DevSmc.cpp@ 89692

Last change on this file since 89692 was 87284, checked in by vboxsync, 4 years ago
DevSmc: Adjustments for bugref:9898.
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1	/* $Id: DevSmc.cpp 87284 2021-01-15 20:50:20Z vboxsync $ */
2	/** @file
3	* DevSmc - Apple System Management Controller.
4	*
5	* The SMC is controlling power, fans, take measurements (voltage, temperature,
6	* fan speed, ++), and lock Mac OS X to Apple hardware. For more details see:
7	* - http://en.wikipedia.org/wiki/System_Management_Controller
8	* - http://www.parhelia.ch/blog/statics/k3_keys.html
9	* - http://www.nosuchcon.org/talks/D1_02_Alex_Ninjas_and_Harry_Potter.pdf
10	*/
11
12	/*
13	* Copyright (C) 2013-2020 Oracle Corporation
14	*
15	* This file is part of VirtualBox Open Source Edition (OSE), as
16	* available from http://www.virtualbox.org. This file is free software;
17	* you can redistribute it and/or modify it under the terms of the GNU
18	* General Public License (GPL) as published by the Free Software
19	* Foundation, in version 2 as it comes in the "COPYING" file of the
20	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
21	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
22	*/
23
24
25	/*********************************************************************************************************************************
26	* Header Files *
27	*********************************************************************************************************************************/
28	#define LOG_GROUP LOG_GROUP_DEV_SMC
29	#include <VBox/vmm/pdmdev.h>
30	#include <VBox/log.h>
31	#include <VBox/err.h>
32	#include <iprt/assert.h>
33	#include <iprt/string.h>
34	#if defined(IN_RING0) && (defined(RT_ARCH_AMD64) \|\| defined(RT_ARCH_X86))
35	# include <iprt/asm-amd64-x86.h>
36	# include <iprt/once.h>
37	#endif
38	#if defined(RT_OS_DARWIN) && defined(IN_RING3) && !defined(VBOX_DEVICE_STRUCT_TESTCASE) /* drags in bad PAGE_SIZE */
39	# include "IOKit/IOKitLib.h"
40	#endif
41
42	#include "VBoxDD.h"
43
44
45	/*********************************************************************************************************************************
46	* Defined Constants And Macros *
47	*********************************************************************************************************************************/
48	/** The current version of the saved state. */
49	#define SMC_SAVED_STATE_VERSION 1 /** @todo later 2 */
50	/** Empty saved state version. */
51	#define SMC_SAVED_STATE_VERSION_BAKA 1
52
53	/** The ring-0 operation number that attempts to get OSK0 and OSK1 from the real
54	* SMC. */
55	#define SMC_CALLR0_READ_OSK 1
56
57
58	/** @name Apple SMC port and register definitions.
59	* @{ */
60
61	/** The first Apple SMC port. */
62	#define SMC_PORT_FIRST 0x0300
63	/** The number of registers (also ports). */
64	#define SMC_REG_COUNT 0x0020
65
66	/** The data register. */
67	#define SMC_REG_DATA 0x00
68	#define SMC_PORT_DATA (SMC_PORT_FIRST + SMC_REG_DATA)
69
70	/** The command register. */
71	#define SMC_REG_CMD 0x04
72	#define SMC_PORT_CMD (SMC_PORT_FIRST + SMC_REG_CMD)
73
74	/** Status code register. */
75	#define SMC_REG_STATUS_CODE 0x1e
76	#define SMC_PORT_STATUS_CODE (SMC_PORT_FIRST + SMC_REG_STATUS_CODE)
77	/** @} */
78
79	/** @name Apple SMC Commands.
80	* @{ */
81	#define SMC_CMD_GET_KEY_VALUE 0x10
82	#define SMC_CMD_PUT_KEY 0x11
83	#define SMC_CMD_GET_KEY_BY_INDEX 0x12
84	#define SMC_CMD_GET_KEY_INFO 0x13
85	/** @} */
86
87	/** @name Apple SMC Status Codes.
88	* @{ */
89	#define SMC_STATUS_CD_SUCCESS UINT8_C(0x00)
90	#define SMC_STATUS_CD_COMM_COLLISION UINT8_C(0x80)
91	#define SMC_STATUS_CD_SPURIOUS_DATA UINT8_C(0x81)
92	#define SMC_STATUS_CD_BAD_COMMAND UINT8_C(0x82)
93	#define SMC_STATUS_CD_BAD_PARAMETER UINT8_C(0x83)
94	#define SMC_STATUS_CD_KEY_NOT_FOUND UINT8_C(0x84)
95	#define SMC_STATUS_CD_KEY_NOT_READABLE UINT8_C(0x85)
96	#define SMC_STATUS_CD_KEY_NOT_WRITABLE UINT8_C(0x86)
97	#define SMC_STATUS_CD_KEY_SIZE_MISMATCH UINT8_C(0x87)
98	#define SMC_STATUS_CD_FRAMING_ERROR UINT8_C(0x88)
99	#define SMC_STATUS_CD_BAD_ARGUMENT_ERROR UINT8_C(0x89)
100	#define SMC_STATUS_CD_TIMEOUT_ERROR UINT8_C(0xb7)
101	#define SMC_STATUS_CD_KEY_INDEX_RANGE_ERROR UINT8_C(0xb8)
102	#define SMC_STATUS_CD_BAD_FUNC_PARAMETER UINT8_C(0xc0)
103	#define SMC_STATUS_CD_EVENT_BUFF_WRONG_ORDER UINT8_C(0x??)
104	#define SMC_STATUS_CD_EVENT_BUFF_READ_ERROR UINT8_C(0x??)
105	#define SMC_STATUS_CD_DEVICE_ACCESS_ERROR UINT8_C(0xc7)
106	#define SMC_STATUS_CD_UNSUPPORTED_FEATURE UINT8_C(0xcb)
107	#define SMC_STATUS_CD_SMB_ACCESS_ERROR UINT8_C(0xcc)
108	/** @} */
109
110	/** @name Apple SMC Key Attributes.
111	* @{ */
112	#define SMC_KEY_ATTR_PRIVATE UINT8_C(0x01)
113	#define SMC_KEY_ATTR_UKN_0x02 UINT8_C(0x02)
114	#define SMC_KEY_ATTR_UKN_0x04 UINT8_C(0x04)
115	#define SMC_KEY_ATTR_CONST UINT8_C(0x08)
116	#define SMC_KEY_ATTR_FUNCTION UINT8_C(0x10)
117	#define SMC_KEY_ATTR_UKN_0x20 UINT8_C(0x20)
118	#define SMC_KEY_ATTR_WRITE UINT8_C(0x40)
119	#define SMC_KEY_ATTR_READ UINT8_C(0x80)
120	/** @} */
121
122
123	/** The index of the first enumerable key in g_aSmcKeys. */
124	#define SMC_KEYIDX_FIRST_ENUM 2
125
126	/** Macro for emitting a static DEVSMC4CHID initializer. */
127	#define SMC4CH(ch1, ch2, ch3, ch4) { { ch1, ch2, ch3, ch4 } }
128
129	/**
130	* Macro for comparing DEVSMC4CHID with a string value.
131	* @returns true if equal, false if not.
132	*/
133	#define SMC4CH_EQ(a_pSmcKey, a_sz4) ( (a_pSmcKey)->u32 == RT_MAKE_U32_FROM_U8(a_sz4[0], a_sz4[1], a_sz4[2], a_sz4[3]) )
134
135	/** Indicates the we want a 2.x SMC. */
136	#define VBOX_WITH_SMC_2_x
137
138
139	/*********************************************************************************************************************************
140	* Structures and Typedefs *
141	*********************************************************************************************************************************/
142
143	/**
144	* 4 char identifier
145	*/
146	typedef union DEVSMC4CHID
147	{
148	/** Byte view. */
149	uint8_t ab[4];
150	/** 32-bit unsigned integer view. */
151	uint32_t u32;
152	} DEVSMC4CHID;
153
154
155	/**
156	* Current key data area for communicating with the guest.
157	*/
158	typedef struct DEVSMCCURKEY
159	{
160	/** The key. */
161	DEVSMC4CHID Key;
162	/** The data type. */
163	DEVSMC4CHID Type;
164	/** Key attributes. */
165	uint8_t fAttr;
166	/** The value length. */
167	uint8_t cbValue;
168	uint8_t abAlignment[2];
169	/**
170	* The value union. 32 bytes is probably sufficient here, but we provide a
171	* little more room since it doesn't cost us anything. */
172	union
173	{
174	/** Byte view. */
175	uint8_t ab[128];
176	/** 16-bit view. */
177	uint16_t u16;
178	/** 32-bit view. */
179	uint32_t u32;
180	} Value;
181	} DEVSMCCURKEY;
182	AssertCompileSize(DEVSMCCURKEY, 128+12);
183	/** Pointer to the current key buffer. */
184	typedef DEVSMCCURKEY *PDEVSMCCURKEY;
185	/** Const pointer to the current key buffer. */
186	typedef DEVSMCCURKEY const *PCDEVSMCCURKEY;
187
188
189	/**
190	* The device
191	*/
192	typedef struct DEVSMC
193	{
194	/** The current command (SMC_PORT_CMD write). */
195	uint8_t bCmd;
196	/** Current key offset. */
197	uint8_t offKey;
198	/** Current value offset. */
199	uint8_t offValue;
200	/** Number of keys in the aKeys array. */
201	uint8_t cKeys;
202
203	/** The current key data the user is accessing. */
204	DEVSMCCURKEY CurKey;
205
206	/**
207	* Generic read/write register values.
208	*
209	* The DATA register entry is not used at all. The CMD register entry contains
210	* the state value.
211	*/
212	union
213	{
214	/** Index register view. */
215	uint8_t abRegsRW[SMC_REG_COUNT];
216	/** Named register view. */
217	struct
218	{
219	uint8_t abUnknown0[0x04];
220	/** The current state (SMC_PORT_CMD read). */
221	uint8_t bState;
222	uint8_t abUnknown1[0x1e - 0x05];
223	/** The current status code (SMC_PORT_STATUS_CODE). */
224	uint8_t bStatusCode;
225	uint8_t abUnknown2[1];
226	} s;
227	} u;
228
229	/** @name Key data.
230	* @{ */
231	/** OSK0 and OSK1. */
232	char szOsk0And1[64+1];
233	/** $Num - unknown function. */
234	uint8_t bDollaryNumber;
235	/** MSSD - shutdown reason. */
236	uint8_t bShutdownReason;
237	/** NATJ - Ninja action timer job. */
238	uint8_t bNinjaActionTimerJob;
239	/** @} */
240
241	/** The I/O port registration handle. */
242	IOMIOPORTHANDLE hIoPorts;
243	} DEVSMC;
244	#ifndef _MSC_VER
245	AssertCompileMembersAtSameOffset(DEVSMC, u.abRegsRW[SMC_REG_CMD], DEVSMC, u.s.bState);
246	AssertCompileMembersAtSameOffset(DEVSMC, u.abRegsRW[SMC_REG_STATUS_CODE], DEVSMC, u.s.bStatusCode);
247	#endif
248
249	/** Pointer to the SMC state. */
250	typedef DEVSMC *PDEVSMC;
251
252	#ifndef VBOX_DEVICE_STRUCT_TESTCASE
253
254
255	/**
256	* Method for retriving the key value and/or optionally also attributes.
257	*
258	* @returns Apple SMC Status Code.
259	* @param pThis The SMC instance data.
260	* @param pCurKey The current key structure (input / output).
261	* @param bCmd The current command (mostly for getters that also
262	* provides attributes or type info).
263	* @param pKeyDesc Pointer to the key descriptor so that the getter can
264	* service more than once key.
265	*/
266	typedef DECLCALLBACKTYPE(uint8_t, FNDEVSMCKEYGETTER,(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd,
267	struct DEVSMCKEYDESC const *pKeyDesc));
268
269	/**
270	* Method for setting the key value.
271	*
272	* @returns Apple SMC Status Code.
273	* @param pThis The SMC instance data.
274	* @param pCurKey The current key structure (input / output).
275	* @param bCmd The current command (currently not relevant).
276	* @param pKeyDesc Pointer to the key descriptor so that the getter can
277	* service more than once key.
278	*/
279	typedef DECLCALLBACKTYPE(uint8_t, FNDEVSMCKEYPUTTER,(PDEVSMC pThis, PCDEVSMCCURKEY pCurKey, uint8_t bCmd,
280	struct DEVSMCKEYDESC const *pKeyDesc));
281
282	/**
283	* Key descriptor.
284	*/
285	typedef struct DEVSMCKEYDESC
286	{
287	/** The key 4 character identifier. */
288	DEVSMC4CHID Key;
289	/** Type 4 character identifier. 0 means the getter will set it dynamically. */
290	DEVSMC4CHID Type;
291	/** Getter method, see FNDEVSMCKEYGETTER. */
292	FNDEVSMCKEYGETTER *pfnGet;
293	/** Putter method, see FNDEVSMCKEYPUTTER. */
294	FNDEVSMCKEYPUTTER *pfnPut;
295	/** The keyvalue size. If 0 the pfnGet/pfnPut will define/check the size. */
296	uint8_t cbValue;
297	/** Attributes. 0 means the getter will set it dynamically. */
298	uint8_t fAttr;
299	} DEVSMCKEYDESC;
300	/** Pointer to a constant SMC key descriptor. */
301	typedef DEVSMCKEYDESC const *PCDEVSMCKEYDESC;
302
303
304	/*********************************************************************************************************************************
305	* Internal Functions *
306	*********************************************************************************************************************************/
307	static FNDEVSMCKEYGETTER scmKeyGetOSKs;
308	static FNDEVSMCKEYGETTER scmKeyGetKeyCount;
309	static FNDEVSMCKEYGETTER scmKeyGetRevision;
310	#ifdef VBOX_WITH_SMC_2_x
311	static FNDEVSMCKEYGETTER scmKeyGetDollarAddress;
312	static FNDEVSMCKEYGETTER scmKeyGetDollarNumber;
313	static FNDEVSMCKEYPUTTER scmKeyPutDollarNumber;
314	#endif
315	static FNDEVSMCKEYGETTER scmKeyGetShutdownReason;
316	static FNDEVSMCKEYPUTTER scmKeyPutShutdownReason;
317	static FNDEVSMCKEYGETTER scmKeyGetNinjaTimerAction;
318	static FNDEVSMCKEYPUTTER scmKeyPutNinjaTimerAction;
319	static FNDEVSMCKEYGETTER scmKeyGetOne;
320	static FNDEVSMCKEYGETTER scmKeyGetZero;
321
322
323	/*********************************************************************************************************************************
324	* Global Variables *
325	*********************************************************************************************************************************/
326	/**
327	* Apple SMC key descriptor table.
328	*/
329	static const DEVSMCKEYDESC g_aSmcKeys[] =
330	{
331	/* Non-enum keys first. */
332	{ SMC4CH('O','S','K','0'), SMC4CH('c','h','8','*'), scmKeyGetOSKs, NULL, 32, SMC_KEY_ATTR_READ \| SMC_KEY_ATTR_FUNCTION },
333	{ SMC4CH('O','S','K','1'), SMC4CH('c','h','8','*'), scmKeyGetOSKs, NULL, 32, SMC_KEY_ATTR_READ \| SMC_KEY_ATTR_FUNCTION },
334
335	/* The first enum key is the #KEY value. */
336	{ SMC4CH('#','K','E','Y'), SMC4CH('u','i','3','2'), scmKeyGetKeyCount, NULL, 4, SMC_KEY_ATTR_READ },
337	# ifdef VBOX_WITH_SMC_2_x
338	{ SMC4CH('$','A','d','r'), SMC4CH('u','i','3','2'), scmKeyGetDollarAddress, NULL, 4, SMC_KEY_ATTR_READ },
339	{ SMC4CH('$','N','u','m'), SMC4CH('u','i','8',' '), scmKeyGetDollarNumber, scmKeyPutDollarNumber, 1, SMC_KEY_ATTR_READ \| SMC_KEY_ATTR_WRITE \| SMC_KEY_ATTR_PRIVATE },
340	{ SMC4CH('B','E','M','B'), SMC4CH('f','l','a','g'), scmKeyGetOne, NULL, 1, SMC_KEY_ATTR_READ },
341	# else
342	{ SMC4CH('L','S','O','F'), SMC4CH('f','l','a','g'), scmKeyGetZero, NULL, 1, SMC_KEY_ATTR_READ },
343	# endif
344	{ SMC4CH('M','S','S','D'), SMC4CH('s','i','8',' '), scmKeyGetShutdownReason, scmKeyPutShutdownReason, 1, SMC_KEY_ATTR_READ \| SMC_KEY_ATTR_WRITE \| SMC_KEY_ATTR_PRIVATE },
345	/* MSDS is not present on MacPro3,1 nor MacBookPro10,1, so returning not found is fine. */
346	# ifdef VBOX_WITH_SMC_2_x
347	{ SMC4CH('M','S','T','f'), SMC4CH('u','i','8',' '), scmKeyGetZero, NULL, 1, SMC_KEY_ATTR_READ },
348	# endif
349	{ SMC4CH('N','A','T','J'), SMC4CH('u','i','8',' '), scmKeyGetNinjaTimerAction, scmKeyPutNinjaTimerAction, 1, SMC_KEY_ATTR_READ \| SMC_KEY_ATTR_WRITE \| SMC_KEY_ATTR_PRIVATE },
350	{ SMC4CH('R','E','V',' '), SMC4CH('{','r','e','v'), scmKeyGetRevision, NULL, 6, SMC_KEY_ATTR_READ },
351	/** @todo MSSP, NTOK and more. */
352	};
353
354	#if defined(IN_RING0) && (defined(RT_ARCH_AMD64) \|\| defined(RT_ARCH_X86))
355
356	/** Do once for the SMC ring-0 static data (g_abOsk0And1, g_fHaveOsk). */
357	static RTONCE g_SmcR0Once = RTONCE_INITIALIZER;
358	/** Indicates whether we've successfully queried the OSK* keys. */
359	static bool g_fHaveOsk = false;
360	/** The OSK0 and OSK1 values. */
361	static uint8_t g_abOsk0And1[32+32];
362
363
364	/**
365	* Waits for the specified state on the host SMC.
366	*
367	* @returns success indicator.
368	* @param bState The desired state.
369	* @param pszWhat What we're currently doing. For the log.
370	*/
371	static bool devR0SmcWaitHostState(uint8_t bState, const char *pszWhat)
372	{
373	uint8_t bCurState = 0; /* (MSC is potentially uninitialized) */
374	for (uint32_t cMsSleep = 1; cMsSleep <= 64; cMsSleep <<= 1)
375	{
376	RTThreadSleep(cMsSleep);
377	bCurState = ASMInU16(SMC_PORT_CMD);
378	if ((bCurState & 0xf) == bState)
379	return true;
380	}
381
382	LogRel(("devR0Smc: %s: bCurState=%#x, wanted %#x.\n", pszWhat, bCurState, bState));
383	#if 0
384	uint8_t bCurStatus2 = ASMInU8(SMC_PORT_STATUS_CODE);
385	uint8_t bCurStatus3 = ASMInU8(SMC_PORT_STATUS_CODE);
386	uint16_t wCurStatus3 = ASMInU16(SMC_PORT_STATUS_CODE);
387	uint32_t dwCurStatus3 = ASMInU32(SMC_PORT_STATUS_CODE);
388	LogRel(("SMC: status2=%#x status3=%#x w=%#x dw=%#x\n", bCurStatus2, bCurStatus3, wCurStatus3, dwCurStatus3));
389	#endif
390	return false;
391	}
392
393
394	/**
395	* Reads a key by name from the host SMC.
396	*
397	* @returns success indicator.
398	* @param pszName The key name, must be exactly 4 chars long.
399	* @param pbBuf The output buffer.
400	* @param cbBuf The buffer size. Max 32 bytes.
401	*/
402	static bool devR0SmcQueryHostKey(const char pszName, uint8_t pbBuf, size_t cbBuf)
403	{
404	Assert(strlen(pszName) == 4);
405	Assert(cbBuf <= 32);
406	Assert(cbBuf > 0);
407
408	/*
409	* Issue the READ command.
410	*/
411	uint32_t cMsSleep = 1;
412	for (;;)
413	{
414	ASMOutU32(SMC_PORT_CMD, SMC_CMD_GET_KEY_VALUE);
415	RTThreadSleep(cMsSleep);
416	uint8_t bCurState = ASMInU8(SMC_PORT_CMD);
417	if ((bCurState & 0xf) == 0xc)
418	break;
419	cMsSleep <<= 1;
420	if (cMsSleep > 64)
421	{
422	LogRel(("devR0Smc: %s: bCurState=%#x, wanted %#x.\n", "cmd", bCurState, 0xc));
423	return false;
424	}
425	}
426
427	/*
428	* Send it the key.
429	*/
430	for (unsigned off = 0; off < 4; off++)
431	{
432	ASMOutU8(SMC_PORT_DATA, pszName[off]);
433	if (!devR0SmcWaitHostState(4, "key"))
434	return false;
435	}
436
437	/*
438	* The desired amount of output.
439	*/
440	ASMOutU8(SMC_PORT_DATA, (uint8_t)cbBuf);
441
442	/*
443	* Read the output.
444	*/
445	for (size_t off = 0; off < cbBuf; off++)
446	{
447	if (!devR0SmcWaitHostState(5, off ? "data" : "len"))
448	return false;
449	pbBuf[off] = ASMInU8(SMC_PORT_DATA);
450	}
451
452	LogRel(("SMC: pbBuf=%.*s\n", cbBuf, pbBuf));
453	return true;
454	}
455
456
457	/**
458	* RTOnce callback that initializes g_fHaveOsk and g_abOsk0And1.
459	*
460	* @returns VINF_SUCCESS.
461	* @param pvUserIgnored Ignored.
462	*/
463	static DECLCALLBACK(int) devR0SmcInitOnce(void *pvUserIgnored)
464	{
465	g_fHaveOsk = devR0SmcQueryHostKey("OSK0", &g_abOsk0And1[0], 32)
466	&& devR0SmcQueryHostKey("OSK1", &g_abOsk0And1[32], 32);
467
468	#if 0
469	/*
470	* Dump the device registers.
471	*/
472	for (uint16_t uPort = 0x300; uPort < 0x320; uPort ++)
473	LogRel(("SMC: %#06x=%#010x w={%#06x, %#06x}, b={%#04x %#04x %#04x %#04x}\n", uPort,
474	ASMInU32(uPort), ASMInU16(uPort), ASMInU16(uPort + 2),
475	ASMInU8(uPort), ASMInU8(uPort + 1), ASMInU8(uPort +2), ASMInU8(uPort + 3) ));
476	#endif
477
478	NOREF(pvUserIgnored);
479	return VINF_SUCCESS;
480	}
481
482
483	/**
484	* @interface_method_impl{PDMDEVREGR0,pfnRequest}
485	*/
486	static DECLCALLBACK(int) devR0SmcReqHandler(PPDMDEVINS pDevIns, uint32_t uReq, uint64_t uArg)
487	{
488	PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
489	int rc = VERR_INVALID_FUNCTION;
490	RT_NOREF_PV(uArg);
491
492	if (uReq == SMC_CALLR0_READ_OSK)
493	{
494	rc = RTOnce(&g_SmcR0Once, devR0SmcInitOnce, NULL);
495	if ( RT_SUCCESS(rc)
496	&& g_fHaveOsk)
497	{
498	AssertCompile(sizeof(g_abOsk0And1) + 1 == sizeof(pThis->szOsk0And1));
499	memcpy(pThis->szOsk0And1, g_abOsk0And1, sizeof(pThis->szOsk0And1) - 1);
500	pThis->szOsk0And1[sizeof(pThis->szOsk0And1) - 1] = '\0';
501	}
502	}
503	return rc;
504	}
505
506	#endif /* IN_RING0 && (AMD64 \|\| X86) */
507
508	#if defined(IN_RING3) && defined(RT_OS_DARWIN)
509
510	/**
511	* Preferred method to retrieve the SMC key.
512	*
513	* @param pabKey where to store the key.
514	* @param cbKey size of the buffer.
515	*/
516	static int getSmcKeyOs(char *pabKey, uint32_t cbKey)
517	{
518	/*
519	* Method as described in Amit Singh's article:
520	* http://osxbook.com/book/bonus/chapter7/tpmdrmmyth/
521	*/
522	typedef struct
523	{
524	uint32_t key;
525	uint8_t pad0[22];
526	uint32_t datasize;
527	uint8_t pad1[10];
528	uint8_t cmd;
529	uint32_t pad2;
530	uint8_t data[32];
531	} AppleSMCBuffer;
532
533	AssertReturn(cbKey >= 65, VERR_INTERNAL_ERROR);
534
535	io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault,
536	IOServiceMatching("AppleSMC"));
537	if (!service)
538	return VERR_NOT_FOUND;
539
540	io_connect_t port = (io_connect_t)0;
541	kern_return_t kr = IOServiceOpen(service, mach_task_self(), 0, &port);
542	IOObjectRelease(service);
543
544	if (kr != kIOReturnSuccess)
545	return RTErrConvertFromDarwin(kr);
546
547	AppleSMCBuffer inputStruct = { 0, {0}, 32, {0}, 5, };
548	AppleSMCBuffer outputStruct;
549	size_t cbOutputStruct = sizeof(outputStruct);
550
551	for (int i = 0; i < 2; i++)
552	{
553	inputStruct.key = (uint32_t)(i == 0 ? 'OSK0' : 'OSK1');
554	kr = IOConnectCallStructMethod((mach_port_t)port,
555	(uint32_t)2,
556	(const void *)&inputStruct,
557	sizeof(inputStruct),
558	(void *)&outputStruct,
559	&cbOutputStruct);
560	if (kr != kIOReturnSuccess)
561	{
562	IOServiceClose(port);
563	return RTErrConvertFromDarwin(kr);
564	}
565
566	for (int j = 0; j < 32; j++)
567	pabKey[j + i*32] = outputStruct.data[j];
568	}
569
570	IOServiceClose(port);
571
572	pabKey[64] = 0;
573
574	return VINF_SUCCESS;
575	}
576
577	#endif /* IN_RING3 && RT_OS_DARWIN */
578
579
580	/** @callback_method_impl{FNDEVSMCKEYGETTER, OSK0 and OSK1} */
581	static DECLCALLBACK(uint8_t) scmKeyGetOSKs(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
582	{
583	RT_NOREF1(bCmd);
584	Assert(SMC4CH_EQ(&pKeyDesc->Key, "OSK0") \|\| SMC4CH_EQ(&pKeyDesc->Key, "OSK1"));
585	const char *pszSrc = pThis->szOsk0And1;
586	if (SMC4CH_EQ(&pKeyDesc->Key, "OSK1"))
587	pszSrc += 32;
588	memcpy(pCurKey->Value.ab, pszSrc, 32);
589	return SMC_STATUS_CD_SUCCESS;
590	}
591
592
593	/** @callback_method_impl{FNDEVSMCKEYGETTER, \#KEY} */
594	static DECLCALLBACK(uint8_t) scmKeyGetKeyCount(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
595	{
596	RT_NOREF3(pThis, bCmd, pKeyDesc);
597	Assert(pKeyDesc == &g_aSmcKeys[SMC_KEYIDX_FIRST_ENUM]);
598	uint32_t cKeys = RT_ELEMENTS(g_aSmcKeys) - SMC_KEYIDX_FIRST_ENUM;
599	pCurKey->Value.u32 = RT_H2BE_U32(cKeys);
600	return SMC_STATUS_CD_SUCCESS;
601	}
602
603
604	/** @callback_method_impl{FNDEVSMCKEYGETTER, REV - Source revision.} */
605	static DECLCALLBACK(uint8_t) scmKeyGetRevision(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
606	{
607	RT_NOREF3(pThis, bCmd, pKeyDesc);
608	#ifdef VBOX_WITH_SMC_2_x
609	pCurKey->Value.ab[0] = 0x02;
610	pCurKey->Value.ab[1] = 0x03;
611	pCurKey->Value.ab[2] = 0x0f;
612	pCurKey->Value.ab[3] = 0x00;
613	pCurKey->Value.ab[4] = 0x00;
614	pCurKey->Value.ab[5] = 0x35;
615	#else
616	pCurKey->Value.ab[0] = 0x01;
617	pCurKey->Value.ab[1] = 0x25;
618	pCurKey->Value.ab[2] = 0x0f;
619	pCurKey->Value.ab[3] = 0x00;
620	pCurKey->Value.ab[4] = 0x00;
621	pCurKey->Value.ab[5] = 0x04;
622	#endif
623	return SMC_STATUS_CD_SUCCESS;
624	}
625
626	#ifdef VBOX_WITH_SMC_2_x
627
628	/** @callback_method_impl{FNDEVSMCKEYGETTER, $Adr - SMC address.} */
629	static DECLCALLBACK(uint8_t) scmKeyGetDollarAddress(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
630	{
631	RT_NOREF3(pThis, bCmd, pKeyDesc);
632	pCurKey->Value.u32 = RT_H2BE_U32(SMC_PORT_FIRST);
633	return VINF_SUCCESS;
634	}
635
636
637	/** @callback_method_impl{FNDEVSMCKEYGETTER, $Num - Some kind of number.} */
638	static DECLCALLBACK(uint8_t) scmKeyGetDollarNumber(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
639	{
640	RT_NOREF2(bCmd, pKeyDesc);
641	pCurKey->Value.ab[0] = pThis->bDollaryNumber;
642	return VINF_SUCCESS;
643	}
644
645	/** @callback_method_impl{FNDEVSMCKEYPUTTER, $Num - Some kind of number.} */
646	static DECLCALLBACK(uint8_t) scmKeyPutDollarNumber(PDEVSMC pThis, PCDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
647	{
648	RT_NOREF2(bCmd, pKeyDesc);
649	Log(("scmKeyPutDollarNumber: %#x -> %#x\n", pThis->bDollaryNumber, pCurKey->Value.ab[0]));
650	pThis->bDollaryNumber = pCurKey->Value.ab[0];
651	return VINF_SUCCESS;
652	}
653
654	#endif /* VBOX_WITH_SMC_2_x */
655
656	/** @callback_method_impl{FNDEVSMCKEYGETTER, MSSD - Machine Shutdown reason.} */
657	static DECLCALLBACK(uint8_t) scmKeyGetShutdownReason(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
658	{
659	RT_NOREF2(bCmd, pKeyDesc);
660	pCurKey->Value.ab[0] = pThis->bShutdownReason;
661	return SMC_STATUS_CD_SUCCESS;
662	}
663
664
665	/** @callback_method_impl{FNDEVSMCKEYPUTTER, MSSD - Machine Shutdown reason.} */
666	static DECLCALLBACK(uint8_t) scmKeyPutShutdownReason(PDEVSMC pThis, PCDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
667	{
668	RT_NOREF2(bCmd, pKeyDesc);
669	Log(("scmKeyPutShutdownReason: %#x -> %#x\n", pThis->bShutdownReason, pCurKey->Value.ab[0]));
670	pThis->bShutdownReason = pCurKey->Value.ab[0];
671	return SMC_STATUS_CD_SUCCESS;
672	}
673
674
675	/** @callback_method_impl{FNDEVSMCKEYGETTER, MSSD - Ninja timer action job.} */
676	static DECLCALLBACK(uint8_t)
677	scmKeyGetNinjaTimerAction(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
678	{
679	RT_NOREF2(bCmd, pKeyDesc);
680	pCurKey->Value.ab[0] = pThis->bNinjaActionTimerJob;
681	return SMC_STATUS_CD_SUCCESS;
682	}
683
684
685	/** @callback_method_impl{FNDEVSMCKEYPUTTER, NATJ - Ninja timer action job.} */
686	static DECLCALLBACK(uint8_t)
687	scmKeyPutNinjaTimerAction(PDEVSMC pThis, PCDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
688	{
689	RT_NOREF2(bCmd, pKeyDesc);
690	Log(("scmKeyPutNinjaTimerAction: %#x -> %#x\n", pThis->bNinjaActionTimerJob, pCurKey->Value.ab[0]));
691	pThis->bNinjaActionTimerJob = pCurKey->Value.ab[0];
692	return SMC_STATUS_CD_SUCCESS;
693	}
694
695	#ifdef VBOX_WITH_SMC_2_x
696
697	/** @callback_method_impl{FNDEVSMCKEYGETTER, Generic one getter.} */
698	static DECLCALLBACK(uint8_t) scmKeyGetOne(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
699	{
700	RT_NOREF2(pThis, bCmd);
701	memset(&pCurKey->Value.ab[0], 0, pKeyDesc->cbValue);
702	pCurKey->Value.ab[pKeyDesc->cbValue - 1] = 1;
703	return SMC_STATUS_CD_SUCCESS;
704	}
705
706	#endif /* VBOX_WITH_SMC_2_x */
707
708	/** @callback_method_impl{FNDEVSMCKEYGETTER, Generic zero getter.} */
709	static DECLCALLBACK(uint8_t) scmKeyGetZero(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
710	{
711	RT_NOREF2(pThis, bCmd);
712	memset(&pCurKey->Value.ab[0], 0, pKeyDesc->cbValue);
713	return SMC_STATUS_CD_SUCCESS;
714	}
715
716
717	/**
718	* Looks up a key and copies its value and attributes into the CurKey.
719	*
720	* @returns Key index on success, UINT32_MAX on failure.
721	* @param uKeyValue The key value (DEVSMC4CHID.u32).
722	*/
723	static uint32_t smcKeyLookup(uint32_t uKeyValue)
724	{
725	uint32_t iKey = RT_ELEMENTS(g_aSmcKeys);
726	while (iKey-- > 0)
727	if (g_aSmcKeys[iKey].Key.u32 == uKeyValue)
728	return iKey;
729	return UINT32_MAX;
730	}
731
732
733	/**
734	* Looks up a key and copies its value and attributes into the CurKey.
735	*
736	* @returns Apple SMC Status Code.
737	* @param pThis The SMC instance data.
738	*/
739	static uint8_t smcKeyGetByName(PDEVSMC pThis)
740	{
741	uint8_t bRc;
742	#ifdef LOG_ENABLED
743	uint32_t const uKeyValueLog = RT_H2LE_U32(pThis->CurKey.Key.u32);
744	#endif
745	uint32_t iKey = smcKeyLookup(pThis->CurKey.Key.u32);
746	if (iKey != UINT32_MAX)
747	{
748	if ( g_aSmcKeys[iKey].cbValue == pThis->CurKey.cbValue
749	\|\| !g_aSmcKeys[iKey].cbValue)
750	{
751	pThis->CurKey.Type = g_aSmcKeys[iKey].Type;
752	pThis->CurKey.fAttr = g_aSmcKeys[iKey].fAttr;
753	RT_ZERO(pThis->CurKey.Value);
754	if (g_aSmcKeys[iKey].pfnGet)
755	{
756	bRc = g_aSmcKeys[iKey].pfnGet(pThis, &pThis->CurKey, pThis->bCmd, &g_aSmcKeys[iKey]);
757	if (bRc == SMC_STATUS_CD_SUCCESS)
758	{
759	LogFlow(("smcKeyGetByName: key=%4.4s value=%.*Rhxs\n",
760	&uKeyValueLog, pThis->CurKey.cbValue, &pThis->CurKey.Value));
761	return SMC_STATUS_CD_SUCCESS;
762	}
763
764	Log(("smcKeyGetByName: key=%4.4s getter failed! bRc=%#x\n", &uKeyValueLog, bRc));
765	}
766	else
767	{
768	Log(("smcKeyGetByName: key=%4.4s is not readable!\n", &uKeyValueLog));
769	bRc = SMC_STATUS_CD_KEY_NOT_READABLE;
770	}
771	}
772	else
773	{
774	Log(("smcKeyGetByName: Wrong value size; user=%#x smc=%#x key=%4.4s !\n",
775	pThis->CurKey.cbValue, g_aSmcKeys[iKey].cbValue, &uKeyValueLog));
776	bRc = SMC_STATUS_CD_KEY_SIZE_MISMATCH;
777	}
778	}
779	else
780	{
781	Log(("smcKeyGetByName: Key not found! key=%4.4s size=%#x\n", &uKeyValueLog, pThis->CurKey.cbValue));
782	bRc = SMC_STATUS_CD_KEY_NOT_FOUND;
783	}
784
785	RT_ZERO(pThis->CurKey);
786	return bRc;
787	}
788
789
790	/**
791	* Looks up a key by index and copies its name (and attributes) into the CurKey.
792	*
793	* @returns Apple SMC Status Code.
794	* @param pThis The SMC instance data.
795	*/
796	static uint8_t smcKeyGetByIndex(PDEVSMC pThis)
797	{
798	uint8_t bRc;
799	uint32_t iKey = RT_BE2H_U32(pThis->CurKey.Key.u32);
800	if (iKey < RT_ELEMENTS(g_aSmcKeys) - SMC_KEYIDX_FIRST_ENUM)
801	{
802	pThis->CurKey.Key = g_aSmcKeys[iKey].Key;
803	pThis->CurKey.Type = g_aSmcKeys[iKey].Type;
804	pThis->CurKey.fAttr = g_aSmcKeys[iKey].fAttr;
805	pThis->CurKey.cbValue = g_aSmcKeys[iKey].cbValue;
806	RT_ZERO(pThis->CurKey.Value);
807	Log(("smcKeyGetByIndex: %#x -> %c%c%c%c\n", iKey,
808	pThis->CurKey.Key.ab[3], pThis->CurKey.Key.ab[2], pThis->CurKey.Key.ab[1], pThis->CurKey.Key.ab[0]));
809	bRc = SMC_STATUS_CD_SUCCESS;
810	}
811	else
812	{
813	Log(("smcKeyGetByIndex: Key out or range: %#x, max %#x\n", iKey, RT_ELEMENTS(g_aSmcKeys) - SMC_KEYIDX_FIRST_ENUM));
814	bRc = SMC_STATUS_CD_KEY_NOT_FOUND;
815	}
816	return bRc;
817	}
818
819
820	/**
821	* Looks up a key by index and copies its attributes into the CurKey.
822	*
823	* @returns Apple SMC Status Code.
824	* @param pThis The SMC instance data.
825	*/
826	static uint8_t smcKeyGetAttrByName(PDEVSMC pThis)
827	{
828	uint8_t bRc;
829	#ifdef LOG_ENABLED
830	uint32_t const uKeyValueLog = RT_H2LE_U32(pThis->CurKey.Key.u32);
831	#endif
832	uint32_t iKey = smcKeyLookup(pThis->CurKey.Key.u32);
833	if (iKey != UINT32_MAX)
834	{
835	pThis->CurKey.Type = g_aSmcKeys[iKey].Type;
836	pThis->CurKey.fAttr = g_aSmcKeys[iKey].fAttr;
837	pThis->CurKey.cbValue = g_aSmcKeys[iKey].cbValue;
838	RT_ZERO(pThis->CurKey.Value);
839	if (g_aSmcKeys[iKey].cbValue)
840	bRc = SMC_STATUS_CD_SUCCESS;
841	else
842	bRc = g_aSmcKeys[iKey].pfnGet(pThis, &pThis->CurKey, pThis->bCmd, &g_aSmcKeys[iKey]);
843	if (bRc == SMC_STATUS_CD_SUCCESS)
844	{
845	LogFlow(("smcKeyGetAttrByName: key=%4.4s value=%.*Rhxs\n",
846	&uKeyValueLog, pThis->CurKey.cbValue, &pThis->CurKey.Value));
847	return SMC_STATUS_CD_SUCCESS;
848	}
849
850	Log(("smcKeyGetAttrByName: key=%4.4s getter failed! bRc=%#x\n", &uKeyValueLog, bRc));
851	}
852	else
853	{
854	Log(("smcKeyGetAttrByName: Key not found! key=%4.4s size=%#x\n", &uKeyValueLog, pThis->CurKey.cbValue));
855	bRc = SMC_STATUS_CD_KEY_NOT_FOUND;
856	}
857
858	RT_ZERO(pThis->CurKey);
859	return bRc;
860	}
861
862
863	static uint8_t smcKeyPutPrepare(PDEVSMC pThis)
864	{
865	RT_NOREF1(pThis);
866	return 0;
867	}
868
869	static uint8_t smcKeyPutValue(PDEVSMC pThis)
870	{
871	RT_NOREF1(pThis);
872	return 0;
873	}
874
875
876	/**
877	* Data register read.
878	*
879	* @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
880	* @param uReg The register number.
881	* @param pbValue Where to return the value.
882	*/
883	static VBOXSTRICTRC smcRegData_r(PDEVSMC pThis, uint8_t uReg, uint8_t *pbValue)
884	{
885	RT_NOREF1(uReg);
886	switch (pThis->bCmd)
887	{
888	case SMC_CMD_GET_KEY_VALUE:
889	if ( pThis->u.s.bState == 0x05
890	&& pThis->offValue < pThis->CurKey.cbValue)
891	{
892	*pbValue = pThis->CurKey.Value.ab[pThis->offValue];
893	if (++pThis->offValue >= pThis->CurKey.cbValue)
894	pThis->u.s.bState = 0x00;
895	pThis->u.s.bStatusCode = SMC_STATUS_CD_SUCCESS;
896	}
897	else
898	{
899	Log(("smcRegData_r: Reading too much or at wrong time during SMC_CMD_GET_KEY_INFO! bState=%#x offValue=%#x\n",
900	pThis->u.s.bState, pThis->offValue));
901	pThis->u.s.bState = 0x00;
902	pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA; /** @todo check status code */
903	}
904	break;
905
906	case SMC_CMD_GET_KEY_INFO:
907	if ( pThis->u.s.bState == 0x05
908	&& pThis->offValue < 6)
909	{
910	if (pThis->offValue == 0)
911	*pbValue = pThis->CurKey.cbValue;
912	else if (pThis->offValue < 1 + 4)
913	*pbValue = pThis->CurKey.Type.ab[pThis->offValue - 1];
914	else
915	*pbValue = pThis->CurKey.fAttr;
916	if (++pThis->offValue >= 6)
917	pThis->u.s.bState = 0x00;
918	pThis->u.s.bStatusCode = SMC_STATUS_CD_SUCCESS;
919	}
920	else
921	{
922	Log(("smcRegData_r: Reading too much or at wrong time during SMC_CMD_GET_KEY_INFO! bState=%#x offValue=%#x\n",
923	pThis->u.s.bState, pThis->offValue));
924	pThis->u.s.bState = 0x00;
925	pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA; /** @todo check status code */
926	}
927	break;
928
929	case SMC_CMD_GET_KEY_BY_INDEX:
930	if ( pThis->u.s.bState == 0x05
931	&& pThis->offValue < sizeof(pThis->CurKey.Key))
932	{
933	*pbValue = pThis->CurKey.Key.ab[pThis->offValue];
934	if (++pThis->offValue >= sizeof(pThis->CurKey.Key))
935	pThis->u.s.bState = 0x00;
936	pThis->u.s.bStatusCode = SMC_STATUS_CD_SUCCESS;
937	}
938	else
939	{
940	Log(("smcRegData_r: Reading too much or at wrong time during GET_KEY_BY_INDEX! bState=%#x offValue=%#x\n",
941	pThis->u.s.bState, pThis->offValue));
942	pThis->u.s.bState = 0x00;
943	pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA; /** @todo check status code */
944	}
945	break;
946
947	case SMC_CMD_PUT_KEY:
948	Log(("smcRegData_r: Attempting to read data during PUT_KEY!\n"));
949	*pbValue = 0xff;
950	pThis->u.s.bState = 0;
951	pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA;
952	break;
953
954	default:
955	Log(("smcRegData_r: Unknown command attempts reading data\n"));
956	*pbValue = 0xff;
957	pThis->u.s.bState = 0;
958	pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA;
959	break;
960	}
961
962	return VINF_SUCCESS;
963	}
964
965
966	/**
967	* Data register write.
968	*
969	* @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
970	* @param uReg The register number.
971	* @param bValue The value being written.
972	*/
973	static VBOXSTRICTRC smcRegData_w(PDEVSMC pThis, uint8_t uReg, uint8_t bValue)
974	{
975	RT_NOREF1(uReg);
976	switch (pThis->bCmd)
977	{
978	/*
979	* Get or put key value.
980	*
981	* 5 bytes written, first 4 is the key the 5th is the value size. In
982	* the case of a put the value bytes are then written, while a get will
983	* read the value bytes.
984	*/
985	case SMC_CMD_GET_KEY_VALUE:
986	case SMC_CMD_PUT_KEY:
987	if (pThis->offKey < 4)
988	{
989	/* Key byte. */
990	pThis->CurKey.Key.ab[pThis->offKey++] = bValue;
991	pThis->u.s.bState = 0x04;
992	pThis->u.s.bStatusCode = SMC_STATUS_CD_SUCCESS;
993	}
994	else if (pThis->offKey == 4)
995	{
996	/* Data length. */
997	pThis->u.s.bState = 0;
998	if (bValue <= sizeof(pThis->CurKey.Value))
999	{
1000	pThis->CurKey.cbValue = bValue;
1001	pThis->offKey = 5;
1002	Assert(pThis->offValue == 0);
1003
1004	if (pThis->bCmd == SMC_CMD_GET_KEY_VALUE)
1005	pThis->u.s.bStatusCode = smcKeyGetByName(pThis);
1006	else
1007	pThis->u.s.bStatusCode = smcKeyPutPrepare(pThis);
1008	if (pThis->u.s.bStatusCode == SMC_STATUS_CD_SUCCESS)
1009	pThis->u.s.bState = 0x05;
1010	}
1011	else
1012	{
1013	Log(("smcRegData_w: Guest attempts to get/put too many value bytes: %#x (max %#x)!\n",
1014	bValue, sizeof(pThis->CurKey.Value)));
1015	pThis->u.s.bStatusCode = SMC_STATUS_CD_KEY_SIZE_MISMATCH; /** @todo check this case! */
1016	}
1017	}
1018	else if ( pThis->bCmd == SMC_CMD_PUT_KEY
1019	&& pThis->offValue < pThis->CurKey.cbValue)
1020	{
1021	/* More value bytes for put key action. */
1022	pThis->CurKey.Value.ab[pThis->offValue++] = bValue;
1023	if (pThis->offValue != pThis->CurKey.cbValue)
1024	pThis->u.s.bState = 0x05;
1025	else
1026	{
1027	pThis->u.s.bState = 0x00;
1028	pThis->u.s.bStatusCode = smcKeyPutValue(pThis);
1029	}
1030	}
1031	else
1032	{
1033	Log(("smcRegData_w: Writing too much data on %s command!\n", pThis->bCmd == SMC_CMD_PUT_KEY ? "put" : "get"));
1034	pThis->u.s.bState = 0x00;
1035	pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA;
1036	}
1037	break;
1038
1039	/*
1040	* Get key info and key by index seems to take action after the last
1041	* key char is written. They then both go into a data reading phase.
1042	*/
1043	case SMC_CMD_GET_KEY_INFO:
1044	case SMC_CMD_GET_KEY_BY_INDEX:
1045	if (pThis->offKey < 4)
1046	{
1047	pThis->CurKey.Key.ab[pThis->offKey] = bValue;
1048	if (++pThis->offKey == 4)
1049	{
1050	if (pThis->bCmd == SMC_CMD_GET_KEY_BY_INDEX)
1051	pThis->u.s.bStatusCode = smcKeyGetByIndex(pThis);
1052	else
1053	pThis->u.s.bStatusCode = smcKeyGetAttrByName(pThis);
1054	pThis->u.s.bState = pThis->u.s.bStatusCode == SMC_STATUS_CD_SUCCESS ? 0x05 : 0x00;
1055	}
1056	else
1057	{
1058	pThis->u.s.bState = 0x04;
1059	pThis->u.s.bStatusCode = SMC_STATUS_CD_SUCCESS;
1060	}
1061	}
1062	else
1063	{
1064	Log(("smcRegData_w: Writing data beyond 5th byte on get %s command!\n",
1065	pThis->bCmd == SMC_CMD_GET_KEY_INFO ? "info" : "by index"));
1066	pThis->u.s.bState = 0x00;
1067	pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA;
1068	}
1069	break;
1070
1071	default:
1072	Log(("smcRegData_w: Unknown command %#x!\n", bValue));
1073	pThis->u.s.bState = 0x00; /** @todo Check statuses with real HW. */
1074	pThis->u.s.bStatusCode = SMC_STATUS_CD_BAD_COMMAND;
1075	break;
1076	}
1077	return VINF_SUCCESS;
1078	}
1079
1080
1081	/**
1082	* Command register write.
1083	*
1084	* @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
1085	* @param uReg The register number.
1086	* @param bValue The value being written.
1087	*/
1088	static VBOXSTRICTRC smcRegCmd_w(PDEVSMC pThis, uint8_t uReg, uint8_t bValue)
1089	{
1090	LogFlow(("smcRegCmd_w: New command: %#x (old=%#x)\n", bValue, pThis->bCmd)); NOREF(uReg);
1091
1092	pThis->bCmd = bValue;
1093
1094	/* Validate the command. */
1095	switch (bValue)
1096	{
1097	case SMC_CMD_GET_KEY_VALUE:
1098	case SMC_CMD_PUT_KEY:
1099	case SMC_CMD_GET_KEY_BY_INDEX:
1100	case SMC_CMD_GET_KEY_INFO:
1101	pThis->u.s.bState = 0x0c;
1102	pThis->u.s.bStatusCode = SMC_STATUS_CD_SUCCESS;
1103	break;
1104
1105	default:
1106	Log(("SMC: Unknown command %#x!\n", bValue));
1107	pThis->u.s.bState = 0x00; /** @todo Check state with real HW. */
1108	pThis->u.s.bStatusCode = SMC_STATUS_CD_BAD_COMMAND;
1109	break;
1110	}
1111
1112	/* Reset the value/key related state. */
1113	pThis->offKey = 0;
1114	pThis->offValue = 0;
1115	pThis->CurKey.Key.u32 = 0;
1116	pThis->CurKey.cbValue = 0;
1117
1118	return VINF_SUCCESS;
1119	}
1120
1121
1122	/**
1123	* Generic register write.
1124	*
1125	* @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
1126	* @param uReg The register number.
1127	* @param bValue The value being written.
1128	*/
1129	static VBOXSTRICTRC smcRegGen_w(PDEVSMC pThis, uint8_t uReg, uint8_t bValue)
1130	{
1131	Log(("smcRegGen_w: %#04x: %#x -> %#x (write)\n", uReg, pThis->u.abRegsRW[uReg], bValue));
1132	pThis->u.abRegsRW[uReg] = bValue;
1133	return VINF_SUCCESS;
1134	}
1135
1136
1137	/**
1138	* Read from register that isn't writable and reads as 0xFF.
1139	*
1140	* @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
1141	* @param uReg The register number.
1142	* @param pbValue Where to return the value.
1143	*/
1144	static VBOXSTRICTRC smcRegGen_r(PDEVSMC pThis, uint8_t uReg, uint8_t *pbValue)
1145	{
1146	Log(("smcRegGen_r: %#04x: %#x (read)\n", uReg, pThis->u.abRegsRW[uReg]));
1147	*pbValue = pThis->u.abRegsRW[uReg];
1148	return VINF_SUCCESS;
1149	}
1150
1151
1152	/**
1153	* Write to register that isn't writable and reads as 0xFF.
1154	*
1155	* @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
1156	* @param uReg The register number.
1157	* @param bValue The value being written.
1158	*/
1159	static VBOXSTRICTRC smcRegFF_w(PDEVSMC pThis, uint8_t uReg, uint8_t bValue)
1160	{
1161	RT_NOREF3(pThis, uReg, bValue);
1162	Log(("SMC: %#04x: Writing %#x to unknown register!\n", uReg, bValue));
1163	return VINF_SUCCESS;
1164	}
1165
1166
1167	/**
1168	* Read from register that isn't writable and reads as 0xFF.
1169	*
1170	* @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
1171	* @param uReg The register number.
1172	* @param pbValue Where to return the value.
1173	*/
1174	static VBOXSTRICTRC smcRegFF_r(PDEVSMC pThis, uint8_t uReg, uint8_t *pbValue)
1175	{
1176	RT_NOREF2(pThis, uReg);
1177	Log(("SMC: %#04x: Reading from unknown register!\n", uReg));
1178	*pbValue = 0xff;
1179	return VINF_SUCCESS;
1180	}
1181
1182
1183
1184	/**
1185	* SMC register handlers (indexed by relative I/O port).
1186	*
1187	* The device seems to be all byte registers and will split wider
1188	* accesses between registers like if it was MMIO. To better illustrate it
1189	* here is the output of the code in devR0SmcInitOnce on a MacPro3,1:
1190	* @verbatim
1191	* SMC: 0x0300=0xffffff63 w={0xff63, 0xffff}, b={0x63 0xff 0xff 0xff}
1192	* SMC: 0x0301=0x0cffffff w={0xffff, 0x0cff}, b={0xff 0xff 0xff 0x0c}
1193	* SMC: 0x0302=0xff0cffff w={0xffff, 0xff0c}, b={0xff 0xff 0x0c 0xff}
1194	* SMC: 0x0303=0xffff0cff w={0x0cff, 0xffff}, b={0xff 0x0c 0xff 0xff}
1195	* SMC: 0x0304=0xffffff0c w={0xff0c, 0xffff}, b={0x0c 0xff 0xff 0xff}
1196	* SMC: 0x0305=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
1197	* SMC: 0x0306=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
1198	* SMC: 0x0307=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
1199	* SMC: 0x0308=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
1200	* SMC: 0x0309=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
1201	* SMC: 0x030a=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
1202	* SMC: 0x030b=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
1203	* SMC: 0x030c=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
1204	* SMC: 0x030d=0x00ffffff w={0xffff, 0x00ff}, b={0xff 0xff 0xff 0x00}
1205	* SMC: 0x030e=0x0000ffff w={0xffff, 0x0000}, b={0xff 0xff 0x00 0x00}
1206	* SMC: 0x030f=0x000000ff w={0x00ff, 0x0000}, b={0xff 0x00 0x00 0x00}
1207	* SMC: 0x0310=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
1208	* SMC: 0x0311=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
1209	* SMC: 0x0312=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
1210	* SMC: 0x0313=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
1211	* SMC: 0x0314=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
1212	* SMC: 0x0315=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
1213	* SMC: 0x0316=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
1214	* SMC: 0x0317=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
1215	* SMC: 0x0318=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
1216	* SMC: 0x0319=0xbe000000 w={0x0000, 0xbe00}, b={0x00 0x00 0x00 0xbe}
1217	* SMC: 0x031a=0xbabe0000 w={0x0000, 0xbabe}, b={0x00 0x00 0xbe 0xba}
1218	* SMC: 0x031b=0x00babe00 w={0xbe00, 0x00ba}, b={0x00 0xbe 0xba 0x00}
1219	* SMC: 0x031c=0xbe00babe w={0xbabe, 0xbe00}, b={0xbe 0xba 0x00 0xbe}
1220	* SMC: 0x031d=0xffbe00ba w={0x00ba, 0xffbe}, b={0xba 0x00 0xbe 0xff}
1221	* SMC: 0x031e=0xffffbe00 w={0xbe00, 0xffff}, b={0x00 0xbe 0xff 0xff}
1222	* SMC: 0x031f=0xffffffbe w={0xffbe, 0xffff}, b={0xbe 0xff 0xff 0xff}
1223	* @endverbatim
1224	*
1225	* The last dword is writable (0xbeXXbabe) where in the register at 0x1e is some
1226	* kind of status register for qualifying search failures and the like and will
1227	* be cleared under certain conditions. The whole dword can be written and read
1228	* back unchanged, according to my experiments. The 0x00 and 0x04 registers
1229	* does not read back what is written.
1230	*
1231	* My guess is that the 0xff values indicates ports that are not writable and
1232	* hardwired to 0xff, while the other values indicates ports that can be written
1233	* to and normally read back as written. I'm not going to push my luck too far
1234	* wrt to exact behavior until I see the guest using the registers.
1235	*/
1236	static const struct
1237	{
1238	VBOXSTRICTRC (*pfnWrite)(PDEVSMC pThis, uint8_t uReg, uint8_t bValue);
1239	VBOXSTRICTRC (pfnRead)(PDEVSMC pThis, uint8_t uReg, uint8_t pbValue);
1240	} g_aSmcRegs[SMC_REG_COUNT] =
1241	{
1242	/* [0x00] = */ { smcRegData_w, smcRegData_r },
1243	/* [0x01] = */ { smcRegFF_w, smcRegFF_r },
1244	/* [0x02] = */ { smcRegFF_w, smcRegFF_r },
1245	/* [0x03] = */ { smcRegFF_w, smcRegFF_r },
1246	/* [0x04] = */ { smcRegCmd_w, smcRegGen_r },
1247	/* [0x05] = */ { smcRegFF_w, smcRegFF_r },
1248	/* [0x06] = */ { smcRegFF_w, smcRegFF_r },
1249	/* [0x07] = */ { smcRegFF_w, smcRegFF_r },
1250	/* [0x08] = */ { smcRegFF_w, smcRegFF_r },
1251	/* [0x09] = */ { smcRegFF_w, smcRegFF_r },
1252	/* [0x0a] = */ { smcRegFF_w, smcRegFF_r },
1253	/* [0x0b] = */ { smcRegFF_w, smcRegFF_r },
1254	/* [0x0c] = */ { smcRegFF_w, smcRegFF_r },
1255	/* [0x0d] = */ { smcRegFF_w, smcRegFF_r },
1256	/* [0x0e] = */ { smcRegFF_w, smcRegFF_r },
1257	/* [0x0f] = */ { smcRegFF_w, smcRegFF_r },
1258	/* [0x10] = */ { smcRegGen_w, smcRegGen_r },
1259	/* [0x11] = */ { smcRegGen_w, smcRegGen_r },
1260	/* [0x12] = */ { smcRegGen_w, smcRegGen_r },
1261	/* [0x13] = */ { smcRegGen_w, smcRegGen_r },
1262	/* [0x14] = */ { smcRegGen_w, smcRegGen_r },
1263	/* [0x15] = */ { smcRegGen_w, smcRegGen_r },
1264	/* [0x16] = */ { smcRegGen_w, smcRegGen_r },
1265	/* [0x17] = */ { smcRegGen_w, smcRegGen_r },
1266	/* [0x18] = */ { smcRegGen_w, smcRegGen_r },
1267	/* [0x19] = */ { smcRegGen_w, smcRegGen_r },
1268	/* [0x1a] = */ { smcRegGen_w, smcRegGen_r },
1269	/* [0x1b] = */ { smcRegGen_w, smcRegGen_r },
1270	/* [0x1c] = */ { smcRegGen_w, smcRegGen_r },
1271	/* [0x1d] = */ { smcRegGen_w, smcRegGen_r },
1272	/* [0x1e] = */ { smcRegGen_w, smcRegGen_r },
1273	/* [0x1f] = */ { smcRegGen_w, smcRegGen_r },
1274	};
1275
1276
1277	/**
1278	* @callback_method_impl{FNIOMIOPORTNEWOUT}
1279	*/
1280	static DECLCALLBACK(VBOXSTRICTRC) smcIoPortWrite(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT offPort, uint32_t u32, unsigned cb)
1281	{
1282	RT_NOREF1(pvUser);
1283	#ifndef IN_RING3
1284	if (cb > 1)
1285	{
1286	Log3(("smcIoPortWrite: %#04x write access: %#x (LB %u) -> ring-3\n", offPort, u32, cb));
1287	return VINF_IOM_R3_IOPORT_WRITE;
1288	}
1289	#endif
1290	#ifdef LOG_ENABLED
1291	RTIOPORT const offPortLog = offPort;
1292	unsigned const cbLog = cb;
1293	#endif
1294
1295	/*
1296	* The first register, usually only one is accessed.
1297	*/
1298	PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
1299	AssertReturn(offPort < RT_ELEMENTS(g_aSmcRegs), VERR_INTERNAL_ERROR_3); /* impossible*/
1300	VBOXSTRICTRC rc = g_aSmcRegs[offPort].pfnWrite(pThis, offPort, u32);
1301
1302	/*
1303	* On the off chance that multiple registers are being read.
1304	*/
1305	if (cb > 1)
1306	{
1307	while (cb > 1 && offPort < SMC_REG_COUNT - 1)
1308	{
1309	cb--;
1310	offPort++;
1311	u32 >>= 8;
1312	VBOXSTRICTRC rc2 = g_aSmcRegs[offPort].pfnWrite(pThis, offPort, u32);
1313	if (rc2 != VINF_SUCCESS)
1314	{
1315	if ( rc == VINF_SUCCESS
1316	\|\| (RT_FAILURE(rc2) && RT_SUCCESS(rc))
1317	\|\| (rc2 < rc && RT_SUCCESS(rc2) && RT_SUCCESS(rc)))
1318	rc = rc2;
1319	}
1320	}
1321	}
1322
1323	LogFlow(("smcIoPortWrite: %#04x write access: %#x (LB %u) rc=%Rrc\n", offPortLog, u32, cbLog, VBOXSTRICTRC_VAL(rc) ));
1324	return rc;
1325	}
1326
1327
1328	/**
1329	* @callback_method_impl{FNIOMIOPORTNEWIN}
1330	*/
1331	static DECLCALLBACK(VBOXSTRICTRC) smcIoPortRead(PPDMDEVINS pDevIns, void pvUser, RTIOPORT offPort, uint32_t pu32, unsigned cb)
1332	{
1333	RT_NOREF1(pvUser);
1334	#ifndef IN_RING3
1335	if (cb > 1)
1336	return VINF_IOM_R3_IOPORT_READ;
1337	#endif
1338
1339	PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
1340	#ifdef LOG_ENABLED
1341	RTIOPORT const offPortLog = offPort;
1342	unsigned const cbLog = cb;
1343	#endif
1344
1345	/*
1346	* The first register, usually only one is accessed.
1347	*/
1348	AssertReturn(offPort < RT_ELEMENTS(g_aSmcRegs), VERR_INTERNAL_ERROR_3); /* impossible*/
1349	Log2(("smcIoPortRead: %#04x read access: LB %u\n", offPort, cb));
1350	uint8_t bValue = 0xff;
1351	VBOXSTRICTRC rc = g_aSmcRegs[offPort].pfnRead(pThis, offPort, &bValue);
1352	*pu32 = bValue;
1353
1354	/*
1355	* On the off chance that multiple registers are being read.
1356	*/
1357	if (cb > 1)
1358	{
1359	do
1360	{
1361	cb--;
1362	offPort++;
1363	bValue = 0xff;
1364	if (offPort < SMC_REG_COUNT)
1365	{
1366	VBOXSTRICTRC rc2 = g_aSmcRegs[offPort].pfnRead(pThis, offPort, &bValue);
1367	if (rc2 != VINF_SUCCESS)
1368	{
1369	if ( rc == VINF_SUCCESS
1370	\|\| (RT_FAILURE(rc2) && RT_SUCCESS(rc))
1371	\|\| (rc2 < rc && RT_SUCCESS(rc2) && RT_SUCCESS(rc)))
1372	rc = rc2;
1373	}
1374	}
1375	pu32 \|= (uint32_t)bValue << ((4 - cb) 8);
1376	} while (cb > 1);
1377	}
1378	LogFlow(("smcIoPortRead: %#04x read access: %#x (LB %u) rc=%Rrc\n", offPortLog, *pu32, cbLog, VBOXSTRICTRC_VAL(rc)));
1379	return rc;
1380	}
1381
1382	#ifdef IN_RING3
1383
1384	/** @callback_method_impl{FNSSMDEVSAVEEXEC} */
1385	static DECLCALLBACK(int) smcR3SaveExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1386	{
1387	PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
1388	RT_NOREF2(pSSM, pThis);
1389
1390	/** @todo */
1391
1392	return VINF_SUCCESS;
1393	}
1394
1395
1396	/** @callback_method_impl{FNSSMDEVLOADEXEC} */
1397	static DECLCALLBACK(int) smcR3LoadExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass)
1398	{
1399	PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
1400	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
1401	RT_NOREF2(pSSM, pThis);
1402
1403	/* Fend off unsupported versions. */
1404	if ( uVersion != SMC_SAVED_STATE_VERSION
1405	#if SMC_SAVED_STATE_VERSION != SMC_SAVED_STATE_VERSION_BAKA
1406	&& uVersion != SMC_SAVED_STATE_VERSION_BAKA
1407	#endif
1408	&& uVersion != SMC_SAVED_STATE_VERSION_BAKA + 1)
1409	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
1410
1411	/*
1412	* Do the actual restoring.
1413	*/
1414	if (uVersion == SMC_SAVED_STATE_VERSION)
1415	{
1416	/** @todo */
1417	}
1418
1419	return VINF_SUCCESS;
1420	}
1421
1422
1423	/**
1424	* @interface_method_impl{PDMDEVREG,pfnConstruct}
1425	*/
1426	static DECLCALLBACK(int) smcR3Construct(PPDMDEVINS pDevIns, int iInstance, PCFGMNODE pCfg)
1427	{
1428	PDMDEV_CHECK_VERSIONS_RETURN(pDevIns);
1429	PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
1430	PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
1431
1432	Assert(iInstance == 0); RT_NOREF1(iInstance);
1433
1434	/*
1435	* Init the data.
1436	*/
1437	pThis->bDollaryNumber = 1;
1438	pThis->bShutdownReason = 3; /* STOP_CAUSE_POWERKEY_GOOD_CODE */
1439
1440	/*
1441	* Validate configuration.
1442	*/
1443	PDMDEV_VALIDATE_CONFIG_RETURN(pDevIns, "DeviceKey\|GetKeyFromRealSMC", "");
1444
1445	/*
1446	* Read configuration.
1447	*/
1448
1449	/* The DeviceKey sets OSK0 and OSK1. */
1450	int rc = pHlp->pfnCFGMQueryStringDef(pCfg, "DeviceKey", pThis->szOsk0And1, sizeof(pThis->szOsk0And1), "");
1451	if (RT_FAILURE(rc))
1452	return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
1453	N_("Configuration error: Querying \"DeviceKey\" as a string failed"));
1454
1455	/* Query the key from the OS / real hardware if asked to do so. */
1456	bool fGetKeyFromRealSMC;
1457	rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "GetKeyFromRealSMC", &fGetKeyFromRealSMC, false);
1458	if (RT_FAILURE(rc))
1459	return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
1460	N_("Configuration error: Querying \"GetKeyFromRealSMC\" as a boolean failed"));
1461	if (fGetKeyFromRealSMC)
1462	{
1463	# ifdef RT_OS_DARWIN
1464	rc = getSmcKeyOs(pThis->szOsk0And1, sizeof(pThis->szOsk0And1));
1465	if (RT_FAILURE(rc))
1466	{
1467	LogRel(("SMC: Retrieving the SMC key from the OS failed (%Rrc), trying to read it from hardware\n", rc));
1468	# endif
1469	rc = PDMDevHlpCallR0(pDevIns, SMC_CALLR0_READ_OSK, 0 /uArg/);
1470	if (RT_SUCCESS(rc))
1471	LogRel(("SMC: Successfully retrieved the SMC key from hardware\n"));
1472	else
1473	LogRel(("SMC: Retrieving the SMC key from hardware failed(%Rrc)\n", rc));
1474	# ifdef RT_OS_DARWIN
1475	}
1476	else
1477	LogRel(("SMC: Successfully retrieved the SMC key from the OS\n"));
1478	# endif
1479	if (RT_FAILURE(rc))
1480	return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
1481	N_("Failed to query SMC value from the host"));
1482	}
1483
1484	/*
1485	* Register I/O Ports
1486	*/
1487	rc = PDMDevHlpIoPortCreateAndMap(pDevIns, SMC_PORT_FIRST, SMC_REG_COUNT, smcIoPortWrite, smcIoPortRead,
1488	"SMC data port", NULL, &pThis->hIoPorts);
1489	AssertRCReturn(rc, rc);
1490
1491	/** @todo Newer versions (2.03) have an MMIO mapping as well (ACPI). */
1492
1493
1494	/*
1495	* Saved state.
1496	*/
1497	rc = PDMDevHlpSSMRegister(pDevIns, SMC_SAVED_STATE_VERSION, sizeof(*pThis), smcR3SaveExec, smcR3LoadExec);
1498	if (RT_FAILURE(rc))
1499	return rc;
1500
1501	return VINF_SUCCESS;
1502	}
1503
1504	#else /* !IN_RING3 */
1505
1506	/**
1507	* @callback_method_impl{PDMDEVREGR0,pfnConstruct}
1508	*/
1509	static DECLCALLBACK(int) smcRZConstruct(PPDMDEVINS pDevIns)
1510	{
1511	PDMDEV_CHECK_VERSIONS_RETURN(pDevIns);
1512	PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
1513
1514	int rc = PDMDevHlpIoPortSetUpContext(pDevIns, pThis->hIoPorts, smcIoPortWrite, smcIoPortRead, NULL /pvUser/);
1515	AssertRCReturn(rc, rc);
1516	RT_NOREF(pThis);
1517
1518	return VINF_SUCCESS;
1519	}
1520
1521	#endif /* !IN_RING3 */
1522
1523
1524	/**
1525	* The device registration structure.
1526	*/
1527	const PDMDEVREG g_DeviceSmc =
1528	{
1529	/* .u32Version = */ PDM_DEVREG_VERSION,
1530	/* .uReserved0 = */ 0,
1531	/* .szName = */ "smc",
1532	/* .fFlags = */ PDM_DEVREG_FLAGS_DEFAULT_BITS \| PDM_DEVREG_FLAGS_RZ \| PDM_DEVREG_FLAGS_NEW_STYLE,
1533	/* .fClass = */ PDM_DEVREG_CLASS_ARCH,
1534	/* .cMaxInstances = */ 1,
1535	/* .uSharedVersion = */ 42,
1536	/* .cbInstanceShared = */ sizeof(DEVSMC),
1537	/* .cbInstanceCC = */ 0,
1538	/* .cbInstanceRC = */ 0,
1539	/* .cMaxPciDevices = */ 0,
1540	/* .cMaxMsixVectors = */ 0,
1541	/* .pszDescription = */ "Apple System Management Controller",
1542	#if defined(IN_RING3)
1543	/* .pszRCMod = */ "VBoxDDRC.rc",
1544	/* .pszR0Mod = */ "VBoxDDR0.r0",
1545	/* .pfnConstruct = */ smcR3Construct,
1546	/* .pfnDestruct = */ NULL,
1547	/* .pfnRelocate = */ NULL,
1548	/* .pfnMemSetup = */ NULL,
1549	/* .pfnPowerOn = */ NULL,
1550	/* .pfnReset = */ NULL,
1551	/* .pfnSuspend = */ NULL,
1552	/* .pfnResume = */ NULL,
1553	/* .pfnAttach = */ NULL,
1554	/* .pfnDetach = */ NULL,
1555	/* .pfnQueryInterface = */ NULL,
1556	/* .pfnInitComplete = */ NULL,
1557	/* .pfnPowerOff = */ NULL,
1558	/* .pfnSoftReset = */ NULL,
1559	/* .pfnReserved0 = */ NULL,
1560	/* .pfnReserved1 = */ NULL,
1561	/* .pfnReserved2 = */ NULL,
1562	/* .pfnReserved3 = */ NULL,
1563	/* .pfnReserved4 = */ NULL,
1564	/* .pfnReserved5 = */ NULL,
1565	/* .pfnReserved6 = */ NULL,
1566	/* .pfnReserved7 = */ NULL,
1567	#elif defined(IN_RING0)
1568	/* .pfnEarlyConstruct = */ NULL,
1569	/* .pfnConstruct = */ smcRZConstruct,
1570	/* .pfnDestruct = */ NULL,
1571	/* .pfnFinalDestruct = */ NULL,
1572	# if defined(RT_ARCH_AMD64) \|\| defined(RT_ARCH_X86)
1573	/* .pfnRequest = */ devR0SmcReqHandler,
1574	# else
1575	/* .pfnRequest = */ NULL,
1576	# endif
1577	/* .pfnReserved0 = */ NULL,
1578	/* .pfnReserved1 = */ NULL,
1579	/* .pfnReserved2 = */ NULL,
1580	/* .pfnReserved3 = */ NULL,
1581	/* .pfnReserved4 = */ NULL,
1582	/* .pfnReserved5 = */ NULL,
1583	/* .pfnReserved6 = */ NULL,
1584	/* .pfnReserved7 = */ NULL,
1585	#elif defined(IN_RC)
1586	/* .pfnConstruct = */ smcRZConstruct,
1587	/* .pfnReserved0 = */ NULL,
1588	/* .pfnReserved1 = */ NULL,
1589	/* .pfnReserved2 = */ NULL,
1590	/* .pfnReserved3 = */ NULL,
1591	/* .pfnReserved4 = */ NULL,
1592	/* .pfnReserved5 = */ NULL,
1593	/* .pfnReserved6 = */ NULL,
1594	/* .pfnReserved7 = */ NULL,
1595	#else
1596	# error "Not in IN_RING3, IN_RING0 or IN_RC!"
1597	#endif
1598	/* .u32VersionEnd = */ PDM_DEVREG_VERSION
1599	};
1600
1601	#endif /* VBOX_DEVICE_STRUCT_TESTCASE */

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source: vbox/trunk/src/VBox/Devices/EFI/DevSmc.cpp@ 89692

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