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authorIgor Mammedov <imammedo@redhat.com>2023-03-02 17:15:40 +0100
committerMichael S. Tsirkin <mst@redhat.com>2023-03-07 12:39:00 -0500
commit62dd55fcf736994958eb5706cee5806480acfe25 (patch)
treec0453b62033c506d94c19dd2251d8055747b279e /hw/i386/acpi-build.c
parent419233b2b417eec65211b4a5160d94978546467b (diff)
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acpi: pci: move BSEL into build_append_pcihp_slots()
Generic PCI enumeration code doesn't really need access to BSEL value, it is only used as means to decide if hotplug enumerator should be called. Use stateless object_property_find() to do that, and move the rest of BSEL handling into build_append_pcihp_slots() where it belongs. This cleans up generic code a bit from hotplug stuff and follow up patch will remove remaining call to build_append_pcihp_slots() from generic code, making it possible to use without ACPI PCI hotplug dependencies. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <20230302161543.286002-32-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/acpi-build.c')
-rw-r--r--hw/i386/acpi-build.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index ce14866..0459acf 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -520,12 +520,14 @@ static bool is_devfn_ignored_hotplug(const int devfn, const PCIBus *bus)
return false;
}
-static void build_append_pcihp_slots(Aml *parent_scope, PCIBus *bus,
- QObject *bsel)
+static void build_append_pcihp_slots(Aml *parent_scope, PCIBus *bus)
{
int devfn;
Aml *dev, *notify_method = NULL, *method;
+ QObject *bsel = object_property_get_qobject(OBJECT(bus),
+ ACPI_PCIHP_PROP_BSEL, NULL);
uint64_t bsel_val = qnum_get_uint(qobject_to(QNum, bsel));
+ qobject_unref(bsel);
aml_append(parent_scope, aml_name_decl("BSEL", aml_int(bsel_val)));
notify_method = aml_method("DVNT", 2, AML_NOTSERIALIZED);
@@ -570,12 +572,9 @@ static void build_append_pcihp_slots(Aml *parent_scope, PCIBus *bus,
void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus)
{
- QObject *bsel;
int devfn;
Aml *dev;
- bsel = object_property_get_qobject(OBJECT(bus), ACPI_PCIHP_PROP_BSEL, NULL);
-
for (devfn = 0; devfn < ARRAY_SIZE(bus->devices); devfn++) {
/* ACPI spec: 1.0b: Table 6-2 _ADR Object Bus Types, PCI type */
int adr = PCI_SLOT(devfn) << 16 | PCI_FUNC(devfn);
@@ -601,11 +600,9 @@ void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus)
aml_append(parent_scope, dev);
}
- if (bsel) {
- build_append_pcihp_slots(parent_scope, bus, bsel);
+ if (object_property_find(OBJECT(bus), ACPI_PCIHP_PROP_BSEL)) {
+ build_append_pcihp_slots(parent_scope, bus);
}
-
- qobject_unref(bsel);
}
static bool build_append_notfication_callback(Aml *parent_scope,