1 /* $NetBSD: scsipi_disk.h,v 1.7 2001/11/19 17:18:09 soren Exp $ */ 2 3 /* 4 * SCSI and SCSI-like interfaces description 5 */ 6 7 /* 8 * Some lines of this file come from a file of the name "scsi.h" 9 * distributed by OSF as part of mach2.5, 10 * so the following disclaimer has been kept. 11 * 12 * Copyright 1990 by Open Software Foundation, 13 * Grenoble, FRANCE 14 * 15 * All Rights Reserved 16 * 17 * Permission to use, copy, modify, and distribute this software and 18 * its documentation for any purpose and without fee is hereby granted, 19 * provided that the above copyright notice appears in all copies and 20 * that both the copyright notice and this permission notice appear in 21 * supporting documentation, and that the name of OSF or Open Software 22 * Foundation not be used in advertising or publicity pertaining to 23 * distribution of the software without specific, written prior 24 * permission. 25 * 26 * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE 27 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, 28 * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR 29 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 30 * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, 31 * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 32 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 33 */ 34 35 /* 36 * Largely written by Julian Elischer (julian@tfs.com) 37 * for TRW Financial Systems. 38 * 39 * TRW Financial Systems, in accordance with their agreement with Carnegie 40 * Mellon University, makes this software available to CMU to distribute 41 * or use in any manner that they see fit as long as this message is kept with 42 * the software. For this reason TFS also grants any other persons or 43 * organisations permission to use or modify this software. 44 * 45 * TFS supplies this software to be publicly redistributed 46 * on the understanding that TFS is not responsible for the correct 47 * functioning of this software in any circumstances. 48 * 49 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 50 */ 51 52 /* 53 * SCSI command format 54 */ 55 56 #define READ_BIG 0x28 57 #define WRITE_BIG 0x2a 58 struct scsipi_rw_big { 59 u_int8_t opcode; 60 u_int8_t byte2; 61 #define SRWB_RELADDR 0x01 62 #define SRWB_FUA 0x08 /* force unit access */ 63 #define SRWB_DPO 0x10 /* disable page out */ 64 u_int8_t addr[4]; 65 u_int8_t reserved; 66 u_int8_t length[2]; 67 u_int8_t control; 68 }; 69 70 #define READ_CAPACITY 0x25 71 struct scsipi_read_capacity { 72 u_int8_t opcode; 73 u_int8_t byte2; 74 u_int8_t addr[4]; 75 u_int8_t unused[3]; 76 u_int8_t control; 77 }; 78 79 /* DATAs definitions for the above commands */ 80 81 struct scsipi_read_cap_data { 82 u_int8_t addr[4]; 83 u_int8_t length[4]; 84 }; 85