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[util-vserver.git] / lib / planetlab.h

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+/* Copyright 2005 Princeton University
+
+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 PRINCETON
+UNIVERSITY 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. 
+
+*/
+
+#ifndef _LIB_PLANETLAB_H_
+#define _LIB_PLANETLAB_H_
+
+/*
+ * context create
+ */
+typedef struct {
+  uint32_t  cpu_share;
+  uint32_t  cpu_sched_flags;
+  uint64_t  mem_limit;
+  uint64_t  task_limit;
+} rspec_t;
+
+#define VC_VXF_SCHED_SHARE  0x00000800
+#define VC_VXF_SCHED_FLAGS  (VC_VXF_SCHED_HARD | VC_VXF_SCHED_SHARE)
+
+int
+pl_chcontext(xid_t ctx, uint32_t flags, uint64_t bcaps, const rspec_t *rspec);
+
+int
+pl_setsched(xid_t ctx, uint32_t cpu_share, uint32_t cpu_sched_flags);
+
+#endif