| 1 | /* $Id: DevVGASavedState.h 56969 2015-07-17 13:38:14Z vboxsync $ */
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| 2 | /** @file
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| 3 | * DevVGA - Saved state versions.
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| 4 | *
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| 5 | * @remarks HGSMI needs this but doesn't want to deal with DevVGA.h, thus this
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| 6 | * dedicated header.
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| 7 | */
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| 8 |
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| 9 | /*
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| 10 | * Copyright (C) 2006-2015 Oracle Corporation
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| 11 | *
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| 12 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 13 | * available from http://www.virtualbox.org. This file is free software;
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| 14 | * you can redistribute it and/or modify it under the terms of the GNU
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| 15 | * General Public License (GPL) as published by the Free Software
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| 16 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 17 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 18 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 19 | */
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| 20 |
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| 21 |
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| 22 | #ifndef ___Graphics_DevVGASavedState_h
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| 23 | #define ___Graphics_DevVGASavedState_h
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| 24 |
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| 25 | /** Creates an eyecatching marker in the VGA saved state ("<uSub>Marker\n"). */
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| 26 | #define VGA_SAVED_STATE_MAKE_MARKER(uSub) (UINT64_C(0x0a72656b72614d30) + (uint64_t)(uSub))
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| 27 |
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| 28 | /** Puts a marker. Status code is not checked. */
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| 29 | #define VGA_SAVED_STATE_PUT_MARKER(pSSM, uSub) \
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| 30 | do { SSMR3PutU64(pSSM, VGA_SAVED_STATE_MAKE_MARKER(uSub)); } while (0)
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| 31 |
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| 32 | /** Retrieves a VGA saved state marker and checks that it matches, if it
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| 33 | * doesn't assert/LogRel and return. */
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| 34 | #define VGA_SAVED_STATE_GET_MARKER_RETURN_ON_MISMATCH(pSSM, uVersion, uSub) \
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| 35 | do { \
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| 36 | if (uVersion >= VGA_SAVEDSTATE_VERSION_MARKERS) \
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| 37 | { \
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| 38 | uint64_t uMarker; \
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| 39 | int rcMarker = SSMR3GetU64(pSSM, &uMarker); \
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| 40 | AssertLogRelRCReturn(rc, rc); \
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| 41 | AssertLogRelMsgReturn(uMarker == VGA_SAVED_STATE_MAKE_MARKER(uSub), \
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| 42 | ("Bad VGA marker: expected %llx, got %llx\n", VGA_SAVED_STATE_MAKE_MARKER(uSub), uMarker), \
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| 43 | VERR_SSM_DATA_UNIT_FORMAT_CHANGED); \
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| 44 | } \
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| 45 | } while (0)
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| 46 |
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| 47 | #define VGA_SAVEDSTATE_VERSION 16
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| 48 | #define VGA_SAVEDSTATE_VERSION_MARKERS 16
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| 49 | #define VGA_SAVEDSTATE_VERSION_MODE_HINTS 15
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| 50 | #define VGA_SAVEDSTATE_VERSION_FIXED_PENDVHWA 14
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| 51 | #define VGA_SAVEDSTATE_VERSION_3D 13
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| 52 | #define VGA_SAVEDSTATE_VERSION_HGSMIMA 12 /* HGSMI memory allocator. */
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| 53 | #define VGA_SAVEDSTATE_VERSION_VMSVGA_2D 10 /* <- internal build with 2d state only */
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| 54 | #define VGA_SAVEDSTATE_VERSION_WITH_PENDVHWA 10
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| 55 | #define VGA_SAVEDSTATE_VERSION_INV_GCMDFIFO 8 /* <- states upto and including this version may contain invalid completed Guest Commands fifo entries */
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| 56 | #define VGA_SAVEDSTATE_VERSION_INV_VHEIGHT 8 /* <- states upto and including this version may contain invalid vbe_regs[VBE_DISPI_INDEX_VIRT_HEIGHT] value */
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| 57 | #define VGA_SAVEDSTATE_VERSION_WDDM 7
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| 58 | #define VGA_SAVEDSTATE_VERSION_PRE_WDDM 6
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| 59 | #define VGA_SAVEDSTATE_VERSION_HOST_HEAP 5
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| 60 | #define VGA_SAVEDSTATE_VERSION_WITH_CONFIG 4
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| 61 | #define VGA_SAVEDSTATE_VERSION_HGSMI 3
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| 62 | #define VGA_SAVEDSTATE_VERSION_PRE_HGSMI 2
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| 63 | #define VGA_SAVEDSTATE_VERSION_ANCIENT 1
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| 64 |
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| 65 | #endif
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| 66 |
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