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#!/bin/sh
set -e
# If run outside of a deqp-runner invoction (e.g. piglit trace replay), then act
# the same as the first thread in its threadpool.
THREAD=${DEQP_RUNNER_THREAD:-0}
#
# Helper to generate CIDs for virtio-vsock based communication with processes
# running inside crosvm guests.
#
# A CID is a 32-bit Context Identifier to be assigned to a crosvm instance
# and must be unique across the host system. For this purpose, let's take
# the least significant 25 bits from CI_JOB_ID as a base and generate a 7-bit
# prefix number to handle up to 128 concurrent crosvm instances per job runner.
#
# As a result, the following variables are set:
# - VSOCK_CID: the crosvm unique CID to be passed as a run argument
#
# - VSOCK_STDOUT, VSOCK_STDERR: the port numbers the guest should accept
# vsock connections on in order to transfer output messages
#
# - VM_TEMP_DIR: the temporary directory path used to pass additional
# context data towards the guest
#
set_vsock_context() {
[ -n "${CI_JOB_ID}" ] || {
echo "Missing or unset CI_JOB_ID env variable" >&2
exit 1
}
VM_TEMP_DIR="/tmp-vm.${THREAD}"
# Clear out any leftover files from a previous run.
rm -rf $VM_TEMP_DIR
mkdir $VM_TEMP_DIR || return 1
VSOCK_CID=$(((CI_JOB_ID & 0x1ffffff) | ((${THREAD} & 0x7f) << 25)))
VSOCK_STDOUT=5001
VSOCK_STDERR=5002
return 0
}
# The dEQP binary needs to run from the directory it's in
if [ -n "${1##*.sh}" ] && [ -z "${1##*"deqp"*}" ]; then
DEQP_BIN_DIR=$(dirname "$1")
export DEQP_BIN_DIR
fi
VM_SOCKET=crosvm-${THREAD}.sock
# Terminate any existing crosvm, if a previous invocation of this shell script
# was terminated due to timeouts. This "vm stop" may fail if the crosvm died
# without cleaning itself up.
if [ -e $VM_SOCKET ]; then
crosvm stop $VM_SOCKET || true
# Wait for socats from that invocation to drain
sleep 5
rm -rf $VM_SOCKET || true
fi
set_vsock_context || { echo "Could not generate crosvm vsock CID" >&2; exit 1; }
# Securely pass the current variables to the crosvm environment
echo "Variables passed through:"
SCRIPT_DIR=$(readlink -en "${0%/*}")
${SCRIPT_DIR}/common/generate-env.sh | tee ${VM_TEMP_DIR}/crosvm-env.sh
cp ${SCRIPTS_DIR}/setup-test-env.sh ${VM_TEMP_DIR}/setup-test-env.sh
# Set the crosvm-script as the arguments of the current script
echo ". ${VM_TEMP_DIR}/setup-test-env.sh" > ${VM_TEMP_DIR}/crosvm-script.sh
echo "$@" >> ${VM_TEMP_DIR}/crosvm-script.sh
# Setup networking
/usr/sbin/iptables-legacy -w -t nat -A POSTROUTING -o eth0 -j MASQUERADE
echo 1 > /proc/sys/net/ipv4/ip_forward
# Start background processes to receive output from guest
socat -u vsock-connect:${VSOCK_CID}:${VSOCK_STDERR},retry=200,interval=0.1 stderr &
socat -u vsock-connect:${VSOCK_CID}:${VSOCK_STDOUT},retry=200,interval=0.1 stdout &
# Prepare to start crosvm
unset DISPLAY
unset XDG_RUNTIME_DIR
CROSVM_KERN_ARGS="quiet console=null root=my_root rw rootfstype=virtiofs ip=192.168.30.2::192.168.30.1:255.255.255.0:crosvm:eth0"
CROSVM_KERN_ARGS="${CROSVM_KERN_ARGS} init=${SCRIPT_DIR}/crosvm-init.sh -- ${VSOCK_STDOUT} ${VSOCK_STDERR} ${VM_TEMP_DIR}"
[ "${CROSVM_GALLIUM_DRIVER}" = "llvmpipe" ] && \
CROSVM_LIBGL_ALWAYS_SOFTWARE=true || CROSVM_LIBGL_ALWAYS_SOFTWARE=false
set +e -x
# We aren't testing the host driver here, so we don't need to validate NIR on the host
NIR_DEBUG="novalidate" \
LIBGL_ALWAYS_SOFTWARE=${CROSVM_LIBGL_ALWAYS_SOFTWARE} \
GALLIUM_DRIVER=${CROSVM_GALLIUM_DRIVER} \
VK_ICD_FILENAMES=$CI_PROJECT_DIR/install/share/vulkan/icd.d/${CROSVM_VK_DRIVER}_icd.x86_64.json \
crosvm --no-syslog run \
--gpu "${CROSVM_GPU_ARGS}" --gpu-render-server "path=/usr/local/libexec/virgl_render_server" \
-m "${CROSVM_MEMORY:-4096}" -c "${CROSVM_CPU:-2}" --disable-sandbox \
--shared-dir /:my_root:type=fs:writeback=true:timeout=60:cache=always \
--host-ip "192.168.30.1" --netmask "255.255.255.0" --mac "AA:BB:CC:00:00:12" \
-s $VM_SOCKET \
--cid ${VSOCK_CID} -p "${CROSVM_KERN_ARGS}" \
/lava-files/${KERNEL_IMAGE_NAME:-bzImage} > ${VM_TEMP_DIR}/crosvm 2>&1
CROSVM_RET=$?
[ ${CROSVM_RET} -eq 0 ] && {
# The actual return code is the crosvm guest script's exit code
CROSVM_RET=$(cat ${VM_TEMP_DIR}/exit_code 2>/dev/null)
# Force error when the guest script's exit code is not available
CROSVM_RET=${CROSVM_RET:-1}
}
# Show crosvm output on error to help with debugging
[ ${CROSVM_RET} -eq 0 ] || {
set +x
echo "Dumping crosvm output.." >&2
cat ${VM_TEMP_DIR}/crosvm >&2
set -x
}
exit ${CROSVM_RET}
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