diff options
Diffstat (limited to 'libblkid-tiny/blkdev.h')
| -rw-r--r-- | libblkid-tiny/blkdev.h | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/libblkid-tiny/blkdev.h b/libblkid-tiny/blkdev.h deleted file mode 100644 index 6b18879..0000000 --- a/libblkid-tiny/blkdev.h +++ /dev/null @@ -1,113 +0,0 @@ -#ifndef BLKDEV_H -#define BLKDEV_H - -#include <sys/types.h> -#include <sys/ioctl.h> -#ifdef HAVE_SYS_IOCCOM_H -# include <sys/ioccom.h> /* for _IO macro on e.g. Solaris */ -#endif -#include <fcntl.h> -#include <unistd.h> - -#ifdef HAVE_SYS_MKDEV_H -# include <sys/mkdev.h> /* major and minor on Solaris */ -#endif - -#define DEFAULT_SECTOR_SIZE 512 - -#ifdef __linux__ -/* very basic ioclts, should be available everywhere */ -# ifndef BLKROSET -# define BLKROSET _IO(0x12,93) /* set device read-only (0 = read-write) */ -# define BLKROGET _IO(0x12,94) /* get read-only status (0 = read_write) */ -# define BLKRRPART _IO(0x12,95) /* re-read partition table */ -# define BLKGETSIZE _IO(0x12,96) /* return device size /512 (long *arg) */ -# define BLKFLSBUF _IO(0x12,97) /* flush buffer cache */ -# define BLKRASET _IO(0x12,98) /* set read ahead for block device */ -# define BLKRAGET _IO(0x12,99) /* get current read ahead setting */ -# define BLKFRASET _IO(0x12,100) /* set filesystem (mm/filemap.c) read-ahead */ -# define BLKFRAGET _IO(0x12,101) /* get filesystem (mm/filemap.c) read-ahead */ -# define BLKSECTSET _IO(0x12,102) /* set max sectors per request (ll_rw_blk.c) */ -# define BLKSECTGET _IO(0x12,103) /* get max sectors per request (ll_rw_blk.c) */ -# define BLKSSZGET _IO(0x12,104) /* get block device sector size */ - -/* ioctls introduced in 2.2.16, removed in 2.5.58 */ -# define BLKELVGET _IOR(0x12,106,size_t) /* elevator get */ -# define BLKELVSET _IOW(0x12,107,size_t) /* elevator set */ - -# define BLKBSZGET _IOR(0x12,112,size_t) -# define BLKBSZSET _IOW(0x12,113,size_t) -# endif /* !BLKROSET */ - -# ifndef BLKGETSIZE64 -# define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size in bytes (u64 *arg) */ -# endif - -/* block device topology ioctls, introduced in 2.6.32 (commit ac481c20) */ -# ifndef BLKIOMIN -# define BLKIOMIN _IO(0x12,120) -# define BLKIOOPT _IO(0x12,121) -# define BLKALIGNOFF _IO(0x12,122) -# define BLKPBSZGET _IO(0x12,123) -# endif - -/* discard zeroes support, introduced in 2.6.33 (commit 98262f27) */ -# ifndef BLKDISCARDZEROES -# define BLKDISCARDZEROES _IO(0x12,124) -# endif - -/* filesystem freeze, introduced in 2.6.29 (commit fcccf502) */ -# ifndef FIFREEZE -# define FIFREEZE _IOWR('X', 119, int) /* Freeze */ -# define FITHAW _IOWR('X', 120, int) /* Thaw */ -# endif - -#endif /* __linux */ - -#ifdef APPLE_DARWIN -# define BLKGETSIZE DKIOCGETBLOCKCOUNT32 -#endif - -#ifndef HDIO_GETGEO -# ifdef __linux__ -# define HDIO_GETGEO 0x0301 -# endif - -/* uniform CD-ROM information */ -#ifndef CDROM_GET_CAPABILITY -# define CDROM_GET_CAPABILITY 0x5331 -#endif - -struct hd_geometry { - unsigned char heads; - unsigned char sectors; - unsigned short cylinders; /* truncated */ - unsigned long start; -}; -#endif - -/* are we working with block device? */ -int is_blkdev(int fd); - -/* Determine size in bytes */ -off_t blkdev_find_size (int fd); - -/* get size in bytes */ -int blkdev_get_size(int fd, unsigned long long *bytes); - -/* get 512-byte sector count */ -int blkdev_get_sectors(int fd, unsigned long long *sectors); - -/* get hardware sector size */ -int blkdev_get_sector_size(int fd, int *sector_size); - -/* specifies whether or not the device is misaligned */ -int blkdev_is_misaligned(int fd); - -/* get physical block device size */ -int blkdev_get_physector_size(int fd, int *sector_size); - -/* is the device cdrom capable? */ -int blkdev_is_cdrom(int fd); - -#endif /* BLKDEV_H */ |