dma: Define default dma methods for using by client/package instances

They call parent node (which is a device) methods.

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>

1 files changed, 28 insertions, 0 deletions

diff --git a/slof/fs/dma-instance-function.fs b/slof/fs/dma-instance-function.fs
new file mode 100644
index 0000000..6b8f8a0
--- /dev/null
+++ b/slof/fs/dma-instance-function.fs
@@ -0,0 +1,28 @@
+\ ****************************************************************************/
+\ * Copyright (c) 2019 IBM Corporation
+\ * All rights reserved.
+\ * This program and the accompanying materials
+\ * are made available under the terms of the BSD License
+\ * which accompanies this distribution, and is available at
+\ * http://www.opensource.org/licenses/bsd-license.php
+\ *
+\ * Contributors:
+\ *     IBM Corporation - initial implementation
+\ ****************************************************************************/
+
+\ DMA memory allocation functions
+: dma-alloc ( size -- virt )
+   s" dma-alloc" $call-parent
+;
+
+: dma-free ( virt size -- )
+   s" dma-free" $call-parent
+;
+
+: dma-map-in ( virt size cacheable? -- devaddr )
+   s" dma-map-in" $call-parent
+;
+
+: dma-map-out ( virt devaddr size -- )
+   s" dma-map-out" $call-parent
+;