blockio.h (2128B) - Raw
1 /* $NetBSD: blockio.h,v 1.2 2001/06/02 10:44:56 bjh21 Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-3-Clause 5 * 6 * Copyright (c) 2001 Ben Harris 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. 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 /* 33 * blockio.h - low level functions for bulk PIO data transfer 34 */ 35 36 #ifndef _MACHINE_BLOCKIO_H_ 37 #define _MACHINE_BLOCKIO_H_ 38 39 /* 40 * All these take three arguments: 41 * I/O address 42 * Memory address 43 * Number of bytes to copy 44 */ 45 46 void read_multi_1(u_int, void *, u_int); 47 void write_multi_1(u_int, const void *, u_int); 48 #define read_multi_2 insw16 49 #define write_multi_2 outsw16 50 51 void insw(u_int, void *, u_int); 52 void outsw(u_int, void *, u_int); 53 void insw16(u_int, void *, u_int); 54 void outsw16(u_int, void *, u_int); 55 56 #endif /* !_MACHINE_BLOCKIO_H_ */