On Fri, Oct 07, 2022 at 11:09:34AM +0530, Aman Gupta wrote: > This patch enables the support to perform selftest on PCIe endpoint > driver present in the system. The following tests are currently > performed by the selftest utility > > 1. BAR Tests (BAR0 to BAR5) > 2. MSI Interrupt Tests (MSI1 to MSI32) > 3. Read Tests (For 1, 1024, 1025, 1024000, 1024001 Bytes) > 4. Write Tests (For 1, 1024, 1025, 1024000, 1024001 Bytes) > 5. Copy Tests (For 1, 1024, 1025, 1024000, 1024001 Bytes) > > Signed-off-by: Aman Gupta <aman1.gupta@xxxxxxxxxxx> > Signed-off-by: Padmanabhan Rajanbabu <p.rajanbabu@xxxxxxxxxxx> > --- > tools/testing/selftests/Makefile | 1 + > tools/testing/selftests/pci/.gitignore | 1 + > tools/testing/selftests/pci/Makefile | 7 + > tools/testing/selftests/pci/pci-selftest.c | 167 +++++++++++++++++++++ > 4 files changed, 176 insertions(+) > create mode 100644 tools/testing/selftests/pci/.gitignore > create mode 100644 tools/testing/selftests/pci/Makefile > create mode 100644 tools/testing/selftests/pci/pci-selftest.c > > diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile > index c2064a35688b..81584169a80f 100644 > --- a/tools/testing/selftests/Makefile > +++ b/tools/testing/selftests/Makefile > @@ -49,6 +49,7 @@ TARGETS += net/forwarding > TARGETS += net/mptcp > TARGETS += netfilter > TARGETS += nsfs > +TARGETS += pci > TARGETS += pidfd > TARGETS += pid_namespace > TARGETS += powerpc > diff --git a/tools/testing/selftests/pci/.gitignore b/tools/testing/selftests/pci/.gitignore > new file mode 100644 > index 000000000000..db01411b8200 > --- /dev/null > +++ b/tools/testing/selftests/pci/.gitignore > @@ -0,0 +1 @@ > +pci-selftest > diff --git a/tools/testing/selftests/pci/Makefile b/tools/testing/selftests/pci/Makefile > new file mode 100644 > index 000000000000..76b7725a45ae > --- /dev/null > +++ b/tools/testing/selftests/pci/Makefile > @@ -0,0 +1,7 @@ > +# SPDX-License-Identifier: GPL-2.0 > +CFLAGS += -O2 -Wl,-no-as-needed -Wall > +LDFLAGS += -lrt -lpthread -lm > + > +TEST_GEN_PROGS = pci-selftest > + > +include ../lib.mk > diff --git a/tools/testing/selftests/pci/pci-selftest.c b/tools/testing/selftests/pci/pci-selftest.c > new file mode 100644 > index 000000000000..73e8f3eb1982 > --- /dev/null > +++ b/tools/testing/selftests/pci/pci-selftest.c endpoint-test.c > @@ -0,0 +1,167 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * PCI Endpoint Driver Test Program > + * > + * Copyright (c) 2022 Samsung Electronics Co., Ltd. > + * https://www.samsung.com > + * Author: Aman Gupta <aman1.gupta@xxxxxxxxxxx> > + */ > + > +#include <errno.h> > +#include <fcntl.h> > +#include <stdbool.h> > +#include <stdio.h> > +#include <stdlib.h> > +#include <sys/ioctl.h> > +#include <unistd.h> > + > +#include "../kselftest_harness.h" > + > +#define PCITEST_BAR _IO('P', 0x1) > +#define PCITEST_LEGACY_IRQ _IO('P', 0x2) > +#define PCITEST_MSI _IOW('P', 0x3, int) > +#define PCITEST_WRITE _IOW('P', 0x4, unsigned long) > +#define PCITEST_READ _IOW('P', 0x5, unsigned long) > +#define PCITEST_COPY _IOW('P', 0x6, unsigned long) > +#define PCITEST_MSIX _IOW('P', 0x7, int) > +#define PCITEST_SET_IRQTYPE _IOW('P', 0x8, int) > +#define PCITEST_GET_IRQTYPE _IO('P', 0x9) > +#define PCITEST_CLEAR_IRQ _IO('P', 0x10) > + > +static char *test_device = "/dev/pci-endpoint-test.0"; > + > +struct xfer_param { > + unsigned long size; > + unsigned char flag; > + }; Align '}' > + > +FIXTURE(device) > +{ > + int fd; > +}; > + > +FIXTURE_SETUP(device) > +{ > + > + self->fd = open(test_device, O_RDWR); > + > + ASSERT_NE(-1, self->fd) { > + TH_LOG("Can't open PCI Endpoint Test device\n"); > + } > +} > + > +FIXTURE_TEARDOWN(device) > +{ > + close(self->fd); > +} > + > +TEST_F(device, BAR_TEST) > +{ > + int ret = -EINVAL; Ininitialization not required here and also in other functions. > + int final = 0; > + > + for (int i = 0; i <= 5; i++) { > + ret = ioctl(self->fd, PCITEST_BAR, i); > + > + EXPECT_EQ(1, ret) { The return value of all these IOCTL's are going to change when [1] get's merged. [1] https://lore.kernel.org/linux-pci/20220824123010.51763-1-manivannan.sadhasivam@xxxxxxxxxx/ I'd suggest to resubmit this selftest after that. Thanks, Mani > + TH_LOG("TEST FAILED FOR BAR %d\n", i); > + final++; > + } > + } > + > + ASSERT_EQ(0, final); > +} > + > +TEST_F(device, MSI_TEST) > +{ > + int ret = -EINVAL; > + int final = 0; > + > + ret = ioctl(self->fd, PCITEST_SET_IRQTYPE, 1); > + ASSERT_EQ(1, ret); > + > + for (int i = 1; i <= 32; i++) { > + ret = ioctl(self->fd, PCITEST_MSI, i); > + EXPECT_EQ(1, ret) { > + TH_LOG("TEST FAILED FOR MSI%d\n", i); > + final++; > + } > + } > + > + ASSERT_EQ(0, final); > +} > + > +TEST_F(device, READ_TEST) > +{ > + int final = 0; > + int ret = -EINVAL; > + unsigned long SIZE[5] = {1, 1024, 1025, 1024000, 1024001}; > + > + ret = ioctl(self->fd, PCITEST_SET_IRQTYPE, 1); > + ASSERT_EQ(1, ret); > + > + struct xfer_param param; > + > + param.flag = 0; > + for (int i = 0; i < 5; i++) { > + param.size = SIZE[i]; > + ret = ioctl(self->fd, PCITEST_READ, ¶m); > + EXPECT_EQ(1, ret) { > + TH_LOG("TEST FAILED FOR size =%ld.\n", SIZE[i]); > + final++; > + } > + } > + > + ASSERT_EQ(0, final); > +} > + > +TEST_F(device, WRITE_TEST) > +{ > + int final = 0; > + int ret = -EINVAL; > + unsigned long SIZE[5] = {1, 1024, 1025, 1024000, 1024001}; > + > + ret = ioctl(self->fd, PCITEST_SET_IRQTYPE, 1); > + ASSERT_EQ(1, ret); > + > + struct xfer_param param; > + > + param.flag = 0; > + > + for (int i = 0; i < 5; i++) { > + param.size = SIZE[i]; > + ret = ioctl(self->fd, PCITEST_WRITE, ¶m); > + EXPECT_EQ(1, ret) { > + TH_LOG("TEST FAILED FOR size =%ld.\n", SIZE[i]); > + final++; > + } > + } > + > + ASSERT_EQ(0, final); > +} > + > +TEST_F(device, COPY_TEST) > +{ > + int final = 0; > + int ret = -EINVAL; > + unsigned long SIZE[5] = {1, 1024, 1025, 1024000, 1024001}; > + > + ret = ioctl(self->fd, PCITEST_SET_IRQTYPE, 1); > + ASSERT_EQ(1, ret); > + > + struct xfer_param param; > + > + param.flag = 0; > + > + for (int i = 0; i < 5; i++) { > + param.size = SIZE[i]; > + ret = ioctl(self->fd, PCITEST_COPY, ¶m); > + EXPECT_EQ(1, ret) { > + TH_LOG("TEST FAILED FOR size =%ld.\n", SIZE[i]); > + final++; > + } > + } > + > + ASSERT_EQ(0, final); > +} > +TEST_HARNESS_MAIN > -- > 2.17.1 > -- மணிவண்ணன் சதாசிவம்
