/* $Id: PDMDriver.cpp 40274 2012-02-28 13:17:35Z vboxsync $ */ /** @file * PDM - Pluggable Device and Driver Manager, Driver parts. */ /* * Copyright (C) 2006-2010 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. */ /******************************************************************************* * Header Files * *******************************************************************************/ #define LOG_GROUP LOG_GROUP_PDM_DRIVER #include "PDMInternal.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /******************************************************************************* * Structures and Typedefs * *******************************************************************************/ /** * Internal callback structure pointer. * * The main purpose is to define the extra data we associate * with PDMDRVREGCB so we can find the VM instance and so on. */ typedef struct PDMDRVREGCBINT { /** The callback structure. */ PDMDRVREGCB Core; /** A bit of padding. */ uint32_t u32[4]; /** VM Handle. */ PVM pVM; /** Pointer to the configuration node the registrations should be * associated with. Can be NULL. */ PCFGMNODE pCfgNode; } PDMDRVREGCBINT, *PPDMDRVREGCBINT; typedef const PDMDRVREGCBINT *PCPDMDRVREGCBINT; /******************************************************************************* * Internal Functions * *******************************************************************************/ static DECLCALLBACK(int) pdmR3DrvRegister(PCPDMDRVREGCB pCallbacks, PCPDMDRVREG pReg); static int pdmR3DrvLoad(PVM pVM, PPDMDRVREGCBINT pRegCB, const char *pszFilename, const char *pszName); /** * Register drivers in a statically linked environment. * * @returns VBox status code. * @param pVM The VM to operate on. * @param pfnCallback Driver registration callback */ VMMR3DECL(int) PDMR3DrvStaticRegistration(PVM pVM, FNPDMVBOXDRIVERSREGISTER pfnCallback) { /* * The registration callbacks. */ PDMDRVREGCBINT RegCB; RegCB.Core.u32Version = PDM_DRVREG_CB_VERSION; RegCB.Core.pfnRegister = pdmR3DrvRegister; RegCB.pVM = pVM; RegCB.pCfgNode = NULL; int rc = pfnCallback(&RegCB.Core, VBOX_VERSION); if (RT_FAILURE(rc)) AssertMsgFailed(("VBoxDriversRegister failed with rc=%Rrc\n")); return rc; } /** * This function will initialize the drivers for this VM instance. * * First of all this mean loading the builtin drivers and letting them * register themselves. Beyond that any additional driver modules are * loaded and called for registration. * * @returns VBox status code. * @param pVM VM Handle. */ int pdmR3DrvInit(PVM pVM) { LogFlow(("pdmR3DrvInit:\n")); AssertRelease(!(RT_OFFSETOF(PDMDRVINS, achInstanceData) & 15)); PPDMDRVINS pDrvInsAssert; NOREF(pDrvInsAssert); AssertCompile(sizeof(pDrvInsAssert->Internal.s) <= sizeof(pDrvInsAssert->Internal.padding)); AssertRelease(sizeof(pDrvInsAssert->Internal.s) <= sizeof(pDrvInsAssert->Internal.padding)); /* * The registration callbacks. */ PDMDRVREGCBINT RegCB; RegCB.Core.u32Version = PDM_DRVREG_CB_VERSION; RegCB.Core.pfnRegister = pdmR3DrvRegister; RegCB.pVM = pVM; RegCB.pCfgNode = NULL; /* * Load the builtin module */ PCFGMNODE pDriversNode = CFGMR3GetChild(CFGMR3GetRoot(pVM), "PDM/Drivers"); bool fLoadBuiltin; int rc = CFGMR3QueryBool(pDriversNode, "LoadBuiltin", &fLoadBuiltin); if (rc == VERR_CFGM_VALUE_NOT_FOUND || rc == VERR_CFGM_NO_PARENT) fLoadBuiltin = true; else if (RT_FAILURE(rc)) { AssertMsgFailed(("Configuration error: Querying boolean \"LoadBuiltin\" failed with %Rrc\n", rc)); return rc; } if (fLoadBuiltin) { /* make filename */ char *pszFilename = pdmR3FileR3("VBoxDD", true /*fShared*/); if (!pszFilename) return VERR_NO_TMP_MEMORY; rc = pdmR3DrvLoad(pVM, &RegCB, pszFilename, "VBoxDD"); RTMemTmpFree(pszFilename); if (RT_FAILURE(rc)) return rc; } /* * Load additional driver modules. */ for (PCFGMNODE pCur = CFGMR3GetFirstChild(pDriversNode); pCur; pCur = CFGMR3GetNextChild(pCur)) { /* * Get the name and path. */ char szName[PDMMOD_NAME_LEN]; rc = CFGMR3GetName(pCur, &szName[0], sizeof(szName)); if (rc == VERR_CFGM_NOT_ENOUGH_SPACE) { AssertMsgFailed(("configuration error: The module name is too long, cchName=%zu.\n", CFGMR3GetNameLen(pCur))); return VERR_PDM_MODULE_NAME_TOO_LONG; } else if (RT_FAILURE(rc)) { AssertMsgFailed(("CFGMR3GetName -> %Rrc.\n", rc)); return rc; } /* the path is optional, if no path the module name + path is used. */ char szFilename[RTPATH_MAX]; rc = CFGMR3QueryString(pCur, "Path", &szFilename[0], sizeof(szFilename)); if (rc == VERR_CFGM_VALUE_NOT_FOUND || rc == VERR_CFGM_NO_PARENT) strcpy(szFilename, szName); else if (RT_FAILURE(rc)) { AssertMsgFailed(("configuration error: Failure to query the module path, rc=%Rrc.\n", rc)); return rc; } /* prepend path? */ if (!RTPathHavePath(szFilename)) { char *psz = pdmR3FileR3(szFilename, false /*fShared*/); if (!psz) return VERR_NO_TMP_MEMORY; size_t cch = strlen(psz) + 1; if (cch > sizeof(szFilename)) { RTMemTmpFree(psz); AssertMsgFailed(("Filename too long! cch=%d '%s'\n", cch, psz)); return VERR_FILENAME_TOO_LONG; } memcpy(szFilename, psz, cch); RTMemTmpFree(psz); } /* * Load the module and register it's drivers. */ RegCB.pCfgNode = pCur; rc = pdmR3DrvLoad(pVM, &RegCB, szFilename, szName); if (RT_FAILURE(rc)) return rc; } LogFlow(("pdmR3DrvInit: returns VINF_SUCCESS\n")); return VINF_SUCCESS; } /** * Loads one driver module and call the registration entry point. * * @returns VBox status code. * @param pVM VM handle. * @param pRegCB The registration callback stuff. * @param pszFilename Module filename. * @param pszName Module name. */ static int pdmR3DrvLoad(PVM pVM, PPDMDRVREGCBINT pRegCB, const char *pszFilename, const char *pszName) { /* * Load it. */ int rc = pdmR3LoadR3U(pVM->pUVM, pszFilename, pszName); if (RT_SUCCESS(rc)) { /* * Get the registration export and call it. */ FNPDMVBOXDRIVERSREGISTER *pfnVBoxDriversRegister; rc = PDMR3LdrGetSymbolR3(pVM, pszName, "VBoxDriversRegister", (void **)&pfnVBoxDriversRegister); if (RT_SUCCESS(rc)) { Log(("PDM: Calling VBoxDriversRegister (%p) of %s (%s)\n", pfnVBoxDriversRegister, pszName, pszFilename)); rc = pfnVBoxDriversRegister(&pRegCB->Core, VBOX_VERSION); if (RT_SUCCESS(rc)) Log(("PDM: Successfully loaded driver module %s (%s).\n", pszName, pszFilename)); else AssertMsgFailed(("VBoxDriversRegister failed with rc=%Rrc\n")); } else { AssertMsgFailed(("Failed to locate 'VBoxDriversRegister' in %s (%s) rc=%Rrc\n", pszName, pszFilename, rc)); if (rc == VERR_SYMBOL_NOT_FOUND) rc = VERR_PDM_NO_REGISTRATION_EXPORT; } } else AssertMsgFailed(("Failed to load %s (%s) rc=%Rrc!\n", pszName, pszFilename, rc)); return rc; } /** @interface_method_impl{PDMDRVREGCB,pfnRegister} */ static DECLCALLBACK(int) pdmR3DrvRegister(PCPDMDRVREGCB pCallbacks, PCPDMDRVREG pReg) { /* * Validate the registration structure. */ AssertPtrReturn(pReg, VERR_INVALID_POINTER); AssertMsgReturn(pReg->u32Version == PDM_DRVREG_VERSION, ("%#x\n", pReg->u32Version), VERR_PDM_UNKNOWN_DRVREG_VERSION); AssertReturn(pReg->szName[0], VERR_PDM_INVALID_DRIVER_REGISTRATION); AssertMsgReturn(RTStrEnd(pReg->szName, sizeof(pReg->szName)), ("%.*s\n", sizeof(pReg->szName), pReg->szName), VERR_PDM_INVALID_DRIVER_REGISTRATION); AssertMsgReturn(pdmR3IsValidName(pReg->szName), ("%.*s\n", pReg->szName), VERR_PDM_INVALID_DRIVER_REGISTRATION); AssertMsgReturn( !(pReg->fFlags & PDM_DRVREG_FLAGS_R0) || ( pReg->szR0Mod[0] && RTStrEnd(pReg->szR0Mod, sizeof(pReg->szR0Mod))), ("%s: %.*s\n", pReg->szName, sizeof(pReg->szR0Mod), pReg->szR0Mod), VERR_PDM_INVALID_DRIVER_REGISTRATION); AssertMsgReturn( !(pReg->fFlags & PDM_DRVREG_FLAGS_RC) || ( pReg->szRCMod[0] && RTStrEnd(pReg->szRCMod, sizeof(pReg->szRCMod))), ("%s: %.*s\n", pReg->szName, sizeof(pReg->szRCMod), pReg->szRCMod), VERR_PDM_INVALID_DRIVER_REGISTRATION); AssertMsgReturn(VALID_PTR(pReg->pszDescription), ("%s: %p\n", pReg->szName, pReg->pszDescription), VERR_PDM_INVALID_DRIVER_REGISTRATION); AssertMsgReturn(!(pReg->fFlags & ~(PDM_DRVREG_FLAGS_HOST_BITS_MASK | PDM_DRVREG_FLAGS_R0 | PDM_DRVREG_FLAGS_RC)), ("%s: %#x\n", pReg->szName, pReg->fFlags), VERR_PDM_INVALID_DRIVER_REGISTRATION); AssertMsgReturn((pReg->fFlags & PDM_DRVREG_FLAGS_HOST_BITS_MASK) == PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT, ("%s: %#x\n", pReg->szName, pReg->fFlags), VERR_PDM_INVALID_DRIVER_HOST_BITS); AssertMsgReturn(pReg->cMaxInstances > 0, ("%s: %#x\n", pReg->szName, pReg->cMaxInstances), VERR_PDM_INVALID_DRIVER_REGISTRATION); AssertMsgReturn(pReg->cbInstance <= _1M, ("%s: %#x\n", pReg->szName, pReg->cbInstance), VERR_PDM_INVALID_DRIVER_REGISTRATION); AssertMsgReturn(VALID_PTR(pReg->pfnConstruct), ("%s: %p\n", pReg->szName, pReg->pfnConstruct), VERR_PDM_INVALID_DRIVER_REGISTRATION); AssertMsgReturn(VALID_PTR(pReg->pfnRelocate) || !(pReg->fFlags & PDM_DRVREG_FLAGS_RC), ("%s: %#x\n", pReg->szName, pReg->cbInstance), VERR_PDM_INVALID_DRIVER_REGISTRATION); AssertMsgReturn(pReg->pfnSoftReset == NULL, ("%s: %p\n", pReg->szName, pReg->pfnSoftReset), VERR_PDM_INVALID_DRIVER_REGISTRATION); AssertMsgReturn(pReg->u32VersionEnd == PDM_DRVREG_VERSION, ("%s: #x\n", pReg->szName, pReg->u32VersionEnd), VERR_PDM_INVALID_DRIVER_REGISTRATION); /* * Check for duplicate and find FIFO entry at the same time. */ PCPDMDRVREGCBINT pRegCB = (PCPDMDRVREGCBINT)pCallbacks; PPDMDRV pDrvPrev = NULL; PPDMDRV pDrv = pRegCB->pVM->pdm.s.pDrvs; for (; pDrv; pDrvPrev = pDrv, pDrv = pDrv->pNext) { if (!strcmp(pDrv->pReg->szName, pReg->szName)) { AssertMsgFailed(("Driver '%s' already exists\n", pReg->szName)); return VERR_PDM_DRIVER_NAME_CLASH; } } /* * Allocate new driver structure and insert it into the list. */ int rc; pDrv = (PPDMDRV)MMR3HeapAlloc(pRegCB->pVM, MM_TAG_PDM_DRIVER, sizeof(*pDrv)); if (pDrv) { pDrv->pNext = NULL; pDrv->cInstances = 0; pDrv->iNextInstance = 0; pDrv->pReg = pReg; rc = CFGMR3QueryStringAllocDef( pRegCB->pCfgNode, "RCSearchPath", &pDrv->pszRCSearchPath, NULL); if (RT_SUCCESS(rc)) rc = CFGMR3QueryStringAllocDef(pRegCB->pCfgNode, "R0SearchPath", &pDrv->pszR0SearchPath, NULL); if (RT_SUCCESS(rc)) { if (pDrvPrev) pDrvPrev->pNext = pDrv; else pRegCB->pVM->pdm.s.pDrvs = pDrv; Log(("PDM: Registered driver '%s'\n", pReg->szName)); return VINF_SUCCESS; } MMR3HeapFree(pDrv); } else rc = VERR_NO_MEMORY; return rc; } /** * Lookups a driver structure by name. * @internal */ PPDMDRV pdmR3DrvLookup(PVM pVM, const char *pszName) { for (PPDMDRV pDrv = pVM->pdm.s.pDrvs; pDrv; pDrv = pDrv->pNext) if (!strcmp(pDrv->pReg->szName, pszName)) return pDrv; return NULL; } /** * Transforms the driver chain as it's being instantiated. * * Worker for pdmR3DrvInstantiate. * * @returns VBox status code. * @param pVM The VM handle. * @param pDrvAbove The driver above, NULL if top. * @param pLun The LUN. * @param ppNode The AttachedDriver node, replaced if any * morphing took place. */ static int pdmR3DrvMaybeTransformChain(PVM pVM, PPDMDRVINS pDrvAbove, PPDMLUN pLun, PCFGMNODE *ppNode) { /* * The typical state of affairs is that there are no injections. */ PCFGMNODE pCurTrans = CFGMR3GetFirstChild(CFGMR3GetChild(CFGMR3GetRoot(pVM), "PDM/DriverTransformations")); if (!pCurTrans) return VINF_SUCCESS; /* * Gather the attributes used in the matching process. */ const char *pszDevice = pLun->pDevIns->Internal.s.pDevR3->pReg->szName; char szLun[32]; RTStrPrintf(szLun, sizeof(szLun), "%u", pLun->iLun); const char *pszAbove = pDrvAbove ? pDrvAbove->Internal.s.pDrv->pReg->szName : ""; char *pszThisDrv; int rc = CFGMR3QueryStringAlloc(*ppNode, "Driver", &pszThisDrv); AssertMsgRCReturn(rc, ("Query for string value of \"Driver\" -> %Rrc\n", rc), rc == VERR_CFGM_VALUE_NOT_FOUND ? VERR_PDM_CFG_MISSING_DRIVER_NAME : rc); uint64_t uInjectTransformationAbove = 0; if (pDrvAbove) { rc = CFGMR3QueryIntegerDef(CFGMR3GetParent(*ppNode), "InjectTransformationPtr", &uInjectTransformationAbove, 0); AssertLogRelRCReturn(rc, rc); } /* * Enumerate possible driver chain transformations. */ unsigned cTransformations = 0; for (; pCurTrans != NULL; pCurTrans = CFGMR3GetNextChild(pCurTrans)) { char szCurTransNm[256]; rc = CFGMR3GetName(pCurTrans, szCurTransNm, sizeof(szCurTransNm)); AssertLogRelRCReturn(rc, rc); /* Match against the driver multi pattern. */ char *pszMultiPat; rc = CFGMR3QueryStringAllocDef(pCurTrans, "Driver", &pszMultiPat, "*"); AssertLogRelRCReturn(rc, rc); bool fMatch = RTStrSimplePatternMultiMatch(pszMultiPat, RTSTR_MAX, pszDevice, RTSTR_MAX, NULL); MMR3HeapFree(pszMultiPat); if (!fMatch) continue; /* Match against the lun multi pattern. */ rc = CFGMR3QueryStringAllocDef(pCurTrans, "LUN", &pszMultiPat, "*"); AssertLogRelRCReturn(rc, rc); fMatch = RTStrSimplePatternMultiMatch(pszMultiPat, RTSTR_MAX, szLun, RTSTR_MAX, NULL); MMR3HeapFree(pszMultiPat); if (!fMatch) continue; /* Match against the below-driver multi pattern. */ rc = CFGMR3QueryStringAllocDef(pCurTrans, "BelowDriver", &pszMultiPat, "*"); AssertLogRelRCReturn(rc, rc); fMatch = RTStrSimplePatternMultiMatch(pszMultiPat, RTSTR_MAX, pszAbove, RTSTR_MAX, NULL); MMR3HeapFree(pszMultiPat); if (!fMatch) continue; /* Match against the above-driver multi pattern. */ rc = CFGMR3QueryStringAlloc(pCurTrans, "AboveDriver", &pszMultiPat); if (rc == VERR_CFGM_VALUE_NOT_FOUND) rc = VINF_SUCCESS; else { AssertLogRelRCReturn(rc, rc); fMatch = RTStrSimplePatternMultiMatch(pszMultiPat, RTSTR_MAX, pszThisDrv, RTSTR_MAX, NULL); MMR3HeapFree(pszMultiPat); if (!fMatch) continue; if (uInjectTransformationAbove == (uintptr_t)pCurTrans) continue; } /* * We've got a match! Now, what are we supposed to do? */ char szAction[16]; rc = CFGMR3QueryStringDef(pCurTrans, "Action", szAction, sizeof(szAction), "inject"); AssertLogRelRCReturn(rc, rc); AssertLogRelMsgReturn( !strcmp(szAction, "inject") || !strcmp(szAction, "mergeconfig") || !strcmp(szAction, "remove") || !strcmp(szAction, "removetree") || !strcmp(szAction, "replace") || !strcmp(szAction, "replacetree") , ("Action='%s', valid values are 'inject', 'mergeconfig', 'replace', 'replacetree', 'remove', 'removetree'.\n", szAction), VERR_PDM_MISCONFIGURED_DRV_TRANSFORMATION); LogRel(("Applying '%s' to '%s'::[%s]...'%s': %s\n", szCurTransNm, pszDevice, szLun, pszThisDrv, szAction)); CFGMR3Dump(*ppNode); CFGMR3Dump(pCurTrans); /* Get the attached driver to inject. */ PCFGMNODE pTransAttDrv = NULL; if (!strcmp(szAction, "inject") || !strcmp(szAction, "replace") || !strcmp(szAction, "replacetree")) { pTransAttDrv = CFGMR3GetChild(pCurTrans, "AttachedDriver"); AssertLogRelMsgReturn(pTransAttDrv, ("An %s transformation requires an AttachedDriver child node!\n", szAction), VERR_PDM_MISCONFIGURED_DRV_TRANSFORMATION); } /* * Remove the node. */ if (!strcmp(szAction, "remove") || !strcmp(szAction, "removetree")) { PCFGMNODE pBelowThis = CFGMR3GetChild(*ppNode, "AttachedDriver"); if (!pBelowThis || !strcmp(szAction, "removetree")) { CFGMR3RemoveNode(*ppNode); *ppNode = NULL; } else { PCFGMNODE pBelowThisCopy; rc = CFGMR3DuplicateSubTree(pBelowThis, &pBelowThisCopy); AssertLogRelRCReturn(rc, rc); rc = CFGMR3ReplaceSubTree(*ppNode, pBelowThisCopy); if (RT_FAILURE(rc)) { CFGMR3RemoveNode(pBelowThis); AssertLogRelReturn(("rc=%Rrc\n", rc), rc); } } } /* * Replace the driver about to be instantiated. */ else if (!strcmp(szAction, "replace") || !strcmp(szAction, "replacetree")) { PCFGMNODE pTransCopy; rc = CFGMR3DuplicateSubTree(pTransAttDrv, &pTransCopy); AssertLogRelRCReturn(rc, rc); PCFGMNODE pBelowThis = CFGMR3GetChild(*ppNode, "AttachedDriver"); if (!pBelowThis || !strcmp(szAction, "replacetree")) rc = VINF_SUCCESS; else { PCFGMNODE pBelowThisCopy; rc = CFGMR3DuplicateSubTree(pBelowThis, &pBelowThisCopy); if (RT_SUCCESS(rc)) { rc = CFGMR3InsertSubTree(pTransCopy, "AttachedDriver", pBelowThisCopy, NULL); AssertLogRelRC(rc); if (RT_FAILURE(rc)) CFGMR3RemoveNode(pBelowThisCopy); } } if (RT_SUCCESS(rc)) rc = CFGMR3ReplaceSubTree(*ppNode, pTransCopy); if (RT_FAILURE(rc)) CFGMR3RemoveNode(pTransCopy); } /* * Inject a driver before the driver about to be instantiated. */ else if (!strcmp(szAction, "inject")) { PCFGMNODE pTransCopy; rc = CFGMR3DuplicateSubTree(pTransAttDrv, &pTransCopy); AssertLogRelRCReturn(rc, rc); PCFGMNODE pThisCopy; rc = CFGMR3DuplicateSubTree(*ppNode, &pThisCopy); if (RT_SUCCESS(rc)) { rc = CFGMR3InsertSubTree(pTransCopy, "AttachedDriver", pThisCopy, NULL); if (RT_SUCCESS(rc)) { rc = CFGMR3InsertInteger(pTransCopy, "InjectTransformationPtr", (uintptr_t)pCurTrans); AssertLogRelRC(rc); rc = CFGMR3InsertString(pTransCopy, "InjectTransformationNm", szCurTransNm); AssertLogRelRC(rc); if (RT_SUCCESS(rc)) rc = CFGMR3ReplaceSubTree(*ppNode, pTransCopy); } else { AssertLogRelRC(rc); CFGMR3RemoveNode(pThisCopy); } } if (RT_FAILURE(rc)) CFGMR3RemoveNode(pTransCopy); } /* * Merge the Config node of the transformation with the one of the * current driver. */ else if (!strcmp(szAction, "mergeconfig")) { PCFGMNODE pTransConfig = CFGMR3GetChild(pCurTrans, "Config"); AssertLogRelReturn(pTransConfig, VERR_PDM_MISCONFIGURED_DRV_TRANSFORMATION); PCFGMNODE pDrvConfig = CFGMR3GetChild(*ppNode, "Config"); if (*ppNode) CFGMR3InsertNode(*ppNode, "Config", &pDrvConfig); AssertLogRelReturn(pDrvConfig, VERR_PDM_CANNOT_TRANSFORM_REMOVED_DRIVER); rc = CFGMR3CopyTree(pDrvConfig, pTransConfig, CFGM_COPY_FLAGS_REPLACE_VALUES | CFGM_COPY_FLAGS_MERGE_KEYS); AssertLogRelRCReturn(rc, rc); } else AssertFailed(); cTransformations++; if (*ppNode) CFGMR3Dump(*ppNode); else LogRel(("The transformation removed the driver.\n")); } /* * Note what happened in the release log. */ if (cTransformations > 0) LogRel(("Transformations done. Applied %u driver transformations.\n", cTransformations)); return rc; } /** * Instantiate a driver. * * @returns VBox status code, including informational statuses. * * @param pVM The VM handle. * @param pNode The CFGM node for the driver. * @param pBaseInterface The base interface. * @param pDrvAbove The driver above it. NULL if it's the top-most * driver. * @param pLun The LUN the driver is being attached to. NULL * if we're instantiating a driver chain before * attaching it - untested. * @param ppBaseInterface Where to return the pointer to the base * interface of the newly created driver. * * @remarks Recursive calls to this function is normal as the drivers will * attach to anything below them during the pfnContruct call. * * @todo Need to extend this interface a bit so that the driver * transformation feature can attach drivers to unconfigured LUNs and * at the end of chains. */ int pdmR3DrvInstantiate(PVM pVM, PCFGMNODE pNode, PPDMIBASE pBaseInterface, PPDMDRVINS pDrvAbove, PPDMLUN pLun, PPDMIBASE *ppBaseInterface) { Assert(!pDrvAbove || !pDrvAbove->Internal.s.pDown); Assert(!pDrvAbove || !pDrvAbove->pDownBase); Assert(pBaseInterface->pfnQueryInterface(pBaseInterface, PDMIBASE_IID) == pBaseInterface); /* * Do driver chain injections */ int rc = pdmR3DrvMaybeTransformChain(pVM, pDrvAbove, pLun, &pNode); if (RT_FAILURE(rc)) return rc; if (!pNode) return VERR_PDM_NO_ATTACHED_DRIVER; /* * Find the driver. */ char *pszName; rc = CFGMR3QueryStringAlloc(pNode, "Driver", &pszName); if (RT_SUCCESS(rc)) { PPDMDRV pDrv = pdmR3DrvLookup(pVM, pszName); if ( pDrv && pDrv->cInstances < pDrv->pReg->cMaxInstances) { /* config node */ PCFGMNODE pConfigNode = CFGMR3GetChild(pNode, "Config"); if (!pConfigNode) rc = CFGMR3InsertNode(pNode, "Config", &pConfigNode); if (RT_SUCCESS(rc)) { CFGMR3SetRestrictedRoot(pConfigNode); /* * Allocate the driver instance. */ size_t cb = RT_OFFSETOF(PDMDRVINS, achInstanceData[pDrv->pReg->cbInstance]); cb = RT_ALIGN_Z(cb, 16); bool const fHyperHeap = !!(pDrv->pReg->fFlags & (PDM_DRVREG_FLAGS_R0 | PDM_DRVREG_FLAGS_RC)); PPDMDRVINS pNew; if (fHyperHeap) rc = MMHyperAlloc(pVM, cb, 64, MM_TAG_PDM_DRIVER, (void **)&pNew); else rc = MMR3HeapAllocZEx(pVM, MM_TAG_PDM_DRIVER, cb, (void **)&pNew); if (pNew) { /* * Initialize the instance structure (declaration order). */ pNew->u32Version = PDM_DRVINS_VERSION; pNew->Internal.s.pUp = pDrvAbove ? pDrvAbove : NULL; //pNew->Internal.s.pDown = NULL; pNew->Internal.s.pLun = pLun; pNew->Internal.s.pDrv = pDrv; pNew->Internal.s.pVMR3 = pVM; pNew->Internal.s.pVMR0 = pDrv->pReg->fFlags & PDM_DRVREG_FLAGS_R0 ? pVM->pVMR0 : NIL_RTR0PTR; pNew->Internal.s.pVMRC = pDrv->pReg->fFlags & PDM_DRVREG_FLAGS_RC ? pVM->pVMRC : NIL_RTRCPTR; //pNew->Internal.s.fDetaching = false; pNew->Internal.s.fVMSuspended = true; //pNew->Internal.s.fVMReset = false; pNew->Internal.s.fHyperHeap = fHyperHeap; //pNew->Internal.s.pfnAsyncNotify = NULL; pNew->Internal.s.pCfgHandle = pNode; pNew->pReg = pDrv->pReg; pNew->pCfg = pConfigNode; pNew->iInstance = pDrv->iNextInstance; pNew->pUpBase = pBaseInterface; Assert(!pDrvAbove || pBaseInterface == &pDrvAbove->IBase); //pNew->pDownBase = NULL; //pNew->IBase.pfnQueryInterface = NULL; pNew->pHlpR3 = &g_pdmR3DrvHlp; pNew->pvInstanceDataR3 = &pNew->achInstanceData[0]; if (pDrv->pReg->fFlags & PDM_DRVREG_FLAGS_R0) { pNew->pvInstanceDataR0 = MMHyperR3ToR0(pVM, &pNew->achInstanceData[0]); rc = PDMR3LdrGetSymbolR0(pVM, NULL, "g_pdmR0DrvHlp", &pNew->pHlpR0); AssertReleaseRCReturn(rc, rc); } if (pDrv->pReg->fFlags & PDM_DRVREG_FLAGS_RC) { pNew->pvInstanceDataR0 = MMHyperR3ToRC(pVM, &pNew->achInstanceData[0]); rc = PDMR3LdrGetSymbolRC(pVM, NULL, "g_pdmRCDrvHlp", &pNew->pHlpRC); AssertReleaseRCReturn(rc, rc); } pDrv->iNextInstance++; pDrv->cInstances++; /* * Link with it with the driver above / LUN. */ if (pDrvAbove) { pDrvAbove->pDownBase = &pNew->IBase; pDrvAbove->Internal.s.pDown = pNew; } else if (pLun) pLun->pTop = pNew; if (pLun) pLun->pBottom = pNew; /* * Invoke the constructor. */ rc = pDrv->pReg->pfnConstruct(pNew, pNew->pCfg, 0 /*fFlags*/); if (RT_SUCCESS(rc)) { AssertPtr(pNew->IBase.pfnQueryInterface); Assert(pNew->IBase.pfnQueryInterface(&pNew->IBase, PDMIBASE_IID) == &pNew->IBase); /* Success! */ *ppBaseInterface = &pNew->IBase; if (pLun) Log(("PDM: Attached driver %p:'%s'/%d to LUN#%d on device '%s'/%d, pDrvAbove=%p:'%s'/%d\n", pNew, pDrv->pReg->szName, pNew->iInstance, pLun->iLun, pLun->pDevIns ? pLun->pDevIns->pReg->szName : pLun->pUsbIns->pReg->szName, pLun->pDevIns ? pLun->pDevIns->iInstance : pLun->pUsbIns->iInstance, pDrvAbove, pDrvAbove ? pDrvAbove->pReg->szName : "", pDrvAbove ? pDrvAbove->iInstance : UINT32_MAX)); else Log(("PDM: Attached driver %p:'%s'/%d, pDrvAbove=%p:'%s'/%d\n", pNew, pDrv->pReg->szName, pNew->iInstance, pDrvAbove, pDrvAbove ? pDrvAbove->pReg->szName : "", pDrvAbove ? pDrvAbove->iInstance : UINT32_MAX)); } else { pdmR3DrvDestroyChain(pNew, PDM_TACH_FLAGS_NO_CALLBACKS); if (rc == VERR_VERSION_MISMATCH) rc = VERR_PDM_DRIVER_VERSION_MISMATCH; } } else { AssertMsgFailed(("Failed to allocate %d bytes for instantiating driver '%s'\n", cb, pszName)); rc = VERR_NO_MEMORY; } } else AssertMsgFailed(("Failed to create Config node! rc=%Rrc\n", rc)); } else if (pDrv) { AssertMsgFailed(("Too many instances of driver '%s', max is %u\n", pszName, pDrv->pReg->cMaxInstances)); rc = VERR_PDM_TOO_MANY_DRIVER_INSTANCES; } else { AssertMsgFailed(("Driver '%s' wasn't found!\n", pszName)); rc = VERR_PDM_DRIVER_NOT_FOUND; } MMR3HeapFree(pszName); } else { AssertMsgFailed(("Query for string value of \"Driver\" -> %Rrc\n", rc)); if (rc == VERR_CFGM_VALUE_NOT_FOUND) rc = VERR_PDM_CFG_MISSING_DRIVER_NAME; } return rc; } /** * Detaches a driver from whatever it's attached to. * This will of course lead to the destruction of the driver and all drivers below it in the chain. * * @returns VINF_SUCCESS * @param pDrvIns The driver instance to detach. * @param fFlags Flags, combination of the PDMDEVATT_FLAGS_* \#defines. */ int pdmR3DrvDetach(PPDMDRVINS pDrvIns, uint32_t fFlags) { PDMDRV_ASSERT_DRVINS(pDrvIns); LogFlow(("pdmR3DrvDetach: pDrvIns=%p '%s'/%d\n", pDrvIns, pDrvIns->pReg->szName, pDrvIns->iInstance)); VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3); /* * Check that we're not doing this recursively, that could have unwanted sideeffects! */ if (pDrvIns->Internal.s.fDetaching) { AssertMsgFailed(("Recursive detach! '%s'/%d\n", pDrvIns->pReg->szName, pDrvIns->iInstance)); return VINF_SUCCESS; } /* * Check that we actually can detach this instance. * The requirement is that the driver/device above has a detach method. */ if (pDrvIns->Internal.s.pUp ? !pDrvIns->Internal.s.pUp->pReg->pfnDetach : !pDrvIns->Internal.s.pLun->pDevIns->pReg->pfnDetach) { AssertMsgFailed(("Cannot detach driver instance because the driver/device above doesn't support it!\n")); return VERR_PDM_DRIVER_DETACH_NOT_POSSIBLE; } /* * Join paths with pdmR3DrvDestroyChain. */ pdmR3DrvDestroyChain(pDrvIns, fFlags); return VINF_SUCCESS; } /** * Destroys a driver chain starting with the specified driver. * * This is used when unplugging a device at run time. * * @param pDrvIns Pointer to the driver instance to start with. * @param fFlags PDM_TACH_FLAGS_NOT_HOT_PLUG, PDM_TACH_FLAGS_NO_CALLBACKS * or 0. */ void pdmR3DrvDestroyChain(PPDMDRVINS pDrvIns, uint32_t fFlags) { PVM pVM = pDrvIns->Internal.s.pVMR3; VM_ASSERT_EMT(pVM); /* * Detach the bottommost driver until we've detached pDrvIns. */ pDrvIns->Internal.s.fDetaching = true; PPDMDRVINS pCur; do { /* find the driver to detach. */ pCur = pDrvIns; while (pCur->Internal.s.pDown) pCur = pCur->Internal.s.pDown; LogFlow(("pdmR3DrvDestroyChain: pCur=%p '%s'/%d\n", pCur, pCur->pReg->szName, pCur->iInstance)); /* * Unlink it and notify parent. */ pCur->Internal.s.fDetaching = true; PPDMLUN pLun = pCur->Internal.s.pLun; Assert(pLun->pBottom == pCur); pLun->pBottom = pCur->Internal.s.pUp; if (pCur->Internal.s.pUp) { /* driver parent */ PPDMDRVINS pParent = pCur->Internal.s.pUp; pCur->Internal.s.pUp = NULL; pParent->Internal.s.pDown = NULL; if (!(fFlags & PDM_TACH_FLAGS_NO_CALLBACKS) && pParent->pReg->pfnDetach) pParent->pReg->pfnDetach(pParent, fFlags); pParent->pDownBase = NULL; } else { /* device parent */ Assert(pLun->pTop == pCur); pLun->pTop = NULL; if (!(fFlags & PDM_TACH_FLAGS_NO_CALLBACKS) && pLun->pDevIns->pReg->pfnDetach) { PDMCritSectEnter(pLun->pDevIns->pCritSectRoR3, VERR_IGNORED); pLun->pDevIns->pReg->pfnDetach(pLun->pDevIns, pLun->iLun, fFlags); PDMCritSectLeave(pLun->pDevIns->pCritSectRoR3); } } /* * Call destructor. */ pCur->pUpBase = NULL; if (pCur->pReg->pfnDestruct) pCur->pReg->pfnDestruct(pCur); pCur->Internal.s.pDrv->cInstances--; /* * Free all resources allocated by the driver. */ /* Queues. */ int rc = PDMR3QueueDestroyDriver(pVM, pCur); AssertRC(rc); /* Timers. */ rc = TMR3TimerDestroyDriver(pVM, pCur); AssertRC(rc); /* SSM data units. */ rc = SSMR3DeregisterDriver(pVM, pCur, NULL, 0); AssertRC(rc); /* PDM threads. */ rc = pdmR3ThreadDestroyDriver(pVM, pCur); AssertRC(rc); /* Info handlers. */ rc = DBGFR3InfoDeregisterDriver(pVM, pCur, NULL); AssertRC(rc); /* PDM critsects. */ rc = pdmR3CritSectDeleteDriver(pVM, pCur); AssertRC(rc); /* Block caches. */ PDMR3BlkCacheReleaseDriver(pVM, pCur); /* Finally, the driver it self. */ bool fHyperHeap = pCur->Internal.s.fHyperHeap; ASMMemFill32(pCur, RT_OFFSETOF(PDMDRVINS, achInstanceData[pCur->pReg->cbInstance]), 0xdeadd0d0); if (fHyperHeap) MMHyperFree(pVM, pCur); else MMR3HeapFree(pCur); } while (pCur != pDrvIns); } /** @name Driver Helpers * @{ */ /** @interface_method_impl{PDMDRVHLP,pfnAttach} */ static DECLCALLBACK(int) pdmR3DrvHlp_Attach(PPDMDRVINS pDrvIns, uint32_t fFlags, PPDMIBASE *ppBaseInterface) { PDMDRV_ASSERT_DRVINS(pDrvIns); PVM pVM = pDrvIns->Internal.s.pVMR3; VM_ASSERT_EMT(pVM); LogFlow(("pdmR3DrvHlp_Attach: caller='%s'/%d: fFlags=%#x\n", pDrvIns->pReg->szName, pDrvIns->iInstance, fFlags)); Assert(!(fFlags & ~(PDM_TACH_FLAGS_NOT_HOT_PLUG))); /* * Check that there isn't anything attached already. */ int rc; if (!pDrvIns->Internal.s.pDown) { Assert(pDrvIns->Internal.s.pLun->pBottom == pDrvIns); /* * Get the attached driver configuration. */ PCFGMNODE pNode = CFGMR3GetChild(pDrvIns->Internal.s.pCfgHandle, "AttachedDriver"); if (pNode) rc = pdmR3DrvInstantiate(pVM, pNode, &pDrvIns->IBase, pDrvIns, pDrvIns->Internal.s.pLun, ppBaseInterface); else rc = VERR_PDM_NO_ATTACHED_DRIVER; } else { AssertMsgFailed(("Already got a driver attached. The driver should keep track of such things!\n")); rc = VERR_PDM_DRIVER_ALREADY_ATTACHED; } LogFlow(("pdmR3DrvHlp_Attach: caller='%s'/%d: return %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc)); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnDetach} */ static DECLCALLBACK(int) pdmR3DrvHlp_Detach(PPDMDRVINS pDrvIns, uint32_t fFlags) { PDMDRV_ASSERT_DRVINS(pDrvIns); LogFlow(("pdmR3DrvHlp_Detach: caller='%s'/%d: fFlags=%#x\n", pDrvIns->pReg->szName, pDrvIns->iInstance, fFlags)); VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3); /* * Anything attached? */ int rc; if (pDrvIns->Internal.s.pDown) rc = pdmR3DrvDetach(pDrvIns->Internal.s.pDown, fFlags); else { AssertMsgFailed(("Nothing attached!\n")); rc = VERR_PDM_NO_DRIVER_ATTACHED; } LogFlow(("pdmR3DrvHlp_Detach: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc)); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnDetachSelf} */ static DECLCALLBACK(int) pdmR3DrvHlp_DetachSelf(PPDMDRVINS pDrvIns, uint32_t fFlags) { PDMDRV_ASSERT_DRVINS(pDrvIns); LogFlow(("pdmR3DrvHlp_DetachSelf: caller='%s'/%d: fFlags=%#x\n", pDrvIns->pReg->szName, pDrvIns->iInstance, fFlags)); VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3); int rc = pdmR3DrvDetach(pDrvIns, fFlags); LogFlow(("pdmR3DrvHlp_Detach: returns %Rrc\n", rc)); /* pDrvIns is freed by now. */ return rc; } /** @interface_method_impl{PDMDRVHLP,pfnMountPrepare} */ static DECLCALLBACK(int) pdmR3DrvHlp_MountPrepare(PPDMDRVINS pDrvIns, const char *pszFilename, const char *pszCoreDriver) { PDMDRV_ASSERT_DRVINS(pDrvIns); LogFlow(("pdmR3DrvHlp_MountPrepare: caller='%s'/%d: pszFilename=%p:{%s} pszCoreDriver=%p:{%s}\n", pDrvIns->pReg->szName, pDrvIns->iInstance, pszFilename, pszFilename, pszCoreDriver, pszCoreDriver)); VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3); /* * Do the caller have anything attached below itself? */ if (pDrvIns->Internal.s.pDown) { AssertMsgFailed(("Cannot prepare a mount when something's attached to you!\n")); return VERR_PDM_DRIVER_ALREADY_ATTACHED; } /* * We're asked to prepare, so we'll start off by nuking the * attached configuration tree. */ PCFGMNODE pNode = CFGMR3GetChild(pDrvIns->Internal.s.pCfgHandle, "AttachedDriver"); if (pNode) CFGMR3RemoveNode(pNode); /* * If there is no core driver, we'll have to probe for it. */ if (!pszCoreDriver) { /** @todo implement image probing. */ AssertReleaseMsgFailed(("Not implemented!\n")); return VERR_NOT_IMPLEMENTED; } /* * Construct the basic attached driver configuration. */ int rc = CFGMR3InsertNode(pDrvIns->Internal.s.pCfgHandle, "AttachedDriver", &pNode); if (RT_SUCCESS(rc)) { rc = CFGMR3InsertString(pNode, "Driver", pszCoreDriver); if (RT_SUCCESS(rc)) { PCFGMNODE pCfg; rc = CFGMR3InsertNode(pNode, "Config", &pCfg); if (RT_SUCCESS(rc)) { rc = CFGMR3InsertString(pCfg, "Path", pszFilename); if (RT_SUCCESS(rc)) { LogFlow(("pdmR3DrvHlp_MountPrepare: caller='%s'/%d: returns %Rrc (Driver=%s)\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc, pszCoreDriver)); return rc; } else AssertMsgFailed(("Path string insert failed, rc=%Rrc\n", rc)); } else AssertMsgFailed(("Config node failed, rc=%Rrc\n", rc)); } else AssertMsgFailed(("Driver string insert failed, rc=%Rrc\n", rc)); CFGMR3RemoveNode(pNode); } else AssertMsgFailed(("AttachedDriver node insert failed, rc=%Rrc\n", rc)); LogFlow(("pdmR3DrvHlp_MountPrepare: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc)); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnAssertEMT} */ static DECLCALLBACK(bool) pdmR3DrvHlp_AssertEMT(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction) { PDMDRV_ASSERT_DRVINS(pDrvIns); if (VM_IS_EMT(pDrvIns->Internal.s.pVMR3)) return true; char szMsg[100]; RTStrPrintf(szMsg, sizeof(szMsg), "AssertEMT '%s'/%d\n", pDrvIns->pReg->szName, pDrvIns->iInstance); RTAssertMsg1Weak(szMsg, iLine, pszFile, pszFunction); AssertBreakpoint(); VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3); return false; } /** @interface_method_impl{PDMDRVHLP,pfnAssertOther} */ static DECLCALLBACK(bool) pdmR3DrvHlp_AssertOther(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction) { PDMDRV_ASSERT_DRVINS(pDrvIns); if (!VM_IS_EMT(pDrvIns->Internal.s.pVMR3)) return true; char szMsg[100]; RTStrPrintf(szMsg, sizeof(szMsg), "AssertOther '%s'/%d\n", pDrvIns->pReg->szName, pDrvIns->iInstance); RTAssertMsg1Weak(szMsg, iLine, pszFile, pszFunction); AssertBreakpoint(); VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3); return false; } /** @interface_method_impl{PDMDRVHLP,pfnVMSetError} */ static DECLCALLBACK(int) pdmR3DrvHlp_VMSetError(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...) { PDMDRV_ASSERT_DRVINS(pDrvIns); va_list args; va_start(args, pszFormat); int rc2 = VMSetErrorV(pDrvIns->Internal.s.pVMR3, rc, RT_SRC_POS_ARGS, pszFormat, args); Assert(rc2 == rc); NOREF(rc2); va_end(args); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnVMSetErrorV} */ static DECLCALLBACK(int) pdmR3DrvHlp_VMSetErrorV(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va) { PDMDRV_ASSERT_DRVINS(pDrvIns); int rc2 = VMSetErrorV(pDrvIns->Internal.s.pVMR3, rc, RT_SRC_POS_ARGS, pszFormat, va); Assert(rc2 == rc); NOREF(rc2); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnVMSetRuntimeError} */ static DECLCALLBACK(int) pdmR3DrvHlp_VMSetRuntimeError(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, ...) { PDMDRV_ASSERT_DRVINS(pDrvIns); va_list args; va_start(args, pszFormat); int rc = VMSetRuntimeErrorV(pDrvIns->Internal.s.pVMR3, fFlags, pszErrorId, pszFormat, args); va_end(args); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnVMSetRuntimeErrorV} */ static DECLCALLBACK(int) pdmR3DrvHlp_VMSetRuntimeErrorV(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, va_list va) { PDMDRV_ASSERT_DRVINS(pDrvIns); int rc = VMSetRuntimeErrorV(pDrvIns->Internal.s.pVMR3, fFlags, pszErrorId, pszFormat, va); return rc; } /** @interface_method_impl{PDMDEVHLPR3,pfnVMState} */ static DECLCALLBACK(VMSTATE) pdmR3DrvHlp_VMState(PPDMDRVINS pDrvIns) { PDMDRV_ASSERT_DRVINS(pDrvIns); VMSTATE enmVMState = VMR3GetState(pDrvIns->Internal.s.pVMR3); LogFlow(("pdmR3DrvHlp_VMState: caller='%s'/%d: returns %d (%s)\n", pDrvIns->pReg->szName, pDrvIns->iInstance, enmVMState, VMR3GetStateName(enmVMState))); return enmVMState; } /** @interface_method_impl{PDMDEVHLPR3,pfnVMTeleportedAndNotFullyResumedYet} */ static DECLCALLBACK(bool) pdmR3DrvHlp_VMTeleportedAndNotFullyResumedYet(PPDMDRVINS pDrvIns) { PDMDRV_ASSERT_DRVINS(pDrvIns); bool fRc = VMR3TeleportedAndNotFullyResumedYet(pDrvIns->Internal.s.pVMR3); LogFlow(("pdmR3DrvHlp_VMState: caller='%s'/%d: returns %RTbool)\n", pDrvIns->pReg->szName, pDrvIns->iInstance, fRc)); return fRc; } /** @interface_method_impl{PDMDEVHLPR3,pfnGetSupDrvSession} */ static DECLCALLBACK(PSUPDRVSESSION) pdmR3DrvHlp_GetSupDrvSession(PPDMDRVINS pDrvIns) { PDMDRV_ASSERT_DRVINS(pDrvIns); PSUPDRVSESSION pSession = pDrvIns->Internal.s.pVMR3->pSession; LogFlow(("pdmR3DrvHlp_GetSupDrvSession: caller='%s'/%d: returns %p)\n", pDrvIns->pReg->szName, pDrvIns->iInstance, pSession)); return pSession; } /** @interface_method_impl{PDMDRVHLP,pfnQueueCreate} */ static DECLCALLBACK(int) pdmR3DrvHlp_QueueCreate(PPDMDRVINS pDrvIns, uint32_t cbItem, uint32_t cItems, uint32_t cMilliesInterval, PFNPDMQUEUEDRV pfnCallback, const char *pszName, PPDMQUEUE *ppQueue) { PDMDRV_ASSERT_DRVINS(pDrvIns); LogFlow(("pdmR3DrvHlp_PDMQueueCreate: caller='%s'/%d: cbItem=%d cItems=%d cMilliesInterval=%d pfnCallback=%p pszName=%p:{%s} ppQueue=%p\n", pDrvIns->pReg->szName, pDrvIns->iInstance, cbItem, cItems, cMilliesInterval, pfnCallback, pszName, pszName, ppQueue, ppQueue)); PVM pVM = pDrvIns->Internal.s.pVMR3; VM_ASSERT_EMT(pVM); if (pDrvIns->iInstance > 0) { pszName = MMR3HeapAPrintf(pVM, MM_TAG_PDM_DRIVER_DESC, "%s_%u", pszName, pDrvIns->iInstance); AssertLogRelReturn(pszName, VERR_NO_MEMORY); } int rc = PDMR3QueueCreateDriver(pVM, pDrvIns, cbItem, cItems, cMilliesInterval, pfnCallback, pszName, ppQueue); LogFlow(("pdmR3DrvHlp_PDMQueueCreate: caller='%s'/%d: returns %Rrc *ppQueue=%p\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc, *ppQueue)); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnTMGetVirtualFreq} */ static DECLCALLBACK(uint64_t) pdmR3DrvHlp_TMGetVirtualFreq(PPDMDRVINS pDrvIns) { PDMDRV_ASSERT_DRVINS(pDrvIns); return TMVirtualGetFreq(pDrvIns->Internal.s.pVMR3); } /** @interface_method_impl{PDMDRVHLP,pfnTMGetVirtualTime} */ static DECLCALLBACK(uint64_t) pdmR3DrvHlp_TMGetVirtualTime(PPDMDRVINS pDrvIns) { PDMDRV_ASSERT_DRVINS(pDrvIns); return TMVirtualGet(pDrvIns->Internal.s.pVMR3); } /** @interface_method_impl{PDMDRVHLP,pfnTMTimerCreate} */ static DECLCALLBACK(int) pdmR3DrvHlp_TMTimerCreate(PPDMDRVINS pDrvIns, TMCLOCK enmClock, PFNTMTIMERDRV pfnCallback, void *pvUser, uint32_t fFlags, const char *pszDesc, PPTMTIMERR3 ppTimer) { PDMDRV_ASSERT_DRVINS(pDrvIns); LogFlow(("pdmR3DrvHlp_TMTimerCreate: caller='%s'/%d: enmClock=%d pfnCallback=%p pvUser=%p fFlags=%#x pszDesc=%p:{%s} ppTimer=%p\n", pDrvIns->pReg->szName, pDrvIns->iInstance, enmClock, pfnCallback, pvUser, fFlags, pszDesc, pszDesc, ppTimer)); int rc = TMR3TimerCreateDriver(pDrvIns->Internal.s.pVMR3, pDrvIns, enmClock, pfnCallback, pvUser, fFlags, pszDesc, ppTimer); LogFlow(("pdmR3DrvHlp_TMTimerCreate: caller='%s'/%d: returns %Rrc *ppTimer=%p\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc, *ppTimer)); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnSSMRegister} */ static DECLCALLBACK(int) pdmR3DrvHlp_SSMRegister(PPDMDRVINS pDrvIns, uint32_t uVersion, size_t cbGuess, PFNSSMDRVLIVEPREP pfnLivePrep, PFNSSMDRVLIVEEXEC pfnLiveExec, PFNSSMDRVLIVEVOTE pfnLiveVote, PFNSSMDRVSAVEPREP pfnSavePrep, PFNSSMDRVSAVEEXEC pfnSaveExec, PFNSSMDRVSAVEDONE pfnSaveDone, PFNSSMDRVLOADPREP pfnLoadPrep, PFNSSMDRVLOADEXEC pfnLoadExec, PFNSSMDRVLOADDONE pfnLoadDone) { PDMDRV_ASSERT_DRVINS(pDrvIns); VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3); LogFlow(("pdmR3DrvHlp_SSMRegister: caller='%s'/%d: uVersion=#x cbGuess=%#x \n" " pfnLivePrep=%p pfnLiveExec=%p pfnLiveVote=%p pfnSavePrep=%p pfnSaveExec=%p pfnSaveDone=%p pszLoadPrep=%p pfnLoadExec=%p pfnLoaddone=%p\n", pDrvIns->pReg->szName, pDrvIns->iInstance, uVersion, cbGuess, pfnLivePrep, pfnLiveExec, pfnLiveVote, pfnSavePrep, pfnSaveExec, pfnSaveDone, pfnLoadPrep, pfnLoadExec, pfnLoadDone)); int rc = SSMR3RegisterDriver(pDrvIns->Internal.s.pVMR3, pDrvIns, pDrvIns->pReg->szName, pDrvIns->iInstance, uVersion, cbGuess, pfnLivePrep, pfnLiveExec, pfnLiveVote, pfnSavePrep, pfnSaveExec, pfnSaveDone, pfnLoadPrep, pfnLoadExec, pfnLoadDone); LogFlow(("pdmR3DrvHlp_SSMRegister: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc)); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnSSMDeregister} */ static DECLCALLBACK(int) pdmR3DrvHlp_SSMDeregister(PPDMDRVINS pDrvIns, const char *pszName, uint32_t u32Instance) { PDMDRV_ASSERT_DRVINS(pDrvIns); VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3); LogFlow(("pdmR3DrvHlp_SSMDeregister: caller='%s'/%d: pszName=%p:{%s} u32Instance=%#x\n", pDrvIns->pReg->szName, pDrvIns->iInstance, pszName, pszName, u32Instance)); int rc = SSMR3DeregisterDriver(pDrvIns->Internal.s.pVMR3, pDrvIns, pszName, u32Instance); LogFlow(("pdmR3DrvHlp_SSMDeregister: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc)); return rc; } /** @interface_method_impl{PDMDEVHLP,pfnDBGFInfoRegister} */ static DECLCALLBACK(int) pdmR3DrvHlp_DBGFInfoRegister(PPDMDRVINS pDrvIns, const char *pszName, const char *pszDesc, PFNDBGFHANDLERDRV pfnHandler) { PDMDRV_ASSERT_DRVINS(pDrvIns); LogFlow(("pdmR3DrvHlp_DBGFInfoRegister: caller='%s'/%d: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p\n", pDrvIns->pReg->szName, pDrvIns->iInstance, pszName, pszName, pszDesc, pszDesc, pfnHandler)); int rc = DBGFR3InfoRegisterDriver(pDrvIns->Internal.s.pVMR3, pszName, pszDesc, pfnHandler, pDrvIns); LogFlow(("pdmR3DrvHlp_DBGFInfoRegister: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc)); return rc; } /** @interface_method_impl{PDMDEVHLP,pfnDBGFInfoDeregister} */ static DECLCALLBACK(int) pdmR3DrvHlp_DBGFInfoDeregister(PPDMDRVINS pDrvIns, const char *pszName) { PDMDRV_ASSERT_DRVINS(pDrvIns); LogFlow(("pdmR3DrvHlp_DBGFInfoDeregister: caller='%s'/%d: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p\n", pDrvIns->pReg->szName, pDrvIns->iInstance, pszName)); int rc = DBGFR3InfoDeregisterDriver(pDrvIns->Internal.s.pVMR3, pDrvIns, pszName); LogFlow(("pdmR3DrvHlp_DBGFInfoDeregister: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc)); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnSTAMRegister} */ static DECLCALLBACK(void) pdmR3DrvHlp_STAMRegister(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, const char *pszName, STAMUNIT enmUnit, const char *pszDesc) { PDMDRV_ASSERT_DRVINS(pDrvIns); VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3); STAM_REG(pDrvIns->Internal.s.pVMR3, pvSample, enmType, pszName, enmUnit, pszDesc); /** @todo track the samples so they can be dumped & deregistered when the driver instance is destroyed. * For now we just have to be careful not to use this call for drivers which can be unloaded. */ } /** @interface_method_impl{PDMDRVHLP,pfnSTAMRegisterF} */ static DECLCALLBACK(void) pdmR3DrvHlp_STAMRegisterF(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit, const char *pszDesc, const char *pszName, ...) { PDMDRV_ASSERT_DRVINS(pDrvIns); VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3); va_list args; va_start(args, pszName); int rc = STAMR3RegisterV(pDrvIns->Internal.s.pVMR3, pvSample, enmType, enmVisibility, enmUnit, pszDesc, pszName, args); va_end(args); AssertRC(rc); } /** @interface_method_impl{PDMDRVHLP,pfnSTAMRegisterV} */ static DECLCALLBACK(void) pdmR3DrvHlp_STAMRegisterV(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit, const char *pszDesc, const char *pszName, va_list args) { PDMDRV_ASSERT_DRVINS(pDrvIns); VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3); int rc = STAMR3RegisterV(pDrvIns->Internal.s.pVMR3, pvSample, enmType, enmVisibility, enmUnit, pszDesc, pszName, args); AssertRC(rc); } /** @interface_method_impl{PDMDRVHLP,pfnSTAMDeregister} */ static DECLCALLBACK(int) pdmR3DrvHlp_STAMDeregister(PPDMDRVINS pDrvIns, void *pvSample) { PDMDRV_ASSERT_DRVINS(pDrvIns); VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3); int rc = STAMR3DeregisterU(pDrvIns->Internal.s.pVMR3->pUVM, pvSample); AssertRC(rc); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnSUPCallVMMR0Ex} */ static DECLCALLBACK(int) pdmR3DrvHlp_SUPCallVMMR0Ex(PPDMDRVINS pDrvIns, unsigned uOperation, void *pvArg, unsigned cbArg) { PDMDRV_ASSERT_DRVINS(pDrvIns); LogFlow(("pdmR3DrvHlp_SSMCallVMMR0Ex: caller='%s'/%d: uOperation=%u pvArg=%p cbArg=%d\n", pDrvIns->pReg->szName, pDrvIns->iInstance, uOperation, pvArg, cbArg)); int rc; if ( uOperation >= VMMR0_DO_SRV_START && uOperation < VMMR0_DO_SRV_END) rc = SUPR3CallVMMR0Ex(pDrvIns->Internal.s.pVMR3->pVMR0, NIL_VMCPUID, uOperation, 0, (PSUPVMMR0REQHDR)pvArg); else { AssertMsgFailed(("Invalid uOperation=%u\n", uOperation)); rc = VERR_INVALID_PARAMETER; } LogFlow(("pdmR3DrvHlp_SUPCallVMMR0Ex: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc)); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnUSBRegisterHub} */ static DECLCALLBACK(int) pdmR3DrvHlp_USBRegisterHub(PPDMDRVINS pDrvIns, uint32_t fVersions, uint32_t cPorts, PCPDMUSBHUBREG pUsbHubReg, PPCPDMUSBHUBHLP ppUsbHubHlp) { PDMDRV_ASSERT_DRVINS(pDrvIns); VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3); LogFlow(("pdmR3DrvHlp_USBRegisterHub: caller='%s'/%d: fVersions=%#x cPorts=%#x pUsbHubReg=%p ppUsbHubHlp=%p\n", pDrvIns->pReg->szName, pDrvIns->iInstance, fVersions, cPorts, pUsbHubReg, ppUsbHubHlp)); #ifdef VBOX_WITH_USB int rc = pdmR3UsbRegisterHub(pDrvIns->Internal.s.pVMR3, pDrvIns, fVersions, cPorts, pUsbHubReg, ppUsbHubHlp); #else int rc = VERR_NOT_SUPPORTED; #endif LogFlow(("pdmR3DrvHlp_USBRegisterHub: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc)); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnSetAsyncNotification} */ static DECLCALLBACK(int) pdmR3DrvHlp_SetAsyncNotification(PPDMDRVINS pDrvIns, PFNPDMDRVASYNCNOTIFY pfnAsyncNotify) { PDMDRV_ASSERT_DRVINS(pDrvIns); VM_ASSERT_EMT0(pDrvIns->Internal.s.pVMR3); LogFlow(("pdmR3DrvHlp_SetAsyncNotification: caller='%s'/%d: pfnAsyncNotify=%p\n", pDrvIns->pReg->szName, pDrvIns->iInstance, pfnAsyncNotify)); int rc = VINF_SUCCESS; AssertStmt(pfnAsyncNotify, rc = VERR_INVALID_PARAMETER); AssertStmt(!pDrvIns->Internal.s.pfnAsyncNotify, rc = VERR_WRONG_ORDER); AssertStmt(pDrvIns->Internal.s.fVMSuspended || pDrvIns->Internal.s.fVMReset, rc = VERR_WRONG_ORDER); VMSTATE enmVMState = VMR3GetState(pDrvIns->Internal.s.pVMR3); AssertStmt( enmVMState == VMSTATE_SUSPENDING || enmVMState == VMSTATE_SUSPENDING_EXT_LS || enmVMState == VMSTATE_SUSPENDING_LS || enmVMState == VMSTATE_RESETTING || enmVMState == VMSTATE_RESETTING_LS || enmVMState == VMSTATE_POWERING_OFF || enmVMState == VMSTATE_POWERING_OFF_LS, rc = VERR_INVALID_STATE); if (RT_SUCCESS(rc)) pDrvIns->Internal.s.pfnAsyncNotify = pfnAsyncNotify; LogFlow(("pdmR3DrvHlp_SetAsyncNotification: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc)); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnAsyncNotificationCompleted} */ static DECLCALLBACK(void) pdmR3DrvHlp_AsyncNotificationCompleted(PPDMDRVINS pDrvIns) { PDMDRV_ASSERT_DRVINS(pDrvIns); PVM pVM = pDrvIns->Internal.s.pVMR3; VMSTATE enmVMState = VMR3GetState(pVM); if ( enmVMState == VMSTATE_SUSPENDING || enmVMState == VMSTATE_SUSPENDING_EXT_LS || enmVMState == VMSTATE_SUSPENDING_LS || enmVMState == VMSTATE_RESETTING || enmVMState == VMSTATE_RESETTING_LS || enmVMState == VMSTATE_POWERING_OFF || enmVMState == VMSTATE_POWERING_OFF_LS) { LogFlow(("pdmR3DrvHlp_AsyncNotificationCompleted: caller='%s'/%d:\n", pDrvIns->pReg->szName, pDrvIns->iInstance)); VMR3AsyncPdmNotificationWakeupU(pVM->pUVM); } else LogFlow(("pdmR3DrvHlp_AsyncNotificationCompleted: caller='%s'/%d: enmVMState=%d\n", pDrvIns->pReg->szName, pDrvIns->iInstance, enmVMState)); } /** @interface_method_impl{PDMDRVHLP,pfnThreadCreate} */ static DECLCALLBACK(int) pdmR3DrvHlp_ThreadCreate(PPDMDRVINS pDrvIns, PPPDMTHREAD ppThread, void *pvUser, PFNPDMTHREADDRV pfnThread, PFNPDMTHREADWAKEUPDRV pfnWakeup, size_t cbStack, RTTHREADTYPE enmType, const char *pszName) { PDMDRV_ASSERT_DRVINS(pDrvIns); VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3); LogFlow(("pdmR3DrvHlp_ThreadCreate: caller='%s'/%d: ppThread=%p pvUser=%p pfnThread=%p pfnWakeup=%p cbStack=%#zx enmType=%d pszName=%p:{%s}\n", pDrvIns->pReg->szName, pDrvIns->iInstance, ppThread, pvUser, pfnThread, pfnWakeup, cbStack, enmType, pszName, pszName)); int rc = pdmR3ThreadCreateDriver(pDrvIns->Internal.s.pVMR3, pDrvIns, ppThread, pvUser, pfnThread, pfnWakeup, cbStack, enmType, pszName); LogFlow(("pdmR3DrvHlp_ThreadCreate: caller='%s'/%d: returns %Rrc *ppThread=%RTthrd\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc, *ppThread)); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnAsyncCompletionTemplateCreate} */ static DECLCALLBACK(int) pdmR3DrvHlp_AsyncCompletionTemplateCreate(PPDMDRVINS pDrvIns, PPPDMASYNCCOMPLETIONTEMPLATE ppTemplate, PFNPDMASYNCCOMPLETEDRV pfnCompleted, void *pvTemplateUser, const char *pszDesc) { PDMDRV_ASSERT_DRVINS(pDrvIns); LogFlow(("pdmR3DrvHlp_AsyncCompletionTemplateCreate: caller='%s'/%d: ppTemplate=%p pfnCompleted=%p pszDesc=%p:{%s}\n", pDrvIns->pReg->szName, pDrvIns->iInstance, ppTemplate, pfnCompleted, pszDesc, pszDesc)); int rc = PDMR3AsyncCompletionTemplateCreateDriver(pDrvIns->Internal.s.pVMR3, pDrvIns, ppTemplate, pfnCompleted, pvTemplateUser, pszDesc); LogFlow(("pdmR3DrvHlp_AsyncCompletionTemplateCreate: caller='%s'/%d: returns %Rrc *ppThread=%p\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc, *ppTemplate)); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnLdrGetRCInterfaceSymbols} */ static DECLCALLBACK(int) pdmR3DrvHlp_LdrGetRCInterfaceSymbols(PPDMDRVINS pDrvIns, void *pvInterface, size_t cbInterface, const char *pszSymPrefix, const char *pszSymList) { PDMDRV_ASSERT_DRVINS(pDrvIns); VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3); LogFlow(("pdmR3DrvHlp_LdrGetRCInterfaceSymbols: caller='%s'/%d: pvInterface=%p cbInterface=%zu pszSymPrefix=%p:{%s} pszSymList=%p:{%s}\n", pDrvIns->pReg->szName, pDrvIns->iInstance, pvInterface, cbInterface, pszSymPrefix, pszSymPrefix, pszSymList, pszSymList)); int rc; if ( strncmp(pszSymPrefix, "drv", 3) == 0 && RTStrIStr(pszSymPrefix + 3, pDrvIns->pReg->szName) != NULL) { if (pDrvIns->pReg->fFlags & PDM_DRVREG_FLAGS_RC) rc = PDMR3LdrGetInterfaceSymbols(pDrvIns->Internal.s.pVMR3, pvInterface, cbInterface, pDrvIns->pReg->szRCMod, pDrvIns->Internal.s.pDrv->pszRCSearchPath, pszSymPrefix, pszSymList, false /*fRing0OrRC*/); else { AssertMsgFailed(("Not a raw-mode enabled driver\n")); rc = VERR_PERMISSION_DENIED; } } else { AssertMsgFailed(("Invalid prefix '%s' for '%s'; must start with 'drv' and contain the driver name!\n", pszSymPrefix, pDrvIns->pReg->szName)); rc = VERR_INVALID_NAME; } LogFlow(("pdmR3DrvHlp_LdrGetRCInterfaceSymbols: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc)); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnLdrGetR0InterfaceSymbols} */ static DECLCALLBACK(int) pdmR3DrvHlp_LdrGetR0InterfaceSymbols(PPDMDRVINS pDrvIns, void *pvInterface, size_t cbInterface, const char *pszSymPrefix, const char *pszSymList) { PDMDRV_ASSERT_DRVINS(pDrvIns); VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3); LogFlow(("pdmR3DrvHlp_LdrGetR0InterfaceSymbols: caller='%s'/%d: pvInterface=%p cbInterface=%zu pszSymPrefix=%p:{%s} pszSymList=%p:{%s}\n", pDrvIns->pReg->szName, pDrvIns->iInstance, pvInterface, cbInterface, pszSymPrefix, pszSymPrefix, pszSymList, pszSymList)); int rc; if ( strncmp(pszSymPrefix, "drv", 3) == 0 && RTStrIStr(pszSymPrefix + 3, pDrvIns->pReg->szName) != NULL) { if (pDrvIns->pReg->fFlags & PDM_DRVREG_FLAGS_R0) rc = PDMR3LdrGetInterfaceSymbols(pDrvIns->Internal.s.pVMR3, pvInterface, cbInterface, pDrvIns->pReg->szR0Mod, pDrvIns->Internal.s.pDrv->pszR0SearchPath, pszSymPrefix, pszSymList, true /*fRing0OrRC*/); else { AssertMsgFailed(("Not a ring-0 enabled driver\n")); rc = VERR_PERMISSION_DENIED; } } else { AssertMsgFailed(("Invalid prefix '%s' for '%s'; must start with 'drv' and contain the driver name!\n", pszSymPrefix, pDrvIns->pReg->szName)); rc = VERR_INVALID_NAME; } LogFlow(("pdmR3DrvHlp_LdrGetR0InterfaceSymbols: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc)); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnCritSectInit} */ static DECLCALLBACK(int) pdmR3DrvHlp_CritSectInit(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect, RT_SRC_POS_DECL, const char *pszName) { PDMDRV_ASSERT_DRVINS(pDrvIns); PVM pVM = pDrvIns->Internal.s.pVMR3; VM_ASSERT_EMT(pVM); LogFlow(("pdmR3DrvHlp_CritSectInit: caller='%s'/%d: pCritSect=%p pszName=%s\n", pDrvIns->pReg->szName, pDrvIns->iInstance, pCritSect, pszName)); int rc = pdmR3CritSectInitDriver(pVM, pDrvIns, pCritSect, RT_SRC_POS_ARGS, "%s_%u", pszName, pDrvIns->iInstance); LogFlow(("pdmR3DrvHlp_CritSectInit: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc)); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnCallR0} */ static DECLCALLBACK(int) pdmR3DrvHlp_CallR0(PPDMDRVINS pDrvIns, uint32_t uOperation, uint64_t u64Arg) { PDMDRV_ASSERT_DRVINS(pDrvIns); PVM pVM = pDrvIns->Internal.s.pVMR3; LogFlow(("pdmR3DrvHlp_CallR0: caller='%s'/%d: uOperation=%#x u64Arg=%#RX64\n", pDrvIns->pReg->szName, pDrvIns->iInstance, uOperation, u64Arg)); /* * Lazy resolve the ring-0 entry point. */ int rc = VINF_SUCCESS; PFNPDMDRVREQHANDLERR0 pfnReqHandlerR0 = pDrvIns->Internal.s.pfnReqHandlerR0; if (RT_UNLIKELY(pfnReqHandlerR0 == NIL_RTR0PTR)) { if (pDrvIns->pReg->fFlags & PDM_DRVREG_FLAGS_R0) { char szSymbol[ sizeof("drvR0") + sizeof(pDrvIns->pReg->szName) + sizeof("ReqHandler")]; strcat(strcat(strcpy(szSymbol, "drvR0"), pDrvIns->pReg->szName), "ReqHandler"); szSymbol[sizeof("drvR0") - 1] = RT_C_TO_UPPER(szSymbol[sizeof("drvR0") - 1]); rc = PDMR3LdrGetSymbolR0Lazy(pVM, pDrvIns->pReg->szR0Mod, pDrvIns->Internal.s.pDrv->pszR0SearchPath, szSymbol, &pfnReqHandlerR0); if (RT_SUCCESS(rc)) pDrvIns->Internal.s.pfnReqHandlerR0 = pfnReqHandlerR0; else pfnReqHandlerR0 = NIL_RTR0PTR; } else rc = VERR_ACCESS_DENIED; } if (RT_LIKELY(pfnReqHandlerR0 != NIL_RTR0PTR)) { /* * Make the ring-0 call. */ PDMDRIVERCALLREQHANDLERREQ Req; Req.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC; Req.Hdr.cbReq = sizeof(Req); Req.pDrvInsR0 = PDMDRVINS_2_R0PTR(pDrvIns); Req.uOperation = uOperation; Req.u32Alignment = 0; Req.u64Arg = u64Arg; rc = SUPR3CallVMMR0Ex(pVM->pVMR0, NIL_VMCPUID, VMMR0_DO_PDM_DRIVER_CALL_REQ_HANDLER, 0, &Req.Hdr); } LogFlow(("pdmR3DrvHlp_CallR0: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc)); return rc; } /** @interface_method_impl{PDMDRVHLP,pfnFTSetCheckpoint} */ static DECLCALLBACK(int) pdmR3DrvHlp_FTSetCheckpoint(PPDMDRVINS pDrvIns, FTMCHECKPOINTTYPE enmType) { PDMDRV_ASSERT_DRVINS(pDrvIns); return FTMSetCheckpoint(pDrvIns->Internal.s.pVMR3, enmType); } /** @interface_method_impl{PDMDRVHLP,pfnBlkCacheRetain} */ static DECLCALLBACK(int) pdmR3DrvHlp_BlkCacheRetain(PPDMDRVINS pDrvIns, PPPDMBLKCACHE ppBlkCache, PFNPDMBLKCACHEXFERCOMPLETEDRV pfnXferComplete, PFNPDMBLKCACHEXFERENQUEUEDRV pfnXferEnqueue, PFNPDMBLKCACHEXFERENQUEUEDISCARDDRV pfnXferEnqueueDiscard, const char *pcszId) { PDMDRV_ASSERT_DRVINS(pDrvIns); return PDMR3BlkCacheRetainDriver(pDrvIns->Internal.s.pVMR3, pDrvIns, ppBlkCache, pfnXferComplete, pfnXferEnqueue, pfnXferEnqueueDiscard, pcszId); } /** * The driver helper structure. */ const PDMDRVHLPR3 g_pdmR3DrvHlp = { PDM_DRVHLPR3_VERSION, pdmR3DrvHlp_Attach, pdmR3DrvHlp_Detach, pdmR3DrvHlp_DetachSelf, pdmR3DrvHlp_MountPrepare, pdmR3DrvHlp_AssertEMT, pdmR3DrvHlp_AssertOther, pdmR3DrvHlp_VMSetError, pdmR3DrvHlp_VMSetErrorV, pdmR3DrvHlp_VMSetRuntimeError, pdmR3DrvHlp_VMSetRuntimeErrorV, pdmR3DrvHlp_VMState, pdmR3DrvHlp_VMTeleportedAndNotFullyResumedYet, pdmR3DrvHlp_GetSupDrvSession, pdmR3DrvHlp_QueueCreate, pdmR3DrvHlp_TMGetVirtualFreq, pdmR3DrvHlp_TMGetVirtualTime, pdmR3DrvHlp_TMTimerCreate, pdmR3DrvHlp_SSMRegister, pdmR3DrvHlp_SSMDeregister, pdmR3DrvHlp_DBGFInfoRegister, pdmR3DrvHlp_DBGFInfoDeregister, pdmR3DrvHlp_STAMRegister, pdmR3DrvHlp_STAMRegisterF, pdmR3DrvHlp_STAMRegisterV, pdmR3DrvHlp_STAMDeregister, pdmR3DrvHlp_SUPCallVMMR0Ex, pdmR3DrvHlp_USBRegisterHub, pdmR3DrvHlp_SetAsyncNotification, pdmR3DrvHlp_AsyncNotificationCompleted, pdmR3DrvHlp_ThreadCreate, pdmR3DrvHlp_AsyncCompletionTemplateCreate, pdmR3DrvHlp_LdrGetRCInterfaceSymbols, pdmR3DrvHlp_LdrGetR0InterfaceSymbols, pdmR3DrvHlp_CritSectInit, pdmR3DrvHlp_CallR0, pdmR3DrvHlp_FTSetCheckpoint, pdmR3DrvHlp_BlkCacheRetain, PDM_DRVHLPR3_VERSION /* u32TheEnd */ }; /** @} */