/* * sr.h by David Giller * CD-ROM disk driver header file * * adapted from: * sd.h Copyright (C) 1992 Drew Eckhardt * SCSI disk driver header file by * Drew Eckhardt * * * * Modified by Eric Youngdale eric@tantalus.nrl.navy.mil to * add scatter-gather, multiple outstanding request, and other * enhancements. */ #ifndef _SR_H #define _SR_H #include "scsi.h" typedef struct { unsigned capacity; /* size in blocks */ unsigned sector_size; /* size in bytes */ Scsi_Device *device; unsigned long mpcd_sector; /* for reading multisession-CD's */ char xa_flags; /* some flags for handling XA-CD's */ unsigned char sector_bit_size; /* sector size = 2^sector_bit_size */ unsigned char sector_bit_shift; /* sectors/FS block = 2^sector_bit_shift*/ unsigned needs_sector_size:1; /* needs to get sector size */ unsigned ten:1; /* support ten byte commands */ unsigned remap:1; /* support remapping */ unsigned use:1; /* is this device still supportable */ } Scsi_CD; extern Scsi_CD * scsi_CDs; #endif