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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/riscv/vmm/vmm_vtimer.h
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/*-

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 * SPDX-License-Identifier: BSD-2-Clause

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 *

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 * Copyright (c) 2024 Ruslan Bukin <[email protected]>

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 *

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 * This software was developed by the University of Cambridge Computer

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 * Laboratory (Department of Computer Science and Technology) under Innovate

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 * UK project 105694, "Digital Security by Design (DSbD) Technology Platform

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 * Prototype".

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 *

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 * Redistribution and use in source and binary forms, with or without

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 * modification, are permitted provided that the following conditions

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 * are met:

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 * 1. Redistributions of source code must retain the above copyright

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 *    notice, this list of conditions and the following disclaimer.

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 * 2. Redistributions in binary form must reproduce the above copyright

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 *    notice, this list of conditions and the following disclaimer in the

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 *    documentation and/or other materials provided with the distribution.

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 *

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 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND

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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

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 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE

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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

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 * SUCH DAMAGE.

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 */

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#ifndef _VMM_VTIMER_H_

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#define _VMM_VTIMER_H_

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struct hypctx;

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struct vtimer {

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	struct callout	callout;

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	struct mtx	mtx;

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	uint32_t	freq;

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};

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void vtimer_cpuinit(struct hypctx *hypctx);

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int vtimer_set_timer(struct hypctx *hypctx, uint64_t next_val);

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#endif /* !_VMM_VTIMER_H_ */

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