aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDavid Woodhouse <dwmw@amazon.co.uk>2022-12-12 23:40:45 +0000
committerDavid Woodhouse <dwmw@amazon.co.uk>2023-03-01 08:22:49 +0000
commite21be724eaf5dfdf1ac3595e0c808b775ec262f2 (patch)
treea32065fa7acf41e9709148f1ea6fbbebe6b99478
parent7058fa02200e70bfecda10fd58c2555674d802ed (diff)
i386/xen: add pc_machine_kvm_type to initialize XEN_EMULATE mode
The xen_overlay device (and later similar devices for event channels and grant tables) need to be instantiated. Do this from a kvm_type method on the PC machine derivatives, since KVM is only way to support Xen emulation for now. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
-rw-r--r--hw/i386/pc.c11
-rw-r--r--include/hw/i386/pc.h3
2 files changed, 14 insertions, 0 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 992951c107..a316a01b15 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -90,6 +90,7 @@
#include "hw/virtio/virtio-iommu.h"
#include "hw/virtio/virtio-pmem-pci.h"
#include "hw/virtio/virtio-mem-pci.h"
+#include "hw/i386/kvm/xen_overlay.h"
#include "hw/mem/memory-device.h"
#include "sysemu/replay.h"
#include "target/i386/cpu.h"
@@ -1846,6 +1847,16 @@ static void pc_machine_initfn(Object *obj)
cxl_machine_init(obj, &pcms->cxl_devices_state);
}
+int pc_machine_kvm_type(MachineState *machine, const char *kvm_type)
+{
+#ifdef CONFIG_XEN_EMU
+ if (xen_mode == XEN_EMULATE) {
+ xen_overlay_create();
+ }
+#endif
+ return 0;
+}
+
static void pc_machine_reset(MachineState *machine, ShutdownCause reason)
{
CPUState *cs;
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 66e3d059ef..467311007e 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -291,12 +291,15 @@ extern const size_t pc_compat_1_5_len;
extern GlobalProperty pc_compat_1_4[];
extern const size_t pc_compat_1_4_len;
+int pc_machine_kvm_type(MachineState *machine, const char *vm_type);
+
#define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
{ \
MachineClass *mc = MACHINE_CLASS(oc); \
optsfn(mc); \
mc->init = initfn; \
+ mc->kvm_type = pc_machine_kvm_type; \
} \
static const TypeInfo pc_machine_type_##suffix = { \
.name = namestr TYPE_MACHINE_SUFFIX, \