| 1 | /* |
| 2 | * Copyright (c) 2007, Neocleus Corporation. |
| 3 | * Copyright (c) 2007, Intel Corporation. |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0-only |
| 6 | * |
| 7 | * Alex Novik <alex@neocleus.com> |
| 8 | * Allen Kay <allen.m.kay@intel.com> |
| 9 | * Guy Zana <guy@neocleus.com> |
| 10 | */ |
| 11 | #ifndef XEN_IGD_H |
| 12 | #define XEN_IGD_H |
| 13 | |
| 14 | #include "hw/xen/xen-host-pci-device.h" |
| 15 | |
| 16 | typedef struct XenPCIPassthroughState XenPCIPassthroughState; |
| 17 | |
| 18 | bool xen_igd_gfx_pt_enabled(void); |
| 19 | void xen_igd_gfx_pt_set(bool value, Error **errp); |
| 20 | |
| 21 | uint32_t igd_read_opregion(XenPCIPassthroughState *s); |
| 22 | void xen_igd_reserve_slot(PCIBus *pci_bus); |
| 23 | void igd_write_opregion(XenPCIPassthroughState *s, uint32_t val); |
| 24 | void xen_igd_passthrough_isa_bridge_create(XenPCIPassthroughState *s, |
| 25 | XenHostPCIDevice *dev); |
| 26 | |
| 27 | static inline bool is_igd_vga_passthrough(XenHostPCIDevice *dev) |
| 28 | { |
| 29 | return (xen_igd_gfx_pt_enabled() |
| 30 | && ((dev->class_code >> 0x8) == PCI_CLASS_DISPLAY_VGA)); |
| 31 | } |
| 32 | |
| 33 | #endif |