3 * Copyright (C) 2004 David Gibson, IBM Corporation
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 #ifndef _POWERPC_PMC_H
20 #define _POWERPC_PMC_H
23 #include <asm/ptrace.h>
25 typedef void (*perf_irq_t)(struct pt_regs *);
26 extern perf_irq_t perf_irq;
28 int reserve_pmc_hardware(perf_irq_t new_perf_irq);
29 void release_pmc_hardware(void);
30 void ppc_enable_pmcs(void);
32 #ifdef CONFIG_PPC_BOOK3S_64
33 #include <asm/lppaca.h>
34 #include <asm/firmware.h>
36 static inline void ppc_set_pmu_inuse(int inuse)
38 #if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_KVM_BOOK3S_HV_POSSIBLE)
39 if (firmware_has_feature(FW_FEATURE_LPAR)) {
40 #ifdef CONFIG_PPC_PSERIES
41 get_lppaca()->pmcregs_in_use = inuse;
44 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
45 get_paca()->pmcregs_in_use = inuse;
51 extern void power4_enable_pmcs(void);
53 #else /* CONFIG_PPC64 */
55 static inline void ppc_set_pmu_inuse(int inuse) { }
59 #endif /* __KERNEL__ */
60 #endif /* _POWERPC_PMC_H */