From: Tom Rix <trix@xxxxxxxxxx>
Check that the ioctl DFL_FPGA_PORT_ERR_GET_IRQ_NUM returns
an expected result.
Tested on vf device 0xbcc1
Sample run with
$ sudo make -C tools/testing/selftests TARGETS=drivers/fpga run_tests
...
ok 1 selftests: drivers/fpga: afu_intr
Signed-off-by: Tom Rix <trix@xxxxxxxxxx>
---
tools/testing/selftests/Makefile | 1 +
tools/testing/selftests/drivers/fpga/Makefile | 9 +++++
.../testing/selftests/drivers/fpga/afu_intr.c | 38 +++++++++++++++++++
tools/testing/selftests/drivers/fpga/config | 1 +
4 files changed, 49 insertions(+)
create mode 100644 tools/testing/selftests/drivers/fpga/Makefile
create mode 100644 tools/testing/selftests/drivers/fpga/afu_intr.c
create mode 100644 tools/testing/selftests/drivers/fpga/config
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index 1195bd85af38..4c6eda659125 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -9,6 +9,7 @@ TARGETS += clone3
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..0a472e8c67c5
--- /dev/null
+++ b/tools/testing/selftests/drivers/fpga/Makefile
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0-only
+CFLAGS += -I../../../../../usr/include/
+CFLAGS += -I../../../../../include/uapi/
+
+TEST_GEN_PROGS := afu_intr
+
+top_srcdir ?=../../../../..
+
+include ../../lib.mk
diff --git a/tools/testing/selftests/drivers/fpga/afu_intr.c b/tools/testing/selftests/drivers/fpga/afu_intr.c
new file mode 100644
index 000000000000..aa1efba94605
--- /dev/null
+++ b/tools/testing/selftests/drivers/fpga/afu_intr.c
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <linux/fcntl.h>
+#include <linux/fpga-dfl.h>
+
+#define TEST_PREFIX "drivers/fpga/afu_intr"
+
+int main(int argc, char *argv[])
+{
+ int devfd, status;
+ struct dfl_fpga_port_info port_info;
+ uint32_t irq_num;
+
+ devfd = open("/dev/dfl-port.0", O_RDONLY);
+ if (devfd < 0) {
+ printf("%s: [skip,no-ufpgaintr]\n", TEST_PREFIX);
+ exit(77);
+ }
+
+ /*
+ * From fpga-dl.h :
+ * Currently hardware supports up to 1 irq.
+ * Return: 0 on success, -errno on failure.
+ */
+ irq_num = -1;
+ status = ioctl(devfd, DFL_FPGA_PORT_ERR_GET_IRQ_NUM, &irq_num);
+ if (status != 0 || irq_num > 255) {
+ printf("%s: [FAIL,err-get-irq-num]\n", TEST_PREFIX);
+ close(devfd);
+ exit(1);
+ }
+
+ close(devfd);
+ return 0;
+}
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
--
2.18.1
