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Annotation of kernel/driverkit/KernBusMemory.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) 1994 NeXT Computer, Inc.
                     27:  *
                     28:  * Exported interface for Kernel Bus Generic Memory Resource Object(s).
                     29:  *
                     30:  * HISTORY
                     31:  *
                     32:  * 15 Mar 1994 ? at NeXT
                     33:  *     Created.
                     34:  */
                     35: 
                     36: #ifdef DRIVER_PRIVATE
                     37: 
                     38: #import <driverkit/KernBus.h>
                     39: #import <driverkit/driverTypes.h>
                     40: 
                     41: #import <mach/mach_types.h>
                     42: 
                     43: @interface KernBusMemoryRange : KernBusRange
                     44: {
                     45: @private
                     46: }
                     47: 
                     48: - mapToAddress: (vm_offset_t)destAddr
                     49:        inTarget: (task_t)task
                     50:        cache: (IOCache)cache;
                     51: - mapInTarget: (task_t)task
                     52:        cache: (IOCache)cache;
                     53: 
                     54: @end
                     55: 
                     56: @interface KernBusMemoryRangeMapping : KernBusRangeMapping
                     57: {
                     58: @private
                     59:     task_t             _task;
                     60:     vm_offset_t                _address;
                     61: }
                     62: 
                     63: - initWithRange: range
                     64:        subRange: (Range)subRange
                     65:        atAddress: (vm_offset_t)destAddr
                     66:        inTarget: (task_t)task
                     67:        cache: (IOCache)cache;
                     68: - initWithRange: range
                     69:        subRange: (Range)subRange
                     70:        inTarget: (task_t)task
                     71:        cache: (IOCache)cache;
                     72:        
                     73: - (task_t)task;
                     74: - (vm_offset_t)address;
                     75: 
                     76: @end
                     77: 
                     78: /*
                     79:  * This primative is used to
                     80:  * create wired down mappings
                     81:  * in a task pmap.  It bypasses
                     82:  * the MACH VM system.
                     83:  * It should be totally private,
                     84:  * but may be needed by some
                     85:  * poorly behaved clients.
                     86:  */
                     87: 
                     88: kern_return_t  _KernBusMemoryCreateMapping(
                     89:                    vm_offset_t         physAddr,
                     90:                    vm_size_t           length,
                     91:                    vm_offset_t         *destAddr,
                     92:                    task_t              task,
                     93:                    BOOL                findSpace,
                     94:                    IOCache             cache);
                     95: 
                     96: #endif /* DRIVER_PRIVATE */

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