fs/fs.h

   1 #include <inc/fs.h>
   2 #include <inc/lib.h>
   3
   4 #define SECTSIZE        512                     // bytes per disk sector
   5 #define BLKSECTS        (BLKSIZE / SECTSIZE)    // sectors per block
   6
   7 /* Disk block n, when in memory, is mapped into the file system
   8  * server's address space at DISKMAP + (n*BLKSIZE). */
   9 #define DISKMAP         0x10000000
  10
  11 /* Maximum disk size we can handle (3GB) */
  12 #define DISKSIZE        0xC0000000
  13
  14 /* ide.c */
  15 bool    ide_probe_disk1(void);
  16 void    ide_set_disk(int diskno);
  17 int     ide_read(uint32_t secno, void *dst, size_t nsecs);
  18 int     ide_write(uint32_t secno, const void *src, size_t nsecs);
  19
  20 /* fs.c */
  21 int     file_create(const char *path, struct File **f);
  22 int     file_open(const char *path, struct File **f);
  23 int     file_get_block(struct File *f, uint32_t file_blockno, char **pblk);
  24 int     file_set_size(struct File *f, off_t newsize);
  25 void    file_flush(struct File *f);
  26 void    file_close(struct File *f);
  27 int     file_remove(const char *path);
  28 void    fs_init(void);
  29 int     file_dirty(struct File *f, off_t offset);
  30 void    fs_sync(void);
  31
  32 extern uint32_t *bitmap;
  33 int     map_block(uint32_t);
  34 int     alloc_block(void);
  35
  36 /* test.c */
  37 void    fs_test(void);
  38