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-rw-r--r--src/VBox/Additions/x11/vboxvideo/HGSMIMemAlloc.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/src/VBox/Additions/x11/vboxvideo/HGSMIMemAlloc.h b/src/VBox/Additions/x11/vboxvideo/HGSMIMemAlloc.h
new file mode 100644
index 00000000..7c8212a0
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+++ b/src/VBox/Additions/x11/vboxvideo/HGSMIMemAlloc.h
@@ -0,0 +1,63 @@
+/* $Id: HGSMIMemAlloc.h $ */
+/*
+ * Copyright (C) 2017-2023 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.
+ */
+
+
+/* In builds inside of the VirtualBox source tree we override the default
+ * HGSMIMemAlloc.h using -include, therefore this define must match the one
+ * there. */
+
+#ifndef VBOX_INCLUDED_Graphics_HGSMIMemAlloc_h
+#define VBOX_INCLUDED_Graphics_HGSMIMemAlloc_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include "HGSMIDefs.h"
+#include "VBoxVideoIPRT.h"
+
+#define HGSMI_MA_DESC_ORDER_BASE UINT32_C(5)
+
+#define HGSMI_MA_BLOCK_SIZE_MIN (UINT32_C(1) << (HGSMI_MA_DESC_ORDER_BASE + 0))
+
+typedef struct HGSMIMADATA
+{
+ HGSMIAREA area;
+ bool fAllocated;
+} HGSMIMADATA;
+
+RT_C_DECLS_BEGIN
+
+int HGSMIMAInit(HGSMIMADATA *pMA, const HGSMIAREA *pArea,
+ HGSMIOFFSET *paDescriptors, uint32_t cDescriptors,
+ HGSMISIZE cbMaxBlock, const HGSMIENV *pEnv);
+void HGSMIMAUninit(HGSMIMADATA *pMA);
+
+void RT_UNTRUSTED_VOLATILE_GUEST *HGSMIMAAlloc(HGSMIMADATA *pMA, HGSMISIZE cb);
+void HGSMIMAFree(HGSMIMADATA *pMA, void RT_UNTRUSTED_VOLATILE_GUEST *pv);
+
+RT_C_DECLS_END
+
+#endif /* !VBOX_INCLUDED_Graphics_HGSMIMemAlloc_h */