DevSmc.cpp@ 98103

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1	/* $Id: DevSmc.cpp 98103 2023-01-17 14:15:46Z 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) 2013-2023 Oracle and/or its affiliates.
14	*
15	* This file is part of VirtualBox base platform packages, as
16	* available from https://www.virtualbox.org.
17	*
18	* This program is free software; you can redistribute it and/or
19	* modify it under the terms of the GNU General Public License
20	* as published by the Free Software Foundation, in version 3 of the
21	* License.
22	*
23	* This program is distributed in the hope that it will be useful, but
24	* WITHOUT ANY WARRANTY; without even the implied warranty of
25	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26	* General Public License for more details.
27	*
28	* You should have received a copy of the GNU General Public License
29	* along with this program; if not, see <https://www.gnu.org/licenses>.
30	*
31	* SPDX-License-Identifier: GPL-3.0-only
32	*/
33
34
35	/*********************************************************************************************************************************
36	* Header Files *
37	*********************************************************************************************************************************/
38	#define LOG_GROUP LOG_GROUP_DEV_SMC
39	#include <VBox/vmm/pdmdev.h>
40	#include <VBox/log.h>
41	#include <VBox/err.h>
42	#include <iprt/assert.h>
43	#include <iprt/string.h>
44	#if defined(IN_RING0) && (defined(RT_ARCH_AMD64) \|\| defined(RT_ARCH_X86))
45	# include <iprt/asm-amd64-x86.h>
46	# include <iprt/once.h>
47	#endif
48	#if defined(RT_OS_DARWIN) && defined(IN_RING3) && !defined(VBOX_DEVICE_STRUCT_TESTCASE) /* drags in bad page size define */
49	# include "IOKit/IOKitLib.h"
50	#endif
51
52	#include "VBoxDD.h"
53
54
55	/*********************************************************************************************************************************
56	* Defined Constants And Macros *
57	*********************************************************************************************************************************/
58	/** The current version of the saved state. */
59	#define SMC_SAVED_STATE_VERSION 1 /** @todo later 2 */
60	/** Empty saved state version. */
61	#define SMC_SAVED_STATE_VERSION_BAKA 1
62
63	/** The ring-0 operation number that attempts to get OSK0 and OSK1 from the real
64	* SMC. */
65	#define SMC_CALLR0_READ_OSK 1
66
67
68	/** @name Apple SMC port and register definitions.
69	* @{ */
70
71	/** The first Apple SMC port. */
72	#define SMC_PORT_FIRST 0x0300
73	/** The number of registers (also ports). */
74	#define SMC_REG_COUNT 0x0020
75
76	/** The data register. */
77	#define SMC_REG_DATA 0x00
78	#define SMC_PORT_DATA (SMC_PORT_FIRST + SMC_REG_DATA)
79
80	/** The command register. */
81	#define SMC_REG_CMD 0x04
82	#define SMC_PORT_CMD (SMC_PORT_FIRST + SMC_REG_CMD)
83
84	/** Status code register. */
85	#define SMC_REG_STATUS_CODE 0x1e
86	#define SMC_PORT_STATUS_CODE (SMC_PORT_FIRST + SMC_REG_STATUS_CODE)
87	/** @} */
88
89	/** @name Apple SMC Commands.
90	* @{ */
91	#define SMC_CMD_GET_KEY_VALUE 0x10
92	#define SMC_CMD_PUT_KEY 0x11
93	#define SMC_CMD_GET_KEY_BY_INDEX 0x12
94	#define SMC_CMD_GET_KEY_INFO 0x13
95	/** @} */
96
97	/** @name Apple SMC Status Codes.
98	* @{ */
99	#define SMC_STATUS_CD_SUCCESS UINT8_C(0x00)
100	#define SMC_STATUS_CD_COMM_COLLISION UINT8_C(0x80)
101	#define SMC_STATUS_CD_SPURIOUS_DATA UINT8_C(0x81)
102	#define SMC_STATUS_CD_BAD_COMMAND UINT8_C(0x82)
103	#define SMC_STATUS_CD_BAD_PARAMETER UINT8_C(0x83)
104	#define SMC_STATUS_CD_KEY_NOT_FOUND UINT8_C(0x84)
105	#define SMC_STATUS_CD_KEY_NOT_READABLE UINT8_C(0x85)
106	#define SMC_STATUS_CD_KEY_NOT_WRITABLE UINT8_C(0x86)
107	#define SMC_STATUS_CD_KEY_SIZE_MISMATCH UINT8_C(0x87)
108	#define SMC_STATUS_CD_FRAMING_ERROR UINT8_C(0x88)
109	#define SMC_STATUS_CD_BAD_ARGUMENT_ERROR UINT8_C(0x89)
110	#define SMC_STATUS_CD_TIMEOUT_ERROR UINT8_C(0xb7)
111	#define SMC_STATUS_CD_KEY_INDEX_RANGE_ERROR UINT8_C(0xb8)
112	#define SMC_STATUS_CD_BAD_FUNC_PARAMETER UINT8_C(0xc0)
113	#define SMC_STATUS_CD_EVENT_BUFF_WRONG_ORDER UINT8_C(0x??)
114	#define SMC_STATUS_CD_EVENT_BUFF_READ_ERROR UINT8_C(0x??)
115	#define SMC_STATUS_CD_DEVICE_ACCESS_ERROR UINT8_C(0xc7)
116	#define SMC_STATUS_CD_UNSUPPORTED_FEATURE UINT8_C(0xcb)
117	#define SMC_STATUS_CD_SMB_ACCESS_ERROR UINT8_C(0xcc)
118	/** @} */
119
120	/** @name Apple SMC Key Attributes.
121	* @{ */
122	#define SMC_KEY_ATTR_PRIVATE UINT8_C(0x01)
123	#define SMC_KEY_ATTR_UKN_0x02 UINT8_C(0x02)
124	#define SMC_KEY_ATTR_UKN_0x04 UINT8_C(0x04)
125	#define SMC_KEY_ATTR_CONST UINT8_C(0x08)
126	#define SMC_KEY_ATTR_FUNCTION UINT8_C(0x10)
127	#define SMC_KEY_ATTR_UKN_0x20 UINT8_C(0x20)
128	#define SMC_KEY_ATTR_WRITE UINT8_C(0x40)
129	#define SMC_KEY_ATTR_READ UINT8_C(0x80)
130	/** @} */
131
132
133	/** The index of the first enumerable key in g_aSmcKeys. */
134	#define SMC_KEYIDX_FIRST_ENUM 2
135
136	/** Macro for emitting a static DEVSMC4CHID initializer. */
137	#define SMC4CH(ch1, ch2, ch3, ch4) { { ch1, ch2, ch3, ch4 } }
138
139	/**
140	* Macro for comparing DEVSMC4CHID with a string value.
141	* @returns true if equal, false if not.
142	*/
143	#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]) )
144
145	/** Indicates the we want a 2.x SMC. */
146	#define VBOX_WITH_SMC_2_x
147
148
149	/*********************************************************************************************************************************
150	* Structures and Typedefs *
151	*********************************************************************************************************************************/
152
153	/**
154	* 4 char identifier
155	*/
156	typedef union DEVSMC4CHID
157	{
158	/** Byte view. */
159	uint8_t ab[4];
160	/** 32-bit unsigned integer view. */
161	uint32_t u32;
162	} DEVSMC4CHID;
163
164
165	/**
166	* Current key data area for communicating with the guest.
167	*/
168	typedef struct DEVSMCCURKEY
169	{
170	/** The key. */
171	DEVSMC4CHID Key;
172	/** The data type. */
173	DEVSMC4CHID Type;
174	/** Key attributes. */
175	uint8_t fAttr;
176	/** The value length. */
177	uint8_t cbValue;
178	uint8_t abAlignment[2];
179	/**
180	* The value union. 32 bytes is probably sufficient here, but we provide a
181	* little more room since it doesn't cost us anything. */
182	union
183	{
184	/** Byte view. */
185	uint8_t ab[128];
186	/** 16-bit view. */
187	uint16_t u16;
188	/** 32-bit view. */
189	uint32_t u32;
190	} Value;
191	} DEVSMCCURKEY;
192	AssertCompileSize(DEVSMCCURKEY, 128+12);
193	/** Pointer to the current key buffer. */
194	typedef DEVSMCCURKEY *PDEVSMCCURKEY;
195	/** Const pointer to the current key buffer. */
196	typedef DEVSMCCURKEY const *PCDEVSMCCURKEY;
197
198
199	/**
200	* The device
201	*/
202	typedef struct DEVSMC
203	{
204	/** The current command (SMC_PORT_CMD write). */
205	uint8_t bCmd;
206	/** Current key offset. */
207	uint8_t offKey;
208	/** Current value offset. */
209	uint8_t offValue;
210	/** Number of keys in the aKeys array. */
211	uint8_t cKeys;
212
213	/** The current key data the user is accessing. */
214	DEVSMCCURKEY CurKey;
215
216	/**
217	* Generic read/write register values.
218	*
219	* The DATA register entry is not used at all. The CMD register entry contains
220	* the state value.
221	*/
222	union
223	{
224	/** Index register view. */
225	uint8_t abRegsRW[SMC_REG_COUNT];
226	/** Named register view. */
227	struct
228	{
229	uint8_t abUnknown0[0x04];
230	/** The current state (SMC_PORT_CMD read). */
231	uint8_t bState;
232	uint8_t abUnknown1[0x1e - 0x05];
233	/** The current status code (SMC_PORT_STATUS_CODE). */
234	uint8_t bStatusCode;
235	uint8_t abUnknown2[1];
236	} s;
237	} u;
238
239	/** @name Key data.
240	* @{ */
241	/** OSK0 and OSK1. */
242	char szOsk0And1[64+1];
243	/** $Num - unknown function. */
244	uint8_t bDollaryNumber;
245	/** MSSD - shutdown reason. */
246	uint8_t bShutdownReason;
247	/** NATJ - Ninja action timer job. */
248	uint8_t bNinjaActionTimerJob;
249	/** @} */
250
251	/** The I/O port registration handle. */
252	IOMIOPORTHANDLE hIoPorts;
253	} DEVSMC;
254	#ifndef _MSC_VER
255	AssertCompileMembersAtSameOffset(DEVSMC, u.abRegsRW[SMC_REG_CMD], DEVSMC, u.s.bState);
256	AssertCompileMembersAtSameOffset(DEVSMC, u.abRegsRW[SMC_REG_STATUS_CODE], DEVSMC, u.s.bStatusCode);
257	#endif
258
259	/** Pointer to the SMC state. */
260	typedef DEVSMC *PDEVSMC;
261
262	#ifndef VBOX_DEVICE_STRUCT_TESTCASE
263
264
265	/**
266	* Method for retriving the key value and/or optionally also attributes.
267	*
268	* @returns Apple SMC Status Code.
269	* @param pThis The SMC instance data.
270	* @param pCurKey The current key structure (input / output).
271	* @param bCmd The current command (mostly for getters that also
272	* provides attributes or type info).
273	* @param pKeyDesc Pointer to the key descriptor so that the getter can
274	* service more than once key.
275	*/
276	typedef DECLCALLBACKTYPE(uint8_t, FNDEVSMCKEYGETTER,(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd,
277	struct DEVSMCKEYDESC const *pKeyDesc));
278
279	/**
280	* Method for setting the key value.
281	*
282	* @returns Apple SMC Status Code.
283	* @param pThis The SMC instance data.
284	* @param pCurKey The current key structure (input / output).
285	* @param bCmd The current command (currently not relevant).
286	* @param pKeyDesc Pointer to the key descriptor so that the getter can
287	* service more than once key.
288	*/
289	typedef DECLCALLBACKTYPE(uint8_t, FNDEVSMCKEYPUTTER,(PDEVSMC pThis, PCDEVSMCCURKEY pCurKey, uint8_t bCmd,
290	struct DEVSMCKEYDESC const *pKeyDesc));
291
292	/**
293	* Key descriptor.
294	*/
295	typedef struct DEVSMCKEYDESC
296	{
297	/** The key 4 character identifier. */
298	DEVSMC4CHID Key;
299	/** Type 4 character identifier. 0 means the getter will set it dynamically. */
300	DEVSMC4CHID Type;
301	/** Getter method, see FNDEVSMCKEYGETTER. */
302	FNDEVSMCKEYGETTER *pfnGet;
303	/** Putter method, see FNDEVSMCKEYPUTTER. */
304	FNDEVSMCKEYPUTTER *pfnPut;
305	/** The keyvalue size. If 0 the pfnGet/pfnPut will define/check the size. */
306	uint8_t cbValue;
307	/** Attributes. 0 means the getter will set it dynamically. */
308	uint8_t fAttr;
309	} DEVSMCKEYDESC;
310	/** Pointer to a constant SMC key descriptor. */
311	typedef DEVSMCKEYDESC const *PCDEVSMCKEYDESC;
312
313
314	/*********************************************************************************************************************************
315	* Internal Functions *
316	*********************************************************************************************************************************/
317	static FNDEVSMCKEYGETTER scmKeyGetOSKs;
318	static FNDEVSMCKEYGETTER scmKeyGetKeyCount;
319	static FNDEVSMCKEYGETTER scmKeyGetRevision;
320	#ifdef VBOX_WITH_SMC_2_x
321	static FNDEVSMCKEYGETTER scmKeyGetDollarAddress;
322	static FNDEVSMCKEYGETTER scmKeyGetDollarNumber;
323	static FNDEVSMCKEYPUTTER scmKeyPutDollarNumber;
324	#endif
325	static FNDEVSMCKEYGETTER scmKeyGetShutdownReason;
326	static FNDEVSMCKEYPUTTER scmKeyPutShutdownReason;
327	static FNDEVSMCKEYGETTER scmKeyGetNinjaTimerAction;
328	static FNDEVSMCKEYPUTTER scmKeyPutNinjaTimerAction;
329	static FNDEVSMCKEYGETTER scmKeyGetOne;
330	static FNDEVSMCKEYGETTER scmKeyGetZero;
331
332
333	/*********************************************************************************************************************************
334	* Global Variables *
335	*********************************************************************************************************************************/
336	/**
337	* Apple SMC key descriptor table.
338	*/
339	static const DEVSMCKEYDESC g_aSmcKeys[] =
340	{
341	/* Non-enum keys first. */
342	{ SMC4CH('O','S','K','0'), SMC4CH('c','h','8','*'), scmKeyGetOSKs, NULL, 32, SMC_KEY_ATTR_READ \| SMC_KEY_ATTR_FUNCTION },
343	{ SMC4CH('O','S','K','1'), SMC4CH('c','h','8','*'), scmKeyGetOSKs, NULL, 32, SMC_KEY_ATTR_READ \| SMC_KEY_ATTR_FUNCTION },
344
345	/* The first enum key is the #KEY value. */
346	{ SMC4CH('#','K','E','Y'), SMC4CH('u','i','3','2'), scmKeyGetKeyCount, NULL, 4, SMC_KEY_ATTR_READ },
347	# ifdef VBOX_WITH_SMC_2_x
348	{ SMC4CH('$','A','d','r'), SMC4CH('u','i','3','2'), scmKeyGetDollarAddress, NULL, 4, SMC_KEY_ATTR_READ },
349	{ SMC4CH('$','N','u','m'), SMC4CH('u','i','8',' '), scmKeyGetDollarNumber, scmKeyPutDollarNumber, 1, SMC_KEY_ATTR_READ \| SMC_KEY_ATTR_WRITE \| SMC_KEY_ATTR_PRIVATE },
350	{ SMC4CH('B','E','M','B'), SMC4CH('f','l','a','g'), scmKeyGetOne, NULL, 1, SMC_KEY_ATTR_READ },
351	# else
352	{ SMC4CH('L','S','O','F'), SMC4CH('f','l','a','g'), scmKeyGetZero, NULL, 1, SMC_KEY_ATTR_READ },
353	# endif
354	{ SMC4CH('M','S','S','D'), SMC4CH('s','i','8',' '), scmKeyGetShutdownReason, scmKeyPutShutdownReason, 1, SMC_KEY_ATTR_READ \| SMC_KEY_ATTR_WRITE \| SMC_KEY_ATTR_PRIVATE },
355	/* MSDS is not present on MacPro3,1 nor MacBookPro10,1, so returning not found is fine. */
356	# ifdef VBOX_WITH_SMC_2_x
357	{ SMC4CH('M','S','T','f'), SMC4CH('u','i','8',' '), scmKeyGetZero, NULL, 1, SMC_KEY_ATTR_READ },
358	# endif
359	{ SMC4CH('N','A','T','J'), SMC4CH('u','i','8',' '), scmKeyGetNinjaTimerAction, scmKeyPutNinjaTimerAction, 1, SMC_KEY_ATTR_READ \| SMC_KEY_ATTR_WRITE \| SMC_KEY_ATTR_PRIVATE },
360	{ SMC4CH('R','E','V',' '), SMC4CH('{','r','e','v'), scmKeyGetRevision, NULL, 6, SMC_KEY_ATTR_READ },
361	/** @todo MSSP, NTOK and more. */
362	};
363
364	#if defined(IN_RING0) && (defined(RT_ARCH_AMD64) \|\| defined(RT_ARCH_X86))
365
366	/** Do once for the SMC ring-0 static data (g_abOsk0And1, g_fHaveOsk). */
367	static RTONCE g_SmcR0Once = RTONCE_INITIALIZER;
368	/** Indicates whether we've successfully queried the OSK* keys. */
369	static bool g_fHaveOsk = false;
370	/** The OSK0 and OSK1 values. */
371	static uint8_t g_abOsk0And1[32+32];
372
373
374	/**
375	* Waits for the specified state on the host SMC.
376	*
377	* @returns success indicator.
378	* @param bState The desired state.
379	* @param pszWhat What we're currently doing. For the log.
380	*/
381	static bool devR0SmcWaitHostState(uint8_t bState, const char *pszWhat)
382	{
383	uint8_t bCurState = 0; /* (MSC is potentially uninitialized) */
384	for (uint32_t cMsSleep = 1; cMsSleep <= 64; cMsSleep <<= 1)
385	{
386	RTThreadSleep(cMsSleep);
387	bCurState = ASMInU16(SMC_PORT_CMD);
388	if ((bCurState & 0xf) == bState)
389	return true;
390	}
391
392	LogRel(("devR0Smc: %s: bCurState=%#x, wanted %#x.\n", pszWhat, bCurState, bState));
393	#if 0
394	uint8_t bCurStatus2 = ASMInU8(SMC_PORT_STATUS_CODE);
395	uint8_t bCurStatus3 = ASMInU8(SMC_PORT_STATUS_CODE);
396	uint16_t wCurStatus3 = ASMInU16(SMC_PORT_STATUS_CODE);
397	uint32_t dwCurStatus3 = ASMInU32(SMC_PORT_STATUS_CODE);
398	LogRel(("SMC: status2=%#x status3=%#x w=%#x dw=%#x\n", bCurStatus2, bCurStatus3, wCurStatus3, dwCurStatus3));
399	#endif
400	return false;
401	}
402
403
404	/**
405	* Reads a key by name from the host SMC.
406	*
407	* @returns success indicator.
408	* @param pszName The key name, must be exactly 4 chars long.
409	* @param pbBuf The output buffer.
410	* @param cbBuf The buffer size. Max 32 bytes.
411	*/
412	static bool devR0SmcQueryHostKey(const char pszName, uint8_t pbBuf, size_t cbBuf)
413	{
414	Assert(strlen(pszName) == 4);
415	Assert(cbBuf <= 32);
416	Assert(cbBuf > 0);
417
418	/*
419	* Issue the READ command.
420	*/
421	uint32_t cMsSleep = 1;
422	for (;;)
423	{
424	ASMOutU32(SMC_PORT_CMD, SMC_CMD_GET_KEY_VALUE);
425	RTThreadSleep(cMsSleep);
426	uint8_t bCurState = ASMInU8(SMC_PORT_CMD);
427	if ((bCurState & 0xf) == 0xc)
428	break;
429	cMsSleep <<= 1;
430	if (cMsSleep > 64)
431	{
432	LogRel(("devR0Smc: %s: bCurState=%#x, wanted %#x.\n", "cmd", bCurState, 0xc));
433	return false;
434	}
435	}
436
437	/*
438	* Send it the key.
439	*/
440	for (unsigned off = 0; off < 4; off++)
441	{
442	ASMOutU8(SMC_PORT_DATA, pszName[off]);
443	if (!devR0SmcWaitHostState(4, "key"))
444	return false;
445	}
446
447	/*
448	* The desired amount of output.
449	*/
450	ASMOutU8(SMC_PORT_DATA, (uint8_t)cbBuf);
451
452	/*
453	* Read the output.
454	*/
455	for (size_t off = 0; off < cbBuf; off++)
456	{
457	if (!devR0SmcWaitHostState(5, off ? "data" : "len"))
458	return false;
459	pbBuf[off] = ASMInU8(SMC_PORT_DATA);
460	}
461
462	LogRel(("SMC: pbBuf=%.*s\n", cbBuf, pbBuf));
463	return true;
464	}
465
466
467	/**
468	* RTOnce callback that initializes g_fHaveOsk and g_abOsk0And1.
469	*
470	* @returns VINF_SUCCESS.
471	* @param pvUserIgnored Ignored.
472	*/
473	static DECLCALLBACK(int) devR0SmcInitOnce(void *pvUserIgnored)
474	{
475	g_fHaveOsk = devR0SmcQueryHostKey("OSK0", &g_abOsk0And1[0], 32)
476	&& devR0SmcQueryHostKey("OSK1", &g_abOsk0And1[32], 32);
477
478	#if 0
479	/*
480	* Dump the device registers.
481	*/
482	for (uint16_t uPort = 0x300; uPort < 0x320; uPort ++)
483	LogRel(("SMC: %#06x=%#010x w={%#06x, %#06x}, b={%#04x %#04x %#04x %#04x}\n", uPort,
484	ASMInU32(uPort), ASMInU16(uPort), ASMInU16(uPort + 2),
485	ASMInU8(uPort), ASMInU8(uPort + 1), ASMInU8(uPort +2), ASMInU8(uPort + 3) ));
486	#endif
487
488	NOREF(pvUserIgnored);
489	return VINF_SUCCESS;
490	}
491
492
493	/**
494	* @interface_method_impl{PDMDEVREGR0,pfnRequest}
495	*/
496	static DECLCALLBACK(int) devR0SmcReqHandler(PPDMDEVINS pDevIns, uint32_t uReq, uint64_t uArg)
497	{
498	PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
499	int rc = VERR_INVALID_FUNCTION;
500	RT_NOREF_PV(uArg);
501
502	if (uReq == SMC_CALLR0_READ_OSK)
503	{
504	rc = RTOnce(&g_SmcR0Once, devR0SmcInitOnce, NULL);
505	if ( RT_SUCCESS(rc)
506	&& g_fHaveOsk)
507	{
508	AssertCompile(sizeof(g_abOsk0And1) + 1 == sizeof(pThis->szOsk0And1));
509	memcpy(pThis->szOsk0And1, g_abOsk0And1, sizeof(pThis->szOsk0And1) - 1);
510	pThis->szOsk0And1[sizeof(pThis->szOsk0And1) - 1] = '\0';
511	}
512	}
513	return rc;
514	}
515
516	#endif /* IN_RING0 && (AMD64 \|\| X86) */
517
518	#if defined(IN_RING3) && defined(RT_OS_DARWIN)
519
520	/**
521	* Preferred method to retrieve the SMC key.
522	*
523	* @param pabKey where to store the key.
524	* @param cbKey size of the buffer.
525	*/
526	static int getSmcKeyOs(char *pabKey, uint32_t cbKey)
527	{
528	/*
529	* Method as described in Amit Singh's article:
530	* http://osxbook.com/book/bonus/chapter7/tpmdrmmyth/
531	*/
532	typedef struct
533	{
534	uint32_t key;
535	uint8_t pad0[22];
536	uint32_t datasize;
537	uint8_t pad1[10];
538	uint8_t cmd;
539	uint32_t pad2;
540	uint8_t data[32];
541	} AppleSMCBuffer;
542
543	AssertReturn(cbKey >= 65, VERR_INTERNAL_ERROR);
544
545	io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault,
546	IOServiceMatching("AppleSMC"));
547	if (!service)
548	return VERR_NOT_FOUND;
549
550	io_connect_t port = (io_connect_t)0;
551	kern_return_t kr = IOServiceOpen(service, mach_task_self(), 0, &port);
552	IOObjectRelease(service);
553
554	if (kr != kIOReturnSuccess)
555	return RTErrConvertFromDarwin(kr);
556
557	AppleSMCBuffer inputStruct = { 0, {0}, 32, {0}, 5, };
558	AppleSMCBuffer outputStruct;
559	size_t cbOutputStruct = sizeof(outputStruct);
560
561	for (int i = 0; i < 2; i++)
562	{
563	inputStruct.key = (uint32_t)(i == 0 ? 'OSK0' : 'OSK1');
564	kr = IOConnectCallStructMethod((mach_port_t)port,
565	(uint32_t)2,
566	(const void *)&inputStruct,
567	sizeof(inputStruct),
568	(void *)&outputStruct,
569	&cbOutputStruct);
570	if (kr != kIOReturnSuccess)
571	{
572	IOServiceClose(port);
573	return RTErrConvertFromDarwin(kr);
574	}
575
576	for (int j = 0; j < 32; j++)
577	pabKey[j + i*32] = outputStruct.data[j];
578	}
579
580	IOServiceClose(port);
581
582	pabKey[64] = 0;
583
584	return VINF_SUCCESS;
585	}
586
587	#endif /* IN_RING3 && RT_OS_DARWIN */
588
589
590	/** @callback_method_impl{FNDEVSMCKEYGETTER, OSK0 and OSK1} */
591	static DECLCALLBACK(uint8_t) scmKeyGetOSKs(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
592	{
593	RT_NOREF1(bCmd);
594	Assert(SMC4CH_EQ(&pKeyDesc->Key, "OSK0") \|\| SMC4CH_EQ(&pKeyDesc->Key, "OSK1"));
595	const char *pszSrc = pThis->szOsk0And1;
596	if (SMC4CH_EQ(&pKeyDesc->Key, "OSK1"))
597	pszSrc += 32;
598	memcpy(pCurKey->Value.ab, pszSrc, 32);
599	return SMC_STATUS_CD_SUCCESS;
600	}
601
602
603	/** @callback_method_impl{FNDEVSMCKEYGETTER, \#KEY} */
604	static DECLCALLBACK(uint8_t) scmKeyGetKeyCount(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
605	{
606	RT_NOREF3(pThis, bCmd, pKeyDesc);
607	Assert(pKeyDesc == &g_aSmcKeys[SMC_KEYIDX_FIRST_ENUM]);
608	uint32_t cKeys = RT_ELEMENTS(g_aSmcKeys) - SMC_KEYIDX_FIRST_ENUM;
609	pCurKey->Value.u32 = RT_H2BE_U32(cKeys);
610	return SMC_STATUS_CD_SUCCESS;
611	}
612
613
614	/** @callback_method_impl{FNDEVSMCKEYGETTER, REV - Source revision.} */
615	static DECLCALLBACK(uint8_t) scmKeyGetRevision(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
616	{
617	RT_NOREF3(pThis, bCmd, pKeyDesc);
618	#ifdef VBOX_WITH_SMC_2_x
619	pCurKey->Value.ab[0] = 0x02;
620	pCurKey->Value.ab[1] = 0x03;
621	pCurKey->Value.ab[2] = 0x0f;
622	pCurKey->Value.ab[3] = 0x00;
623	pCurKey->Value.ab[4] = 0x00;
624	pCurKey->Value.ab[5] = 0x35;
625	#else
626	pCurKey->Value.ab[0] = 0x01;
627	pCurKey->Value.ab[1] = 0x25;
628	pCurKey->Value.ab[2] = 0x0f;
629	pCurKey->Value.ab[3] = 0x00;
630	pCurKey->Value.ab[4] = 0x00;
631	pCurKey->Value.ab[5] = 0x04;
632	#endif
633	return SMC_STATUS_CD_SUCCESS;
634	}
635
636	#ifdef VBOX_WITH_SMC_2_x
637
638	/** @callback_method_impl{FNDEVSMCKEYGETTER, $Adr - SMC address.} */
639	static DECLCALLBACK(uint8_t) scmKeyGetDollarAddress(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
640	{
641	RT_NOREF3(pThis, bCmd, pKeyDesc);
642	pCurKey->Value.u32 = RT_H2BE_U32(SMC_PORT_FIRST);
643	return VINF_SUCCESS;
644	}
645
646
647	/** @callback_method_impl{FNDEVSMCKEYGETTER, $Num - Some kind of number.} */
648	static DECLCALLBACK(uint8_t) scmKeyGetDollarNumber(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
649	{
650	RT_NOREF2(bCmd, pKeyDesc);
651	pCurKey->Value.ab[0] = pThis->bDollaryNumber;
652	return VINF_SUCCESS;
653	}
654
655	/** @callback_method_impl{FNDEVSMCKEYPUTTER, $Num - Some kind of number.} */
656	static DECLCALLBACK(uint8_t) scmKeyPutDollarNumber(PDEVSMC pThis, PCDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
657	{
658	RT_NOREF2(bCmd, pKeyDesc);
659	Log(("scmKeyPutDollarNumber: %#x -> %#x\n", pThis->bDollaryNumber, pCurKey->Value.ab[0]));
660	pThis->bDollaryNumber = pCurKey->Value.ab[0];
661	return VINF_SUCCESS;
662	}
663
664	#endif /* VBOX_WITH_SMC_2_x */
665
666	/** @callback_method_impl{FNDEVSMCKEYGETTER, MSSD - Machine Shutdown reason.} */
667	static DECLCALLBACK(uint8_t) scmKeyGetShutdownReason(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
668	{
669	RT_NOREF2(bCmd, pKeyDesc);
670	pCurKey->Value.ab[0] = pThis->bShutdownReason;
671	return SMC_STATUS_CD_SUCCESS;
672	}
673
674
675	/** @callback_method_impl{FNDEVSMCKEYPUTTER, MSSD - Machine Shutdown reason.} */
676	static DECLCALLBACK(uint8_t) scmKeyPutShutdownReason(PDEVSMC pThis, PCDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
677	{
678	RT_NOREF2(bCmd, pKeyDesc);
679	Log(("scmKeyPutShutdownReason: %#x -> %#x\n", pThis->bShutdownReason, pCurKey->Value.ab[0]));
680	pThis->bShutdownReason = pCurKey->Value.ab[0];
681	return SMC_STATUS_CD_SUCCESS;
682	}
683
684
685	/** @callback_method_impl{FNDEVSMCKEYGETTER, MSSD - Ninja timer action job.} */
686	static DECLCALLBACK(uint8_t)
687	scmKeyGetNinjaTimerAction(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
688	{
689	RT_NOREF2(bCmd, pKeyDesc);
690	pCurKey->Value.ab[0] = pThis->bNinjaActionTimerJob;
691	return SMC_STATUS_CD_SUCCESS;
692	}
693
694
695	/** @callback_method_impl{FNDEVSMCKEYPUTTER, NATJ - Ninja timer action job.} */
696	static DECLCALLBACK(uint8_t)
697	scmKeyPutNinjaTimerAction(PDEVSMC pThis, PCDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
698	{
699	RT_NOREF2(bCmd, pKeyDesc);
700	Log(("scmKeyPutNinjaTimerAction: %#x -> %#x\n", pThis->bNinjaActionTimerJob, pCurKey->Value.ab[0]));
701	pThis->bNinjaActionTimerJob = pCurKey->Value.ab[0];
702	return SMC_STATUS_CD_SUCCESS;
703	}
704
705	#ifdef VBOX_WITH_SMC_2_x
706
707	/** @callback_method_impl{FNDEVSMCKEYGETTER, Generic one getter.} */
708	static DECLCALLBACK(uint8_t) scmKeyGetOne(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
709	{
710	RT_NOREF2(pThis, bCmd);
711	memset(&pCurKey->Value.ab[0], 0, pKeyDesc->cbValue);
712	pCurKey->Value.ab[pKeyDesc->cbValue - 1] = 1;
713	return SMC_STATUS_CD_SUCCESS;
714	}
715
716	#endif /* VBOX_WITH_SMC_2_x */
717
718	/** @callback_method_impl{FNDEVSMCKEYGETTER, Generic zero getter.} */
719	static DECLCALLBACK(uint8_t) scmKeyGetZero(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
720	{
721	RT_NOREF2(pThis, bCmd);
722	memset(&pCurKey->Value.ab[0], 0, pKeyDesc->cbValue);
723	return SMC_STATUS_CD_SUCCESS;
724	}
725
726
727	/**
728	* Looks up a key and copies its value and attributes into the CurKey.
729	*
730	* @returns Key index on success, UINT32_MAX on failure.
731	* @param uKeyValue The key value (DEVSMC4CHID.u32).
732	*/
733	static uint32_t smcKeyLookup(uint32_t uKeyValue)
734	{
735	uint32_t iKey = RT_ELEMENTS(g_aSmcKeys);
736	while (iKey-- > 0)
737	if (g_aSmcKeys[iKey].Key.u32 == uKeyValue)
738	return iKey;
739	return UINT32_MAX;
740	}
741
742
743	/**
744	* Looks up a key and copies its value and attributes into the CurKey.
745	*
746	* @returns Apple SMC Status Code.
747	* @param pThis The SMC instance data.
748	*/
749	static uint8_t smcKeyGetByName(PDEVSMC pThis)
750	{
751	uint8_t bRc;
752	#ifdef LOG_ENABLED
753	uint32_t const uKeyValueLog = RT_H2LE_U32(pThis->CurKey.Key.u32);
754	#endif
755	uint32_t iKey = smcKeyLookup(pThis->CurKey.Key.u32);
756	if (iKey != UINT32_MAX)
757	{
758	if ( g_aSmcKeys[iKey].cbValue == pThis->CurKey.cbValue
759	\|\| !g_aSmcKeys[iKey].cbValue)
760	{
761	pThis->CurKey.Type = g_aSmcKeys[iKey].Type;
762	pThis->CurKey.fAttr = g_aSmcKeys[iKey].fAttr;
763	RT_ZERO(pThis->CurKey.Value);
764	if (g_aSmcKeys[iKey].pfnGet)
765	{
766	bRc = g_aSmcKeys[iKey].pfnGet(pThis, &pThis->CurKey, pThis->bCmd, &g_aSmcKeys[iKey]);
767	if (bRc == SMC_STATUS_CD_SUCCESS)
768	{
769	LogFlow(("smcKeyGetByName: key=%4.4s value=%.*Rhxs\n",
770	&uKeyValueLog, pThis->CurKey.cbValue, &pThis->CurKey.Value));
771	return SMC_STATUS_CD_SUCCESS;
772	}
773
774	Log(("smcKeyGetByName: key=%4.4s getter failed! bRc=%#x\n", &uKeyValueLog, bRc));
775	}
776	else
777	{
778	Log(("smcKeyGetByName: key=%4.4s is not readable!\n", &uKeyValueLog));
779	bRc = SMC_STATUS_CD_KEY_NOT_READABLE;
780	}
781	}
782	else
783	{
784	Log(("smcKeyGetByName: Wrong value size; user=%#x smc=%#x key=%4.4s !\n",
785	pThis->CurKey.cbValue, g_aSmcKeys[iKey].cbValue, &uKeyValueLog));
786	bRc = SMC_STATUS_CD_KEY_SIZE_MISMATCH;
787	}
788	}
789	else
790	{
791	Log(("smcKeyGetByName: Key not found! key=%4.4s size=%#x\n", &uKeyValueLog, pThis->CurKey.cbValue));
792	bRc = SMC_STATUS_CD_KEY_NOT_FOUND;
793	}
794
795	RT_ZERO(pThis->CurKey);
796	return bRc;
797	}
798
799
800	/**
801	* Looks up a key by index and copies its name (and attributes) into the CurKey.
802	*
803	* @returns Apple SMC Status Code.
804	* @param pThis The SMC instance data.
805	*/
806	static uint8_t smcKeyGetByIndex(PDEVSMC pThis)
807	{
808	uint8_t bRc;
809	uint32_t iKey = RT_BE2H_U32(pThis->CurKey.Key.u32);
810	if (iKey < RT_ELEMENTS(g_aSmcKeys) - SMC_KEYIDX_FIRST_ENUM)
811	{
812	pThis->CurKey.Key = g_aSmcKeys[iKey].Key;
813	pThis->CurKey.Type = g_aSmcKeys[iKey].Type;
814	pThis->CurKey.fAttr = g_aSmcKeys[iKey].fAttr;
815	pThis->CurKey.cbValue = g_aSmcKeys[iKey].cbValue;
816	RT_ZERO(pThis->CurKey.Value);
817	Log(("smcKeyGetByIndex: %#x -> %c%c%c%c\n", iKey,
818	pThis->CurKey.Key.ab[3], pThis->CurKey.Key.ab[2], pThis->CurKey.Key.ab[1], pThis->CurKey.Key.ab[0]));
819	bRc = SMC_STATUS_CD_SUCCESS;
820	}
821	else
822	{
823	Log(("smcKeyGetByIndex: Key out or range: %#x, max %#x\n", iKey, RT_ELEMENTS(g_aSmcKeys) - SMC_KEYIDX_FIRST_ENUM));
824	bRc = SMC_STATUS_CD_KEY_NOT_FOUND;
825	}
826	return bRc;
827	}
828
829
830	/**
831	* Looks up a key by index and copies its attributes into the CurKey.
832	*
833	* @returns Apple SMC Status Code.
834	* @param pThis The SMC instance data.
835	*/
836	static uint8_t smcKeyGetAttrByName(PDEVSMC pThis)
837	{
838	uint8_t bRc;
839	#ifdef LOG_ENABLED
840	uint32_t const uKeyValueLog = RT_H2LE_U32(pThis->CurKey.Key.u32);
841	#endif
842	uint32_t iKey = smcKeyLookup(pThis->CurKey.Key.u32);
843	if (iKey != UINT32_MAX)
844	{
845	pThis->CurKey.Type = g_aSmcKeys[iKey].Type;
846	pThis->CurKey.fAttr = g_aSmcKeys[iKey].fAttr;
847	pThis->CurKey.cbValue = g_aSmcKeys[iKey].cbValue;
848	RT_ZERO(pThis->CurKey.Value);
849	if (g_aSmcKeys[iKey].cbValue)
850	bRc = SMC_STATUS_CD_SUCCESS;
851	else
852	bRc = g_aSmcKeys[iKey].pfnGet(pThis, &pThis->CurKey, pThis->bCmd, &g_aSmcKeys[iKey]);
853	if (bRc == SMC_STATUS_CD_SUCCESS)
854	{
855	LogFlow(("smcKeyGetAttrByName: key=%4.4s value=%.*Rhxs\n",
856	&uKeyValueLog, pThis->CurKey.cbValue, &pThis->CurKey.Value));
857	return SMC_STATUS_CD_SUCCESS;
858	}
859
860	Log(("smcKeyGetAttrByName: key=%4.4s getter failed! bRc=%#x\n", &uKeyValueLog, bRc));
861	}
862	else
863	{
864	Log(("smcKeyGetAttrByName: Key not found! key=%4.4s size=%#x\n", &uKeyValueLog, pThis->CurKey.cbValue));
865	bRc = SMC_STATUS_CD_KEY_NOT_FOUND;
866	}
867
868	RT_ZERO(pThis->CurKey);
869	return bRc;
870	}
871
872
873	static uint8_t smcKeyPutPrepare(PDEVSMC pThis)
874	{
875	RT_NOREF1(pThis);
876	return 0;
877	}
878
879	static uint8_t smcKeyPutValue(PDEVSMC pThis)
880	{
881	RT_NOREF1(pThis);
882	return 0;
883	}
884
885
886	/**
887	* Data register read.
888	*
889	* @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
890	* @param uReg The register number.
891	* @param pbValue Where to return the value.
892	*/
893	static VBOXSTRICTRC smcRegData_r(PDEVSMC pThis, uint8_t uReg, uint8_t *pbValue)
894	{
895	RT_NOREF1(uReg);
896	switch (pThis->bCmd)
897	{
898	case SMC_CMD_GET_KEY_VALUE:
899	if ( pThis->u.s.bState == 0x05
900	&& pThis->offValue < pThis->CurKey.cbValue)
901	{
902	*pbValue = pThis->CurKey.Value.ab[pThis->offValue];
903	if (++pThis->offValue >= pThis->CurKey.cbValue)
904	pThis->u.s.bState = 0x00;
905	pThis->u.s.bStatusCode = SMC_STATUS_CD_SUCCESS;
906	}
907	else
908	{
909	Log(("smcRegData_r: Reading too much or at wrong time during SMC_CMD_GET_KEY_INFO! bState=%#x offValue=%#x\n",
910	pThis->u.s.bState, pThis->offValue));
911	pThis->u.s.bState = 0x00;
912	pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA; /** @todo check status code */
913	}
914	break;
915
916	case SMC_CMD_GET_KEY_INFO:
917	if ( pThis->u.s.bState == 0x05
918	&& pThis->offValue < 6)
919	{
920	if (pThis->offValue == 0)
921	*pbValue = pThis->CurKey.cbValue;
922	else if (pThis->offValue < 1 + 4)
923	*pbValue = pThis->CurKey.Type.ab[pThis->offValue - 1];
924	else
925	*pbValue = pThis->CurKey.fAttr;
926	if (++pThis->offValue >= 6)
927	pThis->u.s.bState = 0x00;
928	pThis->u.s.bStatusCode = SMC_STATUS_CD_SUCCESS;
929	}
930	else
931	{
932	Log(("smcRegData_r: Reading too much or at wrong time during SMC_CMD_GET_KEY_INFO! bState=%#x offValue=%#x\n",
933	pThis->u.s.bState, pThis->offValue));
934	pThis->u.s.bState = 0x00;
935	pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA; /** @todo check status code */
936	}
937	break;
938
939	case SMC_CMD_GET_KEY_BY_INDEX:
940	if ( pThis->u.s.bState == 0x05
941	&& pThis->offValue < sizeof(pThis->CurKey.Key))
942	{
943	*pbValue = pThis->CurKey.Key.ab[pThis->offValue];
944	if (++pThis->offValue >= sizeof(pThis->CurKey.Key))
945	pThis->u.s.bState = 0x00;
946	pThis->u.s.bStatusCode = SMC_STATUS_CD_SUCCESS;
947	}
948	else
949	{
950	Log(("smcRegData_r: Reading too much or at wrong time during GET_KEY_BY_INDEX! bState=%#x offValue=%#x\n",
951	pThis->u.s.bState, pThis->offValue));
952	pThis->u.s.bState = 0x00;
953	pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA; /** @todo check status code */
954	}
955	break;
956
957	case SMC_CMD_PUT_KEY:
958	Log(("smcRegData_r: Attempting to read data during PUT_KEY!\n"));
959	*pbValue = 0xff;
960	pThis->u.s.bState = 0;
961	pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA;
962	break;
963
964	default:
965	Log(("smcRegData_r: Unknown command attempts reading data\n"));
966	*pbValue = 0xff;
967	pThis->u.s.bState = 0;
968	pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA;
969	break;
970	}
971
972	return VINF_SUCCESS;
973	}
974
975
976	/**
977	* Data register write.
978	*
979	* @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
980	* @param uReg The register number.
981	* @param bValue The value being written.
982	*/
983	static VBOXSTRICTRC smcRegData_w(PDEVSMC pThis, uint8_t uReg, uint8_t bValue)
984	{
985	RT_NOREF1(uReg);
986	switch (pThis->bCmd)
987	{
988	/*
989	* Get or put key value.
990	*
991	* 5 bytes written, first 4 is the key the 5th is the value size. In
992	* the case of a put the value bytes are then written, while a get will
993	* read the value bytes.
994	*/
995	case SMC_CMD_GET_KEY_VALUE:
996	case SMC_CMD_PUT_KEY:
997	if (pThis->offKey < 4)
998	{
999	/* Key byte. */
1000	pThis->CurKey.Key.ab[pThis->offKey++] = bValue;
1001	pThis->u.s.bState = 0x04;
1002	pThis->u.s.bStatusCode = SMC_STATUS_CD_SUCCESS;
1003	}
1004	else if (pThis->offKey == 4)
1005	{
1006	/* Data length. */
1007	pThis->u.s.bState = 0;
1008	if (bValue <= sizeof(pThis->CurKey.Value))
1009	{
1010	pThis->CurKey.cbValue = bValue;
1011	pThis->offKey = 5;
1012	Assert(pThis->offValue == 0);
1013
1014	if (pThis->bCmd == SMC_CMD_GET_KEY_VALUE)
1015	pThis->u.s.bStatusCode = smcKeyGetByName(pThis);
1016	else
1017	pThis->u.s.bStatusCode = smcKeyPutPrepare(pThis);
1018	if (pThis->u.s.bStatusCode == SMC_STATUS_CD_SUCCESS)
1019	pThis->u.s.bState = 0x05;
1020	}
1021	else
1022	{
1023	Log(("smcRegData_w: Guest attempts to get/put too many value bytes: %#x (max %#x)!\n",
1024	bValue, sizeof(pThis->CurKey.Value)));
1025	pThis->u.s.bStatusCode = SMC_STATUS_CD_KEY_SIZE_MISMATCH; /** @todo check this case! */
1026	}
1027	}
1028	else if ( pThis->bCmd == SMC_CMD_PUT_KEY
1029	&& pThis->offValue < pThis->CurKey.cbValue)
1030	{
1031	/* More value bytes for put key action. */
1032	pThis->CurKey.Value.ab[pThis->offValue++] = bValue;
1033	if (pThis->offValue != pThis->CurKey.cbValue)
1034	pThis->u.s.bState = 0x05;
1035	else
1036	{
1037	pThis->u.s.bState = 0x00;
1038	pThis->u.s.bStatusCode = smcKeyPutValue(pThis);
1039	}
1040	}
1041	else
1042	{
1043	Log(("smcRegData_w: Writing too much data on %s command!\n", pThis->bCmd == SMC_CMD_PUT_KEY ? "put" : "get"));
1044	pThis->u.s.bState = 0x00;
1045	pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA;
1046	}
1047	break;
1048
1049	/*
1050	* Get key info and key by index seems to take action after the last
1051	* key char is written. They then both go into a data reading phase.
1052	*/
1053	case SMC_CMD_GET_KEY_INFO:
1054	case SMC_CMD_GET_KEY_BY_INDEX:
1055	if (pThis->offKey < 4)
1056	{
1057	pThis->CurKey.Key.ab[pThis->offKey] = bValue;
1058	if (++pThis->offKey == 4)
1059	{
1060	if (pThis->bCmd == SMC_CMD_GET_KEY_BY_INDEX)
1061	pThis->u.s.bStatusCode = smcKeyGetByIndex(pThis);
1062	else
1063	pThis->u.s.bStatusCode = smcKeyGetAttrByName(pThis);
1064	pThis->u.s.bState = pThis->u.s.bStatusCode == SMC_STATUS_CD_SUCCESS ? 0x05 : 0x00;
1065	}
1066	else
1067	{
1068	pThis->u.s.bState = 0x04;
1069	pThis->u.s.bStatusCode = SMC_STATUS_CD_SUCCESS;
1070	}
1071	}
1072	else
1073	{
1074	Log(("smcRegData_w: Writing data beyond 5th byte on get %s command!\n",
1075	pThis->bCmd == SMC_CMD_GET_KEY_INFO ? "info" : "by index"));
1076	pThis->u.s.bState = 0x00;
1077	pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA;
1078	}
1079	break;
1080
1081	default:
1082	Log(("smcRegData_w: Unknown command %#x!\n", bValue));
1083	pThis->u.s.bState = 0x00; /** @todo Check statuses with real HW. */
1084	pThis->u.s.bStatusCode = SMC_STATUS_CD_BAD_COMMAND;
1085	break;
1086	}
1087	return VINF_SUCCESS;
1088	}
1089
1090
1091	/**
1092	* Command register write.
1093	*
1094	* @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
1095	* @param uReg The register number.
1096	* @param bValue The value being written.
1097	*/
1098	static VBOXSTRICTRC smcRegCmd_w(PDEVSMC pThis, uint8_t uReg, uint8_t bValue)
1099	{
1100	LogFlow(("smcRegCmd_w: New command: %#x (old=%#x)\n", bValue, pThis->bCmd)); NOREF(uReg);
1101
1102	pThis->bCmd = bValue;
1103
1104	/* Validate the command. */
1105	switch (bValue)
1106	{
1107	case SMC_CMD_GET_KEY_VALUE:
1108	case SMC_CMD_PUT_KEY:
1109	case SMC_CMD_GET_KEY_BY_INDEX:
1110	case SMC_CMD_GET_KEY_INFO:
1111	pThis->u.s.bState = 0x0c;
1112	pThis->u.s.bStatusCode = SMC_STATUS_CD_SUCCESS;
1113	break;
1114
1115	default:
1116	Log(("SMC: Unknown command %#x!\n", bValue));
1117	pThis->u.s.bState = 0x00; /** @todo Check state with real HW. */
1118	pThis->u.s.bStatusCode = SMC_STATUS_CD_BAD_COMMAND;
1119	break;
1120	}
1121
1122	/* Reset the value/key related state. */
1123	pThis->offKey = 0;
1124	pThis->offValue = 0;
1125	pThis->CurKey.Key.u32 = 0;
1126	pThis->CurKey.cbValue = 0;
1127
1128	return VINF_SUCCESS;
1129	}
1130
1131
1132	/**
1133	* Generic register write.
1134	*
1135	* @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
1136	* @param uReg The register number.
1137	* @param bValue The value being written.
1138	*/
1139	static VBOXSTRICTRC smcRegGen_w(PDEVSMC pThis, uint8_t uReg, uint8_t bValue)
1140	{
1141	Log(("smcRegGen_w: %#04x: %#x -> %#x (write)\n", uReg, pThis->u.abRegsRW[uReg], bValue));
1142	pThis->u.abRegsRW[uReg] = bValue;
1143	return VINF_SUCCESS;
1144	}
1145
1146
1147	/**
1148	* Read from register that isn't writable and reads as 0xFF.
1149	*
1150	* @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
1151	* @param uReg The register number.
1152	* @param pbValue Where to return the value.
1153	*/
1154	static VBOXSTRICTRC smcRegGen_r(PDEVSMC pThis, uint8_t uReg, uint8_t *pbValue)
1155	{
1156	Log(("smcRegGen_r: %#04x: %#x (read)\n", uReg, pThis->u.abRegsRW[uReg]));
1157	*pbValue = pThis->u.abRegsRW[uReg];
1158	return VINF_SUCCESS;
1159	}
1160
1161
1162	/**
1163	* Write to register that isn't writable and reads as 0xFF.
1164	*
1165	* @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
1166	* @param uReg The register number.
1167	* @param bValue The value being written.
1168	*/
1169	static VBOXSTRICTRC smcRegFF_w(PDEVSMC pThis, uint8_t uReg, uint8_t bValue)
1170	{
1171	RT_NOREF3(pThis, uReg, bValue);
1172	Log(("SMC: %#04x: Writing %#x to unknown register!\n", uReg, bValue));
1173	return VINF_SUCCESS;
1174	}
1175
1176
1177	/**
1178	* Read from register that isn't writable and reads as 0xFF.
1179	*
1180	* @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
1181	* @param uReg The register number.
1182	* @param pbValue Where to return the value.
1183	*/
1184	static VBOXSTRICTRC smcRegFF_r(PDEVSMC pThis, uint8_t uReg, uint8_t *pbValue)
1185	{
1186	RT_NOREF2(pThis, uReg);
1187	Log(("SMC: %#04x: Reading from unknown register!\n", uReg));
1188	*pbValue = 0xff;
1189	return VINF_SUCCESS;
1190	}
1191
1192
1193
1194	/**
1195	* SMC register handlers (indexed by relative I/O port).
1196	*
1197	* The device seems to be all byte registers and will split wider
1198	* accesses between registers like if it was MMIO. To better illustrate it
1199	* here is the output of the code in devR0SmcInitOnce on a MacPro3,1:
1200	* @verbatim
1201	* SMC: 0x0300=0xffffff63 w={0xff63, 0xffff}, b={0x63 0xff 0xff 0xff}
1202	* SMC: 0x0301=0x0cffffff w={0xffff, 0x0cff}, b={0xff 0xff 0xff 0x0c}
1203	* SMC: 0x0302=0xff0cffff w={0xffff, 0xff0c}, b={0xff 0xff 0x0c 0xff}
1204	* SMC: 0x0303=0xffff0cff w={0x0cff, 0xffff}, b={0xff 0x0c 0xff 0xff}
1205	* SMC: 0x0304=0xffffff0c w={0xff0c, 0xffff}, b={0x0c 0xff 0xff 0xff}
1206	* SMC: 0x0305=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
1207	* SMC: 0x0306=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
1208	* SMC: 0x0307=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
1209	* SMC: 0x0308=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
1210	* SMC: 0x0309=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
1211	* SMC: 0x030a=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
1212	* SMC: 0x030b=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
1213	* SMC: 0x030c=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
1214	* SMC: 0x030d=0x00ffffff w={0xffff, 0x00ff}, b={0xff 0xff 0xff 0x00}
1215	* SMC: 0x030e=0x0000ffff w={0xffff, 0x0000}, b={0xff 0xff 0x00 0x00}
1216	* SMC: 0x030f=0x000000ff w={0x00ff, 0x0000}, b={0xff 0x00 0x00 0x00}
1217	* SMC: 0x0310=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
1218	* SMC: 0x0311=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
1219	* SMC: 0x0312=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
1220	* SMC: 0x0313=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
1221	* SMC: 0x0314=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
1222	* SMC: 0x0315=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
1223	* SMC: 0x0316=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
1224	* SMC: 0x0317=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
1225	* SMC: 0x0318=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
1226	* SMC: 0x0319=0xbe000000 w={0x0000, 0xbe00}, b={0x00 0x00 0x00 0xbe}
1227	* SMC: 0x031a=0xbabe0000 w={0x0000, 0xbabe}, b={0x00 0x00 0xbe 0xba}
1228	* SMC: 0x031b=0x00babe00 w={0xbe00, 0x00ba}, b={0x00 0xbe 0xba 0x00}
1229	* SMC: 0x031c=0xbe00babe w={0xbabe, 0xbe00}, b={0xbe 0xba 0x00 0xbe}
1230	* SMC: 0x031d=0xffbe00ba w={0x00ba, 0xffbe}, b={0xba 0x00 0xbe 0xff}
1231	* SMC: 0x031e=0xffffbe00 w={0xbe00, 0xffff}, b={0x00 0xbe 0xff 0xff}
1232	* SMC: 0x031f=0xffffffbe w={0xffbe, 0xffff}, b={0xbe 0xff 0xff 0xff}
1233	* @endverbatim
1234	*
1235	* The last dword is writable (0xbeXXbabe) where in the register at 0x1e is some
1236	* kind of status register for qualifying search failures and the like and will
1237	* be cleared under certain conditions. The whole dword can be written and read
1238	* back unchanged, according to my experiments. The 0x00 and 0x04 registers
1239	* does not read back what is written.
1240	*
1241	* My guess is that the 0xff values indicates ports that are not writable and
1242	* hardwired to 0xff, while the other values indicates ports that can be written
1243	* to and normally read back as written. I'm not going to push my luck too far
1244	* wrt to exact behavior until I see the guest using the registers.
1245	*/
1246	static const struct
1247	{
1248	VBOXSTRICTRC (*pfnWrite)(PDEVSMC pThis, uint8_t uReg, uint8_t bValue);
1249	VBOXSTRICTRC (pfnRead)(PDEVSMC pThis, uint8_t uReg, uint8_t pbValue);
1250	} g_aSmcRegs[SMC_REG_COUNT] =
1251	{
1252	/* [0x00] = */ { smcRegData_w, smcRegData_r },
1253	/* [0x01] = */ { smcRegFF_w, smcRegFF_r },
1254	/* [0x02] = */ { smcRegFF_w, smcRegFF_r },
1255	/* [0x03] = */ { smcRegFF_w, smcRegFF_r },
1256	/* [0x04] = */ { smcRegCmd_w, smcRegGen_r },
1257	/* [0x05] = */ { smcRegFF_w, smcRegFF_r },
1258	/* [0x06] = */ { smcRegFF_w, smcRegFF_r },
1259	/* [0x07] = */ { smcRegFF_w, smcRegFF_r },
1260	/* [0x08] = */ { smcRegFF_w, smcRegFF_r },
1261	/* [0x09] = */ { smcRegFF_w, smcRegFF_r },
1262	/* [0x0a] = */ { smcRegFF_w, smcRegFF_r },
1263	/* [0x0b] = */ { smcRegFF_w, smcRegFF_r },
1264	/* [0x0c] = */ { smcRegFF_w, smcRegFF_r },
1265	/* [0x0d] = */ { smcRegFF_w, smcRegFF_r },
1266	/* [0x0e] = */ { smcRegFF_w, smcRegFF_r },
1267	/* [0x0f] = */ { smcRegFF_w, smcRegFF_r },
1268	/* [0x10] = */ { smcRegGen_w, smcRegGen_r },
1269	/* [0x11] = */ { smcRegGen_w, smcRegGen_r },
1270	/* [0x12] = */ { smcRegGen_w, smcRegGen_r },
1271	/* [0x13] = */ { smcRegGen_w, smcRegGen_r },
1272	/* [0x14] = */ { smcRegGen_w, smcRegGen_r },
1273	/* [0x15] = */ { smcRegGen_w, smcRegGen_r },
1274	/* [0x16] = */ { smcRegGen_w, smcRegGen_r },
1275	/* [0x17] = */ { smcRegGen_w, smcRegGen_r },
1276	/* [0x18] = */ { smcRegGen_w, smcRegGen_r },
1277	/* [0x19] = */ { smcRegGen_w, smcRegGen_r },
1278	/* [0x1a] = */ { smcRegGen_w, smcRegGen_r },
1279	/* [0x1b] = */ { smcRegGen_w, smcRegGen_r },
1280	/* [0x1c] = */ { smcRegGen_w, smcRegGen_r },
1281	/* [0x1d] = */ { smcRegGen_w, smcRegGen_r },
1282	/* [0x1e] = */ { smcRegGen_w, smcRegGen_r },
1283	/* [0x1f] = */ { smcRegGen_w, smcRegGen_r },
1284	};
1285
1286
1287	/**
1288	* @callback_method_impl{FNIOMIOPORTNEWOUT}
1289	*/
1290	static DECLCALLBACK(VBOXSTRICTRC) smcIoPortWrite(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT offPort, uint32_t u32, unsigned cb)
1291	{
1292	RT_NOREF1(pvUser);
1293	#ifndef IN_RING3
1294	if (cb > 1)
1295	{
1296	Log3(("smcIoPortWrite: %#04x write access: %#x (LB %u) -> ring-3\n", offPort, u32, cb));
1297	return VINF_IOM_R3_IOPORT_WRITE;
1298	}
1299	#endif
1300	#ifdef LOG_ENABLED
1301	RTIOPORT const offPortLog = offPort;
1302	unsigned const cbLog = cb;
1303	#endif
1304
1305	/*
1306	* The first register, usually only one is accessed.
1307	*/
1308	PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
1309	AssertReturn(offPort < RT_ELEMENTS(g_aSmcRegs), VERR_INTERNAL_ERROR_3); /* impossible*/
1310	VBOXSTRICTRC rc = g_aSmcRegs[offPort].pfnWrite(pThis, offPort, u32);
1311
1312	/*
1313	* On the off chance that multiple registers are being read.
1314	*/
1315	if (cb > 1)
1316	{
1317	while (cb > 1 && offPort < SMC_REG_COUNT - 1)
1318	{
1319	cb--;
1320	offPort++;
1321	u32 >>= 8;
1322	VBOXSTRICTRC rc2 = g_aSmcRegs[offPort].pfnWrite(pThis, offPort, u32);
1323	if (rc2 != VINF_SUCCESS)
1324	{
1325	if ( rc == VINF_SUCCESS
1326	\|\| (RT_FAILURE(rc2) && RT_SUCCESS(rc))
1327	\|\| (rc2 < rc && RT_SUCCESS(rc2) && RT_SUCCESS(rc)))
1328	rc = rc2;
1329	}
1330	}
1331	}
1332
1333	LogFlow(("smcIoPortWrite: %#04x write access: %#x (LB %u) rc=%Rrc\n", offPortLog, u32, cbLog, VBOXSTRICTRC_VAL(rc) ));
1334	return rc;
1335	}
1336
1337
1338	/**
1339	* @callback_method_impl{FNIOMIOPORTNEWIN}
1340	*/
1341	static DECLCALLBACK(VBOXSTRICTRC) smcIoPortRead(PPDMDEVINS pDevIns, void pvUser, RTIOPORT offPort, uint32_t pu32, unsigned cb)
1342	{
1343	RT_NOREF1(pvUser);
1344	#ifndef IN_RING3
1345	if (cb > 1)
1346	return VINF_IOM_R3_IOPORT_READ;
1347	#endif
1348
1349	PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
1350	#ifdef LOG_ENABLED
1351	RTIOPORT const offPortLog = offPort;
1352	unsigned const cbLog = cb;
1353	#endif
1354
1355	/*
1356	* The first register, usually only one is accessed.
1357	*/
1358	AssertReturn(offPort < RT_ELEMENTS(g_aSmcRegs), VERR_INTERNAL_ERROR_3); /* impossible*/
1359	Log2(("smcIoPortRead: %#04x read access: LB %u\n", offPort, cb));
1360	uint8_t bValue = 0xff;
1361	VBOXSTRICTRC rc = g_aSmcRegs[offPort].pfnRead(pThis, offPort, &bValue);
1362	*pu32 = bValue;
1363
1364	/*
1365	* On the off chance that multiple registers are being read.
1366	*/
1367	if (cb > 1)
1368	{
1369	do
1370	{
1371	cb--;
1372	offPort++;
1373	bValue = 0xff;
1374	if (offPort < SMC_REG_COUNT)
1375	{
1376	VBOXSTRICTRC rc2 = g_aSmcRegs[offPort].pfnRead(pThis, offPort, &bValue);
1377	if (rc2 != VINF_SUCCESS)
1378	{
1379	if ( rc == VINF_SUCCESS
1380	\|\| (RT_FAILURE(rc2) && RT_SUCCESS(rc))
1381	\|\| (rc2 < rc && RT_SUCCESS(rc2) && RT_SUCCESS(rc)))
1382	rc = rc2;
1383	}
1384	}
1385	pu32 \|= (uint32_t)bValue << ((4 - cb) 8);
1386	} while (cb > 1);
1387	}
1388	LogFlow(("smcIoPortRead: %#04x read access: %#x (LB %u) rc=%Rrc\n", offPortLog, *pu32, cbLog, VBOXSTRICTRC_VAL(rc)));
1389	return rc;
1390	}
1391
1392	#ifdef IN_RING3
1393
1394	/** @callback_method_impl{FNSSMDEVSAVEEXEC} */
1395	static DECLCALLBACK(int) smcR3SaveExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1396	{
1397	PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
1398	RT_NOREF2(pSSM, pThis);
1399
1400	/** @todo */
1401
1402	return VINF_SUCCESS;
1403	}
1404
1405
1406	/** @callback_method_impl{FNSSMDEVLOADEXEC} */
1407	static DECLCALLBACK(int) smcR3LoadExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass)
1408	{
1409	PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
1410	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
1411	RT_NOREF2(pSSM, pThis);
1412
1413	/* Fend off unsupported versions. */
1414	if ( uVersion != SMC_SAVED_STATE_VERSION
1415	#if SMC_SAVED_STATE_VERSION != SMC_SAVED_STATE_VERSION_BAKA
1416	&& uVersion != SMC_SAVED_STATE_VERSION_BAKA
1417	#endif
1418	&& uVersion != SMC_SAVED_STATE_VERSION_BAKA + 1)
1419	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
1420
1421	/*
1422	* Do the actual restoring.
1423	*/
1424	if (uVersion == SMC_SAVED_STATE_VERSION)
1425	{
1426	/** @todo */
1427	}
1428
1429	return VINF_SUCCESS;
1430	}
1431
1432
1433	/**
1434	* @interface_method_impl{PDMDEVREG,pfnConstruct}
1435	*/
1436	static DECLCALLBACK(int) smcR3Construct(PPDMDEVINS pDevIns, int iInstance, PCFGMNODE pCfg)
1437	{
1438	PDMDEV_CHECK_VERSIONS_RETURN(pDevIns);
1439	PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
1440	PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
1441
1442	Assert(iInstance == 0); RT_NOREF1(iInstance);
1443
1444	/*
1445	* Init the data.
1446	*/
1447	pThis->bDollaryNumber = 1;
1448	pThis->bShutdownReason = 3; /* STOP_CAUSE_POWERKEY_GOOD_CODE */
1449
1450	/*
1451	* Validate configuration.
1452	*/
1453	PDMDEV_VALIDATE_CONFIG_RETURN(pDevIns, "DeviceKey\|GetKeyFromRealSMC", "");
1454
1455	/*
1456	* Read configuration.
1457	*/
1458
1459	/* The DeviceKey sets OSK0 and OSK1. */
1460	int rc = pHlp->pfnCFGMQueryStringDef(pCfg, "DeviceKey", pThis->szOsk0And1, sizeof(pThis->szOsk0And1), "");
1461	if (RT_FAILURE(rc))
1462	return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
1463	N_("Configuration error: Querying \"DeviceKey\" as a string failed"));
1464
1465	/* Query the key from the OS / real hardware if asked to do so. */
1466	bool fGetKeyFromRealSMC;
1467	rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "GetKeyFromRealSMC", &fGetKeyFromRealSMC, false);
1468	if (RT_FAILURE(rc))
1469	return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
1470	N_("Configuration error: Querying \"GetKeyFromRealSMC\" as a boolean failed"));
1471	if (fGetKeyFromRealSMC)
1472	{
1473	# ifdef RT_OS_DARWIN
1474	rc = getSmcKeyOs(pThis->szOsk0And1, sizeof(pThis->szOsk0And1));
1475	if (RT_FAILURE(rc))
1476	{
1477	LogRel(("SMC: Retrieving the SMC key from the OS failed (%Rrc), trying to read it from hardware\n", rc));
1478	# endif
1479	rc = PDMDevHlpCallR0(pDevIns, SMC_CALLR0_READ_OSK, 0 /uArg/);
1480	if (RT_SUCCESS(rc))
1481	LogRel(("SMC: Successfully retrieved the SMC key from hardware\n"));
1482	else
1483	LogRel(("SMC: Retrieving the SMC key from hardware failed(%Rrc)\n", rc));
1484	# ifdef RT_OS_DARWIN
1485	}
1486	else
1487	LogRel(("SMC: Successfully retrieved the SMC key from the OS\n"));
1488	# endif
1489	if (RT_FAILURE(rc))
1490	return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
1491	N_("Failed to query SMC value from the host"));
1492	}
1493
1494	/*
1495	* Register I/O Ports
1496	*/
1497	rc = PDMDevHlpIoPortCreateAndMap(pDevIns, SMC_PORT_FIRST, SMC_REG_COUNT, smcIoPortWrite, smcIoPortRead,
1498	"SMC data port", NULL, &pThis->hIoPorts);
1499	AssertRCReturn(rc, rc);
1500
1501	/** @todo Newer versions (2.03) have an MMIO mapping as well (ACPI). */
1502
1503
1504	/*
1505	* Saved state.
1506	*/
1507	rc = PDMDevHlpSSMRegister(pDevIns, SMC_SAVED_STATE_VERSION, sizeof(*pThis), smcR3SaveExec, smcR3LoadExec);
1508	if (RT_FAILURE(rc))
1509	return rc;
1510
1511	return VINF_SUCCESS;
1512	}
1513
1514	#else /* !IN_RING3 */
1515
1516	/**
1517	* @callback_method_impl{PDMDEVREGR0,pfnConstruct}
1518	*/
1519	static DECLCALLBACK(int) smcRZConstruct(PPDMDEVINS pDevIns)
1520	{
1521	PDMDEV_CHECK_VERSIONS_RETURN(pDevIns);
1522	PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
1523
1524	int rc = PDMDevHlpIoPortSetUpContext(pDevIns, pThis->hIoPorts, smcIoPortWrite, smcIoPortRead, NULL /pvUser/);
1525	AssertRCReturn(rc, rc);
1526	RT_NOREF(pThis);
1527
1528	return VINF_SUCCESS;
1529	}
1530
1531	#endif /* !IN_RING3 */
1532
1533
1534	/**
1535	* The device registration structure.
1536	*/
1537	const PDMDEVREG g_DeviceSmc =
1538	{
1539	/* .u32Version = */ PDM_DEVREG_VERSION,
1540	/* .uReserved0 = */ 0,
1541	/* .szName = */ "smc",
1542	/* .fFlags = */ PDM_DEVREG_FLAGS_DEFAULT_BITS \| PDM_DEVREG_FLAGS_RZ \| PDM_DEVREG_FLAGS_NEW_STYLE,
1543	/* .fClass = */ PDM_DEVREG_CLASS_ARCH,
1544	/* .cMaxInstances = */ 1,
1545	/* .uSharedVersion = */ 42,
1546	/* .cbInstanceShared = */ sizeof(DEVSMC),
1547	/* .cbInstanceCC = */ 0,
1548	/* .cbInstanceRC = */ 0,
1549	/* .cMaxPciDevices = */ 0,
1550	/* .cMaxMsixVectors = */ 0,
1551	/* .pszDescription = */ "Apple System Management Controller",
1552	#if defined(IN_RING3)
1553	/* .pszRCMod = */ "VBoxDDRC.rc",
1554	/* .pszR0Mod = */ "VBoxDDR0.r0",
1555	/* .pfnConstruct = */ smcR3Construct,
1556	/* .pfnDestruct = */ NULL,
1557	/* .pfnRelocate = */ NULL,
1558	/* .pfnMemSetup = */ NULL,
1559	/* .pfnPowerOn = */ NULL,
1560	/* .pfnReset = */ NULL,
1561	/* .pfnSuspend = */ NULL,
1562	/* .pfnResume = */ NULL,
1563	/* .pfnAttach = */ NULL,
1564	/* .pfnDetach = */ NULL,
1565	/* .pfnQueryInterface = */ NULL,
1566	/* .pfnInitComplete = */ NULL,
1567	/* .pfnPowerOff = */ NULL,
1568	/* .pfnSoftReset = */ NULL,
1569	/* .pfnReserved0 = */ NULL,
1570	/* .pfnReserved1 = */ NULL,
1571	/* .pfnReserved2 = */ NULL,
1572	/* .pfnReserved3 = */ NULL,
1573	/* .pfnReserved4 = */ NULL,
1574	/* .pfnReserved5 = */ NULL,
1575	/* .pfnReserved6 = */ NULL,
1576	/* .pfnReserved7 = */ NULL,
1577	#elif defined(IN_RING0)
1578	/* .pfnEarlyConstruct = */ NULL,
1579	/* .pfnConstruct = */ smcRZConstruct,
1580	/* .pfnDestruct = */ NULL,
1581	/* .pfnFinalDestruct = */ NULL,
1582	# if defined(RT_ARCH_AMD64) \|\| defined(RT_ARCH_X86)
1583	/* .pfnRequest = */ devR0SmcReqHandler,
1584	# else
1585	/* .pfnRequest = */ NULL,
1586	# endif
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	#elif defined(IN_RC)
1596	/* .pfnConstruct = */ smcRZConstruct,
1597	/* .pfnReserved0 = */ NULL,
1598	/* .pfnReserved1 = */ NULL,
1599	/* .pfnReserved2 = */ NULL,
1600	/* .pfnReserved3 = */ NULL,
1601	/* .pfnReserved4 = */ NULL,
1602	/* .pfnReserved5 = */ NULL,
1603	/* .pfnReserved6 = */ NULL,
1604	/* .pfnReserved7 = */ NULL,
1605	#else
1606	# error "Not in IN_RING3, IN_RING0 or IN_RC!"
1607	#endif
1608	/* .u32VersionEnd = */ PDM_DEVREG_VERSION
1609	};
1610
1611	#endif /* VBOX_DEVICE_STRUCT_TESTCASE */

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source: vbox/trunk/src/VBox/Devices/EFI/DevSmc.cpp@ 98103

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