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cdvar.h revision 1.31.24.1 
      1 /*	$NetBSD: cdvar.h,v 1.31.24.1 2015/06/06 14:40:13 skrll Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1997 Manuel Bouyer.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #include <sys/rndsource.h>
     28 
     29 #define	CDRETRIES	4
     30 
     31 struct cd_softc {
     32 	device_t sc_dev;
     33 	struct disk sc_dk;
     34 	kmutex_t sc_lock;
     35 
     36 	int flags;
     37 #define	CDF_WLABEL	0x04		/* label is writable */
     38 #define	CDF_LABELLING	0x08		/* writing label */
     39 #define	CDF_ANCIENT	0x10		/* disk is ancient; for minphys */
     40 
     41 	struct scsipi_periph *sc_periph;
     42 
     43 	struct cd_parms {
     44 		u_int blksize;
     45 		u_long disksize;	/* total number sectors */
     46 		u_long disksize512;	/* total number sectors */
     47 	} params;
     48 
     49 	struct bufq_state *buf_queue;
     50 	struct callout sc_callout;
     51 
     52 	krndsource_t	rnd_source;
     53 };
     54