diff options
Diffstat (limited to 'arch/s390/include/asm/timex.h')
| -rw-r--r-- | arch/s390/include/asm/timex.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h index 920db0a..0f34db4 100644 --- a/arch/s390/include/asm/timex.h +++ b/arch/s390/include/asm/timex.h @@ -52,6 +52,11 @@ static inline void store_clock_comparator(__u64 *time) void clock_comparator_work(void); +void __init ptff_init(void); + +extern unsigned char ptff_function_mask[16]; +extern unsigned long lpar_offset; + /* Function codes for the ptff instruction. */ #define PTFF_QAF 0x00 /* query available functions */ #define PTFF_QTO 0x01 /* query tod offset */ @@ -69,6 +74,14 @@ struct ptff_qto { unsigned long long tod_epoch_difference; } __packed; +static inline int ptff_query(unsigned int nr) +{ + unsigned char *ptr; + + ptr = ptff_function_mask + (nr >> 3); + return (*ptr & (0x80 >> (nr & 7))) != 0; +} + static inline int ptff(void *ptff_block, size_t len, unsigned int func) { typedef struct { char _[len]; } addrtype; @@ -138,7 +151,7 @@ static inline cycles_t get_cycles(void) return (cycles_t) get_tod_clock() >> 2; } -int get_sync_clock(unsigned long long *clock); +int get_phys_clock(unsigned long long *clock); void init_cpu_timer(void); unsigned long long monotonic_clock(void); |