diff options
Diffstat (limited to 'arch/powerpc/include/asm')
-rw-r--r-- | arch/powerpc/include/asm/paca.h | 1 | ||||
-rw-r--r-- | arch/powerpc/include/asm/processor.h | 3 | ||||
-rw-r--r-- | arch/powerpc/include/asm/rtas.h | 12 | ||||
-rw-r--r-- | arch/powerpc/include/asm/system.h | 9 |
4 files changed, 25 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index 17722c73ba2..269c05a36d9 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -135,6 +135,7 @@ struct paca_struct { u8 hard_enabled; /* set if irqs are enabled in MSR */ u8 io_sync; /* writel() needs spin_unlock sync */ u8 irq_work_pending; /* IRQ_WORK interrupt while soft-disable */ + u8 nap_state_lost; /* NV GPR values lost in power7_idle */ #ifdef CONFIG_PPC_POWERNV /* Pointer to OPAL machine check event structure set by the diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index eb11a446720..b585bff1a02 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -382,6 +382,9 @@ static inline unsigned long get_clean_sp(struct pt_regs *regs, int is_32) } #endif +extern unsigned long cpuidle_disable; +enum idle_boot_override {IDLE_NO_OVERRIDE = 0, IDLE_POWERSAVE_OFF}; + #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_PROCESSOR_H */ diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h index 1646b76bd3d..01c143bb77a 100644 --- a/arch/powerpc/include/asm/rtas.h +++ b/arch/powerpc/include/asm/rtas.h @@ -313,5 +313,17 @@ static inline u32 rtas_config_addr(int busno, int devfn, int reg) extern void __cpuinit rtas_give_timebase(void); extern void __cpuinit rtas_take_timebase(void); +#ifdef CONFIG_PPC_RTAS +static inline int page_is_rtas_user_buf(unsigned long pfn) +{ + unsigned long paddr = (pfn << PAGE_SHIFT); + if (paddr >= rtas_rmo_buf && paddr < (rtas_rmo_buf + RTAS_RMOBUF_MAX)) + return 1; + return 0; +} +#else +static inline int page_is_rtas_user_buf(unsigned long pfn) { return 0;} +#endif + #endif /* __KERNEL__ */ #endif /* _POWERPC_RTAS_H */ diff --git a/arch/powerpc/include/asm/system.h b/arch/powerpc/include/asm/system.h index e30a13d1ee7..f56a0a75d98 100644 --- a/arch/powerpc/include/asm/system.h +++ b/arch/powerpc/include/asm/system.h @@ -221,6 +221,15 @@ extern unsigned long klimit; extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask); extern int powersave_nap; /* set if nap mode can be used in idle loop */ +void cpu_idle_wait(void); + +#ifdef CONFIG_PSERIES_IDLE +extern void update_smt_snooze_delay(int snooze); +extern int pseries_notify_cpuidle_add_cpu(int cpu); +#else +static inline void update_smt_snooze_delay(int snooze) {} +static inline int pseries_notify_cpuidle_add_cpu(int cpu) { return 0; } +#endif /* * Atomic exchange |