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_ */ 79
