1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/staging/hv/include/osd.h b/drivers/staging/hv/include/osd.h
new file mode 100644
index 000000000000..949c273e576d
--- /dev/null
+++ b/drivers/staging/hv/include/osd.h
@@ -0,0 +1,78 @@
+/*
+ *
+ * Copyright (c) 2009, Microsoft Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * Authors:
+ *   Haiyang Zhang <haiyangz@microsoft.com>
+ *   Hank Janssen  <hjanssen@microsoft.com>
+ *
+ */
+
+
+#ifndef _OSD_H_
+#define _OSD_H_
+
+
+/* Defines */
+
+
+
+#define ALIGN_UP(value, align)			( ((value) & (align-1))? ( ((value) + (align-1)) & ~(align-1) ): (value) )
+#define ALIGN_DOWN(value, align)		( (value) & ~(align-1) )
+#define NUM_PAGES_SPANNED(addr, len)	( (ALIGN_UP(addr+len, PAGE_SIZE) - ALIGN_DOWN(addr, PAGE_SIZE)) >> PAGE_SHIFT )
+
+#define LOWORD(dw)		((unsigned short) (dw))
+#define HIWORD(dw)		((unsigned short) (((unsigned int) (dw) >> 16) & 0xFFFF))
+
+typedef struct _DLIST_ENTRY {
+   struct _DLIST_ENTRY *Flink;
+   struct _DLIST_ENTRY *Blink;
+} DLIST_ENTRY;
+
+
+/* Other types */
+
+/* typedef unsigned char		GUID[16]; */
+
+typedef struct {
+	unsigned char	Data[16];
+} GUID;
+
+struct osd_waitevent {
+	int	condition;
+	wait_queue_head_t event;
+};
+
+/* Osd routines */
+
+extern void *osd_VirtualAllocExec(unsigned int size);
+
+extern void *osd_PageAlloc(unsigned int count);
+extern void osd_PageFree(void* page, unsigned int count);
+
+extern struct osd_waitevent *osd_WaitEventCreate(void);
+extern void osd_WaitEventSet(struct osd_waitevent *waitEvent);
+extern int osd_WaitEventWait(struct osd_waitevent *waitEvent);
+
+/* If >0, waitEvent got signaled. If ==0, timeout. If < 0, error */
+extern int osd_WaitEventWaitEx(struct osd_waitevent *waitEvent, u32 TimeoutInMs);
+
+
+int osd_schedule_callback(struct workqueue_struct *wq,
+			  void (*func)(void *),
+			  void *data);
+
+#endif /* _OSD_H_ */