/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1982, 1986, 1989, 1993 * The Regents of the University of California. All rights reserved. * (c) UNIX System Laboratories, Inc. * All or some portions of this file are derived from material licensed * to the University of California by American Telephone and Telegraph * Co. or Unix System Laboratories, Inc. and are reproduced herein with * the permission of UNIX System Laboratories, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef FAT_PARAM_H #define FAT_PARAM_H // Modified to support the Haiku FAT driver. #include #ifndef FS_SHELL #include #include_next #endif // !FS_SHELL #include "sys/types.h" #define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */ #define DEV_BSIZE (1 << DEV_BSHIFT) #ifndef MAXPHYS /* max raw I/O transfer size */ #ifdef __ILP32__ #define MAXPHYS (128 * 1024) #else #define MAXPHYS (1024 * 1024) #endif #endif /* * Machine-independent constants (some used in following include files). */ #define SPECNAMELEN 255 /* max length of devicename */ // BSD error codes used by the driver #define EINTEGRITY 97 /* Integrity check failed */ /* pseudo-errors returned inside kernel to modify return to process */ #define EJUSTRETURN (-2) /* don't modify regs, just return */ /* Macros for counting and rounding. */ #define rounddown(x, y) (((x) / (y)) * (y)) #define rounddown2(x, y) __align_down(x, y) /* if y is power of two */ #define roundup(x, y) ((((x) + ((y) -1)) / (y)) * (y)) /* to any y */ #define roundup2(x, y) __align_up(x, y) /* if y is powers of two */ #define powerof2(x) ((((x) -1) & (x)) == 0) #endif // FAT_PARAM_H