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hw/i386: query only for q35/pc when looking for pci host bridge

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Because of the PXB hosts we cannot simply query TYPE_PCI_HOST_BRIDGE anymore.
On i386 arch we only have two pci hosts, so we can look only for them.

Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
This commit is contained in:
Marcel Apfelbaum 2015-06-02 14:22:59 +03:00 committed by Michael S. Tsirkin
parent 602141d997
commit ca6c18556c
1 changed files with 25 additions and 9 deletions
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34
hw/i386/acpi-build.c
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@ -240,13 +240,32 @@ static void acpi_get_misc_info(AcpiMiscInfo *info)
info->applesmc_io_base = applesmc_port();
}
/*
* Because of the PXB hosts we cannot simply query TYPE_PCI_HOST_BRIDGE.
* On i386 arch we only have two pci hosts, so we can look only for them.
*/
static Object *acpi_get_i386_pci_host(void)
{
PCIHostState *host;
host = OBJECT_CHECK(PCIHostState,
object_resolve_path("/machine/i440fx", NULL),
TYPE_PCI_HOST_BRIDGE);
if (!host) {
host = OBJECT_CHECK(PCIHostState,
object_resolve_path("/machine/q35", NULL),
TYPE_PCI_HOST_BRIDGE);
}
return OBJECT(host);
}
static void acpi_get_pci_info(PcPciInfo *info)
{
Object *pci_host;
bool ambiguous;
pci_host = object_resolve_path_type("", TYPE_PCI_HOST_BRIDGE, &ambiguous);
g_assert(!ambiguous);
pci_host = acpi_get_i386_pci_host();
g_assert(pci_host);
info->w32.begin = object_property_get_int(pci_host,
@ -957,10 +976,9 @@ build_ssdt(GArray *table_data, GArray *linker,
{
Object *pci_host;
PCIBus *bus = NULL;
bool ambiguous;
pci_host = object_resolve_path_type("", TYPE_PCI_HOST_BRIDGE, &ambiguous);
if (!ambiguous && pci_host) {
pci_host = acpi_get_i386_pci_host();
if (pci_host) {
bus = PCI_HOST_BRIDGE(pci_host)->bus;
}
@ -1272,10 +1290,8 @@ static bool acpi_get_mcfg(AcpiMcfgInfo *mcfg)
{
Object *pci_host;
QObject *o;
bool ambiguous;
pci_host = object_resolve_path_type("", TYPE_PCI_HOST_BRIDGE, &ambiguous);
g_assert(!ambiguous);
pci_host = acpi_get_i386_pci_host();
g_assert(pci_host);
o = object_property_get_qobject(pci_host, PCIE_HOST_MCFG_BASE, NULL);