projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 | 33 | #include <asm/lppaca.h> |
| 8e0b634b | 34 | #include <asm/firmware.h> |
| a6dbf93a PM |
35 | |
| 36 | static inline void ppc_set_pmu_inuse(int inuse) | |
| 37 | { | |
| 8e0b634b NP |
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; | |
| 42 | #endif | |
| 43 | } else { | |
| 44 | #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE | |
| 45 | get_paca()->pmcregs_in_use = inuse; | |
| 46 | #endif | |
| 47 | } | |
| 48 | #endif | |
| a6dbf93a PM |
49 | } |
| 50 | ||
| 51 | extern void power4_enable_pmcs(void); | |
| 52 | ||
| 53 | #else /* CONFIG_PPC64 */ | |
| 54 | ||
| 55 | static inline void ppc_set_pmu_inuse(int inuse) { } | |
| 56 | ||
| f7f6f4fe | 57 | #endif |
| 180a3362 | 58 | |
| 88ced031 | 59 | #endif /* __KERNEL__ */ |
| f7f6f4fe | 60 | #endif /* _POWERPC_PMC_H */ |