VSCSIInternal.h@ 78223

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1	/* $Id: VSCSIInternal.h 76565 2019-01-01 04:23:20Z vboxsync $ */
2	/** @file
3	* Virtual SCSI driver: Internal defines
4	*/
5
6	/*
7	* Copyright (C) 2006-2019 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 VBOX_INCLUDED_SRC_Storage_VSCSI_VSCSIInternal_h
19	#define VBOX_INCLUDED_SRC_Storage_VSCSI_VSCSIInternal_h
20	#ifndef RT_WITHOUT_PRAGMA_ONCE
21	# pragma once
22	#endif
23
24	#include <VBox/vscsi.h>
25	#include <VBox/scsi.h>
26	#include <VBox/scsiinline.h>
27	#include <iprt/err.h>
28	#include <iprt/memcache.h>
29	#include <iprt/sg.h>
30	#include <iprt/list.h>
31
32	#include "VSCSIVpdPages.h"
33
34	/** Pointer to an internal virtual SCSI device. */
35	typedef VSCSIDEVICEINT *PVSCSIDEVICEINT;
36	/** Pointer to an internal virtual SCSI device LUN. */
37	typedef VSCSILUNINT *PVSCSILUNINT;
38	/** Pointer to an internal virtual SCSI device LUN pointer. */
39	typedef PVSCSILUNINT *PPVSCSILUNINT;
40	/** Pointer to a virtual SCSI LUN descriptor. */
41	typedef struct VSCSILUNDESC *PVSCSILUNDESC;
42	/** Pointer to a virtual SCSI request. */
43	typedef VSCSIREQINT *PVSCSIREQINT;
44	/** Pointer to a virtual SCSI I/O request. */
45	typedef VSCSIIOREQINT *PVSCSIIOREQINT;
46	/** Pointer to virtual SCSI sense data state. */
47	typedef struct VSCSISENSE *PVSCSISENSE;
48
49	/**
50	* Virtual SCSI sense data handling.
51	*/
52	typedef struct VSCSISENSE
53	{
54	/** Buffer holding the sense data. */
55	uint8_t abSenseBuf[32];
56	} VSCSISENSE;
57
58	/**
59	* Virtual SCSI device.
60	*/
61	typedef struct VSCSIDEVICEINT
62	{
63	/** Request completion callback */
64	PFNVSCSIREQCOMPLETED pfnVScsiReqCompleted;
65	/** Opaque user data. */
66	void *pvVScsiDeviceUser;
67	/** Number of LUNs currently attached. */
68	uint32_t cLunsAttached;
69	/** How many LUNs are fitting in the array. */
70	uint32_t cLunsMax;
71	/** Request cache */
72	RTMEMCACHE hCacheReq;
73	/** Sense data handling. */
74	VSCSISENSE VScsiSense;
75	/** Pointer to the array of LUN handles.
76	* The index is the LUN id. */
77	PPVSCSILUNINT papVScsiLun;
78	} VSCSIDEVICEINT;
79
80	/**
81	* Virtual SCSI device LUN.
82	*/
83	typedef struct VSCSILUNINT
84	{
85	/** Pointer to the parent SCSI device. */
86	PVSCSIDEVICEINT pVScsiDevice;
87	/** Opaque user data */
88	void *pvVScsiLunUser;
89	/** I/O callback table */
90	PVSCSILUNIOCALLBACKS pVScsiLunIoCallbacks;
91	/** Pointer to the LUN type descriptor. */
92	PVSCSILUNDESC pVScsiLunDesc;
93	/** Flag indicating whether LUN is ready. */
94	bool fReady;
95	/** Flag indicating media presence in LUN. */
96	bool fMediaPresent;
97	/** Flags of supported features. */
98	uint64_t fFeatures;
99	/** I/O request processing data */
100	struct
101	{
102	/** Number of outstanding tasks on this LUN. */
103	volatile uint32_t cReqOutstanding;
104	} IoReq;
105	} VSCSILUNINT;
106
107	/**
108	* Virtual SCSI request.
109	*/
110	typedef struct VSCSIREQINT
111	{
112	/** The LUN the request is for. */
113	uint32_t iLun;
114	/** The CDB */
115	uint8_t *pbCDB;
116	/** Size of the CDB */
117	size_t cbCDB;
118	/** S/G buffer. */
119	RTSGBUF SgBuf;
120	/** Pointer to the sense buffer. */
121	uint8_t *pbSense;
122	/** Size of the sense buffer */
123	size_t cbSense;
124	/** Opaque user data associated with this request */
125	void *pvVScsiReqUser;
126	/** Transfer size determined from the CDB. */
127	size_t cbXfer;
128	/** Pointer to the opaque data which may be allocated by the LUN
129	* the request is for. */
130	void *pvLun;
131	} VSCSIREQINT;
132
133	/**
134	* Virtual SCSI I/O request.
135	*/
136	typedef struct VSCSIIOREQINT
137	{
138	/** The associated request. */
139	PVSCSIREQINT pVScsiReq;
140	/** Lun for this I/O request. */
141	PVSCSILUNINT pVScsiLun;
142	/** Transfer direction */
143	VSCSIIOREQTXDIR enmTxDir;
144	/** Direction dependent data. */
145	union
146	{
147	/** Read/Write request. */
148	struct
149	{
150	/** Start offset */
151	uint64_t uOffset;
152	/** Number of bytes to transfer */
153	size_t cbTransfer;
154	/** Number of bytes the S/G list holds */
155	size_t cbSeg;
156	/** Number of segments. */
157	unsigned cSeg;
158	/** Segment array. */
159	PCRTSGSEG paSeg;
160	} Io;
161	/** Unmap request. */
162	struct
163	{
164	/** Array of ranges to unmap. */
165	PRTRANGE paRanges;
166	/** Number of ranges. */
167	unsigned cRanges;
168	} Unmap;
169	} u;
170	} VSCSIIOREQINT;
171
172	/**
173	* VPD page pool.
174	*/
175	typedef struct VSCSIVPDPOOL
176	{
177	/** List of registered pages (VSCSIVPDPAGE). */
178	RTLISTANCHOR ListPages;
179	} VSCSIVPDPOOL;
180	/** Pointer to the VSCSI VPD page pool. */
181	typedef VSCSIVPDPOOL *PVSCSIVPDPOOL;
182
183	/**
184	* Supported operation code information entry.
185	*/
186	typedef struct VSCSILUNSUPOPC
187	{
188	/** The operation code. */
189	uint8_t u8Opc;
190	/** Service action code if required as indicated by
191	* VSCSI_LUN_SUP_OPC_SVC_ACTION_REQUIRED */
192	uint16_t u16SvcAction;
193	/** Flags. */
194	uint32_t fFlags;
195	/** Readable description for the op code. */
196	const char *pszOpc;
197	/** The length of the CDB for this operation code. */
198	uint8_t cbCdb;
199	/** Pointer to the CDB usage data. */
200	uint8_t *pbCdbUsage;
201	/* The operation specific valuefor the timeout descriptor. */
202	uint8_t u8OpcTimeoutSpec;
203	/** The nominal processing timeout in seconds. */
204	uint16_t cNominalProcessingTimeout;
205	/** The recommend timeout in seconds. */
206	uint16_t cRecommendTimeout;
207	} VSCSILUNSUPOPC;
208	/** Pointer to a operation code information entry. */
209	typedef VSCSILUNSUPOPC *PVSCSILUNSUPOPC;
210	/** Pointer to a const operation code information entry. */
211	typedef const VSCSILUNSUPOPC *PCVSCSILUNSUPOPC;
212
213	/** @name Flags for the supported operation code infromation entries.
214	* @{ */
215	/** Flag indicating wheter the service action member is valid and should be
216	* evaluated to find the desired opcode information. */
217	#define VSCSI_LUN_SUP_OPC_SVC_ACTION_REQUIRED RT_BIT_32(0)
218	/** Flag whether the values for the timeout descriptor are valid. */
219	#define VSCSI_LUN_SUP_OPC_TIMEOUT_DESC_VALID RT_BIT_32(1)
220	/** @} */
221
222	/** @name Support macros to create supported operation code information entries.
223	* @{ */
224	#define VSCSI_LUN_SUP_OPC(a_u8Opc, a_pszOpc, a_cbCdb, a_pbCdbUsage) \
225	{ a_u8Opc, 0, 0, a_pszOpc, a_cbCdb, a_pbCdbUsage, 0, 0, 0}
226	#define VSCSI_LUN_SUP_OPC_SVC(a_u8Opc, a_u16SvcAction, a_pszOpc, a_cbCdb, a_pbCdbUsage) \
227	{ a_u8Opc, a_u16SvcAction, VSCSI_LUN_SUP_OPC_SVC_ACTION_REQUIRED, a_pszOpc, a_cbCdb, a_pbCdbUsage, 0, 0, 0}
228	/** @} */
229
230	/**
231	* Virtual SCSI LUN descriptor.
232	*/
233	typedef struct VSCSILUNDESC
234	{
235	/** Device type this descriptor emulates. */
236	VSCSILUNTYPE enmLunType;
237	/** Descriptor name */
238	const char *pcszDescName;
239	/** LUN type size */
240	size_t cbLun;
241	/** Number of entries in the supported operation codes array. */
242	uint32_t cSupOpcInfo;
243	/** Pointer to the array of supported operation codes for the
244	* REPORT RUPPORTED OPERATION CODES command handled by the generic
245	* device driver - optional.
246	*/
247	PCVSCSILUNSUPOPC paSupOpcInfo;
248
249	/**
250	* Initialise a Lun instance.
251	*
252	* @returns VBox status code.
253	* @param pVScsiLun The SCSI LUN instance.
254	*/
255	DECLR3CALLBACKMEMBER(int, pfnVScsiLunInit, (PVSCSILUNINT pVScsiLun));
256
257	/**
258	* Destroy a Lun instance.
259	*
260	* @returns VBox status code.
261	* @param pVScsiLun The SCSI LUN instance.
262	*/
263	DECLR3CALLBACKMEMBER(int, pfnVScsiLunDestroy, (PVSCSILUNINT pVScsiLun));
264
265	/**
266	* Processes a SCSI request.
267	*
268	* @returns VBox status code.
269	* @param pVScsiLun The SCSI LUN instance.
270	* @param pVScsiReq The SCSi request to process.
271	*/
272	DECLR3CALLBACKMEMBER(int, pfnVScsiLunReqProcess, (PVSCSILUNINT pVScsiLun, PVSCSIREQINT pVScsiReq));
273
274	/**
275	* Frees additional allocated resources for the given request if it was allocated before.
276	*
277	* @returns void.
278	* @param pVScsiLun The SCSI LUN instance.
279	* @param pVScsiReq The SCSI request.
280	* @param pvScsiReqLun The opaque data allocated previously.
281	*/
282	DECLR3CALLBACKMEMBER(void, pfnVScsiLunReqFree, (PVSCSILUNINT pVScsiLun, PVSCSIREQINT pVScsiReq,
283	void *pvScsiReqLun));
284
285	/**
286	* Informs about a medium being inserted - optional.
287	*
288	* @returns VBox status code.
289	* @param pVScsiLun The SCSI LUN instance.
290	*/
291	DECLR3CALLBACKMEMBER(int, pfnVScsiLunMediumInserted, (PVSCSILUNINT pVScsiLun));
292
293	/**
294	* Informs about a medium being removed - optional.
295	*
296	* @returns VBox status code.
297	* @param pVScsiLun The SCSI LUN instance.
298	*/
299	DECLR3CALLBACKMEMBER(int, pfnVScsiLunMediumRemoved, (PVSCSILUNINT pVScsiLun));
300
301	} VSCSILUNDESC;
302
303	/** Maximum number of LUNs a device can have. */
304	#define VSCSI_DEVICE_LUN_MAX 128
305
306	/**
307	* Completes a SCSI request and calls the completion handler.
308	*
309	* @returns nothing.
310	* @param pVScsiDevice The virtual SCSI device.
311	* @param pVScsiReq The request which completed.
312	* @param rcScsiCode The status code
313	* One of the SCSI_STATUS_* #defines.
314	* @param fRedoPossible Flag whether redo is possible.
315	* @param rcReq Informational return code of the request.
316	*/
317	void vscsiDeviceReqComplete(PVSCSIDEVICEINT pVScsiDevice, PVSCSIREQINT pVScsiReq,
318	int rcScsiCode, bool fRedoPossible, int rcReq);
319
320	/**
321	* Init the sense data state.
322	*
323	* @returns nothing.
324	* @param pVScsiSense The SCSI sense data state to init.
325	*/
326	void vscsiSenseInit(PVSCSISENSE pVScsiSense);
327
328	/**
329	* Sets a ok sense code.
330	*
331	* @returns SCSI status code.
332	* @param pVScsiSense The SCSI sense state to use.
333	* @param pVScsiReq The SCSI request.
334	*/
335	int vscsiReqSenseOkSet(PVSCSISENSE pVScsiSense, PVSCSIREQINT pVScsiReq);
336
337	/**
338	* Sets an error sense code.
339	*
340	* @returns SCSI status code.
341	* @param pVScsiSense The SCSI sense state to use.
342	* @param pVScsiReq The SCSI request.
343	* @param uSCSISenseKey The SCSI sense key to set.
344	* @param uSCSIASC The ASC value.
345	* @param uSCSIASC The ASCQ value.
346	*/
347	int vscsiReqSenseErrorSet(PVSCSISENSE pVScsiSense, PVSCSIREQINT pVScsiReq, uint8_t uSCSISenseKey,
348	uint8_t uSCSIASC, uint8_t uSCSIASCQ);
349
350	/**
351	* Sets an error sense code with additional information.
352	*
353	* @returns SCSI status code.
354	* @param pVScsiSense The SCSI sense state to use.
355	* @param pVScsiReq The SCSI request.
356	* @param uSCSISenseKey The SCSI sense key to set.
357	* @param uSCSIASC The ASC value.
358	* @param uSCSIASC The ASCQ value.
359	* @param uInfo The 32-bit sense information.
360	*/
361	int vscsiReqSenseErrorInfoSet(PVSCSISENSE pVScsiSense, PVSCSIREQINT pVScsiReq, uint8_t uSCSISenseKey,
362	uint8_t uSCSIASC, uint8_t uSCSIASCQ, uint32_t uInfo);
363
364	/**
365	* Process a request sense command.
366	*
367	* @returns SCSI status code.
368	* @param pVScsiSense The SCSI sense state to use.
369	* @param pVScsiReq The SCSI request.
370	*/
371	int vscsiReqSenseCmd(PVSCSISENSE pVScsiSense, PVSCSIREQINT pVScsiReq);
372
373	/**
374	* Inits the VPD page pool.
375	*
376	* @returns VBox status code.
377	* @param pVScsiVpdPool The VPD page pool to initialize.
378	*/
379	int vscsiVpdPagePoolInit(PVSCSIVPDPOOL pVScsiVpdPool);
380
381	/**
382	* Destroys the given VPD page pool freeing all pages in it.
383	*
384	* @returns nothing.
385	* @param pVScsiVpdPool The VPD page pool to destroy.
386	*/
387	void vscsiVpdPagePoolDestroy(PVSCSIVPDPOOL pVScsiVpdPool);
388
389	/**
390	* Allocates a new page in the VPD page pool with the given number.
391	*
392	* @returns VBox status code.
393	* @retval VERR_ALREADY_EXIST if the page number is in use.
394	* @param pVScsiVpdPool The VPD page pool the page will belong to.
395	* @param uPage The page number, must be unique.
396	* @param cbPage Size of the page in bytes.
397	* @param ppbPage Where to store the pointer to the raw page data on success.
398	*/
399	int vscsiVpdPagePoolAllocNewPage(PVSCSIVPDPOOL pVScsiVpdPool, uint8_t uPage, size_t cbPage, uint8_t **ppbPage);
400
401	/**
402	* Queries the given page from the pool and cpies it to the buffer given
403	* by the SCSI request.
404	*
405	* @returns VBox status code.
406	* @retval VERR_NOT_FOUND if the page is not in the pool.
407	* @param pVScsiVpdPool The VPD page pool to use.
408	* @param pVScsiReq The SCSI request.
409	* @param uPage Page to query.
410	*/
411	int vscsiVpdPagePoolQueryPage(PVSCSIVPDPOOL pVScsiVpdPool, PVSCSIREQINT pVScsiReq, uint8_t uPage);
412
413	/**
414	* Inits the I/O request related state for the LUN.
415	*
416	* @returns VBox status code.
417	* @param pVScsiLun The LUN instance.
418	*/
419	int vscsiIoReqInit(PVSCSILUNINT pVScsiLun);
420
421	/**
422	* Enqueues a new flush request
423	*
424	* @returns VBox status code.
425	* @param pVScsiLun The LUN instance which issued the request.
426	* @param pVScsiReq The virtual SCSI request associated with the flush.
427	*/
428	int vscsiIoReqFlushEnqueue(PVSCSILUNINT pVScsiLun, PVSCSIREQINT pVScsiReq);
429
430	/**
431	* Enqueue a new data transfer request.
432	*
433	* @returns VBox status code.
434	* @param pVScsiLun The LUN instance which issued the request.
435	* @param pVScsiReq The virtual SCSI request associated with the transfer.
436	* @param enmTxDir Transfer direction.
437	* @param uOffset Start offset of the transfer.
438	* @param cbTransfer Number of bytes to transfer.
439	*/
440	int vscsiIoReqTransferEnqueue(PVSCSILUNINT pVScsiLun, PVSCSIREQINT pVScsiReq,
441	VSCSIIOREQTXDIR enmTxDir, uint64_t uOffset,
442	size_t cbTransfer);
443
444	/**
445	* Enqueue a new data transfer request - extended variant.
446	*
447	* @returns VBox status code.
448	* @param pVScsiLun The LUN instance which issued the request.
449	* @param pVScsiReq The virtual SCSI request associated with the transfer.
450	* @param enmTxDir Transfer direction.
451	* @param uOffset Start offset of the transfer.
452	* @param paSegs Pointer to the array holding the memory buffer segments.
453	* @param cSegs Number of segments in the array.
454	* @param cbTransfer Number of bytes to transfer.
455	*/
456	int vscsiIoReqTransferEnqueueEx(PVSCSILUNINT pVScsiLun, PVSCSIREQINT pVScsiReq,
457	VSCSIIOREQTXDIR enmTxDir, uint64_t uOffset,
458	PCRTSGSEG paSegs, unsigned cSegs, size_t cbTransfer);
459
460	/**
461	* Enqueue a new unmap request.
462	*
463	* @returns VBox status code.
464	* @param pVScsiLun The LUN instance which issued the request.
465	* @param pVScsiReq The virtual SCSI request associated with the transfer.
466	* @param paRanges The array of ranges to unmap.
467	* @param cRanges Number of ranges in the array.
468	*/
469	int vscsiIoReqUnmapEnqueue(PVSCSILUNINT pVScsiLun, PVSCSIREQINT pVScsiReq,
470	PRTRANGE paRanges, unsigned cRanges);
471
472	/**
473	* Returns the current number of outstanding tasks on the given LUN.
474	*
475	* @returns Number of outstanding tasks.
476	* @param pVScsiLun The LUN to check.
477	*/
478	uint32_t vscsiIoReqOutstandingCountGet(PVSCSILUNINT pVScsiLun);
479
480	/**
481	* Sets the transfer size for the given request.
482	*
483	* @returns nothing.
484	* @param pVScsiReq The SCSI request.
485	* @param cbXfer The transfer size for the request.
486	*/
487	DECLINLINE(void) vscsiReqSetXferSize(PVSCSIREQINT pVScsiReq, size_t cbXfer)
488	{
489	pVScsiReq->cbXfer = cbXfer;
490	}
491
492	/**
493	* Wrapper for the set I/O request allocation size I/O callback.
494	*
495	* @returns VBox status code.
496	* @param pVScsiLun The LUN.
497	* @param cbVScsiIoReqAlloc The additional size for the request to allocate.
498	*/
499	DECLINLINE(int) vscsiLunReqAllocSizeSet(PVSCSILUNINT pVScsiLun, size_t cbVScsiIoReqAlloc)
500	{
501	return pVScsiLun->pVScsiLunIoCallbacks->pfnVScsiLunReqAllocSizeSet(pVScsiLun,
502	pVScsiLun->pvVScsiLunUser,
503	cbVScsiIoReqAlloc);
504	}
505
506	/**
507	* Wrapper for the allocate I/O request I/O callback.
508	*
509	* @returns VBox status code.
510	* @param pVScsiLun The LUN.
511	* @param u64Tag A unique tag to assign to the request.
512	* @param ppVScsiIoReq Where to store the pointer to the request on success.
513	*/
514	DECLINLINE(int) vscsiLunReqAlloc(PVSCSILUNINT pVScsiLun, uint64_t u64Tag, PVSCSIIOREQINT *ppVScsiIoReq)
515	{
516	return pVScsiLun->pVScsiLunIoCallbacks->pfnVScsiLunReqAlloc(pVScsiLun,
517	pVScsiLun->pvVScsiLunUser,
518	u64Tag, ppVScsiIoReq);
519	}
520
521	/**
522	* Wrapper for the free I/O request I/O callback.
523	*
524	* @returns VBox status code.
525	* @param pVScsiLun The LUN.
526	* @param pVScsiIoReq The request to free.
527	*/
528	DECLINLINE(int) vscsiLunReqFree(PVSCSILUNINT pVScsiLun, PVSCSIIOREQINT pVScsiIoReq)
529	{
530	return pVScsiLun->pVScsiLunIoCallbacks->pfnVScsiLunReqFree(pVScsiLun,
531	pVScsiLun->pvVScsiLunUser,
532	pVScsiIoReq);
533	}
534
535	/**
536	* Wrapper for the get medium region count I/O callback.
537	*
538	* @returns Number of regions for the underlying medium.
539	* @param pVScsiLun The LUN.
540	*/
541	DECLINLINE(uint32_t) vscsiLunMediumGetRegionCount(PVSCSILUNINT pVScsiLun)
542	{
543	return pVScsiLun->pVScsiLunIoCallbacks->pfnVScsiLunMediumGetRegionCount(pVScsiLun,
544	pVScsiLun->pvVScsiLunUser);
545	}
546
547	/**
548	* Wrapper for the query medium region properties I/O callback.
549	*
550	* @returns VBox status code.
551	* @param pVScsiLun The LUN.
552	* @param uRegion The region index to query the properties of.
553	* @param pu64LbaStart Where to store the starting LBA for the region on success.
554	* @param pcBlocks Where to store the number of blocks for the region on success.
555	* @param pcbBlock Where to store the size of one block in bytes on success.
556	* @param penmDataForm WHere to store the data form for the region on success.
557	*/
558	DECLINLINE(int) vscsiLunMediumQueryRegionProperties(PVSCSILUNINT pVScsiLun, uint32_t uRegion,
559	uint64_t pu64LbaStart, uint64_t pcBlocks,
560	uint64_t *pcbBlock, PVDREGIONDATAFORM penmDataForm)
561	{
562	return pVScsiLun->pVScsiLunIoCallbacks->pfnVScsiLunMediumQueryRegionProperties(pVScsiLun,
563	pVScsiLun->pvVScsiLunUser,
564	uRegion, pu64LbaStart,
565	pcBlocks, pcbBlock,
566	penmDataForm);
567	}
568
569	/**
570	* Wrapper for the query medium region properties for LBA I/O callback.
571	*
572	* @returns VBox status code.
573	* @param pVScsiLun The LUN.
574	* @param uRegion The region index to query the properties of.
575	* @param pu64LbaStart Where to store the starting LBA for the region on success.
576	* @param pcBlocks Where to store the number of blocks for the region on success.
577	* @param pcbBlock Where to store the size of one block in bytes on success.
578	* @param penmDataForm WHere to store the data form for the region on success.
579	*/
580	DECLINLINE(int) vscsiLunMediumQueryRegionPropertiesForLba(PVSCSILUNINT pVScsiLun, uint64_t u64LbaStart, uint32_t *puRegion,
581	uint64_t pcBlocks, uint64_t pcbBlock,
582	PVDREGIONDATAFORM penmDataForm)
583	{
584	return pVScsiLun->pVScsiLunIoCallbacks->pfnVScsiLunMediumQueryRegionPropertiesForLba(pVScsiLun,
585	pVScsiLun->pvVScsiLunUser,
586	u64LbaStart, puRegion,
587	pcBlocks, pcbBlock,
588	penmDataForm);
589	}
590
591	/**
592	* Wrapper for the get medium lock/unlock I/O callback.
593	*
594	* @returns VBox status code.
595	* @param pVScsiLun The LUN.
596	* @param bool The new medium lock state.
597	*/
598	DECLINLINE(int) vscsiLunMediumSetLock(PVSCSILUNINT pVScsiLun, bool fLocked)
599	{
600	return pVScsiLun->pVScsiLunIoCallbacks->pfnVScsiLunMediumSetLock(pVScsiLun,
601	pVScsiLun->pvVScsiLunUser,
602	fLocked);
603	}
604
605	/**
606	* Wrapper for the eject medium I/O callback.
607	*
608	* @returns VBox status code.
609	* @param pVScsiLun The LUN.
610	*/
611	DECLINLINE(int) vscsiLunMediumEject(PVSCSILUNINT pVScsiLun)
612	{
613	return pVScsiLun->pVScsiLunIoCallbacks->pfnVScsiLunMediumEject(pVScsiLun,
614	pVScsiLun->pvVScsiLunUser);
615	}
616
617	/**
618	* Wrapper for the I/O request enqueue I/O callback.
619	*
620	* @returns VBox status code.
621	* @param pVScsiLun The LUN.
622	* @param pVScsiIoReq The I/O request to enqueue.
623	*/
624	DECLINLINE(int) vscsiLunReqTransferEnqueue(PVSCSILUNINT pVScsiLun, PVSCSIIOREQINT pVScsiIoReq)
625	{
626	return pVScsiLun->pVScsiLunIoCallbacks->pfnVScsiLunReqTransferEnqueue(pVScsiLun,
627	pVScsiLun->pvVScsiLunUser,
628	pVScsiIoReq);
629	}
630
631	/**
632	* Wrapper for the get feature flags I/O callback.
633	*
634	* @returns VBox status code.
635	* @param pVScsiLun The LUN.
636	* @param pfFeatures Where to sthre supported flags on success.
637	*/
638	DECLINLINE(int) vscsiLunGetFeatureFlags(PVSCSILUNINT pVScsiLun, uint64_t *pfFeatures)
639	{
640	return pVScsiLun->pVScsiLunIoCallbacks->pfnVScsiLunGetFeatureFlags(pVScsiLun,
641	pVScsiLun->pvVScsiLunUser,
642	pfFeatures);
643	}
644
645	/**
646	* Wrapper for the query INQUIRY strings I/O callback.
647	*
648	* @returns VBox status code.
649	* @param pVScsiLun The LUN.
650	* @param ppszVendorId Where to store the pointer to the vendor ID string to report.
651	* @param ppszProductId Where to store the pointer to the product ID string to report.
652	* @param ppszProductLevel Where to store the pointer to the revision string to report.
653	*/
654	DECLINLINE(int) vscsiLunQueryInqStrings(PVSCSILUNINT pVScsiLun, const char **ppszVendorId,
655	const char ppszProductId, const char ppszProductLevel)
656	{
657	if (pVScsiLun->pVScsiLunIoCallbacks->pfnVScsiLunQueryInqStrings)
658	{
659	return pVScsiLun->pVScsiLunIoCallbacks->pfnVScsiLunQueryInqStrings(pVScsiLun,
660	pVScsiLun->pvVScsiLunUser,
661	ppszVendorId, ppszProductId,
662	ppszProductLevel);
663	}
664
665	return VERR_NOT_FOUND;
666	}
667
668	/**
669	* Wrapper around vscsiReqSenseOkSet()
670	*/
671	DECLINLINE(int) vscsiLunReqSenseOkSet(PVSCSILUNINT pVScsiLun, PVSCSIREQINT pVScsiReq)
672	{
673	return vscsiReqSenseOkSet(&pVScsiLun->pVScsiDevice->VScsiSense, pVScsiReq);
674	}
675
676	/**
677	* Wrapper around vscsiReqSenseErrorSet()
678	*/
679	DECLINLINE(int) vscsiLunReqSenseErrorSet(PVSCSILUNINT pVScsiLun, PVSCSIREQINT pVScsiReq, uint8_t uSCSISenseKey, uint8_t uSCSIASC, uint8_t uSCSIASCQ)
680	{
681	return vscsiReqSenseErrorSet(&pVScsiLun->pVScsiDevice->VScsiSense, pVScsiReq, uSCSISenseKey, uSCSIASC, uSCSIASCQ);
682	}
683
684	/**
685	* Wrapper around vscsiReqSenseErrorInfoSet()
686	*/
687	DECLINLINE(int) vscsiLunReqSenseErrorInfoSet(PVSCSILUNINT pVScsiLun, PVSCSIREQINT pVScsiReq, uint8_t uSCSISenseKey, uint8_t uSCSIASC, uint8_t uSCSIASCQ, uint32_t uInfo)
688	{
689	return vscsiReqSenseErrorInfoSet(&pVScsiLun->pVScsiDevice->VScsiSense, pVScsiReq, uSCSISenseKey, uSCSIASC, uSCSIASCQ, uInfo);
690	}
691
692	#endif /* !VBOX_INCLUDED_SRC_Storage_VSCSI_VSCSIInternal_h */
693

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source: vbox/trunk/src/VBox/Devices/Storage/VSCSI/VSCSIInternal.h@ 78223

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