#ifndef HAD_SC_DA_H#define HAD_SC_DA_H/*  da.h -- functions for direct access devices  Copyright (C) 1996 Dieter Baron and Armin Obersteiner  This file is part of libscsi, a library for direct scsi device access  The authors can be contacted at	<dillo@giga.or.at>	<armin.obersteiner@giga.or.at>  This program is free software; you can redistribute it and/or modify  it under the terms of the GNU General Public License as published by  the Free Software Foundation; either version 2 of the License, or  (at your option) any later version.  This program is distributed in the hope that it will be useful,  but WITHOUT ANY WARRANTY; without even the implied warranty of  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  GNU General Public License for more details.  You should have received a copy of the GNU General Public License  along with this program; if not, write to the Free Software  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.*/#include <scsi/scsi.h>/* mode pages */#define SC_MODE_DA_CACHE  0x08struct sc_mode_da_cache {#if SC_BIGENDIAN    u_char ps:1, :1, pc:6;#else    u_char pc:6, :1, ps:1;#endif    u_char length;#if SC_BIGENDIAN    u_char :5, wce:1, mf:1, rcd:1;    u_char drrp:4, wrp:4;#else    u_char rcd:1, mf:1, wce:1, :5;    u_char wrp:4, drrp:4;#endif    u_char dptl[2];	/* disable pre-fetch transfer length	*/    u_char minp[2];	/* minimum pre-fetch			*/    u_char maxp[2];	/* maximum pre-fetch			*/    u_char maxpc[2];	/* maximum pre-fetch ceiling		*/};#define SC_MODE_DA_FLEXIBLE_DISK  0x05struct sc_mode_da_flexible_disk {#if SC_BIGENDIAN    u_char ps:1, :1, pc:6;#else    u_char pc:6, :1, ps:1;#endif    u_char length;    u_char tr[2];	/* transfer rate				*/    u_char noh;		/* number of heads				*/    u_char spt;		/* sectors per track				*/    u_char dbps[2];	/* data bytes per sector			*/    u_char noc[2];	/* number of cylinders				*/    u_char scwp[2];	/* starting cylinder-write precompensation	*/    u_char scrwc[2];	/* starting cylinder-reduced write current	*/    u_char dsr[2];	/* drive step rate				*/    u_char dspw;	/* drive step pulse width			*/    u_char hsd[2];	/* head settle delay				*/    u_char mond;	/* motor on delay 				*/    u_char moffd;	/* motor off delay				*/#if SC_BIGENDIAN    u_char trdy:1, ssn:1, mo:1, :5;    u_char :4, spc:4;#else    u_char :5, mo:1, ssn:1, trdy:1;    u_char spc:4, :4;#endif    u_char wc;		/* write compensation				*/    u_char hld;		/* head load delay				*/    u_char hud;		/* head unload delay				*/#if SC_BIGENDIAN    u_char pin34:4, pin2:4;    u_char pin4:4, pin1:4;#else    u_char pin2:4, pin34:4;    u_char pin1:4, pin4:4;#endif    u_char mrr[2];	/* medium rotation rate				*/    u_char r30[2];};#define SC_MODE_DA_FORMAT_DEVICE  0x03struct sc_mode_da_format_device {#if SC_BIGENDIAN    u_char ps:1, :1, pc:6;#else    u_char pc:6, :1, ps:1;#endif    u_char length;    u_char tpz[2];	/* track per zone			*/    u_char aspz[2];	/* alternate sectors per zone		*/    u_char atpz[2];	/* alternate tracks per zone		*/    u_char atplu[2];	/* alternate tracks per logical unit	*/    u_char spt[2];	/* sectors per track			*/    u_char dbpps[2];	/* data bytes per physical sector	*/    u_char interleave[2];    u_char tsf[2];	/* track skew factor			*/    u_char csf[2];	/* cylinder skew factor			*/#if SC_BIGENDIAN    u_char ssec:1, hsec:1, rmb:1, surf:1, :4;#else    u_char :4, surf:1, rmb:1, hsec:1, ssec:1;#endif    u_char r21[3];};int sc_da_format_unit(SCSI *fd, u_long interleave);int sc_da_lock_unlock_cache(SCSI *fd, u_long lba, u_short nob);int sc_da_prefetch(SCSI *fd, int immed, u_long lba, u_short tl);int sc_da_read10(SCSI *fd, u_long lba, u_short tl, size_t len, u_char *data);int sc_cd_read_capacity(SCSI *fd, u_long *lba, u_long *bl, int pmi);int sc_da_write6(SCSI *fd, u_long lba, u_char tl, size_t len, u_char *data);int sc_da_write10(SCSI *fd, u_long lba, u_short tl, size_t len, u_char *data);int sc_da_rezero_unit(SCSI *fd);int sc_da_prevent_allow_medium_removal(SCSI *fd, int flag);int sc_da_synchronize_cache(SCSI *fd, int imm, u_long lba, u_short nob);int sc_da_start_stop_unit(SCSI *fd, int imm, int loej, int start);#endif /* da.h */