1 files changed, 107 insertions, 0 deletions
diff --git a/linux-2.6.9-xen-sparse/include/asm-xen/multicall.h b/linux-2.6.9-xen-sparse/include/asm-xen/multicall.h
new file mode 100644
index 0000000000..ca169b57b9
--- /dev/null
+++ b/linux-2.6.9-xen-sparse/include/asm-xen/multicall.h
@@ -0,0 +1,107 @@
+/******************************************************************************
+ * multicall.h
+ * 
+ * Copyright (c) 2003-2004, K A Fraser
+ * 
+ * This file may be distributed separately from the Linux kernel, or
+ * incorporated into other software packages, subject to the following license:
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this source file (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.
+ */
+
+#ifndef __MULTICALL_H__
+#define __MULTICALL_H__
+
+#include <asm-xen/hypervisor.h>
+
+extern multicall_entry_t multicall_list[];
+extern int nr_multicall_ents;
+
+static inline void queue_multicall0(unsigned long op)
+{
+    int i = nr_multicall_ents;
+    multicall_list[i].op      = op;
+    nr_multicall_ents = i+1;
+}
+
+static inline void queue_multicall1(unsigned long op, unsigned long arg1)
+{
+    int i = nr_multicall_ents;
+    multicall_list[i].op      = op;
+    multicall_list[i].args[0] = arg1;
+    nr_multicall_ents = i+1;
+}
+
+static inline void queue_multicall2(
+    unsigned long op, unsigned long arg1, unsigned long arg2)
+{
+    int i = nr_multicall_ents;
+    multicall_list[i].op      = op;
+    multicall_list[i].args[0] = arg1;
+    multicall_list[i].args[1] = arg2;
+    nr_multicall_ents = i+1;
+}
+
+static inline void queue_multicall3(
+    unsigned long op, unsigned long arg1, unsigned long arg2,
+    unsigned long arg3)
+{
+    int i = nr_multicall_ents;
+    multicall_list[i].op      = op;
+    multicall_list[i].args[0] = arg1;
+    multicall_list[i].args[1] = arg2;
+    multicall_list[i].args[2] = arg3;
+    nr_multicall_ents = i+1;
+}
+
+static inline void queue_multicall4(
+    unsigned long op, unsigned long arg1, unsigned long arg2,
+    unsigned long arg3, unsigned long arg4)
+{
+    int i = nr_multicall_ents;
+    multicall_list[i].op      = op;
+    multicall_list[i].args[0] = arg1;
+    multicall_list[i].args[1] = arg2;
+    multicall_list[i].args[2] = arg3;
+    multicall_list[i].args[3] = arg4;
+    nr_multicall_ents = i+1;
+}
+
+static inline void queue_multicall5(
+    unsigned long op, unsigned long arg1, unsigned long arg2,
+    unsigned long arg3, unsigned long arg4, unsigned long arg5)
+{
+    int i = nr_multicall_ents;
+    multicall_list[i].op      = op;
+    multicall_list[i].args[0] = arg1;
+    multicall_list[i].args[1] = arg2;
+    multicall_list[i].args[2] = arg3;
+    multicall_list[i].args[3] = arg4;
+    multicall_list[i].args[4] = arg5;
+    nr_multicall_ents = i+1;
+}
+
+static inline void execute_multicall_list(void)
+{
+    if ( unlikely(nr_multicall_ents == 0) ) return;
+    (void)HYPERVISOR_multicall(multicall_list, nr_multicall_ents);
+    nr_multicall_ents = 0;
+}
+
+#endif /* __MULTICALL_H__ */