hwpmc_powerpc.h revision 331722 
1/*-
2 * Copyright (c) 2013 Justin Hibbits
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/11/sys/dev/hwpmc/hwpmc_powerpc.h 331722 2018-03-29 02:50:57Z eadler $
27 */
28
29#ifndef _DEV_HWPMC_POWERPC_H_
30#define	_DEV_HWPMC_POWERPC_H_ 1
31
32#ifdef _KERNEL
33
34#define	POWERPC_PMC_CAPS	(PMC_CAP_INTERRUPT | PMC_CAP_USER |     \
35				 PMC_CAP_SYSTEM | PMC_CAP_EDGE |	\
36				 PMC_CAP_THRESHOLD | PMC_CAP_READ |	\
37				 PMC_CAP_WRITE | PMC_CAP_INVERT |	\
38				 PMC_CAP_QUALIFIER)
39
40#define POWERPC_PMC_KERNEL_ENABLE	(0x1 << 30)
41#define POWERPC_PMC_USER_ENABLE		(0x1 << 31)
42
43#define POWERPC_PMC_ENABLE	(POWERPC_PMC_KERNEL_ENABLE | POWERPC_PMC_USER_ENABLE)
44#define	POWERPC_RELOAD_COUNT_TO_PERFCTR_VALUE(V)	(0x80000000-(V))
45#define	POWERPC_PERFCTR_VALUE_TO_RELOAD_COUNT(P)	(0x80000000-(P))
46
47struct powerpc_cpu {
48	struct pmc_hw   *pc_ppcpmcs;
49	enum pmc_class	 pc_class;
50};
51
52extern struct powerpc_cpu **powerpc_pcpu;
53
54extern int pmc_e500_initialize(struct pmc_mdep *pmc_mdep);
55extern int pmc_mpc7xxx_initialize(struct pmc_mdep *pmc_mdep);
56extern int pmc_ppc970_initialize(struct pmc_mdep *pmc_mdep);
57
58extern int powerpc_describe(int cpu, int ri, struct pmc_info *pi, struct pmc **ppmc);
59extern int powerpc_get_config(int cpu, int ri, struct pmc **ppm);
60#endif /* _KERNEL */
61
62#endif	/* _DEV_HWPMC_POWERPC_H_ */
63