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hdparm.h

/* Some prototypes for extern functions. */

#include <linux/types.h>

#if !defined(__GNUC__) && !defined(__attribute__)
#define __attribute__(x)
#endif

void identify (__u16 *id_supplied);
void usage_error(int out) __attribute__((noreturn));
void no_scsi (void);
void no_xt (void);
void process_dev (char *devname);
int sysfs_get_attr (int fd, const char *attr, const char *fmt, void *val1, void *val2, int verbose);
int sysfs_set_attr (int fd, const char *attr, const char *fmt, void *val_p, int verbose);
int get_dev_geometry (int fd, __u32 *cyls, __u32 *heads, __u32 *sects, __u64 *start_lba, __u64 *nsectors);
int get_dev_t_geometry (dev_t dev, __u32 *cyls, __u32 *heads, __u32 *sects, __u64 *start_lba, __u64 *nsectors);
int do_fibmap(const char *file_name, __u64 target_sect, __u64 *target_lba);


00021 struct local_hd_big_geometry {
       unsigned char    heads;
       unsigned char    sectors;
       unsigned int     cylinders;
       unsigned long    start;
};

00028 struct local_hd_geometry {
      unsigned char     heads;
      unsigned char     sectors;
      unsigned short    cylinders;
      unsigned long     start;            /* mmm.. on 32-bit, this limits us to LBA32, 2TB max offset */
};

enum {      /* ioctl() numbers */
      HDIO_DRIVE_CMD          = 0x031f,
      HDIO_DRIVE_RESET  = 0x031c,
      HDIO_DRIVE_TASK         = 0x031e,
      HDIO_DRIVE_TASKFILE     = 0x031d,
      HDIO_GETGEO       = 0x0301,
      HDIO_GETGEO_BIG         = 0x0330,
      HDIO_GET_32BIT          = 0x0309,
      HDIO_GET_ACOUSTIC = 0x030f,
      HDIO_GET_BUSSTATE = 0x031a,
      HDIO_GET_DMA            = 0x030b,
      HDIO_GET_IDENTITY = 0x030d,
      HDIO_GET_KEEPSETTINGS   = 0x0308,
      HDIO_GET_MULTCOUNT      = 0x0304,
      HDIO_GET_NOWERR         = 0x030a,
      HDIO_GET_QDMA           = 0x0305,
      HDIO_GET_UNMASKINTR     = 0x0302,
      HDIO_OBSOLETE_IDENTITY  = 0x0307,
      HDIO_SCAN_HWIF          = 0x0328,
      HDIO_SET_32BIT          = 0x0324,
      HDIO_SET_ACOUSTIC = 0x032c,
      HDIO_SET_BUSSTATE = 0x032d,
      HDIO_SET_DMA            = 0x0326,
      HDIO_SET_KEEPSETTINGS   = 0x0323,
      HDIO_SET_MULTCOUNT      = 0x0321,
      HDIO_SET_NOWERR         = 0x0325,
      HDIO_SET_PIO_MODE = 0x0327,
      HDIO_SET_QDMA           = 0x032e,
      HDIO_SET_UNMASKINTR     = 0x0322,
      HDIO_SET_WCACHE         = 0x032b,
      HDIO_TRISTATE_HWIF      = 0x031b,
      HDIO_UNREGISTER_HWIF    = 0x032a,
      CDROM__SPEED            = 0x5322,
};

/* Some systems define BLKGETSIZE64 with a "u64" arg,
 * but without supplying a typedef for u64.
 * The only real workaround here is to define it locally,
 * instead of using the system def from <linux/fs.h>
 */
#ifdef BLKGETSIZE64
#undef BLKGETSIZE64
#endif
#define BLKGETSIZE64 _IOR(0x12,114,__u64)


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