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Annotation of kernel/driverkit/KernBusMemory.h, revision 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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