ssm.h revision 120f01afbe49cf87fc97b470b7d58e8318b2928a
/** @file
* SSM - The Save State Manager. (VMM)
*/
/*
* Copyright (C) 2006-2007 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 ___VBox_ssm_h
#define ___VBox_ssm_h
#include <VBox/cdefs.h>
#include <VBox/types.h>
#include <VBox/tm.h>
#include <VBox/vmapi.h>
RT_C_DECLS_BEGIN
/** @defgroup grp_ssm The Saved State Manager API
* @{
*/
/**
* Determine the major version of the SSM version. If the major SSM version of two snapshots is
* different, the snapshots are incompatible.
*/
#define SSM_VERSION_MAJOR(ver) ((ver) & 0xffff0000)
/**
* Determine the minor version of the SSM version. If the major SSM version of two snapshots is
* the same, the code must handle incompatibilies between minor version changes (e.g. use dummy
* values for non-existent fields).
*/
#define SSM_VERSION_MINOR(ver) ((ver) & 0x0000ffff)
/**
* Determine if the major version changed between two SSM versions.
*/
#define SSM_VERSION_MAJOR_CHANGED(ver1,ver2) (SSM_VERSION_MAJOR(ver1) != SSM_VERSION_MAJOR(ver2))
/** The special value for the final pass. */
#define SSM_PASS_FINAL UINT32_MAX
#ifdef IN_RING3
/** @defgroup grp_ssm_r3 The SSM Host Context Ring-3 API
* @{
*/
/**
* What to do after the save/load operation.
*/
typedef enum SSMAFTER
{
/** Invalid. */
SSMAFTER_INVALID = 0,
/** Will resume the loaded state. */
SSMAFTER_RESUME,
/** Will destroy the VM after saving. */
SSMAFTER_DESTROY,
/** Will continue execution after saving the VM. */
SSMAFTER_CONTINUE,
/** Will teleport the VM.
* The source VM will be destroyed (then one saving), the destination VM
* will continue execution. */
SSMAFTER_TELEPORT,
/** Will debug the saved state.
* This is used to drop some of the stricter consitentcy checks so it'll
* load fine in the debugger or animator. */
SSMAFTER_DEBUG_IT,
/** The file was opened using SSMR3Open() and we have no idea what the plan is. */
SSMAFTER_OPENED
} SSMAFTER;
/** Pointer to a structure field description. */
typedef struct SSMFIELD *PSSMFIELD;
/** Pointer to a const structure field description. */
typedef const struct SSMFIELD *PCSSMFIELD;
/**
* SSMFIELD Get/Put callback function.
*
* This is call for getting and putting the field it is associated with. It's
* up to the callback to work the saved state correctly.
*
* @returns VBox status code.
*
* @param pSSM The saved state handle.
* @param pField The field that is being processed.
* @param pvStruct Pointer to the structure.
* @param fFlags SSMSTRUCT_FLAGS_XXX.
* @param fGetOrPut True if getting, false if putting.
* @param pvUser The user argument specified to SSMR3GetStructEx or
* SSMR3PutStructEx.
*/
typedef DECLCALLBACK(int) FNSSMFIELDGETPUT(PSSMHANDLE pSSM, const struct SSMFIELD *pField, void *pvStruct,
uint32_t fFlags, bool fGetOrPut, void *pvUser);
/** Pointer to a SSMFIELD Get/Put callback. */
typedef FNSSMFIELDGETPUT *PFNSSMFIELDGETPUT;
/**
* SSM field transformers.
*
* These are stored in the SSMFIELD::pfnGetPutOrTransformer and must therefore
* have values outside the valid pointer range.
*/
typedef enum SSMFIELDTRANS
{
/** Invalid. */
SSMFIELDTRANS_INVALID = 0,
/** No transformation. */
SSMFIELDTRANS_NO_TRANSFORMATION,
/** Guest context (GC) physical address. */
SSMFIELDTRANS_GCPHYS,
/** Guest context (GC) virtual address. */
SSMFIELDTRANS_GCPTR,
/** Raw-mode context (RC) virtual address. */
SSMFIELDTRANS_RCPTR,
/** Array of raw-mode context (RC) virtual addresses. */
SSMFIELDTRANS_RCPTR_ARRAY,
/** Host context (HC) virtual address used as a NULL indicator. See
* SSMFIELD_ENTRY_HCPTR_NI. */
SSMFIELDTRANS_HCPTR_NI,
/** Array of SSMFIELDTRANS_HCPTR_NI. */
SSMFIELDTRANS_HCPTR_NI_ARRAY,
/** Host context (HC) virtual address used to hold a unsigned 32-bit value. */
SSMFIELDTRANS_HCPTR_HACK_U32,
/** Ignorable field. See SSMFIELD_ENTRY_IGNORE. */
SSMFIELDTRANS_IGNORE,
/** Ignorable guest context (GC) physical address. */
SSMFIELDTRANS_IGN_GCPHYS,
/** Ignorable guest context (GC) virtual address. */
SSMFIELDTRANS_IGN_GCPTR,
/** Ignorable raw-mode context (RC) virtual address. */
SSMFIELDTRANS_IGN_RCPTR,
/** Ignorable host context (HC) virtual address. */
SSMFIELDTRANS_IGN_HCPTR,
/** Old field.
* Save as zeros and skip on restore (nowhere to restore it any longer). */
SSMFIELDTRANS_OLD,
/** Old guest context (GC) physical address. */
SSMFIELDTRANS_OLD_GCPHYS,
/** Old guest context (GC) virtual address. */
SSMFIELDTRANS_OLD_GCPTR,
/** Old raw-mode context (RC) virtual address. */
SSMFIELDTRANS_OLD_RCPTR,
/** Old host context (HC) virtual address. */
SSMFIELDTRANS_OLD_HCPTR,
/** Old host context specific padding.
* The lower word is the size of 32-bit hosts, the upper for 64-bit hosts. */
SSMFIELDTRANS_OLD_PAD_HC,
/** Old padding specific to the 32-bit Microsoft C Compiler. */
SSMFIELDTRANS_OLD_PAD_MSC32,
/** Padding that differs between 32-bit and 64-bit hosts.
* The first byte of SSMFIELD::cb contains the size for 32-bit hosts.
* The second byte of SSMFIELD::cb contains the size for 64-bit hosts.
* The upper word of SSMFIELD::cb contains the actual field size.
*/
SSMFIELDTRANS_PAD_HC,
/** Padding for 32-bit hosts only.
* SSMFIELD::cb has the same format as for SSMFIELDTRANS_PAD_HC. */
SSMFIELDTRANS_PAD_HC32,
/** Padding for 64-bit hosts only.
* SSMFIELD::cb has the same format as for SSMFIELDTRANS_PAD_HC. */
SSMFIELDTRANS_PAD_HC64,
/** Automatic compiler padding that may differ between 32-bit and
* 64-bit hosts. SSMFIELD::cb has the same format as for
* SSMFIELDTRANS_PAD_HC. */
SSMFIELDTRANS_PAD_HC_AUTO,
/** Automatic compiler padding specific to the 32-bit Microsoft C
* compiler.
* SSMFIELD::cb has the same format as for SSMFIELDTRANS_PAD_HC. */
SSMFIELDTRANS_PAD_MSC32_AUTO
} SSMFIELDTRANS;
/** Tests if it's a padding field with the special SSMFIELD::cb format.
* @returns true / false.
* @param pfn The SSMFIELD::pfnGetPutOrTransformer value.
*/
#define SSMFIELDTRANS_IS_PADDING(pfn) \
( (uintptr_t)(pfn) >= SSMFIELDTRANS_PAD_HC && (uintptr_t)(pfn) <= SSMFIELDTRANS_PAD_MSC32_AUTO )
/** Tests if it's an entry for an old field.
*
* @returns true / false.
* @param pfn The SSMFIELD::pfnGetPutOrTransformer value.
*/
#define SSMFIELDTRANS_IS_OLD(pfn) \
( (uintptr_t)(pfn) >= SSMFIELDTRANS_OLD && (uintptr_t)(pfn) <= SSMFIELDTRANS_OLD_PAD_MSC32 )
/**
* A structure field description.
*/
typedef struct SSMFIELD
{
/** Getter and putter callback or transformer index. */
PFNSSMFIELDGETPUT pfnGetPutOrTransformer;
/** Field offset into the structure. */
uint32_t off;
/** The size of the field. */
uint32_t cb;
/** Field name. */
const char *pszName;
} SSMFIELD;
/** Emit a SSMFIELD array entry.
* @internal */
#define SSMFIELD_ENTRY_INT(Name, off, cb, enmTransformer) \
{ (PFNSSMFIELDGETPUT)(uintptr_t)(enmTransformer), (off), (cb), Name }
/** Emit a SSMFIELD array entry.
* @internal */
#define SSMFIELD_ENTRY_TF_INT(Type, Field, enmTransformer) \
SSMFIELD_ENTRY_INT(#Type "::" #Field, RT_OFFSETOF(Type, Field), RT_SIZEOFMEMB(Type, Field), enmTransformer)
/** Emit a SSMFIELD array entry for an old field.
* @internal */
#define SSMFIELD_ENTRY_OLD_INT(Field, cb, enmTransformer) \
SSMFIELD_ENTRY_INT("old::" #Field, UINT32_MAX / 2, (cb), enmTransformer)
/** Emit a SSMFIELD array entry for an alignment padding.
* @internal */
#define SSMFIELD_ENTRY_PAD_INT(Type, Field, cb32, cb64, enmTransformer) \
SSMFIELD_ENTRY_INT(#Type "::" #Field, RT_OFFSETOF(Type, Field), \
(RT_SIZEOFMEMB(Type, Field) << 16) | (cb32) | ((cb64) << 8), enmTransformer)
/** Emit a SSMFIELD array entry for an alignment padding.
* @internal */
#define SSMFIELD_ENTRY_PAD_OTHER_INT(Type, Field, cb32, cb64, enmTransformer) \
SSMFIELD_ENTRY_INT(#Type "::" #Field, UINT32_MAX / 2, 0 | (cb32) | ((cb64) << 8), enmTransformer)
/** Emit a SSMFIELD array entry. */
#define SSMFIELD_ENTRY(Type, Field) SSMFIELD_ENTRY_TF_INT(Type, Field, SSMFIELDTRANS_NO_TRANSFORMATION)
/** Emit a SSMFIELD array entry for a custom made field. This is intended
* for working around bitfields in old structures. */
#define SSMFIELD_ENTRY_CUSTOM(Field, off, cb) SSMFIELD_ENTRY_INT("custom::" #Field, off, cb, SSMFIELDTRANS_NO_TRANSFORMATION)
/** Emit a SSMFIELD array entry for a RTGCPHYS type. */
#define SSMFIELD_ENTRY_GCPHYS(Type, Field) SSMFIELD_ENTRY_TF_INT(Type, Field, SSMFIELDTRANS_GCPHYS)
/** Emit a SSMFIELD array entry for a RTGCPTR type. */
#define SSMFIELD_ENTRY_GCPTR(Type, Field) SSMFIELD_ENTRY_TF_INT(Type, Field, SSMFIELDTRANS_GCPTR)
/** Emit a SSMFIELD array entry for a raw-mode context pointer. */
#define SSMFIELD_ENTRY_RCPTR(Type, Field) SSMFIELD_ENTRY_TF_INT(Type, Field, SSMFIELDTRANS_RCPTR)
/** Emit a SSMFIELD array entry for a raw-mode context pointer. */
#define SSMFIELD_ENTRY_RCPTR_ARRAY(Type, Field) SSMFIELD_ENTRY_TF_INT(Type, Field, SSMFIELDTRANS_RCPTR_ARRAY)
/** Emit a SSMFIELD array entry for a ring-0 or ring-3 pointer type that is only
* of interest as a NULL indicator.
*
* This is always restored as a 0 (NULL) or 1 value. When
* SSMSTRUCT_FLAGS_DONT_IGNORE is set, the pointer will be saved in its
* entirety, when clear it will be saved as a boolean. */
#define SSMFIELD_ENTRY_HCPTR_NI(Type, Field) SSMFIELD_ENTRY_TF_INT(Type, Field, SSMFIELDTRANS_HCPTR_NI)
/** Same as SSMFIELD_ENTRY_HCPTR_NI, except it's an array of the buggers. */
#define SSMFIELD_ENTRY_HCPTR_NI_ARRAY(Type, Field) SSMFIELD_ENTRY_TF_INT(Type, Field, SSMFIELDTRANS_HCPTR_NI_ARRAY)
/** Emit a SSMFIELD array entry for a ring-0 or ring-3 pointer type that has
* been hacked such that it will never exceed 32-bit. No sign extenending. */
#define SSMFIELD_ENTRY_HCPTR_HACK_U32(Type, Field) SSMFIELD_ENTRY_TF_INT(Type, Field, SSMFIELDTRANS_HCPTR_HACK_U32)
/** Emit a SSMFIELD array entry for a field that can be ignored.
* It is stored as zeros if SSMSTRUCT_FLAGS_DONT_IGNORE is specified to
* SSMR3PutStructEx. The member is never touched upon restore. */
#define SSMFIELD_ENTRY_IGNORE(Type, Field) SSMFIELD_ENTRY_TF_INT(Type, Field, SSMFIELDTRANS_IGNORE)
/** Emit a SSMFIELD array entry for an ignorable RTGCPHYS type. */
#define SSMFIELD_ENTRY_IGN_GCPHYS(Type, Field) SSMFIELD_ENTRY_TF_INT(Type, Field, SSMFIELDTRANS_IGN_GCPHYS)
/** Emit a SSMFIELD array entry for an ignorable RTGCPHYS type. */
#define SSMFIELD_ENTRY_IGN_GCPTR(Type, Field) SSMFIELD_ENTRY_TF_INT(Type, Field, SSMFIELDTRANS_IGN_GCPTR)
/** Emit a SSMFIELD array entry for an ignorable raw-mode context pointer. */
#define SSMFIELD_ENTRY_IGN_RCPTR(Type, Field) SSMFIELD_ENTRY_TF_INT(Type, Field, SSMFIELDTRANS_IGN_RCPTR)
/** Emit a SSMFIELD array entry for an ignorable ring-3 or/and ring-0 pointer. */
#define SSMFIELD_ENTRY_IGN_HCPTR(Type, Field) SSMFIELD_ENTRY_TF_INT(Type, Field, SSMFIELDTRANS_IGN_HCPTR)
/** Emit a SSMFIELD array entry for an old field that should be ignored now.
* It is stored as zeros and skipped on load. */
#define SSMFIELD_ENTRY_OLD(Field, cb) SSMFIELD_ENTRY_OLD_INT(Field, cb, SSMFIELDTRANS_OLD)
/** Same as SSMFIELD_ENTRY_IGN_GCPHYS, except there is no structure field. */
#define SSMFIELD_ENTRY_OLD_GCPHYS(Field) SSMFIELD_ENTRY_OLD_INT(Field, sizeof(RTGCPHYS), SSMFIELDTRANS_OLD_GCPHYS)
/** Same as SSMFIELD_ENTRY_IGN_GCPTR, except there is no structure field. */
#define SSMFIELD_ENTRY_OLD_GCPTR(Field) SSMFIELD_ENTRY_OLD_INT(Field, sizeof(RTGCPTR), SSMFIELDTRANS_OLD_GCPTR)
/** Same as SSMFIELD_ENTRY_IGN_RCPTR, except there is no structure field. */
#define SSMFIELD_ENTRY_OLD_RCPTR(Field) SSMFIELD_ENTRY_OLD_INT(Field, sizeof(RTRCPTR), SSMFIELDTRANS_OLD_RCPTR)
/** Same as SSMFIELD_ENTRY_IGN_HCPTR, except there is no structure field. */
#define SSMFIELD_ENTRY_OLD_HCPTR(Field) SSMFIELD_ENTRY_OLD_INT(Field, sizeof(RTHCPTR), SSMFIELDTRANS_OLD_HCPTR)
/** Same as SSMFIELD_ENTRY_PAD_HC, except there is no structure field. */
#define SSMFIELD_ENTRY_OLD_PAD_HC(Field, cb32, cb64) \
SSMFIELD_ENTRY_OLD_INT(Field, RT_MAKE_U32((cb32), (cb64)), SSMFIELDTRANS_OLD_PAD_HC)
/** Same as SSMFIELD_ENTRY_PAD_HC64, except there is no structure field. */
#define SSMFIELD_ENTRY_OLD_PAD_HC64(Field, cb) SSMFIELD_ENTRY_OLD_PAD_HC(Field, 0, cb)
/** Same as SSMFIELD_ENTRY_PAD_HC32, except there is no structure field. */
#define SSMFIELD_ENTRY_OLD_PAD_HC32(Field, cb) SSMFIELD_ENTRY_OLD_PAD_HC(Field, cb, 0)
/** Same as SSMFIELD_ENTRY_PAD_HC, except there is no structure field. */
#define SSMFIELD_ENTRY_OLD_PAD_MSC32(Field, cb) SSMFIELD_ENTRY_OLD_INT(Field, cb, SSMFIELDTRANS_OLD_PAD_MSC32)
/** Emit a SSMFIELD array entry for a padding that differs in size between
* 64-bit and 32-bit hosts. */
#define SSMFIELD_ENTRY_PAD_HC(Type, Field, cb32, cb64) SSMFIELD_ENTRY_PAD_INT( Type, Field, cb32, cb64, SSMFIELDTRANS_PAD_HC)
/** Emit a SSMFIELD array entry for a padding that is exclusive to 64-bit hosts. */
#if HC_ARCH_BITS == 64
# define SSMFIELD_ENTRY_PAD_HC64(Type, Field, cb) SSMFIELD_ENTRY_PAD_INT( Type, Field, 0, cb, SSMFIELDTRANS_PAD_HC64)
#else
# define SSMFIELD_ENTRY_PAD_HC64(Type, Field, cb) SSMFIELD_ENTRY_PAD_OTHER_INT(Type, Field, 0, cb, SSMFIELDTRANS_PAD_HC64)
#endif
/** Emit a SSMFIELD array entry for a 32-bit padding for on 64-bits hosts. */
#if HC_ARCH_BITS == 32
# define SSMFIELD_ENTRY_PAD_HC32(Type, Field, cb) SSMFIELD_ENTRY_PAD_INT( Type, Field, cb, 0, SSMFIELDTRANS_PAD_HC32)
#else
# define SSMFIELD_ENTRY_PAD_HC32(Type, Field, cb) SSMFIELD_ENTRY_PAD_OTHER_INT(Type, Field, cb, 0, SSMFIELDTRANS_PAD_HC32)
#endif
/** Emit a SSMFIELD array entry for an automatic compiler padding that may
* differ in size between 64-bit and 32-bit hosts. */
#if HC_ARCH_BITS == 64
# define SSMFIELD_ENTRY_PAD_HC_AUTO(cb32, cb64) \
{ \
(PFNSSMFIELDGETPUT)(uintptr_t)(SSMFIELDTRANS_PAD_HC_AUTO), \
UINT32_MAX / 2, (cb64 << 16) | (cb32) | ((cb64) << 8), "<compiler-padding>" \
}
#else
# define SSMFIELD_ENTRY_PAD_HC_AUTO(cb32, cb64) \
{ \
(PFNSSMFIELDGETPUT)(uintptr_t)(SSMFIELDTRANS_PAD_HC_AUTO), \
UINT32_MAX / 2, (cb32 << 16) | (cb32) | ((cb64) << 8), "<compiler-padding>" \
}
#endif
/** Emit a SSMFIELD array entry for an automatic compiler padding that is unique
* to the 32-bit microsoft compiler. This is usually used together with
* SSMFIELD_ENTRY_PAD_HC*. */
#if HC_ARCH_BITS == 32 && defined(_MSC_VER)
# define SSMFIELD_ENTRY_PAD_MSC32_AUTO(cb) \
{ \
(PFNSSMFIELDGETPUT)(uintptr_t)(SSMFIELDTRANS_PAD_MSC32_AUTO), \
UINT32_MAX / 2, ((cb) << 16) | (cb), "<msc32-padding>" \
}
#else
# define SSMFIELD_ENTRY_PAD_MSC32_AUTO(cb) \
{ \
(PFNSSMFIELDGETPUT)(uintptr_t)(SSMFIELDTRANS_PAD_MSC32_AUTO), \
UINT32_MAX / 2, (cb), "<msc32-padding>" \
}
#endif
/** Emit a SSMFIELD array entry for a field with a custom callback. */
#define SSMFIELD_ENTRY_CALLBACK(Type, Field, pfnGetPut) \
{ (pfnGetPut), RT_OFFSETOF(Type, Field), RT_SIZEOFMEMB(Type, Field), #Type "::" #Field }
/** Emit the terminating entry of a SSMFIELD array. */
#define SSMFIELD_ENTRY_TERM() { (PFNSSMFIELDGETPUT)(uintptr_t)SSMFIELDTRANS_INVALID, UINT32_MAX, UINT32_MAX, NULL }
/** @name SSMR3GetStructEx and SSMR3PutStructEx flags.
* @{ */
/** The field descriptors must exactly cover the entire struct, A to Z. */
#define SSMSTRUCT_FLAGS_FULL_STRUCT RT_BIT_32(0)
/** No start and end markers, just the raw bits. */
#define SSMSTRUCT_FLAGS_NO_MARKERS RT_BIT_32(1)
/** Do not ignore any ignorable fields. */
#define SSMSTRUCT_FLAGS_DONT_IGNORE RT_BIT_32(2)
/** Saved using SSMR3PutMem, don't be too strict. */
#define SSMSTRUCT_FLAGS_SAVED_AS_MEM RT_BIT_32(3)
/** Band-aid for old SSMR3PutMem/SSMR3GetMem of structurs with host pointers. */
#define SSMSTRUCT_FLAGS_MEM_BAND_AID ( SSMSTRUCT_FLAGS_DONT_IGNORE | SSMSTRUCT_FLAGS_FULL_STRUCT \
| SSMSTRUCT_FLAGS_NO_MARKERS | SSMSTRUCT_FLAGS_SAVED_AS_MEM)
/** Mask of the valid bits. */
#define SSMSTRUCT_FLAGS_VALID_MASK UINT32_C(0x0000000f)
/** @} */
/** The PDM Device callback variants.
* @{
*/
/**
* Prepare state live save operation.
*
* @returns VBox status code.
* @param pDevIns Device instance of the device which registered the data unit.
* @param pSSM SSM operation handle.
* @thread Any.
*/
typedef DECLCALLBACK(int) FNSSMDEVLIVEPREP(PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
/** Pointer to a FNSSMDEVLIVEPREP() function. */
typedef FNSSMDEVLIVEPREP *PFNSSMDEVLIVEPREP;
/**
* Execute state live save operation.
*
* This will be called repeatedly until all units vote that the live phase has
* been concluded.
*
* @returns VBox status code.
* @param pDevIns Device instance of the device which registered the data unit.
* @param pSSM SSM operation handle.
* @param uPass The pass.
* @thread Any.
*/
typedef DECLCALLBACK(int) FNSSMDEVLIVEEXEC(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uPass);
/** Pointer to a FNSSMDEVLIVEEXEC() function. */
typedef FNSSMDEVLIVEEXEC *PFNSSMDEVLIVEEXEC;
/**
* Vote on whether the live part of the saving has been concluded.
*
* The vote stops once a unit has vetoed the decision, so don't rely upon this
* being called every time.
*
* @returns VBox status code.
* @retval VINF_SUCCESS if done.
* @retval VINF_SSM_VOTE_FOR_ANOTHER_PASS if another pass is needed.
* @retval VINF_SSM_VOTE_DONE_DONT_CALL_AGAIN if the live saving of the unit is
* done and there is not need calling it again before the final pass.
* @retval VERR_SSM_VOTE_FOR_GIVING_UP if its time to give up.
*
* @param pDevIns Device instance of the device which registered the data unit.
* @param pSSM SSM operation handle.
* @param uPass The data pass.
* @thread Any.
*/
typedef DECLCALLBACK(int) FNSSMDEVLIVEVOTE(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uPass);
/** Pointer to a FNSSMDEVLIVEVOTE() function. */
typedef FNSSMDEVLIVEVOTE *PFNSSMDEVLIVEVOTE;
/**
* Prepare state save operation.
*
* @returns VBox status code.
* @param pDevIns Device instance of the device which registered the data unit.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMDEVSAVEPREP(PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
/** Pointer to a FNSSMDEVSAVEPREP() function. */
typedef FNSSMDEVSAVEPREP *PFNSSMDEVSAVEPREP;
/**
* Execute state save operation.
*
* @returns VBox status code.
* @param pDevIns Device instance of the device which registered the data unit.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMDEVSAVEEXEC(PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
/** Pointer to a FNSSMDEVSAVEEXEC() function. */
typedef FNSSMDEVSAVEEXEC *PFNSSMDEVSAVEEXEC;
/**
* Done state save operation.
*
* @returns VBox status code.
* @param pDevIns Device instance of the device which registered the data unit.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMDEVSAVEDONE(PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
/** Pointer to a FNSSMDEVSAVEDONE() function. */
typedef FNSSMDEVSAVEDONE *PFNSSMDEVSAVEDONE;
/**
* Prepare state load operation.
*
* @returns VBox status code.
* @param pDevIns Device instance of the device which registered the data unit.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMDEVLOADPREP(PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
/** Pointer to a FNSSMDEVLOADPREP() function. */
typedef FNSSMDEVLOADPREP *PFNSSMDEVLOADPREP;
/**
* Execute state load operation.
*
* @returns VBox status code.
* @param pDevIns Device instance of the device which registered the data unit.
* @param pSSM SSM operation handle.
* @param uVersion Data layout version.
* @param uPass The pass. This is always SSM_PASS_FINAL for units
* that doesn't specify a pfnSaveLive callback.
*/
typedef DECLCALLBACK(int) FNSSMDEVLOADEXEC(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass);
/** Pointer to a FNSSMDEVLOADEXEC() function. */
typedef FNSSMDEVLOADEXEC *PFNSSMDEVLOADEXEC;
/**
* Done state load operation.
*
* @returns VBox load code.
* @param pDevIns Device instance of the device which registered the data unit.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMDEVLOADDONE(PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
/** Pointer to a FNSSMDEVLOADDONE() function. */
typedef FNSSMDEVLOADDONE *PFNSSMDEVLOADDONE;
/** @} */
/** The PDM USB device callback variants.
* @{
*/
/**
* Prepare state live save operation.
*
* @returns VBox status code.
* @param pUsbIns The USB device instance of the USB device which
* registered the data unit.
* @param pSSM SSM operation handle.
* @thread Any.
*/
typedef DECLCALLBACK(int) FNSSMUSBLIVEPREP(PPDMUSBINS pUsbIns, PSSMHANDLE pSSM);
/** Pointer to a FNSSMUSBLIVEPREP() function. */
typedef FNSSMUSBLIVEPREP *PFNSSMUSBLIVEPREP;
/**
* Execute state live save operation.
*
* This will be called repeatedly until all units vote that the live phase has
* been concluded.
*
* @returns VBox status code.
* @param pUsbIns The USB device instance of the USB device which
* registered the data unit.
* @param pSSM SSM operation handle.
* @param uPass The pass.
* @thread Any.
*/
typedef DECLCALLBACK(int) FNSSMUSBLIVEEXEC(PPDMUSBINS pUsbIns, PSSMHANDLE pSSM, uint32_t uPass);
/** Pointer to a FNSSMUSBLIVEEXEC() function. */
typedef FNSSMUSBLIVEEXEC *PFNSSMUSBLIVEEXEC;
/**
* Vote on whether the live part of the saving has been concluded.
*
* The vote stops once a unit has vetoed the decision, so don't rely upon this
* being called every time.
*
* @returns VBox status code.
* @retval VINF_SUCCESS if done.
* @retval VINF_SSM_VOTE_FOR_ANOTHER_PASS if another pass is needed.
* @retval VINF_SSM_VOTE_DONE_DONT_CALL_AGAIN if the live saving of the unit is
* done and there is not need calling it again before the final pass.
* @retval VERR_SSM_VOTE_FOR_GIVING_UP if its time to give up.
*
* @param pUsbIns The USB device instance of the USB device which
* registered the data unit.
* @param pSSM SSM operation handle.
* @param uPass The data pass.
* @thread Any.
*/
typedef DECLCALLBACK(int) FNSSMUSBLIVEVOTE(PPDMUSBINS pUsbIns, PSSMHANDLE pSSM, uint32_t uPass);
/** Pointer to a FNSSMUSBLIVEVOTE() function. */
typedef FNSSMUSBLIVEVOTE *PFNSSMUSBLIVEVOTE;
/**
* Prepare state save operation.
*
* @returns VBox status code.
* @param pUsbIns The USB device instance of the USB device which
* registered the data unit.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMUSBSAVEPREP(PPDMUSBINS pUsbIns, PSSMHANDLE pSSM);
/** Pointer to a FNSSMUSBSAVEPREP() function. */
typedef FNSSMUSBSAVEPREP *PFNSSMUSBSAVEPREP;
/**
* Execute state save operation.
*
* @returns VBox status code.
* @param pUsbIns The USB device instance of the USB device which
* registered the data unit.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMUSBSAVEEXEC(PPDMUSBINS pUsbIns, PSSMHANDLE pSSM);
/** Pointer to a FNSSMUSBSAVEEXEC() function. */
typedef FNSSMUSBSAVEEXEC *PFNSSMUSBSAVEEXEC;
/**
* Done state save operation.
*
* @returns VBox status code.
* @param pUsbIns The USB device instance of the USB device which
* registered the data unit.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMUSBSAVEDONE(PPDMUSBINS pUsbIns, PSSMHANDLE pSSM);
/** Pointer to a FNSSMUSBSAVEDONE() function. */
typedef FNSSMUSBSAVEDONE *PFNSSMUSBSAVEDONE;
/**
* Prepare state load operation.
*
* @returns VBox status code.
* @param pUsbIns The USB device instance of the USB device which
* registered the data unit.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMUSBLOADPREP(PPDMUSBINS pUsbIns, PSSMHANDLE pSSM);
/** Pointer to a FNSSMUSBLOADPREP() function. */
typedef FNSSMUSBLOADPREP *PFNSSMUSBLOADPREP;
/**
* Execute state load operation.
*
* @returns VBox status code.
* @param pUsbIns The USB device instance of the USB device which
* registered the data unit.
* @param pSSM SSM operation handle.
* @param uVersion Data layout version.
* @param uPass The pass. This is always SSM_PASS_FINAL for units
* that doesn't specify a pfnSaveLive callback.
*/
typedef DECLCALLBACK(int) FNSSMUSBLOADEXEC(PPDMUSBINS pUsbIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass);
/** Pointer to a FNSSMUSBLOADEXEC() function. */
typedef FNSSMUSBLOADEXEC *PFNSSMUSBLOADEXEC;
/**
* Done state load operation.
*
* @returns VBox load code.
* @param pUsbIns The USB device instance of the USB device which
* registered the data unit.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMUSBLOADDONE(PPDMUSBINS pUsbIns, PSSMHANDLE pSSM);
/** Pointer to a FNSSMUSBLOADDONE() function. */
typedef FNSSMUSBLOADDONE *PFNSSMUSBLOADDONE;
/** @} */
/** The PDM Driver callback variants.
* @{
*/
/**
* Prepare state live save operation.
*
* @returns VBox status code.
* @param pDrvIns Driver instance of the driver which registered the
* data unit.
* @param pSSM SSM operation handle.
* @thread Any.
*/
typedef DECLCALLBACK(int) FNSSMDRVLIVEPREP(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM);
/** Pointer to a FNSSMDRVLIVEPREP() function. */
typedef FNSSMDRVLIVEPREP *PFNSSMDRVLIVEPREP;
/**
* Execute state live save operation.
*
* This will be called repeatedly until all units vote that the live phase has
* been concluded.
*
* @returns VBox status code.
* @param pDrvIns Driver instance of the driver which registered the
* data unit.
* @param pSSM SSM operation handle.
* @param uPass The data pass.
* @thread Any.
*/
typedef DECLCALLBACK(int) FNSSMDRVLIVEEXEC(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM, uint32_t uPass);
/** Pointer to a FNSSMDRVLIVEEXEC() function. */
typedef FNSSMDRVLIVEEXEC *PFNSSMDRVLIVEEXEC;
/**
* Vote on whether the live part of the saving has been concluded.
*
* The vote stops once a unit has vetoed the decision, so don't rely upon this
* being called every time.
*
* @returns VBox status code.
* @retval VINF_SUCCESS if done.
* @retval VINF_SSM_VOTE_FOR_ANOTHER_PASS if another pass is needed.
* @retval VINF_SSM_VOTE_DONE_DONT_CALL_AGAIN if the live saving of the unit is
* done and there is not need calling it again before the final pass.
* @retval VERR_SSM_VOTE_FOR_GIVING_UP if its time to give up.
*
* @param pDrvIns Driver instance of the driver which registered the
* data unit.
* @param pSSM SSM operation handle.
* @param uPass The data pass.
* @thread Any.
*/
typedef DECLCALLBACK(int) FNSSMDRVLIVEVOTE(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM, uint32_t uPass);
/** Pointer to a FNSSMDRVLIVEVOTE() function. */
typedef FNSSMDRVLIVEVOTE *PFNSSMDRVLIVEVOTE;
/**
* Prepare state save operation.
*
* @returns VBox status code.
* @param pDrvIns Driver instance of the driver which registered the data unit.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMDRVSAVEPREP(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM);
/** Pointer to a FNSSMDRVSAVEPREP() function. */
typedef FNSSMDRVSAVEPREP *PFNSSMDRVSAVEPREP;
/**
* Execute state save operation.
*
* @returns VBox status code.
* @param pDrvIns Driver instance of the driver which registered the data unit.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMDRVSAVEEXEC(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM);
/** Pointer to a FNSSMDRVSAVEEXEC() function. */
typedef FNSSMDRVSAVEEXEC *PFNSSMDRVSAVEEXEC;
/**
* Done state save operation.
*
* @returns VBox status code.
* @param pDrvIns Driver instance of the driver which registered the data unit.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMDRVSAVEDONE(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM);
/** Pointer to a FNSSMDRVSAVEDONE() function. */
typedef FNSSMDRVSAVEDONE *PFNSSMDRVSAVEDONE;
/**
* Prepare state load operation.
*
* @returns VBox status code.
* @param pDrvIns Driver instance of the driver which registered the data unit.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMDRVLOADPREP(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM);
/** Pointer to a FNSSMDRVLOADPREP() function. */
typedef FNSSMDRVLOADPREP *PFNSSMDRVLOADPREP;
/**
* Execute state load operation.
*
* @returns VBox status code.
* @param pDrvIns Driver instance of the driver which registered the data unit.
* @param pSSM SSM operation handle.
* @param uVersion Data layout version.
* @param uPass The pass. This is always SSM_PASS_FINAL for units
* that doesn't specify a pfnSaveLive callback.
*/
typedef DECLCALLBACK(int) FNSSMDRVLOADEXEC(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass);
/** Pointer to a FNSSMDRVLOADEXEC() function. */
typedef FNSSMDRVLOADEXEC *PFNSSMDRVLOADEXEC;
/**
* Done state load operation.
*
* @returns VBox load code.
* @param pDrvIns Driver instance of the driver which registered the data unit.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMDRVLOADDONE(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM);
/** Pointer to a FNSSMDRVLOADDONE() function. */
typedef FNSSMDRVLOADDONE *PFNSSMDRVLOADDONE;
/** @} */
/** The internal callback variants.
* @{
*/
/**
* Prepare state live save operation.
*
* @returns VBox status code.
* @param pVM VM Handle.
* @param pSSM SSM operation handle.
* @thread Any.
*/
typedef DECLCALLBACK(int) FNSSMINTLIVEPREP(PVM pVM, PSSMHANDLE pSSM);
/** Pointer to a FNSSMINTLIVEPREP() function. */
typedef FNSSMINTLIVEPREP *PFNSSMINTLIVEPREP;
/**
* Execute state live save operation.
*
* This will be called repeatedly until all units vote that the live phase has
* been concluded.
*
* @returns VBox status code.
* @param pVM VM Handle.
* @param pSSM SSM operation handle.
* @param uPass The data pass.
* @thread Any.
*/
typedef DECLCALLBACK(int) FNSSMINTLIVEEXEC(PVM pVM, PSSMHANDLE pSSM, uint32_t uPass);
/** Pointer to a FNSSMINTLIVEEXEC() function. */
typedef FNSSMINTLIVEEXEC *PFNSSMINTLIVEEXEC;
/**
* Vote on whether the live part of the saving has been concluded.
*
* The vote stops once a unit has vetoed the decision, so don't rely upon this
* being called every time.
*
* @returns VBox status code.
* @retval VINF_SUCCESS if done.
* @retval VINF_SSM_VOTE_FOR_ANOTHER_PASS if another pass is needed.
* @retval VINF_SSM_VOTE_DONE_DONT_CALL_AGAIN if the live saving of the unit is
* done and there is not need calling it again before the final pass.
* @retval VERR_SSM_VOTE_FOR_GIVING_UP if its time to give up.
*
* @param pVM VM Handle.
* @param pSSM SSM operation handle.
* @param uPass The data pass.
* @thread Any.
*/
typedef DECLCALLBACK(int) FNSSMINTLIVEVOTE(PVM pVM, PSSMHANDLE pSSM, uint32_t uPass);
/** Pointer to a FNSSMINTLIVEVOTE() function. */
typedef FNSSMINTLIVEVOTE *PFNSSMINTLIVEVOTE;
/**
* Prepare state save operation.
*
* @returns VBox status code.
* @param pVM VM Handle.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMINTSAVEPREP(PVM pVM, PSSMHANDLE pSSM);
/** Pointer to a FNSSMINTSAVEPREP() function. */
typedef FNSSMINTSAVEPREP *PFNSSMINTSAVEPREP;
/**
* Execute state save operation.
*
* @returns VBox status code.
* @param pVM VM Handle.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMINTSAVEEXEC(PVM pVM, PSSMHANDLE pSSM);
/** Pointer to a FNSSMINTSAVEEXEC() function. */
typedef FNSSMINTSAVEEXEC *PFNSSMINTSAVEEXEC;
/**
* Done state save operation.
*
* @returns VBox status code.
* @param pVM VM Handle.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMINTSAVEDONE(PVM pVM, PSSMHANDLE pSSM);
/** Pointer to a FNSSMINTSAVEDONE() function. */
typedef FNSSMINTSAVEDONE *PFNSSMINTSAVEDONE;
/**
* Prepare state load operation.
*
* @returns VBox status code.
* @param pVM VM Handle.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMINTLOADPREP(PVM pVM, PSSMHANDLE pSSM);
/** Pointer to a FNSSMINTLOADPREP() function. */
typedef FNSSMINTLOADPREP *PFNSSMINTLOADPREP;
/**
* Execute state load operation.
*
* @returns VBox status code.
* @param pVM VM Handle.
* @param pSSM SSM operation handle.
* @param uVersion Data layout version.
* @param uPass The pass. This is always SSM_PASS_FINAL for units
* that doesn't specify a pfnSaveLive callback.
*/
typedef DECLCALLBACK(int) FNSSMINTLOADEXEC(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass);
/** Pointer to a FNSSMINTLOADEXEC() function. */
typedef FNSSMINTLOADEXEC *PFNSSMINTLOADEXEC;
/**
* Done state load operation.
*
* @returns VBox load code.
* @param pVM VM Handle.
* @param pSSM SSM operation handle.
*/
typedef DECLCALLBACK(int) FNSSMINTLOADDONE(PVM pVM, PSSMHANDLE pSSM);
/** Pointer to a FNSSMINTLOADDONE() function. */
typedef FNSSMINTLOADDONE *PFNSSMINTLOADDONE;
/** @} */
/** The External callback variants.
* @{
*/
/**
* Prepare state live save operation.
*
* @returns VBox status code.
* @param pSSM SSM operation handle.
* @param pvUser User argument.
* @thread Any.
*/
typedef DECLCALLBACK(int) FNSSMEXTLIVEPREP(PSSMHANDLE pSSM, void *pvUser);
/** Pointer to a FNSSMEXTLIVEPREP() function. */
typedef FNSSMEXTLIVEPREP *PFNSSMEXTLIVEPREP;
/**
* Execute state live save operation.
*
* This will be called repeatedly until all units vote that the live phase has
* been concluded.
*
* @returns VBox status code.
* @param pSSM SSM operation handle.
* @param pvUser User argument.
* @param uPass The data pass.
* @thread Any.
*/
typedef DECLCALLBACK(int) FNSSMEXTLIVEEXEC(PSSMHANDLE pSSM, void *pvUser, uint32_t uPass);
/** Pointer to a FNSSMEXTLIVEEXEC() function. */
typedef FNSSMEXTLIVEEXEC *PFNSSMEXTLIVEEXEC;
/**
* Vote on whether the live part of the saving has been concluded.
*
* The vote stops once a unit has vetoed the decision, so don't rely upon this
* being called every time.
*
* @returns VBox status code.
* @retval VINF_SUCCESS if done.
* @retval VINF_SSM_VOTE_FOR_ANOTHER_PASS if another pass is needed.
* @retval VINF_SSM_VOTE_DONE_DONT_CALL_AGAIN if the live saving of the unit is
* done and there is not need calling it again before the final pass.
* @retval VERR_SSM_VOTE_FOR_GIVING_UP if its time to give up.
*
* @param pSSM SSM operation handle.
* @param pvUser User argument.
* @param uPass The data pass.
* @thread Any.
*/
typedef DECLCALLBACK(int) FNSSMEXTLIVEVOTE(PSSMHANDLE pSSM, void *pvUser, uint32_t uPass);
/** Pointer to a FNSSMEXTLIVEVOTE() function. */
typedef FNSSMEXTLIVEVOTE *PFNSSMEXTLIVEVOTE;
/**
* Prepare state save operation.
*
* @returns VBox status code.
* @param pSSM SSM operation handle.
* @param pvUser User argument.
*/
typedef DECLCALLBACK(int) FNSSMEXTSAVEPREP(PSSMHANDLE pSSM, void *pvUser);
/** Pointer to a FNSSMEXTSAVEPREP() function. */
typedef FNSSMEXTSAVEPREP *PFNSSMEXTSAVEPREP;
/**
* Execute state save operation.
*
* @param pSSM SSM operation handle.
* @param pvUser User argument.
* @author The lack of return code is for legacy reasons.
*/
typedef DECLCALLBACK(void) FNSSMEXTSAVEEXEC(PSSMHANDLE pSSM, void *pvUser);
/** Pointer to a FNSSMEXTSAVEEXEC() function. */
typedef FNSSMEXTSAVEEXEC *PFNSSMEXTSAVEEXEC;
/**
* Done state save operation.
*
* @returns VBox status code.
* @param pSSM SSM operation handle.
* @param pvUser User argument.
*/
typedef DECLCALLBACK(int) FNSSMEXTSAVEDONE(PSSMHANDLE pSSM, void *pvUser);
/** Pointer to a FNSSMEXTSAVEDONE() function. */
typedef FNSSMEXTSAVEDONE *PFNSSMEXTSAVEDONE;
/**
* Prepare state load operation.
*
* @returns VBox status code.
* @param pSSM SSM operation handle.
* @param pvUser User argument.
*/
typedef DECLCALLBACK(int) FNSSMEXTLOADPREP(PSSMHANDLE pSSM, void *pvUser);
/** Pointer to a FNSSMEXTLOADPREP() function. */
typedef FNSSMEXTLOADPREP *PFNSSMEXTLOADPREP;
/**
* Execute state load operation.
*
* @returns VBox status code.
* @param pSSM SSM operation handle.
* @param pvUser User argument.
* @param uVersion Data layout version.
* @param uPass The pass. This is always SSM_PASS_FINAL for units
* that doesn't specify a pfnSaveLive callback.
* @remark The odd return value is for legacy reasons.
*/
typedef DECLCALLBACK(int) FNSSMEXTLOADEXEC(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass);
/** Pointer to a FNSSMEXTLOADEXEC() function. */
typedef FNSSMEXTLOADEXEC *PFNSSMEXTLOADEXEC;
/**
* Done state load operation.
*
* @returns VBox load code.
* @param pSSM SSM operation handle.
* @param pvUser User argument.
*/
typedef DECLCALLBACK(int) FNSSMEXTLOADDONE(PSSMHANDLE pSSM, void *pvUser);
/** Pointer to a FNSSMEXTLOADDONE() function. */
typedef FNSSMEXTLOADDONE *PFNSSMEXTLOADDONE;
/** @} */
/**
* SSM stream method table.
*
* This is used by external parties for teleporting over TCP or any other media.
* SSM also uses this internally for file access, thus the 2-3 file centric
* methods.
*/
typedef struct SSMSTRMOPS
{
/** Struct magic + version (SSMSTRMOPS_VERSION). */
uint32_t u32Version;
/**
* Write bytes to the stream.
*
* @returns VBox status code.
* @param pvUser The user argument.
* @param offStream The stream offset we're (supposed to be) at.
* @param pvBuf Pointer to the data.
* @param cbToWrite The number of bytes to write.
*/
DECLCALLBACKMEMBER(int, pfnWrite)(void *pvUser, uint64_t offStream, const void *pvBuf, size_t cbToWrite);
/**
* Read bytes to the stream.
*
* @returns VBox status code.
* @param pvUser The user argument.
* @param offStream The stream offset we're (supposed to be) at.
* @param pvBuf Where to return the bytes.
* @param cbToRead The number of bytes to read.
* @param pcbRead Where to return the number of bytes actually
* read. This may differ from cbToRead when the
* end of the stream is encountered.
*/
DECLCALLBACKMEMBER(int, pfnRead)(void *pvUser, uint64_t offStream, void *pvBuf, size_t cbToRead, size_t *pcbRead);
/**
* Seeks in the stream.
*
* @returns VBox status code.
* @retval VERR_NOT_SUPPORTED if the stream doesn't support this action.
*
* @param pvUser The user argument.
* @param offSeek The seek offset.
* @param uMethod RTFILE_SEEK_BEGIN, RTFILE_SEEK_END or
* RTFILE_SEEK_CURRENT.
* @param poffActual Where to store the new file position. Optional.
*/
DECLCALLBACKMEMBER(int, pfnSeek)(void *pvUser, int64_t offSeek, unsigned uMethod, uint64_t *poffActual);
/**
* Get the current stream position.
*
* @returns The correct stream position.
* @param pvUser The user argument.
*/
DECLCALLBACKMEMBER(uint64_t, pfnTell)(void *pvUser);
/**
* Get the size/length of the stream.
*
* @returns VBox status code.
* @retval VERR_NOT_SUPPORTED if the stream doesn't support this action.
*
* @param pvUser The user argument.
* @param pcb Where to return the size/length.
*/
DECLCALLBACKMEMBER(int, pfnSize)(void *pvUser, uint64_t *pcb);
/**
* Check if the stream is OK or not (cancelled).
*
* @returns VBox status code.
* @param pvUser The user argument.
*
* @remarks The method is expected to do a LogRel on failure.
*/
DECLCALLBACKMEMBER(int, pfnIsOk)(void *pvUser);
/**
* Close the stream.
*
* @returns VBox status code.
* @param pvUser The user argument.
* @param fCancelled True if the operation was cancelled.
*/
DECLCALLBACKMEMBER(int, pfnClose)(void *pvUser, bool fCancelled);
/** Struct magic + version (SSMSTRMOPS_VERSION). */
uint32_t u32EndVersion;
} SSMSTRMOPS;
/** Struct magic + version (SSMSTRMOPS_VERSION). */
#define SSMSTRMOPS_VERSION UINT32_C(0x55aa0001)
VMMR3_INT_DECL(void) SSMR3Term(PVM pVM);
VMMR3DECL(int) SSMR3RegisterDevice(PVM pVM, PPDMDEVINS pDevIns, const char *pszName, uint32_t uInstance, uint32_t uVersion, size_t cbGuess, const char *pszBefore,
PFNSSMDEVLIVEPREP pfnLivePrep, PFNSSMDEVLIVEEXEC pfnLiveExec, PFNSSMDEVLIVEVOTE pfnLiveVote,
PFNSSMDEVSAVEPREP pfnSavePrep, PFNSSMDEVSAVEEXEC pfnSaveExec, PFNSSMDEVSAVEDONE pfnSaveDone,
PFNSSMDEVLOADPREP pfnLoadPrep, PFNSSMDEVLOADEXEC pfnLoadExec, PFNSSMDEVLOADDONE pfnLoadDone);
VMMR3DECL(int) SSMR3RegisterDriver(PVM pVM, PPDMDRVINS pDrvIns, const char *pszName, uint32_t uInstance, uint32_t uVersion, size_t cbGuess,
PFNSSMDRVLIVEPREP pfnLivePrep, PFNSSMDRVLIVEEXEC pfnLiveExec, PFNSSMDRVLIVEVOTE pfnLiveVote,
PFNSSMDRVSAVEPREP pfnSavePrep, PFNSSMDRVSAVEEXEC pfnSaveExec, PFNSSMDRVSAVEDONE pfnSaveDone,
PFNSSMDRVLOADPREP pfnLoadPrep, PFNSSMDRVLOADEXEC pfnLoadExec, PFNSSMDRVLOADDONE pfnLoadDone);
VMMR3DECL(int) SSMR3RegisterInternal(PVM pVM, const char *pszName, uint32_t uInstance, uint32_t uVersion, size_t cbGuess,
PFNSSMINTLIVEPREP pfnLivePrep, PFNSSMINTLIVEEXEC pfnLiveExec, PFNSSMINTLIVEVOTE pfnLiveVote,
PFNSSMINTSAVEPREP pfnSavePrep, PFNSSMINTSAVEEXEC pfnSaveExec, PFNSSMINTSAVEDONE pfnSaveDone,
PFNSSMINTLOADPREP pfnLoadPrep, PFNSSMINTLOADEXEC pfnLoadExec, PFNSSMINTLOADDONE pfnLoadDone);
VMMR3DECL(int) SSMR3RegisterExternal(PVM pVM, const char *pszName, uint32_t uInstance, uint32_t uVersion, size_t cbGuess,
PFNSSMEXTLIVEPREP pfnLivePrep, PFNSSMEXTLIVEEXEC pfnLiveExec, PFNSSMEXTLIVEVOTE pfnLiveVote,
PFNSSMEXTSAVEPREP pfnSavePrep, PFNSSMEXTSAVEEXEC pfnSaveExec, PFNSSMEXTSAVEDONE pfnSaveDone,
PFNSSMEXTLOADPREP pfnLoadPrep, PFNSSMEXTLOADEXEC pfnLoadExec, PFNSSMEXTLOADDONE pfnLoadDone, void *pvUser);
VMMR3_INT_DECL(int) SSMR3DeregisterDevice(PVM pVM, PPDMDEVINS pDevIns, const char *pszName, uint32_t uInstance);
VMMR3_INT_DECL(int) SSMR3DeregisterDriver(PVM pVM, PPDMDRVINS pDrvIns, const char *pszName, uint32_t uInstance);
VMMR3DECL(int) SSMR3DeregisterInternal(PVM pVM, const char *pszName);
VMMR3DECL(int) SSMR3DeregisterExternal(PVM pVM, const char *pszName);
VMMR3DECL(int) SSMR3Save(PVM pVM, const char *pszFilename, PCSSMSTRMOPS pStreamOps, void *pvStreamOpsUser, SSMAFTER enmAfter, PFNVMPROGRESS pfnProgress, void *pvUser);
VMMR3_INT_DECL(int) SSMR3LiveSave(PVM pVM, uint32_t cMsMaxDowntime,
const char *pszFilename, PCSSMSTRMOPS pStreamOps, void *pvStreamOps,
SSMAFTER enmAfter, PFNVMPROGRESS pfnProgress, void *pvProgressUser,
PSSMHANDLE *ppSSM);
VMMR3_INT_DECL(int) SSMR3LiveDoStep1(PSSMHANDLE pSSM);
VMMR3_INT_DECL(int) SSMR3LiveDoStep2(PSSMHANDLE pSSM);
VMMR3_INT_DECL(int) SSMR3LiveDone(PSSMHANDLE pSSM);
VMMR3DECL(int) SSMR3Load(PVM pVM, const char *pszFilename, PCSSMSTRMOPS pStreamOps, void *pvStreamOpsUser,
SSMAFTER enmAfter, PFNVMPROGRESS pfnProgress, void *pvProgressUser);
VMMR3DECL(int) SSMR3ValidateFile(const char *pszFilename, bool fChecksumIt);
VMMR3DECL(int) SSMR3Open(const char *pszFilename, unsigned fFlags, PSSMHANDLE *ppSSM);
VMMR3DECL(int) SSMR3Close(PSSMHANDLE pSSM);
VMMR3DECL(int) SSMR3Seek(PSSMHANDLE pSSM, const char *pszUnit, uint32_t iInstance, uint32_t *piVersion);
VMMR3DECL(int) SSMR3HandleGetStatus(PSSMHANDLE pSSM);
VMMR3DECL(int) SSMR3HandleSetStatus(PSSMHANDLE pSSM, int iStatus);
VMMR3DECL(SSMAFTER) SSMR3HandleGetAfter(PSSMHANDLE pSSM);
VMMR3DECL(bool) SSMR3HandleIsLiveSave(PSSMHANDLE pSSM);
VMMR3DECL(uint32_t) SSMR3HandleMaxDowntime(PSSMHANDLE pSSM);
VMMR3DECL(uint32_t) SSMR3HandleHostBits(PSSMHANDLE pSSM);
VMMR3DECL(uint32_t) SSMR3HandleRevision(PSSMHANDLE pSSM);
VMMR3DECL(uint32_t) SSMR3HandleVersion(PSSMHANDLE pSSM);
VMMR3DECL(const char *) SSMR3HandleHostOSAndArch(PSSMHANDLE pSSM);
VMMR3_INT_DECL(int) SSMR3HandleSetGCPtrSize(PSSMHANDLE pSSM, unsigned cbGCPtr);
VMMR3DECL(void) SSMR3HandleReportLivePercent(PSSMHANDLE pSSM, unsigned uPercent);
VMMR3DECL(int) SSMR3Cancel(PVM pVM);
/** Save operations.
* @{
*/
VMMR3DECL(int) SSMR3PutStruct(PSSMHANDLE pSSM, const void *pvStruct, PCSSMFIELD paFields);
VMMR3DECL(int) SSMR3PutStructEx(PSSMHANDLE pSSM, const void *pvStruct, size_t cbStruct, uint32_t fFlags, PCSSMFIELD paFields, void *pvUser);
VMMR3DECL(int) SSMR3PutBool(PSSMHANDLE pSSM, bool fBool);
VMMR3DECL(int) SSMR3PutU8(PSSMHANDLE pSSM, uint8_t u8);
VMMR3DECL(int) SSMR3PutS8(PSSMHANDLE pSSM, int8_t i8);
VMMR3DECL(int) SSMR3PutU16(PSSMHANDLE pSSM, uint16_t u16);
VMMR3DECL(int) SSMR3PutS16(PSSMHANDLE pSSM, int16_t i16);
VMMR3DECL(int) SSMR3PutU32(PSSMHANDLE pSSM, uint32_t u32);
VMMR3DECL(int) SSMR3PutS32(PSSMHANDLE pSSM, int32_t i32);
VMMR3DECL(int) SSMR3PutU64(PSSMHANDLE pSSM, uint64_t u64);
VMMR3DECL(int) SSMR3PutS64(PSSMHANDLE pSSM, int64_t i64);
VMMR3DECL(int) SSMR3PutU128(PSSMHANDLE pSSM, uint128_t u128);
VMMR3DECL(int) SSMR3PutS128(PSSMHANDLE pSSM, int128_t i128);
VMMR3DECL(int) SSMR3PutUInt(PSSMHANDLE pSSM, RTUINT u);
VMMR3DECL(int) SSMR3PutSInt(PSSMHANDLE pSSM, RTINT i);
VMMR3DECL(int) SSMR3PutGCUInt(PSSMHANDLE pSSM, RTGCUINT u);
VMMR3DECL(int) SSMR3PutGCUIntReg(PSSMHANDLE pSSM, RTGCUINTREG u);
VMMR3DECL(int) SSMR3PutGCPhys32(PSSMHANDLE pSSM, RTGCPHYS32 GCPhys);
VMMR3DECL(int) SSMR3PutGCPhys64(PSSMHANDLE pSSM, RTGCPHYS64 GCPhys);
VMMR3DECL(int) SSMR3PutGCPhys(PSSMHANDLE pSSM, RTGCPHYS GCPhys);
VMMR3DECL(int) SSMR3PutGCPtr(PSSMHANDLE pSSM, RTGCPTR GCPtr);
VMMR3DECL(int) SSMR3PutGCUIntPtr(PSSMHANDLE pSSM, RTGCUINTPTR GCPtr);
VMMR3DECL(int) SSMR3PutRCPtr(PSSMHANDLE pSSM, RTRCPTR RCPtr);
VMMR3DECL(int) SSMR3PutIOPort(PSSMHANDLE pSSM, RTIOPORT IOPort);
VMMR3DECL(int) SSMR3PutSel(PSSMHANDLE pSSM, RTSEL Sel);
VMMR3DECL(int) SSMR3PutMem(PSSMHANDLE pSSM, const void *pv, size_t cb);
VMMR3DECL(int) SSMR3PutStrZ(PSSMHANDLE pSSM, const char *psz);
/** @} */
/** Load operations.
* @{
*/
VMMR3DECL(int) SSMR3GetStruct(PSSMHANDLE pSSM, void *pvStruct, PCSSMFIELD paFields);
VMMR3DECL(int) SSMR3GetStructEx(PSSMHANDLE pSSM, void *pvStruct, size_t cbStruct, uint32_t fFlags, PCSSMFIELD paFields, void *pvUser);
VMMR3DECL(int) SSMR3GetBool(PSSMHANDLE pSSM, bool *pfBool);
VMMR3DECL(int) SSMR3GetU8(PSSMHANDLE pSSM, uint8_t *pu8);
VMMR3DECL(int) SSMR3GetS8(PSSMHANDLE pSSM, int8_t *pi8);
VMMR3DECL(int) SSMR3GetU16(PSSMHANDLE pSSM, uint16_t *pu16);
VMMR3DECL(int) SSMR3GetS16(PSSMHANDLE pSSM, int16_t *pi16);
VMMR3DECL(int) SSMR3GetU32(PSSMHANDLE pSSM, uint32_t *pu32);
VMMR3DECL(int) SSMR3GetS32(PSSMHANDLE pSSM, int32_t *pi32);
VMMR3DECL(int) SSMR3GetU64(PSSMHANDLE pSSM, uint64_t *pu64);
VMMR3DECL(int) SSMR3GetS64(PSSMHANDLE pSSM, int64_t *pi64);
VMMR3DECL(int) SSMR3GetU128(PSSMHANDLE pSSM, uint128_t *pu128);
VMMR3DECL(int) SSMR3GetS128(PSSMHANDLE pSSM, int128_t *pi128);
VMMR3DECL(int) SSMR3GetUInt(PSSMHANDLE pSSM, PRTUINT pu);
VMMR3DECL(int) SSMR3GetSInt(PSSMHANDLE pSSM, PRTINT pi);
VMMR3DECL(int) SSMR3GetGCUInt(PSSMHANDLE pSSM, PRTGCUINT pu);
VMMR3DECL(int) SSMR3GetGCUIntReg(PSSMHANDLE pSSM, PRTGCUINTREG pu);
VMMR3DECL(int) SSMR3GetGCPhys32(PSSMHANDLE pSSM, PRTGCPHYS32 pGCPhys);
VMMR3DECL(int) SSMR3GetGCPhys64(PSSMHANDLE pSSM, PRTGCPHYS64 pGCPhys);
VMMR3DECL(int) SSMR3GetGCPhys(PSSMHANDLE pSSM, PRTGCPHYS pGCPhys);
VMMR3DECL(int) SSMR3GetGCPtr(PSSMHANDLE pSSM, PRTGCPTR pGCPtr);
VMMR3DECL(int) SSMR3GetGCUIntPtr(PSSMHANDLE pSSM, PRTGCUINTPTR pGCPtr);
VMMR3DECL(int) SSMR3GetRCPtr(PSSMHANDLE pSSM, PRTRCPTR pRCPtr);
VMMR3DECL(int) SSMR3GetIOPort(PSSMHANDLE pSSM, PRTIOPORT pIOPort);
VMMR3DECL(int) SSMR3GetSel(PSSMHANDLE pSSM, PRTSEL pSel);
VMMR3DECL(int) SSMR3GetMem(PSSMHANDLE pSSM, void *pv, size_t cb);
VMMR3DECL(int) SSMR3GetStrZ(PSSMHANDLE pSSM, char *psz, size_t cbMax);
VMMR3DECL(int) SSMR3GetStrZEx(PSSMHANDLE pSSM, char *psz, size_t cbMax, size_t *pcbStr);
VMMR3DECL(int) SSMR3GetTimer(PSSMHANDLE pSSM, PTMTIMER pTimer);
VMMR3DECL(int) SSMR3Skip(PSSMHANDLE pSSM, size_t cb);
VMMR3DECL(int) SSMR3SkipToEndOfUnit(PSSMHANDLE pSSM);
VMMR3DECL(int) SSMR3SetLoadError(PSSMHANDLE pSSM, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...);
VMMR3DECL(int) SSMR3SetLoadErrorV(PSSMHANDLE pSSM, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va);
VMMR3DECL(int) SSMR3SetCfgError(PSSMHANDLE pSSM, RT_SRC_POS_DECL, const char *pszFormat, ...);
/** @} */
/** @} */
#endif /* IN_RING3 */
/** @} */
RT_C_DECLS_END
#endif