diff options
| -rw-r--r-- | qdf/inc/qdf_debugfs.h | 60 | ||||
| -rw-r--r-- | qdf/linux/src/i_qdf_debugfs.h | 36 | ||||
| -rw-r--r-- | qdf/linux/src/qdf_debugfs.c | 54 |
3 files changed, 150 insertions, 0 deletions
diff --git a/qdf/inc/qdf_debugfs.h b/qdf/inc/qdf_debugfs.h new file mode 100644 index 000000000000..339e5ac84e04 --- /dev/null +++ b/qdf/inc/qdf_debugfs.h @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2017 The Linux Foundation. All rights reserved. + * + * Permission to use, copy, modify, and/or distribute this software for + * any purpose with or without fee is hereby granted, provided that the + * above copyright notice and this permission notice appear in all + * copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL + * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE + * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR + * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/** + * DOC: qdf_debugfs.h + * This file provides OS abstraction for debug filesystem APIs. + */ + +#ifndef _QDF_DEBUGFS_H +#define _QDF_DEBUGFS_H + +#include <qdf_status.h> +#include <i_qdf_debugfs.h> + +#ifdef WLAN_DEBUGFS +/** + * qdf_debugfs_init() - initialize debugfs + * + * Return: QDF_STATUS + */ +QDF_STATUS qdf_debugfs_init(void); + +/** + * qdf_debugfs_exit() - cleanup debugfs + * + * Return: QDF_STATUS + */ +QDF_STATUS qdf_debugfs_exit(void); + +#else + +static inline QDF_STATUS qdf_debugfs_init(void) +{ + return QDF_STATUS_E_NOSUPPORT; +} + +static inline QDF_STATUS qdf_debugfs_exit(void) +{ + return QDF_STATUS_E_NOSUPPORT; +} + +#endif /* WLAN_DEBUGFS */ +#endif /* _QDF_DEBUGFS_H */ + + diff --git a/qdf/linux/src/i_qdf_debugfs.h b/qdf/linux/src/i_qdf_debugfs.h new file mode 100644 index 000000000000..4f64484a3cdf --- /dev/null +++ b/qdf/linux/src/i_qdf_debugfs.h @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2017 The Linux Foundation. All rights reserved. + * + * Permission to use, copy, modify, and/or distribute this software for + * any purpose with or without fee is hereby granted, provided that the + * above copyright notice and this permission notice appear in all + * copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL + * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE + * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR + * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/** + * DOC: qdf_debugfs.h + * Linux specific implementation for debug filesystem APIs. + */ + + +#ifndef _I_QDF_DEBUGFS_H +#define _I_QDF_DEBUGFS_H + +#include <linux/fs.h> +#include <linux/debugfs.h> + +#ifdef WLAN_DEBUGFS + +struct dentry *qdf_debugfs_get_root(void); + +#endif /* WLAN_DEBUGFS */ +#endif /* _I_QDF_DEBUGFS_H */ diff --git a/qdf/linux/src/qdf_debugfs.c b/qdf/linux/src/qdf_debugfs.c new file mode 100644 index 000000000000..4a8bb9d7ca2d --- /dev/null +++ b/qdf/linux/src/qdf_debugfs.c @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2017 The Linux Foundation. All rights reserved. + * + * Permission to use, copy, modify, and/or distribute this software for + * any purpose with or without fee is hereby granted, provided that the + * above copyright notice and this permission notice appear in all + * copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL + * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE + * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR + * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/** + * DOC: qdf_debugfs + * This file provides QDF debug file system APIs + */ + +#include <qdf_debugfs.h> +#include <i_qdf_debugfs.h> + +/* entry for root debugfs directory*/ +static struct dentry *qdf_debugfs_root; + +QDF_STATUS qdf_debugfs_init(void) +{ + qdf_debugfs_root = debugfs_create_dir(KBUILD_MODNAME"_qdf", NULL); + + if (!qdf_debugfs_root) + return QDF_STATUS_E_FAILURE; + + return QDF_STATUS_SUCCESS; +} +EXPORT_SYMBOL(qdf_debugfs_init); + +QDF_STATUS qdf_debugfs_exit(void) +{ + debugfs_remove_recursive(qdf_debugfs_root); + qdf_debugfs_root = NULL; + + return QDF_STATUS_SUCCESS; +} +EXPORT_SYMBOL(qdf_debugfs_exit); + +struct dentry *qdf_debugfs_get_root(void) +{ + return qdf_debugfs_root; +} + |