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/* $Id: DevVGASavedState.h $ */
/** @file
* DevVGA - Saved state versions.
*
* @remarks HGSMI needs this but doesn't want to deal with DevVGA.h, thus this
* dedicated header.
*/
/*
* Copyright (C) 2006-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#ifndef VBOX_INCLUDED_SRC_Graphics_DevVGASavedState_h
#define VBOX_INCLUDED_SRC_Graphics_DevVGASavedState_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
/** Creates an eyecatching marker in the VGA saved state ("<uSub>Marker\n"). */
#define VGA_SAVED_STATE_MAKE_MARKER(uSub) (UINT64_C(0x0a72656b72614d30) + (uint64_t)(uSub))
/** Puts a marker. Status code is not checked. */
#define VGA_SAVED_STATE_PUT_MARKER(pSSM, uSub) \
do { pHlp->pfnSSMPutU64(pSSM, VGA_SAVED_STATE_MAKE_MARKER(uSub)); } while (0)
/** Retrieves a VGA saved state marker and checks that it matches, if it
* doesn't assert/LogRel and return. */
#define VGA_SAVED_STATE_GET_MARKER_RETURN_ON_MISMATCH(pSSM, uVersion, uSub) \
do { \
if (uVersion >= VGA_SAVEDSTATE_VERSION_MARKERS) \
{ \
uint64_t uMarker; \
int rcMarker = pHlp->pfnSSMGetU64(pSSM, &uMarker); \
AssertLogRelRCReturn(rcMarker, rcMarker); \
AssertLogRelMsgReturn(uMarker == VGA_SAVED_STATE_MAKE_MARKER(uSub), \
("Bad VGA marker: expected %llx, got %llx\n", VGA_SAVED_STATE_MAKE_MARKER(uSub), uMarker), \
VERR_SSM_DATA_UNIT_FORMAT_CHANGED); \
} \
} while (0)
#define VGA_SAVEDSTATE_VERSION 27
#define VGA_SAVEDSTATE_VERSION_VMSVGA_REG_CAP2 27 /* SVGA_REG_CAP2. */
#define VGA_SAVEDSTATE_VERSION_VMSVGA_DX_SFLAGS 26 /* SVGA3dSurfaceAllFlags. */
#define VGA_SAVEDSTATE_VERSION_VMSVGA_DX_CMDBUF 25 /* Command buffers capability is not tied to VGPU10 setting. */
#define VGA_SAVEDSTATE_VERSION_VMSVGA_DX 24 /* VGPU10. */
#define VGA_SAVEDSTATE_VERSION_VMSVGA_MIPLEVELS 23 /* Surface struct with number of miplevels. */
#define VGA_SAVEDSTATE_VERSION_VMSVGA_CURSOR 22 /* Legacy cursor registers. */
#define VGA_SAVEDSTATE_VERSION_VMSVGA_SCREENS 21 /* Screen objects. */
#define VGA_SAVEDSTATE_VERSION_VMSVGA 20 /* Multiple updates and fixes for VMSVGA saved state. */
#define VGA_SAVEDSTATE_VERSION_VMSVGA_TEX_STAGES 19
#define VGA_SAVEDSTATE_VERSION_VMSVGA_GMR_COUNT 18
#define VGA_SAVEDSTATE_VERSION_VMSVGA_VGA_FB_FIX 17
#define VGA_SAVEDSTATE_VERSION_MARKERS 16
#define VGA_SAVEDSTATE_VERSION_MODE_HINTS 15
#define VGA_SAVEDSTATE_VERSION_FIXED_PENDVHWA 14
#define VGA_SAVEDSTATE_VERSION_3D 13
#define VGA_SAVEDSTATE_VERSION_HGSMIMA 12 /* HGSMI memory allocator. */
#define VGA_SAVEDSTATE_VERSION_VMSVGA_2D 10 /* <- internal build with 2d state only */
#define VGA_SAVEDSTATE_VERSION_WITH_PENDVHWA 10
#define VGA_SAVEDSTATE_VERSION_INV_GCMDFIFO 8 /* <- states upto and including this version may contain invalid completed Guest Commands fifo entries */
#define VGA_SAVEDSTATE_VERSION_INV_VHEIGHT 8 /* <- states upto and including this version may contain invalid vbe_regs[VBE_DISPI_INDEX_VIRT_HEIGHT] value */
#define VGA_SAVEDSTATE_VERSION_WDDM 7
#define VGA_SAVEDSTATE_VERSION_PRE_WDDM 6
#define VGA_SAVEDSTATE_VERSION_HOST_HEAP 5
#define VGA_SAVEDSTATE_VERSION_WITH_CONFIG 4
#define VGA_SAVEDSTATE_VERSION_HGSMI 3
#define VGA_SAVEDSTATE_VERSION_PRE_HGSMI 2
#define VGA_SAVEDSTATE_VERSION_ANCIENT 1
#endif /* !VBOX_INCLUDED_SRC_Graphics_DevVGASavedState_h */
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