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1/*␊
2 * Copyright (c) 1998-2009 Apple Inc. All rights reserved.␊
3 *␊
4 * @APPLE_LICENSE_HEADER_START@␊
5 * ␊
6 * This file contains Original Code and/or Modifications of Original Code␊
7 * as defined in and that are subject to the Apple Public Source License␊
8 * Version 2.0 (the 'License'). You may not use this file except in␊
9 * compliance with the License. Please obtain a copy of the License at␊
10 * http://www.opensource.apple.com/apsl/ and read it before using this␊
11 * file.␊
12 * ␊
13 * The Original Code and all software distributed under the License are␊
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊
18 * Please see the License for the specific language governing rights and␊
19 * limitations under the License.␊
20 * ␊
21 * @APPLE_LICENSE_HEADER_END@␊
22 */␊
23␊
24␊
25#ifndef _IOKIT_IO_REDUCED_BLOCK_SERVICES_H_␊
26#define _IOKIT_IO_REDUCED_BLOCK_SERVICES_H_␊
27␊
28#if defined(KERNEL) && defined(__cplusplus)␊
29␊
30␊
31//-----------------------------------------------------------------------------␊
32//␉Includes␊
33//-----------------------------------------------------------------------------␊
34␊
35// Generic IOKit related headers␊
36#include <IOKit/IOTypes.h>␊
37␊
38// Generic IOKit storage related headers␊
39#include <IOKit/storage/IOBlockStorageDevice.h>␊
40␊
41// SCSI Architecture Model Family includes␊
42#include <IOKit/scsi/IOSCSIPeripheralDeviceType0E.h>␊
43␊
44␊
45//-----------------------------------------------------------------------------␊
46//␉Class Declaration␊
47//-----------------------------------------------------------------------------␊
48␊
49class IOReducedBlockServices : public IOBlockStorageDevice␊
50{␊
51␉␊
52␉OSDeclareDefaultStructors ( IOReducedBlockServices )␊
53␉␊
54␉␊
55protected:␊
56 // Reserve space for future expansion.␊
57 struct IOReducedBlockServicesExpansionData { };␊
58 IOReducedBlockServicesExpansionData * fIOReducedBlockServicesReserved;␊
59␉␊
60␉IOSCSIPeripheralDeviceType0E * fProvider;␊
61␉␊
62␉virtual bool␉attach ( IOService * provider );␊
63␉virtual void␉detach ( IOService * provider );␊
64␉␊
65␉␊
66public:␊
67␊
68␉virtual IOReturn ␉message ( UInt32 type, IOService * provider, void * argument );␊
69␉␊
70␉static void␉␉␉AsyncReadWriteComplete ( void * ␉␉␉clientData,␊
71 ␉␉␉␉ IOReturn␉␉␉status,␊
72 ␉␉␉␉ UInt64 ␉␉␉actualByteCount );␊
73 ␉␉␉␉␊
74␉// Deprecated␊
75␉virtual IOReturn␉doAsyncReadWrite ( ␉IOMemoryDescriptor *␉buffer,␊
76␉␉␉␉␉␉␉␉␉␉␉UInt32␉␉␉␉␉block,␊
77␉␉␉␉␉␉␉␉␉␉␉UInt32␉␉␉␉␉nblks,␊
78␉␉␉␉␉␉␉␉␉␉␉IOStorageCompletion␉␉completion );␊
79␊
80␉virtual IOReturn␉doAsyncReadWrite ( ␉IOMemoryDescriptor *␉buffer,␊
81␉␉␉␉␉␉␉␉␉␉␉UInt64␉␉␉␉␉block,␊
82␉␉␉␉␉␉␉␉␉␉␉UInt64␉␉␉␉␉nblks,␊
83␉␉␉␉␉␉␉␉␉␉␉IOStorageCompletion␉␉completion );␊
84␉␉␉␉␉␉␉␉␉␉␉␊
85␉virtual IOReturn␉doAsyncReadWrite ( ␉IOMemoryDescriptor *␉buffer,␊
86␉␉␉␉␉␉␉␉␉␉␉UInt64␉␉␉␉␉block,␊
87␉␉␉␉␉␉␉␉␉␉␉UInt64␉␉␉␉␉nblks,␊
88␉␉␉␉␉␉␉␉␉␉␉IOStorageAttributes * attributes,␊
89␉␉␉␉␉␉␉␉␉␉␉IOStorageCompletion *␉completion );␊
90␊
91 virtual IOReturn␉doEjectMedia ( void );␊
92␊
93 virtual IOReturn␉doFormatMedia ( UInt64 byteCapacity );␊
94␊
95 virtual UInt32␉␉doGetFormatCapacities ( UInt64 *␉capacities,␊
96 ␉␉␉␉␉␉␉␉␉␉␉UInt32␉␉capacitiesMaxCount ) const;␊
97␊
98 virtual IOReturn␉doLockUnlockMedia ( bool doLock );␊
99␊
100 virtual IOReturn␉doSynchronizeCache ( void );␊
101␉␊
102␉virtual IOReturn␉getWriteCacheState ( bool * enabled );␊
103␉␊
104␉virtual IOReturn␉setWriteCacheState ( bool enabled );␊
105 ␊
106 virtual char *␉␉getVendorString ( void );␊
107 ␊
108 virtual char *␉␉getProductString ( void );␊
109 ␊
110 virtual char *␉␉getRevisionString ( void );␊
111 ␊
112 virtual char *␉␉getAdditionalDeviceInfoString ( void );␊
113 ␊
114 virtual IOReturn␉reportBlockSize ( UInt64 * blockSize );␊
115 ␊
116 virtual IOReturn␉reportEjectability ( bool * isEjectable );␊
117 ␊
118 virtual IOReturn␉reportLockability ( bool * isLockable );␊
119 ␊
120 virtual IOReturn␉reportMediaState ( bool * mediaPresent, bool * changed );␊
121 ␊
122 virtual IOReturn␉reportPollRequirements ( ␉bool * pollIsRequired,␊
123 ␉␉␉␉␉␉␉␉␉␉␉␉bool * pollIsExpensive );␊
124 ␊
125 virtual IOReturn␉reportMaxValidBlock ( UInt64 * maxBlock );␊
126 ␊
127 virtual IOReturn␉reportRemovability ( bool * isRemovable );␊
128 ␊
129 virtual IOReturn␉reportWriteProtection ( bool * isWriteProtected );␊
130␊
131private:␊
132␉␊
133␉// Space reserved for future expansion.␊
134 OSMetaClassDeclareReservedUnused ( IOReducedBlockServices, 1 );␊
135 OSMetaClassDeclareReservedUnused ( IOReducedBlockServices, 2 );␊
136 OSMetaClassDeclareReservedUnused ( IOReducedBlockServices, 3 );␊
137 OSMetaClassDeclareReservedUnused ( IOReducedBlockServices, 4 );␊
138 OSMetaClassDeclareReservedUnused ( IOReducedBlockServices, 5 );␊
139 OSMetaClassDeclareReservedUnused ( IOReducedBlockServices, 6 );␊
140 OSMetaClassDeclareReservedUnused ( IOReducedBlockServices, 7 );␊
141 OSMetaClassDeclareReservedUnused ( IOReducedBlockServices, 8 );␊
142 ␊
143};␊
144␊
145#endif␉/* defined(KERNEL) && defined(__cplusplus) */␊
146␊
147#endif␉/* _IOKIT_IO_REDUCED_BLOCK_SERVICES_H_ */␊
148

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