[SLOF] [PATCH slof v4 4/5] dma: Define default dma methods for using by client/package instances
Alexey Kardashevskiy
aik at ozlabs.ru
Wed Dec 4 14:26:59 AEDT 2019
The whole idea of this to be a separate patch was to make it
"From: Michael Roth <mdroth at linux.vnet.ibm.com>"
and I missed this :) I'll fix it in my tree.
On 04/12/2019 14:21, Alexey Kardashevskiy wrote:
> They call parent node (which is a device) methods.
>
> Signed-off-by: Michael Roth <mdroth at linux.vnet.ibm.com>
> Signed-off-by: Alexey Kardashevskiy <aik at ozlabs.ru>
> ---
> board-qemu/slof/Makefile | 1 +
> board-qemu/slof/OF.fs | 3 +++
> slof/fs/dma-instance-function.fs | 28 ++++++++++++++++++++++++++++
> 3 files changed, 32 insertions(+)
> create mode 100644 slof/fs/dma-instance-function.fs
>
> diff --git a/board-qemu/slof/Makefile b/board-qemu/slof/Makefile
> index 2263e751bde9..d7ed2d7a6f18 100644
> --- a/board-qemu/slof/Makefile
> +++ b/board-qemu/slof/Makefile
> @@ -99,6 +99,7 @@ OF_FFS_FILES = \
> $(SLOFCMNDIR)/fs/graphics.fs \
> $(SLOFCMNDIR)/fs/generic-disk.fs \
> $(SLOFCMNDIR)/fs/dma-function.fs \
> + $(SLOFCMNDIR)/fs/dma-instance-function.fs \
> $(SLOFCMNDIR)/fs/pci-device.fs \
> $(SLOFCMNDIR)/fs/pci-bridge.fs \
> $(SLOFCMNDIR)/fs/pci-properties.fs \
> diff --git a/board-qemu/slof/OF.fs b/board-qemu/slof/OF.fs
> index a85f6c558e67..3e117ad03e09 100644
> --- a/board-qemu/slof/OF.fs
> +++ b/board-qemu/slof/OF.fs
> @@ -143,6 +143,9 @@ check-for-nvramrc
>
> 8a0 cp
>
> +\ For DMA functions used by client/package instances.
> +#include "dma-instance-function.fs"
> +
> \ The client interface.
> #include "client.fs"
> \ ELF binary file format.
> diff --git a/slof/fs/dma-instance-function.fs b/slof/fs/dma-instance-function.fs
> new file mode 100644
> index 000000000000..6b8f8a06fcba
> --- /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
> +;
>
--
Alexey
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