2021-01-17 17:52:33

by Tom Rix

[permalink] [raw]
Subject: [PATCH v3] selftests: drivers: fpga: A test for interrupt support

From: Tom Rix <[email protected]>

Check that the ioctl DFL_FPGA_PORT_ERR_GET_IRQ_NUM returns
an expected result.

Tested on vf device 0xbcc1

Sample run with
# make -C tools/testing/selftests TARGETS=drivers/fpga run_tests
...
TAP version 13
1..1
# selftests: drivers/fpga: intr
# TAP version 13
# 1..1
# # Starting 1 tests from 1 test cases.
# # RUN global.afu_intr ...
# # OK global.afu_intr
# ok 1 global.afu_intr
# # PASSED: 1 / 1 tests passed.
# # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0
ok 1 selftests: drivers/fpga: intr

Signed-off-by: Tom Rix <[email protected]>
---
v1: Convert to kselftest_harness.h framework
v2: reverse xmas tree variables
---
MAINTAINERS | 1 +
tools/testing/selftests/Makefile | 1 +
tools/testing/selftests/drivers/fpga/Makefile | 7 ++++
tools/testing/selftests/drivers/fpga/config | 1 +
tools/testing/selftests/drivers/fpga/intr.c | 36 +++++++++++++++++++
5 files changed, 46 insertions(+)
create mode 100644 tools/testing/selftests/drivers/fpga/Makefile
create mode 100644 tools/testing/selftests/drivers/fpga/config
create mode 100644 tools/testing/selftests/drivers/fpga/intr.c

diff --git a/MAINTAINERS b/MAINTAINERS
index de610a06cb5c..7ed3ce58d95e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6973,6 +6973,7 @@ F: Documentation/driver-api/fpga/
F: Documentation/fpga/
F: drivers/fpga/
F: include/linux/fpga/
+F: tools/testing/selftests/drivers/fpga/

FPGA SECURITY MANAGER DRIVERS
M: Russ Weight <[email protected]>
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index afbab4aeef3c..aad4763ec348 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -9,6 +9,7 @@ TARGETS += core
TARGETS += cpufreq
TARGETS += cpu-hotplug
TARGETS += drivers/dma-buf
+TARGETS += drivers/fpga
TARGETS += efivarfs
TARGETS += exec
TARGETS += filesystems
diff --git a/tools/testing/selftests/drivers/fpga/Makefile b/tools/testing/selftests/drivers/fpga/Makefile
new file mode 100644
index 000000000000..eba35c405d5b
--- /dev/null
+++ b/tools/testing/selftests/drivers/fpga/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-only
+CFLAGS += -I../../../../../usr/include/
+CFLAGS += -I../../../../../include/uapi/
+
+TEST_GEN_PROGS := intr
+
+include ../../lib.mk
diff --git a/tools/testing/selftests/drivers/fpga/config b/tools/testing/selftests/drivers/fpga/config
new file mode 100644
index 000000000000..e2111b81d8d7
--- /dev/null
+++ b/tools/testing/selftests/drivers/fpga/config
@@ -0,0 +1 @@
+CONFIG_FPGA_DFL_AFU=m
diff --git a/tools/testing/selftests/drivers/fpga/intr.c b/tools/testing/selftests/drivers/fpga/intr.c
new file mode 100644
index 000000000000..927dcc757f0b
--- /dev/null
+++ b/tools/testing/selftests/drivers/fpga/intr.c
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <sys/fcntl.h>
+#include <sys/ioctl.h>
+#include <linux/fpga-dfl.h>
+
+#include "../../kselftest_harness.h"
+
+TEST(afu_intr)
+{
+ struct dfl_fpga_port_info port_info;
+ uint32_t irq_num = UINT32_MAX;
+ int devfd, status;
+
+ devfd = open("/dev/dfl-port.0", O_RDONLY);
+ if (devfd < 0)
+ SKIP(0, "no fpga afu device 0");
+ /*
+ * From fpga-dl.h :
+ * Currently hardware supports up to 1 irq.
+ * Return: 0 on success, -errno on failure.
+ */
+ status = ioctl(devfd, DFL_FPGA_PORT_ERR_GET_IRQ_NUM, &irq_num);
+ ASSERT_EQ(0, status) {
+ TH_LOG("ioctl() failed to get the number irqs");
+ }
+ ASSERT_LT(irq_num, 256) {
+ TH_LOG("unexpeced number of irqs");
+ }
+ close(devfd);
+}
+
+TEST_HARNESS_MAIN
--
2.27.0


2021-01-24 04:27:19

by Moritz Fischer

[permalink] [raw]
Subject: Re: [PATCH v3] selftests: drivers: fpga: A test for interrupt support

Tom,

On Sun, Jan 17, 2021 at 08:18:15AM -0800, [email protected] wrote:
> From: Tom Rix <[email protected]>
>
> Check that the ioctl DFL_FPGA_PORT_ERR_GET_IRQ_NUM returns
> an expected result.
>
> Tested on vf device 0xbcc1
>
> Sample run with
> # make -C tools/testing/selftests TARGETS=drivers/fpga run_tests
> ...
> TAP version 13
> 1..1
> # selftests: drivers/fpga: intr
> # TAP version 13
> # 1..1
> # # Starting 1 tests from 1 test cases.
> # # RUN global.afu_intr ...
> # # OK global.afu_intr
> # ok 1 global.afu_intr
> # # PASSED: 1 / 1 tests passed.
> # # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0
> ok 1 selftests: drivers/fpga: intr
>
> Signed-off-by: Tom Rix <[email protected]>
> ---
> v1: Convert to kselftest_harness.h framework
> v2: reverse xmas tree variables
> ---
> MAINTAINERS | 1 +
> tools/testing/selftests/Makefile | 1 +
> tools/testing/selftests/drivers/fpga/Makefile | 7 ++++
> tools/testing/selftests/drivers/fpga/config | 1 +
> tools/testing/selftests/drivers/fpga/intr.c | 36 +++++++++++++++++++
> 5 files changed, 46 insertions(+)
> create mode 100644 tools/testing/selftests/drivers/fpga/Makefile
> create mode 100644 tools/testing/selftests/drivers/fpga/config
> create mode 100644 tools/testing/selftests/drivers/fpga/intr.c
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index de610a06cb5c..7ed3ce58d95e 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -6973,6 +6973,7 @@ F: Documentation/driver-api/fpga/
> F: Documentation/fpga/
> F: drivers/fpga/
> F: include/linux/fpga/
> +F: tools/testing/selftests/drivers/fpga/
>
> FPGA SECURITY MANAGER DRIVERS
> M: Russ Weight <[email protected]>
> diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
> index afbab4aeef3c..aad4763ec348 100644
> --- a/tools/testing/selftests/Makefile
> +++ b/tools/testing/selftests/Makefile
> @@ -9,6 +9,7 @@ TARGETS += core
> TARGETS += cpufreq
> TARGETS += cpu-hotplug
> TARGETS += drivers/dma-buf
> +TARGETS += drivers/fpga
> TARGETS += efivarfs
> TARGETS += exec
> TARGETS += filesystems
> diff --git a/tools/testing/selftests/drivers/fpga/Makefile b/tools/testing/selftests/drivers/fpga/Makefile
> new file mode 100644
> index 000000000000..eba35c405d5b
> --- /dev/null
> +++ b/tools/testing/selftests/drivers/fpga/Makefile
> @@ -0,0 +1,7 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +CFLAGS += -I../../../../../usr/include/
> +CFLAGS += -I../../../../../include/uapi/
> +
> +TEST_GEN_PROGS := intr
> +
> +include ../../lib.mk
> diff --git a/tools/testing/selftests/drivers/fpga/config b/tools/testing/selftests/drivers/fpga/config
> new file mode 100644
> index 000000000000..e2111b81d8d7
> --- /dev/null
> +++ b/tools/testing/selftests/drivers/fpga/config
> @@ -0,0 +1 @@
> +CONFIG_FPGA_DFL_AFU=m
> diff --git a/tools/testing/selftests/drivers/fpga/intr.c b/tools/testing/selftests/drivers/fpga/intr.c
> new file mode 100644
> index 000000000000..927dcc757f0b
> --- /dev/null
> +++ b/tools/testing/selftests/drivers/fpga/intr.c
> @@ -0,0 +1,36 @@
> +// SPDX-License-Identifier: GPL-2.0
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <stdint.h>
> +#include <string.h>
> +#include <sys/fcntl.h>
> +#include <sys/ioctl.h>
> +#include <linux/fpga-dfl.h>
> +
> +#include "../../kselftest_harness.h"
> +
> +TEST(afu_intr)
> +{
> + struct dfl_fpga_port_info port_info;
> + uint32_t irq_num = UINT32_MAX;
> + int devfd, status;
> +
> + devfd = open("/dev/dfl-port.0", O_RDONLY);
> + if (devfd < 0)
> + SKIP(0, "no fpga afu device 0");
> + /*
> + * From fpga-dl.h :
> + * Currently hardware supports up to 1 irq.
> + * Return: 0 on success, -errno on failure.
> + */
> + status = ioctl(devfd, DFL_FPGA_PORT_ERR_GET_IRQ_NUM, &irq_num);
> + ASSERT_EQ(0, status) {
> + TH_LOG("ioctl() failed to get the number irqs");
> + }
> + ASSERT_LT(irq_num, 256) {
> + TH_LOG("unexpeced number of irqs");
> + }
> + close(devfd);
> +}
> +
> +TEST_HARNESS_MAIN
> --
> 2.27.0
>
Looks good to me, from FPGA perspective, needs Acked-by from Shua, though.

Also, this does not apply to linux-next, or for-5.12 or char-misc-next,
so I'm confused :)

Once that's sorted, feel free to add

Acked-by: Moritz Fischer <[email protected]>

- Moritz

2021-01-24 15:10:52

by Tom Rix

[permalink] [raw]
Subject: Re: [PATCH v3] selftests: drivers: fpga: A test for interrupt support


On 1/23/21 8:24 PM, Moritz Fischer wrote:
> Tom,
>
> On Sun, Jan 17, 2021 at 08:18:15AM -0800, [email protected] wrote:
>> From: Tom Rix <[email protected]>
>>
>> Check that the ioctl DFL_FPGA_PORT_ERR_GET_IRQ_NUM returns
>> an expected result.
>>
>> Tested on vf device 0xbcc1
>>
>> Sample run with
>> # make -C tools/testing/selftests TARGETS=drivers/fpga run_tests
>> ...
>> TAP version 13
>> 1..1
>> # selftests: drivers/fpga: intr
>> # TAP version 13
>> # 1..1
>> # # Starting 1 tests from 1 test cases.
>> # # RUN global.afu_intr ...
>> # # OK global.afu_intr
>> # ok 1 global.afu_intr
>> # # PASSED: 1 / 1 tests passed.
>> # # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0
>> ok 1 selftests: drivers/fpga: intr
>>
>> Signed-off-by: Tom Rix <[email protected]>
>> ---
>> v1: Convert to kselftest_harness.h framework
>> v2: reverse xmas tree variables
>> ---
>> MAINTAINERS | 1 +
>> tools/testing/selftests/Makefile | 1 +
>> tools/testing/selftests/drivers/fpga/Makefile | 7 ++++
>> tools/testing/selftests/drivers/fpga/config | 1 +
>> tools/testing/selftests/drivers/fpga/intr.c | 36 +++++++++++++++++++
>> 5 files changed, 46 insertions(+)
>> create mode 100644 tools/testing/selftests/drivers/fpga/Makefile
>> create mode 100644 tools/testing/selftests/drivers/fpga/config
>> create mode 100644 tools/testing/selftests/drivers/fpga/intr.c
>>
>> diff --git a/MAINTAINERS b/MAINTAINERS
>> index de610a06cb5c..7ed3ce58d95e 100644
>> --- a/MAINTAINERS
>> +++ b/MAINTAINERS
>> @@ -6973,6 +6973,7 @@ F: Documentation/driver-api/fpga/
>> F: Documentation/fpga/
>> F: drivers/fpga/
>> F: include/linux/fpga/
>> +F: tools/testing/selftests/drivers/fpga/
>>
>> FPGA SECURITY MANAGER DRIVERS
>> M: Russ Weight <[email protected]>
>> diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
>> index afbab4aeef3c..aad4763ec348 100644
>> --- a/tools/testing/selftests/Makefile
>> +++ b/tools/testing/selftests/Makefile
>> @@ -9,6 +9,7 @@ TARGETS += core
>> TARGETS += cpufreq
>> TARGETS += cpu-hotplug
>> TARGETS += drivers/dma-buf
>> +TARGETS += drivers/fpga
>> TARGETS += efivarfs
>> TARGETS += exec
>> TARGETS += filesystems
>> diff --git a/tools/testing/selftests/drivers/fpga/Makefile b/tools/testing/selftests/drivers/fpga/Makefile
>> new file mode 100644
>> index 000000000000..eba35c405d5b
>> --- /dev/null
>> +++ b/tools/testing/selftests/drivers/fpga/Makefile
>> @@ -0,0 +1,7 @@
>> +# SPDX-License-Identifier: GPL-2.0-only
>> +CFLAGS += -I../../../../../usr/include/
>> +CFLAGS += -I../../../../../include/uapi/
>> +
>> +TEST_GEN_PROGS := intr
>> +
>> +include ../../lib.mk
>> diff --git a/tools/testing/selftests/drivers/fpga/config b/tools/testing/selftests/drivers/fpga/config
>> new file mode 100644
>> index 000000000000..e2111b81d8d7
>> --- /dev/null
>> +++ b/tools/testing/selftests/drivers/fpga/config
>> @@ -0,0 +1 @@
>> +CONFIG_FPGA_DFL_AFU=m
>> diff --git a/tools/testing/selftests/drivers/fpga/intr.c b/tools/testing/selftests/drivers/fpga/intr.c
>> new file mode 100644
>> index 000000000000..927dcc757f0b
>> --- /dev/null
>> +++ b/tools/testing/selftests/drivers/fpga/intr.c
>> @@ -0,0 +1,36 @@
>> +// SPDX-License-Identifier: GPL-2.0
>> +#include <stdio.h>
>> +#include <stdlib.h>
>> +#include <stdint.h>
>> +#include <string.h>
>> +#include <sys/fcntl.h>
>> +#include <sys/ioctl.h>
>> +#include <linux/fpga-dfl.h>
>> +
>> +#include "../../kselftest_harness.h"
>> +
>> +TEST(afu_intr)
>> +{
>> + struct dfl_fpga_port_info port_info;
>> + uint32_t irq_num = UINT32_MAX;
>> + int devfd, status;
>> +
>> + devfd = open("/dev/dfl-port.0", O_RDONLY);
>> + if (devfd < 0)
>> + SKIP(0, "no fpga afu device 0");
>> + /*
>> + * From fpga-dl.h :
>> + * Currently hardware supports up to 1 irq.
>> + * Return: 0 on success, -errno on failure.
>> + */
>> + status = ioctl(devfd, DFL_FPGA_PORT_ERR_GET_IRQ_NUM, &irq_num);
>> + ASSERT_EQ(0, status) {
>> + TH_LOG("ioctl() failed to get the number irqs");
>> + }
>> + ASSERT_LT(irq_num, 256) {
>> + TH_LOG("unexpeced number of irqs");
>> + }
>> + close(devfd);
>> +}
>> +
>> +TEST_HARNESS_MAIN
>> --
>> 2.27.0
>>
> Looks good to me, from FPGA perspective, needs Acked-by from Shua, though.
>
> Also, this does not apply to linux-next, or for-5.12 or char-misc-next,
> so I'm confused :)
>
> Once that's sorted, feel free to add

This applied to char-misc-next, at least a couple of days ago, I will check again

T

> Acked-by: Moritz Fischer <[email protected]>
>
> - Moritz
>