Subversion Repositories HelenOS

Rev

Rev 3386 | Rev 4581 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 3386 Rev 4153
Line 31... Line 31...
31 
 */
 31 
 */
32 
 
 32 
 
33 
#ifndef FAT_FAT_H_
 33 
#ifndef FAT_FAT_H_
34 
#define FAT_FAT_H_
 34 
#define FAT_FAT_H_
35 
 
 35 
 
- 
 
 36 
#include "fat_fat.h"
36 
#include <ipc/ipc.h>
 37 
#include <ipc/ipc.h>
37 
#include <libfs.h>
 38 
#include <libfs.h>
38 
#include <atomic.h>
 39 
#include <atomic.h>
39 
#include <sys/types.h>
 40 
#include <sys/types.h>
40 
#include <bool.h>
 41 
#include <bool.h>
Line 42... Line 43...
42 
 
 43 
 
43 
#ifndef dprintf
 44 
#ifndef dprintf
44 
#define dprintf(...)    printf(__VA_ARGS__)
 45 
#define dprintf(...)    printf(__VA_ARGS__)
45 
#endif
 46 
#endif
46 
 
 47 
 
- 
 
 48 
#define min(a, b)       ((a) < (b) ? (a) : (b))
- 
 
 49 
 
- 
 
 50 
#define BS_BLOCK        0
- 
 
 51 
#define BS_SIZE         512
- 
 
 52 
 
47 
typedef struct {
 53 
typedef struct fat_bs {
48 
    uint8_t     ji[3];      /**< Jump instruction. */
 54 
    uint8_t     ji[3];      /**< Jump instruction. */
49 
    uint8_t     oem_name[8];
 55 
    uint8_t     oem_name[8];
50 
    /* BIOS Parameter Block */
 56 
    /* BIOS Parameter Block */
51 
    uint16_t    bps;        /**< Bytes per sector. */
 57 
    uint16_t    bps;        /**< Bytes per sector. */
52 
    uint8_t     spc;        /**< Sectors per cluster. */
 58 
    uint8_t     spc;        /**< Sectors per cluster. */
Line 113... Line 119...
113 
            uint16_t    signature;
 119 
            uint16_t    signature;
114 
        } __attribute__ ((packed));
 120 
        } __attribute__ ((packed));
115 
    };
 121 
    };
116 
} __attribute__ ((packed)) fat_bs_t;
 122 
} __attribute__ ((packed)) fat_bs_t;
117 
 
 123 
 
118 
#define FAT_ATTR_RDONLY     (1 << 0)
 - 
 
119 
#define FAT_ATTR_VOLLABEL   (1 << 3)
 - 
 
120 
#define FAT_ATTR_SUBDIR     (1 << 4)
 - 
 
121 
 
 - 
 
122 
typedef struct {
 - 
 
123 
    uint8_t     name[8];
 - 
 
124 
    uint8_t     ext[3];
 - 
 
125 
    uint8_t     attr;
 - 
 
126 
    uint8_t     reserved;
 - 
 
127 
    uint8_t     ctime_fine;
 - 
 
128 
    uint16_t    ctime;
 - 
 
129 
    uint16_t    cdate;
 - 
 
130 
    uint16_t    adate;
 - 
 
131 
    union {
 - 
 
132 
        uint16_t    eaidx;      /* FAT12/FAT16 */
 - 
 
133 
        uint16_t    firstc_hi;  /* FAT32 */
 - 
 
134 
    };
 - 
 
135 
    uint16_t    mtime;
 - 
 
136 
    uint16_t    mdate;
 - 
 
137 
    union {
 - 
 
138 
        uint16_t    firstc;     /* FAT12/FAT16 */
 - 
 
139 
        uint16_t    firstc_lo;  /* FAT32 */
 - 
 
140 
    };
 - 
 
141 
    uint32_t    size;
 - 
 
142 
} __attribute__ ((packed)) fat_dentry_t;
 - 
 
143 
 
 - 
 
144 
typedef uint16_t fat_cluster_t;
 - 
 
145 
 
 - 
 
146 
typedef enum {
 124 
typedef enum {
147 
    FAT_INVALID,
 125 
    FAT_INVALID,
148 
    FAT_DIRECTORY,
 126 
    FAT_DIRECTORY,
149 
    FAT_FILE
 127 
    FAT_FILE
150 
} fat_node_type_t;
 128 
} fat_node_type_t;
Line 221... Line 199...
221 
 
 199 
 
222 
extern void fat_mounted(ipc_callid_t, ipc_call_t *);
 200 
extern void fat_mounted(ipc_callid_t, ipc_call_t *);
223 
extern void fat_mount(ipc_callid_t, ipc_call_t *);
 201 
extern void fat_mount(ipc_callid_t, ipc_call_t *);
224 
extern void fat_lookup(ipc_callid_t, ipc_call_t *);
 202 
extern void fat_lookup(ipc_callid_t, ipc_call_t *);
225 
extern void fat_read(ipc_callid_t, ipc_call_t *);
 203 
extern void fat_read(ipc_callid_t, ipc_call_t *);
- 
 
 204 
extern void fat_write(ipc_callid_t, ipc_call_t *);
- 
 
 205 
extern void fat_truncate(ipc_callid_t, ipc_call_t *);
- 
 
 206 
extern void fat_destroy(ipc_callid_t, ipc_call_t *);
226 
 
 207 
 
- 
 
 208 
extern fat_idx_t *fat_idx_get_new(dev_handle_t);
227 
extern fat_idx_t *fat_idx_get_by_pos(dev_handle_t, fat_cluster_t, unsigned);
 209 
extern fat_idx_t *fat_idx_get_by_pos(dev_handle_t, fat_cluster_t, unsigned);
228 
extern fat_idx_t *fat_idx_get_by_index(dev_handle_t, fs_index_t);
 210 
extern fat_idx_t *fat_idx_get_by_index(dev_handle_t, fs_index_t);
- 
 
 211 
extern void fat_idx_destroy(fat_idx_t *);
- 
 
 212 
extern void fat_idx_hashin(fat_idx_t *);
- 
 
 213 
extern void fat_idx_hashout(fat_idx_t *);
229 
 
 214 
 
230 
extern int fat_idx_init(void);
 215 
extern int fat_idx_init(void);
231 
extern void fat_idx_fini(void);
 216 
extern void fat_idx_fini(void);
232 
extern int fat_idx_init_by_dev_handle(dev_handle_t);
 217 
extern int fat_idx_init_by_dev_handle(dev_handle_t);
233 
extern void fat_idx_fini_by_dev_handle(dev_handle_t);
 218 
extern void fat_idx_fini_by_dev_handle(dev_handle_t);