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acpi: pci: support acpi-index for non-hotpluggable devices

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Inject static _DSM (EDSM) if non-hotpluggable device has
acpi-index configured on it.
It lets use acpi-index non-hotpluggable devices / devices
attached to non-hotpluggable bus.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20230302161543.286002-22-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 2023-03-02 17:15:30 +01:00 committed by Michael S. Tsirkin
parent 22c8dd000f
commit 7fb1d7388b
1 changed files with 25 additions and 0 deletions
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25
hw/i386/acpi-build.c
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@ -452,6 +452,25 @@ static Aml *aml_pci_edsm(void)
return method;
}
static Aml *aml_pci_static_endpoint_dsm(PCIDevice *pdev)
{
Aml *method;
g_assert(pdev->acpi_index != 0);
method = aml_method("_DSM", 4, AML_SERIALIZED);
{
Aml *params = aml_local(0);
Aml *pkg = aml_package(1);
aml_append(pkg, aml_int(pdev->acpi_index));
aml_append(method, aml_store(pkg, params));
aml_append(method,
aml_return(aml_call5("EDSM", aml_arg(0), aml_arg(1),
aml_arg(2), aml_arg(3), params))
);
}
return method;
}
static void build_append_pcihp_notify_entry(Aml *method, int slot)
{
Aml *if_ctx;
@ -577,6 +596,12 @@ void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus)
aml_append(dev, aml_name_decl("_ADR", aml_int(adr)));
call_dev_aml_func(DEVICE(bus->devices[devfn]), dev);
/* add _DSM if device has acpi-index set */
if (pdev->acpi_index && !bsel &&
!object_property_get_bool(OBJECT(pdev), "hotpluggable",
&error_abort)) {
aml_append(dev, aml_pci_static_endpoint_dsm(pdev));
}
/* device descriptor has been composed, add it into parent context */
aml_append(parent_scope, dev);