Subversion Repositories HelenOS

Rev

Rev 3653 | Rev 4010 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 3653 Rev 3845
Line 45... Line 45...
45 
 
 45 
 
46 
#define dprintf(...)
 46 
#define dprintf(...)
47 
 
 47 
 
48 
#define VFS_FIRST   IPC_FIRST_USER_METHOD
 48 
#define VFS_FIRST   IPC_FIRST_USER_METHOD
49 
 
 49 
 
50 
#define IPC_METHOD_TO_VFS_OP(m) ((m) - VFS_FIRST)  
- 
 
51 
 
 - 
 
52 
/* Basic types. */
 50 
/* Basic types. */
53 
typedef int16_t fs_handle_t;
 51 
typedef int16_t fs_handle_t;
54 
typedef int16_t dev_handle_t;
 52 
typedef int16_t dev_handle_t;
55 
typedef uint32_t fs_index_t;
 53 
typedef uint32_t fs_index_t;
56 
 
 54 
 
Line 79... Line 77...
79 
    VFS_UNLINK,
 77 
    VFS_UNLINK,
80 
    VFS_RENAME,
 78 
    VFS_RENAME,
81 
    VFS_LAST_SRV,   /* keep this the last member of this enum */
 79 
    VFS_LAST_SRV,   /* keep this the last member of this enum */
82 
} vfs_request_srv_t;
 80 
} vfs_request_srv_t;
83 
 
 81 
 
84 
 
 - 
 
85 
/**
 - 
 
86 
 * An instance of this structure is associated with a particular FS operation.
 - 
 
87 
 * It tells VFS if the FS supports the operation or maybe if a default one
 - 
 
88 
 * should be used.
 - 
 
89 
 */
 - 
 
90 
typedef enum {
 - 
 
91 
    VFS_OP_NULL = 0,
 - 
 
92 
    VFS_OP_DEFAULT,
 - 
 
93 
    VFS_OP_DEFINED
 - 
 
94 
} vfs_op_t;
 - 
 
95 
 
 - 
 
96 
#define FS_NAME_MAXLEN  20
 82 
#define FS_NAME_MAXLEN  20
97 
 
 83 
 
98 
/**
 84 
/**
99 
 * A structure like this is passed to VFS by each individual FS upon its
 85 
 * A structure like this is passed to VFS by each individual FS upon its
100 
 * registration. It assosiates a human-readable identifier with each
 86 
 * registration. It assosiates a human-readable identifier with each
101 
 * registered FS. More importantly, through this structure, the FS announces
 - 
 
102 
 * what operations it supports.
 87 
 * registered FS.
103 
 */
 88 
 */
104 
typedef struct {
 89 
typedef struct {
105 
    /** Unique identifier of the fs. */
 90 
    /** Unique identifier of the fs. */
106 
    char name[FS_NAME_MAXLEN + 1];
 91 
    char name[FS_NAME_MAXLEN + 1];
107 
   
 - 
 
108 
    /** Operations. */
 - 
 
109 
    vfs_op_t ops[VFS_LAST_CLNT - VFS_FIRST];
 - 
 
110 
} vfs_info_t;
 92 
} vfs_info_t;
111 
 
 93 
 
112 
/**
 94 
/**
113 
 * A structure like this will be allocated for each registered file system.
 95 
 * A structure like this will be allocated for each registered file system.
114 
 */
 96 
 */