ATAController.h@ 43673

Last change on this file since 43673 was 37690, checked in by vboxsync, 13 years ago
Device/AHCI: 32bit alignment fixes
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1	/* $Id: ATAController.h 37690 2011-06-29 16:05:54Z vboxsync $ */
2	/** @file
3	* DevATA, DevAHCI - Shared ATA/ATAPI controller types.
4	*/
5
6	/*
7	* Copyright (C) 2006-2011 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18	#ifndef ___Storage_ATAController_h
19	#define ___Storage_ATAController_h
20
21	/*******************************************************************************
22	* Header Files *
23	*******************************************************************************/
24	#include <VBox/vmm/pdmdev.h>
25	#ifdef IN_RING3
26	# include <iprt/semaphore.h>
27	# include <iprt/thread.h>
28	#endif /* IN_RING3 */
29	#include <iprt/critsect.h>
30	#include <VBox/vmm/stam.h>
31
32	#include "PIIX3ATABmDma.h"
33	#include "ide.h"
34
35
36	/*******************************************************************************
37	* Defined Constants And Macros *
38	*******************************************************************************/
39	/**
40	* Maximum number of sectors to transfer in a READ/WRITE MULTIPLE request.
41	* Set to 1 to disable multi-sector read support. According to the ATA
42	* specification this must be a power of 2 and it must fit in an 8 bit
43	* value. Thus the only valid values are 1, 2, 4, 8, 16, 32, 64 and 128.
44	*/
45	#define ATA_MAX_MULT_SECTORS 128
46
47	/**
48	* Fastest PIO mode supported by the drive.
49	*/
50	#define ATA_PIO_MODE_MAX 4
51	/**
52	* Fastest MDMA mode supported by the drive.
53	*/
54	#define ATA_MDMA_MODE_MAX 2
55	/**
56	* Fastest UDMA mode supported by the drive.
57	*/
58	#define ATA_UDMA_MODE_MAX 6
59
60	/** ATAPI sense info size. */
61	#define ATAPI_SENSE_SIZE 64
62
63	/** The maximum number of release log entries per device. */
64	#define MAX_LOG_REL_ERRORS 1024
65
66	/* MediaEventStatus */
67	#define ATA_EVENT_STATUS_UNCHANGED 0 /*< medium event status not changed /
68	#define ATA_EVENT_STATUS_MEDIA_NEW 1 /*< new medium inserted /
69	#define ATA_EVENT_STATUS_MEDIA_REMOVED 2 /*< medium removed /
70	#define ATA_EVENT_STATUS_MEDIA_CHANGED 3 /*< medium was removed + new medium was inserted /
71	#define ATA_EVENT_STATUS_MEDIA_EJECT_REQUESTED 4 /*< medium eject requested (eject button pressed) /
72
73
74	/*******************************************************************************
75	* Structures and Typedefs *
76	*******************************************************************************/
77	typedef struct AHCIATADevState {
78	/** Flag indicating whether the current command uses LBA48 mode. */
79	bool fLBA48;
80	/** Flag indicating whether this drive implements the ATAPI command set. */
81	bool fATAPI;
82	/** Set if this interface has asserted the IRQ. */
83	bool fIrqPending;
84	/** Currently configured number of sectors in a multi-sector transfer. */
85	uint8_t cMultSectors;
86	/** PCHS disk geometry. */
87	PDMMEDIAGEOMETRY PCHSGeometry;
88	/** Total number of sectors on this disk. */
89	uint64_t cTotalSectors;
90	/** Number of sectors to transfer per IRQ. */
91	uint32_t cSectorsPerIRQ;
92
93	/** ATA/ATAPI register 1: feature (write-only). */
94	uint8_t uATARegFeature;
95	/** ATA/ATAPI register 1: feature, high order byte. */
96	uint8_t uATARegFeatureHOB;
97	/** ATA/ATAPI register 1: error (read-only). */
98	uint8_t uATARegError;
99	/** ATA/ATAPI register 2: sector count (read/write). */
100	uint8_t uATARegNSector;
101	/** ATA/ATAPI register 2: sector count, high order byte. */
102	uint8_t uATARegNSectorHOB;
103	/** ATA/ATAPI register 3: sector (read/write). */
104	uint8_t uATARegSector;
105	/** ATA/ATAPI register 3: sector, high order byte. */
106	uint8_t uATARegSectorHOB;
107	/** ATA/ATAPI register 4: cylinder low (read/write). */
108	uint8_t uATARegLCyl;
109	/** ATA/ATAPI register 4: cylinder low, high order byte. */
110	uint8_t uATARegLCylHOB;
111	/** ATA/ATAPI register 5: cylinder high (read/write). */
112	uint8_t uATARegHCyl;
113	/** ATA/ATAPI register 5: cylinder high, high order byte. */
114	uint8_t uATARegHCylHOB;
115	/** ATA/ATAPI register 6: select drive/head (read/write). */
116	uint8_t uATARegSelect;
117	/** ATA/ATAPI register 7: status (read-only). */
118	uint8_t uATARegStatus;
119	/** ATA/ATAPI register 7: command (write-only). */
120	uint8_t uATARegCommand;
121	/** ATA/ATAPI drive control register (write-only). */
122	uint8_t uATARegDevCtl;
123
124	/** Currently active transfer mode (MDMA/UDMA) and speed. */
125	uint8_t uATATransferMode;
126	/** Current transfer direction. */
127	uint8_t uTxDir;
128	/** Index of callback for begin transfer. */
129	uint8_t iBeginTransfer;
130	/** Index of callback for source/sink of data. */
131	uint8_t iSourceSink;
132	/** Flag indicating whether the current command transfers data in DMA mode. */
133	bool fDMA;
134	/** Set to indicate that ATAPI transfer semantics must be used. */
135	bool fATAPITransfer;
136
137	/** Total ATA/ATAPI transfer size, shared PIO/DMA. */
138	uint32_t cbTotalTransfer;
139	/** Elementary ATA/ATAPI transfer size, shared PIO/DMA. */
140	uint32_t cbElementaryTransfer;
141	/** Current read/write buffer position, shared PIO/DMA. */
142	uint32_t iIOBufferCur;
143	/** First element beyond end of valid buffer content, shared PIO/DMA. */
144	uint32_t iIOBufferEnd;
145
146	/** ATA/ATAPI current PIO read/write transfer position. Not shared with DMA for safety reasons. */
147	uint32_t iIOBufferPIODataStart;
148	/** ATA/ATAPI current PIO read/write transfer end. Not shared with DMA for safety reasons. */
149	uint32_t iIOBufferPIODataEnd;
150
151	/** ATAPI current LBA position. */
152	uint32_t iATAPILBA;
153	/** ATAPI current sector size. */
154	uint32_t cbATAPISector;
155	/** ATAPI current command. */
156	uint8_t aATAPICmd[ATAPI_PACKET_SIZE];
157	/** ATAPI sense data. */
158	uint8_t abATAPISense[ATAPI_SENSE_SIZE];
159	/** HACK: Countdown till we report a newly unmounted drive as mounted. */
160	uint8_t cNotifiedMediaChange;
161	/** The same for GET_EVENT_STATUS for mechanism */
162	volatile uint32_t MediaEventStatus;
163
164	/** The status LED state for this drive. */
165	R3PTRTYPE(PPDMLED) pLed;
166	#if HC_ARCH_BITS == 64
167	uint32_t uAlignment3;
168	#endif
169
170	/** Size of I/O buffer. */
171	uint32_t cbIOBuffer;
172	/** Pointer to the I/O buffer. */
173	R3PTRTYPE(uint8_t *) pbIOBufferR3;
174	/** Pointer to the I/O buffer. */
175	R0PTRTYPE(uint8_t *) pbIOBufferR0;
176	/** Pointer to the I/O buffer. */
177	RCPTRTYPE(uint8_t *) pbIOBufferRC;
178
179	RTRCPTR Aligmnent1; /*< Align the statistics at an 8-byte boundary. /
180
181	/*
182	* No data that is part of the saved state after this point!!!!!
183	*/
184
185	/* Release statistics: number of ATA DMA commands. */
186	STAMCOUNTER StatATADMA;
187	/* Release statistics: number of ATA PIO commands. */
188	STAMCOUNTER StatATAPIO;
189	/* Release statistics: number of ATAPI PIO commands. */
190	STAMCOUNTER StatATAPIDMA;
191	/* Release statistics: number of ATAPI PIO commands. */
192	STAMCOUNTER StatATAPIPIO;
193	#ifdef VBOX_INSTRUMENT_DMA_WRITES
194	/* Release statistics: number of DMA sector writes and the time spent. */
195	STAMPROFILEADV StatInstrVDWrites;
196	#endif
197
198	/** Statistics: number of read operations and the time spent reading. */
199	STAMPROFILEADV StatReads;
200	/** Statistics: number of bytes read. */
201	R3PTRTYPE(PSTAMCOUNTER) pStatBytesRead;
202	#if HC_ARCH_BITS == 64
203	uint64_t uAlignment4;
204	#endif
205	/** Statistics: number of write operations and the time spent writing. */
206	STAMPROFILEADV StatWrites;
207	/** Statistics: number of bytes written. */
208	R3PTRTYPE(PSTAMCOUNTER) pStatBytesWritten;
209	#if HC_ARCH_BITS == 64
210	uint64_t uAlignment5;
211	#endif
212	/** Statistics: number of flush operations and the time spend flushing. */
213	STAMPROFILE StatFlushes;
214
215	/** The serial number to use for IDENTIFY DEVICE commands. */
216	R3PTRTYPE(const char *) pszSerialNumber;
217	/** The firmware revision to use for IDENTIFY DEVICE commands. */
218	R3PTRTYPE(const char *) pszFirmwareRevision;
219	/** The model number to use for IDENTIFY DEVICE commands. */
220	R3PTRTYPE(const char *) pszModelNumber;
221	/** The vendor identification string for SCSI INQUIRY commands. */
222	R3PTRTYPE(const char *) pszInquiryVendorId;
223	/** The product identification string for SCSI INQUIRY commands. */
224	R3PTRTYPE(const char *) pszInquiryProductId;
225	/** The revision string for SCSI INQUIRY commands. */
226	R3PTRTYPE(const char *) pszInquiryRevision;
227	/** Mark the drive as having a non-rotational medium (i.e. as a SSD). */
228	bool fNonRotational;
229	/** Enable passing through commands directly to the ATAPI drive. */
230	bool fATAPIPassthrough;
231	/** Number of errors we've reported to the release log.
232	* This is to prevent flooding caused by something going horribly wrong.
233	* this value against MAX_LOG_REL_ERRORS in places likely to cause floods
234	* like the ones we currently seeing on the linux smoke tests (2006-11-10). */
235	uint32_t cErrors;
236	/** Timestamp of last started command. 0 if no command pending. */
237	uint64_t u64CmdTS;
238
239	/** Pointer to the attached driver's base interface. */
240	R3PTRTYPE(PPDMIBASE) pDrvBase;
241	/** Pointer to the attached driver's block interface. */
242	R3PTRTYPE(PPDMIBLOCK) pDrvBlock;
243	/** Pointer to the attached driver's block bios interface. */
244	R3PTRTYPE(PPDMIBLOCKBIOS) pDrvBlockBios;
245	/** Pointer to the attached driver's mount interface.
246	* This is NULL if the driver isn't a removable unit. */
247	R3PTRTYPE(PPDMIMOUNT) pDrvMount;
248	/** The base interface. */
249	PDMIBASE IBase;
250	/** The block port interface. */
251	PDMIBLOCKPORT IPort;
252	/** The mount notify interface. */
253	PDMIMOUNTNOTIFY IMountNotify;
254	/** The LUN #. */
255	RTUINT iLUN;
256	#if HC_ARCH_BITS == 64
257	RTUINT Alignment2; /*< Align pDevInsR3 correctly. /
258	#endif
259	/** Pointer to device instance. */
260	PPDMDEVINSR3 pDevInsR3;
261	/** Pointer to controller instance. */
262	R3PTRTYPE(struct AHCIATACONTROLLER *) pControllerR3;
263	/** Pointer to device instance. */
264	PPDMDEVINSR0 pDevInsR0;
265	/** Pointer to controller instance. */
266	R0PTRTYPE(struct AHCIATACONTROLLER *) pControllerR0;
267	/** Pointer to device instance. */
268	PPDMDEVINSRC pDevInsRC;
269	/** Pointer to controller instance. */
270	RCPTRTYPE(struct AHCIATACONTROLLER *) pControllerRC;
271	} AHCIATADevState;
272
273
274	typedef struct AHCIATATransferRequest
275	{
276	uint8_t iIf;
277	uint8_t iBeginTransfer;
278	uint8_t iSourceSink;
279	uint32_t cbTotalTransfer;
280	uint8_t uTxDir;
281	} AHCIATATransferRequest;
282
283
284	typedef struct AHCIATAAbortRequest
285	{
286	uint8_t iIf;
287	bool fResetDrive;
288	} AHCIATAAbortRequest;
289
290
291	typedef enum
292	{
293	/** Begin a new transfer. */
294	AHCIATA_AIO_NEW = 0,
295	/** Continue a DMA transfer. */
296	AHCIATA_AIO_DMA,
297	/** Continue a PIO transfer. */
298	AHCIATA_AIO_PIO,
299	/** Reset the drives on current controller, stop all transfer activity. */
300	AHCIATA_AIO_RESET_ASSERTED,
301	/** Reset the drives on current controller, resume operation. */
302	AHCIATA_AIO_RESET_CLEARED,
303	/** Abort the current transfer of a particular drive. */
304	AHCIATA_AIO_ABORT
305	} AHCIATAAIO;
306
307
308	typedef struct AHCIATARequest
309	{
310	AHCIATAAIO ReqType;
311	union
312	{
313	AHCIATATransferRequest t;
314	AHCIATAAbortRequest a;
315	} u;
316	} AHCIATARequest;
317
318
319	typedef struct AHCIATACONTROLLER
320	{
321	/** The base of the first I/O Port range. */
322	RTIOPORT IOPortBase1;
323	/** The base of the second I/O Port range. (0 if none) */
324	RTIOPORT IOPortBase2;
325	/** The assigned IRQ. */
326	RTUINT irq;
327	/** Access critical section */
328	PDMCRITSECT lock;
329
330	/** Selected drive. */
331	uint8_t iSelectedIf;
332	/** The interface on which to handle async I/O. */
333	uint8_t iAIOIf;
334	/** The state of the async I/O thread. */
335	uint8_t uAsyncIOState;
336	/** Flag indicating whether the next transfer is part of the current command. */
337	bool fChainedTransfer;
338	/** Set when the reset processing is currently active on this controller. */
339	bool fReset;
340	/** Flag whether the current transfer needs to be redone. */
341	bool fRedo;
342	/** Flag whether the redo suspend has been finished. */
343	bool fRedoIdle;
344	/** Flag whether the DMA operation to be redone is the final transfer. */
345	bool fRedoDMALastDesc;
346	/** The BusMaster DMA state. */
347	BMDMAState BmDma;
348	/** Pointer to first DMA descriptor. */
349	RTGCPHYS32 pFirstDMADesc;
350	/** Pointer to last DMA descriptor. */
351	RTGCPHYS32 pLastDMADesc;
352	/** Pointer to current DMA buffer (for redo operations). */
353	RTGCPHYS32 pRedoDMABuffer;
354	/** Size of current DMA buffer (for redo operations). */
355	uint32_t cbRedoDMABuffer;
356
357	/** The ATA/ATAPI interfaces of this controller. */
358	AHCIATADevState aIfs[2];
359
360	/** Pointer to device instance. */
361	PPDMDEVINSR3 pDevInsR3;
362	/** Pointer to device instance. */
363	PPDMDEVINSR0 pDevInsR0;
364	/** Pointer to device instance. */
365	PPDMDEVINSRC pDevInsRC;
366
367	/** Set when the destroying the device instance and the thread must exit. */
368	uint32_t volatile fShutdown;
369	/** The async I/O thread handle. NIL_RTTHREAD if no thread. */
370	RTTHREAD AsyncIOThread;
371	/** The event semaphore the thread is waiting on for requests. */
372	RTSEMEVENT AsyncIOSem;
373	/** The request queue for the AIO thread. One element is always unused. */
374	AHCIATARequest aAsyncIORequests[4];
375	/** The position at which to insert a new request for the AIO thread. */
376	uint8_t AsyncIOReqHead;
377	/** The position at which to get a new request for the AIO thread. */
378	uint8_t AsyncIOReqTail;
379	/** Whether to call RTThreadUserSignal and PDMDevHlpAsyncNotificationCompleted
380	* when idle. Before setting this, call RTThreadUserReset. */
381	bool volatile fSignalIdle;
382	uint8_t Alignment3[1]; /*< Explicit padding of the 1 byte gap. /
383	/** Magic delay before triggering interrupts in DMA mode. */
384	uint32_t DelayIRQMillies;
385	/** The mutex protecting the request queue. */
386	RTSEMMUTEX AsyncIORequestMutex;
387	/** The event semaphore the thread is waiting on during suspended I/O. */
388	RTSEMEVENT SuspendIOSem;
389	/** Pointer to Media Notify interface. */
390	R3PTRTYPE(PPDMIMEDIANOTIFY) pMediaNotify;
391	#if HC_ARCH_BITS == 32
392	uint32_t Alignment0;
393	#endif
394
395	/* Statistics */
396	STAMCOUNTER StatAsyncOps;
397	uint64_t StatAsyncMinWait;
398	uint64_t StatAsyncMaxWait;
399	STAMCOUNTER StatAsyncTimeUS;
400	STAMPROFILEADV StatAsyncTime;
401	STAMPROFILE StatLockWait;
402	} AHCIATACONTROLLER, *PAHCIATACONTROLLER;
403
404	#ifndef VBOX_DEVICE_STRUCT_TESTCASE
405
406	#define ATADEVSTATE_2_CONTROLLER(pIf) ( (pIf)->CTX_SUFF(pController) )
407	#define ATADEVSTATE_2_DEVINS(pIf) ( (pIf)->CTX_SUFF(pDevIns) )
408	#define CONTROLLER_2_DEVINS(pController) ( (pController)->CTX_SUFF(pDevIns) )
409	#define PDMIBASE_2_ATASTATE(pInterface) ( (AHCIATADevState *)((uintptr_t)(pInterface) - RT_OFFSETOF(AHCIATADevState, IBase)) )
410
411
412	/*******************************************************************************
413	* Internal Functions *
414	******************************************************************************/
415	RT_C_DECLS_BEGIN
416	int ataControllerIOPortWrite1(PAHCIATACONTROLLER pCtl, RTIOPORT Port, uint32_t u32, unsigned cb);
417	int ataControllerIOPortRead1(PAHCIATACONTROLLER pCtl, RTIOPORT Port, uint32_t *u32, unsigned cb);
418	int ataControllerIOPortWriteStr1(PAHCIATACONTROLLER pCtl, RTIOPORT Port, RTGCPTR *pGCPtrSrc, PRTGCUINTREG pcTransfer, unsigned cb);
419	int ataControllerIOPortReadStr1(PAHCIATACONTROLLER pCtl, RTIOPORT Port, RTGCPTR *pGCPtrDst, PRTGCUINTREG pcTransfer, unsigned cb);
420	int ataControllerIOPortWrite2(PAHCIATACONTROLLER pCtl, RTIOPORT Port, uint32_t u32, unsigned cb);
421	int ataControllerIOPortRead2(PAHCIATACONTROLLER pCtl, RTIOPORT Port, uint32_t *u32, unsigned cb);
422	int ataControllerBMDMAIOPortRead(PAHCIATACONTROLLER pCtl, RTIOPORT Port, uint32_t *pu32, unsigned cb);
423	int ataControllerBMDMAIOPortWrite(PAHCIATACONTROLLER pCtl, RTIOPORT Port, uint32_t u32, unsigned cb);
424	RT_C_DECLS_END
425
426	#ifdef IN_RING3
427	/**
428	* Initialize a controller state.
429	*
430	* @returns VBox status code.
431	* @param pDevIns Pointer to the device instance which creates a controller.
432	* @param pCtl Pointer to the unitialized ATA controller structure.
433	* @param pMediaNotify Pointer to PDM interface for media eject.
434	* @param iLUNMaster Port number of the master device.
435	* @param pDrvBaseMaster Pointer to the base driver interface which acts as the master.
436	* @param pLedMaster Pointer to LED state for master device.
437	* @param pStatBytesReadMaster Pointer to statistics structure for reads.
438	* @param pStatBytesWrittenMaster Pointer to statistics structure for writes.
439	* @param pszSerialNumberMaster VPD serial number for master.
440	* @param pszFirmwareRevisionMaster VPD firmware revision for master
441	* @param pszModelNumberMaster VPD model number for master
442	* @param pszInquiryVendorIdMaster VPD vendor ID for master
443	* @param pszInquiryProductIdMaster VPD product ID for master
444	* @param pszInquiryRevisionMaster VPD revision for master
445	* @param fNonRotationalMaster Flag for non-rotational media.
446	* @param iLUNSlave Port number of the slave device.
447	* @param pDrvBaseSlave Pointer to the base driver interface which acts as the slave.
448	* @param pLedSlave Pointer to LED state for slave device.
449	* @param pStatBytesReadSlave Pointer to statistics structure for reads.
450	* @param pStatBytesWrittenSlave Pointer to statistics structure for writes.
451	* @param pszSerialNumberSlave VPD serial number for slave.
452	* @param pszFirmwareRevisionSlave VPD firmware revision for slave
453	* @param pszModelNumberSlave VPD model number for slave
454	* @param pszInquiryVendorIdSlave VPD vendor ID for slave
455	* @param pszInquiryProductIdSlave VPD product ID for slave
456	* @param pszInquiryRevisionSlave VPD revision for slave
457	* @param fNonRotationalSlave Flag for non-rotational media.
458	* @param pcbSSMState Where to store the size of the device state for loading/saving.
459	* @param szName Name of the controller (Used to initialize the critical section).
460	*/
461	int ataControllerInit(PPDMDEVINS pDevIns, PAHCIATACONTROLLER pCtl,
462	PPDMIMEDIANOTIFY pMediaNotify,
463	unsigned iLUNMaster, PPDMIBASE pDrvBaseMaster, PPDMLED pLedMaster,
464	PSTAMCOUNTER pStatBytesReadMaster, PSTAMCOUNTER pStatBytesWrittenMaster,
465	const char pszSerialNumberMaster, const char pszFirmwareRevisionMaster,
466	const char pszModelNumberMaster, const char pszInquiryVendorIdMaster,
467	const char pszInquiryProductIdMaster, const char pszInquiryRevisionMaster,
468	bool fNonRotationalMaster,
469	unsigned iLUNSlave, PPDMIBASE pDrvBaseSlave, PPDMLED pLedSlave,
470	PSTAMCOUNTER pStatBytesReadSlave, PSTAMCOUNTER pStatBytesWrittenSlave,
471	const char pszSerialNumberSlave, const char pszFirmwareRevisionSlave,
472	const char pszModelNumberSlave, const char pszInquiryVendorIdSlave,
473	const char pszInquiryProductIdSlave, const char pszInquiryRevisionSlave,
474	bool fNonRotationalSlave,
475	uint32_t pcbSSMState, const char szName);
476
477	/**
478	* Free all allocated resources for one controller instance.
479	*
480	* @returns VBox status code.
481	* @param pCtl The controller instance.
482	*/
483	int ataControllerDestroy(PAHCIATACONTROLLER pCtl);
484
485	/**
486	* Tests if the controller is idle, leaving the PDM notifications on if busy.
487	*
488	* @returns true if idle, false if idle.
489	* @param pCtl the controller instance.
490	*/
491	bool ataControllerIsIdle(PAHCIATACONTROLLER pCtl);
492
493	/**
494	* Reset a controller instance to an initial state.
495	*
496	* @returns VBox status code.
497	* @param pCtl Pointer to the controller.
498	*/
499	void ataControllerReset(PAHCIATACONTROLLER pCtl);
500
501	/**
502	* Resume operation of an controller.
503	*
504	* @returns nothing
505	* @param pCtl The controller instance.
506	*/
507
508	void ataControllerResume(PAHCIATACONTROLLER pCtl);
509
510	/**
511	* Relocate necessary pointers.
512	*
513	* @returns nothing.
514	* @param pCtl The controller instance.
515	* @param offDelta The relocation delta relative to the old location.
516	*/
517	void ataControllerRelocate(PAHCIATACONTROLLER pCtl, RTGCINTPTR offDelta);
518
519	/**
520	* Execute state save operation.
521	*
522	* @returns VBox status code.
523	* @param pCtl The controller instance.
524	* @param pSSM SSM operation handle.
525	*/
526	int ataControllerSaveExec(PAHCIATACONTROLLER pCtl, PSSMHANDLE pSSM);
527
528	/**
529	* Excute state load operation.
530	*
531	* @returns VBox status code.
532	* @param pCtl The controller instance.
533	* @param pSSM SSM operation handle.
534	*/
535	int ataControllerLoadExec(PAHCIATACONTROLLER pCtl, PSSMHANDLE pSSM);
536
537	/**
538	* Attach command.
539	*
540	* This is called when we change block driver for the DVD drive.
541	*
542	* @returns VBox status code.
543	* @param pDevIns The device instance.
544	* @param iLUN The logical unit which is being detached.
545	*/
546	int ataControllerAttach(PAHCIATACONTROLLER pCtl, PPDMIBASE pDrvBase, bool fMaster);
547
548	/**
549	* Detach notification.
550	*
551	* The DVD drive has been unplugged.
552	*
553	* @param pDevIns The device instance.
554	* @param fMaster True if the master is detached
555	* false for the slave
556	*/
557	void ataControllerDetach(PAHCIATACONTROLLER pCtl, bool fMaster);
558
559	#endif /* IN_RING3 */
560
561	#endif /* !VBOX_DEVICE_STRUCT_TESTCASE */
562	#endif /* !___Storage_ATAController_h */
563

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source: vbox/trunk/src/VBox/Devices/Storage/ATAController.h@ 43673

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