/* $Id: VBoxGuestLibSharedFoldersInline.h 77881 2019-03-26 15:02:05Z vboxsync $ */ /** @file * VBoxGuestLib - Shared Folders Host Request Helpers (ring-0). */ /* * Copyright (C) 2006-2019 Oracle Corporation * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ #ifndef VBOX_INCLUDED_VBoxGuestLibSharedFoldersInline_h #define VBOX_INCLUDED_VBoxGuestLibSharedFoldersInline_h #ifndef RT_WITHOUT_PRAGMA_ONCE # pragma once #endif #include #include #include #include #include #include #include #include /** @defgroup grp_vboxguest_lib_r0_sf_inline Shared Folders Host Request Helpers * @ingroup grp_vboxguest_lib_r0 * * @note Using inline functions to avoid wasting precious ring-0 stack space on * passing parameters that ends up in the structure @a pReq points to. It * is also safe to assume that it's faster too. It's worth a few bytes * larger code section in the resulting shared folders driver. * * @note This currently requires a C++ compiler or a C compiler capable of * mixing code and variables (i.e. C99). * * @{ */ /** VMMDEV_HVF_XXX (set during init). */ extern uint32_t g_fHostFeatures; extern VBGLSFCLIENT g_SfClient; /**< Move this into the parameters? */ /** Request structure for VbglR0SfHostReqQueryFeatures. */ typedef struct VBOXSFQUERYFEATURES { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmQueryFeatures Parms; } VBOXSFQUERYFEATURES; /** * SHFL_FN_QUERY_FEATURES request. */ DECLINLINE(int) VbglR0SfHostReqQueryFeatures(VBOXSFQUERYFEATURES *pReq) { VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_QUERY_FEATURES, SHFL_CPARMS_QUERY_FEATURES, sizeof(*pReq)); pReq->Parms.f64Features.type = VMMDevHGCMParmType_64bit; pReq->Parms.f64Features.u.value64 = 0; pReq->Parms.u32LastFunction.type = VMMDevHGCMParmType_32bit; pReq->Parms.u32LastFunction.u.value32 = 0; int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, sizeof(*pReq)); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; /* * Provide fallback values based on g_fHostFeatures to simplify * compatibility with older hosts and avoid duplicating this logic. */ if (RT_FAILURE(vrc)) { pReq->Parms.f64Features.u.value64 = 0; pReq->Parms.u32LastFunction.u.value32 = g_fHostFeatures & VMMDEV_HVF_HGCM_NO_BOUNCE_PAGE_LIST ? SHFL_FN_SET_FILE_SIZE : SHFL_FN_SET_SYMLINKS; if (vrc == VERR_NOT_SUPPORTED) vrc = VINF_NOT_SUPPORTED; } return vrc; } /** * SHFL_FN_QUERY_FEATURES request, simplified version. */ DECLINLINE(int) VbglR0SfHostReqQueryFeaturesSimple(uint64_t *pfFeatures, uint32_t *puLastFunction) { VBOXSFQUERYFEATURES *pReq = (VBOXSFQUERYFEATURES *)VbglR0PhysHeapAlloc(sizeof(*pReq)); if (pReq) { int rc = VbglR0SfHostReqQueryFeatures(pReq); if (pfFeatures) *pfFeatures = pReq->Parms.f64Features.u.value64; if (puLastFunction) *puLastFunction = pReq->Parms.u32LastFunction.u.value32; VbglR0PhysHeapFree(pReq); return rc; } return VERR_NO_MEMORY; } /** Request structure for VbglR0SfHostReqSetUtf8 and VbglR0SfHostReqSetSymlink. */ typedef struct VBOXSFNOPARMS { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; /* no parameters */ } VBOXSFNOPARMS; /** * Worker for request without any parameters. */ DECLINLINE(int) VbglR0SfHostReqNoParms(VBOXSFNOPARMS *pReq, uint32_t uFunction, uint32_t cParms) { VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, uFunction, cParms, sizeof(*pReq)); int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, sizeof(*pReq)); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** * Worker for request without any parameters, simplified. */ DECLINLINE(int) VbglR0SfHostReqNoParmsSimple(uint32_t uFunction, uint32_t cParms) { VBOXSFNOPARMS *pReq = (VBOXSFNOPARMS *)VbglR0PhysHeapAlloc(sizeof(*pReq)); if (pReq) { int vrc = VbglR0SfHostReqNoParms(pReq, uFunction, cParms); VbglR0PhysHeapFree(pReq); return vrc; } return VERR_NO_MEMORY; } /** * SHFL_F_SET_UTF8 request. */ DECLINLINE(int) VbglR0SfHostReqSetUtf8(VBOXSFNOPARMS *pReq) { return VbglR0SfHostReqNoParms(pReq, SHFL_FN_SET_UTF8, SHFL_CPARMS_SET_UTF8); } /** * SHFL_F_SET_UTF8 request, simplified version. */ DECLINLINE(int) VbglR0SfHostReqSetUtf8Simple(void) { return VbglR0SfHostReqNoParmsSimple(SHFL_FN_SET_UTF8, SHFL_CPARMS_SET_UTF8); } /** * SHFL_F_SET_SYMLINKS request. */ DECLINLINE(int) VbglR0SfHostReqSetSymlinks(VBOXSFNOPARMS *pReq) { return VbglR0SfHostReqNoParms(pReq, SHFL_FN_SET_SYMLINKS, SHFL_CPARMS_SET_SYMLINKS); } /** * SHFL_F_SET_SYMLINKS request, simplified version. */ DECLINLINE(int) VbglR0SfHostReqSetSymlinksSimple(void) { return VbglR0SfHostReqNoParmsSimple(SHFL_FN_SET_SYMLINKS, SHFL_CPARMS_SET_SYMLINKS); } /** Request structure for VbglR0SfHostReqMapFolderWithBuf. */ typedef struct VBOXSFMAPFOLDERWITHBUFREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmMapFolder Parms; HGCMPageListInfo PgLst; } VBOXSFMAPFOLDERWITHBUFREQ; /** * SHFL_FN_MAP_FOLDER request. */ DECLINLINE(int) VbglR0SfHostReqMapFolderWithContig(VBOXSFMAPFOLDERWITHBUFREQ *pReq, PSHFLSTRING pStrName, RTGCPHYS64 PhysStrName, RTUTF16 wcDelimiter, bool fCaseSensitive) { VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_MAP_FOLDER, SHFL_CPARMS_MAP_FOLDER, sizeof(*pReq)); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = SHFL_ROOT_NIL; pReq->Parms.uc32Delimiter.type = VMMDevHGCMParmType_32bit; pReq->Parms.uc32Delimiter.u.value32 = wcDelimiter; pReq->Parms.fCaseSensitive.type = VMMDevHGCMParmType_32bit; pReq->Parms.fCaseSensitive.u.value32 = fCaseSensitive; if (g_fHostFeatures & VMMDEV_HVF_HGCM_CONTIGUOUS_PAGE_LIST) { pReq->Parms.pStrName.type = VMMDevHGCMParmType_PageList; pReq->Parms.pStrName.u.PageList.size = SHFLSTRING_HEADER_SIZE + pStrName->u16Size; pReq->Parms.pStrName.u.PageList.offset = RT_UOFFSETOF(VBOXSFMAPFOLDERWITHBUFREQ, PgLst) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->PgLst.flags = VBOX_HGCM_F_PARM_DIRECTION_BOTH; pReq->PgLst.offFirstPage = (uint16_t)PhysStrName & (uint16_t)(PAGE_OFFSET_MASK); pReq->PgLst.aPages[0] = PhysStrName & ~(RTGCPHYS64)PAGE_OFFSET_MASK; pReq->PgLst.cPages = 1; } else { pReq->Parms.pStrName.type = VMMDevHGCMParmType_LinAddr_In; pReq->Parms.pStrName.u.LinAddr.cb = SHFLSTRING_HEADER_SIZE + pStrName->u16Size; pReq->Parms.pStrName.u.LinAddr.uAddr = (uintptr_t)pStrName; } int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, sizeof(*pReq)); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** * SHFL_FN_MAP_FOLDER request. */ DECLINLINE(int) VbglR0SfHostReqMapFolderWithContigSimple(PSHFLSTRING pStrName, RTGCPHYS64 PhysStrName, RTUTF16 wcDelimiter, bool fCaseSensitive, SHFLROOT *pidRoot) { VBOXSFMAPFOLDERWITHBUFREQ *pReq = (VBOXSFMAPFOLDERWITHBUFREQ *)VbglR0PhysHeapAlloc(sizeof(*pReq)); if (pReq) { int rc = VbglR0SfHostReqMapFolderWithContig(pReq, pStrName, PhysStrName, wcDelimiter, fCaseSensitive); *pidRoot = RT_SUCCESS(rc) ? pReq->Parms.id32Root.u.value32 : SHFL_ROOT_NIL; VbglR0PhysHeapFree(pReq); return rc; } *pidRoot = SHFL_ROOT_NIL; return VERR_NO_MEMORY; } /** * SHFL_FN_MAP_FOLDER request. */ DECLINLINE(int) VbglR0SfHostReqMapFolderWithBuf(VBOXSFMAPFOLDERWITHBUFREQ *pReq, PSHFLSTRING pStrName, RTUTF16 wcDelimiter, bool fCaseSensitive) { return VbglR0SfHostReqMapFolderWithContig(pReq, pStrName, VbglR0PhysHeapGetPhysAddr(pStrName), wcDelimiter, fCaseSensitive); } /** Request structure used by vboxSfOs2HostReqUnmapFolder. */ typedef struct VBOXSFUNMAPFOLDERREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmUnmapFolder Parms; } VBOXSFUNMAPFOLDERREQ; /** * SHFL_FN_UNMAP_FOLDER request. */ DECLINLINE(int) VbglR0SfHostReqUnmapFolderSimple(uint32_t idRoot) { VBOXSFUNMAPFOLDERREQ *pReq = (VBOXSFUNMAPFOLDERREQ *)VbglR0PhysHeapAlloc(sizeof(*pReq)); if (pReq) { pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_UNMAP_FOLDER, SHFL_CPARMS_UNMAP_FOLDER, sizeof(*pReq)); int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, sizeof(*pReq)); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; VbglR0PhysHeapFree(pReq); return vrc; } return VERR_NO_MEMORY; } /** Request structure for VbglR0SfHostReqCreate. */ typedef struct VBOXSFCREATEREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmCreate Parms; SHFLCREATEPARMS CreateParms; SHFLSTRING StrPath; } VBOXSFCREATEREQ; /** * SHFL_FN_CREATE request. */ DECLINLINE(int) VbglR0SfHostReqCreate(SHFLROOT idRoot, VBOXSFCREATEREQ *pReq) { uint32_t const cbReq = g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS ? RT_UOFFSETOF(VBOXSFCREATEREQ, StrPath.String) + pReq->StrPath.u16Size : RT_UOFFSETOF(VBOXSFCREATEREQ, CreateParms); VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_CREATE, SHFL_CPARMS_CREATE, cbReq); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; if (g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS) { pReq->Parms.pStrPath.type = VMMDevHGCMParmType_Embedded; pReq->Parms.pStrPath.u.Embedded.cbData = SHFLSTRING_HEADER_SIZE + pReq->StrPath.u16Size; pReq->Parms.pStrPath.u.Embedded.offData = RT_UOFFSETOF(VBOXSFCREATEREQ, StrPath) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->Parms.pStrPath.u.Embedded.fFlags = VBOX_HGCM_F_PARM_DIRECTION_TO_HOST; pReq->Parms.pCreateParms.type = VMMDevHGCMParmType_Embedded; pReq->Parms.pCreateParms.u.Embedded.cbData = sizeof(pReq->CreateParms); pReq->Parms.pCreateParms.u.Embedded.offData = RT_UOFFSETOF(VBOXSFCREATEREQ, CreateParms) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->Parms.pCreateParms.u.Embedded.fFlags = VBOX_HGCM_F_PARM_DIRECTION_BOTH; } else { pReq->Parms.pStrPath.type = VMMDevHGCMParmType_LinAddr_In; pReq->Parms.pStrPath.u.LinAddr.cb = SHFLSTRING_HEADER_SIZE + pReq->StrPath.u16Size; pReq->Parms.pStrPath.u.LinAddr.uAddr = (uintptr_t)&pReq->StrPath; pReq->Parms.pCreateParms.type = VMMDevHGCMParmType_LinAddr; pReq->Parms.pCreateParms.u.LinAddr.cb = sizeof(pReq->CreateParms); pReq->Parms.pCreateParms.u.LinAddr.uAddr = (uintptr_t)&pReq->CreateParms; } int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, cbReq); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** Request structure for VbglR0SfHostReqClose. */ typedef struct VBOXSFCLOSEREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmClose Parms; } VBOXSFCLOSEREQ; /** * SHFL_FN_CLOSE request. */ DECLINLINE(int) VbglR0SfHostReqClose(SHFLROOT idRoot, VBOXSFCLOSEREQ *pReq, uint64_t hHostFile) { VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_CLOSE, SHFL_CPARMS_CLOSE, sizeof(*pReq)); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; pReq->Parms.u64Handle.type = VMMDevHGCMParmType_64bit; pReq->Parms.u64Handle.u.value64 = hHostFile; int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, sizeof(*pReq)); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** * SHFL_FN_CLOSE request, allocate request buffer. */ DECLINLINE(int) VbglR0SfHostReqCloseSimple(SHFLROOT idRoot, uint64_t hHostFile) { VBOXSFCLOSEREQ *pReq = (VBOXSFCLOSEREQ *)VbglR0PhysHeapAlloc(sizeof(*pReq)); if (pReq) { int vrc = VbglR0SfHostReqClose(idRoot, pReq, hHostFile); VbglR0PhysHeapFree(pReq); return vrc; } return VERR_NO_MEMORY; } /** Request structure for VbglR0SfHostReqQueryVolInfo. */ typedef struct VBOXSFVOLINFOREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmInformation Parms; SHFLVOLINFO VolInfo; } VBOXSFVOLINFOREQ; /** * SHFL_FN_INFORMATION[SHFL_INFO_VOLUME | SHFL_INFO_GET] request. */ DECLINLINE(int) VbglR0SfHostReqQueryVolInfo(SHFLROOT idRoot, VBOXSFVOLINFOREQ *pReq, uint64_t hHostFile) { uint32_t const cbReq = g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS ? sizeof(*pReq) : RT_UOFFSETOF(VBOXSFVOLINFOREQ, VolInfo); VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_INFORMATION, SHFL_CPARMS_INFORMATION, cbReq); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; pReq->Parms.u64Handle.type = VMMDevHGCMParmType_64bit; pReq->Parms.u64Handle.u.value64 = hHostFile; pReq->Parms.f32Flags.type = VMMDevHGCMParmType_32bit; pReq->Parms.f32Flags.u.value32 = SHFL_INFO_VOLUME | SHFL_INFO_GET; pReq->Parms.cb32.type = VMMDevHGCMParmType_32bit; pReq->Parms.cb32.u.value32 = sizeof(pReq->VolInfo); if (g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS) { pReq->Parms.pInfo.type = VMMDevHGCMParmType_Embedded; pReq->Parms.pInfo.u.Embedded.cbData = sizeof(pReq->VolInfo); pReq->Parms.pInfo.u.Embedded.offData = RT_UOFFSETOF(VBOXSFVOLINFOREQ, VolInfo) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->Parms.pInfo.u.Embedded.fFlags = VBOX_HGCM_F_PARM_DIRECTION_FROM_HOST; } else { pReq->Parms.pInfo.type = VMMDevHGCMParmType_LinAddr_Out; pReq->Parms.pInfo.u.LinAddr.cb = sizeof(pReq->VolInfo); pReq->Parms.pInfo.u.LinAddr.uAddr = (uintptr_t)&pReq->VolInfo; } int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, cbReq); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** Request structure for VbglR0SfHostReqSetObjInfo & VbglR0SfHostReqQueryObjInfo. */ typedef struct VBOXSFOBJINFOREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmInformation Parms; SHFLFSOBJINFO ObjInfo; } VBOXSFOBJINFOREQ; /** * SHFL_FN_INFORMATION[SHFL_INFO_GET | SHFL_INFO_FILE] request. */ DECLINLINE(int) VbglR0SfHostReqQueryObjInfo(SHFLROOT idRoot, VBOXSFOBJINFOREQ *pReq, uint64_t hHostFile) { uint32_t const cbReq = g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS ? sizeof(*pReq) : RT_UOFFSETOF(VBOXSFOBJINFOREQ, ObjInfo); VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_INFORMATION, SHFL_CPARMS_INFORMATION, cbReq); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; pReq->Parms.u64Handle.type = VMMDevHGCMParmType_64bit; pReq->Parms.u64Handle.u.value64 = hHostFile; pReq->Parms.f32Flags.type = VMMDevHGCMParmType_32bit; pReq->Parms.f32Flags.u.value32 = SHFL_INFO_GET | SHFL_INFO_FILE; pReq->Parms.cb32.type = VMMDevHGCMParmType_32bit; pReq->Parms.cb32.u.value32 = sizeof(pReq->ObjInfo); if (g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS) { pReq->Parms.pInfo.type = VMMDevHGCMParmType_Embedded; pReq->Parms.pInfo.u.Embedded.cbData = sizeof(pReq->ObjInfo); pReq->Parms.pInfo.u.Embedded.offData = RT_UOFFSETOF(VBOXSFOBJINFOREQ, ObjInfo) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->Parms.pInfo.u.Embedded.fFlags = VBOX_HGCM_F_PARM_DIRECTION_FROM_HOST; } else { pReq->Parms.pInfo.type = VMMDevHGCMParmType_LinAddr_Out; pReq->Parms.pInfo.u.LinAddr.cb = sizeof(pReq->ObjInfo); pReq->Parms.pInfo.u.LinAddr.uAddr = (uintptr_t)&pReq->ObjInfo; } int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, cbReq); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** * SHFL_FN_INFORMATION[SHFL_INFO_SET | SHFL_INFO_FILE] request. */ DECLINLINE(int) VbglR0SfHostReqSetObjInfo(SHFLROOT idRoot, VBOXSFOBJINFOREQ *pReq, uint64_t hHostFile) { uint32_t const cbReq = g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS ? sizeof(*pReq) : RT_UOFFSETOF(VBOXSFOBJINFOREQ, ObjInfo); VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_INFORMATION, SHFL_CPARMS_INFORMATION, cbReq); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; pReq->Parms.u64Handle.type = VMMDevHGCMParmType_64bit; pReq->Parms.u64Handle.u.value64 = hHostFile; pReq->Parms.f32Flags.type = VMMDevHGCMParmType_32bit; pReq->Parms.f32Flags.u.value32 = SHFL_INFO_SET | SHFL_INFO_FILE; pReq->Parms.cb32.type = VMMDevHGCMParmType_32bit; pReq->Parms.cb32.u.value32 = sizeof(pReq->ObjInfo); if (g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS) { pReq->Parms.pInfo.type = VMMDevHGCMParmType_Embedded; pReq->Parms.pInfo.u.Embedded.cbData = sizeof(pReq->ObjInfo); pReq->Parms.pInfo.u.Embedded.offData = RT_UOFFSETOF(VBOXSFOBJINFOREQ, ObjInfo) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->Parms.pInfo.u.Embedded.fFlags = VBOX_HGCM_F_PARM_DIRECTION_BOTH; } else { pReq->Parms.pInfo.type = VMMDevHGCMParmType_LinAddr; pReq->Parms.pInfo.u.LinAddr.cb = sizeof(pReq->ObjInfo); pReq->Parms.pInfo.u.LinAddr.uAddr = (uintptr_t)&pReq->ObjInfo; } int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, cbReq); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** * SHFL_FN_INFORMATION[SHFL_INFO_SET | SHFL_INFO_SIZE] request. */ DECLINLINE(int) VbglR0SfHostReqSetFileSizeOld(SHFLROOT idRoot, VBOXSFOBJINFOREQ *pReq, uint64_t hHostFile) { uint32_t const cbReq = g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS ? sizeof(*pReq) : RT_UOFFSETOF(VBOXSFOBJINFOREQ, ObjInfo); VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_INFORMATION, SHFL_CPARMS_INFORMATION, cbReq); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; pReq->Parms.u64Handle.type = VMMDevHGCMParmType_64bit; pReq->Parms.u64Handle.u.value64 = hHostFile; pReq->Parms.f32Flags.type = VMMDevHGCMParmType_32bit; pReq->Parms.f32Flags.u.value32 = SHFL_INFO_SET | SHFL_INFO_SIZE; pReq->Parms.cb32.type = VMMDevHGCMParmType_32bit; pReq->Parms.cb32.u.value32 = sizeof(pReq->ObjInfo); if (g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS) { pReq->Parms.pInfo.type = VMMDevHGCMParmType_Embedded; pReq->Parms.pInfo.u.Embedded.cbData = sizeof(pReq->ObjInfo); pReq->Parms.pInfo.u.Embedded.offData = RT_UOFFSETOF(VBOXSFOBJINFOREQ, ObjInfo) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->Parms.pInfo.u.Embedded.fFlags = VBOX_HGCM_F_PARM_DIRECTION_BOTH; } else { pReq->Parms.pInfo.type = VMMDevHGCMParmType_LinAddr; pReq->Parms.pInfo.u.LinAddr.cb = sizeof(pReq->ObjInfo); pReq->Parms.pInfo.u.LinAddr.uAddr = (uintptr_t)&pReq->ObjInfo; } int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, cbReq); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** Request structure for VbglR0SfHostReqSetObjInfo. */ typedef struct VBOXSFOBJINFOWITHBUFREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmInformation Parms; HGCMPageListInfo PgLst; } VBOXSFOBJINFOWITHBUFREQ; /** * SHFL_FN_INFORMATION[SHFL_INFO_SET | SHFL_INFO_FILE] request, with separate * buffer (on the physical heap). */ DECLINLINE(int) VbglR0SfHostReqSetObjInfoWithBuf(SHFLROOT idRoot, VBOXSFOBJINFOWITHBUFREQ *pReq, uint64_t hHostFile, PSHFLFSOBJINFO pObjInfo, uint32_t offObjInfoInAlloc) { VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_INFORMATION, SHFL_CPARMS_INFORMATION, sizeof(*pReq)); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; pReq->Parms.u64Handle.type = VMMDevHGCMParmType_64bit; pReq->Parms.u64Handle.u.value64 = hHostFile; pReq->Parms.f32Flags.type = VMMDevHGCMParmType_32bit; pReq->Parms.f32Flags.u.value32 = SHFL_INFO_SET | SHFL_INFO_FILE; pReq->Parms.cb32.type = VMMDevHGCMParmType_32bit; pReq->Parms.cb32.u.value32 = sizeof(*pObjInfo); if (g_fHostFeatures & VMMDEV_HVF_HGCM_CONTIGUOUS_PAGE_LIST) { pReq->Parms.pInfo.type = VMMDevHGCMParmType_ContiguousPageList; pReq->Parms.pInfo.u.PageList.size = sizeof(*pObjInfo); pReq->Parms.pInfo.u.PageList.offset = RT_UOFFSETOF(VBOXSFOBJINFOREQ, ObjInfo) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->PgLst.flags = VBOX_HGCM_F_PARM_DIRECTION_BOTH; pReq->PgLst.aPages[0] = VbglR0PhysHeapGetPhysAddr((uint8_t *)pObjInfo - offObjInfoInAlloc) + offObjInfoInAlloc; pReq->PgLst.offFirstPage = (uint16_t)(pReq->PgLst.aPages[0] & PAGE_OFFSET_MASK); pReq->PgLst.aPages[0] &= ~(RTGCPHYS)PAGE_OFFSET_MASK; pReq->PgLst.cPages = 1; } else { pReq->Parms.pInfo.type = VMMDevHGCMParmType_LinAddr; pReq->Parms.pInfo.u.LinAddr.cb = sizeof(*pObjInfo); pReq->Parms.pInfo.u.LinAddr.uAddr = (uintptr_t)pObjInfo; } int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, sizeof(*pReq)); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** Request structure for VbglR0SfHostReqRemove. */ typedef struct VBOXSFREMOVEREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmRemove Parms; SHFLSTRING StrPath; } VBOXSFREMOVEREQ; /** * SHFL_FN_REMOVE request. */ DECLINLINE(int) VbglR0SfHostReqRemove(SHFLROOT idRoot, VBOXSFREMOVEREQ *pReq, uint32_t fFlags) { uint32_t const cbReq = RT_UOFFSETOF(VBOXSFREMOVEREQ, StrPath.String) + (g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS ? pReq->StrPath.u16Size : 0); VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_REMOVE, SHFL_CPARMS_REMOVE, cbReq); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; if (g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS) { pReq->Parms.pStrPath.type = VMMDevHGCMParmType_Embedded; pReq->Parms.pStrPath.u.Embedded.cbData = SHFLSTRING_HEADER_SIZE + pReq->StrPath.u16Size; pReq->Parms.pStrPath.u.Embedded.offData = RT_UOFFSETOF(VBOXSFREMOVEREQ, StrPath) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->Parms.pStrPath.u.Embedded.fFlags = VBOX_HGCM_F_PARM_DIRECTION_TO_HOST; } else { pReq->Parms.pStrPath.type = VMMDevHGCMParmType_LinAddr_In; pReq->Parms.pStrPath.u.LinAddr.cb = SHFLSTRING_HEADER_SIZE + pReq->StrPath.u16Size; pReq->Parms.pStrPath.u.LinAddr.uAddr = (uintptr_t)&pReq->StrPath; } pReq->Parms.f32Flags.type = VMMDevHGCMParmType_32bit; pReq->Parms.f32Flags.u.value32 = fFlags; int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, cbReq); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** Request structure for VbglR0SfHostReqRenameWithSrcContig and * VbglR0SfHostReqRenameWithSrcBuf. */ typedef struct VBOXSFRENAMEWITHSRCBUFREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmRename Parms; HGCMPageListInfo PgLst; SHFLSTRING StrDstPath; } VBOXSFRENAMEWITHSRCBUFREQ; /** * SHFL_FN_REMOVE request. */ DECLINLINE(int) VbglR0SfHostReqRenameWithSrcContig(SHFLROOT idRoot, VBOXSFRENAMEWITHSRCBUFREQ *pReq, PSHFLSTRING pSrcStr, RTGCPHYS64 PhysSrcStr, uint32_t fFlags) { uint32_t const cbReq = RT_UOFFSETOF(VBOXSFRENAMEWITHSRCBUFREQ, StrDstPath.String) + (g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS ? pReq->StrDstPath.u16Size : 0); VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_RENAME, SHFL_CPARMS_RENAME, cbReq); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; if (g_fHostFeatures & VMMDEV_HVF_HGCM_CONTIGUOUS_PAGE_LIST) { pReq->Parms.pStrSrcPath.type = VMMDevHGCMParmType_ContiguousPageList; pReq->Parms.pStrSrcPath.u.PageList.size = SHFLSTRING_HEADER_SIZE + pSrcStr->u16Size; pReq->Parms.pStrSrcPath.u.PageList.offset = RT_UOFFSETOF(VBOXSFRENAMEWITHSRCBUFREQ, PgLst) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->PgLst.flags = VBOX_HGCM_F_PARM_DIRECTION_TO_HOST; pReq->PgLst.offFirstPage = (uint16_t)PhysSrcStr & (uint16_t)(PAGE_OFFSET_MASK); pReq->PgLst.aPages[0] = PhysSrcStr & ~(RTGCPHYS64)PAGE_OFFSET_MASK; pReq->PgLst.cPages = 1; } else { pReq->Parms.pStrSrcPath.type = VMMDevHGCMParmType_LinAddr_In; pReq->Parms.pStrSrcPath.u.LinAddr.cb = SHFLSTRING_HEADER_SIZE + pSrcStr->u16Size; pReq->Parms.pStrSrcPath.u.LinAddr.uAddr = (uintptr_t)pSrcStr; } if (g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS) { pReq->Parms.pStrDstPath.type = VMMDevHGCMParmType_Embedded; pReq->Parms.pStrDstPath.u.Embedded.cbData = SHFLSTRING_HEADER_SIZE + pReq->StrDstPath.u16Size; pReq->Parms.pStrDstPath.u.Embedded.offData = RT_UOFFSETOF(VBOXSFRENAMEWITHSRCBUFREQ, StrDstPath) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->Parms.pStrDstPath.u.Embedded.fFlags = VBOX_HGCM_F_PARM_DIRECTION_TO_HOST; } else { pReq->Parms.pStrDstPath.type = VMMDevHGCMParmType_LinAddr_In; pReq->Parms.pStrDstPath.u.LinAddr.cb = SHFLSTRING_HEADER_SIZE + pReq->StrDstPath.u16Size; pReq->Parms.pStrDstPath.u.LinAddr.uAddr = (uintptr_t)&pReq->StrDstPath; } pReq->Parms.f32Flags.type = VMMDevHGCMParmType_32bit; pReq->Parms.f32Flags.u.value32 = fFlags; int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, cbReq); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** * SHFL_FN_REMOVE request. */ DECLINLINE(int) VbglR0SfHostReqRenameWithSrcBuf(SHFLROOT idRoot, VBOXSFRENAMEWITHSRCBUFREQ *pReq, PSHFLSTRING pSrcStr, uint32_t fFlags) { return VbglR0SfHostReqRenameWithSrcContig(idRoot, pReq, pSrcStr, VbglR0PhysHeapGetPhysAddr(pSrcStr), fFlags); } /** Request structure for VbglR0SfHostReqFlush. */ typedef struct VBOXSFFLUSHREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmFlush Parms; } VBOXSFFLUSHREQ; /** * SHFL_FN_FLUSH request. */ DECLINLINE(int) VbglR0SfHostReqFlush(SHFLROOT idRoot, VBOXSFFLUSHREQ *pReq, uint64_t hHostFile) { VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_FLUSH, SHFL_CPARMS_FLUSH, sizeof(*pReq)); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; pReq->Parms.u64Handle.type = VMMDevHGCMParmType_64bit; pReq->Parms.u64Handle.u.value64 = hHostFile; int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, sizeof(*pReq)); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** * SHFL_FN_FLUSH request, allocate request buffer. */ DECLINLINE(int) VbglR0SfHostReqFlushSimple(SHFLROOT idRoot, uint64_t hHostFile) { VBOXSFFLUSHREQ *pReq = (VBOXSFFLUSHREQ *)VbglR0PhysHeapAlloc(sizeof(*pReq)); if (pReq) { int vrc = VbglR0SfHostReqFlush(idRoot, pReq, hHostFile); VbglR0PhysHeapFree(pReq); return vrc; } return VERR_NO_MEMORY; } /** Request structure for VbglR0SfHostReqSetFileSize. */ typedef struct VBOXSFSETFILESIZEREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmSetFileSize Parms; } VBOXSFSETFILESIZEREQ; /** * SHFL_FN_SET_FILE_SIZE request. */ DECLINLINE(int) VbglR0SfHostReqSetFileSize(SHFLROOT idRoot, VBOXSFSETFILESIZEREQ *pReq, uint64_t hHostFile, uint64_t cbNewSize) { VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_SET_FILE_SIZE, SHFL_CPARMS_SET_FILE_SIZE, sizeof(*pReq)); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; pReq->Parms.u64Handle.type = VMMDevHGCMParmType_64bit; pReq->Parms.u64Handle.u.value64 = hHostFile; pReq->Parms.cb64NewSize.type = VMMDevHGCMParmType_64bit; pReq->Parms.cb64NewSize.u.value64 = cbNewSize; int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, sizeof(*pReq)); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** * SHFL_FN_SET_FILE_SIZE request, allocate request buffer. */ DECLINLINE(int) VbglR0SfHostReqSetFileSizeSimple(SHFLROOT idRoot, uint64_t hHostFile, uint64_t cbNewSize) { VBOXSFSETFILESIZEREQ *pReq = (VBOXSFSETFILESIZEREQ *)VbglR0PhysHeapAlloc(sizeof(*pReq)); if (pReq) { int vrc = VbglR0SfHostReqSetFileSize(idRoot, pReq, hHostFile, cbNewSize); VbglR0PhysHeapFree(pReq); return vrc; } return VERR_NO_MEMORY; } /** Request structure for VbglR0SfHostReqReadEmbedded. */ typedef struct VBOXSFREADEMBEDDEDREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmRead Parms; uint8_t abData[RT_FLEXIBLE_ARRAY]; } VBOXSFREADEMBEDDEDREQ; /** * SHFL_FN_READ request using embedded data buffer. */ DECLINLINE(int) VbglR0SfHostReqReadEmbedded(SHFLROOT idRoot, VBOXSFREADEMBEDDEDREQ *pReq, uint64_t hHostFile, uint64_t offRead, uint32_t cbToRead) { uint32_t const cbReq = RT_UOFFSETOF(VBOXSFREADEMBEDDEDREQ, abData[0]) + (g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS ? cbToRead : 0); VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_READ, SHFL_CPARMS_READ, cbReq); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; pReq->Parms.u64Handle.type = VMMDevHGCMParmType_64bit; pReq->Parms.u64Handle.u.value64 = hHostFile; pReq->Parms.off64Read.type = VMMDevHGCMParmType_64bit; pReq->Parms.off64Read.u.value64 = offRead; pReq->Parms.cb32Read.type = VMMDevHGCMParmType_32bit; pReq->Parms.cb32Read.u.value32 = cbToRead; if (g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS) { pReq->Parms.pBuf.type = VMMDevHGCMParmType_Embedded; pReq->Parms.pBuf.u.Embedded.cbData = cbToRead; pReq->Parms.pBuf.u.Embedded.offData = RT_UOFFSETOF(VBOXSFREADEMBEDDEDREQ, abData[0]) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->Parms.pBuf.u.Embedded.fFlags = VBOX_HGCM_F_PARM_DIRECTION_FROM_HOST; } else { pReq->Parms.pBuf.type = VMMDevHGCMParmType_LinAddr_Out; pReq->Parms.pBuf.u.LinAddr.cb = cbToRead; pReq->Parms.pBuf.u.LinAddr.uAddr = (uintptr_t)&pReq->abData[0]; } int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, cbReq); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** Request structure for vboxSfOs2HostReqRead & VbglR0SfHostReqReadContig. */ typedef struct VBOXSFREADPGLSTREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmRead Parms; HGCMPageListInfo PgLst; } VBOXSFREADPGLSTREQ; /** * SHFL_FN_READ request using page list for data buffer (caller populated). */ DECLINLINE(int) VbglR0SfHostReqReadPgLst(SHFLROOT idRoot, VBOXSFREADPGLSTREQ *pReq, uint64_t hHostFile, uint64_t offRead, uint32_t cbToRead, uint32_t cPages) { VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_READ, SHFL_CPARMS_READ, RT_UOFFSETOF_DYN(VBOXSFREADPGLSTREQ, PgLst.aPages[cPages])); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; pReq->Parms.u64Handle.type = VMMDevHGCMParmType_64bit; pReq->Parms.u64Handle.u.value64 = hHostFile; pReq->Parms.off64Read.type = VMMDevHGCMParmType_64bit; pReq->Parms.off64Read.u.value64 = offRead; pReq->Parms.cb32Read.type = VMMDevHGCMParmType_32bit; pReq->Parms.cb32Read.u.value32 = cbToRead; pReq->Parms.pBuf.type = g_fHostFeatures & VMMDEV_HVF_HGCM_NO_BOUNCE_PAGE_LIST ? VMMDevHGCMParmType_NoBouncePageList : VMMDevHGCMParmType_PageList; pReq->Parms.pBuf.u.PageList.size = cbToRead; pReq->Parms.pBuf.u.PageList.offset = RT_UOFFSETOF(VBOXSFREADPGLSTREQ, PgLst) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->PgLst.flags = VBOX_HGCM_F_PARM_DIRECTION_FROM_HOST; pReq->PgLst.cPages = (uint16_t)cPages; AssertReturn(cPages <= UINT16_MAX, VERR_OUT_OF_RANGE); /* caller sets offset */ int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, RT_UOFFSETOF_DYN(VBOXSFREADPGLSTREQ, PgLst.aPages[cPages])); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** * SHFL_FN_READ request using a physically contiguous buffer. */ DECLINLINE(int) VbglR0SfHostReqReadContig(SHFLROOT idRoot, VBOXSFREADPGLSTREQ *pReq, uint64_t hHostFile, uint64_t offRead, uint32_t cbToRead, void *pvBuffer, RTGCPHYS64 PhysBuffer) { VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_READ, SHFL_CPARMS_READ, RT_UOFFSETOF_DYN(VBOXSFREADPGLSTREQ, PgLst.aPages[1])); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; pReq->Parms.u64Handle.type = VMMDevHGCMParmType_64bit; pReq->Parms.u64Handle.u.value64 = hHostFile; pReq->Parms.off64Read.type = VMMDevHGCMParmType_64bit; pReq->Parms.off64Read.u.value64 = offRead; pReq->Parms.cb32Read.type = VMMDevHGCMParmType_32bit; pReq->Parms.cb32Read.u.value32 = cbToRead; if (g_fHostFeatures & VMMDEV_HVF_HGCM_CONTIGUOUS_PAGE_LIST) { pReq->Parms.pBuf.type = VMMDevHGCMParmType_ContiguousPageList; pReq->Parms.pBuf.u.PageList.size = cbToRead; pReq->Parms.pBuf.u.PageList.offset = RT_UOFFSETOF(VBOXSFREADPGLSTREQ, PgLst) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->PgLst.flags = VBOX_HGCM_F_PARM_DIRECTION_FROM_HOST; pReq->PgLst.offFirstPage = (uint16_t)(PhysBuffer & PAGE_OFFSET_MASK); pReq->PgLst.cPages = 1; pReq->PgLst.aPages[0] = PhysBuffer & ~(RTGCPHYS64)PAGE_OFFSET_MASK; } else { pReq->Parms.pBuf.type = VMMDevHGCMParmType_LinAddr_Out; pReq->Parms.pBuf.u.LinAddr.cb = cbToRead; pReq->Parms.pBuf.u.LinAddr.uAddr = (uintptr_t)pvBuffer; } int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, RT_UOFFSETOF_DYN(VBOXSFREADPGLSTREQ, PgLst.aPages[1])); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** Request structure for VbglR0SfHostReqWriteEmbedded. */ typedef struct VBOXSFWRITEEMBEDDEDREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmWrite Parms; uint8_t abData[RT_FLEXIBLE_ARRAY]; } VBOXSFWRITEEMBEDDEDREQ; /** * SHFL_FN_WRITE request using embedded data buffer. */ DECLINLINE(int) VbglR0SfHostReqWriteEmbedded(SHFLROOT idRoot, VBOXSFWRITEEMBEDDEDREQ *pReq, uint64_t hHostFile, uint64_t offWrite, uint32_t cbToWrite) { uint32_t const cbReq = RT_UOFFSETOF(VBOXSFWRITEEMBEDDEDREQ, abData[0]) + (g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS ? cbToWrite : 0); VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_WRITE, SHFL_CPARMS_WRITE, cbReq); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; pReq->Parms.u64Handle.type = VMMDevHGCMParmType_64bit; pReq->Parms.u64Handle.u.value64 = hHostFile; pReq->Parms.off64Write.type = VMMDevHGCMParmType_64bit; pReq->Parms.off64Write.u.value64 = offWrite; pReq->Parms.cb32Write.type = VMMDevHGCMParmType_32bit; pReq->Parms.cb32Write.u.value32 = cbToWrite; if (g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS) { pReq->Parms.pBuf.type = VMMDevHGCMParmType_Embedded; pReq->Parms.pBuf.u.Embedded.cbData = cbToWrite; pReq->Parms.pBuf.u.Embedded.offData = RT_UOFFSETOF(VBOXSFWRITEEMBEDDEDREQ, abData[0]) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->Parms.pBuf.u.Embedded.fFlags = VBOX_HGCM_F_PARM_DIRECTION_TO_HOST; } else { pReq->Parms.pBuf.type = VMMDevHGCMParmType_LinAddr_In; pReq->Parms.pBuf.u.LinAddr.cb = cbToWrite; pReq->Parms.pBuf.u.LinAddr.uAddr = (uintptr_t)&pReq->abData[0]; } int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, cbReq); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** Request structure for vboxSfOs2HostReqWrite and VbglR0SfHostReqWriteContig. */ typedef struct VBOXSFWRITEPGLSTREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmWrite Parms; HGCMPageListInfo PgLst; } VBOXSFWRITEPGLSTREQ; /** * SHFL_FN_WRITE request using page list for data buffer (caller populated). */ DECLINLINE(int) VbglR0SfHostReqWritePgLst(SHFLROOT idRoot, VBOXSFWRITEPGLSTREQ *pReq, uint64_t hHostFile, uint64_t offWrite, uint32_t cbToWrite, uint32_t cPages) { VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_WRITE, SHFL_CPARMS_WRITE, RT_UOFFSETOF_DYN(VBOXSFWRITEPGLSTREQ, PgLst.aPages[cPages])); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; pReq->Parms.u64Handle.type = VMMDevHGCMParmType_64bit; pReq->Parms.u64Handle.u.value64 = hHostFile; pReq->Parms.off64Write.type = VMMDevHGCMParmType_64bit; pReq->Parms.off64Write.u.value64 = offWrite; pReq->Parms.cb32Write.type = VMMDevHGCMParmType_32bit; pReq->Parms.cb32Write.u.value32 = cbToWrite; pReq->Parms.pBuf.type = g_fHostFeatures & VMMDEV_HVF_HGCM_NO_BOUNCE_PAGE_LIST ? VMMDevHGCMParmType_NoBouncePageList : VMMDevHGCMParmType_PageList;; pReq->Parms.pBuf.u.PageList.size = cbToWrite; pReq->Parms.pBuf.u.PageList.offset = RT_UOFFSETOF(VBOXSFWRITEPGLSTREQ, PgLst) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->PgLst.flags = VBOX_HGCM_F_PARM_DIRECTION_TO_HOST; pReq->PgLst.cPages = (uint16_t)cPages; AssertReturn(cPages <= UINT16_MAX, VERR_OUT_OF_RANGE); /* caller sets offset */ int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, RT_UOFFSETOF_DYN(VBOXSFWRITEPGLSTREQ, PgLst.aPages[cPages])); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** * SHFL_FN_WRITE request using a physically contiguous buffer. */ DECLINLINE(int) VbglR0SfHostReqWriteContig(SHFLROOT idRoot, VBOXSFWRITEPGLSTREQ *pReq, uint64_t hHostFile, uint64_t offWrite, uint32_t cbToWrite, void const *pvBuffer, RTGCPHYS64 PhysBuffer) { VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_WRITE, SHFL_CPARMS_WRITE, RT_UOFFSETOF_DYN(VBOXSFWRITEPGLSTREQ, PgLst.aPages[1])); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; pReq->Parms.u64Handle.type = VMMDevHGCMParmType_64bit; pReq->Parms.u64Handle.u.value64 = hHostFile; pReq->Parms.off64Write.type = VMMDevHGCMParmType_64bit; pReq->Parms.off64Write.u.value64 = offWrite; pReq->Parms.cb32Write.type = VMMDevHGCMParmType_32bit; pReq->Parms.cb32Write.u.value32 = cbToWrite; if (g_fHostFeatures & VMMDEV_HVF_HGCM_CONTIGUOUS_PAGE_LIST) { pReq->Parms.pBuf.type = VMMDevHGCMParmType_ContiguousPageList; pReq->Parms.pBuf.u.PageList.size = cbToWrite; pReq->Parms.pBuf.u.PageList.offset = RT_UOFFSETOF(VBOXSFWRITEPGLSTREQ, PgLst) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->PgLst.flags = VBOX_HGCM_F_PARM_DIRECTION_TO_HOST; pReq->PgLst.offFirstPage = (uint16_t)(PhysBuffer & PAGE_OFFSET_MASK); pReq->PgLst.cPages = 1; pReq->PgLst.aPages[0] = PhysBuffer & ~(RTGCPHYS64)PAGE_OFFSET_MASK; } else { pReq->Parms.pBuf.type = VMMDevHGCMParmType_LinAddr_In; pReq->Parms.pBuf.u.LinAddr.cb = cbToWrite; pReq->Parms.pBuf.u.LinAddr.uAddr = (uintptr_t)pvBuffer; } int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, RT_UOFFSETOF_DYN(VBOXSFWRITEPGLSTREQ, PgLst.aPages[1])); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** Request structure for VbglR0SfHostReqCopyFilePart. */ typedef struct VBOXSFCOPYFILEPARTREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmCopyFilePart Parms; } VBOXSFCOPYFILEPARTREQ; /** * SHFL_FN_CREATE request. */ DECLINLINE(int) VbglR0SfHostReqCopyFilePart(SHFLROOT idRootSrc, SHFLHANDLE hHostFileSrc, uint64_t offSrc, SHFLROOT idRootDst, SHFLHANDLE hHostFileDst, uint64_t offDst, uint64_t cbToCopy, uint32_t fFlags, VBOXSFCOPYFILEPARTREQ *pReq) { VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_COPY_FILE_PART, SHFL_CPARMS_COPY_FILE_PART, sizeof(*pReq)); pReq->Parms.id32RootSrc.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32RootSrc.u.value32 = idRootSrc; pReq->Parms.u64HandleSrc.type = VMMDevHGCMParmType_64bit; pReq->Parms.u64HandleSrc.u.value64 = hHostFileSrc; pReq->Parms.off64Src.type = VMMDevHGCMParmType_64bit; pReq->Parms.off64Src.u.value64 = offSrc; pReq->Parms.id32RootDst.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32RootDst.u.value32 = idRootDst; pReq->Parms.u64HandleDst.type = VMMDevHGCMParmType_64bit; pReq->Parms.u64HandleDst.u.value64 = hHostFileDst; pReq->Parms.off64Dst.type = VMMDevHGCMParmType_64bit; pReq->Parms.off64Dst.u.value64 = offDst; pReq->Parms.cb64ToCopy.type = VMMDevHGCMParmType_64bit; pReq->Parms.cb64ToCopy.u.value64 = cbToCopy; pReq->Parms.f32Flags.type = VMMDevHGCMParmType_32bit; pReq->Parms.f32Flags.u.value32 = fFlags; int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, sizeof(*pReq)); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** Request structure for VbglR0SfHostReqListDirContig2x() and * VbglR0SfHostReqListDir(). */ typedef struct VBOXSFLISTDIRREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmList Parms; HGCMPageListInfo StrPgLst; HGCMPageListInfo BufPgLst; } VBOXSFLISTDIRREQ; /** * SHFL_FN_LIST request with separate string buffer and buffers for entries, * both physically contiguous allocations. */ DECLINLINE(int) VbglR0SfHostReqListDirContig2x(SHFLROOT idRoot, VBOXSFLISTDIRREQ *pReq, uint64_t hHostDir, PSHFLSTRING pFilter, RTGCPHYS64 PhysFilter, uint32_t fFlags, PSHFLDIRINFO pBuffer, RTGCPHYS64 PhysBuffer, uint32_t cbBuffer) { VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_LIST, SHFL_CPARMS_LIST, sizeof(*pReq)); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; pReq->Parms.u64Handle.type = VMMDevHGCMParmType_64bit; pReq->Parms.u64Handle.u.value64 = hHostDir; pReq->Parms.f32Flags.type = VMMDevHGCMParmType_32bit; pReq->Parms.f32Flags.u.value32 = fFlags; pReq->Parms.cb32Buffer.type = VMMDevHGCMParmType_32bit; pReq->Parms.cb32Buffer.u.value32 = cbBuffer; if (g_fHostFeatures & VMMDEV_HVF_HGCM_CONTIGUOUS_PAGE_LIST) { pReq->Parms.pStrFilter.type = VMMDevHGCMParmType_ContiguousPageList; pReq->Parms.pStrFilter.u.PageList.offset = RT_UOFFSETOF(VBOXSFLISTDIRREQ, StrPgLst) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->StrPgLst.flags = VBOX_HGCM_F_PARM_DIRECTION_TO_HOST; pReq->StrPgLst.cPages = 1; if (pFilter) { pReq->Parms.pStrFilter.u.PageList.size = SHFLSTRING_HEADER_SIZE + pFilter->u16Size; uint32_t const offFirstPage = (uint32_t)PhysFilter & PAGE_OFFSET_MASK; pReq->StrPgLst.offFirstPage = (uint16_t)offFirstPage; pReq->StrPgLst.aPages[0] = PhysFilter - offFirstPage; } else { pReq->Parms.pStrFilter.u.PageList.size = 0; pReq->StrPgLst.offFirstPage = 0; pReq->StrPgLst.aPages[0] = NIL_RTGCPHYS64; } pReq->Parms.pBuffer.type = VMMDevHGCMParmType_ContiguousPageList; pReq->Parms.pBuffer.u.PageList.offset = RT_UOFFSETOF(VBOXSFLISTDIRREQ, BufPgLst) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->Parms.pBuffer.u.PageList.size = cbBuffer; pReq->BufPgLst.flags = VBOX_HGCM_F_PARM_DIRECTION_FROM_HOST; pReq->BufPgLst.cPages = 1; uint32_t const offFirstPage = (uint32_t)PhysBuffer & PAGE_OFFSET_MASK; pReq->BufPgLst.offFirstPage = (uint16_t)offFirstPage; pReq->BufPgLst.aPages[0] = PhysBuffer - offFirstPage; } else { pReq->Parms.pStrFilter.type = VMMDevHGCMParmType_LinAddr_In; pReq->Parms.pStrFilter.u.LinAddr.cb = pFilter ? SHFLSTRING_HEADER_SIZE + pFilter->u16Size : 0; pReq->Parms.pStrFilter.u.LinAddr.uAddr = (uintptr_t)pFilter; pReq->Parms.pBuffer.type = VMMDevHGCMParmType_LinAddr_Out; pReq->Parms.pBuffer.u.LinAddr.cb = cbBuffer; pReq->Parms.pBuffer.u.LinAddr.uAddr = (uintptr_t)pBuffer; } pReq->Parms.f32More.type = VMMDevHGCMParmType_32bit; pReq->Parms.f32More.u.value32 = 0; pReq->Parms.c32Entries.type = VMMDevHGCMParmType_32bit; pReq->Parms.c32Entries.u.value32 = 0; int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, sizeof(*pReq)); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** * SHFL_FN_LIST request with separate string buffer and buffers for entries, * both allocated on the physical heap. */ DECLINLINE(int) VbglR0SfHostReqListDir(SHFLROOT idRoot, VBOXSFLISTDIRREQ *pReq, uint64_t hHostDir, PSHFLSTRING pFilter, uint32_t fFlags, PSHFLDIRINFO pBuffer, uint32_t cbBuffer) { return VbglR0SfHostReqListDirContig2x(idRoot, pReq, hHostDir, pFilter, pFilter ? VbglR0PhysHeapGetPhysAddr(pFilter) : NIL_RTGCPHYS64, fFlags, pBuffer, VbglR0PhysHeapGetPhysAddr(pBuffer), cbBuffer); } /** Request structure for VbglR0SfHostReqReadLink. */ typedef struct VBOXSFREADLINKREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmReadLink Parms; HGCMPageListInfo PgLst; SHFLSTRING StrPath; } VBOXSFREADLINKREQ; /** * SHFL_FN_READLINK request. * * @note Buffer contains UTF-8 characters on success, regardless of the * UTF-8/UTF-16 setting of the connection. */ DECLINLINE(int) VbglR0SfHostReqReadLinkContig(SHFLROOT idRoot, void *pvBuffer, RTGCPHYS64 PhysBuffer, uint32_t cbBuffer, VBOXSFREADLINKREQ *pReq) { uint32_t const cbReq = g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS ? RT_UOFFSETOF(VBOXSFREADLINKREQ, StrPath.String) + pReq->StrPath.u16Size : cbBuffer <= PAGE_SIZE - (PhysBuffer & PAGE_OFFSET_MASK) || (g_fHostFeatures & VMMDEV_HVF_HGCM_CONTIGUOUS_PAGE_LIST) ? RT_UOFFSETOF(VBOXSFREADLINKREQ, StrPath.String) : RT_UOFFSETOF(VBOXSFREADLINKREQ, PgLst); VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_READLINK, SHFL_CPARMS_READLINK, cbReq); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; if (g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS) { pReq->Parms.pStrPath.type = VMMDevHGCMParmType_Embedded; pReq->Parms.pStrPath.u.Embedded.cbData = SHFLSTRING_HEADER_SIZE + pReq->StrPath.u16Size; pReq->Parms.pStrPath.u.Embedded.offData = RT_UOFFSETOF(VBOXSFREADLINKREQ, StrPath) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->Parms.pStrPath.u.Embedded.fFlags = VBOX_HGCM_F_PARM_DIRECTION_TO_HOST; } else { pReq->Parms.pStrPath.type = VMMDevHGCMParmType_LinAddr_In; pReq->Parms.pStrPath.u.LinAddr.cb = SHFLSTRING_HEADER_SIZE + pReq->StrPath.u16Size; pReq->Parms.pStrPath.u.LinAddr.uAddr = (uintptr_t)&pReq->StrPath; } if ( cbBuffer <= PAGE_SIZE - (PhysBuffer & PAGE_OFFSET_MASK) || (g_fHostFeatures & VMMDEV_HVF_HGCM_CONTIGUOUS_PAGE_LIST)) { pReq->Parms.pBuffer.type = cbBuffer <= PAGE_SIZE - (PhysBuffer & PAGE_OFFSET_MASK) ? VMMDevHGCMParmType_PageList : VMMDevHGCMParmType_ContiguousPageList; pReq->Parms.pBuffer.u.PageList.size = cbBuffer; pReq->Parms.pBuffer.u.PageList.offset = RT_UOFFSETOF(VBOXSFREADLINKREQ, PgLst) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->PgLst.flags = VBOX_HGCM_F_PARM_DIRECTION_FROM_HOST; pReq->PgLst.offFirstPage = (uint16_t)PhysBuffer & (uint16_t)(PAGE_OFFSET_MASK); pReq->PgLst.aPages[0] = PhysBuffer & ~(RTGCPHYS64)PAGE_OFFSET_MASK; pReq->PgLst.cPages = 1; } else { pReq->Parms.pBuffer.type = VMMDevHGCMParmType_LinAddr_Out; pReq->Parms.pBuffer.u.LinAddr.cb = cbBuffer; pReq->Parms.pBuffer.u.LinAddr.uAddr = (uintptr_t)pvBuffer; } int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, cbReq); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** * SHFL_FN_READLINK request, simplified version. * * * @note Buffer contains UTF-8 characters on success, regardless of the * UTF-8/UTF-16 setting of the connection. */ DECLINLINE(int) VbglR0SfHostReqReadLinkContigSimple(SHFLROOT idRoot, const char *pszPath, size_t cchPath, void *pvBuf, RTGCPHYS64 PhysBuffer, uint32_t cbBuffer) { if (cchPath < _64K - 1) { VBOXSFREADLINKREQ *pReq = (VBOXSFREADLINKREQ *)VbglR0PhysHeapAlloc(RT_UOFFSETOF(VBOXSFREADLINKREQ, StrPath.String) + SHFLSTRING_HEADER_SIZE + (uint32_t)cchPath); if (pReq) { pReq->StrPath.u16Length = (uint16_t)cchPath; pReq->StrPath.u16Size = (uint16_t)cchPath + 1; memcpy(pReq->StrPath.String.ach, pszPath, cchPath); pReq->StrPath.String.ach[cchPath] = '\0'; { int vrc = VbglR0SfHostReqReadLinkContig(idRoot, pvBuf, PhysBuffer, cbBuffer, pReq); VbglR0PhysHeapFree(pReq); return vrc; } } return VERR_NO_MEMORY; } return VERR_FILENAME_TOO_LONG; } /** Request structure for VbglR0SfHostReqCreateSymlink. */ typedef struct VBOXSFCREATESYMLINKREQ { VBGLIOCIDCHGCMFASTCALL Hdr; VMMDevHGCMCall Call; VBoxSFParmCreateSymlink Parms; HGCMPageListInfo PgLstTarget; SHFLFSOBJINFO ObjInfo; SHFLSTRING StrSymlinkPath; } VBOXSFCREATESYMLINKREQ; /** * SHFL_FN_SYMLINK request. * * Caller fills in the symlink string and supplies a physical contiguous * target string */ DECLINLINE(int) VbglR0SfHostReqCreateSymlinkContig(SHFLROOT idRoot, PCSHFLSTRING pStrTarget, RTGCPHYS64 PhysTarget, VBOXSFCREATESYMLINKREQ *pReq) { uint32_t const cbTarget = SHFLSTRING_HEADER_SIZE + pStrTarget->u16Size; uint32_t const cbReq = g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS ? RT_UOFFSETOF(VBOXSFCREATESYMLINKREQ, StrSymlinkPath.String) + pReq->StrSymlinkPath.u16Size : RT_UOFFSETOF(VBOXSFCREATESYMLINKREQ, ObjInfo) /*simplified*/; VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, SHFL_FN_SYMLINK, SHFL_CPARMS_SYMLINK, cbReq); pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; pReq->Parms.id32Root.u.value32 = idRoot; if (g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS) { pReq->Parms.pStrSymlink.type = VMMDevHGCMParmType_Embedded; pReq->Parms.pStrSymlink.u.Embedded.cbData = SHFLSTRING_HEADER_SIZE + pReq->StrSymlinkPath.u16Size; pReq->Parms.pStrSymlink.u.Embedded.offData = RT_UOFFSETOF(VBOXSFCREATESYMLINKREQ, StrSymlinkPath) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->Parms.pStrSymlink.u.Embedded.fFlags = VBOX_HGCM_F_PARM_DIRECTION_TO_HOST; } else { pReq->Parms.pStrSymlink.type = VMMDevHGCMParmType_LinAddr_In; pReq->Parms.pStrSymlink.u.LinAddr.cb = SHFLSTRING_HEADER_SIZE + pReq->StrSymlinkPath.u16Size; pReq->Parms.pStrSymlink.u.LinAddr.uAddr = (uintptr_t)&pReq->StrSymlinkPath; } if ( cbTarget <= PAGE_SIZE - (PhysTarget & PAGE_OFFSET_MASK) || (g_fHostFeatures & VMMDEV_HVF_HGCM_CONTIGUOUS_PAGE_LIST)) { pReq->Parms.pStrTarget.type = cbTarget <= PAGE_SIZE - (PhysTarget & PAGE_OFFSET_MASK) ? VMMDevHGCMParmType_PageList : VMMDevHGCMParmType_ContiguousPageList; pReq->Parms.pStrTarget.u.PageList.size = cbTarget; pReq->Parms.pStrTarget.u.PageList.offset = RT_UOFFSETOF(VBOXSFCREATESYMLINKREQ, PgLstTarget) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->PgLstTarget.flags = VBOX_HGCM_F_PARM_DIRECTION_TO_HOST; pReq->PgLstTarget.offFirstPage = (uint16_t)PhysTarget & (uint16_t)(PAGE_OFFSET_MASK); pReq->PgLstTarget.aPages[0] = PhysTarget & ~(RTGCPHYS64)PAGE_OFFSET_MASK; pReq->PgLstTarget.cPages = 1; } else { pReq->Parms.pStrTarget.type = VMMDevHGCMParmType_LinAddr_In; pReq->Parms.pStrTarget.u.LinAddr.cb = cbTarget; pReq->Parms.pStrTarget.u.LinAddr.uAddr = (uintptr_t)pStrTarget; } if (g_fHostFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS) { pReq->Parms.pInfo.type = VMMDevHGCMParmType_Embedded; pReq->Parms.pInfo.u.Embedded.cbData = sizeof(pReq->ObjInfo); pReq->Parms.pInfo.u.Embedded.offData = RT_UOFFSETOF(VBOXSFCREATESYMLINKREQ, ObjInfo) - sizeof(VBGLIOCIDCHGCMFASTCALL); pReq->Parms.pInfo.u.Embedded.fFlags = VBOX_HGCM_F_PARM_DIRECTION_FROM_HOST; } else { pReq->Parms.pInfo.type = VMMDevHGCMParmType_LinAddr_Out; pReq->Parms.pInfo.u.LinAddr.cb = sizeof(pReq->ObjInfo); pReq->Parms.pInfo.u.LinAddr.uAddr = (uintptr_t)&pReq->ObjInfo; } int vrc = VbglR0HGCMFastCall(g_SfClient.handle, &pReq->Hdr, cbReq); if (RT_SUCCESS(vrc)) vrc = pReq->Call.header.result; return vrc; } /** @} */ #endif /* !VBOX_INCLUDED_VBoxGuestLibSharedFoldersInline_h */