1 files changed, 60 insertions, 0 deletions
diff --git a/libhsail-rt/include/internal/phsa-queue-interface.h b/libhsail-rt/include/internal/phsa-queue-interface.h
new file mode 100644
index 00000000000..646cee4eb55
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+++ b/libhsail-rt/include/internal/phsa-queue-interface.h
@@ -0,0 +1,60 @@
+/* phsa_queue_interface.h -- Definition for a minimalistic generic in-memory
+   representation of a user mode queue to be used with the phsa/gccbrig
+   implementation.
+
+   Copyright (C) 2015-2016 Free Software Foundation, Inc.
+   Contributed by Pekka Jaaskelainen <pekka.jaaskelainen@parmance.com>
+   for General Processor Tech.
+
+   Permission is hereby granted, free of charge, to any person obtaining a
+   copy of this software and associated documentation files
+   (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 PHSA_QUEUE_INTERFACE_H
+#define PHSA_QUEUE_INTERFACE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include "hsa.h"
+
+typedef __attribute__ ((aligned (64))) struct phsa_queue_s
+{
+  /* An HSA Architectured Queue object.  Must be in the beginning
+     of the struct to enable direct pointer casting between hsa_queue_
+     and phsa_queue_t.  */
+  hsa_queue_t hsa_queue;
+
+  volatile uint64_t write_index;
+  volatile uint64_t read_index;
+
+  /* True if global mem addresses are 64b.  */
+  uint64_t is_ptr64 : 1;
+
+} phsa_queue_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif