hw/arm: xenpvh: Break out a common PVH machine

Break out a common Xen PVH machine in preparation for
adding a x86 Xen PVH machine.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>

1 files changed, 59 insertions, 0 deletions

diff --git a/include/hw/xen/xen-pvh-common.h b/include/hw/xen/xen-pvh-common.h
new file mode 100644
index 0000000000..77fd98b9fe
--- /dev/null
+++ b/include/hw/xen/xen-pvh-common.h
@@ -0,0 +1,59 @@
+/*
+ * QEMU Xen PVH machine - common code.
+ *
+ * Copyright (c) 2024 Advanced Micro Devices, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef XEN_PVH_COMMON_H__
+#define XEN_PVH_COMMON_H__
+
+#include <assert.h>
+#include "hw/sysbus.h"
+#include "hw/hw.h"
+#include "hw/xen/xen-hvm-common.h"
+#include "hw/pci-host/gpex.h"
+
+#define TYPE_XEN_PVH_MACHINE MACHINE_TYPE_NAME("xen-pvh-base")
+OBJECT_DECLARE_TYPE(XenPVHMachineState, XenPVHMachineClass,
+                    XEN_PVH_MACHINE)
+
+struct XenPVHMachineClass {
+    MachineClass parent;
+
+    /* PVH implementation specific init.  */
+    void (*init)(MachineState *state);
+
+    /*
+     * Each implementation can optionally enable features that it
+     * supports and are known to work.
+     */
+    bool has_tpm;
+    bool has_virtio_mmio;
+};
+
+struct XenPVHMachineState {
+    /*< private >*/
+    MachineState parent;
+
+    XenIOState ioreq;
+
+    struct {
+        MemoryRegion low;
+        MemoryRegion high;
+    } ram;
+
+    struct {
+        MemMapEntry ram_low, ram_high;
+        MemMapEntry tpm;
+
+        /* Virtio-mmio */
+        MemMapEntry virtio_mmio;
+        uint32_t virtio_mmio_num;
+        uint32_t virtio_mmio_irq_base;
+    } cfg;
+};
+
+void xen_pvh_class_setup_common_props(XenPVHMachineClass *xpc);
+#endif