static void nvdimm_build_ssdt(GSList *device_list, GArray *table_offsets,
GArray *table_data, GArray *linker)
{
Aml *ssdt, *sb_scope, *dev;
acpi_add_table(table_offsets, table_data);
ssdt = init_aml_allocator();
acpi_data_push(ssdt->buf, sizeof(AcpiTableHeader));
sb_scope = aml_scope("\\_SB");
dev = aml_device("NVDR");
/*
* ACPI 6.0: 9.20 NVDIMM Devices:
*
* The ACPI Name Space device uses _HID of ACPI0012 to identify the root
* NVDIMM interface device. Platform firmware is required to contain one
* such device in _SB scope if NVDIMMs support is exposed by platform to
* OSPM.
* For each NVDIMM present or intended to be supported by platform,
* platform firmware also exposes an ACPI Namespace Device under the
* root device.
*/
aml_append(dev, aml_name_decl("_HID", aml_string("ACPI0012")));
nvdimm_build_common_dsm(dev);
nvdimm_build_device_dsm(dev);
nvdimm_build_nvdimm_devices(device_list, dev);
aml_append(sb_scope, dev);
aml_append(ssdt, sb_scope);
/* copy AML table into ACPI tables blob and patch header there */
g_array_append_vals(table_data, ssdt->buf->data, ssdt->buf->len);
build_header(linker, table_data,
(void *)(table_data->data + table_data->len - ssdt->buf->len),
"SSDT", ssdt->buf->len, 1, "NVDIMM");
free_aml_allocator();
}
/* DSDT */
static void
build_dsdt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
{
Aml *scope, *dsdt;
const MemMapEntry *memmap = guest_info->memmap;
const int *irqmap = guest_info->irqmap;
dsdt = init_aml_allocator();
/* Reserve space for header */
acpi_data_push(dsdt->buf, sizeof(AcpiTableHeader));
/* When booting the VM with UEFI, UEFI takes ownership of the RTC hardware.
* While UEFI can use libfdt to disable the RTC device node in the DTB that
* it passes to the OS, it cannot modify AML. Therefore, we won't generate
* the RTC ACPI device at all when using UEFI.
*/
scope = aml_scope("\\_SB");
acpi_dsdt_add_cpus(scope, guest_info->smp_cpus);
acpi_dsdt_add_uart(scope, &memmap[VIRT_UART],
(irqmap[VIRT_UART] + ARM_SPI_BASE));
acpi_dsdt_add_flash(scope, &memmap[VIRT_FLASH]);
acpi_dsdt_add_fw_cfg(scope, &memmap[VIRT_FW_CFG]);
acpi_dsdt_add_virtio(scope, &memmap[VIRT_MMIO],
(irqmap[VIRT_MMIO] + ARM_SPI_BASE), NUM_VIRTIO_TRANSPORTS);
acpi_dsdt_add_pci(scope, memmap, (irqmap[VIRT_PCIE] + ARM_SPI_BASE),
guest_info->use_highmem);
acpi_dsdt_add_gpio(scope, &memmap[VIRT_GPIO],
(irqmap[VIRT_GPIO] + ARM_SPI_BASE));
acpi_dsdt_add_power_button(scope);
aml_append(dsdt, scope);
/* copy AML table into ACPI tables blob and patch header there */
g_array_append_vals(table_data, dsdt->buf->data, dsdt->buf->len);
build_header(linker, table_data,
(void *)(table_data->data + table_data->len - dsdt->buf->len),
"DSDT", dsdt->buf->len, 2, NULL, NULL);
free_aml_allocator();
}
