7 IM |
857 | field = aml_field("DBG", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); |
858 | aml_append(field, aml_named_field("DBGB", 8)); | |
859 | aml_append(scope, field); | |
860 | ||
861 | method = aml_method("DBUG", 1, AML_NOTSERIALIZED); | |
862 | ||
863 | aml_append(method, aml_to_hexstring(aml_arg(0), buf)); | |
864 | aml_append(method, aml_to_buffer(buf, buf)); | |
865 | aml_append(method, aml_subtract(aml_sizeof(buf), aml_int(1), len)); | |
866 | aml_append(method, aml_store(aml_int(0), idx)); | |
867 | ||
868 | while_ctx = aml_while(aml_lless(idx, len)); | |
869 | aml_append(while_ctx, | |
870 | aml_store(aml_derefof(aml_index(buf, idx)), aml_name("DBGB"))); | |
871 | aml_append(while_ctx, aml_increment(idx)); | |
872 | aml_append(method, while_ctx); | |
873 | ||
874 | aml_append(method, aml_store(aml_int(0x0A), aml_name("DBGB"))); | |
875 | aml_append(scope, method); | |
876 | ||
877 | aml_append(table, scope); | |
878 | } | |
879 | ||
c35b6e80 IM |
880 | static Aml *build_link_dev(const char *name, uint8_t uid, Aml *reg) |
881 | { | |
882 | Aml *dev; | |
883 | Aml *crs; | |
884 | Aml *method; | |
885 | uint32_t irqs[] = {5, 10, 11}; | |
886 | ||
887 | dev = aml_device("%s", name); | |
888 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C0F"))); | |
889 | aml_append(dev, aml_name_decl("_UID", aml_int(uid))); | |
890 | ||
891 | crs = aml_resource_template(); | |
892 | aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, | |
893 | AML_SHARED, irqs, ARRAY_SIZE(irqs))); | |
894 | aml_append(dev, aml_name_decl("_PRS", crs)); | |
895 | ||
896 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
897 | aml_append(method, aml_return(aml_call1("IQST", reg))); | |
898 | aml_append(dev, method); | |
899 | ||
900 | method = aml_method("_DIS", 0, AML_NOTSERIALIZED); | |
901 | aml_append(method, aml_or(reg, aml_int(0x80), reg)); | |
902 | aml_append(dev, method); | |
903 | ||
904 | method = aml_method("_CRS", 0, AML_NOTSERIALIZED); | |
905 | aml_append(method, aml_return(aml_call1("IQCR", reg))); | |
906 | aml_append(dev, method); | |
907 | ||
908 | method = aml_method("_SRS", 1, AML_NOTSERIALIZED); | |
909 | aml_append(method, aml_create_dword_field(aml_arg(0), aml_int(5), "PRRI")); | |
910 | aml_append(method, aml_store(aml_name("PRRI"), reg)); | |
911 | aml_append(dev, method); | |
912 | ||
913 | return dev; | |
914 | } | |
915 | ||
80b32df5 IM |
916 | static Aml *build_gsi_link_dev(const char *name, uint8_t uid, uint8_t gsi) |
917 | { | |
918 | Aml *dev; | |
919 | Aml *crs; | |
920 | Aml *method; | |
921 | uint32_t irqs; | |
922 | ||
923 | dev = aml_device("%s", name); | |
924 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C0F"))); | |
925 | aml_append(dev, aml_name_decl("_UID", aml_int(uid))); | |
926 | ||
927 | crs = aml_resource_template(); | |
928 | irqs = gsi; | |
929 | aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, | |
930 | AML_SHARED, &irqs, 1)); | |
931 | aml_append(dev, aml_name_decl("_PRS", crs)); | |
932 | ||
933 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
934 | ||
c82f503d MA |
935 | /* |
936 | * _DIS can be no-op because the interrupt cannot be disabled. | |
937 | */ | |
938 | method = aml_method("_DIS", 0, AML_NOTSERIALIZED); | |
939 | aml_append(dev, method); | |
940 | ||
80b32df5 IM |
941 | method = aml_method("_SRS", 1, AML_NOTSERIALIZED); |
942 | aml_append(dev, method); | |
943 | ||
944 | return dev; | |
945 | } | |
946 | ||
16682a9d IM |
947 | /* _CRS method - get current settings */ |
948 | static Aml *build_iqcr_method(bool is_piix4) | |
949 | { | |
950 | Aml *if_ctx; | |
951 | uint32_t irqs; | |
952 | Aml *method = aml_method("IQCR", 1, AML_SERIALIZED); | |
953 | Aml *crs = aml_resource_template(); | |
954 | ||
955 | irqs = 0; | |
956 | aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, | |
957 | AML_ACTIVE_HIGH, AML_SHARED, &irqs, 1)); | |
958 | aml_append(method, aml_name_decl("PRR0", crs)); | |
959 | ||
960 | aml_append(method, | |
961 | aml_create_dword_field(aml_name("PRR0"), aml_int(5), "PRRI")); | |
962 | ||
963 | if (is_piix4) { | |
964 | if_ctx = aml_if(aml_lless(aml_arg(0), aml_int(0x80))); | |
965 | aml_append(if_ctx, aml_store(aml_arg(0), aml_name("PRRI"))); | |
966 | aml_append(method, if_ctx); | |
967 | } else { | |
968 | aml_append(method, | |
969 | aml_store(aml_and(aml_arg(0), aml_int(0xF), NULL), | |
970 | aml_name("PRRI"))); | |
971 | } | |
972 | ||
973 | aml_append(method, aml_return(aml_name("PRR0"))); | |
974 | return method; | |
975 | } | |
976 | ||
78e1ad05 IM |
977 | /* _STA method - get status */ |
978 | static Aml *build_irq_status_method(void) | |
979 | { | |
980 | Aml *if_ctx; | |
981 | Aml *method = aml_method("IQST", 1, AML_NOTSERIALIZED); | |
982 | ||
983 | if_ctx = aml_if(aml_and(aml_int(0x80), aml_arg(0), NULL)); | |
984 | aml_append(if_ctx, aml_return(aml_int(0x09))); | |
985 | aml_append(method, if_ctx); | |
986 | aml_append(method, aml_return(aml_int(0x0B))); | |
987 | return method; | |
988 | } | |
989 | ||
e4db2798 IM |
990 | static void build_piix4_pci0_int(Aml *table) |
991 | { | |
c35b6e80 IM |
992 | Aml *dev; |
993 | Aml *crs; | |
e4db2798 | 994 | Aml *field; |
c35b6e80 IM |
995 | Aml *method; |
996 | uint32_t irqs; | |
e4db2798 | 997 | Aml *sb_scope = aml_scope("_SB"); |
196e2137 IM |
998 | Aml *pci0_scope = aml_scope("PCI0"); |
999 | ||
1000 | aml_append(pci0_scope, build_prt(true)); | |
1001 | aml_append(sb_scope, pci0_scope); | |
e4db2798 IM |
1002 | |
1003 | field = aml_field("PCI0.ISA.P40C", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); | |
1004 | aml_append(field, aml_named_field("PRQ0", 8)); | |
1005 | aml_append(field, aml_named_field("PRQ1", 8)); | |
1006 | aml_append(field, aml_named_field("PRQ2", 8)); | |
1007 | aml_append(field, aml_named_field("PRQ3", 8)); | |
1008 | aml_append(sb_scope, field); | |
1009 | ||
78e1ad05 | 1010 | aml_append(sb_scope, build_irq_status_method()); |
16682a9d | 1011 | aml_append(sb_scope, build_iqcr_method(true)); |
100681cc | 1012 | |
c35b6e80 IM |
1013 | aml_append(sb_scope, build_link_dev("LNKA", 0, aml_name("PRQ0"))); |
1014 | aml_append(sb_scope, build_link_dev("LNKB", 1, aml_name("PRQ1"))); | |
1015 | aml_append(sb_scope, build_link_dev("LNKC", 2, aml_name("PRQ2"))); | |
1016 | aml_append(sb_scope, build_link_dev("LNKD", 3, aml_name("PRQ3"))); | |
1017 | ||
1018 | dev = aml_device("LNKS"); | |
1019 | { | |
1020 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C0F"))); | |
1021 | aml_append(dev, aml_name_decl("_UID", aml_int(4))); | |
1022 | ||
1023 | crs = aml_resource_template(); | |
1024 | irqs = 9; | |
1025 | aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, | |
1026 | AML_ACTIVE_HIGH, AML_SHARED, | |
1027 | &irqs, 1)); | |
1028 | aml_append(dev, aml_name_decl("_PRS", crs)); | |
1029 | ||
1030 | /* The SCI cannot be disabled and is always attached to GSI 9, | |
1031 | * so these are no-ops. We only need this link to override the | |
1032 | * polarity to active high and match the content of the MADT. | |
1033 | */ | |
1034 | method = aml_method("_STA", 0, AML_NOTSERIALIZED); | |
1035 | aml_append(method, aml_return(aml_int(0x0b))); | |
1036 | aml_append(dev, method); | |
1037 | ||
1038 | method = aml_method("_DIS", 0, AML_NOTSERIALIZED); | |
1039 | aml_append(dev, method); | |
1040 | ||
1041 | method = aml_method("_CRS", 0, AML_NOTSERIALIZED); | |
1042 | aml_append(method, aml_return(aml_name("_PRS"))); | |
1043 | aml_append(dev, method); | |
1044 | ||
1045 | method = aml_method("_SRS", 1, AML_NOTSERIALIZED); | |
1046 | aml_append(dev, method); | |
1047 | } | |
1048 | aml_append(sb_scope, dev); | |
1049 | ||
e4db2798 IM |
1050 | aml_append(table, sb_scope); |
1051 | } | |
1052 | ||
22b5b8bf IM |
1053 | static void append_q35_prt_entry(Aml *ctx, uint32_t nr, const char *name) |
1054 | { | |
1055 | int i; | |
1056 | int head; | |
1057 | Aml *pkg; | |
1058 | char base = name[3] < 'E' ? 'A' : 'E'; | |
1059 | char *s = g_strdup(name); | |
1060 | Aml *a_nr = aml_int((nr << 16) | 0xffff); | |
1061 | ||
1062 | assert(strlen(s) == 4); | |
1063 | ||
1064 | head = name[3] - base; | |
1065 | for (i = 0; i < 4; i++) { | |
1066 | if (head + i > 3) { | |
1067 | head = i * -1; | |
1068 | } | |
1069 | s[3] = base + head + i; | |
1070 | pkg = aml_package(4); | |
1071 | aml_append(pkg, a_nr); | |
1072 | aml_append(pkg, aml_int(i)); | |
1073 | aml_append(pkg, aml_name("%s", s)); | |
1074 | aml_append(pkg, aml_int(0)); | |
1075 | aml_append(ctx, pkg); | |
1076 | } | |
1077 | g_free(s); | |
1078 | } | |
1079 | ||
1080 | static Aml *build_q35_routing_table(const char *str) | |
1081 | { | |
1082 | int i; | |
1083 | Aml *pkg; | |
1084 | char *name = g_strdup_printf("%s ", str); | |
1085 | ||
1086 | pkg = aml_package(128); | |
1087 | for (i = 0; i < 0x18; i++) { | |
1088 | name[3] = 'E' + (i & 0x3); | |
1089 | append_q35_prt_entry(pkg, i, name); | |
1090 | } | |
1091 | ||
1092 | name[3] = 'E'; | |
1093 | append_q35_prt_entry(pkg, 0x18, name); | |
1094 | ||
1095 | /* INTA -> PIRQA for slot 25 - 31, see the default value of D<N>IR */ | |
1096 | for (i = 0x0019; i < 0x1e; i++) { | |
1097 | name[3] = 'A'; | |
1098 | append_q35_prt_entry(pkg, i, name); | |
1099 | } | |
1100 | ||
1101 | /* PCIe->PCI bridge. use PIRQ[E-H] */ | |
1102 | name[3] = 'E'; | |
1103 | append_q35_prt_entry(pkg, 0x1e, name); | |
1104 | name[3] = 'A'; | |
1105 | append_q35_prt_entry(pkg, 0x1f, name); | |
1106 | ||
1107 | g_free(name); | |
1108 | return pkg; | |
1109 | } | |
1110 | ||
80b32df5 IM |
1111 | static void build_q35_pci0_int(Aml *table) |
1112 | { | |
41f95a52 | 1113 | Aml *field; |
0dafe3b3 | 1114 | Aml *method; |
80b32df5 | 1115 | Aml *sb_scope = aml_scope("_SB"); |
0dafe3b3 IM |
1116 | Aml *pci0_scope = aml_scope("PCI0"); |
1117 | ||
e9fce798 IM |
1118 | /* Zero => PIC mode, One => APIC Mode */ |
1119 | aml_append(table, aml_name_decl("PICF", aml_int(0))); | |
1120 | method = aml_method("_PIC", 1, AML_NOTSERIALIZED); | |
1121 | { | |
1122 | aml_append(method, aml_store(aml_arg(0), aml_name("PICF"))); | |
1123 | } | |
1124 | aml_append(table, method); | |
1125 | ||
65aef4de IM |
1126 | aml_append(pci0_scope, |
1127 | aml_name_decl("PRTP", build_q35_routing_table("LNK"))); | |
22b5b8bf IM |
1128 | aml_append(pci0_scope, |
1129 | aml_name_decl("PRTA", build_q35_routing_table("GSI"))); | |
1130 | ||
0dafe3b3 IM |
1131 | method = aml_method("_PRT", 0, AML_NOTSERIALIZED); |
1132 | { | |
1133 | Aml *if_ctx; | |
1134 | Aml *else_ctx; | |
1135 | ||
1136 | /* PCI IRQ routing table, example from ACPI 2.0a specification, | |
1137 | section 6.2.8.1 */ | |
1138 | /* Note: we provide the same info as the PCI routing | |
1139 | table of the Bochs BIOS */ | |
1140 | if_ctx = aml_if(aml_equal(aml_name("PICF"), aml_int(0))); | |
1141 | aml_append(if_ctx, aml_return(aml_name("PRTP"))); | |
1142 | aml_append(method, if_ctx); | |
1143 | else_ctx = aml_else(); | |
1144 | aml_append(else_ctx, aml_return(aml_name("PRTA"))); | |
1145 | aml_append(method, else_ctx); | |
1146 | } | |
1147 | aml_append(pci0_scope, method); | |
1148 | aml_append(sb_scope, pci0_scope); | |
80b32df5 | 1149 | |
41f95a52 IM |
1150 | field = aml_field("PCI0.ISA.PIRQ", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); |
1151 | aml_append(field, aml_named_field("PRQA", 8)); | |
1152 | aml_append(field, aml_named_field("PRQB", 8)); | |
1153 | aml_append(field, aml_named_field("PRQC", 8)); | |
1154 | aml_append(field, aml_named_field("PRQD", 8)); | |
1155 | aml_append(field, aml_reserved_field(0x20)); | |
1156 | aml_append(field, aml_named_field("PRQE", 8)); | |
1157 | aml_append(field, aml_named_field("PRQF", 8)); | |
1158 | aml_append(field, aml_named_field("PRQG", 8)); | |
1159 | aml_append(field, aml_named_field("PRQH", 8)); | |
1160 | aml_append(sb_scope, field); | |
1161 | ||
78e1ad05 | 1162 | aml_append(sb_scope, build_irq_status_method()); |
16682a9d IM |
1163 | aml_append(sb_scope, build_iqcr_method(false)); |
1164 | ||
12e3b1f7 IM |
1165 | aml_append(sb_scope, build_link_dev("LNKA", 0, aml_name("PRQA"))); |
1166 | aml_append(sb_scope, build_link_dev("LNKB", 1, aml_name("PRQB"))); | |
1167 | aml_append(sb_scope, build_link_dev("LNKC", 2, aml_name("PRQC"))); | |
1168 | aml_append(sb_scope, build_link_dev("LNKD", 3, aml_name("PRQD"))); | |
1169 | aml_append(sb_scope, build_link_dev("LNKE", 4, aml_name("PRQE"))); | |
1170 | aml_append(sb_scope, build_link_dev("LNKF", 5, aml_name("PRQF"))); | |
1171 | aml_append(sb_scope, build_link_dev("LNKG", 6, aml_name("PRQG"))); | |
1172 | aml_append(sb_scope, build_link_dev("LNKH", 7, aml_name("PRQH"))); | |
1173 | ||
6a991e07 MA |
1174 | aml_append(sb_scope, build_gsi_link_dev("GSIA", 0x10, 0x10)); |
1175 | aml_append(sb_scope, build_gsi_link_dev("GSIB", 0x11, 0x11)); | |
1176 | aml_append(sb_scope, build_gsi_link_dev("GSIC", 0x12, 0x12)); | |
1177 | aml_append(sb_scope, build_gsi_link_dev("GSID", 0x13, 0x13)); | |
1178 | aml_append(sb_scope, build_gsi_link_dev("GSIE", 0x14, 0x14)); | |
1179 | aml_append(sb_scope, build_gsi_link_dev("GSIF", 0x15, 0x15)); | |
1180 | aml_append(sb_scope, build_gsi_link_dev("GSIG", 0x16, 0x16)); | |
1181 | aml_append(sb_scope, build_gsi_link_dev("GSIH", 0x17, 0x17)); | |
80b32df5 IM |
1182 | |
1183 | aml_append(table, sb_scope); | |
1184 | } | |
1185 | ||
e3fb55f0 IY |
1186 | static Aml *build_q35_dram_controller(const AcpiMcfgInfo *mcfg) |
1187 | { | |
1188 | Aml *dev; | |
1189 | Aml *resource_template; | |
1190 | ||
1191 | /* DRAM controller */ | |
1192 | dev = aml_device("DRAC"); | |
1193 | aml_append(dev, aml_name_decl("_HID", aml_string("PNP0C01"))); | |
1194 | ||
1195 | resource_template = aml_resource_template(); | |
1196 | if (mcfg->base + mcfg->size - 1 >= (1ULL << 32)) { | |
1197 | aml_append(resource_template, | |
1198 | aml_qword_memory(AML_POS_DECODE, | |
1199 | AML_MIN_FIXED, | |
1200 | AML_MAX_FIXED, | |
1201 | AML_NON_CACHEABLE, | |
1202 | AML_READ_WRITE, | |
1203 | 0x0000000000000000, | |
1204 | mcfg->base, | |
1205 | mcfg->base + mcfg->size - 1, | |
1206 | 0x0000000000000000, | |
1207 | mcfg->size)); | |
1208 | } else { | |
1209 | aml_append(resource_template, | |
1210 | aml_dword_memory(AML_POS_DECODE, | |
1211 | AML_MIN_FIXED, | |
1212 | AML_MAX_FIXED, | |
1213 | AML_NON_CACHEABLE, | |
1214 | AML_READ_WRITE, | |
1215 | 0x0000000000000000, | |
1216 | mcfg->base, | |
1217 | mcfg->base + mcfg->size - 1, | |
1218 | 0x0000000000000000, | |
1219 | mcfg->size)); | |
1220 | } | |
1221 | aml_append(dev, aml_name_decl("_CRS", resource_template)); | |
1222 | ||
1223 | return dev; | |
1224 | } | |
1225 | ||
41f95a52 IM |
1226 | static void build_q35_isa_bridge(Aml *table) |
1227 | { | |
1228 | Aml *dev; | |
1229 | Aml *scope; | |
41f95a52 IM |
1230 | |
1231 | scope = aml_scope("_SB.PCI0"); | |
1232 | dev = aml_device("ISA"); | |
1233 | aml_append(dev, aml_name_decl("_ADR", aml_int(0x001F0000))); | |
1234 | ||
1235 | /* ICH9 PCI to ISA irq remapping */ | |
1236 | aml_append(dev, aml_operation_region("PIRQ", AML_PCI_CONFIG, | |
3f3009c0 | 1237 | aml_int(0x60), 0x0C)); |
41f95a52 | 1238 | |
41f95a52 IM |
1239 | aml_append(scope, dev); |
1240 | aml_append(table, scope); | |
1241 | } | |
1242 | ||
e4db2798 IM |
1243 | static void build_piix4_isa_bridge(Aml *table) |
1244 | { | |
1245 | Aml *dev; | |
1246 | Aml *scope; | |
e4db2798 IM |
1247 | |
1248 | scope = aml_scope("_SB.PCI0"); | |
1249 | dev = aml_device("ISA"); | |
1250 | aml_append(dev, aml_name_decl("_ADR", aml_int(0x00010000))); | |
1251 | ||
1252 | /* PIIX PCI to ISA irq remapping */ | |
1253 | aml_append(dev, aml_operation_region("P40C", AML_PCI_CONFIG, | |
3f3009c0 | 1254 | aml_int(0x60), 0x04)); |
e4db2798 IM |
1255 | |
1256 | aml_append(scope, dev); | |
1257 | aml_append(table, scope); | |
1258 | } | |
1259 | ||
caf108bc | 1260 | static void build_x86_acpi_pci_hotplug(Aml *table, uint64_t pcihp_addr) |
b616ec4d IM |
1261 | { |
1262 | Aml *scope; | |
1263 | Aml *field; | |
1264 | Aml *method; | |
1265 | ||
1266 | scope = aml_scope("_SB.PCI0"); | |
1267 | ||
1268 | aml_append(scope, | |
caf108bc | 1269 | aml_operation_region("PCST", AML_SYSTEM_IO, aml_int(pcihp_addr), 0x08)); |
b616ec4d IM |
1270 | field = aml_field("PCST", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); |
1271 | aml_append(field, aml_named_field("PCIU", 32)); | |
1272 | aml_append(field, aml_named_field("PCID", 32)); | |
1273 | aml_append(scope, field); | |
1274 | ||
1275 | aml_append(scope, | |
caf108bc JS |
1276 | aml_operation_region("SEJ", AML_SYSTEM_IO, |
1277 | aml_int(pcihp_addr + ACPI_PCIHP_SEJ_BASE), 0x04)); | |
b616ec4d IM |
1278 | field = aml_field("SEJ", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); |
1279 | aml_append(field, aml_named_field("B0EJ", 32)); | |
1280 | aml_append(scope, field); | |
1281 | ||
1282 | aml_append(scope, | |
caf108bc JS |
1283 | aml_operation_region("BNMR", AML_SYSTEM_IO, |
1284 | aml_int(pcihp_addr + ACPI_PCIHP_BNMR_BASE), 0x08)); | |
b616ec4d IM |
1285 | field = aml_field("BNMR", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); |
1286 | aml_append(field, aml_named_field("BNUM", 32)); | |
b32bd763 | 1287 | aml_append(field, aml_named_field("PIDX", 32)); |
b616ec4d IM |
1288 | aml_append(scope, field); |
1289 | ||
1290 | aml_append(scope, aml_mutex("BLCK", 0)); | |
1291 | ||
1292 | method = aml_method("PCEJ", 2, AML_NOTSERIALIZED); | |
1293 | aml_append(method, aml_acquire(aml_name("BLCK"), 0xFFFF)); | |
1294 | aml_append(method, aml_store(aml_arg(0), aml_name("BNUM"))); | |
1295 | aml_append(method, | |
1296 | aml_store(aml_shiftleft(aml_int(1), aml_arg(1)), aml_name("B0EJ"))); | |
1297 | aml_append(method, aml_release(aml_name("BLCK"))); | |
1298 | aml_append(method, aml_return(aml_int(0))); | |
1299 | aml_append(scope, method); | |
1300 | ||
b32bd763 IM |
1301 | method = aml_method("AIDX", 2, AML_NOTSERIALIZED); |
1302 | aml_append(method, aml_acquire(aml_name("BLCK"), 0xFFFF)); | |
1303 | aml_append(method, aml_store(aml_arg(0), aml_name("BNUM"))); | |
1304 | aml_append(method, | |
1305 | aml_store(aml_shiftleft(aml_int(1), aml_arg(1)), aml_name("PIDX"))); | |
1306 | aml_append(method, aml_store(aml_name("PIDX"), aml_local(0))); | |
1307 | aml_append(method, aml_release(aml_name("BLCK"))); | |
1308 | aml_append(method, aml_return(aml_local(0))); | |
1309 | aml_append(scope, method); | |
1310 | ||
b7f23f62 IM |
1311 | aml_append(scope, aml_pci_device_dsm()); |
1312 | ||
b616ec4d IM |
1313 | aml_append(table, scope); |
1314 | } | |
1315 | ||
f97a88a8 IM |
1316 | static Aml *build_q35_osc_method(void) |
1317 | { | |
1318 | Aml *if_ctx; | |
1319 | Aml *if_ctx2; | |
1320 | Aml *else_ctx; | |
1321 | Aml *method; | |
1322 | Aml *a_cwd1 = aml_name("CDW1"); | |
b3c782db | 1323 | Aml *a_ctrl = aml_local(0); |
f97a88a8 IM |
1324 | |
1325 | method = aml_method("_OSC", 4, AML_NOTSERIALIZED); | |
1326 | aml_append(method, aml_create_dword_field(aml_arg(3), aml_int(0), "CDW1")); | |
1327 | ||
1328 | if_ctx = aml_if(aml_equal( | |
1329 | aml_arg(0), aml_touuid("33DB4D5B-1FF7-401C-9657-7441C03DD766"))); | |
1330 | aml_append(if_ctx, aml_create_dword_field(aml_arg(3), aml_int(4), "CDW2")); | |
1331 | aml_append(if_ctx, aml_create_dword_field(aml_arg(3), aml_int(8), "CDW3")); | |
1332 | ||
f97a88a8 IM |
1333 | aml_append(if_ctx, aml_store(aml_name("CDW3"), a_ctrl)); |
1334 | ||
1335 | /* | |
1336 | * Always allow native PME, AER (no dependencies) | |
a41c78c1 | 1337 | * Allow SHPC (PCI bridges can have SHPC controller) |
f97a88a8 | 1338 | */ |
a41c78c1 | 1339 | aml_append(if_ctx, aml_and(a_ctrl, aml_int(0x1F), a_ctrl)); |
f97a88a8 IM |
1340 | |
1341 | if_ctx2 = aml_if(aml_lnot(aml_equal(aml_arg(1), aml_int(1)))); | |
1342 | /* Unknown revision */ | |
1343 | aml_append(if_ctx2, aml_or(a_cwd1, aml_int(0x08), a_cwd1)); | |
1344 | aml_append(if_ctx, if_ctx2); | |
1345 | ||
1346 | if_ctx2 = aml_if(aml_lnot(aml_equal(aml_name("CDW3"), a_ctrl))); | |
1347 | /* Capabilities bits were masked */ | |
1348 | aml_append(if_ctx2, aml_or(a_cwd1, aml_int(0x10), a_cwd1)); | |
1349 | aml_append(if_ctx, if_ctx2); | |
1350 | ||
1351 | /* Update DWORD3 in the buffer */ | |
1352 | aml_append(if_ctx, aml_store(a_ctrl, aml_name("CDW3"))); | |
1353 | aml_append(method, if_ctx); | |
1354 | ||
1355 | else_ctx = aml_else(); | |
1356 | /* Unrecognized UUID */ | |
1357 | aml_append(else_ctx, aml_or(a_cwd1, aml_int(4), a_cwd1)); | |
1358 | aml_append(method, else_ctx); | |
1359 | ||
1360 | aml_append(method, aml_return(aml_arg(3))); | |
1361 | return method; | |
1362 | } | |
b616ec4d | 1363 | |
ebe15582 CM |
1364 | static void build_smb0(Aml *table, I2CBus *smbus, int devnr, int func) |
1365 | { | |
1366 | Aml *scope = aml_scope("_SB.PCI0"); | |
1367 | Aml *dev = aml_device("SMB0"); | |
1368 | ||
ebe15582 CM |
1369 | aml_append(dev, aml_name_decl("_ADR", aml_int(devnr << 16 | func))); |
1370 | build_acpi_ipmi_devices(dev, BUS(smbus), "\\_SB.PCI0.SMB0"); | |
1371 | aml_append(scope, dev); | |
1372 | aml_append(table, scope); | |
1373 | } | |
1374 | ||
72c194f7 | 1375 | static void |
0e9b9eda | 1376 | build_dsdt(GArray *table_data, BIOSLinker *linker, |
adcb89d5 | 1377 | AcpiPmInfo *pm, AcpiMiscInfo *misc, |
01c9742d | 1378 | Range *pci_hole, Range *pci_hole64, MachineState *machine) |
72c194f7 | 1379 | { |
41fa5c04 IM |
1380 | CrsRangeEntry *entry; |
1381 | Aml *dsdt, *sb_scope, *scope, *dev, *method, *field, *pkg, *crs; | |
2df5a7b5 | 1382 | CrsRangeSet crs_range_set; |
fb306ffe | 1383 | PCMachineState *pcms = PC_MACHINE(machine); |
679dd1a9 | 1384 | PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(machine); |
f0bb276b | 1385 | X86MachineState *x86ms = X86_MACHINE(machine); |
4a441836 | 1386 | AcpiMcfgInfo mcfg; |
e3fb55f0 | 1387 | bool mcfg_valid = !!acpi_get_mcfg(&mcfg); |
bef3492d | 1388 | uint32_t nr_mem = machine->ram_slots; |
dcdca296 | 1389 | int root_bus_limit = 0xFF; |
41fa5c04 | 1390 | PCIBus *bus = NULL; |
11fb99e6 | 1391 | #ifdef CONFIG_TPM |
ac6dd31e | 1392 | TPMIf *tpm = tpm_find(); |
11fb99e6 | 1393 | #endif |
72c194f7 | 1394 | int i; |
8f814ea1 | 1395 | VMBusBridge *vmbus_bridge = vmbus_bridge_find(); |
72c194f7 | 1396 | |
41fa5c04 | 1397 | dsdt = init_aml_allocator(); |
2fd71f1b | 1398 | |
4ec8d2b3 | 1399 | /* Reserve space for header */ |
41fa5c04 IM |
1400 | acpi_data_push(dsdt->buf, sizeof(AcpiTableHeader)); |
1401 | ||
1402 | build_dbg_aml(dsdt); | |
1403 | if (misc->is_piix4) { | |
1404 | sb_scope = aml_scope("_SB"); | |
1405 | dev = aml_device("PCI0"); | |
1406 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A03"))); | |
1407 | aml_append(dev, aml_name_decl("_ADR", aml_int(0))); | |
0a343a5a | 1408 | aml_append(dev, aml_name_decl("_UID", aml_int(pcmc->pci_root_uid))); |
41fa5c04 IM |
1409 | aml_append(sb_scope, dev); |
1410 | aml_append(dsdt, sb_scope); | |
1411 | ||
51124bbf SC |
1412 | if (misc->has_hpet) { |
1413 | build_hpet_aml(dsdt); | |
1414 | } | |
41fa5c04 IM |
1415 | build_piix4_isa_bridge(dsdt); |
1416 | build_isa_devices_aml(dsdt); | |
df4008c9 | 1417 | if (pm->pcihp_bridge_en || pm->pcihp_root_en) { |
caf108bc | 1418 | build_x86_acpi_pci_hotplug(dsdt, pm->pcihp_io_base); |
df4008c9 | 1419 | } |
41fa5c04 IM |
1420 | build_piix4_pci0_int(dsdt); |
1421 | } else { | |
41fa5c04 IM |
1422 | sb_scope = aml_scope("_SB"); |
1423 | dev = aml_device("PCI0"); | |
1424 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A08"))); | |
1425 | aml_append(dev, aml_name_decl("_CID", aml_eisaid("PNP0A03"))); | |
1426 | aml_append(dev, aml_name_decl("_ADR", aml_int(0))); | |
0a343a5a | 1427 | aml_append(dev, aml_name_decl("_UID", aml_int(pcmc->pci_root_uid))); |
41fa5c04 IM |
1428 | aml_append(dev, build_q35_osc_method()); |
1429 | aml_append(sb_scope, dev); | |
e3fb55f0 IY |
1430 | if (mcfg_valid) { |
1431 | aml_append(sb_scope, build_q35_dram_controller(&mcfg)); | |
1432 | } | |
998ba950 IM |
1433 | |
1434 | if (pm->smi_on_cpuhp) { | |
1435 | /* reserve SMI block resources, IO ports 0xB2, 0xB3 */ | |
1436 | dev = aml_device("PCI0.SMI0"); | |
1437 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A06"))); | |
1438 | aml_append(dev, aml_name_decl("_UID", aml_string("SMI resources"))); | |
1439 | crs = aml_resource_template(); | |
1440 | aml_append(crs, | |
1441 | aml_io( | |
1442 | AML_DECODE16, | |
1443 | ACPI_PORT_SMI_CMD, | |
1444 | ACPI_PORT_SMI_CMD, | |
1445 | 1, | |
1446 | 2) | |
1447 | ); | |
1448 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1449 | aml_append(dev, aml_operation_region("SMIR", AML_SYSTEM_IO, | |
1450 | aml_int(ACPI_PORT_SMI_CMD), 2)); | |
1451 | field = aml_field("SMIR", AML_BYTE_ACC, AML_NOLOCK, | |
1452 | AML_WRITE_AS_ZEROS); | |
1453 | aml_append(field, aml_named_field("SMIC", 8)); | |
1454 | aml_append(field, aml_reserved_field(8)); | |
1455 | aml_append(dev, field); | |
1456 | aml_append(sb_scope, dev); | |
1457 | } | |
1458 | ||
41fa5c04 IM |
1459 | aml_append(dsdt, sb_scope); |
1460 | ||
51124bbf SC |
1461 | if (misc->has_hpet) { |
1462 | build_hpet_aml(dsdt); | |
1463 | } | |
41fa5c04 IM |
1464 | build_q35_isa_bridge(dsdt); |
1465 | build_isa_devices_aml(dsdt); | |
caf108bc JS |
1466 | if (pm->pcihp_bridge_en) { |
1467 | build_x86_acpi_pci_hotplug(dsdt, pm->pcihp_io_base); | |
1468 | } | |
41fa5c04 | 1469 | build_q35_pci0_int(dsdt); |
ebe15582 CM |
1470 | if (pcms->smbus && !pcmc->do_not_add_smb_acpi) { |
1471 | build_smb0(dsdt, pcms->smbus, ICH9_SMB_DEV, ICH9_SMB_FUNC); | |
1472 | } | |
41fa5c04 IM |
1473 | } |
1474 | ||
8f814ea1 JD |
1475 | if (vmbus_bridge) { |
1476 | sb_scope = aml_scope("_SB"); | |
1477 | aml_append(sb_scope, build_vmbus_device_aml(vmbus_bridge)); | |
1478 | aml_append(dsdt, sb_scope); | |
1479 | } | |
1480 | ||
679dd1a9 IM |
1481 | if (pcmc->legacy_cpu_hotplug) { |
1482 | build_legacy_cpu_hotplug_aml(dsdt, machine, pm->cpu_hp_io_base); | |
1483 | } else { | |
1484 | CPUHotplugFeatures opts = { | |
998ba950 IM |
1485 | .acpi_1_compatible = true, .has_legacy_cphp = true, |
1486 | .smi_path = pm->smi_on_cpuhp ? "\\_SB.PCI0.SMI0.SMIC" : NULL, | |
69dea9d6 | 1487 | .fw_unplugs_cpu = pm->smi_on_cpu_unplug, |
679dd1a9 IM |
1488 | }; |
1489 | build_cpus_aml(dsdt, machine, opts, pm->cpu_hp_io_base, | |
1490 | "\\_SB.PCI0", "\\_GPE._E02"); | |
1491 | } | |
091c466e SK |
1492 | |
1493 | if (pcms->memhp_io_base && nr_mem) { | |
1494 | build_memory_hotplug_aml(dsdt, nr_mem, "\\_SB.PCI0", | |
1495 | "\\_GPE._E03", AML_SYSTEM_IO, | |
1496 | pcms->memhp_io_base); | |
1497 | } | |
41fa5c04 IM |
1498 | |
1499 | scope = aml_scope("_GPE"); | |
1500 | { | |
1501 | aml_append(scope, aml_name_decl("_HID", aml_string("ACPI0006"))); | |
1502 | ||
caf108bc | 1503 | if (pm->pcihp_bridge_en || pm->pcihp_root_en) { |
41fa5c04 IM |
1504 | method = aml_method("_E01", 0, AML_NOTSERIALIZED); |
1505 | aml_append(method, | |
1506 | aml_acquire(aml_name("\\_SB.PCI0.BLCK"), 0xFFFF)); | |
1507 | aml_append(method, aml_call0("\\_SB.PCI0.PCNT")); | |
1508 | aml_append(method, aml_release(aml_name("\\_SB.PCI0.BLCK"))); | |
1509 | aml_append(scope, method); | |
41fa5c04 IM |
1510 | } |
1511 | ||
f6a0d06b | 1512 | if (machine->nvdimms_state->is_enabled) { |
b097cc52 XG |
1513 | method = aml_method("_E04", 0, AML_NOTSERIALIZED); |
1514 | aml_append(method, aml_notify(aml_name("\\_SB.NVDR"), | |
1515 | aml_int(0x80))); | |
1516 | aml_append(scope, method); | |
1517 | } | |
41fa5c04 IM |
1518 | } |
1519 | aml_append(dsdt, scope); | |
72c194f7 | 1520 | |
2df5a7b5 | 1521 | crs_range_set_init(&crs_range_set); |
81ed6482 | 1522 | bus = PC_MACHINE(machine)->bus; |
a4894206 MA |
1523 | if (bus) { |
1524 | QLIST_FOREACH(bus, &bus->child, sibling) { | |
1525 | uint8_t bus_num = pci_bus_num(bus); | |
0e79e51a | 1526 | uint8_t numa_node = pci_bus_numa_node(bus); |
a4894206 MA |
1527 | |
1528 | /* look only for expander root buses */ | |
1529 | if (!pci_bus_is_root(bus)) { | |
1530 | continue; | |
1531 | } | |
1532 | ||
dcdca296 MA |
1533 | if (bus_num < root_bus_limit) { |
1534 | root_bus_limit = bus_num - 1; | |
1535 | } | |
1536 | ||
a4894206 MA |
1537 | scope = aml_scope("\\_SB"); |
1538 | dev = aml_device("PC%.02X", bus_num); | |
c96d9286 | 1539 | aml_append(dev, aml_name_decl("_UID", aml_int(bus_num))); |
a4894206 | 1540 | aml_append(dev, aml_name_decl("_BBN", aml_int(bus_num))); |
077dd742 | 1541 | if (pci_bus_is_express(bus)) { |
ee4b0c86 EY |
1542 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A08"))); |
1543 | aml_append(dev, aml_name_decl("_CID", aml_eisaid("PNP0A03"))); | |
077dd742 | 1544 | aml_append(dev, build_q35_osc_method()); |
ee4b0c86 EY |
1545 | } else { |
1546 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A03"))); | |
077dd742 | 1547 | } |
0e79e51a MA |
1548 | |
1549 | if (numa_node != NUMA_NODE_UNASSIGNED) { | |
1550 | aml_append(dev, aml_name_decl("_PXM", aml_int(numa_node))); | |
1551 | } | |
1552 | ||
196e2137 | 1553 | aml_append(dev, build_prt(false)); |
e41ee855 JC |
1554 | crs = build_crs(PCI_HOST_BRIDGE(BUS(bus)->parent), &crs_range_set, |
1555 | 0, 0, 0, 0); | |
a43c6e27 | 1556 | aml_append(dev, aml_name_decl("_CRS", crs)); |
a4894206 | 1557 | aml_append(scope, dev); |
41fa5c04 | 1558 | aml_append(dsdt, scope); |
a4894206 MA |
1559 | } |
1560 | } | |
1561 | ||
4a441836 GH |
1562 | /* |
1563 | * At this point crs_range_set has all the ranges used by pci | |
1564 | * busses *other* than PCI0. These ranges will be excluded from | |
1565 | * the PCI0._CRS. Add mmconfig to the set so it will be excluded | |
1566 | * too. | |
1567 | */ | |
e3fb55f0 | 1568 | if (mcfg_valid) { |
4a441836 GH |
1569 | crs_range_insert(crs_range_set.mem_ranges, |
1570 | mcfg.base, mcfg.base + mcfg.size - 1); | |
1571 | } | |
1572 | ||
500b11ea | 1573 | scope = aml_scope("\\_SB.PCI0"); |
60efd429 IM |
1574 | /* build PCI0._CRS */ |
1575 | crs = aml_resource_template(); | |
1576 | aml_append(crs, | |
ff80dc7f | 1577 | aml_word_bus_number(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE, |
dcdca296 MA |
1578 | 0x0000, 0x0, root_bus_limit, |
1579 | 0x0000, root_bus_limit + 1)); | |
ff80dc7f | 1580 | aml_append(crs, aml_io(AML_DECODE16, 0x0CF8, 0x0CF8, 0x01, 0x08)); |
60efd429 IM |
1581 | |
1582 | aml_append(crs, | |
ff80dc7f SZ |
1583 | aml_word_io(AML_MIN_FIXED, AML_MAX_FIXED, |
1584 | AML_POS_DECODE, AML_ENTIRE_RANGE, | |
60efd429 | 1585 | 0x0000, 0x0000, 0x0CF7, 0x0000, 0x0CF8)); |
dcdca296 | 1586 | |
2df5a7b5 MA |
1587 | crs_replace_with_free_ranges(crs_range_set.io_ranges, 0x0D00, 0xFFFF); |
1588 | for (i = 0; i < crs_range_set.io_ranges->len; i++) { | |
1589 | entry = g_ptr_array_index(crs_range_set.io_ranges, i); | |
dcdca296 MA |
1590 | aml_append(crs, |
1591 | aml_word_io(AML_MIN_FIXED, AML_MAX_FIXED, | |
1592 | AML_POS_DECODE, AML_ENTIRE_RANGE, | |
1593 | 0x0000, entry->base, entry->limit, | |
1594 | 0x0000, entry->limit - entry->base + 1)); | |
1595 | } | |
1596 | ||
60efd429 | 1597 | aml_append(crs, |
ff80dc7f SZ |
1598 | aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED, |
1599 | AML_CACHEABLE, AML_READ_WRITE, | |
60efd429 | 1600 | 0, 0x000A0000, 0x000BFFFF, 0, 0x00020000)); |
dcdca296 | 1601 | |
2df5a7b5 | 1602 | crs_replace_with_free_ranges(crs_range_set.mem_ranges, |
a0efbf16 MA |
1603 | range_lob(pci_hole), |
1604 | range_upb(pci_hole)); | |
2df5a7b5 MA |
1605 | for (i = 0; i < crs_range_set.mem_ranges->len; i++) { |
1606 | entry = g_ptr_array_index(crs_range_set.mem_ranges, i); | |
dcdca296 MA |
1607 | aml_append(crs, |
1608 | aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED, | |
1609 | AML_NON_CACHEABLE, AML_READ_WRITE, | |
1610 | 0, entry->base, entry->limit, | |
1611 | 0, entry->limit - entry->base + 1)); | |
1612 | } | |
1613 | ||
a0efbf16 | 1614 | if (!range_is_empty(pci_hole64)) { |
16de88a4 MA |
1615 | crs_replace_with_free_ranges(crs_range_set.mem_64bit_ranges, |
1616 | range_lob(pci_hole64), | |
1617 | range_upb(pci_hole64)); | |
1618 | for (i = 0; i < crs_range_set.mem_64bit_ranges->len; i++) { | |
1619 | entry = g_ptr_array_index(crs_range_set.mem_64bit_ranges, i); | |
1620 | aml_append(crs, | |
1621 | aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, | |
1622 | AML_MAX_FIXED, | |
1623 | AML_CACHEABLE, AML_READ_WRITE, | |
1624 | 0, entry->base, entry->limit, | |
1625 | 0, entry->limit - entry->base + 1)); | |
1626 | } | |
60efd429 | 1627 | } |
2b1c2e8e | 1628 | |
11fb99e6 | 1629 | #ifdef CONFIG_TPM |
43bc7f84 | 1630 | if (TPM_IS_TIS_ISA(tpm_find())) { |
2b1c2e8e IM |
1631 | aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE, |
1632 | TPM_TIS_ADDR_SIZE, AML_READ_WRITE)); | |
1633 | } | |
11fb99e6 | 1634 | #endif |
60efd429 IM |
1635 | aml_append(scope, aml_name_decl("_CRS", crs)); |
1636 | ||
d31c909e IM |
1637 | /* reserve GPE0 block resources */ |
1638 | dev = aml_device("GPE0"); | |
1639 | aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A06"))); | |
1640 | aml_append(dev, aml_name_decl("_UID", aml_string("GPE0 resources"))); | |
1641 | /* device present, functioning, decoding, not shown in UI */ | |
1642 | aml_append(dev, aml_name_decl("_STA", aml_int(0xB))); | |
1643 | crs = aml_resource_template(); | |
1644 | aml_append(crs, | |
937d1b58 IM |
1645 | aml_io( |
1646 | AML_DECODE16, | |
1647 | pm->fadt.gpe0_blk.address, | |
1648 | pm->fadt.gpe0_blk.address, | |
1649 | 1, | |
1650 | pm->fadt.gpe0_blk.bit_width / 8) | |
d31c909e IM |
1651 | ); |
1652 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1653 | aml_append(scope, dev); | |
1654 | ||
2df5a7b5 | 1655 | crs_range_set_free(&crs_range_set); |
dcdca296 | 1656 | |
500b11ea | 1657 | /* reserve PCIHP resources */ |
df4008c9 | 1658 | if (pm->pcihp_io_len && (pm->pcihp_bridge_en || pm->pcihp_root_en)) { |
500b11ea IM |
1659 | dev = aml_device("PHPR"); |
1660 | aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A06"))); | |
1661 | aml_append(dev, | |
1662 | aml_name_decl("_UID", aml_string("PCI Hotplug resources"))); | |
1663 | /* device present, functioning, decoding, not shown in UI */ | |
1664 | aml_append(dev, aml_name_decl("_STA", aml_int(0xB))); | |
1665 | crs = aml_resource_template(); | |
1666 | aml_append(crs, | |
ff80dc7f | 1667 | aml_io(AML_DECODE16, pm->pcihp_io_base, pm->pcihp_io_base, 1, |
500b11ea IM |
1668 | pm->pcihp_io_len) |
1669 | ); | |
1670 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1671 | aml_append(scope, dev); | |
1672 | } | |
41fa5c04 | 1673 | aml_append(dsdt, scope); |
500b11ea | 1674 | |
ebc3028f IM |
1675 | /* create S3_ / S4_ / S5_ packages if necessary */ |
1676 | scope = aml_scope("\\"); | |
1677 | if (!pm->s3_disabled) { | |
1678 | pkg = aml_package(4); | |
1679 | aml_append(pkg, aml_int(1)); /* PM1a_CNT.SLP_TYP */ | |
1680 | aml_append(pkg, aml_int(1)); /* PM1b_CNT.SLP_TYP, FIXME: not impl. */ | |
1681 | aml_append(pkg, aml_int(0)); /* reserved */ | |
1682 | aml_append(pkg, aml_int(0)); /* reserved */ | |
1683 | aml_append(scope, aml_name_decl("_S3", pkg)); | |
1684 | } | |
1685 | ||
1686 | if (!pm->s4_disabled) { | |
1687 | pkg = aml_package(4); | |
1688 | aml_append(pkg, aml_int(pm->s4_val)); /* PM1a_CNT.SLP_TYP */ | |
1689 | /* PM1b_CNT.SLP_TYP, FIXME: not impl. */ | |
1690 | aml_append(pkg, aml_int(pm->s4_val)); | |
1691 | aml_append(pkg, aml_int(0)); /* reserved */ | |
1692 | aml_append(pkg, aml_int(0)); /* reserved */ | |
1693 | aml_append(scope, aml_name_decl("_S4", pkg)); | |
1694 | } | |
1695 | ||
1696 | pkg = aml_package(4); | |
1697 | aml_append(pkg, aml_int(0)); /* PM1a_CNT.SLP_TYP */ | |
1698 | aml_append(pkg, aml_int(0)); /* PM1b_CNT.SLP_TYP not impl. */ | |
1699 | aml_append(pkg, aml_int(0)); /* reserved */ | |
1700 | aml_append(pkg, aml_int(0)); /* reserved */ | |
1701 | aml_append(scope, aml_name_decl("_S5", pkg)); | |
41fa5c04 | 1702 | aml_append(dsdt, scope); |
ebc3028f | 1703 | |
e2ec7568 GS |
1704 | /* create fw_cfg node, unconditionally */ |
1705 | { | |
e2ec7568 | 1706 | scope = aml_scope("\\_SB.PCI0"); |
0575c2fd | 1707 | fw_cfg_add_acpi_dsdt(scope, x86ms->fw_cfg); |
e2ec7568 GS |
1708 | aml_append(dsdt, scope); |
1709 | } | |
1710 | ||
8ac6f7a6 IM |
1711 | if (misc->applesmc_io_base) { |
1712 | scope = aml_scope("\\_SB.PCI0.ISA"); | |
1713 | dev = aml_device("SMC"); | |
1714 | ||
1715 | aml_append(dev, aml_name_decl("_HID", aml_eisaid("APP0001"))); | |
1716 | /* device present, functioning, decoding, not shown in UI */ | |
1717 | aml_append(dev, aml_name_decl("_STA", aml_int(0xB))); | |
1718 | ||
1719 | crs = aml_resource_template(); | |
1720 | aml_append(crs, | |
ff80dc7f | 1721 | aml_io(AML_DECODE16, misc->applesmc_io_base, misc->applesmc_io_base, |
8ac6f7a6 IM |
1722 | 0x01, APPLESMC_MAX_DATA_LENGTH) |
1723 | ); | |
1724 | aml_append(crs, aml_irq_no_flags(6)); | |
1725 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1726 | ||
1727 | aml_append(scope, dev); | |
41fa5c04 | 1728 | aml_append(dsdt, scope); |
8ac6f7a6 IM |
1729 | } |
1730 | ||
cd61cb2e IM |
1731 | if (misc->pvpanic_port) { |
1732 | scope = aml_scope("\\_SB.PCI0.ISA"); | |
1733 | ||
2332333c | 1734 | dev = aml_device("PEVT"); |
e65bef69 | 1735 | aml_append(dev, aml_name_decl("_HID", aml_string("QEMU0001"))); |
cd61cb2e IM |
1736 | |
1737 | crs = aml_resource_template(); | |
1738 | aml_append(crs, | |
ff80dc7f | 1739 | aml_io(AML_DECODE16, misc->pvpanic_port, misc->pvpanic_port, 1, 1) |
cd61cb2e IM |
1740 | ); |
1741 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1742 | ||
ff80dc7f | 1743 | aml_append(dev, aml_operation_region("PEOR", AML_SYSTEM_IO, |
3f3009c0 | 1744 | aml_int(misc->pvpanic_port), 1)); |
36de884a | 1745 | field = aml_field("PEOR", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); |
cd61cb2e IM |
1746 | aml_append(field, aml_named_field("PEPT", 8)); |
1747 | aml_append(dev, field); | |
1748 | ||
8ef3ea25 GH |
1749 | /* device present, functioning, decoding, shown in UI */ |
1750 | aml_append(dev, aml_name_decl("_STA", aml_int(0xF))); | |
2332333c | 1751 | |
4dbfc881 | 1752 | method = aml_method("RDPT", 0, AML_NOTSERIALIZED); |
cd61cb2e IM |
1753 | aml_append(method, aml_store(aml_name("PEPT"), aml_local(0))); |
1754 | aml_append(method, aml_return(aml_local(0))); | |
1755 | aml_append(dev, method); | |
1756 | ||
4dbfc881 | 1757 | method = aml_method("WRPT", 1, AML_NOTSERIALIZED); |
cd61cb2e IM |
1758 | aml_append(method, aml_store(aml_arg(0), aml_name("PEPT"))); |
1759 | aml_append(dev, method); | |
1760 | ||
1761 | aml_append(scope, dev); | |
41fa5c04 | 1762 | aml_append(dsdt, scope); |
cd61cb2e IM |
1763 | } |
1764 | ||
7824df38 | 1765 | sb_scope = aml_scope("\\_SB"); |
72c194f7 | 1766 | { |
8b35ab27 IM |
1767 | Object *pci_host; |
1768 | PCIBus *bus = NULL; | |
8698c0c0 | 1769 | |
8b35ab27 | 1770 | pci_host = acpi_get_i386_pci_host(); |
c0e427d6 | 1771 | |
8b35ab27 IM |
1772 | if (pci_host) { |
1773 | bus = PCI_HOST_BRIDGE(pci_host)->bus; | |
1774 | } | |
8dcf525a | 1775 | |
8b35ab27 IM |
1776 | if (bus) { |
1777 | Aml *scope = aml_scope("PCI0"); | |
1778 | /* Scan all PCI buses. Generate tables to support hotplug. */ | |
1779 | build_append_pci_bus_devices(scope, bus, pm->pcihp_bridge_en); | |
1780 | ||
11fb99e6 | 1781 | #ifdef CONFIG_TPM |
43bc7f84 | 1782 | if (TPM_IS_TIS_ISA(tpm)) { |
24cf5413 SB |
1783 | if (misc->tpm_version == TPM_VERSION_2_0) { |
1784 | dev = aml_device("TPM"); | |
1785 | aml_append(dev, aml_name_decl("_HID", | |
1786 | aml_string("MSFT0101"))); | |
1787 | } else { | |
1788 | dev = aml_device("ISA.TPM"); | |
1789 | aml_append(dev, aml_name_decl("_HID", | |
1790 | aml_eisaid("PNP0C31"))); | |
1791 | } | |
1792 | ||
8b35ab27 IM |
1793 | aml_append(dev, aml_name_decl("_STA", aml_int(0xF))); |
1794 | crs = aml_resource_template(); | |
1795 | aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE, | |
1796 | TPM_TIS_ADDR_SIZE, AML_READ_WRITE)); | |
1797 | /* | |
1798 | FIXME: TPM_TIS_IRQ=5 conflicts with PNP0C0F irqs, | |
1799 | Rewrite to take IRQ from TPM device model and | |
1800 | fix default IRQ value there to use some unused IRQ | |
1801 | */ | |
1802 | /* aml_append(crs, aml_irq_no_flags(TPM_TIS_IRQ)); */ | |
1803 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
ac6dd31e SB |
1804 | |
1805 | tpm_build_ppi_acpi(tpm, dev); | |
1806 | ||
8b35ab27 | 1807 | aml_append(scope, dev); |
8dcf525a | 1808 | } |
11fb99e6 | 1809 | #endif |
72c194f7 | 1810 | |
8b35ab27 | 1811 | aml_append(sb_scope, scope); |
72c194f7 | 1812 | } |
72c194f7 | 1813 | } |
4ab6cb4c | 1814 | |
11fb99e6 | 1815 | #ifdef CONFIG_TPM |
ac6dd31e | 1816 | if (TPM_IS_CRB(tpm)) { |
4ab6cb4c MAL |
1817 | dev = aml_device("TPM"); |
1818 | aml_append(dev, aml_name_decl("_HID", aml_string("MSFT0101"))); | |
1819 | crs = aml_resource_template(); | |
1820 | aml_append(crs, aml_memory32_fixed(TPM_CRB_ADDR_BASE, | |
1821 | TPM_CRB_ADDR_SIZE, AML_READ_WRITE)); | |
1822 | aml_append(dev, aml_name_decl("_CRS", crs)); | |
1823 | ||
88b3648f | 1824 | aml_append(dev, aml_name_decl("_STA", aml_int(0xf))); |
4ab6cb4c | 1825 | |
ac6dd31e SB |
1826 | tpm_build_ppi_acpi(tpm, dev); |
1827 | ||
4ab6cb4c MAL |
1828 | aml_append(sb_scope, dev); |
1829 | } | |
11fb99e6 | 1830 | #endif |
4ab6cb4c | 1831 | |
8b35ab27 | 1832 | aml_append(dsdt, sb_scope); |
72c194f7 | 1833 | |
011bb749 | 1834 | /* copy AML table into ACPI tables blob and patch header there */ |
41fa5c04 | 1835 | g_array_append_vals(table_data, dsdt->buf->data, dsdt->buf->len); |
72c194f7 | 1836 | build_header(linker, table_data, |
41fa5c04 | 1837 | (void *)(table_data->data + table_data->len - dsdt->buf->len), |
d07b2286 | 1838 | "DSDT", dsdt->buf->len, 1, x86ms->oem_id, x86ms->oem_table_id); |
011bb749 | 1839 | free_aml_allocator(); |
72c194f7 MT |
1840 | } |
1841 | ||
1842 | static void | |
602b4582 MP |
1843 | build_hpet(GArray *table_data, BIOSLinker *linker, const char *oem_id, |
1844 | const char *oem_table_id) | |
72c194f7 MT |
1845 | { |
1846 | Acpi20Hpet *hpet; | |
bb9feea4 | 1847 | int hpet_start = table_data->len; |
72c194f7 MT |
1848 | |
1849 | hpet = acpi_data_push(table_data, sizeof(*hpet)); | |
1850 | /* Note timer_block_id value must be kept in sync with value advertised by | |
1851 | * emulated hpet | |
1852 | */ | |
1853 | hpet->timer_block_id = cpu_to_le32(0x8086a201); | |
1854 | hpet->addr.address = cpu_to_le64(HPET_BASE); | |
1855 | build_header(linker, table_data, | |
bb9feea4 IM |
1856 | (void *)(table_data->data + hpet_start), |
1857 | "HPET", sizeof(*hpet), 1, oem_id, oem_table_id); | |
72c194f7 MT |
1858 | } |
1859 | ||
11fb99e6 | 1860 | #ifdef CONFIG_TPM |
711b20b4 | 1861 | static void |
602b4582 MP |
1862 | build_tpm_tcpa(GArray *table_data, BIOSLinker *linker, GArray *tcpalog, |
1863 | const char *oem_id, const char *oem_table_id) | |
711b20b4 | 1864 | { |
bb9feea4 | 1865 | int tcpa_start = table_data->len; |
711b20b4 | 1866 | Acpi20Tcpa *tcpa = acpi_data_push(table_data, sizeof *tcpa); |
4678124b IM |
1867 | unsigned log_addr_size = sizeof(tcpa->log_area_start_address); |
1868 | unsigned log_addr_offset = | |
1869 | (char *)&tcpa->log_area_start_address - table_data->data; | |
711b20b4 SB |
1870 | |
1871 | tcpa->platform_class = cpu_to_le16(TPM_TCPA_ACPI_CLASS_CLIENT); | |
1872 | tcpa->log_area_minimum_length = cpu_to_le32(TPM_LOG_AREA_MINIMUM_SIZE); | |
9774ccf7 | 1873 | acpi_data_push(tcpalog, le32_to_cpu(tcpa->log_area_minimum_length)); |
711b20b4 | 1874 | |
ad9671b8 | 1875 | bios_linker_loader_alloc(linker, ACPI_BUILD_TPMLOG_FILE, tcpalog, 1, |
42a5b308 SB |
1876 | false /* high memory */); |
1877 | ||
711b20b4 | 1878 | /* log area start address to be filled by Guest linker */ |
4678124b IM |
1879 | bios_linker_loader_add_pointer(linker, |
1880 | ACPI_BUILD_TABLE_FILE, log_addr_offset, log_addr_size, | |
1881 | ACPI_BUILD_TPMLOG_FILE, 0); | |
711b20b4 SB |
1882 | |
1883 | build_header(linker, table_data, | |
bb9feea4 IM |
1884 | (void *)(table_data->data + tcpa_start), |
1885 | "TCPA", sizeof(*tcpa), 2, oem_id, oem_table_id); | |
711b20b4 | 1886 | } |
11fb99e6 | 1887 | #endif |
711b20b4 | 1888 | |
d471bf3e PB |
1889 | #define HOLE_640K_START (640 * KiB) |
1890 | #define HOLE_640K_END (1 * MiB) | |
4926403c | 1891 | |
72c194f7 | 1892 | static void |
0e9b9eda | 1893 | build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) |
72c194f7 MT |
1894 | { |
1895 | AcpiSystemResourceAffinityTable *srat; | |
72c194f7 MT |
1896 | AcpiSratMemoryAffinity *numamem; |
1897 | ||
1898 | int i; | |
72c194f7 MT |
1899 | int srat_start, numa_start, slots; |
1900 | uint64_t mem_len, mem_base, next_base; | |
5803fce3 | 1901 | MachineClass *mc = MACHINE_GET_CLASS(machine); |
f0bb276b | 1902 | X86MachineState *x86ms = X86_MACHINE(machine); |
80e5db30 | 1903 | const CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(machine); |
3d3ebcad | 1904 | PCMachineState *pcms = PC_MACHINE(machine); |
cec65193 | 1905 | ram_addr_t hotplugabble_address_space_size = |
f2ffbe2b | 1906 | object_property_get_int(OBJECT(pcms), PC_MACHINE_DEVMEM_REGION_SIZE, |
cec65193 | 1907 | NULL); |
72c194f7 MT |
1908 | |
1909 | srat_start = table_data->len; | |
1910 | ||
1911 | srat = acpi_data_push(table_data, sizeof *srat); | |
1912 | srat->reserved1 = cpu_to_le32(1); | |
72c194f7 | 1913 | |
5803fce3 | 1914 | for (i = 0; i < apic_ids->len; i++) { |
d41f3e75 | 1915 | int node_id = apic_ids->cpus[i].props.node_id; |
5eff33a2 | 1916 | uint32_t apic_id = apic_ids->cpus[i].arch_id; |
5803fce3 | 1917 | |
5eff33a2 IM |
1918 | if (apic_id < 255) { |
1919 | AcpiSratProcessorAffinity *core; | |
1920 | ||
1921 | core = acpi_data_push(table_data, sizeof *core); | |
1922 | core->type = ACPI_SRAT_PROCESSOR_APIC; | |
1923 | core->length = sizeof(*core); | |
1924 | core->local_apic_id = apic_id; | |
ea265072 | 1925 | core->proximity_lo = node_id; |
5eff33a2 IM |
1926 | memset(core->proximity_hi, 0, 3); |
1927 | core->local_sapic_eid = 0; | |
1928 | core->flags = cpu_to_le32(1); | |
1929 | } else { | |
1930 | AcpiSratProcessorX2ApicAffinity *core; | |
1931 | ||
1932 | core = acpi_data_push(table_data, sizeof *core); | |
1933 | core->type = ACPI_SRAT_PROCESSOR_x2APIC; | |
1934 | core->length = sizeof(*core); | |
1935 | core->x2apic_id = cpu_to_le32(apic_id); | |
ea265072 | 1936 | core->proximity_domain = cpu_to_le32(node_id); |
5eff33a2 | 1937 | core->flags = cpu_to_le32(1); |
1f3aba37 | 1938 | } |
72c194f7 MT |
1939 | } |
1940 | ||
1941 | ||
1942 | /* the memory map is a bit tricky, it contains at least one hole | |
1943 | * from 640k-1M and possibly another one from 3.5G-4G. | |
1944 | */ | |
1945 | next_base = 0; | |
1946 | numa_start = table_data->len; | |
1947 | ||
dd4c2f01 | 1948 | for (i = 1; i < pcms->numa_nodes + 1; ++i) { |
72c194f7 | 1949 | mem_base = next_base; |
dd4c2f01 | 1950 | mem_len = pcms->node_mem[i - 1]; |
72c194f7 MT |
1951 | next_base = mem_base + mem_len; |
1952 | ||
4926403c EH |
1953 | /* Cut out the 640K hole */ |
1954 | if (mem_base <= HOLE_640K_START && | |
1955 | next_base > HOLE_640K_START) { | |
1956 | mem_len -= next_base - HOLE_640K_START; | |
1957 | if (mem_len > 0) { | |
1958 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
1959 | build_srat_memory(numamem, mem_base, mem_len, i - 1, | |
1960 | MEM_AFFINITY_ENABLED); | |
1961 | } | |
1962 | ||
1963 | /* Check for the rare case: 640K < RAM < 1M */ | |
1964 | if (next_base <= HOLE_640K_END) { | |
1965 | next_base = HOLE_640K_END; | |
1966 | continue; | |
1967 | } | |
1968 | mem_base = HOLE_640K_END; | |
1969 | mem_len = next_base - HOLE_640K_END; | |
1970 | } | |
1971 | ||
72c194f7 | 1972 | /* Cut out the ACPI_PCI hole */ |
f0bb276b PB |
1973 | if (mem_base <= x86ms->below_4g_mem_size && |
1974 | next_base > x86ms->below_4g_mem_size) { | |
1975 | mem_len -= next_base - x86ms->below_4g_mem_size; | |
72c194f7 MT |
1976 | if (mem_len > 0) { |
1977 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
64b83136 SZ |
1978 | build_srat_memory(numamem, mem_base, mem_len, i - 1, |
1979 | MEM_AFFINITY_ENABLED); | |
72c194f7 MT |
1980 | } |
1981 | mem_base = 1ULL << 32; | |
f0bb276b | 1982 | mem_len = next_base - x86ms->below_4g_mem_size; |
6cf6fe39 | 1983 | next_base = mem_base + mem_len; |
72c194f7 | 1984 | } |
16b42263 DL |
1985 | |
1986 | if (mem_len > 0) { | |
1987 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
1988 | build_srat_memory(numamem, mem_base, mem_len, i - 1, | |
1989 | MEM_AFFINITY_ENABLED); | |
1990 | } | |
72c194f7 | 1991 | } |
c3b0cf6e VV |
1992 | |
1993 | if (machine->nvdimms_state->is_enabled) { | |
1994 | nvdimm_build_srat(table_data); | |
1995 | } | |
1996 | ||
72c194f7 | 1997 | slots = (table_data->len - numa_start) / sizeof *numamem; |
dd4c2f01 | 1998 | for (; slots < pcms->numa_nodes + 2; slots++) { |
72c194f7 | 1999 | numamem = acpi_data_push(table_data, sizeof *numamem); |
64b83136 | 2000 | build_srat_memory(numamem, 0, 0, 0, MEM_AFFINITY_NOFLAGS); |
72c194f7 MT |
2001 | } |
2002 | ||
dbb6da8b IM |
2003 | /* |
2004 | * Entry is required for Windows to enable memory hotplug in OS | |
2005 | * and for Linux to enable SWIOTLB when booted with less than | |
2006 | * 4G of RAM. Windows works better if the entry sets proximity | |
2007 | * to the highest NUMA node in the machine. | |
2008 | * Memory devices may override proximity set by this entry, | |
2009 | * providing _PXM method if necessary. | |
2010 | */ | |
cec65193 | 2011 | if (hotplugabble_address_space_size) { |
dbb6da8b IM |
2012 | numamem = acpi_data_push(table_data, sizeof *numamem); |
2013 | build_srat_memory(numamem, machine->device_memory->base, | |
2014 | hotplugabble_address_space_size, pcms->numa_nodes - 1, | |
2015 | MEM_AFFINITY_HOTPLUGGABLE | MEM_AFFINITY_ENABLED); | |
cec65193 IM |
2016 | } |
2017 | ||
72c194f7 MT |
2018 | build_header(linker, table_data, |
2019 | (void *)(table_data->data + srat_start), | |
821e3227 | 2020 | "SRAT", |
d07b2286 MP |
2021 | table_data->len - srat_start, 1, x86ms->oem_id, |
2022 | x86ms->oem_table_id); | |
72c194f7 MT |
2023 | } |
2024 | ||
26863366 XW |
2025 | /* |
2026 | * Insert DMAR scope for PCI bridges and endpoint devcie | |
2027 | */ | |
2028 | static void | |
2029 | insert_scope(PCIBus *bus, PCIDevice *dev, void *opaque) | |
2030 | { | |
2031 | GArray *scope_blob = opaque; | |
2032 | AcpiDmarDeviceScope *scope = NULL; | |
2033 | ||
2034 | if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_BRIDGE)) { | |
2035 | /* Dmar Scope Type: 0x02 for PCI Bridge */ | |
2036 | build_append_int_noprefix(scope_blob, 0x02, 1); | |
2037 | } else { | |
2038 | /* Dmar Scope Type: 0x01 for PCI Endpoint Device */ | |
2039 | build_append_int_noprefix(scope_blob, 0x01, 1); | |
2040 | } | |
2041 | ||
2042 | /* length */ | |
2043 | build_append_int_noprefix(scope_blob, | |
2044 | sizeof(*scope) + sizeof(scope->path[0]), 1); | |
2045 | /* reserved */ | |
2046 | build_append_int_noprefix(scope_blob, 0, 2); | |
2047 | /* enumeration_id */ | |
2048 | build_append_int_noprefix(scope_blob, 0, 1); | |
2049 | /* bus */ | |
2050 | build_append_int_noprefix(scope_blob, pci_bus_num(bus), 1); | |
2051 | /* device */ | |
2052 | build_append_int_noprefix(scope_blob, PCI_SLOT(dev->devfn), 1); | |
2053 | /* function */ | |
2054 | build_append_int_noprefix(scope_blob, PCI_FUNC(dev->devfn), 1); | |
2055 | } | |
2056 | ||
2057 | /* For a given PCI host bridge, walk and insert DMAR scope */ | |
2058 | static int | |
2059 | dmar_host_bridges(Object *obj, void *opaque) | |
2060 | { | |
2061 | GArray *scope_blob = opaque; | |
2062 | ||
2063 | if (object_dynamic_cast(obj, TYPE_PCI_HOST_BRIDGE)) { | |
2064 | PCIBus *bus = PCI_HOST_BRIDGE(obj)->bus; | |
2065 | ||
2066 | if (bus && !pci_bus_bypass_iommu(bus)) { | |
2067 | pci_for_each_device(bus, pci_bus_num(bus), insert_scope, | |
2068 | scope_blob); | |
2069 | } | |
2070 | } | |
2071 | ||
2072 | return 0; | |
2073 | } | |
2074 | ||
d46114f9 PX |
2075 | /* |
2076 | * VT-d spec 8.1 DMA Remapping Reporting Structure | |
2077 | * (version Oct. 2014 or later) | |
2078 | */ | |
d4eb9119 | 2079 | static void |
602b4582 MP |
2080 | build_dmar_q35(GArray *table_data, BIOSLinker *linker, const char *oem_id, |
2081 | const char *oem_table_id) | |
d4eb9119 LT |
2082 | { |
2083 | int dmar_start = table_data->len; | |
2084 | ||
2085 | AcpiTableDmar *dmar; | |
2086 | AcpiDmarHardwareUnit *drhd; | |
bd2baacc | 2087 | AcpiDmarRootPortATS *atsr; |
d46114f9 PX |
2088 | uint8_t dmar_flags = 0; |
2089 | X86IOMMUState *iommu = x86_iommu_get_default(); | |
cfc13df4 PX |
2090 | AcpiDmarDeviceScope *scope = NULL; |
2091 | /* Root complex IOAPIC use one path[0] only */ | |
2092 | size_t ioapic_scope_size = sizeof(*scope) + sizeof(scope->path[0]); | |
37f51384 | 2093 | IntelIOMMUState *intel_iommu = INTEL_IOMMU_DEVICE(iommu); |
26863366 XW |
2094 | GArray *scope_blob = g_array_new(false, true, 1); |
2095 | ||
2096 | /* | |
2097 | * A PCI bus walk, for each PCI host bridge. | |
2098 | * Insert scope for each PCI bridge and endpoint device which | |
2099 | * is attached to a bus with iommu enabled. | |
2100 | */ | |
2101 | object_child_foreach_recursive(object_get_root(), | |
2102 | dmar_host_bridges, scope_blob); | |
d46114f9 PX |
2103 | |
2104 | assert(iommu); | |
a924b3d8 | 2105 | if (x86_iommu_ir_supported(iommu)) { |
d46114f9 PX |
2106 | dmar_flags |= 0x1; /* Flags: 0x1: INT_REMAP */ |
2107 | } | |
d4eb9119 LT |
2108 | |
2109 | dmar = acpi_data_push(table_data, sizeof(*dmar)); | |
37f51384 | 2110 | dmar->host_address_width = intel_iommu->aw_bits - 1; |
d46114f9 | 2111 | dmar->flags = dmar_flags; |
d4eb9119 LT |
2112 | |
2113 | /* DMAR Remapping Hardware Unit Definition structure */ | |
cfc13df4 | 2114 | drhd = acpi_data_push(table_data, sizeof(*drhd) + ioapic_scope_size); |
d4eb9119 | 2115 | drhd->type = cpu_to_le16(ACPI_DMAR_TYPE_HARDWARE_UNIT); |
26863366 XW |
2116 | drhd->length = |
2117 | cpu_to_le16(sizeof(*drhd) + ioapic_scope_size + scope_blob->len); | |
2118 | drhd->flags = 0; /* Don't include all pci device */ | |
d4eb9119 LT |
2119 | drhd->pci_segment = cpu_to_le16(0); |
2120 | drhd->address = cpu_to_le64(Q35_HOST_BRIDGE_IOMMU_ADDR); | |
2121 | ||
cfc13df4 PX |
2122 | /* Scope definition for the root-complex IOAPIC. See VT-d spec |
2123 | * 8.3.1 (version Oct. 2014 or later). */ | |
2124 | scope = &drhd->scope[0]; | |
2125 | scope->entry_type = 0x03; /* Type: 0x03 for IOAPIC */ | |
2126 | scope->length = ioapic_scope_size; | |
2127 | scope->enumeration_id = ACPI_BUILD_IOAPIC_ID; | |
2128 | scope->bus = Q35_PSEUDO_BUS_PLATFORM; | |
1b39bc1c PX |
2129 | scope->path[0].device = PCI_SLOT(Q35_PSEUDO_DEVFN_IOAPIC); |
2130 | scope->path[0].function = PCI_FUNC(Q35_PSEUDO_DEVFN_IOAPIC); | |
cfc13df4 | 2131 | |
26863366 XW |
2132 | /* Add scope found above */ |
2133 | g_array_append_vals(table_data, scope_blob->data, scope_blob->len); | |
2134 | g_array_free(scope_blob, true); | |
2135 | ||
bd2baacc JW |
2136 | if (iommu->dt_supported) { |
2137 | atsr = acpi_data_push(table_data, sizeof(*atsr)); | |
2138 | atsr->type = cpu_to_le16(ACPI_DMAR_TYPE_ATSR); | |
2139 | atsr->length = cpu_to_le16(sizeof(*atsr)); | |
2140 | atsr->flags = ACPI_DMAR_ATSR_ALL_PORTS; | |
2141 | atsr->pci_segment = cpu_to_le16(0); | |
2142 | } | |
2143 | ||
d4eb9119 | 2144 | build_header(linker, table_data, (void *)(table_data->data + dmar_start), |
602b4582 | 2145 | "DMAR", table_data->len - dmar_start, 1, oem_id, oem_table_id); |
d4eb9119 | 2146 | } |
14cda350 LA |
2147 | |
2148 | /* | |
2149 | * Windows ACPI Emulated Devices Table | |
2150 | * (Version 1.0 - April 6, 2009) | |
2151 | * Spec: http://download.microsoft.com/download/7/E/7/7E7662CF-CBEA-470B-A97E-CE7CE0D98DC2/WAET.docx | |
2152 | * | |
2153 | * Helpful to speedup Windows guests and ignored by others. | |
2154 | */ | |
2155 | static void | |
602b4582 MP |
2156 | build_waet(GArray *table_data, BIOSLinker *linker, const char *oem_id, |
2157 | const char *oem_table_id) | |
14cda350 LA |
2158 | { |
2159 | int waet_start = table_data->len; | |
2160 | ||
2161 | /* WAET header */ | |
2162 | acpi_data_push(table_data, sizeof(AcpiTableHeader)); | |
2163 | /* | |
2164 | * Set "ACPI PM timer good" flag. | |
2165 | * | |
2166 | * Tells Windows guests that our ACPI PM timer is reliable in the | |
2167 | * sense that guest can read it only once to obtain a reliable value. | |
2168 | * Which avoids costly VMExits caused by guest re-reading it unnecessarily. | |
2169 | */ | |
2170 | build_append_int_noprefix(table_data, 1 << 1 /* ACPI PM timer good */, 4); | |
2171 | ||
2172 | build_header(linker, table_data, (void *)(table_data->data + waet_start), | |
602b4582 | 2173 | "WAET", table_data->len - waet_start, 1, oem_id, oem_table_id); |
14cda350 LA |
2174 | } |
2175 | ||
fb9f5926 DK |
2176 | /* |
2177 | * IVRS table as specified in AMD IOMMU Specification v2.62, Section 5.2 | |
2178 | * accessible here http://support.amd.com/TechDocs/48882_IOMMU.pdf | |
2179 | */ | |
c028818d BS |
2180 | #define IOAPIC_SB_DEVID (uint64_t)PCI_BUILD_BDF(0, PCI_DEVFN(0x14, 0)) |
2181 | ||
977aff10 AW |
2182 | /* |
2183 | * Insert IVHD entry for device and recurse, insert alias, or insert range as | |
2184 | * necessary for the PCI topology. | |
2185 | */ | |
2186 | static void | |
2187 | insert_ivhd(PCIBus *bus, PCIDevice *dev, void *opaque) | |
2188 | { | |
2189 | GArray *table_data = opaque; | |
2190 | uint32_t entry; | |
2191 | ||
2192 | /* "Select" IVHD entry, type 0x2 */ | |
2193 | entry = PCI_BUILD_BDF(pci_bus_num(bus), dev->devfn) << 8 | 0x2; | |
2194 | build_append_int_noprefix(table_data, entry, 4); | |
2195 | ||
2196 | if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_BRIDGE)) { | |
2197 | PCIBus *sec_bus = pci_bridge_get_sec_bus(PCI_BRIDGE(dev)); | |
2198 | uint8_t sec = pci_bus_num(sec_bus); | |
2199 | uint8_t sub = dev->config[PCI_SUBORDINATE_BUS]; | |
2200 | ||
2201 | if (pci_bus_is_express(sec_bus)) { | |
2202 | /* | |
2203 | * Walk the bus if there are subordinates, otherwise use a range | |
2204 | * to cover an entire leaf bus. We could potentially also use a | |
2205 | * range for traversed buses, but we'd need to take care not to | |
2206 | * create both Select and Range entries covering the same device. | |
2207 | * This is easier and potentially more compact. | |
2208 | * | |
2209 | * An example bare metal system seems to use Select entries for | |
2210 | * root ports without a slot (ie. built-ins) and Range entries | |
2211 | * when there is a slot. The same system also only hard-codes | |
2212 | * the alias range for an onboard PCIe-to-PCI bridge, apparently | |
2213 | * making no effort to support nested bridges. We attempt to | |
2214 | * be more thorough here. | |
2215 | */ | |
2216 | if (sec == sub) { /* leaf bus */ | |
2217 | /* "Start of Range" IVHD entry, type 0x3 */ | |
2218 | entry = PCI_BUILD_BDF(sec, PCI_DEVFN(0, 0)) << 8 | 0x3; | |
2219 | build_append_int_noprefix(table_data, entry, 4); | |
2220 | /* "End of Range" IVHD entry, type 0x4 */ | |
2221 | entry = PCI_BUILD_BDF(sub, PCI_DEVFN(31, 7)) << 8 | 0x4; | |
2222 | build_append_int_noprefix(table_data, entry, 4); | |
2223 | } else { | |
2224 | pci_for_each_device(sec_bus, sec, insert_ivhd, table_data); | |
2225 | } | |
2226 | } else { | |
2227 | /* | |
2228 | * If the secondary bus is conventional, then we need to create an | |
2229 | * Alias range for everything downstream. The range covers the | |
2230 | * first devfn on the secondary bus to the last devfn on the | |
2231 | * subordinate bus. The alias target depends on legacy versus | |
2232 | * express bridges, just as in pci_device_iommu_address_space(). | |
2233 | * DeviceIDa vs DeviceIDb as per the AMD IOMMU spec. | |
2234 | */ | |
2235 | uint16_t dev_id_a, dev_id_b; | |
2236 | ||
2237 | dev_id_a = PCI_BUILD_BDF(sec, PCI_DEVFN(0, 0)); | |
2238 | ||
2239 | if (pci_is_express(dev) && | |
2240 | pcie_cap_get_type(dev) == PCI_EXP_TYPE_PCI_BRIDGE) { | |
2241 | dev_id_b = dev_id_a; | |
2242 | } else { | |
2243 | dev_id_b = PCI_BUILD_BDF(pci_bus_num(bus), dev->devfn); | |
2244 | } | |
2245 | ||
2246 | /* "Alias Start of Range" IVHD entry, type 0x43, 8 bytes */ | |
2247 | build_append_int_noprefix(table_data, dev_id_a << 8 | 0x43, 4); | |
2248 | build_append_int_noprefix(table_data, dev_id_b << 8 | 0x0, 4); | |
2249 | ||
2250 | /* "End of Range" IVHD entry, type 0x4 */ | |
2251 | entry = PCI_BUILD_BDF(sub, PCI_DEVFN(31, 7)) << 8 | 0x4; | |
2252 | build_append_int_noprefix(table_data, entry, 4); | |
2253 | } | |
2254 | } | |
2255 | } | |
2256 | ||
2257 | /* For all PCI host bridges, walk and insert IVHD entries */ | |
2258 | static int | |
2259 | ivrs_host_bridges(Object *obj, void *opaque) | |
2260 | { | |
2261 | GArray *ivhd_blob = opaque; | |
2262 | ||
2263 | if (object_dynamic_cast(obj, TYPE_PCI_HOST_BRIDGE)) { | |
2264 | PCIBus *bus = PCI_HOST_BRIDGE(obj)->bus; | |
2265 | ||
2266 | if (bus) { | |
2267 | pci_for_each_device(bus, pci_bus_num(bus), insert_ivhd, ivhd_blob); | |
2268 | } | |
2269 | } | |
2270 | ||
2271 | return 0; | |
2272 | } | |
2273 | ||
fb9f5926 | 2274 | static void |
602b4582 MP |
2275 | build_amd_iommu(GArray *table_data, BIOSLinker *linker, const char *oem_id, |
2276 | const char *oem_table_id) | |
fb9f5926 | 2277 | { |
977aff10 | 2278 | int ivhd_table_len = 24; |
fb9f5926 DK |
2279 | int iommu_start = table_data->len; |
2280 | AMDVIState *s = AMD_IOMMU_DEVICE(x86_iommu_get_default()); | |
977aff10 | 2281 | GArray *ivhd_blob = g_array_new(false, true, 1); |
fb9f5926 DK |
2282 | |
2283 | /* IVRS header */ | |
2284 | acpi_data_push(table_data, sizeof(AcpiTableHeader)); | |
2285 | /* IVinfo - IO virtualization information common to all | |
2286 | * IOMMU units in a system | |
2287 | */ | |
2288 | build_append_int_noprefix(table_data, 40UL << 8/* PASize */, 4); | |
2289 | /* reserved */ | |
2290 | build_append_int_noprefix(table_data, 0, 8); | |
2291 | ||
2292 | /* IVHD definition - type 10h */ | |
2293 | build_append_int_noprefix(table_data, 0x10, 1); | |
2294 | /* virtualization flags */ | |
2295 | build_append_int_noprefix(table_data, | |
2296 | (1UL << 0) | /* HtTunEn */ | |
2297 | (1UL << 4) | /* iotblSup */ | |
2298 | (1UL << 6) | /* PrefSup */ | |
2299 | (1UL << 7), /* PPRSup */ | |
2300 | 1); | |
c028818d | 2301 | |
977aff10 AW |
2302 | /* |
2303 | * A PCI bus walk, for each PCI host bridge, is necessary to create a | |
2304 | * complete set of IVHD entries. Do this into a separate blob so that we | |
2305 | * can calculate the total IVRS table length here and then append the new | |
2306 | * blob further below. Fall back to an entry covering all devices, which | |
2307 | * is sufficient when no aliases are present. | |
2308 | */ | |
2309 | object_child_foreach_recursive(object_get_root(), | |
2310 | ivrs_host_bridges, ivhd_blob); | |
2311 | ||
2312 | if (!ivhd_blob->len) { | |
2313 | /* | |
2314 | * Type 1 device entry reporting all devices | |
2315 | * These are 4-byte device entries currently reporting the range of | |
2316 | * Refer to Spec - Table 95:IVHD Device Entry Type Codes(4-byte) | |
2317 | */ | |
2318 | build_append_int_noprefix(ivhd_blob, 0x0000001, 4); | |
2319 | } | |
2320 | ||
2321 | ivhd_table_len += ivhd_blob->len; | |
2322 | ||
c028818d BS |
2323 | /* |
2324 | * When interrupt remapping is supported, we add a special IVHD device | |
2325 | * for type IO-APIC. | |
2326 | */ | |
a924b3d8 | 2327 | if (x86_iommu_ir_supported(x86_iommu_get_default())) { |
c028818d BS |
2328 | ivhd_table_len += 8; |
2329 | } | |
977aff10 | 2330 | |
fb9f5926 | 2331 | /* IVHD length */ |
c028818d | 2332 | build_append_int_noprefix(table_data, ivhd_table_len, 2); |
fb9f5926 DK |
2333 | /* DeviceID */ |
2334 | build_append_int_noprefix(table_data, s->devid, 2); | |
2335 | /* Capability offset */ | |
2336 | build_append_int_noprefix(table_data, s->capab_offset, 2); | |
2337 | /* IOMMU base address */ | |
2338 | build_append_int_noprefix(table_data, s->mmio.addr, 8); | |
2339 | /* PCI Segment Group */ | |
2340 | build_append_int_noprefix(table_data, 0, 2); | |
2341 | /* IOMMU info */ | |
2342 | build_append_int_noprefix(table_data, 0, 2); | |
2343 | /* IOMMU Feature Reporting */ | |
2344 | build_append_int_noprefix(table_data, | |
2345 | (48UL << 30) | /* HATS */ | |
2346 | (48UL << 28) | /* GATS */ | |
12499b23 BS |
2347 | (1UL << 2) | /* GTSup */ |
2348 | (1UL << 6), /* GASup */ | |
fb9f5926 | 2349 | 4); |
977aff10 AW |
2350 | |
2351 | /* IVHD entries as found above */ | |
2352 | g_array_append_vals(table_data, ivhd_blob->data, ivhd_blob->len); | |
2353 | g_array_free(ivhd_blob, TRUE); | |
fb9f5926 | 2354 | |
c028818d BS |
2355 | /* |
2356 | * Add a special IVHD device type. | |
2357 | * Refer to spec - Table 95: IVHD device entry type codes | |
2358 | * | |
2359 | * Linux IOMMU driver checks for the special IVHD device (type IO-APIC). | |
2360 | * See Linux kernel commit 'c2ff5cf5294bcbd7fa50f7d860e90a66db7e5059' | |
2361 | */ | |
a924b3d8 | 2362 | if (x86_iommu_ir_supported(x86_iommu_get_default())) { |
c028818d BS |
2363 | build_append_int_noprefix(table_data, |
2364 | (0x1ull << 56) | /* type IOAPIC */ | |
2365 | (IOAPIC_SB_DEVID << 40) | /* IOAPIC devid */ | |
2366 | 0x48, /* special device */ | |
2367 | 8); | |
2368 | } | |
2369 | ||
fb9f5926 | 2370 | build_header(linker, table_data, (void *)(table_data->data + iommu_start), |
602b4582 MP |
2371 | "IVRS", table_data->len - iommu_start, 1, oem_id, |
2372 | oem_table_id); | |
fb9f5926 | 2373 | } |
d4eb9119 | 2374 | |
72c194f7 MT |
2375 | typedef |
2376 | struct AcpiBuildState { | |
2377 | /* Copy of table in RAM (for patching). */ | |
339240b5 | 2378 | MemoryRegion *table_mr; |
72c194f7 MT |
2379 | /* Is table patched? */ |
2380 | uint8_t patched; | |
d70414a5 | 2381 | void *rsdp; |
339240b5 PB |
2382 | MemoryRegion *rsdp_mr; |
2383 | MemoryRegion *linker_mr; | |
72c194f7 MT |
2384 | } AcpiBuildState; |
2385 | ||
2386 | static bool acpi_get_mcfg(AcpiMcfgInfo *mcfg) | |
2387 | { | |
2388 | Object *pci_host; | |
2389 | QObject *o; | |
72c194f7 | 2390 | |
ca6c1855 | 2391 | pci_host = acpi_get_i386_pci_host(); |
c0e427d6 JS |
2392 | if (!pci_host) { |
2393 | return false; | |
2394 | } | |
72c194f7 MT |
2395 | |
2396 | o = object_property_get_qobject(pci_host, PCIE_HOST_MCFG_BASE, NULL); | |
2397 | if (!o) { | |
2398 | return false; | |
2399 | } | |
c309434e | 2400 | mcfg->base = qnum_get_uint(qobject_to(QNum, o)); |
cb3e7f08 | 2401 | qobject_unref(o); |
c309434e | 2402 | if (mcfg->base == PCIE_BASE_ADDR_UNMAPPED) { |
fe4970ad IM |
2403 | return false; |
2404 | } | |
72c194f7 MT |
2405 | |
2406 | o = object_property_get_qobject(pci_host, PCIE_HOST_MCFG_SIZE, NULL); | |
2407 | assert(o); | |
c309434e | 2408 | mcfg->size = qnum_get_uint(qobject_to(QNum, o)); |
cb3e7f08 | 2409 | qobject_unref(o); |
72c194f7 MT |
2410 | return true; |
2411 | } | |
2412 | ||
2413 | static | |
3d3ebcad | 2414 | void acpi_build(AcpiBuildTables *tables, MachineState *machine) |
72c194f7 | 2415 | { |
3d3ebcad | 2416 | PCMachineState *pcms = PC_MACHINE(machine); |
bb292f5a | 2417 | PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); |
f0bb276b | 2418 | X86MachineState *x86ms = X86_MACHINE(machine); |
72c194f7 | 2419 | GArray *table_offsets; |
41fa5c04 | 2420 | unsigned facs, dsdt, rsdt, fadt; |
72c194f7 MT |
2421 | AcpiPmInfo pm; |
2422 | AcpiMiscInfo misc; | |
2423 | AcpiMcfgInfo mcfg; | |
c0e427d6 | 2424 | Range pci_hole = {}, pci_hole64 = {}; |
72c194f7 | 2425 | uint8_t *u; |
07fb6176 | 2426 | size_t aml_len = 0; |
7c2c1fa5 | 2427 | GArray *tables_blob = tables->table_data; |
ae123749 | 2428 | AcpiSlicOem slic_oem = { .id = NULL, .table_id = NULL }; |
d03637bc | 2429 | Object *vmgenid_dev; |
602b4582 MP |
2430 | char *oem_id; |
2431 | char *oem_table_id; | |
72c194f7 | 2432 | |
0e11fc69 | 2433 | acpi_get_pm_info(machine, &pm); |
72c194f7 | 2434 | acpi_get_misc_info(&misc); |
01c9742d | 2435 | acpi_get_pci_holes(&pci_hole, &pci_hole64); |
ae123749 | 2436 | acpi_get_slic_oem(&slic_oem); |
72c194f7 | 2437 | |
602b4582 MP |
2438 | if (slic_oem.id) { |
2439 | oem_id = slic_oem.id; | |
2440 | } else { | |
d07b2286 | 2441 | oem_id = x86ms->oem_id; |
602b4582 MP |
2442 | } |
2443 | ||
2444 | if (slic_oem.table_id) { | |
2445 | oem_table_id = slic_oem.table_id; | |
2446 | } else { | |
d07b2286 | 2447 | oem_table_id = x86ms->oem_table_id; |
602b4582 MP |
2448 | } |
2449 | ||
72c194f7 MT |
2450 | table_offsets = g_array_new(false, true /* clear */, |
2451 | sizeof(uint32_t)); | |
8b310fc4 | 2452 | ACPI_BUILD_DPRINTF("init ACPI tables\n"); |
72c194f7 | 2453 | |
ad9671b8 IM |
2454 | bios_linker_loader_alloc(tables->linker, |
2455 | ACPI_BUILD_TABLE_FILE, tables_blob, | |
72c194f7 MT |
2456 | 64 /* Ensure FACS is aligned */, |
2457 | false /* high memory */); | |
2458 | ||
2459 | /* | |
2460 | * FACS is pointed to by FADT. | |
2461 | * We place it first since it's the only table that has alignment | |
2462 | * requirements. | |
2463 | */ | |
7c2c1fa5 | 2464 | facs = tables_blob->len; |
009180bd | 2465 | build_facs(tables_blob); |
72c194f7 MT |
2466 | |
2467 | /* DSDT is pointed to by FADT */ | |
7c2c1fa5 | 2468 | dsdt = tables_blob->len; |
01c9742d MA |
2469 | build_dsdt(tables_blob, tables->linker, &pm, &misc, |
2470 | &pci_hole, &pci_hole64, machine); | |
72c194f7 | 2471 | |
07fb6176 PB |
2472 | /* Count the size of the DSDT and SSDT, we will need it for legacy |
2473 | * sizing of ACPI tables. | |
2474 | */ | |
7c2c1fa5 | 2475 | aml_len += tables_blob->len - dsdt; |
07fb6176 | 2476 | |
72c194f7 | 2477 | /* ACPI tables pointed to by RSDT */ |
41fa5c04 | 2478 | fadt = tables_blob->len; |
7c2c1fa5 | 2479 | acpi_add_table(table_offsets, tables_blob); |
937d1b58 IM |
2480 | pm.fadt.facs_tbl_offset = &facs; |
2481 | pm.fadt.dsdt_tbl_offset = &dsdt; | |
2482 | pm.fadt.xdsdt_tbl_offset = &dsdt; | |
602b4582 | 2483 | build_fadt(tables_blob, tables->linker, &pm.fadt, oem_id, oem_table_id); |
41fa5c04 | 2484 | aml_len += tables_blob->len - fadt; |
72c194f7 | 2485 | |
7c2c1fa5 | 2486 | acpi_add_table(table_offsets, tables_blob); |
eb66ffab | 2487 | acpi_build_madt(tables_blob, tables->linker, x86ms, |
d07b2286 MP |
2488 | ACPI_DEVICE_IF(x86ms->acpi_dev), x86ms->oem_id, |
2489 | x86ms->oem_table_id); | |
9ac1c4c0 | 2490 | |
d03637bc BW |
2491 | vmgenid_dev = find_vmgenid_dev(); |
2492 | if (vmgenid_dev) { | |
2493 | acpi_add_table(table_offsets, tables_blob); | |
2494 | vmgenid_build_acpi(VMGENID(vmgenid_dev), tables_blob, | |
d07b2286 | 2495 | tables->vmgenid, tables->linker, x86ms->oem_id); |
d03637bc BW |
2496 | } |
2497 | ||
72c194f7 | 2498 | if (misc.has_hpet) { |
7c2c1fa5 | 2499 | acpi_add_table(table_offsets, tables_blob); |
d07b2286 MP |
2500 | build_hpet(tables_blob, tables->linker, x86ms->oem_id, |
2501 | x86ms->oem_table_id); | |
711b20b4 | 2502 | } |
11fb99e6 | 2503 | #ifdef CONFIG_TPM |
5cb18b3d | 2504 | if (misc.tpm_version != TPM_VERSION_UNSPEC) { |
7e7c1b84 SB |
2505 | if (misc.tpm_version == TPM_VERSION_1_2) { |
2506 | acpi_add_table(table_offsets, tables_blob); | |
602b4582 | 2507 | build_tpm_tcpa(tables_blob, tables->linker, tables->tcpalog, |
d07b2286 | 2508 | x86ms->oem_id, x86ms->oem_table_id); |
7e7c1b84 | 2509 | } else { /* TPM_VERSION_2_0 */ |
72d97b3a | 2510 | acpi_add_table(table_offsets, tables_blob); |
602b4582 | 2511 | build_tpm2(tables_blob, tables->linker, tables->tcpalog, |
d07b2286 | 2512 | x86ms->oem_id, x86ms->oem_table_id); |
5cb18b3d | 2513 | } |
72c194f7 | 2514 | } |
11fb99e6 | 2515 | #endif |
dd4c2f01 | 2516 | if (pcms->numa_nodes) { |
7c2c1fa5 | 2517 | acpi_add_table(table_offsets, tables_blob); |
3d3ebcad | 2518 | build_srat(tables_blob, tables->linker, machine); |
118154b7 | 2519 | if (machine->numa_state->have_numa_distance) { |
0f203430 | 2520 | acpi_add_table(table_offsets, tables_blob); |
d07b2286 MP |
2521 | build_slit(tables_blob, tables->linker, machine, x86ms->oem_id, |
2522 | x86ms->oem_table_id); | |
0f203430 | 2523 | } |
e6f123c3 LJ |
2524 | if (machine->numa_state->hmat_enabled) { |
2525 | acpi_add_table(table_offsets, tables_blob); | |
602b4582 | 2526 | build_hmat(tables_blob, tables->linker, machine->numa_state, |
d07b2286 | 2527 | x86ms->oem_id, x86ms->oem_table_id); |
e6f123c3 | 2528 | } |
72c194f7 MT |
2529 | } |
2530 | if (acpi_get_mcfg(&mcfg)) { | |
7c2c1fa5 | 2531 | acpi_add_table(table_offsets, tables_blob); |
d07b2286 MP |
2532 | build_mcfg(tables_blob, tables->linker, &mcfg, x86ms->oem_id, |
2533 | x86ms->oem_table_id); | |
72c194f7 | 2534 | } |
fb9f5926 DK |
2535 | if (x86_iommu_get_default()) { |
2536 | IommuType IOMMUType = x86_iommu_get_type(); | |
2537 | if (IOMMUType == TYPE_AMD) { | |
2538 | acpi_add_table(table_offsets, tables_blob); | |
d07b2286 MP |
2539 | build_amd_iommu(tables_blob, tables->linker, x86ms->oem_id, |
2540 | x86ms->oem_table_id); | |
fb9f5926 DK |
2541 | } else if (IOMMUType == TYPE_INTEL) { |
2542 | acpi_add_table(table_offsets, tables_blob); | |
d07b2286 MP |
2543 | build_dmar_q35(tables_blob, tables->linker, x86ms->oem_id, |
2544 | x86ms->oem_table_id); | |
fb9f5926 | 2545 | } |
d4eb9119 | 2546 | } |
f6a0d06b | 2547 | if (machine->nvdimms_state->is_enabled) { |
ad9671b8 | 2548 | nvdimm_build_acpi(table_offsets, tables_blob, tables->linker, |
602b4582 | 2549 | machine->nvdimms_state, machine->ram_slots, |
d07b2286 | 2550 | x86ms->oem_id, x86ms->oem_table_id); |
87252e1b XG |
2551 | } |
2552 | ||
14cda350 | 2553 | acpi_add_table(table_offsets, tables_blob); |
d07b2286 | 2554 | build_waet(tables_blob, tables->linker, x86ms->oem_id, x86ms->oem_table_id); |
14cda350 | 2555 | |
72c194f7 MT |
2556 | /* Add tables supplied by user (if any) */ |
2557 | for (u = acpi_table_first(); u; u = acpi_table_next(u)) { | |
2558 | unsigned len = acpi_table_len(u); | |
2559 | ||
7c2c1fa5 IM |
2560 | acpi_add_table(table_offsets, tables_blob); |
2561 | g_array_append_vals(tables_blob, u, len); | |
72c194f7 MT |
2562 | } |
2563 | ||
2564 | /* RSDT is pointed to by RSDP */ | |
7c2c1fa5 | 2565 | rsdt = tables_blob->len; |
ae123749 | 2566 | build_rsdt(tables_blob, tables->linker, table_offsets, |
602b4582 | 2567 | oem_id, oem_table_id); |
72c194f7 MT |
2568 | |
2569 | /* RSDP is in FSEG memory, so allocate it separately */ | |
a46ce1c2 SO |
2570 | { |
2571 | AcpiRsdpData rsdp_data = { | |
2572 | .revision = 0, | |
d07b2286 | 2573 | .oem_id = x86ms->oem_id, |
a46ce1c2 SO |
2574 | .xsdt_tbl_offset = NULL, |
2575 | .rsdt_tbl_offset = &rsdt, | |
2576 | }; | |
2577 | build_rsdp(tables->rsdp, tables->linker, &rsdp_data); | |
2578 | if (!pcmc->rsdp_in_ram) { | |
2579 | /* We used to allocate some extra space for RSDP revision 2 but | |
2580 | * only used the RSDP revision 0 space. The extra bytes were | |
2581 | * zeroed out and not used. | |
2582 | * Here we continue wasting those extra 16 bytes to make sure we | |
2583 | * don't break migration for machine types 2.2 and older due to | |
2584 | * RSDP blob size mismatch. | |
2585 | */ | |
2586 | build_append_int_noprefix(tables->rsdp, 0, 16); | |
2587 | } | |
2588 | } | |
72c194f7 | 2589 | |
07fb6176 | 2590 | /* We'll expose it all to Guest so we want to reduce |
72c194f7 | 2591 | * chance of size changes. |
07fb6176 PB |
2592 | * |
2593 | * We used to align the tables to 4k, but of course this would | |
2594 | * too simple to be enough. 4k turned out to be too small an | |
2595 | * alignment very soon, and in fact it is almost impossible to | |
2596 | * keep the table size stable for all (max_cpus, max_memory_slots) | |
2597 | * combinations. So the table size is always 64k for pc-i440fx-2.1 | |
2598 | * and we give an error if the table grows beyond that limit. | |
2599 | * | |
2600 | * We still have the problem of migrating from "-M pc-i440fx-2.0". For | |
2601 | * that, we exploit the fact that QEMU 2.1 generates _smaller_ tables | |
2602 | * than 2.0 and we can always pad the smaller tables with zeros. We can | |
2603 | * then use the exact size of the 2.0 tables. | |
2604 | * | |
2605 | * All this is for PIIX4, since QEMU 2.0 didn't support Q35 migration. | |
72c194f7 | 2606 | */ |
bb292f5a | 2607 | if (pcmc->legacy_acpi_table_size) { |
07fb6176 PB |
2608 | /* Subtracting aml_len gives the size of fixed tables. Then add the |
2609 | * size of the PIIX4 DSDT/SSDT in QEMU 2.0. | |
2610 | */ | |
2611 | int legacy_aml_len = | |
bb292f5a | 2612 | pcmc->legacy_acpi_table_size + |
f0bb276b | 2613 | ACPI_BUILD_LEGACY_CPU_AML_SIZE * x86ms->apic_id_limit; |
07fb6176 | 2614 | int legacy_table_size = |
7c2c1fa5 | 2615 | ROUND_UP(tables_blob->len - aml_len + legacy_aml_len, |
07fb6176 | 2616 | ACPI_BUILD_ALIGN_SIZE); |
7c2c1fa5 | 2617 | if (tables_blob->len > legacy_table_size) { |
07fb6176 | 2618 | /* Should happen only with PCI bridges and -M pc-i440fx-2.0. */ |
9e5d2c52 AF |
2619 | warn_report("ACPI table size %u exceeds %d bytes," |
2620 | " migration may not work", | |
2621 | tables_blob->len, legacy_table_size); | |
2622 | error_printf("Try removing CPUs, NUMA nodes, memory slots" | |
2623 | " or PCI bridges."); | |
07fb6176 | 2624 | } |
7c2c1fa5 | 2625 | g_array_set_size(tables_blob, legacy_table_size); |
07fb6176 | 2626 | } else { |
868270f2 | 2627 | /* Make sure we have a buffer in case we need to resize the tables. */ |
7c2c1fa5 | 2628 | if (tables_blob->len > ACPI_BUILD_TABLE_SIZE / 2) { |
18045fb9 | 2629 | /* As of QEMU 2.1, this fires with 160 VCPUs and 255 memory slots. */ |
9e5d2c52 AF |
2630 | warn_report("ACPI table size %u exceeds %d bytes," |
2631 | " migration may not work", | |
2632 | tables_blob->len, ACPI_BUILD_TABLE_SIZE / 2); | |
2633 | error_printf("Try removing CPUs, NUMA nodes, memory slots" | |
2634 | " or PCI bridges."); | |
18045fb9 | 2635 | } |
7c2c1fa5 | 2636 | acpi_align_size(tables_blob, ACPI_BUILD_TABLE_SIZE); |
07fb6176 | 2637 | } |
72c194f7 | 2638 | |
0e9b9eda | 2639 | acpi_align_size(tables->linker->cmd_blob, ACPI_BUILD_ALIGN_SIZE); |
72c194f7 MT |
2640 | |
2641 | /* Cleanup memory that's no longer used. */ | |
2642 | g_array_free(table_offsets, true); | |
2643 | } | |
2644 | ||
339240b5 | 2645 | static void acpi_ram_update(MemoryRegion *mr, GArray *data) |
42d85900 MT |
2646 | { |
2647 | uint32_t size = acpi_data_len(data); | |
2648 | ||
2649 | /* Make sure RAM size is correct - in case it got changed e.g. by migration */ | |
339240b5 | 2650 | memory_region_ram_resize(mr, size, &error_abort); |
42d85900 | 2651 | |
339240b5 PB |
2652 | memcpy(memory_region_get_ram_ptr(mr), data->data, size); |
2653 | memory_region_set_dirty(mr, 0, size); | |
42d85900 MT |
2654 | } |
2655 | ||
3f8752b4 | 2656 | static void acpi_build_update(void *build_opaque) |
72c194f7 MT |
2657 | { |
2658 | AcpiBuildState *build_state = build_opaque; | |
2659 | AcpiBuildTables tables; | |
2660 | ||
2661 | /* No state to update or already patched? Nothing to do. */ | |
2662 | if (!build_state || build_state->patched) { | |
2663 | return; | |
2664 | } | |
2665 | build_state->patched = 1; | |
2666 | ||
2667 | acpi_build_tables_init(&tables); | |
2668 | ||
3d3ebcad | 2669 | acpi_build(&tables, MACHINE(qdev_get_machine())); |
72c194f7 | 2670 | |
339240b5 | 2671 | acpi_ram_update(build_state->table_mr, tables.table_data); |
a1666142 | 2672 | |
42d85900 MT |
2673 | if (build_state->rsdp) { |
2674 | memcpy(build_state->rsdp, tables.rsdp->data, acpi_data_len(tables.rsdp)); | |
2675 | } else { | |
339240b5 | 2676 | acpi_ram_update(build_state->rsdp_mr, tables.rsdp); |
42d85900 | 2677 | } |
ad5b88b1 | 2678 | |
0e9b9eda | 2679 | acpi_ram_update(build_state->linker_mr, tables.linker->cmd_blob); |
72c194f7 MT |
2680 | acpi_build_tables_cleanup(&tables, true); |
2681 | } | |
2682 | ||
2683 | static void acpi_build_reset(void *build_opaque) | |
2684 | { | |
2685 | AcpiBuildState *build_state = build_opaque; | |
2686 | build_state->patched = 0; | |
2687 | } | |
2688 | ||
72c194f7 MT |
2689 | static const VMStateDescription vmstate_acpi_build = { |
2690 | .name = "acpi_build", | |
2691 | .version_id = 1, | |
2692 | .minimum_version_id = 1, | |
d49805ae | 2693 | .fields = (VMStateField[]) { |
72c194f7 MT |
2694 | VMSTATE_UINT8(patched, AcpiBuildState), |
2695 | VMSTATE_END_OF_LIST() | |
2696 | }, | |
2697 | }; | |
2698 | ||
fb306ffe | 2699 | void acpi_setup(void) |
72c194f7 | 2700 | { |
fb306ffe | 2701 | PCMachineState *pcms = PC_MACHINE(qdev_get_machine()); |
bb292f5a | 2702 | PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); |
f0bb276b | 2703 | X86MachineState *x86ms = X86_MACHINE(pcms); |
72c194f7 MT |
2704 | AcpiBuildTables tables; |
2705 | AcpiBuildState *build_state; | |
d03637bc | 2706 | Object *vmgenid_dev; |
11fb99e6 | 2707 | #ifdef CONFIG_TPM |
0fe24669 SB |
2708 | TPMIf *tpm; |
2709 | static FwCfgTPMConfig tpm_config; | |
11fb99e6 | 2710 | #endif |
72c194f7 | 2711 | |
f0bb276b | 2712 | if (!x86ms->fw_cfg) { |
8b310fc4 | 2713 | ACPI_BUILD_DPRINTF("No fw cfg. Bailing out.\n"); |
72c194f7 MT |
2714 | return; |
2715 | } | |
2716 | ||
021746c1 | 2717 | if (!pcms->acpi_build_enabled) { |
8b310fc4 | 2718 | ACPI_BUILD_DPRINTF("ACPI build disabled. Bailing out.\n"); |
72c194f7 MT |
2719 | return; |
2720 | } | |
2721 | ||
17e89077 | 2722 | if (!x86_machine_is_acpi_enabled(X86_MACHINE(pcms))) { |
8b310fc4 | 2723 | ACPI_BUILD_DPRINTF("ACPI disabled. Bailing out.\n"); |
81adc513 MT |
2724 | return; |
2725 | } | |
2726 | ||
72c194f7 MT |
2727 | build_state = g_malloc0(sizeof *build_state); |
2728 | ||
72c194f7 | 2729 | acpi_build_tables_init(&tables); |
3d3ebcad | 2730 | acpi_build(&tables, MACHINE(pcms)); |
72c194f7 MT |
2731 | |
2732 | /* Now expose it all to Guest */ | |
82f76c67 WY |
2733 | build_state->table_mr = acpi_add_rom_blob(acpi_build_update, |
2734 | build_state, tables.table_data, | |
6930ba0d | 2735 | ACPI_BUILD_TABLE_FILE); |
339240b5 | 2736 | assert(build_state->table_mr != NULL); |
72c194f7 | 2737 | |
339240b5 | 2738 | build_state->linker_mr = |
82f76c67 | 2739 | acpi_add_rom_blob(acpi_build_update, build_state, |
6930ba0d | 2740 | tables.linker->cmd_blob, ACPI_BUILD_LOADER_FILE); |
72c194f7 | 2741 | |
11fb99e6 | 2742 | #ifdef CONFIG_TPM |
f0bb276b | 2743 | fw_cfg_add_file(x86ms->fw_cfg, ACPI_BUILD_TPMLOG_FILE, |
42a5b308 SB |
2744 | tables.tcpalog->data, acpi_data_len(tables.tcpalog)); |
2745 | ||
0fe24669 SB |
2746 | tpm = tpm_find(); |
2747 | if (tpm && object_property_get_bool(OBJECT(tpm), "ppi", &error_abort)) { | |
2748 | tpm_config = (FwCfgTPMConfig) { | |
2749 | .tpmppi_address = cpu_to_le32(TPM_PPI_ADDR_BASE), | |
2750 | .tpm_version = tpm_get_version(tpm), | |
ac6dd31e | 2751 | .tpmppi_version = TPM_PPI_VERSION_1_30 |
0fe24669 | 2752 | }; |
f0bb276b | 2753 | fw_cfg_add_file(x86ms->fw_cfg, "etc/tpm/config", |
0fe24669 SB |
2754 | &tpm_config, sizeof tpm_config); |
2755 | } | |
11fb99e6 | 2756 | #endif |
0fe24669 | 2757 | |
d03637bc BW |
2758 | vmgenid_dev = find_vmgenid_dev(); |
2759 | if (vmgenid_dev) { | |
f0bb276b | 2760 | vmgenid_add_fw_cfg(VMGENID(vmgenid_dev), x86ms->fw_cfg, |
d03637bc BW |
2761 | tables.vmgenid); |
2762 | } | |
2763 | ||
bb292f5a | 2764 | if (!pcmc->rsdp_in_ram) { |
358774d7 IM |
2765 | /* |
2766 | * Keep for compatibility with old machine types. | |
2767 | * Though RSDP is small, its contents isn't immutable, so | |
afaa2e4b | 2768 | * we'll update it along with the rest of tables on guest access. |
358774d7 | 2769 | */ |
afaa2e4b MT |
2770 | uint32_t rsdp_size = acpi_data_len(tables.rsdp); |
2771 | ||
2772 | build_state->rsdp = g_memdup(tables.rsdp->data, rsdp_size); | |
f0bb276b | 2773 | fw_cfg_add_file_callback(x86ms->fw_cfg, ACPI_BUILD_RSDP_FILE, |
5f9252f7 | 2774 | acpi_build_update, NULL, build_state, |
baf2d5bf | 2775 | build_state->rsdp, rsdp_size, true); |
339240b5 | 2776 | build_state->rsdp_mr = NULL; |
358774d7 | 2777 | } else { |
42d85900 | 2778 | build_state->rsdp = NULL; |
82f76c67 WY |
2779 | build_state->rsdp_mr = acpi_add_rom_blob(acpi_build_update, |
2780 | build_state, tables.rsdp, | |
6930ba0d | 2781 | ACPI_BUILD_RSDP_FILE); |
358774d7 | 2782 | } |
72c194f7 MT |
2783 | |
2784 | qemu_register_reset(acpi_build_reset, build_state); | |
2785 | acpi_build_reset(build_state); | |
2786 | vmstate_register(NULL, 0, &vmstate_acpi_build, build_state); | |
2787 | ||
2788 | /* Cleanup tables but don't free the memory: we track it | |
2789 | * in build_state. | |
2790 | */ | |
2791 | acpi_build_tables_cleanup(&tables, false); | |
2792 | } |