diff options
Diffstat (limited to 'cpukit/score/include')
| -rw-r--r-- | cpukit/score/include/sys/timepps.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/cpukit/score/include/sys/timepps.h b/cpukit/score/include/sys/timepps.h index 85bb6813cf..419e781be3 100644 --- a/cpukit/score/include/sys/timepps.h +++ b/cpukit/score/include/sys/timepps.h @@ -135,6 +135,13 @@ struct pps_kcbind_args { struct mtx; +#define KCMODE_EDGEMASK 0x03 +#define KCMODE_ABIFLAG 0x80000000 /* Internal use: abi-aware driver. */ + +#define PPS_ABI_VERSION 1 + +#define PPSFLAG_MTX_SPIN 0x01 /* Driver mtx is MTX_SPIN type. */ + struct pps_state { /* Capture information. */ struct timehands *capth; @@ -142,9 +149,6 @@ struct pps_state { unsigned capgen; unsigned capcount; - /* pointer to mutex protecting this state, if any */ - struct mtx *mtx; - /* State information. */ pps_params_t ppsparam; pps_info_t ppsinfo; @@ -153,11 +157,19 @@ struct pps_state { int ppscap; struct timecounter *ppstc; unsigned ppscount[3]; + /* + * The following fields are valid if the driver calls pps_init_abi(). + */ + uint16_t driver_abi; /* Driver sets before pps_init_abi(). */ + uint16_t kernel_abi; /* Kernel sets during pps_init_abi(). */ + struct mtx *driver_mtx; /* Optional, valid if non-NULL. */ + uint32_t flags; }; void pps_capture(struct pps_state *pps); void pps_event(struct pps_state *pps, int event); void pps_init(struct pps_state *pps); +void pps_init_abi(struct pps_state *pps); int pps_ioctl(unsigned long cmd, caddr_t data, struct pps_state *pps); void hardpps(struct timespec *tsp, long nsec); |