xref: /illumos-gate/usr/src/uts/intel/io/vmm/io/vhpet.h (revision 32640292)
1bf21cd93STycho Nightingale /*-
2*32640292SAndy Fiddaman  * SPDX-License-Identifier: BSD-2-Clause
34c87aefeSPatrick Mooney  *
4bf21cd93STycho Nightingale  * Copyright (c) 2013 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
5bf21cd93STycho Nightingale  * Copyright (c) 2013 Neel Natu <neel@freebsd.org>
6bf21cd93STycho Nightingale  * All rights reserved.
7bf21cd93STycho Nightingale  *
8bf21cd93STycho Nightingale  * Redistribution and use in source and binary forms, with or without
9bf21cd93STycho Nightingale  * modification, are permitted provided that the following conditions
10bf21cd93STycho Nightingale  * are met:
11bf21cd93STycho Nightingale  * 1. Redistributions of source code must retain the above copyright
12bf21cd93STycho Nightingale  *    notice, this list of conditions and the following disclaimer.
13bf21cd93STycho Nightingale  * 2. Redistributions in binary form must reproduce the above copyright
14bf21cd93STycho Nightingale  *    notice, this list of conditions and the following disclaimer in the
15bf21cd93STycho Nightingale  *    documentation and/or other materials provided with the distribution.
16bf21cd93STycho Nightingale  *
17bf21cd93STycho Nightingale  * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
18bf21cd93STycho Nightingale  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19bf21cd93STycho Nightingale  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20bf21cd93STycho Nightingale  * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
21bf21cd93STycho Nightingale  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22bf21cd93STycho Nightingale  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23bf21cd93STycho Nightingale  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24bf21cd93STycho Nightingale  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25bf21cd93STycho Nightingale  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26bf21cd93STycho Nightingale  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27bf21cd93STycho Nightingale  * SUCH DAMAGE.
284c87aefeSPatrick Mooney  */
294c87aefeSPatrick Mooney 
304c87aefeSPatrick Mooney /*
314c87aefeSPatrick Mooney  * Copyright 2018 Joyent, Inc.
322cac0506SPatrick Mooney  * Copyright 2022 Oxide Computer Company
33bf21cd93STycho Nightingale  */
34bf21cd93STycho Nightingale 
35bf21cd93STycho Nightingale #ifndef _VHPET_H_
36bf21cd93STycho Nightingale #define	_VHPET_H_
37bf21cd93STycho Nightingale 
38bf21cd93STycho Nightingale #define	VHPET_BASE	0xfed00000
39bf21cd93STycho Nightingale #define	VHPET_SIZE	1024
40bf21cd93STycho Nightingale 
41bf21cd93STycho Nightingale struct vhpet *vhpet_init(struct vm *vm);
423e1c5f3aSPatrick Mooney void vhpet_cleanup(struct vhpet *vhpet);
433e1c5f3aSPatrick Mooney int vhpet_mmio_write(struct vm *vm, int vcpuid, uint64_t gpa, uint64_t val,
443e1c5f3aSPatrick Mooney     int size);
453e1c5f3aSPatrick Mooney int vhpet_mmio_read(struct vm *vm, int vcpuid, uint64_t gpa, uint64_t *val,
463e1c5f3aSPatrick Mooney     int size);
473e1c5f3aSPatrick Mooney int vhpet_getcap(struct vm_hpet_cap *cap);
48bf21cd93STycho Nightingale 
494c87aefeSPatrick Mooney void vhpet_localize_resources(struct vhpet *vhpet);
502cac0506SPatrick Mooney void vhpet_pause(struct vhpet *);
512cac0506SPatrick Mooney void vhpet_resume(struct vhpet *);
524c87aefeSPatrick Mooney 
53bf21cd93STycho Nightingale #endif	/* _VHPET_H_ */
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