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| -rw-r--r-- | include/VBox/VBoxGuestLibSharedFoldersInline.h | 1612 |
1 files changed, 1612 insertions, 0 deletions
diff --git a/include/VBox/VBoxGuestLibSharedFoldersInline.h b/include/VBox/VBoxGuestLibSharedFoldersInline.h new file mode 100644 index 00000000..7d67ffea --- /dev/null +++ b/include/VBox/VBoxGuestLibSharedFoldersInline.h @@ -0,0 +1,1612 @@ +/* $Id: VBoxGuestLibSharedFoldersInline.h $ */ +/** @file + * VBoxGuestLib - Shared Folders Host Request Helpers (ring-0). + */ + +/* + * Copyright (C) 2006-2022 Oracle and/or its affiliates. + * + * 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 <iprt/types.h> +#include <iprt/assert.h> +#include <VBox/VBoxGuest.h> +#include <VBox/VBoxGuestLib.h> +#include <VBox/VBoxGuestLibSharedFolders.h> +#include <VBox/VMMDev.h> +#include <VBox/shflsvc.h> +#include <iprt/err.h> + + +/** @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 VbglR0SfHostReqSetErrorStyle. */ +typedef struct VBOXSFSETERRORSTYLE +{ + VBGLIOCIDCHGCMFASTCALL Hdr; + VMMDevHGCMCall Call; + VBoxSFParmSetErrorStyle Parms; +} VBOXSFSETERRORSTYLE; + +/** + * SHFL_FN_QUERY_FEATURES request. + */ +DECLINLINE(int) VbglR0SfHostReqSetErrorStyle(VBOXSFSETERRORSTYLE *pReq, SHFLERRORSTYLE enmStyle) +{ + VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClient.idClient, + SHFL_FN_SET_ERROR_STYLE, SHFL_CPARMS_SET_ERROR_STYLE, sizeof(*pReq)); + + pReq->Parms.u32Style.type = VMMDevHGCMParmType_32bit; + pReq->Parms.u32Style.u.value32 = (uint32_t)enmStyle; + + pReq->Parms.u32Reserved.type = VMMDevHGCMParmType_32bit; + pReq->Parms.u32Reserved.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_QUERY_FEATURES request, simplified version. + */ +DECLINLINE(int) VbglR0SfHostReqSetErrorStyleSimple(SHFLERRORSTYLE enmStyle) +{ + VBOXSFSETERRORSTYLE *pReq = (VBOXSFSETERRORSTYLE *)VbglR0PhysHeapAlloc(sizeof(*pReq)); + if (pReq) + { + int rc = VbglR0SfHostReqSetErrorStyle(pReq, enmStyle); + VbglR0PhysHeapFree(pReq); + return rc; + } + return VERR_NO_MEMORY; +} + + +/** 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 VbglR0SfHostReqCloseAndRemove. */ +typedef struct VBOXSFCLOSEANDREMOVEREQ +{ + VBGLIOCIDCHGCMFASTCALL Hdr; + VMMDevHGCMCall Call; + VBoxSFParmCloseAndRemove Parms; + SHFLSTRING StrPath; +} VBOXSFCLOSEANDREMOVEREQ; + +/** + * SHFL_FN_CLOSE_AND_REMOVE request. + */ +DECLINLINE(int) VbglR0SfHostReqCloseAndRemove(SHFLROOT idRoot, VBOXSFCLOSEANDREMOVEREQ *pReq, uint32_t fFlags, SHFLHANDLE hToClose) +{ + uint32_t const cbReq = RT_UOFFSETOF(VBOXSFCLOSEANDREMOVEREQ, 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_CLOSE_AND_REMOVE, SHFL_CPARMS_CLOSE_AND_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(VBOXSFCLOSEANDREMOVEREQ, 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; + + pReq->Parms.u64Handle.type = VMMDevHGCMParmType_64bit; + pReq->Parms.u64Handle.u.value64 = hToClose; + + 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; + RT_FLEXIBLE_ARRAY_EXTENSION + 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; + RT_FLEXIBLE_ARRAY_EXTENSION + 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 */ + |