|
@@ -4,10 +4,6 @@
|
|
|
|
|
|
#include "devfs.h"
|
|
|
|
|
|
-/* introduce from kservice.c */
|
|
|
-#define rt_list_entry(node, type, member) \
|
|
|
- ((type *)((char *)(node) - (unsigned long)(&((type *)0)->member)))
|
|
|
-
|
|
|
struct device_dirent
|
|
|
{
|
|
|
rt_device_t *devices;
|
|
@@ -15,12 +11,12 @@ struct device_dirent
|
|
|
rt_uint16_t device_count;
|
|
|
};
|
|
|
|
|
|
-int dfs_device_fs_mount(struct dfs_filesystem* fs, unsigned long rwflag, const void* data)
|
|
|
+int dfs_device_fs_mount(struct dfs_filesystem *fs, unsigned long rwflag, const void *data)
|
|
|
{
|
|
|
return DFS_STATUS_OK;
|
|
|
}
|
|
|
|
|
|
-int dfs_device_fs_ioctl(struct dfs_fd* file, int cmd, void* args)
|
|
|
+int dfs_device_fs_ioctl(struct dfs_fd *file, int cmd, void *args)
|
|
|
{
|
|
|
rt_err_t result;
|
|
|
rt_device_t dev_id;
|
|
@@ -39,7 +35,7 @@ int dfs_device_fs_ioctl(struct dfs_fd* file, int cmd, void* args)
|
|
|
return -DFS_STATUS_EIO;
|
|
|
}
|
|
|
|
|
|
-int dfs_device_fs_read(struct dfs_fd* file, void *buf, rt_size_t count)
|
|
|
+int dfs_device_fs_read(struct dfs_fd *file, void *buf, rt_size_t count)
|
|
|
{
|
|
|
int result;
|
|
|
rt_device_t dev_id;
|
|
@@ -57,7 +53,7 @@ int dfs_device_fs_read(struct dfs_fd* file, void *buf, rt_size_t count)
|
|
|
return result;
|
|
|
}
|
|
|
|
|
|
-int dfs_device_fs_write(struct dfs_fd* file, const void *buf, rt_size_t count)
|
|
|
+int dfs_device_fs_write(struct dfs_fd *file, const void *buf, rt_size_t count)
|
|
|
{
|
|
|
int result;
|
|
|
rt_device_t dev_id;
|
|
@@ -75,7 +71,7 @@ int dfs_device_fs_write(struct dfs_fd* file, const void *buf, rt_size_t count)
|
|
|
return result;
|
|
|
}
|
|
|
|
|
|
-int dfs_device_fs_close(struct dfs_fd* file)
|
|
|
+int dfs_device_fs_close(struct dfs_fd *file)
|
|
|
{
|
|
|
rt_err_t result;
|
|
|
rt_device_t dev_id;
|
|
@@ -86,7 +82,7 @@ int dfs_device_fs_close(struct dfs_fd* file)
|
|
|
{
|
|
|
struct device_dirent *root_dirent;
|
|
|
|
|
|
- root_dirent = (struct device_dirent*)file->data;
|
|
|
+ root_dirent = (struct device_dirent *)file->data;
|
|
|
RT_ASSERT(root_dirent != RT_NULL);
|
|
|
|
|
|
/* release dirent */
|
|
@@ -103,26 +99,28 @@ int dfs_device_fs_close(struct dfs_fd* file)
|
|
|
if (result == RT_EOK)
|
|
|
{
|
|
|
file->data = RT_NULL;
|
|
|
+
|
|
|
return DFS_STATUS_OK;
|
|
|
}
|
|
|
|
|
|
return -DFS_STATUS_EIO;
|
|
|
}
|
|
|
|
|
|
-int dfs_device_fs_open(struct dfs_fd* file)
|
|
|
+int dfs_device_fs_open(struct dfs_fd *file)
|
|
|
{
|
|
|
rt_device_t device;
|
|
|
|
|
|
- if (file->flags & DFS_O_CREAT) return -DFS_STATUS_EINVAL;
|
|
|
+ if (file->flags & DFS_O_CREAT)
|
|
|
+ return -DFS_STATUS_EINVAL;
|
|
|
|
|
|
/* open root directory */
|
|
|
if ((file->path[0] == '/') && (file->path[1] == '\0') &&
|
|
|
(file->flags & DFS_O_DIRECTORY))
|
|
|
{
|
|
|
- struct rt_object* object;
|
|
|
- struct rt_list_node* node;
|
|
|
+ struct rt_object *object;
|
|
|
+ struct rt_list_node *node;
|
|
|
struct rt_object_information *information;
|
|
|
- struct device_dirent* root_dirent;
|
|
|
+ struct device_dirent *root_dirent;
|
|
|
rt_uint32_t count = 0;
|
|
|
|
|
|
extern struct rt_object_information rt_object_container[];
|
|
@@ -137,7 +135,7 @@ int dfs_device_fs_open(struct dfs_fd* file)
|
|
|
count ++;
|
|
|
}
|
|
|
|
|
|
- root_dirent = (struct device_dirent*) rt_malloc (sizeof(struct device_dirent) +
|
|
|
+ root_dirent = (struct device_dirent *)rt_malloc(sizeof(struct device_dirent) +
|
|
|
count * sizeof(rt_device_t));
|
|
|
if (root_dirent != RT_NULL)
|
|
|
{
|
|
@@ -157,6 +155,7 @@ int dfs_device_fs_open(struct dfs_fd* file)
|
|
|
|
|
|
/* set data */
|
|
|
file->data = root_dirent;
|
|
|
+
|
|
|
return DFS_STATUS_OK;
|
|
|
}
|
|
|
|
|
@@ -165,15 +164,16 @@ int dfs_device_fs_open(struct dfs_fd* file)
|
|
|
return -DFS_STATUS_ENODEV;
|
|
|
|
|
|
file->data = device;
|
|
|
+
|
|
|
return DFS_STATUS_OK;
|
|
|
}
|
|
|
|
|
|
-int dfs_device_fs_stat(struct dfs_filesystem* fs, const char *path, struct stat *st)
|
|
|
+int dfs_device_fs_stat(struct dfs_filesystem *fs, const char *path, struct stat *st)
|
|
|
{
|
|
|
/* stat root directory */
|
|
|
if ((path[0] == '/') && (path[1] == '\0'))
|
|
|
{
|
|
|
- st->st_dev = 0;
|
|
|
+ st->st_dev = 0;
|
|
|
|
|
|
st->st_mode = DFS_S_IFREG | DFS_S_IRUSR | DFS_S_IRGRP | DFS_S_IROTH |
|
|
|
DFS_S_IWUSR | DFS_S_IWGRP | DFS_S_IWOTH;
|
|
@@ -183,6 +183,7 @@ int dfs_device_fs_stat(struct dfs_filesystem* fs, const char *path, struct stat
|
|
|
st->st_size = 0;
|
|
|
st->st_mtime = 0;
|
|
|
st->st_blksize = 512;
|
|
|
+
|
|
|
return DFS_STATUS_OK;
|
|
|
}
|
|
|
else
|
|
@@ -192,7 +193,7 @@ int dfs_device_fs_stat(struct dfs_filesystem* fs, const char *path, struct stat
|
|
|
dev_id = rt_device_find(&path[1]);
|
|
|
if (dev_id != RT_NULL)
|
|
|
{
|
|
|
- st->st_dev = 0;
|
|
|
+ st->st_dev = 0;
|
|
|
|
|
|
st->st_mode = DFS_S_IRUSR | DFS_S_IRGRP | DFS_S_IROTH |
|
|
|
DFS_S_IWUSR | DFS_S_IWGRP | DFS_S_IWOTH;
|
|
@@ -207,6 +208,7 @@ int dfs_device_fs_stat(struct dfs_filesystem* fs, const char *path, struct stat
|
|
|
st->st_size = 0;
|
|
|
st->st_mtime = 0;
|
|
|
st->st_blksize = 512;
|
|
|
+
|
|
|
return DFS_STATUS_OK;
|
|
|
}
|
|
|
}
|
|
@@ -214,19 +216,20 @@ int dfs_device_fs_stat(struct dfs_filesystem* fs, const char *path, struct stat
|
|
|
return -DFS_STATUS_ENOENT;
|
|
|
}
|
|
|
|
|
|
-int dfs_device_fs_getdents(struct dfs_fd* file, struct dirent* dirp, rt_uint32_t count)
|
|
|
+int dfs_device_fs_getdents(struct dfs_fd *file, struct dirent *dirp, rt_uint32_t count)
|
|
|
{
|
|
|
rt_uint32_t index;
|
|
|
rt_object_t object;
|
|
|
- struct dirent* d;
|
|
|
+ struct dirent *d;
|
|
|
struct device_dirent *root_dirent;
|
|
|
|
|
|
- root_dirent = (struct device_dirent*)file->data;
|
|
|
+ root_dirent = (struct device_dirent *)file->data;
|
|
|
RT_ASSERT(root_dirent != RT_NULL);
|
|
|
|
|
|
/* make integer count */
|
|
|
count = (count / sizeof(struct dirent));
|
|
|
- if ( count == 0 ) return -DFS_STATUS_EINVAL;
|
|
|
+ if (count == 0)
|
|
|
+ return -DFS_STATUS_EINVAL;
|
|
|
|
|
|
for (index = 0; index < count && index + root_dirent->read_index < root_dirent->device_count;
|
|
|
index ++)
|
|
@@ -269,8 +272,8 @@ static const struct dfs_filesystem_operation _device_fs =
|
|
|
|
|
|
int devfs_init(void)
|
|
|
{
|
|
|
- /* register rom file system */
|
|
|
- dfs_register(&_device_fs);
|
|
|
+ /* register rom file system */
|
|
|
+ dfs_register(&_device_fs);
|
|
|
|
|
|
return 0;
|
|
|
}
|