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edvar.h revision 1.7 
      1 /*	$NetBSD: edvar.h,v 1.7 2002/07/20 16:30:19 hannken Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  *
      6  * This code is derived from software contributed to The NetBSD Foundation
      7  * by Jaromir Dolecek.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *        This product includes software developed by the NetBSD
     20  *        Foundation, Inc. and its contributors.
     21  * 4. The name of the author may not be used to endorse or promote products
     22  *    derived from this software without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     25  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     26  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     27  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     28  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     29  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     30  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     31  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     32  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     33  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     34  */
     35 
     36 struct edc_mca_softc;
     37 
     38 struct ed_softc {
     39 	struct device sc_dev;
     40 
     41 	/* General disk infos */
     42 	struct disk sc_dk;
     43 	struct bufq_state sc_q;
     44 	struct simplelock sc_q_lock;
     45 
     46 	struct edc_mca_softc *edc_softc;   /* pointer to our controller */
     47 
     48 	int sc_flags;
     49 #define WDF_WLABEL	0x001 /* label is writable */
     50 #define WDF_LABELLING   0x002 /* writing label */
     51 #define WDF_LOADED	0x004 /* parameters loaded */
     52 #define WDF_KLABEL	0x008 /* retain label after 'full' close */
     53 #define EDF_INIT	0x100 /* disk initialized */
     54 	struct lock sc_lock;	/* drive lock */
     55 
     56 	/* actual drive parameters */
     57 	int sc_capacity;
     58 	int sc_devno;
     59 	u_int16_t sense_data[4];	/* sensed drive parameters */
     60 	u_int16_t cyl;
     61 	u_int8_t heads;
     62 	u_int8_t sectors;
     63 	u_int8_t spares;	/* spares per cylinder */
     64 	u_int32_t rba;		/* # of RBAs */
     65 
     66 #if NRND > 0
     67 	rndsource_element_t	rnd_source;
     68 #endif
     69 };
     70