1 /* Support for generating ACPI tables and passing them to Guests
3 * ARM virt ACPI generation
5 * Copyright (C) 2008-2010 Kevin O'Connor <kevin@koconnor.net>
6 * Copyright (C) 2006 Fabrice Bellard
7 * Copyright (C) 2013 Red Hat Inc
9 * Author: Michael S. Tsirkin <mst@redhat.com>
11 * Copyright (c) 2015 HUAWEI TECHNOLOGIES CO.,LTD.
13 * Author: Shannon Zhao <zhaoshenglong@huawei.com>
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
25 * You should have received a copy of the GNU General Public License along
26 * with this program; if not, see <http://www.gnu.org/licenses/>.
29 #include "qemu/osdep.h"
30 #include "qapi/error.h"
31 #include "qemu/bitmap.h"
33 #include "hw/core/cpu.h"
34 #include "target/arm/cpu.h"
35 #include "hw/acpi/acpi-defs.h"
36 #include "hw/acpi/acpi.h"
37 #include "hw/nvram/fw_cfg.h"
38 #include "hw/acpi/bios-linker-loader.h"
39 #include "hw/acpi/aml-build.h"
40 #include "hw/acpi/utils.h"
41 #include "hw/acpi/pci.h"
42 #include "hw/acpi/memory_hotplug.h"
43 #include "hw/acpi/generic_event_device.h"
44 #include "hw/pci/pcie_host.h"
45 #include "hw/pci/pci.h"
46 #include "hw/arm/virt.h"
47 #include "hw/mem/nvdimm.h"
48 #include "sysemu/numa.h"
49 #include "sysemu/reset.h"
51 #include "migration/vmstate.h"
52 #include "hw/acpi/ghes.h"
54 #define ARM_SPI_BASE 32
56 static void acpi_dsdt_add_cpus(Aml
*scope
, int smp_cpus
)
60 for (i
= 0; i
< smp_cpus
; i
++) {
61 Aml
*dev
= aml_device("C%.03X", i
);
62 aml_append(dev
, aml_name_decl("_HID", aml_string("ACPI0007")));
63 aml_append(dev
, aml_name_decl("_UID", aml_int(i
)));
64 aml_append(scope
, dev
);
68 static void acpi_dsdt_add_uart(Aml
*scope
, const MemMapEntry
*uart_memmap
,
71 Aml
*dev
= aml_device("COM0");
72 aml_append(dev
, aml_name_decl("_HID", aml_string("ARMH0011")));
73 aml_append(dev
, aml_name_decl("_UID", aml_int(0)));
75 Aml
*crs
= aml_resource_template();
76 aml_append(crs
, aml_memory32_fixed(uart_memmap
->base
,
77 uart_memmap
->size
, AML_READ_WRITE
));
79 aml_interrupt(AML_CONSUMER
, AML_LEVEL
, AML_ACTIVE_HIGH
,
80 AML_EXCLUSIVE
, &uart_irq
, 1));
81 aml_append(dev
, aml_name_decl("_CRS", crs
));
83 aml_append(scope
, dev
);
86 static void acpi_dsdt_add_fw_cfg(Aml
*scope
, const MemMapEntry
*fw_cfg_memmap
)
88 Aml
*dev
= aml_device("FWCF");
89 aml_append(dev
, aml_name_decl("_HID", aml_string("QEMU0002")));
90 /* device present, functioning, decoding, not shown in UI */
91 aml_append(dev
, aml_name_decl("_STA", aml_int(0xB)));
92 aml_append(dev
, aml_name_decl("_CCA", aml_int(1)));
94 Aml
*crs
= aml_resource_template();
95 aml_append(crs
, aml_memory32_fixed(fw_cfg_memmap
->base
,
96 fw_cfg_memmap
->size
, AML_READ_WRITE
));
97 aml_append(dev
, aml_name_decl("_CRS", crs
));
98 aml_append(scope
, dev
);
101 static void acpi_dsdt_add_flash(Aml
*scope
, const MemMapEntry
*flash_memmap
)
104 hwaddr base
= flash_memmap
->base
;
105 hwaddr size
= flash_memmap
->size
/ 2;
107 dev
= aml_device("FLS0");
108 aml_append(dev
, aml_name_decl("_HID", aml_string("LNRO0015")));
109 aml_append(dev
, aml_name_decl("_UID", aml_int(0)));
111 crs
= aml_resource_template();
112 aml_append(crs
, aml_memory32_fixed(base
, size
, AML_READ_WRITE
));
113 aml_append(dev
, aml_name_decl("_CRS", crs
));
114 aml_append(scope
, dev
);
116 dev
= aml_device("FLS1");
117 aml_append(dev
, aml_name_decl("_HID", aml_string("LNRO0015")));
118 aml_append(dev
, aml_name_decl("_UID", aml_int(1)));
119 crs
= aml_resource_template();
120 aml_append(crs
, aml_memory32_fixed(base
+ size
, size
, AML_READ_WRITE
));
121 aml_append(dev
, aml_name_decl("_CRS", crs
));
122 aml_append(scope
, dev
);
125 static void acpi_dsdt_add_virtio(Aml
*scope
,
126 const MemMapEntry
*virtio_mmio_memmap
,
127 uint32_t mmio_irq
, int num
)
129 hwaddr base
= virtio_mmio_memmap
->base
;
130 hwaddr size
= virtio_mmio_memmap
->size
;
133 for (i
= 0; i
< num
; i
++) {
134 uint32_t irq
= mmio_irq
+ i
;
135 Aml
*dev
= aml_device("VR%02u", i
);
136 aml_append(dev
, aml_name_decl("_HID", aml_string("LNRO0005")));
137 aml_append(dev
, aml_name_decl("_UID", aml_int(i
)));
138 aml_append(dev
, aml_name_decl("_CCA", aml_int(1)));
140 Aml
*crs
= aml_resource_template();
141 aml_append(crs
, aml_memory32_fixed(base
, size
, AML_READ_WRITE
));
143 aml_interrupt(AML_CONSUMER
, AML_LEVEL
, AML_ACTIVE_HIGH
,
144 AML_EXCLUSIVE
, &irq
, 1));
145 aml_append(dev
, aml_name_decl("_CRS", crs
));
146 aml_append(scope
, dev
);
151 static void acpi_dsdt_add_pci(Aml
*scope
, const MemMapEntry
*memmap
,
152 uint32_t irq
, bool use_highmem
, bool highmem_ecam
)
154 int ecam_id
= VIRT_ECAM_ID(highmem_ecam
);
155 Aml
*method
, *crs
, *ifctx
, *UUID
, *ifctx1
, *elsectx
, *buf
;
157 hwaddr base_mmio
= memmap
[VIRT_PCIE_MMIO
].base
;
158 hwaddr size_mmio
= memmap
[VIRT_PCIE_MMIO
].size
;
159 hwaddr base_pio
= memmap
[VIRT_PCIE_PIO
].base
;
160 hwaddr size_pio
= memmap
[VIRT_PCIE_PIO
].size
;
161 hwaddr base_ecam
= memmap
[ecam_id
].base
;
162 hwaddr size_ecam
= memmap
[ecam_id
].size
;
163 int nr_pcie_buses
= size_ecam
/ PCIE_MMCFG_SIZE_MIN
;
165 Aml
*dev
= aml_device("%s", "PCI0");
166 aml_append(dev
, aml_name_decl("_HID", aml_string("PNP0A08")));
167 aml_append(dev
, aml_name_decl("_CID", aml_string("PNP0A03")));
168 aml_append(dev
, aml_name_decl("_SEG", aml_int(0)));
169 aml_append(dev
, aml_name_decl("_BBN", aml_int(0)));
170 aml_append(dev
, aml_name_decl("_UID", aml_string("PCI0")));
171 aml_append(dev
, aml_name_decl("_STR", aml_unicode("PCIe 0 Device")));
172 aml_append(dev
, aml_name_decl("_CCA", aml_int(1)));
174 /* Declare the PCI Routing Table. */
175 Aml
*rt_pkg
= aml_varpackage(PCI_SLOT_MAX
* PCI_NUM_PINS
);
176 for (slot_no
= 0; slot_no
< PCI_SLOT_MAX
; slot_no
++) {
177 for (i
= 0; i
< PCI_NUM_PINS
; i
++) {
178 int gsi
= (i
+ slot_no
) % PCI_NUM_PINS
;
179 Aml
*pkg
= aml_package(4);
180 aml_append(pkg
, aml_int((slot_no
<< 16) | 0xFFFF));
181 aml_append(pkg
, aml_int(i
));
182 aml_append(pkg
, aml_name("GSI%d", gsi
));
183 aml_append(pkg
, aml_int(0));
184 aml_append(rt_pkg
, pkg
);
187 aml_append(dev
, aml_name_decl("_PRT", rt_pkg
));
189 /* Create GSI link device */
190 for (i
= 0; i
< PCI_NUM_PINS
; i
++) {
191 uint32_t irqs
= irq
+ i
;
192 Aml
*dev_gsi
= aml_device("GSI%d", i
);
193 aml_append(dev_gsi
, aml_name_decl("_HID", aml_string("PNP0C0F")));
194 aml_append(dev_gsi
, aml_name_decl("_UID", aml_int(i
)));
195 crs
= aml_resource_template();
197 aml_interrupt(AML_CONSUMER
, AML_LEVEL
, AML_ACTIVE_HIGH
,
198 AML_EXCLUSIVE
, &irqs
, 1));
199 aml_append(dev_gsi
, aml_name_decl("_PRS", crs
));
200 crs
= aml_resource_template();
202 aml_interrupt(AML_CONSUMER
, AML_LEVEL
, AML_ACTIVE_HIGH
,
203 AML_EXCLUSIVE
, &irqs
, 1));
204 aml_append(dev_gsi
, aml_name_decl("_CRS", crs
));
205 method
= aml_method("_SRS", 1, AML_NOTSERIALIZED
);
206 aml_append(dev_gsi
, method
);
207 aml_append(dev
, dev_gsi
);
210 method
= aml_method("_CBA", 0, AML_NOTSERIALIZED
);
211 aml_append(method
, aml_return(aml_int(base_ecam
)));
212 aml_append(dev
, method
);
214 method
= aml_method("_CRS", 0, AML_NOTSERIALIZED
);
215 Aml
*rbuf
= aml_resource_template();
217 aml_word_bus_number(AML_MIN_FIXED
, AML_MAX_FIXED
, AML_POS_DECODE
,
218 0x0000, 0x0000, nr_pcie_buses
- 1, 0x0000,
221 aml_dword_memory(AML_POS_DECODE
, AML_MIN_FIXED
, AML_MAX_FIXED
,
222 AML_NON_CACHEABLE
, AML_READ_WRITE
, 0x0000, base_mmio
,
223 base_mmio
+ size_mmio
- 1, 0x0000, size_mmio
));
225 aml_dword_io(AML_MIN_FIXED
, AML_MAX_FIXED
, AML_POS_DECODE
,
226 AML_ENTIRE_RANGE
, 0x0000, 0x0000, size_pio
- 1, base_pio
,
230 hwaddr base_mmio_high
= memmap
[VIRT_HIGH_PCIE_MMIO
].base
;
231 hwaddr size_mmio_high
= memmap
[VIRT_HIGH_PCIE_MMIO
].size
;
234 aml_qword_memory(AML_POS_DECODE
, AML_MIN_FIXED
, AML_MAX_FIXED
,
235 AML_NON_CACHEABLE
, AML_READ_WRITE
, 0x0000,
237 base_mmio_high
+ size_mmio_high
- 1, 0x0000,
241 aml_append(method
, aml_return(rbuf
));
242 aml_append(dev
, method
);
244 /* Declare an _OSC (OS Control Handoff) method */
245 aml_append(dev
, aml_name_decl("SUPP", aml_int(0)));
246 aml_append(dev
, aml_name_decl("CTRL", aml_int(0)));
247 method
= aml_method("_OSC", 4, AML_NOTSERIALIZED
);
249 aml_create_dword_field(aml_arg(3), aml_int(0), "CDW1"));
251 /* PCI Firmware Specification 3.0
252 * 4.5.1. _OSC Interface for PCI Host Bridge Devices
253 * The _OSC interface for a PCI/PCI-X/PCI Express hierarchy is
254 * identified by the Universal Unique IDentifier (UUID)
255 * 33DB4D5B-1FF7-401C-9657-7441C03DD766
257 UUID
= aml_touuid("33DB4D5B-1FF7-401C-9657-7441C03DD766");
258 ifctx
= aml_if(aml_equal(aml_arg(0), UUID
));
260 aml_create_dword_field(aml_arg(3), aml_int(4), "CDW2"));
262 aml_create_dword_field(aml_arg(3), aml_int(8), "CDW3"));
263 aml_append(ifctx
, aml_store(aml_name("CDW2"), aml_name("SUPP")));
264 aml_append(ifctx
, aml_store(aml_name("CDW3"), aml_name("CTRL")));
267 * Allow OS control for all 5 features:
268 * PCIeHotplug SHPCHotplug PME AER PCIeCapability.
270 aml_append(ifctx
, aml_and(aml_name("CTRL"), aml_int(0x1F),
273 ifctx1
= aml_if(aml_lnot(aml_equal(aml_arg(1), aml_int(0x1))));
274 aml_append(ifctx1
, aml_or(aml_name("CDW1"), aml_int(0x08),
276 aml_append(ifctx
, ifctx1
);
278 ifctx1
= aml_if(aml_lnot(aml_equal(aml_name("CDW3"), aml_name("CTRL"))));
279 aml_append(ifctx1
, aml_or(aml_name("CDW1"), aml_int(0x10),
281 aml_append(ifctx
, ifctx1
);
283 aml_append(ifctx
, aml_store(aml_name("CTRL"), aml_name("CDW3")));
284 aml_append(ifctx
, aml_return(aml_arg(3)));
285 aml_append(method
, ifctx
);
287 elsectx
= aml_else();
288 aml_append(elsectx
, aml_or(aml_name("CDW1"), aml_int(4),
290 aml_append(elsectx
, aml_return(aml_arg(3)));
291 aml_append(method
, elsectx
);
292 aml_append(dev
, method
);
294 method
= aml_method("_DSM", 4, AML_NOTSERIALIZED
);
296 /* PCI Firmware Specification 3.0
297 * 4.6.1. _DSM for PCI Express Slot Information
298 * The UUID in _DSM in this context is
299 * {E5C937D0-3553-4D7A-9117-EA4D19C3434D}
301 UUID
= aml_touuid("E5C937D0-3553-4D7A-9117-EA4D19C3434D");
302 ifctx
= aml_if(aml_equal(aml_arg(0), UUID
));
303 ifctx1
= aml_if(aml_equal(aml_arg(2), aml_int(0)));
304 uint8_t byte_list
[1] = {1};
305 buf
= aml_buffer(1, byte_list
);
306 aml_append(ifctx1
, aml_return(buf
));
307 aml_append(ifctx
, ifctx1
);
308 aml_append(method
, ifctx
);
311 buf
= aml_buffer(1, byte_list
);
312 aml_append(method
, aml_return(buf
));
313 aml_append(dev
, method
);
315 Aml
*dev_res0
= aml_device("%s", "RES0");
316 aml_append(dev_res0
, aml_name_decl("_HID", aml_string("PNP0C02")));
317 crs
= aml_resource_template();
319 aml_qword_memory(AML_POS_DECODE
, AML_MIN_FIXED
, AML_MAX_FIXED
,
320 AML_NON_CACHEABLE
, AML_READ_WRITE
, 0x0000, base_ecam
,
321 base_ecam
+ size_ecam
- 1, 0x0000, size_ecam
));
322 aml_append(dev_res0
, aml_name_decl("_CRS", crs
));
323 aml_append(dev
, dev_res0
);
324 aml_append(scope
, dev
);
327 static void acpi_dsdt_add_gpio(Aml
*scope
, const MemMapEntry
*gpio_memmap
,
330 Aml
*dev
= aml_device("GPO0");
331 aml_append(dev
, aml_name_decl("_HID", aml_string("ARMH0061")));
332 aml_append(dev
, aml_name_decl("_UID", aml_int(0)));
334 Aml
*crs
= aml_resource_template();
335 aml_append(crs
, aml_memory32_fixed(gpio_memmap
->base
, gpio_memmap
->size
,
337 aml_append(crs
, aml_interrupt(AML_CONSUMER
, AML_LEVEL
, AML_ACTIVE_HIGH
,
338 AML_EXCLUSIVE
, &gpio_irq
, 1));
339 aml_append(dev
, aml_name_decl("_CRS", crs
));
341 Aml
*aei
= aml_resource_template();
342 /* Pin 3 for power button */
343 const uint32_t pin_list
[1] = {3};
344 aml_append(aei
, aml_gpio_int(AML_CONSUMER
, AML_EDGE
, AML_ACTIVE_HIGH
,
345 AML_EXCLUSIVE
, AML_PULL_UP
, 0, pin_list
, 1,
347 aml_append(dev
, aml_name_decl("_AEI", aei
));
349 /* _E03 is handle for power button */
350 Aml
*method
= aml_method("_E03", 0, AML_NOTSERIALIZED
);
351 aml_append(method
, aml_notify(aml_name(ACPI_POWER_BUTTON_DEVICE
),
353 aml_append(dev
, method
);
354 aml_append(scope
, dev
);
357 static void acpi_dsdt_add_power_button(Aml
*scope
)
359 Aml
*dev
= aml_device(ACPI_POWER_BUTTON_DEVICE
);
360 aml_append(dev
, aml_name_decl("_HID", aml_string("PNP0C0C")));
361 aml_append(dev
, aml_name_decl("_UID", aml_int(0)));
362 aml_append(scope
, dev
);
366 build_iort(GArray
*table_data
, BIOSLinker
*linker
, VirtMachineState
*vms
)
368 int nb_nodes
, iort_start
= table_data
->len
;
369 AcpiIortIdMapping
*idmap
;
370 AcpiIortItsGroup
*its
;
373 size_t node_size
, iort_node_offset
, iort_length
, smmu_offset
= 0;
376 iort
= acpi_data_push(table_data
, sizeof(*iort
));
378 if (vms
->iommu
== VIRT_IOMMU_SMMUV3
) {
379 nb_nodes
= 3; /* RC, ITS, SMMUv3 */
381 nb_nodes
= 2; /* RC, ITS */
384 iort_length
= sizeof(*iort
);
385 iort
->node_count
= cpu_to_le32(nb_nodes
);
387 * Use a copy in case table_data->data moves during acpi_data_push
390 iort_node_offset
= sizeof(*iort
);
391 iort
->node_offset
= cpu_to_le32(iort_node_offset
);
394 node_size
= sizeof(*its
) + sizeof(uint32_t);
395 iort_length
+= node_size
;
396 its
= acpi_data_push(table_data
, node_size
);
398 its
->type
= ACPI_IORT_NODE_ITS_GROUP
;
399 its
->length
= cpu_to_le16(node_size
);
400 its
->its_count
= cpu_to_le32(1);
401 its
->identifiers
[0] = 0; /* MADT translation_id */
403 if (vms
->iommu
== VIRT_IOMMU_SMMUV3
) {
404 int irq
= vms
->irqmap
[VIRT_SMMU
] + ARM_SPI_BASE
;
407 smmu_offset
= iort_node_offset
+ node_size
;
408 node_size
= sizeof(*smmu
) + sizeof(*idmap
);
409 iort_length
+= node_size
;
410 smmu
= acpi_data_push(table_data
, node_size
);
412 smmu
->type
= ACPI_IORT_NODE_SMMU_V3
;
413 smmu
->length
= cpu_to_le16(node_size
);
414 smmu
->mapping_count
= cpu_to_le32(1);
415 smmu
->mapping_offset
= cpu_to_le32(sizeof(*smmu
));
416 smmu
->base_address
= cpu_to_le64(vms
->memmap
[VIRT_SMMU
].base
);
417 smmu
->flags
= cpu_to_le32(ACPI_IORT_SMMU_V3_COHACC_OVERRIDE
);
418 smmu
->event_gsiv
= cpu_to_le32(irq
);
419 smmu
->pri_gsiv
= cpu_to_le32(irq
+ 1);
420 smmu
->gerr_gsiv
= cpu_to_le32(irq
+ 2);
421 smmu
->sync_gsiv
= cpu_to_le32(irq
+ 3);
423 /* Identity RID mapping covering the whole input RID range */
424 idmap
= &smmu
->id_mapping_array
[0];
425 idmap
->input_base
= 0;
426 idmap
->id_count
= cpu_to_le32(0xFFFF);
427 idmap
->output_base
= 0;
428 /* output IORT node is the ITS group node (the first node) */
429 idmap
->output_reference
= cpu_to_le32(iort_node_offset
);
432 /* Root Complex Node */
433 node_size
= sizeof(*rc
) + sizeof(*idmap
);
434 iort_length
+= node_size
;
435 rc
= acpi_data_push(table_data
, node_size
);
437 rc
->type
= ACPI_IORT_NODE_PCI_ROOT_COMPLEX
;
438 rc
->length
= cpu_to_le16(node_size
);
439 rc
->mapping_count
= cpu_to_le32(1);
440 rc
->mapping_offset
= cpu_to_le32(sizeof(*rc
));
442 /* fully coherent device */
443 rc
->memory_properties
.cache_coherency
= cpu_to_le32(1);
444 rc
->memory_properties
.memory_flags
= 0x3; /* CCA = CPM = DCAS = 1 */
445 rc
->pci_segment_number
= 0; /* MCFG pci_segment */
447 /* Identity RID mapping covering the whole input RID range */
448 idmap
= &rc
->id_mapping_array
[0];
449 idmap
->input_base
= 0;
450 idmap
->id_count
= cpu_to_le32(0xFFFF);
451 idmap
->output_base
= 0;
453 if (vms
->iommu
== VIRT_IOMMU_SMMUV3
) {
454 /* output IORT node is the smmuv3 node */
455 idmap
->output_reference
= cpu_to_le32(smmu_offset
);
457 /* output IORT node is the ITS group node (the first node) */
458 idmap
->output_reference
= cpu_to_le32(iort_node_offset
);
462 * Update the pointer address in case table_data->data moves during above
463 * acpi_data_push operations.
465 iort
= (AcpiIortTable
*)(table_data
->data
+ iort_start
);
466 iort
->length
= cpu_to_le32(iort_length
);
468 build_header(linker
, table_data
, (void *)(table_data
->data
+ iort_start
),
469 "IORT", table_data
->len
- iort_start
, 0, NULL
, NULL
);
473 build_spcr(GArray
*table_data
, BIOSLinker
*linker
, VirtMachineState
*vms
)
475 AcpiSerialPortConsoleRedirection
*spcr
;
476 const MemMapEntry
*uart_memmap
= &vms
->memmap
[VIRT_UART
];
477 int irq
= vms
->irqmap
[VIRT_UART
] + ARM_SPI_BASE
;
478 int spcr_start
= table_data
->len
;
480 spcr
= acpi_data_push(table_data
, sizeof(*spcr
));
482 spcr
->interface_type
= 0x3; /* ARM PL011 UART */
484 spcr
->base_address
.space_id
= AML_SYSTEM_MEMORY
;
485 spcr
->base_address
.bit_width
= 8;
486 spcr
->base_address
.bit_offset
= 0;
487 spcr
->base_address
.access_width
= 1;
488 spcr
->base_address
.address
= cpu_to_le64(uart_memmap
->base
);
490 spcr
->interrupt_types
= (1 << 3); /* Bit[3] ARMH GIC interrupt */
491 spcr
->gsi
= cpu_to_le32(irq
); /* Global System Interrupt */
493 spcr
->baud
= 3; /* Baud Rate: 3 = 9600 */
494 spcr
->parity
= 0; /* No Parity */
495 spcr
->stopbits
= 1; /* 1 Stop bit */
496 spcr
->flowctrl
= (1 << 1); /* Bit[1] = RTS/CTS hardware flow control */
497 spcr
->term_type
= 0; /* Terminal Type: 0 = VT100 */
499 spcr
->pci_device_id
= 0xffff; /* PCI Device ID: not a PCI device */
500 spcr
->pci_vendor_id
= 0xffff; /* PCI Vendor ID: not a PCI device */
502 build_header(linker
, table_data
, (void *)(table_data
->data
+ spcr_start
),
503 "SPCR", table_data
->len
- spcr_start
, 2, NULL
, NULL
);
507 build_srat(GArray
*table_data
, BIOSLinker
*linker
, VirtMachineState
*vms
)
509 AcpiSystemResourceAffinityTable
*srat
;
510 AcpiSratProcessorGiccAffinity
*core
;
511 AcpiSratMemoryAffinity
*numamem
;
514 MachineClass
*mc
= MACHINE_GET_CLASS(vms
);
515 MachineState
*ms
= MACHINE(vms
);
516 const CPUArchIdList
*cpu_list
= mc
->possible_cpu_arch_ids(ms
);
518 srat_start
= table_data
->len
;
519 srat
= acpi_data_push(table_data
, sizeof(*srat
));
520 srat
->reserved1
= cpu_to_le32(1);
522 for (i
= 0; i
< cpu_list
->len
; ++i
) {
523 core
= acpi_data_push(table_data
, sizeof(*core
));
524 core
->type
= ACPI_SRAT_PROCESSOR_GICC
;
525 core
->length
= sizeof(*core
);
526 core
->proximity
= cpu_to_le32(cpu_list
->cpus
[i
].props
.node_id
);
527 core
->acpi_processor_uid
= cpu_to_le32(i
);
528 core
->flags
= cpu_to_le32(1);
531 mem_base
= vms
->memmap
[VIRT_MEM
].base
;
532 for (i
= 0; i
< ms
->numa_state
->num_nodes
; ++i
) {
533 if (ms
->numa_state
->nodes
[i
].node_mem
> 0) {
534 numamem
= acpi_data_push(table_data
, sizeof(*numamem
));
535 build_srat_memory(numamem
, mem_base
,
536 ms
->numa_state
->nodes
[i
].node_mem
, i
,
537 MEM_AFFINITY_ENABLED
);
538 mem_base
+= ms
->numa_state
->nodes
[i
].node_mem
;
542 if (ms
->nvdimms_state
->is_enabled
) {
543 nvdimm_build_srat(table_data
);
546 if (ms
->device_memory
) {
547 numamem
= acpi_data_push(table_data
, sizeof *numamem
);
548 build_srat_memory(numamem
, ms
->device_memory
->base
,
549 memory_region_size(&ms
->device_memory
->mr
),
550 ms
->numa_state
->num_nodes
- 1,
551 MEM_AFFINITY_HOTPLUGGABLE
| MEM_AFFINITY_ENABLED
);
554 build_header(linker
, table_data
, (void *)(table_data
->data
+ srat_start
),
555 "SRAT", table_data
->len
- srat_start
, 3, NULL
, NULL
);
560 build_gtdt(GArray
*table_data
, BIOSLinker
*linker
, VirtMachineState
*vms
)
562 VirtMachineClass
*vmc
= VIRT_MACHINE_GET_CLASS(vms
);
563 int gtdt_start
= table_data
->len
;
564 AcpiGenericTimerTable
*gtdt
;
567 if (vmc
->claim_edge_triggered_timers
) {
568 irqflags
= ACPI_GTDT_INTERRUPT_MODE_EDGE
;
570 irqflags
= ACPI_GTDT_INTERRUPT_MODE_LEVEL
;
573 gtdt
= acpi_data_push(table_data
, sizeof *gtdt
);
574 /* The interrupt values are the same with the device tree when adding 16 */
575 gtdt
->secure_el1_interrupt
= cpu_to_le32(ARCH_TIMER_S_EL1_IRQ
+ 16);
576 gtdt
->secure_el1_flags
= cpu_to_le32(irqflags
);
578 gtdt
->non_secure_el1_interrupt
= cpu_to_le32(ARCH_TIMER_NS_EL1_IRQ
+ 16);
579 gtdt
->non_secure_el1_flags
= cpu_to_le32(irqflags
|
580 ACPI_GTDT_CAP_ALWAYS_ON
);
582 gtdt
->virtual_timer_interrupt
= cpu_to_le32(ARCH_TIMER_VIRT_IRQ
+ 16);
583 gtdt
->virtual_timer_flags
= cpu_to_le32(irqflags
);
585 gtdt
->non_secure_el2_interrupt
= cpu_to_le32(ARCH_TIMER_NS_EL2_IRQ
+ 16);
586 gtdt
->non_secure_el2_flags
= cpu_to_le32(irqflags
);
588 build_header(linker
, table_data
,
589 (void *)(table_data
->data
+ gtdt_start
), "GTDT",
590 table_data
->len
- gtdt_start
, 2, NULL
, NULL
);
595 build_madt(GArray
*table_data
, BIOSLinker
*linker
, VirtMachineState
*vms
)
597 VirtMachineClass
*vmc
= VIRT_MACHINE_GET_CLASS(vms
);
598 int madt_start
= table_data
->len
;
599 const MemMapEntry
*memmap
= vms
->memmap
;
600 const int *irqmap
= vms
->irqmap
;
601 AcpiMultipleApicTable
*madt
;
602 AcpiMadtGenericDistributor
*gicd
;
603 AcpiMadtGenericMsiFrame
*gic_msi
;
606 madt
= acpi_data_push(table_data
, sizeof *madt
);
608 gicd
= acpi_data_push(table_data
, sizeof *gicd
);
609 gicd
->type
= ACPI_APIC_GENERIC_DISTRIBUTOR
;
610 gicd
->length
= sizeof(*gicd
);
611 gicd
->base_address
= cpu_to_le64(memmap
[VIRT_GIC_DIST
].base
);
612 gicd
->version
= vms
->gic_version
;
614 for (i
= 0; i
< vms
->smp_cpus
; i
++) {
615 AcpiMadtGenericCpuInterface
*gicc
= acpi_data_push(table_data
,
617 ARMCPU
*armcpu
= ARM_CPU(qemu_get_cpu(i
));
619 gicc
->type
= ACPI_APIC_GENERIC_CPU_INTERFACE
;
620 gicc
->length
= sizeof(*gicc
);
621 if (vms
->gic_version
== 2) {
622 gicc
->base_address
= cpu_to_le64(memmap
[VIRT_GIC_CPU
].base
);
623 gicc
->gich_base_address
= cpu_to_le64(memmap
[VIRT_GIC_HYP
].base
);
624 gicc
->gicv_base_address
= cpu_to_le64(memmap
[VIRT_GIC_VCPU
].base
);
626 gicc
->cpu_interface_number
= cpu_to_le32(i
);
627 gicc
->arm_mpidr
= cpu_to_le64(armcpu
->mp_affinity
);
628 gicc
->uid
= cpu_to_le32(i
);
629 gicc
->flags
= cpu_to_le32(ACPI_MADT_GICC_ENABLED
);
631 if (arm_feature(&armcpu
->env
, ARM_FEATURE_PMU
)) {
632 gicc
->performance_interrupt
= cpu_to_le32(PPI(VIRTUAL_PMU_IRQ
));
635 gicc
->vgic_interrupt
= cpu_to_le32(PPI(ARCH_GIC_MAINT_IRQ
));
639 if (vms
->gic_version
== 3) {
640 AcpiMadtGenericTranslator
*gic_its
;
641 int nb_redist_regions
= virt_gicv3_redist_region_count(vms
);
642 AcpiMadtGenericRedistributor
*gicr
= acpi_data_push(table_data
,
645 gicr
->type
= ACPI_APIC_GENERIC_REDISTRIBUTOR
;
646 gicr
->length
= sizeof(*gicr
);
647 gicr
->base_address
= cpu_to_le64(memmap
[VIRT_GIC_REDIST
].base
);
648 gicr
->range_length
= cpu_to_le32(memmap
[VIRT_GIC_REDIST
].size
);
650 if (nb_redist_regions
== 2) {
651 gicr
= acpi_data_push(table_data
, sizeof(*gicr
));
652 gicr
->type
= ACPI_APIC_GENERIC_REDISTRIBUTOR
;
653 gicr
->length
= sizeof(*gicr
);
655 cpu_to_le64(memmap
[VIRT_HIGH_GIC_REDIST2
].base
);
657 cpu_to_le32(memmap
[VIRT_HIGH_GIC_REDIST2
].size
);
660 if (its_class_name() && !vmc
->no_its
) {
661 gic_its
= acpi_data_push(table_data
, sizeof *gic_its
);
662 gic_its
->type
= ACPI_APIC_GENERIC_TRANSLATOR
;
663 gic_its
->length
= sizeof(*gic_its
);
664 gic_its
->translation_id
= 0;
665 gic_its
->base_address
= cpu_to_le64(memmap
[VIRT_GIC_ITS
].base
);
668 gic_msi
= acpi_data_push(table_data
, sizeof *gic_msi
);
669 gic_msi
->type
= ACPI_APIC_GENERIC_MSI_FRAME
;
670 gic_msi
->length
= sizeof(*gic_msi
);
671 gic_msi
->gic_msi_frame_id
= 0;
672 gic_msi
->base_address
= cpu_to_le64(memmap
[VIRT_GIC_V2M
].base
);
673 gic_msi
->flags
= cpu_to_le32(1);
674 gic_msi
->spi_count
= cpu_to_le16(NUM_GICV2M_SPIS
);
675 gic_msi
->spi_base
= cpu_to_le16(irqmap
[VIRT_GIC_V2M
] + ARM_SPI_BASE
);
678 build_header(linker
, table_data
,
679 (void *)(table_data
->data
+ madt_start
), "APIC",
680 table_data
->len
- madt_start
, 3, NULL
, NULL
);
684 static void build_fadt_rev5(GArray
*table_data
, BIOSLinker
*linker
,
685 VirtMachineState
*vms
, unsigned dsdt_tbl_offset
)
688 AcpiFadtData fadt
= {
691 .flags
= 1 << ACPI_FADT_F_HW_REDUCED_ACPI
,
692 .xdsdt_tbl_offset
= &dsdt_tbl_offset
,
695 switch (vms
->psci_conduit
) {
696 case QEMU_PSCI_CONDUIT_DISABLED
:
697 fadt
.arm_boot_arch
= 0;
699 case QEMU_PSCI_CONDUIT_HVC
:
700 fadt
.arm_boot_arch
= ACPI_FADT_ARM_PSCI_COMPLIANT
|
701 ACPI_FADT_ARM_PSCI_USE_HVC
;
703 case QEMU_PSCI_CONDUIT_SMC
:
704 fadt
.arm_boot_arch
= ACPI_FADT_ARM_PSCI_COMPLIANT
;
707 g_assert_not_reached();
710 build_fadt(table_data
, linker
, &fadt
, NULL
, NULL
);
715 build_dsdt(GArray
*table_data
, BIOSLinker
*linker
, VirtMachineState
*vms
)
718 MachineState
*ms
= MACHINE(vms
);
719 const MemMapEntry
*memmap
= vms
->memmap
;
720 const int *irqmap
= vms
->irqmap
;
722 dsdt
= init_aml_allocator();
723 /* Reserve space for header */
724 acpi_data_push(dsdt
->buf
, sizeof(AcpiTableHeader
));
726 /* When booting the VM with UEFI, UEFI takes ownership of the RTC hardware.
727 * While UEFI can use libfdt to disable the RTC device node in the DTB that
728 * it passes to the OS, it cannot modify AML. Therefore, we won't generate
729 * the RTC ACPI device at all when using UEFI.
731 scope
= aml_scope("\\_SB");
732 acpi_dsdt_add_cpus(scope
, vms
->smp_cpus
);
733 acpi_dsdt_add_uart(scope
, &memmap
[VIRT_UART
],
734 (irqmap
[VIRT_UART
] + ARM_SPI_BASE
));
735 acpi_dsdt_add_flash(scope
, &memmap
[VIRT_FLASH
]);
736 acpi_dsdt_add_fw_cfg(scope
, &memmap
[VIRT_FW_CFG
]);
737 acpi_dsdt_add_virtio(scope
, &memmap
[VIRT_MMIO
],
738 (irqmap
[VIRT_MMIO
] + ARM_SPI_BASE
), NUM_VIRTIO_TRANSPORTS
);
739 acpi_dsdt_add_pci(scope
, memmap
, (irqmap
[VIRT_PCIE
] + ARM_SPI_BASE
),
740 vms
->highmem
, vms
->highmem_ecam
);
742 build_ged_aml(scope
, "\\_SB."GED_DEVICE
,
743 HOTPLUG_HANDLER(vms
->acpi_dev
),
744 irqmap
[VIRT_ACPI_GED
] + ARM_SPI_BASE
, AML_SYSTEM_MEMORY
,
745 memmap
[VIRT_ACPI_GED
].base
);
747 acpi_dsdt_add_gpio(scope
, &memmap
[VIRT_GPIO
],
748 (irqmap
[VIRT_GPIO
] + ARM_SPI_BASE
));
752 uint32_t event
= object_property_get_uint(OBJECT(vms
->acpi_dev
),
753 "ged-event", &error_abort
);
755 if (event
& ACPI_GED_MEM_HOTPLUG_EVT
) {
756 build_memory_hotplug_aml(scope
, ms
->ram_slots
, "\\_SB", NULL
,
758 memmap
[VIRT_PCDIMM_ACPI
].base
);
762 acpi_dsdt_add_power_button(scope
);
764 aml_append(dsdt
, scope
);
766 /* copy AML table into ACPI tables blob and patch header there */
767 g_array_append_vals(table_data
, dsdt
->buf
->data
, dsdt
->buf
->len
);
768 build_header(linker
, table_data
,
769 (void *)(table_data
->data
+ table_data
->len
- dsdt
->buf
->len
),
770 "DSDT", dsdt
->buf
->len
, 2, NULL
, NULL
);
771 free_aml_allocator();
775 struct AcpiBuildState
{
776 /* Copy of table in RAM (for patching). */
777 MemoryRegion
*table_mr
;
778 MemoryRegion
*rsdp_mr
;
779 MemoryRegion
*linker_mr
;
780 /* Is table patched? */
785 void virt_acpi_build(VirtMachineState
*vms
, AcpiBuildTables
*tables
)
787 VirtMachineClass
*vmc
= VIRT_MACHINE_GET_CLASS(vms
);
788 GArray
*table_offsets
;
790 GArray
*tables_blob
= tables
->table_data
;
791 MachineState
*ms
= MACHINE(vms
);
793 table_offsets
= g_array_new(false, true /* clear */,
796 bios_linker_loader_alloc(tables
->linker
,
797 ACPI_BUILD_TABLE_FILE
, tables_blob
,
798 64, false /* high memory */);
800 /* DSDT is pointed to by FADT */
801 dsdt
= tables_blob
->len
;
802 build_dsdt(tables_blob
, tables
->linker
, vms
);
804 /* FADT MADT GTDT MCFG SPCR pointed to by RSDT */
805 acpi_add_table(table_offsets
, tables_blob
);
806 build_fadt_rev5(tables_blob
, tables
->linker
, vms
, dsdt
);
808 acpi_add_table(table_offsets
, tables_blob
);
809 build_madt(tables_blob
, tables
->linker
, vms
);
811 acpi_add_table(table_offsets
, tables_blob
);
812 build_gtdt(tables_blob
, tables
->linker
, vms
);
814 acpi_add_table(table_offsets
, tables_blob
);
816 AcpiMcfgInfo mcfg
= {
817 .base
= vms
->memmap
[VIRT_ECAM_ID(vms
->highmem_ecam
)].base
,
818 .size
= vms
->memmap
[VIRT_ECAM_ID(vms
->highmem_ecam
)].size
,
820 build_mcfg(tables_blob
, tables
->linker
, &mcfg
);
823 acpi_add_table(table_offsets
, tables_blob
);
824 build_spcr(tables_blob
, tables
->linker
, vms
);
827 build_ghes_error_table(tables
->hardware_errors
, tables
->linker
);
828 acpi_add_table(table_offsets
, tables_blob
);
829 acpi_build_hest(tables_blob
, tables
->linker
);
832 if (ms
->numa_state
->num_nodes
> 0) {
833 acpi_add_table(table_offsets
, tables_blob
);
834 build_srat(tables_blob
, tables
->linker
, vms
);
835 if (ms
->numa_state
->have_numa_distance
) {
836 acpi_add_table(table_offsets
, tables_blob
);
837 build_slit(tables_blob
, tables
->linker
, ms
);
841 if (ms
->nvdimms_state
->is_enabled
) {
842 nvdimm_build_acpi(table_offsets
, tables_blob
, tables
->linker
,
843 ms
->nvdimms_state
, ms
->ram_slots
);
846 if (its_class_name() && !vmc
->no_its
) {
847 acpi_add_table(table_offsets
, tables_blob
);
848 build_iort(tables_blob
, tables
->linker
, vms
);
851 /* XSDT is pointed to by RSDP */
852 xsdt
= tables_blob
->len
;
853 build_xsdt(tables_blob
, tables
->linker
, table_offsets
, NULL
, NULL
);
855 /* RSDP is in FSEG memory, so allocate it separately */
857 AcpiRsdpData rsdp_data
= {
859 .oem_id
= ACPI_BUILD_APPNAME6
,
860 .xsdt_tbl_offset
= &xsdt
,
861 .rsdt_tbl_offset
= NULL
,
863 build_rsdp(tables
->rsdp
, tables
->linker
, &rsdp_data
);
866 /* Cleanup memory that's no longer used. */
867 g_array_free(table_offsets
, true);
870 static void acpi_ram_update(MemoryRegion
*mr
, GArray
*data
)
872 uint32_t size
= acpi_data_len(data
);
874 /* Make sure RAM size is correct - in case it got changed
875 * e.g. by migration */
876 memory_region_ram_resize(mr
, size
, &error_abort
);
878 memcpy(memory_region_get_ram_ptr(mr
), data
->data
, size
);
879 memory_region_set_dirty(mr
, 0, size
);
882 static void virt_acpi_build_update(void *build_opaque
)
884 AcpiBuildState
*build_state
= build_opaque
;
885 AcpiBuildTables tables
;
887 /* No state to update or already patched? Nothing to do. */
888 if (!build_state
|| build_state
->patched
) {
891 build_state
->patched
= true;
893 acpi_build_tables_init(&tables
);
895 virt_acpi_build(VIRT_MACHINE(qdev_get_machine()), &tables
);
897 acpi_ram_update(build_state
->table_mr
, tables
.table_data
);
898 acpi_ram_update(build_state
->rsdp_mr
, tables
.rsdp
);
899 acpi_ram_update(build_state
->linker_mr
, tables
.linker
->cmd_blob
);
901 acpi_build_tables_cleanup(&tables
, true);
904 static void virt_acpi_build_reset(void *build_opaque
)
906 AcpiBuildState
*build_state
= build_opaque
;
907 build_state
->patched
= false;
910 static const VMStateDescription vmstate_virt_acpi_build
= {
911 .name
= "virt_acpi_build",
913 .minimum_version_id
= 1,
914 .fields
= (VMStateField
[]) {
915 VMSTATE_BOOL(patched
, AcpiBuildState
),
916 VMSTATE_END_OF_LIST()
920 void virt_acpi_setup(VirtMachineState
*vms
)
922 AcpiBuildTables tables
;
923 AcpiBuildState
*build_state
;
924 AcpiGedState
*acpi_ged_state
;
927 trace_virt_acpi_setup();
931 if (!virt_is_acpi_enabled(vms
)) {
932 trace_virt_acpi_setup();
936 build_state
= g_malloc0(sizeof *build_state
);
938 acpi_build_tables_init(&tables
);
939 virt_acpi_build(vms
, &tables
);
941 /* Now expose it all to Guest */
942 build_state
->table_mr
= acpi_add_rom_blob(virt_acpi_build_update
,
943 build_state
, tables
.table_data
,
944 ACPI_BUILD_TABLE_FILE
,
945 ACPI_BUILD_TABLE_MAX_SIZE
);
946 assert(build_state
->table_mr
!= NULL
);
948 build_state
->linker_mr
=
949 acpi_add_rom_blob(virt_acpi_build_update
, build_state
,
950 tables
.linker
->cmd_blob
, ACPI_BUILD_LOADER_FILE
, 0);
952 fw_cfg_add_file(vms
->fw_cfg
, ACPI_BUILD_TPMLOG_FILE
, tables
.tcpalog
->data
,
953 acpi_data_len(tables
.tcpalog
));
956 assert(vms
->acpi_dev
);
957 acpi_ged_state
= ACPI_GED(vms
->acpi_dev
);
958 acpi_ghes_add_fw_cfg(&acpi_ged_state
->ghes_state
,
959 vms
->fw_cfg
, tables
.hardware_errors
);
962 build_state
->rsdp_mr
= acpi_add_rom_blob(virt_acpi_build_update
,
963 build_state
, tables
.rsdp
,
964 ACPI_BUILD_RSDP_FILE
, 0);
966 qemu_register_reset(virt_acpi_build_reset
, build_state
);
967 virt_acpi_build_reset(build_state
);
968 vmstate_register(NULL
, 0, &vmstate_virt_acpi_build
, build_state
);
970 /* Cleanup tables but don't free the memory: we track it
973 acpi_build_tables_cleanup(&tables
, false);