pdmdrv.h@ 97262

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1	/** @file
2	* PDM - Pluggable Device Manager, Drivers.
3	*/
4
5	/*
6	* Copyright (C) 2006-2022 Oracle and/or its affiliates.
7	*
8	* This file is part of VirtualBox base platform packages, as
9	* available from https://www.virtualbox.org.
10	*
11	* This program is free software; you can redistribute it and/or
12	* modify it under the terms of the GNU General Public License
13	* as published by the Free Software Foundation, in version 3 of the
14	* License.
15	*
16	* This program is distributed in the hope that it will be useful, but
17	* WITHOUT ANY WARRANTY; without even the implied warranty of
18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19	* General Public License for more details.
20	*
21	* You should have received a copy of the GNU General Public License
22	* along with this program; if not, see <https://www.gnu.org/licenses>.
23	*
24	* The contents of this file may alternatively be used under the terms
25	* of the Common Development and Distribution License Version 1.0
26	* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
27	* in the VirtualBox distribution, in which case the provisions of the
28	* CDDL are applicable instead of those of the GPL.
29	*
30	* You may elect to license modified versions of this file under the
31	* terms and conditions of either the GPL or the CDDL or both.
32	*
33	* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
34	*/
35
36	#ifndef VBOX_INCLUDED_vmm_pdmdrv_h
37	#define VBOX_INCLUDED_vmm_pdmdrv_h
38	#ifndef RT_WITHOUT_PRAGMA_ONCE
39	# pragma once
40	#endif
41
42	#include <VBox/vmm/pdmqueue.h>
43	#include <VBox/vmm/pdmcritsect.h>
44	#include <VBox/vmm/pdmifs.h>
45	#include <VBox/vmm/pdmins.h>
46	#include <VBox/vmm/pdmcommon.h>
47	#ifdef IN_RING3
48	# include <VBox/vmm/pdmthread.h>
49	# include <VBox/vmm/pdmasynccompletion.h>
50	# include <VBox/vmm/pdmblkcache.h>
51	#endif
52	#include <VBox/vmm/tm.h>
53	#include <VBox/vmm/ssm.h>
54	#include <VBox/vmm/cfgm.h>
55	#include <VBox/vmm/dbgf.h>
56	#include <VBox/vmm/mm.h>
57	#include <iprt/stdarg.h>
58
59
60	RT_C_DECLS_BEGIN
61
62	/** @defgroup grp_pdm_driver The PDM Drivers API
63	* @ingroup grp_pdm
64	* @{
65	*/
66
67	/** Pointer const PDM Driver API, ring-3. */
68	typedef R3PTRTYPE(struct PDMDRVHLPR3 const *) PCPDMDRVHLPR3;
69	/** Pointer const PDM Driver API, ring-0. */
70	typedef R0PTRTYPE(struct PDMDRVHLPR0 const *) PCPDMDRVHLPR0;
71	/** Pointer const PDM Driver API, raw-mode context. */
72	typedef RCPTRTYPE(struct PDMDRVHLPRC const *) PCPDMDRVHLPRC;
73
74
75	/**
76	* Construct a driver instance for a VM.
77	*
78	* @returns VBox status.
79	* @param pDrvIns The driver instance data. If the registration structure
80	* is needed, it can be accessed thru pDrvIns->pReg.
81	* @param pCfg Configuration node handle for the driver. This is
82	* expected to be in high demand in the constructor and is
83	* therefore passed as an argument. When using it at other
84	* times, it can be accessed via pDrvIns->pCfg.
85	* @param fFlags Flags, combination of the PDM_TACH_FLAGS_* \#defines.
86	*/
87	typedef DECLCALLBACKTYPE(int, FNPDMDRVCONSTRUCT,(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags));
88	/** Pointer to a FNPDMDRVCONSTRUCT() function. */
89	typedef FNPDMDRVCONSTRUCT *PFNPDMDRVCONSTRUCT;
90
91	/**
92	* Destruct a driver instance.
93	*
94	* Most VM resources are freed by the VM. This callback is provided so that
95	* any non-VM resources can be freed correctly.
96	*
97	* @param pDrvIns The driver instance data.
98	*/
99	typedef DECLCALLBACKTYPE(void, FNPDMDRVDESTRUCT,(PPDMDRVINS pDrvIns));
100	/** Pointer to a FNPDMDRVDESTRUCT() function. */
101	typedef FNPDMDRVDESTRUCT *PFNPDMDRVDESTRUCT;
102
103	/**
104	* Driver relocation callback.
105	*
106	* This is called when the instance data has been relocated in raw-mode context
107	* (RC). It is also called when the RC hypervisor selects changes. The driver
108	* must fixup all necessary pointers and re-query all interfaces to other RC
109	* devices and drivers.
110	*
111	* Before the RC code is executed the first time, this function will be called
112	* with a 0 delta so RC pointer calculations can be one in one place.
113	*
114	* @param pDrvIns Pointer to the driver instance.
115	* @param offDelta The relocation delta relative to the old location.
116	*
117	* @remark A relocation CANNOT fail.
118	*/
119	typedef DECLCALLBACKTYPE(void, FNPDMDRVRELOCATE,(PPDMDRVINS pDrvIns, RTGCINTPTR offDelta));
120	/** Pointer to a FNPDMDRVRELOCATE() function. */
121	typedef FNPDMDRVRELOCATE *PFNPDMDRVRELOCATE;
122
123	/**
124	* Driver I/O Control interface.
125	*
126	* This is used by external components, such as the COM interface, to
127	* communicate with a driver using a driver specific interface. Generally,
128	* the driver interfaces are used for this task.
129	*
130	* @returns VBox status code.
131	* @param pDrvIns Pointer to the driver instance.
132	* @param uFunction Function to perform.
133	* @param pvIn Pointer to input data.
134	* @param cbIn Size of input data.
135	* @param pvOut Pointer to output data.
136	* @param cbOut Size of output data.
137	* @param pcbOut Where to store the actual size of the output data.
138	*/
139	typedef DECLCALLBACKTYPE(int, FNPDMDRVIOCTL,(PPDMDRVINS pDrvIns, uint32_t uFunction,
140	void *pvIn, uint32_t cbIn,
141	void pvOut, uint32_t cbOut, uint32_t pcbOut));
142	/** Pointer to a FNPDMDRVIOCTL() function. */
143	typedef FNPDMDRVIOCTL *PFNPDMDRVIOCTL;
144
145	/**
146	* Power On notification.
147	*
148	* @param pDrvIns The driver instance data.
149	*/
150	typedef DECLCALLBACKTYPE(void, FNPDMDRVPOWERON,(PPDMDRVINS pDrvIns));
151	/** Pointer to a FNPDMDRVPOWERON() function. */
152	typedef FNPDMDRVPOWERON *PFNPDMDRVPOWERON;
153
154	/**
155	* Reset notification.
156	*
157	* @returns VBox status.
158	* @param pDrvIns The driver instance data.
159	*/
160	typedef DECLCALLBACKTYPE(void, FNPDMDRVRESET,(PPDMDRVINS pDrvIns));
161	/** Pointer to a FNPDMDRVRESET() function. */
162	typedef FNPDMDRVRESET *PFNPDMDRVRESET;
163
164	/**
165	* Suspend notification.
166	*
167	* @returns VBox status.
168	* @param pDrvIns The driver instance data.
169	*/
170	typedef DECLCALLBACKTYPE(void, FNPDMDRVSUSPEND,(PPDMDRVINS pDrvIns));
171	/** Pointer to a FNPDMDRVSUSPEND() function. */
172	typedef FNPDMDRVSUSPEND *PFNPDMDRVSUSPEND;
173
174	/**
175	* Resume notification.
176	*
177	* @returns VBox status.
178	* @param pDrvIns The driver instance data.
179	*/
180	typedef DECLCALLBACKTYPE(void, FNPDMDRVRESUME,(PPDMDRVINS pDrvIns));
181	/** Pointer to a FNPDMDRVRESUME() function. */
182	typedef FNPDMDRVRESUME *PFNPDMDRVRESUME;
183
184	/**
185	* Power Off notification.
186	*
187	* This is always called when VMR3PowerOff is called.
188	* There will be no callback when hot plugging devices or when replumbing the driver
189	* stack.
190	*
191	* @param pDrvIns The driver instance data.
192	*/
193	typedef DECLCALLBACKTYPE(void, FNPDMDRVPOWEROFF,(PPDMDRVINS pDrvIns));
194	/** Pointer to a FNPDMDRVPOWEROFF() function. */
195	typedef FNPDMDRVPOWEROFF *PFNPDMDRVPOWEROFF;
196
197	/**
198	* Attach command.
199	*
200	* This is called to let the driver attach to a driver at runtime. This is not
201	* called during VM construction, the driver constructor have to do this by
202	* calling PDMDrvHlpAttach.
203	*
204	* This is like plugging in the keyboard or mouse after turning on the PC.
205	*
206	* @returns VBox status code.
207	* @param pDrvIns The driver instance.
208	* @param fFlags Flags, combination of the PDM_TACH_FLAGS_* \#defines.
209	*/
210	typedef DECLCALLBACKTYPE(int, FNPDMDRVATTACH,(PPDMDRVINS pDrvIns, uint32_t fFlags));
211	/** Pointer to a FNPDMDRVATTACH() function. */
212	typedef FNPDMDRVATTACH *PFNPDMDRVATTACH;
213
214	/**
215	* Detach notification.
216	*
217	* This is called when a driver below it in the chain is detaching itself
218	* from it. The driver should adjust it's state to reflect this.
219	*
220	* This is like ejecting a cdrom or floppy.
221	*
222	* @param pDrvIns The driver instance.
223	* @param fFlags PDM_TACH_FLAGS_NOT_HOT_PLUG or 0.
224	*/
225	typedef DECLCALLBACKTYPE(void, FNPDMDRVDETACH,(PPDMDRVINS pDrvIns, uint32_t fFlags));
226	/** Pointer to a FNPDMDRVDETACH() function. */
227	typedef FNPDMDRVDETACH *PFNPDMDRVDETACH;
228
229
230
231	/**
232	* PDM Driver Registration Structure.
233	*
234	* This structure is used when registering a driver from VBoxInitDrivers() (in
235	* host ring-3 context). PDM will continue use till the VM is terminated.
236	*/
237	typedef struct PDMDRVREG
238	{
239	/** Structure version. PDM_DRVREG_VERSION defines the current version. */
240	uint32_t u32Version;
241	/** Driver name. */
242	char szName[32];
243	/** Name of the raw-mode context module (no path).
244	* Only evalutated if PDM_DRVREG_FLAGS_RC is set. */
245	char szRCMod[32];
246	/** Name of the ring-0 module (no path).
247	* Only evalutated if PDM_DRVREG_FLAGS_R0 is set. */
248	char szR0Mod[32];
249	/** The description of the driver. The UTF-8 string pointed to shall, like this structure,
250	* remain unchanged from registration till VM destruction. */
251	const char *pszDescription;
252
253	/** Flags, combination of the PDM_DRVREG_FLAGS_* \#defines. */
254	uint32_t fFlags;
255	/** Driver class(es), combination of the PDM_DRVREG_CLASS_* \#defines. */
256	uint32_t fClass;
257	/** Maximum number of instances (per VM). */
258	uint32_t cMaxInstances;
259	/** Size of the instance data. */
260	uint32_t cbInstance;
261
262	/** Construct instance - required. */
263	PFNPDMDRVCONSTRUCT pfnConstruct;
264	/** Destruct instance - optional. */
265	PFNPDMDRVDESTRUCT pfnDestruct;
266	/** Relocation command - optional. */
267	PFNPDMDRVRELOCATE pfnRelocate;
268	/** I/O control - optional. */
269	PFNPDMDRVIOCTL pfnIOCtl;
270	/** Power on notification - optional. */
271	PFNPDMDRVPOWERON pfnPowerOn;
272	/** Reset notification - optional. */
273	PFNPDMDRVRESET pfnReset;
274	/** Suspend notification - optional. */
275	PFNPDMDRVSUSPEND pfnSuspend;
276	/** Resume notification - optional. */
277	PFNPDMDRVRESUME pfnResume;
278	/** Attach command - optional. */
279	PFNPDMDRVATTACH pfnAttach;
280	/** Detach notification - optional. */
281	PFNPDMDRVDETACH pfnDetach;
282	/** Power off notification - optional. */
283	PFNPDMDRVPOWEROFF pfnPowerOff;
284	/** @todo */
285	PFNRT pfnSoftReset;
286	/** Initialization safty marker. */
287	uint32_t u32VersionEnd;
288	} PDMDRVREG;
289	/** Pointer to a PDM Driver Structure. */
290	typedef PDMDRVREG *PPDMDRVREG;
291	/** Const pointer to a PDM Driver Structure. */
292	typedef PDMDRVREG const *PCPDMDRVREG;
293
294	/** Current DRVREG version number. */
295	#define PDM_DRVREG_VERSION PDM_VERSION_MAKE(0xf0ff, 1, 0)
296
297	/** PDM Driver Flags.
298	* @{ */
299	/** @def PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT
300	* The bit count for the current host. */
301	#if HC_ARCH_BITS == 32
302	# define PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT UINT32_C(0x00000001)
303	#elif HC_ARCH_BITS == 64
304	# define PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT UINT32_C(0x00000002)
305	#else
306	# error Unsupported HC_ARCH_BITS value.
307	#endif
308	/** The host bit count mask. */
309	#define PDM_DRVREG_FLAGS_HOST_BITS_MASK UINT32_C(0x00000003)
310	/** This flag is used to indicate that the driver has a RC component. */
311	#define PDM_DRVREG_FLAGS_RC UINT32_C(0x00000010)
312	/** This flag is used to indicate that the driver has a R0 component. */
313	#define PDM_DRVREG_FLAGS_R0 UINT32_C(0x00000020)
314
315	/** @} */
316
317
318	/** PDM Driver Classes.
319	* @{ */
320	/** Mouse input driver. */
321	#define PDM_DRVREG_CLASS_MOUSE RT_BIT(0)
322	/** Keyboard input driver. */
323	#define PDM_DRVREG_CLASS_KEYBOARD RT_BIT(1)
324	/** Display driver. */
325	#define PDM_DRVREG_CLASS_DISPLAY RT_BIT(2)
326	/** Network transport driver. */
327	#define PDM_DRVREG_CLASS_NETWORK RT_BIT(3)
328	/** Block driver. */
329	#define PDM_DRVREG_CLASS_BLOCK RT_BIT(4)
330	/** Media driver. */
331	#define PDM_DRVREG_CLASS_MEDIA RT_BIT(5)
332	/** Mountable driver. */
333	#define PDM_DRVREG_CLASS_MOUNTABLE RT_BIT(6)
334	/** Audio driver. */
335	#define PDM_DRVREG_CLASS_AUDIO RT_BIT(7)
336	/** VMMDev driver. */
337	#define PDM_DRVREG_CLASS_VMMDEV RT_BIT(8)
338	/** Status driver. */
339	#define PDM_DRVREG_CLASS_STATUS RT_BIT(9)
340	/** ACPI driver. */
341	#define PDM_DRVREG_CLASS_ACPI RT_BIT(10)
342	/** USB related driver. */
343	#define PDM_DRVREG_CLASS_USB RT_BIT(11)
344	/** ISCSI Transport related driver. */
345	#define PDM_DRVREG_CLASS_ISCSITRANSPORT RT_BIT(12)
346	/** Char driver. */
347	#define PDM_DRVREG_CLASS_CHAR RT_BIT(13)
348	/** Stream driver. */
349	#define PDM_DRVREG_CLASS_STREAM RT_BIT(14)
350	/** SCSI driver. */
351	#define PDM_DRVREG_CLASS_SCSI RT_BIT(15)
352	/** Generic raw PCI device driver. */
353	#define PDM_DRVREG_CLASS_PCIRAW RT_BIT(16)
354	/** @} */
355
356
357	/**
358	* PDM Driver Instance.
359	*
360	* @implements PDMIBASE
361	*/
362	typedef struct PDMDRVINS
363	{
364	/** Structure version. PDM_DRVINS_VERSION defines the current version. */
365	uint32_t u32Version;
366	/** Driver instance number. */
367	uint32_t iInstance;
368
369	/** Pointer the PDM Driver API. */
370	RCPTRTYPE(PCPDMDRVHLPRC) pHlpRC;
371	/** Pointer to driver instance data. */
372	RCPTRTYPE(void *) pvInstanceDataRC;
373
374	/** Pointer the PDM Driver API. */
375	R0PTRTYPE(PCPDMDRVHLPR0) pHlpR0;
376	/** Pointer to driver instance data. */
377	R0PTRTYPE(void *) pvInstanceDataR0;
378
379	/** Pointer the PDM Driver API. */
380	R3PTRTYPE(PCPDMDRVHLPR3) pHlpR3;
381	/** Pointer to driver instance data. */
382	R3PTRTYPE(void *) pvInstanceDataR3;
383
384	/** Pointer to driver registration structure. */
385	R3PTRTYPE(PCPDMDRVREG) pReg;
386	/** Configuration handle. */
387	R3PTRTYPE(PCFGMNODE) pCfg;
388
389	/** Pointer to the base interface of the device/driver instance above. */
390	R3PTRTYPE(PPDMIBASE) pUpBase;
391	/** Pointer to the base interface of the driver instance below. */
392	R3PTRTYPE(PPDMIBASE) pDownBase;
393
394	/** The base interface of the driver.
395	* The driver constructor initializes this. */
396	PDMIBASE IBase;
397
398	/** Tracing indicator. */
399	uint32_t fTracing;
400	/** The tracing ID of this device. */
401	uint32_t idTracing;
402	#if HC_ARCH_BITS == 32
403	/** Align the internal data more naturally. */
404	uint32_t au32Padding[HC_ARCH_BITS == 32 ? 7 : 0];
405	#endif
406
407	/** Internal data. */
408	union
409	{
410	#ifdef PDMDRVINSINT_DECLARED
411	PDMDRVINSINT s;
412	#endif
413	uint8_t padding[HC_ARCH_BITS == 32 ? 40 + 32 : 72 + 24];
414	} Internal;
415
416	/** Driver instance data. The size of this area is defined
417	* in the PDMDRVREG::cbInstanceData field. */
418	char achInstanceData[4];
419	} PDMDRVINS;
420
421	/** Current DRVREG version number. */
422	#define PDM_DRVINS_VERSION PDM_VERSION_MAKE(0xf0fe, 2, 0)
423
424	/** Converts a pointer to the PDMDRVINS::IBase to a pointer to PDMDRVINS. */
425	#define PDMIBASE_2_PDMDRV(pInterface) ( (PPDMDRVINS)((char *)(pInterface) - RT_UOFFSETOF(PDMDRVINS, IBase)) )
426
427	/** @def PDMDRVINS_2_RCPTR
428	* Converts a PDM Driver instance pointer a RC PDM Driver instance pointer.
429	*/
430	#define PDMDRVINS_2_RCPTR(pDrvIns) ( (RCPTRTYPE(PPDMDRVINS))((RTRCUINTPTR)(pDrvIns)->pvInstanceDataRC - (RTRCUINTPTR)RT_UOFFSETOF(PDMDRVINS, achInstanceData)) )
431
432	/** @def PDMDRVINS_2_R3PTR
433	* Converts a PDM Driver instance pointer a R3 PDM Driver instance pointer.
434	*/
435	#define PDMDRVINS_2_R3PTR(pDrvIns) ( (R3PTRTYPE(PPDMDRVINS))((RTHCUINTPTR)(pDrvIns)->pvInstanceDataR3 - RT_UOFFSETOF(PDMDRVINS, achInstanceData)) )
436
437	/** @def PDMDRVINS_2_R0PTR
438	* Converts a PDM Driver instance pointer a R0 PDM Driver instance pointer.
439	*/
440	#define PDMDRVINS_2_R0PTR(pDrvIns) ( (R0PTRTYPE(PPDMDRVINS))((RTR0UINTPTR)(pDrvIns)->pvInstanceDataR0 - RT_UOFFSETOF(PDMDRVINS, achInstanceData)) )
441
442
443
444	/**
445	* Checks the structure versions of the drive instance and driver helpers,
446	* returning if they are incompatible.
447	*
448	* Intended for the constructor.
449	*
450	* @param pDrvIns Pointer to the PDM driver instance.
451	*/
452	#define PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns) \
453	do \
454	{ \
455	PPDMDRVINS pDrvInsTypeCheck = (pDrvIns); NOREF(pDrvInsTypeCheck); \
456	AssertLogRelMsgReturn(PDM_VERSION_ARE_COMPATIBLE((pDrvIns)->u32Version, PDM_DRVINS_VERSION), \
457	("DrvIns=%#x mine=%#x\n", (pDrvIns)->u32Version, PDM_DRVINS_VERSION), \
458	VERR_PDM_DRVINS_VERSION_MISMATCH); \
459	AssertLogRelMsgReturn(PDM_VERSION_ARE_COMPATIBLE((pDrvIns)->pHlpR3->u32Version, PDM_DRVHLPR3_VERSION), \
460	("DrvHlp=%#x mine=%#x\n", (pDrvIns)->pHlpR3->u32Version, PDM_DRVHLPR3_VERSION), \
461	VERR_PDM_DRVHLPR3_VERSION_MISMATCH); \
462	} while (0)
463
464	/**
465	* Quietly checks the structure versions of the drive instance and driver
466	* helpers, returning if they are incompatible.
467	*
468	* Intended for the destructor.
469	*
470	* @param pDrvIns Pointer to the PDM driver instance.
471	*/
472	#define PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns) \
473	do \
474	{ \
475	PPDMDRVINS pDrvInsTypeCheck = (pDrvIns); NOREF(pDrvInsTypeCheck); \
476	if (RT_LIKELY( PDM_VERSION_ARE_COMPATIBLE((pDrvIns)->u32Version, PDM_DRVINS_VERSION) \
477	&& PDM_VERSION_ARE_COMPATIBLE((pDrvIns)->pHlpR3->u32Version, PDM_DRVHLPR3_VERSION)) ) \
478	{ /* likely */ } else return; \
479	} while (0)
480
481	/**
482	* Wrapper around CFGMR3ValidateConfig for the root config for use in the
483	* constructor - returns on failure.
484	*
485	* This should be invoked after having initialized the instance data
486	* sufficiently for the correct operation of the destructor. The destructor is
487	* always called!
488	*
489	* @param pDrvIns Pointer to the PDM driver instance.
490	* @param pszValidValues Patterns describing the valid value names. See
491	* RTStrSimplePatternMultiMatch for details on the
492	* pattern syntax.
493	* @param pszValidNodes Patterns describing the valid node (key) names.
494	* Pass empty string if no valid nodess.
495	*/
496	#define PDMDRV_VALIDATE_CONFIG_RETURN(pDrvIns, pszValidValues, pszValidNodes) \
497	do \
498	{ \
499	int rcValCfg = pDrvIns->pHlpR3->pfnCFGMValidateConfig((pDrvIns)->pCfg, "/", pszValidValues, pszValidNodes, \
500	(pDrvIns)->pReg->szName, (pDrvIns)->iInstance); \
501	if (RT_SUCCESS(rcValCfg)) \
502	{ /* likely */ } else return rcValCfg; \
503	} while (0)
504
505
506
507	/**
508	* USB hub registration structure.
509	*/
510	typedef struct PDMUSBHUBREG
511	{
512	/** Structure version number. PDM_USBHUBREG_VERSION defines the current version. */
513	uint32_t u32Version;
514
515	/**
516	* Request the hub to attach of the specified device.
517	*
518	* @returns VBox status code.
519	* @param pDrvIns The hub instance.
520	* @param pUsbIns The device to attach.
521	* @param pszCaptureFilename Path to the file for USB traffic capturing, optional.
522	* @param piPort Where to store the port number the device was attached to.
523	* @thread EMT.
524	*/
525	DECLR3CALLBACKMEMBER(int, pfnAttachDevice,(PPDMDRVINS pDrvIns, PPDMUSBINS pUsbIns, const char pszCaptureFilename, uint32_t piPort));
526
527	/**
528	* Request the hub to detach of the specified device.
529	*
530	* The device has previously been attached to the hub with the
531	* pfnAttachDevice call. This call is not currently expected to
532	* fail.
533	*
534	* @returns VBox status code.
535	* @param pDrvIns The hub instance.
536	* @param pUsbIns The device to detach.
537	* @param iPort The port number returned by the attach call.
538	* @thread EMT.
539	*/
540	DECLR3CALLBACKMEMBER(int, pfnDetachDevice,(PPDMDRVINS pDrvIns, PPDMUSBINS pUsbIns, uint32_t iPort));
541
542	/** Counterpart to u32Version, same value. */
543	uint32_t u32TheEnd;
544	} PDMUSBHUBREG;
545	/** Pointer to a const USB hub registration structure. */
546	typedef const PDMUSBHUBREG *PCPDMUSBHUBREG;
547
548	/** Current PDMUSBHUBREG version number. */
549	#define PDM_USBHUBREG_VERSION PDM_VERSION_MAKE(0xf0fd, 2, 0)
550
551
552	/**
553	* USB hub helpers.
554	* This is currently just a place holder.
555	*/
556	typedef struct PDMUSBHUBHLP
557	{
558	/** Structure version. PDM_USBHUBHLP_VERSION defines the current version. */
559	uint32_t u32Version;
560
561	/** Just a safety precaution. */
562	uint32_t u32TheEnd;
563	} PDMUSBHUBHLP;
564	/** Pointer to PCI helpers. */
565	typedef PDMUSBHUBHLP *PPDMUSBHUBHLP;
566	/** Pointer to const PCI helpers. */
567	typedef const PDMUSBHUBHLP *PCPDMUSBHUBHLP;
568	/** Pointer to const PCI helpers pointer. */
569	typedef PCPDMUSBHUBHLP *PPCPDMUSBHUBHLP;
570
571	/** Current PDMUSBHUBHLP version number. */
572	#define PDM_USBHUBHLP_VERSION PDM_VERSION_MAKE(0xf0fc, 1, 0)
573
574
575	/**
576	* PDM Driver API - raw-mode context variant.
577	*/
578	typedef struct PDMDRVHLPRC
579	{
580	/** Structure version. PDM_DRVHLPRC_VERSION defines the current version. */
581	uint32_t u32Version;
582
583	/**
584	* Assert that the current thread is the emulation thread.
585	*
586	* @returns True if correct.
587	* @returns False if wrong.
588	* @param pDrvIns Driver instance.
589	* @param pszFile Filename of the assertion location.
590	* @param iLine Linenumber of the assertion location.
591	* @param pszFunction Function of the assertion location.
592	*/
593	DECLRCCALLBACKMEMBER(bool, pfnAssertEMT,(PPDMDRVINS pDrvIns, const char pszFile, unsigned iLine, const char pszFunction));
594
595	/**
596	* Assert that the current thread is NOT the emulation thread.
597	*
598	* @returns True if correct.
599	* @returns False if wrong.
600	* @param pDrvIns Driver instance.
601	* @param pszFile Filename of the assertion location.
602	* @param iLine Linenumber of the assertion location.
603	* @param pszFunction Function of the assertion location.
604	*/
605	DECLRCCALLBACKMEMBER(bool, pfnAssertOther,(PPDMDRVINS pDrvIns, const char pszFile, unsigned iLine, const char pszFunction));
606
607	/** @name Exported PDM Critical Section Functions
608	* @{ */
609	DECLRCCALLBACKMEMBER(int, pfnCritSectEnter,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, int rcBusy));
610	DECLRCCALLBACKMEMBER(int, pfnCritSectEnterDebug,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, int rcBusy, RTHCUINTPTR uId, RT_SRC_POS_DECL));
611	DECLRCCALLBACKMEMBER(int, pfnCritSectTryEnter,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect));
612	DECLRCCALLBACKMEMBER(int, pfnCritSectTryEnterDebug,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, RTHCUINTPTR uId, RT_SRC_POS_DECL));
613	DECLRCCALLBACKMEMBER(int, pfnCritSectLeave,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect));
614	DECLRCCALLBACKMEMBER(bool, pfnCritSectIsOwner,(PPDMDRVINS pDrvIns, PCPDMCRITSECT pCritSect));
615	DECLRCCALLBACKMEMBER(bool, pfnCritSectIsInitialized,(PPDMDRVINS pDrvIns, PCPDMCRITSECT pCritSect));
616	DECLRCCALLBACKMEMBER(bool, pfnCritSectHasWaiters,(PPDMDRVINS pDrvIns, PCPDMCRITSECT pCritSect));
617	DECLRCCALLBACKMEMBER(uint32_t, pfnCritSectGetRecursion,(PPDMDRVINS pDrvIns, PCPDMCRITSECT pCritSect));
618	/** @} */
619
620	/**
621	* Obtains bandwidth in a bandwidth group.
622	*
623	* @returns True if bandwidth was allocated, false if not.
624	* @param pDrvIns The driver instance.
625	* @param pFilter Pointer to the filter that allocates bandwidth.
626	* @param cbTransfer Number of bytes to allocate.
627	*/
628	DECLRCCALLBACKMEMBER(bool, pfnNetShaperAllocateBandwidth,(PPDMDRVINS pDrvIns, PPDMNSFILTER pFilter, size_t cbTransfer));
629
630	/** Just a safety precaution. */
631	uint32_t u32TheEnd;
632	} PDMDRVHLPRC;
633	/** Current PDMDRVHLPRC version number. */
634	#define PDM_DRVHLPRC_VERSION PDM_VERSION_MAKE(0xf0f9, 6, 0)
635
636
637	/**
638	* PDM Driver API, ring-0 context.
639	*/
640	typedef struct PDMDRVHLPR0
641	{
642	/** Structure version. PDM_DRVHLPR0_VERSION defines the current version. */
643	uint32_t u32Version;
644
645	/**
646	* Assert that the current thread is the emulation thread.
647	*
648	* @returns True if correct.
649	* @returns False if wrong.
650	* @param pDrvIns Driver instance.
651	* @param pszFile Filename of the assertion location.
652	* @param iLine Linenumber of the assertion location.
653	* @param pszFunction Function of the assertion location.
654	*/
655	DECLR0CALLBACKMEMBER(bool, pfnAssertEMT,(PPDMDRVINS pDrvIns, const char pszFile, unsigned iLine, const char pszFunction));
656
657	/**
658	* Assert that the current thread is NOT the emulation thread.
659	*
660	* @returns True if correct.
661	* @returns False if wrong.
662	* @param pDrvIns Driver instance.
663	* @param pszFile Filename of the assertion location.
664	* @param iLine Linenumber of the assertion location.
665	* @param pszFunction Function of the assertion location.
666	*/
667	DECLR0CALLBACKMEMBER(bool, pfnAssertOther,(PPDMDRVINS pDrvIns, const char pszFile, unsigned iLine, const char pszFunction));
668
669	/** @name Exported PDM Critical Section Functions
670	* @{ */
671	DECLR0CALLBACKMEMBER(int, pfnCritSectEnter,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, int rcBusy));
672	DECLR0CALLBACKMEMBER(int, pfnCritSectEnterDebug,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, int rcBusy, RTHCUINTPTR uId, RT_SRC_POS_DECL));
673	DECLR0CALLBACKMEMBER(int, pfnCritSectTryEnter,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect));
674	DECLR0CALLBACKMEMBER(int, pfnCritSectTryEnterDebug,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, RTHCUINTPTR uId, RT_SRC_POS_DECL));
675	DECLR0CALLBACKMEMBER(int, pfnCritSectLeave,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect));
676	DECLR0CALLBACKMEMBER(bool, pfnCritSectIsOwner,(PPDMDRVINS pDrvIns, PCPDMCRITSECT pCritSect));
677	DECLR0CALLBACKMEMBER(bool, pfnCritSectIsInitialized,(PPDMDRVINS pDrvIns, PCPDMCRITSECT pCritSect));
678	DECLR0CALLBACKMEMBER(bool, pfnCritSectHasWaiters,(PPDMDRVINS pDrvIns, PCPDMCRITSECT pCritSect));
679	DECLR0CALLBACKMEMBER(uint32_t, pfnCritSectGetRecursion,(PPDMDRVINS pDrvIns, PCPDMCRITSECT pCritSect));
680	DECLR0CALLBACKMEMBER(int, pfnCritSectScheduleExitEvent,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, SUPSEMEVENT hEventToSignal));
681	/** @} */
682
683	/**
684	* Obtains bandwidth in a bandwidth group.
685	*
686	* @returns True if bandwidth was allocated, false if not.
687	* @param pDrvIns The driver instance.
688	* @param pFilter Pointer to the filter that allocates bandwidth.
689	* @param cbTransfer Number of bytes to allocate.
690	*/
691	DECLR0CALLBACKMEMBER(bool, pfnNetShaperAllocateBandwidth,(PPDMDRVINS pDrvIns, PPDMNSFILTER pFilter, size_t cbTransfer));
692
693	/** Just a safety precaution. */
694	uint32_t u32TheEnd;
695	} PDMDRVHLPR0;
696	/** Current DRVHLP version number. */
697	#define PDM_DRVHLPR0_VERSION PDM_VERSION_MAKE(0xf0f8, 6, 0)
698
699
700	#ifdef IN_RING3
701
702	/**
703	* PDM Driver API.
704	*/
705	typedef struct PDMDRVHLPR3
706	{
707	/** Structure version. PDM_DRVHLPR3_VERSION defines the current version. */
708	uint32_t u32Version;
709
710	/**
711	* Attaches a driver (chain) to the driver.
712	*
713	* @returns VBox status code.
714	* @param pDrvIns Driver instance.
715	* @param fFlags PDM_TACH_FLAGS_NOT_HOT_PLUG or 0.
716	* @param ppBaseInterface Where to store the pointer to the base interface.
717	*/
718	DECLR3CALLBACKMEMBER(int, pfnAttach,(PPDMDRVINS pDrvIns, uint32_t fFlags, PPDMIBASE *ppBaseInterface));
719
720	/**
721	* Detach the driver the drivers below us.
722	*
723	* @returns VBox status code.
724	* @param pDrvIns Driver instance.
725	* @param fFlags PDM_TACH_FLAGS_NOT_HOT_PLUG or 0.
726	*/
727	DECLR3CALLBACKMEMBER(int, pfnDetach,(PPDMDRVINS pDrvIns, uint32_t fFlags));
728
729	/**
730	* Detach the driver from the driver above it and destroy this
731	* driver and all drivers below it.
732	*
733	* @returns VBox status code.
734	* @param pDrvIns Driver instance.
735	* @param fFlags PDM_TACH_FLAGS_NOT_HOT_PLUG or 0.
736	*/
737	DECLR3CALLBACKMEMBER(int, pfnDetachSelf,(PPDMDRVINS pDrvIns, uint32_t fFlags));
738
739	/**
740	* Prepare a media mount.
741	*
742	* The driver must not have anything attached to itself
743	* when calling this function as the purpose is to set up the configuration
744	* of an future attachment.
745	*
746	* @returns VBox status code
747	* @param pDrvIns Driver instance.
748	* @param pszFilename Pointer to filename. If this is NULL it assumed that the caller have
749	* constructed a configuration which can be attached to the bottom driver.
750	* @param pszCoreDriver Core driver name. NULL will cause autodetection. Ignored if pszFilanem is NULL.
751	*/
752	DECLR3CALLBACKMEMBER(int, pfnMountPrepare,(PPDMDRVINS pDrvIns, const char pszFilename, const char pszCoreDriver));
753
754	/**
755	* Assert that the current thread is the emulation thread.
756	*
757	* @returns True if correct.
758	* @returns False if wrong.
759	* @param pDrvIns Driver instance.
760	* @param pszFile Filename of the assertion location.
761	* @param iLine Linenumber of the assertion location.
762	* @param pszFunction Function of the assertion location.
763	*/
764	DECLR3CALLBACKMEMBER(bool, pfnAssertEMT,(PPDMDRVINS pDrvIns, const char pszFile, unsigned iLine, const char pszFunction));
765
766	/**
767	* Assert that the current thread is NOT the emulation thread.
768	*
769	* @returns True if correct.
770	* @returns False if wrong.
771	* @param pDrvIns Driver instance.
772	* @param pszFile Filename of the assertion location.
773	* @param iLine Linenumber of the assertion location.
774	* @param pszFunction Function of the assertion location.
775	*/
776	DECLR3CALLBACKMEMBER(bool, pfnAssertOther,(PPDMDRVINS pDrvIns, const char pszFile, unsigned iLine, const char pszFunction));
777
778	/**
779	* Set the VM error message
780	*
781	* @returns rc.
782	* @param pDrvIns Driver instance.
783	* @param rc VBox status code.
784	* @param SRC_POS Use RT_SRC_POS.
785	* @param pszFormat Error message format string.
786	* @param va Error message arguments.
787	*/
788	DECLR3CALLBACKMEMBER(int, pfnVMSetErrorV,(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL,
789	const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(6, 0));
790
791	/**
792	* Set the VM runtime error message
793	*
794	* @returns VBox status code.
795	* @param pDrvIns Driver instance.
796	* @param fFlags The action flags. See VMSETRTERR_FLAGS_*.
797	* @param pszErrorId Error ID string.
798	* @param pszFormat Error message format string.
799	* @param va Error message arguments.
800	*/
801	DECLR3CALLBACKMEMBER(int, pfnVMSetRuntimeErrorV,(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId,
802	const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(4, 0));
803
804	/**
805	* Gets the VM state.
806	*
807	* @returns VM state.
808	* @param pDrvIns The driver instance.
809	* @thread Any thread (just keep in mind that it's volatile info).
810	*/
811	DECLR3CALLBACKMEMBER(VMSTATE, pfnVMState, (PPDMDRVINS pDrvIns));
812
813	/**
814	* Checks if the VM was teleported and hasn't been fully resumed yet.
815	*
816	* @returns true / false.
817	* @param pDrvIns The driver instance.
818	* @thread Any thread.
819	*/
820	DECLR3CALLBACKMEMBER(bool, pfnVMTeleportedAndNotFullyResumedYet,(PPDMDRVINS pDrvIns));
821
822	/**
823	* Gets the support driver session.
824	*
825	* This is intended for working using the semaphore API.
826	*
827	* @returns Support driver session handle.
828	* @param pDrvIns The driver instance.
829	*/
830	DECLR3CALLBACKMEMBER(PSUPDRVSESSION, pfnGetSupDrvSession,(PPDMDRVINS pDrvIns));
831
832	/** @name Exported PDM Queue Functions
833	* @{ */
834	/**
835	* Create a queue.
836	*
837	* @returns VBox status code.
838	* @param pDrvIns Driver instance.
839	* @param cbItem Size a queue item.
840	* @param cItems Number of items in the queue.
841	* @param cMilliesInterval Number of milliseconds between polling the queue.
842	* If 0 then the emulation thread will be notified whenever an item arrives.
843	* @param pfnCallback The consumer function.
844	* @param pszName The queue base name. The instance number will be
845	* appended automatically.
846	* @param phQueue Where to store the queue handle on success.
847	* @thread The emulation thread.
848	*/
849	DECLR3CALLBACKMEMBER(int, pfnQueueCreate,(PPDMDRVINS pDrvIns, uint32_t cbItem, uint32_t cItems, uint32_t cMilliesInterval,
850	PFNPDMQUEUEDRV pfnCallback, const char pszName, PDMQUEUEHANDLE phQueue));
851
852	DECLR3CALLBACKMEMBER(PPDMQUEUEITEMCORE, pfnQueueAlloc,(PPDMDRVINS pDrvIns, PDMQUEUEHANDLE hQueue));
853	DECLR3CALLBACKMEMBER(int, pfnQueueInsert,(PPDMDRVINS pDrvIns, PDMQUEUEHANDLE hQueue, PPDMQUEUEITEMCORE pItem));
854	DECLR3CALLBACKMEMBER(bool, pfnQueueFlushIfNecessary,(PPDMDRVINS pDrvIns, PDMQUEUEHANDLE hQueue));
855	/** @} */
856
857	/**
858	* Query the virtual timer frequency.
859	*
860	* @returns Frequency in Hz.
861	* @param pDrvIns Driver instance.
862	* @thread Any thread.
863	*/
864	DECLR3CALLBACKMEMBER(uint64_t, pfnTMGetVirtualFreq,(PPDMDRVINS pDrvIns));
865
866	/**
867	* Query the virtual time.
868	*
869	* @returns The current virtual time.
870	* @param pDrvIns Driver instance.
871	* @thread Any thread.
872	*/
873	DECLR3CALLBACKMEMBER(uint64_t, pfnTMGetVirtualTime,(PPDMDRVINS pDrvIns));
874
875	/**
876	* Creates a timer.
877	*
878	* @returns VBox status.
879	* @param pDrvIns Driver instance.
880	* @param enmClock The clock to use on this timer.
881	* @param pfnCallback Callback function.
882	* @param pvUser The user argument to the callback.
883	* @param fFlags Timer creation flags, see grp_tm_timer_flags.
884	* @param pszDesc Pointer to description string which must stay around
885	* until the timer is fully destroyed (i.e. a bit after TMTimerDestroy()).
886	* @param phTimer Where to store the timer handle on success.
887	* @thread EMT
888	*
889	* @todo Need to add a bunch of timer helpers for this to be useful again.
890	* Will do when required.
891	*/
892	DECLR3CALLBACKMEMBER(int, pfnTimerCreate,(PPDMDRVINS pDrvIns, TMCLOCK enmClock, PFNTMTIMERDRV pfnCallback, void *pvUser,
893	uint32_t fFlags, const char *pszDesc, PTMTIMERHANDLE phTimer));
894
895	/**
896	* Destroys a timer.
897	*
898	* @returns VBox status.
899	* @param pDrvIns Driver instance.
900	* @param hTimer The timer handle to destroy.
901	*/
902	DECLR3CALLBACKMEMBER(int, pfnTimerDestroy,(PPDMDRVINS pDrvIns, TMTIMERHANDLE hTimer));
903
904	/**
905	* Register a save state data unit.
906	*
907	* @returns VBox status.
908	* @param pDrvIns Driver instance.
909	* @param uVersion Data layout version number.
910	* @param cbGuess The approximate amount of data in the unit.
911	* Only for progress indicators.
912	*
913	* @param pfnLivePrep Prepare live save callback, optional.
914	* @param pfnLiveExec Execute live save callback, optional.
915	* @param pfnLiveVote Vote live save callback, optional.
916	*
917	* @param pfnSavePrep Prepare save callback, optional.
918	* @param pfnSaveExec Execute save callback, optional.
919	* @param pfnSaveDone Done save callback, optional.
920	*
921	* @param pfnLoadPrep Prepare load callback, optional.
922	* @param pfnLoadExec Execute load callback, optional.
923	* @param pfnLoadDone Done load callback, optional.
924	*/
925	DECLR3CALLBACKMEMBER(int, pfnSSMRegister,(PPDMDRVINS pDrvIns, uint32_t uVersion, size_t cbGuess,
926	PFNSSMDRVLIVEPREP pfnLivePrep, PFNSSMDRVLIVEEXEC pfnLiveExec, PFNSSMDRVLIVEVOTE pfnLiveVote,
927	PFNSSMDRVSAVEPREP pfnSavePrep, PFNSSMDRVSAVEEXEC pfnSaveExec, PFNSSMDRVSAVEDONE pfnSaveDone,
928	PFNSSMDRVLOADPREP pfnLoadPrep, PFNSSMDRVLOADEXEC pfnLoadExec, PFNSSMDRVLOADDONE pfnLoadDone));
929
930	/**
931	* Deregister a save state data unit.
932	*
933	* @returns VBox status.
934	* @param pDrvIns Driver instance.
935	* @param pszName Data unit name.
936	* @param uInstance The instance identifier of the data unit.
937	* This must together with the name be unique.
938	*/
939	DECLR3CALLBACKMEMBER(int, pfnSSMDeregister,(PPDMDRVINS pDrvIns, const char *pszName, uint32_t uInstance));
940
941	/** @name Exported SSM Functions
942	* @{ */
943	DECLR3CALLBACKMEMBER(int, pfnSSMPutStruct,(PSSMHANDLE pSSM, const void *pvStruct, PCSSMFIELD paFields));
944	DECLR3CALLBACKMEMBER(int, pfnSSMPutStructEx,(PSSMHANDLE pSSM, const void pvStruct, size_t cbStruct, uint32_t fFlags, PCSSMFIELD paFields, void pvUser));
945	DECLR3CALLBACKMEMBER(int, pfnSSMPutBool,(PSSMHANDLE pSSM, bool fBool));
946	DECLR3CALLBACKMEMBER(int, pfnSSMPutU8,(PSSMHANDLE pSSM, uint8_t u8));
947	DECLR3CALLBACKMEMBER(int, pfnSSMPutS8,(PSSMHANDLE pSSM, int8_t i8));
948	DECLR3CALLBACKMEMBER(int, pfnSSMPutU16,(PSSMHANDLE pSSM, uint16_t u16));
949	DECLR3CALLBACKMEMBER(int, pfnSSMPutS16,(PSSMHANDLE pSSM, int16_t i16));
950	DECLR3CALLBACKMEMBER(int, pfnSSMPutU32,(PSSMHANDLE pSSM, uint32_t u32));
951	DECLR3CALLBACKMEMBER(int, pfnSSMPutS32,(PSSMHANDLE pSSM, int32_t i32));
952	DECLR3CALLBACKMEMBER(int, pfnSSMPutU64,(PSSMHANDLE pSSM, uint64_t u64));
953	DECLR3CALLBACKMEMBER(int, pfnSSMPutS64,(PSSMHANDLE pSSM, int64_t i64));
954	DECLR3CALLBACKMEMBER(int, pfnSSMPutU128,(PSSMHANDLE pSSM, uint128_t u128));
955	DECLR3CALLBACKMEMBER(int, pfnSSMPutS128,(PSSMHANDLE pSSM, int128_t i128));
956	DECLR3CALLBACKMEMBER(int, pfnSSMPutUInt,(PSSMHANDLE pSSM, RTUINT u));
957	DECLR3CALLBACKMEMBER(int, pfnSSMPutSInt,(PSSMHANDLE pSSM, RTINT i));
958	DECLR3CALLBACKMEMBER(int, pfnSSMPutGCUInt,(PSSMHANDLE pSSM, RTGCUINT u));
959	DECLR3CALLBACKMEMBER(int, pfnSSMPutGCUIntReg,(PSSMHANDLE pSSM, RTGCUINTREG u));
960	DECLR3CALLBACKMEMBER(int, pfnSSMPutGCPhys32,(PSSMHANDLE pSSM, RTGCPHYS32 GCPhys));
961	DECLR3CALLBACKMEMBER(int, pfnSSMPutGCPhys64,(PSSMHANDLE pSSM, RTGCPHYS64 GCPhys));
962	DECLR3CALLBACKMEMBER(int, pfnSSMPutGCPhys,(PSSMHANDLE pSSM, RTGCPHYS GCPhys));
963	DECLR3CALLBACKMEMBER(int, pfnSSMPutGCPtr,(PSSMHANDLE pSSM, RTGCPTR GCPtr));
964	DECLR3CALLBACKMEMBER(int, pfnSSMPutGCUIntPtr,(PSSMHANDLE pSSM, RTGCUINTPTR GCPtr));
965	DECLR3CALLBACKMEMBER(int, pfnSSMPutRCPtr,(PSSMHANDLE pSSM, RTRCPTR RCPtr));
966	DECLR3CALLBACKMEMBER(int, pfnSSMPutIOPort,(PSSMHANDLE pSSM, RTIOPORT IOPort));
967	DECLR3CALLBACKMEMBER(int, pfnSSMPutSel,(PSSMHANDLE pSSM, RTSEL Sel));
968	DECLR3CALLBACKMEMBER(int, pfnSSMPutMem,(PSSMHANDLE pSSM, const void *pv, size_t cb));
969	DECLR3CALLBACKMEMBER(int, pfnSSMPutStrZ,(PSSMHANDLE pSSM, const char *psz));
970	DECLR3CALLBACKMEMBER(int, pfnSSMGetStruct,(PSSMHANDLE pSSM, void *pvStruct, PCSSMFIELD paFields));
971	DECLR3CALLBACKMEMBER(int, pfnSSMGetStructEx,(PSSMHANDLE pSSM, void pvStruct, size_t cbStruct, uint32_t fFlags, PCSSMFIELD paFields, void pvUser));
972	DECLR3CALLBACKMEMBER(int, pfnSSMGetBool,(PSSMHANDLE pSSM, bool *pfBool));
973	DECLR3CALLBACKMEMBER(int, pfnSSMGetBoolV,(PSSMHANDLE pSSM, bool volatile *pfBool));
974	DECLR3CALLBACKMEMBER(int, pfnSSMGetU8,(PSSMHANDLE pSSM, uint8_t *pu8));
975	DECLR3CALLBACKMEMBER(int, pfnSSMGetU8V,(PSSMHANDLE pSSM, uint8_t volatile *pu8));
976	DECLR3CALLBACKMEMBER(int, pfnSSMGetS8,(PSSMHANDLE pSSM, int8_t *pi8));
977	DECLR3CALLBACKMEMBER(int, pfnSSMGetS8V,(PSSMHANDLE pSSM, int8_t volatile *pi8));
978	DECLR3CALLBACKMEMBER(int, pfnSSMGetU16,(PSSMHANDLE pSSM, uint16_t *pu16));
979	DECLR3CALLBACKMEMBER(int, pfnSSMGetU16V,(PSSMHANDLE pSSM, uint16_t volatile *pu16));
980	DECLR3CALLBACKMEMBER(int, pfnSSMGetS16,(PSSMHANDLE pSSM, int16_t *pi16));
981	DECLR3CALLBACKMEMBER(int, pfnSSMGetS16V,(PSSMHANDLE pSSM, int16_t volatile *pi16));
982	DECLR3CALLBACKMEMBER(int, pfnSSMGetU32,(PSSMHANDLE pSSM, uint32_t *pu32));
983	DECLR3CALLBACKMEMBER(int, pfnSSMGetU32V,(PSSMHANDLE pSSM, uint32_t volatile *pu32));
984	DECLR3CALLBACKMEMBER(int, pfnSSMGetS32,(PSSMHANDLE pSSM, int32_t *pi32));
985	DECLR3CALLBACKMEMBER(int, pfnSSMGetS32V,(PSSMHANDLE pSSM, int32_t volatile *pi32));
986	DECLR3CALLBACKMEMBER(int, pfnSSMGetU64,(PSSMHANDLE pSSM, uint64_t *pu64));
987	DECLR3CALLBACKMEMBER(int, pfnSSMGetU64V,(PSSMHANDLE pSSM, uint64_t volatile *pu64));
988	DECLR3CALLBACKMEMBER(int, pfnSSMGetS64,(PSSMHANDLE pSSM, int64_t *pi64));
989	DECLR3CALLBACKMEMBER(int, pfnSSMGetS64V,(PSSMHANDLE pSSM, int64_t volatile *pi64));
990	DECLR3CALLBACKMEMBER(int, pfnSSMGetU128,(PSSMHANDLE pSSM, uint128_t *pu128));
991	DECLR3CALLBACKMEMBER(int, pfnSSMGetU128V,(PSSMHANDLE pSSM, uint128_t volatile *pu128));
992	DECLR3CALLBACKMEMBER(int, pfnSSMGetS128,(PSSMHANDLE pSSM, int128_t *pi128));
993	DECLR3CALLBACKMEMBER(int, pfnSSMGetS128V,(PSSMHANDLE pSSM, int128_t volatile *pi128));
994	DECLR3CALLBACKMEMBER(int, pfnSSMGetGCPhys32,(PSSMHANDLE pSSM, PRTGCPHYS32 pGCPhys));
995	DECLR3CALLBACKMEMBER(int, pfnSSMGetGCPhys32V,(PSSMHANDLE pSSM, RTGCPHYS32 volatile *pGCPhys));
996	DECLR3CALLBACKMEMBER(int, pfnSSMGetGCPhys64,(PSSMHANDLE pSSM, PRTGCPHYS64 pGCPhys));
997	DECLR3CALLBACKMEMBER(int, pfnSSMGetGCPhys64V,(PSSMHANDLE pSSM, RTGCPHYS64 volatile *pGCPhys));
998	DECLR3CALLBACKMEMBER(int, pfnSSMGetGCPhys,(PSSMHANDLE pSSM, PRTGCPHYS pGCPhys));
999	DECLR3CALLBACKMEMBER(int, pfnSSMGetGCPhysV,(PSSMHANDLE pSSM, RTGCPHYS volatile *pGCPhys));
1000	DECLR3CALLBACKMEMBER(int, pfnSSMGetUInt,(PSSMHANDLE pSSM, PRTUINT pu));
1001	DECLR3CALLBACKMEMBER(int, pfnSSMGetSInt,(PSSMHANDLE pSSM, PRTINT pi));
1002	DECLR3CALLBACKMEMBER(int, pfnSSMGetGCUInt,(PSSMHANDLE pSSM, PRTGCUINT pu));
1003	DECLR3CALLBACKMEMBER(int, pfnSSMGetGCUIntReg,(PSSMHANDLE pSSM, PRTGCUINTREG pu));
1004	DECLR3CALLBACKMEMBER(int, pfnSSMGetGCPtr,(PSSMHANDLE pSSM, PRTGCPTR pGCPtr));
1005	DECLR3CALLBACKMEMBER(int, pfnSSMGetGCUIntPtr,(PSSMHANDLE pSSM, PRTGCUINTPTR pGCPtr));
1006	DECLR3CALLBACKMEMBER(int, pfnSSMGetRCPtr,(PSSMHANDLE pSSM, PRTRCPTR pRCPtr));
1007	DECLR3CALLBACKMEMBER(int, pfnSSMGetIOPort,(PSSMHANDLE pSSM, PRTIOPORT pIOPort));
1008	DECLR3CALLBACKMEMBER(int, pfnSSMGetSel,(PSSMHANDLE pSSM, PRTSEL pSel));
1009	DECLR3CALLBACKMEMBER(int, pfnSSMGetMem,(PSSMHANDLE pSSM, void *pv, size_t cb));
1010	DECLR3CALLBACKMEMBER(int, pfnSSMGetStrZ,(PSSMHANDLE pSSM, char *psz, size_t cbMax));
1011	DECLR3CALLBACKMEMBER(int, pfnSSMGetStrZEx,(PSSMHANDLE pSSM, char psz, size_t cbMax, size_t pcbStr));
1012	DECLR3CALLBACKMEMBER(int, pfnSSMSkip,(PSSMHANDLE pSSM, size_t cb));
1013	DECLR3CALLBACKMEMBER(int, pfnSSMSkipToEndOfUnit,(PSSMHANDLE pSSM));
1014	DECLR3CALLBACKMEMBER(int, pfnSSMSetLoadError,(PSSMHANDLE pSSM, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(6, 7));
1015	DECLR3CALLBACKMEMBER(int, pfnSSMSetLoadErrorV,(PSSMHANDLE pSSM, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(6, 0));
1016	DECLR3CALLBACKMEMBER(int, pfnSSMSetCfgError,(PSSMHANDLE pSSM, RT_SRC_POS_DECL, const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(5, 6));
1017	DECLR3CALLBACKMEMBER(int, pfnSSMSetCfgErrorV,(PSSMHANDLE pSSM, RT_SRC_POS_DECL, const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(5, 0));
1018	DECLR3CALLBACKMEMBER(int, pfnSSMHandleGetStatus,(PSSMHANDLE pSSM));
1019	DECLR3CALLBACKMEMBER(SSMAFTER, pfnSSMHandleGetAfter,(PSSMHANDLE pSSM));
1020	DECLR3CALLBACKMEMBER(bool, pfnSSMHandleIsLiveSave,(PSSMHANDLE pSSM));
1021	DECLR3CALLBACKMEMBER(uint32_t, pfnSSMHandleMaxDowntime,(PSSMHANDLE pSSM));
1022	DECLR3CALLBACKMEMBER(uint32_t, pfnSSMHandleHostBits,(PSSMHANDLE pSSM));
1023	DECLR3CALLBACKMEMBER(uint32_t, pfnSSMHandleRevision,(PSSMHANDLE pSSM));
1024	DECLR3CALLBACKMEMBER(uint32_t, pfnSSMHandleVersion,(PSSMHANDLE pSSM));
1025	DECLR3CALLBACKMEMBER(const char *, pfnSSMHandleHostOSAndArch,(PSSMHANDLE pSSM));
1026	/** @} */
1027
1028	/** @name Exported CFGM Functions.
1029	* @{ */
1030	DECLR3CALLBACKMEMBER(bool, pfnCFGMExists,( PCFGMNODE pNode, const char *pszName));
1031	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryType,( PCFGMNODE pNode, const char *pszName, PCFGMVALUETYPE penmType));
1032	DECLR3CALLBACKMEMBER(int, pfnCFGMQuerySize,( PCFGMNODE pNode, const char pszName, size_t pcb));
1033	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryInteger,( PCFGMNODE pNode, const char pszName, uint64_t pu64));
1034	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryIntegerDef,( PCFGMNODE pNode, const char pszName, uint64_t pu64, uint64_t u64Def));
1035	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryString,( PCFGMNODE pNode, const char pszName, char pszString, size_t cchString));
1036	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryStringDef,( PCFGMNODE pNode, const char pszName, char pszString, size_t cchString, const char *pszDef));
1037	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryPassword,( PCFGMNODE pNode, const char pszName, char pszString, size_t cchString));
1038	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryPasswordDef,( PCFGMNODE pNode, const char pszName, char pszString, size_t cchString, const char *pszDef));
1039	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryBytes,( PCFGMNODE pNode, const char pszName, void pvData, size_t cbData));
1040	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryU64,( PCFGMNODE pNode, const char pszName, uint64_t pu64));
1041	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryU64Def,( PCFGMNODE pNode, const char pszName, uint64_t pu64, uint64_t u64Def));
1042	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryS64,( PCFGMNODE pNode, const char pszName, int64_t pi64));
1043	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryS64Def,( PCFGMNODE pNode, const char pszName, int64_t pi64, int64_t i64Def));
1044	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryU32,( PCFGMNODE pNode, const char pszName, uint32_t pu32));
1045	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryU32Def,( PCFGMNODE pNode, const char pszName, uint32_t pu32, uint32_t u32Def));
1046	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryS32,( PCFGMNODE pNode, const char pszName, int32_t pi32));
1047	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryS32Def,( PCFGMNODE pNode, const char pszName, int32_t pi32, int32_t i32Def));
1048	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryU16,( PCFGMNODE pNode, const char pszName, uint16_t pu16));
1049	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryU16Def,( PCFGMNODE pNode, const char pszName, uint16_t pu16, uint16_t u16Def));
1050	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryS16,( PCFGMNODE pNode, const char pszName, int16_t pi16));
1051	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryS16Def,( PCFGMNODE pNode, const char pszName, int16_t pi16, int16_t i16Def));
1052	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryU8,( PCFGMNODE pNode, const char pszName, uint8_t pu8));
1053	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryU8Def,( PCFGMNODE pNode, const char pszName, uint8_t pu8, uint8_t u8Def));
1054	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryS8,( PCFGMNODE pNode, const char pszName, int8_t pi8));
1055	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryS8Def,( PCFGMNODE pNode, const char pszName, int8_t pi8, int8_t i8Def));
1056	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryBool,( PCFGMNODE pNode, const char pszName, bool pf));
1057	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryBoolDef,( PCFGMNODE pNode, const char pszName, bool pf, bool fDef));
1058	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryPort,( PCFGMNODE pNode, const char *pszName, PRTIOPORT pPort));
1059	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryPortDef,( PCFGMNODE pNode, const char *pszName, PRTIOPORT pPort, RTIOPORT PortDef));
1060	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryUInt,( PCFGMNODE pNode, const char pszName, unsigned int pu));
1061	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryUIntDef,( PCFGMNODE pNode, const char pszName, unsigned int pu, unsigned int uDef));
1062	DECLR3CALLBACKMEMBER(int, pfnCFGMQuerySInt,( PCFGMNODE pNode, const char pszName, signed int pi));
1063	DECLR3CALLBACKMEMBER(int, pfnCFGMQuerySIntDef,( PCFGMNODE pNode, const char pszName, signed int pi, signed int iDef));
1064	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryGCPtr,( PCFGMNODE pNode, const char *pszName, PRTGCPTR pGCPtr));
1065	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryGCPtrDef,( PCFGMNODE pNode, const char *pszName, PRTGCPTR pGCPtr, RTGCPTR GCPtrDef));
1066	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryGCPtrU,( PCFGMNODE pNode, const char *pszName, PRTGCUINTPTR pGCPtr));
1067	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryGCPtrUDef,( PCFGMNODE pNode, const char *pszName, PRTGCUINTPTR pGCPtr, RTGCUINTPTR GCPtrDef));
1068	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryGCPtrS,( PCFGMNODE pNode, const char *pszName, PRTGCINTPTR pGCPtr));
1069	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryGCPtrSDef,( PCFGMNODE pNode, const char *pszName, PRTGCINTPTR pGCPtr, RTGCINTPTR GCPtrDef));
1070	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryStringAlloc,( PCFGMNODE pNode, const char pszName, char *ppszString));
1071	DECLR3CALLBACKMEMBER(int, pfnCFGMQueryStringAllocDef,(PCFGMNODE pNode, const char pszName, char ppszString, const char pszDef));
1072	DECLR3CALLBACKMEMBER(PCFGMNODE, pfnCFGMGetParent,(PCFGMNODE pNode));
1073	DECLR3CALLBACKMEMBER(PCFGMNODE, pfnCFGMGetChild,(PCFGMNODE pNode, const char *pszPath));
1074	DECLR3CALLBACKMEMBER(PCFGMNODE, pfnCFGMGetChildF,(PCFGMNODE pNode, const char *pszPathFormat, ...) RT_IPRT_FORMAT_ATTR(2, 3));
1075	DECLR3CALLBACKMEMBER(PCFGMNODE, pfnCFGMGetChildFV,(PCFGMNODE pNode, const char *pszPathFormat, va_list Args) RT_IPRT_FORMAT_ATTR(3, 0));
1076	DECLR3CALLBACKMEMBER(PCFGMNODE, pfnCFGMGetFirstChild,(PCFGMNODE pNode));
1077	DECLR3CALLBACKMEMBER(PCFGMNODE, pfnCFGMGetNextChild,(PCFGMNODE pCur));
1078	DECLR3CALLBACKMEMBER(int, pfnCFGMGetName,(PCFGMNODE pCur, char *pszName, size_t cchName));
1079	DECLR3CALLBACKMEMBER(size_t, pfnCFGMGetNameLen,(PCFGMNODE pCur));
1080	DECLR3CALLBACKMEMBER(bool, pfnCFGMAreChildrenValid,(PCFGMNODE pNode, const char *pszzValid));
1081	DECLR3CALLBACKMEMBER(PCFGMLEAF, pfnCFGMGetFirstValue,(PCFGMNODE pCur));
1082	DECLR3CALLBACKMEMBER(PCFGMLEAF, pfnCFGMGetNextValue,(PCFGMLEAF pCur));
1083	DECLR3CALLBACKMEMBER(int, pfnCFGMGetValueName,(PCFGMLEAF pCur, char *pszName, size_t cchName));
1084	DECLR3CALLBACKMEMBER(size_t, pfnCFGMGetValueNameLen,(PCFGMLEAF pCur));
1085	DECLR3CALLBACKMEMBER(CFGMVALUETYPE, pfnCFGMGetValueType,(PCFGMLEAF pCur));
1086	DECLR3CALLBACKMEMBER(bool, pfnCFGMAreValuesValid,(PCFGMNODE pNode, const char *pszzValid));
1087	DECLR3CALLBACKMEMBER(int, pfnCFGMValidateConfig,(PCFGMNODE pNode, const char *pszNode,
1088	const char pszValidValues, const char pszValidNodes,
1089	const char *pszWho, uint32_t uInstance));
1090	/** @} */
1091
1092	/**
1093	* Free memory allocated with pfnMMHeapAlloc() and pfnMMHeapAllocZ().
1094	*
1095	* @param pDrvIns Driver instance.
1096	* @param pv Pointer to the memory to free.
1097	*/
1098	DECLR3CALLBACKMEMBER(void, pfnMMHeapFree,(PPDMDRVINS pDrvIns, void *pv));
1099
1100	/**
1101	* Register an info handler with DBGF.
1102	*
1103	* @returns VBox status code.
1104	* @param pDrvIns Driver instance.
1105	* @param pszName Data unit name.
1106	* @param pszDesc The description of the info and any arguments
1107	* the handler may take.
1108	* @param pfnHandler The handler function to be called to display the
1109	* info.
1110	*/
1111	DECLR3CALLBACKMEMBER(int, pfnDBGFInfoRegister,(PPDMDRVINS pDrvIns, const char pszName, const char pszDesc, PFNDBGFHANDLERDRV pfnHandler));
1112
1113	/**
1114	* Register an info handler with DBGF, argv style.
1115	*
1116	* @returns VBox status code.
1117	* @param pDrvIns Driver instance.
1118	* @param pszName Data unit name.
1119	* @param pszDesc The description of the info and any arguments
1120	* the handler may take.
1121	* @param pfnHandler The handler function to be called to display the
1122	* info.
1123	*/
1124	DECLR3CALLBACKMEMBER(int, pfnDBGFInfoRegisterArgv,(PPDMDRVINS pDrvIns, const char pszName, const char pszDesc, PFNDBGFINFOARGVDRV pfnHandler));
1125
1126	/**
1127	* Deregister an info handler from DBGF.
1128	*
1129	* @returns VBox status code.
1130	* @param pDrvIns Driver instance.
1131	* @param pszName Data unit name.
1132	*/
1133	DECLR3CALLBACKMEMBER(int, pfnDBGFInfoDeregister,(PPDMDRVINS pDrvIns, const char *pszName));
1134
1135	/**
1136	* Registers a statistics sample if statistics are enabled.
1137	*
1138	* @param pDrvIns Driver instance.
1139	* @param pvSample Pointer to the sample.
1140	* @param enmType Sample type. This indicates what pvSample is pointing at.
1141	* @param pszName Sample name. The name is on this form "/<component>/<sample>".
1142	* Further nesting is possible. If this does not start
1143	* with a '/', the default prefix will be prepended,
1144	* otherwise it will be used as-is.
1145	* @param enmUnit Sample unit.
1146	* @param pszDesc Sample description.
1147	*/
1148	DECLR3CALLBACKMEMBER(void, pfnSTAMRegister,(PPDMDRVINS pDrvIns, void pvSample, STAMTYPE enmType, const char pszName,
1149	STAMUNIT enmUnit, const char *pszDesc));
1150
1151	/**
1152	* Same as pfnSTAMRegister except that the name is specified in a
1153	* RTStrPrintf like fashion.
1154	*
1155	* @param pDrvIns Driver instance.
1156	* @param pvSample Pointer to the sample.
1157	* @param enmType Sample type. This indicates what pvSample is pointing at.
1158	* @param enmVisibility Visibility type specifying whether unused statistics should be visible or not.
1159	* @param enmUnit Sample unit.
1160	* @param pszDesc Sample description.
1161	* @param pszName The sample name format string. If this does not start
1162	* with a '/', the default prefix will be prepended,
1163	* otherwise it will be used as-is.
1164	* @param ... Arguments to the format string.
1165	*/
1166	DECLR3CALLBACKMEMBER(void, pfnSTAMRegisterF,(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
1167	STAMUNIT enmUnit, const char *pszDesc,
1168	const char *pszName, ...) RT_IPRT_FORMAT_ATTR(7, 8));
1169
1170	/**
1171	* Same as pfnSTAMRegister except that the name is specified in a
1172	* RTStrPrintfV like fashion.
1173	*
1174	* @param pDrvIns Driver instance.
1175	* @param pvSample Pointer to the sample.
1176	* @param enmType Sample type. This indicates what pvSample is pointing at.
1177	* @param enmVisibility Visibility type specifying whether unused statistics should be visible or not.
1178	* @param enmUnit Sample unit.
1179	* @param pszDesc Sample description.
1180	* @param pszName The sample name format string. If this does not
1181	* start with a '/', the default prefix will be prepended,
1182	* otherwise it will be used as-is.
1183	* @param args Arguments to the format string.
1184	*/
1185	DECLR3CALLBACKMEMBER(void, pfnSTAMRegisterV,(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
1186	STAMUNIT enmUnit, const char *pszDesc,
1187	const char *pszName, va_list args) RT_IPRT_FORMAT_ATTR(7, 0));
1188
1189	/**
1190	* Deregister a statistic item previously registered with pfnSTAMRegister,
1191	* pfnSTAMRegisterF or pfnSTAMRegisterV
1192	*
1193	* @returns VBox status.
1194	* @param pDrvIns Driver instance.
1195	* @param pvSample Pointer to the sample.
1196	*/
1197	DECLR3CALLBACKMEMBER(int, pfnSTAMDeregister,(PPDMDRVINS pDrvIns, void *pvSample));
1198
1199	/**
1200	* Calls the HC R0 VMM entry point, in a safer but slower manner than
1201	* SUPR3CallVMMR0.
1202	*
1203	* When entering using this call the R0 components can call into the host kernel
1204	* (i.e. use the SUPR0 and RT APIs).
1205	*
1206	* See VMMR0Entry() for more details.
1207	*
1208	* @returns error code specific to uFunction.
1209	* @param pDrvIns The driver instance.
1210	* @param uOperation Operation to execute.
1211	* This is limited to services.
1212	* @param pvArg Pointer to argument structure or if cbArg is 0 just an value.
1213	* @param cbArg The size of the argument. This is used to copy whatever the argument
1214	* points at into a kernel buffer to avoid problems like the user page
1215	* being invalidated while we're executing the call.
1216	*/
1217	DECLR3CALLBACKMEMBER(int, pfnSUPCallVMMR0Ex,(PPDMDRVINS pDrvIns, unsigned uOperation, void *pvArg, unsigned cbArg));
1218
1219	/**
1220	* Registers a USB HUB.
1221	*
1222	* @returns VBox status code.
1223	* @param pDrvIns The driver instance.
1224	* @param fVersions Indicates the kinds of USB devices that can be attached to this HUB.
1225	* @param cPorts The number of ports.
1226	* @param pUsbHubReg The hub callback structure that PDMUsb uses to interact with it.
1227	* @param ppUsbHubHlp The helper callback structure that the hub uses to talk to PDMUsb.
1228	*
1229	* @thread EMT.
1230	*/
1231	DECLR3CALLBACKMEMBER(int, pfnUSBRegisterHub,(PPDMDRVINS pDrvIns, uint32_t fVersions, uint32_t cPorts, PCPDMUSBHUBREG pUsbHubReg, PPCPDMUSBHUBHLP ppUsbHubHlp));
1232
1233	/**
1234	* Set up asynchronous handling of a suspend, reset or power off notification.
1235	*
1236	* This shall only be called when getting the notification. It must be called
1237	* for each one.
1238	*
1239	* @returns VBox status code.
1240	* @param pDrvIns The driver instance.
1241	* @param pfnAsyncNotify The callback.
1242	* @thread EMT(0)
1243	*/
1244	DECLR3CALLBACKMEMBER(int, pfnSetAsyncNotification, (PPDMDRVINS pDrvIns, PFNPDMDRVASYNCNOTIFY pfnAsyncNotify));
1245
1246	/**
1247	* Notify EMT(0) that the driver has completed the asynchronous notification
1248	* handling.
1249	*
1250	* This can be called at any time, spurious calls will simply be ignored.
1251	*
1252	* @param pDrvIns The driver instance.
1253	* @thread Any
1254	*/
1255	DECLR3CALLBACKMEMBER(void, pfnAsyncNotificationCompleted, (PPDMDRVINS pDrvIns));
1256
1257	/**
1258	* Creates a PDM thread.
1259	*
1260	* This differs from the RTThreadCreate() API in that PDM takes care of suspending,
1261	* resuming, and destroying the thread as the VM state changes.
1262	*
1263	* @returns VBox status code.
1264	* @param pDrvIns The driver instance.
1265	* @param ppThread Where to store the thread 'handle'.
1266	* @param pvUser The user argument to the thread function.
1267	* @param pfnThread The thread function.
1268	* @param pfnWakeup The wakup callback. This is called on the EMT thread when
1269	* a state change is pending.
1270	* @param cbStack See RTThreadCreate.
1271	* @param enmType See RTThreadCreate.
1272	* @param pszName See RTThreadCreate.
1273	*/
1274	DECLR3CALLBACKMEMBER(int, pfnThreadCreate,(PPDMDRVINS pDrvIns, PPPDMTHREAD ppThread, void *pvUser, PFNPDMTHREADDRV pfnThread,
1275	PFNPDMTHREADWAKEUPDRV pfnWakeup, size_t cbStack, RTTHREADTYPE enmType, const char *pszName));
1276
1277	/** @name Exported PDM Thread Functions
1278	* @{ */
1279	DECLR3CALLBACKMEMBER(int, pfnThreadDestroy,(PPDMTHREAD pThread, int *pRcThread));
1280	DECLR3CALLBACKMEMBER(int, pfnThreadIAmSuspending,(PPDMTHREAD pThread));
1281	DECLR3CALLBACKMEMBER(int, pfnThreadIAmRunning,(PPDMTHREAD pThread));
1282	DECLR3CALLBACKMEMBER(int, pfnThreadSleep,(PPDMTHREAD pThread, RTMSINTERVAL cMillies));
1283	DECLR3CALLBACKMEMBER(int, pfnThreadSuspend,(PPDMTHREAD pThread));
1284	DECLR3CALLBACKMEMBER(int, pfnThreadResume,(PPDMTHREAD pThread));
1285	/** @} */
1286
1287	/**
1288	* Creates an async completion template for a driver instance.
1289	*
1290	* The template is used when creating new completion tasks.
1291	*
1292	* @returns VBox status code.
1293	* @param pDrvIns The driver instance.
1294	* @param ppTemplate Where to store the template pointer on success.
1295	* @param pfnCompleted The completion callback routine.
1296	* @param pvTemplateUser Template user argument.
1297	* @param pszDesc Description.
1298	*/
1299	DECLR3CALLBACKMEMBER(int, pfnAsyncCompletionTemplateCreate,(PPDMDRVINS pDrvIns, PPPDMASYNCCOMPLETIONTEMPLATE ppTemplate,
1300	PFNPDMASYNCCOMPLETEDRV pfnCompleted, void *pvTemplateUser,
1301	const char *pszDesc));
1302
1303	/** @name Exported PDM Async Completion Functions
1304	* @{ */
1305	DECLR3CALLBACKMEMBER(int, pfnAsyncCompletionTemplateDestroy,(PPDMASYNCCOMPLETIONTEMPLATE pTemplate));
1306	DECLR3CALLBACKMEMBER(int, pfnAsyncCompletionEpCreateForFile,(PPPDMASYNCCOMPLETIONENDPOINT ppEndpoint,
1307	const char *pszFilename, uint32_t fFlags,
1308	PPDMASYNCCOMPLETIONTEMPLATE pTemplate));
1309	DECLR3CALLBACKMEMBER(void, pfnAsyncCompletionEpClose,(PPDMASYNCCOMPLETIONENDPOINT pEndpoint));
1310	DECLR3CALLBACKMEMBER(int, pfnAsyncCompletionEpGetSize,(PPDMASYNCCOMPLETIONENDPOINT pEndpoint, uint64_t *pcbSize));
1311	DECLR3CALLBACKMEMBER(int, pfnAsyncCompletionEpSetSize,(PPDMASYNCCOMPLETIONENDPOINT pEndpoint, uint64_t cbSize));
1312	DECLR3CALLBACKMEMBER(int, pfnAsyncCompletionEpSetBwMgr,(PPDMASYNCCOMPLETIONENDPOINT pEndpoint, const char *pszBwMgr));
1313	DECLR3CALLBACKMEMBER(int, pfnAsyncCompletionEpFlush,(PPDMASYNCCOMPLETIONENDPOINT pEndpoint, void *pvUser, PPPDMASYNCCOMPLETIONTASK ppTask));
1314	DECLR3CALLBACKMEMBER(int, pfnAsyncCompletionEpRead,(PPDMASYNCCOMPLETIONENDPOINT pEndpoint, RTFOFF off,
1315	PCRTSGSEG paSegments, unsigned cSegments,
1316	size_t cbRead, void *pvUser,
1317	PPPDMASYNCCOMPLETIONTASK ppTask));
1318	DECLR3CALLBACKMEMBER(int, pfnAsyncCompletionEpWrite,(PPDMASYNCCOMPLETIONENDPOINT pEndpoint, RTFOFF off,
1319	PCRTSGSEG paSegments, unsigned cSegments,
1320	size_t cbWrite, void *pvUser,
1321	PPPDMASYNCCOMPLETIONTASK ppTask));
1322	/** @} */
1323
1324
1325	/**
1326	* Attaches a network filter driver to a named bandwidth group.
1327	*
1328	* @returns VBox status code.
1329	* @retval VERR_ALREADY_INITIALIZED if already attached to a group.
1330	* @param pDrvIns The driver instance.
1331	* @param pszBwGroup Name of the bandwidth group to attach to.
1332	* @param pFilter Pointer to the filter we attach.
1333	*/
1334	DECLR3CALLBACKMEMBER(int, pfnNetShaperAttach,(PPDMDRVINS pDrvIns, const char *pszBwGroup, PPDMNSFILTER pFilter));
1335
1336	/**
1337	* Detaches a network filter driver from its current bandwidth group (if any).
1338	*
1339	* @returns VBox status code.
1340	* @param pDrvIns The driver instance.
1341	* @param pFilter Pointer to the filter we attach.
1342	*/
1343	DECLR3CALLBACKMEMBER(int, pfnNetShaperDetach,(PPDMDRVINS pDrvIns, PPDMNSFILTER pFilter));
1344
1345	/**
1346	* Obtains bandwidth in a bandwidth group.
1347	*
1348	* @returns True if bandwidth was allocated, false if not.
1349	* @param pDrvIns The driver instance.
1350	* @param pFilter Pointer to the filter that allocates bandwidth.
1351	* @param cbTransfer Number of bytes to allocate.
1352	*/
1353	DECLR3CALLBACKMEMBER(bool, pfnNetShaperAllocateBandwidth,(PPDMDRVINS pDrvIns, PPDMNSFILTER pFilter, size_t cbTransfer));
1354
1355	/**
1356	* Resolves the symbol for a raw-mode context interface.
1357	*
1358	* @returns VBox status code.
1359	* @param pDrvIns The driver instance.
1360	* @param pvInterface The interface structure.
1361	* @param cbInterface The size of the interface structure.
1362	* @param pszSymPrefix What to prefix the symbols in the list with before
1363	* resolving them. This must start with 'drv' and
1364	* contain the driver name.
1365	* @param pszSymList List of symbols corresponding to the interface.
1366	* There is generally a there is generally a define
1367	* holding this list associated with the interface
1368	* definition (INTERFACE_SYM_LIST). For more details
1369	* see PDMR3LdrGetInterfaceSymbols.
1370	* @thread EMT
1371	*/
1372	DECLR3CALLBACKMEMBER(int, pfnLdrGetRCInterfaceSymbols,(PPDMDRVINS pDrvIns, void *pvInterface, size_t cbInterface,
1373	const char pszSymPrefix, const char pszSymList));
1374
1375	/**
1376	* Resolves the symbol for a ring-0 context interface.
1377	*
1378	* @returns VBox status code.
1379	* @param pDrvIns The driver instance.
1380	* @param pvInterface The interface structure.
1381	* @param cbInterface The size of the interface structure.
1382	* @param pszSymPrefix What to prefix the symbols in the list with before
1383	* resolving them. This must start with 'drv' and
1384	* contain the driver name.
1385	* @param pszSymList List of symbols corresponding to the interface.
1386	* There is generally a there is generally a define
1387	* holding this list associated with the interface
1388	* definition (INTERFACE_SYM_LIST). For more details
1389	* see PDMR3LdrGetInterfaceSymbols.
1390	* @thread EMT
1391	*/
1392	DECLR3CALLBACKMEMBER(int, pfnLdrGetR0InterfaceSymbols,(PPDMDRVINS pDrvIns, void *pvInterface, size_t cbInterface,
1393	const char pszSymPrefix, const char pszSymList));
1394	/**
1395	* Initializes a PDM critical section.
1396	*
1397	* The PDM critical sections are derived from the IPRT critical sections, but
1398	* works in both RC and R0 as well as R3.
1399	*
1400	* @returns VBox status code.
1401	* @param pDrvIns The driver instance.
1402	* @param pCritSect Pointer to the critical section.
1403	* @param SRC_POS Use RT_SRC_POS.
1404	* @param pszName The base name of the critical section. Will be
1405	* mangeled with the instance number. For
1406	* statistics and lock validation.
1407	* @thread EMT
1408	*/
1409	DECLR3CALLBACKMEMBER(int, pfnCritSectInit,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, RT_SRC_POS_DECL, const char *pszName));
1410
1411	/** @name Exported PDM Critical Section Functions
1412	* @{ */
1413	DECLR3CALLBACKMEMBER(bool, pfnCritSectYield,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect));
1414	DECLR3CALLBACKMEMBER(int, pfnCritSectEnter,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, int rcBusy));
1415	DECLR3CALLBACKMEMBER(int, pfnCritSectEnterDebug,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, int rcBusy, RTHCUINTPTR uId, RT_SRC_POS_DECL));
1416	DECLR3CALLBACKMEMBER(int, pfnCritSectTryEnter,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect));
1417	DECLR3CALLBACKMEMBER(int, pfnCritSectTryEnterDebug,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, RTHCUINTPTR uId, RT_SRC_POS_DECL));
1418	DECLR3CALLBACKMEMBER(int, pfnCritSectLeave,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect));
1419	DECLR3CALLBACKMEMBER(bool, pfnCritSectIsOwner,(PPDMDRVINS pDrvIns, PCPDMCRITSECT pCritSect));
1420	DECLR3CALLBACKMEMBER(bool, pfnCritSectIsInitialized,(PPDMDRVINS pDrvIns, PCPDMCRITSECT pCritSect));
1421	DECLR3CALLBACKMEMBER(bool, pfnCritSectHasWaiters,(PPDMDRVINS pDrvIns, PCPDMCRITSECT pCritSect));
1422	DECLR3CALLBACKMEMBER(uint32_t, pfnCritSectGetRecursion,(PPDMDRVINS pDrvIns, PCPDMCRITSECT pCritSect));
1423	DECLR3CALLBACKMEMBER(int, pfnCritSectScheduleExitEvent,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, SUPSEMEVENT hEventToSignal));
1424	DECLR3CALLBACKMEMBER(int, pfnCritSectDelete,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect));
1425	/** @} */
1426
1427	/**
1428	* Call the ring-0 request handler routine of the driver.
1429	*
1430	* For this to work, the driver must be ring-0 enabled and export a request
1431	* handler function. The name of the function must be the driver name in the
1432	* PDMDRVREG struct prefixed with 'drvR0' and suffixed with 'ReqHandler'.
1433	* The driver name will be capitalized. It shall take the exact same
1434	* arguments as this function and be declared using PDMBOTHCBDECL. See
1435	* FNPDMDRVREQHANDLERR0.
1436	*
1437	* @returns VBox status code.
1438	* @retval VERR_SYMBOL_NOT_FOUND if the driver doesn't export the required
1439	* handler function.
1440	* @retval VERR_ACCESS_DENIED if the driver isn't ring-0 capable.
1441	*
1442	* @param pDrvIns The driver instance.
1443	* @param uOperation The operation to perform.
1444	* @param u64Arg 64-bit integer argument.
1445	* @thread Any
1446	*/
1447	DECLR3CALLBACKMEMBER(int, pfnCallR0,(PPDMDRVINS pDrvIns, uint32_t uOperation, uint64_t u64Arg));
1448
1449	/**
1450	* Creates a block cache for a driver driver instance.
1451	*
1452	* @returns VBox status code.
1453	* @param pDrvIns The driver instance.
1454	* @param ppBlkCache Where to store the handle to the block cache.
1455	* @param pfnXferComplete The I/O transfer complete callback.
1456	* @param pfnXferEnqueue The I/O request enqueue callback.
1457	* @param pfnXferEnqueueDiscard The discard request enqueue callback.
1458	* @param pcszId Unique ID used to identify the user.
1459	*/
1460	DECLR3CALLBACKMEMBER(int, pfnBlkCacheRetain, (PPDMDRVINS pDrvIns, PPPDMBLKCACHE ppBlkCache,
1461	PFNPDMBLKCACHEXFERCOMPLETEDRV pfnXferComplete,
1462	PFNPDMBLKCACHEXFERENQUEUEDRV pfnXferEnqueue,
1463	PFNPDMBLKCACHEXFERENQUEUEDISCARDDRV pfnXferEnqueueDiscard,
1464	const char *pcszId));
1465
1466	/** @name Exported PDM Block Cache Functions
1467	* @{ */
1468	DECLR3CALLBACKMEMBER(void, pfnBlkCacheRelease,(PPDMBLKCACHE pBlkCache));
1469	DECLR3CALLBACKMEMBER(int, pfnBlkCacheClear,(PPDMBLKCACHE pBlkCache));
1470	DECLR3CALLBACKMEMBER(int, pfnBlkCacheSuspend,(PPDMBLKCACHE pBlkCache));
1471	DECLR3CALLBACKMEMBER(int, pfnBlkCacheResume,(PPDMBLKCACHE pBlkCache));
1472	DECLR3CALLBACKMEMBER(void, pfnBlkCacheIoXferComplete,(PPDMBLKCACHE pBlkCache, PPDMBLKCACHEIOXFER hIoXfer, int rcIoXfer));
1473	DECLR3CALLBACKMEMBER(int, pfnBlkCacheRead,(PPDMBLKCACHE pBlkCache, uint64_t off, PCRTSGBUF pSgBuf, size_t cbRead, void *pvUser));
1474	DECLR3CALLBACKMEMBER(int, pfnBlkCacheWrite,(PPDMBLKCACHE pBlkCache, uint64_t off, PCRTSGBUF pSgBuf, size_t cbRead, void *pvUser));
1475	DECLR3CALLBACKMEMBER(int, pfnBlkCacheFlush,(PPDMBLKCACHE pBlkCache, void *pvUser));
1476	DECLR3CALLBACKMEMBER(int, pfnBlkCacheDiscard,(PPDMBLKCACHE pBlkCache, PCRTRANGE paRanges, unsigned cRanges, void *pvUser));
1477	/** @} */
1478
1479	/**
1480	* Gets the reason for the most recent VM suspend.
1481	*
1482	* @returns The suspend reason. VMSUSPENDREASON_INVALID is returned if no
1483	* suspend has been made or if the pDrvIns is invalid.
1484	* @param pDrvIns The driver instance.
1485	*/
1486	DECLR3CALLBACKMEMBER(VMSUSPENDREASON, pfnVMGetSuspendReason,(PPDMDRVINS pDrvIns));
1487
1488	/**
1489	* Gets the reason for the most recent VM resume.
1490	*
1491	* @returns The resume reason. VMRESUMEREASON_INVALID is returned if no
1492	* resume has been made or if the pDrvIns is invalid.
1493	* @param pDrvIns The driver instance.
1494	*/
1495	DECLR3CALLBACKMEMBER(VMRESUMEREASON, pfnVMGetResumeReason,(PPDMDRVINS pDrvIns));
1496
1497	/** @name Space reserved for minor interface changes.
1498	* @{ */
1499	DECLR3CALLBACKMEMBER(int, pfnTimerSetMillies,(PPDMDRVINS pDrvIns, TMTIMERHANDLE hTimer, uint64_t cMilliesToNext));
1500
1501	/**
1502	* Deregister zero or more samples given their name prefix.
1503	*
1504	* @returns VBox status code.
1505	* @param pDrvIns The driver instance.
1506	* @param pszPrefix The name prefix of the samples to remove. If this does
1507	* not start with a '/', the default prefix will be
1508	* prepended, otherwise it will be used as-is.
1509	*/
1510	DECLR3CALLBACKMEMBER(int, pfnSTAMDeregisterByPrefix,(PPDMDRVINS pDrvIns, const char *pszPrefix));
1511
1512	/**
1513	* Queries a generic object from the VMM user.
1514	*
1515	* @returns Pointer to the object if found, NULL if not.
1516	* @param pDrvIns The driver instance.
1517	* @param pUuid The UUID of what's being queried. The UUIDs and
1518	* the usage conventions are defined by the user.
1519	*/
1520	DECLR3CALLBACKMEMBER(void *, pfnQueryGenericUserObject,(PPDMDRVINS pDrvIns, PCRTUUID pUuid));
1521
1522	DECLR3CALLBACKMEMBER(void, pfnReserved0,(PPDMDRVINS pDrvIns));
1523	DECLR3CALLBACKMEMBER(void, pfnReserved1,(PPDMDRVINS pDrvIns));
1524	DECLR3CALLBACKMEMBER(void, pfnReserved2,(PPDMDRVINS pDrvIns));
1525	DECLR3CALLBACKMEMBER(void, pfnReserved3,(PPDMDRVINS pDrvIns));
1526	DECLR3CALLBACKMEMBER(void, pfnReserved4,(PPDMDRVINS pDrvIns));
1527	DECLR3CALLBACKMEMBER(void, pfnReserved5,(PPDMDRVINS pDrvIns));
1528	DECLR3CALLBACKMEMBER(void, pfnReserved6,(PPDMDRVINS pDrvIns));
1529	DECLR3CALLBACKMEMBER(void, pfnReserved7,(PPDMDRVINS pDrvIns));
1530	DECLR3CALLBACKMEMBER(void, pfnReserved8,(PPDMDRVINS pDrvIns));
1531	/** @} */
1532
1533	/** Just a safety precaution. */
1534	uint32_t u32TheEnd;
1535	} PDMDRVHLPR3;
1536	/** Current DRVHLP version number. */
1537	#define PDM_DRVHLPR3_VERSION PDM_VERSION_MAKE(0xf0fb, 16, 0)
1538
1539
1540	/**
1541	* Set the VM error message
1542	*
1543	* @returns rc.
1544	* @param pDrvIns Driver instance.
1545	* @param rc VBox status code.
1546	* @param SRC_POS Use RT_SRC_POS.
1547	* @param pszFormat Error message format string.
1548	* @param ... Error message arguments.
1549	* @sa PDMDRV_SET_ERROR, PDMDrvHlpVMSetErrorV, VMSetError
1550	*/
1551	DECLINLINE(int) RT_IPRT_FORMAT_ATTR(6, 7) PDMDrvHlpVMSetError(PPDMDRVINS pDrvIns, const int rc, RT_SRC_POS_DECL,
1552	const char *pszFormat, ...)
1553	{
1554	va_list va;
1555	va_start(va, pszFormat);
1556	pDrvIns->CTX_SUFF(pHlp)->pfnVMSetErrorV(pDrvIns, rc, RT_SRC_POS_ARGS, pszFormat, va);
1557	va_end(va);
1558	return rc;
1559	}
1560
1561	/** @def PDMDRV_SET_ERROR
1562	* Set the VM error. See PDMDrvHlpVMSetError() for printf like message formatting.
1563	*/
1564	#define PDMDRV_SET_ERROR(pDrvIns, rc, pszError) \
1565	PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS, "%s", pszError)
1566
1567	/**
1568	* @copydoc PDMDRVHLPR3::pfnVMSetErrorV
1569	*/
1570	DECLINLINE(int) RT_IPRT_FORMAT_ATTR(6, 0) PDMDrvHlpVMSetErrorV(PPDMDRVINS pDrvIns, const int rc, RT_SRC_POS_DECL,
1571	const char *pszFormat, va_list va)
1572	{
1573	return pDrvIns->CTX_SUFF(pHlp)->pfnVMSetErrorV(pDrvIns, rc, RT_SRC_POS_ARGS, pszFormat, va);
1574	}
1575
1576
1577	/**
1578	* Set the VM runtime error message
1579	*
1580	* @returns VBox status code.
1581	* @param pDrvIns Driver instance.
1582	* @param fFlags The action flags. See VMSETRTERR_FLAGS_*.
1583	* @param pszErrorId Error ID string.
1584	* @param pszFormat Error message format string.
1585	* @param ... Error message arguments.
1586	* @sa PDMDRV_SET_RUNTIME_ERROR, PDMDrvHlpVMSetRuntimeErrorV,
1587	* VMSetRuntimeError
1588	*/
1589	DECLINLINE(int) RT_IPRT_FORMAT_ATTR(4, 5) PDMDrvHlpVMSetRuntimeError(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId,
1590	const char *pszFormat, ...)
1591	{
1592	va_list va;
1593	int rc;
1594	va_start(va, pszFormat);
1595	rc = pDrvIns->CTX_SUFF(pHlp)->pfnVMSetRuntimeErrorV(pDrvIns, fFlags, pszErrorId, pszFormat, va);
1596	va_end(va);
1597	return rc;
1598	}
1599
1600	/** @def PDMDRV_SET_RUNTIME_ERROR
1601	* Set the VM runtime error. See PDMDrvHlpVMSetRuntimeError() for printf like message formatting.
1602	*/
1603	#define PDMDRV_SET_RUNTIME_ERROR(pDrvIns, fFlags, pszErrorId, pszError) \
1604	PDMDrvHlpVMSetRuntimeError(pDrvIns, fFlags, pszErrorId, "%s", pszError)
1605
1606	/**
1607	* @copydoc PDMDRVHLPR3::pfnVMSetRuntimeErrorV
1608	*/
1609	DECLINLINE(int) RT_IPRT_FORMAT_ATTR(4, 0) PDMDrvHlpVMSetRuntimeErrorV(PPDMDRVINS pDrvIns, uint32_t fFlags,
1610	const char pszErrorId, const char pszFormat, va_list va)
1611	{
1612	return pDrvIns->CTX_SUFF(pHlp)->pfnVMSetRuntimeErrorV(pDrvIns, fFlags, pszErrorId, pszFormat, va);
1613	}
1614
1615	#endif /* IN_RING3 */
1616
1617	/** @def PDMDRV_ASSERT_EMT
1618	* Assert that the current thread is the emulation thread.
1619	*/
1620	#ifdef VBOX_STRICT
1621	# define PDMDRV_ASSERT_EMT(pDrvIns) pDrvIns->CTX_SUFF(pHlp)->pfnAssertEMT(pDrvIns, __FILE__, __LINE__, __FUNCTION__)
1622	#else
1623	# define PDMDRV_ASSERT_EMT(pDrvIns) do { } while (0)
1624	#endif
1625
1626	/** @def PDMDRV_ASSERT_OTHER
1627	* Assert that the current thread is NOT the emulation thread.
1628	*/
1629	#ifdef VBOX_STRICT
1630	# define PDMDRV_ASSERT_OTHER(pDrvIns) pDrvIns->CTX_SUFF(pHlp)->pfnAssertOther(pDrvIns, __FILE__, __LINE__, __FUNCTION__)
1631	#else
1632	# define PDMDRV_ASSERT_OTHER(pDrvIns) do { } while (0)
1633	#endif
1634
1635
1636	#ifdef IN_RING3
1637
1638	/**
1639	* @copydoc PDMDRVHLPR3::pfnAttach
1640	*/
1641	DECLINLINE(int) PDMDrvHlpAttach(PPDMDRVINS pDrvIns, uint32_t fFlags, PPDMIBASE *ppBaseInterface)
1642	{
1643	return pDrvIns->pHlpR3->pfnAttach(pDrvIns, fFlags, ppBaseInterface);
1644	}
1645
1646	/**
1647	* Check that there is no driver below the us that we should attach to.
1648	*
1649	* @returns VERR_PDM_NO_ATTACHED_DRIVER if there is no driver.
1650	* @param pDrvIns The driver instance.
1651	*/
1652	DECLINLINE(int) PDMDrvHlpNoAttach(PPDMDRVINS pDrvIns)
1653	{
1654	return pDrvIns->pHlpR3->pfnAttach(pDrvIns, 0, NULL);
1655	}
1656
1657	/**
1658	* @copydoc PDMDRVHLPR3::pfnDetach
1659	*/
1660	DECLINLINE(int) PDMDrvHlpDetach(PPDMDRVINS pDrvIns, uint32_t fFlags)
1661	{
1662	return pDrvIns->pHlpR3->pfnDetach(pDrvIns, fFlags);
1663	}
1664
1665	/**
1666	* @copydoc PDMDRVHLPR3::pfnDetachSelf
1667	*/
1668	DECLINLINE(int) PDMDrvHlpDetachSelf(PPDMDRVINS pDrvIns, uint32_t fFlags)
1669	{
1670	return pDrvIns->pHlpR3->pfnDetachSelf(pDrvIns, fFlags);
1671	}
1672
1673	/**
1674	* @copydoc PDMDRVHLPR3::pfnMountPrepare
1675	*/
1676	DECLINLINE(int) PDMDrvHlpMountPrepare(PPDMDRVINS pDrvIns, const char pszFilename, const char pszCoreDriver)
1677	{
1678	return pDrvIns->pHlpR3->pfnMountPrepare(pDrvIns, pszFilename, pszCoreDriver);
1679	}
1680
1681	/**
1682	* @copydoc PDMDRVHLPR3::pfnVMState
1683	*/
1684	DECLINLINE(VMSTATE) PDMDrvHlpVMState(PPDMDRVINS pDrvIns)
1685	{
1686	return pDrvIns->CTX_SUFF(pHlp)->pfnVMState(pDrvIns);
1687	}
1688
1689	/**
1690	* @copydoc PDMDRVHLPR3::pfnVMTeleportedAndNotFullyResumedYet
1691	*/
1692	DECLINLINE(bool) PDMDrvHlpVMTeleportedAndNotFullyResumedYet(PPDMDRVINS pDrvIns)
1693	{
1694	return pDrvIns->pHlpR3->pfnVMTeleportedAndNotFullyResumedYet(pDrvIns);
1695	}
1696
1697	/**
1698	* @copydoc PDMDRVHLPR3::pfnGetSupDrvSession
1699	*/
1700	DECLINLINE(PSUPDRVSESSION) PDMDrvHlpGetSupDrvSession(PPDMDRVINS pDrvIns)
1701	{
1702	return pDrvIns->pHlpR3->pfnGetSupDrvSession(pDrvIns);
1703	}
1704
1705	/**
1706	* @copydoc PDMDRVHLPR3::pfnQueueCreate
1707	*/
1708	DECLINLINE(int) PDMDrvHlpQueueCreate(PPDMDRVINS pDrvIns, uint32_t cbItem, uint32_t cItems, uint32_t cMilliesInterval,
1709	PFNPDMQUEUEDRV pfnCallback, const char pszName, PDMQUEUEHANDLE phQueue)
1710	{
1711	return pDrvIns->pHlpR3->pfnQueueCreate(pDrvIns, cbItem, cItems, cMilliesInterval, pfnCallback, pszName, phQueue);
1712	}
1713
1714	/**
1715	* @copydoc PDMDRVHLPR3::pfnQueueAlloc
1716	*/
1717	DECLINLINE(PPDMQUEUEITEMCORE) PDMDrvHlpQueueAlloc(PPDMDRVINS pDrvIns, PDMQUEUEHANDLE hQueue)
1718	{
1719	return pDrvIns->CTX_SUFF(pHlp)->pfnQueueAlloc(pDrvIns, hQueue);
1720	}
1721
1722	/**
1723	* @copydoc PDMDRVHLPR3::pfnQueueInsert
1724	*/
1725	DECLINLINE(int) PDMDrvHlpQueueInsert(PPDMDRVINS pDrvIns, PDMQUEUEHANDLE hQueue, PPDMQUEUEITEMCORE pItem)
1726	{
1727	return pDrvIns->CTX_SUFF(pHlp)->pfnQueueInsert(pDrvIns, hQueue, pItem);
1728	}
1729
1730	/**
1731	* @copydoc PDMDRVHLPR3::pfnQueueFlushIfNecessary
1732	*/
1733	DECLINLINE(bool) PDMDrvHlpQueueFlushIfNecessary(PPDMDRVINS pDrvIns, PDMQUEUEHANDLE hQueue)
1734	{
1735	return pDrvIns->CTX_SUFF(pHlp)->pfnQueueFlushIfNecessary(pDrvIns, hQueue);
1736	}
1737
1738	/**
1739	* @copydoc PDMDRVHLPR3::pfnTMGetVirtualFreq
1740	*/
1741	DECLINLINE(uint64_t) PDMDrvHlpTMGetVirtualFreq(PPDMDRVINS pDrvIns)
1742	{
1743	return pDrvIns->pHlpR3->pfnTMGetVirtualFreq(pDrvIns);
1744	}
1745
1746	/**
1747	* @copydoc PDMDRVHLPR3::pfnTMGetVirtualTime
1748	*/
1749	DECLINLINE(uint64_t) PDMDrvHlpTMGetVirtualTime(PPDMDRVINS pDrvIns)
1750	{
1751	return pDrvIns->pHlpR3->pfnTMGetVirtualTime(pDrvIns);
1752	}
1753
1754	/**
1755	* @copydoc PDMDRVHLPR3::pfnTimerCreate
1756	*/
1757	DECLINLINE(int) PDMDrvHlpTMTimerCreate(PPDMDRVINS pDrvIns, TMCLOCK enmClock, PFNTMTIMERDRV pfnCallback, void *pvUser,
1758	uint32_t fFlags, const char *pszDesc, PTMTIMERHANDLE phTimer)
1759
1760	{
1761	return pDrvIns->pHlpR3->pfnTimerCreate(pDrvIns, enmClock, pfnCallback, pvUser, fFlags, pszDesc, phTimer);
1762	}
1763
1764	/**
1765	* @copydoc PDMDRVHLPR3::pfnTimerDestroy
1766	*/
1767	DECLINLINE(int) PDMDrvHlpTimerDestroy(PPDMDRVINS pDrvIns, TMTIMERHANDLE hTimer)
1768
1769	{
1770	return pDrvIns->pHlpR3->pfnTimerDestroy(pDrvIns, hTimer);
1771	}
1772
1773	/**
1774	* @copydoc PDMDRVHLPR3::pfnTimerSetMillies
1775	*/
1776	DECLINLINE(int) PDMDrvHlpTimerSetMillies(PPDMDRVINS pDrvIns, TMTIMERHANDLE hTimer, uint64_t cMilliesToNext)
1777
1778	{
1779	return pDrvIns->pHlpR3->pfnTimerSetMillies(pDrvIns, hTimer, cMilliesToNext);
1780	}
1781
1782	/**
1783	* Register a save state data unit.
1784	*
1785	* @returns VBox status.
1786	* @param pDrvIns Driver instance.
1787	* @param uVersion Data layout version number.
1788	* @param cbGuess The approximate amount of data in the unit.
1789	* Only for progress indicators.
1790	* @param pfnSaveExec Execute save callback, optional.
1791	* @param pfnLoadExec Execute load callback, optional.
1792	*/
1793	DECLINLINE(int) PDMDrvHlpSSMRegister(PPDMDRVINS pDrvIns, uint32_t uVersion, size_t cbGuess,
1794	PFNSSMDRVSAVEEXEC pfnSaveExec, PFNSSMDRVLOADEXEC pfnLoadExec)
1795	{
1796	return pDrvIns->pHlpR3->pfnSSMRegister(pDrvIns, uVersion, cbGuess,
1797	NULL /pfnLivePrep/, NULL /pfnLiveExec/, NULL /pfnLiveVote/,
1798	NULL /pfnSavePrep/, pfnSaveExec, NULL /pfnSaveDone/,
1799	NULL /pfnLoadPrep/, pfnLoadExec, NULL /pfnLoadDone/);
1800	}
1801
1802	/**
1803	* @copydoc PDMDRVHLPR3::pfnSSMRegister
1804	*/
1805	DECLINLINE(int) PDMDrvHlpSSMRegisterEx(PPDMDRVINS pDrvIns, uint32_t uVersion, size_t cbGuess,
1806	PFNSSMDRVLIVEPREP pfnLivePrep, PFNSSMDRVLIVEEXEC pfnLiveExec, PFNSSMDRVLIVEVOTE pfnLiveVote,
1807	PFNSSMDRVSAVEPREP pfnSavePrep, PFNSSMDRVSAVEEXEC pfnSaveExec, PFNSSMDRVSAVEDONE pfnSaveDone,
1808	PFNSSMDRVLOADPREP pfnLoadPrep, PFNSSMDRVLOADEXEC pfnLoadExec, PFNSSMDRVLOADDONE pfnLoadDone)
1809	{
1810	return pDrvIns->pHlpR3->pfnSSMRegister(pDrvIns, uVersion, cbGuess,
1811	pfnLivePrep, pfnLiveExec, pfnLiveVote,
1812	pfnSavePrep, pfnSaveExec, pfnSaveDone,
1813	pfnLoadPrep, pfnLoadExec, pfnLoadDone);
1814	}
1815
1816	/**
1817	* Register a load done callback.
1818	*
1819	* @returns VBox status.
1820	* @param pDrvIns Driver instance.
1821	* @param pfnLoadDone Done load callback, optional.
1822	*/
1823	DECLINLINE(int) PDMDrvHlpSSMRegisterLoadDone(PPDMDRVINS pDrvIns, PFNSSMDRVLOADDONE pfnLoadDone)
1824	{
1825	return pDrvIns->pHlpR3->pfnSSMRegister(pDrvIns, 0 /uVersion/, 0 /cbGuess/,
1826	NULL /pfnLivePrep/, NULL /pfnLiveExec/, NULL /pfnLiveVote/,
1827	NULL /pfnSavePrep/, NULL /pfnSaveExec/, NULL /pfnSaveDone/,
1828	NULL /pfnLoadPrep/, NULL /pfnLoadExec/, pfnLoadDone);
1829	}
1830
1831	/**
1832	* @copydoc PDMDRVHLPR3::pfnMMHeapFree
1833	*/
1834	DECLINLINE(void) PDMDrvHlpMMHeapFree(PPDMDRVINS pDrvIns, void *pv)
1835	{
1836	pDrvIns->pHlpR3->pfnMMHeapFree(pDrvIns, pv);
1837	}
1838
1839	/**
1840	* @copydoc PDMDRVHLPR3::pfnDBGFInfoRegister
1841	*/
1842	DECLINLINE(int) PDMDrvHlpDBGFInfoRegister(PPDMDRVINS pDrvIns, const char pszName, const char pszDesc, PFNDBGFHANDLERDRV pfnHandler)
1843	{
1844	return pDrvIns->pHlpR3->pfnDBGFInfoRegister(pDrvIns, pszName, pszDesc, pfnHandler);
1845	}
1846
1847	/**
1848	* @copydoc PDMDRVHLPR3::pfnDBGFInfoRegisterArgv
1849	*/
1850	DECLINLINE(int) PDMDrvHlpDBGFInfoRegisterArgv(PPDMDRVINS pDrvIns, const char pszName, const char pszDesc, PFNDBGFINFOARGVDRV pfnHandler)
1851	{
1852	return pDrvIns->pHlpR3->pfnDBGFInfoRegisterArgv(pDrvIns, pszName, pszDesc, pfnHandler);
1853	}
1854
1855	/**
1856	* @copydoc PDMDRVHLPR3::pfnDBGFInfoRegister
1857	*/
1858	DECLINLINE(int) PDMDrvHlpDBGFInfoDeregister(PPDMDRVINS pDrvIns, const char pszName, const char pszDesc, PFNDBGFHANDLERDRV pfnHandler)
1859	{
1860	return pDrvIns->pHlpR3->pfnDBGFInfoRegister(pDrvIns, pszName, pszDesc, pfnHandler);
1861	}
1862
1863	/**
1864	* @copydoc PDMDRVHLPR3::pfnSTAMRegister
1865	*/
1866	DECLINLINE(void) PDMDrvHlpSTAMRegister(PPDMDRVINS pDrvIns, void pvSample, STAMTYPE enmType, const char pszName, STAMUNIT enmUnit, const char *pszDesc)
1867	{
1868	pDrvIns->pHlpR3->pfnSTAMRegister(pDrvIns, pvSample, enmType, pszName, enmUnit, pszDesc);
1869	}
1870
1871	/**
1872	* @copydoc PDMDRVHLPR3::pfnSTAMRegisterF
1873	*/
1874	DECLINLINE(void) RT_IPRT_FORMAT_ATTR(7, 8) PDMDrvHlpSTAMRegisterF(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType,
1875	STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
1876	const char pszDesc, const char pszName, ...)
1877	{
1878	va_list va;
1879	va_start(va, pszName);
1880	pDrvIns->pHlpR3->pfnSTAMRegisterV(pDrvIns, pvSample, enmType, enmVisibility, enmUnit, pszDesc, pszName, va);
1881	va_end(va);
1882	}
1883
1884	/**
1885	* Convenience wrapper that registers counter which is always visible.
1886	*
1887	* @param pDrvIns The driver instance.
1888	* @param pCounter Pointer to the counter variable.
1889	* @param pszName The name of the sample. This is prefixed with
1890	* "/Drivers/<drivername>-<instance no>/".
1891	* @param enmUnit The unit.
1892	* @param pszDesc The description.
1893	*/
1894	DECLINLINE(void) PDMDrvHlpSTAMRegCounterEx(PPDMDRVINS pDrvIns, PSTAMCOUNTER pCounter, const char pszName, STAMUNIT enmUnit, const char pszDesc)
1895	{
1896	pDrvIns->pHlpR3->pfnSTAMRegisterF(pDrvIns, pCounter, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, enmUnit, pszDesc,
1897	"/Drivers/%s-%u/%s", pDrvIns->pReg->szName, pDrvIns->iInstance, pszName);
1898	}
1899
1900	/**
1901	* Convenience wrapper that registers counter which is always visible and has
1902	* the STAMUNIT_COUNT unit.
1903	*
1904	* @param pDrvIns The driver instance.
1905	* @param pCounter Pointer to the counter variable.
1906	* @param pszName The name of the sample. This is prefixed with
1907	* "/Drivers/<drivername>-<instance no>/".
1908	* @param pszDesc The description.
1909	*/
1910	DECLINLINE(void) PDMDrvHlpSTAMRegCounter(PPDMDRVINS pDrvIns, PSTAMCOUNTER pCounter, const char pszName, const char pszDesc)
1911	{
1912	PDMDrvHlpSTAMRegCounterEx(pDrvIns, pCounter, pszName, STAMUNIT_COUNT, pszDesc);
1913	}
1914
1915	/**
1916	* Convenience wrapper that registers profiling sample which is always visible.
1917	*
1918	* @param pDrvIns The driver instance.
1919	* @param pProfile Pointer to the profiling variable.
1920	* @param pszName The name of the sample. This is prefixed with
1921	* "/Drivers/<drivername>-<instance no>/".
1922	* @param enmUnit The unit.
1923	* @param pszDesc The description.
1924	*/
1925	DECLINLINE(void) PDMDrvHlpSTAMRegProfileEx(PPDMDRVINS pDrvIns, PSTAMPROFILE pProfile, const char pszName, STAMUNIT enmUnit, const char pszDesc)
1926	{
1927	pDrvIns->pHlpR3->pfnSTAMRegisterF(pDrvIns, pProfile, STAMTYPE_PROFILE, STAMVISIBILITY_ALWAYS, enmUnit, pszDesc,
1928	"/Drivers/%s-%u/%s", pDrvIns->pReg->szName, pDrvIns->iInstance, pszName);
1929	}
1930
1931	/**
1932	* Convenience wrapper that registers profiling sample which is always visible
1933	* hand counts ticks per call (STAMUNIT_TICKS_PER_CALL).
1934	*
1935	* @param pDrvIns The driver instance.
1936	* @param pProfile Pointer to the profiling variable.
1937	* @param pszName The name of the sample. This is prefixed with
1938	* "/Drivers/<drivername>-<instance no>/".
1939	* @param pszDesc The description.
1940	*/
1941	DECLINLINE(void) PDMDrvHlpSTAMRegProfile(PPDMDRVINS pDrvIns, PSTAMPROFILE pProfile, const char pszName, const char pszDesc)
1942	{
1943	PDMDrvHlpSTAMRegProfileEx(pDrvIns, pProfile, pszName, STAMUNIT_TICKS_PER_CALL, pszDesc);
1944	}
1945
1946	/**
1947	* Convenience wrapper that registers an advanced profiling sample which is
1948	* always visible.
1949	*
1950	* @param pDrvIns The driver instance.
1951	* @param pProfile Pointer to the profiling variable.
1952	* @param enmUnit The unit.
1953	* @param pszName The name of the sample. This is prefixed with
1954	* "/Drivers/<drivername>-<instance no>/".
1955	* @param pszDesc The description.
1956	*/
1957	DECLINLINE(void) PDMDrvHlpSTAMRegProfileAdvEx(PPDMDRVINS pDrvIns, PSTAMPROFILEADV pProfile, const char pszName, STAMUNIT enmUnit, const char pszDesc)
1958	{
1959	pDrvIns->pHlpR3->pfnSTAMRegisterF(pDrvIns, pProfile, STAMTYPE_PROFILE, STAMVISIBILITY_ALWAYS, enmUnit, pszDesc,
1960	"/Drivers/%s-%u/%s", pDrvIns->pReg->szName, pDrvIns->iInstance, pszName);
1961	}
1962
1963	/**
1964	* Convenience wrapper that registers an advanced profiling sample which is
1965	* always visible.
1966	*
1967	* @param pDrvIns The driver instance.
1968	* @param pProfile Pointer to the profiling variable.
1969	* @param pszName The name of the sample. This is prefixed with
1970	* "/Drivers/<drivername>-<instance no>/".
1971	* @param pszDesc The description.
1972	*/
1973	DECLINLINE(void) PDMDrvHlpSTAMRegProfileAdv(PPDMDRVINS pDrvIns, PSTAMPROFILEADV pProfile, const char pszName, const char pszDesc)
1974	{
1975	PDMDrvHlpSTAMRegProfileAdvEx(pDrvIns, pProfile, pszName, STAMUNIT_TICKS_PER_CALL, pszDesc);
1976	}
1977
1978	/**
1979	* @copydoc PDMDRVHLPR3::pfnSTAMDeregister
1980	*/
1981	DECLINLINE(int) PDMDrvHlpSTAMDeregister(PPDMDRVINS pDrvIns, void *pvSample)
1982	{
1983	return pDrvIns->pHlpR3->pfnSTAMDeregister(pDrvIns, pvSample);
1984	}
1985
1986	/**
1987	* @copydoc PDMDRVHLPR3::pfnSTAMDeregisterByPrefix
1988	*/
1989	DECLINLINE(int) PDMDrvHlpSTAMDeregisterByPrefix(PPDMDRVINS pDrvIns, const char *pszPrefix)
1990	{
1991	return pDrvIns->pHlpR3->pfnSTAMDeregisterByPrefix(pDrvIns, pszPrefix);
1992	}
1993
1994	/**
1995	* @copydoc PDMDRVHLPR3::pfnSUPCallVMMR0Ex
1996	*/
1997	DECLINLINE(int) PDMDrvHlpSUPCallVMMR0Ex(PPDMDRVINS pDrvIns, unsigned uOperation, void *pvArg, unsigned cbArg)
1998	{
1999	return pDrvIns->pHlpR3->pfnSUPCallVMMR0Ex(pDrvIns, uOperation, pvArg, cbArg);
2000	}
2001
2002	/**
2003	* @copydoc PDMDRVHLPR3::pfnUSBRegisterHub
2004	*/
2005	DECLINLINE(int) PDMDrvHlpUSBRegisterHub(PPDMDRVINS pDrvIns, uint32_t fVersions, uint32_t cPorts, PCPDMUSBHUBREG pUsbHubReg, PPCPDMUSBHUBHLP ppUsbHubHlp)
2006	{
2007	return pDrvIns->pHlpR3->pfnUSBRegisterHub(pDrvIns, fVersions, cPorts, pUsbHubReg, ppUsbHubHlp);
2008	}
2009
2010	/**
2011	* @copydoc PDMDRVHLPR3::pfnSetAsyncNotification
2012	*/
2013	DECLINLINE(int) PDMDrvHlpSetAsyncNotification(PPDMDRVINS pDrvIns, PFNPDMDRVASYNCNOTIFY pfnAsyncNotify)
2014	{
2015	return pDrvIns->pHlpR3->pfnSetAsyncNotification(pDrvIns, pfnAsyncNotify);
2016	}
2017
2018	/**
2019	* @copydoc PDMDRVHLPR3::pfnAsyncNotificationCompleted
2020	*/
2021	DECLINLINE(void) PDMDrvHlpAsyncNotificationCompleted(PPDMDRVINS pDrvIns)
2022	{
2023	pDrvIns->pHlpR3->pfnAsyncNotificationCompleted(pDrvIns);
2024	}
2025
2026	/**
2027	* @copydoc PDMDRVHLPR3::pfnThreadCreate
2028	*/
2029	DECLINLINE(int) PDMDrvHlpThreadCreate(PPDMDRVINS pDrvIns, PPPDMTHREAD ppThread, void *pvUser, PFNPDMTHREADDRV pfnThread,
2030	PFNPDMTHREADWAKEUPDRV pfnWakeup, size_t cbStack, RTTHREADTYPE enmType, const char *pszName)
2031	{
2032	return pDrvIns->pHlpR3->pfnThreadCreate(pDrvIns, ppThread, pvUser, pfnThread, pfnWakeup, cbStack, enmType, pszName);
2033	}
2034
2035	/**
2036	* @copydoc PDMR3ThreadDestroy
2037	* @param pDrvIns The driver instance.
2038	*/
2039	DECLINLINE(int) PDMDrvHlpThreadDestroy(PPDMDRVINS pDrvIns, PPDMTHREAD pThread, int *pRcThread)
2040	{
2041	return pDrvIns->pHlpR3->pfnThreadDestroy(pThread, pRcThread);
2042	}
2043
2044	/**
2045	* @copydoc PDMR3ThreadIAmSuspending
2046	* @param pDrvIns The driver instance.
2047	*/
2048	DECLINLINE(int) PDMDrvHlpThreadIAmSuspending(PPDMDRVINS pDrvIns, PPDMTHREAD pThread)
2049	{
2050	return pDrvIns->pHlpR3->pfnThreadIAmSuspending(pThread);
2051	}
2052
2053	/**
2054	* @copydoc PDMR3ThreadIAmRunning
2055	* @param pDrvIns The driver instance.
2056	*/
2057	DECLINLINE(int) PDMDrvHlpThreadIAmRunning(PPDMDRVINS pDrvIns, PPDMTHREAD pThread)
2058	{
2059	return pDrvIns->pHlpR3->pfnThreadIAmRunning(pThread);
2060	}
2061
2062	/**
2063	* @copydoc PDMR3ThreadSleep
2064	* @param pDrvIns The driver instance.
2065	*/
2066	DECLINLINE(int) PDMDrvHlpThreadSleep(PPDMDRVINS pDrvIns, PPDMTHREAD pThread, RTMSINTERVAL cMillies)
2067	{
2068	return pDrvIns->pHlpR3->pfnThreadSleep(pThread, cMillies);
2069	}
2070
2071	/**
2072	* @copydoc PDMR3ThreadSuspend
2073	* @param pDrvIns The driver instance.
2074	*/
2075	DECLINLINE(int) PDMDrvHlpThreadSuspend(PPDMDRVINS pDrvIns, PPDMTHREAD pThread)
2076	{
2077	return pDrvIns->pHlpR3->pfnThreadSuspend(pThread);
2078	}
2079
2080	/**
2081	* @copydoc PDMR3ThreadResume
2082	* @param pDrvIns The driver instance.
2083	*/
2084	DECLINLINE(int) PDMDrvHlpThreadResume(PPDMDRVINS pDrvIns, PPDMTHREAD pThread)
2085	{
2086	return pDrvIns->pHlpR3->pfnThreadResume(pThread);
2087	}
2088
2089	# ifdef VBOX_WITH_PDM_ASYNC_COMPLETION
2090	/**
2091	* @copydoc PDMDRVHLPR3::pfnAsyncCompletionTemplateCreate
2092	*/
2093	DECLINLINE(int) PDMDrvHlpAsyncCompletionTemplateCreate(PPDMDRVINS pDrvIns, PPPDMASYNCCOMPLETIONTEMPLATE ppTemplate,
2094	PFNPDMASYNCCOMPLETEDRV pfnCompleted, void pvTemplateUser, const char pszDesc)
2095	{
2096	return pDrvIns->pHlpR3->pfnAsyncCompletionTemplateCreate(pDrvIns, ppTemplate, pfnCompleted, pvTemplateUser, pszDesc);
2097	}
2098
2099	/**
2100	* @copydoc PDMDRVHLPR3::pfnAsyncCompletionTemplateDestroy
2101	*/
2102	DECLINLINE(int) PDMDrvHlpAsyncCompletionTemplateDestroy(PPDMDRVINS pDrvIns, PPDMASYNCCOMPLETIONTEMPLATE pTemplate)
2103	{
2104	return pDrvIns->pHlpR3->pfnAsyncCompletionTemplateDestroy(pTemplate);
2105	}
2106
2107	/**
2108	* @copydoc PDMDRVHLPR3::pfnAsyncCompletionEpCreateForFile
2109	*/
2110	DECLINLINE(int) PDMDrvHlpAsyncCompletionEpCreateForFile(PPDMDRVINS pDrvIns, PPPDMASYNCCOMPLETIONENDPOINT ppEndpoint,
2111	const char *pszFilename, uint32_t fFlags,
2112	PPDMASYNCCOMPLETIONTEMPLATE pTemplate)
2113	{
2114	return pDrvIns->pHlpR3->pfnAsyncCompletionEpCreateForFile(ppEndpoint, pszFilename, fFlags, pTemplate);
2115	}
2116
2117	/**
2118	* @copydoc PDMDRVHLPR3::pfnAsyncCompletionEpClose
2119	*/
2120	DECLINLINE(void) PDMDrvHlpAsyncCompletionEpClose(PPDMDRVINS pDrvIns, PPDMASYNCCOMPLETIONENDPOINT pEndpoint)
2121	{
2122	pDrvIns->pHlpR3->pfnAsyncCompletionEpClose(pEndpoint);
2123	}
2124
2125	/**
2126	* @copydoc PDMDRVHLPR3::pfnAsyncCompletionEpGetSize
2127	*/
2128	DECLINLINE(int) PDMDrvHlpAsyncCompletionEpGetSize(PPDMDRVINS pDrvIns, PPDMASYNCCOMPLETIONENDPOINT pEndpoint, uint64_t *pcbSize)
2129	{
2130	return pDrvIns->pHlpR3->pfnAsyncCompletionEpGetSize(pEndpoint, pcbSize);
2131	}
2132
2133	/**
2134	* @copydoc PDMDRVHLPR3::pfnAsyncCompletionEpSetSize
2135	*/
2136	DECLINLINE(int) PDMDrvHlpAsyncCompletionEpSetSize(PPDMDRVINS pDrvIns, PPDMASYNCCOMPLETIONENDPOINT pEndpoint, uint64_t cbSize)
2137	{
2138	return pDrvIns->pHlpR3->pfnAsyncCompletionEpSetSize(pEndpoint, cbSize);
2139	}
2140
2141	/**
2142	* @copydoc PDMDRVHLPR3::pfnAsyncCompletionEpSetBwMgr
2143	*/
2144	DECLINLINE(int) PDMDrvHlpAsyncCompletionEpSetBwMgr(PPDMDRVINS pDrvIns, PPDMASYNCCOMPLETIONENDPOINT pEndpoint, const char *pszBwMgr)
2145	{
2146	return pDrvIns->pHlpR3->pfnAsyncCompletionEpSetBwMgr(pEndpoint, pszBwMgr);
2147	}
2148
2149	/**
2150	* @copydoc PDMDRVHLPR3::pfnAsyncCompletionEpFlush
2151	*/
2152	DECLINLINE(int) PDMDrvHlpAsyncCompletionEpFlush(PPDMDRVINS pDrvIns, PPDMASYNCCOMPLETIONENDPOINT pEndpoint, void *pvUser,
2153	PPPDMASYNCCOMPLETIONTASK ppTask)
2154	{
2155	return pDrvIns->pHlpR3->pfnAsyncCompletionEpFlush(pEndpoint, pvUser, ppTask);
2156	}
2157
2158	/**
2159	* @copydoc PDMDRVHLPR3::pfnAsyncCompletionEpRead
2160	*/
2161	DECLINLINE(int) PDMDrvHlpAsyncCompletionEpRead(PPDMDRVINS pDrvIns, PPDMASYNCCOMPLETIONENDPOINT pEndpoint, RTFOFF off,
2162	PCRTSGSEG paSegments, unsigned cSegments,
2163	size_t cbRead, void *pvUser,
2164	PPPDMASYNCCOMPLETIONTASK ppTask)
2165	{
2166	return pDrvIns->pHlpR3->pfnAsyncCompletionEpRead(pEndpoint, off, paSegments, cSegments, cbRead, pvUser, ppTask);
2167	}
2168
2169	/**
2170	* @copydoc PDMDRVHLPR3::pfnAsyncCompletionEpWrite
2171	*/
2172	DECLINLINE(int) PDMDrvHlpAsyncCompletionEpWrite(PPDMDRVINS pDrvIns, PPDMASYNCCOMPLETIONENDPOINT pEndpoint, RTFOFF off,
2173	PCRTSGSEG paSegments, unsigned cSegments,
2174	size_t cbWrite, void *pvUser,
2175	PPPDMASYNCCOMPLETIONTASK ppTask)
2176	{
2177	return pDrvIns->pHlpR3->pfnAsyncCompletionEpWrite(pEndpoint, off, paSegments, cSegments, cbWrite, pvUser, ppTask);
2178	}
2179	# endif
2180
2181	#endif /* IN_RING3 */
2182
2183	#ifdef VBOX_WITH_NETSHAPER
2184	# ifdef IN_RING3
2185
2186	/**
2187	* @copydoc PDMDRVHLPR3::pfnNetShaperAttach
2188	*/
2189	DECLINLINE(int) PDMDrvHlpNetShaperAttach(PPDMDRVINS pDrvIns, const char *pcszBwGroup, PPDMNSFILTER pFilter)
2190	{
2191	return pDrvIns->pHlpR3->pfnNetShaperAttach(pDrvIns, pcszBwGroup, pFilter);
2192	}
2193
2194	/**
2195	* @copydoc PDMDRVHLPR3::pfnNetShaperDetach
2196	*/
2197	DECLINLINE(int) PDMDrvHlpNetShaperDetach(PPDMDRVINS pDrvIns, PPDMNSFILTER pFilter)
2198	{
2199	return pDrvIns->pHlpR3->pfnNetShaperDetach(pDrvIns, pFilter);
2200	}
2201
2202	# endif /* IN_RING3 */
2203
2204	/**
2205	* @copydoc PDMDRVHLPR3::pfnNetShaperAllocateBandwidth
2206	*/
2207	DECLINLINE(bool) PDMDrvHlpNetShaperAllocateBandwidth(PPDMDRVINS pDrvIns, PPDMNSFILTER pFilter, size_t cbTransfer)
2208	{
2209	return pDrvIns->CTX_SUFF(pHlp)->pfnNetShaperAllocateBandwidth(pDrvIns, pFilter, cbTransfer);
2210	}
2211
2212	#endif /* VBOX_WITH_NETSHAPER*/
2213
2214	#ifdef IN_RING3
2215	/**
2216	* @copydoc PDMDRVHLPR3::pfnCritSectInit
2217	*/
2218	DECLINLINE(int) PDMDrvHlpCritSectInit(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, RT_SRC_POS_DECL, const char *pszName)
2219	{
2220	return pDrvIns->pHlpR3->pfnCritSectInit(pDrvIns, pCritSect, RT_SRC_POS_ARGS, pszName);
2221	}
2222	#endif /* IN_RING3 */
2223
2224	/**
2225	* @see PDMCritSectEnter
2226	*/
2227	DECLINLINE(int) PDMDrvHlpCritSectEnter(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, int rcBusy)
2228	{
2229	return pDrvIns->CTX_SUFF(pHlp)->pfnCritSectEnter(pDrvIns, pCritSect, rcBusy);
2230	}
2231
2232	/**
2233	* @see PDMCritSectEnterDebug
2234	*/
2235	DECLINLINE(int) PDMDrvHlpCritSectEnterDebug(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, int rcBusy, RTHCUINTPTR uId, RT_SRC_POS_DECL)
2236	{
2237	return pDrvIns->CTX_SUFF(pHlp)->pfnCritSectEnterDebug(pDrvIns, pCritSect, rcBusy, uId, RT_SRC_POS_ARGS);
2238	}
2239
2240	/**
2241	* @see PDMCritSectTryEnter
2242	*/
2243	DECLINLINE(int) PDMDrvHlpCritSectTryEnter(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect)
2244	{
2245	return pDrvIns->CTX_SUFF(pHlp)->pfnCritSectTryEnter(pDrvIns, pCritSect);
2246	}
2247
2248	/**
2249	* @see PDMCritSectTryEnterDebug
2250	*/
2251	DECLINLINE(int) PDMDrvHlpCritSectTryEnterDebug(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, RTHCUINTPTR uId, RT_SRC_POS_DECL)
2252	{
2253	return pDrvIns->CTX_SUFF(pHlp)->pfnCritSectTryEnterDebug(pDrvIns, pCritSect, uId, RT_SRC_POS_ARGS);
2254	}
2255
2256	/**
2257	* @see PDMCritSectLeave
2258	*/
2259	DECLINLINE(int) PDMDrvHlpCritSectLeave(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect)
2260	{
2261	return pDrvIns->CTX_SUFF(pHlp)->pfnCritSectLeave(pDrvIns, pCritSect);
2262	}
2263
2264	/**
2265	* @see PDMCritSectIsOwner
2266	*/
2267	DECLINLINE(bool) PDMDrvHlpCritSectIsOwner(PPDMDRVINS pDrvIns, PCPDMCRITSECT pCritSect)
2268	{
2269	return pDrvIns->CTX_SUFF(pHlp)->pfnCritSectIsOwner(pDrvIns, pCritSect);
2270	}
2271
2272	/**
2273	* @see PDMCritSectIsInitialized
2274	*/
2275	DECLINLINE(bool) PDMDrvHlpCritSectIsInitialized(PPDMDRVINS pDrvIns, PCPDMCRITSECT pCritSect)
2276	{
2277	return pDrvIns->CTX_SUFF(pHlp)->pfnCritSectIsInitialized(pDrvIns, pCritSect);
2278	}
2279
2280	/**
2281	* @see PDMCritSectHasWaiters
2282	*/
2283	DECLINLINE(bool) PDMDrvHlpCritSectHasWaiters(PPDMDRVINS pDrvIns, PCPDMCRITSECT pCritSect)
2284	{
2285	return pDrvIns->CTX_SUFF(pHlp)->pfnCritSectHasWaiters(pDrvIns, pCritSect);
2286	}
2287
2288	/**
2289	* @see PDMCritSectGetRecursion
2290	*/
2291	DECLINLINE(uint32_t) PDMDrvHlpCritSectGetRecursion(PPDMDRVINS pDrvIns, PCPDMCRITSECT pCritSect)
2292	{
2293	return pDrvIns->CTX_SUFF(pHlp)->pfnCritSectGetRecursion(pDrvIns, pCritSect);
2294	}
2295
2296	#if defined(IN_RING3) \|\| defined(IN_RING0)
2297	/**
2298	* @see PDMHCCritSectScheduleExitEvent
2299	*/
2300	DECLINLINE(int) PDMDrvHlpCritSectScheduleExitEvent(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, SUPSEMEVENT hEventToSignal)
2301	{
2302	return pDrvIns->CTX_SUFF(pHlp)->pfnCritSectScheduleExitEvent(pDrvIns, pCritSect, hEventToSignal);
2303	}
2304	#endif
2305
2306	/* Strict build: Remap the two enter calls to the debug versions. */
2307	#ifdef VBOX_STRICT
2308	# ifdef IPRT_INCLUDED_asm_h
2309	# define PDMDrvHlpCritSectEnter(pDrvIns, pCritSect, rcBusy) PDMDrvHlpCritSectEnterDebug((pDrvIns), (pCritSect), (rcBusy), (uintptr_t)ASMReturnAddress(), RT_SRC_POS)
2310	# define PDMDrvHlpCritSectTryEnter(pDrvIns, pCritSect) PDMDrvHlpCritSectTryEnterDebug((pDrvIns), (pCritSect), (uintptr_t)ASMReturnAddress(), RT_SRC_POS)
2311	# else
2312	# define PDMDrvHlpCritSectEnter(pDrvIns, pCritSect, rcBusy) PDMDrvHlpCritSectEnterDebug((pDrvIns), (pCritSect), (rcBusy), 0, RT_SRC_POS)
2313	# define PDMDrvHlpCritSectTryEnter(pDrvIns, pCritSect) PDMDrvHlpCritSectTryEnterDebug((pDrvIns), (pCritSect), 0, RT_SRC_POS)
2314	# endif
2315	#endif
2316
2317	#if defined(IN_RING3) \|\| defined(DOXYGEN_RUNNING)
2318
2319	/**
2320	* @see PDMR3CritSectDelete
2321	*/
2322	DECLINLINE(int) PDMDrvHlpCritSectDelete(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect)
2323	{
2324	return pDrvIns->pHlpR3->pfnCritSectDelete(pDrvIns, pCritSect);
2325	}
2326
2327	/**
2328	* @copydoc PDMDRVHLPR3::pfnCallR0
2329	*/
2330	DECLINLINE(int) PDMDrvHlpCallR0(PPDMDRVINS pDrvIns, uint32_t uOperation, uint64_t u64Arg)
2331	{
2332	return pDrvIns->pHlpR3->pfnCallR0(pDrvIns, uOperation, u64Arg);
2333	}
2334
2335	/**
2336	* @copydoc PDMDRVHLPR3::pfnBlkCacheRetain
2337	*/
2338	DECLINLINE(int) PDMDrvHlpBlkCacheRetain(PPDMDRVINS pDrvIns, PPPDMBLKCACHE ppBlkCache,
2339	PFNPDMBLKCACHEXFERCOMPLETEDRV pfnXferComplete,
2340	PFNPDMBLKCACHEXFERENQUEUEDRV pfnXferEnqueue,
2341	PFNPDMBLKCACHEXFERENQUEUEDISCARDDRV pfnXferEnqueueDiscard,
2342	const char *pcszId)
2343	{
2344	return pDrvIns->pHlpR3->pfnBlkCacheRetain(pDrvIns, ppBlkCache, pfnXferComplete, pfnXferEnqueue, pfnXferEnqueueDiscard, pcszId);
2345	}
2346
2347	/**
2348	* @copydoc PDMDRVHLPR3::pfnBlkCacheRelease
2349	*/
2350	DECLINLINE(void) PDMDrvHlpBlkCacheRelease(PPDMDRVINS pDrvIns, PPDMBLKCACHE pBlkCache)
2351	{
2352	pDrvIns->pHlpR3->pfnBlkCacheRelease(pBlkCache);
2353	}
2354
2355	/**
2356	* @copydoc PDMDRVHLPR3::pfnBlkCacheClear
2357	*/
2358	DECLINLINE(int) PDMDrvHlpBlkCacheClear(PPDMDRVINS pDrvIns, PPDMBLKCACHE pBlkCache)
2359	{
2360	return pDrvIns->pHlpR3->pfnBlkCacheClear(pBlkCache);
2361	}
2362
2363	/**
2364	* @copydoc PDMDRVHLPR3::pfnBlkCacheSuspend
2365	*/
2366	DECLINLINE(int) PDMDrvHlpBlkCacheSuspend(PPDMDRVINS pDrvIns, PPDMBLKCACHE pBlkCache)
2367	{
2368	return pDrvIns->pHlpR3->pfnBlkCacheSuspend(pBlkCache);
2369	}
2370
2371	/**
2372	* @copydoc PDMDRVHLPR3::pfnBlkCacheResume
2373	*/
2374	DECLINLINE(int) PDMDrvHlpBlkCacheResume(PPDMDRVINS pDrvIns, PPDMBLKCACHE pBlkCache)
2375	{
2376	return pDrvIns->pHlpR3->pfnBlkCacheResume(pBlkCache);
2377	}
2378
2379	/**
2380	* @copydoc PDMDRVHLPR3::pfnBlkCacheIoXferComplete
2381	*/
2382	DECLINLINE(void) PDMDrvHlpBlkCacheIoXferComplete(PPDMDRVINS pDrvIns, PPDMBLKCACHE pBlkCache,
2383	PPDMBLKCACHEIOXFER hIoXfer, int rcIoXfer)
2384	{
2385	pDrvIns->pHlpR3->pfnBlkCacheIoXferComplete(pBlkCache, hIoXfer, rcIoXfer);
2386	}
2387
2388	/**
2389	* @copydoc PDMDRVHLPR3::pfnBlkCacheRead
2390	*/
2391	DECLINLINE(int) PDMDrvHlpBlkCacheRead(PPDMDRVINS pDrvIns, PPDMBLKCACHE pBlkCache, uint64_t off,
2392	PCRTSGBUF pSgBuf, size_t cbRead, void *pvUser)
2393	{
2394	return pDrvIns->pHlpR3->pfnBlkCacheRead(pBlkCache, off, pSgBuf, cbRead, pvUser);
2395	}
2396
2397	/**
2398	* @copydoc PDMDRVHLPR3::pfnBlkCacheWrite
2399	*/
2400	DECLINLINE(int) PDMDrvHlpBlkCacheWrite(PPDMDRVINS pDrvIns, PPDMBLKCACHE pBlkCache, uint64_t off,
2401	PCRTSGBUF pSgBuf, size_t cbRead, void *pvUser)
2402	{
2403	return pDrvIns->pHlpR3->pfnBlkCacheWrite(pBlkCache, off, pSgBuf, cbRead, pvUser);
2404	}
2405
2406	/**
2407	* @copydoc PDMDRVHLPR3::pfnBlkCacheFlush
2408	*/
2409	DECLINLINE(int) PDMDrvHlpBlkCacheFlush(PPDMDRVINS pDrvIns, PPDMBLKCACHE pBlkCache, void *pvUser)
2410	{
2411	return pDrvIns->pHlpR3->pfnBlkCacheFlush(pBlkCache, pvUser);
2412	}
2413
2414	/**
2415	* @copydoc PDMDRVHLPR3::pfnBlkCacheDiscard
2416	*/
2417	DECLINLINE(int) PDMDrvHlpBlkCacheDiscard(PPDMDRVINS pDrvIns, PPDMBLKCACHE pBlkCache, PCRTRANGE paRanges,
2418	unsigned cRanges, void *pvUser)
2419	{
2420	return pDrvIns->pHlpR3->pfnBlkCacheDiscard(pBlkCache, paRanges, cRanges, pvUser);
2421	}
2422
2423	/**
2424	* @copydoc PDMDRVHLPR3::pfnVMGetSuspendReason
2425	*/
2426	DECLINLINE(VMSUSPENDREASON) PDMDrvHlpVMGetSuspendReason(PPDMDRVINS pDrvIns)
2427	{
2428	return pDrvIns->pHlpR3->pfnVMGetSuspendReason(pDrvIns);
2429	}
2430
2431	/**
2432	* @copydoc PDMDRVHLPR3::pfnVMGetResumeReason
2433	*/
2434	DECLINLINE(VMRESUMEREASON) PDMDrvHlpVMGetResumeReason(PPDMDRVINS pDrvIns)
2435	{
2436	return pDrvIns->pHlpR3->pfnVMGetResumeReason(pDrvIns);
2437	}
2438
2439	/**
2440	* @copydoc PDMDRVHLPR3::pfnQueryGenericUserObject
2441	*/
2442	DECLINLINE(void *) PDMDrvHlpQueryGenericUserObject(PPDMDRVINS pDrvIns, PCRTUUID pUuid)
2443	{
2444	return pDrvIns->pHlpR3->pfnQueryGenericUserObject(pDrvIns, pUuid);
2445	}
2446
2447
2448	/** Pointer to callbacks provided to the VBoxDriverRegister() call. */
2449	typedef struct PDMDRVREGCB *PPDMDRVREGCB;
2450	/** Pointer to const callbacks provided to the VBoxDriverRegister() call. */
2451	typedef const struct PDMDRVREGCB *PCPDMDRVREGCB;
2452
2453	/**
2454	* Callbacks for VBoxDriverRegister().
2455	*/
2456	typedef struct PDMDRVREGCB
2457	{
2458	/** Interface version.
2459	* This is set to PDM_DRVREG_CB_VERSION. */
2460	uint32_t u32Version;
2461
2462	/**
2463	* Registers a driver with the current VM instance.
2464	*
2465	* @returns VBox status code.
2466	* @param pCallbacks Pointer to the callback table.
2467	* @param pReg Pointer to the driver registration record.
2468	* This data must be permanent and readonly.
2469	*/
2470	DECLR3CALLBACKMEMBER(int, pfnRegister,(PCPDMDRVREGCB pCallbacks, PCPDMDRVREG pReg));
2471	} PDMDRVREGCB;
2472
2473	/** Current version of the PDMDRVREGCB structure. */
2474	#define PDM_DRVREG_CB_VERSION PDM_VERSION_MAKE(0xf0fa, 1, 0)
2475
2476
2477	/**
2478	* The VBoxDriverRegister callback function.
2479	*
2480	* PDM will invoke this function after loading a driver module and letting
2481	* the module decide which drivers to register and how to handle conflicts.
2482	*
2483	* @returns VBox status code.
2484	* @param pCallbacks Pointer to the callback table.
2485	* @param u32Version VBox version number.
2486	*/
2487	typedef DECLCALLBACKTYPE(int, FNPDMVBOXDRIVERSREGISTER,(PCPDMDRVREGCB pCallbacks, uint32_t u32Version));
2488
2489	VMMR3DECL(int) PDMR3DrvStaticRegistration(PVM pVM, FNPDMVBOXDRIVERSREGISTER pfnCallback);
2490
2491	#endif /* IN_RING3 */
2492
2493	/** @} */
2494
2495	RT_C_DECLS_END
2496
2497	#endif /* !VBOX_INCLUDED_vmm_pdmdrv_h */

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source: vbox/trunk/include/VBox/vmm/pdmdrv.h@ 97262

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