VirtualBox

source: vbox/trunk/include/VBox/vmm/pdmdrv.h@ 78235

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1/** @file
2 * PDM - Pluggable Device Manager, Drivers.
3 */
4
5/*
6 * Copyright (C) 2006-2019 Oracle Corporation
7 *
8 * This file is part of VirtualBox Open Source Edition (OSE), as
9 * available from http://www.virtualbox.org. This file is free software;
10 * you can redistribute it and/or modify it under the terms of the GNU
11 * General Public License (GPL) as published by the Free Software
12 * Foundation, in version 2 as it comes in the "COPYING" file of the
13 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15 *
16 * The contents of this file may alternatively be used under the terms
17 * of the Common Development and Distribution License Version 1.0
18 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19 * VirtualBox OSE distribution, in which case the provisions of the
20 * CDDL are applicable instead of those of the GPL.
21 *
22 * You may elect to license modified versions of this file under the
23 * terms and conditions of either the GPL or the CDDL or both.
24 */
25
26#ifndef VBOX_INCLUDED_vmm_pdmdrv_h
27#define VBOX_INCLUDED_vmm_pdmdrv_h
28#ifndef RT_WITHOUT_PRAGMA_ONCE
29# pragma once
30#endif
31
32#include <VBox/vmm/pdmqueue.h>
33#include <VBox/vmm/pdmcritsect.h>
34#include <VBox/vmm/pdmifs.h>
35#include <VBox/vmm/pdmins.h>
36#include <VBox/vmm/pdmcommon.h>
37#ifdef IN_RING3
38# include <VBox/vmm/pdmthread.h>
39# include <VBox/vmm/pdmasynccompletion.h>
40# include <VBox/vmm/pdmblkcache.h>
41#endif
42#include <VBox/vmm/tm.h>
43#include <VBox/vmm/ssm.h>
44#include <VBox/vmm/cfgm.h>
45#include <VBox/vmm/dbgf.h>
46#include <VBox/vmm/mm.h>
47#include <VBox/vmm/ftm.h>
48#include <iprt/stdarg.h>
49
50
51RT_C_DECLS_BEGIN
52
53/** @defgroup grp_pdm_driver The PDM Drivers API
54 * @ingroup grp_pdm
55 * @{
56 */
57
58/** Pointer const PDM Driver API, ring-3. */
59typedef R3PTRTYPE(struct PDMDRVHLPR3 const *) PCPDMDRVHLPR3;
60/** Pointer const PDM Driver API, ring-0. */
61typedef R0PTRTYPE(struct PDMDRVHLPR0 const *) PCPDMDRVHLPR0;
62/** Pointer const PDM Driver API, raw-mode context. */
63typedef RCPTRTYPE(struct PDMDRVHLPRC const *) PCPDMDRVHLPRC;
64
65
66/**
67 * Construct a driver instance for a VM.
68 *
69 * @returns VBox status.
70 * @param pDrvIns The driver instance data. If the registration structure
71 * is needed, it can be accessed thru pDrvIns->pReg.
72 * @param pCfg Configuration node handle for the driver. This is
73 * expected to be in high demand in the constructor and is
74 * therefore passed as an argument. When using it at other
75 * times, it can be accessed via pDrvIns->pCfg.
76 * @param fFlags Flags, combination of the PDM_TACH_FLAGS_* \#defines.
77 */
78typedef DECLCALLBACK(int) FNPDMDRVCONSTRUCT(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags);
79/** Pointer to a FNPDMDRVCONSTRUCT() function. */
80typedef FNPDMDRVCONSTRUCT *PFNPDMDRVCONSTRUCT;
81
82/**
83 * Destruct a driver instance.
84 *
85 * Most VM resources are freed by the VM. This callback is provided so that
86 * any non-VM resources can be freed correctly.
87 *
88 * @param pDrvIns The driver instance data.
89 */
90typedef DECLCALLBACK(void) FNPDMDRVDESTRUCT(PPDMDRVINS pDrvIns);
91/** Pointer to a FNPDMDRVDESTRUCT() function. */
92typedef FNPDMDRVDESTRUCT *PFNPDMDRVDESTRUCT;
93
94/**
95 * Driver relocation callback.
96 *
97 * This is called when the instance data has been relocated in raw-mode context
98 * (RC). It is also called when the RC hypervisor selects changes. The driver
99 * must fixup all necessary pointers and re-query all interfaces to other RC
100 * devices and drivers.
101 *
102 * Before the RC code is executed the first time, this function will be called
103 * with a 0 delta so RC pointer calculations can be one in one place.
104 *
105 * @param pDrvIns Pointer to the driver instance.
106 * @param offDelta The relocation delta relative to the old location.
107 *
108 * @remark A relocation CANNOT fail.
109 */
110typedef DECLCALLBACK(void) FNPDMDRVRELOCATE(PPDMDRVINS pDrvIns, RTGCINTPTR offDelta);
111/** Pointer to a FNPDMDRVRELOCATE() function. */
112typedef FNPDMDRVRELOCATE *PFNPDMDRVRELOCATE;
113
114/**
115 * Driver I/O Control interface.
116 *
117 * This is used by external components, such as the COM interface, to
118 * communicate with a driver using a driver specific interface. Generally,
119 * the driver interfaces are used for this task.
120 *
121 * @returns VBox status code.
122 * @param pDrvIns Pointer to the driver instance.
123 * @param uFunction Function to perform.
124 * @param pvIn Pointer to input data.
125 * @param cbIn Size of input data.
126 * @param pvOut Pointer to output data.
127 * @param cbOut Size of output data.
128 * @param pcbOut Where to store the actual size of the output data.
129 */
130typedef DECLCALLBACK(int) FNPDMDRVIOCTL(PPDMDRVINS pDrvIns, uint32_t uFunction,
131 void *pvIn, uint32_t cbIn,
132 void *pvOut, uint32_t cbOut, uint32_t *pcbOut);
133/** Pointer to a FNPDMDRVIOCTL() function. */
134typedef FNPDMDRVIOCTL *PFNPDMDRVIOCTL;
135
136/**
137 * Power On notification.
138 *
139 * @param pDrvIns The driver instance data.
140 */
141typedef DECLCALLBACK(void) FNPDMDRVPOWERON(PPDMDRVINS pDrvIns);
142/** Pointer to a FNPDMDRVPOWERON() function. */
143typedef FNPDMDRVPOWERON *PFNPDMDRVPOWERON;
144
145/**
146 * Reset notification.
147 *
148 * @returns VBox status.
149 * @param pDrvIns The driver instance data.
150 */
151typedef DECLCALLBACK(void) FNPDMDRVRESET(PPDMDRVINS pDrvIns);
152/** Pointer to a FNPDMDRVRESET() function. */
153typedef FNPDMDRVRESET *PFNPDMDRVRESET;
154
155/**
156 * Suspend notification.
157 *
158 * @returns VBox status.
159 * @param pDrvIns The driver instance data.
160 */
161typedef DECLCALLBACK(void) FNPDMDRVSUSPEND(PPDMDRVINS pDrvIns);
162/** Pointer to a FNPDMDRVSUSPEND() function. */
163typedef FNPDMDRVSUSPEND *PFNPDMDRVSUSPEND;
164
165/**
166 * Resume notification.
167 *
168 * @returns VBox status.
169 * @param pDrvIns The driver instance data.
170 */
171typedef DECLCALLBACK(void) FNPDMDRVRESUME(PPDMDRVINS pDrvIns);
172/** Pointer to a FNPDMDRVRESUME() function. */
173typedef FNPDMDRVRESUME *PFNPDMDRVRESUME;
174
175/**
176 * Power Off notification.
177 *
178 * This is always called when VMR3PowerOff is called.
179 * There will be no callback when hot plugging devices or when replumbing the driver
180 * stack.
181 *
182 * @param pDrvIns The driver instance data.
183 */
184typedef DECLCALLBACK(void) FNPDMDRVPOWEROFF(PPDMDRVINS pDrvIns);
185/** Pointer to a FNPDMDRVPOWEROFF() function. */
186typedef FNPDMDRVPOWEROFF *PFNPDMDRVPOWEROFF;
187
188/**
189 * Attach command.
190 *
191 * This is called to let the driver attach to a driver at runtime. This is not
192 * called during VM construction, the driver constructor have to do this by
193 * calling PDMDrvHlpAttach.
194 *
195 * This is like plugging in the keyboard or mouse after turning on the PC.
196 *
197 * @returns VBox status code.
198 * @param pDrvIns The driver instance.
199 * @param fFlags Flags, combination of the PDM_TACH_FLAGS_* \#defines.
200 */
201typedef DECLCALLBACK(int) FNPDMDRVATTACH(PPDMDRVINS pDrvIns, uint32_t fFlags);
202/** Pointer to a FNPDMDRVATTACH() function. */
203typedef FNPDMDRVATTACH *PFNPDMDRVATTACH;
204
205/**
206 * Detach notification.
207 *
208 * This is called when a driver below it in the chain is detaching itself
209 * from it. The driver should adjust it's state to reflect this.
210 *
211 * This is like ejecting a cdrom or floppy.
212 *
213 * @param pDrvIns The driver instance.
214 * @param fFlags PDM_TACH_FLAGS_NOT_HOT_PLUG or 0.
215 */
216typedef DECLCALLBACK(void) FNPDMDRVDETACH(PPDMDRVINS pDrvIns, uint32_t fFlags);
217/** Pointer to a FNPDMDRVDETACH() function. */
218typedef FNPDMDRVDETACH *PFNPDMDRVDETACH;
219
220
221
222/**
223 * PDM Driver Registration Structure.
224 *
225 * This structure is used when registering a driver from VBoxInitDrivers() (in
226 * host ring-3 context). PDM will continue use till the VM is terminated.
227 */
228typedef struct PDMDRVREG
229{
230 /** Structure version. PDM_DRVREG_VERSION defines the current version. */
231 uint32_t u32Version;
232 /** Driver name. */
233 char szName[32];
234 /** Name of the raw-mode context module (no path).
235 * Only evalutated if PDM_DRVREG_FLAGS_RC is set. */
236 char szRCMod[32];
237 /** Name of the ring-0 module (no path).
238 * Only evalutated if PDM_DRVREG_FLAGS_R0 is set. */
239 char szR0Mod[32];
240 /** The description of the driver. The UTF-8 string pointed to shall, like this structure,
241 * remain unchanged from registration till VM destruction. */
242 const char *pszDescription;
243
244 /** Flags, combination of the PDM_DRVREG_FLAGS_* \#defines. */
245 uint32_t fFlags;
246 /** Driver class(es), combination of the PDM_DRVREG_CLASS_* \#defines. */
247 uint32_t fClass;
248 /** Maximum number of instances (per VM). */
249 uint32_t cMaxInstances;
250 /** Size of the instance data. */
251 uint32_t cbInstance;
252
253 /** Construct instance - required. */
254 PFNPDMDRVCONSTRUCT pfnConstruct;
255 /** Destruct instance - optional. */
256 PFNPDMDRVDESTRUCT pfnDestruct;
257 /** Relocation command - optional. */
258 PFNPDMDRVRELOCATE pfnRelocate;
259 /** I/O control - optional. */
260 PFNPDMDRVIOCTL pfnIOCtl;
261 /** Power on notification - optional. */
262 PFNPDMDRVPOWERON pfnPowerOn;
263 /** Reset notification - optional. */
264 PFNPDMDRVRESET pfnReset;
265 /** Suspend notification - optional. */
266 PFNPDMDRVSUSPEND pfnSuspend;
267 /** Resume notification - optional. */
268 PFNPDMDRVRESUME pfnResume;
269 /** Attach command - optional. */
270 PFNPDMDRVATTACH pfnAttach;
271 /** Detach notification - optional. */
272 PFNPDMDRVDETACH pfnDetach;
273 /** Power off notification - optional. */
274 PFNPDMDRVPOWEROFF pfnPowerOff;
275 /** @todo */
276 PFNRT pfnSoftReset;
277 /** Initialization safty marker. */
278 uint32_t u32VersionEnd;
279} PDMDRVREG;
280/** Pointer to a PDM Driver Structure. */
281typedef PDMDRVREG *PPDMDRVREG;
282/** Const pointer to a PDM Driver Structure. */
283typedef PDMDRVREG const *PCPDMDRVREG;
284
285/** Current DRVREG version number. */
286#define PDM_DRVREG_VERSION PDM_VERSION_MAKE(0xf0ff, 1, 0)
287
288/** PDM Driver Flags.
289 * @{ */
290/** @def PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT
291 * The bit count for the current host. */
292#if HC_ARCH_BITS == 32
293# define PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT UINT32_C(0x00000001)
294#elif HC_ARCH_BITS == 64
295# define PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT UINT32_C(0x00000002)
296#else
297# error Unsupported HC_ARCH_BITS value.
298#endif
299/** The host bit count mask. */
300#define PDM_DRVREG_FLAGS_HOST_BITS_MASK UINT32_C(0x00000003)
301/** This flag is used to indicate that the driver has a RC component. */
302#define PDM_DRVREG_FLAGS_RC UINT32_C(0x00000010)
303/** This flag is used to indicate that the driver has a R0 component. */
304#define PDM_DRVREG_FLAGS_R0 UINT32_C(0x00000020)
305
306/** @} */
307
308
309/** PDM Driver Classes.
310 * @{ */
311/** Mouse input driver. */
312#define PDM_DRVREG_CLASS_MOUSE RT_BIT(0)
313/** Keyboard input driver. */
314#define PDM_DRVREG_CLASS_KEYBOARD RT_BIT(1)
315/** Display driver. */
316#define PDM_DRVREG_CLASS_DISPLAY RT_BIT(2)
317/** Network transport driver. */
318#define PDM_DRVREG_CLASS_NETWORK RT_BIT(3)
319/** Block driver. */
320#define PDM_DRVREG_CLASS_BLOCK RT_BIT(4)
321/** Media driver. */
322#define PDM_DRVREG_CLASS_MEDIA RT_BIT(5)
323/** Mountable driver. */
324#define PDM_DRVREG_CLASS_MOUNTABLE RT_BIT(6)
325/** Audio driver. */
326#define PDM_DRVREG_CLASS_AUDIO RT_BIT(7)
327/** VMMDev driver. */
328#define PDM_DRVREG_CLASS_VMMDEV RT_BIT(8)
329/** Status driver. */
330#define PDM_DRVREG_CLASS_STATUS RT_BIT(9)
331/** ACPI driver. */
332#define PDM_DRVREG_CLASS_ACPI RT_BIT(10)
333/** USB related driver. */
334#define PDM_DRVREG_CLASS_USB RT_BIT(11)
335/** ISCSI Transport related driver. */
336#define PDM_DRVREG_CLASS_ISCSITRANSPORT RT_BIT(12)
337/** Char driver. */
338#define PDM_DRVREG_CLASS_CHAR RT_BIT(13)
339/** Stream driver. */
340#define PDM_DRVREG_CLASS_STREAM RT_BIT(14)
341/** SCSI driver. */
342#define PDM_DRVREG_CLASS_SCSI RT_BIT(15)
343/** Generic raw PCI device driver. */
344#define PDM_DRVREG_CLASS_PCIRAW RT_BIT(16)
345/** @} */
346
347
348/**
349 * PDM Driver Instance.
350 *
351 * @implements PDMIBASE
352 */
353typedef struct PDMDRVINS
354{
355 /** Structure version. PDM_DRVINS_VERSION defines the current version. */
356 uint32_t u32Version;
357 /** Driver instance number. */
358 uint32_t iInstance;
359
360 /** Pointer the PDM Driver API. */
361 RCPTRTYPE(PCPDMDRVHLPRC) pHlpRC;
362 /** Pointer to driver instance data. */
363 RCPTRTYPE(void *) pvInstanceDataRC;
364
365 /** Pointer the PDM Driver API. */
366 R0PTRTYPE(PCPDMDRVHLPR0) pHlpR0;
367 /** Pointer to driver instance data. */
368 R0PTRTYPE(void *) pvInstanceDataR0;
369
370 /** Pointer the PDM Driver API. */
371 R3PTRTYPE(PCPDMDRVHLPR3) pHlpR3;
372 /** Pointer to driver instance data. */
373 R3PTRTYPE(void *) pvInstanceDataR3;
374
375 /** Pointer to driver registration structure. */
376 R3PTRTYPE(PCPDMDRVREG) pReg;
377 /** Configuration handle. */
378 R3PTRTYPE(PCFGMNODE) pCfg;
379
380 /** Pointer to the base interface of the device/driver instance above. */
381 R3PTRTYPE(PPDMIBASE) pUpBase;
382 /** Pointer to the base interface of the driver instance below. */
383 R3PTRTYPE(PPDMIBASE) pDownBase;
384
385 /** The base interface of the driver.
386 * The driver constructor initializes this. */
387 PDMIBASE IBase;
388
389 /** Tracing indicator. */
390 uint32_t fTracing;
391 /** The tracing ID of this device. */
392 uint32_t idTracing;
393#if HC_ARCH_BITS == 32
394 /** Align the internal data more naturally. */
395 uint32_t au32Padding[HC_ARCH_BITS == 32 ? 7 : 0];
396#endif
397
398 /** Internal data. */
399 union
400 {
401#ifdef PDMDRVINSINT_DECLARED
402 PDMDRVINSINT s;
403#endif
404 uint8_t padding[HC_ARCH_BITS == 32 ? 40 + 32 : 72 + 24];
405 } Internal;
406
407 /** Driver instance data. The size of this area is defined
408 * in the PDMDRVREG::cbInstanceData field. */
409 char achInstanceData[4];
410} PDMDRVINS;
411
412/** Current DRVREG version number. */
413#define PDM_DRVINS_VERSION PDM_VERSION_MAKE(0xf0fe, 2, 0)
414
415/** Converts a pointer to the PDMDRVINS::IBase to a pointer to PDMDRVINS. */
416#define PDMIBASE_2_PDMDRV(pInterface) ( (PPDMDRVINS)((char *)(pInterface) - RT_UOFFSETOF(PDMDRVINS, IBase)) )
417
418/** @def PDMDRVINS_2_RCPTR
419 * Converts a PDM Driver instance pointer a RC PDM Driver instance pointer.
420 */
421#define PDMDRVINS_2_RCPTR(pDrvIns) ( (RCPTRTYPE(PPDMDRVINS))((RTRCUINTPTR)(pDrvIns)->pvInstanceDataRC - (RTRCUINTPTR)RT_UOFFSETOF(PDMDRVINS, achInstanceData)) )
422
423/** @def PDMDRVINS_2_R3PTR
424 * Converts a PDM Driver instance pointer a R3 PDM Driver instance pointer.
425 */
426#define PDMDRVINS_2_R3PTR(pDrvIns) ( (R3PTRTYPE(PPDMDRVINS))((RTHCUINTPTR)(pDrvIns)->pvInstanceDataR3 - RT_UOFFSETOF(PDMDRVINS, achInstanceData)) )
427
428/** @def PDMDRVINS_2_R0PTR
429 * Converts a PDM Driver instance pointer a R0 PDM Driver instance pointer.
430 */
431#define PDMDRVINS_2_R0PTR(pDrvIns) ( (R0PTRTYPE(PPDMDRVINS))((RTR0UINTPTR)(pDrvIns)->pvInstanceDataR0 - RT_UOFFSETOF(PDMDRVINS, achInstanceData)) )
432
433
434
435/**
436 * Checks the structure versions of the drive instance and driver helpers,
437 * returning if they are incompatible.
438 *
439 * Intended for the constructor.
440 *
441 * @param pDrvIns Pointer to the PDM driver instance.
442 */
443#define PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns) \
444 do \
445 { \
446 PPDMDRVINS pDrvInsTypeCheck = (pDrvIns); NOREF(pDrvInsTypeCheck); \
447 AssertLogRelMsgReturn(PDM_VERSION_ARE_COMPATIBLE((pDrvIns)->u32Version, PDM_DRVINS_VERSION), \
448 ("DrvIns=%#x mine=%#x\n", (pDrvIns)->u32Version, PDM_DRVINS_VERSION), \
449 VERR_PDM_DRVINS_VERSION_MISMATCH); \
450 AssertLogRelMsgReturn(PDM_VERSION_ARE_COMPATIBLE((pDrvIns)->pHlpR3->u32Version, PDM_DRVHLPR3_VERSION), \
451 ("DrvHlp=%#x mine=%#x\n", (pDrvIns)->pHlpR3->u32Version, PDM_DRVHLPR3_VERSION), \
452 VERR_PDM_DRVHLPR3_VERSION_MISMATCH); \
453 } while (0)
454
455/**
456 * Quietly checks the structure versions of the drive instance and driver
457 * helpers, returning if they are incompatible.
458 *
459 * Intended for the destructor.
460 *
461 * @param pDrvIns Pointer to the PDM driver instance.
462 */
463#define PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns) \
464 do \
465 { \
466 PPDMDRVINS pDrvInsTypeCheck = (pDrvIns); NOREF(pDrvInsTypeCheck); \
467 if (RT_LIKELY( PDM_VERSION_ARE_COMPATIBLE((pDrvIns)->u32Version, PDM_DRVINS_VERSION) \
468 && PDM_VERSION_ARE_COMPATIBLE((pDrvIns)->pHlpR3->u32Version, PDM_DRVHLPR3_VERSION)) ) \
469 { /* likely */ } else return; \
470 } while (0)
471
472/**
473 * Wrapper around CFGMR3ValidateConfig for the root config for use in the
474 * constructor - returns on failure.
475 *
476 * This should be invoked after having initialized the instance data
477 * sufficiently for the correct operation of the destructor. The destructor is
478 * always called!
479 *
480 * @param pDrvIns Pointer to the PDM driver instance.
481 * @param pszValidValues Patterns describing the valid value names. See
482 * RTStrSimplePatternMultiMatch for details on the
483 * pattern syntax.
484 * @param pszValidNodes Patterns describing the valid node (key) names.
485 * Pass empty string if no valid nodess.
486 */
487#define PDMDRV_VALIDATE_CONFIG_RETURN(pDrvIns, pszValidValues, pszValidNodes) \
488 do \
489 { \
490 int rcValCfg = CFGMR3ValidateConfig((pDrvIns)->pCfg, "/", pszValidValues, pszValidNodes, \
491 (pDrvIns)->pReg->szName, (pDrvIns)->iInstance); \
492 if (RT_SUCCESS(rcValCfg)) \
493 { /* likely */ } else return rcValCfg; \
494 } while (0)
495
496
497
498/**
499 * USB hub registration structure.
500 */
501typedef struct PDMUSBHUBREG
502{
503 /** Structure version number. PDM_USBHUBREG_VERSION defines the current version. */
504 uint32_t u32Version;
505
506 /**
507 * Request the hub to attach of the specified device.
508 *
509 * @returns VBox status code.
510 * @param pDrvIns The hub instance.
511 * @param pUsbIns The device to attach.
512 * @param pszCaptureFilename Path to the file for USB traffic capturing, optional.
513 * @param piPort Where to store the port number the device was attached to.
514 * @thread EMT.
515 */
516 DECLR3CALLBACKMEMBER(int, pfnAttachDevice,(PPDMDRVINS pDrvIns, PPDMUSBINS pUsbIns, const char *pszCaptureFilename, uint32_t *piPort));
517
518 /**
519 * Request the hub to detach of the specified device.
520 *
521 * The device has previously been attached to the hub with the
522 * pfnAttachDevice call. This call is not currently expected to
523 * fail.
524 *
525 * @returns VBox status code.
526 * @param pDrvIns The hub instance.
527 * @param pUsbIns The device to detach.
528 * @param iPort The port number returned by the attach call.
529 * @thread EMT.
530 */
531 DECLR3CALLBACKMEMBER(int, pfnDetachDevice,(PPDMDRVINS pDrvIns, PPDMUSBINS pUsbIns, uint32_t iPort));
532
533 /** Counterpart to u32Version, same value. */
534 uint32_t u32TheEnd;
535} PDMUSBHUBREG;
536/** Pointer to a const USB hub registration structure. */
537typedef const PDMUSBHUBREG *PCPDMUSBHUBREG;
538
539/** Current PDMUSBHUBREG version number. */
540#define PDM_USBHUBREG_VERSION PDM_VERSION_MAKE(0xf0fd, 2, 0)
541
542
543/**
544 * USB hub helpers.
545 * This is currently just a place holder.
546 */
547typedef struct PDMUSBHUBHLP
548{
549 /** Structure version. PDM_USBHUBHLP_VERSION defines the current version. */
550 uint32_t u32Version;
551
552 /** Just a safety precaution. */
553 uint32_t u32TheEnd;
554} PDMUSBHUBHLP;
555/** Pointer to PCI helpers. */
556typedef PDMUSBHUBHLP *PPDMUSBHUBHLP;
557/** Pointer to const PCI helpers. */
558typedef const PDMUSBHUBHLP *PCPDMUSBHUBHLP;
559/** Pointer to const PCI helpers pointer. */
560typedef PCPDMUSBHUBHLP *PPCPDMUSBHUBHLP;
561
562/** Current PDMUSBHUBHLP version number. */
563#define PDM_USBHUBHLP_VERSION PDM_VERSION_MAKE(0xf0fc, 1, 0)
564
565
566/**
567 * PDM Driver API - raw-mode context variant.
568 */
569typedef struct PDMDRVHLPRC
570{
571 /** Structure version. PDM_DRVHLPRC_VERSION defines the current version. */
572 uint32_t u32Version;
573
574 /**
575 * Set the VM error message
576 *
577 * @returns rc.
578 * @param pDrvIns Driver instance.
579 * @param rc VBox status code.
580 * @param SRC_POS Use RT_SRC_POS.
581 * @param pszFormat Error message format string.
582 * @param ... Error message arguments.
583 */
584 DECLRCCALLBACKMEMBER(int, pfnVMSetError,(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL,
585 const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(6, 7));
586
587 /**
588 * Set the VM error message
589 *
590 * @returns rc.
591 * @param pDrvIns Driver instance.
592 * @param rc VBox status code.
593 * @param SRC_POS Use RT_SRC_POS.
594 * @param pszFormat Error message format string.
595 * @param va Error message arguments.
596 */
597 DECLRCCALLBACKMEMBER(int, pfnVMSetErrorV,(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL,
598 const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(6, 0));
599
600 /**
601 * Set the VM runtime error message
602 *
603 * @returns VBox status code.
604 * @param pDrvIns Driver instance.
605 * @param fFlags The action flags. See VMSETRTERR_FLAGS_*.
606 * @param pszErrorId Error ID string.
607 * @param pszFormat Error message format string.
608 * @param ... Error message arguments.
609 */
610 DECLRCCALLBACKMEMBER(int, pfnVMSetRuntimeError,(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId,
611 const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(4, 5));
612
613 /**
614 * Set the VM runtime error message
615 *
616 * @returns VBox status code.
617 * @param pDrvIns Driver instance.
618 * @param fFlags The action flags. See VMSETRTERR_FLAGS_*.
619 * @param pszErrorId Error ID string.
620 * @param pszFormat Error message format string.
621 * @param va Error message arguments.
622 */
623 DECLRCCALLBACKMEMBER(int, pfnVMSetRuntimeErrorV,(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId,
624 const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(4, 0));
625
626 /**
627 * Assert that the current thread is the emulation thread.
628 *
629 * @returns True if correct.
630 * @returns False if wrong.
631 * @param pDrvIns Driver instance.
632 * @param pszFile Filename of the assertion location.
633 * @param iLine Linenumber of the assertion location.
634 * @param pszFunction Function of the assertion location.
635 */
636 DECLRCCALLBACKMEMBER(bool, pfnAssertEMT,(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction));
637
638 /**
639 * Assert that the current thread is NOT the emulation thread.
640 *
641 * @returns True if correct.
642 * @returns False if wrong.
643 * @param pDrvIns Driver instance.
644 * @param pszFile Filename of the assertion location.
645 * @param iLine Linenumber of the assertion location.
646 * @param pszFunction Function of the assertion location.
647 */
648 DECLRCCALLBACKMEMBER(bool, pfnAssertOther,(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction));
649
650 /**
651 * Notify FTM about a checkpoint occurrence
652 *
653 * @param pDrvIns The driver instance.
654 * @param enmType Checkpoint type
655 * @thread Any
656 */
657 DECLRCCALLBACKMEMBER(int, pfnFTSetCheckpoint,(PPDMDRVINS pDrvIns, FTMCHECKPOINTTYPE enmType));
658
659 /** Just a safety precaution. */
660 uint32_t u32TheEnd;
661} PDMDRVHLPRC;
662/** Current PDMDRVHLPRC version number. */
663#define PDM_DRVHLPRC_VERSION PDM_VERSION_MAKE(0xf0f9, 2, 0)
664
665
666/**
667 * PDM Driver API, ring-0 context.
668 */
669typedef struct PDMDRVHLPR0
670{
671 /** Structure version. PDM_DRVHLPR0_VERSION defines the current version. */
672 uint32_t u32Version;
673
674 /**
675 * Set the VM error message
676 *
677 * @returns rc.
678 * @param pDrvIns Driver instance.
679 * @param rc VBox status code.
680 * @param SRC_POS Use RT_SRC_POS.
681 * @param pszFormat Error message format string.
682 * @param ... Error message arguments.
683 */
684 DECLR0CALLBACKMEMBER(int, pfnVMSetError,(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL,
685 const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(6, 7));
686
687 /**
688 * Set the VM error message
689 *
690 * @returns rc.
691 * @param pDrvIns Driver instance.
692 * @param rc VBox status code.
693 * @param SRC_POS Use RT_SRC_POS.
694 * @param pszFormat Error message format string.
695 * @param va Error message arguments.
696 */
697 DECLR0CALLBACKMEMBER(int, pfnVMSetErrorV,(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL,
698 const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(6, 0));
699
700 /**
701 * Set the VM runtime error message
702 *
703 * @returns VBox status code.
704 * @param pDrvIns Driver instance.
705 * @param fFlags The action flags. See VMSETRTERR_FLAGS_*.
706 * @param pszErrorId Error ID string.
707 * @param pszFormat Error message format string.
708 * @param ... Error message arguments.
709 */
710 DECLR0CALLBACKMEMBER(int, pfnVMSetRuntimeError,(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId,
711 const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(4, 5));
712
713 /**
714 * Set the VM runtime error message
715 *
716 * @returns VBox status code.
717 * @param pDrvIns Driver instance.
718 * @param fFlags The action flags. See VMSETRTERR_FLAGS_*.
719 * @param pszErrorId Error ID string.
720 * @param pszFormat Error message format string.
721 * @param va Error message arguments.
722 */
723 DECLR0CALLBACKMEMBER(int, pfnVMSetRuntimeErrorV,(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId,
724 const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(4, 0));
725
726 /**
727 * Assert that the current thread is the emulation thread.
728 *
729 * @returns True if correct.
730 * @returns False if wrong.
731 * @param pDrvIns Driver instance.
732 * @param pszFile Filename of the assertion location.
733 * @param iLine Linenumber of the assertion location.
734 * @param pszFunction Function of the assertion location.
735 */
736 DECLR0CALLBACKMEMBER(bool, pfnAssertEMT,(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction));
737
738 /**
739 * Assert that the current thread is NOT the emulation thread.
740 *
741 * @returns True if correct.
742 * @returns False if wrong.
743 * @param pDrvIns Driver instance.
744 * @param pszFile Filename of the assertion location.
745 * @param iLine Linenumber of the assertion location.
746 * @param pszFunction Function of the assertion location.
747 */
748 DECLR0CALLBACKMEMBER(bool, pfnAssertOther,(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction));
749
750 /**
751 * Notify FTM about a checkpoint occurrence
752 *
753 * @param pDrvIns The driver instance.
754 * @param enmType Checkpoint type
755 * @thread Any
756 */
757 DECLR0CALLBACKMEMBER(int, pfnFTSetCheckpoint,(PPDMDRVINS pDrvIns, FTMCHECKPOINTTYPE enmType));
758
759 /** Just a safety precaution. */
760 uint32_t u32TheEnd;
761} PDMDRVHLPR0;
762/** Current DRVHLP version number. */
763#define PDM_DRVHLPR0_VERSION PDM_VERSION_MAKE(0xf0f8, 2, 0)
764
765
766#ifdef IN_RING3
767
768/**
769 * PDM Driver API.
770 */
771typedef struct PDMDRVHLPR3
772{
773 /** Structure version. PDM_DRVHLPR3_VERSION defines the current version. */
774 uint32_t u32Version;
775
776 /**
777 * Attaches a driver (chain) to the driver.
778 *
779 * @returns VBox status code.
780 * @param pDrvIns Driver instance.
781 * @param fFlags PDM_TACH_FLAGS_NOT_HOT_PLUG or 0.
782 * @param ppBaseInterface Where to store the pointer to the base interface.
783 */
784 DECLR3CALLBACKMEMBER(int, pfnAttach,(PPDMDRVINS pDrvIns, uint32_t fFlags, PPDMIBASE *ppBaseInterface));
785
786 /**
787 * Detach the driver the drivers below us.
788 *
789 * @returns VBox status code.
790 * @param pDrvIns Driver instance.
791 * @param fFlags PDM_TACH_FLAGS_NOT_HOT_PLUG or 0.
792 */
793 DECLR3CALLBACKMEMBER(int, pfnDetach,(PPDMDRVINS pDrvIns, uint32_t fFlags));
794
795 /**
796 * Detach the driver from the driver above it and destroy this
797 * driver and all drivers below it.
798 *
799 * @returns VBox status code.
800 * @param pDrvIns Driver instance.
801 * @param fFlags PDM_TACH_FLAGS_NOT_HOT_PLUG or 0.
802 */
803 DECLR3CALLBACKMEMBER(int, pfnDetachSelf,(PPDMDRVINS pDrvIns, uint32_t fFlags));
804
805 /**
806 * Prepare a media mount.
807 *
808 * The driver must not have anything attached to itself
809 * when calling this function as the purpose is to set up the configuration
810 * of an future attachment.
811 *
812 * @returns VBox status code
813 * @param pDrvIns Driver instance.
814 * @param pszFilename Pointer to filename. If this is NULL it assumed that the caller have
815 * constructed a configuration which can be attached to the bottom driver.
816 * @param pszCoreDriver Core driver name. NULL will cause autodetection. Ignored if pszFilanem is NULL.
817 */
818 DECLR3CALLBACKMEMBER(int, pfnMountPrepare,(PPDMDRVINS pDrvIns, const char *pszFilename, const char *pszCoreDriver));
819
820 /**
821 * Assert that the current thread is the emulation thread.
822 *
823 * @returns True if correct.
824 * @returns False if wrong.
825 * @param pDrvIns Driver instance.
826 * @param pszFile Filename of the assertion location.
827 * @param iLine Linenumber of the assertion location.
828 * @param pszFunction Function of the assertion location.
829 */
830 DECLR3CALLBACKMEMBER(bool, pfnAssertEMT,(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction));
831
832 /**
833 * Assert that the current thread is NOT the emulation thread.
834 *
835 * @returns True if correct.
836 * @returns False if wrong.
837 * @param pDrvIns Driver instance.
838 * @param pszFile Filename of the assertion location.
839 * @param iLine Linenumber of the assertion location.
840 * @param pszFunction Function of the assertion location.
841 */
842 DECLR3CALLBACKMEMBER(bool, pfnAssertOther,(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction));
843
844 /**
845 * Set the VM error message
846 *
847 * @returns rc.
848 * @param pDrvIns Driver instance.
849 * @param rc VBox status code.
850 * @param SRC_POS Use RT_SRC_POS.
851 * @param pszFormat Error message format string.
852 * @param ... Error message arguments.
853 */
854 DECLR3CALLBACKMEMBER(int, pfnVMSetError,(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL,
855 const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(6, 7));
856
857 /**
858 * Set the VM error message
859 *
860 * @returns rc.
861 * @param pDrvIns Driver instance.
862 * @param rc VBox status code.
863 * @param SRC_POS Use RT_SRC_POS.
864 * @param pszFormat Error message format string.
865 * @param va Error message arguments.
866 */
867 DECLR3CALLBACKMEMBER(int, pfnVMSetErrorV,(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL,
868 const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(6, 0));
869
870 /**
871 * Set the VM runtime error message
872 *
873 * @returns VBox status code.
874 * @param pDrvIns Driver instance.
875 * @param fFlags The action flags. See VMSETRTERR_FLAGS_*.
876 * @param pszErrorId Error ID string.
877 * @param pszFormat Error message format string.
878 * @param ... Error message arguments.
879 */
880 DECLR3CALLBACKMEMBER(int, pfnVMSetRuntimeError,(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId,
881 const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(4, 5));
882
883 /**
884 * Set the VM runtime error message
885 *
886 * @returns VBox status code.
887 * @param pDrvIns Driver instance.
888 * @param fFlags The action flags. See VMSETRTERR_FLAGS_*.
889 * @param pszErrorId Error ID string.
890 * @param pszFormat Error message format string.
891 * @param va Error message arguments.
892 */
893 DECLR3CALLBACKMEMBER(int, pfnVMSetRuntimeErrorV,(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId,
894 const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(4, 0));
895
896 /**
897 * Gets the VM state.
898 *
899 * @returns VM state.
900 * @param pDrvIns The driver instance.
901 * @thread Any thread (just keep in mind that it's volatile info).
902 */
903 DECLR3CALLBACKMEMBER(VMSTATE, pfnVMState, (PPDMDRVINS pDrvIns));
904
905 /**
906 * Checks if the VM was teleported and hasn't been fully resumed yet.
907 *
908 * @returns true / false.
909 * @param pDrvIns The driver instance.
910 * @thread Any thread.
911 */
912 DECLR3CALLBACKMEMBER(bool, pfnVMTeleportedAndNotFullyResumedYet,(PPDMDRVINS pDrvIns));
913
914 /**
915 * Gets the support driver session.
916 *
917 * This is intended for working using the semaphore API.
918 *
919 * @returns Support driver session handle.
920 * @param pDrvIns The driver instance.
921 */
922 DECLR3CALLBACKMEMBER(PSUPDRVSESSION, pfnGetSupDrvSession,(PPDMDRVINS pDrvIns));
923
924 /**
925 * Create a queue.
926 *
927 * @returns VBox status code.
928 * @param pDrvIns Driver instance.
929 * @param cbItem Size a queue item.
930 * @param cItems Number of items in the queue.
931 * @param cMilliesInterval Number of milliseconds between polling the queue.
932 * If 0 then the emulation thread will be notified whenever an item arrives.
933 * @param pfnCallback The consumer function.
934 * @param pszName The queue base name. The instance number will be
935 * appended automatically.
936 * @param ppQueue Where to store the queue handle on success.
937 * @thread The emulation thread.
938 */
939 DECLR3CALLBACKMEMBER(int, pfnQueueCreate,(PPDMDRVINS pDrvIns, uint32_t cbItem, uint32_t cItems, uint32_t cMilliesInterval,
940 PFNPDMQUEUEDRV pfnCallback, const char *pszName, PPDMQUEUE *ppQueue));
941
942 /**
943 * Query the virtual timer frequency.
944 *
945 * @returns Frequency in Hz.
946 * @param pDrvIns Driver instance.
947 * @thread Any thread.
948 */
949 DECLR3CALLBACKMEMBER(uint64_t, pfnTMGetVirtualFreq,(PPDMDRVINS pDrvIns));
950
951 /**
952 * Query the virtual time.
953 *
954 * @returns The current virtual time.
955 * @param pDrvIns Driver instance.
956 * @thread Any thread.
957 */
958 DECLR3CALLBACKMEMBER(uint64_t, pfnTMGetVirtualTime,(PPDMDRVINS pDrvIns));
959
960 /**
961 * Creates a timer.
962 *
963 * @returns VBox status.
964 * @param pDrvIns Driver instance.
965 * @param enmClock The clock to use on this timer.
966 * @param pfnCallback Callback function.
967 * @param pvUser The user argument to the callback.
968 * @param fFlags Timer creation flags, see grp_tm_timer_flags.
969 * @param pszDesc Pointer to description string which must stay around
970 * until the timer is fully destroyed (i.e. a bit after TMTimerDestroy()).
971 * @param ppTimer Where to store the timer on success.
972 * @thread EMT
973 */
974 DECLR3CALLBACKMEMBER(int, pfnTMTimerCreate,(PPDMDRVINS pDrvIns, TMCLOCK enmClock, PFNTMTIMERDRV pfnCallback, void *pvUser, uint32_t fFlags, const char *pszDesc, PPTMTIMERR3 ppTimer));
975
976 /**
977 * Register a save state data unit.
978 *
979 * @returns VBox status.
980 * @param pDrvIns Driver instance.
981 * @param uVersion Data layout version number.
982 * @param cbGuess The approximate amount of data in the unit.
983 * Only for progress indicators.
984 *
985 * @param pfnLivePrep Prepare live save callback, optional.
986 * @param pfnLiveExec Execute live save callback, optional.
987 * @param pfnLiveVote Vote live save callback, optional.
988 *
989 * @param pfnSavePrep Prepare save callback, optional.
990 * @param pfnSaveExec Execute save callback, optional.
991 * @param pfnSaveDone Done save callback, optional.
992 *
993 * @param pfnLoadPrep Prepare load callback, optional.
994 * @param pfnLoadExec Execute load callback, optional.
995 * @param pfnLoadDone Done load callback, optional.
996 */
997 DECLR3CALLBACKMEMBER(int, pfnSSMRegister,(PPDMDRVINS pDrvIns, uint32_t uVersion, size_t cbGuess,
998 PFNSSMDRVLIVEPREP pfnLivePrep, PFNSSMDRVLIVEEXEC pfnLiveExec, PFNSSMDRVLIVEVOTE pfnLiveVote,
999 PFNSSMDRVSAVEPREP pfnSavePrep, PFNSSMDRVSAVEEXEC pfnSaveExec, PFNSSMDRVSAVEDONE pfnSaveDone,
1000 PFNSSMDRVLOADPREP pfnLoadPrep, PFNSSMDRVLOADEXEC pfnLoadExec, PFNSSMDRVLOADDONE pfnLoadDone));
1001
1002 /**
1003 * Deregister a save state data unit.
1004 *
1005 * @returns VBox status.
1006 * @param pDrvIns Driver instance.
1007 * @param pszName Data unit name.
1008 * @param uInstance The instance identifier of the data unit.
1009 * This must together with the name be unique.
1010 */
1011 DECLR3CALLBACKMEMBER(int, pfnSSMDeregister,(PPDMDRVINS pDrvIns, const char *pszName, uint32_t uInstance));
1012
1013 /**
1014 * Register an info handler with DBGF.
1015 *
1016 * @returns VBox status code.
1017 * @param pDrvIns Driver instance.
1018 * @param pszName Data unit name.
1019 * @param pszDesc The description of the info and any arguments
1020 * the handler may take.
1021 * @param pfnHandler The handler function to be called to display the
1022 * info.
1023 */
1024 DECLR3CALLBACKMEMBER(int, pfnDBGFInfoRegister,(PPDMDRVINS pDrvIns, const char *pszName, const char *pszDesc, PFNDBGFHANDLERDRV pfnHandler));
1025
1026 /**
1027 * Deregister an info handler from DBGF.
1028 *
1029 * @returns VBox status code.
1030 * @param pDrvIns Driver instance.
1031 * @param pszName Data unit name.
1032 */
1033 DECLR3CALLBACKMEMBER(int, pfnDBGFInfoDeregister,(PPDMDRVINS pDrvIns, const char *pszName));
1034
1035 /**
1036 * Registers a statistics sample if statistics are enabled.
1037 *
1038 * @param pDrvIns Driver instance.
1039 * @param pvSample Pointer to the sample.
1040 * @param enmType Sample type. This indicates what pvSample is pointing at.
1041 * @param pszName Sample name. The name is on this form "/<component>/<sample>".
1042 * Further nesting is possible.
1043 * @param enmUnit Sample unit.
1044 * @param pszDesc Sample description.
1045 */
1046 DECLR3CALLBACKMEMBER(void, pfnSTAMRegister,(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, const char *pszName,
1047 STAMUNIT enmUnit, const char *pszDesc));
1048
1049 /**
1050 * Same as pfnSTAMRegister except that the name is specified in a
1051 * RTStrPrintf like fashion.
1052 *
1053 * @param pDrvIns Driver instance.
1054 * @param pvSample Pointer to the sample.
1055 * @param enmType Sample type. This indicates what pvSample is pointing at.
1056 * @param enmVisibility Visibility type specifying whether unused statistics should be visible or not.
1057 * @param enmUnit Sample unit.
1058 * @param pszDesc Sample description.
1059 * @param pszName The sample name format string.
1060 * @param ... Arguments to the format string.
1061 */
1062 DECLR3CALLBACKMEMBER(void, pfnSTAMRegisterF,(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
1063 STAMUNIT enmUnit, const char *pszDesc,
1064 const char *pszName, ...) RT_IPRT_FORMAT_ATTR(7, 8));
1065
1066 /**
1067 * Same as pfnSTAMRegister except that the name is specified in a
1068 * RTStrPrintfV like fashion.
1069 *
1070 * @param pDrvIns Driver instance.
1071 * @param pvSample Pointer to the sample.
1072 * @param enmType Sample type. This indicates what pvSample is pointing at.
1073 * @param enmVisibility Visibility type specifying whether unused statistics should be visible or not.
1074 * @param enmUnit Sample unit.
1075 * @param pszDesc Sample description.
1076 * @param pszName The sample name format string.
1077 * @param args Arguments to the format string.
1078 */
1079 DECLR3CALLBACKMEMBER(void, pfnSTAMRegisterV,(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
1080 STAMUNIT enmUnit, const char *pszDesc,
1081 const char *pszName, va_list args) RT_IPRT_FORMAT_ATTR(7, 0));
1082
1083 /**
1084 * Deregister a statistic item previously registered with pfnSTAMRegister,
1085 * pfnSTAMRegisterF or pfnSTAMRegisterV
1086 *
1087 * @returns VBox status.
1088 * @param pDrvIns Driver instance.
1089 * @param pvSample Pointer to the sample.
1090 */
1091 DECLR3CALLBACKMEMBER(int, pfnSTAMDeregister,(PPDMDRVINS pDrvIns, void *pvSample));
1092
1093 /**
1094 * Calls the HC R0 VMM entry point, in a safer but slower manner than
1095 * SUPR3CallVMMR0.
1096 *
1097 * When entering using this call the R0 components can call into the host kernel
1098 * (i.e. use the SUPR0 and RT APIs).
1099 *
1100 * See VMMR0Entry() for more details.
1101 *
1102 * @returns error code specific to uFunction.
1103 * @param pDrvIns The driver instance.
1104 * @param uOperation Operation to execute.
1105 * This is limited to services.
1106 * @param pvArg Pointer to argument structure or if cbArg is 0 just an value.
1107 * @param cbArg The size of the argument. This is used to copy whatever the argument
1108 * points at into a kernel buffer to avoid problems like the user page
1109 * being invalidated while we're executing the call.
1110 */
1111 DECLR3CALLBACKMEMBER(int, pfnSUPCallVMMR0Ex,(PPDMDRVINS pDrvIns, unsigned uOperation, void *pvArg, unsigned cbArg));
1112
1113 /**
1114 * Registers a USB HUB.
1115 *
1116 * @returns VBox status code.
1117 * @param pDrvIns The driver instance.
1118 * @param fVersions Indicates the kinds of USB devices that can be attached to this HUB.
1119 * @param cPorts The number of ports.
1120 * @param pUsbHubReg The hub callback structure that PDMUsb uses to interact with it.
1121 * @param ppUsbHubHlp The helper callback structure that the hub uses to talk to PDMUsb.
1122 *
1123 * @thread EMT.
1124 */
1125 DECLR3CALLBACKMEMBER(int, pfnUSBRegisterHub,(PPDMDRVINS pDrvIns, uint32_t fVersions, uint32_t cPorts, PCPDMUSBHUBREG pUsbHubReg, PPCPDMUSBHUBHLP ppUsbHubHlp));
1126
1127 /**
1128 * Set up asynchronous handling of a suspend, reset or power off notification.
1129 *
1130 * This shall only be called when getting the notification. It must be called
1131 * for each one.
1132 *
1133 * @returns VBox status code.
1134 * @param pDrvIns The driver instance.
1135 * @param pfnAsyncNotify The callback.
1136 * @thread EMT(0)
1137 */
1138 DECLR3CALLBACKMEMBER(int, pfnSetAsyncNotification, (PPDMDRVINS pDrvIns, PFNPDMDRVASYNCNOTIFY pfnAsyncNotify));
1139
1140 /**
1141 * Notify EMT(0) that the driver has completed the asynchronous notification
1142 * handling.
1143 *
1144 * This can be called at any time, spurious calls will simply be ignored.
1145 *
1146 * @param pDrvIns The driver instance.
1147 * @thread Any
1148 */
1149 DECLR3CALLBACKMEMBER(void, pfnAsyncNotificationCompleted, (PPDMDRVINS pDrvIns));
1150
1151 /**
1152 * Creates a PDM thread.
1153 *
1154 * This differs from the RTThreadCreate() API in that PDM takes care of suspending,
1155 * resuming, and destroying the thread as the VM state changes.
1156 *
1157 * @returns VBox status code.
1158 * @param pDrvIns The driver instance.
1159 * @param ppThread Where to store the thread 'handle'.
1160 * @param pvUser The user argument to the thread function.
1161 * @param pfnThread The thread function.
1162 * @param pfnWakeup The wakup callback. This is called on the EMT thread when
1163 * a state change is pending.
1164 * @param cbStack See RTThreadCreate.
1165 * @param enmType See RTThreadCreate.
1166 * @param pszName See RTThreadCreate.
1167 */
1168 DECLR3CALLBACKMEMBER(int, pfnThreadCreate,(PPDMDRVINS pDrvIns, PPPDMTHREAD ppThread, void *pvUser, PFNPDMTHREADDRV pfnThread,
1169 PFNPDMTHREADWAKEUPDRV pfnWakeup, size_t cbStack, RTTHREADTYPE enmType, const char *pszName));
1170
1171 /**
1172 * Creates an async completion template for a driver instance.
1173 *
1174 * The template is used when creating new completion tasks.
1175 *
1176 * @returns VBox status code.
1177 * @param pDrvIns The driver instance.
1178 * @param ppTemplate Where to store the template pointer on success.
1179 * @param pfnCompleted The completion callback routine.
1180 * @param pvTemplateUser Template user argument.
1181 * @param pszDesc Description.
1182 */
1183 DECLR3CALLBACKMEMBER(int, pfnAsyncCompletionTemplateCreate,(PPDMDRVINS pDrvIns, PPPDMASYNCCOMPLETIONTEMPLATE ppTemplate,
1184 PFNPDMASYNCCOMPLETEDRV pfnCompleted, void *pvTemplateUser,
1185 const char *pszDesc));
1186
1187 /**
1188 * Attaches network filter driver to a bandwidth group.
1189 *
1190 * @returns VBox status code.
1191 * @param pDrvIns The driver instance.
1192 * @param pcszBwGroup Name of the bandwidth group to attach to.
1193 * @param pFilter Pointer to the filter we attach.
1194 */
1195 DECLR3CALLBACKMEMBER(int, pfnNetShaperAttach,(PPDMDRVINS pDrvIns, const char *pszBwGroup, PPDMNSFILTER pFilter));
1196
1197 /**
1198 * Detaches network filter driver to a bandwidth group.
1199 *
1200 * @returns VBox status code.
1201 * @param pDrvIns The driver instance.
1202 * @param pFilter Pointer to the filter we attach.
1203 */
1204 DECLR3CALLBACKMEMBER(int, pfnNetShaperDetach,(PPDMDRVINS pDrvIns, PPDMNSFILTER pFilter));
1205
1206 /**
1207 * Resolves the symbol for a raw-mode context interface.
1208 *
1209 * @returns VBox status code.
1210 * @param pDrvIns The driver instance.
1211 * @param pvInterface The interface structure.
1212 * @param cbInterface The size of the interface structure.
1213 * @param pszSymPrefix What to prefix the symbols in the list with before
1214 * resolving them. This must start with 'drv' and
1215 * contain the driver name.
1216 * @param pszSymList List of symbols corresponding to the interface.
1217 * There is generally a there is generally a define
1218 * holding this list associated with the interface
1219 * definition (INTERFACE_SYM_LIST). For more details
1220 * see PDMR3LdrGetInterfaceSymbols.
1221 * @thread EMT
1222 */
1223 DECLR3CALLBACKMEMBER(int, pfnLdrGetRCInterfaceSymbols,(PPDMDRVINS pDrvIns, void *pvInterface, size_t cbInterface,
1224 const char *pszSymPrefix, const char *pszSymList));
1225
1226 /**
1227 * Resolves the symbol for a ring-0 context interface.
1228 *
1229 * @returns VBox status code.
1230 * @param pDrvIns The driver instance.
1231 * @param pvInterface The interface structure.
1232 * @param cbInterface The size of the interface structure.
1233 * @param pszSymPrefix What to prefix the symbols in the list with before
1234 * resolving them. This must start with 'drv' and
1235 * contain the driver name.
1236 * @param pszSymList List of symbols corresponding to the interface.
1237 * There is generally a there is generally a define
1238 * holding this list associated with the interface
1239 * definition (INTERFACE_SYM_LIST). For more details
1240 * see PDMR3LdrGetInterfaceSymbols.
1241 * @thread EMT
1242 */
1243 DECLR3CALLBACKMEMBER(int, pfnLdrGetR0InterfaceSymbols,(PPDMDRVINS pDrvIns, void *pvInterface, size_t cbInterface,
1244 const char *pszSymPrefix, const char *pszSymList));
1245 /**
1246 * Initializes a PDM critical section.
1247 *
1248 * The PDM critical sections are derived from the IPRT critical sections, but
1249 * works in both RC and R0 as well as R3.
1250 *
1251 * @returns VBox status code.
1252 * @param pDrvIns The driver instance.
1253 * @param pCritSect Pointer to the critical section.
1254 * @param SRC_POS Use RT_SRC_POS.
1255 * @param pszName The base name of the critical section. Will be
1256 * mangeled with the instance number. For
1257 * statistics and lock validation.
1258 * @thread EMT
1259 */
1260 DECLR3CALLBACKMEMBER(int, pfnCritSectInit,(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, RT_SRC_POS_DECL, const char *pszName));
1261
1262 /**
1263 * Call the ring-0 request handler routine of the driver.
1264 *
1265 * For this to work, the driver must be ring-0 enabled and export a request
1266 * handler function. The name of the function must be the driver name in the
1267 * PDMDRVREG struct prefixed with 'drvR0' and suffixed with 'ReqHandler'.
1268 * The driver name will be capitalized. It shall take the exact same
1269 * arguments as this function and be declared using PDMBOTHCBDECL. See
1270 * FNPDMDRVREQHANDLERR0.
1271 *
1272 * @returns VBox status code.
1273 * @retval VERR_SYMBOL_NOT_FOUND if the driver doesn't export the required
1274 * handler function.
1275 * @retval VERR_ACCESS_DENIED if the driver isn't ring-0 capable.
1276 *
1277 * @param pDrvIns The driver instance.
1278 * @param uOperation The operation to perform.
1279 * @param u64Arg 64-bit integer argument.
1280 * @thread Any
1281 */
1282 DECLR3CALLBACKMEMBER(int, pfnCallR0,(PPDMDRVINS pDrvIns, uint32_t uOperation, uint64_t u64Arg));
1283
1284 /**
1285 * Notify FTM about a checkpoint occurrence
1286 *
1287 * @param pDrvIns The driver instance.
1288 * @param enmType Checkpoint type
1289 * @thread Any
1290 */
1291 DECLR3CALLBACKMEMBER(int, pfnFTSetCheckpoint,(PPDMDRVINS pDrvIns, FTMCHECKPOINTTYPE enmType));
1292
1293 /**
1294 * Creates a block cache for a driver driver instance.
1295 *
1296 * @returns VBox status code.
1297 * @param pDrvIns The driver instance.
1298 * @param ppBlkCache Where to store the handle to the block cache.
1299 * @param pfnXferComplete The I/O transfer complete callback.
1300 * @param pfnXferEnqueue The I/O request enqueue callback.
1301 * @param pfnXferEnqueueDiscard The discard request enqueue callback.
1302 * @param pcszId Unique ID used to identify the user.
1303 */
1304 DECLR3CALLBACKMEMBER(int, pfnBlkCacheRetain, (PPDMDRVINS pDrvIns, PPPDMBLKCACHE ppBlkCache,
1305 PFNPDMBLKCACHEXFERCOMPLETEDRV pfnXferComplete,
1306 PFNPDMBLKCACHEXFERENQUEUEDRV pfnXferEnqueue,
1307 PFNPDMBLKCACHEXFERENQUEUEDISCARDDRV pfnXferEnqueueDiscard,
1308 const char *pcszId));
1309 /**
1310 * Gets the reason for the most recent VM suspend.
1311 *
1312 * @returns The suspend reason. VMSUSPENDREASON_INVALID is returned if no
1313 * suspend has been made or if the pDrvIns is invalid.
1314 * @param pDrvIns The driver instance.
1315 */
1316 DECLR3CALLBACKMEMBER(VMSUSPENDREASON, pfnVMGetSuspendReason,(PPDMDRVINS pDrvIns));
1317
1318 /**
1319 * Gets the reason for the most recent VM resume.
1320 *
1321 * @returns The resume reason. VMRESUMEREASON_INVALID is returned if no
1322 * resume has been made or if the pDrvIns is invalid.
1323 * @param pDrvIns The driver instance.
1324 */
1325 DECLR3CALLBACKMEMBER(VMRESUMEREASON, pfnVMGetResumeReason,(PPDMDRVINS pDrvIns));
1326
1327 /** @name Space reserved for minor interface changes.
1328 * @{ */
1329 DECLR3CALLBACKMEMBER(void, pfnReserved0,(PPDMDRVINS pDrvIns));
1330 DECLR3CALLBACKMEMBER(void, pfnReserved1,(PPDMDRVINS pDrvIns));
1331 DECLR3CALLBACKMEMBER(void, pfnReserved2,(PPDMDRVINS pDrvIns));
1332 DECLR3CALLBACKMEMBER(void, pfnReserved3,(PPDMDRVINS pDrvIns));
1333 DECLR3CALLBACKMEMBER(void, pfnReserved4,(PPDMDRVINS pDrvIns));
1334 DECLR3CALLBACKMEMBER(void, pfnReserved5,(PPDMDRVINS pDrvIns));
1335 DECLR3CALLBACKMEMBER(void, pfnReserved6,(PPDMDRVINS pDrvIns));
1336 DECLR3CALLBACKMEMBER(void, pfnReserved7,(PPDMDRVINS pDrvIns));
1337 DECLR3CALLBACKMEMBER(void, pfnReserved8,(PPDMDRVINS pDrvIns));
1338 DECLR3CALLBACKMEMBER(void, pfnReserved9,(PPDMDRVINS pDrvIns));
1339 /** @} */
1340
1341 /** Just a safety precaution. */
1342 uint32_t u32TheEnd;
1343} PDMDRVHLPR3;
1344/** Current DRVHLP version number. */
1345#define PDM_DRVHLPR3_VERSION PDM_VERSION_MAKE(0xf0fb, 3, 0)
1346
1347#endif /* IN_RING3 */
1348
1349
1350/**
1351 * @copydoc PDMDRVHLPR3::pfnVMSetError
1352 */
1353DECLINLINE(int) RT_IPRT_FORMAT_ATTR(6, 7) PDMDrvHlpVMSetError(PPDMDRVINS pDrvIns, const int rc, RT_SRC_POS_DECL,
1354 const char *pszFormat, ...)
1355{
1356 va_list va;
1357 va_start(va, pszFormat);
1358 pDrvIns->CTX_SUFF(pHlp)->pfnVMSetErrorV(pDrvIns, rc, RT_SRC_POS_ARGS, pszFormat, va);
1359 va_end(va);
1360 return rc;
1361}
1362
1363/** @def PDMDRV_SET_ERROR
1364 * Set the VM error. See PDMDrvHlpVMSetError() for printf like message formatting.
1365 */
1366#define PDMDRV_SET_ERROR(pDrvIns, rc, pszError) \
1367 PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS, "%s", pszError)
1368
1369/**
1370 * @copydoc PDMDRVHLPR3::pfnVMSetErrorV
1371 */
1372DECLINLINE(int) RT_IPRT_FORMAT_ATTR(6, 0) PDMDrvHlpVMSetErrorV(PPDMDRVINS pDrvIns, const int rc, RT_SRC_POS_DECL,
1373 const char *pszFormat, va_list va)
1374{
1375 return pDrvIns->CTX_SUFF(pHlp)->pfnVMSetErrorV(pDrvIns, rc, RT_SRC_POS_ARGS, pszFormat, va);
1376}
1377
1378
1379/**
1380 * @copydoc PDMDRVHLPR3::pfnVMSetRuntimeError
1381 */
1382DECLINLINE(int) RT_IPRT_FORMAT_ATTR(4, 5) PDMDrvHlpVMSetRuntimeError(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId,
1383 const char *pszFormat, ...)
1384{
1385 va_list va;
1386 int rc;
1387 va_start(va, pszFormat);
1388 rc = pDrvIns->CTX_SUFF(pHlp)->pfnVMSetRuntimeErrorV(pDrvIns, fFlags, pszErrorId, pszFormat, va);
1389 va_end(va);
1390 return rc;
1391}
1392
1393/** @def PDMDRV_SET_RUNTIME_ERROR
1394 * Set the VM runtime error. See PDMDrvHlpVMSetRuntimeError() for printf like message formatting.
1395 */
1396#define PDMDRV_SET_RUNTIME_ERROR(pDrvIns, fFlags, pszErrorId, pszError) \
1397 PDMDrvHlpVMSetRuntimeError(pDrvIns, fFlags, pszErrorId, "%s", pszError)
1398
1399/**
1400 * @copydoc PDMDRVHLPR3::pfnVMSetRuntimeErrorV
1401 */
1402DECLINLINE(int) RT_IPRT_FORMAT_ATTR(4, 0) PDMDrvHlpVMSetRuntimeErrorV(PPDMDRVINS pDrvIns, uint32_t fFlags,
1403 const char *pszErrorId, const char *pszFormat, va_list va)
1404{
1405 return pDrvIns->CTX_SUFF(pHlp)->pfnVMSetRuntimeErrorV(pDrvIns, fFlags, pszErrorId, pszFormat, va);
1406}
1407
1408
1409
1410/** @def PDMDRV_ASSERT_EMT
1411 * Assert that the current thread is the emulation thread.
1412 */
1413#ifdef VBOX_STRICT
1414# define PDMDRV_ASSERT_EMT(pDrvIns) pDrvIns->CTX_SUFF(pHlp)->pfnAssertEMT(pDrvIns, __FILE__, __LINE__, __FUNCTION__)
1415#else
1416# define PDMDRV_ASSERT_EMT(pDrvIns) do { } while (0)
1417#endif
1418
1419/** @def PDMDRV_ASSERT_OTHER
1420 * Assert that the current thread is NOT the emulation thread.
1421 */
1422#ifdef VBOX_STRICT
1423# define PDMDRV_ASSERT_OTHER(pDrvIns) pDrvIns->CTX_SUFF(pHlp)->pfnAssertOther(pDrvIns, __FILE__, __LINE__, __FUNCTION__)
1424#else
1425# define PDMDRV_ASSERT_OTHER(pDrvIns) do { } while (0)
1426#endif
1427
1428/**
1429 * @copydoc PDMDRVHLPR3::pfnFTSetCheckpoint
1430 */
1431DECLINLINE(int) PDMDrvHlpFTSetCheckpoint(PPDMDRVINS pDrvIns, FTMCHECKPOINTTYPE enmType)
1432{
1433 return pDrvIns->CTX_SUFF(pHlp)->pfnFTSetCheckpoint(pDrvIns, enmType);
1434}
1435
1436
1437#ifdef IN_RING3
1438
1439/**
1440 * @copydoc PDMDRVHLPR3::pfnAttach
1441 */
1442DECLINLINE(int) PDMDrvHlpAttach(PPDMDRVINS pDrvIns, uint32_t fFlags, PPDMIBASE *ppBaseInterface)
1443{
1444 return pDrvIns->pHlpR3->pfnAttach(pDrvIns, fFlags, ppBaseInterface);
1445}
1446
1447/**
1448 * Check that there is no driver below the us that we should attach to.
1449 *
1450 * @returns VERR_PDM_NO_ATTACHED_DRIVER if there is no driver.
1451 * @param pDrvIns The driver instance.
1452 */
1453DECLINLINE(int) PDMDrvHlpNoAttach(PPDMDRVINS pDrvIns)
1454{
1455 return pDrvIns->pHlpR3->pfnAttach(pDrvIns, 0, NULL);
1456}
1457
1458/**
1459 * @copydoc PDMDRVHLPR3::pfnDetach
1460 */
1461DECLINLINE(int) PDMDrvHlpDetach(PPDMDRVINS pDrvIns, uint32_t fFlags)
1462{
1463 return pDrvIns->pHlpR3->pfnDetach(pDrvIns, fFlags);
1464}
1465
1466/**
1467 * @copydoc PDMDRVHLPR3::pfnDetachSelf
1468 */
1469DECLINLINE(int) PDMDrvHlpDetachSelf(PPDMDRVINS pDrvIns, uint32_t fFlags)
1470{
1471 return pDrvIns->pHlpR3->pfnDetachSelf(pDrvIns, fFlags);
1472}
1473
1474/**
1475 * @copydoc PDMDRVHLPR3::pfnMountPrepare
1476 */
1477DECLINLINE(int) PDMDrvHlpMountPrepare(PPDMDRVINS pDrvIns, const char *pszFilename, const char *pszCoreDriver)
1478{
1479 return pDrvIns->pHlpR3->pfnMountPrepare(pDrvIns, pszFilename, pszCoreDriver);
1480}
1481
1482/**
1483 * @copydoc PDMDRVHLPR3::pfnVMState
1484 */
1485DECLINLINE(VMSTATE) PDMDrvHlpVMState(PPDMDRVINS pDrvIns)
1486{
1487 return pDrvIns->CTX_SUFF(pHlp)->pfnVMState(pDrvIns);
1488}
1489
1490/**
1491 * @copydoc PDMDRVHLPR3::pfnVMTeleportedAndNotFullyResumedYet
1492 */
1493DECLINLINE(bool) PDMDrvHlpVMTeleportedAndNotFullyResumedYet(PPDMDRVINS pDrvIns)
1494{
1495 return pDrvIns->pHlpR3->pfnVMTeleportedAndNotFullyResumedYet(pDrvIns);
1496}
1497
1498/**
1499 * @copydoc PDMDRVHLPR3::pfnGetSupDrvSession
1500 */
1501DECLINLINE(PSUPDRVSESSION) PDMDrvHlpGetSupDrvSession(PPDMDRVINS pDrvIns)
1502{
1503 return pDrvIns->pHlpR3->pfnGetSupDrvSession(pDrvIns);
1504}
1505
1506/**
1507 * @copydoc PDMDRVHLPR3::pfnQueueCreate
1508 */
1509DECLINLINE(int) PDMDrvHlpQueueCreate(PPDMDRVINS pDrvIns, uint32_t cbItem, uint32_t cItems, uint32_t cMilliesInterval,
1510 PFNPDMQUEUEDRV pfnCallback, const char *pszName, PPDMQUEUE *ppQueue)
1511{
1512 return pDrvIns->pHlpR3->pfnQueueCreate(pDrvIns, cbItem, cItems, cMilliesInterval, pfnCallback, pszName, ppQueue);
1513}
1514
1515/**
1516 * @copydoc PDMDRVHLPR3::pfnTMGetVirtualFreq
1517 */
1518DECLINLINE(uint64_t) PDMDrvHlpTMGetVirtualFreq(PPDMDRVINS pDrvIns)
1519{
1520 return pDrvIns->pHlpR3->pfnTMGetVirtualFreq(pDrvIns);
1521}
1522
1523/**
1524 * @copydoc PDMDRVHLPR3::pfnTMGetVirtualTime
1525 */
1526DECLINLINE(uint64_t) PDMDrvHlpTMGetVirtualTime(PPDMDRVINS pDrvIns)
1527{
1528 return pDrvIns->pHlpR3->pfnTMGetVirtualTime(pDrvIns);
1529}
1530
1531/**
1532 * @copydoc PDMDRVHLPR3::pfnTMTimerCreate
1533 */
1534DECLINLINE(int) PDMDrvHlpTMTimerCreate(PPDMDRVINS pDrvIns, TMCLOCK enmClock, PFNTMTIMERDRV pfnCallback, void *pvUser, uint32_t fFlags, const char *pszDesc, PPTMTIMERR3 ppTimer)
1535{
1536 return pDrvIns->pHlpR3->pfnTMTimerCreate(pDrvIns, enmClock, pfnCallback, pvUser, fFlags, pszDesc, ppTimer);
1537}
1538
1539/**
1540 * Register a save state data unit.
1541 *
1542 * @returns VBox status.
1543 * @param pDrvIns Driver instance.
1544 * @param uVersion Data layout version number.
1545 * @param cbGuess The approximate amount of data in the unit.
1546 * Only for progress indicators.
1547 * @param pfnSaveExec Execute save callback, optional.
1548 * @param pfnLoadExec Execute load callback, optional.
1549 */
1550DECLINLINE(int) PDMDrvHlpSSMRegister(PPDMDRVINS pDrvIns, uint32_t uVersion, size_t cbGuess,
1551 PFNSSMDRVSAVEEXEC pfnSaveExec, PFNSSMDRVLOADEXEC pfnLoadExec)
1552{
1553 return pDrvIns->pHlpR3->pfnSSMRegister(pDrvIns, uVersion, cbGuess,
1554 NULL /*pfnLivePrep*/, NULL /*pfnLiveExec*/, NULL /*pfnLiveVote*/,
1555 NULL /*pfnSavePrep*/, pfnSaveExec, NULL /*pfnSaveDone*/,
1556 NULL /*pfnLoadPrep*/, pfnLoadExec, NULL /*pfnLoadDone*/);
1557}
1558
1559/**
1560 * @copydoc PDMDRVHLPR3::pfnSSMRegister
1561 */
1562DECLINLINE(int) PDMDrvHlpSSMRegisterEx(PPDMDRVINS pDrvIns, uint32_t uVersion, size_t cbGuess,
1563 PFNSSMDRVLIVEPREP pfnLivePrep, PFNSSMDRVLIVEEXEC pfnLiveExec, PFNSSMDRVLIVEVOTE pfnLiveVote,
1564 PFNSSMDRVSAVEPREP pfnSavePrep, PFNSSMDRVSAVEEXEC pfnSaveExec, PFNSSMDRVSAVEDONE pfnSaveDone,
1565 PFNSSMDRVLOADPREP pfnLoadPrep, PFNSSMDRVLOADEXEC pfnLoadExec, PFNSSMDRVLOADDONE pfnLoadDone)
1566{
1567 return pDrvIns->pHlpR3->pfnSSMRegister(pDrvIns, uVersion, cbGuess,
1568 pfnLivePrep, pfnLiveExec, pfnLiveVote,
1569 pfnSavePrep, pfnSaveExec, pfnSaveDone,
1570 pfnLoadPrep, pfnLoadExec, pfnLoadDone);
1571}
1572
1573/**
1574 * Register a load done callback.
1575 *
1576 * @returns VBox status.
1577 * @param pDrvIns Driver instance.
1578 * @param pfnLoadDone Done load callback, optional.
1579 */
1580DECLINLINE(int) PDMDrvHlpSSMRegisterLoadDone(PPDMDRVINS pDrvIns, PFNSSMDRVLOADDONE pfnLoadDone)
1581{
1582 return pDrvIns->pHlpR3->pfnSSMRegister(pDrvIns, 0 /*uVersion*/, 0 /*cbGuess*/,
1583 NULL /*pfnLivePrep*/, NULL /*pfnLiveExec*/, NULL /*pfnLiveVote*/,
1584 NULL /*pfnSavePrep*/, NULL /*pfnSaveExec*/, NULL /*pfnSaveDone*/,
1585 NULL /*pfnLoadPrep*/, NULL /*pfnLoadExec*/, pfnLoadDone);
1586}
1587
1588/**
1589 * @copydoc PDMDRVHLPR3::pfnDBGFInfoRegister
1590 */
1591DECLINLINE(int) PDMDrvHlpDBGFInfoRegister(PPDMDRVINS pDrvIns, const char *pszName, const char *pszDesc, PFNDBGFHANDLERDRV pfnHandler)
1592{
1593 return pDrvIns->pHlpR3->pfnDBGFInfoRegister(pDrvIns, pszName, pszDesc, pfnHandler);
1594}
1595
1596/**
1597 * @copydoc PDMDRVHLPR3::pfnDBGFInfoRegister
1598 */
1599DECLINLINE(int) PDMDrvHlpDBGFInfoDeregister(PPDMDRVINS pDrvIns, const char *pszName, const char *pszDesc, PFNDBGFHANDLERDRV pfnHandler)
1600{
1601 return pDrvIns->pHlpR3->pfnDBGFInfoRegister(pDrvIns, pszName, pszDesc, pfnHandler);
1602}
1603
1604/**
1605 * @copydoc PDMDRVHLPR3::pfnSTAMRegister
1606 */
1607DECLINLINE(void) PDMDrvHlpSTAMRegister(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, const char *pszName, STAMUNIT enmUnit, const char *pszDesc)
1608{
1609 pDrvIns->pHlpR3->pfnSTAMRegister(pDrvIns, pvSample, enmType, pszName, enmUnit, pszDesc);
1610}
1611
1612/**
1613 * @copydoc PDMDRVHLPR3::pfnSTAMRegisterF
1614 */
1615DECLINLINE(void) RT_IPRT_FORMAT_ATTR(7, 8) PDMDrvHlpSTAMRegisterF(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType,
1616 STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
1617 const char *pszDesc, const char *pszName, ...)
1618{
1619 va_list va;
1620 va_start(va, pszName);
1621 pDrvIns->pHlpR3->pfnSTAMRegisterV(pDrvIns, pvSample, enmType, enmVisibility, enmUnit, pszDesc, pszName, va);
1622 va_end(va);
1623}
1624
1625/**
1626 * Convenience wrapper that registers counter which is always visible.
1627 *
1628 * @param pDrvIns The driver instance.
1629 * @param pCounter Pointer to the counter variable.
1630 * @param pszName The name of the sample. This is prefixed with
1631 * "/Drivers/<drivername>-<instance no>/".
1632 * @param enmUnit The unit.
1633 * @param pszDesc The description.
1634 */
1635DECLINLINE(void) PDMDrvHlpSTAMRegCounterEx(PPDMDRVINS pDrvIns, PSTAMCOUNTER pCounter, const char *pszName, STAMUNIT enmUnit, const char *pszDesc)
1636{
1637 pDrvIns->pHlpR3->pfnSTAMRegisterF(pDrvIns, pCounter, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, enmUnit, pszDesc,
1638 "/Drivers/%s-%u/%s", pDrvIns->pReg->szName, pDrvIns->iInstance, pszName);
1639}
1640
1641/**
1642 * Convenience wrapper that registers counter which is always visible and has
1643 * the STAMUNIT_COUNT unit.
1644 *
1645 * @param pDrvIns The driver instance.
1646 * @param pCounter Pointer to the counter variable.
1647 * @param pszName The name of the sample. This is prefixed with
1648 * "/Drivers/<drivername>-<instance no>/".
1649 * @param pszDesc The description.
1650 */
1651DECLINLINE(void) PDMDrvHlpSTAMRegCounter(PPDMDRVINS pDrvIns, PSTAMCOUNTER pCounter, const char *pszName, const char *pszDesc)
1652{
1653 PDMDrvHlpSTAMRegCounterEx(pDrvIns, pCounter, pszName, STAMUNIT_COUNT, pszDesc);
1654}
1655
1656/**
1657 * Convenience wrapper that registers profiling sample which is always visible.
1658 *
1659 * @param pDrvIns The driver instance.
1660 * @param pProfile Pointer to the profiling variable.
1661 * @param pszName The name of the sample. This is prefixed with
1662 * "/Drivers/<drivername>-<instance no>/".
1663 * @param enmUnit The unit.
1664 * @param pszDesc The description.
1665 */
1666DECLINLINE(void) PDMDrvHlpSTAMRegProfileEx(PPDMDRVINS pDrvIns, PSTAMPROFILE pProfile, const char *pszName, STAMUNIT enmUnit, const char *pszDesc)
1667{
1668 pDrvIns->pHlpR3->pfnSTAMRegisterF(pDrvIns, pProfile, STAMTYPE_PROFILE, STAMVISIBILITY_ALWAYS, enmUnit, pszDesc,
1669 "/Drivers/%s-%u/%s", pDrvIns->pReg->szName, pDrvIns->iInstance, pszName);
1670}
1671
1672/**
1673 * Convenience wrapper that registers profiling sample which is always visible
1674 * hand counts ticks per call (STAMUNIT_TICKS_PER_CALL).
1675 *
1676 * @param pDrvIns The driver instance.
1677 * @param pProfile Pointer to the profiling variable.
1678 * @param pszName The name of the sample. This is prefixed with
1679 * "/Drivers/<drivername>-<instance no>/".
1680 * @param pszDesc The description.
1681 */
1682DECLINLINE(void) PDMDrvHlpSTAMRegProfile(PPDMDRVINS pDrvIns, PSTAMPROFILE pProfile, const char *pszName, const char *pszDesc)
1683{
1684 PDMDrvHlpSTAMRegProfileEx(pDrvIns, pProfile, pszName, STAMUNIT_TICKS_PER_CALL, pszDesc);
1685}
1686
1687/**
1688 * Convenience wrapper that registers an advanced profiling sample which is
1689 * always visible.
1690 *
1691 * @param pDrvIns The driver instance.
1692 * @param pProfile Pointer to the profiling variable.
1693 * @param enmUnit The unit.
1694 * @param pszName The name of the sample. This is prefixed with
1695 * "/Drivers/<drivername>-<instance no>/".
1696 * @param pszDesc The description.
1697 */
1698DECLINLINE(void) PDMDrvHlpSTAMRegProfileAdvEx(PPDMDRVINS pDrvIns, PSTAMPROFILEADV pProfile, const char *pszName, STAMUNIT enmUnit, const char *pszDesc)
1699{
1700 pDrvIns->pHlpR3->pfnSTAMRegisterF(pDrvIns, pProfile, STAMTYPE_PROFILE, STAMVISIBILITY_ALWAYS, enmUnit, pszDesc,
1701 "/Drivers/%s-%u/%s", pDrvIns->pReg->szName, pDrvIns->iInstance, pszName);
1702}
1703
1704/**
1705 * Convenience wrapper that registers an advanced profiling sample which is
1706 * always visible.
1707 *
1708 * @param pDrvIns The driver instance.
1709 * @param pProfile Pointer to the profiling variable.
1710 * @param pszName The name of the sample. This is prefixed with
1711 * "/Drivers/<drivername>-<instance no>/".
1712 * @param pszDesc The description.
1713 */
1714DECLINLINE(void) PDMDrvHlpSTAMRegProfileAdv(PPDMDRVINS pDrvIns, PSTAMPROFILEADV pProfile, const char *pszName, const char *pszDesc)
1715{
1716 PDMDrvHlpSTAMRegProfileAdvEx(pDrvIns, pProfile, pszName, STAMUNIT_TICKS_PER_CALL, pszDesc);
1717}
1718
1719/**
1720 * @copydoc PDMDRVHLPR3::pfnSTAMDeregister
1721 */
1722DECLINLINE(int) PDMDrvHlpSTAMDeregister(PPDMDRVINS pDrvIns, void *pvSample)
1723{
1724 return pDrvIns->pHlpR3->pfnSTAMDeregister(pDrvIns, pvSample);
1725}
1726
1727/**
1728 * @copydoc PDMDRVHLPR3::pfnSUPCallVMMR0Ex
1729 */
1730DECLINLINE(int) PDMDrvHlpSUPCallVMMR0Ex(PPDMDRVINS pDrvIns, unsigned uOperation, void *pvArg, unsigned cbArg)
1731{
1732 return pDrvIns->pHlpR3->pfnSUPCallVMMR0Ex(pDrvIns, uOperation, pvArg, cbArg);
1733}
1734
1735/**
1736 * @copydoc PDMDRVHLPR3::pfnUSBRegisterHub
1737 */
1738DECLINLINE(int) PDMDrvHlpUSBRegisterHub(PPDMDRVINS pDrvIns, uint32_t fVersions, uint32_t cPorts, PCPDMUSBHUBREG pUsbHubReg, PPCPDMUSBHUBHLP ppUsbHubHlp)
1739{
1740 return pDrvIns->pHlpR3->pfnUSBRegisterHub(pDrvIns, fVersions, cPorts, pUsbHubReg, ppUsbHubHlp);
1741}
1742
1743/**
1744 * @copydoc PDMDRVHLPR3::pfnSetAsyncNotification
1745 */
1746DECLINLINE(int) PDMDrvHlpSetAsyncNotification(PPDMDRVINS pDrvIns, PFNPDMDRVASYNCNOTIFY pfnAsyncNotify)
1747{
1748 return pDrvIns->pHlpR3->pfnSetAsyncNotification(pDrvIns, pfnAsyncNotify);
1749}
1750
1751/**
1752 * @copydoc PDMDRVHLPR3::pfnAsyncNotificationCompleted
1753 */
1754DECLINLINE(void) PDMDrvHlpAsyncNotificationCompleted(PPDMDRVINS pDrvIns)
1755{
1756 pDrvIns->pHlpR3->pfnAsyncNotificationCompleted(pDrvIns);
1757}
1758
1759/**
1760 * @copydoc PDMDRVHLPR3::pfnThreadCreate
1761 */
1762DECLINLINE(int) PDMDrvHlpThreadCreate(PPDMDRVINS pDrvIns, PPPDMTHREAD ppThread, void *pvUser, PFNPDMTHREADDRV pfnThread,
1763 PFNPDMTHREADWAKEUPDRV pfnWakeup, size_t cbStack, RTTHREADTYPE enmType, const char *pszName)
1764{
1765 return pDrvIns->pHlpR3->pfnThreadCreate(pDrvIns, ppThread, pvUser, pfnThread, pfnWakeup, cbStack, enmType, pszName);
1766}
1767
1768# ifdef VBOX_WITH_PDM_ASYNC_COMPLETION
1769/**
1770 * @copydoc PDMDRVHLPR3::pfnAsyncCompletionTemplateCreate
1771 */
1772DECLINLINE(int) PDMDrvHlpAsyncCompletionTemplateCreate(PPDMDRVINS pDrvIns, PPPDMASYNCCOMPLETIONTEMPLATE ppTemplate,
1773 PFNPDMASYNCCOMPLETEDRV pfnCompleted, void *pvTemplateUser, const char *pszDesc)
1774{
1775 return pDrvIns->pHlpR3->pfnAsyncCompletionTemplateCreate(pDrvIns, ppTemplate, pfnCompleted, pvTemplateUser, pszDesc);
1776}
1777# endif
1778
1779# ifdef VBOX_WITH_NETSHAPER
1780/**
1781 * @copydoc PDMDRVHLPR3::pfnNetShaperAttach
1782 */
1783DECLINLINE(int) PDMDrvHlpNetShaperAttach(PPDMDRVINS pDrvIns, const char *pcszBwGroup, PPDMNSFILTER pFilter)
1784{
1785 return pDrvIns->pHlpR3->pfnNetShaperAttach(pDrvIns, pcszBwGroup, pFilter);
1786}
1787
1788/**
1789 * @copydoc PDMDRVHLPR3::pfnNetShaperDetach
1790 */
1791DECLINLINE(int) PDMDrvHlpNetShaperDetach(PPDMDRVINS pDrvIns, PPDMNSFILTER pFilter)
1792{
1793 return pDrvIns->pHlpR3->pfnNetShaperDetach(pDrvIns, pFilter);
1794}
1795# endif
1796
1797/**
1798 * @copydoc PDMDRVHLPR3::pfnCritSectInit
1799 */
1800DECLINLINE(int) PDMDrvHlpCritSectInit(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, RT_SRC_POS_DECL, const char *pszName)
1801{
1802 return pDrvIns->pHlpR3->pfnCritSectInit(pDrvIns, pCritSect, RT_SRC_POS_ARGS, pszName);
1803}
1804
1805/**
1806 * @copydoc PDMDRVHLPR3::pfnCallR0
1807 */
1808DECLINLINE(int) PDMDrvHlpCallR0(PPDMDRVINS pDrvIns, uint32_t uOperation, uint64_t u64Arg)
1809{
1810 return pDrvIns->pHlpR3->pfnCallR0(pDrvIns, uOperation, u64Arg);
1811}
1812
1813/**
1814 * @copydoc PDMDRVHLPR3::pfnBlkCacheRetain
1815 */
1816DECLINLINE(int) PDMDrvHlpBlkCacheRetain(PPDMDRVINS pDrvIns, PPPDMBLKCACHE ppBlkCache,
1817 PFNPDMBLKCACHEXFERCOMPLETEDRV pfnXferComplete,
1818 PFNPDMBLKCACHEXFERENQUEUEDRV pfnXferEnqueue,
1819 PFNPDMBLKCACHEXFERENQUEUEDISCARDDRV pfnXferEnqueueDiscard,
1820 const char *pcszId)
1821{
1822 return pDrvIns->pHlpR3->pfnBlkCacheRetain(pDrvIns, ppBlkCache, pfnXferComplete, pfnXferEnqueue, pfnXferEnqueueDiscard, pcszId);
1823}
1824
1825/**
1826 * @copydoc PDMDRVHLPR3::pfnVMGetSuspendReason
1827 */
1828DECLINLINE(VMSUSPENDREASON) PDMDrvHlpVMGetSuspendReason(PPDMDRVINS pDrvIns)
1829{
1830 return pDrvIns->pHlpR3->pfnVMGetSuspendReason(pDrvIns);
1831}
1832
1833/**
1834 * @copydoc PDMDRVHLPR3::pfnVMGetResumeReason
1835 */
1836DECLINLINE(VMRESUMEREASON) PDMDrvHlpVMGetResumeReason(PPDMDRVINS pDrvIns)
1837{
1838 return pDrvIns->pHlpR3->pfnVMGetResumeReason(pDrvIns);
1839}
1840
1841
1842/** Pointer to callbacks provided to the VBoxDriverRegister() call. */
1843typedef struct PDMDRVREGCB *PPDMDRVREGCB;
1844/** Pointer to const callbacks provided to the VBoxDriverRegister() call. */
1845typedef const struct PDMDRVREGCB *PCPDMDRVREGCB;
1846
1847/**
1848 * Callbacks for VBoxDriverRegister().
1849 */
1850typedef struct PDMDRVREGCB
1851{
1852 /** Interface version.
1853 * This is set to PDM_DRVREG_CB_VERSION. */
1854 uint32_t u32Version;
1855
1856 /**
1857 * Registers a driver with the current VM instance.
1858 *
1859 * @returns VBox status code.
1860 * @param pCallbacks Pointer to the callback table.
1861 * @param pReg Pointer to the driver registration record.
1862 * This data must be permanent and readonly.
1863 */
1864 DECLR3CALLBACKMEMBER(int, pfnRegister,(PCPDMDRVREGCB pCallbacks, PCPDMDRVREG pReg));
1865} PDMDRVREGCB;
1866
1867/** Current version of the PDMDRVREGCB structure. */
1868#define PDM_DRVREG_CB_VERSION PDM_VERSION_MAKE(0xf0fa, 1, 0)
1869
1870
1871/**
1872 * The VBoxDriverRegister callback function.
1873 *
1874 * PDM will invoke this function after loading a driver module and letting
1875 * the module decide which drivers to register and how to handle conflicts.
1876 *
1877 * @returns VBox status code.
1878 * @param pCallbacks Pointer to the callback table.
1879 * @param u32Version VBox version number.
1880 */
1881typedef DECLCALLBACK(int) FNPDMVBOXDRIVERSREGISTER(PCPDMDRVREGCB pCallbacks, uint32_t u32Version);
1882
1883VMMR3DECL(int) PDMR3DrvStaticRegistration(PVM pVM, FNPDMVBOXDRIVERSREGISTER pfnCallback);
1884
1885#endif /* IN_RING3 */
1886
1887/** @} */
1888
1889RT_C_DECLS_END
1890
1891#endif /* !VBOX_INCLUDED_vmm_pdmdrv_h */
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