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qcacmn: Add QDF file permissions

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Add file permissions and a function to map that to Linux OS. Also
define a type for __qdf_dentry_t and __qdf_debugfs_file_t.

Change-Id: I91b293b262d955324e65157909ca9d3b831e2cf6
CRs-Fixed: 2097140
This commit is contained in:
Mahesh Kumar Kalikot Veetil
2017-07-27 13:01:40 -07:00
committed by snandini
parent 61cb97c58e
commit 164ecb724a
3 changed files with 54 additions and 0 deletions
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11
qdf/inc/qdf_debugfs.h
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@@ -28,6 +28,17 @@
#include <i_qdf_debugfs.h> #include <i_qdf_debugfs.h>
#ifdef WLAN_DEBUGFS #ifdef WLAN_DEBUGFS
/* qdf file modes */
#define QDF_FILE_USR_READ 00400
#define QDF_FILE_USR_WRITE 00200
#define QDF_FILE_GRP_READ 00040
#define QDF_FILE_GRP_WRITE 00020
#define QDF_FILE_OTH_READ 00004
#define QDF_FILE_OTH_WRITE 00002
/** /**
* qdf_debugfs_init() - initialize debugfs * qdf_debugfs_init() - initialize debugfs
* *

22
qdf/linux/src/i_qdf_debugfs.h
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@@ -28,9 +28,31 @@
#include <linux/fs.h> #include <linux/fs.h>
#include <linux/debugfs.h> #include <linux/debugfs.h>
typedef struct dentry *__qdf_dentry_t;
typedef struct seq_file *__qdf_debugfs_file_t;
#ifdef WLAN_DEBUGFS #ifdef WLAN_DEBUGFS
/**
* qdf_debugfs_get_root() - get debugfs root
*
* Return: dentry * or NULL in case of failure
*/
struct dentry *qdf_debugfs_get_root(void); struct dentry *qdf_debugfs_get_root(void);
/**
* qdf_debugfs_get_filemode() - get Linux specific file mode
* @mode: This is a bitmap of file modes,
* QDF_FILE_USR_READ
* QDF_FILE_USR_WRITE
* QDF_FILE_OTH_READ
* QDF_FILE_OTH_WRITE
* QDF_FILE_GRP_READ
* QDF_FILE_GRP_WRITE
*
* Return: Linux specific file mode
*/
umode_t qdf_debugfs_get_filemode(uint16_t mode);
#endif /* WLAN_DEBUGFS */ #endif /* WLAN_DEBUGFS */
#endif /* _I_QDF_DEBUGFS_H */ #endif /* _I_QDF_DEBUGFS_H */

21
qdf/linux/src/qdf_debugfs.c
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@@ -52,3 +52,24 @@ struct dentry *qdf_debugfs_get_root(void)
return qdf_debugfs_root; return qdf_debugfs_root;
} }
umode_t qdf_debugfs_get_filemode(uint16_t mode)
{
umode_t ret = 0;
if (mode & QDF_FILE_USR_READ)
ret |= 0400;
if (mode & QDF_FILE_USR_WRITE)
ret |= 0200;
if (mode & QDF_FILE_GRP_READ)
ret |= 0040;
if (mode & QDF_FILE_GRP_WRITE)
ret |= 0020;
if (mode & QDF_FILE_OTH_READ)
ret |= 0004;
if (mode & QDF_FILE_OTH_WRITE)
ret |= 0002;
return ret;
}