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pc: acpi-build: reserve PCIHP MMIO resources

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Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2015-02-18 19:14:50 +00:00 committed by Michael S. Tsirkin
parent 78c2d8722b
commit 500b11ea50
1 changed files with 27 additions and 0 deletions
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27
hw/i386/acpi-build.c
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@ -105,6 +105,8 @@ typedef struct AcpiPmInfo {
uint16_t cpu_hp_io_len;
uint16_t mem_hp_io_base;
uint16_t mem_hp_io_len;
uint16_t pcihp_io_base;
uint16_t pcihp_io_len;
} AcpiPmInfo;
typedef struct AcpiMiscInfo {
@ -178,9 +180,15 @@ static void acpi_get_pm_info(AcpiPmInfo *pm)
Object *obj = NULL;
QObject *o;
pm->pcihp_io_base = 0;
pm->pcihp_io_len = 0;
if (piix) {
obj = piix;
pm->cpu_hp_io_base = PIIX4_CPU_HOTPLUG_IO_BASE;
pm->pcihp_io_base =
object_property_get_int(obj, ACPI_PCIHP_IO_BASE_PROP, NULL);
pm->pcihp_io_len =
object_property_get_int(obj, ACPI_PCIHP_IO_LEN_PROP, NULL);
}
if (lpc) {
obj = lpc;
@ -892,6 +900,25 @@ build_ssdt(GArray *table_data, GArray *linker,
patch_pci_windows(pci, ssdt_ptr, sizeof(ssdp_misc_aml));
scope = aml_scope("\\_SB.PCI0");
/* reserve PCIHP resources */
if (pm->pcihp_io_len) {
dev = aml_device("PHPR");
aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A06")));
aml_append(dev,
aml_name_decl("_UID", aml_string("PCI Hotplug resources")));
/* device present, functioning, decoding, not shown in UI */
aml_append(dev, aml_name_decl("_STA", aml_int(0xB)));
crs = aml_resource_template();
aml_append(crs,
aml_io(aml_decode16, pm->pcihp_io_base, pm->pcihp_io_base, 1,
pm->pcihp_io_len)
);
aml_append(dev, aml_name_decl("_CRS", crs));
aml_append(scope, dev);
}
aml_append(ssdt, scope);
/* create S3_ / S4_ / S5_ packages if necessary */
scope = aml_scope("\\");
if (!pm->s3_disabled) {