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-rw-r--r--include/hw/xen/xen_igd.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/include/hw/xen/xen_igd.h b/include/hw/xen/xen_igd.h
new file mode 100644
index 0000000000..7ffca06c10
--- /dev/null
+++ b/include/hw/xen/xen_igd.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2007, Neocleus Corporation.
+ * Copyright (c) 2007, Intel Corporation.
+ *
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * Alex Novik <alex@neocleus.com>
+ * Allen Kay <allen.m.kay@intel.com>
+ * Guy Zana <guy@neocleus.com>
+ */
+#ifndef XEN_IGD_H
+#define XEN_IGD_H
+
+#include "hw/xen/xen-host-pci-device.h"
+
+typedef struct XenPCIPassthroughState XenPCIPassthroughState;
+
+bool xen_igd_gfx_pt_enabled(void);
+void xen_igd_gfx_pt_set(bool value, Error **errp);
+
+uint32_t igd_read_opregion(XenPCIPassthroughState *s);
+void xen_igd_reserve_slot(PCIBus *pci_bus);
+void igd_write_opregion(XenPCIPassthroughState *s, uint32_t val);
+void xen_igd_passthrough_isa_bridge_create(XenPCIPassthroughState *s,
+ XenHostPCIDevice *dev);
+
+static inline bool is_igd_vga_passthrough(XenHostPCIDevice *dev)
+{
+ return (xen_igd_gfx_pt_enabled()
+ && ((dev->class_code >> 0x8) == PCI_CLASS_DISPLAY_VGA));
+}
+
+#endif