From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 11 Apr 2024 10:17:27 +0200
Subject: Adding upstream version 7.0.14-dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/VBox/Runtime/r0drv/alloc-r0drv.h | 111 +++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 src/VBox/Runtime/r0drv/alloc-r0drv.h

(limited to 'src/VBox/Runtime/r0drv/alloc-r0drv.h')

diff --git a/src/VBox/Runtime/r0drv/alloc-r0drv.h b/src/VBox/Runtime/r0drv/alloc-r0drv.h
new file mode 100644
index 00000000..4383882a
--- /dev/null
+++ b/src/VBox/Runtime/r0drv/alloc-r0drv.h
@@ -0,0 +1,111 @@
+/* $Id: alloc-r0drv.h $ */
+/** @file
+ * IPRT - Memory Allocation, Ring-0 Driver.
+ */
+
+/*
+ * 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>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox 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.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+#ifndef IPRT_INCLUDED_SRC_r0drv_alloc_r0drv_h
+#define IPRT_INCLUDED_SRC_r0drv_alloc_r0drv_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <iprt/cdefs.h>
+#include <iprt/types.h>
+#include <iprt/mem.h>
+#include "internal/magics.h"
+
+RT_C_DECLS_BEGIN
+
+/**
+ * Header which heading all memory blocks.
+ */
+typedef struct RTMEMHDR
+{
+    /** Magic (RTMEMHDR_MAGIC). */
+    uint32_t    u32Magic;
+    /** Block flags (RTMEMHDR_FLAG_*). */
+    uint32_t    fFlags;
+    /** The actual size of the block, header not included. */
+    uint32_t    cb;
+    /** The requested allocation size. */
+    uint32_t    cbReq;
+} RTMEMHDR, *PRTMEMHDR;
+
+
+/** @name RTMEMHDR::fFlags.
+ * @{ */
+/** Clear the allocated memory. */
+#define RTMEMHDR_FLAG_ZEROED        RT_BIT(0)
+/** Use allocation method suitable for any context. */
+#define RTMEMHDR_FLAG_ANY_CTX_ALLOC RT_BIT(1)
+/** Use allocation method which allow for freeing in any context. */
+#define RTMEMHDR_FLAG_ANY_CTX_FREE  RT_BIT(2)
+/** Both alloc and free in any context (or we're just darn lazy). */
+#define RTMEMHDR_FLAG_ANY_CTX       (RTMEMHDR_FLAG_ANY_CTX_ALLOC | RTMEMHDR_FLAG_ANY_CTX_FREE)
+/** Indicate that it was allocated by rtR0MemAllocExTag. */
+#define RTMEMHDR_FLAG_ALLOC_EX      RT_BIT(3)
+#ifdef RT_OS_LINUX
+/** Linux: Allocated by kmalloc() instead of vmalloc(). */
+# define RTMEMHDR_FLAG_KMALLOC      RT_BIT(31)
+#elif defined(RT_OS_WINDOWS)
+/** Windows: Untagged allocation by ExAllocatePool, freed using ExFreePool. */
+# define RTMEMHDR_FLAG_UNTAGGED     RT_BIT(31)
+#endif
+/** @} */
+
+
+/**
+ * Heap allocation back end for ring-0.
+ *
+ * @returns IPRT status code.  VERR_NO_MEMORY suffices for RTMEMHDR_FLAG_EXEC,
+ *          the caller will change it to VERR_NO_EXEC_MEMORY when appropriate.
+ *
+ * @param   cb          The amount of memory requested by the user.  This does
+ *                      not include the header.
+ * @param   fFlags      The allocation flags and more.  These should be
+ *                      assigned to RTMEMHDR::fFlags together with any flags
+ *                      the backend might be using.
+ * @param   ppHdr       Where to return the memory header on success.
+ */
+DECLHIDDEN(int)     rtR0MemAllocEx(size_t cb, uint32_t fFlags, PRTMEMHDR *ppHdr);
+
+/**
+ * Free memory allocated by rtR0MemAllocEx.
+ * @param   pHdr        The memory block to free.  (Never NULL.)
+ */
+DECLHIDDEN(void)    rtR0MemFree(PRTMEMHDR pHdr);
+
+RT_C_DECLS_END
+#endif /* !IPRT_INCLUDED_SRC_r0drv_alloc_r0drv_h */
+
-- 
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