DrvHostParallel.cpp@ 43383

Last change on this file since 43383 was 43383, checked in by vboxsync, 12 years ago
Devices/Parallel: Added more debug statements for enhanced logging.. Need to give debug build to user for debugging. Will revert the changes soon.
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1	/* $Id: DrvHostParallel.cpp 43383 2012-09-21 08:12:41Z vboxsync $ */
2	/** @file
3	* VirtualBox Host Parallel Port Driver.
4	*
5	* Initial Linux-only code contributed by: Alexander Eichner
6	*/
7
8	/*
9	* Copyright (C) 2006-2012 Oracle Corporation
10	*
11	* This file is part of VirtualBox Open Source Edition (OSE), as
12	* available from http://www.virtualbox.org. This file is free software;
13	* you can redistribute it and/or modify it under the terms of the GNU
14	* General Public License (GPL) as published by the Free Software
15	* Foundation, in version 2 as it comes in the "COPYING" file of the
16	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
17	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
18	*/
19
20	/*******************************************************************************
21	* Header Files *
22	*******************************************************************************/
23	#define LOG_GROUP LOG_GROUP_DRV_HOST_PARALLEL
24	#include <VBox/vmm/pdmdrv.h>
25	#include <VBox/vmm/pdmthread.h>
26	#include <iprt/asm.h>
27	#include <iprt/assert.h>
28	#include <iprt/file.h>
29	#include <iprt/pipe.h>
30	#include <iprt/semaphore.h>
31	#include <iprt/stream.h>
32	#include <iprt/uuid.h>
33	#include <iprt/cdefs.h>
34	#include <iprt/ctype.h>
35
36	#ifdef RT_OS_LINUX
37	# include <sys/ioctl.h>
38	# include <sys/types.h>
39	# include <sys/stat.h>
40	# include <sys/poll.h>
41	# include <fcntl.h>
42	# include <unistd.h>
43	# include <linux/ppdev.h>
44	# include <linux/parport.h>
45	# include <errno.h>
46	#endif
47
48	/** @def VBOX_WITH_WIN_PARPORT_SUP *
49	* Indicates whether to use the generic direct hardware access or host specific
50	* code to access the parallel port.
51	*/
52	#if defined(RT_OS_LINUX)
53	# undef VBOX_WITH_WIN_PARPORT_SUP
54	#elif defined(RT_OS_WINDOWS)
55	#else
56	# error "Not ported"
57	#endif
58
59	#if defined(VBOX_WITH_WIN_PARPORT_SUP) && defined(IN_RING0)
60	# include <iprt/asm-amd64-x86.h>
61	#endif
62
63	#if defined(VBOX_WITH_WIN_PARPORT_SUP) && defined(IN_RING3)
64	# include <Windows.h>
65	# include <setupapi.h>
66	# include <cfgmgr32.h>
67	# include <iprt/mem.h>
68	# include <iprt/string.h>
69	#endif
70
71	#include "VBoxDD.h"
72
73
74	/*******************************************************************************
75	* Structures and Typedefs *
76	*******************************************************************************/
77	/**
78	* Host parallel port driver instance data.
79	* @implements PDMIHOSTPARALLELCONNECTOR
80	*/
81	typedef struct DRVHOSTPARALLEL
82	{
83	/** Pointer to the driver instance structure. */
84	PPDMDRVINS pDrvIns;
85	/** Pointer to the driver instance. */
86	PPDMDRVINSR3 pDrvInsR3;
87	PPDMDRVINSR0 pDrvInsR0;
88	/** Pointer to the char port interface of the driver/device above us. */
89	PPDMIHOSTPARALLELPORT pDrvHostParallelPort;
90	/** Our host device interface. */
91	PDMIHOSTPARALLELCONNECTOR IHostParallelConnector;
92	/** Our host device interface. */
93	PDMIHOSTPARALLELCONNECTOR IHostParallelConnectorR3;
94	/** Device Path */
95	char *pszDevicePath;
96	/** Device Handle */
97	RTFILE hFileDevice;
98	#ifndef VBOX_WITH_WIN_PARPORT_SUP
99	/** Thread waiting for interrupts. */
100	PPDMTHREAD pMonitorThread;
101	/** Wakeup pipe read end. */
102	RTPIPE hWakeupPipeR;
103	/** Wakeup pipe write end. */
104	RTPIPE hWakeupPipeW;
105	/** Current mode the parallel port is in. */
106	PDMPARALLELPORTMODE enmModeCur;
107	#endif
108
109	#ifdef VBOX_WITH_WIN_PARPORT_SUP
110	/** Data register. */
111	uint32_t u32LptAddr;
112	/** Status register. */
113	uint32_t u32LptAddrStatus;
114	/** Control register. */
115	uint32_t u32LptAddrControl;
116	/** Data read buffer. */
117	uint8_t u8ReadIn;
118	/** Control read buffer. */
119	uint8_t u8ReadInControl;
120	/** Status read buffer. */
121	uint8_t u8ReadInStatus;
122	/** Parallel port name */
123	char szParportName[6];
124	/** Whether the parallel port is available or not. */
125	bool fParportAvail;
126	/** Device Handle */
127	RTFILE hWinFileDevice;
128	#endif /* VBOX_WITH_WIN_PARPORT_SUP */
129	} DRVHOSTPARALLEL, *PDRVHOSTPARALLEL;
130
131
132	/**
133	* Ring-0 operations.
134	*/
135	typedef enum DRVHOSTPARALLELR0OP
136	{
137	/** Invalid zero value. */
138	DRVHOSTPARALLELR0OP_INVALID = 0,
139	/** Perform R0 initialization. */
140	DRVHOSTPARALLELR0OP_INITR0STUFF,
141	/** Read data. */
142	DRVHOSTPARALLELR0OP_READ,
143	/** Read status register. */
144	DRVHOSTPARALLELR0OP_READSTATUS,
145	/** Read control register. */
146	DRVHOSTPARALLELR0OP_READCONTROL,
147	/** Write data. */
148	DRVHOSTPARALLELR0OP_WRITE,
149	/** Write control register. */
150	DRVHOSTPARALLELR0OP_WRITECONTROL,
151	/** Set port direction. */
152	DRVHOSTPARALLELR0OP_SETPORTDIRECTION
153	} DRVHOSTPARALLELR0OP;
154
155	/** Converts a pointer to DRVHOSTPARALLEL::IHostDeviceConnector to a PDRHOSTPARALLEL. */
156	#define PDMIHOSTPARALLELCONNECTOR_2_DRVHOSTPARALLEL(pInterface) ( (PDRVHOSTPARALLEL)((uintptr_t)pInterface - RT_OFFSETOF(DRVHOSTPARALLEL, CTX_SUFF(IHostParallelConnector))) )
157
158
159	/*******************************************************************************
160	* Defined Constants And Macros *
161	*******************************************************************************/
162	#define CTRL_REG_OFFSET 2
163	#define STATUS_REG_OFFSET 1
164	#define LPT_CONTROL_ENABLE_BIDIRECT 0x20
165
166
167
168	#ifdef VBOX_WITH_WIN_PARPORT_SUP
169	# ifdef IN_RING0
170
171	/**
172	* R0 mode function to write byte value to data port.
173	* @returns VBox status code.
174	* @param pDrvIns Driver instance.
175	* @param u64Arg Data to be written to data register.
176	*
177	*/
178	static int drvR0HostParallelReqWrite(PPDMDRVINS pDrvIns, uint64_t u64Arg)
179	{
180	PDRVHOSTPARALLEL pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTPARALLEL);
181	LogFlowFunc(("write to data port=%#x val=%#x\n", pThis->u32LptAddr, u64Arg));
182	ASMOutU8(pThis->u32LptAddr, (uint8_t)(u64Arg));
183	return VINF_SUCCESS;
184	}
185
186	/**
187	* R0 mode function to write byte value to parallel port control
188	* register.
189	* @returns VBox status code.
190	* @param pDrvIns Driver instance.
191	* @param u64Arg Data to be written to control register.
192	*/
193	static int drvR0HostParallelReqWriteControl(PPDMDRVINS pDrvIns, uint64_t u64Arg)
194	{
195	PDRVHOSTPARALLEL pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTPARALLEL);
196	LogFlowFunc(("write to ctrl port=%#x val=%#x\n", pThis->u32LptAddrControl, u64Arg));
197	ASMOutU8(pThis->u32LptAddrControl, (uint8_t)(u64Arg));
198	return VINF_SUCCESS;
199	}
200
201	/**
202	* R0 mode function to ready byte value from the parallel port
203	* data register
204	* @returns VBox status code.
205	* @param pDrvIns Driver instance.
206	* @param u64Arg Not used.
207	*/
208	static int drvR0HostParallelReqRead(PPDMDRVINS pDrvIns, uint64_t u64Arg)
209	{
210	uint8_t u8Data;
211	PDRVHOSTPARALLEL pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTPARALLEL);
212	u8Data = ASMInU8(pThis->u32LptAddr);
213	LogFlowFunc(("read from data port=%#x val=%#x\n", pThis->u32LptAddr, u8Data));
214	pThis->u8ReadIn = u8Data;
215	return VINF_SUCCESS;
216	}
217
218	/**
219	* R0 mode function to ready byte value from the parallel port
220	* control register.
221	* @returns VBox status code.
222	* @param pDrvIns Driver instance.
223	* @param u64Arg Not used.
224	*/
225	static int drvR0HostParallelReqReadControl(PPDMDRVINS pDrvIns, uint64_t u64Arg)
226	{
227	uint8_t u8Data;
228	PDRVHOSTPARALLEL pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTPARALLEL);
229	u8Data = ASMInU8(pThis->u32LptAddrControl);
230	LogFlowFunc(("read from ctrl port=%#x val=%#x\n", pThis->u32LptAddr, u8Data));
231	pThis->u8ReadInControl = u8Data;
232	return VINF_SUCCESS;
233	}
234
235	/**
236	* R0 mode function to ready byte value from the parallel port
237	* status register.
238	* @returns VBox status code.
239	* @param pDrvIns Driver instance.
240	* @param u64Arg Not used.
241	*/
242	static int drvR0HostParallelReqReadStatus(PPDMDRVINS pDrvIns, uint64_t u64Arg)
243	{
244	uint8_t u8Data;
245	PDRVHOSTPARALLEL pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTPARALLEL);
246	u8Data = ASMInU8(pThis->u32LptAddrStatus);
247	LogFlowFunc(("read from status port=%#x val=%#x\n", pThis->u32LptAddr, u8Data));
248	pThis->u8ReadInStatus = u8Data;
249	return VINF_SUCCESS;
250	}
251
252	/**
253	* R0 mode function to set the direction of parallel port -
254	* operate in bidirectional mode or single direction.
255	* @returns VBox status code.
256	* @param pDrvIns Driver instance.
257	* @param u64Arg Mode.
258	*/
259	static int drvR0HostParallelReqSetPortDir(PPDMDRVINS pDrvIns, uint64_t u64Arg)
260	{
261	PDRVHOSTPARALLEL pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTPARALLEL);
262	uint8_t u8ReadControlVal;
263	uint8_t u8WriteControlVal;
264
265	if (u64Arg)
266	{
267	u8ReadControlVal = ASMInU8(pThis->u32LptAddrControl);
268	u8WriteControlVal = u8ReadControlVal \| LPT_CONTROL_ENABLE_BIDIRECT; /* enable input direction */
269	ASMOutU8(pThis->u32LptAddrControl, u8WriteControlVal);
270	}
271	else
272	{
273	u8ReadControlVal = ASMInU8(pThis->u32LptAddrControl);
274	u8WriteControlVal = u8ReadControlVal & ~LPT_CONTROL_ENABLE_BIDIRECT; /* disable input direction */
275	ASMOutU8(pThis->u32LptAddrControl, u8WriteControlVal);
276	}
277	return VINF_SUCCESS;
278	}
279
280	/**
281	* @interface_method_impl{FNPDMDRVREQHANDLERR0}
282	*/
283	PDMBOTHCBDECL(int) drvR0HostParallelReqHandler(PPDMDRVINS pDrvIns, uint32_t uOperation, uint64_t u64Arg)
284	{
285	int rc;
286
287	LogFlowFuncEnter();
288	/* I have included break after each case. Need to work on this. */
289	switch ((DRVHOSTPARALLELR0OP)uOperation)
290	{
291	case DRVHOSTPARALLELR0OP_READ:
292	rc = drvR0HostParallelReqRead(pDrvIns, u64Arg);
293	break;
294	case DRVHOSTPARALLELR0OP_READSTATUS:
295	rc = drvR0HostParallelReqReadStatus(pDrvIns, u64Arg);
296	break;
297	case DRVHOSTPARALLELR0OP_READCONTROL:
298	rc = drvR0HostParallelReqReadControl(pDrvIns, u64Arg);
299	break;
300	case DRVHOSTPARALLELR0OP_WRITE:
301	rc = drvR0HostParallelReqWrite(pDrvIns, u64Arg);
302	break;
303	case DRVHOSTPARALLELR0OP_WRITECONTROL:
304	rc = drvR0HostParallelReqWriteControl(pDrvIns, u64Arg);
305	break;
306	case DRVHOSTPARALLELR0OP_SETPORTDIRECTION:
307	rc = drvR0HostParallelReqSetPortDir(pDrvIns, u64Arg);
308	break;
309	default: /* not supported */
310	rc = VERR_NOT_SUPPORTED;
311	}
312	LogFlowFuncLeave();
313	return rc;
314	}
315
316	# endif /* IN_RING0 */
317	#endif /* VBOX_WITH_WIN_PARPORT_SUP */
318
319	#ifdef IN_RING3
320	# ifdef VBOX_WITH_WIN_PARPORT_SUP
321
322	/**
323	* Find IO port range for the parallel port and return the lower address.
324	*
325	* @returns parallel port IO address.
326	* @param DevInst Device Instance for parallel port.
327	*/
328	static uint32_t drvHostWinFindIORangeResource(const DEVINST DevInst)
329	{
330	uint8_t *pBuf = NULL;
331	short wHeaderSize;
332	uint32_t u32Size;
333	CONFIGRET cmRet;
334	LOG_CONF firstLogConf;
335	LOG_CONF nextLogConf;
336	RES_DES rdPrevResDes;
337	uint32_t u32ParportAddr;
338
339	wHeaderSize = sizeof(IO_DES);
340	cmRet = CM_Get_First_Log_Conf(&firstLogConf, DevInst, ALLOC_LOG_CONF);
341	if (cmRet != CR_SUCCESS)
342	{
343	cmRet = CM_Get_First_Log_Conf(&firstLogConf, DevInst, BOOT_LOG_CONF);
344	if (cmRet != CR_SUCCESS)
345	return 0;
346	}
347	cmRet = CM_Get_Next_Res_Des(&nextLogConf, firstLogConf, 2, 0L, 0L);
348	if (cmRet != CR_SUCCESS)
349	{
350	CM_Free_Res_Des_Handle(firstLogConf);
351	return 0;
352	}
353
354	for (;;)
355	{
356	u32Size = 0;
357	if ((cmRet = CM_Get_Res_Des_Data_Size((PULONG)(&u32Size), nextLogConf, 0L)) != CR_SUCCESS
358	&& !(pBuf = (uint8_t *)RTMemAlloc(u32Size + 1))
359	&& (cmRet = CM_Get_Res_Des_Data(nextLogConf, pBuf, u32Size, 0L)) != CR_SUCCESS
360	)
361	{
362	CM_Free_Res_Des_Handle(nextLogConf);
363	if (pBuf)
364	RTMemFree(pBuf);
365	break;
366
367	}
368	LogFlowFunc(("call GetIOResource\n"));
369	u32ParportAddr = ((IO_DES *)pBuf)->IOD_Alloc_Base;
370	LogFlowFunc(("called GetIOResource, ret=%#x\n", u32ParportAddr));
371	rdPrevResDes = 0;
372	cmRet = CM_Get_Next_Res_Des(&rdPrevResDes,
373	nextLogConf,
374	2,
375	0L,
376	0L);
377	RTMemFree(pBuf);
378	if (cmRet != CR_SUCCESS)
379	break;
380
381	CM_Free_Res_Des_Handle(nextLogConf);
382	nextLogConf = rdPrevResDes;
383	}
384	CM_Free_Res_Des_Handle(nextLogConf);
385	LogFlowFunc(("return u32ParportAddr=%#x", u32ParportAddr));
386	return u32ParportAddr;
387	}
388
389	/**
390	* Get Parallel port address and update the shared data
391	* structure.
392	* @returns VBox status code.
393	* @param pThis The host parallel port instance data.
394	*/
395	static int drvWinHostGetparportAddr(PDRVHOSTPARALLEL pThis)
396	{
397	HDEVINFO hDevInfo;
398	SP_DEVINFO_DATA DeviceInfoData;
399	uint32_t u32Idx;
400	uint32_t u32ParportAddr;
401	int rc = VINF_SUCCESS;
402
403	hDevInfo = SetupDiGetClassDevs(NULL, 0, 0, DIGCF_PRESENT \| DIGCF_ALLCLASSES);
404	if (hDevInfo == INVALID_HANDLE_VALUE)
405	{
406	LogFlowFunc(("Invalid Handle \n"));
407	return VERR_INVALID_HANDLE;
408	}
409
410	/* Enumerate through all devices in Set. */
411	DeviceInfoData.cbSize = sizeof(SP_DEVINFO_DATA);
412	for (u32Idx = 0; SetupDiEnumDeviceInfo(hDevInfo, u32Idx, &DeviceInfoData); u32Idx++)
413	{
414	DWORD dwDataType;
415	uint8_t *pBuf = NULL;
416	DWORD dwBufSize = 0;
417
418	while (!SetupDiGetDeviceRegistryProperty(hDevInfo, &DeviceInfoData, SPDRP_FRIENDLYNAME,
419	(PDWORD)&dwDataType, (uint8_t *)pBuf,
420	dwBufSize, (PDWORD)&dwBufSize)
421	&& GetLastError() == ERROR_INSUFFICIENT_BUFFER)
422	{
423	if (pBuf)
424	RTMemFree(pBuf);
425	/* Max size will never be more than 2048 bytes */
426	pBuf = (uint8_t )RTMemAlloc(dwBufSize 2);
427	}
428	if(!pBuf)
429	{
430	LogFlowFunc(("No Memory to save ParportString\n"));
431	return VERR_NO_MEMORY;
432	}
433	LogFlowFunc(("%s\n", (char*)pBuf));
434	if (RTStrStr((char*)pBuf, "LPT"))
435	{
436	u32ParportAddr = drvHostWinFindIORangeResource(DeviceInfoData.DevInst);
437	if (u32ParportAddr)
438	{
439	/* Find parallel port name and update the shared data struncture */
440	char pCh = RTStrStr((char)pBuf, "(");
441	char pTmpCh = RTStrStr((char )pBuf, ")");
442	/* check for the confirmation for the availability of parallel port */
443	if (!(pCh && pTmpCh))
444	{
445	LogFlowFunc(("Parallel port Not Found. \n"));
446	return VERR_NOT_FOUND;
447
448	}
449	if (((pTmpCh - (char )pBuf) - (pCh - (char )pBuf)) < 0) {
450	LogFlowFunc(("Parallel port string not properly formatted.\n"));
451	return VERR_NOT_FOUND;
452	}
453	/* check for the confirmation for the availability of parallel port */
454	if (RTStrCopyEx((char *)(pThis->szParportName), sizeof(pThis->szParportName),
455	pCh+1, ((pTmpCh - (char )pBuf) - (pCh - (char )pBuf)) - 1))
456	{
457	LogFlowFunc(("Parallel Port Not Found.\n"));
458	return VERR_NOT_FOUND;
459	}
460	((char )pThis->szParportName + (pTmpCh - (char )pBuf) - (pCh - (char )pBuf) + 1 ) = '\0';
461
462	/* checking again to make sure that we have got a valid name and in valid format too. */
463	if (RTStrNCmp((char *)pThis->szParportName, "LPT", 3)) {
464	LogFlowFunc(("Parallel Port name \"LPT\" Not Found.\n"));
465	return VERR_NOT_FOUND;
466	}
467	if (!RTStrStr((char *)pThis->szParportName, "LPT")
468	\|\| !(pThis->szParportName[3] >= '0'
469	&& pThis->szParportName[3] <= '9'))
470	{
471	RT_BZERO(pThis->szParportName, sizeof(pThis->szParportName));
472	LogFlowFunc(("Printer Port Name Not Found.\n"));
473	return VERR_NOT_FOUND;
474	}
475	pThis->fParportAvail = true;
476	pThis->u32LptAddr = u32ParportAddr;
477	pThis->u32LptAddrControl = pThis->u32LptAddr + CTRL_REG_OFFSET;
478	pThis->u32LptAddrStatus = pThis->u32LptAddr + STATUS_REG_OFFSET;
479	}
480	else
481	LogFlowFunc(("u32Parport Addr No Available \n"));
482	if (pThis->fParportAvail)
483	{
484	LogFlow(("Parport found . Break from inner loop \n"));
485	break;
486	}
487	}
488	else
489	LogFlow(("LPT: Parallel Port not available \n"));
490	if (pBuf)
491	RTMemFree(pBuf);
492	if (pThis->fParportAvail)
493	{
494	LogFlow(("Parport Available. Break from outer loop \n"));
495	/* Parallel port address has been found. No need to iterate further. */
496	break;
497	}
498	}
499
500	if (GetLastError() != NO_ERROR && GetLastError() != ERROR_NO_MORE_ITEMS)
501	rc = VERR_GENERAL_FAILURE;
502
503	SetupDiDestroyDeviceInfoList(hDevInfo);
504	return rc;
505
506	}
507	# endif /* VBOX_WITH_WIN_PARPORT_SUP */
508
509	/**
510	* Changes the current mode of the host parallel port.
511	*
512	* @returns VBox status code.
513	* @param pThis The host parallel port instance data.
514	* @param enmMode The mode to change the port to.
515	*/
516	static int drvHostParallelSetMode(PDRVHOSTPARALLEL pThis, PDMPARALLELPORTMODE enmMode)
517	{
518	int iMode = 0;
519	int rc = VINF_SUCCESS;
520	LogFlowFunc(("mode=%d\n", enmMode));
521
522	# ifndef VBOX_WITH_WIN_PARPORT_SUP
523	int rcLnx;
524	if (pThis->enmModeCur != enmMode)
525	{
526	switch (enmMode)
527	{
528	case PDM_PARALLEL_PORT_MODE_SPP:
529	iMode = IEEE1284_MODE_COMPAT;
530	break;
531	case PDM_PARALLEL_PORT_MODE_EPP_DATA:
532	iMode = IEEE1284_MODE_EPP \| IEEE1284_DATA;
533	break;
534	case PDM_PARALLEL_PORT_MODE_EPP_ADDR:
535	iMode = IEEE1284_MODE_EPP \| IEEE1284_ADDR;
536	break;
537	case PDM_PARALLEL_PORT_MODE_ECP:
538	case PDM_PARALLEL_PORT_MODE_INVALID:
539	default:
540	return VERR_NOT_SUPPORTED;
541	}
542
543	rcLnx = ioctl(RTFileToNative(pThis->hFileDevice), PPSETMODE, &iMode);
544	if (RT_UNLIKELY(rcLnx < 0))
545	rc = RTErrConvertFromErrno(errno);
546	else
547	pThis->enmModeCur = enmMode;
548	}
549
550	return rc;
551	# else /* VBOX_WITH_WIN_PARPORT_SUP */
552	return VINF_SUCCESS;
553	# endif /* VBOX_WITH_WIN_PARPORT_SUP */
554	}
555
556	/* -=-=-=-=- IBase -=-=-=-=- */
557
558	/**
559	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
560	*/
561	static DECLCALLBACK(void ) drvHostParallelQueryInterface(PPDMIBASE pInterface, const char pszIID)
562	{
563	PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
564	PDRVHOSTPARALLEL pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTPARALLEL);
565
566	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
567	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIHOSTPARALLELCONNECTOR, &pThis->CTX_SUFF(IHostParallelConnector));
568	return NULL;
569	}
570
571
572	/* -=-=-=-=- IHostDeviceConnector -=-=-=-=- */
573
574	/** @copydoc PDMICHARCONNECTOR::pfnWrite */
575	static DECLCALLBACK(int) drvHostParallelWrite(PPDMIHOSTPARALLELCONNECTOR pInterface, const void *pvBuf, size_t cbWrite, PDMPARALLELPORTMODE enmMode)
576	{
577	PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
578	//PDRVHOSTPARALLEL pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTPARALLEL);
579	PDRVHOSTPARALLEL pThis = RT_FROM_MEMBER(pInterface, DRVHOSTPARALLEL, CTX_SUFF(IHostParallelConnector));
580	int rc = VINF_SUCCESS;
581	int rcLnx = 0;
582
583	LogFlowFunc(("pvBuf=%#p cbWrite=%d\n", pvBuf, cbWrite));
584
585	rc = drvHostParallelSetMode(pThis, enmMode);
586	if (RT_FAILURE(rc))
587	return rc;
588	# ifndef VBOX_WITH_WIN_PARPORT_SUP
589	if (enmMode == PDM_PARALLEL_PORT_MODE_SPP)
590	{
591	/* Set the data lines directly. */
592	rcLnx = ioctl(RTFileToNative(pThis->hFileDevice), PPWDATA, pvBuf);
593	}
594	else
595	{
596	/* Use write interface. */
597	rcLnx = write(RTFileToNative(pThis->hFileDevice), pvBuf, cbWrite);
598	}
599	if (RT_UNLIKELY(rcLnx < 0))
600	rc = RTErrConvertFromErrno(errno);
601	# else /* VBOX_WITH_WIN_PARPORT_SUP */
602	if (!pThis->fParportAvail)
603	LogFlowFunc(("Parport Not Available\n"));
604	//if (pThis->fParportAvail)
605	{
606	for (size_t i = 0; i < cbWrite; i++)
607	{
608	uint64_t u64Data = (uint8_t) ((uint8_t )(pvBuf) + i);
609	LogFlowFunc(("calling R0 to write to parallel port, data=%#x\n", u64Data));
610	rc = PDMDrvHlpCallR0(pThis->CTX_SUFF(pDrvIns), DRVHOSTPARALLELR0OP_WRITE, u64Data);
611	AssertRC(rc);
612	}
613	}
614	# endif /* VBOX_WITH_WIN_PARPORT_SUP */
615	return rc;
616	}
617
618	/**
619	* @interface_method_impl{PDMIBASE,pfnRead}
620	*/
621	static DECLCALLBACK(int) drvHostParallelRead(PPDMIHOSTPARALLELCONNECTOR pInterface, void *pvBuf, size_t cbRead, PDMPARALLELPORTMODE enmMode)
622	{
623	PDRVHOSTPARALLEL pThis = RT_FROM_MEMBER(pInterface, DRVHOSTPARALLEL, CTX_SUFF(IHostParallelConnector));
624	int rc = VINF_SUCCESS;
625
626	# ifndef VBOX_WITH_WIN_PARPORT_SUP
627	int rcLnx = 0;
628	LogFlowFunc(("pvBuf=%#p cbRead=%d\n", pvBuf, cbRead));
629
630	rc = drvHostParallelSetMode(pThis, enmMode);
631	if (RT_FAILURE(rc))
632	return rc;
633
634	if (enmMode == PDM_PARALLEL_PORT_MODE_SPP)
635	{
636	/* Set the data lines directly. */
637	rcLnx = ioctl(RTFileToNative(pThis->hFileDevice), PPWDATA, pvBuf);
638	}
639	else
640	{
641	/* Use write interface. */
642	rcLnx = read(RTFileToNative(pThis->hFileDevice), pvBuf, cbRead);
643	}
644	if (RT_UNLIKELY(rcLnx < 0))
645	rc = RTErrConvertFromErrno(errno);
646	# else /* VBOX_WITH_WIN_PARPORT_SUP */
647	if (!pThis->fParportAvail)
648	LogFlowFunc(("Parport Not Available\n"));
649	//if (pThis->fParportAvail)
650	{
651	((uint8_t)(pvBuf)) = 0; /* Initialize the buffer. */
652	for (size_t i = 0; i < cbRead; i++)
653	{
654	LogFlowFunc(("calling R0 to read from parallel port\n"));
655	int rc = PDMDrvHlpCallR0(pThis->CTX_SUFF(pDrvIns), DRVHOSTPARALLELR0OP_READ, 0);
656	AssertRC(rc);
657	((uint8_t )pvBuf + i) = (uint8_t)pThis->u8ReadIn;
658	}
659	}
660	# endif /* VBOX_WITH_WIN_PARPORT_SUP */
661	return rc;
662	}
663
664	static DECLCALLBACK(int) drvHostParallelSetPortDirection(PPDMIHOSTPARALLELCONNECTOR pInterface, bool fForward)
665	{
666	PDRVHOSTPARALLEL pThis = RT_FROM_MEMBER(pInterface, DRVHOSTPARALLEL, CTX_SUFF(IHostParallelConnector));
667	int rc = VINF_SUCCESS;
668	int iMode = 0;
669	if (!fForward)
670	iMode = 1;
671	# ifndef VBOX_WITH_WIN_PARPORT_SUP
672	int rcLnx = ioctl(RTFileToNative(pThis->hFileDevice), PPDATADIR, &iMode);
673	if (RT_UNLIKELY(rcLnx < 0))
674	rc = RTErrConvertFromErrno(errno);
675
676	# else /* VBOX_WITH_WIN_PARPORT_SUP */
677	uint64_t u64Data;
678	u64Data = (uint8_t)iMode;
679	if (!pThis->fParportAvail)
680	LogFlowFunc(("Parport Not available\n"));
681	//if (pThis->fParportAvail)
682	{
683	LogFlowFunc(("calling R0 to SetPortDirection, data=%#x\n", u64Data));
684	rc = PDMDrvHlpCallR0(pThis->CTX_SUFF(pDrvIns), DRVHOSTPARALLELR0OP_SETPORTDIRECTION, u64Data);
685	AssertRC(rc);
686	}
687	# endif /* VBOX_WITH_WIN_PARPORT_SUP */
688	return rc;
689	}
690
691	/**
692	* @interface_method_impl{PDMIBASE,pfnWriteControl}
693	*/
694	static DECLCALLBACK(int) drvHostParallelWriteControl(PPDMIHOSTPARALLELCONNECTOR pInterface, uint8_t fReg)
695	{
696	PDRVHOSTPARALLEL pThis = RT_FROM_MEMBER(pInterface, DRVHOSTPARALLEL, CTX_SUFF(IHostParallelConnector));
697	int rc = VINF_SUCCESS;
698	int rcLnx = 0;
699
700	LogFlowFunc(("fReg=%#x\n", fReg));
701	# ifndef VBOX_WITH_WIN_PARPORT_SUP
702	rcLnx = ioctl(RTFileToNative(pThis->hFileDevice), PPWCONTROL, &fReg);
703	if (RT_UNLIKELY(rcLnx < 0))
704	rc = RTErrConvertFromErrno(errno);
705	# else /* VBOX_WITH_WIN_PARPORT_SUP */
706	uint64_t u64Data;
707	u64Data = (uint8_t)fReg;
708	if (!pThis->fParportAvail)
709	LogFlowFunc(("Parport Not Available\n"));
710	//if (pThis->fParportAvail)
711	{
712	LogFlowFunc(("calling R0 to write CTRL, data=%#x\n", u64Data));
713	rc = PDMDrvHlpCallR0(pThis->CTX_SUFF(pDrvIns), DRVHOSTPARALLELR0OP_WRITECONTROL, u64Data);
714	AssertRC(rc);
715	}
716	# endif /* VBOX_WITH_WIN_PARPORT_SUP */
717	return rc;
718	}
719
720
721	/**
722	* @interface_method_impl{PDMIBASE,pfnReadControl}
723	*/
724	static DECLCALLBACK(int) drvHostParallelReadControl(PPDMIHOSTPARALLELCONNECTOR pInterface, uint8_t *pfReg)
725	{
726	PDRVHOSTPARALLEL pThis = RT_FROM_MEMBER(pInterface, DRVHOSTPARALLEL, CTX_SUFF(IHostParallelConnector));
727	int rc = VINF_SUCCESS;
728	int rcLnx = 0;
729	uint8_t fReg = 0;
730
731	# ifndef VBOX_WITH_WIN_PARPORT_SUP
732	rcLnx = ioctl(RTFileToNative(pThis->hFileDevice), PPRCONTROL, &fReg);
733	if (RT_UNLIKELY(rcLnx < 0))
734	rc = RTErrConvertFromErrno(errno);
735	else
736	{
737	LogFlowFunc(("fReg=%#x\n", fReg));
738	*pfReg = fReg;
739	}
740	# else /* VBOX_WITH_WIN_PARPORT_SUP */
741	pfReg = 0; / Initialize the buffer*/
742	if (!pThis->fParportAvail)
743	LogFlowFunc(("Parport Not Available\n"));
744	//if (pThis->fParportAvail)
745	{
746	LogFlowFunc(("calling R0 to read control from parallel port\n"));
747	rc = PDMDrvHlpCallR0(pThis-> CTX_SUFF(pDrvIns), DRVHOSTPARALLELR0OP_READCONTROL, 0);
748	AssertRC(rc);
749	*pfReg = pThis->u8ReadInControl;
750	}
751	# endif /* VBOX_WITH_WIN_PARPORT_SUP */
752	return rc;
753	}
754
755	/**
756	* @interface_method_impl{PDMIBASE,pfnReadStatus}
757	*/
758	static DECLCALLBACK(int) drvHostParallelReadStatus(PPDMIHOSTPARALLELCONNECTOR pInterface, uint8_t *pfReg)
759	{
760	PDRVHOSTPARALLEL pThis = RT_FROM_MEMBER(pInterface, DRVHOSTPARALLEL, CTX_SUFF(IHostParallelConnector));
761	int rc = VINF_SUCCESS;
762	int rcLnx = 0;
763	uint8_t fReg = 0;
764	LogFlowFunc(("%d Status Reg\n", *pfReg));
765	# ifndef VBOX_WITH_WIN_PARPORT_SUP
766	rcLnx = ioctl(RTFileToNative(pThis->hFileDevice), PPRSTATUS, &fReg);
767	if (RT_UNLIKELY(rcLnx < 0))
768	rc = RTErrConvertFromErrno(errno);
769	else
770	{
771	LogFlowFunc(("fReg=%#x\n", fReg));
772	*pfReg = fReg;
773	}
774	# else /* VBOX_WITH_WIN_PARPORT_SUP */
775	pfReg = 0; / Intialize the buffer. */
776	if (!pThis->fParportAvail)
777	LogFlowFunc(("fParport Not Available.. Error!!!!!!!!!! \n"));
778	//if (pThis->fParportAvail)
779	{
780	LogFlowFunc(("calling R0 to read status from parallel port. fParport should be available\n"));
781	rc = PDMDrvHlpCallR0(pThis->CTX_SUFF(pDrvIns), DRVHOSTPARALLELR0OP_READSTATUS, 0);
782	AssertRC(rc);
783	LogFlow(("value read from status = %d\n", *pfReg));
784	*pfReg = pThis->u8ReadInStatus;
785	}
786
787	# endif /* VBOX_WITH_WIN_PARPORT_SUP */
788	return rc;
789	}
790
791	# ifndef VBOX_WITH_WIN_PARPORT_SUP
792
793	static DECLCALLBACK(int) drvHostParallelMonitorThread(PPDMDRVINS pDrvIns, PPDMTHREAD pThread)
794	{
795	PDRVHOSTPARALLEL pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTPARALLEL);
796	struct pollfd aFDs[2];
797
798	/*
799	* We can wait for interrupts using poll on linux hosts.
800	*/
801	while (pThread->enmState == PDMTHREADSTATE_RUNNING)
802	{
803	int rc;
804
805	aFDs[0].fd = RTFileToNative(pThis->hFileDevice);
806	aFDs[0].events = POLLIN;
807	aFDs[0].revents = 0;
808	aFDs[1].fd = RTPipeToNative(pThis->hWakeupPipeR);
809	aFDs[1].events = POLLIN \| POLLERR \| POLLHUP;
810	aFDs[1].revents = 0;
811	rc = poll(aFDs, RT_ELEMENTS(aFDs), -1);
812	if (rc < 0)
813	{
814	AssertMsgFailed(("poll failed with rc=%d\n", RTErrConvertFromErrno(errno)));
815	return RTErrConvertFromErrno(errno);
816	}
817
818	if (pThread->enmState != PDMTHREADSTATE_RUNNING)
819	break;
820	if (rc > 0 && aFDs[1].revents)
821	{
822	if (aFDs[1].revents & (POLLHUP \| POLLERR \| POLLNVAL))
823	break;
824	/* notification to terminate -- drain the pipe */
825	char ch;
826	size_t cbRead;
827	RTPipeRead(pThis->hWakeupPipeR, &ch, 1, &cbRead);
828	continue;
829	}
830
831	/* Interrupt occurred. */
832	rc = pThis->pDrvHostParallelPort->pfnNotifyInterrupt(pThis->pDrvHostParallelPort);
833	AssertRC(rc);
834	}
835
836	return VINF_SUCCESS;
837	}
838
839	/**
840	* Unblock the monitor thread so it can respond to a state change.
841	*
842	* @returns a VBox status code.
843	* @param pDrvIns The driver instance.
844	* @param pThread The send thread.
845	*/
846	static DECLCALLBACK(int) drvHostParallelWakeupMonitorThread(PPDMDRVINS pDrvIns, PPDMTHREAD pThread)
847	{
848	PDRVHOSTPARALLEL pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTPARALLEL);
849	size_t cbIgnored;
850	return RTPipeWrite(pThis->hWakeupPipeW, "", 1, &cbIgnored);
851	}
852
853	# endif /* VBOX_WITH_WIN_PARPORT_SUP */
854
855	/**
856	* Destruct a host parallel driver instance.
857	*
858	* Most VM resources are freed by the VM. This callback is provided so that
859	* any non-VM resources can be freed correctly.
860	*
861	* @param pDrvIns The driver instance data.
862	*/
863	static DECLCALLBACK(void) drvHostParallelDestruct(PPDMDRVINS pDrvIns)
864	{
865	int rc;
866	PDRVHOSTPARALLEL pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTPARALLEL);
867	LogFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
868	PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
869
870	#ifndef VBOX_WITH_WIN_PARPORT_SUP
871	if (pThis->hFileDevice != NIL_RTFILE)
872	ioctl(RTFileToNative(pThis->hFileDevice), PPRELEASE);
873
874	rc = RTPipeClose(pThis->hWakeupPipeW); AssertRC(rc);
875	pThis->hWakeupPipeW = NIL_RTPIPE;
876
877	rc = RTPipeClose(pThis->hWakeupPipeR); AssertRC(rc);
878	pThis->hWakeupPipeR = NIL_RTPIPE;
879
880	rc = RTFileClose(pThis->hFileDevice); AssertRC(rc);
881	pThis->hFileDevice = NIL_RTFILE;
882
883	if (pThis->pszDevicePath)
884	{
885	MMR3HeapFree(pThis->pszDevicePath);
886	pThis->pszDevicePath = NULL;
887	}
888	#else /* VBOX_WITH_WIN_PARPORT_SUP */
889	if (pThis->hWinFileDevice != NIL_RTFILE)
890	rc = RTFileClose(pThis->hWinFileDevice); AssertRC(rc);
891	#endif /* VBOX_WITH_WIN_PARPORT_SUP */
892	}
893
894	/**
895	* Construct a host parallel driver instance.
896	*
897	* @copydoc FNPDMDRVCONSTRUCT
898	*/
899	static DECLCALLBACK(int) drvHostParallelConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
900	{
901	PDRVHOSTPARALLEL pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTPARALLEL);
902	LogFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
903
904	PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
905
906	/*
907	* Init basic data members and interfaces.
908	*
909	* Must be done before returning any failure because we've got a destructor.
910	*/
911	pThis->hFileDevice = NIL_RTFILE;
912	#ifndef VBOX_WITH_WIN_PARPORT_SUP
913	pThis->hWakeupPipeR = NIL_RTPIPE;
914	pThis->hWakeupPipeW = NIL_RTPIPE;
915	#else /* VBOX_WITH_WIN_PARPORT_SUP */
916	pThis->hWinFileDevice = NIL_RTFILE;
917	#endif
918
919	pThis->pDrvInsR3 = pDrvIns;
920	#ifdef VBOX_WITH_DRVINTNET_IN_R0
921	pThis->pDrvInsR0 = PDMDRVINS_2_R0PTR(pDrvIns);
922	#endif
923
924	/* IBase. */
925	pDrvIns->IBase.pfnQueryInterface = drvHostParallelQueryInterface;
926	/* IHostParallelConnector. */
927	pThis->IHostParallelConnectorR3.pfnWrite = drvHostParallelWrite;
928	pThis->IHostParallelConnectorR3.pfnRead = drvHostParallelRead;
929	pThis->IHostParallelConnectorR3.pfnSetPortDirection = drvHostParallelSetPortDirection;
930	pThis->IHostParallelConnectorR3.pfnWriteControl = drvHostParallelWriteControl;
931	pThis->IHostParallelConnectorR3.pfnReadControl = drvHostParallelReadControl;
932	pThis->IHostParallelConnectorR3.pfnReadStatus = drvHostParallelReadStatus;
933
934	/*
935	* Validate the config.
936	*/
937	if (!CFGMR3AreValuesValid(pCfg, "DevicePath\0"))
938	return PDMDRV_SET_ERROR(pDrvIns, VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES,
939	N_("Unknown host parallel configuration option, only supports DevicePath"));
940
941	/*
942	* Query configuration.
943	*/
944	/* Device */
945	int rc = CFGMR3QueryStringAlloc(pCfg, "DevicePath", &pThis->pszDevicePath);
946	if (RT_FAILURE(rc))
947	{
948	AssertMsgFailed(("Configuration error: query for \"DevicePath\" string returned %Rra.\n", rc));
949	return rc;
950	}
951
952	/*
953	* Open the device
954	*/
955	rc = RTFileOpen(&pThis->hFileDevice, pThis->pszDevicePath, RTFILE_O_READWRITE \| RTFILE_O_OPEN \| RTFILE_O_DENY_NONE);
956	if (RT_FAILURE(rc))
957	return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS, N_("Parallel#%d could not open '%s'"),
958	pDrvIns->iInstance, pThis->pszDevicePath);
959
960	#ifndef VBOX_WITH_WIN_PARPORT_SUP
961	/*
962	* Try to get exclusive access to parallel port
963	*/
964	rc = ioctl(RTFileToNative(pThis->hFileDevice), PPEXCL);
965	if (rc < 0)
966	return PDMDrvHlpVMSetError(pDrvIns, RTErrConvertFromErrno(errno), RT_SRC_POS,
967	N_("Parallel#%d could not get exclusive access for parallel port '%s'"
968	"Be sure that no other process or driver accesses this port"),
969	pDrvIns->iInstance, pThis->pszDevicePath);
970
971	/*
972	* Claim the parallel port
973	*/
974	rc = ioctl(RTFileToNative(pThis->hFileDevice), PPCLAIM);
975	if (rc < 0)
976	return PDMDrvHlpVMSetError(pDrvIns, RTErrConvertFromErrno(errno), RT_SRC_POS,
977	N_("Parallel#%d could not claim parallel port '%s'"
978	"Be sure that no other process or driver accesses this port"),
979	pDrvIns->iInstance, pThis->pszDevicePath);
980
981	/*
982	* Get the IHostParallelPort interface of the above driver/device.
983	*/
984	pThis->pDrvHostParallelPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIHOSTPARALLELPORT);
985	if (!pThis->pDrvHostParallelPort)
986	return PDMDrvHlpVMSetError(pDrvIns, VERR_PDM_MISSING_INTERFACE_ABOVE, RT_SRC_POS, N_("Parallel#%d has no parallel port interface above"),
987	pDrvIns->iInstance);
988
989	/*
990	* Create wakeup pipe.
991	*/
992	rc = RTPipeCreate(&pThis->hWakeupPipeR, &pThis->hWakeupPipeW, 0 /fFlags/);
993	AssertRCReturn(rc, rc);
994
995	/*
996	* Start in SPP mode.
997	*/
998	pThis->enmModeCur = PDM_PARALLEL_PORT_MODE_INVALID;
999	rc = drvHostParallelSetMode(pThis, PDM_PARALLEL_PORT_MODE_SPP);
1000	if (RT_FAILURE(rc))
1001	return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS, N_("HostParallel#%d cannot change mode of parallel mode to SPP"), pDrvIns->iInstance);
1002
1003	/*
1004	* Start waiting for interrupts.
1005	*/
1006	rc = PDMDrvHlpThreadCreate(pDrvIns, &pThis->pMonitorThread, pThis, drvHostParallelMonitorThread, drvHostParallelWakeupMonitorThread, 0,
1007	RTTHREADTYPE_IO, "ParMon");
1008	if (RT_FAILURE(rc))
1009	return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS, N_("HostParallel#%d cannot create monitor thread"), pDrvIns->iInstance);
1010
1011	#else /* VBOX_WITH_WIN_PARPORT_SUP */
1012	HANDLE hPort;
1013	pThis->fParportAvail = false;
1014	pThis->u32LptAddr = 0;
1015	pThis->u32LptAddrControl = 0;
1016	pThis->u32LptAddrStatus = 0;
1017	rc = drvWinHostGetparportAddr(pThis);
1018
1019	/* If we have the char port availabe use it , else I am not getting exclusive access to parallel port.
1020	Read and write will be done only if addresses are available
1021	*/
1022	if (pThis->szParportName)
1023	{
1024	rc = RTFileOpen(&pThis->hWinFileDevice, (char *)pThis->szParportName,
1025	RTFILE_O_READWRITE \| RTFILE_O_OPEN \| RTFILE_O_DENY_NONE);
1026	LogFlowFunc(("RTFileOpen Return = %d\n", rc));
1027	}
1028	#endif
1029	return VINF_SUCCESS;
1030	}
1031
1032
1033	/**
1034	* Char driver registration record.
1035	*/
1036	const PDMDRVREG g_DrvHostParallel =
1037	{
1038	/* u32Version */
1039	PDM_DRVREG_VERSION,
1040	/* szName */
1041	"HostParallel",
1042	/* szRCMod */
1043	"",
1044	/* szR0Mod */
1045	"VBoxDDR0.r0",
1046	/* pszDescription */
1047	"Parallel host driver.",
1048	/* fFlags */
1049	# if defined(VBOX_WITH_WIN_PARPORT_SUP)
1050	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT \| PDM_DRVREG_FLAGS_R0,
1051	# else
1052	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
1053	# endif
1054	/* fClass. */
1055	PDM_DRVREG_CLASS_CHAR,
1056	/* cMaxInstances */
1057	~0U,
1058	/* cbInstance */
1059	sizeof(DRVHOSTPARALLEL),
1060	/* pfnConstruct */
1061	drvHostParallelConstruct,
1062	/* pfnDestruct */
1063	drvHostParallelDestruct,
1064	/* pfnRelocate */
1065	NULL,
1066	/* pfnIOCtl */
1067	NULL,
1068	/* pfnPowerOn */
1069	NULL,
1070	/* pfnReset */
1071	NULL,
1072	/* pfnSuspend */
1073	NULL,
1074	/* pfnResume */
1075	NULL,
1076	/* pfnAttach */
1077	NULL,
1078	/* pfnDetach */
1079	NULL,
1080	/* pfnPowerOff */
1081	NULL,
1082	/* pfnSoftReset */
1083	NULL,
1084	/* u32EndVersion */
1085	PDM_DRVREG_VERSION
1086	};
1087	#endif /IN_RING3/
1088
1089

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source: vbox/trunk/src/VBox/Devices/Parallel/DrvHostParallel.cpp@ 43383

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