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