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1 | /* |
2 | * pmc.h | |
3 | * Copyright (C) 2004 David Gibson, IBM Corporation | |
4 | * | |
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. | |
9 | * | |
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. | |
14 | * | |
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 | |
18 | */ | |
f7f6f4fe DG |
19 | #ifndef _POWERPC_PMC_H |
20 | #define _POWERPC_PMC_H | |
88ced031 | 21 | #ifdef __KERNEL__ |
1da177e4 LT |
22 | |
23 | #include <asm/ptrace.h> | |
24 | ||
25 | typedef void (*perf_irq_t)(struct pt_regs *); | |
a31751e0 | 26 | extern perf_irq_t perf_irq; |
1da177e4 LT |
27 | |
28 | int reserve_pmc_hardware(perf_irq_t new_perf_irq); | |
29 | void release_pmc_hardware(void); | |
a6dbf93a | 30 | void ppc_enable_pmcs(void); |
1da177e4 | 31 | |
ad08587e | 32 | #ifdef CONFIG_PPC_BOOK3S_64 |
a6dbf93a PM |
33 | #include <asm/lppaca.h> |
34 | ||
35 | static inline void ppc_set_pmu_inuse(int inuse) | |
36 | { | |
37 | get_lppaca()->pmcregs_in_use = inuse; | |
38 | } | |
39 | ||
40 | extern void power4_enable_pmcs(void); | |
41 | ||
42 | #else /* CONFIG_PPC64 */ | |
43 | ||
44 | static inline void ppc_set_pmu_inuse(int inuse) { } | |
45 | ||
f7f6f4fe | 46 | #endif |
180a3362 | 47 | |
88ced031 | 48 | #endif /* __KERNEL__ */ |
f7f6f4fe | 49 | #endif /* _POWERPC_PMC_H */ |