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git.ipfire.org Git - thirdparty/linux.git/blob - drivers/gpu/drm/i915/gvt/hypercall.h
2 * Copyright(c) 2011-2016 Intel Corporation. All rights reserved.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * Eddie Dong <eddie.dong@intel.com>
26 * Jike Song <jike.song@intel.com>
29 * Zhi Wang <zhi.a.wang@intel.com>
33 #ifndef _GVT_HYPERCALL_H_
34 #define _GVT_HYPERCALL_H_
36 enum hypervisor_type
{
37 INTEL_GVT_HYPERVISOR_XEN
= 0,
38 INTEL_GVT_HYPERVISOR_KVM
,
42 * Specific GVT-g MPT modules function collections. Currently GVT-g supports
43 * both Xen and KVM by providing dedicated hypervisor-related MPT modules.
45 struct intel_gvt_mpt
{
46 enum hypervisor_type type
;
47 int (*host_init
)(struct device
*dev
, void *gvt
, const void *ops
);
48 void (*host_exit
)(struct device
*dev
);
49 int (*attach_vgpu
)(void *vgpu
, unsigned long *handle
);
50 void (*detach_vgpu
)(void *vgpu
);
51 int (*inject_msi
)(unsigned long handle
, u32 addr
, u16 data
);
52 unsigned long (*from_virt_to_mfn
)(void *p
);
53 int (*enable_page_track
)(unsigned long handle
, u64 gfn
);
54 int (*disable_page_track
)(unsigned long handle
, u64 gfn
);
55 int (*read_gpa
)(unsigned long handle
, unsigned long gpa
, void *buf
,
57 int (*write_gpa
)(unsigned long handle
, unsigned long gpa
, void *buf
,
59 unsigned long (*gfn_to_mfn
)(unsigned long handle
, unsigned long gfn
);
61 int (*dma_map_guest_page
)(unsigned long handle
, unsigned long gfn
,
62 unsigned long size
, dma_addr_t
*dma_addr
);
63 void (*dma_unmap_guest_page
)(unsigned long handle
, dma_addr_t dma_addr
);
65 int (*map_gfn_to_mfn
)(unsigned long handle
, unsigned long gfn
,
66 unsigned long mfn
, unsigned int nr
, bool map
);
67 int (*set_trap_area
)(unsigned long handle
, u64 start
, u64 end
,
69 int (*set_opregion
)(void *vgpu
);
70 int (*set_edid
)(void *vgpu
, int port_num
);
71 int (*get_vfio_device
)(void *vgpu
);
72 void (*put_vfio_device
)(void *vgpu
);
73 bool (*is_valid_gfn
)(unsigned long handle
, unsigned long gfn
);
76 extern struct intel_gvt_mpt xengt_mpt
;
78 #endif /* _GVT_HYPERCALL_H_ */