linux-imx

#define MAX_WRITE_RETRIES 0

#define MAX_READY_RETRIES 0

#define NO_TAPE  NOT_READY

​

#define ST_TIMEOUT (900 * HZ)

#define ST_LONG_TIMEOUT (14000 * HZ)

​

/* Remove mode bits and auto-rewind bit (7) */

#define TAPE_NR(x) ( ((iminor(x) & ~255) >> (ST_NBR_MODE_BITS + 1)) | \

#define TAPE_MODE(x) ((iminor(x) & ST_MODE_MASK) >> ST_MODE_SHIFT)

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/* Construct the minor number from the device (d), mode (m), and non-rewind (n) data */

#define TAPE_MINOR(d, m, n) (((d & ~(255 >> (ST_NBR_MODE_BITS + 1))) << (ST_NBR_MODE_BITS + 1)) | \

  (d & (255 >> (ST_NBR_MODE_BITS + 1))) | (m << ST_MODE_SHIFT) | ((n != 0) << 7) )

​

/* Internal ioctl to set both density (uppermost 8 bits) and blocksize (lower

   24 bits) */

#define SET_DENS_AND_BLK 0x10001

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