| Message ID | 20210116193321.385848-1-trix@redhat.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [v2] selftests: drivers: fpga: A test for interrupt support | expand |
Hi Tom, On Sat, Jan 16, 2021 at 11:33:21AM -0800, trix@redhat.com wrote: > From: Tom Rix <trix@redhat.com> > > 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 <trix@redhat.com> > --- > v1: Convert to kselftest_harness.h framework > --- > 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 <russell.h.weight@intel.com> > 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..b362fb1f788d > --- /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" Is that how it works with selftests? > + > +TEST(afu_intr) > +{ > + int devfd, status; > + struct dfl_fpga_port_info port_info; > + uint32_t irq_num = UINT32_MAX; Can you order those? xxxx xx x > + > + 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 > Thanks for starting this, I don't know a lot about selftests (yet). So we probably want to get a look at this from corresponding maintainers. - Moritz
On 1/16/21 7:43 PM, Moritz Fischer wrote: > Hi Tom, > > On Sat, Jan 16, 2021 at 11:33:21AM -0800, trix@redhat.com wrote: >> From: Tom Rix <trix@redhat.com> >> >> 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 <trix@redhat.com> >> --- >> v1: Convert to kselftest_harness.h framework >> --- >> 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 <russell.h.weight@intel.com> >> 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..b362fb1f788d >> --- /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" > Is that how it works with selftests? I believe so, the big change over v1, is me reading the manual https://www.kernel.org/doc/html/latest/dev-tools/kselftest.html >> + >> +TEST(afu_intr) >> +{ >> + int devfd, status; >> + struct dfl_fpga_port_info port_info; >> + uint32_t irq_num = UINT32_MAX; > Can you order those? > > xxxx > xx > x yes, v3 is on its way. >> + >> + 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 >> > Thanks for starting this, I don't know a lot about selftests (yet). > So we probably want to get a look at this from corresponding maintainers. Me either, that's why I am starting small. It would be nice to have a set of smoke tests to hook into a c/i. Tom > - Moritz >
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 <russell.h.weight@intel.com> 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..b362fb1f788d --- /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) +{ + int devfd, status; + struct dfl_fpga_port_info port_info; + uint32_t irq_num = UINT32_MAX; + + 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