xref: /freebsd-src/sys/dev/hwpmc/hwpmc_riscv.h (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1*28029b68SRuslan Bukin /*-
2*28029b68SRuslan Bukin  * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
3*28029b68SRuslan Bukin  * All rights reserved.
4*28029b68SRuslan Bukin  *
5*28029b68SRuslan Bukin  * This software was developed by the University of Cambridge Computer
6*28029b68SRuslan Bukin  * Laboratory with support from ARM Ltd.
7*28029b68SRuslan Bukin  *
8*28029b68SRuslan Bukin  * Redistribution and use in source and binary forms, with or without
9*28029b68SRuslan Bukin  * modification, are permitted provided that the following conditions
10*28029b68SRuslan Bukin  * are met:
11*28029b68SRuslan Bukin  * 1. Redistributions of source code must retain the above copyright
12*28029b68SRuslan Bukin  *    notice, this list of conditions and the following disclaimer.
13*28029b68SRuslan Bukin  * 2. Redistributions in binary form must reproduce the above copyright
14*28029b68SRuslan Bukin  *    notice, this list of conditions and the following disclaimer in the
15*28029b68SRuslan Bukin  *    documentation and/or other materials provided with the distribution.
16*28029b68SRuslan Bukin  *
17*28029b68SRuslan Bukin  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18*28029b68SRuslan Bukin  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19*28029b68SRuslan Bukin  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20*28029b68SRuslan Bukin  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21*28029b68SRuslan Bukin  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22*28029b68SRuslan Bukin  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23*28029b68SRuslan Bukin  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24*28029b68SRuslan Bukin  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25*28029b68SRuslan Bukin  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26*28029b68SRuslan Bukin  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27*28029b68SRuslan Bukin  * SUCH DAMAGE.
28*28029b68SRuslan Bukin  */
29*28029b68SRuslan Bukin 
30*28029b68SRuslan Bukin #ifndef _DEV_HWPMC_RISCV_H_
31*28029b68SRuslan Bukin #define	_DEV_HWPMC_RISCV_H_
32*28029b68SRuslan Bukin 
33*28029b68SRuslan Bukin #define	RISCV_PMC_CAPS		(PMC_CAP_INTERRUPT | PMC_CAP_USER |	\
34*28029b68SRuslan Bukin 				 PMC_CAP_SYSTEM | PMC_CAP_EDGE |	\
35*28029b68SRuslan Bukin 				 PMC_CAP_THRESHOLD | PMC_CAP_READ |	\
36*28029b68SRuslan Bukin 				 PMC_CAP_WRITE | PMC_CAP_INVERT |	\
37*28029b68SRuslan Bukin 				 PMC_CAP_QUALIFIER)
38*28029b68SRuslan Bukin 
39*28029b68SRuslan Bukin #define	RISCV_RELOAD_COUNT_TO_PERFCTR_VALUE(R)	(-(R))
40*28029b68SRuslan Bukin #define	RISCV_PERFCTR_VALUE_TO_RELOAD_COUNT(P)	(-(P))
41*28029b68SRuslan Bukin #define	EVENT_ID_MASK	0xFF
42*28029b68SRuslan Bukin 
43*28029b68SRuslan Bukin #ifdef _KERNEL
44*28029b68SRuslan Bukin /* MD extension for 'struct pmc' */
45*28029b68SRuslan Bukin struct pmc_md_riscv_pmc {
46*28029b68SRuslan Bukin 	uint32_t	pm_riscv_evsel;
47*28029b68SRuslan Bukin };
48*28029b68SRuslan Bukin #endif /* _KERNEL */
49*28029b68SRuslan Bukin #endif /* _DEV_HWPMC_RISCV_H_ */
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