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SubjectRe: [PATCH v4 2/2] selftests: drivers/s390x: Add uvdevice tests
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On 5/10/22 7:47 PM, Steffen Eiden wrote:
> Adds some selftests to test ioctl error paths of the uv-uapi.
> The Kconfig S390_UV_UAPI must be selected and the Ultravisor facility
> must be available. The test can be executed by non-root, however, the
> uvdevice special file /dev/uv must be accessible for reading and
> writing which may imply root privileges.
>
> ./test-uv-device
> TAP version 13
> 1..6
> # Starting 6 tests from 3 test cases.
> # RUN uvio_fixture.att.fault_ioctl_arg ...
> # OK uvio_fixture.att.fault_ioctl_arg
> ok 1 uvio_fixture.att.fault_ioctl_arg
> # RUN uvio_fixture.att.fault_uvio_arg ...
> # OK uvio_fixture.att.fault_uvio_arg
> ok 2 uvio_fixture.att.fault_uvio_arg
> # RUN uvio_fixture.att.inval_ioctl_cb ...
> # OK uvio_fixture.att.inval_ioctl_cb
> ok 3 uvio_fixture.att.inval_ioctl_cb
> # RUN uvio_fixture.att.inval_ioctl_cmd ...
> # OK uvio_fixture.att.inval_ioctl_cmd
> ok 4 uvio_fixture.att.inval_ioctl_cmd
> # RUN attest_fixture.att_inval_request ...
> # OK attest_fixture.att_inval_request
> ok 5 attest_fixture.att_inval_request
> # RUN attest_fixture.att_inval_addr ...
> # OK attest_fixture.att_inval_addr
> ok 6 attest_fixture.att_inval_addr
> # PASSED: 6 / 6 tests passed.
> # Totals: pass:6 fail:0 xfail:0 xpass:0 skip:0 error:0
Maybe we shouldn't add the result like this in the commit message. The
test order may change and it may become invalid soon. Just put it after
the commit message.

> Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
> Acked-by: Janosch Frank <frankja@linux.ibm.com>
> ---
> MAINTAINERS | 1 +
> tools/testing/selftests/Makefile | 1 +
> tools/testing/selftests/drivers/.gitignore | 1 +
> .../selftests/drivers/s390x/uvdevice/Makefile | 22 ++
> .../selftests/drivers/s390x/uvdevice/config | 1 +
> .../drivers/s390x/uvdevice/test_uvdevice.c | 276 ++++++++++++++++++
> 6 files changed, 302 insertions(+)
> create mode 100644 tools/testing/selftests/drivers/s390x/uvdevice/Makefile
> create mode 100644 tools/testing/selftests/drivers/s390x/uvdevice/config
> create mode 100644 tools/testing/selftests/drivers/s390x/uvdevice/test_uvdevice.c
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index b42ab4a35e18..46a9b1467380 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -10786,6 +10786,7 @@ F: arch/s390/kernel/uv.c
> F: arch/s390/kvm/
> F: arch/s390/mm/gmap.c
> F: drivers/s390/char/uvdevice.c
> +F: tools/testing/selftests/drivers/s390x/uvdevice/
> F: tools/testing/selftests/kvm/*/s390x/
> F: tools/testing/selftests/kvm/s390x/
>
> diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
> index 2319ec87f53d..d6b307371ef7 100644
> --- a/tools/testing/selftests/Makefile
> +++ b/tools/testing/selftests/Makefile
> @@ -10,6 +10,7 @@ TARGETS += core
> TARGETS += cpufreq
> TARGETS += cpu-hotplug
> TARGETS += drivers/dma-buf
> +TARGETS += drivers/s390x/uvdevice
> TARGETS += efivarfs
> TARGETS += exec
> TARGETS += filesystems
> diff --git a/tools/testing/selftests/drivers/.gitignore b/tools/testing/selftests/drivers/.gitignore
> index ca74f2e1c719..09e23b5afa96 100644
> --- a/tools/testing/selftests/drivers/.gitignore
> +++ b/tools/testing/selftests/drivers/.gitignore
> @@ -1,2 +1,3 @@
> # SPDX-License-Identifier: GPL-2.0-only
> /dma-buf/udmabuf
> +/s390x/uvdevice/test_uvdevice
> diff --git a/tools/testing/selftests/drivers/s390x/uvdevice/Makefile b/tools/testing/selftests/drivers/s390x/uvdevice/Makefile
> new file mode 100644
> index 000000000000..5e701d2708d4
> --- /dev/null
> +++ b/tools/testing/selftests/drivers/s390x/uvdevice/Makefile
> @@ -0,0 +1,22 @@
> +include ../../../../../build/Build.include
> +
> +UNAME_M := $(shell uname -m)
> +
> +ifneq ($(UNAME_M),s390x)
> +nothing:
> +.PHONY: all clean run_tests install
> +.SILENT:
> +else
> +
> +TEST_GEN_PROGS := test_uvdevice
> +
> +top_srcdir ?= ../../../../../..
> +KSFT_KHDR_INSTALL := 1
> +khdr_dir = $(top_srcdir)/usr/include
This doesn't work in different build cases. Please use $(KHDR_INCLUDES)
instead.

> +LINUX_TOOL_ARCH_INCLUDE = $(top_srcdir)/tools/arch/$(ARCH)/include
Which header files do you need from here? I'm not sure what is the
purpose of the header files in $(top_srcdir)/tools/arch and where they
are used.

> +
> +CFLAGS += -Wall -Werror -static -I$(khdr_dir) -I$(LINUX_TOOL_ARCH_INCLUDE)
> +
> +include ../../../lib.mk
> +
> +endif
--
Muhammad Usama Anjum

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