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| Source at commit 2862 created 7 years 25 days ago. By ifabio, Tag 2.3 release, bump svn to 2.4 | |
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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_SCSI_PROTOCOL_SERVICES_H_␊ |
| 26 | #define _IOKIT_IO_SCSI_PROTOCOL_SERVICES_H_␊ |
| 27 | ␊ |
| 28 | #if defined(KERNEL) && defined(__cplusplus)␊ |
| 29 | ␊ |
| 30 | ␊ |
| 31 | //-----------------------------------------------------------------------------␊ |
| 32 | //␉Includes␊ |
| 33 | //-----------------------------------------------------------------------------␊ |
| 34 | ␊ |
| 35 | // Mach includes␊ |
| 36 | #include <kern/queue.h>␊ |
| 37 | ␊ |
| 38 | // General IOKit headers␊ |
| 39 | #include <IOKit/IOLib.h>␊ |
| 40 | #include <IOKit/IOCommandGate.h>␊ |
| 41 | ␊ |
| 42 | // SCSI Architecture Model Family includes␊ |
| 43 | #include <IOKit/scsi/SCSITask.h>␊ |
| 44 | #include <IOKit/scsi/IOSCSIProtocolInterface.h>␊ |
| 45 | #include <IOKit/scsi/SCSICmds_REQUEST_SENSE_Defs.h>␊ |
| 46 | ␊ |
| 47 | ␊ |
| 48 | //-----------------------------------------------------------------------------␊ |
| 49 | //␉Constants␊ |
| 50 | //-----------------------------------------------------------------------------␊ |
| 51 | ␊ |
| 52 | // Power Management values␊ |
| 53 | enum␊ |
| 54 | {␊ |
| 55 | ␉kSCSIProtocolLayerPowerStateOff␉␉␉␉= 0,␊ |
| 56 | ␉kSCSIProtocolLayerPowerStateOn␉␉␉␉= 1,␊ |
| 57 | ␉kSCSIProtocolLayerNumDefaultStates␉␉␉= 2␊ |
| 58 | };␊ |
| 59 | ␊ |
| 60 | // Forward definitions of internal use only classes␊ |
| 61 | class SCSITask;␊ |
| 62 | ␊ |
| 63 | //-----------------------------------------------------------------------------␊ |
| 64 | //␉Class Declaration␊ |
| 65 | //-----------------------------------------------------------------------------␊ |
| 66 | ␊ |
| 67 | class IOSCSIProtocolServices : public IOSCSIProtocolInterface␊ |
| 68 | {␊ |
| 69 | ␉␊ |
| 70 | ␉OSDeclareAbstractStructors ( IOSCSIProtocolServices )␊ |
| 71 | ␉␊ |
| 72 | private:␊ |
| 73 | ␉␊ |
| 74 | ␉// The head pointer for the queue of waiting SCSI Tasks.␊ |
| 75 | ␉SCSITask *␉␉fSCSITaskQueueHead;␉␉/* OBSOLETE */␊ |
| 76 | ␉␊ |
| 77 | ␉// This is the lock for preventing multiple access while␊ |
| 78 | ␉// manipulating the SCSI Task queue.␊ |
| 79 | ␉IOSimpleLock *␉fQueueLock;␊ |
| 80 | ␉␊ |
| 81 | ␉// The internal flag to indicate whether service requests should be␊ |
| 82 | ␉// executed or immediately errored, such as when a device is removed.␊ |
| 83 | ␉bool␉␉␉fAllowServiceRequests;␊ |
| 84 | ␉␊ |
| 85 | protected:␊ |
| 86 | ␉␊ |
| 87 | ␉// Reserve space for future expansion.␊ |
| 88 | ␉struct IOSCSIProtocolServicesExpansionData␊ |
| 89 | ␉{␊ |
| 90 | ␉␉// For internal use only. Do not use.␊ |
| 91 | ␉␉UInt32␉␉␉␉fSemaphore;␊ |
| 92 | ␉␉bool␉␉␉␉fRequiresAutosenseDescriptor;␊ |
| 93 | ␉␉SCSITaskCompletion␉fCompletionRoutine;␊ |
| 94 | ␉␉queue_head_t␉␉fTaskQueueHead;␊ |
| 95 | ␉␉queue_head_t␉␉fAutoSenseQueueHead;␊ |
| 96 | ␉};␊ |
| 97 | ␉IOSCSIProtocolServicesExpansionData * fIOSCSIProtocolServicesReserved;␊ |
| 98 | ␉␊ |
| 99 | ␉// ---- Protocol transport methods overridden by each subclass ----␊ |
| 100 | ␉␊ |
| 101 | ␉// Send a SCSI Command to the device. If the command was sent to the␊ |
| 102 | ␉// device and is pending completion, the subclass should return true and␊ |
| 103 | ␉// return back the kSCSIServiceResponse_Request_In_Process response. ␊ |
| 104 | ␉// If the command completes immediately with an error, the subclass will␊ |
| 105 | ␉// return true and return back the appropriate status.␊ |
| 106 | ␉// if the subclass is currently processing all the commands it can, the␊ |
| 107 | ␉// subclass will return false and the command will be resent next time␊ |
| 108 | ␉// CommandCompleted is called. ␊ |
| 109 | ␉virtual bool␉␉SendSCSICommand ( ␉SCSITaskIdentifier ␉␉request, ␊ |
| 110 | ␉␉␉␉␉␉␉␉␉␉␉SCSIServiceResponse *␉serviceResponse,␊ |
| 111 | ␉␉␉␉␉␉␉␉␉␉␉SCSITaskStatus *␉␉taskStatus ) = 0;␊ |
| 112 | ␉␊ |
| 113 | ␉virtual SCSIServiceResponse␉AbortSCSICommand ( SCSITaskIdentifier request ) = 0;␊ |
| 114 | ␉␊ |
| 115 | ␉// ---- Command completion notification method ---------␊ |
| 116 | ␉// Subclasses will call this inherited method when the command␊ |
| 117 | ␉// executed by SendSCSICommand has completed.␊ |
| 118 | ␉// The subclasses will return a service response that is derived␊ |
| 119 | ␉// from protocol specific status information and as specified in ␊ |
| 120 | ␉// the specification for that protocol.␊ |
| 121 | ␉// If the service response is kSCSIServiceResponse_TASK_COMPLETE,␊ |
| 122 | ␉// the subclass will also return a SCSI status value.␊ |
| 123 | ␉void␉CommandCompleted ( ␉SCSITaskIdentifier ␉request, ␊ |
| 124 | ␉␉␉␉␉␉␉␉SCSIServiceResponse serviceResponse,␊ |
| 125 | ␉␉␉␉␉␉␉␉SCSITaskStatus␉␉taskStatus );␊ |
| 126 | ␉␊ |
| 127 | ␉// ---- Utility methods for accessing SCSITask attributes ----␊ |
| 128 | ␉// Method for retreiving the attribute for a task.␊ |
| 129 | ␉SCSITaskAttribute␉GetTaskAttribute ( SCSITaskIdentifier request );␊ |
| 130 | ␉␊ |
| 131 | ␉bool␉␉␉SetTaskState ( ␉SCSITaskIdentifier request, ␊ |
| 132 | ␉␉␉␉␉␉␉␉␉SCSITaskState newTaskState );␊ |
| 133 | ␉SCSITaskState␉GetTaskState ( ␉SCSITaskIdentifier request );␊ |
| 134 | ␉␊ |
| 135 | ␉UInt8␉␉␉GetLogicalUnitNumber ( SCSITaskIdentifier request );␊ |
| 136 | ␉␊ |
| 137 | ␉// Method to determine the size of the command descriptor block.␊ |
| 138 | ␉UInt8␉GetCommandDescriptorBlockSize ( SCSITaskIdentifier request );␊ |
| 139 | ␉␊ |
| 140 | ␉// This will always return the define max CDB size. If the Protocol Layer␊ |
| 141 | ␉// driver only supports a smaller size CDB, it will have to create a local␊ |
| 142 | ␉// SCSICommandDescriptorBlock variable to get the CDB data and then ␊ |
| 143 | ␉// transfer the needed bytes from there.␊ |
| 144 | ␉bool␉GetCommandDescriptorBlock ( SCSITaskIdentifier ␉␉␉␉request, ␊ |
| 145 | ␉␉␉␉␉␉␉␉␉␉SCSICommandDescriptorBlock * ␉cdbData );␊ |
| 146 | ␉␊ |
| 147 | ␉// Get the transfer direction for the request.␊ |
| 148 | ␉UInt8␉GetDataTransferDirection ( SCSITaskIdentifier request );␊ |
| 149 | ␉␊ |
| 150 | ␉UInt64␉GetRequestedDataTransferCount ( SCSITaskIdentifier request );␊ |
| 151 | ␉␊ |
| 152 | ␉bool␉SetRealizedDataTransferCount ( SCSITaskIdentifier request,␊ |
| 153 | ␉␉␉␉␉␉␉␉␉␉ UInt64 newRealizedDataCount );␊ |
| 154 | ␉␊ |
| 155 | ␉UInt64␉GetRealizedDataTransferCount ( SCSITaskIdentifier request );␊ |
| 156 | ␉␊ |
| 157 | ␉IOMemoryDescriptor *␉GetDataBuffer ( SCSITaskIdentifier request );␊ |
| 158 | ␉␊ |
| 159 | ␉UInt64␉GetDataBufferOffset ( SCSITaskIdentifier request );␊ |
| 160 | ␉␊ |
| 161 | ␉UInt32␉GetTimeoutDuration ( SCSITaskIdentifier request );␊ |
| 162 | ␉␊ |
| 163 | ␉UInt64␉GetAutosenseRequestedDataTransferCount ( SCSITaskIdentifier␉request );␊ |
| 164 | ␉␊ |
| 165 | ␉// Set the auto sense data that was returned for the SCSI Task.␊ |
| 166 | ␉// A return value of true indicates that the data was copied to the member ␊ |
| 167 | ␉// sense data structure, false indicates that the data could not be copied.␊ |
| 168 | ␉bool␉SetAutoSenseData ( SCSITaskIdentifier␉request,␊ |
| 169 | ␉␉␉␉␉␉␉ SCSI_Sense_Data *␉senseData ); // DEPRECATED, use the one on the line below.␊ |
| 170 | ␉␊ |
| 171 | ␉bool␉SetAutoSenseData ( SCSITaskIdentifier␉request,␊ |
| 172 | ␉␉␉␉␉␉␉ SCSI_Sense_Data *␉senseData,␊ |
| 173 | ␉␉␉␉␉␉␉ UInt8␉␉␉␉senseDataSize );␊ |
| 174 | ␉␊ |
| 175 | ␉void␉EnsureAutosenseDescriptorExists ( SCSITaskIdentifier request );␊ |
| 176 | ␉␊ |
| 177 | ␉bool␉SetProtocolLayerReference ( ␊ |
| 178 | ␉␉␉␉SCSITaskIdentifier ␉␉request, ␊ |
| 179 | ␉␉␉␉void *␉␉␉␉␉newReferenceValue );␊ |
| 180 | ␉void *␉GetProtocolLayerReference ( SCSITaskIdentifier request );␊ |
| 181 | ␉␊ |
| 182 | ␉␊ |
| 183 | ␉bool␉SetTaskExecutionMode (␊ |
| 184 | ␉␉␉␉SCSITaskIdentifier ␉␉request, ␊ |
| 185 | ␉␉␉␉SCSITaskMode ␉␉␉newTaskMode );␊ |
| 186 | ␉SCSITaskMode␉GetTaskExecutionMode ( SCSITaskIdentifier request );␊ |
| 187 | ␉␊ |
| 188 | ␉// ---- Method calls for messaging device connectedness ----␊ |
| 189 | ␉void ␉SendNotification_DeviceRemoved ( void );␊ |
| 190 | ␉␊ |
| 191 | ␉void ␉SendNotification_VerifyDeviceState ( void ); ␊ |
| 192 | ␉␊ |
| 193 | ␉// -- SCSI Task Queue Management Methods --␊ |
| 194 | ␉// Following are the commands used to manipulate the queue of pending SCSI Tasks.␊ |
| 195 | ␉␊ |
| 196 | ␉// Add the SCSI Task to the queue. The Task's Attribute determines where in␊ |
| 197 | ␉// the queue the Task is placed.␊ |
| 198 | ␉void ␉AddSCSITaskToQueue ( SCSITaskIdentifier request );␊ |
| 199 | ␉␊ |
| 200 | ␉// Add the SCSI Task to the head of the queue. This is used when the task␊ |
| 201 | ␉// has been removed from the head of the queue, but the subclass indicates␊ |
| 202 | ␉// that it can not yet process this task.␊ |
| 203 | ␉void ␉AddSCSITaskToHeadOfQueue ( SCSITask * request );␊ |
| 204 | ␉␊ |
| 205 | ␉// Remove the next SCSI Task for the queue and return it.␊ |
| 206 | ␉SCSITask * RetrieveNextSCSITaskFromQueue ( void );␊ |
| 207 | ␉␊ |
| 208 | ␉// Check to see if the SCSI Task resides in the queue and abort it if it does.␊ |
| 209 | ␉bool ␉AbortSCSITaskFromQueue ( SCSITask * request );␊ |
| 210 | ␉␊ |
| 211 | ␉// Methods for sending and completing SCSI tasks␊ |
| 212 | ␉void␉SendSCSITasksFromQueue ( void );␊ |
| 213 | ␉␊ |
| 214 | ␉void␉RejectSCSITasksCurrentlyQueued ( void );␊ |
| 215 | ␉␊ |
| 216 | ␉void␉ProcessCompletedTask ( ␉SCSITaskIdentifier ␉request, ␊ |
| 217 | ␉␉␉␉␉␉␉␉␉SCSIServiceResponse serviceResponse,␊ |
| 218 | ␉␉␉␉␉␉␉␉␉SCSITaskStatus␉␉taskStatus );␊ |
| 219 | ␉void␉RejectTask ( SCSITaskIdentifier␉␉request );␊ |
| 220 | ␉␊ |
| 221 | ␉// ------ Power Management Support ------␊ |
| 222 | ␉␊ |
| 223 | ␉// The InitializePowerManagement method is called to initialize power management.␊ |
| 224 | ␉// In the protocol services layer, this method calls the protocol interface layer␊ |
| 225 | ␉// to initialize power management state variables and then registers the protocol␊ |
| 226 | ␉// layer driver with the power manager with two(2) states, ON and OFF.␉␊ |
| 227 | ␉virtual void␉␉InitializePowerManagement ( IOService * provider );␊ |
| 228 | ␉␊ |
| 229 | ␉// The GetInitialPowerState method is called once, right after InitializePowerManagement()␊ |
| 230 | ␉// in order to determine what state the device is initially in at startup time (usually␊ |
| 231 | ␉// the highest power mode).␊ |
| 232 | ␉virtual UInt32␉␉GetInitialPowerState ( void );␊ |
| 233 | ␉␊ |
| 234 | ␉// The HandlePowerChange method is pure virtual and is left to each protocol or␊ |
| 235 | ␉// application layer driver to implement. It is guaranteed to be called on its␊ |
| 236 | ␉// own thread of execution and can make synchronous or asynchronous calls.␊ |
| 237 | ␉virtual void␉␉HandlePowerChange ( void );␊ |
| 238 | ␉␊ |
| 239 | ␉// The HandleCheckPowerState (void) method is on the serialized side of the command␊ |
| 240 | ␉// gate and can change member variables safely without multi-threading issues.␊ |
| 241 | ␉// It's main purpose is to call the superclass' HandleCheckPowerState ( UInt32 maxPowerState )␊ |
| 242 | ␉// with the max power state the class registered with.␊ |
| 243 | ␉virtual void␉␉HandleCheckPowerState ( void );␊ |
| 244 | ␉␊ |
| 245 | ␉// The TicklePowerManager ( void ) method is called by CheckPowerState and␊ |
| 246 | ␉// sends an activity tickle to the power manager so that the idle timer is␊ |
| 247 | ␉// reset.␊ |
| 248 | ␉virtual void␉␉TicklePowerManager ( void );␊ |
| 249 | ␉␊ |
| 250 | ␉// The HandlePowerOff method is called to do any bus specific activity␊ |
| 251 | ␉// necessary before shutting down and going to sleep.␊ |
| 252 | ␉virtual IOReturn␉HandlePowerOff ( void );␊ |
| 253 | ␉␊ |
| 254 | ␉// The HandlePowerOn method is called to do any bus specific activity␊ |
| 255 | ␉// necessary to recover from power-on/wake from sleep (e.g. bus reset on ATAPI)␊ |
| 256 | ␉virtual IOReturn␉HandlePowerOn ( void );␊ |
| 257 | ␉␊ |
| 258 | public:␊ |
| 259 | ␉␊ |
| 260 | ␉virtual bool␉start␉( IOService * provider );␊ |
| 261 | ␉virtual void␉free␉( void );␊ |
| 262 | ␉␊ |
| 263 | ␉void RegisterSCSITaskCompletionRoutine ( SCSITaskCompletion completion );␊ |
| 264 | ␉␊ |
| 265 | ␉// ------- SCSI Architecture Model Task Management Functions ------␊ |
| 266 | ␉// The ExecuteCommand method will take a SCSI Task and transport␊ |
| 267 | ␉// it across the physical wire(s) to the device␊ |
| 268 | ␉void␉␉␉␉␉ExecuteCommand ( SCSITaskIdentifier␉request );␊ |
| 269 | ␉␊ |
| 270 | ␉// The Task Management function to allow the SCSI Application Layer client to request␊ |
| 271 | ␉// that a specific task be aborted.␊ |
| 272 | ␉SCSIServiceResponse␉␉AbortTask ( UInt8 theLogicalUnit, SCSITaggedTaskIdentifier theTag );␊ |
| 273 | ␊ |
| 274 | ␉// The Task Management function to allow the SCSI Application Layer client to request␊ |
| 275 | ␉// that a all tasks curerntly in the task set be aborted.␊ |
| 276 | ␉SCSIServiceResponse␉␉AbortTaskSet ( UInt8 theLogicalUnit );␊ |
| 277 | ␊ |
| 278 | ␉SCSIServiceResponse␉␉ClearACA ( UInt8 theLogicalUnit );␊ |
| 279 | ␊ |
| 280 | ␉SCSIServiceResponse␉␉ClearTaskSet ( UInt8 theLogicalUnit );␊ |
| 281 | ␊ |
| 282 | ␉SCSIServiceResponse␉␉LogicalUnitReset ( UInt8 theLogicalUnit );␊ |
| 283 | ␊ |
| 284 | ␉SCSIServiceResponse␉␉TargetReset ( void );␊ |
| 285 | ␉␊ |
| 286 | // ************* Obsoleted Member Routine ****************␊ |
| 287 | // The AbortCommand method is replaced by the AbortTask Management function and␊ |
| 288 | // should no longer be called.␊ |
| 289 | ␉virtual SCSIServiceResponse␉␉AbortCommand ( SCSITaskIdentifier␉request );␊ |
| 290 | ␊ |
| 291 | ␉␊ |
| 292 | ␉// ---- Method used for determining protocol or physical interconnect characteristics. ----␊ |
| 293 | ␉// The IsProtocolServiceSupported will return true if the specified␊ |
| 294 | ␉// feature is supported by the protocol layer. If the service has a value that must be␊ |
| 295 | ␉// returned, it will be returned in the serviceValue output parameter.␊ |
| 296 | ␉virtual bool␉IsProtocolServiceSupported ( SCSIProtocolFeature feature, void * serviceValue ) = 0;␊ |
| 297 | ␊ |
| 298 | ␉// The HandleProtocolServiceFeature instructs the Protocol Services driver to perform the necessary ␊ |
| 299 | ␉// tasks for the indicated feature.␊ |
| 300 | ␉virtual bool␉HandleProtocolServiceFeature ( SCSIProtocolFeature feature, void * serviceValue ) = 0;␊ |
| 301 | ␊ |
| 302 | protected:␊ |
| 303 | ␉␊ |
| 304 | ␉// ----- Protocol Services Driver request handlers for Task Management functions -----␊ |
| 305 | ␉// These should be abstract so that every Protocol Services Driver would have to␊ |
| 306 | ␉// override them, but since they are new member routines, this class will provide␊ |
| 307 | ␉// a default implementation.␊ |
| 308 | OSMetaClassDeclareReservedUsed ( IOSCSIProtocolServices, 1 );␊ |
| 309 | ␉virtual SCSIServiceResponse␉␉HandleAbortTask ( ␊ |
| 310 | ␉␉␉␉␉␉␉␉␉␉␉UInt8 ␉␉␉␉␉␉theLogicalUnit, ␊ |
| 311 | ␉␉␉␉␉␉␉␉␉␉␉SCSITaggedTaskIdentifier ␉theTag );␊ |
| 312 | ␊ |
| 313 | OSMetaClassDeclareReservedUsed ( IOSCSIProtocolServices, 2 );␊ |
| 314 | ␉virtual SCSIServiceResponse␉␉HandleAbortTaskSet ( ␊ |
| 315 | ␉␉␉␉␉␉␉␉␉␉␉UInt8 ␉␉␉␉␉␉theLogicalUnit );␊ |
| 316 | ␉␊ |
| 317 | OSMetaClassDeclareReservedUsed ( IOSCSIProtocolServices, 3 );␊ |
| 318 | ␉virtual SCSIServiceResponse␉␉HandleClearACA ( ␊ |
| 319 | ␉␉␉␉␉␉␉␉␉␉␉UInt8 ␉␉␉␉␉␉theLogicalUnit );␊ |
| 320 | ␉␊ |
| 321 | OSMetaClassDeclareReservedUsed ( IOSCSIProtocolServices, 4 );␊ |
| 322 | ␉virtual SCSIServiceResponse␉␉HandleClearTaskSet (␊ |
| 323 | ␉␉␉␉␉␉␉␉␉␉␉UInt8 ␉␉␉␉␉␉theLogicalUnit );␊ |
| 324 | ␉␊ |
| 325 | OSMetaClassDeclareReservedUsed ( IOSCSIProtocolServices, 5 );␊ |
| 326 | ␉virtual SCSIServiceResponse␉␉HandleLogicalUnitReset (␊ |
| 327 | ␉␉␉␉␉␉␉␉␉␉␉UInt8 ␉␉␉␉␉␉theLogicalUnit );␊ |
| 328 | ␉␉␉␉␉␉␉␉␉␉␉␊ |
| 329 | OSMetaClassDeclareReservedUsed ( IOSCSIProtocolServices, 6 );␊ |
| 330 | // The HandleTargetReset member routine requests that the Protocol Services Driver␊ |
| 331 | // perform the necessary steps detailed in the specification that defines the ␊ |
| 332 | // protocol the driver represents for the TargetReset management function.␊ |
| 333 | ␉virtual SCSIServiceResponse␉␉HandleTargetReset ( void );␊ |
| 334 | ␊ |
| 335 | ␊ |
| 336 | OSMetaClassDeclareReservedUsed ( IOSCSIProtocolServices, 7 );␊ |
| 337 | // The CreateSCSITargetDevice member routine will create the appropriate object␊ |
| 338 | // to represent the Target portion of a SCSI Device. This object is responsible␊ |
| 339 | // for managing the Target functions of the SCSI Device including the Task Manager and␊ |
| 340 | // Logical Units.␊ |
| 341 | // If the SCSITargetDevice object was successfully created, a true value will be␊ |
| 342 | // returned, otherwisw, this will return false.␊ |
| 343 | ␉virtual bool␉␉␉␉␉CreateSCSITargetDevice ( void );␊ |
| 344 | ␉␊ |
| 345 | private:␊ |
| 346 | ␉␊ |
| 347 | ␉// Space reserved for future expansion.␊ |
| 348 | OSMetaClassDeclareReservedUnused ( IOSCSIProtocolServices, 8 );␊ |
| 349 | OSMetaClassDeclareReservedUnused ( IOSCSIProtocolServices, ␉9 );␊ |
| 350 | OSMetaClassDeclareReservedUnused ( IOSCSIProtocolServices, 10 );␊ |
| 351 | OSMetaClassDeclareReservedUnused ( IOSCSIProtocolServices, 11 );␊ |
| 352 | OSMetaClassDeclareReservedUnused ( IOSCSIProtocolServices, 12 );␊ |
| 353 | OSMetaClassDeclareReservedUnused ( IOSCSIProtocolServices, 13 );␊ |
| 354 | OSMetaClassDeclareReservedUnused ( IOSCSIProtocolServices, 14 );␊ |
| 355 | OSMetaClassDeclareReservedUnused ( IOSCSIProtocolServices, 15 );␊ |
| 356 | OSMetaClassDeclareReservedUnused ( IOSCSIProtocolServices, 16 );␊ |
| 357 | ␊ |
| 358 | };␊ |
| 359 | ␊ |
| 360 | #endif␉/* defined(KERNEL) && defined(__cplusplus) */␊ |
| 361 | ␊ |
| 362 | #endif␉/* _IOKIT_IO_SCSI_PROTOCOL_SERVICES_H_ */␊ |
| 363 | |
