165 lines
6.3 KiB
C
165 lines
6.3 KiB
C
/****************************************************************************
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* include/nuttx/note/note_driver.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_NUTTX_NOTE_NOTE_DRIVER_H
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#define __INCLUDE_NUTTX_NOTE_NOTE_DRIVER_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <nuttx/sched.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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struct note_driver_s;
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struct note_driver_ops_s
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{
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CODE void (*add)(FAR struct note_driver_s *drv,
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FAR const void *note, size_t notelen);
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CODE void (*start)(FAR struct note_driver_s *drv, FAR struct tcb_s *tcb);
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CODE void (*stop)(FAR struct note_driver_s *drv, FAR struct tcb_s *tcb);
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#ifdef CONFIG_SCHED_INSTRUMENTATION_SWITCH
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CODE void (*suspend)(FAR struct note_driver_s *drv, FAR struct tcb_s *tcb);
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CODE void (*resume)(FAR struct note_driver_s *drv, FAR struct tcb_s *tcb);
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#endif
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#ifdef CONFIG_SMP
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CODE void (*cpu_start)(FAR struct note_driver_s *drv,
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FAR struct tcb_s *tcb, int cpu);
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CODE void (*cpu_started)(FAR struct note_driver_s *drv,
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FAR struct tcb_s *tcb);
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# ifdef CONFIG_SCHED_INSTRUMENTATION_SWITCH
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CODE void (*cpu_pause)(FAR struct note_driver_s *drv,
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FAR struct tcb_s *tcb, int cpu);
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CODE void (*cpu_paused)(FAR struct note_driver_s *drv,
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FAR struct tcb_s *tcb);
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CODE void (*cpu_resume)(FAR struct note_driver_s *drv,
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FAR struct tcb_s *tcb, int cpu);
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CODE void (*cpu_resumed)(FAR struct note_driver_s *drv,
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FAR struct tcb_s *tcb);
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# endif
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#endif
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#ifdef CONFIG_SCHED_INSTRUMENTATION_PREEMPTION
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CODE void (*premption)(FAR struct note_driver_s *drv,
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FAR struct tcb_s *tcb, bool locked);
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#endif
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#ifdef CONFIG_SCHED_INSTRUMENTATION_CSECTION
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CODE void (*csection)(FAR struct note_driver_s *drv,
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FAR struct tcb_s *tcb, bool enter);
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#endif
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#ifdef CONFIG_SCHED_INSTRUMENTATION_SPINLOCKS
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CODE void (*spinlock)(FAR struct note_driver_s *drv, FAR struct tcb_s *tcb,
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FAR volatile void *spinlock, int type);
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#endif
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#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
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CODE void (*syscall_enter)(FAR struct note_driver_s *drv,
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int nr, int argc, va_list *ap);
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CODE void (*syscall_leave)(FAR struct note_driver_s *drv,
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int nr, uintptr_t result);
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#endif
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#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
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CODE void (*irqhandler)(FAR struct note_driver_s *drv, int irq,
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FAR void *handler, bool enter);
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#endif
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#ifdef CONFIG_SCHED_INSTRUMENTATION_DUMP
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CODE void (*string)(FAR struct note_driver_s *drv, uintptr_t ip,
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FAR const char *buf);
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CODE void (*dump)(FAR struct note_driver_s *drv, uintptr_t ip,
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uint8_t event, FAR const void *buf, size_t len);
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CODE void (*vprintf)(FAR struct note_driver_s *drv, uintptr_t ip,
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FAR const char *fmt, va_list va) printf_like(3, 0);
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CODE void (*vbprintf)(FAR struct note_driver_s *drv, uintptr_t ip,
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uint8_t event, FAR const char *fmt,
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va_list va) printf_like(4, 0);
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#endif
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};
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struct note_driver_s
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{
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FAR const struct note_driver_ops_s *ops;
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#if defined(__KERNEL__) || defined(CONFIG_BUILD_FLAT)
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/****************************************************************************
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* Name: note_initialize
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*
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* Description:
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* Register sched note related drivers at /dev folder that can be used by
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* an application to read or filter the note data.
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*
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* Input Parameters:
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* None.
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*
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* Returned Value:
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* Zero on succress. A negated errno value is returned on a failure.
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*
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****************************************************************************/
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#ifdef CONFIG_DRIVERS_NOTE
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int note_initialize(void);
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#endif
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#endif /* defined(__KERNEL__) || defined(CONFIG_BUILD_FLAT) */
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#if CONFIG_DRIVERS_NOTE_TASKNAME_BUFSIZE > 0
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/****************************************************************************
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* Name: note_get_taskname
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*
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* Description:
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* Get the task name string of the specified PID
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*
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* Input Parameters:
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* PID - Task ID
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* name - Task name buffer
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* this buffer must be greater than CONFIG_TASK_NAME_SIZE + 1
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*
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* Returned Value:
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* Retrun OK if task name can be retrieved, otherwise -ESRCH
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*
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****************************************************************************/
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int note_get_taskname(pid_t pid, FAR char *name);
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#endif /* CONFIG_DRIVERS_NOTE_TASKNAME_BUFSIZE > 0 */
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/****************************************************************************
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* Name: note_driver_register
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****************************************************************************/
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int note_driver_register(FAR struct note_driver_s *driver);
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#endif /* __INCLUDE_NUTTX_NOTE_NOTE_DRIVER_H */
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