1/*-
 2 * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
 3 * All rights reserved.
 4 *
 5 * This software was developed by the University of Cambridge Computer
 6 * Laboratory with support from ARM Ltd.
 7 *
 8 * Redistribution and use in source and binary forms, with or without
 9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#ifndef _DEV_HWPMC_RISCV_H_
31#define	_DEV_HWPMC_RISCV_H_
32
33#define	RISCV_PMC_CAPS		(PMC_CAP_INTERRUPT | PMC_CAP_USER |	\
34				 PMC_CAP_SYSTEM | PMC_CAP_EDGE |	\
35				 PMC_CAP_THRESHOLD | PMC_CAP_READ |	\
36				 PMC_CAP_WRITE | PMC_CAP_INVERT |	\
37				 PMC_CAP_QUALIFIER)
38
39#define	RISCV_RELOAD_COUNT_TO_PERFCTR_VALUE(R)	(-(R))
40#define	RISCV_PERFCTR_VALUE_TO_RELOAD_COUNT(P)	(-(P))
41#define	EVENT_ID_MASK	0xFF
42
43#ifdef _KERNEL
44/* MD extension for 'struct pmc' */
45struct pmc_md_riscv_pmc {
46	uint32_t	pm_riscv_evsel;
47};
48#endif /* _KERNEL */
49#endif /* _DEV_HWPMC_RISCV_H_ */