selftests/vsock: increase timeout to 1200

Increase the timeout from 300s to 1200s. On a modern bare metal server
my last run showed the new set of tests taking ~400s. Multiply by an
(arbitrary) fact

selftests/vsock: increase timeout to 1200

Increase the timeout from 300s to 1200s. On a modern bare metal server
my last run showed the new set of tests taking ~400s. Multiply by an
(arbitrary) factor of three to account for slower/nested runners.

Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Bobby Eshleman <bobbyeshleman@meta.com>
Link: https://patch.msgid.link/20260121-vsock-vmtest-v16-4-2859a7512097@meta.com
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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selftests/vsock: add initial vmtest.sh for vsock

This commit introduces a new vmtest.sh runner for vsock.

It uses virtme-ng/qemu to run tests in a VM. The tests validate G2H,
H2G, and loopback. The

selftests/vsock: add initial vmtest.sh for vsock

This commit introduces a new vmtest.sh runner for vsock.

It uses virtme-ng/qemu to run tests in a VM. The tests validate G2H,
H2G, and loopback. The testing tools from tools/testing/vsock/ are
reused. Currently, only vsock_test is used.

VMCI and hyperv support is included in the config file to be built with
the -b option, though not used in the tests.

Only tested on x86.

To run:

$ make -C tools/testing/selftests TARGETS=vsock
$ tools/testing/selftests/vsock/vmtest.sh

or

$ make -C tools/testing/selftests TARGETS=vsock run_tests

Example runs (after make -C tools/testing/selftests TARGETS=vsock):

$ ./tools/testing/selftests/vsock/vmtest.sh
1..3
ok 0 vm_server_host_client
ok 1 vm_client_host_server
ok 2 vm_loopback
SUMMARY: PASS=3 SKIP=0 FAIL=0
Log: /tmp/vsock_vmtest_m7DI.log

$ ./tools/testing/selftests/vsock/vmtest.sh vm_loopback
1..1
ok 0 vm_loopback
SUMMARY: PASS=1 SKIP=0 FAIL=0
Log: /tmp/vsock_vmtest_a1IO.log

$ mkdir -p ~/scratch
$ make -C tools/testing/selftests install TARGETS=vsock INSTALL_PATH=~/scratch
[... omitted ...]
$ cd ~/scratch
$ ./run_kselftest.sh
TAP version 13
1..1
# timeout set to 300
# selftests: vsock: vmtest.sh
# 1..3
# ok 0 vm_server_host_client
# ok 1 vm_client_host_server
# ok 2 vm_loopback
# SUMMARY: PASS=3 SKIP=0 FAIL=0
# Log: /tmp/vsock_vmtest_svEl.log
ok 1 selftests: vsock: vmtest.sh

Future work can include vsock_diag_test.

Because vsock requires a VM to test anything other than loopback, this
patch adds vmtest.sh as a kselftest itself. This is different than other
systems that have a "vmtest.sh", where it is used as a utility script to
spin up a VM to run the selftests as a guest (but isn't hooked into
kselftest).

Signed-off-by: Bobby Eshleman <bobbyeshleman@gmail.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://patch.msgid.link/20250609-vsock-vmtest-v10-1-7f37198e1cd4@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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