xref: /freebsd/sys/dev/hwpmc/hwpmc_powerpc.h (revision b2fb58a11db04975893ac1efa4f4dab99830e0c3)
1*b2fb58a1SJustin Hibbits /*-
2*b2fb58a1SJustin Hibbits  * Copyright (c) 2013 Justin Hibbits
3*b2fb58a1SJustin Hibbits  * All rights reserved.
4*b2fb58a1SJustin Hibbits  *
5*b2fb58a1SJustin Hibbits  * Redistribution and use in source and binary forms, with or without
6*b2fb58a1SJustin Hibbits  * modification, are permitted provided that the following conditions
7*b2fb58a1SJustin Hibbits  * are met:
8*b2fb58a1SJustin Hibbits  * 1. Redistributions of source code must retain the above copyright
9*b2fb58a1SJustin Hibbits  *    notice, this list of conditions and the following disclaimer.
10*b2fb58a1SJustin Hibbits  * 2. Redistributions in binary form must reproduce the above copyright
11*b2fb58a1SJustin Hibbits  *    notice, this list of conditions and the following disclaimer in the
12*b2fb58a1SJustin Hibbits  *    documentation and/or other materials provided with the distribution.
13*b2fb58a1SJustin Hibbits  *
14*b2fb58a1SJustin Hibbits  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*b2fb58a1SJustin Hibbits  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*b2fb58a1SJustin Hibbits  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*b2fb58a1SJustin Hibbits  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*b2fb58a1SJustin Hibbits  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*b2fb58a1SJustin Hibbits  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*b2fb58a1SJustin Hibbits  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*b2fb58a1SJustin Hibbits  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*b2fb58a1SJustin Hibbits  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*b2fb58a1SJustin Hibbits  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*b2fb58a1SJustin Hibbits  * SUCH DAMAGE.
25*b2fb58a1SJustin Hibbits  *
26*b2fb58a1SJustin Hibbits  * $FreeBSD$
27*b2fb58a1SJustin Hibbits  */
28*b2fb58a1SJustin Hibbits 
29*b2fb58a1SJustin Hibbits #ifndef _DEV_HWPMC_POWERPC_H_
30*b2fb58a1SJustin Hibbits #define	_DEV_HWPMC_POWERPC_H_ 1
31*b2fb58a1SJustin Hibbits 
32*b2fb58a1SJustin Hibbits #ifdef _KERNEL
33*b2fb58a1SJustin Hibbits 
34*b2fb58a1SJustin Hibbits #define	POWERPC_PMC_CAPS	(PMC_CAP_INTERRUPT | PMC_CAP_USER |     \
35*b2fb58a1SJustin Hibbits 				 PMC_CAP_SYSTEM | PMC_CAP_EDGE |	\
36*b2fb58a1SJustin Hibbits 				 PMC_CAP_THRESHOLD | PMC_CAP_READ |	\
37*b2fb58a1SJustin Hibbits 				 PMC_CAP_WRITE | PMC_CAP_INVERT |	\
38*b2fb58a1SJustin Hibbits 				 PMC_CAP_QUALIFIER)
39*b2fb58a1SJustin Hibbits 
40*b2fb58a1SJustin Hibbits #define POWERPC_PMC_KERNEL_ENABLE	(0x1 << 30)
41*b2fb58a1SJustin Hibbits #define POWERPC_PMC_USER_ENABLE		(0x1 << 31)
42*b2fb58a1SJustin Hibbits 
43*b2fb58a1SJustin Hibbits #define POWERPC_PMC_ENABLE	(POWERPC_PMC_KERNEL_ENABLE | POWERPC_PMC_USER_ENABLE)
44*b2fb58a1SJustin Hibbits #define	POWERPC_RELOAD_COUNT_TO_PERFCTR_VALUE(V)	(0x80000000-(V))
45*b2fb58a1SJustin Hibbits #define	POWERPC_PERFCTR_VALUE_TO_RELOAD_COUNT(P)	(0x80000000-(P))
46*b2fb58a1SJustin Hibbits 
47*b2fb58a1SJustin Hibbits struct powerpc_cpu {
48*b2fb58a1SJustin Hibbits 	struct pmc_hw   *pc_ppcpmcs;
49*b2fb58a1SJustin Hibbits };
50*b2fb58a1SJustin Hibbits 
51*b2fb58a1SJustin Hibbits extern struct powerpc_cpu **powerpc_pcpu;
52*b2fb58a1SJustin Hibbits 
53*b2fb58a1SJustin Hibbits extern int pmc_mpc7xxx_initialize(struct pmc_mdep *pmc_mdep);
54*b2fb58a1SJustin Hibbits extern int pmc_ppc970_initialize(struct pmc_mdep *pmc_mdep);
55*b2fb58a1SJustin Hibbits 
56*b2fb58a1SJustin Hibbits extern int powerpc_describe(int cpu, int ri, struct pmc_info *pi, struct pmc **ppmc);
57*b2fb58a1SJustin Hibbits extern int powerpc_get_config(int cpu, int ri, struct pmc **ppm);
58*b2fb58a1SJustin Hibbits #endif /* _KERNEL */
59*b2fb58a1SJustin Hibbits 
60*b2fb58a1SJustin Hibbits #endif	/* _DEV_HWPMC_POWERPC_H_ */
61