1 files changed, 81 insertions, 0 deletions
diff --git a/src/pmdk/src/windows/include/win_mmap.h b/src/pmdk/src/windows/include/win_mmap.h
new file mode 100644
index 000000000..4e2250f8c
--- /dev/null
+++ b/src/pmdk/src/windows/include/win_mmap.h
@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* Copyright 2015-2020, Intel Corporation */
+/*
+ * Copyright (c) 2016, Microsoft Corporation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *
+ *     * Neither the name of the copyright holder nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * win_mmap.h -- (internal) tracks the regions mapped by mmap
+ */
+
+#ifndef WIN_MMAP_H
+#define WIN_MMAP_H 1
+
+#include "queue.h"
+
+#define roundup(x, y)	((((x) + ((y) - 1)) / (y)) * (y))
+#define rounddown(x, y)	(((x) / (y)) * (y))
+
+void win_mmap_init(void);
+void win_mmap_fini(void);
+
+/* allocation/mmap granularity */
+extern unsigned long long Mmap_align;
+
+typedef enum FILE_MAPPING_TRACKER_FLAGS {
+	FILE_MAPPING_TRACKER_FLAG_DIRECT_MAPPED = 0x0001,
+
+	/*
+	 * This should hold the value of all flags ORed for debug purpose.
+	 */
+	FILE_MAPPING_TRACKER_FLAGS_MASK =
+		FILE_MAPPING_TRACKER_FLAG_DIRECT_MAPPED
+} FILE_MAPPING_TRACKER_FLAGS;
+
+/*
+ * this structure tracks the file mappings outstanding per file handle
+ */
+typedef struct FILE_MAPPING_TRACKER {
+	PMDK_SORTEDQ_ENTRY(FILE_MAPPING_TRACKER) ListEntry;
+	HANDLE FileHandle;
+	HANDLE FileMappingHandle;
+	void *BaseAddress;
+	void *EndAddress;
+	DWORD Access;
+	os_off_t Offset;
+	size_t FileLen;
+	FILE_MAPPING_TRACKER_FLAGS Flags;
+} FILE_MAPPING_TRACKER, *PFILE_MAPPING_TRACKER;
+
+extern SRWLOCK FileMappingQLock;
+extern PMDK_SORTEDQ_HEAD(FMLHead, FILE_MAPPING_TRACKER) FileMappingQHead;
+
+#endif /* WIN_MMAP_H */