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1/*2 * Copyright(c) 2011-2017 Intel Corporation. All rights reserved.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice (including the next12 * paragraph) shall be included in all copies or substantial portions of the13 * Software.14 *15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER19 * 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 THE21 * SOFTWARE.22 *23 */24 25#ifndef _GVT_PAGE_TRACK_H_26#define _GVT_PAGE_TRACK_H_27 28#include <linux/types.h>29 30struct intel_vgpu;31struct intel_vgpu_page_track;32 33typedef int (*gvt_page_track_handler_t)(34 struct intel_vgpu_page_track *page_track,35 u64 gpa, void *data, int bytes);36 37/* Track record for a write-protected guest page. */38struct intel_vgpu_page_track {39 gvt_page_track_handler_t handler;40 bool tracked;41 void *priv_data;42};43 44struct intel_vgpu_page_track *intel_vgpu_find_page_track(45 struct intel_vgpu *vgpu, unsigned long gfn);46 47int intel_vgpu_register_page_track(struct intel_vgpu *vgpu,48 unsigned long gfn, gvt_page_track_handler_t handler,49 void *priv);50void intel_vgpu_unregister_page_track(struct intel_vgpu *vgpu,51 unsigned long gfn);52 53int intel_vgpu_enable_page_track(struct intel_vgpu *vgpu, unsigned long gfn);54int intel_vgpu_disable_page_track(struct intel_vgpu *vgpu, unsigned long gfn);55 56int intel_vgpu_page_track_handler(struct intel_vgpu *vgpu, u64 gpa,57 void *data, unsigned int bytes);58 59#endif60