/* * Copyright(c) 2011-2017 Intel Corporation. All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * */ #ifndef _GVT_PAGE_TRACK_H_ #define _GVT_PAGE_TRACK_H_ #include <linux/types.h> struct intel_vgpu; struct intel_vgpu_page_track; typedef int (*gvt_page_track_handler_t)( struct intel_vgpu_page_track *page_track, u64 gpa, void *data, int bytes); /* Track record for a write-protected guest page. */ struct intel_vgpu_page_track { gvt_page_track_handler_t handler; bool tracked; void *priv_data; }; struct intel_vgpu_page_track *intel_vgpu_find_page_track( struct intel_vgpu *vgpu, unsigned long gfn); int intel_vgpu_register_page_track(struct intel_vgpu *vgpu, unsigned long gfn, gvt_page_track_handler_t handler, void *priv); void intel_vgpu_unregister_page_track(struct intel_vgpu *vgpu, unsigned long gfn); int intel_vgpu_enable_page_track(struct intel_vgpu *vgpu, unsigned long gfn); int intel_vgpu_disable_page_track(struct intel_vgpu *vgpu, unsigned long gfn); int intel_vgpu_page_track_handler(struct intel_vgpu *vgpu, u64 gpa, void *data, unsigned int bytes); #endif