Import DPAA driver snapshot

Imported from Freescale Linux repository

git://git.freescale.com/ppc/upstream/linux.git

commit 2774c204cd8bfc56a200ff4dcdfc9cdf5b6fc161.

Linux compatibility layer is partly from FreeBSD.

1 files changed, 64 insertions, 0 deletions

diff --git a/rtemsbsd/powerpc/include/linux/percpu.h b/rtemsbsd/powerpc/include/linux/percpu.h
new file mode 100644
index 00000000..73b15a1e
--- /dev/null
+++ b/rtemsbsd/powerpc/include/linux/percpu.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2015 embedded brains GmbH
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 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 THE COPYRIGHT
+ * OWNER 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 _LINUX_PERCPU_H
+#define	_LINUX_PERCPU_H
+
+#include <linux/threads.h>
+
+#include <rtems/score/threaddispatch.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define	DEFINE_PER_CPU(_type, _designator) \
+    _type _designator[NR_CPUS]
+
+#define per_cpu(_designator, _cpu) \
+    (_designator[_cpu])
+
+#define this_cpu_ptr(_ptr_designator) \
+    (&(*_ptr_designator)[_CPU_SMP_Get_current_processor()])
+
+#define get_cpu_var(_designator) \
+    (*({ Per_CPU_Control *_cpu_self = _Thread_Dispatch_disable(); \
+    &_designator[_Per_CPU_Get_index(_cpu_self)]; }))
+
+#define put_cpu_var(_designator) \
+    _Thread_Dispatch_enable(_Per_CPU_Get())
+
+#define	per_cpu_ptr(_ptr, _index) \
+    ((_ptr) + (_index))
+
+#define	raw_cpu_ptr(_ptr) \
+    per_cpu_ptr(_ptr, _CPU_SMP_Get_current_processor())
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* _LINUX_PERCPU_H */