sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add notectl driver

Browse Source
This commit is contained in:
Nakamura, Yuuichi 2020-09-02 13:59:34 +09:00 committed by Xiang Xiao
parent 6b54377476
commit 6efecd2105
6 changed files with 384 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/note/Kconfig
View File

@ -55,4 +55,12 @@ config DRIVER_NOTERAM_BUFSIZE
---help---
The size of the in-memory, circular instrumentation buffer (in bytes).
config DRIVER_NOTECTL
bool "Scheduler instrumentation filter control driver"
default n
depends on SCHED_INSTRUMENTATION_FILTER
---help---
If this option is selected, the instrumentation filter control device
/dev/notectl is provided.
endif

4
drivers/note/Make.defs
View File

@ -26,5 +26,9 @@ ifeq ($(CONFIG_DRIVER_NOTERAM),y)
CSRCS += noteram_driver.c
endif
ifeq ($(CONFIG_DRIVER_NOTECTL),y)
CSRCS += notectl_driver.c
endif
DEPPATH += --dep-path note
VPATH += :note

9
drivers/note/note_driver.c
View File

@ -24,6 +24,7 @@
#include <nuttx/note/note_driver.h>
#include <nuttx/note/noteram_driver.h>
#include <nuttx/note/notectl_driver.h>
/****************************************************************************
* Public Functions
@ -56,5 +57,13 @@ int note_register(void)
}
#endif
#ifdef CONFIG_DRIVER_NOTECTL
ret = notectl_register();
if (ret < 0)
{
return ret;
}
#endif
return ret;
}

241
drivers/note/notectl_driver.c Normal file
View File

@ -0,0 +1,241 @@
/****************************************************************************
* drivers/note/notectl_driver.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <errno.h>
#include <nuttx/fs/fs.h>
#include <nuttx/note/notectl_driver.h>
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static int notectl_ioctl(struct file *filep, int cmd, unsigned long arg);
/****************************************************************************
* Private Data
****************************************************************************/
static const struct file_operations notectl_fops =
{
NULL, /* open */
NULL, /* close */
NULL, /* read */
NULL, /* write */
NULL, /* seek */
notectl_ioctl, /* ioctl */
NULL /* poll */
#ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
, 0 /* unlink */
#endif
};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: notectl_ioctl
****************************************************************************/
static int notectl_ioctl(struct file *filep, int cmd, unsigned long arg)
{
int ret = -ENOSYS;
/* Handle the ioctl commands */
switch (cmd)
{
/* NOTECTL_GETMODE
* - Get note filter mode
* Argument: A writable pointer to struct note_filter_mode_s
*/
case NOTECTL_GETMODE:
{
struct note_filter_mode_s *mode = (struct note_filter_mode_s *)arg;
if (mode == NULL)
{
ret = -EINVAL;
}
else
{
sched_note_filter_mode(mode, NULL);
ret = OK;
}
}
break;
/* NOTECTL_SETMODE
* - Set note filter mode
* Argument: A read-only pointer to struct note_filter_mode_s
*/
case NOTECTL_SETMODE:
{
struct note_filter_mode_s *mode = (struct note_filter_mode_s *)arg;
if (mode == NULL)
{
ret = -EINVAL;
}
else
{
sched_note_filter_mode(NULL, mode);
ret = OK;
}
}
break;
#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
/* NOTECTL_GETSYSCALLFILTER
* - Get syscall filter setting
* Argument: A writable pointer to struct note_filter_syscall_s
*/
case NOTECTL_GETSYSCALLFILTER:
{
struct note_filter_syscall_s *filter;
filter = (struct note_filter_syscall_s *)arg;
if (filter == NULL)
{
ret = -EINVAL;
}
else
{
sched_note_filter_syscall(filter, NULL);
ret = OK;
}
}
break;
/* NOTECTL_SETSYSCALLFILTER
* - Set syscall filter setting
* Argument: A read-only pointer to struct note_filter_syscall_s
*/
case NOTECTL_SETSYSCALLFILTER:
{
struct note_filter_syscall_s *filter;
filter = (struct note_filter_syscall_s *)arg;
if (filter == NULL)
{
ret = -EINVAL;
}
else
{
sched_note_filter_syscall(NULL, filter);
ret = OK;
}
}
break;
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
/* NOTECTL_GETIRQFILTER
* - Get IRQ filter setting
* Argument: A writable pointer to struct note_filter_irq_s
*/
case NOTECTL_GETIRQFILTER:
{
struct note_filter_irq_s *filter;
filter = (struct note_filter_irq_s *)arg;
if (filter == NULL)
{
ret = -EINVAL;
}
else
{
sched_note_filter_irq(filter, NULL);
ret = OK;
}
}
break;
/* NOTECTL_SETIRQFILTER
* - Set IRQ filter setting
* Argument: A read-only pointer to struct
* note_filter_irq_s
*/
case NOTECTL_SETIRQFILTER:
{
struct note_filter_irq_s *filter;
filter = (struct note_filter_irq_s *)arg;
if (filter == NULL)
{
ret = -EINVAL;
}
else
{
sched_note_filter_irq(NULL, filter);
ret = OK;
}
}
break;
#endif
default:
break;
}
return ret;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: notectl_register
*
* Description:
* Register a driver at /dev/notectl that can be used by an application to
* control the note filter.
*
* Input Parameters:
* None.
*
* Returned Value:
* Zero on succress. A negated errno value is returned on a failure.
*
****************************************************************************/
int notectl_register(void)
{
return register_driver("/dev/notectl", &notectl_fops, 0666, NULL);
}

6
include/nuttx/fs/ioctl.h
View File

@ -97,6 +97,7 @@
#define _NXTERMBASE (0x2900) /* NxTerm character driver ioctl commands */
#define _RFIOCBASE (0x2a00) /* RF devices ioctl commands */
#define _RPTUNBASE (0x2b00) /* Remote processor tunnel ioctl commands */
#define _NOTECTLBASE (0x2c00) /* Note filter control ioctl commands*/
#define _WLIOCBASE (0x8b00) /* Wireless modules ioctl network commands */
/* boardctl() commands share the same number space */
@ -527,6 +528,11 @@
#define _RPTUNIOCVALID(c) (_IOC_TYPE(c)==_RPTUNBASE)
#define _RPTUNIOC(nr) _IOC(_RPTUNBASE,nr)
/* Notectl drivers **********************************************************/
#define _NOTECTLIOCVALID(c) (_IOC_TYPE(c) == _NOTECTLBASE)
#define _NOTECTLIOC(nr) _IOC(_NOTECTLBASE, nr)
/* Wireless driver network ioctl definitions ********************************/
/* (see nuttx/include/wireless/wireless.h */

116
include/nuttx/note/notectl_driver.h Normal file
View File

@ -0,0 +1,116 @@
/****************************************************************************
* include/nuttx/note/notectl_driver.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __INCLUDE_NUTTX_NOTE_NOTECTL_DRIVER_H
#define __INCLUDE_NUTTX_NOTE_NOTECTL_DRIVER_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdint.h>
#include <nuttx/sched_note.h>
#include <nuttx/fs/ioctl.h>
#ifdef CONFIG_SCHED_INSTRUMENTATION
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* IOCTL Commands ***********************************************************/
/* NOTECTL_GETMODE
* - Get note filter mode
* Argument: A writable pointer to struct note_filter_mode_s
* NOTECTL_SETMODE
* - Set note filter mode
* Argument: A read-only pointer to struct note_filter_mode_s
* NOTECTL_GETSYSCALLFILTER
* - Get syscall filter setting
* Argument: A writable pointer to struct
* note_filter_syscall_s
* NOTECTL_SETSYSCALLFILTER
* - Set syscall filter setting
* Argument: A read-only pointer to struct
* note_filter_syscall_s
* NOTECTL_GETIRQFILTER
* - Get IRQ filter setting
* Argument: A writable pointer to struct
* note_filter_irq_s
* NOTECTL_SETIRQFILTER
* - Set IRQ filter setting
* Argument: A read-only pointer to struct
* note_filter_irq_s
*/
#ifdef CONFIG_DRIVER_NOTECTL
#define NOTECTL_GETMODE _NOTECTLIOC(0x01)
#define NOTECTL_SETMODE _NOTECTLIOC(0x02)
#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
#define NOTECTL_GETSYSCALLFILTER _NOTECTLIOC(0x03)
#define NOTECTL_SETSYSCALLFILTER _NOTECTLIOC(0x04)
#endif
#ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER
#define NOTECTL_GETIRQFILTER _NOTECTLIOC(0x05)
#define NOTECTL_SETIRQFILTER _NOTECTLIOC(0x06)
#endif
#endif
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#if defined(__KERNEL__) || defined(CONFIG_BUILD_FLAT)
/****************************************************************************
* Name: notectl_register
*
* Description:
* Register a driver at /dev/notectl that can be used by an application to
* control the note filter.
*
* Input Parameters:
* None.
*
* Returned Value:
* Zero on succress. A negated errno value is returned on a failure.
*
****************************************************************************/
#ifdef CONFIG_DRIVER_NOTECTL
int notectl_register(void);
#endif
#endif /* defined(__KERNEL__) || defined(CONFIG_BUILD_FLAT) */
#endif /* CONFIG_SCHED_INSTRUMENTATION */
#endif /* __INCLUDE_NUTTX_NOTE_NOTECTL_DRIVER_H */