1/*
2 * Copyright (c) 2001-2007 Apple Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License").  You may not use this file except in compliance with the
9 * License.  Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
11 *
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22
23#ifndef _APPLELVMSTORAGEREQUEST_H
24#define _APPLELVMSTORAGEREQUEST_H
25
26class AppleLVMMemoryDescriptor;
27
28class AppleLVMStorageRequest : public AppleRAIDStorageRequest
29{
30    OSDeclareDefaultStructors(AppleLVMStorageRequest);
31
32    friend class AppleRAIDSet;					// XXX remove this
33    friend class AppleRAIDEventSource;				// XXX remove this
34    friend class AppleLVMMemoryDescriptor;			// XXX remove this
35
36    virtual void read(IOService *client, UInt64 byteStart, IOMemoryDescriptor *buffer,
37		      IOStorageAttributes *attributes, IOStorageCompletion *completion);
38    virtual void write(IOService *client, UInt64 byteStart, IOMemoryDescriptor *buffer,
39		      IOStorageAttributes *attributes, IOStorageCompletion *completion);
40
41public:
42    static AppleLVMStorageRequest *withAppleRAIDSet(AppleRAIDSet * xsset);
43};
44
45#endif  /* ! _APPLELVMSTORAGEREQUEST_H */
46