Return to dma_buf_internal.h CVS log

Up to [Apple Darwin 0.x] / kernel / machdep / i386

Annotation of kernel/machdep/i386/dma_buf_internal.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: /*
                     26:  * Copyright (c) 1992 NeXT Computer, Inc.
                     27:  *
                     28:  * dma_buf_internal.h   -- DMA buffer handling internals.
                     29:  *
                     30:  * HISTORY
                     31:  *
                     32:  * 26 August 1992 ? at NeXT
                     33:  *     Created.
                     34:  */
                     35: 
                     36: typedef union dma_buf_region {
                     37:     unsigned char              data[0];
                     38:     union dma_buf_region       *next;
                     39: } dma_buf_region_t;
                     40:  
                     41: typedef struct dma_buf_type {
                     42:     dma_buf_region_t *         (*create_fcn)();
                     43:     dma_buf_region_t *         free_head;
                     44:     int                                free_count;
                     45:     int                                total_count;
                     46: } dma_buf_type_t;
                     47: 
                     48: static dma_buf_region_t                *dma_buf_sm_create(
                     49:                                                        void);
                     50: static dma_buf_region_t                *dma_buf_lg_create(
                     51:                                                        void);

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.