/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2014 Neel Natu (neel@freebsd.org) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _VRTC_H_ #define _VRTC_H_ #include <isa/isareg.h> struct vrtc; struct vrtc *vrtc_init(struct vm *vm); void vrtc_cleanup(struct vrtc *vrtc); void vrtc_reset(struct vrtc *vrtc); time_t vrtc_get_time(struct vm *vm); int vrtc_set_time(struct vm *vm, time_t secs); int vrtc_nvram_write(struct vm *vm, int offset, uint8_t value); int vrtc_nvram_read(struct vm *vm, int offset, uint8_t *retval); int vrtc_addr_handler(struct vm *vm, int vcpuid, bool in, int port, int bytes, uint32_t *val); int vrtc_data_handler(struct vm *vm, int vcpuid, bool in, int port, int bytes, uint32_t *val); #endif |