| 1 | /* $NetBSD: sdvar.h,v 1.37 2015/08/24 23:13:15 pooka Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 1998, 2004 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Charles M. Hannum. |
| 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 | /* |
| 33 | * Originally written by Julian Elischer (julian@dialix.oz.au) |
| 34 | * for TRW Financial Systems for use under the MACH(2.5) operating system. |
| 35 | * |
| 36 | * TRW Financial Systems, in accordance with their agreement with Carnegie |
| 37 | * Mellon University, makes this software available to CMU to distribute |
| 38 | * or use in any manner that they see fit as long as this message is kept with |
| 39 | * the software. For this reason TFS also grants any other persons or |
| 40 | * organisations permission to use or modify this software. |
| 41 | * |
| 42 | * TFS supplies this software to be publicly redistributed |
| 43 | * on the understanding that TFS is not responsible for the correct |
| 44 | * functioning of this software in any circumstances. |
| 45 | * |
| 46 | * Ported to run under 386BSD by Julian Elischer (julian@dialix.oz.au) Sept 1992 |
| 47 | */ |
| 48 | |
| 49 | #ifndef _DEV_SCSIPI_SDVAR_H_ |
| 50 | #define _DEV_SCSIPI_SDVAR_H_ |
| 51 | |
| 52 | #ifdef _KERNEL_OPT |
| 53 | #include "opt_scsi.h" |
| 54 | #endif |
| 55 | |
| 56 | #include <sys/rndsource.h> |
| 57 | |
| 58 | #ifndef SDRETRIES |
| 59 | #define SDRETRIES 4 |
| 60 | #endif |
| 61 | |
| 62 | #ifndef SD_IO_TIMEOUT |
| 63 | #define SD_IO_TIMEOUT (60 * 1000) |
| 64 | #endif |
| 65 | |
| 66 | struct disk_parms { |
| 67 | u_long heads; /* number of heads */ |
| 68 | u_long cyls; /* number of cylinders */ |
| 69 | u_long sectors; /* number of sectors/track */ |
| 70 | u_long blksize; /* number of bytes/sector */ |
| 71 | u_long rot_rate; /* rotational rate, in RPM */ |
| 72 | u_int64_t disksize; /* total number sectors */ |
| 73 | u_int64_t disksize512; /* total number sectors */ |
| 74 | }; |
| 75 | |
| 76 | struct sd_softc { |
| 77 | device_t sc_dev; |
| 78 | struct disk sc_dk; |
| 79 | |
| 80 | int flags; |
| 81 | #define SDF_WLABEL 0x04 /* label is writable */ |
| 82 | #define SDF_LABELLING 0x08 /* writing label */ |
| 83 | #define SDF_ANCIENT 0x10 /* disk is ancient; for minphys */ |
| 84 | #define SDF_DIRTY 0x20 /* disk is dirty; needs cache flush */ |
| 85 | #define SDF_FLUSHING 0x40 /* flushing, for sddone() */ |
| 86 | |
| 87 | struct scsipi_periph *sc_periph;/* contains our targ, lun, etc. */ |
| 88 | |
| 89 | struct disk_parms params; |
| 90 | |
| 91 | struct bufq_state *buf_queue; |
| 92 | callout_t sc_callout; |
| 93 | u_int8_t type; |
| 94 | char name[16]; /* product name, for default disklabel */ |
| 95 | |
| 96 | krndsource_t rnd_source; |
| 97 | }; |
| 98 | |
| 99 | #define SDGP_RESULT_OK 0 /* parameters obtained */ |
| 100 | #define SDGP_RESULT_OFFLINE 1 /* no media, or otherwise losing */ |
| 101 | #define SDGP_RESULT_UNFORMATTED 2 /* unformatted media (max params) */ |
| 102 | |
| 103 | #endif /* _DEV_SCSIPI_SDVAR_H_ */ |
| 104 | |