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edvar.h revision 1.16 
      1 /*	$NetBSD: edvar.h,v 1.16 2012/10/27 17:18:26 chs Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jaromir Dolecek.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/simplelock.h>
     33 
     34 struct edc_mca_softc;
     35 
     36 struct ed_softc {
     37 	device_t sc_dev;
     38 
     39 	/* General disk infos */
     40 	struct disk sc_dk;
     41 	struct bufq_state *sc_q;
     42 	struct simplelock sc_q_lock;
     43 
     44 	struct edc_mca_softc *edc_softc;   /* pointer to our controller */
     45 
     46 	int sc_flags;
     47 #define WDF_WLABEL	0x001 /* label is writable */
     48 #define WDF_LABELLING   0x002 /* writing label */
     49 #define WDF_LOADED	0x004 /* parameters loaded */
     50 #define WDF_KLABEL	0x008 /* retain label after 'full' close */
     51 #define EDF_INIT	0x100 /* disk initialized */
     52 
     53 	/* actual drive parameters */
     54 	int sc_capacity;
     55 	int sc_devno;
     56 	u_int16_t sense_data[4];	/* sensed drive parameters */
     57 	u_int16_t cyl;
     58 	u_int8_t heads;
     59 	u_int8_t sectors;
     60 	u_int8_t spares;	/* spares per cylinder */
     61 	u_int32_t rba;		/* # of RBAs */
     62 
     63 	krndsource_t	rnd_source;
     64 };
     65