DevLsiLogicSCSI.cpp@ 99286

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1	/* $Id: DevLsiLogicSCSI.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2	/** @file
3	* DevLsiLogicSCSI - LsiLogic LSI53c1030 SCSI controller.
4	*/
5
6	/*
7	* Copyright (C) 2006-2023 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* SPDX-License-Identifier: GPL-3.0-only
26	*/
27
28
29	/*********************************************************************************************************************************
30	* Header Files *
31	*********************************************************************************************************************************/
32	#define LOG_GROUP LOG_GROUP_DEV_LSILOGICSCSI
33	#include <VBox/vmm/pdmdev.h>
34	#include <VBox/vmm/pdmstorageifs.h>
35	#include <VBox/vmm/pdmqueue.h>
36	#include <VBox/vmm/pdmthread.h>
37	#include <VBox/vmm/pdmcritsect.h>
38	#include <VBox/AssertGuest.h>
39	#include <VBox/scsi.h>
40	#include <VBox/sup.h>
41	#include <iprt/assert.h>
42	#include <iprt/asm.h>
43	#include <iprt/string.h>
44	#include <iprt/list.h>
45	#ifdef IN_RING3
46	# include <iprt/memcache.h>
47	# include <iprt/mem.h>
48	# include <iprt/param.h>
49	# include <iprt/uuid.h>
50	# include <iprt/time.h>
51	#endif
52
53	#include "DevLsiLogicSCSI.h"
54	#include "VBoxSCSI.h"
55
56	#include "VBoxDD.h"
57
58
59	/*********************************************************************************************************************************
60	* Defined Constants And Macros *
61	*********************************************************************************************************************************/
62	/** The current saved state version. */
63	#define LSILOGIC_SAVED_STATE_VERSION 6
64	/** The saved state version used by VirtualBox before removal of the
65	* VBoxSCSI BIOS interface. */
66	#define LSILOGIC_SAVED_STATE_VERSION_PRE_VBOXSCSI_REMOVAL 5
67	/** The saved state version used by VirtualBox before the diagnostic
68	* memory access was implemented. */
69	#define LSILOGIC_SAVED_STATE_VERSION_PRE_DIAG_MEM 4
70	/** The saved state version used by VirtualBox before the doorbell status flag
71	* was changed from bool to a 32bit enum. */
72	#define LSILOGIC_SAVED_STATE_VERSION_BOOL_DOORBELL 3
73	/** The saved state version used by VirtualBox before SAS support was added. */
74	#define LSILOGIC_SAVED_STATE_VERSION_PRE_SAS 2
75	/** The saved state version used by VirtualBox 3.0 and earlier. It does not
76	* include the device config part. */
77	#define LSILOGIC_SAVED_STATE_VERSION_VBOX_30 1
78
79	/** Maximum number of entries in the release log. */
80	#define MAX_REL_LOG_ERRORS 1024
81
82	#define LSILOGIC_RTGCPHYS_FROM_U32(Hi, Lo) ( (RTGCPHYS)RT_MAKE_U64(Lo, Hi) )
83
84	/** Upper number a buffer is freed if it was too big before. */
85	#define LSILOGIC_MAX_ALLOC_TOO_MUCH 20
86
87	/** Maximum size of the memory regions (prevents teh guest from DOSing the host by
88	* allocating loadds of memory). */
89	#define LSILOGIC_MEMORY_REGIONS_MAX _1M
90
91
92	/*********************************************************************************************************************************
93	* Structures and Typedefs *
94	*********************************************************************************************************************************/
95
96	/** Pointer to the shared instance data for the LsiLogic emulation. */
97	typedef struct LSILOGICSCSI *PLSILOGICSCSI;
98
99	#ifdef IN_RING3
100	/**
101	* Memory buffer callback.
102	*
103	* @returns nothing.
104	* @param pDevIns The device instance.
105	* @param GCPhys The guest physical address of the memory buffer.
106	* @param pSgBuf The pointer to the host R3 S/G buffer.
107	* @param cbCopy How many bytes to copy between the two buffers.
108	* @param pcbSkip Initially contains the amount of bytes to skip
109	* starting from the guest physical address before
110	* accessing the S/G buffer and start copying data.
111	* On return this contains the remaining amount if
112	* cbCopy < *pcbSkip or 0 otherwise.
113	*/
114	typedef DECLCALLBACKTYPE(void, FNLSILOGICR3MEMCOPYCALLBACK,(PPDMDEVINS pDevIns, RTGCPHYS GCPhys,
115	PRTSGBUF pSgBuf, size_t cbCopy, size_t *pcbSkip));
116	/** Pointer to a memory copy buffer callback. */
117	typedef FNLSILOGICR3MEMCOPYCALLBACK *PFNLSILOGICR3MEMCOPYCALLBACK;
118	#endif
119
120	/**
121	* Reply data.
122	*/
123	typedef struct LSILOGICSCSIREPLY
124	{
125	/** Lower 32 bits of the reply address in memory. */
126	uint32_t u32HostMFALowAddress;
127	/** Full address of the reply in guest memory. */
128	RTGCPHYS GCPhysReplyAddress;
129	/** Size of the reply. */
130	uint32_t cbReply;
131	/** Different views to the reply depending on the request type. */
132	MptReplyUnion Reply;
133	} LSILOGICSCSIREPLY;
134	/** Pointer to reply data. */
135	typedef LSILOGICSCSIREPLY *PLSILOGICSCSIREPLY;
136
137	/**
138	* Memory region of the IOC.
139	*/
140	typedef struct LSILOGICMEMREGN
141	{
142	/** List node. */
143	RTLISTNODE NodeList;
144	/** 32bit address the region starts to describe. */
145	uint32_t u32AddrStart;
146	/** 32bit address the region ends (inclusive). */
147	uint32_t u32AddrEnd;
148	/** Data for this region - variable. */
149	uint32_t au32Data[1];
150	} LSILOGICMEMREGN;
151	/** Pointer to a memory region. */
152	typedef LSILOGICMEMREGN *PLSILOGICMEMREGN;
153
154	/**
155	* State of a device attached to the buslogic host adapter.
156	*
157	* @implements PDMIBASE
158	* @implements PDMISCSIPORT
159	* @implements PDMILEDPORTS
160	*/
161	typedef struct LSILOGICDEVICE
162	{
163	/** Pointer to the owning lsilogic device instance - R3 pointer */
164	PPDMDEVINSR3 pDevIns;
165
166	/** LUN of the device. */
167	uint32_t iLUN;
168	/** Number of outstanding tasks on the port. */
169	volatile uint32_t cOutstandingRequests;
170
171	/** Our base interface. */
172	PDMIBASE IBase;
173	/** Media port interface. */
174	PDMIMEDIAPORT IMediaPort;
175	/** Extended media port interface. */
176	PDMIMEDIAEXPORT IMediaExPort;
177	/** Led interface. */
178	PDMILEDPORTS ILed;
179	/** Pointer to the attached driver's base interface. */
180	R3PTRTYPE(PPDMIBASE) pDrvBase;
181	/** Pointer to the attached driver's media interface. */
182	R3PTRTYPE(PPDMIMEDIA) pDrvMedia;
183	/** Pointer to the attached driver's extended media interface. */
184	R3PTRTYPE(PPDMIMEDIAEX) pDrvMediaEx;
185	/** The status LED state for this device. */
186	PDMLED Led;
187	/** Device name. */
188	char szName[16];
189	} LSILOGICDEVICE;
190	/** Pointer to a device state. */
191	typedef LSILOGICDEVICE *PLSILOGICDEVICE;
192
193	/** Pointer to a task state. */
194	typedef struct LSILOGICREQ *PLSILOGICREQ;
195
196
197	/**
198	* Shared instance data for the LsiLogic emulation.
199	*/
200	typedef struct LSILOGICSCSI
201	{
202	/** The state the controller is currently in. */
203	LSILOGICSTATE enmState;
204	/** Who needs to init the driver to get into operational state. */
205	LSILOGICWHOINIT enmWhoInit;
206	/** Flag whether we are in doorbell function. */
207	LSILOGICDOORBELLSTATE enmDoorbellState;
208	/** Flag whether diagnostic access is enabled. */
209	bool fDiagnosticEnabled;
210	/** Flag whether a notification was send to R3. */
211	bool fNotificationSent;
212	/** Flag whether the guest enabled event notification from the IOC. */
213	bool fEventNotificationEnabled;
214	/** Flag whether the diagnostic address and RW registers are enabled. */
215	bool fDiagRegsEnabled;
216
217	/** Number of device states allocated. */
218	uint32_t cDeviceStates;
219	uint32_t u32Padding1;
220
221	/** Interrupt mask. */
222	volatile uint32_t uInterruptMask;
223	/** Interrupt status register. */
224	volatile uint32_t uInterruptStatus;
225
226	/** Buffer for messages which are passed through the doorbell using the
227	* handshake method. */
228	uint32_t aMessage[sizeof(MptConfigurationRequest)]; /** @todo r=bird: Looks like 4 times the required size? Please explain in comment if this correct... */
229	/** Actual position in the buffer. */
230	uint32_t iMessage;
231	/** Size of the message which is given in the doorbell message in dwords. */
232	uint32_t cMessage;
233
234	/** Reply buffer.
235	* @note 60 bytes */
236	MptReplyUnion ReplyBuffer;
237	/** Next entry to read. */
238	uint32_t uNextReplyEntryRead;
239	/** Size of the reply in the buffer in 16bit words. */
240	uint32_t cReplySize;
241
242	/** The fault code of the I/O controller if we are in the fault state. */
243	uint16_t u16IOCFaultCode;
244	uint16_t u16Padding2;
245
246	/** Upper 32 bits of the message frame address to locate requests in guest memory. */
247	uint32_t u32HostMFAHighAddr;
248	/** Upper 32 bits of the sense buffer address. */
249	uint32_t u32SenseBufferHighAddr;
250	/** Maximum number of devices the driver reported he can handle. */
251	uint8_t cMaxDevices;
252	/** Maximum number of buses the driver reported he can handle. */
253	uint8_t cMaxBuses;
254	/** Current size of reply message frames in the guest. */
255	uint16_t cbReplyFrame;
256
257	/** Next key to write in the sequence to get access
258	* to diagnostic memory. */
259	uint32_t iDiagnosticAccess;
260
261	/** Number entries configured for the reply queue. */
262	uint32_t cReplyQueueEntries;
263	/** Number entries configured for the outstanding request queue. */
264	uint32_t cRequestQueueEntries;
265
266	/** Critical section protecting the reply post queue. */
267	PDMCRITSECT ReplyPostQueueCritSect;
268	/** Critical section protecting the reply free queue. */
269	PDMCRITSECT ReplyFreeQueueCritSect;
270	/** Critical section protecting the request queue against
271	* concurrent access from the guest. */
272	PDMCRITSECT RequestQueueCritSect;
273	/** Critical section protecting the reply free queue against
274	* concurrent write access from the guest. */
275	PDMCRITSECT ReplyFreeQueueWriteCritSect;
276
277	/** The reply free qeueue (only the first cReplyQueueEntries are used). */
278	uint32_t volatile aReplyFreeQueue[LSILOGICSCSI_REPLY_QUEUE_DEPTH_MAX];
279	/** The reply post qeueue (only the first cReplyQueueEntries are used). */
280	uint32_t volatile aReplyPostQueue[LSILOGICSCSI_REPLY_QUEUE_DEPTH_MAX];
281	/** The request qeueue (only the first cRequestQueueEntries are used). */
282	uint32_t volatile aRequestQueue[LSILOGICSCSI_REQUEST_QUEUE_DEPTH_MAX];
283
284	/** Next free entry in the reply queue the guest can write a address to. */
285	volatile uint32_t uReplyFreeQueueNextEntryFreeWrite;
286	/** Next valid entry the controller can read a valid address for reply frames from. */
287	volatile uint32_t uReplyFreeQueueNextAddressRead;
288
289	/** Next free entry in the reply queue the guest can write a address to. */
290	volatile uint32_t uReplyPostQueueNextEntryFreeWrite;
291	/** Next valid entry the controller can read a valid address for reply frames from. */
292	volatile uint32_t uReplyPostQueueNextAddressRead;
293
294	/** Next free entry the guest can write a address to a request frame to. */
295	volatile uint32_t uRequestQueueNextEntryFreeWrite;
296	/** Next valid entry the controller can read a valid address for request frames from. */
297	volatile uint32_t uRequestQueueNextAddressRead;
298
299	/** Indicates that PDMDevHlpAsyncNotificationCompleted should be called when
300	* a port is entering the idle state. */
301	bool volatile fSignalIdle;
302	/** Flag whether the worker thread is sleeping. */
303	volatile bool fWrkThreadSleeping;
304	bool afPadding3[2];
305
306	/** Current address to read from or write to in the diagnostic memory region. */
307	uint32_t u32DiagMemAddr;
308
309	/** Emulated controller type */
310	LSILOGICCTRLTYPE enmCtrlType;
311	/** Handle counter */
312	uint16_t u16NextHandle;
313
314	/** Number of ports this controller has. */
315	uint8_t cPorts;
316	uint8_t afPadding4;
317
318	/** The event semaphore the processing thread waits on. */
319	SUPSEMEVENT hEvtProcess;
320
321	/** PCI Region \#0: I/O ports register access. */
322	IOMIOPORTHANDLE hIoPortsReg;
323	/** PCI Region \#1: MMIO register access. */
324	IOMMMIOHANDLE hMmioReg;
325	/** PCI Region \#2: MMIO diag. */
326	IOMMMIOHANDLE hMmioDiag;
327	/** ISA Ports for the BIOS (when booting is configured). */
328	IOMIOPORTHANDLE hIoPortsBios;
329	} LSILOGICSCSI;
330	AssertCompileMemberAlignment(LSILOGICSCSI, ReplyPostQueueCritSect, 8);
331
332	/**
333	* Ring-3 instance data for the LsiLogic emulation.
334	*/
335	typedef struct LSILOGICSCSIR3
336	{
337	/** States for attached devices. */
338	R3PTRTYPE(PLSILOGICDEVICE) paDeviceStates;
339	/** Status LUN: The base interface. */
340	PDMIBASE IBase;
341	/** Status LUN: Leds interface. */
342	PDMILEDPORTS ILeds;
343	/** Status LUN: Partner of ILeds. */
344	R3PTRTYPE(PPDMILEDCONNECTORS) pLedsConnector;
345	/** Status LUN: Media Notifys. */
346	R3PTRTYPE(PPDMIMEDIANOTIFY) pMediaNotify;
347	/** Pointer to the configuration page area. */
348	R3PTRTYPE(PMptConfigurationPagesSupported) pConfigurationPages;
349
350	/** Current size of the memory regions. */
351	uint32_t cbMemRegns;
352	uint32_t u32Padding3;
353
354	/** Critical section protecting the memory regions. */
355	RTCRITSECT CritSectMemRegns;
356	/** List of memory regions - PLSILOGICMEMREGN. */
357	RTLISTANCHORR3 ListMemRegns;
358
359	/** Worker thread. */
360	R3PTRTYPE(PPDMTHREAD) pThreadWrk;
361
362	/** The device instace - only for getting bearings in interface methods. */
363	PPDMDEVINSR3 pDevIns;
364	} LSILOGICSCSIR3;
365	/** Pointer to the ring-3 instance data for the LsiLogic emulation. */
366	typedef LSILOGICSCSIR3 *PLSILOGICSCSIR3;
367
368
369	/**
370	* Ring-0 instance data for the LsiLogic emulation.
371	*/
372	typedef struct LSILOGICSCSIR0
373	{
374	uint64_t u64Unused;
375	} LSILOGICSCSIR0;
376	/** Pointer to the ring-0 instance data for the LsiLogic emulation. */
377	typedef LSILOGICSCSIR0 *PLSILOGICSCSIR0;
378
379
380	/**
381	* Raw-mode instance data for the LsiLogic emulation.
382	*/
383	typedef struct LSILOGICSCSIRC
384	{
385	uint64_t u64Unused;
386	} LSILOGICSCSIRC;
387	/** Pointer to the raw-mode instance data for the LsiLogic emulation. */
388	typedef LSILOGICSCSIRC *PLSILOGICSCSIRC;
389
390
391	/** The current context instance data for the LsiLogic emulation. */
392	typedef CTX_SUFF(LSILOGICSCSI) LSILOGICSCSICC;
393	/** Pointer to the current context instance data for the LsiLogic emulation. */
394	typedef CTX_SUFF(PLSILOGICSCSI) PLSILOGICSCSICC;
395
396
397	/**
398	* Task state object which holds all necessary data while
399	* processing the request from the guest.
400	*/
401	typedef struct LSILOGICREQ
402	{
403	/** I/O request handle. */
404	PDMMEDIAEXIOREQ hIoReq;
405	/** Next in the redo list. */
406	PLSILOGICREQ pRedoNext;
407	/** Target device. */
408	PLSILOGICDEVICE pTargetDevice;
409	/** The message request from the guest. */
410	MptRequestUnion GuestRequest;
411	/** Address of the message request frame in guests memory.
412	* Used to read the S/G entries in the second step. */
413	RTGCPHYS GCPhysMessageFrameAddr;
414	/** Physical start address of the S/G list. */
415	RTGCPHYS GCPhysSgStart;
416	/** Chain offset */
417	uint32_t cChainOffset;
418	/** Pointer to the sense buffer. */
419	uint8_t abSenseBuffer[18];
420	/** SCSI status code. */
421	uint8_t u8ScsiSts;
422	} LSILOGICREQ;
423
424
425	#ifndef VBOX_DEVICE_STRUCT_TESTCASE
426
427
428	/*********************************************************************************************************************************
429	* Internal Functions *
430	*********************************************************************************************************************************/
431	RT_C_DECLS_BEGIN
432	#ifdef IN_RING3
433	static void lsilogicR3InitializeConfigurationPages(PPDMDEVINS pDevIns, PLSILOGICSCSI pThis, PLSILOGICSCSICC pThisCC);
434	static void lsilogicR3ConfigurationPagesFree(PLSILOGICSCSI pThis, PLSILOGICSCSICC pThisCC);
435	static int lsilogicR3ProcessConfigurationRequest(PPDMDEVINS pDevIns, PLSILOGICSCSI pThis, PLSILOGICSCSICC pThisCC,
436	PMptConfigurationRequest pConfigurationReq, PMptConfigurationReply pReply);
437	#endif
438	RT_C_DECLS_END
439
440
441	/*********************************************************************************************************************************
442	* Global Variables *
443	*********************************************************************************************************************************/
444	/** Key sequence the guest has to write to enable access
445	* to diagnostic memory. */
446	static const uint8_t g_lsilogicDiagnosticAccess[] = {0x04, 0x0b, 0x02, 0x07, 0x0d};
447
448	/**
449	* Updates the status of the interrupt pin of the device.
450	*
451	* @returns nothing.
452	* @param pDevIns The device instance.
453	* @param pThis Pointer to the shared LsiLogic device state.
454	*/
455	static void lsilogicUpdateInterrupt(PPDMDEVINS pDevIns, PLSILOGICSCSI pThis)
456	{
457	uint32_t uIntSts;
458
459	LogFlowFunc(("Updating interrupts\n"));
460
461	/* Mask out doorbell status so that it does not affect interrupt updating. */
462	uIntSts = (ASMAtomicReadU32(&pThis->uInterruptStatus) & ~LSILOGIC_REG_HOST_INTR_STATUS_DOORBELL_STS);
463	/* Check maskable interrupts. */
464	uIntSts &= ~(ASMAtomicReadU32(&pThis->uInterruptMask) & ~LSILOGIC_REG_HOST_INTR_MASK_IRQ_ROUTING);
465
466	if (uIntSts)
467	{
468	LogFlowFunc(("Setting interrupt\n"));
469	PDMDevHlpPCISetIrq(pDevIns, 0, 1);
470	}
471	else
472	{
473	LogFlowFunc(("Clearing interrupt\n"));
474	PDMDevHlpPCISetIrq(pDevIns, 0, 0);
475	}
476	}
477
478	/**
479	* Sets a given interrupt status bit in the status register and
480	* updates the interrupt status.
481	*
482	* @returns nothing.
483	* @param pDevIns The device instance.
484	* @param pThis Pointer to the shared LsiLogic device state.
485	* @param uStatus The status bit to set.
486	*/
487	DECLINLINE(void) lsilogicSetInterrupt(PPDMDEVINS pDevIns, PLSILOGICSCSI pThis, uint32_t uStatus)
488	{
489	ASMAtomicOrU32(&pThis->uInterruptStatus, uStatus);
490	lsilogicUpdateInterrupt(pDevIns, pThis);
491	}
492
493	/**
494	* Clears a given interrupt status bit in the status register and
495	* updates the interrupt status.
496	*
497	* @returns nothing.
498	* @param pDevIns The device instance.
499	* @param pThis Pointer to the shared LsiLogic device state.
500	* @param uStatus The status bit to set.
501	*/
502	DECLINLINE(void) lsilogicClearInterrupt(PPDMDEVINS pDevIns, PLSILOGICSCSI pThis, uint32_t uStatus)
503	{
504	ASMAtomicAndU32(&pThis->uInterruptStatus, ~uStatus);
505	lsilogicUpdateInterrupt(pDevIns, pThis);
506	}
507
508
509	#ifdef IN_RING3
510	/**
511	* Sets the I/O controller into fault state and sets the fault code.
512	*
513	* @returns nothing
514	* @param pThis Pointer to the shared LsiLogic device state.
515	* @param uIOCFaultCode Fault code to set.
516	*/
517	DECLINLINE(void) lsilogicSetIOCFaultCode(PLSILOGICSCSI pThis, uint16_t uIOCFaultCode)
518	{
519	if (pThis->enmState != LSILOGICSTATE_FAULT)
520	{
521	LogFunc(("Setting I/O controller into FAULT state: uIOCFaultCode=%u\n", uIOCFaultCode));
522	pThis->enmState = LSILOGICSTATE_FAULT;
523	pThis->u16IOCFaultCode = uIOCFaultCode;
524	}
525	else
526	LogFunc(("We are already in FAULT state\n"));
527	}
528	#endif /* IN_RING3 */
529
530
531	/**
532	* Returns the number of frames in the reply free queue.
533	*
534	* @returns Number of frames in the reply free queue.
535	* @param pThis Pointer to the shared LsiLogic device state.
536	*/
537	DECLINLINE(uint32_t) lsilogicReplyFreeQueueGetFrameCount(PLSILOGICSCSI pThis)
538	{
539	uint32_t cReplyFrames = 0;
540
541	if (pThis->uReplyFreeQueueNextAddressRead <= pThis->uReplyFreeQueueNextEntryFreeWrite)
542	cReplyFrames = pThis->uReplyFreeQueueNextEntryFreeWrite - pThis->uReplyFreeQueueNextAddressRead;
543	else
544	cReplyFrames = pThis->cReplyQueueEntries - pThis->uReplyFreeQueueNextAddressRead + pThis->uReplyFreeQueueNextEntryFreeWrite;
545
546	return cReplyFrames;
547	}
548
549	#ifdef IN_RING3
550
551	/**
552	* Returns the number of free entries in the reply post queue.
553	*
554	* @returns Number of frames in the reply free queue.
555	* @param pThis Pointer to the shared LsiLogic device state.
556	*/
557	DECLINLINE(uint32_t) lsilogicReplyPostQueueGetFrameCount(PLSILOGICSCSI pThis)
558	{
559	uint32_t cReplyFrames = 0;
560
561	if (pThis->uReplyPostQueueNextAddressRead <= pThis->uReplyPostQueueNextEntryFreeWrite)
562	cReplyFrames = pThis->cReplyQueueEntries - pThis->uReplyPostQueueNextEntryFreeWrite + pThis->uReplyPostQueueNextAddressRead;
563	else
564	cReplyFrames = pThis->uReplyPostQueueNextEntryFreeWrite - pThis->uReplyPostQueueNextAddressRead;
565
566	return cReplyFrames;
567	}
568
569
570	/**
571	* Performs a hard reset on the controller.
572	*
573	* @returns VBox status code.
574	* @param pDevIns The device instance.
575	* @param pThis Pointer to the shared LsiLogic device state.
576	* @param pThisCC Pointer to the ring-3 LsiLogic device state.
577	*/
578	static int lsilogicR3HardReset(PPDMDEVINS pDevIns, PLSILOGICSCSI pThis, PLSILOGICSCSICC pThisCC)
579	{
580	pThis->enmState = LSILOGICSTATE_RESET;
581	pThis->enmDoorbellState = LSILOGICDOORBELLSTATE_NOT_IN_USE;
582
583	/* The interrupts are masked out. */
584	pThis->uInterruptMask \|= LSILOGIC_REG_HOST_INTR_MASK_DOORBELL
585	\| LSILOGIC_REG_HOST_INTR_MASK_REPLY;
586	/* Reset interrupt states. */
587	pThis->uInterruptStatus = 0;
588	lsilogicUpdateInterrupt(pDevIns, pThis);
589
590	/* Reset the queues. */
591	pThis->uReplyFreeQueueNextEntryFreeWrite = 0;
592	pThis->uReplyFreeQueueNextAddressRead = 0;
593	pThis->uReplyPostQueueNextEntryFreeWrite = 0;
594	pThis->uReplyPostQueueNextAddressRead = 0;
595	pThis->uRequestQueueNextEntryFreeWrite = 0;
596	pThis->uRequestQueueNextAddressRead = 0;
597
598	/* Disable diagnostic access. */
599	pThis->iDiagnosticAccess = 0;
600	pThis->fDiagnosticEnabled = false;
601	pThis->fDiagRegsEnabled = false;
602
603	/* Set default values. */
604	pThis->cMaxDevices = pThis->cDeviceStates;
605	pThis->cMaxBuses = 1;
606	pThis->cbReplyFrame = 128; /** @todo Figure out where it is needed. */
607	pThis->u16NextHandle = 1;
608	pThis->u32DiagMemAddr = 0;
609
610	lsilogicR3InitializeConfigurationPages(pDevIns, pThis, pThisCC);
611
612	/* Mark that we finished performing the reset. */
613	pThis->enmState = LSILOGICSTATE_READY;
614	return VINF_SUCCESS;
615	}
616
617	/**
618	* Allocates the configuration pages based on the device.
619	*
620	* @returns nothing.
621	* @param pThis Pointer to the shared LsiLogic device state.
622	* @param pThisCC Pointer to the ring-3 LsiLogic device state.
623	*/
624	static int lsilogicR3ConfigurationPagesAlloc(PLSILOGICSCSI pThis, PLSILOGICSCSICC pThisCC)
625	{
626	pThisCC->pConfigurationPages = (PMptConfigurationPagesSupported)RTMemAllocZ(sizeof(MptConfigurationPagesSupported));
627	if (!pThisCC->pConfigurationPages)
628	return VERR_NO_MEMORY;
629
630	if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SAS)
631	{
632	PMptConfigurationPagesSas pPages = &pThisCC->pConfigurationPages->u.SasPages;
633
634	pPages->cbManufacturingPage7 = LSILOGICSCSI_MANUFACTURING7_GET_SIZE(pThis->cPorts);
635	PMptConfigurationPageManufacturing7 pManufacturingPage7 = (PMptConfigurationPageManufacturing7)RTMemAllocZ(pPages->cbManufacturingPage7);
636	AssertPtrReturn(pManufacturingPage7, VERR_NO_MEMORY);
637	pPages->pManufacturingPage7 = pManufacturingPage7;
638
639	/* SAS I/O unit page 0 - Port specific information. */
640	pPages->cbSASIOUnitPage0 = LSILOGICSCSI_SASIOUNIT0_GET_SIZE(pThis->cPorts);
641	PMptConfigurationPageSASIOUnit0 pSASPage0 = (PMptConfigurationPageSASIOUnit0)RTMemAllocZ(pPages->cbSASIOUnitPage0);
642	AssertPtrReturn(pSASPage0, VERR_NO_MEMORY);
643	pPages->pSASIOUnitPage0 = pSASPage0;
644
645	/* SAS I/O unit page 1 - Port specific settings. */
646	pPages->cbSASIOUnitPage1 = LSILOGICSCSI_SASIOUNIT1_GET_SIZE(pThis->cPorts);
647	PMptConfigurationPageSASIOUnit1 pSASPage1 = (PMptConfigurationPageSASIOUnit1)RTMemAllocZ(pPages->cbSASIOUnitPage1);
648	AssertPtrReturn(pSASPage1, VERR_NO_MEMORY);
649	pPages->pSASIOUnitPage1 = pSASPage1;
650
651	pPages->cPHYs = pThis->cPorts;
652	pPages->paPHYs = (PMptPHY)RTMemAllocZ(pPages->cPHYs * sizeof(MptPHY));
653	AssertPtrReturn(pPages->paPHYs, VERR_NO_MEMORY);
654
655	/* Initialize the PHY configuration */
656	for (unsigned i = 0; i < pThis->cPorts; i++)
657	{
658	/* Settings for present devices. */
659	if (pThisCC->paDeviceStates[i].pDrvBase)
660	{
661	PMptSASDevice pSASDevice = (PMptSASDevice)RTMemAllocZ(sizeof(MptSASDevice));
662	AssertPtrReturn(pSASDevice, VERR_NO_MEMORY);
663
664	/* Link into device list. */
665	if (!pPages->cDevices)
666	{
667	pPages->pSASDeviceHead = pSASDevice;
668	pPages->pSASDeviceTail = pSASDevice;
669	pPages->cDevices = 1;
670	}
671	else
672	{
673	pSASDevice->pPrev = pPages->pSASDeviceTail;
674	pPages->pSASDeviceTail->pNext = pSASDevice;
675	pPages->pSASDeviceTail = pSASDevice;
676	pPages->cDevices++;
677	}
678	}
679	}
680	}
681
682	return VINF_SUCCESS;
683	}
684
685	/**
686	* Frees the configuration pages if allocated.
687	*
688	* @returns nothing.
689	* @param pThis Pointer to the shared LsiLogic device state.
690	* @param pThisCC Pointer to the ring-3 LsiLogic device state.
691	*/
692	static void lsilogicR3ConfigurationPagesFree(PLSILOGICSCSI pThis, PLSILOGICSCSICC pThisCC)
693	{
694
695	if (pThisCC->pConfigurationPages)
696	{
697	/* Destroy device list if we emulate a SAS controller. */
698	if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SAS)
699	{
700	PMptConfigurationPagesSas pSasPages = &pThisCC->pConfigurationPages->u.SasPages;
701	PMptSASDevice pSASDeviceCurr = pSasPages->pSASDeviceHead;
702
703	while (pSASDeviceCurr)
704	{
705	PMptSASDevice pFree = pSASDeviceCurr;
706
707	pSASDeviceCurr = pSASDeviceCurr->pNext;
708	RTMemFree(pFree);
709	}
710	if (pSasPages->paPHYs)
711	RTMemFree(pSasPages->paPHYs);
712	if (pSasPages->pManufacturingPage7)
713	RTMemFree(pSasPages->pManufacturingPage7);
714	if (pSasPages->pSASIOUnitPage0)
715	RTMemFree(pSasPages->pSASIOUnitPage0);
716	if (pSasPages->pSASIOUnitPage1)
717	RTMemFree(pSasPages->pSASIOUnitPage1);
718
719	pSasPages->pSASDeviceHead = NULL;
720	pSasPages->paPHYs = NULL;
721	pSasPages->pManufacturingPage7 = NULL;
722	pSasPages->pSASIOUnitPage0 = NULL;
723	pSasPages->pSASIOUnitPage1 = NULL;
724	}
725
726	RTMemFree(pThisCC->pConfigurationPages);
727	pThisCC->pConfigurationPages = NULL;
728	}
729	}
730
731	/**
732	* Finishes a context reply.
733	*
734	* @returns nothing
735	* @param pDevIns The device instance.
736	* @param pThis Pointer to the shared LsiLogic device state.
737	* @param u32MessageContext The message context ID to post.
738	*/
739	static void lsilogicR3FinishContextReply(PPDMDEVINS pDevIns, PLSILOGICSCSI pThis, uint32_t u32MessageContext)
740	{
741	LogFlowFunc(("pThis=%#p u32MessageContext=%#x\n", pThis, u32MessageContext));
742
743	AssertMsg(pThis->enmDoorbellState == LSILOGICDOORBELLSTATE_NOT_IN_USE, ("We are in a doorbell function\n"));
744
745	/* Write message context ID into reply post queue. */
746	int rc = PDMDevHlpCritSectEnter(pDevIns, &pThis->ReplyPostQueueCritSect, VINF_SUCCESS);
747	PDM_CRITSECT_RELEASE_ASSERT_RC_DEV(pDevIns, &pThis->ReplyPostQueueCritSect, rc);
748
749	/* Check for a entry in the queue. */
750	if (!lsilogicReplyPostQueueGetFrameCount(pThis))
751	{
752	/* Set error code. */
753	lsilogicSetIOCFaultCode(pThis, LSILOGIC_IOCSTATUS_INSUFFICIENT_RESOURCES);
754	PDMDevHlpCritSectLeave(pDevIns, &pThis->ReplyPostQueueCritSect);
755	return;
756	}
757
758	/* We have a context reply. */
759	ASMAtomicWriteU32(&pThis->aReplyPostQueue[pThis->uReplyPostQueueNextEntryFreeWrite], u32MessageContext);
760	ASMAtomicIncU32(&pThis->uReplyPostQueueNextEntryFreeWrite);
761	pThis->uReplyPostQueueNextEntryFreeWrite %= pThis->cReplyQueueEntries;
762
763	/* Set interrupt. */
764	lsilogicSetInterrupt(pDevIns, pThis, LSILOGIC_REG_HOST_INTR_STATUS_REPLY_INTR);
765
766	PDMDevHlpCritSectLeave(pDevIns, &pThis->ReplyPostQueueCritSect);
767	}
768
769
770	/**
771	* Takes necessary steps to finish a reply frame.
772	*
773	* @returns nothing
774	* @param pDevIns The device instance.
775	* @param pThis Pointer to the shared LsiLogic device state.
776	* @param pReply Pointer to the reply message.
777	* @param fForceReplyFifo Flag whether the use of the reply post fifo is forced.
778	*/
779	static void lsilogicFinishAddressReply(PPDMDEVINS pDevIns, PLSILOGICSCSI pThis, PMptReplyUnion pReply, bool fForceReplyFifo)
780	{
781	/*
782	* If we are in a doorbell function we set the reply size now and
783	* set the system doorbell status interrupt to notify the guest that
784	* we are ready to send the reply.
785	*/
786	if (pThis->enmDoorbellState != LSILOGICDOORBELLSTATE_NOT_IN_USE && !fForceReplyFifo)
787	{
788	/* Set size of the reply in 16bit words. The size in the reply is in 32bit dwords. */
789	pThis->cReplySize = pReply->Header.u8MessageLength * 2;
790	Log(("%s: cReplySize=%u\n", __FUNCTION__, pThis->cReplySize));
791	pThis->uNextReplyEntryRead = 0;
792	lsilogicSetInterrupt(pDevIns, pThis, LSILOGIC_REG_HOST_INTR_STATUS_SYSTEM_DOORBELL);
793	}
794	else
795	{
796	/*
797	* The reply queues are only used if the request was fetched from the request queue.
798	* Requests from the request queue are always transferred to R3. So it is not possible
799	* that this case happens in R0 or GC.
800	*/
801	# ifdef IN_RING3
802	/* Grab a free reply message from the queue. */
803	int rc = PDMDevHlpCritSectEnter(pDevIns, &pThis->ReplyFreeQueueCritSect, VINF_SUCCESS);
804	PDM_CRITSECT_RELEASE_ASSERT_RC_DEV(pDevIns, &pThis->ReplyFreeQueueCritSect, rc);
805
806	/* Check for a free reply frame. */
807	if (!lsilogicReplyFreeQueueGetFrameCount(pThis))
808	{
809	/* Set error code. */
810	lsilogicSetIOCFaultCode(pThis, LSILOGIC_IOCSTATUS_INSUFFICIENT_RESOURCES);
811	PDMDevHlpCritSectLeave(pDevIns, &pThis->ReplyFreeQueueCritSect);
812	return;
813	}
814
815	uint32_t u32ReplyFrameAddressLow = pThis->aReplyFreeQueue[pThis->uReplyFreeQueueNextAddressRead];
816
817	pThis->uReplyFreeQueueNextAddressRead++;
818	pThis->uReplyFreeQueueNextAddressRead %= pThis->cReplyQueueEntries;
819
820	PDMDevHlpCritSectLeave(pDevIns, &pThis->ReplyFreeQueueCritSect);
821
822	/* Build 64bit physical address. */
823	RTGCPHYS GCPhysReplyMessage = LSILOGIC_RTGCPHYS_FROM_U32(pThis->u32HostMFAHighAddr, u32ReplyFrameAddressLow);
824	size_t cbReplyCopied = (pThis->cbReplyFrame < sizeof(MptReplyUnion)) ? pThis->cbReplyFrame : sizeof(MptReplyUnion);
825
826	/* Write reply to guest memory. */
827	PDMDevHlpPCIPhysWriteMeta(pDevIns, GCPhysReplyMessage, pReply, cbReplyCopied);
828
829	/* Write low 32bits of reply frame into post reply queue. */
830	rc = PDMDevHlpCritSectEnter(pDevIns, &pThis->ReplyPostQueueCritSect, VINF_SUCCESS);
831	PDM_CRITSECT_RELEASE_ASSERT_RC_DEV(pDevIns, &pThis->ReplyPostQueueCritSect, rc);
832
833	/* Check for a entry in the queue. */
834	if (!lsilogicReplyPostQueueGetFrameCount(pThis))
835	{
836	/* Set error code. */
837	lsilogicSetIOCFaultCode(pThis, LSILOGIC_IOCSTATUS_INSUFFICIENT_RESOURCES);
838	PDMDevHlpCritSectLeave(pDevIns, &pThis->ReplyPostQueueCritSect);
839	return;
840	}
841
842	/* We have a address reply. Set the 31th bit to indicate that. */
843	ASMAtomicWriteU32(&pThis->aReplyPostQueue[pThis->uReplyPostQueueNextEntryFreeWrite],
844	RT_BIT(31) \| (u32ReplyFrameAddressLow >> 1));
845	ASMAtomicIncU32(&pThis->uReplyPostQueueNextEntryFreeWrite);
846	pThis->uReplyPostQueueNextEntryFreeWrite %= pThis->cReplyQueueEntries;
847
848	if (fForceReplyFifo)
849	{
850	pThis->enmDoorbellState = LSILOGICDOORBELLSTATE_NOT_IN_USE;
851	lsilogicSetInterrupt(pDevIns, pThis, LSILOGIC_REG_HOST_INTR_STATUS_SYSTEM_DOORBELL);
852	}
853
854	/* Set interrupt. */
855	lsilogicSetInterrupt(pDevIns, pThis, LSILOGIC_REG_HOST_INTR_STATUS_REPLY_INTR);
856
857	PDMDevHlpCritSectLeave(pDevIns, &pThis->ReplyPostQueueCritSect);
858	# else
859	AssertMsgFailed(("This is not allowed to happen.\n"));
860	# endif
861	}
862	}
863
864
865	/**
866	* Tries to find a memory region which covers the given address.
867	*
868	* @returns Pointer to memory region or NULL if not found.
869	* @param pThisCC Pointer to the ring-3 LsiLogic device state.
870	* @param u32Addr The 32bit address to search for.
871	*/
872	static PLSILOGICMEMREGN lsilogicR3MemRegionFindByAddr(PLSILOGICSCSICC pThisCC, uint32_t u32Addr)
873	{
874	PLSILOGICMEMREGN pRegion = NULL;
875
876	PLSILOGICMEMREGN pIt;
877	RTListForEach(&pThisCC->ListMemRegns, pIt, LSILOGICMEMREGN, NodeList)
878	{
879	if ( u32Addr >= pIt->u32AddrStart
880	&& u32Addr <= pIt->u32AddrEnd)
881	{
882	pRegion = pIt;
883	break;
884	}
885	}
886
887	return pRegion;
888	}
889
890	/**
891	* Frees all allocated memory regions.
892	*
893	* @returns nothing.
894	* @param pThisCC Pointer to the ring-3 LsiLogic device state.
895	*/
896	static void lsilogicR3MemRegionsFree(PLSILOGICSCSICC pThisCC)
897	{
898	PLSILOGICMEMREGN pItNext;
899
900	PLSILOGICMEMREGN pIt;
901	RTListForEachSafe(&pThisCC->ListMemRegns, pIt, pItNext, LSILOGICMEMREGN, NodeList)
902	{
903	RTListNodeRemove(&pIt->NodeList);
904	RTMemFree(pIt);
905	}
906	pThisCC->cbMemRegns = 0;
907	}
908
909	/**
910	* Inserts a given memory region into the list.
911	*
912	* @returns nothing.
913	* @param pThisCC Pointer to the ring-3 LsiLogic device state.
914	* @param pRegion The region to insert.
915	*/
916	static void lsilogicR3MemRegionInsert(PLSILOGICSCSICC pThisCC, PLSILOGICMEMREGN pRegion)
917	{
918	bool fInserted = false;
919
920	/* Insert at the right position. */
921	PLSILOGICMEMREGN pIt;
922	RTListForEach(&pThisCC->ListMemRegns, pIt, LSILOGICMEMREGN, NodeList)
923	{
924	if (pRegion->u32AddrEnd < pIt->u32AddrStart)
925	{
926	RTListNodeInsertBefore(&pIt->NodeList, &pRegion->NodeList);
927	fInserted = true;
928	break;
929	}
930	}
931	if (!fInserted)
932	RTListAppend(&pThisCC->ListMemRegns, &pRegion->NodeList);
933	}
934
935	/**
936	* Count number of memory regions.
937	*
938	* @returns Number of memory regions.
939	* @param pThisCC Pointer to the ring-3 LsiLogic device state.
940	*/
941	static uint32_t lsilogicR3MemRegionsCount(PLSILOGICSCSICC pThisCC)
942	{
943	uint32_t cRegions = 0;
944
945	PLSILOGICMEMREGN pIt;
946	RTListForEach(&pThisCC->ListMemRegns, pIt, LSILOGICMEMREGN, NodeList)
947	{
948	cRegions++;
949	}
950
951	return cRegions;
952	}
953
954	/**
955	* Handles a write to the diagnostic data register.
956	*
957	* @returns nothing.
958	* @param pThis Pointer to the shared LsiLogic device state.
959	* @param pThisCC Pointer to the ring-3 LsiLogic device state.
960	* @param u32Data Data to write.
961	*/
962	static void lsilogicR3DiagRegDataWrite(PLSILOGICSCSI pThis, PLSILOGICSCSICC pThisCC, uint32_t u32Data)
963	{
964	RTCritSectEnter(&pThisCC->CritSectMemRegns);
965
966	PLSILOGICMEMREGN pRegion = lsilogicR3MemRegionFindByAddr(pThisCC, pThis->u32DiagMemAddr);
967	if (pRegion)
968	{
969	uint32_t offRegion = pThis->u32DiagMemAddr - pRegion->u32AddrStart;
970
971	AssertMsg( offRegion % 4 == 0
972	&& pThis->u32DiagMemAddr <= pRegion->u32AddrEnd,
973	("Region offset not on a word boundary or crosses memory region\n"));
974
975	offRegion /= 4;
976	pRegion->au32Data[offRegion] = u32Data;
977	}
978	else
979	{
980	pRegion = NULL;
981
982	/* Create new region, first check whether we can extend another region. */
983	PLSILOGICMEMREGN pIt;
984	RTListForEach(&pThisCC->ListMemRegns, pIt, LSILOGICMEMREGN, NodeList)
985	{
986	if (pThis->u32DiagMemAddr == pIt->u32AddrEnd + sizeof(uint32_t))
987	{
988	pRegion = pIt;
989	break;
990	}
991	}
992
993	if (pRegion)
994	{
995	/* Reallocate. */
996	RTListNodeRemove(&pRegion->NodeList);
997
998	uint32_t cRegionSizeOld = (pRegion->u32AddrEnd - pRegion->u32AddrStart) / 4 + 1;
999	uint32_t cRegionSizeNew = cRegionSizeOld + 512;
1000
1001	if (pThisCC->cbMemRegns + 512 * sizeof(uint32_t) < LSILOGIC_MEMORY_REGIONS_MAX)
1002	{
1003	PLSILOGICMEMREGN pRegionNew;
1004	pRegionNew = (PLSILOGICMEMREGN)RTMemRealloc(pRegion, RT_UOFFSETOF_DYN(LSILOGICMEMREGN, au32Data[cRegionSizeNew]));
1005	if (pRegionNew)
1006	{
1007	pRegion = pRegionNew;
1008	memset(&pRegion->au32Data[cRegionSizeOld], 0, 512 * sizeof(uint32_t));
1009	pRegion->au32Data[cRegionSizeOld] = u32Data;
1010	pRegion->u32AddrEnd = pRegion->u32AddrStart + (cRegionSizeNew - 1) * sizeof(uint32_t);
1011	pThisCC->cbMemRegns += 512 * sizeof(uint32_t);
1012	}
1013	/* else: Silently fail, there is nothing we can do here and the guest might work nevertheless. */
1014
1015	lsilogicR3MemRegionInsert(pThisCC, pRegion);
1016	}
1017	}
1018	else
1019	{
1020	if (pThisCC->cbMemRegns + 512 * sizeof(uint32_t) < LSILOGIC_MEMORY_REGIONS_MAX)
1021	{
1022	/* Create completely new. */
1023	pRegion = (PLSILOGICMEMREGN)RTMemAllocZ(RT_OFFSETOF(LSILOGICMEMREGN, au32Data[512]));
1024	if (pRegion)
1025	{
1026	pRegion->u32AddrStart = pThis->u32DiagMemAddr;
1027	pRegion->u32AddrEnd = pRegion->u32AddrStart + (512 - 1) * sizeof(uint32_t);
1028	pRegion->au32Data[0] = u32Data;
1029	pThisCC->cbMemRegns += 512 * sizeof(uint32_t);
1030
1031	lsilogicR3MemRegionInsert(pThisCC, pRegion);
1032	}
1033	/* else: Silently fail, there is nothing we can do here and the guest might work nevertheless. */
1034	}
1035	}
1036
1037	}
1038
1039	/* Memory access is always 32bit big. */
1040	pThis->u32DiagMemAddr += sizeof(uint32_t);
1041	RTCritSectLeave(&pThisCC->CritSectMemRegns);
1042	}
1043
1044	/**
1045	* Handles a read from the diagnostic data register.
1046	*
1047	* @returns nothing.
1048	* @param pThis Pointer to the shared LsiLogic device state.
1049	* @param pThisCC Pointer to the ring-3 LsiLogic device state.
1050	* @param pu32Data Where to store the data.
1051	*/
1052	static void lsilogicR3DiagRegDataRead(PLSILOGICSCSI pThis, PLSILOGICSCSICC pThisCC, uint32_t *pu32Data)
1053	{
1054	RTCritSectEnter(&pThisCC->CritSectMemRegns);
1055
1056	PLSILOGICMEMREGN pRegion = lsilogicR3MemRegionFindByAddr(pThisCC, pThis->u32DiagMemAddr);
1057	if (pRegion)
1058	{
1059	uint32_t offRegion = pThis->u32DiagMemAddr - pRegion->u32AddrStart;
1060
1061	AssertMsg( offRegion % 4 == 0
1062	&& pThis->u32DiagMemAddr <= pRegion->u32AddrEnd,
1063	("Region offset not on a word boundary or crosses memory region\n"));
1064
1065	offRegion /= 4;
1066	*pu32Data = pRegion->au32Data[offRegion];
1067	}
1068	else /* No region, default value 0. */
1069	*pu32Data = 0;
1070
1071	/* Memory access is always 32bit big. */
1072	pThis->u32DiagMemAddr += sizeof(uint32_t);
1073	RTCritSectLeave(&pThisCC->CritSectMemRegns);
1074	}
1075
1076	/**
1077	* Handles a write to the diagnostic memory address register.
1078	*
1079	* @returns nothing.
1080	* @param pThis Pointer to the shared LsiLogic device state.
1081	* @param u32Addr Address to write.
1082	*/
1083	static void lsilogicR3DiagRegAddressWrite(PLSILOGICSCSI pThis, uint32_t u32Addr)
1084	{
1085	pThis->u32DiagMemAddr = u32Addr & ~UINT32_C(0x3); /* 32bit alignment. */
1086	}
1087
1088	/**
1089	* Handles a read from the diagnostic memory address register.
1090	*
1091	* @returns nothing.
1092	* @param pThis Pointer to the shared LsiLogic device state.
1093	* @param pu32Addr Where to store the current address.
1094	*/
1095	static void lsilogicR3DiagRegAddressRead(PLSILOGICSCSI pThis, uint32_t *pu32Addr)
1096	{
1097	*pu32Addr = pThis->u32DiagMemAddr;
1098	}
1099
1100	/**
1101	* Processes a given Request from the guest
1102	*
1103	* @returns VBox status code.
1104	* @param pDevIns The device instance.
1105	* @param pThis Pointer to the shared LsiLogic device state.
1106	* @param pThisCC Pointer to the ring-3 LsiLogic device state.
1107	* @param pMessageHdr Pointer to the message header of the request.
1108	* @param pReply Pointer to the reply.
1109	*/
1110	static int lsilogicR3ProcessMessageRequest(PPDMDEVINS pDevIns, PLSILOGICSCSI pThis, PLSILOGICSCSICC pThisCC,
1111	PMptMessageHdr pMessageHdr, PMptReplyUnion pReply)
1112	{
1113	int rc = VINF_SUCCESS;
1114	bool fForceReplyPostFifo = false;
1115
1116	# ifdef LOG_ENABLED
1117	if (pMessageHdr->u8Function < RT_ELEMENTS(g_apszMPTFunctionNames))
1118	Log(("Message request function: %s\n", g_apszMPTFunctionNames[pMessageHdr->u8Function]));
1119	else
1120	Log(("Message request function: <unknown>\n"));
1121	# endif
1122
1123	memset(pReply, 0, sizeof(MptReplyUnion));
1124
1125	switch (pMessageHdr->u8Function)
1126	{
1127	case MPT_MESSAGE_HDR_FUNCTION_SCSI_TASK_MGMT:
1128	{
1129	PMptSCSITaskManagementRequest pTaskMgmtReq = (PMptSCSITaskManagementRequest)pMessageHdr;
1130
1131	LogFlow(("u8TaskType=%u\n", pTaskMgmtReq->u8TaskType));
1132	LogFlow(("u32TaskMessageContext=%#x\n", pTaskMgmtReq->u32TaskMessageContext));
1133
1134	pReply->SCSITaskManagement.u8MessageLength = 6; /* 6 32bit dwords. */
1135	pReply->SCSITaskManagement.u8TaskType = pTaskMgmtReq->u8TaskType;
1136	pReply->SCSITaskManagement.u32TerminationCount = 0;
1137	fForceReplyPostFifo = true;
1138	break;
1139	}
1140	case MPT_MESSAGE_HDR_FUNCTION_IOC_INIT:
1141	{
1142	/*
1143	* This request sets the I/O controller to the
1144	* operational state.
1145	*/
1146	PMptIOCInitRequest pIOCInitReq = (PMptIOCInitRequest)pMessageHdr;
1147
1148	/* Update configuration values. */
1149	pThis->enmWhoInit = (LSILOGICWHOINIT)pIOCInitReq->u8WhoInit;
1150	pThis->cbReplyFrame = pIOCInitReq->u16ReplyFrameSize;
1151	pThis->cMaxBuses = pIOCInitReq->u8MaxBuses;
1152	pThis->cMaxDevices = pIOCInitReq->u8MaxDevices;
1153	pThis->u32HostMFAHighAddr = pIOCInitReq->u32HostMfaHighAddr;
1154	pThis->u32SenseBufferHighAddr = pIOCInitReq->u32SenseBufferHighAddr;
1155
1156	if (pThis->enmState == LSILOGICSTATE_READY)
1157	{
1158	pThis->enmState = LSILOGICSTATE_OPERATIONAL;
1159	}
1160
1161	/* Return reply. */
1162	pReply->IOCInit.u8MessageLength = 5;
1163	pReply->IOCInit.u8WhoInit = pThis->enmWhoInit;
1164	pReply->IOCInit.u8MaxDevices = pThis->cMaxDevices;
1165	pReply->IOCInit.u8MaxBuses = pThis->cMaxBuses;
1166	break;
1167	}
1168	case MPT_MESSAGE_HDR_FUNCTION_IOC_FACTS:
1169	{
1170	pReply->IOCFacts.u8MessageLength = 15; /* 15 32bit dwords. */
1171
1172	if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SPI)
1173	{
1174	pReply->IOCFacts.u16MessageVersion = 0x0102; /* Version from the specification. */
1175	pReply->IOCFacts.u8NumberOfPorts = pThis->cPorts;
1176	}
1177	else if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SAS)
1178	{
1179	pReply->IOCFacts.u16MessageVersion = 0x0105; /* Version from the specification. */
1180	pReply->IOCFacts.u8NumberOfPorts = pThis->cPorts;
1181	}
1182	else
1183	AssertMsgFailed(("Invalid controller type %d\n", pThis->enmCtrlType));
1184
1185	pReply->IOCFacts.u8IOCNumber = 0; /* PCI function number. */
1186	pReply->IOCFacts.u16IOCExceptions = 0;
1187	pReply->IOCFacts.u8MaxChainDepth = LSILOGICSCSI_MAXIMUM_CHAIN_DEPTH;
1188	pReply->IOCFacts.u8WhoInit = pThis->enmWhoInit;
1189	pReply->IOCFacts.u8BlockSize = 12; /* Block size in 32bit dwords. This is the largest request we can get (SCSI I/O). */
1190	pReply->IOCFacts.u8Flags = 0; /* Bit 0 is set if the guest must upload the FW prior to using the controller. Obviously not needed here. */
1191	pReply->IOCFacts.u16ReplyQueueDepth = pThis->cReplyQueueEntries - 1; /* One entry is always free. */
1192	pReply->IOCFacts.u16RequestFrameSize = 128; /** @todo Figure out where it is needed. */
1193	pReply->IOCFacts.u32CurrentHostMFAHighAddr = pThis->u32HostMFAHighAddr;
1194	pReply->IOCFacts.u16GlobalCredits = pThis->cRequestQueueEntries - 1; /* One entry is always free. */
1195
1196	pReply->IOCFacts.u8EventState = 0; /* Event notifications not enabled. */
1197	pReply->IOCFacts.u32CurrentSenseBufferHighAddr = pThis->u32SenseBufferHighAddr;
1198	pReply->IOCFacts.u16CurReplyFrameSize = pThis->cbReplyFrame;
1199	pReply->IOCFacts.u8MaxDevices = pThis->cMaxDevices;
1200	pReply->IOCFacts.u8MaxBuses = pThis->cMaxBuses;
1201
1202	pReply->IOCFacts.u16ProductID = 0xcafe; /* Our own product ID :) */
1203	pReply->IOCFacts.u32FwImageSize = 0; /* No image needed. */
1204	pReply->IOCFacts.u32FWVersion = 0;
1205
1206	/* Check for a valid firmware image in the IOC memory which was downloaded by the guest earlier and use that. */
1207	RTCritSectEnter(&pThisCC->CritSectMemRegns);
1208	PLSILOGICMEMREGN pRegion = lsilogicR3MemRegionFindByAddr(pThisCC, LSILOGIC_FWIMGHDR_LOAD_ADDRESS);
1209	if (pRegion)
1210	{
1211	uint32_t offImgHdr = (LSILOGIC_FWIMGHDR_LOAD_ADDRESS - pRegion->u32AddrStart);
1212	if (pRegion->u32AddrEnd - offImgHdr + 1 >= sizeof(FwImageHdr)) /* End address is inclusive. */
1213	{
1214	PFwImageHdr pFwImgHdr = (PFwImageHdr)&pRegion->au32Data[offImgHdr / 4];
1215
1216	/* Check for the signature. */
1217	/** @todo Checksum validation. */
1218	if ( pFwImgHdr->u32Signature1 == LSILOGIC_FWIMGHDR_SIGNATURE1
1219	&& pFwImgHdr->u32Signature2 == LSILOGIC_FWIMGHDR_SIGNATURE2
1220	&& pFwImgHdr->u32Signature3 == LSILOGIC_FWIMGHDR_SIGNATURE3)
1221	{
1222	LogFlowFunc(("IOC Facts: Found valid firmware image header in memory, using version (%#x), size (%d) and product ID (%#x) from there\n",
1223	pFwImgHdr->u32FwVersion, pFwImgHdr->u32ImageSize, pFwImgHdr->u16ProductId));
1224
1225	pReply->IOCFacts.u16ProductID = pFwImgHdr->u16ProductId;
1226	pReply->IOCFacts.u32FwImageSize = pFwImgHdr->u32ImageSize;
1227	pReply->IOCFacts.u32FWVersion = pFwImgHdr->u32FwVersion;
1228	}
1229	}
1230	}
1231	RTCritSectLeave(&pThisCC->CritSectMemRegns);
1232	break;
1233	}
1234	case MPT_MESSAGE_HDR_FUNCTION_PORT_FACTS:
1235	{
1236	PMptPortFactsRequest pPortFactsReq = (PMptPortFactsRequest)pMessageHdr;
1237
1238	pReply->PortFacts.u8MessageLength = 10;
1239	pReply->PortFacts.u8PortNumber = pPortFactsReq->u8PortNumber;
1240
1241	if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SPI)
1242	{
1243	/* This controller only supports one bus with bus number 0. */
1244	if (pPortFactsReq->u8PortNumber >= pThis->cPorts)
1245	{
1246	pReply->PortFacts.u8PortType = 0; /* Not existant. */
1247	}
1248	else
1249	{
1250	pReply->PortFacts.u8PortType = 0x01; /* SCSI Port. */
1251	pReply->PortFacts.u16MaxDevices = LSILOGICSCSI_PCI_SPI_DEVICES_PER_BUS_MAX;
1252	pReply->PortFacts.u16ProtocolFlags = RT_BIT(3) \| RT_BIT(0); /* SCSI initiator and LUN supported. */
1253	pReply->PortFacts.u16PortSCSIID = 7; /* Default */
1254	pReply->PortFacts.u16MaxPersistentIDs = 0;
1255	pReply->PortFacts.u16MaxPostedCmdBuffers = 0; /* Only applies for target mode which we dont support. */
1256	pReply->PortFacts.u16MaxLANBuckets = 0; /* Only for the LAN controller. */
1257	}
1258	}
1259	else if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SAS)
1260	{
1261	if (pPortFactsReq->u8PortNumber >= pThis->cPorts)
1262	{
1263	pReply->PortFacts.u8PortType = 0; /* Not existant. */
1264	}
1265	else
1266	{
1267	pReply->PortFacts.u8PortType = 0x30; /* SAS Port. */
1268	pReply->PortFacts.u16MaxDevices = pThis->cPorts;
1269	pReply->PortFacts.u16ProtocolFlags = RT_BIT(3) \| RT_BIT(0); /* SCSI initiator and LUN supported. */
1270	pReply->PortFacts.u16PortSCSIID = pThis->cPorts;
1271	pReply->PortFacts.u16MaxPersistentIDs = 0;
1272	pReply->PortFacts.u16MaxPostedCmdBuffers = 0; /* Only applies for target mode which we dont support. */
1273	pReply->PortFacts.u16MaxLANBuckets = 0; /* Only for the LAN controller. */
1274	}
1275	}
1276	else
1277	AssertMsgFailed(("Invalid controller type %d\n", pThis->enmCtrlType));
1278	break;
1279	}
1280	case MPT_MESSAGE_HDR_FUNCTION_PORT_ENABLE:
1281	{
1282	/*
1283	* The port enable request notifies the IOC to make the port available and perform
1284	* appropriate discovery on the associated link.
1285	*/
1286	PMptPortEnableRequest pPortEnableReq = (PMptPortEnableRequest)pMessageHdr;
1287
1288	pReply->PortEnable.u8MessageLength = 5;
1289	pReply->PortEnable.u8PortNumber = pPortEnableReq->u8PortNumber;
1290	break;
1291	}
1292	case MPT_MESSAGE_HDR_FUNCTION_EVENT_NOTIFICATION:
1293	{
1294	PMptEventNotificationRequest pEventNotificationReq = (PMptEventNotificationRequest)pMessageHdr;
1295
1296	if (pEventNotificationReq->u8Switch)
1297	pThis->fEventNotificationEnabled = true;
1298	else
1299	pThis->fEventNotificationEnabled = false;
1300
1301	pReply->EventNotification.u16EventDataLength = 1; /* 1 32bit D-Word. */
1302	pReply->EventNotification.u8MessageLength = 8;
1303	pReply->EventNotification.u8MessageFlags = (1 << 7);
1304	pReply->EventNotification.u8AckRequired = 0;
1305	pReply->EventNotification.u32Event = MPT_EVENT_EVENT_CHANGE;
1306	pReply->EventNotification.u32EventContext = 0;
1307	pReply->EventNotification.u32EventData = pThis->fEventNotificationEnabled ? 1 : 0;
1308
1309	break;
1310	}
1311	case MPT_MESSAGE_HDR_FUNCTION_EVENT_ACK:
1312	{
1313	AssertMsgFailed(("todo"));
1314	break;
1315	}
1316	case MPT_MESSAGE_HDR_FUNCTION_CONFIG:
1317	{
1318	PMptConfigurationRequest pConfigurationReq = (PMptConfigurationRequest)pMessageHdr;
1319
1320	rc = lsilogicR3ProcessConfigurationRequest(pDevIns, pThis, pThisCC, pConfigurationReq, &pReply->Configuration);
1321	AssertRC(rc);
1322	break;
1323	}
1324	case MPT_MESSAGE_HDR_FUNCTION_FW_UPLOAD:
1325	{
1326	PMptFWUploadRequest pFWUploadReq = (PMptFWUploadRequest)pMessageHdr;
1327
1328	pReply->FWUpload.u8ImageType = pFWUploadReq->u8ImageType;
1329	pReply->FWUpload.u8MessageLength = 6;
1330	pReply->FWUpload.u32ActualImageSize = 0;
1331	break;
1332	}
1333	case MPT_MESSAGE_HDR_FUNCTION_FW_DOWNLOAD:
1334	{
1335	//PMptFWDownloadRequest pFWDownloadReq = (PMptFWDownloadRequest)pMessageHdr;
1336
1337	pReply->FWDownload.u8MessageLength = 5;
1338	LogFlowFunc(("FW Download request issued\n"));
1339	break;
1340	}
1341	case MPT_MESSAGE_HDR_FUNCTION_SCSI_IO_REQUEST: /* Should be handled already. */
1342	default:
1343	AssertMsgFailed(("Invalid request function %#x\n", pMessageHdr->u8Function));
1344	}
1345
1346	/* Copy common bits from request message frame to reply. */
1347	pReply->Header.u8Function = pMessageHdr->u8Function;
1348	pReply->Header.u32MessageContext = pMessageHdr->u32MessageContext;
1349
1350	lsilogicFinishAddressReply(pDevIns, pThis, pReply, fForceReplyPostFifo);
1351	return rc;
1352	}
1353
1354	#endif /* IN_RING3 */
1355
1356	/**
1357	* Writes a value to a register at a given offset.
1358	*
1359	* @returns Strict VBox status code.
1360	* @param pDevIns The devie instance.
1361	* @param pThis Pointer to the shared LsiLogic device state.
1362	* @param offReg Offset of the register to write.
1363	* @param u32 The value being written.
1364	*/
1365	static VBOXSTRICTRC lsilogicRegisterWrite(PPDMDEVINS pDevIns, PLSILOGICSCSI pThis, uint32_t offReg, uint32_t u32)
1366	{
1367	LogFlowFunc(("pThis=%#p offReg=%#x u32=%#x\n", pThis, offReg, u32));
1368	switch (offReg)
1369	{
1370	case LSILOGIC_REG_REPLY_QUEUE:
1371	{
1372	int rc = PDMDevHlpCritSectEnter(pDevIns, &pThis->ReplyFreeQueueWriteCritSect, VINF_IOM_R3_MMIO_WRITE);
1373	if (rc != VINF_SUCCESS)
1374	return rc;
1375	/* Add the entry to the reply free queue. */
1376	ASMAtomicWriteU32(&pThis->aReplyFreeQueue[pThis->uReplyFreeQueueNextEntryFreeWrite], u32);
1377	pThis->uReplyFreeQueueNextEntryFreeWrite++;
1378	pThis->uReplyFreeQueueNextEntryFreeWrite %= pThis->cReplyQueueEntries;
1379	PDMDevHlpCritSectLeave(pDevIns, &pThis->ReplyFreeQueueWriteCritSect);
1380	break;
1381	}
1382	case LSILOGIC_REG_REQUEST_QUEUE:
1383	{
1384	int rc = PDMDevHlpCritSectEnter(pDevIns, &pThis->RequestQueueCritSect, VINF_IOM_R3_MMIO_WRITE);
1385	if (rc != VINF_SUCCESS)
1386	return rc;
1387
1388	uint32_t uNextWrite = ASMAtomicReadU32(&pThis->uRequestQueueNextEntryFreeWrite);
1389
1390	ASMAtomicWriteU32(&pThis->aRequestQueue[uNextWrite], u32);
1391
1392	/*
1393	* Don't update the value in place. It can happen that we get preempted
1394	* after the increment but before the modulo.
1395	* Another EMT will read the wrong value when processing the queues
1396	* and hang in an endless loop creating thousands of requests.
1397	*/
1398	uNextWrite++;
1399	uNextWrite %= pThis->cRequestQueueEntries;
1400	ASMAtomicWriteU32(&pThis->uRequestQueueNextEntryFreeWrite, uNextWrite);
1401	PDMDevHlpCritSectLeave(pDevIns, &pThis->RequestQueueCritSect);
1402
1403	/* Send notification to R3 if there is not one sent already. Do this
1404	* only if the worker thread is not sleeping or might go sleeping. */
1405	if (!ASMAtomicXchgBool(&pThis->fNotificationSent, true))
1406	{
1407	if (ASMAtomicReadBool(&pThis->fWrkThreadSleeping))
1408	{
1409	LogFlowFunc(("Signal event semaphore\n"));
1410	rc = PDMDevHlpSUPSemEventSignal(pDevIns, pThis->hEvtProcess);
1411	AssertRC(rc);
1412	}
1413	}
1414	break;
1415	}
1416	case LSILOGIC_REG_DOORBELL:
1417	{
1418	/*
1419	* When the guest writes to this register a real device would set the
1420	* doorbell status bit in the interrupt status register to indicate that the IOP
1421	* has still to process the message.
1422	* The guest needs to wait with posting new messages here until the bit is cleared.
1423	* Because the guest is not continuing execution while we are here we can skip this.
1424	*/
1425	if (pThis->enmDoorbellState == LSILOGICDOORBELLSTATE_NOT_IN_USE)
1426	{
1427	uint32_t uFunction = LSILOGIC_REG_DOORBELL_GET_FUNCTION(u32);
1428
1429	switch (uFunction)
1430	{
1431	case LSILOGIC_DOORBELL_FUNCTION_IO_UNIT_RESET:
1432	case LSILOGIC_DOORBELL_FUNCTION_IOC_MSG_UNIT_RESET:
1433	{
1434	/*
1435	* The I/O unit reset does much more on real hardware like
1436	* reloading the firmware, nothing we need to do here,
1437	* so this is like the IOC message unit reset.
1438	*/
1439	pThis->enmState = LSILOGICSTATE_RESET;
1440
1441	/* Reset interrupt status. */
1442	pThis->uInterruptStatus = 0;
1443	lsilogicUpdateInterrupt(pDevIns, pThis);
1444
1445	/* Reset the queues. */
1446	pThis->uReplyFreeQueueNextEntryFreeWrite = 0;
1447	pThis->uReplyFreeQueueNextAddressRead = 0;
1448	pThis->uReplyPostQueueNextEntryFreeWrite = 0;
1449	pThis->uReplyPostQueueNextAddressRead = 0;
1450	pThis->uRequestQueueNextEntryFreeWrite = 0;
1451	pThis->uRequestQueueNextAddressRead = 0;
1452
1453	/* Only the IOC message unit reset transisionts to the ready state. */
1454	if (uFunction == LSILOGIC_DOORBELL_FUNCTION_IOC_MSG_UNIT_RESET)
1455	pThis->enmState = LSILOGICSTATE_READY;
1456	break;
1457	}
1458	case LSILOGIC_DOORBELL_FUNCTION_HANDSHAKE:
1459	{
1460	pThis->cMessage = LSILOGIC_REG_DOORBELL_GET_SIZE(u32);
1461	pThis->iMessage = 0;
1462
1463	/* This is not supposed to happen and the result is undefined, just stay in the current state. */
1464	AssertMsgReturn(pThis->cMessage <= RT_ELEMENTS(pThis->aMessage),
1465	("Message doesn't fit into the buffer, cMessage=%u", pThis->cMessage),
1466	VINF_SUCCESS);
1467
1468	pThis->enmDoorbellState = LSILOGICDOORBELLSTATE_FN_HANDSHAKE;
1469	/* Update the interrupt status to notify the guest that a doorbell function was started. */
1470	lsilogicSetInterrupt(pDevIns, pThis, LSILOGIC_REG_HOST_INTR_STATUS_SYSTEM_DOORBELL);
1471	break;
1472	}
1473	case LSILOGIC_DOORBELL_FUNCTION_REPLY_FRAME_REMOVAL:
1474	{
1475	pThis->enmDoorbellState = LSILOGICDOORBELLSTATE_RFR_FRAME_COUNT_LOW;
1476	/* Update the interrupt status to notify the guest that a doorbell function was started. */
1477	lsilogicSetInterrupt(pDevIns, pThis, LSILOGIC_REG_HOST_INTR_STATUS_SYSTEM_DOORBELL);
1478	break;
1479	}
1480	default:
1481	AssertMsgFailed(("Unknown function %u to perform\n", uFunction));
1482	}
1483	}
1484	else if (pThis->enmDoorbellState == LSILOGICDOORBELLSTATE_FN_HANDSHAKE)
1485	{
1486	/*
1487	* We are already performing a doorbell function.
1488	* Get the remaining parameters, ignore any excess writes.
1489	*/
1490	AssertMsgReturn(pThis->iMessage < pThis->cMessage,
1491	("Guest is trying to write more than was indicated in the handshake\n"),
1492	VINF_SUCCESS);
1493
1494	/*
1495	* If the last byte of the message is written, force a switch to R3 because some requests might force
1496	* a reply through the FIFO which cannot be handled in GC or R0.
1497	*/
1498	#ifndef IN_RING3
1499	if (pThis->iMessage == pThis->cMessage - 1)
1500	return VINF_IOM_R3_MMIO_WRITE;
1501	#endif
1502	pThis->aMessage[pThis->iMessage++] = u32;
1503	#ifdef IN_RING3
1504	if (pThis->iMessage == pThis->cMessage)
1505	{
1506	int rc = lsilogicR3ProcessMessageRequest(pDevIns, pThis, PDMDEVINS_2_DATA_CC(pDevIns, PLSILOGICSCSICC),
1507	(PMptMessageHdr)pThis->aMessage, &pThis->ReplyBuffer);
1508	AssertRC(rc);
1509	}
1510	#endif
1511	}
1512	break;
1513	}
1514	case LSILOGIC_REG_HOST_INTR_STATUS:
1515	{
1516	/*
1517	* Clear the bits the guest wants except the system doorbell interrupt and the IO controller
1518	* status bit.
1519	* The former bit is always cleared no matter what the guest writes to the register and
1520	* the latter one is read only.
1521	*/
1522	ASMAtomicAndU32(&pThis->uInterruptStatus, ~LSILOGIC_REG_HOST_INTR_STATUS_SYSTEM_DOORBELL);
1523
1524	/*
1525	* Check if there is still a doorbell function in progress. Set the
1526	* system doorbell interrupt bit again if it is.
1527	* We do not use lsilogicSetInterrupt here because the interrupt status
1528	* is updated afterwards anyway.
1529	*/
1530	if ( (pThis->enmDoorbellState == LSILOGICDOORBELLSTATE_FN_HANDSHAKE)
1531	&& (pThis->cMessage == pThis->iMessage))
1532	{
1533	if (pThis->uNextReplyEntryRead == pThis->cReplySize)
1534	{
1535	/* Reply finished. Reset doorbell in progress status. */
1536	Log(("%s: Doorbell function finished\n", __FUNCTION__));
1537	pThis->enmDoorbellState = LSILOGICDOORBELLSTATE_NOT_IN_USE;
1538	}
1539	ASMAtomicOrU32(&pThis->uInterruptStatus, LSILOGIC_REG_HOST_INTR_STATUS_SYSTEM_DOORBELL);
1540	}
1541	else if ( pThis->enmDoorbellState != LSILOGICDOORBELLSTATE_NOT_IN_USE
1542	&& pThis->enmDoorbellState != LSILOGICDOORBELLSTATE_FN_HANDSHAKE)
1543	{
1544	/* Reply frame removal, check whether the reply free queue is empty. */
1545	if ( pThis->uReplyFreeQueueNextAddressRead == pThis->uReplyFreeQueueNextEntryFreeWrite
1546	&& pThis->enmDoorbellState == LSILOGICDOORBELLSTATE_RFR_NEXT_FRAME_LOW)
1547	pThis->enmDoorbellState = LSILOGICDOORBELLSTATE_NOT_IN_USE;
1548	ASMAtomicOrU32(&pThis->uInterruptStatus, LSILOGIC_REG_HOST_INTR_STATUS_SYSTEM_DOORBELL);
1549	}
1550
1551	lsilogicUpdateInterrupt(pDevIns, pThis);
1552	break;
1553	}
1554	case LSILOGIC_REG_HOST_INTR_MASK:
1555	{
1556	ASMAtomicWriteU32(&pThis->uInterruptMask, u32 & LSILOGIC_REG_HOST_INTR_MASK_W_MASK);
1557	lsilogicUpdateInterrupt(pDevIns, pThis);
1558	break;
1559	}
1560	case LSILOGIC_REG_WRITE_SEQUENCE:
1561	{
1562	if (pThis->fDiagnosticEnabled)
1563	{
1564	/* Any value will cause a reset and disabling access. */
1565	pThis->fDiagnosticEnabled = false;
1566	pThis->iDiagnosticAccess = 0;
1567	pThis->fDiagRegsEnabled = false;
1568	}
1569	else if ((u32 & 0xf) == g_lsilogicDiagnosticAccess[pThis->iDiagnosticAccess])
1570	{
1571	pThis->iDiagnosticAccess++;
1572	if (pThis->iDiagnosticAccess == RT_ELEMENTS(g_lsilogicDiagnosticAccess))
1573	{
1574	/*
1575	* Key sequence successfully written. Enable access to diagnostic
1576	* memory and register.
1577	*/
1578	pThis->fDiagnosticEnabled = true;
1579	}
1580	}
1581	else
1582	{
1583	/* Wrong value written - reset to beginning. */
1584	pThis->iDiagnosticAccess = 0;
1585	}
1586	break;
1587	}
1588	case LSILOGIC_REG_HOST_DIAGNOSTIC:
1589	{
1590	if (pThis->fDiagnosticEnabled)
1591	{
1592	#ifndef IN_RING3
1593	return VINF_IOM_R3_MMIO_WRITE;
1594	#else
1595	if (u32 & LSILOGIC_REG_HOST_DIAGNOSTIC_RESET_ADAPTER)
1596	lsilogicR3HardReset(pDevIns, pThis, PDMDEVINS_2_DATA_CC(pDevIns, PLSILOGICSCSICC));
1597	else if (u32 & LSILOGIC_REG_HOST_DIAGNOSTIC_DIAG_RW_ENABLE)
1598	pThis->fDiagRegsEnabled = true;
1599	#endif
1600	}
1601	break;
1602	}
1603	case LSILOGIC_REG_DIAG_RW_DATA:
1604	{
1605	if (pThis->fDiagRegsEnabled)
1606	{
1607	#ifndef IN_RING3
1608	return VINF_IOM_R3_MMIO_WRITE;
1609	#else
1610	lsilogicR3DiagRegDataWrite(pThis, PDMDEVINS_2_DATA_CC(pDevIns, PLSILOGICSCSICC), u32);
1611	#endif
1612	}
1613	break;
1614	}
1615	case LSILOGIC_REG_DIAG_RW_ADDRESS:
1616	{
1617	if (pThis->fDiagRegsEnabled)
1618	{
1619	#ifndef IN_RING3
1620	return VINF_IOM_R3_MMIO_WRITE;
1621	#else
1622	lsilogicR3DiagRegAddressWrite(pThis, u32);
1623	#endif
1624	}
1625	break;
1626	}
1627	default: /* Ignore. */
1628	{
1629	break;
1630	}
1631	}
1632	return VINF_SUCCESS;
1633	}
1634
1635	/**
1636	* Reads the content of a register at a given offset.
1637	*
1638	* @returns VBox status code.
1639	* @param pDevIns The device instance.
1640	* @param pThis Pointer to the shared LsiLogic device state.
1641	* @param offReg Offset of the register to read.
1642	* @param pu32 Where to store the content of the register.
1643	*/
1644	static VBOXSTRICTRC lsilogicRegisterRead(PPDMDEVINS pDevIns, PLSILOGICSCSI pThis, uint32_t offReg, uint32_t *pu32)
1645	{
1646	int rc = VINF_SUCCESS;
1647	uint32_t u32 = 0;
1648	Assert(!(offReg & 3));
1649
1650	/* Align to a 4 byte offset. */
1651	switch (offReg)
1652	{
1653	case LSILOGIC_REG_REPLY_QUEUE:
1654	{
1655	rc = PDMDevHlpCritSectEnter(pDevIns, &pThis->ReplyPostQueueCritSect, VINF_IOM_R3_MMIO_READ);
1656	if (rc != VINF_SUCCESS)
1657	break;
1658
1659	uint32_t idxReplyPostQueueWrite = ASMAtomicUoReadU32(&pThis->uReplyPostQueueNextEntryFreeWrite);
1660	uint32_t idxReplyPostQueueRead = ASMAtomicUoReadU32(&pThis->uReplyPostQueueNextAddressRead);
1661
1662	if (idxReplyPostQueueWrite != idxReplyPostQueueRead)
1663	{
1664	u32 = pThis->aReplyPostQueue[idxReplyPostQueueRead];
1665	idxReplyPostQueueRead++;
1666	idxReplyPostQueueRead %= pThis->cReplyQueueEntries;
1667	ASMAtomicWriteU32(&pThis->uReplyPostQueueNextAddressRead, idxReplyPostQueueRead);
1668	}
1669	else
1670	{
1671	/* The reply post queue is empty. Reset interrupt. */
1672	u32 = UINT32_C(0xffffffff);
1673	lsilogicClearInterrupt(pDevIns, pThis, LSILOGIC_REG_HOST_INTR_STATUS_REPLY_INTR);
1674	}
1675	PDMDevHlpCritSectLeave(pDevIns, &pThis->ReplyPostQueueCritSect);
1676
1677	Log(("%s: Returning address %#x\n", __FUNCTION__, u32));
1678	break;
1679	}
1680	case LSILOGIC_REG_DOORBELL:
1681	{
1682	u32 = LSILOGIC_REG_DOORBELL_SET_STATE(pThis->enmState);
1683	u32 \|= LSILOGIC_REG_DOORBELL_SET_USED(pThis->enmDoorbellState);
1684	u32 \|= LSILOGIC_REG_DOORBELL_SET_WHOINIT(pThis->enmWhoInit);
1685	/*
1686	* If there is a doorbell function in progress we pass the return value
1687	* instead of the status code. We transfer 16bit of the reply
1688	* during one read.
1689	*/
1690	switch (pThis->enmDoorbellState)
1691	{
1692	case LSILOGICDOORBELLSTATE_NOT_IN_USE:
1693	/* We return the status code of the I/O controller. */
1694	u32 \|= pThis->u16IOCFaultCode;
1695	break;
1696	case LSILOGICDOORBELLSTATE_FN_HANDSHAKE:
1697	/* Return next 16bit value. */
1698	if (pThis->uNextReplyEntryRead < pThis->cReplySize)
1699	u32 \|= pThis->ReplyBuffer.au16Reply[pThis->uNextReplyEntryRead++];
1700	lsilogicSetInterrupt(pDevIns, pThis, LSILOGIC_REG_HOST_INTR_STATUS_SYSTEM_DOORBELL);
1701	break;
1702	case LSILOGICDOORBELLSTATE_RFR_FRAME_COUNT_LOW:
1703	{
1704	uint32_t cReplyFrames = lsilogicReplyFreeQueueGetFrameCount(pThis);
1705
1706	u32 \|= cReplyFrames & UINT32_C(0xffff);
1707	pThis->enmDoorbellState = LSILOGICDOORBELLSTATE_RFR_FRAME_COUNT_HIGH;
1708	lsilogicSetInterrupt(pDevIns, pThis, LSILOGIC_REG_HOST_INTR_STATUS_SYSTEM_DOORBELL);
1709	break;
1710	}
1711	case LSILOGICDOORBELLSTATE_RFR_FRAME_COUNT_HIGH:
1712	{
1713	uint32_t cReplyFrames = lsilogicReplyFreeQueueGetFrameCount(pThis);
1714
1715	u32 \|= cReplyFrames >> 16;
1716	pThis->enmDoorbellState = LSILOGICDOORBELLSTATE_RFR_NEXT_FRAME_LOW;
1717	lsilogicSetInterrupt(pDevIns, pThis, LSILOGIC_REG_HOST_INTR_STATUS_SYSTEM_DOORBELL);
1718	break;
1719	}
1720	case LSILOGICDOORBELLSTATE_RFR_NEXT_FRAME_LOW:
1721	if (pThis->uReplyFreeQueueNextEntryFreeWrite != pThis->uReplyFreeQueueNextAddressRead)
1722	{
1723	u32 \|= pThis->aReplyFreeQueue[pThis->uReplyFreeQueueNextAddressRead] & UINT32_C(0xffff);
1724	pThis->enmDoorbellState = LSILOGICDOORBELLSTATE_RFR_NEXT_FRAME_HIGH;
1725	lsilogicSetInterrupt(pDevIns, pThis, LSILOGIC_REG_HOST_INTR_STATUS_SYSTEM_DOORBELL);
1726	}
1727	break;
1728	case LSILOGICDOORBELLSTATE_RFR_NEXT_FRAME_HIGH:
1729	u32 \|= pThis->aReplyFreeQueue[pThis->uReplyFreeQueueNextAddressRead] >> 16;
1730	pThis->uReplyFreeQueueNextAddressRead++;
1731	pThis->uReplyFreeQueueNextAddressRead %= pThis->cReplyQueueEntries;
1732	pThis->enmDoorbellState = LSILOGICDOORBELLSTATE_RFR_NEXT_FRAME_LOW;
1733	lsilogicSetInterrupt(pDevIns, pThis, LSILOGIC_REG_HOST_INTR_STATUS_SYSTEM_DOORBELL);
1734	break;
1735	default:
1736	AssertMsgFailed(("Invalid doorbell state %d\n", pThis->enmDoorbellState));
1737	}
1738
1739	break;
1740	}
1741	case LSILOGIC_REG_HOST_INTR_STATUS:
1742	{
1743	u32 = ASMAtomicReadU32(&pThis->uInterruptStatus);
1744	break;
1745	}
1746	case LSILOGIC_REG_HOST_INTR_MASK:
1747	{
1748	u32 = ASMAtomicReadU32(&pThis->uInterruptMask);
1749	break;
1750	}
1751	case LSILOGIC_REG_HOST_DIAGNOSTIC:
1752	{
1753	if (pThis->fDiagnosticEnabled)
1754	u32 \|= LSILOGIC_REG_HOST_DIAGNOSTIC_DRWE;
1755	if (pThis->fDiagRegsEnabled)
1756	u32 \|= LSILOGIC_REG_HOST_DIAGNOSTIC_DIAG_RW_ENABLE;
1757	break;
1758	}
1759	case LSILOGIC_REG_DIAG_RW_DATA:
1760	{
1761	if (pThis->fDiagRegsEnabled)
1762	{
1763	#ifndef IN_RING3
1764	return VINF_IOM_R3_MMIO_READ;
1765	#else
1766	lsilogicR3DiagRegDataRead(pThis, PDMDEVINS_2_DATA_CC(pDevIns, PLSILOGICSCSICC), &u32);
1767	#endif
1768	}
1769	}
1770	RT_FALL_THRU();
1771	case LSILOGIC_REG_DIAG_RW_ADDRESS:
1772	{
1773	if (pThis->fDiagRegsEnabled)
1774	{
1775	#ifndef IN_RING3
1776	return VINF_IOM_R3_MMIO_READ;
1777	#else
1778	lsilogicR3DiagRegAddressRead(pThis, &u32);
1779	#endif
1780	}
1781	}
1782	RT_FALL_THRU();
1783	case LSILOGIC_REG_TEST_BASE_ADDRESS: /* The spec doesn't say anything about these registers, so we just ignore them */
1784	default: /* Ignore. */
1785	{
1786	/** @todo LSILOGIC_REG_DIAG_* should return all F's when accessed by MMIO. We
1787	* return 0. Likely to apply to undefined offsets as well. */
1788	break;
1789	}
1790	}
1791
1792	*pu32 = u32;
1793	LogFlowFunc(("pThis=%#p offReg=%#x u32=%#x\n", pThis, offReg, u32));
1794	return rc;
1795	}
1796
1797	/**
1798	* @callback_method_impl{FNIOMIOPORTNEWOUT}
1799	*/
1800	static DECLCALLBACK(VBOXSTRICTRC)
1801	lsilogicIOPortWrite(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT offPort, uint32_t u32, unsigned cb)
1802	{
1803	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
1804	VBOXSTRICTRC rcStrict;
1805	RT_NOREF2(pvUser, cb);
1806
1807	if (!(offPort & 3))
1808	{
1809	rcStrict = lsilogicRegisterWrite(pDevIns, pThis, offPort, u32);
1810	if (rcStrict == VINF_IOM_R3_MMIO_WRITE)
1811	rcStrict = VINF_IOM_R3_IOPORT_WRITE;
1812	}
1813	else
1814	{
1815	Log(("lsilogicIOPortWrite: Ignoring misaligned write - offPort=%#x u32=%#x cb=%#x\n", offPort, u32, cb));
1816	rcStrict = VINF_SUCCESS;
1817	}
1818
1819	return rcStrict;
1820	}
1821
1822	/**
1823	* @callback_method_impl{FNIOMIOPORTNEWIN}
1824	*/
1825	static DECLCALLBACK(VBOXSTRICTRC)
1826	lsilogicIOPortRead(PPDMDEVINS pDevIns, void pvUser, RTIOPORT offPort, uint32_t pu32, unsigned cb)
1827	{
1828	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
1829	RT_NOREF_PV(pvUser);
1830	RT_NOREF_PV(cb);
1831
1832	VBOXSTRICTRC rcStrict = lsilogicRegisterRead(pDevIns, pThis, offPort & ~(uint32_t)3, pu32);
1833	if (rcStrict == VINF_IOM_R3_MMIO_READ)
1834	rcStrict = VINF_IOM_R3_IOPORT_READ;
1835
1836	return rcStrict;
1837	}
1838
1839	/**
1840	* @callback_method_impl{FNIOMMMIONEWWRITE}
1841	*/
1842	static DECLCALLBACK(VBOXSTRICTRC) lsilogicMMIOWrite(PPDMDEVINS pDevIns, void pvUser, RTGCPHYS off, void const pv, unsigned cb)
1843	{
1844	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
1845	uint32_t u32;
1846	RT_NOREF_PV(pvUser);
1847
1848	/* See comments in lsilogicR3Construct regarding size and alignment. */
1849	if (cb == 4)
1850	u32 = (uint32_t const )pv;
1851	else
1852	{
1853	if (cb > 4)
1854	u32 = (uint32_t const )pv;
1855	else if (cb >= 2)
1856	u32 = (uint16_t const )pv;
1857	else
1858	u32 = (uint8_t const )pv;
1859	Log(("lsilogicMMIOWrite: Non-DWORD write access - off=%#RGp u32=%#x cb=%#x\n", off, u32, cb));
1860	}
1861
1862	VBOXSTRICTRC rcStrict;
1863	if (!(off & 3))
1864	rcStrict = lsilogicRegisterWrite(pDevIns, pThis, (uint32_t)off, u32);
1865	else
1866	{
1867	Log(("lsilogicMMIOWrite: Ignoring misaligned write - off=%#RGp u32=%#x cb=%#x\n", off, u32, cb));
1868	rcStrict = VINF_SUCCESS;
1869	}
1870	return rcStrict;
1871	}
1872
1873	/**
1874	* @callback_method_impl{FNIOMMMIONEWREAD}
1875	*/
1876	static DECLCALLBACK(VBOXSTRICTRC) lsilogicMMIORead(PPDMDEVINS pDevIns, void pvUser, RTGCPHYS off, void pv, unsigned cb)
1877	{
1878	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
1879	Assert(!(off & 3)); Assert(cb == 4); /* If any of these trigger you've changed the registration flags or IOM is busted. */
1880	RT_NOREF2(pvUser, cb);
1881
1882	return lsilogicRegisterRead(pDevIns, pThis, off, (uint32_t *)pv);
1883	}
1884
1885	/**
1886	* @callback_method_impl{FNIOMMMIONEWWRITE}
1887	*/
1888	static DECLCALLBACK(VBOXSTRICTRC)
1889	lsilogicDiagnosticWrite(PPDMDEVINS pDevIns, void pvUser, RTGCPHYS off, void const pv, unsigned cb)
1890	{
1891	RT_NOREF(pDevIns, pvUser, off, pv, cb);
1892	LogFlowFunc(("pThis=%#p GCPhysAddr=%RGp pv=%#p{%.*Rhxs} cb=%u\n", PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI), off, pv, cb, pv, cb));
1893	return VINF_SUCCESS;
1894	}
1895
1896	/**
1897	* @callback_method_impl{FNIOMMMIONEWREAD}
1898	*/
1899	static DECLCALLBACK(VBOXSTRICTRC) lsilogicDiagnosticRead(PPDMDEVINS pDevIns, void pvUser, RTGCPHYS off, void pv, unsigned cb)
1900	{
1901	RT_NOREF(pDevIns, pvUser, off, pv, cb);
1902	LogFlowFunc(("pThis=%#p off=%RGp pv=%#p{%.*Rhxs} cb=%u\n", PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI), off, pv, cb, pv, cb));
1903	return VINF_SUCCESS;
1904	}
1905
1906	#ifdef IN_RING3
1907
1908	# ifdef LOG_ENABLED
1909	/**
1910	* Dump an SG entry.
1911	*
1912	* @returns nothing.
1913	* @param pSGEntry Pointer to the SG entry to dump
1914	*/
1915	static void lsilogicDumpSGEntry(PMptSGEntryUnion pSGEntry)
1916	{
1917	if (LogIsEnabled())
1918	{
1919	switch (pSGEntry->Simple32.u2ElementType)
1920	{
1921	case MPTSGENTRYTYPE_SIMPLE:
1922	{
1923	Log(("%s: Dumping info for SIMPLE SG entry:\n", __FUNCTION__));
1924	Log(("%s: u24Length=%u\n", __FUNCTION__, pSGEntry->Simple32.u24Length));
1925	Log(("%s: fEndOfList=%d\n", __FUNCTION__, pSGEntry->Simple32.fEndOfList));
1926	Log(("%s: f64BitAddress=%d\n", __FUNCTION__, pSGEntry->Simple32.f64BitAddress));
1927	Log(("%s: fBufferContainsData=%d\n", __FUNCTION__, pSGEntry->Simple32.fBufferContainsData));
1928	Log(("%s: fLocalAddress=%d\n", __FUNCTION__, pSGEntry->Simple32.fLocalAddress));
1929	Log(("%s: fEndOfBuffer=%d\n", __FUNCTION__, pSGEntry->Simple32.fEndOfBuffer));
1930	Log(("%s: fLastElement=%d\n", __FUNCTION__, pSGEntry->Simple32.fLastElement));
1931	Log(("%s: u32DataBufferAddressLow=%u\n", __FUNCTION__, pSGEntry->Simple32.u32DataBufferAddressLow));
1932	if (pSGEntry->Simple32.f64BitAddress)
1933	{
1934	Log(("%s: u32DataBufferAddressHigh=%u\n", __FUNCTION__, pSGEntry->Simple64.u32DataBufferAddressHigh));
1935	Log(("%s: GCDataBufferAddress=%RGp\n", __FUNCTION__,
1936	((uint64_t)pSGEntry->Simple64.u32DataBufferAddressHigh << 32)
1937	\| pSGEntry->Simple64.u32DataBufferAddressLow));
1938	}
1939	else
1940	Log(("%s: GCDataBufferAddress=%RGp\n", __FUNCTION__, pSGEntry->Simple32.u32DataBufferAddressLow));
1941
1942	break;
1943	}
1944	case MPTSGENTRYTYPE_CHAIN:
1945	{
1946	Log(("%s: Dumping info for CHAIN SG entry:\n", __FUNCTION__));
1947	Log(("%s: u16Length=%u\n", __FUNCTION__, pSGEntry->Chain.u16Length));
1948	Log(("%s: u8NExtChainOffset=%d\n", __FUNCTION__, pSGEntry->Chain.u8NextChainOffset));
1949	Log(("%s: f64BitAddress=%d\n", __FUNCTION__, pSGEntry->Chain.f64BitAddress));
1950	Log(("%s: fLocalAddress=%d\n", __FUNCTION__, pSGEntry->Chain.fLocalAddress));
1951	Log(("%s: u32SegmentAddressLow=%u\n", __FUNCTION__, pSGEntry->Chain.u32SegmentAddressLow));
1952	Log(("%s: u32SegmentAddressHigh=%u\n", __FUNCTION__, pSGEntry->Chain.u32SegmentAddressHigh));
1953	if (pSGEntry->Chain.f64BitAddress)
1954	Log(("%s: GCSegmentAddress=%RGp\n", __FUNCTION__,
1955	((uint64_t)pSGEntry->Chain.u32SegmentAddressHigh << 32) \| pSGEntry->Chain.u32SegmentAddressLow));
1956	else
1957	Log(("%s: GCSegmentAddress=%RGp\n", __FUNCTION__, pSGEntry->Chain.u32SegmentAddressLow));
1958	break;
1959	}
1960	}
1961	}
1962	}
1963	# endif /* LOG_ENABLED */
1964
1965	/**
1966	* Copy from guest to host memory worker.
1967	*
1968	* @copydoc FNLSILOGICR3MEMCOPYCALLBACK
1969	*/
1970	static DECLCALLBACK(void) lsilogicR3CopyBufferFromGuestWorker(PPDMDEVINS pDevIns, RTGCPHYS GCPhys,
1971	PRTSGBUF pSgBuf, size_t cbCopy, size_t *pcbSkip)
1972	{
1973	size_t cbSkipped = RT_MIN(cbCopy, *pcbSkip);
1974	cbCopy -= cbSkipped;
1975	GCPhys += cbSkipped;
1976	*pcbSkip -= cbSkipped;
1977
1978	while (cbCopy)
1979	{
1980	size_t cbSeg = cbCopy;
1981	void *pvSeg = RTSgBufGetNextSegment(pSgBuf, &cbSeg);
1982
1983	AssertPtr(pvSeg);
1984	PDMDevHlpPCIPhysReadUser(pDevIns, GCPhys, pvSeg, cbSeg);
1985	GCPhys += cbSeg;
1986	cbCopy -= cbSeg;
1987	}
1988	}
1989
1990	/**
1991	* Copy from host to guest memory worker.
1992	*
1993	* @copydoc FNLSILOGICR3MEMCOPYCALLBACK
1994	*/
1995	static DECLCALLBACK(void) lsilogicR3CopyBufferToGuestWorker(PPDMDEVINS pDevIns, RTGCPHYS GCPhys,
1996	PRTSGBUF pSgBuf, size_t cbCopy, size_t *pcbSkip)
1997	{
1998	size_t cbSkipped = RT_MIN(cbCopy, *pcbSkip);
1999	cbCopy -= cbSkipped;
2000	GCPhys += cbSkipped;
2001	*pcbSkip -= cbSkipped;
2002
2003	while (cbCopy)
2004	{
2005	size_t cbSeg = cbCopy;
2006	void *pvSeg = RTSgBufGetNextSegment(pSgBuf, &cbSeg);
2007
2008	AssertPtr(pvSeg);
2009	PDMDevHlpPCIPhysWriteUser(pDevIns, GCPhys, pvSeg, cbSeg);
2010	GCPhys += cbSeg;
2011	cbCopy -= cbSeg;
2012	}
2013	}
2014
2015	/**
2016	* Walks the guest S/G buffer calling the given copy worker for every buffer.
2017	*
2018	* @returns The amout of bytes actually copied.
2019	* @param pDevIns The device instance.
2020	* @param pLsiReq LSI request state.
2021	* @param pfnCopyWorker The copy method to apply for each guest buffer.
2022	* @param pSgBuf The host S/G buffer.
2023	* @param cbSkip How many bytes to skip in advance before starting to
2024	* copy.
2025	* @param cbCopy How many bytes to copy.
2026	*/
2027	static size_t lsilogicSgBufWalker(PPDMDEVINS pDevIns, PLSILOGICREQ pLsiReq,
2028	PFNLSILOGICR3MEMCOPYCALLBACK pfnCopyWorker,
2029	PRTSGBUF pSgBuf, size_t cbSkip, size_t cbCopy)
2030	{
2031	bool fEndOfList = false;
2032	RTGCPHYS GCPhysSgEntryNext = pLsiReq->GCPhysSgStart;
2033	RTGCPHYS GCPhysSegmentStart = pLsiReq->GCPhysSgStart;
2034	uint32_t cChainOffsetNext = pLsiReq->cChainOffset;
2035	size_t cbCopied = 0;
2036
2037	/*
2038	* Add the amount to skip to the host buffer size to avoid a
2039	* few conditionals later on.
2040	*/
2041	cbCopy += cbSkip;
2042
2043	/* Go through the list until we reach the end. */
2044	while ( !fEndOfList
2045	&& cbCopy)
2046	{
2047	bool fEndOfSegment = false;
2048
2049	while ( !fEndOfSegment
2050	&& cbCopy)
2051	{
2052	MptSGEntryUnion SGEntry;
2053
2054	Log(("%s: Reading SG entry from %RGp\n", __FUNCTION__, GCPhysSgEntryNext));
2055
2056	/* Read the entry. */
2057	PDMDevHlpPCIPhysReadMeta(pDevIns, GCPhysSgEntryNext, &SGEntry, sizeof(MptSGEntryUnion));
2058
2059	# ifdef LOG_ENABLED
2060	lsilogicDumpSGEntry(&SGEntry);
2061	# endif
2062
2063	AssertMsg(SGEntry.Simple32.u2ElementType == MPTSGENTRYTYPE_SIMPLE, ("Invalid SG entry type\n"));
2064
2065	/* Check if this is a zero element and abort. */
2066	if ( !SGEntry.Simple32.u24Length
2067	&& SGEntry.Simple32.fEndOfList
2068	&& SGEntry.Simple32.fEndOfBuffer)
2069	return cbCopied - RT_MIN(cbSkip, cbCopied);
2070
2071	size_t cbCopyThis = RT_MIN(SGEntry.Simple32.u24Length, cbCopy);
2072	RTGCPHYS GCPhysAddrDataBuffer = SGEntry.Simple32.u32DataBufferAddressLow;
2073
2074	if (SGEntry.Simple32.f64BitAddress)
2075	{
2076	GCPhysAddrDataBuffer \|= ((uint64_t)SGEntry.Simple64.u32DataBufferAddressHigh) << 32;
2077	GCPhysSgEntryNext += sizeof(MptSGEntrySimple64);
2078	}
2079	else
2080	GCPhysSgEntryNext += sizeof(MptSGEntrySimple32);
2081
2082	pfnCopyWorker(pDevIns, GCPhysAddrDataBuffer, pSgBuf, cbCopyThis, &cbSkip);
2083	cbCopy -= cbCopyThis;
2084	cbCopied += cbCopyThis;
2085
2086	/* Check if we reached the end of the list. */
2087	if (SGEntry.Simple32.fEndOfList)
2088	{
2089	/* We finished. */
2090	fEndOfSegment = true;
2091	fEndOfList = true;
2092	}
2093	else if (SGEntry.Simple32.fLastElement)
2094	fEndOfSegment = true;
2095	} /* while (!fEndOfSegment) */
2096
2097	/* Get next chain element. */
2098	if (cChainOffsetNext)
2099	{
2100	MptSGEntryChain SGEntryChain;
2101
2102	PDMDevHlpPCIPhysReadMeta(pDevIns, GCPhysSegmentStart + cChainOffsetNext, &SGEntryChain, sizeof(MptSGEntryChain));
2103
2104	AssertMsg(SGEntryChain.u2ElementType == MPTSGENTRYTYPE_CHAIN, ("Invalid SG entry type\n"));
2105
2106	/* Set the next address now. */
2107	GCPhysSgEntryNext = SGEntryChain.u32SegmentAddressLow;
2108	if (SGEntryChain.f64BitAddress)
2109	GCPhysSgEntryNext \|= ((uint64_t)SGEntryChain.u32SegmentAddressHigh) << 32;
2110
2111	GCPhysSegmentStart = GCPhysSgEntryNext;
2112	cChainOffsetNext = SGEntryChain.u8NextChainOffset * sizeof(uint32_t);
2113	}
2114	} /* while (!fEndOfList) */
2115
2116	return cbCopied - RT_MIN(cbSkip, cbCopied);
2117	}
2118
2119	/**
2120	* Copies a data buffer into the S/G buffer set up by the guest.
2121	*
2122	* @returns Amount of bytes copied to the guest.
2123	* @param pDevIns The device instance.
2124	* @param pReq Request structure.
2125	* @param pSgBuf The S/G buffer to copy from.
2126	* @param cbSkip How many bytes to skip in advance before starting to copy.
2127	* @param cbCopy How many bytes to copy.
2128	*/
2129	static size_t lsilogicR3CopySgBufToGuest(PPDMDEVINS pDevIns, PLSILOGICREQ pReq, PRTSGBUF pSgBuf,
2130	size_t cbSkip, size_t cbCopy)
2131	{
2132	return lsilogicSgBufWalker(pDevIns, pReq, lsilogicR3CopyBufferToGuestWorker, pSgBuf, cbSkip, cbCopy);
2133	}
2134
2135	/**
2136	* Copies the guest S/G buffer into a host data buffer.
2137	*
2138	* @returns Amount of bytes copied from the guest.
2139	* @param pDevIns The device instance.
2140	* @param pReq Request structure.
2141	* @param pSgBuf The S/G buffer to copy into.
2142	* @param cbSkip How many bytes to skip in advance before starting to copy.
2143	* @param cbCopy How many bytes to copy.
2144	*/
2145	static size_t lsilogicR3CopySgBufFromGuest(PPDMDEVINS pDevIns, PLSILOGICREQ pReq, PRTSGBUF pSgBuf,
2146	size_t cbSkip, size_t cbCopy)
2147	{
2148	return lsilogicSgBufWalker(pDevIns, pReq, lsilogicR3CopyBufferFromGuestWorker, pSgBuf, cbSkip, cbCopy);
2149	}
2150
2151	#if 0 /* unused */
2152	/**
2153	* Copy a simple memory buffer to the guest memory buffer.
2154	*
2155	* @returns Amount of bytes copied to the guest.
2156	* @param pThis The LsiLogic controller device instance.
2157	* @param pReq Request structure.
2158	* @param pvSrc The buffer to copy from.
2159	* @param cbSrc How many bytes to copy.
2160	* @param cbSkip How many bytes to skip initially.
2161	*/
2162	static size_t lsilogicR3CopyBufferToGuest(PLSILOGICSCSI pThis, PLSILOGICREQ pReq, const void *pvSrc,
2163	size_t cbSrc, size_t cbSkip)
2164	{
2165	RTSGSEG Seg;
2166	RTSGBUF SgBuf;
2167	Seg.pvSeg = (void *)pvSrc;
2168	Seg.cbSeg = cbSrc;
2169	RTSgBufInit(&SgBuf, &Seg, 1);
2170	return lsilogicR3CopySgBufToGuest(pThis, pReq, &SgBuf, cbSkip, cbSrc);
2171	}
2172
2173	/**
2174	* Copy a guest memry buffe into simple host memory buffer.
2175	*
2176	* @returns Amount of bytes copied to the guest.
2177	* @param pThis The LsiLogic controller device instance.
2178	* @param pReq Request structure.
2179	* @param pvSrc The buffer to copy from.
2180	* @param cbSrc How many bytes to copy.
2181	* @param cbSkip How many bytes to skip initially.
2182	*/
2183	static size_t lsilogicR3CopyBufferFromGuest(PLSILOGICSCSI pThis, PLSILOGICREQ pReq, void *pvDst,
2184	size_t cbDst, size_t cbSkip)
2185	{
2186	RTSGSEG Seg;
2187	RTSGBUF SgBuf;
2188	Seg.pvSeg = (void *)pvDst;
2189	Seg.cbSeg = cbDst;
2190	RTSgBufInit(&SgBuf, &Seg, 1);
2191	return lsilogicR3CopySgBufFromGuest(pThis, pReq, &SgBuf, cbSkip, cbDst);
2192	}
2193	#endif
2194
2195	# ifdef LOG_ENABLED
2196	static void lsilogicR3DumpSCSIIORequest(PMptSCSIIORequest pSCSIIORequest)
2197	{
2198	if (LogIsEnabled())
2199	{
2200	Log(("%s: u8TargetID=%d\n", __FUNCTION__, pSCSIIORequest->u8TargetID));
2201	Log(("%s: u8Bus=%d\n", __FUNCTION__, pSCSIIORequest->u8Bus));
2202	Log(("%s: u8ChainOffset=%d\n", __FUNCTION__, pSCSIIORequest->u8ChainOffset));
2203	Log(("%s: u8Function=%d\n", __FUNCTION__, pSCSIIORequest->u8Function));
2204	Log(("%s: u8CDBLength=%d\n", __FUNCTION__, pSCSIIORequest->u8CDBLength));
2205	Log(("%s: u8SenseBufferLength=%d\n", __FUNCTION__, pSCSIIORequest->u8SenseBufferLength));
2206	Log(("%s: u8MessageFlags=%d\n", __FUNCTION__, pSCSIIORequest->u8MessageFlags));
2207	Log(("%s: u32MessageContext=%#x\n", __FUNCTION__, pSCSIIORequest->u32MessageContext));
2208	for (unsigned i = 0; i < RT_ELEMENTS(pSCSIIORequest->au8LUN); i++)
2209	Log(("%s: u8LUN[%d]=%d\n", __FUNCTION__, i, pSCSIIORequest->au8LUN[i]));
2210	Log(("%s: u32Control=%#x\n", __FUNCTION__, pSCSIIORequest->u32Control));
2211	for (unsigned i = 0; i < RT_ELEMENTS(pSCSIIORequest->au8CDB); i++)
2212	Log(("%s: u8CDB[%d]=%d\n", __FUNCTION__, i, pSCSIIORequest->au8CDB[i]));
2213	Log(("%s: u32DataLength=%#x\n", __FUNCTION__, pSCSIIORequest->u32DataLength));
2214	Log(("%s: u32SenseBufferLowAddress=%#x\n", __FUNCTION__, pSCSIIORequest->u32SenseBufferLowAddress));
2215	}
2216	}
2217	# endif
2218
2219	/**
2220	* Handles the completion of th given request.
2221	*
2222	* @returns nothing.
2223	* @param pDevIns The device instance.
2224	* @param pThis Pointer to the shared LsiLogic device state.
2225	* @param pReq The request to complete.
2226	* @param rcReq Status code of the request.
2227	*/
2228	static void lsilogicR3ReqComplete(PPDMDEVINS pDevIns, PLSILOGICSCSI pThis, PLSILOGICREQ pReq, int rcReq)
2229	{
2230	PLSILOGICDEVICE pTgtDev = pReq->pTargetDevice;
2231	RTGCPHYS GCPhysAddrSenseBuffer;
2232
2233	GCPhysAddrSenseBuffer = pReq->GuestRequest.SCSIIO.u32SenseBufferLowAddress;
2234	GCPhysAddrSenseBuffer \|= ((uint64_t)pThis->u32SenseBufferHighAddr << 32);
2235
2236	/* Copy the sense buffer over. */
2237	if (pReq->GuestRequest.SCSIIO.u8SenseBufferLength > 0)
2238	PDMDevHlpPCIPhysWriteMeta(pDevIns, GCPhysAddrSenseBuffer, pReq->abSenseBuffer,
2239	RT_UNLIKELY( pReq->GuestRequest.SCSIIO.u8SenseBufferLength
2240	< sizeof(pReq->abSenseBuffer))
2241	? pReq->GuestRequest.SCSIIO.u8SenseBufferLength
2242	: sizeof(pReq->abSenseBuffer));
2243
2244	if (RT_SUCCESS(rcReq) && RT_LIKELY(pReq->u8ScsiSts == SCSI_STATUS_OK))
2245	{
2246	uint32_t u32MsgCtx = pReq->GuestRequest.SCSIIO.u32MessageContext;
2247
2248	/* Free the request before posting completion. */
2249	pTgtDev->pDrvMediaEx->pfnIoReqFree(pTgtDev->pDrvMediaEx, pReq->hIoReq);
2250	lsilogicR3FinishContextReply(pDevIns, pThis, u32MsgCtx);
2251	}
2252	else
2253	{
2254	MptReplyUnion IOCReply;
2255	RT_ZERO(IOCReply);
2256
2257	/* The SCSI target encountered an error during processing post a reply. */
2258	IOCReply.SCSIIOError.u8TargetID = pReq->GuestRequest.SCSIIO.u8TargetID;
2259	IOCReply.SCSIIOError.u8Bus = pReq->GuestRequest.SCSIIO.u8Bus;
2260	IOCReply.SCSIIOError.u8MessageLength = 8;
2261	IOCReply.SCSIIOError.u8Function = pReq->GuestRequest.SCSIIO.u8Function;
2262	IOCReply.SCSIIOError.u8CDBLength = pReq->GuestRequest.SCSIIO.u8CDBLength;
2263	IOCReply.SCSIIOError.u8SenseBufferLength = pReq->GuestRequest.SCSIIO.u8SenseBufferLength;
2264	IOCReply.SCSIIOError.u8MessageFlags = pReq->GuestRequest.SCSIIO.u8MessageFlags;
2265	IOCReply.SCSIIOError.u32MessageContext = pReq->GuestRequest.SCSIIO.u32MessageContext;
2266	IOCReply.SCSIIOError.u8SCSIStatus = pReq->u8ScsiSts;
2267	IOCReply.SCSIIOError.u8SCSIState = MPT_SCSI_IO_ERROR_SCSI_STATE_AUTOSENSE_VALID;
2268	IOCReply.SCSIIOError.u16IOCStatus = 0;
2269	IOCReply.SCSIIOError.u32IOCLogInfo = 0;
2270	IOCReply.SCSIIOError.u32TransferCount = 0;
2271	IOCReply.SCSIIOError.u32SenseCount = sizeof(pReq->abSenseBuffer);
2272	IOCReply.SCSIIOError.u32ResponseInfo = 0;
2273
2274	/* Free the request before posting completion. */
2275	pTgtDev->pDrvMediaEx->pfnIoReqFree(pTgtDev->pDrvMediaEx, pReq->hIoReq);
2276	lsilogicFinishAddressReply(pDevIns, pThis, &IOCReply, false);
2277	}
2278
2279	ASMAtomicDecU32(&pTgtDev->cOutstandingRequests);
2280
2281	if (pTgtDev->cOutstandingRequests == 0 && pThis->fSignalIdle)
2282	PDMDevHlpAsyncNotificationCompleted(pDevIns);
2283	}
2284
2285	/**
2286	* Processes a SCSI I/O request by setting up the request
2287	* and sending it to the underlying SCSI driver.
2288	* Steps needed to complete request are done in the
2289	* callback called by the driver below upon completion of
2290	* the request.
2291	*
2292	* @returns VBox status code.
2293	* @param pDevIns The device instance.
2294	* @param pThis Pointer to the shared LsiLogic device state.
2295	* @param pThisCC Pointer to the ring-3 LsiLogic device state.
2296	* @param GCPhysMessageFrameAddr Guest physical address where the request is located.
2297	* @param pGuestReq The request read fro th guest memory.
2298	*/
2299	static int lsilogicR3ProcessSCSIIORequest(PPDMDEVINS pDevIns, PLSILOGICSCSI pThis, PLSILOGICSCSICC pThisCC,
2300	RTGCPHYS GCPhysMessageFrameAddr, PMptRequestUnion pGuestReq)
2301	{
2302	MptReplyUnion IOCReply;
2303	int rc = VINF_SUCCESS;
2304
2305	# ifdef LOG_ENABLED
2306	lsilogicR3DumpSCSIIORequest(&pGuestReq->SCSIIO);
2307	# endif
2308
2309	if (RT_LIKELY( (pGuestReq->SCSIIO.u8TargetID < pThis->cDeviceStates)
2310	&& (pGuestReq->SCSIIO.u8Bus == 0)))
2311	{
2312	PLSILOGICDEVICE pTgtDev = &pThisCC->paDeviceStates[pGuestReq->SCSIIO.u8TargetID];
2313
2314	if (pTgtDev->pDrvBase)
2315	{
2316	/* Allocate and prepare a new request. */
2317	PDMMEDIAEXIOREQ hIoReq;
2318	PLSILOGICREQ pLsiReq = NULL;
2319	rc = pTgtDev->pDrvMediaEx->pfnIoReqAlloc(pTgtDev->pDrvMediaEx, &hIoReq, (void **)&pLsiReq,
2320	pGuestReq->SCSIIO.u32MessageContext,
2321	PDMIMEDIAEX_F_SUSPEND_ON_RECOVERABLE_ERR);
2322	if (RT_SUCCESS(rc))
2323	{
2324	pLsiReq->hIoReq = hIoReq;
2325	pLsiReq->pTargetDevice = pTgtDev;
2326	pLsiReq->GCPhysMessageFrameAddr = GCPhysMessageFrameAddr;
2327	pLsiReq->GCPhysSgStart = GCPhysMessageFrameAddr + sizeof(MptSCSIIORequest);
2328	pLsiReq->cChainOffset = pGuestReq->SCSIIO.u8ChainOffset;
2329	if (pLsiReq->cChainOffset)
2330	pLsiReq->cChainOffset = pLsiReq->cChainOffset * sizeof(uint32_t) - sizeof(MptSCSIIORequest);
2331	memcpy(&pLsiReq->GuestRequest, pGuestReq, sizeof(MptRequestUnion));
2332	RT_BZERO(&pLsiReq->abSenseBuffer[0], sizeof(pLsiReq->abSenseBuffer));
2333
2334	PDMMEDIAEXIOREQSCSITXDIR enmXferDir = PDMMEDIAEXIOREQSCSITXDIR_UNKNOWN;
2335	uint8_t uDataDirection = MPT_SCSIIO_REQUEST_CONTROL_TXDIR_GET(pLsiReq->GuestRequest.SCSIIO.u32Control);
2336
2337	/*
2338	* Keep the direction to unknown if there is a mismatch between the data length
2339	* and the transfer direction bit.
2340	* The Solaris 9 driver is buggy and sets it to none for INQUIRY requests.
2341	*/
2342	if ( uDataDirection == MPT_SCSIIO_REQUEST_CONTROL_TXDIR_NONE
2343	&& pLsiReq->GuestRequest.SCSIIO.u32DataLength == 0)
2344	enmXferDir = PDMMEDIAEXIOREQSCSITXDIR_NONE;
2345	else if (uDataDirection == MPT_SCSIIO_REQUEST_CONTROL_TXDIR_WRITE)
2346	enmXferDir = PDMMEDIAEXIOREQSCSITXDIR_TO_DEVICE;
2347	else if (uDataDirection == MPT_SCSIIO_REQUEST_CONTROL_TXDIR_READ)
2348	enmXferDir = PDMMEDIAEXIOREQSCSITXDIR_FROM_DEVICE;
2349
2350	ASMAtomicIncU32(&pTgtDev->cOutstandingRequests);
2351	rc = pTgtDev->pDrvMediaEx->pfnIoReqSendScsiCmd(pTgtDev->pDrvMediaEx, pLsiReq->hIoReq, pLsiReq->GuestRequest.SCSIIO.au8LUN[1],
2352	&pLsiReq->GuestRequest.SCSIIO.au8CDB[0], pLsiReq->GuestRequest.SCSIIO.u8CDBLength,
2353	enmXferDir, NULL, pLsiReq->GuestRequest.SCSIIO.u32DataLength,
2354	&pLsiReq->abSenseBuffer[0], sizeof(pLsiReq->abSenseBuffer), NULL,
2355	&pLsiReq->u8ScsiSts, 30 * RT_MS_1SEC);
2356	if (rc != VINF_PDM_MEDIAEX_IOREQ_IN_PROGRESS)
2357	lsilogicR3ReqComplete(pDevIns, pThis, pLsiReq, rc);
2358
2359	return VINF_SUCCESS;
2360	}
2361	else
2362	IOCReply.SCSIIOError.u16IOCStatus = MPT_SCSI_IO_ERROR_IOCSTATUS_DEVICE_NOT_THERE;
2363	}
2364	else
2365	{
2366	/* Device is not present report SCSI selection timeout. */
2367	IOCReply.SCSIIOError.u16IOCStatus = MPT_SCSI_IO_ERROR_IOCSTATUS_DEVICE_NOT_THERE;
2368	}
2369	}
2370	else
2371	{
2372	/* Report out of bounds target ID or bus. */
2373	if (pGuestReq->SCSIIO.u8Bus != 0)
2374	IOCReply.SCSIIOError.u16IOCStatus = MPT_SCSI_IO_ERROR_IOCSTATUS_INVALID_BUS;
2375	else
2376	IOCReply.SCSIIOError.u16IOCStatus = MPT_SCSI_IO_ERROR_IOCSTATUS_INVALID_TARGETID;
2377	}
2378
2379	static int g_cLogged = 0;
2380
2381	if (g_cLogged++ < MAX_REL_LOG_ERRORS)
2382	{
2383	LogRel(("LsiLogic#%d: %d/%d (Bus/Target) doesn't exist\n", pDevIns->iInstance,
2384	pGuestReq->SCSIIO.u8TargetID, pGuestReq->SCSIIO.u8Bus));
2385	/* Log the CDB too */
2386	LogRel(("LsiLogic#%d: Guest issued CDB {%#x",
2387	pDevIns->iInstance, pGuestReq->SCSIIO.au8CDB[0]));
2388	for (unsigned i = 1; i < pGuestReq->SCSIIO.u8CDBLength; i++)
2389	LogRel((", %#x", pGuestReq->SCSIIO.au8CDB[i]));
2390	LogRel(("}\n"));
2391	}
2392
2393	/* The rest is equal to both errors. */
2394	IOCReply.SCSIIOError.u8TargetID = pGuestReq->SCSIIO.u8TargetID;
2395	IOCReply.SCSIIOError.u8Bus = pGuestReq->SCSIIO.u8Bus;
2396	IOCReply.SCSIIOError.u8MessageLength = sizeof(MptSCSIIOErrorReply) / 4;
2397	IOCReply.SCSIIOError.u8Function = pGuestReq->SCSIIO.u8Function;
2398	IOCReply.SCSIIOError.u8CDBLength = pGuestReq->SCSIIO.u8CDBLength;
2399	IOCReply.SCSIIOError.u8SenseBufferLength = pGuestReq->SCSIIO.u8SenseBufferLength;
2400	IOCReply.SCSIIOError.u8Reserved = 0;
2401	IOCReply.SCSIIOError.u8MessageFlags = 0;
2402	IOCReply.SCSIIOError.u32MessageContext = pGuestReq->SCSIIO.u32MessageContext;
2403	IOCReply.SCSIIOError.u8SCSIStatus = SCSI_STATUS_OK;
2404	IOCReply.SCSIIOError.u8SCSIState = MPT_SCSI_IO_ERROR_SCSI_STATE_TERMINATED;
2405	IOCReply.SCSIIOError.u32IOCLogInfo = 0;
2406	IOCReply.SCSIIOError.u32TransferCount = 0;
2407	IOCReply.SCSIIOError.u32SenseCount = 0;
2408	IOCReply.SCSIIOError.u32ResponseInfo = 0;
2409
2410	lsilogicFinishAddressReply(pDevIns, pThis, &IOCReply, false);
2411
2412	return rc;
2413	}
2414
2415
2416	/**
2417	* @interface_method_impl{PDMIMEDIAPORT,pfnQueryDeviceLocation}
2418	*/
2419	static DECLCALLBACK(int) lsilogicR3QueryDeviceLocation(PPDMIMEDIAPORT pInterface, const char **ppcszController,
2420	uint32_t piInstance, uint32_t piLUN)
2421	{
2422	PLSILOGICDEVICE pTgtDev = RT_FROM_MEMBER(pInterface, LSILOGICDEVICE, IMediaPort);
2423	PPDMDEVINS pDevIns = pTgtDev->pDevIns;
2424
2425	AssertPtrReturn(ppcszController, VERR_INVALID_POINTER);
2426	AssertPtrReturn(piInstance, VERR_INVALID_POINTER);
2427	AssertPtrReturn(piLUN, VERR_INVALID_POINTER);
2428
2429	*ppcszController = pDevIns->pReg->szName;
2430	*piInstance = pDevIns->iInstance;
2431	*piLUN = pTgtDev->iLUN;
2432
2433	return VINF_SUCCESS;
2434	}
2435
2436
2437	/**
2438	* @interface_method_impl{PDMIMEDIAEXPORT,pfnIoReqCopyFromBuf}
2439	*/
2440	static DECLCALLBACK(int) lsilogicR3IoReqCopyFromBuf(PPDMIMEDIAEXPORT pInterface, PDMMEDIAEXIOREQ hIoReq,
2441	void *pvIoReqAlloc, uint32_t offDst, PRTSGBUF pSgBuf,
2442	size_t cbCopy)
2443	{
2444	RT_NOREF1(hIoReq);
2445	PLSILOGICDEVICE pTgtDev = RT_FROM_MEMBER(pInterface, LSILOGICDEVICE, IMediaExPort);
2446	PPDMDEVINS pDevIns = pTgtDev->pDevIns;
2447	PLSILOGICREQ pReq = (PLSILOGICREQ)pvIoReqAlloc;
2448
2449	size_t cbCopied = lsilogicR3CopySgBufToGuest(pDevIns, pReq, pSgBuf, offDst, cbCopy);
2450	return cbCopied == cbCopy ? VINF_SUCCESS : VERR_PDM_MEDIAEX_IOBUF_OVERFLOW;
2451	}
2452
2453	/**
2454	* @interface_method_impl{PDMIMEDIAEXPORT,pfnIoReqCopyToBuf}
2455	*/
2456	static DECLCALLBACK(int) lsilogicR3IoReqCopyToBuf(PPDMIMEDIAEXPORT pInterface, PDMMEDIAEXIOREQ hIoReq,
2457	void *pvIoReqAlloc, uint32_t offSrc, PRTSGBUF pSgBuf,
2458	size_t cbCopy)
2459	{
2460	RT_NOREF1(hIoReq);
2461	PLSILOGICDEVICE pTgtDev = RT_FROM_MEMBER(pInterface, LSILOGICDEVICE, IMediaExPort);
2462	PPDMDEVINS pDevIns = pTgtDev->pDevIns;
2463	PLSILOGICREQ pReq = (PLSILOGICREQ)pvIoReqAlloc;
2464
2465	size_t cbCopied = lsilogicR3CopySgBufFromGuest(pDevIns, pReq, pSgBuf, offSrc, cbCopy);
2466	return cbCopied == cbCopy ? VINF_SUCCESS : VERR_PDM_MEDIAEX_IOBUF_UNDERRUN;
2467	}
2468
2469	/**
2470	* @interface_method_impl{PDMIMEDIAEXPORT,pfnIoReqCompleteNotify}
2471	*/
2472	static DECLCALLBACK(int) lsilogicR3IoReqCompleteNotify(PPDMIMEDIAEXPORT pInterface, PDMMEDIAEXIOREQ hIoReq,
2473	void *pvIoReqAlloc, int rcReq)
2474	{
2475	RT_NOREF(hIoReq);
2476	PLSILOGICDEVICE pTgtDev = RT_FROM_MEMBER(pInterface, LSILOGICDEVICE, IMediaExPort);
2477	PPDMDEVINS pDevIns = pTgtDev->pDevIns;
2478	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
2479	lsilogicR3ReqComplete(pDevIns, pThis, (PLSILOGICREQ)pvIoReqAlloc, rcReq);
2480	return VINF_SUCCESS;
2481	}
2482
2483	/**
2484	* @interface_method_impl{PDMIMEDIAEXPORT,pfnIoReqStateChanged}
2485	*/
2486	static DECLCALLBACK(void) lsilogicR3IoReqStateChanged(PPDMIMEDIAEXPORT pInterface, PDMMEDIAEXIOREQ hIoReq,
2487	void *pvIoReqAlloc, PDMMEDIAEXIOREQSTATE enmState)
2488	{
2489	RT_NOREF3(hIoReq, pvIoReqAlloc, enmState);
2490	PLSILOGICDEVICE pTgtDev = RT_FROM_MEMBER(pInterface, LSILOGICDEVICE, IMediaExPort);
2491
2492	switch (enmState)
2493	{
2494	case PDMMEDIAEXIOREQSTATE_SUSPENDED:
2495	{
2496	/* Make sure the request is not accounted for so the VM can suspend successfully. */
2497	PPDMDEVINS pDevIns = pTgtDev->pDevIns;
2498	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
2499	uint32_t cTasksActive = ASMAtomicDecU32(&pTgtDev->cOutstandingRequests);
2500	if (!cTasksActive && pThis->fSignalIdle)
2501	PDMDevHlpAsyncNotificationCompleted(pDevIns);
2502	break;
2503	}
2504	case PDMMEDIAEXIOREQSTATE_ACTIVE:
2505	/* Make sure the request is accounted for so the VM suspends only when the request is complete. */
2506	ASMAtomicIncU32(&pTgtDev->cOutstandingRequests);
2507	break;
2508	default:
2509	AssertMsgFailed(("Invalid request state given %u\n", enmState));
2510	}
2511	}
2512
2513	/**
2514	* @interface_method_impl{PDMIMEDIAEXPORT,pfnMediumEjected}
2515	*/
2516	static DECLCALLBACK(void) lsilogicR3MediumEjected(PPDMIMEDIAEXPORT pInterface)
2517	{
2518	PLSILOGICDEVICE pTgtDev = RT_FROM_MEMBER(pInterface, LSILOGICDEVICE, IMediaExPort);
2519	PPDMDEVINS pDevIns = pTgtDev->pDevIns;
2520	PLSILOGICSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PLSILOGICSCSICC);
2521
2522	if (pThisCC->pMediaNotify)
2523	{
2524	int rc = PDMDevHlpVMReqCallNoWait(pDevIns, VMCPUID_ANY,
2525	(PFNRT)pThisCC->pMediaNotify->pfnEjected, 2,
2526	pThisCC->pMediaNotify, pTgtDev->iLUN);
2527	AssertRC(rc);
2528	}
2529	}
2530
2531
2532	/**
2533	* Return the configuration page header and data
2534	* which matches the given page type and number.
2535	*
2536	* @returns VINF_SUCCESS if successful
2537	* VERR_NOT_FOUND if the requested page could be found.
2538	* @param pThis Pointer to the shared LsiLogic device state. data.
2539	* @param pPages The pages supported by the controller.
2540	* @param u8PageNumber Number of the page to get.
2541	* @param ppPageHeader Where to store the pointer to the page header.
2542	* @param ppbPageData Where to store the pointer to the page data.
2543	* @param pcbPage Where to store the size of the page data in bytes on success.
2544	*/
2545	static int lsilogicR3ConfigurationIOUnitPageGetFromNumber(PLSILOGICSCSI pThis,
2546	PMptConfigurationPagesSupported pPages,
2547	uint8_t u8PageNumber,
2548	PMptConfigurationPageHeader *ppPageHeader,
2549	uint8_t *ppbPageData, size_t pcbPage)
2550	{
2551	RT_NOREF(pThis);
2552	int rc = VINF_SUCCESS;
2553
2554	AssertPtr(ppPageHeader); Assert(ppbPageData);
2555
2556	switch (u8PageNumber)
2557	{
2558	case 0:
2559	*ppPageHeader = &pPages->IOUnitPage0.u.fields.Header;
2560	*ppbPageData = pPages->IOUnitPage0.u.abPageData;
2561	*pcbPage = sizeof(pPages->IOUnitPage0);
2562	break;
2563	case 1:
2564	*ppPageHeader = &pPages->IOUnitPage1.u.fields.Header;
2565	*ppbPageData = pPages->IOUnitPage1.u.abPageData;
2566	*pcbPage = sizeof(pPages->IOUnitPage1);
2567	break;
2568	case 2:
2569	*ppPageHeader = &pPages->IOUnitPage2.u.fields.Header;
2570	*ppbPageData = pPages->IOUnitPage2.u.abPageData;
2571	*pcbPage = sizeof(pPages->IOUnitPage2);
2572	break;
2573	case 3:
2574	*ppPageHeader = &pPages->IOUnitPage3.u.fields.Header;
2575	*ppbPageData = pPages->IOUnitPage3.u.abPageData;
2576	*pcbPage = sizeof(pPages->IOUnitPage3);
2577	break;
2578	case 4:
2579	*ppPageHeader = &pPages->IOUnitPage4.u.fields.Header;
2580	*ppbPageData = pPages->IOUnitPage4.u.abPageData;
2581	*pcbPage = sizeof(pPages->IOUnitPage4);
2582	break;
2583	default:
2584	rc = VERR_NOT_FOUND;
2585	}
2586
2587	return rc;
2588	}
2589
2590	/**
2591	* Return the configuration page header and data
2592	* which matches the given page type and number.
2593	*
2594	* @returns VINF_SUCCESS if successful
2595	* VERR_NOT_FOUND if the requested page could be found.
2596	* @param pThis Pointer to the shared LsiLogic device state. data.
2597	* @param pPages The pages supported by the controller.
2598	* @param u8PageNumber Number of the page to get.
2599	* @param ppPageHeader Where to store the pointer to the page header.
2600	* @param ppbPageData Where to store the pointer to the page data.
2601	* @param pcbPage Where to store the size of the page data in bytes on success.
2602	*/
2603	static int lsilogicR3ConfigurationIOCPageGetFromNumber(PLSILOGICSCSI pThis,
2604	PMptConfigurationPagesSupported pPages,
2605	uint8_t u8PageNumber,
2606	PMptConfigurationPageHeader *ppPageHeader,
2607	uint8_t *ppbPageData, size_t pcbPage)
2608	{
2609	RT_NOREF(pThis);
2610	int rc = VINF_SUCCESS;
2611
2612	AssertPtr(ppPageHeader); Assert(ppbPageData);
2613
2614	switch (u8PageNumber)
2615	{
2616	case 0:
2617	*ppPageHeader = &pPages->IOCPage0.u.fields.Header;
2618	*ppbPageData = pPages->IOCPage0.u.abPageData;
2619	*pcbPage = sizeof(pPages->IOCPage0);
2620	break;
2621	case 1:
2622	*ppPageHeader = &pPages->IOCPage1.u.fields.Header;
2623	*ppbPageData = pPages->IOCPage1.u.abPageData;
2624	*pcbPage = sizeof(pPages->IOCPage1);
2625	break;
2626	case 2:
2627	*ppPageHeader = &pPages->IOCPage2.u.fields.Header;
2628	*ppbPageData = pPages->IOCPage2.u.abPageData;
2629	*pcbPage = sizeof(pPages->IOCPage2);
2630	break;
2631	case 3:
2632	*ppPageHeader = &pPages->IOCPage3.u.fields.Header;
2633	*ppbPageData = pPages->IOCPage3.u.abPageData;
2634	*pcbPage = sizeof(pPages->IOCPage3);
2635	break;
2636	case 4:
2637	*ppPageHeader = &pPages->IOCPage4.u.fields.Header;
2638	*ppbPageData = pPages->IOCPage4.u.abPageData;
2639	*pcbPage = sizeof(pPages->IOCPage4);
2640	break;
2641	case 6:
2642	*ppPageHeader = &pPages->IOCPage6.u.fields.Header;
2643	*ppbPageData = pPages->IOCPage6.u.abPageData;
2644	*pcbPage = sizeof(pPages->IOCPage6);
2645	break;
2646	default:
2647	rc = VERR_NOT_FOUND;
2648	}
2649
2650	return rc;
2651	}
2652
2653	/**
2654	* Return the configuration page header and data
2655	* which matches the given page type and number.
2656	*
2657	* @returns VINF_SUCCESS if successful
2658	* VERR_NOT_FOUND if the requested page could be found.
2659	* @param pThis Pointer to the shared LsiLogic device state. data.
2660	* @param pPages The pages supported by the controller.
2661	* @param u8PageNumber Number of the page to get.
2662	* @param ppPageHeader Where to store the pointer to the page header.
2663	* @param ppbPageData Where to store the pointer to the page data.
2664	* @param pcbPage Where to store the size of the page data in bytes on success.
2665	*/
2666	static int lsilogicR3ConfigurationManufacturingPageGetFromNumber(PLSILOGICSCSI pThis,
2667	PMptConfigurationPagesSupported pPages,
2668	uint8_t u8PageNumber,
2669	PMptConfigurationPageHeader *ppPageHeader,
2670	uint8_t *ppbPageData, size_t pcbPage)
2671	{
2672	int rc = VINF_SUCCESS;
2673
2674	AssertPtr(ppPageHeader); Assert(ppbPageData);
2675
2676	switch (u8PageNumber)
2677	{
2678	case 0:
2679	*ppPageHeader = &pPages->ManufacturingPage0.u.fields.Header;
2680	*ppbPageData = pPages->ManufacturingPage0.u.abPageData;
2681	*pcbPage = sizeof(pPages->ManufacturingPage0);
2682	break;
2683	case 1:
2684	*ppPageHeader = &pPages->ManufacturingPage1.u.fields.Header;
2685	*ppbPageData = pPages->ManufacturingPage1.u.abPageData;
2686	*pcbPage = sizeof(pPages->ManufacturingPage1);
2687	break;
2688	case 2:
2689	*ppPageHeader = &pPages->ManufacturingPage2.u.fields.Header;
2690	*ppbPageData = pPages->ManufacturingPage2.u.abPageData;
2691	*pcbPage = sizeof(pPages->ManufacturingPage2);
2692	break;
2693	case 3:
2694	*ppPageHeader = &pPages->ManufacturingPage3.u.fields.Header;
2695	*ppbPageData = pPages->ManufacturingPage3.u.abPageData;
2696	*pcbPage = sizeof(pPages->ManufacturingPage3);
2697	break;
2698	case 4:
2699	*ppPageHeader = &pPages->ManufacturingPage4.u.fields.Header;
2700	*ppbPageData = pPages->ManufacturingPage4.u.abPageData;
2701	*pcbPage = sizeof(pPages->ManufacturingPage4);
2702	break;
2703	case 5:
2704	*ppPageHeader = &pPages->ManufacturingPage5.u.fields.Header;
2705	*ppbPageData = pPages->ManufacturingPage5.u.abPageData;
2706	*pcbPage = sizeof(pPages->ManufacturingPage5);
2707	break;
2708	case 6:
2709	*ppPageHeader = &pPages->ManufacturingPage6.u.fields.Header;
2710	*ppbPageData = pPages->ManufacturingPage6.u.abPageData;
2711	*pcbPage = sizeof(pPages->ManufacturingPage6);
2712	break;
2713	case 7:
2714	if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SAS)
2715	{
2716	*ppPageHeader = &pPages->u.SasPages.pManufacturingPage7->u.fields.Header;
2717	*ppbPageData = pPages->u.SasPages.pManufacturingPage7->u.abPageData;
2718	*pcbPage = pPages->u.SasPages.cbManufacturingPage7;
2719	}
2720	else
2721	rc = VERR_NOT_FOUND;
2722	break;
2723	case 8:
2724	*ppPageHeader = &pPages->ManufacturingPage8.u.fields.Header;
2725	*ppbPageData = pPages->ManufacturingPage8.u.abPageData;
2726	*pcbPage = sizeof(pPages->ManufacturingPage8);
2727	break;
2728	case 9:
2729	*ppPageHeader = &pPages->ManufacturingPage9.u.fields.Header;
2730	*ppbPageData = pPages->ManufacturingPage9.u.abPageData;
2731	*pcbPage = sizeof(pPages->ManufacturingPage9);
2732	break;
2733	case 10:
2734	*ppPageHeader = &pPages->ManufacturingPage10.u.fields.Header;
2735	*ppbPageData = pPages->ManufacturingPage10.u.abPageData;
2736	*pcbPage = sizeof(pPages->ManufacturingPage10);
2737	break;
2738	default:
2739	rc = VERR_NOT_FOUND;
2740	}
2741
2742	return rc;
2743	}
2744
2745	/**
2746	* Return the configuration page header and data
2747	* which matches the given page type and number.
2748	*
2749	* @returns VINF_SUCCESS if successful
2750	* VERR_NOT_FOUND if the requested page could be found.
2751	* @param pThis Pointer to the shared LsiLogic device state. data.
2752	* @param pPages The pages supported by the controller.
2753	* @param u8PageNumber Number of the page to get.
2754	* @param ppPageHeader Where to store the pointer to the page header.
2755	* @param ppbPageData Where to store the pointer to the page data.
2756	* @param pcbPage Where to store the size of the page data in bytes on success.
2757	*/
2758	static int lsilogicR3ConfigurationBiosPageGetFromNumber(PLSILOGICSCSI pThis,
2759	PMptConfigurationPagesSupported pPages,
2760	uint8_t u8PageNumber,
2761	PMptConfigurationPageHeader *ppPageHeader,
2762	uint8_t *ppbPageData, size_t pcbPage)
2763	{
2764	RT_NOREF(pThis);
2765	int rc = VINF_SUCCESS;
2766
2767	AssertPtr(ppPageHeader); Assert(ppbPageData);
2768
2769	switch (u8PageNumber)
2770	{
2771	case 1:
2772	*ppPageHeader = &pPages->BIOSPage1.u.fields.Header;
2773	*ppbPageData = pPages->BIOSPage1.u.abPageData;
2774	*pcbPage = sizeof(pPages->BIOSPage1);
2775	break;
2776	case 2:
2777	*ppPageHeader = &pPages->BIOSPage2.u.fields.Header;
2778	*ppbPageData = pPages->BIOSPage2.u.abPageData;
2779	*pcbPage = sizeof(pPages->BIOSPage2);
2780	break;
2781	case 4:
2782	*ppPageHeader = &pPages->BIOSPage4.u.fields.Header;
2783	*ppbPageData = pPages->BIOSPage4.u.abPageData;
2784	*pcbPage = sizeof(pPages->BIOSPage4);
2785	break;
2786	default:
2787	rc = VERR_NOT_FOUND;
2788	}
2789
2790	return rc;
2791	}
2792
2793	/**
2794	* Return the configuration page header and data
2795	* which matches the given page type and number.
2796	*
2797	* @returns VINF_SUCCESS if successful
2798	* VERR_NOT_FOUND if the requested page could be found.
2799	* @param pThis Pointer to the shared LsiLogic device state. data.
2800	* @param pPages The pages supported by the controller.
2801	* @param u8Port The port to retrieve the page for.
2802	* @param u8PageNumber Number of the page to get.
2803	* @param ppPageHeader Where to store the pointer to the page header.
2804	* @param ppbPageData Where to store the pointer to the page data.
2805	* @param pcbPage Where to store the size of the page data in bytes on success.
2806	*/
2807	static int lsilogicR3ConfigurationSCSISPIPortPageGetFromNumber(PLSILOGICSCSI pThis,
2808	PMptConfigurationPagesSupported pPages,
2809	uint8_t u8Port,
2810	uint8_t u8PageNumber,
2811	PMptConfigurationPageHeader *ppPageHeader,
2812	uint8_t *ppbPageData, size_t pcbPage)
2813	{
2814	RT_NOREF(pThis);
2815	int rc = VINF_SUCCESS;
2816	AssertPtr(ppPageHeader); Assert(ppbPageData);
2817
2818
2819	if (u8Port >= RT_ELEMENTS(pPages->u.SpiPages.aPortPages))
2820	return VERR_NOT_FOUND;
2821
2822	switch (u8PageNumber)
2823	{
2824	case 0:
2825	*ppPageHeader = &pPages->u.SpiPages.aPortPages[u8Port].SCSISPIPortPage0.u.fields.Header;
2826	*ppbPageData = pPages->u.SpiPages.aPortPages[u8Port].SCSISPIPortPage0.u.abPageData;
2827	*pcbPage = sizeof(pPages->u.SpiPages.aPortPages[u8Port].SCSISPIPortPage0);
2828	break;
2829	case 1:
2830	*ppPageHeader = &pPages->u.SpiPages.aPortPages[u8Port].SCSISPIPortPage1.u.fields.Header;
2831	*ppbPageData = pPages->u.SpiPages.aPortPages[u8Port].SCSISPIPortPage1.u.abPageData;
2832	*pcbPage = sizeof(pPages->u.SpiPages.aPortPages[u8Port].SCSISPIPortPage1);
2833	break;
2834	case 2:
2835	*ppPageHeader = &pPages->u.SpiPages.aPortPages[u8Port].SCSISPIPortPage2.u.fields.Header;
2836	*ppbPageData = pPages->u.SpiPages.aPortPages[u8Port].SCSISPIPortPage2.u.abPageData;
2837	*pcbPage = sizeof(pPages->u.SpiPages.aPortPages[u8Port].SCSISPIPortPage2);
2838	break;
2839	default:
2840	rc = VERR_NOT_FOUND;
2841	}
2842
2843	return rc;
2844	}
2845
2846	/**
2847	* Return the configuration page header and data
2848	* which matches the given page type and number.
2849	*
2850	* @returns VINF_SUCCESS if successful
2851	* VERR_NOT_FOUND if the requested page could be found.
2852	* @param pThis Pointer to the shared LsiLogic device state. data.
2853	* @param pPages The pages supported by the controller.
2854	* @param u8Bus The bus the device is on the page should be returned.
2855	* @param u8TargetID The target ID of the device to return the page for.
2856	* @param u8PageNumber Number of the page to get.
2857	* @param ppPageHeader Where to store the pointer to the page header.
2858	* @param ppbPageData Where to store the pointer to the page data.
2859	* @param pcbPage Where to store the size of the page data in bytes on success.
2860	*/
2861	static int lsilogicR3ConfigurationSCSISPIDevicePageGetFromNumber(PLSILOGICSCSI pThis,
2862	PMptConfigurationPagesSupported pPages,
2863	uint8_t u8Bus,
2864	uint8_t u8TargetID, uint8_t u8PageNumber,
2865	PMptConfigurationPageHeader *ppPageHeader,
2866	uint8_t *ppbPageData, size_t pcbPage)
2867	{
2868	RT_NOREF(pThis);
2869	int rc = VINF_SUCCESS;
2870	AssertPtr(ppPageHeader); Assert(ppbPageData);
2871
2872	if (u8Bus >= RT_ELEMENTS(pPages->u.SpiPages.aBuses))
2873	return VERR_NOT_FOUND;
2874
2875	if (u8TargetID >= RT_ELEMENTS(pPages->u.SpiPages.aBuses[u8Bus].aDevicePages))
2876	return VERR_NOT_FOUND;
2877
2878	switch (u8PageNumber)
2879	{
2880	case 0:
2881	*ppPageHeader = &pPages->u.SpiPages.aBuses[u8Bus].aDevicePages[u8TargetID].SCSISPIDevicePage0.u.fields.Header;
2882	*ppbPageData = pPages->u.SpiPages.aBuses[u8Bus].aDevicePages[u8TargetID].SCSISPIDevicePage0.u.abPageData;
2883	*pcbPage = sizeof(pPages->u.SpiPages.aBuses[u8Bus].aDevicePages[u8TargetID].SCSISPIDevicePage0);
2884	break;
2885	case 1:
2886	*ppPageHeader = &pPages->u.SpiPages.aBuses[u8Bus].aDevicePages[u8TargetID].SCSISPIDevicePage1.u.fields.Header;
2887	*ppbPageData = pPages->u.SpiPages.aBuses[u8Bus].aDevicePages[u8TargetID].SCSISPIDevicePage1.u.abPageData;
2888	*pcbPage = sizeof(pPages->u.SpiPages.aBuses[u8Bus].aDevicePages[u8TargetID].SCSISPIDevicePage1);
2889	break;
2890	case 2:
2891	*ppPageHeader = &pPages->u.SpiPages.aBuses[u8Bus].aDevicePages[u8TargetID].SCSISPIDevicePage2.u.fields.Header;
2892	*ppbPageData = pPages->u.SpiPages.aBuses[u8Bus].aDevicePages[u8TargetID].SCSISPIDevicePage2.u.abPageData;
2893	*pcbPage = sizeof(pPages->u.SpiPages.aBuses[u8Bus].aDevicePages[u8TargetID].SCSISPIDevicePage2);
2894	break;
2895	case 3:
2896	*ppPageHeader = &pPages->u.SpiPages.aBuses[u8Bus].aDevicePages[u8TargetID].SCSISPIDevicePage3.u.fields.Header;
2897	*ppbPageData = pPages->u.SpiPages.aBuses[u8Bus].aDevicePages[u8TargetID].SCSISPIDevicePage3.u.abPageData;
2898	*pcbPage = sizeof(pPages->u.SpiPages.aBuses[u8Bus].aDevicePages[u8TargetID].SCSISPIDevicePage3);
2899	break;
2900	default:
2901	rc = VERR_NOT_FOUND;
2902	}
2903
2904	return rc;
2905	}
2906
2907	static int lsilogicR3ConfigurationSASIOUnitPageGetFromNumber(PMptConfigurationPagesSupported pPages,
2908	uint8_t u8PageNumber,
2909	PMptExtendedConfigurationPageHeader *ppPageHeader,
2910	uint8_t *ppbPageData, size_t pcbPage)
2911	{
2912	int rc = VINF_SUCCESS;
2913
2914	switch (u8PageNumber)
2915	{
2916	case 0:
2917	*ppPageHeader = &pPages->u.SasPages.pSASIOUnitPage0->u.fields.ExtHeader;
2918	*ppbPageData = pPages->u.SasPages.pSASIOUnitPage0->u.abPageData;
2919	*pcbPage = pPages->u.SasPages.cbSASIOUnitPage0;
2920	break;
2921	case 1:
2922	*ppPageHeader = &pPages->u.SasPages.pSASIOUnitPage1->u.fields.ExtHeader;
2923	*ppbPageData = pPages->u.SasPages.pSASIOUnitPage1->u.abPageData;
2924	*pcbPage = pPages->u.SasPages.cbSASIOUnitPage1;
2925	break;
2926	case 2:
2927	*ppPageHeader = &pPages->u.SasPages.SASIOUnitPage2.u.fields.ExtHeader;
2928	*ppbPageData = pPages->u.SasPages.SASIOUnitPage2.u.abPageData;
2929	*pcbPage = sizeof(pPages->u.SasPages.SASIOUnitPage2);
2930	break;
2931	case 3:
2932	*ppPageHeader = &pPages->u.SasPages.SASIOUnitPage3.u.fields.ExtHeader;
2933	*ppbPageData = pPages->u.SasPages.SASIOUnitPage3.u.abPageData;
2934	*pcbPage = sizeof(pPages->u.SasPages.SASIOUnitPage3);
2935	break;
2936	default:
2937	rc = VERR_NOT_FOUND;
2938	}
2939
2940	return rc;
2941	}
2942
2943	static int lsilogicR3ConfigurationSASPHYPageGetFromNumber(PMptConfigurationPagesSupported pPages,
2944	uint8_t u8PageNumber,
2945	MptConfigurationPageAddress PageAddress,
2946	PMptExtendedConfigurationPageHeader *ppPageHeader,
2947	uint8_t *ppbPageData, size_t pcbPage)
2948	{
2949	int rc = VINF_SUCCESS;
2950	uint8_t uAddressForm = MPT_CONFIGURATION_PAGE_ADDRESS_GET_SAS_FORM(PageAddress);
2951	PMptConfigurationPagesSas pPagesSas = &pPages->u.SasPages;
2952	PMptPHY pPHYPages = NULL;
2953
2954	Log(("Address form %d\n", uAddressForm));
2955
2956	if (uAddressForm == 0) /* PHY number */
2957	{
2958	uint8_t u8PhyNumber = PageAddress.SASPHY.Form0.u8PhyNumber;
2959
2960	Log(("PHY number %d\n", u8PhyNumber));
2961
2962	if (u8PhyNumber >= pPagesSas->cPHYs)
2963	return VERR_NOT_FOUND;
2964
2965	pPHYPages = &pPagesSas->paPHYs[u8PhyNumber];
2966	}
2967	else if (uAddressForm == 1) /* Index form */
2968	{
2969	uint16_t u16Index = PageAddress.SASPHY.Form1.u16Index;
2970
2971	Log(("PHY index %d\n", u16Index));
2972
2973	if (u16Index >= pPagesSas->cPHYs)
2974	return VERR_NOT_FOUND;
2975
2976	pPHYPages = &pPagesSas->paPHYs[u16Index];
2977	}
2978	else
2979	rc = VERR_NOT_FOUND; /* Correct? */
2980
2981	if (pPHYPages)
2982	{
2983	switch (u8PageNumber)
2984	{
2985	case 0:
2986	*ppPageHeader = &pPHYPages->SASPHYPage0.u.fields.ExtHeader;
2987	*ppbPageData = pPHYPages->SASPHYPage0.u.abPageData;
2988	*pcbPage = sizeof(pPHYPages->SASPHYPage0);
2989	break;
2990	case 1:
2991	*ppPageHeader = &pPHYPages->SASPHYPage1.u.fields.ExtHeader;
2992	*ppbPageData = pPHYPages->SASPHYPage1.u.abPageData;
2993	*pcbPage = sizeof(pPHYPages->SASPHYPage1);
2994	break;
2995	default:
2996	rc = VERR_NOT_FOUND;
2997	}
2998	}
2999	else
3000	rc = VERR_NOT_FOUND;
3001
3002	return rc;
3003	}
3004
3005	static int lsilogicR3ConfigurationSASDevicePageGetFromNumber(PMptConfigurationPagesSupported pPages,
3006	uint8_t u8PageNumber,
3007	MptConfigurationPageAddress PageAddress,
3008	PMptExtendedConfigurationPageHeader *ppPageHeader,
3009	uint8_t *ppbPageData, size_t pcbPage)
3010	{
3011	int rc = VINF_SUCCESS;
3012	uint8_t uAddressForm = MPT_CONFIGURATION_PAGE_ADDRESS_GET_SAS_FORM(PageAddress);
3013	PMptConfigurationPagesSas pPagesSas = &pPages->u.SasPages;
3014	PMptSASDevice pSASDevice = NULL;
3015
3016	Log(("Address form %d\n", uAddressForm));
3017
3018	if (uAddressForm == 0)
3019	{
3020	uint16_t u16Handle = PageAddress.SASDevice.Form0And2.u16Handle;
3021
3022	Log(("Get next handle %#x\n", u16Handle));
3023
3024	pSASDevice = pPagesSas->pSASDeviceHead;
3025
3026	/* Get the first device? */
3027	if (u16Handle != 0xffff)
3028	{
3029	/* No, search for the right one. */
3030
3031	while ( pSASDevice
3032	&& pSASDevice->SASDevicePage0.u.fields.u16DevHandle != u16Handle)
3033	pSASDevice = pSASDevice->pNext;
3034
3035	if (pSASDevice)
3036	pSASDevice = pSASDevice->pNext;
3037	}
3038	}
3039	else if (uAddressForm == 1)
3040	{
3041	uint8_t u8TargetID = PageAddress.SASDevice.Form1.u8TargetID;
3042	uint8_t u8Bus = PageAddress.SASDevice.Form1.u8Bus;
3043
3044	Log(("u8TargetID=%d u8Bus=%d\n", u8TargetID, u8Bus));
3045
3046	pSASDevice = pPagesSas->pSASDeviceHead;
3047
3048	while ( pSASDevice
3049	&& ( pSASDevice->SASDevicePage0.u.fields.u8TargetID != u8TargetID
3050	\|\| pSASDevice->SASDevicePage0.u.fields.u8Bus != u8Bus))
3051	pSASDevice = pSASDevice->pNext;
3052	}
3053	else if (uAddressForm == 2)
3054	{
3055	uint16_t u16Handle = PageAddress.SASDevice.Form0And2.u16Handle;
3056
3057	Log(("Handle %#x\n", u16Handle));
3058
3059	pSASDevice = pPagesSas->pSASDeviceHead;
3060
3061	while ( pSASDevice
3062	&& pSASDevice->SASDevicePage0.u.fields.u16DevHandle != u16Handle)
3063	pSASDevice = pSASDevice->pNext;
3064	}
3065
3066	if (pSASDevice)
3067	{
3068	switch (u8PageNumber)
3069	{
3070	case 0:
3071	*ppPageHeader = &pSASDevice->SASDevicePage0.u.fields.ExtHeader;
3072	*ppbPageData = pSASDevice->SASDevicePage0.u.abPageData;
3073	*pcbPage = sizeof(pSASDevice->SASDevicePage0);
3074	break;
3075	case 1:
3076	*ppPageHeader = &pSASDevice->SASDevicePage1.u.fields.ExtHeader;
3077	*ppbPageData = pSASDevice->SASDevicePage1.u.abPageData;
3078	*pcbPage = sizeof(pSASDevice->SASDevicePage1);
3079	break;
3080	case 2:
3081	*ppPageHeader = &pSASDevice->SASDevicePage2.u.fields.ExtHeader;
3082	*ppbPageData = pSASDevice->SASDevicePage2.u.abPageData;
3083	*pcbPage = sizeof(pSASDevice->SASDevicePage2);
3084	break;
3085	default:
3086	rc = VERR_NOT_FOUND;
3087	}
3088	}
3089	else
3090	rc = VERR_NOT_FOUND;
3091
3092	return rc;
3093	}
3094
3095	/**
3096	* Returns the extended configuration page header and data.
3097	* @returns VINF_SUCCESS if successful
3098	* VERR_NOT_FOUND if the requested page could be found.
3099	* @param pThisCC Pointer to the ring-3 LsiLogic device state.
3100	* @param pConfigurationReq The configuration request.
3101	* @param ppPageHeader Where to return the pointer to the page header on success.
3102	* @param ppbPageData Where to store the pointer to the page data.
3103	* @param pcbPage Where to store the size of the page in bytes.
3104	*/
3105	static int lsilogicR3ConfigurationPageGetExtended(PLSILOGICSCSICC pThisCC, PMptConfigurationRequest pConfigurationReq,
3106	PMptExtendedConfigurationPageHeader *ppPageHeader,
3107	uint8_t *ppbPageData, size_t pcbPage)
3108	{
3109	int rc = VINF_SUCCESS;
3110
3111	Log(("Extended page requested:\n"));
3112	Log(("u8ExtPageType=%#x\n", pConfigurationReq->u8ExtPageType));
3113	Log(("u8ExtPageLength=%d\n", pConfigurationReq->u16ExtPageLength));
3114
3115	switch (pConfigurationReq->u8ExtPageType)
3116	{
3117	case MPT_CONFIGURATION_PAGE_TYPE_EXTENDED_SASIOUNIT:
3118	{
3119	rc = lsilogicR3ConfigurationSASIOUnitPageGetFromNumber(pThisCC->pConfigurationPages,
3120	pConfigurationReq->u8PageNumber,
3121	ppPageHeader, ppbPageData, pcbPage);
3122	break;
3123	}
3124	case MPT_CONFIGURATION_PAGE_TYPE_EXTENDED_SASPHYS:
3125	{
3126	rc = lsilogicR3ConfigurationSASPHYPageGetFromNumber(pThisCC->pConfigurationPages,
3127	pConfigurationReq->u8PageNumber,
3128	pConfigurationReq->PageAddress,
3129	ppPageHeader, ppbPageData, pcbPage);
3130	break;
3131	}
3132	case MPT_CONFIGURATION_PAGE_TYPE_EXTENDED_SASDEVICE:
3133	{
3134	rc = lsilogicR3ConfigurationSASDevicePageGetFromNumber(pThisCC->pConfigurationPages,
3135	pConfigurationReq->u8PageNumber,
3136	pConfigurationReq->PageAddress,
3137	ppPageHeader, ppbPageData, pcbPage);
3138	break;
3139	}
3140	case MPT_CONFIGURATION_PAGE_TYPE_EXTENDED_SASEXPANDER: /* No expanders supported */
3141	case MPT_CONFIGURATION_PAGE_TYPE_EXTENDED_ENCLOSURE: /* No enclosures supported */
3142	default:
3143	rc = VERR_NOT_FOUND;
3144	}
3145
3146	return rc;
3147	}
3148
3149	/**
3150	* Processes a Configuration request.
3151	*
3152	* @returns VBox status code.
3153	* @param pDevIns The device instance.
3154	* @param pThis Pointer to the shared LsiLogic device state.
3155	* @param pThisCC Pointer to the ring-3 LsiLogic device state.
3156	* @param pConfigurationReq Pointer to the request structure.
3157	* @param pReply Pointer to the reply message frame
3158	*/
3159	static int lsilogicR3ProcessConfigurationRequest(PPDMDEVINS pDevIns, PLSILOGICSCSI pThis, PLSILOGICSCSICC pThisCC,
3160	PMptConfigurationRequest pConfigurationReq, PMptConfigurationReply pReply)
3161	{
3162	int rc = VINF_SUCCESS;
3163	uint8_t *pbPageData = NULL;
3164	PMptConfigurationPageHeader pPageHeader = NULL;
3165	PMptExtendedConfigurationPageHeader pExtPageHeader = NULL;
3166	uint8_t u8PageType;
3167	uint8_t u8PageAttribute;
3168	size_t cbPage = 0;
3169
3170	LogFlowFunc(("pThis=%#p\n", pThis));
3171
3172	u8PageType = MPT_CONFIGURATION_PAGE_TYPE_GET(pConfigurationReq->u8PageType);
3173	u8PageAttribute = MPT_CONFIGURATION_PAGE_ATTRIBUTE_GET(pConfigurationReq->u8PageType);
3174
3175	Log(("GuestRequest:\n"));
3176	Log(("u8Action=%#x\n", pConfigurationReq->u8Action));
3177	Log(("u8PageType=%#x\n", u8PageType));
3178	Log(("u8PageNumber=%d\n", pConfigurationReq->u8PageNumber));
3179	Log(("u8PageLength=%d\n", pConfigurationReq->u8PageLength));
3180	Log(("u8PageVersion=%d\n", pConfigurationReq->u8PageVersion));
3181
3182	/* Copy common bits from the request into the reply. */
3183	pReply->u8MessageLength = 6; /* 6 32bit D-Words. */
3184	pReply->u8Action = pConfigurationReq->u8Action;
3185	pReply->u8Function = pConfigurationReq->u8Function;
3186	pReply->u32MessageContext = pConfigurationReq->u32MessageContext;
3187
3188	switch (u8PageType)
3189	{
3190	case MPT_CONFIGURATION_PAGE_TYPE_IO_UNIT:
3191	{
3192	/* Get the page data. */
3193	rc = lsilogicR3ConfigurationIOUnitPageGetFromNumber(pThis,
3194	pThisCC->pConfigurationPages,
3195	pConfigurationReq->u8PageNumber,
3196	&pPageHeader, &pbPageData, &cbPage);
3197	break;
3198	}
3199	case MPT_CONFIGURATION_PAGE_TYPE_IOC:
3200	{
3201	/* Get the page data. */
3202	rc = lsilogicR3ConfigurationIOCPageGetFromNumber(pThis,
3203	pThisCC->pConfigurationPages,
3204	pConfigurationReq->u8PageNumber,
3205	&pPageHeader, &pbPageData, &cbPage);
3206	break;
3207	}
3208	case MPT_CONFIGURATION_PAGE_TYPE_MANUFACTURING:
3209	{
3210	/* Get the page data. */
3211	rc = lsilogicR3ConfigurationManufacturingPageGetFromNumber(pThis,
3212	pThisCC->pConfigurationPages,
3213	pConfigurationReq->u8PageNumber,
3214	&pPageHeader, &pbPageData, &cbPage);
3215	break;
3216	}
3217	case MPT_CONFIGURATION_PAGE_TYPE_SCSI_SPI_PORT:
3218	{
3219	/* Get the page data. */
3220	rc = lsilogicR3ConfigurationSCSISPIPortPageGetFromNumber(pThis,
3221	pThisCC->pConfigurationPages,
3222	pConfigurationReq->PageAddress.MPIPortNumber.u8PortNumber,
3223	pConfigurationReq->u8PageNumber,
3224	&pPageHeader, &pbPageData, &cbPage);
3225	break;
3226	}
3227	case MPT_CONFIGURATION_PAGE_TYPE_SCSI_SPI_DEVICE:
3228	{
3229	/* Get the page data. */
3230	rc = lsilogicR3ConfigurationSCSISPIDevicePageGetFromNumber(pThis,
3231	pThisCC->pConfigurationPages,
3232	pConfigurationReq->PageAddress.BusAndTargetId.u8Bus,
3233	pConfigurationReq->PageAddress.BusAndTargetId.u8TargetID,
3234	pConfigurationReq->u8PageNumber,
3235	&pPageHeader, &pbPageData, &cbPage);
3236	break;
3237	}
3238	case MPT_CONFIGURATION_PAGE_TYPE_BIOS:
3239	{
3240	rc = lsilogicR3ConfigurationBiosPageGetFromNumber(pThis,
3241	pThisCC->pConfigurationPages,
3242	pConfigurationReq->u8PageNumber,
3243	&pPageHeader, &pbPageData, &cbPage);
3244	break;
3245	}
3246	case MPT_CONFIGURATION_PAGE_TYPE_EXTENDED:
3247	{
3248	if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SAS)
3249	{
3250	rc = lsilogicR3ConfigurationPageGetExtended(pThisCC,
3251	pConfigurationReq,
3252	&pExtPageHeader, &pbPageData, &cbPage);
3253	}
3254	else
3255	rc = VERR_NOT_FOUND;
3256	break;
3257	}
3258	default:
3259	rc = VERR_NOT_FOUND;
3260	}
3261
3262	if (rc == VERR_NOT_FOUND)
3263	{
3264	Log(("Page not found\n"));
3265	pReply->u8PageType = pConfigurationReq->u8PageType;
3266	pReply->u8PageNumber = pConfigurationReq->u8PageNumber;
3267	pReply->u8PageLength = pConfigurationReq->u8PageLength;
3268	pReply->u8PageVersion = pConfigurationReq->u8PageVersion;
3269	pReply->u16IOCStatus = MPT_IOCSTATUS_CONFIG_INVALID_PAGE;
3270	return VINF_SUCCESS;
3271	}
3272
3273	if (u8PageType == MPT_CONFIGURATION_PAGE_TYPE_EXTENDED)
3274	{
3275	pReply->u8PageType = pExtPageHeader->u8PageType;
3276	pReply->u8PageNumber = pExtPageHeader->u8PageNumber;
3277	pReply->u8PageVersion = pExtPageHeader->u8PageVersion;
3278	pReply->u8ExtPageType = pExtPageHeader->u8ExtPageType;
3279	pReply->u16ExtPageLength = pExtPageHeader->u16ExtPageLength;
3280
3281	for (int i = 0; i < pExtPageHeader->u16ExtPageLength; i++)
3282	LogFlowFunc(("PageData[%d]=%#x\n", i, ((uint32_t *)pbPageData)[i]));
3283	}
3284	else
3285	{
3286	pReply->u8PageType = pPageHeader->u8PageType;
3287	pReply->u8PageNumber = pPageHeader->u8PageNumber;
3288	pReply->u8PageLength = pPageHeader->u8PageLength;
3289	pReply->u8PageVersion = pPageHeader->u8PageVersion;
3290
3291	for (int i = 0; i < pReply->u8PageLength; i++)
3292	LogFlowFunc(("PageData[%d]=%#x\n", i, ((uint32_t *)pbPageData)[i]));
3293	}
3294
3295	/*
3296	* Don't use the scatter gather handling code as the configuration request always have only one
3297	* simple element.
3298	*/
3299	switch (pConfigurationReq->u8Action)
3300	{
3301	case MPT_CONFIGURATION_REQUEST_ACTION_DEFAULT: /* Nothing to do. We are always using the defaults. */
3302	case MPT_CONFIGURATION_REQUEST_ACTION_HEADER:
3303	{
3304	/* Already copied above nothing to do. */
3305	break;
3306	}
3307	case MPT_CONFIGURATION_REQUEST_ACTION_READ_NVRAM:
3308	case MPT_CONFIGURATION_REQUEST_ACTION_READ_CURRENT:
3309	case MPT_CONFIGURATION_REQUEST_ACTION_READ_DEFAULT:
3310	{
3311	uint32_t cbBuffer = pConfigurationReq->SimpleSGElement.u24Length;
3312	if (cbBuffer != 0)
3313	{
3314	RTGCPHYS GCPhysAddrPageBuffer = pConfigurationReq->SimpleSGElement.u32DataBufferAddressLow;
3315	if (pConfigurationReq->SimpleSGElement.f64BitAddress)
3316	GCPhysAddrPageBuffer \|= (uint64_t)pConfigurationReq->SimpleSGElement.u32DataBufferAddressHigh << 32;
3317
3318	PDMDevHlpPCIPhysWriteMeta(pDevIns, GCPhysAddrPageBuffer, pbPageData, RT_MIN(cbBuffer, cbPage));
3319	}
3320	break;
3321	}
3322	case MPT_CONFIGURATION_REQUEST_ACTION_WRITE_CURRENT:
3323	case MPT_CONFIGURATION_REQUEST_ACTION_WRITE_NVRAM:
3324	{
3325	uint32_t cbBuffer = pConfigurationReq->SimpleSGElement.u24Length;
3326	if (cbBuffer != 0)
3327	{
3328	RTGCPHYS GCPhysAddrPageBuffer = pConfigurationReq->SimpleSGElement.u32DataBufferAddressLow;
3329	if (pConfigurationReq->SimpleSGElement.f64BitAddress)
3330	GCPhysAddrPageBuffer \|= (uint64_t)pConfigurationReq->SimpleSGElement.u32DataBufferAddressHigh << 32;
3331
3332	LogFlow(("cbBuffer=%u cbPage=%u\n", cbBuffer, cbPage));
3333
3334	PDMDevHlpPCIPhysReadMeta(pDevIns, GCPhysAddrPageBuffer, pbPageData, RT_MIN(cbBuffer, cbPage));
3335	}
3336	break;
3337	}
3338	default:
3339	AssertMsgFailed(("todo\n"));
3340	}
3341
3342	return VINF_SUCCESS;
3343	}
3344
3345	/**
3346	* Initializes the configuration pages for the SPI SCSI controller.
3347	*
3348	* @returns nothing
3349	* @param pThis Pointer to the shared LsiLogic device state.
3350	* @param pThisCC Pointer to the ring-3 LsiLogic device state.
3351	*/
3352	static void lsilogicR3InitializeConfigurationPagesSpi(PLSILOGICSCSI pThis, PLSILOGICSCSICC pThisCC)
3353	{
3354	PMptConfigurationPagesSpi pPages = &pThisCC->pConfigurationPages->u.SpiPages;
3355
3356	AssertMsg(pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SPI, ("Controller is not the SPI SCSI one\n"));
3357	LogFlowFunc(("pThis=%#p\n", pThis));
3358	RT_NOREF(pThis);
3359
3360	/* Clear everything first. */
3361	memset(pPages, 0, sizeof(MptConfigurationPagesSpi));
3362
3363	for (unsigned i = 0; i < RT_ELEMENTS(pPages->aPortPages); i++)
3364	{
3365	/* SCSI-SPI port page 0. */
3366	pPages->aPortPages[i].SCSISPIPortPage0.u.fields.Header.u8PageType = MPT_CONFIGURATION_PAGE_ATTRIBUTE_READONLY
3367	\| MPT_CONFIGURATION_PAGE_TYPE_SCSI_SPI_PORT;
3368	pPages->aPortPages[i].SCSISPIPortPage0.u.fields.Header.u8PageNumber = 0;
3369	pPages->aPortPages[i].SCSISPIPortPage0.u.fields.Header.u8PageLength = sizeof(MptConfigurationPageSCSISPIPort0) / 4;
3370	pPages->aPortPages[i].SCSISPIPortPage0.u.fields.fInformationUnitTransfersCapable = true;
3371	pPages->aPortPages[i].SCSISPIPortPage0.u.fields.fDTCapable = true;
3372	pPages->aPortPages[i].SCSISPIPortPage0.u.fields.fQASCapable = true;
3373	pPages->aPortPages[i].SCSISPIPortPage0.u.fields.u8MinimumSynchronousTransferPeriod = 0;
3374	pPages->aPortPages[i].SCSISPIPortPage0.u.fields.u8MaximumSynchronousOffset = 0xff;
3375	pPages->aPortPages[i].SCSISPIPortPage0.u.fields.fWide = true;
3376	pPages->aPortPages[i].SCSISPIPortPage0.u.fields.fAIPCapable = true;
3377	pPages->aPortPages[i].SCSISPIPortPage0.u.fields.u2SignalingType = 0x3; /* Single Ended. */
3378
3379	/* SCSI-SPI port page 1. */
3380	pPages->aPortPages[i].SCSISPIPortPage1.u.fields.Header.u8PageType = MPT_CONFIGURATION_PAGE_ATTRIBUTE_CHANGEABLE
3381	\| MPT_CONFIGURATION_PAGE_TYPE_SCSI_SPI_PORT;
3382	pPages->aPortPages[i].SCSISPIPortPage1.u.fields.Header.u8PageNumber = 1;
3383	pPages->aPortPages[i].SCSISPIPortPage1.u.fields.Header.u8PageLength = sizeof(MptConfigurationPageSCSISPIPort1) / 4;
3384	pPages->aPortPages[i].SCSISPIPortPage1.u.fields.u8SCSIID = 7;
3385	pPages->aPortPages[i].SCSISPIPortPage1.u.fields.u16PortResponseIDsBitmask = (1 << 7);
3386	pPages->aPortPages[i].SCSISPIPortPage1.u.fields.u32OnBusTimerValue = 0;
3387
3388	/* SCSI-SPI port page 2. */
3389	pPages->aPortPages[i].SCSISPIPortPage2.u.fields.Header.u8PageType = MPT_CONFIGURATION_PAGE_ATTRIBUTE_CHANGEABLE
3390	\| MPT_CONFIGURATION_PAGE_TYPE_SCSI_SPI_PORT;
3391	pPages->aPortPages[i].SCSISPIPortPage2.u.fields.Header.u8PageNumber = 2;
3392	pPages->aPortPages[i].SCSISPIPortPage2.u.fields.Header.u8PageLength = sizeof(MptConfigurationPageSCSISPIPort2) / 4;
3393	pPages->aPortPages[i].SCSISPIPortPage2.u.fields.u4HostSCSIID = 7;
3394	pPages->aPortPages[i].SCSISPIPortPage2.u.fields.u2InitializeHBA = 0x3;
3395	pPages->aPortPages[i].SCSISPIPortPage2.u.fields.fTerminationDisabled = true;
3396	for (unsigned iDevice = 0; iDevice < RT_ELEMENTS(pPages->aPortPages[i].SCSISPIPortPage2.u.fields.aDeviceSettings); iDevice++)
3397	{
3398	pPages->aPortPages[i].SCSISPIPortPage2.u.fields.aDeviceSettings[iDevice].fBootChoice = true;
3399	}
3400	/* Everything else 0 for now. */
3401	}
3402
3403	for (unsigned uBusCurr = 0; uBusCurr < RT_ELEMENTS(pPages->aBuses); uBusCurr++)
3404	{
3405	for (unsigned uDeviceCurr = 0; uDeviceCurr < RT_ELEMENTS(pPages->aBuses[uBusCurr].aDevicePages); uDeviceCurr++)
3406	{
3407	/* SCSI-SPI device page 0. */
3408	pPages->aBuses[uBusCurr].aDevicePages[uDeviceCurr].SCSISPIDevicePage0.u.fields.Header.u8PageType = MPT_CONFIGURATION_PAGE_ATTRIBUTE_READONLY
3409	\| MPT_CONFIGURATION_PAGE_TYPE_SCSI_SPI_DEVICE;
3410	pPages->aBuses[uBusCurr].aDevicePages[uDeviceCurr].SCSISPIDevicePage0.u.fields.Header.u8PageNumber = 0;
3411	pPages->aBuses[uBusCurr].aDevicePages[uDeviceCurr].SCSISPIDevicePage0.u.fields.Header.u8PageLength = sizeof(MptConfigurationPageSCSISPIDevice0) / 4;
3412	/* Everything else 0 for now. */
3413
3414	/* SCSI-SPI device page 1. */
3415	pPages->aBuses[uBusCurr].aDevicePages[uDeviceCurr].SCSISPIDevicePage1.u.fields.Header.u8PageType = MPT_CONFIGURATION_PAGE_ATTRIBUTE_CHANGEABLE
3416	\| MPT_CONFIGURATION_PAGE_TYPE_SCSI_SPI_DEVICE;
3417	pPages->aBuses[uBusCurr].aDevicePages[uDeviceCurr].SCSISPIDevicePage1.u.fields.Header.u8PageNumber = 1;
3418	pPages->aBuses[uBusCurr].aDevicePages[uDeviceCurr].SCSISPIDevicePage1.u.fields.Header.u8PageLength = sizeof(MptConfigurationPageSCSISPIDevice1) / 4;
3419	/* Everything else 0 for now. */
3420
3421	/* SCSI-SPI device page 2. */
3422	pPages->aBuses[uBusCurr].aDevicePages[uDeviceCurr].SCSISPIDevicePage2.u.fields.Header.u8PageType = MPT_CONFIGURATION_PAGE_ATTRIBUTE_CHANGEABLE
3423	\| MPT_CONFIGURATION_PAGE_TYPE_SCSI_SPI_DEVICE;
3424	pPages->aBuses[uBusCurr].aDevicePages[uDeviceCurr].SCSISPIDevicePage2.u.fields.Header.u8PageNumber = 2;
3425	pPages->aBuses[uBusCurr].aDevicePages[uDeviceCurr].SCSISPIDevicePage2.u.fields.Header.u8PageLength = sizeof(MptConfigurationPageSCSISPIDevice2) / 4;
3426	/* Everything else 0 for now. */
3427
3428	pPages->aBuses[uBusCurr].aDevicePages[uDeviceCurr].SCSISPIDevicePage3.u.fields.Header.u8PageType = MPT_CONFIGURATION_PAGE_ATTRIBUTE_READONLY
3429	\| MPT_CONFIGURATION_PAGE_TYPE_SCSI_SPI_DEVICE;
3430	pPages->aBuses[uBusCurr].aDevicePages[uDeviceCurr].SCSISPIDevicePage3.u.fields.Header.u8PageNumber = 3;
3431	pPages->aBuses[uBusCurr].aDevicePages[uDeviceCurr].SCSISPIDevicePage3.u.fields.Header.u8PageLength = sizeof(MptConfigurationPageSCSISPIDevice3) / 4;
3432	/* Everything else 0 for now. */
3433	}
3434	}
3435	}
3436
3437	/**
3438	* Generates a handle.
3439	*
3440	* @returns the handle.
3441	* @param pThis Pointer to the shared LsiLogic device state.
3442	*/
3443	DECLINLINE(uint16_t) lsilogicGetHandle(PLSILOGICSCSI pThis)
3444	{
3445	uint16_t u16Handle = pThis->u16NextHandle++;
3446	return u16Handle;
3447	}
3448
3449	/**
3450	* Generates a SAS address (WWID)
3451	*
3452	* @returns nothing.
3453	* @param pSASAddress Pointer to an unitialised SAS address.
3454	* @param iId iId which will go into the address.
3455	*
3456	* @todo Generate better SAS addresses. (Request a block from SUN probably)
3457	*/
3458	void lsilogicSASAddressGenerate(PSASADDRESS pSASAddress, unsigned iId)
3459	{
3460	pSASAddress->u8Address[0] = (0x5 << 5);
3461	pSASAddress->u8Address[1] = 0x01;
3462	pSASAddress->u8Address[2] = 0x02;
3463	pSASAddress->u8Address[3] = 0x03;
3464	pSASAddress->u8Address[4] = 0x04;
3465	pSASAddress->u8Address[5] = 0x05;
3466	pSASAddress->u8Address[6] = 0x06;
3467	pSASAddress->u8Address[7] = iId;
3468	}
3469
3470	/**
3471	* Initializes the configuration pages for the SAS SCSI controller.
3472	*
3473	* @returns nothing
3474	* @param pThis Pointer to the shared LsiLogic device state.
3475	* @param pThisCC Pointer to the ring-3 LsiLogic device state.
3476	*/
3477	static void lsilogicR3InitializeConfigurationPagesSas(PLSILOGICSCSI pThis, PLSILOGICSCSICC pThisCC)
3478	{
3479	PMptConfigurationPagesSas pPages = &pThisCC->pConfigurationPages->u.SasPages;
3480
3481	AssertMsg(pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SAS, ("Controller is not the SAS SCSI one\n"));
3482
3483	LogFlowFunc(("pThis=%#p\n", pThis));
3484
3485	/* Manufacturing Page 7 - Connector settings. */
3486	PMptConfigurationPageManufacturing7 pManufacturingPage7 = pPages->pManufacturingPage7;
3487	AssertPtr(pManufacturingPage7);
3488
3489	MPT_CONFIG_PAGE_HEADER_INIT_MANUFACTURING(pManufacturingPage7,
3490	0, 7,
3491	MPT_CONFIGURATION_PAGE_ATTRIBUTE_PERSISTENT_READONLY);
3492	/* Set size manually. */
3493	if (pPages->cbManufacturingPage7 / 4 > 255)
3494	pManufacturingPage7->u.fields.Header.u8PageLength = 255;
3495	else
3496	pManufacturingPage7->u.fields.Header.u8PageLength = pPages->cbManufacturingPage7 / 4;
3497	pManufacturingPage7->u.fields.u8NumPhys = pThis->cPorts;
3498
3499	/* SAS I/O unit page 0 - Port specific information. */
3500	PMptConfigurationPageSASIOUnit0 pSASPage0 = pPages->pSASIOUnitPage0;
3501	AssertPtr(pSASPage0);
3502
3503	MPT_CONFIG_EXTENDED_PAGE_HEADER_INIT(pSASPage0, pPages->cbSASIOUnitPage0,
3504	0, MPT_CONFIGURATION_PAGE_ATTRIBUTE_READONLY,
3505	MPT_CONFIGURATION_PAGE_TYPE_EXTENDED_SASIOUNIT);
3506	pSASPage0->u.fields.u8NumPhys = pThis->cPorts;
3507	pPages->pSASIOUnitPage0 = pSASPage0;
3508
3509	/* SAS I/O unit page 1 - Port specific settings. */
3510	PMptConfigurationPageSASIOUnit1 pSASPage1 = pPages->pSASIOUnitPage1;
3511	AssertPtr(pSASPage1);
3512
3513	MPT_CONFIG_EXTENDED_PAGE_HEADER_INIT(pSASPage1, pPages->cbSASIOUnitPage1,
3514	1, MPT_CONFIGURATION_PAGE_ATTRIBUTE_CHANGEABLE,
3515	MPT_CONFIGURATION_PAGE_TYPE_EXTENDED_SASIOUNIT);
3516	pSASPage1->u.fields.u8NumPhys = pSASPage0->u.fields.u8NumPhys;
3517	pSASPage1->u.fields.u16ControlFlags = 0;
3518	pSASPage1->u.fields.u16AdditionalControlFlags = 0;
3519
3520	/* SAS I/O unit page 2 - Port specific information. */
3521	pPages->SASIOUnitPage2.u.fields.ExtHeader.u8PageType = MPT_CONFIGURATION_PAGE_ATTRIBUTE_READONLY
3522	\| MPT_CONFIGURATION_PAGE_TYPE_EXTENDED;
3523	pPages->SASIOUnitPage2.u.fields.ExtHeader.u8PageNumber = 2;
3524	pPages->SASIOUnitPage2.u.fields.ExtHeader.u8ExtPageType = MPT_CONFIGURATION_PAGE_TYPE_EXTENDED_SASIOUNIT;
3525	pPages->SASIOUnitPage2.u.fields.ExtHeader.u16ExtPageLength = sizeof(MptConfigurationPageSASIOUnit2) / 4;
3526
3527	/* SAS I/O unit page 3 - Port specific information. */
3528	pPages->SASIOUnitPage3.u.fields.ExtHeader.u8PageType = MPT_CONFIGURATION_PAGE_ATTRIBUTE_READONLY
3529	\| MPT_CONFIGURATION_PAGE_TYPE_EXTENDED;
3530	pPages->SASIOUnitPage3.u.fields.ExtHeader.u8PageNumber = 3;
3531	pPages->SASIOUnitPage3.u.fields.ExtHeader.u8ExtPageType = MPT_CONFIGURATION_PAGE_TYPE_EXTENDED_SASIOUNIT;
3532	pPages->SASIOUnitPage3.u.fields.ExtHeader.u16ExtPageLength = sizeof(MptConfigurationPageSASIOUnit3) / 4;
3533
3534	Assert(pPages->cPHYs == pThis->cPorts);
3535	AssertPtr(pPages->paPHYs);
3536
3537	/* Initialize the PHY configuration */
3538	PMptSASDevice pSASDevice = pPages->pSASDeviceHead;
3539	for (unsigned i = 0; i < pThis->cPorts; i++)
3540	{
3541	PMptPHY pPHYPages = &pPages->paPHYs[i];
3542	uint16_t u16ControllerHandle = lsilogicGetHandle(pThis);
3543
3544	pManufacturingPage7->u.fields.aPHY[i].u8Location = LSILOGICSCSI_MANUFACTURING7_LOCATION_AUTO;
3545
3546	pSASPage0->u.fields.aPHY[i].u8Port = i;
3547	pSASPage0->u.fields.aPHY[i].u8PortFlags = 0;
3548	pSASPage0->u.fields.aPHY[i].u8PhyFlags = 0;
3549	pSASPage0->u.fields.aPHY[i].u8NegotiatedLinkRate = LSILOGICSCSI_SASIOUNIT0_NEGOTIATED_RATE_FAILED;
3550	pSASPage0->u.fields.aPHY[i].u32ControllerPhyDeviceInfo = LSILOGICSCSI_SASIOUNIT0_DEVICE_TYPE_SET(LSILOGICSCSI_SASIOUNIT0_DEVICE_TYPE_NO);
3551	pSASPage0->u.fields.aPHY[i].u16ControllerDevHandle = u16ControllerHandle;
3552	pSASPage0->u.fields.aPHY[i].u16AttachedDevHandle = 0; /* No device attached. */
3553	pSASPage0->u.fields.aPHY[i].u32DiscoveryStatus = 0; /* No errors */
3554
3555	pSASPage1->u.fields.aPHY[i].u8Port = i;
3556	pSASPage1->u.fields.aPHY[i].u8PortFlags = 0;
3557	pSASPage1->u.fields.aPHY[i].u8PhyFlags = 0;
3558	pSASPage1->u.fields.aPHY[i].u8MaxMinLinkRate = LSILOGICSCSI_SASIOUNIT1_LINK_RATE_MIN_SET(LSILOGICSCSI_SASIOUNIT1_LINK_RATE_15GB)
3559	\| LSILOGICSCSI_SASIOUNIT1_LINK_RATE_MAX_SET(LSILOGICSCSI_SASIOUNIT1_LINK_RATE_30GB);
3560	pSASPage1->u.fields.aPHY[i].u32ControllerPhyDeviceInfo = LSILOGICSCSI_SASIOUNIT0_DEVICE_TYPE_SET(LSILOGICSCSI_SASIOUNIT0_DEVICE_TYPE_NO);
3561
3562	/* SAS PHY page 0. */
3563	pPHYPages->SASPHYPage0.u.fields.ExtHeader.u8PageType = MPT_CONFIGURATION_PAGE_ATTRIBUTE_READONLY
3564	\| MPT_CONFIGURATION_PAGE_TYPE_EXTENDED;
3565	pPHYPages->SASPHYPage0.u.fields.ExtHeader.u8PageNumber = 0;
3566	pPHYPages->SASPHYPage0.u.fields.ExtHeader.u8ExtPageType = MPT_CONFIGURATION_PAGE_TYPE_EXTENDED_SASPHYS;
3567	pPHYPages->SASPHYPage0.u.fields.ExtHeader.u16ExtPageLength = sizeof(MptConfigurationPageSASPHY0) / 4;
3568	pPHYPages->SASPHYPage0.u.fields.u8AttachedPhyIdentifier = i;
3569	pPHYPages->SASPHYPage0.u.fields.u32AttachedDeviceInfo = LSILOGICSCSI_SASPHY0_DEV_INFO_DEVICE_TYPE_SET(LSILOGICSCSI_SASPHY0_DEV_INFO_DEVICE_TYPE_NO);
3570	pPHYPages->SASPHYPage0.u.fields.u8ProgrammedLinkRate = LSILOGICSCSI_SASIOUNIT1_LINK_RATE_MIN_SET(LSILOGICSCSI_SASIOUNIT1_LINK_RATE_15GB)
3571	\| LSILOGICSCSI_SASIOUNIT1_LINK_RATE_MAX_SET(LSILOGICSCSI_SASIOUNIT1_LINK_RATE_30GB);
3572	pPHYPages->SASPHYPage0.u.fields.u8HwLinkRate = LSILOGICSCSI_SASIOUNIT1_LINK_RATE_MIN_SET(LSILOGICSCSI_SASIOUNIT1_LINK_RATE_15GB)
3573	\| LSILOGICSCSI_SASIOUNIT1_LINK_RATE_MAX_SET(LSILOGICSCSI_SASIOUNIT1_LINK_RATE_30GB);
3574
3575	/* SAS PHY page 1. */
3576	pPHYPages->SASPHYPage1.u.fields.ExtHeader.u8PageType = MPT_CONFIGURATION_PAGE_ATTRIBUTE_READONLY
3577	\| MPT_CONFIGURATION_PAGE_TYPE_EXTENDED;
3578	pPHYPages->SASPHYPage1.u.fields.ExtHeader.u8PageNumber = 1;
3579	pPHYPages->SASPHYPage1.u.fields.ExtHeader.u8ExtPageType = MPT_CONFIGURATION_PAGE_TYPE_EXTENDED_SASPHYS;
3580	pPHYPages->SASPHYPage1.u.fields.ExtHeader.u16ExtPageLength = sizeof(MptConfigurationPageSASPHY1) / 4;
3581
3582	/* Settings for present devices. */
3583	if (pThisCC->paDeviceStates[i].pDrvBase)
3584	{
3585	uint16_t u16DeviceHandle = lsilogicGetHandle(pThis);
3586	SASADDRESS SASAddress;
3587	AssertPtr(pSASDevice);
3588
3589	memset(&SASAddress, 0, sizeof(SASADDRESS));
3590	lsilogicSASAddressGenerate(&SASAddress, i);
3591
3592	pSASPage0->u.fields.aPHY[i].u8NegotiatedLinkRate = LSILOGICSCSI_SASIOUNIT0_NEGOTIATED_RATE_SET(LSILOGICSCSI_SASIOUNIT0_NEGOTIATED_RATE_30GB);
3593	pSASPage0->u.fields.aPHY[i].u32ControllerPhyDeviceInfo = LSILOGICSCSI_SASIOUNIT0_DEVICE_TYPE_SET(LSILOGICSCSI_SASIOUNIT0_DEVICE_TYPE_END)
3594	\| LSILOGICSCSI_SASIOUNIT0_DEVICE_SSP_TARGET;
3595	pSASPage0->u.fields.aPHY[i].u16AttachedDevHandle = u16DeviceHandle;
3596	pSASPage1->u.fields.aPHY[i].u32ControllerPhyDeviceInfo = LSILOGICSCSI_SASIOUNIT0_DEVICE_TYPE_SET(LSILOGICSCSI_SASIOUNIT0_DEVICE_TYPE_END)
3597	\| LSILOGICSCSI_SASIOUNIT0_DEVICE_SSP_TARGET;
3598	pSASPage0->u.fields.aPHY[i].u16ControllerDevHandle = u16DeviceHandle;
3599
3600	pPHYPages->SASPHYPage0.u.fields.u32AttachedDeviceInfo = LSILOGICSCSI_SASPHY0_DEV_INFO_DEVICE_TYPE_SET(LSILOGICSCSI_SASPHY0_DEV_INFO_DEVICE_TYPE_END);
3601	pPHYPages->SASPHYPage0.u.fields.SASAddress = SASAddress;
3602	pPHYPages->SASPHYPage0.u.fields.u16OwnerDevHandle = u16DeviceHandle;
3603	pPHYPages->SASPHYPage0.u.fields.u16AttachedDevHandle = u16DeviceHandle;
3604
3605	/* SAS device page 0. */
3606	pSASDevice->SASDevicePage0.u.fields.ExtHeader.u8PageType = MPT_CONFIGURATION_PAGE_ATTRIBUTE_READONLY
3607	\| MPT_CONFIGURATION_PAGE_TYPE_EXTENDED;
3608	pSASDevice->SASDevicePage0.u.fields.ExtHeader.u8PageNumber = 0;
3609	pSASDevice->SASDevicePage0.u.fields.ExtHeader.u8ExtPageType = MPT_CONFIGURATION_PAGE_TYPE_EXTENDED_SASDEVICE;
3610	pSASDevice->SASDevicePage0.u.fields.ExtHeader.u16ExtPageLength = sizeof(MptConfigurationPageSASDevice0) / 4;
3611	pSASDevice->SASDevicePage0.u.fields.SASAddress = SASAddress;
3612	pSASDevice->SASDevicePage0.u.fields.u16ParentDevHandle = u16ControllerHandle;
3613	pSASDevice->SASDevicePage0.u.fields.u8PhyNum = i;
3614	pSASDevice->SASDevicePage0.u.fields.u8AccessStatus = LSILOGICSCSI_SASDEVICE0_STATUS_NO_ERRORS;
3615	pSASDevice->SASDevicePage0.u.fields.u16DevHandle = u16DeviceHandle;
3616	pSASDevice->SASDevicePage0.u.fields.u8TargetID = i;
3617	pSASDevice->SASDevicePage0.u.fields.u8Bus = 0;
3618	pSASDevice->SASDevicePage0.u.fields.u32DeviceInfo = LSILOGICSCSI_SASPHY0_DEV_INFO_DEVICE_TYPE_SET(LSILOGICSCSI_SASPHY0_DEV_INFO_DEVICE_TYPE_END)
3619	\| LSILOGICSCSI_SASIOUNIT0_DEVICE_SSP_TARGET;
3620	pSASDevice->SASDevicePage0.u.fields.u16Flags = LSILOGICSCSI_SASDEVICE0_FLAGS_DEVICE_PRESENT
3621	\| LSILOGICSCSI_SASDEVICE0_FLAGS_DEVICE_MAPPED_TO_BUS_AND_TARGET_ID
3622	\| LSILOGICSCSI_SASDEVICE0_FLAGS_DEVICE_MAPPING_PERSISTENT;
3623	pSASDevice->SASDevicePage0.u.fields.u8PhysicalPort = i;
3624
3625	/* SAS device page 1. */
3626	pSASDevice->SASDevicePage1.u.fields.ExtHeader.u8PageType = MPT_CONFIGURATION_PAGE_ATTRIBUTE_READONLY
3627	\| MPT_CONFIGURATION_PAGE_TYPE_EXTENDED;
3628	pSASDevice->SASDevicePage1.u.fields.ExtHeader.u8PageNumber = 1;
3629	pSASDevice->SASDevicePage1.u.fields.ExtHeader.u8ExtPageType = MPT_CONFIGURATION_PAGE_TYPE_EXTENDED_SASDEVICE;
3630	pSASDevice->SASDevicePage1.u.fields.ExtHeader.u16ExtPageLength = sizeof(MptConfigurationPageSASDevice1) / 4;
3631	pSASDevice->SASDevicePage1.u.fields.SASAddress = SASAddress;
3632	pSASDevice->SASDevicePage1.u.fields.u16DevHandle = u16DeviceHandle;
3633	pSASDevice->SASDevicePage1.u.fields.u8TargetID = i;
3634	pSASDevice->SASDevicePage1.u.fields.u8Bus = 0;
3635
3636	/* SAS device page 2. */
3637	pSASDevice->SASDevicePage2.u.fields.ExtHeader.u8PageType = MPT_CONFIGURATION_PAGE_ATTRIBUTE_READONLY
3638	\| MPT_CONFIGURATION_PAGE_TYPE_EXTENDED;
3639	pSASDevice->SASDevicePage2.u.fields.ExtHeader.u8PageNumber = 2;
3640	pSASDevice->SASDevicePage2.u.fields.ExtHeader.u8ExtPageType = MPT_CONFIGURATION_PAGE_TYPE_EXTENDED_SASDEVICE;
3641	pSASDevice->SASDevicePage2.u.fields.ExtHeader.u16ExtPageLength = sizeof(MptConfigurationPageSASDevice2) / 4;
3642	pSASDevice->SASDevicePage2.u.fields.SASAddress = SASAddress;
3643
3644	pSASDevice = pSASDevice->pNext;
3645	}
3646	}
3647	}
3648
3649	/**
3650	* Initializes the configuration pages.
3651	*
3652	* @returns nothing
3653	* @param pDevIns The device instance.
3654	* @param pThis Pointer to the shared LsiLogic device state.
3655	* @param pThisCC Pointer to the ring-3 LsiLogic device state.
3656	*/
3657	static void lsilogicR3InitializeConfigurationPages(PPDMDEVINS pDevIns, PLSILOGICSCSI pThis, PLSILOGICSCSICC pThisCC)
3658	{
3659	/* Initialize the common pages. */
3660
3661	LogFlowFunc(("pThis=%#p\n", pThis));
3662
3663	AssertPtrReturnVoid(pThisCC->pConfigurationPages);
3664	PMptConfigurationPagesSupported pPages = pThisCC->pConfigurationPages;
3665
3666	/* Manufacturing Page 0. */
3667	MPT_CONFIG_PAGE_HEADER_INIT_MANUFACTURING(&pPages->ManufacturingPage0,
3668	MptConfigurationPageManufacturing0, 0,
3669	MPT_CONFIGURATION_PAGE_ATTRIBUTE_PERSISTENT_READONLY);
3670	strncpy((char *)pPages->ManufacturingPage0.u.fields.abChipName, "VBox MPT Fusion", 16);
3671	strncpy((char *)pPages->ManufacturingPage0.u.fields.abChipRevision, "1.0", 8);
3672	strncpy((char *)pPages->ManufacturingPage0.u.fields.abBoardName, "VBox MPT Fusion", 16);
3673	strncpy((char *)pPages->ManufacturingPage0.u.fields.abBoardAssembly, "SUN", 8);
3674	memcpy(pPages->ManufacturingPage0.u.fields.abBoardTracerNumber, "CAFECAFECAFECAFE", 16);
3675
3676	/* Manufacturing Page 1 - I don't know what this contains so we leave it 0 for now. */
3677	MPT_CONFIG_PAGE_HEADER_INIT_MANUFACTURING(&pPages->ManufacturingPage1,
3678	MptConfigurationPageManufacturing1, 1,
3679	MPT_CONFIGURATION_PAGE_ATTRIBUTE_PERSISTENT_READONLY);
3680
3681	/* Manufacturing Page 2. */
3682	MPT_CONFIG_PAGE_HEADER_INIT_MANUFACTURING(&pPages->ManufacturingPage2,
3683	MptConfigurationPageManufacturing2, 2,
3684	MPT_CONFIGURATION_PAGE_ATTRIBUTE_PERSISTENT_READONLY);
3685
3686	if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SPI)
3687	{
3688	pPages->ManufacturingPage2.u.fields.u16PCIDeviceID = LSILOGICSCSI_PCI_SPI_DEVICE_ID;
3689	pPages->ManufacturingPage2.u.fields.u8PCIRevisionID = LSILOGICSCSI_PCI_SPI_REVISION_ID;
3690	}
3691	else if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SAS)
3692	{
3693	pPages->ManufacturingPage2.u.fields.u16PCIDeviceID = LSILOGICSCSI_PCI_SAS_DEVICE_ID;
3694	pPages->ManufacturingPage2.u.fields.u8PCIRevisionID = LSILOGICSCSI_PCI_SAS_REVISION_ID;
3695	}
3696
3697	/* Manufacturing Page 3. */
3698	MPT_CONFIG_PAGE_HEADER_INIT_MANUFACTURING(&pPages->ManufacturingPage3,
3699	MptConfigurationPageManufacturing3, 3,
3700	MPT_CONFIGURATION_PAGE_ATTRIBUTE_PERSISTENT_READONLY);
3701
3702	if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SPI)
3703	{
3704	pPages->ManufacturingPage3.u.fields.u16PCIDeviceID = LSILOGICSCSI_PCI_SPI_DEVICE_ID;
3705	pPages->ManufacturingPage3.u.fields.u8PCIRevisionID = LSILOGICSCSI_PCI_SPI_REVISION_ID;
3706	}
3707	else if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SAS)
3708	{
3709	pPages->ManufacturingPage3.u.fields.u16PCIDeviceID = LSILOGICSCSI_PCI_SAS_DEVICE_ID;
3710	pPages->ManufacturingPage3.u.fields.u8PCIRevisionID = LSILOGICSCSI_PCI_SAS_REVISION_ID;
3711	}
3712
3713	/* Manufacturing Page 4 - I don't know what this contains so we leave it 0 for now. */
3714	MPT_CONFIG_PAGE_HEADER_INIT_MANUFACTURING(&pPages->ManufacturingPage4,
3715	MptConfigurationPageManufacturing4, 4,
3716	MPT_CONFIGURATION_PAGE_ATTRIBUTE_PERSISTENT_READONLY);
3717
3718	/* Manufacturing Page 5 - WWID settings. */
3719	MPT_CONFIG_PAGE_HEADER_INIT_MANUFACTURING(&pPages->ManufacturingPage5,
3720	MptConfigurationPageManufacturing5, 5,
3721	MPT_CONFIGURATION_PAGE_ATTRIBUTE_PERSISTENT_READONLY);
3722
3723	/* Manufacturing Page 6 - Product specific settings. */
3724	MPT_CONFIG_PAGE_HEADER_INIT_MANUFACTURING(&pPages->ManufacturingPage6,
3725	MptConfigurationPageManufacturing6, 6,
3726	MPT_CONFIGURATION_PAGE_ATTRIBUTE_CHANGEABLE);
3727
3728	/* Manufacturing Page 8 - Product specific settings. */
3729	MPT_CONFIG_PAGE_HEADER_INIT_MANUFACTURING(&pPages->ManufacturingPage8,
3730	MptConfigurationPageManufacturing8, 8,
3731	MPT_CONFIGURATION_PAGE_ATTRIBUTE_CHANGEABLE);
3732
3733	/* Manufacturing Page 9 - Product specific settings. */
3734	MPT_CONFIG_PAGE_HEADER_INIT_MANUFACTURING(&pPages->ManufacturingPage9,
3735	MptConfigurationPageManufacturing9, 9,
3736	MPT_CONFIGURATION_PAGE_ATTRIBUTE_CHANGEABLE);
3737
3738	/* Manufacturing Page 10 - Product specific settings. */
3739	MPT_CONFIG_PAGE_HEADER_INIT_MANUFACTURING(&pPages->ManufacturingPage10,
3740	MptConfigurationPageManufacturing10, 10,
3741	MPT_CONFIGURATION_PAGE_ATTRIBUTE_CHANGEABLE);
3742
3743	/* I/O Unit page 0. */
3744	MPT_CONFIG_PAGE_HEADER_INIT_IO_UNIT(&pPages->IOUnitPage0,
3745	MptConfigurationPageIOUnit0, 0,
3746	MPT_CONFIGURATION_PAGE_ATTRIBUTE_READONLY);
3747	pPages->IOUnitPage0.u.fields.u64UniqueIdentifier = 0xcafe;
3748
3749	/* I/O Unit page 1. */
3750	MPT_CONFIG_PAGE_HEADER_INIT_IO_UNIT(&pPages->IOUnitPage1,
3751	MptConfigurationPageIOUnit1, 1,
3752	MPT_CONFIGURATION_PAGE_ATTRIBUTE_READONLY);
3753	pPages->IOUnitPage1.u.fields.fSingleFunction = true;
3754	pPages->IOUnitPage1.u.fields.fAllPathsMapped = false;
3755	pPages->IOUnitPage1.u.fields.fIntegratedRAIDDisabled = true;
3756	pPages->IOUnitPage1.u.fields.f32BitAccessForced = false;
3757
3758	/* I/O Unit page 2. */
3759	MPT_CONFIG_PAGE_HEADER_INIT_IO_UNIT(&pPages->IOUnitPage2,
3760	MptConfigurationPageIOUnit2, 2,
3761	MPT_CONFIGURATION_PAGE_ATTRIBUTE_PERSISTENT);
3762	pPages->IOUnitPage2.u.fields.fPauseOnError = false;
3763	pPages->IOUnitPage2.u.fields.fVerboseModeEnabled = false;
3764	pPages->IOUnitPage2.u.fields.fDisableColorVideo = false;
3765	pPages->IOUnitPage2.u.fields.fNotHookInt40h = false;
3766	pPages->IOUnitPage2.u.fields.u32BIOSVersion = 0xcafecafe;
3767	pPages->IOUnitPage2.u.fields.aAdapterOrder[0].fAdapterEnabled = true;
3768	pPages->IOUnitPage2.u.fields.aAdapterOrder[0].fAdapterEmbedded = true;
3769	pPages->IOUnitPage2.u.fields.aAdapterOrder[0].u8PCIBusNumber = 0;
3770	pPages->IOUnitPage2.u.fields.aAdapterOrder[0].u8PCIDevFn = pDevIns->apPciDevs[0]->uDevFn;
3771
3772	/* I/O Unit page 3. */
3773	MPT_CONFIG_PAGE_HEADER_INIT_IO_UNIT(&pPages->IOUnitPage3,
3774	MptConfigurationPageIOUnit3, 3,
3775	MPT_CONFIGURATION_PAGE_ATTRIBUTE_CHANGEABLE);
3776	pPages->IOUnitPage3.u.fields.u8GPIOCount = 0;
3777
3778	/* I/O Unit page 4. */
3779	MPT_CONFIG_PAGE_HEADER_INIT_IO_UNIT(&pPages->IOUnitPage4,
3780	MptConfigurationPageIOUnit4, 4,
3781	MPT_CONFIGURATION_PAGE_ATTRIBUTE_CHANGEABLE);
3782
3783	/* IOC page 0. */
3784	MPT_CONFIG_PAGE_HEADER_INIT_IOC(&pPages->IOCPage0,
3785	MptConfigurationPageIOC0, 0,
3786	MPT_CONFIGURATION_PAGE_ATTRIBUTE_READONLY);
3787	pPages->IOCPage0.u.fields.u32TotalNVStore = 0;
3788	pPages->IOCPage0.u.fields.u32FreeNVStore = 0;
3789
3790	if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SPI)
3791	{
3792	pPages->IOCPage0.u.fields.u16VendorId = LSILOGICSCSI_PCI_VENDOR_ID;
3793	pPages->IOCPage0.u.fields.u16DeviceId = LSILOGICSCSI_PCI_SPI_DEVICE_ID;
3794	pPages->IOCPage0.u.fields.u8RevisionId = LSILOGICSCSI_PCI_SPI_REVISION_ID;
3795	pPages->IOCPage0.u.fields.u32ClassCode = LSILOGICSCSI_PCI_SPI_CLASS_CODE;
3796	pPages->IOCPage0.u.fields.u16SubsystemVendorId = LSILOGICSCSI_PCI_SPI_SUBSYSTEM_VENDOR_ID;
3797	pPages->IOCPage0.u.fields.u16SubsystemId = LSILOGICSCSI_PCI_SPI_SUBSYSTEM_ID;
3798	}
3799	else if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SAS)
3800	{
3801	pPages->IOCPage0.u.fields.u16VendorId = LSILOGICSCSI_PCI_VENDOR_ID;
3802	pPages->IOCPage0.u.fields.u16DeviceId = LSILOGICSCSI_PCI_SAS_DEVICE_ID;
3803	pPages->IOCPage0.u.fields.u8RevisionId = LSILOGICSCSI_PCI_SAS_REVISION_ID;
3804	pPages->IOCPage0.u.fields.u32ClassCode = LSILOGICSCSI_PCI_SAS_CLASS_CODE;
3805	pPages->IOCPage0.u.fields.u16SubsystemVendorId = LSILOGICSCSI_PCI_SAS_SUBSYSTEM_VENDOR_ID;
3806	pPages->IOCPage0.u.fields.u16SubsystemId = LSILOGICSCSI_PCI_SAS_SUBSYSTEM_ID;
3807	}
3808
3809	/* IOC page 1. */
3810	MPT_CONFIG_PAGE_HEADER_INIT_IOC(&pPages->IOCPage1,
3811	MptConfigurationPageIOC1, 1,
3812	MPT_CONFIGURATION_PAGE_ATTRIBUTE_CHANGEABLE);
3813	pPages->IOCPage1.u.fields.fReplyCoalescingEnabled = false;
3814	pPages->IOCPage1.u.fields.u32CoalescingTimeout = 0;
3815	pPages->IOCPage1.u.fields.u8CoalescingDepth = 0;
3816
3817	/* IOC page 2. */
3818	MPT_CONFIG_PAGE_HEADER_INIT_IOC(&pPages->IOCPage2,
3819	MptConfigurationPageIOC2, 2,
3820	MPT_CONFIGURATION_PAGE_ATTRIBUTE_READONLY);
3821	/* Everything else here is 0. */
3822
3823	/* IOC page 3. */
3824	MPT_CONFIG_PAGE_HEADER_INIT_IOC(&pPages->IOCPage3,
3825	MptConfigurationPageIOC3, 3,
3826	MPT_CONFIGURATION_PAGE_ATTRIBUTE_READONLY);
3827	/* Everything else here is 0. */
3828
3829	/* IOC page 4. */
3830	MPT_CONFIG_PAGE_HEADER_INIT_IOC(&pPages->IOCPage4,
3831	MptConfigurationPageIOC4, 4,
3832	MPT_CONFIGURATION_PAGE_ATTRIBUTE_READONLY);
3833	/* Everything else here is 0. */
3834
3835	/* IOC page 6. */
3836	MPT_CONFIG_PAGE_HEADER_INIT_IOC(&pPages->IOCPage6,
3837	MptConfigurationPageIOC6, 6,
3838	MPT_CONFIGURATION_PAGE_ATTRIBUTE_READONLY);
3839	/* Everything else here is 0. */
3840
3841	/* BIOS page 1. */
3842	MPT_CONFIG_PAGE_HEADER_INIT_BIOS(&pPages->BIOSPage1,
3843	MptConfigurationPageBIOS1, 1,
3844	MPT_CONFIGURATION_PAGE_ATTRIBUTE_CHANGEABLE);
3845
3846	/* BIOS page 2. */
3847	MPT_CONFIG_PAGE_HEADER_INIT_BIOS(&pPages->BIOSPage2,
3848	MptConfigurationPageBIOS2, 2,
3849	MPT_CONFIGURATION_PAGE_ATTRIBUTE_CHANGEABLE);
3850
3851	/* BIOS page 4. */
3852	MPT_CONFIG_PAGE_HEADER_INIT_BIOS(&pPages->BIOSPage4,
3853	MptConfigurationPageBIOS4, 4,
3854	MPT_CONFIGURATION_PAGE_ATTRIBUTE_CHANGEABLE);
3855
3856	if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SPI)
3857	lsilogicR3InitializeConfigurationPagesSpi(pThis, pThisCC);
3858	else if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SAS)
3859	lsilogicR3InitializeConfigurationPagesSas(pThis, pThisCC);
3860	else
3861	AssertMsgFailed(("Invalid controller type %d\n", pThis->enmCtrlType));
3862	}
3863
3864	/**
3865	* Sets the emulated controller type from a given string.
3866	*
3867	* @returns VBox status code.
3868	*
3869	* @param pThis Pointer to the shared LsiLogic device state.
3870	* @param pcszCtrlType The string to use.
3871	*/
3872	static int lsilogicR3GetCtrlTypeFromString(PLSILOGICSCSI pThis, const char *pcszCtrlType)
3873	{
3874	int rc = VERR_INVALID_PARAMETER;
3875
3876	if (!RTStrCmp(pcszCtrlType, LSILOGICSCSI_PCI_SPI_CTRLNAME))
3877	{
3878	pThis->enmCtrlType = LSILOGICCTRLTYPE_SCSI_SPI;
3879	rc = VINF_SUCCESS;
3880	}
3881	else if (!RTStrCmp(pcszCtrlType, LSILOGICSCSI_PCI_SAS_CTRLNAME))
3882	{
3883	pThis->enmCtrlType = LSILOGICCTRLTYPE_SCSI_SAS;
3884	rc = VINF_SUCCESS;
3885	}
3886
3887	return rc;
3888	}
3889
3890	/**
3891	* @callback_method_impl{PFNDBGFHANDLERDEV}
3892	*/
3893	static DECLCALLBACK(void) lsilogicR3Info(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
3894	{
3895	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
3896	PLSILOGICSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PLSILOGICSCSICC);
3897
3898	/*
3899	* Parse args.
3900	*/
3901	bool const fVerbose = pszArgs && strstr(pszArgs, "verbose") != NULL;
3902
3903	/*
3904	* Show info.
3905	*/
3906	pHlp->pfnPrintf(pHlp,
3907	"%s#%d: port=%04x mmio=%RGp max-devices=%u GC=%RTbool R0=%RTbool\n",
3908	pDevIns->pReg->szName, pDevIns->iInstance,
3909	PDMDevHlpIoPortGetMappingAddress(pDevIns, pThis->hIoPortsReg),
3910	PDMDevHlpMmioGetMappingAddress(pDevIns, pThis->hMmioReg),
3911	pThis->cDeviceStates, pDevIns->fRCEnabled, pDevIns->fR0Enabled);
3912
3913	/*
3914	* Show general state.
3915	*/
3916	pHlp->pfnPrintf(pHlp, "enmState=%u\n", pThis->enmState);
3917	pHlp->pfnPrintf(pHlp, "enmWhoInit=%u\n", pThis->enmWhoInit);
3918	pHlp->pfnPrintf(pHlp, "enmDoorbellState=%d\n", pThis->enmDoorbellState);
3919	pHlp->pfnPrintf(pHlp, "fDiagnosticEnabled=%RTbool\n", pThis->fDiagnosticEnabled);
3920	pHlp->pfnPrintf(pHlp, "fNotificationSent=%RTbool\n", pThis->fNotificationSent);
3921	pHlp->pfnPrintf(pHlp, "fEventNotificationEnabled=%RTbool\n", pThis->fEventNotificationEnabled);
3922	pHlp->pfnPrintf(pHlp, "uInterruptMask=%#x\n", pThis->uInterruptMask);
3923	pHlp->pfnPrintf(pHlp, "uInterruptStatus=%#x\n", pThis->uInterruptStatus);
3924	pHlp->pfnPrintf(pHlp, "u16IOCFaultCode=%#06x\n", pThis->u16IOCFaultCode);
3925	pHlp->pfnPrintf(pHlp, "u32HostMFAHighAddr=%#x\n", pThis->u32HostMFAHighAddr);
3926	pHlp->pfnPrintf(pHlp, "u32SenseBufferHighAddr=%#x\n", pThis->u32SenseBufferHighAddr);
3927	pHlp->pfnPrintf(pHlp, "cMaxDevices=%u\n", pThis->cMaxDevices);
3928	pHlp->pfnPrintf(pHlp, "cMaxBuses=%u\n", pThis->cMaxBuses);
3929	pHlp->pfnPrintf(pHlp, "cbReplyFrame=%u\n", pThis->cbReplyFrame);
3930	pHlp->pfnPrintf(pHlp, "cReplyQueueEntries=%u\n", pThis->cReplyQueueEntries);
3931	pHlp->pfnPrintf(pHlp, "cRequestQueueEntries=%u\n", pThis->cRequestQueueEntries);
3932	pHlp->pfnPrintf(pHlp, "cPorts=%u\n", pThis->cPorts);
3933
3934	/*
3935	* Show queue status.
3936	*/
3937	pHlp->pfnPrintf(pHlp, "uReplyFreeQueueNextEntryFreeWrite=%u\n", pThis->uReplyFreeQueueNextEntryFreeWrite);
3938	pHlp->pfnPrintf(pHlp, "uReplyFreeQueueNextAddressRead=%u\n", pThis->uReplyFreeQueueNextAddressRead);
3939	pHlp->pfnPrintf(pHlp, "uReplyPostQueueNextEntryFreeWrite=%u\n", pThis->uReplyPostQueueNextEntryFreeWrite);
3940	pHlp->pfnPrintf(pHlp, "uReplyPostQueueNextAddressRead=%u\n", pThis->uReplyPostQueueNextAddressRead);
3941	pHlp->pfnPrintf(pHlp, "uRequestQueueNextEntryFreeWrite=%u\n", pThis->uRequestQueueNextEntryFreeWrite);
3942	pHlp->pfnPrintf(pHlp, "uRequestQueueNextAddressRead=%u\n", pThis->uRequestQueueNextAddressRead);
3943
3944	/*
3945	* Show queue content if verbose
3946	*/
3947	if (fVerbose)
3948	{
3949	for (unsigned i = 0; i < pThis->cReplyQueueEntries; i++)
3950	pHlp->pfnPrintf(pHlp, "RFQ[%u]=%#x\n", i, pThis->aReplyFreeQueue[i]);
3951
3952	pHlp->pfnPrintf(pHlp, "\n");
3953
3954	for (unsigned i = 0; i < pThis->cReplyQueueEntries; i++)
3955	pHlp->pfnPrintf(pHlp, "RPQ[%u]=%#x\n", i, pThis->aReplyPostQueue[i]);
3956
3957	pHlp->pfnPrintf(pHlp, "\n");
3958
3959	for (unsigned i = 0; i < pThis->cRequestQueueEntries; i++)
3960	pHlp->pfnPrintf(pHlp, "ReqQ[%u]=%#x\n", i, pThis->aRequestQueue[i]);
3961	}
3962
3963	/*
3964	* Print the device status.
3965	*/
3966	for (unsigned i = 0; i < pThis->cDeviceStates; i++)
3967	{
3968	PLSILOGICDEVICE pDevice = &pThisCC->paDeviceStates[i];
3969
3970	pHlp->pfnPrintf(pHlp, "\n");
3971
3972	pHlp->pfnPrintf(pHlp, "Device[%u]: device-attached=%RTbool cOutstandingRequests=%u\n",
3973	i, pDevice->pDrvBase != NULL, pDevice->cOutstandingRequests);
3974	}
3975	}
3976
3977
3978	/**
3979	* @callback_method_impl{FNPDMTHREADDEV}
3980	*/
3981	static DECLCALLBACK(int) lsilogicR3Worker(PPDMDEVINS pDevIns, PPDMTHREAD pThread)
3982	{
3983	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
3984	PLSILOGICSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PLSILOGICSCSICC);
3985	int rc = VINF_SUCCESS;
3986
3987	if (pThread->enmState == PDMTHREADSTATE_INITIALIZING)
3988	return VINF_SUCCESS;
3989
3990	while (pThread->enmState == PDMTHREADSTATE_RUNNING)
3991	{
3992	ASMAtomicWriteBool(&pThis->fWrkThreadSleeping, true);
3993	bool fNotificationSent = ASMAtomicXchgBool(&pThis->fNotificationSent, false);
3994	if (!fNotificationSent)
3995	{
3996	Assert(ASMAtomicReadBool(&pThis->fWrkThreadSleeping));
3997	rc = PDMDevHlpSUPSemEventWaitNoResume(pDevIns, pThis->hEvtProcess, RT_INDEFINITE_WAIT);
3998	AssertLogRelMsgReturn(RT_SUCCESS(rc) \|\| rc == VERR_INTERRUPTED, ("%Rrc\n", rc), rc);
3999	if (RT_UNLIKELY(pThread->enmState != PDMTHREADSTATE_RUNNING))
4000	break;
4001	LogFlowFunc(("Woken up with rc=%Rrc\n", rc));
4002	ASMAtomicWriteBool(&pThis->fNotificationSent, false);
4003	}
4004
4005	ASMAtomicWriteBool(&pThis->fWrkThreadSleeping, false);
4006
4007	/* Only process request which arrived before we received the notification. */
4008	uint32_t uRequestQueueNextEntryWrite = ASMAtomicReadU32(&pThis->uRequestQueueNextEntryFreeWrite);
4009
4010	/* Go through the messages now and process them. */
4011	while ( RT_LIKELY(pThis->enmState == LSILOGICSTATE_OPERATIONAL)
4012	&& (pThis->uRequestQueueNextAddressRead != uRequestQueueNextEntryWrite))
4013	{
4014	MptRequestUnion GuestRequest;
4015	uint32_t u32RequestMessageFrameDesc = pThis->aRequestQueue[pThis->uRequestQueueNextAddressRead];
4016	RTGCPHYS GCPhysMessageFrameAddr = LSILOGIC_RTGCPHYS_FROM_U32(pThis->u32HostMFAHighAddr,
4017	(u32RequestMessageFrameDesc & ~0x07));
4018
4019	/* Read the message header from the guest first. */
4020	PDMDevHlpPCIPhysReadMeta(pDevIns, GCPhysMessageFrameAddr, &GuestRequest, sizeof(MptMessageHdr));
4021
4022	/* Determine the size of the request. */
4023	uint32_t cbRequest = 0;
4024	switch (GuestRequest.Header.u8Function)
4025	{
4026	case MPT_MESSAGE_HDR_FUNCTION_SCSI_IO_REQUEST:
4027	cbRequest = sizeof(MptSCSIIORequest);
4028	break;
4029	case MPT_MESSAGE_HDR_FUNCTION_SCSI_TASK_MGMT:
4030	cbRequest = sizeof(MptSCSITaskManagementRequest);
4031	break;
4032	case MPT_MESSAGE_HDR_FUNCTION_IOC_INIT:
4033	cbRequest = sizeof(MptIOCInitRequest);
4034	break;
4035	case MPT_MESSAGE_HDR_FUNCTION_IOC_FACTS:
4036	cbRequest = sizeof(MptIOCFactsRequest);
4037	break;
4038	case MPT_MESSAGE_HDR_FUNCTION_CONFIG:
4039	cbRequest = sizeof(MptConfigurationRequest);
4040	break;
4041	case MPT_MESSAGE_HDR_FUNCTION_PORT_FACTS:
4042	cbRequest = sizeof(MptPortFactsRequest);
4043	break;
4044	case MPT_MESSAGE_HDR_FUNCTION_PORT_ENABLE:
4045	cbRequest = sizeof(MptPortEnableRequest);
4046	break;
4047	case MPT_MESSAGE_HDR_FUNCTION_EVENT_NOTIFICATION:
4048	cbRequest = sizeof(MptEventNotificationRequest);
4049	break;
4050	case MPT_MESSAGE_HDR_FUNCTION_EVENT_ACK:
4051	AssertMsgFailed(("todo\n"));
4052	//cbRequest = sizeof(MptEventAckRequest);
4053	break;
4054	case MPT_MESSAGE_HDR_FUNCTION_FW_DOWNLOAD:
4055	cbRequest = sizeof(MptFWDownloadRequest);
4056	break;
4057	case MPT_MESSAGE_HDR_FUNCTION_FW_UPLOAD:
4058	cbRequest = sizeof(MptFWUploadRequest);
4059	break;
4060	default:
4061	AssertMsgFailed(("Unknown function issued %u\n", GuestRequest.Header.u8Function));
4062	lsilogicSetIOCFaultCode(pThis, LSILOGIC_IOCSTATUS_INVALID_FUNCTION);
4063	}
4064
4065	if (cbRequest != 0)
4066	{
4067	/* Read the complete message frame from guest memory now. */
4068	PDMDevHlpPCIPhysReadMeta(pDevIns, GCPhysMessageFrameAddr, &GuestRequest, cbRequest);
4069
4070	/* Handle SCSI I/O requests now. */
4071	if (GuestRequest.Header.u8Function == MPT_MESSAGE_HDR_FUNCTION_SCSI_IO_REQUEST)
4072	{
4073	rc = lsilogicR3ProcessSCSIIORequest(pDevIns, pThis, pThisCC, GCPhysMessageFrameAddr, &GuestRequest);
4074	AssertRC(rc);
4075	}
4076	else
4077	{
4078	MptReplyUnion Reply;
4079	rc = lsilogicR3ProcessMessageRequest(pDevIns, pThis, pThisCC, &GuestRequest.Header, &Reply);
4080	AssertRC(rc);
4081	}
4082
4083	pThis->uRequestQueueNextAddressRead++;
4084	pThis->uRequestQueueNextAddressRead %= pThis->cRequestQueueEntries;
4085	}
4086	} /* While request frames available. */
4087	} /* While running */
4088
4089	return VINF_SUCCESS;
4090	}
4091
4092
4093	/**
4094	* @callback_method_impl{FNPDMTHREADWAKEUPDEV}
4095	*/
4096	static DECLCALLBACK(int) lsilogicR3WorkerWakeUp(PPDMDEVINS pDevIns, PPDMTHREAD pThread)
4097	{
4098	RT_NOREF(pThread);
4099	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
4100	return PDMDevHlpSUPSemEventSignal(pDevIns, pThis->hEvtProcess);
4101	}
4102
4103
4104	/**
4105	* Kicks the controller to process pending tasks after the VM was resumed
4106	* or loaded from a saved state.
4107	*
4108	* @returns nothing.
4109	* @param pDevIns The device instance.
4110	* @param pThis Pointer to the shared LsiLogic device state.
4111	*/
4112	static void lsilogicR3Kick(PPDMDEVINS pDevIns, PLSILOGICSCSI pThis)
4113	{
4114	if (pThis->fNotificationSent)
4115	{
4116	/* Notify the worker thread that there are pending requests. */
4117	LogFlowFunc(("Signal event semaphore\n"));
4118	int rc = PDMDevHlpSUPSemEventSignal(pDevIns, pThis->hEvtProcess);
4119	AssertRC(rc);
4120	}
4121	}
4122
4123
4124	/*
4125	* Saved state.
4126	*/
4127
4128	/**
4129	* @callback_method_impl{FNSSMDEVLIVEEXEC}
4130	*/
4131	static DECLCALLBACK(int) lsilogicR3LiveExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uPass)
4132	{
4133	RT_NOREF(uPass);
4134	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
4135	PLSILOGICSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PLSILOGICSCSICC);
4136	PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
4137
4138	pHlp->pfnSSMPutU32(pSSM, pThis->enmCtrlType);
4139	pHlp->pfnSSMPutU32(pSSM, pThis->cDeviceStates);
4140	pHlp->pfnSSMPutU32(pSSM, pThis->cPorts);
4141
4142	/* Save the device config. */
4143	for (unsigned i = 0; i < pThis->cDeviceStates; i++)
4144	pHlp->pfnSSMPutBool(pSSM, pThisCC->paDeviceStates[i].pDrvBase != NULL);
4145
4146	return VINF_SSM_DONT_CALL_AGAIN;
4147	}
4148
4149	/**
4150	* @callback_method_impl{FNSSMDEVSAVEEXEC}
4151	*/
4152	static DECLCALLBACK(int) lsilogicR3SaveExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
4153	{
4154	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
4155	PLSILOGICSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PLSILOGICSCSICC);
4156	PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
4157
4158	/* Every device first. */
4159	lsilogicR3LiveExec(pDevIns, pSSM, SSM_PASS_FINAL);
4160	for (unsigned i = 0; i < pThis->cDeviceStates; i++)
4161	{
4162	PLSILOGICDEVICE pDevice = &pThisCC->paDeviceStates[i];
4163
4164	AssertMsg(!pDevice->cOutstandingRequests,
4165	("There are still outstanding requests on this device\n"));
4166	pHlp->pfnSSMPutU32(pSSM, pDevice->cOutstandingRequests);
4167
4168	/* Query all suspended requests and store them in the request queue. */
4169	if (pDevice->pDrvMediaEx)
4170	{
4171	uint32_t cReqsRedo = pDevice->pDrvMediaEx->pfnIoReqGetSuspendedCount(pDevice->pDrvMediaEx);
4172	if (cReqsRedo)
4173	{
4174	PDMMEDIAEXIOREQ hIoReq;
4175	PLSILOGICREQ pReq;
4176	int rc = pDevice->pDrvMediaEx->pfnIoReqQuerySuspendedStart(pDevice->pDrvMediaEx, &hIoReq,
4177	(void **)&pReq);
4178	AssertRCBreak(rc);
4179
4180	for (;;)
4181	{
4182	/* Write only the lower 32bit part of the address. */
4183	ASMAtomicWriteU32(&pThis->aRequestQueue[pThis->uRequestQueueNextEntryFreeWrite],
4184	pReq->GCPhysMessageFrameAddr & UINT32_C(0xffffffff));
4185
4186	pThis->uRequestQueueNextEntryFreeWrite++;
4187	pThis->uRequestQueueNextEntryFreeWrite %= pThis->cRequestQueueEntries;
4188
4189	cReqsRedo--;
4190	if (!cReqsRedo)
4191	break;
4192
4193	rc = pDevice->pDrvMediaEx->pfnIoReqQuerySuspendedNext(pDevice->pDrvMediaEx, hIoReq,
4194	&hIoReq, (void **)&pReq);
4195	AssertRCBreak(rc);
4196	}
4197	}
4198	}
4199	}
4200
4201	/* Now the main device state. */
4202	pHlp->pfnSSMPutU32(pSSM, pThis->enmState);
4203	pHlp->pfnSSMPutU32(pSSM, pThis->enmWhoInit);
4204	pHlp->pfnSSMPutU32(pSSM, pThis->enmDoorbellState);
4205	pHlp->pfnSSMPutBool(pSSM, pThis->fDiagnosticEnabled);
4206	pHlp->pfnSSMPutBool(pSSM, pThis->fNotificationSent);
4207	pHlp->pfnSSMPutBool(pSSM, pThis->fEventNotificationEnabled);
4208	pHlp->pfnSSMPutU32(pSSM, pThis->uInterruptMask);
4209	pHlp->pfnSSMPutU32(pSSM, pThis->uInterruptStatus);
4210	for (unsigned i = 0; i < RT_ELEMENTS(pThis->aMessage); i++)
4211	pHlp->pfnSSMPutU32(pSSM, pThis->aMessage[i]);
4212	pHlp->pfnSSMPutU32(pSSM, pThis->iMessage);
4213	pHlp->pfnSSMPutU32(pSSM, pThis->cMessage);
4214	pHlp->pfnSSMPutMem(pSSM, &pThis->ReplyBuffer, sizeof(pThis->ReplyBuffer));
4215	pHlp->pfnSSMPutU32(pSSM, pThis->uNextReplyEntryRead);
4216	pHlp->pfnSSMPutU32(pSSM, pThis->cReplySize);
4217	pHlp->pfnSSMPutU16(pSSM, pThis->u16IOCFaultCode);
4218	pHlp->pfnSSMPutU32(pSSM, pThis->u32HostMFAHighAddr);
4219	pHlp->pfnSSMPutU32(pSSM, pThis->u32SenseBufferHighAddr);
4220	pHlp->pfnSSMPutU8(pSSM, pThis->cMaxDevices);
4221	pHlp->pfnSSMPutU8(pSSM, pThis->cMaxBuses);
4222	pHlp->pfnSSMPutU16(pSSM, pThis->cbReplyFrame);
4223	pHlp->pfnSSMPutU32(pSSM, pThis->iDiagnosticAccess);
4224	pHlp->pfnSSMPutU32(pSSM, pThis->cReplyQueueEntries);
4225	pHlp->pfnSSMPutU32(pSSM, pThis->cRequestQueueEntries);
4226	pHlp->pfnSSMPutU32(pSSM, pThis->uReplyFreeQueueNextEntryFreeWrite);
4227	pHlp->pfnSSMPutU32(pSSM, pThis->uReplyFreeQueueNextAddressRead);
4228	pHlp->pfnSSMPutU32(pSSM, pThis->uReplyPostQueueNextEntryFreeWrite);
4229	pHlp->pfnSSMPutU32(pSSM, pThis->uReplyPostQueueNextAddressRead);
4230	pHlp->pfnSSMPutU32(pSSM, pThis->uRequestQueueNextEntryFreeWrite);
4231	pHlp->pfnSSMPutU32(pSSM, pThis->uRequestQueueNextAddressRead);
4232
4233	for (unsigned i = 0; i < pThis->cReplyQueueEntries; i++)
4234	pHlp->pfnSSMPutU32(pSSM, pThis->aReplyFreeQueue[i]);
4235	for (unsigned i = 0; i < pThis->cReplyQueueEntries; i++)
4236	pHlp->pfnSSMPutU32(pSSM, pThis->aReplyPostQueue[i]);
4237	for (unsigned i = 0; i < pThis->cRequestQueueEntries; i++)
4238	pHlp->pfnSSMPutU32(pSSM, pThis->aRequestQueue[i]);
4239
4240	pHlp->pfnSSMPutU16(pSSM, pThis->u16NextHandle);
4241
4242	/* Save diagnostic memory register and data regions. */
4243	pHlp->pfnSSMPutU32(pSSM, pThis->u32DiagMemAddr);
4244	pHlp->pfnSSMPutU32(pSSM, lsilogicR3MemRegionsCount(pThisCC));
4245
4246	PLSILOGICMEMREGN pIt;
4247	RTListForEach(&pThisCC->ListMemRegns, pIt, LSILOGICMEMREGN, NodeList)
4248	{
4249	pHlp->pfnSSMPutU32(pSSM, pIt->u32AddrStart);
4250	pHlp->pfnSSMPutU32(pSSM, pIt->u32AddrEnd);
4251	pHlp->pfnSSMPutMem(pSSM, &pIt->au32Data[0], (pIt->u32AddrEnd - pIt->u32AddrStart + 1) * sizeof(uint32_t));
4252	}
4253
4254	PMptConfigurationPagesSupported pPages = pThisCC->pConfigurationPages;
4255
4256	pHlp->pfnSSMPutMem(pSSM, &pPages->ManufacturingPage0, sizeof(MptConfigurationPageManufacturing0));
4257	pHlp->pfnSSMPutMem(pSSM, &pPages->ManufacturingPage1, sizeof(MptConfigurationPageManufacturing1));
4258	pHlp->pfnSSMPutMem(pSSM, &pPages->ManufacturingPage2, sizeof(MptConfigurationPageManufacturing2));
4259	pHlp->pfnSSMPutMem(pSSM, &pPages->ManufacturingPage3, sizeof(MptConfigurationPageManufacturing3));
4260	pHlp->pfnSSMPutMem(pSSM, &pPages->ManufacturingPage4, sizeof(MptConfigurationPageManufacturing4));
4261	pHlp->pfnSSMPutMem(pSSM, &pPages->ManufacturingPage5, sizeof(MptConfigurationPageManufacturing5));
4262	pHlp->pfnSSMPutMem(pSSM, &pPages->ManufacturingPage6, sizeof(MptConfigurationPageManufacturing6));
4263	pHlp->pfnSSMPutMem(pSSM, &pPages->ManufacturingPage8, sizeof(MptConfigurationPageManufacturing8));
4264	pHlp->pfnSSMPutMem(pSSM, &pPages->ManufacturingPage9, sizeof(MptConfigurationPageManufacturing9));
4265	pHlp->pfnSSMPutMem(pSSM, &pPages->ManufacturingPage10, sizeof(MptConfigurationPageManufacturing10));
4266	pHlp->pfnSSMPutMem(pSSM, &pPages->IOUnitPage0, sizeof(MptConfigurationPageIOUnit0));
4267	pHlp->pfnSSMPutMem(pSSM, &pPages->IOUnitPage1, sizeof(MptConfigurationPageIOUnit1));
4268	pHlp->pfnSSMPutMem(pSSM, &pPages->IOUnitPage2, sizeof(MptConfigurationPageIOUnit2));
4269	pHlp->pfnSSMPutMem(pSSM, &pPages->IOUnitPage3, sizeof(MptConfigurationPageIOUnit3));
4270	pHlp->pfnSSMPutMem(pSSM, &pPages->IOUnitPage4, sizeof(MptConfigurationPageIOUnit4));
4271	pHlp->pfnSSMPutMem(pSSM, &pPages->IOCPage0, sizeof(MptConfigurationPageIOC0));
4272	pHlp->pfnSSMPutMem(pSSM, &pPages->IOCPage1, sizeof(MptConfigurationPageIOC1));
4273	pHlp->pfnSSMPutMem(pSSM, &pPages->IOCPage2, sizeof(MptConfigurationPageIOC2));
4274	pHlp->pfnSSMPutMem(pSSM, &pPages->IOCPage3, sizeof(MptConfigurationPageIOC3));
4275	pHlp->pfnSSMPutMem(pSSM, &pPages->IOCPage4, sizeof(MptConfigurationPageIOC4));
4276	pHlp->pfnSSMPutMem(pSSM, &pPages->IOCPage6, sizeof(MptConfigurationPageIOC6));
4277	pHlp->pfnSSMPutMem(pSSM, &pPages->BIOSPage1, sizeof(MptConfigurationPageBIOS1));
4278	pHlp->pfnSSMPutMem(pSSM, &pPages->BIOSPage2, sizeof(MptConfigurationPageBIOS2));
4279	pHlp->pfnSSMPutMem(pSSM, &pPages->BIOSPage4, sizeof(MptConfigurationPageBIOS4));
4280
4281	/* Device dependent pages */
4282	if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SPI)
4283	{
4284	PMptConfigurationPagesSpi pSpiPages = &pPages->u.SpiPages;
4285
4286	pHlp->pfnSSMPutMem(pSSM, &pSpiPages->aPortPages[0].SCSISPIPortPage0, sizeof(MptConfigurationPageSCSISPIPort0));
4287	pHlp->pfnSSMPutMem(pSSM, &pSpiPages->aPortPages[0].SCSISPIPortPage1, sizeof(MptConfigurationPageSCSISPIPort1));
4288	pHlp->pfnSSMPutMem(pSSM, &pSpiPages->aPortPages[0].SCSISPIPortPage2, sizeof(MptConfigurationPageSCSISPIPort2));
4289
4290	for (unsigned i = 0; i < RT_ELEMENTS(pSpiPages->aBuses[0].aDevicePages); i++)
4291	{
4292	pHlp->pfnSSMPutMem(pSSM, &pSpiPages->aBuses[0].aDevicePages[i].SCSISPIDevicePage0, sizeof(MptConfigurationPageSCSISPIDevice0));
4293	pHlp->pfnSSMPutMem(pSSM, &pSpiPages->aBuses[0].aDevicePages[i].SCSISPIDevicePage1, sizeof(MptConfigurationPageSCSISPIDevice1));
4294	pHlp->pfnSSMPutMem(pSSM, &pSpiPages->aBuses[0].aDevicePages[i].SCSISPIDevicePage2, sizeof(MptConfigurationPageSCSISPIDevice2));
4295	pHlp->pfnSSMPutMem(pSSM, &pSpiPages->aBuses[0].aDevicePages[i].SCSISPIDevicePage3, sizeof(MptConfigurationPageSCSISPIDevice3));
4296	}
4297	}
4298	else if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SAS)
4299	{
4300	PMptConfigurationPagesSas pSasPages = &pPages->u.SasPages;
4301
4302	pHlp->pfnSSMPutU32(pSSM, pSasPages->cbManufacturingPage7);
4303	pHlp->pfnSSMPutU32(pSSM, pSasPages->cbSASIOUnitPage0);
4304	pHlp->pfnSSMPutU32(pSSM, pSasPages->cbSASIOUnitPage1);
4305
4306	pHlp->pfnSSMPutMem(pSSM, pSasPages->pManufacturingPage7, pSasPages->cbManufacturingPage7);
4307	pHlp->pfnSSMPutMem(pSSM, pSasPages->pSASIOUnitPage0, pSasPages->cbSASIOUnitPage0);
4308	pHlp->pfnSSMPutMem(pSSM, pSasPages->pSASIOUnitPage1, pSasPages->cbSASIOUnitPage1);
4309
4310	pHlp->pfnSSMPutMem(pSSM, &pSasPages->SASIOUnitPage2, sizeof(MptConfigurationPageSASIOUnit2));
4311	pHlp->pfnSSMPutMem(pSSM, &pSasPages->SASIOUnitPage3, sizeof(MptConfigurationPageSASIOUnit3));
4312
4313	pHlp->pfnSSMPutU32(pSSM, pSasPages->cPHYs);
4314	for (unsigned i = 0; i < pSasPages->cPHYs; i++)
4315	{
4316	pHlp->pfnSSMPutMem(pSSM, &pSasPages->paPHYs[i].SASPHYPage0, sizeof(MptConfigurationPageSASPHY0));
4317	pHlp->pfnSSMPutMem(pSSM, &pSasPages->paPHYs[i].SASPHYPage1, sizeof(MptConfigurationPageSASPHY1));
4318	}
4319
4320	/* The number of devices first. */
4321	pHlp->pfnSSMPutU32(pSSM, pSasPages->cDevices);
4322
4323	for (PMptSASDevice pCurr = pSasPages->pSASDeviceHead; pCurr; pCurr = pCurr->pNext)
4324	{
4325	pHlp->pfnSSMPutMem(pSSM, &pCurr->SASDevicePage0, sizeof(MptConfigurationPageSASDevice0));
4326	pHlp->pfnSSMPutMem(pSSM, &pCurr->SASDevicePage1, sizeof(MptConfigurationPageSASDevice1));
4327	pHlp->pfnSSMPutMem(pSSM, &pCurr->SASDevicePage2, sizeof(MptConfigurationPageSASDevice2));
4328	}
4329	}
4330	else
4331	AssertMsgFailed(("Invalid controller type %d\n", pThis->enmCtrlType));
4332
4333	return pHlp->pfnSSMPutU32(pSSM, UINT32_MAX);
4334	}
4335
4336	/**
4337	* @callback_method_impl{FNSSMDEVLOADDONE}
4338	*/
4339	static DECLCALLBACK(int) lsilogicR3LoadDone(PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
4340	{
4341	RT_NOREF(pSSM);
4342	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
4343
4344	lsilogicR3Kick(pDevIns, pThis);
4345	return VINF_SUCCESS;
4346	}
4347
4348	/**
4349	* @callback_method_impl{FNSSMDEVLOADEXEC}
4350	*/
4351	static DECLCALLBACK(int) lsilogicR3LoadExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass)
4352	{
4353	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
4354	PLSILOGICSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PLSILOGICSCSICC);
4355	PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
4356	int rc;
4357
4358	if ( uVersion > LSILOGIC_SAVED_STATE_VERSION
4359	\|\| uVersion < LSILOGIC_SAVED_STATE_VERSION_VBOX_30)
4360	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
4361
4362	/* device config */
4363	if (uVersion > LSILOGIC_SAVED_STATE_VERSION_PRE_SAS)
4364	{
4365	LSILOGICCTRLTYPE enmCtrlType;
4366	uint32_t cDeviceStates, cPorts;
4367
4368	PDMDEVHLP_SSM_GET_ENUM32_RET(pHlp, pSSM, enmCtrlType, LSILOGICCTRLTYPE);
4369	pHlp->pfnSSMGetU32(pSSM, &cDeviceStates);
4370	rc = pHlp->pfnSSMGetU32(pSSM, &cPorts);
4371	AssertRCReturn(rc, rc);
4372
4373	if (enmCtrlType != pThis->enmCtrlType)
4374	return pHlp->pfnSSMSetCfgError(pSSM, RT_SRC_POS, N_("Target config mismatch (Controller type): config=%d state=%d"),
4375	pThis->enmCtrlType, enmCtrlType);
4376	if (cDeviceStates != pThis->cDeviceStates)
4377	return pHlp->pfnSSMSetCfgError(pSSM, RT_SRC_POS, N_("Target config mismatch (Device states): config=%u state=%u"),
4378	pThis->cDeviceStates, cDeviceStates);
4379	if (cPorts != pThis->cPorts)
4380	return pHlp->pfnSSMSetCfgError(pSSM, RT_SRC_POS, N_("Target config mismatch (Ports): config=%u state=%u"),
4381	pThis->cPorts, cPorts);
4382	}
4383	if (uVersion > LSILOGIC_SAVED_STATE_VERSION_VBOX_30)
4384	{
4385	for (unsigned i = 0; i < pThis->cDeviceStates; i++)
4386	{
4387	bool fPresent;
4388	rc = pHlp->pfnSSMGetBool(pSSM, &fPresent);
4389	AssertRCReturn(rc, rc);
4390	if (fPresent != (pThisCC->paDeviceStates[i].pDrvBase != NULL))
4391	return pHlp->pfnSSMSetCfgError(pSSM, RT_SRC_POS, N_("Target %u config mismatch: config=%RTbool state=%RTbool"),
4392	i, pThisCC->paDeviceStates[i].pDrvBase != NULL, fPresent);
4393	}
4394	}
4395	if (uPass != SSM_PASS_FINAL)
4396	return VINF_SUCCESS;
4397
4398	/* Every device first. */
4399	for (unsigned i = 0; i < pThis->cDeviceStates; i++)
4400	{
4401	PLSILOGICDEVICE pDevice = &pThisCC->paDeviceStates[i];
4402
4403	AssertMsg(!pDevice->cOutstandingRequests,
4404	("There are still outstanding requests on this device\n"));
4405	pHlp->pfnSSMGetU32V(pSSM, &pDevice->cOutstandingRequests);
4406	}
4407	/* Now the main device state. */
4408	PDMDEVHLP_SSM_GET_ENUM32_RET(pHlp, pSSM, pThis->enmState, LSILOGICSTATE);
4409	PDMDEVHLP_SSM_GET_ENUM32_RET(pHlp, pSSM, pThis->enmWhoInit, LSILOGICWHOINIT);
4410	if (uVersion <= LSILOGIC_SAVED_STATE_VERSION_BOOL_DOORBELL)
4411	{
4412	/*
4413	* The doorbell status flag distinguishes only between
4414	* doorbell not in use or a Function handshake is currently in progress.
4415	*/
4416	bool fDoorbellInProgress = false;
4417	rc = pHlp->pfnSSMGetBool(pSSM, &fDoorbellInProgress);
4418	AssertRCReturn(rc, rc);
4419	if (fDoorbellInProgress)
4420	pThis->enmDoorbellState = LSILOGICDOORBELLSTATE_FN_HANDSHAKE;
4421	else
4422	pThis->enmDoorbellState = LSILOGICDOORBELLSTATE_NOT_IN_USE;
4423	}
4424	else
4425	PDMDEVHLP_SSM_GET_ENUM32_RET(pHlp, pSSM, pThis->enmDoorbellState, LSILOGICDOORBELLSTATE);
4426	pHlp->pfnSSMGetBool(pSSM, &pThis->fDiagnosticEnabled);
4427	pHlp->pfnSSMGetBool(pSSM, &pThis->fNotificationSent);
4428	pHlp->pfnSSMGetBool(pSSM, &pThis->fEventNotificationEnabled);
4429	pHlp->pfnSSMGetU32V(pSSM, &pThis->uInterruptMask);
4430	pHlp->pfnSSMGetU32V(pSSM, &pThis->uInterruptStatus);
4431	for (unsigned i = 0; i < RT_ELEMENTS(pThis->aMessage); i++)
4432	pHlp->pfnSSMGetU32(pSSM, &pThis->aMessage[i]);
4433	pHlp->pfnSSMGetU32(pSSM, &pThis->iMessage);
4434	pHlp->pfnSSMGetU32(pSSM, &pThis->cMessage);
4435	pHlp->pfnSSMGetMem(pSSM, &pThis->ReplyBuffer, sizeof(pThis->ReplyBuffer));
4436	pHlp->pfnSSMGetU32(pSSM, &pThis->uNextReplyEntryRead);
4437	pHlp->pfnSSMGetU32(pSSM, &pThis->cReplySize);
4438	pHlp->pfnSSMGetU16(pSSM, &pThis->u16IOCFaultCode);
4439	pHlp->pfnSSMGetU32(pSSM, &pThis->u32HostMFAHighAddr);
4440	pHlp->pfnSSMGetU32(pSSM, &pThis->u32SenseBufferHighAddr);
4441	pHlp->pfnSSMGetU8(pSSM, &pThis->cMaxDevices);
4442	pHlp->pfnSSMGetU8(pSSM, &pThis->cMaxBuses);
4443	pHlp->pfnSSMGetU16(pSSM, &pThis->cbReplyFrame);
4444	pHlp->pfnSSMGetU32(pSSM, &pThis->iDiagnosticAccess);
4445
4446	uint32_t cReplyQueueEntries, cRequestQueueEntries;
4447	pHlp->pfnSSMGetU32(pSSM, &cReplyQueueEntries);
4448	rc = pHlp->pfnSSMGetU32(pSSM, &cRequestQueueEntries);
4449	AssertRCReturn(rc, rc);
4450
4451	if ( cReplyQueueEntries != pThis->cReplyQueueEntries
4452	\|\| cRequestQueueEntries != pThis->cRequestQueueEntries)
4453	{
4454	LogRel(("Changing queue sizes: cReplyQueueEntries=%u cRequestQueuEntries=%u\n", cReplyQueueEntries, cRequestQueueEntries));
4455	if ( cReplyQueueEntries > RT_ELEMENTS(pThis->aReplyFreeQueue)
4456	\|\| cReplyQueueEntries < LSILOGICSCSI_REQUEST_QUEUE_DEPTH_MIN
4457	\|\| cRequestQueueEntries > RT_ELEMENTS(pThis->aRequestQueue)
4458	\|\| cRequestQueueEntries < LSILOGICSCSI_REPLY_QUEUE_DEPTH_MIN)
4459	return pHlp->pfnSSMSetCfgError(pSSM, RT_SRC_POS, N_("Out of bounds: cReplyQueueEntries=%u cRequestQueueEntries=%u"),
4460	cReplyQueueEntries, cRequestQueueEntries);
4461	pThis->cReplyQueueEntries = cReplyQueueEntries;
4462	pThis->cRequestQueueEntries = cRequestQueueEntries;
4463	}
4464
4465	pHlp->pfnSSMGetU32V(pSSM, &pThis->uReplyFreeQueueNextEntryFreeWrite);
4466	pHlp->pfnSSMGetU32V(pSSM, &pThis->uReplyFreeQueueNextAddressRead);
4467	pHlp->pfnSSMGetU32V(pSSM, &pThis->uReplyPostQueueNextEntryFreeWrite);
4468	pHlp->pfnSSMGetU32V(pSSM, &pThis->uReplyPostQueueNextAddressRead);
4469	pHlp->pfnSSMGetU32V(pSSM, &pThis->uRequestQueueNextEntryFreeWrite);
4470	pHlp->pfnSSMGetU32V(pSSM, &pThis->uRequestQueueNextAddressRead);
4471
4472	PMptConfigurationPagesSupported pPages = pThisCC->pConfigurationPages;
4473
4474	if (uVersion <= LSILOGIC_SAVED_STATE_VERSION_PRE_SAS)
4475	{
4476	PMptConfigurationPagesSpi pSpiPages = &pPages->u.SpiPages;
4477	MptConfigurationPagesSupported_SSM_V2 ConfigPagesV2;
4478
4479	if (pThis->enmCtrlType != LSILOGICCTRLTYPE_SCSI_SPI)
4480	return pHlp->pfnSSMSetCfgError(pSSM, RT_SRC_POS, N_("Config mismatch: Expected SPI SCSI controller"));
4481
4482	pHlp->pfnSSMGetMem(pSSM, &ConfigPagesV2, sizeof(MptConfigurationPagesSupported_SSM_V2));
4483
4484	pPages->ManufacturingPage0 = ConfigPagesV2.ManufacturingPage0;
4485	pPages->ManufacturingPage1 = ConfigPagesV2.ManufacturingPage1;
4486	pPages->ManufacturingPage2 = ConfigPagesV2.ManufacturingPage2;
4487	pPages->ManufacturingPage3 = ConfigPagesV2.ManufacturingPage3;
4488	pPages->ManufacturingPage4 = ConfigPagesV2.ManufacturingPage4;
4489	pPages->IOUnitPage0 = ConfigPagesV2.IOUnitPage0;
4490	pPages->IOUnitPage1 = ConfigPagesV2.IOUnitPage1;
4491	pPages->IOUnitPage2 = ConfigPagesV2.IOUnitPage2;
4492	pPages->IOUnitPage3 = ConfigPagesV2.IOUnitPage3;
4493	pPages->IOCPage0 = ConfigPagesV2.IOCPage0;
4494	pPages->IOCPage1 = ConfigPagesV2.IOCPage1;
4495	pPages->IOCPage2 = ConfigPagesV2.IOCPage2;
4496	pPages->IOCPage3 = ConfigPagesV2.IOCPage3;
4497	pPages->IOCPage4 = ConfigPagesV2.IOCPage4;
4498	pPages->IOCPage6 = ConfigPagesV2.IOCPage6;
4499
4500	pSpiPages->aPortPages[0].SCSISPIPortPage0 = ConfigPagesV2.aPortPages[0].SCSISPIPortPage0;
4501	pSpiPages->aPortPages[0].SCSISPIPortPage1 = ConfigPagesV2.aPortPages[0].SCSISPIPortPage1;
4502	pSpiPages->aPortPages[0].SCSISPIPortPage2 = ConfigPagesV2.aPortPages[0].SCSISPIPortPage2;
4503
4504	for (unsigned i = 0; i < RT_ELEMENTS(pPages->u.SpiPages.aBuses[0].aDevicePages); i++)
4505	{
4506	pSpiPages->aBuses[0].aDevicePages[i].SCSISPIDevicePage0 = ConfigPagesV2.aBuses[0].aDevicePages[i].SCSISPIDevicePage0;
4507	pSpiPages->aBuses[0].aDevicePages[i].SCSISPIDevicePage1 = ConfigPagesV2.aBuses[0].aDevicePages[i].SCSISPIDevicePage1;
4508	pSpiPages->aBuses[0].aDevicePages[i].SCSISPIDevicePage2 = ConfigPagesV2.aBuses[0].aDevicePages[i].SCSISPIDevicePage2;
4509	pSpiPages->aBuses[0].aDevicePages[i].SCSISPIDevicePage3 = ConfigPagesV2.aBuses[0].aDevicePages[i].SCSISPIDevicePage3;
4510	}
4511	}
4512	else
4513	{
4514	/* Queue content */
4515	for (unsigned i = 0; i < pThis->cReplyQueueEntries; i++)
4516	pHlp->pfnSSMGetU32V(pSSM, &pThis->aReplyFreeQueue[i]);
4517	for (unsigned i = 0; i < pThis->cReplyQueueEntries; i++)
4518	pHlp->pfnSSMGetU32V(pSSM, &pThis->aReplyPostQueue[i]);
4519	for (unsigned i = 0; i < pThis->cRequestQueueEntries; i++)
4520	pHlp->pfnSSMGetU32V(pSSM, &pThis->aRequestQueue[i]);
4521
4522	pHlp->pfnSSMGetU16(pSSM, &pThis->u16NextHandle);
4523
4524	if (uVersion > LSILOGIC_SAVED_STATE_VERSION_PRE_DIAG_MEM)
4525	{
4526
4527	/* Save diagnostic memory register and data regions. */
4528	pHlp->pfnSSMGetU32(pSSM, &pThis->u32DiagMemAddr);
4529	uint32_t cMemRegions = 0;
4530	rc = pHlp->pfnSSMGetU32(pSSM, &cMemRegions);
4531	AssertLogRelRCReturn(rc, rc);
4532
4533	while (cMemRegions)
4534	{
4535	uint32_t u32AddrStart = 0;
4536	pHlp->pfnSSMGetU32(pSSM, &u32AddrStart);
4537	uint32_t u32AddrEnd = 0;
4538	rc = pHlp->pfnSSMGetU32(pSSM, &u32AddrEnd);
4539	AssertLogRelRCReturn(rc, rc);
4540
4541	uint32_t cRegion = u32AddrEnd - u32AddrStart + 1;
4542	PLSILOGICMEMREGN pRegion = (PLSILOGICMEMREGN)RTMemAllocZ(RT_UOFFSETOF_DYN(LSILOGICMEMREGN, au32Data[cRegion]));
4543	if (pRegion)
4544	{
4545	pRegion->u32AddrStart = u32AddrStart;
4546	pRegion->u32AddrEnd = u32AddrEnd;
4547	pHlp->pfnSSMGetMem(pSSM, &pRegion->au32Data[0], cRegion * sizeof(uint32_t));
4548	lsilogicR3MemRegionInsert(pThisCC, pRegion);
4549	pThisCC->cbMemRegns += cRegion * sizeof(uint32_t);
4550	}
4551	else
4552	{
4553	/* Leave a log message but continue. */
4554	LogRel(("LsiLogic: Out of memory while restoring the state, might not work as expected\n"));
4555	pHlp->pfnSSMSkip(pSSM, cRegion * sizeof(uint32_t));
4556	}
4557	cMemRegions--;
4558	}
4559	}
4560
4561	/* Configuration pages */
4562	pHlp->pfnSSMGetMem(pSSM, &pPages->ManufacturingPage0, sizeof(MptConfigurationPageManufacturing0));
4563	pHlp->pfnSSMGetMem(pSSM, &pPages->ManufacturingPage1, sizeof(MptConfigurationPageManufacturing1));
4564	pHlp->pfnSSMGetMem(pSSM, &pPages->ManufacturingPage2, sizeof(MptConfigurationPageManufacturing2));
4565	pHlp->pfnSSMGetMem(pSSM, &pPages->ManufacturingPage3, sizeof(MptConfigurationPageManufacturing3));
4566	pHlp->pfnSSMGetMem(pSSM, &pPages->ManufacturingPage4, sizeof(MptConfigurationPageManufacturing4));
4567	pHlp->pfnSSMGetMem(pSSM, &pPages->ManufacturingPage5, sizeof(MptConfigurationPageManufacturing5));
4568	pHlp->pfnSSMGetMem(pSSM, &pPages->ManufacturingPage6, sizeof(MptConfigurationPageManufacturing6));
4569	pHlp->pfnSSMGetMem(pSSM, &pPages->ManufacturingPage8, sizeof(MptConfigurationPageManufacturing8));
4570	pHlp->pfnSSMGetMem(pSSM, &pPages->ManufacturingPage9, sizeof(MptConfigurationPageManufacturing9));
4571	pHlp->pfnSSMGetMem(pSSM, &pPages->ManufacturingPage10, sizeof(MptConfigurationPageManufacturing10));
4572	pHlp->pfnSSMGetMem(pSSM, &pPages->IOUnitPage0, sizeof(MptConfigurationPageIOUnit0));
4573	pHlp->pfnSSMGetMem(pSSM, &pPages->IOUnitPage1, sizeof(MptConfigurationPageIOUnit1));
4574	pHlp->pfnSSMGetMem(pSSM, &pPages->IOUnitPage2, sizeof(MptConfigurationPageIOUnit2));
4575	pHlp->pfnSSMGetMem(pSSM, &pPages->IOUnitPage3, sizeof(MptConfigurationPageIOUnit3));
4576	pHlp->pfnSSMGetMem(pSSM, &pPages->IOUnitPage4, sizeof(MptConfigurationPageIOUnit4));
4577	pHlp->pfnSSMGetMem(pSSM, &pPages->IOCPage0, sizeof(MptConfigurationPageIOC0));
4578	pHlp->pfnSSMGetMem(pSSM, &pPages->IOCPage1, sizeof(MptConfigurationPageIOC1));
4579	pHlp->pfnSSMGetMem(pSSM, &pPages->IOCPage2, sizeof(MptConfigurationPageIOC2));
4580	pHlp->pfnSSMGetMem(pSSM, &pPages->IOCPage3, sizeof(MptConfigurationPageIOC3));
4581	pHlp->pfnSSMGetMem(pSSM, &pPages->IOCPage4, sizeof(MptConfigurationPageIOC4));
4582	pHlp->pfnSSMGetMem(pSSM, &pPages->IOCPage6, sizeof(MptConfigurationPageIOC6));
4583	pHlp->pfnSSMGetMem(pSSM, &pPages->BIOSPage1, sizeof(MptConfigurationPageBIOS1));
4584	pHlp->pfnSSMGetMem(pSSM, &pPages->BIOSPage2, sizeof(MptConfigurationPageBIOS2));
4585	pHlp->pfnSSMGetMem(pSSM, &pPages->BIOSPage4, sizeof(MptConfigurationPageBIOS4));
4586
4587	/* Device dependent pages */
4588	if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SPI)
4589	{
4590	PMptConfigurationPagesSpi pSpiPages = &pPages->u.SpiPages;
4591
4592	pHlp->pfnSSMGetMem(pSSM, &pSpiPages->aPortPages[0].SCSISPIPortPage0, sizeof(MptConfigurationPageSCSISPIPort0));
4593	pHlp->pfnSSMGetMem(pSSM, &pSpiPages->aPortPages[0].SCSISPIPortPage1, sizeof(MptConfigurationPageSCSISPIPort1));
4594	pHlp->pfnSSMGetMem(pSSM, &pSpiPages->aPortPages[0].SCSISPIPortPage2, sizeof(MptConfigurationPageSCSISPIPort2));
4595
4596	for (unsigned i = 0; i < RT_ELEMENTS(pSpiPages->aBuses[0].aDevicePages); i++)
4597	{
4598	pHlp->pfnSSMGetMem(pSSM, &pSpiPages->aBuses[0].aDevicePages[i].SCSISPIDevicePage0, sizeof(MptConfigurationPageSCSISPIDevice0));
4599	pHlp->pfnSSMGetMem(pSSM, &pSpiPages->aBuses[0].aDevicePages[i].SCSISPIDevicePage1, sizeof(MptConfigurationPageSCSISPIDevice1));
4600	pHlp->pfnSSMGetMem(pSSM, &pSpiPages->aBuses[0].aDevicePages[i].SCSISPIDevicePage2, sizeof(MptConfigurationPageSCSISPIDevice2));
4601	pHlp->pfnSSMGetMem(pSSM, &pSpiPages->aBuses[0].aDevicePages[i].SCSISPIDevicePage3, sizeof(MptConfigurationPageSCSISPIDevice3));
4602	}
4603	}
4604	else if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SAS)
4605	{
4606	uint32_t cbPage0, cbPage1, cPHYs, cbManufacturingPage7;
4607	PMptConfigurationPagesSas pSasPages = &pPages->u.SasPages;
4608
4609	pHlp->pfnSSMGetU32(pSSM, &cbManufacturingPage7);
4610	pHlp->pfnSSMGetU32(pSSM, &cbPage0);
4611	rc = pHlp->pfnSSMGetU32(pSSM, &cbPage1);
4612	AssertRCReturn(rc, rc);
4613
4614	if ( (cbPage0 != pSasPages->cbSASIOUnitPage0)
4615	\|\| (cbPage1 != pSasPages->cbSASIOUnitPage1)
4616	\|\| (cbManufacturingPage7 != pSasPages->cbManufacturingPage7))
4617	return VERR_SSM_LOAD_CONFIG_MISMATCH;
4618
4619	AssertPtr(pSasPages->pManufacturingPage7);
4620	AssertPtr(pSasPages->pSASIOUnitPage0);
4621	AssertPtr(pSasPages->pSASIOUnitPage1);
4622
4623	pHlp->pfnSSMGetMem(pSSM, pSasPages->pManufacturingPage7, pSasPages->cbManufacturingPage7);
4624	pHlp->pfnSSMGetMem(pSSM, pSasPages->pSASIOUnitPage0, pSasPages->cbSASIOUnitPage0);
4625	pHlp->pfnSSMGetMem(pSSM, pSasPages->pSASIOUnitPage1, pSasPages->cbSASIOUnitPage1);
4626
4627	pHlp->pfnSSMGetMem(pSSM, &pSasPages->SASIOUnitPage2, sizeof(MptConfigurationPageSASIOUnit2));
4628	pHlp->pfnSSMGetMem(pSSM, &pSasPages->SASIOUnitPage3, sizeof(MptConfigurationPageSASIOUnit3));
4629
4630	rc = pHlp->pfnSSMGetU32(pSSM, &cPHYs);
4631	AssertRCReturn(rc, rc);
4632	if (cPHYs != pSasPages->cPHYs)
4633	return VERR_SSM_LOAD_CONFIG_MISMATCH;
4634
4635	AssertPtr(pSasPages->paPHYs);
4636	for (unsigned i = 0; i < pSasPages->cPHYs; i++)
4637	{
4638	pHlp->pfnSSMGetMem(pSSM, &pSasPages->paPHYs[i].SASPHYPage0, sizeof(MptConfigurationPageSASPHY0));
4639	pHlp->pfnSSMGetMem(pSSM, &pSasPages->paPHYs[i].SASPHYPage1, sizeof(MptConfigurationPageSASPHY1));
4640	}
4641
4642	/* The number of devices first. */
4643	rc = pHlp->pfnSSMGetU32(pSSM, &pSasPages->cDevices);
4644	AssertRCReturn(rc, rc);
4645
4646	PMptSASDevice pCurr = pSasPages->pSASDeviceHead;
4647
4648	for (unsigned i = 0; i < pSasPages->cDevices; i++)
4649	{
4650	AssertReturn(pCurr, VERR_SSM_LOAD_CONFIG_MISMATCH);
4651
4652	pHlp->pfnSSMGetMem(pSSM, &pCurr->SASDevicePage0, sizeof(MptConfigurationPageSASDevice0));
4653	pHlp->pfnSSMGetMem(pSSM, &pCurr->SASDevicePage1, sizeof(MptConfigurationPageSASDevice1));
4654	rc = pHlp->pfnSSMGetMem(pSSM, &pCurr->SASDevicePage2, sizeof(MptConfigurationPageSASDevice2));
4655	AssertRCReturn(rc, rc);
4656
4657	pCurr = pCurr->pNext;
4658	}
4659
4660	Assert(!pCurr);
4661	}
4662	else
4663	AssertMsgFailed(("Invalid controller type %d\n", pThis->enmCtrlType));
4664	}
4665
4666	if (uVersion <= LSILOGIC_SAVED_STATE_VERSION_PRE_VBOXSCSI_REMOVAL)
4667	vboxscsiR3LoadExecLegacy(pHlp, pSSM);
4668
4669	uint32_t u32;
4670	rc = pHlp->pfnSSMGetU32(pSSM, &u32);
4671	if (RT_FAILURE(rc))
4672	return rc;
4673	AssertMsgReturn(u32 == UINT32_MAX, ("%#x\n", u32), VERR_SSM_DATA_UNIT_FORMAT_CHANGED);
4674
4675	return VINF_SUCCESS;
4676	}
4677
4678
4679	/*
4680	* The device level IBASE and LED interfaces.
4681	*/
4682
4683	/**
4684	* @interface_method_impl{PDMILEDPORTS,pfnQueryStatusLed, For a SCSI device.}
4685	*
4686	* @remarks Called by the scsi driver, proxying the main calls.
4687	*/
4688	static DECLCALLBACK(int) lsilogicR3DeviceQueryStatusLed(PPDMILEDPORTS pInterface, unsigned iLUN, PPDMLED *ppLed)
4689	{
4690	PLSILOGICDEVICE pDevice = RT_FROM_MEMBER(pInterface, LSILOGICDEVICE, ILed);
4691	if (iLUN == 0)
4692	{
4693	*ppLed = &pDevice->Led;
4694	Assert((*ppLed)->u32Magic == PDMLED_MAGIC);
4695	return VINF_SUCCESS;
4696	}
4697	return VERR_PDM_LUN_NOT_FOUND;
4698	}
4699
4700
4701	/**
4702	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
4703	*/
4704	static DECLCALLBACK(void ) lsilogicR3DeviceQueryInterface(PPDMIBASE pInterface, const char pszIID)
4705	{
4706	PLSILOGICDEVICE pDevice = RT_FROM_MEMBER(pInterface, LSILOGICDEVICE, IBase);
4707
4708	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDevice->IBase);
4709	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMEDIAPORT, &pDevice->IMediaPort);
4710	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMEDIAEXPORT, &pDevice->IMediaExPort);
4711	PDMIBASE_RETURN_INTERFACE(pszIID, PDMILEDPORTS, &pDevice->ILed);
4712	return NULL;
4713	}
4714
4715
4716	/*
4717	* The controller level IBASE and LED interfaces.
4718	*/
4719
4720	/**
4721	* Gets the pointer to the status LED of a unit.
4722	*
4723	* @returns VBox status code.
4724	* @param pInterface Pointer to the interface structure containing the called function pointer.
4725	* @param iLUN The unit which status LED we desire.
4726	* @param ppLed Where to store the LED pointer.
4727	*/
4728	static DECLCALLBACK(int) lsilogicR3StatusQueryStatusLed(PPDMILEDPORTS pInterface, unsigned iLUN, PPDMLED *ppLed)
4729	{
4730	PLSILOGICSCSICC pThisCC = RT_FROM_MEMBER(pInterface, LSILOGICSCSICC, ILeds);
4731	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pThisCC->pDevIns, PLSILOGICSCSI);
4732	if (iLUN < pThis->cDeviceStates)
4733	{
4734	*ppLed = &pThisCC->paDeviceStates[iLUN].Led;
4735	Assert((*ppLed)->u32Magic == PDMLED_MAGIC);
4736	return VINF_SUCCESS;
4737	}
4738	return VERR_PDM_LUN_NOT_FOUND;
4739	}
4740
4741	/**
4742	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
4743	*/
4744	static DECLCALLBACK(void ) lsilogicR3StatusQueryInterface(PPDMIBASE pInterface, const char pszIID)
4745	{
4746	PLSILOGICSCSICC pThisCC = RT_FROM_MEMBER(pInterface, LSILOGICSCSICC, IBase);
4747	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pThisCC->IBase);
4748	PDMIBASE_RETURN_INTERFACE(pszIID, PDMILEDPORTS, &pThisCC->ILeds);
4749	return NULL;
4750	}
4751
4752
4753	/*
4754	* The PDM device interface and some helpers.
4755	*/
4756
4757	/**
4758	* Checks if all asynchronous I/O is finished.
4759	*
4760	* Used by lsilogicR3Reset, lsilogicR3Suspend and lsilogicR3PowerOff.
4761	*
4762	* @returns true if quiesced, false if busy.
4763	* @param pDevIns The device instance.
4764	*/
4765	static bool lsilogicR3AllAsyncIOIsFinished(PPDMDEVINS pDevIns)
4766	{
4767	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
4768	PLSILOGICSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PLSILOGICSCSICC);
4769
4770	for (uint32_t i = 0; i < pThis->cDeviceStates; i++)
4771	{
4772	PLSILOGICDEVICE pThisDevice = &pThisCC->paDeviceStates[i];
4773	if (pThisDevice->pDrvBase)
4774	{
4775	if (pThisDevice->cOutstandingRequests != 0)
4776	return false;
4777	}
4778	}
4779
4780	return true;
4781	}
4782
4783	/**
4784	* @callback_method_impl{FNPDMDEVASYNCNOTIFY,
4785	* Callback employed by lsilogicR3Suspend and lsilogicR3PowerOff.}
4786	*/
4787	static DECLCALLBACK(bool) lsilogicR3IsAsyncSuspendOrPowerOffDone(PPDMDEVINS pDevIns)
4788	{
4789	if (!lsilogicR3AllAsyncIOIsFinished(pDevIns))
4790	return false;
4791
4792	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
4793	ASMAtomicWriteBool(&pThis->fSignalIdle, false);
4794	return true;
4795	}
4796
4797	/**
4798	* Common worker for ahciR3Suspend and ahciR3PowerOff.
4799	*/
4800	static void lsilogicR3SuspendOrPowerOff(PPDMDEVINS pDevIns)
4801	{
4802	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
4803	PLSILOGICSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PLSILOGICSCSICC);
4804
4805	ASMAtomicWriteBool(&pThis->fSignalIdle, true);
4806	if (!lsilogicR3AllAsyncIOIsFinished(pDevIns))
4807	PDMDevHlpSetAsyncNotification(pDevIns, lsilogicR3IsAsyncSuspendOrPowerOffDone);
4808	else
4809	{
4810	ASMAtomicWriteBool(&pThis->fSignalIdle, false);
4811
4812	AssertMsg(!pThis->fNotificationSent, ("The PDM Queue should be empty at this point\n"));
4813	}
4814
4815	for (uint32_t i = 0; i < pThis->cDeviceStates; i++)
4816	{
4817	PLSILOGICDEVICE pThisDevice = &pThisCC->paDeviceStates[i];
4818	if (pThisDevice->pDrvMediaEx)
4819	pThisDevice->pDrvMediaEx->pfnNotifySuspend(pThisDevice->pDrvMediaEx);
4820	}
4821	}
4822
4823	/**
4824	* @interface_method_impl{PDMDEVREG,pfnSuspend}
4825	*/
4826	static DECLCALLBACK(void) lsilogicR3Suspend(PPDMDEVINS pDevIns)
4827	{
4828	Log(("lsilogicR3Suspend\n"));
4829	lsilogicR3SuspendOrPowerOff(pDevIns);
4830	}
4831
4832	/**
4833	* @interface_method_impl{PDMDEVREG,pfnResume}
4834	*/
4835	static DECLCALLBACK(void) lsilogicR3Resume(PPDMDEVINS pDevIns)
4836	{
4837	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
4838
4839	Log(("lsilogicR3Resume\n"));
4840
4841	lsilogicR3Kick(pDevIns, pThis);
4842	}
4843
4844	/**
4845	* @interface_method_impl{PDMDEVREG,pfnDetach}
4846	*
4847	* One harddisk at one port has been unplugged.
4848	* The VM is suspended at this point.
4849	*/
4850	static DECLCALLBACK(void) lsilogicR3Detach(PPDMDEVINS pDevIns, unsigned iLUN, uint32_t fFlags)
4851	{
4852	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
4853	PLSILOGICSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PLSILOGICSCSICC);
4854	Log(("%s: iLUN=%#x\n", __FUNCTION__, iLUN));
4855	RT_NOREF(fFlags);
4856
4857	AssertMsg(fFlags & PDM_TACH_FLAGS_NOT_HOT_PLUG, ("LsiLogic: Device does not support hotplugging\n"));
4858
4859	if (iLUN >= pThis->cDeviceStates)
4860	return;
4861
4862	/*
4863	* Zero some important members.
4864	*/
4865	PLSILOGICDEVICE pDevice = &pThisCC->paDeviceStates[iLUN];
4866	pDevice->pDrvBase = NULL;
4867	pDevice->pDrvMedia = NULL;
4868	pDevice->pDrvMediaEx = NULL;
4869	}
4870
4871	/**
4872	* @interface_method_impl{PDMDEVREG,pfnAttach}
4873	*/
4874	static DECLCALLBACK(int) lsilogicR3Attach(PPDMDEVINS pDevIns, unsigned iLUN, uint32_t fFlags)
4875	{
4876	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
4877	PLSILOGICSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PLSILOGICSCSICC);
4878	PLSILOGICDEVICE pDevice = &pThisCC->paDeviceStates[iLUN];
4879	int rc;
4880
4881	if (iLUN >= pThis->cDeviceStates)
4882	return VERR_PDM_LUN_NOT_FOUND;
4883
4884	AssertMsgReturn(fFlags & PDM_TACH_FLAGS_NOT_HOT_PLUG,
4885	("LsiLogic: Device does not support hotplugging\n"),
4886	VERR_INVALID_PARAMETER);
4887
4888	/* the usual paranoia */
4889	AssertRelease(!pDevice->pDrvBase);
4890	AssertRelease(!pDevice->pDrvMedia);
4891	AssertRelease(!pDevice->pDrvMediaEx);
4892	Assert(pDevice->iLUN == iLUN);
4893
4894	/*
4895	* Try attach the block device and get the interfaces,
4896	* required as well as optional.
4897	*/
4898	rc = PDMDevHlpDriverAttach(pDevIns, pDevice->iLUN, &pDevice->IBase, &pDevice->pDrvBase, NULL);
4899	if (RT_SUCCESS(rc))
4900	{
4901	/* Query the media interface. */
4902	pDevice->pDrvMedia = PDMIBASE_QUERY_INTERFACE(pDevice->pDrvBase, PDMIMEDIA);
4903	AssertMsgReturn(RT_VALID_PTR(pDevice->pDrvMedia),
4904	("LsiLogic configuration error: LUN#%d misses the basic media interface!\n", pDevice->iLUN),
4905	VERR_PDM_MISSING_INTERFACE);
4906
4907	/* Get the extended media interface. */
4908	pDevice->pDrvMediaEx = PDMIBASE_QUERY_INTERFACE(pDevice->pDrvBase, PDMIMEDIAEX);
4909	AssertMsgReturn(RT_VALID_PTR(pDevice->pDrvMediaEx),
4910	("LsiLogic configuration error: LUN#%d misses the extended media interface!\n", pDevice->iLUN),
4911	VERR_PDM_MISSING_INTERFACE);
4912
4913	rc = pDevice->pDrvMediaEx->pfnIoReqAllocSizeSet(pDevice->pDrvMediaEx, sizeof(LSILOGICREQ));
4914	AssertMsgRCReturn(rc, ("LsiLogic configuration error: LUN#%u: Failed to set I/O request size!", pDevice->iLUN),
4915	rc);
4916	}
4917	else
4918	AssertMsgFailed(("Failed to attach LUN#%d. rc=%Rrc\n", pDevice->iLUN, rc));
4919
4920	if (RT_FAILURE(rc))
4921	{
4922	pDevice->pDrvBase = NULL;
4923	pDevice->pDrvMedia = NULL;
4924	pDevice->pDrvMediaEx = NULL;
4925	}
4926	return rc;
4927	}
4928
4929	/**
4930	* Common reset worker.
4931	*
4932	* @param pDevIns The device instance data.
4933	*/
4934	static void lsilogicR3ResetCommon(PPDMDEVINS pDevIns)
4935	{
4936	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
4937	PLSILOGICSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PLSILOGICSCSICC);
4938	int rc;
4939
4940	rc = lsilogicR3HardReset(pDevIns, pThis, pThisCC);
4941	AssertRC(rc);
4942	}
4943
4944	/**
4945	* @callback_method_impl{FNPDMDEVASYNCNOTIFY,
4946	* Callback employed by lsilogicR3Reset.}
4947	*/
4948	static DECLCALLBACK(bool) lsilogicR3IsAsyncResetDone(PPDMDEVINS pDevIns)
4949	{
4950	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
4951
4952	if (!lsilogicR3AllAsyncIOIsFinished(pDevIns))
4953	return false;
4954	ASMAtomicWriteBool(&pThis->fSignalIdle, false);
4955
4956	lsilogicR3ResetCommon(pDevIns);
4957	return true;
4958	}
4959
4960	/**
4961	* @interface_method_impl{PDMDEVREG,pfnReset}
4962	*/
4963	static DECLCALLBACK(void) lsilogicR3Reset(PPDMDEVINS pDevIns)
4964	{
4965	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
4966
4967	ASMAtomicWriteBool(&pThis->fSignalIdle, true);
4968	if (!lsilogicR3AllAsyncIOIsFinished(pDevIns))
4969	PDMDevHlpSetAsyncNotification(pDevIns, lsilogicR3IsAsyncResetDone);
4970	else
4971	{
4972	ASMAtomicWriteBool(&pThis->fSignalIdle, false);
4973	lsilogicR3ResetCommon(pDevIns);
4974	}
4975	}
4976
4977	/**
4978	* @interface_method_impl{PDMDEVREG,pfnPowerOff}
4979	*/
4980	static DECLCALLBACK(void) lsilogicR3PowerOff(PPDMDEVINS pDevIns)
4981	{
4982	Log(("lsilogicR3PowerOff\n"));
4983	lsilogicR3SuspendOrPowerOff(pDevIns);
4984	}
4985
4986	/**
4987	* @interface_method_impl{PDMDEVREG,pfnDestruct}
4988	*/
4989	static DECLCALLBACK(int) lsilogicR3Destruct(PPDMDEVINS pDevIns)
4990	{
4991	PDMDEV_CHECK_VERSIONS_RETURN_QUIET(pDevIns);
4992	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
4993	PLSILOGICSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PLSILOGICSCSICC);
4994
4995	PDMDevHlpCritSectDelete(pDevIns, &pThis->ReplyFreeQueueCritSect);
4996	PDMDevHlpCritSectDelete(pDevIns, &pThis->ReplyPostQueueCritSect);
4997	PDMDevHlpCritSectDelete(pDevIns, &pThis->RequestQueueCritSect);
4998	PDMDevHlpCritSectDelete(pDevIns, &pThis->ReplyFreeQueueWriteCritSect);
4999
5000	if (RTCritSectIsInitialized(&pThisCC->CritSectMemRegns))
5001	RTCritSectDelete(&pThisCC->CritSectMemRegns);
5002
5003	RTMemFree(pThisCC->paDeviceStates);
5004	pThisCC->paDeviceStates = NULL;
5005
5006	if (pThis->hEvtProcess != NIL_SUPSEMEVENT)
5007	{
5008	PDMDevHlpSUPSemEventClose(pDevIns, pThis->hEvtProcess);
5009	pThis->hEvtProcess = NIL_SUPSEMEVENT;
5010	}
5011
5012	lsilogicR3ConfigurationPagesFree(pThis, pThisCC);
5013	lsilogicR3MemRegionsFree(pThisCC);
5014	return VINF_SUCCESS;
5015	}
5016
5017	/**
5018	* @interface_method_impl{PDMDEVREG,pfnConstruct}
5019	*/
5020	static DECLCALLBACK(int) lsilogicR3Construct(PPDMDEVINS pDevIns, int iInstance, PCFGMNODE pCfg)
5021	{
5022	PDMDEV_CHECK_VERSIONS_RETURN(pDevIns);
5023	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
5024	PLSILOGICSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PLSILOGICSCSICC);
5025	PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
5026	int rc = VINF_SUCCESS;
5027
5028	/*
5029	* Initialize enought of the state to make the destructure not trip up.
5030	*/
5031	pThis->hEvtProcess = NIL_SUPSEMEVENT;
5032	RTListInit(&pThisCC->ListMemRegns);
5033	pThis->hMmioReg = NIL_IOMMMIOHANDLE;
5034	pThis->hMmioDiag = NIL_IOMMMIOHANDLE;
5035	pThis->hIoPortsReg = NIL_IOMIOPORTHANDLE;
5036	pThis->hIoPortsBios = NIL_IOMIOPORTHANDLE;
5037	pThisCC->pDevIns = pDevIns;
5038	pThisCC->IBase.pfnQueryInterface = lsilogicR3StatusQueryInterface;
5039	pThisCC->ILeds.pfnQueryStatusLed = lsilogicR3StatusQueryStatusLed;
5040
5041
5042	/*
5043	* Validate and read configuration.
5044	*/
5045	PDMDEV_VALIDATE_CONFIG_RETURN(pDevIns,
5046	"ReplyQueueDepth\|"
5047	"RequestQueueDepth\|"
5048	"ControllerType\|"
5049	"NumPorts\|"
5050	"Bootable", /* Keep it for legacy configs, even though it doesn't do anything anymore, see @bugref{4841}. */
5051	"");
5052
5053	rc = pHlp->pfnCFGMQueryU32Def(pCfg, "ReplyQueueDepth",
5054	&pThis->cReplyQueueEntries, LSILOGICSCSI_REPLY_QUEUE_DEPTH_DEFAULT);
5055	if (RT_FAILURE(rc))
5056	return PDMDEV_SET_ERROR(pDevIns, rc,
5057	N_("LsiLogic configuration error: failed to read ReplyQueue as integer"));
5058	if ( pThis->cReplyQueueEntries < LSILOGICSCSI_REPLY_QUEUE_DEPTH_MIN
5059	\|\| pThis->cReplyQueueEntries > LSILOGICSCSI_REPLY_QUEUE_DEPTH_MAX - 1 /* see +1 later in the function */)
5060	return PDMDevHlpVMSetError(pDevIns, VERR_OUT_OF_RANGE, RT_SRC_POS,
5061	N_("LsiLogic configuration error: 'ReplyQueueDepth' = %u is out of ranage (%u..%u)"),
5062	pThis->cReplyQueueEntries, LSILOGICSCSI_REPLY_QUEUE_DEPTH_MIN,
5063	LSILOGICSCSI_REPLY_QUEUE_DEPTH_MAX - 1);
5064	Log(("%s: ReplyQueueDepth=%u\n", __FUNCTION__, pThis->cReplyQueueEntries));
5065
5066	rc = pHlp->pfnCFGMQueryU32Def(pCfg, "RequestQueueDepth",
5067	&pThis->cRequestQueueEntries, LSILOGICSCSI_REQUEST_QUEUE_DEPTH_DEFAULT);
5068	if (RT_FAILURE(rc))
5069	return PDMDEV_SET_ERROR(pDevIns, rc, N_("LsiLogic configuration error: failed to read RequestQueue as integer"));
5070	if ( pThis->cRequestQueueEntries < LSILOGICSCSI_REQUEST_QUEUE_DEPTH_MIN
5071	\|\| pThis->cRequestQueueEntries > LSILOGICSCSI_REQUEST_QUEUE_DEPTH_MAX - 1 /* see +1 later in the function */)
5072	return PDMDevHlpVMSetError(pDevIns, VERR_OUT_OF_RANGE, RT_SRC_POS,
5073	N_("LsiLogic configuration error: 'RequestQueue' = %u is out of ranage (%u..%u)"),
5074	pThis->cRequestQueueEntries, LSILOGICSCSI_REQUEST_QUEUE_DEPTH_MIN,
5075	LSILOGICSCSI_REQUEST_QUEUE_DEPTH_MIN - 1);
5076	Log(("%s: RequestQueueDepth=%u\n", __FUNCTION__, pThis->cRequestQueueEntries));
5077
5078	char szCtrlType[64];
5079	rc = pHlp->pfnCFGMQueryStringDef(pCfg, "ControllerType", szCtrlType, sizeof(szCtrlType), LSILOGICSCSI_PCI_SPI_CTRLNAME);
5080	if (RT_FAILURE(rc))
5081	return PDMDEV_SET_ERROR(pDevIns, rc,
5082	N_("LsiLogic configuration error: failed to read ControllerType as string"));
5083	Log(("%s: ControllerType=%s\n", __FUNCTION__, szCtrlType));
5084	rc = lsilogicR3GetCtrlTypeFromString(pThis, szCtrlType);
5085	if (RT_FAILURE(rc))
5086	return PDMDEV_SET_ERROR(pDevIns, rc, N_("LsiLogic configuration error: failed to determine controller type from string"));
5087
5088	char szDevTag[20];
5089	RTStrPrintf(szDevTag, sizeof(szDevTag), "LSILOGIC%s-%u",
5090	pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SPI ? "SPI" : "SAS",
5091	iInstance);
5092
5093	rc = pHlp->pfnCFGMQueryU8(pCfg, "NumPorts", &pThis->cPorts);
5094	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
5095	{
5096	if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SPI)
5097	pThis->cPorts = LSILOGICSCSI_PCI_SPI_PORTS_MAX;
5098	else if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SAS)
5099	pThis->cPorts = LSILOGICSCSI_PCI_SAS_PORTS_DEFAULT;
5100	else
5101	AssertMsgFailed(("Invalid controller type: %d\n", pThis->enmCtrlType));
5102	}
5103	else if (RT_FAILURE(rc))
5104	return PDMDEV_SET_ERROR(pDevIns, rc,
5105	N_("LsiLogic configuration error: failed to read NumPorts as integer"));
5106
5107	/* Init static parts. */
5108	PPDMPCIDEV pPciDev = pDevIns->apPciDevs[0];
5109	PDMPCIDEV_ASSERT_VALID(pDevIns, pPciDev);
5110
5111	PDMPciDevSetVendorId(pPciDev, LSILOGICSCSI_PCI_VENDOR_ID); /* LsiLogic */
5112	if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SPI)
5113	{
5114	PDMPciDevSetDeviceId(pPciDev, LSILOGICSCSI_PCI_SPI_DEVICE_ID); /* LSI53C1030 */
5115	PDMPciDevSetSubSystemVendorId(pPciDev, LSILOGICSCSI_PCI_SPI_SUBSYSTEM_VENDOR_ID);
5116	PDMPciDevSetSubSystemId(pPciDev, LSILOGICSCSI_PCI_SPI_SUBSYSTEM_ID);
5117	}
5118	else if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SAS)
5119	{
5120	PDMPciDevSetDeviceId(pPciDev, LSILOGICSCSI_PCI_SAS_DEVICE_ID); /* SAS1068 */
5121	PDMPciDevSetSubSystemVendorId(pPciDev, LSILOGICSCSI_PCI_SAS_SUBSYSTEM_VENDOR_ID);
5122	PDMPciDevSetSubSystemId(pPciDev, LSILOGICSCSI_PCI_SAS_SUBSYSTEM_ID);
5123	}
5124	else
5125	AssertMsgFailed(("Invalid controller type: %d\n", pThis->enmCtrlType));
5126
5127	PDMPciDevSetClassProg(pPciDev, 0x00); /* SCSI */
5128	PDMPciDevSetClassSub(pPciDev, 0x00); /* SCSI */
5129	PDMPciDevSetClassBase(pPciDev, 0x01); /* Mass storage */
5130	PDMPciDevSetInterruptPin(pPciDev, 0x01); /* Interrupt pin A */
5131
5132	# ifdef VBOX_WITH_MSI_DEVICES
5133	PDMPciDevSetStatus(pPciDev, VBOX_PCI_STATUS_CAP_LIST);
5134	PDMPciDevSetCapabilityList(pPciDev, 0x80);
5135	# endif
5136
5137	/*
5138	* Create critical sections protecting the reply post and free queues.
5139	*/
5140	rc = PDMDevHlpCritSectInit(pDevIns, &pThis->ReplyFreeQueueCritSect, RT_SRC_POS, "%sRFQ", szDevTag);
5141	if (RT_FAILURE(rc))
5142	return PDMDEV_SET_ERROR(pDevIns, rc, N_("LsiLogic: cannot create critical section for reply free queue"));
5143
5144	rc = PDMDevHlpCritSectInit(pDevIns, &pThis->ReplyPostQueueCritSect, RT_SRC_POS, "%sRPQ", szDevTag);
5145	if (RT_FAILURE(rc))
5146	return PDMDEV_SET_ERROR(pDevIns, rc, N_("LsiLogic: cannot create critical section for reply post queue"));
5147
5148	rc = PDMDevHlpCritSectInit(pDevIns, &pThis->RequestQueueCritSect, RT_SRC_POS, "%sRQ", szDevTag);
5149	if (RT_FAILURE(rc))
5150	return PDMDEV_SET_ERROR(pDevIns, rc, N_("LsiLogic: cannot create critical section for request queue"));
5151
5152	rc = PDMDevHlpCritSectInit(pDevIns, &pThis->ReplyFreeQueueWriteCritSect, RT_SRC_POS, "%sRFQW", szDevTag);
5153	if (RT_FAILURE(rc))
5154	return PDMDEV_SET_ERROR(pDevIns, rc, N_("LsiLogic: cannot create critical section for reply free queue write access"));
5155
5156	/*
5157	* Critical section protecting the memory regions.
5158	*/
5159	rc = RTCritSectInit(&pThisCC->CritSectMemRegns);
5160	if (RT_FAILURE(rc))
5161	return PDMDEV_SET_ERROR(pDevIns, rc, N_("LsiLogic: Failed to initialize critical section protecting the memory regions"));
5162
5163	/*
5164	* Register the PCI device, it's I/O regions.
5165	*/
5166	rc = PDMDevHlpPCIRegister(pDevIns, pPciDev);
5167	if (RT_FAILURE(rc))
5168	return rc;
5169
5170	# ifdef VBOX_WITH_MSI_DEVICES
5171	PDMMSIREG MsiReg;
5172	RT_ZERO(MsiReg);
5173	/* use this code for MSI-X support */
5174	# if 0
5175	MsiReg.cMsixVectors = 1;
5176	MsiReg.iMsixCapOffset = 0x80;
5177	MsiReg.iMsixNextOffset = 0x00;
5178	MsiReg.iMsixBar = 3;
5179	Assert(pDevIns->pReg->cMaxMsixVectors >= MsiReg.cMsixVectors); /* fix device registration when enabling this */
5180	# else
5181	MsiReg.cMsiVectors = 1;
5182	MsiReg.iMsiCapOffset = 0x80;
5183	MsiReg.iMsiNextOffset = 0x00;
5184	# endif
5185	rc = PDMDevHlpPCIRegisterMsi(pDevIns, &MsiReg);
5186	if (RT_FAILURE (rc))
5187	{
5188	/* That's OK, we can work without MSI */
5189	PDMPciDevSetCapabilityList(pPciDev, 0x0);
5190	}
5191	# endif
5192
5193	/* Region #0: I/O ports. */
5194	rc = PDMDevHlpPCIIORegionCreateIo(pDevIns, 0 /iPciRegion/, LSILOGIC_PCI_SPACE_IO_SIZE,
5195	lsilogicIOPortWrite, lsilogicIOPortRead, NULL /pvUser/,
5196	pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SPI ? "LsiLogic" : "LsiLogicSas",
5197	NULL /paExtDesc/, &pThis->hIoPortsReg);
5198	AssertRCReturn(rc, rc);
5199
5200	/* Region #1: MMIO.
5201	*
5202	* Non-4-byte read access to LSILOGIC_REG_REPLY_QUEUE may cause real strange behavior
5203	* because the data is part of a physical guest address. But some drivers use 1-byte
5204	* access to scan for SCSI controllers. So, we simplify our code by telling IOM to
5205	* read DWORDs.
5206	*
5207	* Regarding writes, we couldn't find anything specific in the specs about what should
5208	* happen. So far we've ignored unaligned writes and assumed the missing bytes of
5209	* byte and word access to be zero. We suspect that IOMMMIO_FLAGS_WRITE_ONLY_DWORD
5210	* or IOMMMIO_FLAGS_WRITE_DWORD_ZEROED would be the most appropriate here, but since we
5211	* don't have real hw to test one, the old behavior is kept exactly like it used to be.
5212	*/
5213	/** @todo Check out unaligned writes and non-dword writes on real LsiLogic
5214	* hardware. */
5215	rc = PDMDevHlpPCIIORegionCreateMmio(pDevIns, 1 /iPciRegion/, LSILOGIC_PCI_SPACE_MEM_SIZE, PCI_ADDRESS_SPACE_MEM,
5216	lsilogicMMIOWrite, lsilogicMMIORead, NULL /pvUser/,
5217	IOMMMIO_FLAGS_READ_DWORD \| IOMMMIO_FLAGS_WRITE_PASSTHRU,
5218	pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SPI ? "LsiLogic" : "LsiLogicSas",
5219	&pThis->hMmioReg);
5220	AssertRCReturn(rc, rc);
5221
5222	/* Region #2: MMIO - Diag. */
5223	rc = PDMDevHlpPCIIORegionCreateMmio(pDevIns, 2 /iPciRegion/, LSILOGIC_PCI_SPACE_MEM_SIZE, PCI_ADDRESS_SPACE_MEM,
5224	lsilogicDiagnosticWrite, lsilogicDiagnosticRead, NULL /pvUser/,
5225	IOMMMIO_FLAGS_READ_PASSTHRU \| IOMMMIO_FLAGS_WRITE_PASSTHRU,
5226	pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SPI ? "LsiLogicDiag" : "LsiLogicSasDiag",
5227	&pThis->hMmioDiag);
5228	AssertRCReturn(rc, rc);
5229
5230	/*
5231	* We need one entry free in the queue.
5232	*/
5233	pThis->cReplyQueueEntries++;
5234	AssertLogRelReturn(pThis->cReplyQueueEntries <= RT_ELEMENTS(pThis->aReplyFreeQueue), VERR_INTERNAL_ERROR_3);
5235	AssertLogRelReturn(pThis->cReplyQueueEntries <= RT_ELEMENTS(pThis->aReplyPostQueue), VERR_INTERNAL_ERROR_3);
5236
5237	pThis->cRequestQueueEntries++;
5238	AssertLogRelReturn(pThis->cRequestQueueEntries <= RT_ELEMENTS(pThis->aRequestQueue), VERR_INTERNAL_ERROR_3);
5239
5240	/*
5241	* Device states.
5242	*/
5243	if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SPI)
5244	pThis->cDeviceStates = pThis->cPorts * LSILOGICSCSI_PCI_SPI_DEVICES_PER_BUS_MAX;
5245	else if (pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SAS)
5246	pThis->cDeviceStates = pThis->cPorts * LSILOGICSCSI_PCI_SAS_DEVICES_PER_PORT_MAX;
5247	else
5248	AssertLogRelMsgFailedReturn(("Invalid controller type: %d\n", pThis->enmCtrlType), VERR_INTERNAL_ERROR_4);
5249
5250	/*
5251	* Create event semaphore and worker thread.
5252	*/
5253	rc = PDMDevHlpThreadCreate(pDevIns, &pThisCC->pThreadWrk, pThis, lsilogicR3Worker,
5254	lsilogicR3WorkerWakeUp, 0, RTTHREADTYPE_IO, szDevTag);
5255	if (RT_FAILURE(rc))
5256	return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
5257	N_("LsiLogic: Failed to create worker thread %s"), szDevTag);
5258
5259	rc = PDMDevHlpSUPSemEventCreate(pDevIns, &pThis->hEvtProcess);
5260	if (RT_FAILURE(rc))
5261	return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
5262	N_("LsiLogic: Failed to create SUP event semaphore"));
5263
5264	/*
5265	* Allocate device states.
5266	*/
5267	pThisCC->paDeviceStates = (PLSILOGICDEVICE)RTMemAllocZ(sizeof(LSILOGICDEVICE) * pThis->cDeviceStates);
5268	if (!pThisCC->paDeviceStates)
5269	return PDMDEV_SET_ERROR(pDevIns, rc, N_("Failed to allocate memory for device states"));
5270
5271	for (unsigned i = 0; i < pThis->cDeviceStates; i++)
5272	{
5273	PLSILOGICDEVICE pDevice = &pThisCC->paDeviceStates[i];
5274
5275	/* Initialize static parts of the device. */
5276	pDevice->iLUN = i;
5277	pDevice->pDevIns = pDevIns;
5278	pDevice->Led.u32Magic = PDMLED_MAGIC;
5279	pDevice->IBase.pfnQueryInterface = lsilogicR3DeviceQueryInterface;
5280	pDevice->IMediaPort.pfnQueryDeviceLocation = lsilogicR3QueryDeviceLocation;
5281	pDevice->IMediaExPort.pfnIoReqCompleteNotify = lsilogicR3IoReqCompleteNotify;
5282	pDevice->IMediaExPort.pfnIoReqCopyFromBuf = lsilogicR3IoReqCopyFromBuf;
5283	pDevice->IMediaExPort.pfnIoReqCopyToBuf = lsilogicR3IoReqCopyToBuf;
5284	pDevice->IMediaExPort.pfnIoReqQueryBuf = NULL;
5285	pDevice->IMediaExPort.pfnIoReqQueryDiscardRanges = NULL;
5286	pDevice->IMediaExPort.pfnIoReqStateChanged = lsilogicR3IoReqStateChanged;
5287	pDevice->IMediaExPort.pfnMediumEjected = lsilogicR3MediumEjected;
5288	pDevice->ILed.pfnQueryStatusLed = lsilogicR3DeviceQueryStatusLed;
5289	RTStrPrintf(pDevice->szName, sizeof(pDevice->szName), "Device%u", i);
5290
5291	/* Attach SCSI driver. */
5292	rc = PDMDevHlpDriverAttach(pDevIns, pDevice->iLUN, &pDevice->IBase, &pDevice->pDrvBase, pDevice->szName);
5293	if (RT_SUCCESS(rc))
5294	{
5295	/* Query the media interface. */
5296	pDevice->pDrvMedia = PDMIBASE_QUERY_INTERFACE(pDevice->pDrvBase, PDMIMEDIA);
5297	AssertMsgReturn(RT_VALID_PTR(pDevice->pDrvMedia),
5298	("LsiLogic configuration error: LUN#%d misses the basic media interface!\n", pDevice->iLUN),
5299	VERR_PDM_MISSING_INTERFACE);
5300
5301	/* Get the extended media interface. */
5302	pDevice->pDrvMediaEx = PDMIBASE_QUERY_INTERFACE(pDevice->pDrvBase, PDMIMEDIAEX);
5303	AssertMsgReturn(RT_VALID_PTR(pDevice->pDrvMediaEx),
5304	("LsiLogic configuration error: LUN#%d misses the extended media interface!\n", pDevice->iLUN),
5305	VERR_PDM_MISSING_INTERFACE);
5306
5307	rc = pDevice->pDrvMediaEx->pfnIoReqAllocSizeSet(pDevice->pDrvMediaEx, sizeof(LSILOGICREQ));
5308	if (RT_FAILURE(rc))
5309	return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
5310	N_("LsiLogic configuration error: LUN#%u: Failed to set I/O request size!"),
5311	pDevice->iLUN);
5312	}
5313	else if (rc == VERR_PDM_NO_ATTACHED_DRIVER)
5314	{
5315	pDevice->pDrvBase = NULL;
5316	rc = VINF_SUCCESS;
5317	Log(("LsiLogic: no driver attached to device %s\n", pDevice->szName));
5318	}
5319	else
5320	{
5321	AssertLogRelMsgFailed(("LsiLogic: Failed to attach %s\n", pDevice->szName));
5322	return rc;
5323	}
5324	}
5325
5326	/*
5327	* Attach status driver (optional).
5328	*/
5329	PPDMIBASE pBase;
5330	rc = PDMDevHlpDriverAttach(pDevIns, PDM_STATUS_LUN, &pThisCC->IBase, &pBase, "Status Port");
5331	if (RT_SUCCESS(rc))
5332	{
5333	pThisCC->pLedsConnector = PDMIBASE_QUERY_INTERFACE(pBase, PDMILEDCONNECTORS);
5334	pThisCC->pMediaNotify = PDMIBASE_QUERY_INTERFACE(pBase, PDMIMEDIANOTIFY);
5335	}
5336	else
5337	AssertMsgReturn(rc == VERR_PDM_NO_ATTACHED_DRIVER,
5338	("Failed to attach to status driver. rc=%Rrc\n", rc),
5339	PDMDEV_SET_ERROR(pDevIns, rc, N_("LsiLogic cannot attach to status driver")));
5340
5341	/* Register save state handlers. */
5342	rc = PDMDevHlpSSMRegisterEx(pDevIns, LSILOGIC_SAVED_STATE_VERSION, sizeof(*pThis), NULL,
5343	NULL, lsilogicR3LiveExec, NULL,
5344	NULL, lsilogicR3SaveExec, NULL,
5345	NULL, lsilogicR3LoadExec, lsilogicR3LoadDone);
5346	if (RT_FAILURE(rc))
5347	return PDMDEV_SET_ERROR(pDevIns, rc, N_("LsiLogic cannot register save state handlers"));
5348
5349	pThis->enmWhoInit = LSILOGICWHOINIT_SYSTEM_BIOS;
5350
5351	/*
5352	* Register the info item.
5353	*/
5354	char szTmp[128];
5355	RTStrPrintf(szTmp, sizeof(szTmp), "%s%u", pDevIns->pReg->szName, pDevIns->iInstance);
5356	PDMDevHlpDBGFInfoRegister(pDevIns, szTmp,
5357	pThis->enmCtrlType == LSILOGICCTRLTYPE_SCSI_SPI
5358	? "LsiLogic SPI info."
5359	: "LsiLogic SAS info.", lsilogicR3Info);
5360
5361	/* Allocate configuration pages. */
5362	rc = lsilogicR3ConfigurationPagesAlloc(pThis, pThisCC);
5363	if (RT_FAILURE(rc))
5364	PDMDEV_SET_ERROR(pDevIns, rc, N_("LsiLogic: Failed to allocate memory for configuration pages"));
5365
5366	/* Perform hard reset. */
5367	rc = lsilogicR3HardReset(pDevIns, pThis, pThisCC);
5368	AssertRC(rc);
5369
5370	return rc;
5371	}
5372
5373	#else /* !IN_RING3 */
5374
5375	/**
5376	* @callback_method_impl{PDMDEVREGR0,pfnConstruct}
5377	*/
5378	static DECLCALLBACK(int) lsilogicRZConstruct(PPDMDEVINS pDevIns)
5379	{
5380	PDMDEV_CHECK_VERSIONS_RETURN(pDevIns);
5381	PLSILOGICSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PLSILOGICSCSI);
5382
5383	/* Setup callbacks for this context: */
5384	int rc = PDMDevHlpIoPortSetUpContext(pDevIns, pThis->hIoPortsReg, lsilogicIOPortWrite, lsilogicIOPortRead, NULL /pvUser/);
5385	AssertRCReturn(rc, rc);
5386
5387	rc = PDMDevHlpMmioSetUpContext(pDevIns, pThis->hMmioReg, lsilogicMMIOWrite, lsilogicMMIORead, NULL /pvUser/);
5388	AssertRCReturn(rc, rc);
5389
5390	rc = PDMDevHlpMmioSetUpContext(pDevIns, pThis->hMmioDiag, lsilogicDiagnosticWrite, lsilogicDiagnosticRead, NULL /pvUser/);
5391	AssertRCReturn(rc, rc);
5392
5393	return VINF_SUCCESS;
5394	}
5395
5396	#endif /* !IN_RING3 */
5397
5398	/**
5399	* The device registration structure - SPI SCSI controller.
5400	*/
5401	const PDMDEVREG g_DeviceLsiLogicSCSI =
5402	{
5403	/* .u32Version = */ PDM_DEVREG_VERSION,
5404	/* .uReserved0 = */ 0,
5405	/* .szName = */ "lsilogicscsi",
5406	/* .fFlags = */ PDM_DEVREG_FLAGS_DEFAULT_BITS \| PDM_DEVREG_FLAGS_RZ \| PDM_DEVREG_FLAGS_NEW_STYLE
5407	\| PDM_DEVREG_FLAGS_FIRST_SUSPEND_NOTIFICATION \| PDM_DEVREG_FLAGS_FIRST_POWEROFF_NOTIFICATION,
5408	/* .fClass = */ PDM_DEVREG_CLASS_STORAGE,
5409	/* .cMaxInstances = */ ~0U,
5410	/* .uSharedVersion = */ 42,
5411	/* .cbInstanceShared = */ sizeof(LSILOGICSCSI),
5412	/* .cbInstanceCC = */ sizeof(LSILOGICSCSICC),
5413	/* .cbInstanceRC = */ sizeof(LSILOGICSCSIRC),
5414	/* .cMaxPciDevices = */ 1,
5415	/* .cMaxMsixVectors = */ 0,
5416	/* .pszDescription = */ "LSI Logic 53c1030 SCSI controller.\n",
5417	#if defined(IN_RING3)
5418	/* .pszRCMod = */ "VBoxDDRC.rc",
5419	/* .pszR0Mod = */ "VBoxDDR0.r0",
5420	/* .pfnConstruct = */ lsilogicR3Construct,
5421	/* .pfnDestruct = */ lsilogicR3Destruct,
5422	/* .pfnRelocate = */ NULL,
5423	/* .pfnMemSetup = */ NULL,
5424	/* .pfnPowerOn = */ NULL,
5425	/* .pfnReset = */ lsilogicR3Reset,
5426	/* .pfnSuspend = */ lsilogicR3Suspend,
5427	/* .pfnResume = */ lsilogicR3Resume,
5428	/* .pfnAttach = */ lsilogicR3Attach,
5429	/* .pfnDetach = */ lsilogicR3Detach,
5430	/* .pfnQueryInterface = */ NULL,
5431	/* .pfnInitComplete = */ NULL,
5432	/* .pfnPowerOff = */ lsilogicR3PowerOff,
5433	/* .pfnSoftReset = */ NULL,
5434	/* .pfnReserved0 = */ NULL,
5435	/* .pfnReserved1 = */ NULL,
5436	/* .pfnReserved2 = */ NULL,
5437	/* .pfnReserved3 = */ NULL,
5438	/* .pfnReserved4 = */ NULL,
5439	/* .pfnReserved5 = */ NULL,
5440	/* .pfnReserved6 = */ NULL,
5441	/* .pfnReserved7 = */ NULL,
5442	#elif defined(IN_RING0)
5443	/* .pfnEarlyConstruct = */ NULL,
5444	/* .pfnConstruct = */ lsilogicRZConstruct,
5445	/* .pfnDestruct = */ NULL,
5446	/* .pfnFinalDestruct = */ NULL,
5447	/* .pfnRequest = */ NULL,
5448	/* .pfnReserved0 = */ NULL,
5449	/* .pfnReserved1 = */ NULL,
5450	/* .pfnReserved2 = */ NULL,
5451	/* .pfnReserved3 = */ NULL,
5452	/* .pfnReserved4 = */ NULL,
5453	/* .pfnReserved5 = */ NULL,
5454	/* .pfnReserved6 = */ NULL,
5455	/* .pfnReserved7 = */ NULL,
5456	#elif defined(IN_RC)
5457	/* .pfnConstruct = */ lsilogicRZConstruct,
5458	/* .pfnReserved0 = */ NULL,
5459	/* .pfnReserved1 = */ NULL,
5460	/* .pfnReserved2 = */ NULL,
5461	/* .pfnReserved3 = */ NULL,
5462	/* .pfnReserved4 = */ NULL,
5463	/* .pfnReserved5 = */ NULL,
5464	/* .pfnReserved6 = */ NULL,
5465	/* .pfnReserved7 = */ NULL,
5466	#else
5467	# error "Not in IN_RING3, IN_RING0 or IN_RC!"
5468	#endif
5469	/* .u32VersionEnd = */ PDM_DEVREG_VERSION
5470	};
5471
5472	/**
5473	* The device registration structure - SAS controller.
5474	*/
5475	const PDMDEVREG g_DeviceLsiLogicSAS =
5476	{
5477	/* .u32Version = */ PDM_DEVREG_VERSION,
5478	/* .uReserved0 = */ 0,
5479	/* .szName = */ "lsilogicsas",
5480	/* .fFlags = */ PDM_DEVREG_FLAGS_DEFAULT_BITS \| PDM_DEVREG_FLAGS_RZ \| PDM_DEVREG_FLAGS_NEW_STYLE
5481	\| PDM_DEVREG_FLAGS_FIRST_SUSPEND_NOTIFICATION \| PDM_DEVREG_FLAGS_FIRST_POWEROFF_NOTIFICATION
5482	\| PDM_DEVREG_FLAGS_FIRST_RESET_NOTIFICATION,
5483	/* .fClass = */ PDM_DEVREG_CLASS_STORAGE,
5484	/* .cMaxInstances = */ ~0U,
5485	/* .uSharedVersion = */ 42,
5486	/* .cbInstanceShared = */ sizeof(LSILOGICSCSI),
5487	/* .cbInstanceCC = */ sizeof(LSILOGICSCSICC),
5488	/* .cbInstanceRC = */ sizeof(LSILOGICSCSIRC),
5489	/* .cMaxPciDevices = */ 1,
5490	/* .cMaxMsixVectors = */ 0,
5491	/* .pszDescription = */ "LSI Logic SAS1068 controller.\n",
5492	#if defined(IN_RING3)
5493	/* .pszRCMod = */ "VBoxDDRC.rc",
5494	/* .pszR0Mod = */ "VBoxDDR0.r0",
5495	/* .pfnConstruct = */ lsilogicR3Construct,
5496	/* .pfnDestruct = */ lsilogicR3Destruct,
5497	/* .pfnRelocate = */ NULL,
5498	/* .pfnMemSetup = */ NULL,
5499	/* .pfnPowerOn = */ NULL,
5500	/* .pfnReset = */ lsilogicR3Reset,
5501	/* .pfnSuspend = */ lsilogicR3Suspend,
5502	/* .pfnResume = */ lsilogicR3Resume,
5503	/* .pfnAttach = */ lsilogicR3Attach,
5504	/* .pfnDetach = */ lsilogicR3Detach,
5505	/* .pfnQueryInterface = */ NULL,
5506	/* .pfnInitComplete = */ NULL,
5507	/* .pfnPowerOff = */ lsilogicR3PowerOff,
5508	/* .pfnSoftReset = */ NULL,
5509	/* .pfnReserved0 = */ NULL,
5510	/* .pfnReserved1 = */ NULL,
5511	/* .pfnReserved2 = */ NULL,
5512	/* .pfnReserved3 = */ NULL,
5513	/* .pfnReserved4 = */ NULL,
5514	/* .pfnReserved5 = */ NULL,
5515	/* .pfnReserved6 = */ NULL,
5516	/* .pfnReserved7 = */ NULL,
5517	#elif defined(IN_RING0)
5518	/* .pfnEarlyConstruct = */ NULL,
5519	/* .pfnConstruct = */ lsilogicRZConstruct,
5520	/* .pfnDestruct = */ NULL,
5521	/* .pfnFinalDestruct = */ NULL,
5522	/* .pfnRequest = */ NULL,
5523	/* .pfnReserved0 = */ NULL,
5524	/* .pfnReserved1 = */ NULL,
5525	/* .pfnReserved2 = */ NULL,
5526	/* .pfnReserved3 = */ NULL,
5527	/* .pfnReserved4 = */ NULL,
5528	/* .pfnReserved5 = */ NULL,
5529	/* .pfnReserved6 = */ NULL,
5530	/* .pfnReserved7 = */ NULL,
5531	#elif defined(IN_RC)
5532	/* .pfnConstruct = */ lsilogicRZConstruct,
5533	/* .pfnReserved0 = */ NULL,
5534	/* .pfnReserved1 = */ NULL,
5535	/* .pfnReserved2 = */ NULL,
5536	/* .pfnReserved3 = */ NULL,
5537	/* .pfnReserved4 = */ NULL,
5538	/* .pfnReserved5 = */ NULL,
5539	/* .pfnReserved6 = */ NULL,
5540	/* .pfnReserved7 = */ NULL,
5541	#else
5542	# error "Not in IN_RING3, IN_RING0 or IN_RC!"
5543	#endif
5544	/* .u32VersionEnd = */ PDM_DEVREG_VERSION
5545	};
5546
5547	#endif /* !VBOX_DEVICE_STRUCT_TESTCASE */

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source: vbox/trunk/src/VBox/Devices/Storage/DevLsiLogicSCSI.cpp@ 99286

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