| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright(c) 2011-2016 Intel Corporation. All rights reserved. |
| 3 | * |
| 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: |
| 10 | * |
| 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 |
| 13 | * Software. |
| 14 | * |
| 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 |
| 21 | * SOFTWARE. |
| 22 | * |
| 23 | * Authors: |
| 24 | * Eddie Dong <eddie.dong@intel.com> |
| 25 | * Dexuan Cui |
| 26 | * Jike Song <jike.song@intel.com> |
| 27 | * |
| 28 | * Contributors: |
| 29 | * Zhi Wang <zhi.a.wang@intel.com> |
| 30 | * |
| 31 | */ |
| 32 | |
| 33 | #ifndef _GVT_HYPERCALL_H_ |
| 34 | #define _GVT_HYPERCALL_H_ |
| 35 | |
| 36 | enum hypervisor_type { |
| 37 | INTEL_GVT_HYPERVISOR_XEN = 0, |
| 38 | INTEL_GVT_HYPERVISOR_KVM, |
| 39 | }; |
| 40 | |
| 41 | /* |
| 42 | * Specific GVT-g MPT modules function collections. Currently GVT-g supports |
| 43 | * both Xen and KVM by providing dedicated hypervisor-related MPT modules. |
| 44 | */ |
| 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, |
| 56 | unsigned long len); |
| 57 | int (*write_gpa)(unsigned long handle, unsigned long gpa, void *buf, |
| 58 | unsigned long len); |
| 59 | unsigned long (*gfn_to_mfn)(unsigned long handle, unsigned long gfn); |
| 60 | |
| 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); |
| 64 | |
| 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, |
| 68 | bool map); |
| 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); |
| 74 | }; |
| 75 | |
| 76 | extern struct intel_gvt_mpt xengt_mpt; |
| 77 | |
| 78 | #endif /* _GVT_HYPERCALL_H_ */ |