xref: /netbsd/sys/dev/mca/edvar.h (revision bf9ec67e)
1 /*	$NetBSD: edvar.h,v 1.6 2001/11/24 12:46:15 jdolecek 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 buf_queue 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