diff options
| author | Philippe Mathieu-Daudé <philmd@linaro.org> | 2023-11-10 22:50:35 +0100 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <philmd@linaro.org> | 2024-03-09 18:51:45 +0100 |
| commit | f28b958cbf08c4019f99091208e5c877b857b030 (patch) | |
| tree | a46fbfad9bd4a74f3614ca0131b3b2d303307d6f /include | |
| parent | 92dfc8a25785c3df47bdf2788be3d229e6185f62 (diff) | |
hw/xen: Extract 'xen_igd.h' from 'xen_pt.h'
"hw/xen/xen_pt.h" requires "hw/xen/xen_native.h" which is target
specific. It also declares IGD methods, which are not target
specific.
Target-agnostic code can use IGD methods. To allow that, extract
these methos into a new "hw/xen/xen_igd.h" header.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Message-Id: <20231114143816.71079-18-philmd@linaro.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/xen/xen_igd.h | 33 |
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 |