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microvm: add usb support

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Wire up "usb=on" machine option, when enabled add
a sysbus xhci controller with 8 ports.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20201020074844.5304-6-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2020-10-20 09:48:39 +02:00
parent 7114f6eac3
commit d4a42e8581
4 changed files with 27 additions and 1 deletions
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9
hw/i386/acpi-microvm.c
View file

@ -35,6 +35,7 @@
#include "hw/i386/microvm.h"
#include "hw/pci/pci.h"
#include "hw/pci/pcie_host.h"
#include "hw/usb/xhci.h"
#include "hw/virtio/virtio-mmio.h"
#include "acpi-common.h"
@ -89,6 +90,13 @@ static void acpi_dsdt_add_virtio(Aml *scope,
}
}
static void acpi_dsdt_add_xhci(Aml *scope, MicrovmMachineState *mms)
{
if (machine_usb(MACHINE(mms))) {
xhci_sysbus_build_aml(scope, MICROVM_XHCI_BASE, MICROVM_XHCI_IRQ);
}
}
static void acpi_dsdt_add_pci(Aml *scope, MicrovmMachineState *mms)
{
if (mms->pcie != ON_OFF_AUTO_ON) {
@ -123,6 +131,7 @@ build_dsdt_microvm(GArray *table_data, BIOSLinker *linker,
GED_MMIO_IRQ, AML_SYSTEM_MEMORY, GED_MMIO_BASE);
acpi_dsdt_add_power_button(sb_scope);
acpi_dsdt_add_virtio(sb_scope, mms);
acpi_dsdt_add_xhci(sb_scope, mms);
acpi_dsdt_add_pci(sb_scope, mms);
aml_append(dsdt, sb_scope);