Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / unisys / visorchannel / visorchannel.h

diff --git a/kernel/drivers/staging/unisys/visorchannel/visorchannel.h b/kernel/drivers/staging/unisys/visorchannel/visorchannel.h
new file mode 100644 (file)
index 0000000..63f1b97
--- /dev/null
+++ b/kernel/drivers/staging/unisys/visorchannel/visorchannel.h
@@ -0,0 +1,76 @@
+/* visorchannel.h
+ *
+ * Copyright (C) 2010 - 2013 UNISYS CORPORATION
+ * All rights reserved.
+ *
+ * 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; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * 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, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ */
+
+#ifndef __VISORCHANNEL_H__
+#define __VISORCHANNEL_H__
+
+#include <linux/uuid.h>
+
+#include "memregion.h"
+#include "channel.h"
+#ifndef HOSTADDRESS
+#define HOSTADDRESS u64
+#endif
+#ifndef BOOL
+#define BOOL int
+#endif
+
+/* Note that for visorchannel_create() and visorchannel_create_overlapped(),
+ * <channel_bytes> and <guid> arguments may be 0 if we are a channel CLIENT.
+ * In this case, the values can simply be read from the channel header.
+ */
+struct visorchannel *visorchannel_create(HOSTADDRESS physaddr,
+                                        ulong channel_bytes, uuid_le guid);
+struct visorchannel *visorchannel_create_overlapped(ulong channel_bytes,
+                                                   struct visorchannel *parent,
+                                                   ulong off, uuid_le guid);
+struct visorchannel *visorchannel_create_with_lock(HOSTADDRESS physaddr,
+                                                  ulong channel_bytes,
+                                                  uuid_le guid);
+struct visorchannel *visorchannel_create_overlapped_with_lock(
+                               ulong channel_bytes,
+                               struct visorchannel *parent,
+                               ulong off, uuid_le guid);
+void visorchannel_destroy(struct visorchannel *channel);
+int visorchannel_read(struct visorchannel *channel, ulong offset,
+                     void *local, ulong nbytes);
+int visorchannel_write(struct visorchannel *channel, ulong offset,
+                      void *local, ulong nbytes);
+int visorchannel_clear(struct visorchannel *channel, ulong offset,
+                      u8 ch, ulong nbytes);
+BOOL visorchannel_signalremove(struct visorchannel *channel, u32 queue,
+                              void *msg);
+BOOL visorchannel_signalinsert(struct visorchannel *channel, u32 queue,
+                              void *msg);
+int visorchannel_signalqueue_slots_avail(struct visorchannel *channel,
+                                        u32 queue);
+int visorchannel_signalqueue_max_slots(struct visorchannel *channel, u32 queue);
+HOSTADDRESS visorchannel_get_physaddr(struct visorchannel *channel);
+ulong visorchannel_get_nbytes(struct visorchannel *channel);
+char *visorchannel_id(struct visorchannel *channel, char *s);
+char *visorchannel_zoneid(struct visorchannel *channel, char *s);
+u64 visorchannel_get_clientpartition(struct visorchannel *channel);
+uuid_le visorchannel_get_uuid(struct visorchannel *channel);
+struct memregion *visorchannel_get_memregion(struct visorchannel *channel);
+char *visorchannel_uuid_id(uuid_le *guid, char *s);
+void visorchannel_debug(struct visorchannel *channel, int num_queues,
+                       struct seq_file *seq, u32 off);
+void visorchannel_dump_section(struct visorchannel *chan, char *s,
+                              int off, int len, struct seq_file *seq);
+void __iomem *visorchannel_get_header(struct visorchannel *channel);
+
+#endif