VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMR3/PDMDevMiscHlp.cpp@ 85972

Last change on this file since 85972 was 84826, checked in by vboxsync, 5 years ago

AMD IOMMU: bugref:9654 PDM interface changes for supplying bus:device:function for devices' initiating PCI interrupts and MSIs.
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1/* $Id: PDMDevMiscHlp.cpp 84826 2020-06-15 08:20:40Z vboxsync $ */
2/** @file
3 * PDM - Pluggable Device and Driver Manager, Misc. Device Helpers.
4 */
5
6/*
7 * Copyright (C) 2006-2020 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18
19/*********************************************************************************************************************************
20* Header Files *
21*********************************************************************************************************************************/
22#define LOG_GROUP LOG_GROUP_PDM_DEVICE
23#include "PDMInternal.h"
24#include <VBox/vmm/pdm.h>
25#include <VBox/vmm/pgm.h>
26#include <VBox/vmm/hm.h>
27#include <VBox/vmm/apic.h>
28#include <VBox/vmm/vm.h>
29#include <VBox/vmm/vmm.h>
30
31#include <VBox/log.h>
32#include <VBox/err.h>
33#include <VBox/msi.h>
34#include <iprt/asm.h>
35#include <iprt/assert.h>
36#include <iprt/thread.h>
37
38
39#include "PDMInline.h"
40#include "dtrace/VBoxVMM.h"
41
42
43
44/** @name Ring-3 PIC Helpers
45 * @{
46 */
47
48/** @interface_method_impl{PDMPICHLP,pfnSetInterruptFF} */
49static DECLCALLBACK(void) pdmR3PicHlp_SetInterruptFF(PPDMDEVINS pDevIns)
50{
51 PDMDEV_ASSERT_DEVINS(pDevIns);
52 PVM pVM = pDevIns->Internal.s.pVMR3;
53 PVMCPU pVCpu = pVM->apCpusR3[0]; /* for PIC we always deliver to CPU 0, SMP uses APIC */
54
55 /* IRQ state should be loaded as-is by "LoadExec". Changes can be made from LoadDone. */
56 Assert(pVM->enmVMState != VMSTATE_LOADING || pVM->pdm.s.fStateLoaded);
57
58 APICLocalInterrupt(pVCpu, 0 /* u8Pin */, 1 /* u8Level */, VINF_SUCCESS /* rcRZ */);
59}
60
61
62/** @interface_method_impl{PDMPICHLP,pfnClearInterruptFF} */
63static DECLCALLBACK(void) pdmR3PicHlp_ClearInterruptFF(PPDMDEVINS pDevIns)
64{
65 PDMDEV_ASSERT_DEVINS(pDevIns);
66 PVM pVM = pDevIns->Internal.s.pVMR3;
67 PVMCPU pVCpu = pVM->apCpusR3[0]; /* for PIC we always deliver to CPU 0, SMP uses APIC */
68
69 /* IRQ state should be loaded as-is by "LoadExec". Changes can be made from LoadDone. */
70 Assert(pVM->enmVMState != VMSTATE_LOADING || pVM->pdm.s.fStateLoaded);
71
72 APICLocalInterrupt(pVCpu, 0 /* u8Pin */, 0 /* u8Level */, VINF_SUCCESS /* rcRZ */);
73}
74
75
76/** @interface_method_impl{PDMPICHLP,pfnLock} */
77static DECLCALLBACK(int) pdmR3PicHlp_Lock(PPDMDEVINS pDevIns, int rc)
78{
79 PDMDEV_ASSERT_DEVINS(pDevIns);
80 return pdmLockEx(pDevIns->Internal.s.pVMR3, rc);
81}
82
83
84/** @interface_method_impl{PDMPICHLP,pfnUnlock} */
85static DECLCALLBACK(void) pdmR3PicHlp_Unlock(PPDMDEVINS pDevIns)
86{
87 PDMDEV_ASSERT_DEVINS(pDevIns);
88 pdmUnlock(pDevIns->Internal.s.pVMR3);
89}
90
91
92/**
93 * PIC Device Helpers.
94 */
95const PDMPICHLP g_pdmR3DevPicHlp =
96{
97 PDM_PICHLP_VERSION,
98 pdmR3PicHlp_SetInterruptFF,
99 pdmR3PicHlp_ClearInterruptFF,
100 pdmR3PicHlp_Lock,
101 pdmR3PicHlp_Unlock,
102 PDM_PICHLP_VERSION /* the end */
103};
104
105/** @} */
106
107
108/** @name Ring-3 I/O APIC Helpers
109 * @{
110 */
111
112/** @interface_method_impl{PDMIOAPICHLP,pfnApicBusDeliver} */
113static DECLCALLBACK(int) pdmR3IoApicHlp_ApicBusDeliver(PPDMDEVINS pDevIns, uint8_t u8Dest, uint8_t u8DestMode,
114 uint8_t u8DeliveryMode, uint8_t uVector, uint8_t u8Polarity,
115 uint8_t u8TriggerMode, uint32_t uTagSrc)
116{
117 PDMDEV_ASSERT_DEVINS(pDevIns);
118 PVM pVM = pDevIns->Internal.s.pVMR3;
119 LogFlow(("pdmR3IoApicHlp_ApicBusDeliver: caller='%s'/%d: u8Dest=%RX8 u8DestMode=%RX8 u8DeliveryMode=%RX8 uVector=%RX8 u8Polarity=%RX8 u8TriggerMode=%RX8 uTagSrc=%#x\n",
120 pDevIns->pReg->szName, pDevIns->iInstance, u8Dest, u8DestMode, u8DeliveryMode, uVector, u8Polarity, u8TriggerMode, uTagSrc));
121 return APICBusDeliver(pVM, u8Dest, u8DestMode, u8DeliveryMode, uVector, u8Polarity, u8TriggerMode, uTagSrc);
122}
123
124
125/** @interface_method_impl{PDMIOAPICHLP,pfnLock} */
126static DECLCALLBACK(int) pdmR3IoApicHlp_Lock(PPDMDEVINS pDevIns, int rc)
127{
128 PDMDEV_ASSERT_DEVINS(pDevIns);
129 LogFlow(("pdmR3IoApicHlp_Lock: caller='%s'/%d: rc=%Rrc\n", pDevIns->pReg->szName, pDevIns->iInstance, rc));
130 return pdmLockEx(pDevIns->Internal.s.pVMR3, rc);
131}
132
133
134/** @interface_method_impl{PDMIOAPICHLP,pfnUnlock} */
135static DECLCALLBACK(void) pdmR3IoApicHlp_Unlock(PPDMDEVINS pDevIns)
136{
137 PDMDEV_ASSERT_DEVINS(pDevIns);
138 LogFlow(("pdmR3IoApicHlp_Unlock: caller='%s'/%d:\n", pDevIns->pReg->szName, pDevIns->iInstance));
139 pdmUnlock(pDevIns->Internal.s.pVMR3);
140}
141
142
143/** @interface_method_impl{PDMIOAPICHLP,pfnIommuMsiRemap} */
144static DECLCALLBACK(int) pdmR3IoApicHlp_IommuMsiRemap(PPDMDEVINS pDevIns, uint16_t uDevId, PCMSIMSG pMsiIn, PMSIMSG pMsiOut)
145{
146 PDMDEV_ASSERT_DEVINS(pDevIns);
147 LogFlow(("pdmR3IoApicHlp_IommuRemapMsi: caller='%s'/%d: pMsiIn=(%#RX64, %#RU32)\n", pDevIns->pReg->szName,
148 pDevIns->iInstance, pMsiIn->Addr.u64, pMsiIn->Data.u32));
149
150#ifdef VBOX_WITH_IOMMU_AMD
151 /** @todo IOMMU: Optimize/re-organize things here later. */
152 PVM pVM = pDevIns->Internal.s.pVMR3;
153 PPDMIOMMU pIommu = &pVM->pdm.s.aIommus[0];
154 PPDMDEVINS pDevInsIommu = pIommu->CTX_SUFF(pDevIns);
155 if ( pDevInsIommu
156 && pDevInsIommu != pDevIns)
157 {
158 int rc = pIommu->pfnMsiRemap(pDevInsIommu, uDevId, pMsiIn, pMsiOut);
159 if (RT_FAILURE(rc))
160 {
161 Log(("pdmR3IoApicHlp_IommuRemapMsi: IOMMU MSI remap failed. uDevId=%#x pMsiIn=(%#RX64, %#RU32) rc=%Rrc\n",
162 uDevId, pMsiIn->Addr.u64, pMsiIn->Data.u32, rc));
163 return rc;
164 }
165 }
166#else
167 RT_NOREF(pDevIns, uDevId);
168 *pMsiOut = *pMsiIn;
169#endif
170 return VINF_SUCCESS;
171}
172
173
174/**
175 * I/O APIC Device Helpers.
176 */
177const PDMIOAPICHLP g_pdmR3DevIoApicHlp =
178{
179 PDM_IOAPICHLP_VERSION,
180 pdmR3IoApicHlp_ApicBusDeliver,
181 pdmR3IoApicHlp_Lock,
182 pdmR3IoApicHlp_Unlock,
183 pdmR3IoApicHlp_IommuMsiRemap,
184 PDM_IOAPICHLP_VERSION /* the end */
185};
186
187/** @} */
188
189
190
191
192/** @name Ring-3 PCI Bus Helpers
193 * @{
194 */
195
196/** @interface_method_impl{PDMPCIHLPR3,pfnIsaSetIrq} */
197static DECLCALLBACK(void) pdmR3PciHlp_IsaSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel, uint32_t uTagSrc)
198{
199 PDMDEV_ASSERT_DEVINS(pDevIns);
200 Log4(("pdmR3PciHlp_IsaSetIrq: iIrq=%d iLevel=%d uTagSrc=%#x\n", iIrq, iLevel, uTagSrc));
201 PDMIsaSetIrq(pDevIns->Internal.s.pVMR3, iIrq, iLevel, uTagSrc);
202}
203
204
205/** @interface_method_impl{PDMPCIHLPR3,pfnIoApicSetIrq} */
206static DECLCALLBACK(void) pdmR3PciHlp_IoApicSetIrq(PPDMDEVINS pDevIns, PCIBDF uBusDevFn, int iIrq, int iLevel, uint32_t uTagSrc)
207{
208 PDMDEV_ASSERT_DEVINS(pDevIns);
209 Log4(("pdmR3PciHlp_IoApicSetIrq: uBusDevFn=%#x iIrq=%d iLevel=%d uTagSrc=%#x\n", uBusDevFn, iIrq, iLevel, uTagSrc));
210 PDMIoApicSetIrq(pDevIns->Internal.s.pVMR3, uBusDevFn, iIrq, iLevel, uTagSrc);
211}
212
213
214/** @interface_method_impl{PDMPCIHLPR3,pfnIoApicSendMsi} */
215static DECLCALLBACK(void) pdmR3PciHlp_IoApicSendMsi(PPDMDEVINS pDevIns, PCIBDF uBusDevFn, PCMSIMSG pMsi, uint32_t uTagSrc)
216{
217 PDMDEV_ASSERT_DEVINS(pDevIns);
218 Assert(PCIBDF_IS_VALID(uBusDevFn));
219 Log4(("pdmR3PciHlp_IoApicSendMsi: uBusDevFn=%#x Msi (Addr=%#RX64 Data=%#x) uTagSrc=%#x\n", uBusDevFn,
220 pMsi->Addr.u64, pMsi->Data.u32, uTagSrc));
221 PDMIoApicSendMsi(pDevIns->Internal.s.pVMR3, uBusDevFn, pMsi, uTagSrc);
222}
223
224
225/** @interface_method_impl{PDMPCIHLPR3,pfnLock} */
226static DECLCALLBACK(int) pdmR3PciHlp_Lock(PPDMDEVINS pDevIns, int rc)
227{
228 PDMDEV_ASSERT_DEVINS(pDevIns);
229 LogFlow(("pdmR3PciHlp_Lock: caller='%s'/%d: rc=%Rrc\n", pDevIns->pReg->szName, pDevIns->iInstance, rc));
230 return pdmLockEx(pDevIns->Internal.s.pVMR3, rc);
231}
232
233
234/** @interface_method_impl{PDMPCIHLPR3,pfnUnlock} */
235static DECLCALLBACK(void) pdmR3PciHlp_Unlock(PPDMDEVINS pDevIns)
236{
237 PDMDEV_ASSERT_DEVINS(pDevIns);
238 LogFlow(("pdmR3PciHlp_Unlock: caller='%s'/%d:\n", pDevIns->pReg->szName, pDevIns->iInstance));
239 pdmUnlock(pDevIns->Internal.s.pVMR3);
240}
241
242
243/** @interface_method_impl{PDMPCIHLPR3,pfnGetBusByNo} */
244static DECLCALLBACK(PPDMDEVINS) pdmR3PciHlp_GetBusByNo(PPDMDEVINS pDevIns, uint32_t idxPdmBus)
245{
246 PDMDEV_ASSERT_DEVINS(pDevIns);
247 PVM pVM = pDevIns->Internal.s.pVMR3;
248 AssertReturn(idxPdmBus < RT_ELEMENTS(pVM->pdm.s.aPciBuses), NULL);
249 PPDMDEVINS pRetDevIns = pVM->pdm.s.aPciBuses[idxPdmBus].pDevInsR3;
250 LogFlow(("pdmR3PciHlp_GetBusByNo: caller='%s'/%d: returns %p\n", pDevIns->pReg->szName, pDevIns->iInstance, pRetDevIns));
251 return pRetDevIns;
252}
253
254
255/**
256 * PCI Bus Device Helpers.
257 */
258const PDMPCIHLPR3 g_pdmR3DevPciHlp =
259{
260 PDM_PCIHLPR3_VERSION,
261 pdmR3PciHlp_IsaSetIrq,
262 pdmR3PciHlp_IoApicSetIrq,
263 pdmR3PciHlp_IoApicSendMsi,
264 pdmR3PciHlp_Lock,
265 pdmR3PciHlp_Unlock,
266 pdmR3PciHlp_GetBusByNo,
267 PDM_PCIHLPR3_VERSION, /* the end */
268};
269
270/** @} */
271
272
273/**
274 * IOMMU Device Helpers.
275 */
276const PDMIOMMUHLPR3 g_pdmR3DevIommuHlp =
277{
278 PDM_IOMMUHLPR3_VERSION,
279 PDM_IOMMUHLPR3_VERSION /* the end */
280};
281
282
283/** @name Ring-3 HPET Helpers
284 * @{
285 */
286
287/** @interface_method_impl{PDMHPETHLPR3,pfnSetLegacyMode} */
288static DECLCALLBACK(int) pdmR3HpetHlp_SetLegacyMode(PPDMDEVINS pDevIns, bool fActivated)
289{
290 PDMDEV_ASSERT_DEVINS(pDevIns);
291 LogFlow(("pdmR3HpetHlp_SetLegacyMode: caller='%s'/%d: fActivated=%RTbool\n", pDevIns->pReg->szName, pDevIns->iInstance, fActivated));
292
293 size_t i;
294 int rc = VINF_SUCCESS;
295 static const char * const s_apszDevsToNotify[] =
296 {
297 "i8254",
298 "mc146818"
299 };
300 for (i = 0; i < RT_ELEMENTS(s_apszDevsToNotify); i++)
301 {
302 PPDMIBASE pBase;
303 rc = PDMR3QueryDevice(pDevIns->Internal.s.pVMR3->pUVM, "i8254", 0, &pBase);
304 if (RT_SUCCESS(rc))
305 {
306 PPDMIHPETLEGACYNOTIFY pPort = PDMIBASE_QUERY_INTERFACE(pBase, PDMIHPETLEGACYNOTIFY);
307 AssertLogRelMsgBreakStmt(pPort, ("%s\n", s_apszDevsToNotify[i]), rc = VERR_PDM_HPET_LEGACY_NOTIFY_MISSING);
308 pPort->pfnModeChanged(pPort, fActivated);
309 }
310 else if ( rc == VERR_PDM_DEVICE_NOT_FOUND
311 || rc == VERR_PDM_DEVICE_INSTANCE_NOT_FOUND)
312 rc = VINF_SUCCESS; /* the device isn't configured, ignore. */
313 else
314 AssertLogRelMsgFailedBreak(("%s -> %Rrc\n", s_apszDevsToNotify[i], rc));
315 }
316
317 /* Don't bother cleaning up, any failure here will cause a guru meditation. */
318
319 LogFlow(("pdmR3HpetHlp_SetLegacyMode: caller='%s'/%d: returns %Rrc\n", pDevIns->pReg->szName, pDevIns->iInstance, rc));
320 return rc;
321}
322
323
324/** @interface_method_impl{PDMHPETHLPR3,pfnSetIrq} */
325static DECLCALLBACK(int) pdmR3HpetHlp_SetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
326{
327 PDMDEV_ASSERT_DEVINS(pDevIns);
328 LogFlow(("pdmR3HpetHlp_SetIrq: caller='%s'/%d: iIrq=%d iLevel=%d\n", pDevIns->pReg->szName, pDevIns->iInstance, iIrq, iLevel));
329 PVM pVM = pDevIns->Internal.s.pVMR3;
330
331 pdmLock(pVM);
332 uint32_t uTagSrc;
333 if (iLevel & PDM_IRQ_LEVEL_HIGH)
334 {
335 pDevIns->Internal.s.uLastIrqTag = uTagSrc = pdmCalcIrqTag(pVM, pDevIns->idTracing);
336 if (iLevel == PDM_IRQ_LEVEL_HIGH)
337 VBOXVMM_PDM_IRQ_HIGH(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
338 else
339 VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
340 }
341 else
342 uTagSrc = pDevIns->Internal.s.uLastIrqTag;
343
344 PDMIsaSetIrq(pVM, iIrq, iLevel, uTagSrc); /* (The API takes the lock recursively.) */
345
346 if (iLevel == PDM_IRQ_LEVEL_LOW)
347 VBOXVMM_PDM_IRQ_LOW(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
348 pdmUnlock(pVM);
349 return 0;
350}
351
352
353/**
354 * HPET Device Helpers.
355 */
356const PDMHPETHLPR3 g_pdmR3DevHpetHlp =
357{
358 PDM_HPETHLPR3_VERSION,
359 pdmR3HpetHlp_SetLegacyMode,
360 pdmR3HpetHlp_SetIrq,
361 PDM_HPETHLPR3_VERSION, /* the end */
362};
363
364/** @} */
365
366
367/** @name Ring-3 Raw PCI Device Helpers
368 * @{
369 */
370
371/** @interface_method_impl{PDMPCIRAWHLPR3,pfnGetRCHelpers} */
372static DECLCALLBACK(PCPDMPCIRAWHLPRC) pdmR3PciRawHlp_GetRCHelpers(PPDMDEVINS pDevIns)
373{
374 PDMDEV_ASSERT_DEVINS(pDevIns);
375 PVM pVM = pDevIns->Internal.s.pVMR3;
376 VM_ASSERT_EMT(pVM);
377
378 RTRCPTR pRCHelpers = NIL_RTRCPTR;
379 if (VM_IS_RAW_MODE_ENABLED(pVM))
380 {
381 int rc = PDMR3LdrGetSymbolRC(pVM, NULL, "g_pdmRCPciRawHlp", &pRCHelpers);
382 AssertReleaseRC(rc);
383 AssertRelease(pRCHelpers);
384 }
385
386 LogFlow(("pdmR3PciRawHlp_GetGCHelpers: caller='%s'/%d: returns %RRv\n",
387 pDevIns->pReg->szName, pDevIns->iInstance, pRCHelpers));
388 return pRCHelpers;
389}
390
391
392/** @interface_method_impl{PDMPCIRAWHLPR3,pfnGetR0Helpers} */
393static DECLCALLBACK(PCPDMPCIRAWHLPR0) pdmR3PciRawHlp_GetR0Helpers(PPDMDEVINS pDevIns)
394{
395 PDMDEV_ASSERT_DEVINS(pDevIns);
396 PVM pVM = pDevIns->Internal.s.pVMR3;
397 VM_ASSERT_EMT(pVM);
398 PCPDMHPETHLPR0 pR0Helpers = NIL_RTR0PTR;
399 int rc = PDMR3LdrGetSymbolR0(pVM, NULL, "g_pdmR0PciRawHlp", &pR0Helpers);
400 AssertReleaseRC(rc);
401 AssertRelease(pR0Helpers);
402 LogFlow(("pdmR3PciRawHlp_GetR0Helpers: caller='%s'/%d: returns %RHv\n",
403 pDevIns->pReg->szName, pDevIns->iInstance, pR0Helpers));
404 return pR0Helpers;
405}
406
407
408/**
409 * Raw PCI Device Helpers.
410 */
411const PDMPCIRAWHLPR3 g_pdmR3DevPciRawHlp =
412{
413 PDM_PCIRAWHLPR3_VERSION,
414 pdmR3PciRawHlp_GetRCHelpers,
415 pdmR3PciRawHlp_GetR0Helpers,
416 PDM_PCIRAWHLPR3_VERSION, /* the end */
417};
418
419/** @} */
420
421
422/* none yet */
423
424/**
425 * Firmware Device Helpers.
426 */
427const PDMFWHLPR3 g_pdmR3DevFirmwareHlp =
428{
429 PDM_FWHLPR3_VERSION,
430 PDM_FWHLPR3_VERSION
431};
432
433/**
434 * DMAC Device Helpers.
435 */
436const PDMDMACHLP g_pdmR3DevDmacHlp =
437{
438 PDM_DMACHLP_VERSION
439};
440
441
442
443
444/* none yet */
445
446/**
447 * RTC Device Helpers.
448 */
449const PDMRTCHLP g_pdmR3DevRtcHlp =
450{
451 PDM_RTCHLP_VERSION
452};
453
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