X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;ds=sidebyside;f=include%2Fust%2Flttng-ust-abi.h;h=303493eeb4e1404ea4241b7054c9f138813ab475;hb=4847e9bbec5a73140193185073437d95fdf15f30;hp=f8ba13e56182c0cedec175016d52bc3b4eb8a37c;hpb=0a42beb627df1b9ea5cce4b1908e8a9cefaa1631;p=lttng-ust.git diff --git a/include/ust/lttng-ust-abi.h b/include/ust/lttng-ust-abi.h index f8ba13e5..303493ee 100644 --- a/include/ust/lttng-ust-abi.h +++ b/include/ust/lttng-ust-abi.h @@ -15,20 +15,24 @@ #define LTTNG_UST_SYM_NAME_LEN 128 +#define LTTNG_UST_COMM_VERSION_MAJOR 0 +#define LTTNG_UST_COMM_VERSION_MINOR 1 + enum lttng_ust_instrumentation { LTTNG_UST_TRACEPOINT = 0, + LTTNG_UST_PROBE = 1, + LTTNG_UST_FUNCTION = 2, }; -/* - * LTTng consumer mode - */ enum lttng_ust_output { - LTTNG_UST_MMAP = 0, + LTTNG_UST_MMAP = 0, }; -/* - * LTTng DebugFS ABI structures. - */ +struct lttng_ust_tracer_version { + uint32_t version; + uint32_t patchlevel; + uint32_t sublevel; +}; struct lttng_ust_channel { int overwrite; /* 1: overwrite, 0: discard */ @@ -36,7 +40,21 @@ struct lttng_ust_channel { uint64_t num_subbuf; unsigned int switch_timer_interval; /* usecs */ unsigned int read_timer_interval; /* usecs */ - enum lttng_ust_output output; /* mmap */ + enum lttng_ust_output output; /* output mode */ + /* The following fields are used internally within UST. */ + int shm_fd; + int wait_fd; + uint64_t memory_map_size; +}; + +/* + * This structure is only used internally within UST. It is not per-se + * part of the communication between sessiond and UST. + */ +struct lttng_ust_stream { + int shm_fd; + int wait_fd; + uint64_t memory_map_size; }; struct lttng_ust_event { @@ -47,14 +65,11 @@ struct lttng_ust_event { } u; }; -struct lttng_ust_tracer_version { - uint32_t version; - uint32_t patchlevel; - uint32_t sublevel; -}; - enum lttng_ust_context_type { LTTNG_UST_CONTEXT_VTID = 0, + LTTNG_UST_CONTEXT_VPID = 1, + LTTNG_UST_CONTEXT_PTHREAD_ID = 2, + LTTNG_UST_CONTEXT_PROCNAME = 3, }; struct lttng_ust_context { @@ -67,14 +82,20 @@ struct lttng_ust_context { #define _UST_CMDR(minor, type) (minor) #define _UST_CMDW(minor, type) (minor) +/* Handled by object descriptor */ +#define LTTNG_UST_RELEASE _UST_CMD(0x1) + +/* Handled by object cmd */ + /* LTTng-UST commands */ #define LTTNG_UST_SESSION _UST_CMD(0x40) #define LTTNG_UST_TRACER_VERSION \ _UST_CMDR(0x41, struct lttng_ust_tracer_version) #define LTTNG_UST_TRACEPOINT_LIST _UST_CMD(0x42) #define LTTNG_UST_WAIT_QUIESCENT _UST_CMD(0x43) +#define LTTNG_UST_REGISTER_DONE _UST_CMD(0x44) -/* Session FD ioctl */ +/* Session FD commands */ #define LTTNG_UST_METADATA \ _UST_CMDW(0x50, struct lttng_ust_channel) #define LTTNG_UST_CHANNEL \ @@ -82,17 +103,35 @@ struct lttng_ust_context { #define LTTNG_UST_SESSION_START _UST_CMD(0x52) #define LTTNG_UST_SESSION_STOP _UST_CMD(0x53) -/* Channel FD ioctl */ +/* Channel FD commands */ #define LTTNG_UST_STREAM _UST_CMD(0x60) #define LTTNG_UST_EVENT \ _UST_CMDW(0x61, struct lttng_ust_event) -/* Event and Channel FD ioctl */ +/* Event and Channel FD commands */ #define LTTNG_UST_CONTEXT \ _UST_CMDW(0x70, struct lttng_ust_context) -/* Event, Channel and Session ioctl */ +/* Event, Channel and Session commands */ #define LTTNG_UST_ENABLE _UST_CMD(0x80) #define LTTNG_UST_DISABLE _UST_CMD(0x81) +#define LTTNG_UST_ROOT_HANDLE 0 + +struct obj; + +struct objd_ops { + long (*cmd)(int objd, unsigned int cmd, unsigned long arg); + int (*release)(int objd); +}; + +/* Create root handle. Always ID 0. */ +int lttng_abi_create_root_handle(void); + +const struct objd_ops *objd_ops(int id); +int objd_unref(int id); + +void lttng_ust_abi_exit(void); +void ltt_events_exit(void); + #endif /* _LTTNG_UST_ABI_H */