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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_BLOCK_STORAGE_SERVICES_H_␊
26#define _IOKIT_IO_BLOCK_STORAGE_SERVICES_H_␊
27␊
28#if defined(KERNEL) && defined(__cplusplus)␊
29␊
30␊
31//-----------------------------------------------------------------------------␊
32//␉Includes␊
33//-----------------------------------------------------------------------------␊
34␊
35// IOKit includes␊
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/IOSCSIBlockCommandsDevice.h>␊
43␊
44␊
45//-----------------------------------------------------------------------------␊
46//␉Class Declaration␊
47//-----------------------------------------------------------------------------␊
48␊
49class IOBlockStorageServices : public IOBlockStorageDevice␊
50{␊
51␉␊
52␉OSDeclareDefaultStructors ( IOBlockStorageServices )␊
53␉␊
54private:␊
55␉␊
56␉bool␉␉␉␉␉␉␉fMediaChanged; /* DEPRECATED */␊
57␉bool␉␉␉␉␉␉␉fMediaPresent;␊
58␉␊
59protected:␊
60␉␊
61 IOSCSIBlockCommandsDevice * fProvider;␊
62␉␊
63␉UInt64␉␉␉␉␉␉␉fMaxReadBlocks;␊
64␉UInt64␉␉␉␉␉␉␉fMaxWriteBlocks;␊
65␉␊
66␉virtual bool␉␉attach ( IOService * provider );␊
67␉virtual void␉␉detach ( IOService * provider );␊
68 virtual IOReturn␉newUserClient (␊
69 ␉␉␉␉␉␉ task_t␉␉␉owningTask,␊
70 ␉␉␉␉␉␉ void *␉␉␉securityID,␊
71 ␉␉␉␉␉␉ UInt32␉␉␉type,␊
72 ␉␉␉␉␉␉ OSDictionary * ␉properties,␊
73 ␉␉␉␉␉␉ IOUserClient **␉handler );␊
74␉␊
75 // Reserve space for future expansion.␊
76 struct IOBlockStorageServicesExpansionData { };␊
77 IOBlockStorageServicesExpansionData * fIOBlockStorageServicesReserved;␊
78␉␊
79public:␊
80␉␊
81␉virtual IOReturn ␉message ( UInt32 type, IOService * provider, void * argument );␊
82␉␊
83␉static void ␉␉AsyncReadWriteComplete ( void * ␉␉␉clientData,␊
84 ␉␉␉␉ IOReturn␉␉␉status,␊
85 ␉␉␉␉ UInt64 ␉␉␉actualByteCount );␊
86␉␊
87␉// Deprecated␊
88␉virtual IOReturn␉doAsyncReadWrite ( ␉IOMemoryDescriptor *␉buffer,␊
89␉␉␉␉␉␉␉␉␉␉␉UInt32␉␉␉␉␉block,␊
90␉␉␉␉␉␉␉␉␉␉␉UInt32␉␉␉␉␉nblks,␊
91␉␉␉␉␉␉␉␉␉␉␉IOStorageCompletion␉␉completion );␊
92␉␉␉␉␉␉␉␉␉␉␉␊
93␉virtual IOReturn␉doAsyncReadWrite ( ␉IOMemoryDescriptor *␉buffer,␊
94␉␉␉␉␉␉␉␉␉␉␉UInt64␉␉␉␉␉block,␊
95␉␉␉␉␉␉␉␉␉␉␉UInt64␉␉␉␉␉nblks,␊
96␉␉␉␉␉␉␉␉␉␉␉IOStorageCompletion ␉completion );␊
97␊
98␉virtual IOReturn␉doAsyncReadWrite ( ␉IOMemoryDescriptor *␉buffer,␊
99␉␉␉␉␉␉␉␉␉␉␉UInt64␉␉␉␉␉block,␊
100␉␉␉␉␉␉␉␉␉␉␉UInt64␉␉␉␉␉nblks,␊
101␉␉␉␉␉␉␉␉␉␉␉IOStorageAttributes * attributes,␊
102␉␉␉␉␉␉␉␉␉␉␉IOStorageCompletion *␉completion );␊
103␉␉␉␉␉␉␉␉␉␉␉␉␉␊
104 virtual IOReturn␉doEjectMedia ( void );␊
105␉␊
106 virtual IOReturn␉doFormatMedia ( UInt64 byteCapacity );␊
107␉␊
108 virtual UInt32␉␉doGetFormatCapacities ( UInt64 *␉capacities,␊
109 ␉␉␉␉␉␉␉␉␉␉␉UInt32␉␉capacitiesMaxCount ) const;␊
110␉␊
111 virtual IOReturn␉doLockUnlockMedia ( bool doLock );␊
112␉␊
113 virtual IOReturn␉doSynchronizeCache ( void );␊
114␉␊
115 virtual char *␉␉getVendorString ( void );␊
116 ␊
117 virtual char *␉␉getProductString ( void );␊
118 ␊
119 virtual char *␉␉getRevisionString ( void );␊
120 ␊
121 virtual char *␉␉getAdditionalDeviceInfoString ( void );␊
122 ␊
123 virtual IOReturn␉reportBlockSize ( UInt64 * blockSize );␊
124 ␊
125 virtual IOReturn␉reportEjectability ( bool * isEjectable );␊
126 ␊
127 virtual IOReturn␉reportLockability ( bool * isLockable );␊
128 ␊
129 virtual IOReturn␉reportMediaState ( bool * mediaPresent, bool * changed );␊
130 ␊
131 virtual IOReturn␉reportPollRequirements ( ␉bool * pollIsRequired,␊
132 ␉␉␉␉␉␉␉␉␉␉␉␉bool * pollIsExpensive );␊
133 ␊
134 virtual IOReturn␉reportMaxValidBlock ( UInt64 * maxBlock );␊
135 ␊
136 virtual IOReturn␉reportRemovability ( bool * isRemovable );␊
137 ␊
138 virtual IOReturn␉reportWriteProtection ( bool * isWriteProtected );␊
139␉␊
140␉virtual IOReturn␉getWriteCacheState ( bool * enabled );␊
141␉␊
142␉virtual IOReturn␉setWriteCacheState ( bool enabled );␊
143␉␊
144␉// Space reserved for future expansion.␊
145 OSMetaClassDeclareReservedUnused ( IOBlockStorageServices, 1 );␊
146 OSMetaClassDeclareReservedUnused ( IOBlockStorageServices, 2 );␊
147 OSMetaClassDeclareReservedUnused ( IOBlockStorageServices, 3 );␊
148 OSMetaClassDeclareReservedUnused ( IOBlockStorageServices, 4 );␊
149 OSMetaClassDeclareReservedUnused ( IOBlockStorageServices, 5 );␊
150 OSMetaClassDeclareReservedUnused ( IOBlockStorageServices, 6 );␊
151 OSMetaClassDeclareReservedUnused ( IOBlockStorageServices, 7 );␊
152 OSMetaClassDeclareReservedUnused ( IOBlockStorageServices, 8 );␊
153␉␊
154};␊
155␊
156#endif␉/* defined(KERNEL) && defined(__cplusplus) */␊
157␊
158#endif␉/* _IOKIT_IO_BLOCK_STORAGE_SERVICES_H_ */␊
159

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