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authorGerd Hoffmann <kraxel@redhat.com>2020-10-20 09:48:39 +0200
committerGerd Hoffmann <kraxel@redhat.com>2020-10-21 11:36:19 +0200
commitd4a42e85818141b190af9c6f43175393f1fcbb44 (patch)
tree5a8f49a4dbfb5dbf6d4f44f7ac9e235439bf323b /hw/i386/microvm.c
parent7114f6eac333d99b1db87eedd3f6620a98354296 (diff)
microvm: add usb support
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
Diffstat (limited to 'hw/i386/microvm.c')
-rw-r--r--hw/i386/microvm.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index c60ba4e840..5428448b70 100644
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -47,6 +47,7 @@
#include "hw/acpi/acpi.h"
#include "hw/acpi/generic_event_device.h"
#include "hw/pci-host/gpex.h"
+#include "hw/usb/xhci.h"
#include "cpu.h"
#include "elf.h"
@@ -197,6 +198,18 @@ static void microvm_devices_init(MicrovmMachineState *mms)
x86ms->acpi_dev = HOTPLUG_HANDLER(dev);
}
+ if (x86_machine_is_acpi_enabled(x86ms) && machine_usb(MACHINE(mms))) {
+ DeviceState *dev = qdev_new(TYPE_XHCI_SYSBUS);
+ qdev_prop_set_uint32(dev, "intrs", 1);
+ qdev_prop_set_uint32(dev, "slots", XHCI_MAXSLOTS);
+ qdev_prop_set_uint32(dev, "p2", 8);
+ qdev_prop_set_uint32(dev, "p3", 8);
+ sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
+ sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, MICROVM_XHCI_BASE);
+ sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0,
+ x86ms->gsi[MICROVM_XHCI_IRQ]);
+ }
+
if (x86_machine_is_acpi_enabled(x86ms) && mms->pcie == ON_OFF_AUTO_ON) {
/* use topmost 25% of the address space available */
hwaddr phys_size = (hwaddr)1 << X86_CPU(first_cpu)->phys_bits;