1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #undef TRACE_SYSTEM 3*4882a593Smuzhiyun #define TRACE_SYSTEM rwsem 4*4882a593Smuzhiyun #define TRACE_INCLUDE_PATH trace/hooks 5*4882a593Smuzhiyun #if !defined(_TRACE_HOOK_RWSEM_H) || defined(TRACE_HEADER_MULTI_READ) 6*4882a593Smuzhiyun #define _TRACE_HOOK_RWSEM_H 7*4882a593Smuzhiyun #include <linux/tracepoint.h> 8*4882a593Smuzhiyun #include <trace/hooks/vendor_hooks.h> 9*4882a593Smuzhiyun /* 10*4882a593Smuzhiyun * Following tracepoints are not exported in tracefs and provide a 11*4882a593Smuzhiyun * mechanism for vendor modules to hook and extend functionality 12*4882a593Smuzhiyun */ 13*4882a593Smuzhiyun #ifdef __GENKSYMS__ 14*4882a593Smuzhiyun struct rw_semaphore; 15*4882a593Smuzhiyun struct rwsem_waiter; 16*4882a593Smuzhiyun #else 17*4882a593Smuzhiyun /* struct rw_semaphore, struct rwsem_waiter */ 18*4882a593Smuzhiyun #include <linux/rwsem.h> 19*4882a593Smuzhiyun #endif /* __GENKSYMS__ */ 20*4882a593Smuzhiyun DECLARE_HOOK(android_vh_rwsem_init, 21*4882a593Smuzhiyun TP_PROTO(struct rw_semaphore *sem), 22*4882a593Smuzhiyun TP_ARGS(sem)); 23*4882a593Smuzhiyun DECLARE_HOOK(android_vh_rwsem_wake, 24*4882a593Smuzhiyun TP_PROTO(struct rw_semaphore *sem), 25*4882a593Smuzhiyun TP_ARGS(sem)); 26*4882a593Smuzhiyun DECLARE_HOOK(android_vh_rwsem_write_finished, 27*4882a593Smuzhiyun TP_PROTO(struct rw_semaphore *sem), 28*4882a593Smuzhiyun TP_ARGS(sem)); 29*4882a593Smuzhiyun DECLARE_HOOK(android_vh_alter_rwsem_list_add, 30*4882a593Smuzhiyun TP_PROTO(struct rwsem_waiter *waiter, 31*4882a593Smuzhiyun struct rw_semaphore *sem, 32*4882a593Smuzhiyun bool *already_on_list), 33*4882a593Smuzhiyun TP_ARGS(waiter, sem, already_on_list)); 34*4882a593Smuzhiyun DECLARE_HOOK(android_vh_rwsem_wake_finish, 35*4882a593Smuzhiyun TP_PROTO(struct rw_semaphore *sem), 36*4882a593Smuzhiyun TP_ARGS(sem)); 37*4882a593Smuzhiyun DECLARE_HOOK(android_vh_rwsem_set_owner, 38*4882a593Smuzhiyun TP_PROTO(struct rw_semaphore *sem), 39*4882a593Smuzhiyun TP_ARGS(sem)); 40*4882a593Smuzhiyun DECLARE_HOOK(android_vh_rwsem_set_reader_owned, 41*4882a593Smuzhiyun TP_PROTO(struct rw_semaphore *sem), 42*4882a593Smuzhiyun TP_ARGS(sem)); 43*4882a593Smuzhiyun DECLARE_HOOK(android_vh_rwsem_up_write_end, 44*4882a593Smuzhiyun TP_PROTO(struct rw_semaphore *sem), 45*4882a593Smuzhiyun TP_ARGS(sem)); 46*4882a593Smuzhiyun DECLARE_HOOK(android_vh_rwsem_up_read_end, 47*4882a593Smuzhiyun TP_PROTO(struct rw_semaphore *sem), 48*4882a593Smuzhiyun TP_ARGS(sem)); 49*4882a593Smuzhiyun DECLARE_HOOK(android_vh_rwsem_mark_wake_readers, 50*4882a593Smuzhiyun TP_PROTO(struct rw_semaphore *sem, struct rwsem_waiter *waiter), 51*4882a593Smuzhiyun TP_ARGS(sem, waiter)); 52*4882a593Smuzhiyun /* macro versions of hooks are no longer required */ 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun #endif /* _TRACE_HOOK_RWSEM_H */ 55*4882a593Smuzhiyun /* This part must be outside protection */ 56*4882a593Smuzhiyun #include <trace/define_trace.h> 57