1 /*- 2 * Copyright (c) 1982, 1986, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * 6 * All or some portions of this file are derived from material licensed 7 * to the University of California by American Telephone and Telegraph 8 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 9 * the permission of UNIX System Laboratories, Inc. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)errno.h 8.5 (Berkeley) 1/21/94 36 * $FreeBSD$ 37 */ 38 39 #ifndef _MACRO_REF_H 40 #define _MACRO_REF_H 41 42 #define FREAD 0x0001 43 #define FWRITE 0x0002 44 45 /* pseudo-errors returned inside kernel to modify return to process */ 46 #define EJUSTRETURN (-2) /* don't modify regs, just return */ 47 #define ENOIOCTL (-3) /* ioctl not handled by this layer */ 48 #define EDIRIOCTL (-4) /* do direct ioctl in GEOM */ 49 50 /* Ref usb_transfer.c */ 51 #define WITNESS_WARN(flags, lock, fmt, ...) (void)0 52 53 #ifndef MIN 54 #define MIN(a,b) (a < b ? a : b) 55 #endif 56 57 #ifndef MAX 58 #define MAX(a,b) (a > b ? a : b) 59 #endif 60 61 #define put_unaligned_be16(p, v) do {*((UINT8*)(p)) = (v >> 8); *((UINT8*)(p + 1)) = (v);}while(0); 62 #define put_unaligned_be32(p, v) do{put_unaligned_be16(p, (v >> 16)) ; put_unaligned_be16((p + 2), v);}while(0); 63 64 #define get_unaligned_be16(p) (((UINT8*)p)[0] << 8 | ((UINT8*)p)[1]) 65 #define get_unaligned_be32(p) (((UINT8*)p)[0] << 24 | ((UINT8*)p)[1] << 16 |((UINT8*)p)[2] << 8 |((UINT8*)p)[3]) 66 67 #endif 68