RE: [PATCH 3/9] bus: fsl-mc: dpio: add APIs for DPIO objects

2016-11-04 Thread Stuart Yoder 


> -Original Message-
> From: Ruxandra Ioana Radulescu
> Sent: Wednesday, November 02, 2016 9:50 AM
> To: Stuart Yoder <stuart.yo...@nxp.com>; gre...@linuxfoundation.org
> Cc: German Rivera <german.riv...@nxp.com>; de...@driverdev.osuosl.org; 
> linux-ker...@vger.kernel.org;
> ag...@suse.de; a...@arndb.de; Leo Li <leoyang...@nxp.com>; Roy Pledge 
> <roy.ple...@nxp.com>; Stuart Yoder
> <stuart.yo...@nxp.com>
> Subject: RE: [PATCH 3/9] bus: fsl-mc: dpio: add APIs for DPIO objects
> 
> > -Original Message-
> > From: Stuart Yoder [mailto:stuart.yo...@nxp.com]
> > Sent: Friday, October 21, 2016 5:02 PM
> > To: gre...@linuxfoundation.org
> > Cc: German Rivera <german.riv...@nxp.com>; de...@driverdev.osuosl.org;
> > linux-ker...@vger.kernel.org; ag...@suse.de; a...@arndb.de; Leo Li
> > <leoyang...@nxp.com>; Ruxandra Ioana Radulescu
> > <ruxandra.radule...@nxp.com>; Roy Pledge <roy.ple...@nxp.com>; Stuart
> > Yoder <stuart.yo...@nxp.com>
> > Subject: [PATCH 3/9] bus: fsl-mc: dpio: add APIs for DPIO objects
> >
> > From: Ioana Radulescu <ruxandra.radule...@nxp.com>
> >
> > Add the command build/parse APIs for operating on DPIO objects through
> > the DPAA2 Management Complex.
> >
> > Signed-off-by: Ioana Radulescu <ruxandra.radule...@nxp.com>
> > Signed-off-by: Roy Pledge <roy.ple...@nxp.com>
> > Signed-off-by: Stuart Yoder <stuart.yo...@nxp.com>
> > ---
> >  drivers/bus/fsl-mc/Kconfig |  10 ++
> >  drivers/bus/fsl-mc/Makefile|   3 +
> >  drivers/bus/fsl-mc/dpio/Makefile   |   9 ++
> >  drivers/bus/fsl-mc/dpio/dpio-cmd.h | 198
> > 
> >  drivers/bus/fsl-mc/dpio/dpio.c | 229
> > +
> >  drivers/bus/fsl-mc/dpio/dpio.h | 108 +
> >  6 files changed, 557 insertions(+)
> >  create mode 100644 drivers/bus/fsl-mc/dpio/Makefile
> >  create mode 100644 drivers/bus/fsl-mc/dpio/dpio-cmd.h
> >  create mode 100644 drivers/bus/fsl-mc/dpio/dpio.c
> >  create mode 100644 drivers/bus/fsl-mc/dpio/dpio.h
> >
> > diff --git a/drivers/bus/fsl-mc/Kconfig b/drivers/bus/fsl-mc/Kconfig
> > index 5c009ab..a10aaf0 100644
> > --- a/drivers/bus/fsl-mc/Kconfig
> > +++ b/drivers/bus/fsl-mc/Kconfig
> > @@ -15,3 +15,13 @@ config FSL_MC_BUS
> >   architecture.  The fsl-mc bus driver handles discovery of
> >   DPAA2 objects (which are represented as Linux devices) and
> >   binding objects to drivers.
> > +
> > +config FSL_MC_DPIO
> > +tristate "QorIQ DPAA2 DPIO driver"
> > +depends on FSL_MC_BUS
> > +help
> > + Driver for the DPAA2 DPIO object.  A DPIO provides queue and
> > + buffer management facilities for software to interact with
> > + other DPAA2 objects. This driver does not expose the DPIO
> > + objects individually, but groups them under a service layer
> > + API.
> > diff --git a/drivers/bus/fsl-mc/Makefile b/drivers/bus/fsl-mc/Makefile
> > index d56afee..d18df72 100644
> > --- a/drivers/bus/fsl-mc/Makefile
> > +++ b/drivers/bus/fsl-mc/Makefile
> > @@ -17,3 +17,6 @@ mc-bus-driver-objs := fsl-mc-bus.o \
> >   fsl-mc-msi.o \
> >   dpmcp.o \
> >   dpbp.o
> > +
> > +# MC DPIO driver
> > +obj-$(CONFIG_FSL_MC_DPIO) += dpio/
> > diff --git a/drivers/bus/fsl-mc/dpio/Makefile b/drivers/bus/fsl-
> > mc/dpio/Makefile
> > new file mode 100644
> > index 000..128befc
> > --- /dev/null
> > +++ b/drivers/bus/fsl-mc/dpio/Makefile
> > @@ -0,0 +1,9 @@
> > +#
> > +# QorIQ DPAA2 DPIO driver
> > +#
> > +
> > +subdir-ccflags-y := -Werror
> > +
> > +obj-$(CONFIG_FSL_MC_DPIO) += fsl-mc-dpio.o
> > +
> > +fsl-mc-dpio-objs := dpio.o
> > diff --git a/drivers/bus/fsl-mc/dpio/dpio-cmd.h b/drivers/bus/fsl-
> > mc/dpio/dpio-cmd.h
> > new file mode 100644
> > index 000..b25a4cc
> > --- /dev/null
> > +++ b/drivers/bus/fsl-mc/dpio/dpio-cmd.h
> > @@ -0,0 +1,198 @@
> > +/*
> > + * Copyright 2013-2016 Freescale Semiconductor Inc.
> > + *
> > + * Redistribution and use in source and binary forms, with or without
> > + * modification, are permitted provided that the following conditions are
> > met:
> > + * * Redistributions of source code must retain the above copyright
> > + * notice, this list of conditions and the following disclaimer.
> > + * * Redistributi

RE: [PATCH 3/9] bus: fsl-mc: dpio: add APIs for DPIO objects

2016-11-02 Thread Ruxandra Ioana Radulescu 
> -Original Message-
> From: Stuart Yoder [mailto:stuart.yo...@nxp.com]
> Sent: Friday, October 21, 2016 5:02 PM
> To: gre...@linuxfoundation.org
> Cc: German Rivera <german.riv...@nxp.com>; de...@driverdev.osuosl.org;
> linux-ker...@vger.kernel.org; ag...@suse.de; a...@arndb.de; Leo Li
> <leoyang...@nxp.com>; Ruxandra Ioana Radulescu
> <ruxandra.radule...@nxp.com>; Roy Pledge <roy.ple...@nxp.com>; Stuart
> Yoder <stuart.yo...@nxp.com>
> Subject: [PATCH 3/9] bus: fsl-mc: dpio: add APIs for DPIO objects
> 
> From: Ioana Radulescu <ruxandra.radule...@nxp.com>
> 
> Add the command build/parse APIs for operating on DPIO objects through
> the DPAA2 Management Complex.
> 
> Signed-off-by: Ioana Radulescu <ruxandra.radule...@nxp.com>
> Signed-off-by: Roy Pledge <roy.ple...@nxp.com>
> Signed-off-by: Stuart Yoder <stuart.yo...@nxp.com>
> ---
>  drivers/bus/fsl-mc/Kconfig |  10 ++
>  drivers/bus/fsl-mc/Makefile|   3 +
>  drivers/bus/fsl-mc/dpio/Makefile   |   9 ++
>  drivers/bus/fsl-mc/dpio/dpio-cmd.h | 198
> 
>  drivers/bus/fsl-mc/dpio/dpio.c | 229
> +
>  drivers/bus/fsl-mc/dpio/dpio.h | 108 +
>  6 files changed, 557 insertions(+)
>  create mode 100644 drivers/bus/fsl-mc/dpio/Makefile
>  create mode 100644 drivers/bus/fsl-mc/dpio/dpio-cmd.h
>  create mode 100644 drivers/bus/fsl-mc/dpio/dpio.c
>  create mode 100644 drivers/bus/fsl-mc/dpio/dpio.h
> 
> diff --git a/drivers/bus/fsl-mc/Kconfig b/drivers/bus/fsl-mc/Kconfig
> index 5c009ab..a10aaf0 100644
> --- a/drivers/bus/fsl-mc/Kconfig
> +++ b/drivers/bus/fsl-mc/Kconfig
> @@ -15,3 +15,13 @@ config FSL_MC_BUS
> architecture.  The fsl-mc bus driver handles discovery of
> DPAA2 objects (which are represented as Linux devices) and
> binding objects to drivers.
> +
> +config FSL_MC_DPIO
> +tristate "QorIQ DPAA2 DPIO driver"
> +depends on FSL_MC_BUS
> +help
> +   Driver for the DPAA2 DPIO object.  A DPIO provides queue and
> +   buffer management facilities for software to interact with
> +   other DPAA2 objects. This driver does not expose the DPIO
> +   objects individually, but groups them under a service layer
> +   API.
> diff --git a/drivers/bus/fsl-mc/Makefile b/drivers/bus/fsl-mc/Makefile
> index d56afee..d18df72 100644
> --- a/drivers/bus/fsl-mc/Makefile
> +++ b/drivers/bus/fsl-mc/Makefile
> @@ -17,3 +17,6 @@ mc-bus-driver-objs := fsl-mc-bus.o \
> fsl-mc-msi.o \
> dpmcp.o \
> dpbp.o
> +
> +# MC DPIO driver
> +obj-$(CONFIG_FSL_MC_DPIO) += dpio/
> diff --git a/drivers/bus/fsl-mc/dpio/Makefile b/drivers/bus/fsl-
> mc/dpio/Makefile
> new file mode 100644
> index 000..128befc
> --- /dev/null
> +++ b/drivers/bus/fsl-mc/dpio/Makefile
> @@ -0,0 +1,9 @@
> +#
> +# QorIQ DPAA2 DPIO driver
> +#
> +
> +subdir-ccflags-y := -Werror
> +
> +obj-$(CONFIG_FSL_MC_DPIO) += fsl-mc-dpio.o
> +
> +fsl-mc-dpio-objs := dpio.o
> diff --git a/drivers/bus/fsl-mc/dpio/dpio-cmd.h b/drivers/bus/fsl-
> mc/dpio/dpio-cmd.h
> new file mode 100644
> index 000..b25a4cc
> --- /dev/null
> +++ b/drivers/bus/fsl-mc/dpio/dpio-cmd.h
> @@ -0,0 +1,198 @@
> +/*
> + * Copyright 2013-2016 Freescale Semiconductor Inc.
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions are
> met:
> + * * Redistributions of source code must retain the above copyright
> + * notice, this list of conditions and the following disclaimer.
> + * * 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.
> + * * Neither the name of the above-listed copyright holders nor the
> + * names of any contributors may be used to endorse or promote products
> + * derived from this software without specific prior written permission.
> + *
> + * ALTERNATIVELY, this software may be distributed under the terms of the
> + * GNU General Public License ("GPL") as published by the Free Software
> + * Foundation, either version 2 of that License or (at your option) any
> + * later version.
> + *
> + * 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

[PATCH 3/9] bus: fsl-mc: dpio: add APIs for DPIO objects

2016-10-21 Thread Stuart Yoder 
From: Ioana Radulescu 

Add the command build/parse APIs for operating on DPIO objects through
the DPAA2 Management Complex.

Signed-off-by: Ioana Radulescu 
Signed-off-by: Roy Pledge 
Signed-off-by: Stuart Yoder 
---
 drivers/bus/fsl-mc/Kconfig |  10 ++
 drivers/bus/fsl-mc/Makefile|   3 +
 drivers/bus/fsl-mc/dpio/Makefile   |   9 ++
 drivers/bus/fsl-mc/dpio/dpio-cmd.h | 198 
 drivers/bus/fsl-mc/dpio/dpio.c | 229 +
 drivers/bus/fsl-mc/dpio/dpio.h | 108 +
 6 files changed, 557 insertions(+)
 create mode 100644 drivers/bus/fsl-mc/dpio/Makefile
 create mode 100644 drivers/bus/fsl-mc/dpio/dpio-cmd.h
 create mode 100644 drivers/bus/fsl-mc/dpio/dpio.c
 create mode 100644 drivers/bus/fsl-mc/dpio/dpio.h

diff --git a/drivers/bus/fsl-mc/Kconfig b/drivers/bus/fsl-mc/Kconfig
index 5c009ab..a10aaf0 100644
--- a/drivers/bus/fsl-mc/Kconfig
+++ b/drivers/bus/fsl-mc/Kconfig
@@ -15,3 +15,13 @@ config FSL_MC_BUS
  architecture.  The fsl-mc bus driver handles discovery of
  DPAA2 objects (which are represented as Linux devices) and
  binding objects to drivers.
+
+config FSL_MC_DPIO
+tristate "QorIQ DPAA2 DPIO driver"
+depends on FSL_MC_BUS
+help
+ Driver for the DPAA2 DPIO object.  A DPIO provides queue and
+ buffer management facilities for software to interact with
+ other DPAA2 objects. This driver does not expose the DPIO
+ objects individually, but groups them under a service layer
+ API.
diff --git a/drivers/bus/fsl-mc/Makefile b/drivers/bus/fsl-mc/Makefile
index d56afee..d18df72 100644
--- a/drivers/bus/fsl-mc/Makefile
+++ b/drivers/bus/fsl-mc/Makefile
@@ -17,3 +17,6 @@ mc-bus-driver-objs := fsl-mc-bus.o \
  fsl-mc-msi.o \
  dpmcp.o \
  dpbp.o
+
+# MC DPIO driver
+obj-$(CONFIG_FSL_MC_DPIO) += dpio/
diff --git a/drivers/bus/fsl-mc/dpio/Makefile b/drivers/bus/fsl-mc/dpio/Makefile
new file mode 100644
index 000..128befc
--- /dev/null
+++ b/drivers/bus/fsl-mc/dpio/Makefile
@@ -0,0 +1,9 @@
+#
+# QorIQ DPAA2 DPIO driver
+#
+
+subdir-ccflags-y := -Werror
+
+obj-$(CONFIG_FSL_MC_DPIO) += fsl-mc-dpio.o
+
+fsl-mc-dpio-objs := dpio.o
diff --git a/drivers/bus/fsl-mc/dpio/dpio-cmd.h 
b/drivers/bus/fsl-mc/dpio/dpio-cmd.h
new file mode 100644
index 000..b25a4cc
--- /dev/null
+++ b/drivers/bus/fsl-mc/dpio/dpio-cmd.h
@@ -0,0 +1,198 @@
+/*
+ * Copyright 2013-2016 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * Neither the name of the above-listed copyright holders nor the
+ * names of any contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * 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 HOLDERS 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 _FSL_DPIO_CMD_H
+#define _FSL_DPIO_CMD_H
+
+/* DPIO Version */
+#define DPIO_VER_MAJOR 4
+#define DPIO_VER_MINOR 2
+
+/* Command Versioning */
+
+#define DPIO_CMD_ID_OFFSET 4
+#define DPIO_CMD_BASE_VERSION  1
+
+#define DPIO_CMD(id)   ((id << DPIO_CMD_ID_OFFSET) | DPIO_CMD_BASE_VERSION)
+
+/* Command IDs */
+#define DPIO_CMDID_CLOSE   DPIO_CMD(0x800)
+#define DPIO_CMDID_OPENDPIO_CMD(0x803)
+#define DPIO_CMDID_CREATE