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/*
* 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
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