1 /*
2 * sr.h by David Giller
3 * CD-ROM disk driver header file
4 *
5 * adapted from:
6 * sd.h Copyright (C) 1992 Drew Eckhardt
7 * SCSI disk driver header file by
8 * Drew Eckhardt
9 *
10 * <drew@colorado.edu>
11 *
12 * Modified by Eric Youngdale eric@tantalus.nrl.navy.mil to
13 * add scatter-gather, multiple outstanding request, and other
14 * enhancements.
15 */
16
17 #ifndef _SR_H
18 #define _SR_H
19
20 #include "scsi.h"
21
22 typedef struct
23 {
24 unsigned capacity; /* size in blocks */
25 unsigned sector_size; /* size in bytes */
26 Scsi_Device *device;
27 unsigned long mpcd_sector; /* for reading multisession-CD's */
28 char xa_flags; /* some flags for handling XA-CD's */
29 unsigned char sector_bit_size; /* sector size = 2^sector_bit_size */
30 unsigned char sector_bit_shift; /* sectors/FS block = 2^sector_bit_shift*/
31 unsigned needs_sector_size:1; /* needs to get sector size */
32 unsigned ten:1; /* support ten byte commands */
33 unsigned remap:1; /* support remapping */
34 unsigned use:1; /* is this device still supportable */
35 unsigned auto_eject:1; /* auto-eject medium on last release. */
36 } Scsi_CD;
37
38 extern Scsi_CD * scsi_CDs;
39
40 #endif