[PATCH v2 4/5] soc/qman: Add self-test for QMan driver

[Claudiu Manoil]

Add self tests for the DPAA 1.x Queue Manager driver. The tests
ensure that the driver can properly enqueue and dequeue to/from
frame queues using the QMan portal infrastructure.

Signed-off-by: Roy Pledge 
Signed-off-by: Claudiu Manoil 
---
v2: none

 drivers/soc/fsl/qbman/Kconfig   |  23 ++
 drivers/soc/fsl/qbman/Makefile  |   5 +
 drivers/soc/fsl/qbman/qman_test.c   |  62 
 drivers/soc/fsl/qbman/qman_test.h   |  36 ++
 drivers/soc/fsl/qbman/qman_test_api.c   | 252 +
 drivers/soc/fsl/qbman/qman_test_stash.c | 617 
 6 files changed, 995 insertions(+)
 create mode 100644 drivers/soc/fsl/qbman/qman_test.c
 create mode 100644 drivers/soc/fsl/qbman/qman_test.h
 create mode 100644 drivers/soc/fsl/qbman/qman_test_api.c
 create mode 100644 drivers/soc/fsl/qbman/qman_test_stash.c

diff --git a/drivers/soc/fsl/qbman/Kconfig b/drivers/soc/fsl/qbman/Kconfig
index e6da6a2..757033c 100644
--- a/drivers/soc/fsl/qbman/Kconfig
+++ b/drivers/soc/fsl/qbman/Kconfig
@@ -41,4 +41,27 @@ config FSL_BMAN_TEST_API
  high-level API testing with them (whichever portal(s) are affine
  to the cpu(s) the test executes on).
 
+config FSL_QMAN_TEST
+   tristate "QMan self-tests"
+   help
+ Compile self-test code for QMan.
+
+config FSL_QMAN_TEST_API
+   bool "QMan high-level self-test"
+   depends on FSL_QMAN_TEST
+   default y
+   help
+ This requires the presence of cpu-affine portals, and performs
+ high-level API testing with them (whichever portal(s) are affine to
+ the cpu(s) the test executes on).
+
+config FSL_QMAN_TEST_STASH
+   bool "QMan 'hot potato' data-stashing self-test"
+   depends on FSL_QMAN_TEST
+   default y
+   help
+ This performs a "hot potato" style test enqueuing/dequeuing a frame
+ across a series of FQs scheduled to different portals (and cpus), with
+ DQRR, data and context stashing always on.
+
 endif # FSL_DPAA
diff --git a/drivers/soc/fsl/qbman/Makefile b/drivers/soc/fsl/qbman/Makefile
index 714dd97..7ae199f 100644
--- a/drivers/soc/fsl/qbman/Makefile
+++ b/drivers/soc/fsl/qbman/Makefile
@@ -5,3 +5,8 @@ obj-$(CONFIG_FSL_DPAA)  += bman_ccsr.o 
qman_ccsr.o \
 obj-$(CONFIG_FSL_BMAN_TEST) += bman-test.o
 bman-test-y  = bman_test.o
 bman-test-$(CONFIG_FSL_BMAN_TEST_API)   += bman_test_api.o
+
+obj-$(CONFIG_FSL_QMAN_TEST)+= qman-test.o
+qman-test-y = qman_test.o
+qman-test-$(CONFIG_FSL_QMAN_TEST_API)  += qman_test_api.o
+qman-test-$(CONFIG_FSL_QMAN_TEST_STASH)+= qman_test_stash.o
diff --git a/drivers/soc/fsl/qbman/qman_test.c 
b/drivers/soc/fsl/qbman/qman_test.c
new file mode 100644
index 000..18f7f02
--- /dev/null
+++ b/drivers/soc/fsl/qbman/qman_test.c
@@ -0,0 +1,62 @@
+/* Copyright 2008 - 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 Freescale Semiconductor nor the
+ *  names of its 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 Freescale Semiconductor ``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 Freescale Semiconductor 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.
+ */
+
+#include "qman_test.h"
+
+MODULE_AUTHOR("Geoff Thorpe");
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_DESCRIPTION("QMan testing");
+
+static int 

[PATCH v2 4/5] soc/qman: Add self-test for QMan driver

[Claudiu Manoil]

Add self tests for the DPAA 1.x Queue Manager driver. The tests
ensure that the driver can properly enqueue and dequeue to/from
frame queues using the QMan portal infrastructure.

Signed-off-by: Roy Pledge 
Signed-off-by: Claudiu Manoil 
---
v2: none

 drivers/soc/fsl/qbman/Kconfig   |  23 ++
 drivers/soc/fsl/qbman/Makefile  |   5 +
 drivers/soc/fsl/qbman/qman_test.c   |  62 
 drivers/soc/fsl/qbman/qman_test.h   |  36 ++
 drivers/soc/fsl/qbman/qman_test_api.c   | 252 +
 drivers/soc/fsl/qbman/qman_test_stash.c | 617 
 6 files changed, 995 insertions(+)
 create mode 100644 drivers/soc/fsl/qbman/qman_test.c
 create mode 100644 drivers/soc/fsl/qbman/qman_test.h
 create mode 100644 drivers/soc/fsl/qbman/qman_test_api.c
 create mode 100644 drivers/soc/fsl/qbman/qman_test_stash.c

diff --git a/drivers/soc/fsl/qbman/Kconfig b/drivers/soc/fsl/qbman/Kconfig
index e6da6a2..757033c 100644
--- a/drivers/soc/fsl/qbman/Kconfig
+++ b/drivers/soc/fsl/qbman/Kconfig
@@ -41,4 +41,27 @@ config FSL_BMAN_TEST_API
  high-level API testing with them (whichever portal(s) are affine
  to the cpu(s) the test executes on).
 
+config FSL_QMAN_TEST
+   tristate "QMan self-tests"
+   help
+ Compile self-test code for QMan.
+
+config FSL_QMAN_TEST_API
+   bool "QMan high-level self-test"
+   depends on FSL_QMAN_TEST
+   default y
+   help
+ This requires the presence of cpu-affine portals, and performs
+ high-level API testing with them (whichever portal(s) are affine to
+ the cpu(s) the test executes on).
+
+config FSL_QMAN_TEST_STASH
+   bool "QMan 'hot potato' data-stashing self-test"
+   depends on FSL_QMAN_TEST
+   default y
+   help
+ This performs a "hot potato" style test enqueuing/dequeuing a frame
+ across a series of FQs scheduled to different portals (and cpus), with
+ DQRR, data and context stashing always on.
+
 endif # FSL_DPAA
diff --git a/drivers/soc/fsl/qbman/Makefile b/drivers/soc/fsl/qbman/Makefile
index 714dd97..7ae199f 100644
--- a/drivers/soc/fsl/qbman/Makefile
+++ b/drivers/soc/fsl/qbman/Makefile
@@ -5,3 +5,8 @@ obj-$(CONFIG_FSL_DPAA)  += bman_ccsr.o 
qman_ccsr.o \
 obj-$(CONFIG_FSL_BMAN_TEST) += bman-test.o
 bman-test-y  = bman_test.o
 bman-test-$(CONFIG_FSL_BMAN_TEST_API)   += bman_test_api.o
+
+obj-$(CONFIG_FSL_QMAN_TEST)+= qman-test.o
+qman-test-y = qman_test.o
+qman-test-$(CONFIG_FSL_QMAN_TEST_API)  += qman_test_api.o
+qman-test-$(CONFIG_FSL_QMAN_TEST_STASH)+= qman_test_stash.o
diff --git a/drivers/soc/fsl/qbman/qman_test.c 
b/drivers/soc/fsl/qbman/qman_test.c
new file mode 100644
index 000..18f7f02
--- /dev/null
+++ b/drivers/soc/fsl/qbman/qman_test.c
@@ -0,0 +1,62 @@
+/* Copyright 2008 - 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 Freescale Semiconductor nor the
+ *  names of its 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 Freescale Semiconductor ``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 Freescale Semiconductor 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.
+ */
+
+#include "qman_test.h"
+
+MODULE_AUTHOR("Geoff Thorpe");
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_DESCRIPTION("QMan testing");
+
+static int test_init(void)
+{
+   int loop = 1;
+   int err