1 /* $NetBSD: cdvar.h,v 1.4 1997/10/13 00:47:54 explorer 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 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Charles M. Hannum. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #define CDOUTSTANDING 4 33 #define CDRETRIES 1 34 35 struct cd_ops; 36 37 struct cd_softc { 38 struct device sc_dev; 39 struct disk sc_dk; 40 41 int flags; 42 #define CDF_LOCKED 0x01 43 #define CDF_WANTED 0x02 44 #define CDF_WLABEL 0x04 /* label is writable */ 45 #define CDF_LABELLING 0x08 /* writing label */ 46 #define CDF_ANCIENT 0x10 /* disk is ancient; for minphys */ 47 struct scsipi_link *sc_link; /* contains our targ, lun, etc. */ 48 struct cd_parms { 49 int blksize; 50 u_long disksize; /* total number sectors */ 51 } params; 52 struct buf buf_queue; 53 const struct cd_ops *sc_ops; /* our bus-dependent ops vector */ 54 55 #if NRND > 0 56 rndsource_element_t rnd_source; 57 #endif 58 }; 59 60 struct cd_ops { 61 int (*cdo_setchan) __P((struct cd_softc *, int, int, int, int)); 62 int (*cdo_getvol) __P((struct cd_softc *, struct ioc_vol *)); 63 int (*cdo_setvol) __P((struct cd_softc *, const struct ioc_vol *)); 64 int (*cdo_set_pa_immed) __P((struct cd_softc *)); 65 }; 66 67 void cdattach __P((struct device *, struct cd_softc *, struct scsipi_link *, 68 const struct cd_ops *)); 69