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authorIgor Mammedov <imammedo@redhat.com>2022-10-17 12:21:42 +0200
committerMichael S. Tsirkin <mst@redhat.com>2022-11-07 14:08:17 -0500
commit6d2146147b4e21017313de0f1fc7972ce6a7a7c6 (patch)
treeae4ceab4452cca30cc037cc9b4f68428fa838417 /hw/i386
parent5dbad0af10ff7d4f83db7f4ddd872d85332ebecc (diff)
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acpi: enumerate SMB bridge automatically along with other PCI devices
to make that happen (bridge sits at _ADR: 0x001F0003), relax PCI enumeration logic to include devices with *function* > 0 if device has something to say about itself (i.e. has build_dev_aml callback set). Signed-off-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <20221017102146.2254096-8-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/i386')
-rw-r--r--hw/i386/acpi-build.c27
1 files changed, 3 insertions, 24 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index e1483bb..916343d 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -448,9 +448,10 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus,
/*
* allow describing coldplugged bridges in ACPI even if they are not
* on function 0, as they are not unpluggable, for all other devices
- * generate description only for function 0 per slot
+ * generate description only for function 0 per slot, and for other
+ * functions if device on function provides its own AML
*/
- if (func && !bridge_in_acpi) {
+ if (func && !bridge_in_acpi && !get_dev_aml_func(DEVICE(pdev))) {
continue;
}
} else {
@@ -1319,25 +1320,6 @@ static Aml *build_q35_osc_method(bool enable_native_pcie_hotplug)
return method;
}
-static void build_smb0(Aml *table, int devnr, int func)
-{
- Aml *scope = aml_scope("_SB.PCI0");
- Aml *dev = aml_device("SMB0");
- bool ambiguous;
- Object *obj;
- /*
- * temporarily fish out device hosting SMBUS, build_smb0 will be gone once
- * PCI enumeration will be switched to call_dev_aml_func()
- */
- obj = object_resolve_path_type("", TYPE_ICH9_SMB_DEVICE, &ambiguous);
- assert(obj && !ambiguous);
-
- aml_append(dev, aml_name_decl("_ADR", aml_int(devnr << 16 | func)));
- call_dev_aml_func(DEVICE(obj), dev);
- aml_append(scope, dev);
- aml_append(table, scope);
-}
-
static void build_acpi0017(Aml *table)
{
Aml *dev, *scope, *method;
@@ -1440,9 +1422,6 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
build_x86_acpi_pci_hotplug(dsdt, pm->pcihp_io_base);
}
build_q35_pci0_int(dsdt);
- if (pcms->smbus) {
- build_smb0(dsdt, ICH9_SMB_DEV, ICH9_SMB_FUNC);
- }
}
if (misc->has_hpet) {