/* $Revision: 37410 $ */ /** @file * VirtualBox Support Driver - IOCtl definitions. */ /* * Copyright (C) 2006-2010 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. * * The contents of this file may alternatively be used under the terms * of the Common Development and Distribution License Version 1.0 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the * VirtualBox OSE distribution, in which case the provisions of the * CDDL are applicable instead of those of the GPL. * * You may elect to license modified versions of this file under the * terms and conditions of either the GPL or the CDDL or both. */ #ifndef ___SUPDrvIOC_h___ #define ___SUPDrvIOC_h___ /* * Basic types. */ #include /* * IOCtl numbers. * We're using the Win32 type of numbers here, thus the macros below. * The SUP_IOCTL_FLAG macro is used to separate requests from 32-bit * and 64-bit processes. */ #if defined(RT_ARCH_AMD64) || defined(RT_ARCH_SPARC64) # define SUP_IOCTL_FLAG 128 #elif defined(RT_ARCH_X86) || defined(RT_ARCH_SPARC) # define SUP_IOCTL_FLAG 0 #else # error "dunno which arch this is!" #endif #ifdef RT_OS_WINDOWS # ifndef CTL_CODE # include # endif /* Automatic buffering, size not encoded. */ # define SUP_CTL_CODE_SIZE(Function, Size) CTL_CODE(FILE_DEVICE_UNKNOWN, (Function) | SUP_IOCTL_FLAG, METHOD_BUFFERED, FILE_WRITE_ACCESS) # define SUP_CTL_CODE_BIG(Function) CTL_CODE(FILE_DEVICE_UNKNOWN, (Function) | SUP_IOCTL_FLAG, METHOD_BUFFERED, FILE_WRITE_ACCESS) # define SUP_CTL_CODE_FAST(Function) CTL_CODE(FILE_DEVICE_UNKNOWN, (Function) | SUP_IOCTL_FLAG, METHOD_NEITHER, FILE_WRITE_ACCESS) # define SUP_CTL_CODE_NO_SIZE(uIOCtl) (uIOCtl) #elif defined(RT_OS_SOLARIS) /* No automatic buffering, size limited to 255 bytes. */ # include # define SUP_CTL_CODE_SIZE(Function, Size) _IOWRN('V', (Function) | SUP_IOCTL_FLAG, sizeof(SUPREQHDR)) # define SUP_CTL_CODE_BIG(Function) _IOWRN('V', (Function) | SUP_IOCTL_FLAG, sizeof(SUPREQHDR)) # define SUP_CTL_CODE_FAST(Function) _IO( 'V', (Function) | SUP_IOCTL_FLAG) # define SUP_CTL_CODE_NO_SIZE(uIOCtl) (uIOCtl) #elif defined(RT_OS_OS2) /* No automatic buffering, size not encoded. */ # define SUP_CTL_CATEGORY 0xc0 # define SUP_CTL_CODE_SIZE(Function, Size) ((unsigned char)(Function)) # define SUP_CTL_CODE_BIG(Function) ((unsigned char)(Function)) # define SUP_CTL_CATEGORY_FAST 0xc1 # define SUP_CTL_CODE_FAST(Function) ((unsigned char)(Function)) # define SUP_CTL_CODE_NO_SIZE(uIOCtl) (uIOCtl) #elif defined(RT_OS_LINUX) /* No automatic buffering, size limited to 16KB. */ # include # define SUP_CTL_CODE_SIZE(Function, Size) _IOC(_IOC_READ | _IOC_WRITE, 'V', (Function) | SUP_IOCTL_FLAG, (Size)) # define SUP_CTL_CODE_BIG(Function) _IO('V', (Function) | SUP_IOCTL_FLAG) # define SUP_CTL_CODE_FAST(Function) _IO('V', (Function) | SUP_IOCTL_FLAG) # define SUP_CTL_CODE_NO_SIZE(uIOCtl) ((uIOCtl) & ~IOCSIZE_MASK) #elif defined(RT_OS_L4) /* Implemented in suplib, no worries. */ # define SUP_CTL_CODE_SIZE(Function, Size) (Function) # define SUP_CTL_CODE_BIG(Function) (Function) # define SUP_CTL_CODE_FAST(Function) (Function) # define SUP_CTL_CODE_NO_SIZE(uIOCtl) (uIOCtl) #else /* BSD Like */ /* Automatic buffering, size limited to 4KB on *BSD and 8KB on Darwin - commands the limit, 4KB. */ # include # define SUP_CTL_CODE_SIZE(Function, Size) _IOC(IOC_INOUT, 'V', (Function) | SUP_IOCTL_FLAG, (Size)) # define SUP_CTL_CODE_BIG(Function) _IO('V', (Function) | SUP_IOCTL_FLAG) # define SUP_CTL_CODE_FAST(Function) _IO('V', (Function) | SUP_IOCTL_FLAG) # define SUP_CTL_CODE_NO_SIZE(uIOCtl) ( (uIOCtl) & ~_IOC(0,0,0,IOCPARM_MASK) ) #endif /** Fast path IOCtl: VMMR0_DO_RAW_RUN */ #define SUP_IOCTL_FAST_DO_RAW_RUN SUP_CTL_CODE_FAST(64) /** Fast path IOCtl: VMMR0_DO_HWACC_RUN */ #define SUP_IOCTL_FAST_DO_HWACC_RUN SUP_CTL_CODE_FAST(65) /** Just a NOP call for profiling the latency of a fast ioctl call to VMMR0. */ #define SUP_IOCTL_FAST_DO_NOP SUP_CTL_CODE_FAST(66) /******************************************************************************* * Structures and Typedefs * *******************************************************************************/ #ifdef RT_ARCH_AMD64 # pragma pack(8) /* paranoia. */ #else # pragma pack(4) /* paranoia. */ #endif /** * Common In/Out header. */ typedef struct SUPREQHDR { /** Cookie. */ uint32_t u32Cookie; /** Session cookie. */ uint32_t u32SessionCookie; /** The size of the input. */ uint32_t cbIn; /** The size of the output. */ uint32_t cbOut; /** Flags. See SUPREQHDR_FLAGS_* for details and values. */ uint32_t fFlags; /** The VBox status code of the operation, out direction only. */ int32_t rc; } SUPREQHDR; /** Pointer to a IOC header. */ typedef SUPREQHDR *PSUPREQHDR; /** @name SUPREQHDR::fFlags values * @{ */ /** Masks out the magic value. */ #define SUPREQHDR_FLAGS_MAGIC_MASK UINT32_C(0xff0000ff) /** The generic mask. */ #define SUPREQHDR_FLAGS_GEN_MASK UINT32_C(0x0000ff00) /** The request specific mask. */ #define SUPREQHDR_FLAGS_REQ_MASK UINT32_C(0x00ff0000) /** There is extra input that needs copying on some platforms. */ #define SUPREQHDR_FLAGS_EXTRA_IN UINT32_C(0x00000100) /** There is extra output that needs copying on some platforms. */ #define SUPREQHDR_FLAGS_EXTRA_OUT UINT32_C(0x00000200) /** The magic value. */ #define SUPREQHDR_FLAGS_MAGIC UINT32_C(0x42000042) /** The default value. Use this when no special stuff is requested. */ #define SUPREQHDR_FLAGS_DEFAULT SUPREQHDR_FLAGS_MAGIC /** @} */ /** @name SUP_IOCTL_COOKIE * @{ */ /** Negotiate cookie. */ #define SUP_IOCTL_COOKIE SUP_CTL_CODE_SIZE(1, SUP_IOCTL_COOKIE_SIZE) /** The request size. */ #define SUP_IOCTL_COOKIE_SIZE sizeof(SUPCOOKIE) /** The SUPREQHDR::cbIn value. */ #define SUP_IOCTL_COOKIE_SIZE_IN sizeof(SUPREQHDR) + RT_SIZEOFMEMB(SUPCOOKIE, u.In) /** The SUPREQHDR::cbOut value. */ #define SUP_IOCTL_COOKIE_SIZE_OUT sizeof(SUPREQHDR) + RT_SIZEOFMEMB(SUPCOOKIE, u.Out) /** SUPCOOKIE_IN magic word. */ #define SUPCOOKIE_MAGIC "The Magic Word!" /** The initial cookie. */ #define SUPCOOKIE_INITIAL_COOKIE 0x69726f74 /* 'tori' */ /** Current interface version. * The upper 16-bit is the major version, the the lower the minor version. * When incompatible changes are made, the upper major number has to be changed. * * Update rules: * -# Only update the major number when incompatible changes have been made to * the IOC interface or the ABI provided via the functions returned by * SUPQUERYFUNCS. * -# When adding new features (new IOC number, new flags, new exports, ++) * only update the minor number and change SUPLib.cpp to require the * new IOC version. * -# When incrementing the major number, clear the minor part and reset * any IOC version requirements in SUPLib.cpp. * -# When increment the major number, execute all pending work. * * Skip versions: * - 0x0018XXXX - Used by 4.0 for the >= 32/64 CPUs support. * * @todo Pending work on next major version change: * - None. */ #define SUPDRV_IOC_VERSION 0x00170002 /** SUP_IOCTL_COOKIE. */ typedef struct SUPCOOKIE { /** The header. * u32Cookie must be set to SUPCOOKIE_INITIAL_COOKIE. * u32SessionCookie should be set to some random value. */ SUPREQHDR Hdr; union { struct { /** Magic word. */ char szMagic[16]; /** The requested interface version number. */ uint32_t u32ReqVersion; /** The minimum interface version number. */ uint32_t u32MinVersion; } In; struct { /** Cookie. */ uint32_t u32Cookie; /** Session cookie. */ uint32_t u32SessionCookie; /** Interface version for this session. */ uint32_t u32SessionVersion; /** The actual interface version in the driver. */ uint32_t u32DriverVersion; /** Number of functions available for the SUP_IOCTL_QUERY_FUNCS request. */ uint32_t cFunctions; /** Session handle. */ R0PTRTYPE(PSUPDRVSESSION) pSession; } Out; } u; } SUPCOOKIE, *PSUPCOOKIE; /** @} */ /** @name SUP_IOCTL_QUERY_FUNCS * Query SUPR0 functions. * @{ */ #define SUP_IOCTL_QUERY_FUNCS(cFuncs) SUP_CTL_CODE_BIG(2) #define SUP_IOCTL_QUERY_FUNCS_SIZE(cFuncs) RT_UOFFSETOF(SUPQUERYFUNCS, u.Out.aFunctions[(cFuncs)]) #define SUP_IOCTL_QUERY_FUNCS_SIZE_IN sizeof(SUPREQHDR) #define SUP_IOCTL_QUERY_FUNCS_SIZE_OUT(cFuncs) SUP_IOCTL_QUERY_FUNCS_SIZE(cFuncs) /** A function. */ typedef struct SUPFUNC { /** Name - mangled. */ char szName[32]; /** Address. */ RTR0PTR pfn; } SUPFUNC, *PSUPFUNC; typedef struct SUPQUERYFUNCS { /** The header. */ SUPREQHDR Hdr; union { struct { /** Number of functions returned. */ uint32_t cFunctions; /** Array of functions. */ SUPFUNC aFunctions[1]; } Out; } u; } SUPQUERYFUNCS, *PSUPQUERYFUNCS; /** @} */ /** @name SUP_IOCTL_LDR_OPEN * Open an image. * @{ */ #define SUP_IOCTL_LDR_OPEN SUP_CTL_CODE_SIZE(3, SUP_IOCTL_LDR_OPEN_SIZE) #define SUP_IOCTL_LDR_OPEN_SIZE sizeof(SUPLDROPEN) #define SUP_IOCTL_LDR_OPEN_SIZE_IN sizeof(SUPLDROPEN) #define SUP_IOCTL_LDR_OPEN_SIZE_OUT (sizeof(SUPREQHDR) + RT_SIZEOFMEMB(SUPLDROPEN, u.Out)) typedef struct SUPLDROPEN { /** The header. */ SUPREQHDR Hdr; union { struct { /** Size of the image we'll be loading (including tables). */ uint32_t cbImageWithTabs; /** The size of the image bits. (Less or equal to cbImageWithTabs.) */ uint32_t cbImageBits; /** Image name. * This is the NAME of the image, not the file name. It is used * to share code with other processes. (Max len is 32 chars!) */ char szName[32]; /** Image file name. * This can be used to load the image using a native loader. */ char szFilename[260]; } In; struct { /** The base address of the image. */ RTR0PTR pvImageBase; /** Indicate whether or not the image requires loading. */ bool fNeedsLoading; /** Indicates that we're using the native ring-0 loader. */ bool fNativeLoader; } Out; } u; } SUPLDROPEN, *PSUPLDROPEN; /** @} */ /** @name SUP_IOCTL_LDR_LOAD * Upload the image bits. * @{ */ #define SUP_IOCTL_LDR_LOAD SUP_CTL_CODE_BIG(4) #define SUP_IOCTL_LDR_LOAD_SIZE(cbImage) RT_UOFFSETOF(SUPLDRLOAD, u.In.abImage[cbImage]) #define SUP_IOCTL_LDR_LOAD_SIZE_IN(cbImage) RT_UOFFSETOF(SUPLDRLOAD, u.In.abImage[cbImage]) #define SUP_IOCTL_LDR_LOAD_SIZE_OUT sizeof(SUPREQHDR) /** * Module initialization callback function. * This is called once after the module has been loaded. * * @returns 0 on success. * @returns Appropriate error code on failure. */ typedef DECLCALLBACK(int) FNR0MODULEINIT(void); /** Pointer to a FNR0MODULEINIT(). */ typedef R0PTRTYPE(FNR0MODULEINIT *) PFNR0MODULEINIT; /** * Module termination callback function. * This is called once right before the module is being unloaded. */ typedef DECLCALLBACK(void) FNR0MODULETERM(void); /** Pointer to a FNR0MODULETERM(). */ typedef R0PTRTYPE(FNR0MODULETERM *) PFNR0MODULETERM; /** * Symbol table entry. */ typedef struct SUPLDRSYM { /** Offset into of the string table. */ uint32_t offName; /** Offset of the symbol relative to the image load address. * @remarks When used inside the SUPDrv to calculate real addresses, it * must be cast to int32_t for the sake of native loader support * on Solaris. (The loader puts the and data in different * memory areans, and the text one is generally higher.) */ uint32_t offSymbol; } SUPLDRSYM; /** Pointer to a symbol table entry. */ typedef SUPLDRSYM *PSUPLDRSYM; /** Pointer to a const symbol table entry. */ typedef SUPLDRSYM const *PCSUPLDRSYM; /** * SUPLDRLOAD::u::In::EP type. */ typedef enum SUPLDRLOADEP { SUPLDRLOADEP_NOTHING = 0, SUPLDRLOADEP_VMMR0, SUPLDRLOADEP_SERVICE, SUPLDRLOADEP_32BIT_HACK = 0x7fffffff } SUPLDRLOADEP; typedef struct SUPLDRLOAD { /** The header. */ SUPREQHDR Hdr; union { struct { /** The address of module initialization function. Similar to _DLL_InitTerm(hmod, 0). */ PFNR0MODULEINIT pfnModuleInit; /** The address of module termination function. Similar to _DLL_InitTerm(hmod, 1). */ PFNR0MODULETERM pfnModuleTerm; /** Special entry points. */ union { /** SUPLDRLOADEP_VMMR0. */ struct { /** The module handle (i.e. address). */ RTR0PTR pvVMMR0; /** Address of VMMR0EntryInt function. */ RTR0PTR pvVMMR0EntryInt; /** Address of VMMR0EntryFast function. */ RTR0PTR pvVMMR0EntryFast; /** Address of VMMR0EntryEx function. */ RTR0PTR pvVMMR0EntryEx; } VMMR0; /** SUPLDRLOADEP_SERVICE. */ struct { /** The service request handler. * (PFNR0SERVICEREQHANDLER isn't defined yet.) */ RTR0PTR pfnServiceReq; /** Reserved, must be NIL. */ RTR0PTR apvReserved[3]; } Service; } EP; /** Address. */ RTR0PTR pvImageBase; /** Entry point type. */ SUPLDRLOADEP eEPType; /** The size of the image bits (starting at offset 0 and * approaching offSymbols). */ uint32_t cbImageBits; /** The offset of the symbol table. */ uint32_t offSymbols; /** The number of entries in the symbol table. */ uint32_t cSymbols; /** The offset of the string table. */ uint32_t offStrTab; /** Size of the string table. */ uint32_t cbStrTab; /** Size of image data in achImage. */ uint32_t cbImageWithTabs; /** The image data. */ uint8_t abImage[1]; } In; } u; } SUPLDRLOAD, *PSUPLDRLOAD; /** @} */ /** @name SUP_IOCTL_LDR_FREE * Free an image. * @{ */ #define SUP_IOCTL_LDR_FREE SUP_CTL_CODE_SIZE(5, SUP_IOCTL_LDR_FREE_SIZE) #define SUP_IOCTL_LDR_FREE_SIZE sizeof(SUPLDRFREE) #define SUP_IOCTL_LDR_FREE_SIZE_IN sizeof(SUPLDRFREE) #define SUP_IOCTL_LDR_FREE_SIZE_OUT sizeof(SUPREQHDR) typedef struct SUPLDRFREE { /** The header. */ SUPREQHDR Hdr; union { struct { /** Address. */ RTR0PTR pvImageBase; } In; } u; } SUPLDRFREE, *PSUPLDRFREE; /** @} */ /** @name SUP_IOCTL_LDR_GET_SYMBOL * Get address of a symbol within an image. * @{ */ #define SUP_IOCTL_LDR_GET_SYMBOL SUP_CTL_CODE_SIZE(6, SUP_IOCTL_LDR_GET_SYMBOL_SIZE) #define SUP_IOCTL_LDR_GET_SYMBOL_SIZE sizeof(SUPLDRGETSYMBOL) #define SUP_IOCTL_LDR_GET_SYMBOL_SIZE_IN sizeof(SUPLDRGETSYMBOL) #define SUP_IOCTL_LDR_GET_SYMBOL_SIZE_OUT (sizeof(SUPREQHDR) + RT_SIZEOFMEMB(SUPLDRGETSYMBOL, u.Out)) typedef struct SUPLDRGETSYMBOL { /** The header. */ SUPREQHDR Hdr; union { struct { /** Address. */ RTR0PTR pvImageBase; /** The symbol name. */ char szSymbol[64]; } In; struct { /** The symbol address. */ RTR0PTR pvSymbol; } Out; } u; } SUPLDRGETSYMBOL, *PSUPLDRGETSYMBOL; /** @} */ /** @name SUP_IOCTL_CALL_VMMR0 * Call the R0 VMM Entry point. * @{ */ #define SUP_IOCTL_CALL_VMMR0(cbReq) SUP_CTL_CODE_SIZE(7, SUP_IOCTL_CALL_VMMR0_SIZE(cbReq)) #define SUP_IOCTL_CALL_VMMR0_SIZE(cbReq) RT_UOFFSETOF(SUPCALLVMMR0, abReqPkt[cbReq]) #define SUP_IOCTL_CALL_VMMR0_SIZE_IN(cbReq) SUP_IOCTL_CALL_VMMR0_SIZE(cbReq) #define SUP_IOCTL_CALL_VMMR0_SIZE_OUT(cbReq) SUP_IOCTL_CALL_VMMR0_SIZE(cbReq) typedef struct SUPCALLVMMR0 { /** The header. */ SUPREQHDR Hdr; union { struct { /** The VM handle. */ PVMR0 pVMR0; /** VCPU id. */ uint32_t idCpu; /** Which operation to execute. */ uint32_t uOperation; /** Argument to use when no request packet is supplied. */ uint64_t u64Arg; } In; } u; /** The VMMR0Entry request packet. */ uint8_t abReqPkt[1]; } SUPCALLVMMR0, *PSUPCALLVMMR0; /** @} */ /** @name SUP_IOCTL_CALL_VMMR0_BIG * Version of SUP_IOCTL_CALL_VMMR0 for dealing with large requests. * @{ */ #define SUP_IOCTL_CALL_VMMR0_BIG SUP_CTL_CODE_BIG(27) #define SUP_IOCTL_CALL_VMMR0_BIG_SIZE(cbReq) RT_UOFFSETOF(SUPCALLVMMR0, abReqPkt[cbReq]) #define SUP_IOCTL_CALL_VMMR0_BIG_SIZE_IN(cbReq) SUP_IOCTL_CALL_VMMR0_SIZE(cbReq) #define SUP_IOCTL_CALL_VMMR0_BIG_SIZE_OUT(cbReq) SUP_IOCTL_CALL_VMMR0_SIZE(cbReq) /** @} */ /** @name SUP_IOCTL_LOW_ALLOC * Allocate memory below 4GB (physically). * @{ */ #define SUP_IOCTL_LOW_ALLOC SUP_CTL_CODE_BIG(8) #define SUP_IOCTL_LOW_ALLOC_SIZE(cPages) ((uint32_t)RT_UOFFSETOF(SUPLOWALLOC, u.Out.aPages[cPages])) #define SUP_IOCTL_LOW_ALLOC_SIZE_IN (sizeof(SUPREQHDR) + RT_SIZEOFMEMB(SUPLOWALLOC, u.In)) #define SUP_IOCTL_LOW_ALLOC_SIZE_OUT(cPages) SUP_IOCTL_LOW_ALLOC_SIZE(cPages) typedef struct SUPLOWALLOC { /** The header. */ SUPREQHDR Hdr; union { struct { /** Number of pages to allocate. */ uint32_t cPages; } In; struct { /** The ring-3 address of the allocated memory. */ RTR3PTR pvR3; /** The ring-0 address of the allocated memory. */ RTR0PTR pvR0; /** Array of pages. */ RTHCPHYS aPages[1]; } Out; } u; } SUPLOWALLOC, *PSUPLOWALLOC; /** @} */ /** @name SUP_IOCTL_LOW_FREE * Free low memory. * @{ */ #define SUP_IOCTL_LOW_FREE SUP_CTL_CODE_SIZE(9, SUP_IOCTL_LOW_FREE_SIZE) #define SUP_IOCTL_LOW_FREE_SIZE sizeof(SUPLOWFREE) #define SUP_IOCTL_LOW_FREE_SIZE_IN sizeof(SUPLOWFREE) #define SUP_IOCTL_LOW_FREE_SIZE_OUT sizeof(SUPREQHDR) typedef struct SUPLOWFREE { /** The header. */ SUPREQHDR Hdr; union { struct { /** The ring-3 address of the memory to free. */ RTR3PTR pvR3; } In; } u; } SUPLOWFREE, *PSUPLOWFREE; /** @} */ /** @name SUP_IOCTL_PAGE_ALLOC_EX * Allocate memory and map it into kernel and/or user space. The memory is of * course locked. The result should be freed using SUP_IOCTL_PAGE_FREE. * * @remarks Allocations without a kernel mapping may fail with * VERR_NOT_SUPPORTED on some platforms. * * @{ */ #define SUP_IOCTL_PAGE_ALLOC_EX SUP_CTL_CODE_BIG(10) #define SUP_IOCTL_PAGE_ALLOC_EX_SIZE(cPages) RT_UOFFSETOF(SUPPAGEALLOCEX, u.Out.aPages[cPages]) #define SUP_IOCTL_PAGE_ALLOC_EX_SIZE_IN (sizeof(SUPREQHDR) + RT_SIZEOFMEMB(SUPPAGEALLOCEX, u.In)) #define SUP_IOCTL_PAGE_ALLOC_EX_SIZE_OUT(cPages) SUP_IOCTL_PAGE_ALLOC_EX_SIZE(cPages) typedef struct SUPPAGEALLOCEX { /** The header. */ SUPREQHDR Hdr; union { struct { /** Number of pages to allocate */ uint32_t cPages; /** Whether it should have kernel mapping. */ bool fKernelMapping; /** Whether it should have a user mapping. */ bool fUserMapping; /** Reserved. Must be false. */ bool fReserved0; /** Reserved. Must be false. */ bool fReserved1; } In; struct { /** Returned ring-3 address. */ RTR3PTR pvR3; /** Returned ring-0 address. */ RTR0PTR pvR0; /** The physical addresses of the allocated pages. */ RTHCPHYS aPages[1]; } Out; } u; } SUPPAGEALLOCEX, *PSUPPAGEALLOCEX; /** @} */ /** @name SUP_IOCTL_PAGE_MAP_KERNEL * Maps a portion of memory allocated by SUP_IOCTL_PAGE_ALLOC_EX / * SUPR0PageAllocEx into kernel space for use by a device or similar. * * The mapping will be freed together with the ring-3 mapping when * SUP_IOCTL_PAGE_FREE or SUPR0PageFree is called. * * @remarks Not necessarily supported on all platforms. * * @{ */ #define SUP_IOCTL_PAGE_MAP_KERNEL SUP_CTL_CODE_SIZE(11, SUP_IOCTL_PAGE_MAP_KERNEL_SIZE) #define SUP_IOCTL_PAGE_MAP_KERNEL_SIZE sizeof(SUPPAGEMAPKERNEL) #define SUP_IOCTL_PAGE_MAP_KERNEL_SIZE_IN sizeof(SUPPAGEMAPKERNEL) #define SUP_IOCTL_PAGE_MAP_KERNEL_SIZE_OUT sizeof(SUPPAGEMAPKERNEL) typedef struct SUPPAGEMAPKERNEL { /** The header. */ SUPREQHDR Hdr; union { struct { /** The pointer of to the previously allocated memory. */ RTR3PTR pvR3; /** The offset to start mapping from. */ uint32_t offSub; /** Size of the section to map. */ uint32_t cbSub; /** Flags reserved for future fun. */ uint32_t fFlags; } In; struct { /** The ring-0 address corresponding to pvR3 + offSub. */ RTR0PTR pvR0; } Out; } u; } SUPPAGEMAPKERNEL, *PSUPPAGEMAPKERNEL; /** @} */ /** @name SUP_IOCTL_PAGE_PROTECT * Changes the page level protection of the user and/or kernel mappings of * memory previously allocated by SUPR0PageAllocEx. * * @remarks Not necessarily supported on all platforms. * * @{ */ #define SUP_IOCTL_PAGE_PROTECT SUP_CTL_CODE_SIZE(12, SUP_IOCTL_PAGE_PROTECT_SIZE) #define SUP_IOCTL_PAGE_PROTECT_SIZE sizeof(SUPPAGEPROTECT) #define SUP_IOCTL_PAGE_PROTECT_SIZE_IN sizeof(SUPPAGEPROTECT) #define SUP_IOCTL_PAGE_PROTECT_SIZE_OUT sizeof(SUPPAGEPROTECT) typedef struct SUPPAGEPROTECT { /** The header. */ SUPREQHDR Hdr; union { struct { /** The pointer of to the previously allocated memory. * Pass NIL_RTR3PTR if the ring-0 mapping should remain unaffected. */ RTR3PTR pvR3; /** The pointer of to the previously allocated memory. * Pass NIL_RTR0PTR if the ring-0 mapping should remain unaffected. */ RTR0PTR pvR0; /** The offset to start changing protection at. */ uint32_t offSub; /** Size of the portion that should be changed. */ uint32_t cbSub; /** Protection flags, RTMEM_PROT_*. */ uint32_t fProt; } In; } u; } SUPPAGEPROTECT, *PSUPPAGEPROTECT; /** @} */ /** @name SUP_IOCTL_PAGE_FREE * Free memory allocated with SUP_IOCTL_PAGE_ALLOC_EX. * @{ */ #define SUP_IOCTL_PAGE_FREE SUP_CTL_CODE_SIZE(13, SUP_IOCTL_PAGE_FREE_SIZE_IN) #define SUP_IOCTL_PAGE_FREE_SIZE sizeof(SUPPAGEFREE) #define SUP_IOCTL_PAGE_FREE_SIZE_IN sizeof(SUPPAGEFREE) #define SUP_IOCTL_PAGE_FREE_SIZE_OUT sizeof(SUPREQHDR) typedef struct SUPPAGEFREE { /** The header. */ SUPREQHDR Hdr; union { struct { /** Address of memory range to free. */ RTR3PTR pvR3; } In; } u; } SUPPAGEFREE, *PSUPPAGEFREE; /** @} */ /** @name SUP_IOCTL_PAGE_LOCK * Pin down physical pages. * @{ */ #define SUP_IOCTL_PAGE_LOCK SUP_CTL_CODE_BIG(14) #define SUP_IOCTL_PAGE_LOCK_SIZE(cPages) (RT_MAX((size_t)SUP_IOCTL_PAGE_LOCK_SIZE_IN, (size_t)SUP_IOCTL_PAGE_LOCK_SIZE_OUT(cPages))) #define SUP_IOCTL_PAGE_LOCK_SIZE_IN (sizeof(SUPREQHDR) + RT_SIZEOFMEMB(SUPPAGELOCK, u.In)) #define SUP_IOCTL_PAGE_LOCK_SIZE_OUT(cPages) RT_UOFFSETOF(SUPPAGELOCK, u.Out.aPages[cPages]) typedef struct SUPPAGELOCK { /** The header. */ SUPREQHDR Hdr; union { struct { /** Start of page range. Must be PAGE aligned. */ RTR3PTR pvR3; /** The range size given as a page count. */ uint32_t cPages; } In; struct { /** Array of pages. */ RTHCPHYS aPages[1]; } Out; } u; } SUPPAGELOCK, *PSUPPAGELOCK; /** @} */ /** @name SUP_IOCTL_PAGE_UNLOCK * Unpin physical pages. * @{ */ #define SUP_IOCTL_PAGE_UNLOCK SUP_CTL_CODE_SIZE(15, SUP_IOCTL_PAGE_UNLOCK_SIZE) #define SUP_IOCTL_PAGE_UNLOCK_SIZE sizeof(SUPPAGEUNLOCK) #define SUP_IOCTL_PAGE_UNLOCK_SIZE_IN sizeof(SUPPAGEUNLOCK) #define SUP_IOCTL_PAGE_UNLOCK_SIZE_OUT sizeof(SUPREQHDR) typedef struct SUPPAGEUNLOCK { /** The header. */ SUPREQHDR Hdr; union { struct { /** Start of page range of a range previously pinned. */ RTR3PTR pvR3; } In; } u; } SUPPAGEUNLOCK, *PSUPPAGEUNLOCK; /** @} */ /** @name SUP_IOCTL_CONT_ALLOC * Allocate continuous memory. * @{ */ #define SUP_IOCTL_CONT_ALLOC SUP_CTL_CODE_SIZE(16, SUP_IOCTL_CONT_ALLOC_SIZE) #define SUP_IOCTL_CONT_ALLOC_SIZE sizeof(SUPCONTALLOC) #define SUP_IOCTL_CONT_ALLOC_SIZE_IN (sizeof(SUPREQHDR) + RT_SIZEOFMEMB(SUPCONTALLOC, u.In)) #define SUP_IOCTL_CONT_ALLOC_SIZE_OUT sizeof(SUPCONTALLOC) typedef struct SUPCONTALLOC { /** The header. */ SUPREQHDR Hdr; union { struct { /** The allocation size given as a page count. */ uint32_t cPages; } In; struct { /** The address of the ring-0 mapping of the allocated memory. */ RTR0PTR pvR0; /** The address of the ring-3 mapping of the allocated memory. */ RTR3PTR pvR3; /** The physical address of the allocation. */ RTHCPHYS HCPhys; } Out; } u; } SUPCONTALLOC, *PSUPCONTALLOC; /** @} */ /** @name SUP_IOCTL_CONT_FREE Input. * @{ */ /** Free continuous memory. */ #define SUP_IOCTL_CONT_FREE SUP_CTL_CODE_SIZE(17, SUP_IOCTL_CONT_FREE_SIZE) #define SUP_IOCTL_CONT_FREE_SIZE sizeof(SUPCONTFREE) #define SUP_IOCTL_CONT_FREE_SIZE_IN sizeof(SUPCONTFREE) #define SUP_IOCTL_CONT_FREE_SIZE_OUT sizeof(SUPREQHDR) typedef struct SUPCONTFREE { /** The header. */ SUPREQHDR Hdr; union { struct { /** The ring-3 address of the memory to free. */ RTR3PTR pvR3; } In; } u; } SUPCONTFREE, *PSUPCONTFREE; /** @} */ /** @name SUP_IOCTL_GET_PAGING_MODE * Get the host paging mode. * @{ */ #define SUP_IOCTL_GET_PAGING_MODE SUP_CTL_CODE_SIZE(18, SUP_IOCTL_GET_PAGING_MODE_SIZE) #define SUP_IOCTL_GET_PAGING_MODE_SIZE sizeof(SUPGETPAGINGMODE) #define SUP_IOCTL_GET_PAGING_MODE_SIZE_IN sizeof(SUPREQHDR) #define SUP_IOCTL_GET_PAGING_MODE_SIZE_OUT sizeof(SUPGETPAGINGMODE) typedef struct SUPGETPAGINGMODE { /** The header. */ SUPREQHDR Hdr; union { struct { /** The paging mode. */ SUPPAGINGMODE enmMode; } Out; } u; } SUPGETPAGINGMODE, *PSUPGETPAGINGMODE; /** @} */ /** @name SUP_IOCTL_SET_VM_FOR_FAST * Set the VM handle for doing fast call ioctl calls. * @{ */ #define SUP_IOCTL_SET_VM_FOR_FAST SUP_CTL_CODE_SIZE(19, SUP_IOCTL_SET_VM_FOR_FAST_SIZE) #define SUP_IOCTL_SET_VM_FOR_FAST_SIZE sizeof(SUPSETVMFORFAST) #define SUP_IOCTL_SET_VM_FOR_FAST_SIZE_IN sizeof(SUPSETVMFORFAST) #define SUP_IOCTL_SET_VM_FOR_FAST_SIZE_OUT sizeof(SUPREQHDR) typedef struct SUPSETVMFORFAST { /** The header. */ SUPREQHDR Hdr; union { struct { /** The ring-0 VM handle (pointer). */ PVMR0 pVMR0; } In; } u; } SUPSETVMFORFAST, *PSUPSETVMFORFAST; /** @} */ /** @name SUP_IOCTL_GIP_MAP * Map the GIP into user space. * @{ */ #define SUP_IOCTL_GIP_MAP SUP_CTL_CODE_SIZE(20, SUP_IOCTL_GIP_MAP_SIZE) #define SUP_IOCTL_GIP_MAP_SIZE sizeof(SUPGIPMAP) #define SUP_IOCTL_GIP_MAP_SIZE_IN sizeof(SUPREQHDR) #define SUP_IOCTL_GIP_MAP_SIZE_OUT sizeof(SUPGIPMAP) typedef struct SUPGIPMAP { /** The header. */ SUPREQHDR Hdr; union { struct { /** The physical address of the GIP. */ RTHCPHYS HCPhysGip; /** Pointer to the read-only usermode GIP mapping for this session. */ R3PTRTYPE(PSUPGLOBALINFOPAGE) pGipR3; /** Pointer to the supervisor mode GIP mapping. */ R0PTRTYPE(PSUPGLOBALINFOPAGE) pGipR0; } Out; } u; } SUPGIPMAP, *PSUPGIPMAP; /** @} */ /** @name SUP_IOCTL_GIP_UNMAP * Unmap the GIP. * @{ */ #define SUP_IOCTL_GIP_UNMAP SUP_CTL_CODE_SIZE(21, SUP_IOCTL_GIP_UNMAP_SIZE) #define SUP_IOCTL_GIP_UNMAP_SIZE sizeof(SUPGIPUNMAP) #define SUP_IOCTL_GIP_UNMAP_SIZE_IN sizeof(SUPGIPUNMAP) #define SUP_IOCTL_GIP_UNMAP_SIZE_OUT sizeof(SUPGIPUNMAP) typedef struct SUPGIPUNMAP { /** The header. */ SUPREQHDR Hdr; } SUPGIPUNMAP, *PSUPGIPUNMAP; /** @} */ /** @name SUP_IOCTL_CALL_SERVICE * Call the a ring-0 service. * * @todo Might have to convert this to a big request, just like * SUP_IOCTL_CALL_VMMR0 * @{ */ #define SUP_IOCTL_CALL_SERVICE(cbReq) SUP_CTL_CODE_SIZE(22, SUP_IOCTL_CALL_SERVICE_SIZE(cbReq)) #define SUP_IOCTL_CALL_SERVICE_SIZE(cbReq) RT_UOFFSETOF(SUPCALLSERVICE, abReqPkt[cbReq]) #define SUP_IOCTL_CALL_SERVICE_SIZE_IN(cbReq) SUP_IOCTL_CALL_SERVICE_SIZE(cbReq) #define SUP_IOCTL_CALL_SERVICE_SIZE_OUT(cbReq) SUP_IOCTL_CALL_SERVICE_SIZE(cbReq) typedef struct SUPCALLSERVICE { /** The header. */ SUPREQHDR Hdr; union { struct { /** The service name. */ char szName[28]; /** Which operation to execute. */ uint32_t uOperation; /** Argument to use when no request packet is supplied. */ uint64_t u64Arg; } In; } u; /** The request packet passed to SUP. */ uint8_t abReqPkt[1]; } SUPCALLSERVICE, *PSUPCALLSERVICE; /** @} */ /** @name SUP_IOCTL_LOGGER_SETTINGS * Changes the ring-0 release or debug logger settings. * @{ */ #define SUP_IOCTL_LOGGER_SETTINGS(cbStrTab) SUP_CTL_CODE_SIZE(23, SUP_IOCTL_LOGGER_SETTINGS_SIZE(cbStrTab)) #define SUP_IOCTL_LOGGER_SETTINGS_SIZE(cbStrTab) RT_UOFFSETOF(SUPLOGGERSETTINGS, u.In.szStrings[cbStrTab]) #define SUP_IOCTL_LOGGER_SETTINGS_SIZE_IN(cbStrTab) RT_UOFFSETOF(SUPLOGGERSETTINGS, u.In.szStrings[cbStrTab]) #define SUP_IOCTL_LOGGER_SETTINGS_SIZE_OUT sizeof(SUPREQHDR) typedef struct SUPLOGGERSETTINGS { /** The header. */ SUPREQHDR Hdr; union { struct { /** Which logger. */ uint32_t fWhich; /** What to do with it. */ uint32_t fWhat; /** Offset of the flags setting string. */ uint32_t offFlags; /** Offset of the groups setting string. */ uint32_t offGroups; /** Offset of the destination setting string. */ uint32_t offDestination; /** The string table. */ char szStrings[1]; } In; } u; } SUPLOGGERSETTINGS, *PSUPLOGGERSETTINGS; /** Debug logger. */ #define SUPLOGGERSETTINGS_WHICH_DEBUG 0 /** Release logger. */ #define SUPLOGGERSETTINGS_WHICH_RELEASE 1 /** Change the settings. */ #define SUPLOGGERSETTINGS_WHAT_SETTINGS 0 /** Create the logger instance. */ #define SUPLOGGERSETTINGS_WHAT_CREATE 1 /** Destroy the logger instance. */ #define SUPLOGGERSETTINGS_WHAT_DESTROY 2 /** @} */ /** @name Semaphore Types * @{ */ #define SUP_SEM_TYPE_EVENT 0 #define SUP_SEM_TYPE_EVENT_MULTI 1 /** @} */ /** @name SUP_IOCTL_SEM_OP2 * Semaphore operations. * @remarks This replaces the old SUP_IOCTL_SEM_OP interface. * @{ */ #define SUP_IOCTL_SEM_OP2 SUP_CTL_CODE_SIZE(24, SUP_IOCTL_SEM_OP2_SIZE) #define SUP_IOCTL_SEM_OP2_SIZE sizeof(SUPSEMOP2) #define SUP_IOCTL_SEM_OP2_SIZE_IN sizeof(SUPSEMOP2) #define SUP_IOCTL_SEM_OP2_SIZE_OUT sizeof(SUPREQHDR) typedef struct SUPSEMOP2 { /** The header. */ SUPREQHDR Hdr; union { struct { /** The semaphore type. */ uint32_t uType; /** The semaphore handle. */ uint32_t hSem; /** The operation. */ uint32_t uOp; /** Reserved, must be zero. */ uint32_t uReserved; /** The number of milliseconds to wait if it's a wait operation. */ union { /** Absolute timeout (RTTime[System]NanoTS). * Used by SUPSEMOP2_WAIT_NS_ABS. */ uint64_t uAbsNsTimeout; /** Relative nanosecond timeout. * Used by SUPSEMOP2_WAIT_NS_REL. */ uint64_t cRelNsTimeout; /** Relative millisecond timeout. * Used by SUPSEMOP2_WAIT_MS_REL. */ uint32_t cRelMsTimeout; /** Generic 64-bit accessor. * ASSUMES little endian! */ uint64_t u64; } uArg; } In; } u; } SUPSEMOP2, *PSUPSEMOP2; /** Wait for a number of milliseconds. */ #define SUPSEMOP2_WAIT_MS_REL 0 /** Wait until the specified deadline is reached. */ #define SUPSEMOP2_WAIT_NS_ABS 1 /** Wait for a number of nanoseconds. */ #define SUPSEMOP2_WAIT_NS_REL 2 /** Signal the semaphore. */ #define SUPSEMOP2_SIGNAL 3 /** Reset the semaphore (only applicable to SUP_SEM_TYPE_EVENT_MULTI). */ #define SUPSEMOP2_RESET 4 /** Close the semaphore handle. */ #define SUPSEMOP2_CLOSE 5 /** @} */ /** @name SUP_IOCTL_SEM_OP3 * Semaphore operations. * @{ */ #define SUP_IOCTL_SEM_OP3 SUP_CTL_CODE_SIZE(25, SUP_IOCTL_SEM_OP3_SIZE) #define SUP_IOCTL_SEM_OP3_SIZE sizeof(SUPSEMOP3) #define SUP_IOCTL_SEM_OP3_SIZE_IN sizeof(SUPSEMOP3) #define SUP_IOCTL_SEM_OP3_SIZE_OUT sizeof(SUPSEMOP3) typedef struct SUPSEMOP3 { /** The header. */ SUPREQHDR Hdr; union { struct { /** The semaphore type. */ uint32_t uType; /** The semaphore handle. */ uint32_t hSem; /** The operation. */ uint32_t uOp; /** Reserved, must be zero. */ uint32_t u32Reserved; /** Reserved for future use. */ uint64_t u64Reserved; } In; union { /** The handle of the created semaphore. * Used by SUPSEMOP3_CREATE. */ uint32_t hSem; /** The semaphore resolution in nano seconds. * Used by SUPSEMOP3_GET_RESOLUTION. */ uint32_t cNsResolution; /** The 32-bit view. */ uint32_t u32; /** Reserved some space for later expansion. */ uint64_t u64Reserved; } Out; } u; } SUPSEMOP3, *PSUPSEMOP3; /** Get the wait resolution. */ #define SUPSEMOP3_CREATE 0 /** Get the wait resolution. */ #define SUPSEMOP3_GET_RESOLUTION 1 /** @} */ /** @name SUP_IOCTL_VT_CAPS * Get the VT-x/AMD-V capabilities. * * @todo Intended for main, which means we need to relax the privilege requires * when accessing certain vboxdrv functions. * * @{ */ #define SUP_IOCTL_VT_CAPS SUP_CTL_CODE_SIZE(26, SUP_IOCTL_VT_CAPS_SIZE) #define SUP_IOCTL_VT_CAPS_SIZE sizeof(SUPVTCAPS) #define SUP_IOCTL_VT_CAPS_SIZE_IN sizeof(SUPREQHDR) #define SUP_IOCTL_VT_CAPS_SIZE_OUT sizeof(SUPVTCAPS) typedef struct SUPVTCAPS { /** The header. */ SUPREQHDR Hdr; union { struct { /** The VT capability dword. */ uint32_t Caps; } Out; } u; } SUPVTCAPS, *PSUPVTCAPS; /** @} */ #pragma pack() /* paranoia */ #endif