From: Eric Auger Date: Mon, 14 Jul 2025 08:05:16 +0000 (+0200) Subject: hw/arm/virt: Let virt support pci hotplug/unplug GED event X-Git-Tag: v10.1.0-rc0~19^2~19 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6af97d127eb40bd8a3b25db86d3644b25287be51;p=thirdparty%2Fqemu.git hw/arm/virt: Let virt support pci hotplug/unplug GED event Set up the IO registers used to communicate between QEMU and ACPI. Signed-off-by: Eric Auger Reviewed-by: Jonathan Cameron Reviewed-by: Igor Mammedov Message-Id: <20250714080639.2525563-33-eric.auger@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- diff --git a/hw/arm/virt.c b/hw/arm/virt.c index f127a668ef..ef6be3660f 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -691,6 +691,7 @@ static inline DeviceState *create_acpi_ged(VirtMachineState *vms) SysBusDevice *sbdev; int irq = vms->irqmap[VIRT_ACPI_GED]; uint32_t event = ACPI_GED_PWR_DOWN_EVT; + bool acpi_pcihp; if (ms->ram_slots) { event |= ACPI_GED_MEM_HOTPLUG_EVT; @@ -709,6 +710,18 @@ static inline DeviceState *create_acpi_ged(VirtMachineState *vms) sysbus_mmio_map_name(sbdev, TYPE_ACPI_GED, vms->memmap[VIRT_ACPI_GED].base); sysbus_mmio_map_name(sbdev, ACPI_MEMHP_REGION_NAME, vms->memmap[VIRT_PCDIMM_ACPI].base); + + acpi_pcihp = object_property_get_bool(OBJECT(dev), + ACPI_PM_PROP_ACPI_PCIHP_BRIDGE, NULL); + + if (acpi_pcihp) { + int pcihp_region_index; + + pcihp_region_index = sysbus_mmio_map_name(sbdev, ACPI_PCIHP_REGION_NAME, + vms->memmap[VIRT_ACPI_PCIHP].base); + assert(pcihp_region_index >= 0); + } + sysbus_connect_irq(sbdev, 0, qdev_get_gpio_in(vms->gic, irq)); return dev;