1############################################################################## 2# run_qemu translates the ambiguous exit status in Table1 to that in Table2. 3# Table3 simply documents the complete status table. 4# 5# Table1: Before fixup 6# -------------------- 7# 0 - Unexpected exit from QEMU (possible signal), or the unittest did 8# not use debug-exit 9# 1 - most likely unittest succeeded, or QEMU failed 10# 11# Table2: After fixup 12# ------------------- 13# 0 - Everything succeeded 14# 1 - most likely QEMU failed 15# 16# Table3: Complete table 17# ---------------------- 18# 0 - SUCCESS 19# 1 - most likely QEMU failed 20# 2 - most likely a run script failed 21# 3 - most likely the unittest failed 22# 124 - most likely the unittest timed out 23# 127 - most likely the unittest called abort() 24# 1..127 - FAILURE (could be QEMU, a run script, or the unittest) 25# >= 128 - Signal (signum = status - 128) 26############################################################################## 27run_qemu () 28{ 29 local stdout errors ret sig 30 31 initrd_create || return $? 32 echo -n "$@" 33 [ "$ENVIRON_DEFAULT" = "yes" ] && echo -n " #" 34 echo " $INITRD" 35 36 # stdout to {stdout}, stderr to $errors and stderr 37 exec {stdout}>&1 38 errors=$("${@}" $INITRD </dev/null 2> >(tee /dev/stderr) > /dev/fd/$stdout) 39 ret=$? 40 exec {stdout}>&- 41 42 [ $ret -eq 134 ] && echo "QEMU Aborted" >&2 43 44 if [ "$errors" ]; then 45 sig=$(grep 'terminating on signal' <<<"$errors") 46 if [ "$sig" ]; then 47 sig=$(sed 's/.*terminating on signal \([0-9][0-9]*\).*/\1/' <<<"$sig") 48 fi 49 fi 50 51 if [ $ret -eq 0 ]; then 52 # Some signals result in a zero return status, but the 53 # error log tells the truth. 54 if [ "$sig" ]; then 55 ((ret=sig+128)) 56 else 57 # Exiting with zero (non-debugexit) is an error 58 ret=1 59 fi 60 elif [ $ret -eq 1 ]; then 61 # Even when ret==1 (unittest success) if we also got stderr 62 # logs, then we assume a QEMU failure. Otherwise we translate 63 # status of 1 to 0 (SUCCESS) 64 if [ -z "$(echo "$errors" | grep -vi warning)" ]; then 65 ret=0 66 fi 67 fi 68 69 return $ret 70} 71 72run_qemu_status () 73{ 74 local stdout ret 75 76 exec {stdout}>&1 77 lines=$(run_qemu "$@" > >(tee /dev/fd/$stdout)) 78 ret=$? 79 exec {stdout}>&- 80 81 if [ $ret -eq 1 ]; then 82 testret=$(grep '^EXIT: ' <<<"$lines" | sed 's/.*STATUS=\([0-9][0-9]*\).*/\1/') 83 if [ "$testret" ]; then 84 if [ $testret -eq 1 ]; then 85 ret=0 86 else 87 ret=$testret 88 fi 89 fi 90 fi 91 92 return $ret 93} 94 95timeout_cmd () 96{ 97 if [ "$TIMEOUT" ] && [ "$TIMEOUT" != "0" ]; then 98 echo "timeout -k 1s --foreground $TIMEOUT" 99 fi 100} 101 102qmp () 103{ 104 echo '{ "execute": "qmp_capabilities" }{ "execute":' "$2" '}' | ncat -U $1 105} 106 107run_migration () 108{ 109 if ! command -v ncat >/dev/null 2>&1; then 110 echo "${FUNCNAME[0]} needs ncat (netcat)" >&2 111 return 77 112 fi 113 114 migsock=$(mktemp -u -t mig-helper-socket.XXXXXXXXXX) 115 migout1=$(mktemp -t mig-helper-stdout1.XXXXXXXXXX) 116 qmp1=$(mktemp -u -t mig-helper-qmp1.XXXXXXXXXX) 117 qmp2=$(mktemp -u -t mig-helper-qmp2.XXXXXXXXXX) 118 fifo=$(mktemp -u -t mig-helper-fifo.XXXXXXXXXX) 119 qmpout1=/dev/null 120 qmpout2=/dev/null 121 122 trap 'kill 0; exit 2' INT TERM 123 trap 'rm -f ${migout1} ${migsock} ${qmp1} ${qmp2} ${fifo}' RETURN EXIT 124 125 eval "$@" -chardev socket,id=mon1,path=${qmp1},server=on,wait=off \ 126 -mon chardev=mon1,mode=control | tee ${migout1} & 127 128 # We have to use cat to open the named FIFO, because named FIFO's, unlike 129 # pipes, will block on open() until the other end is also opened, and that 130 # totally breaks QEMU... 131 mkfifo ${fifo} 132 eval "$@" -chardev socket,id=mon2,path=${qmp2},server=on,wait=off \ 133 -mon chardev=mon2,mode=control -incoming unix:${migsock} < <(cat ${fifo}) & 134 incoming_pid=`jobs -l %+ | awk '{print$2}'` 135 136 # The test must prompt the user to migrate, so wait for the "migrate" keyword 137 while ! grep -q -i "migrate" < ${migout1} ; do 138 sleep 1 139 done 140 141 qmp ${qmp1} '"migrate", "arguments": { "uri": "unix:'${migsock}'" }' > ${qmpout1} 142 143 # Wait for the migration to complete 144 migstatus=`qmp ${qmp1} '"query-migrate"' | grep return` 145 while ! grep -q '"completed"' <<<"$migstatus" ; do 146 sleep 1 147 migstatus=`qmp ${qmp1} '"query-migrate"' | grep return` 148 if grep -q '"failed"' <<<"$migstatus" ; then 149 echo "ERROR: Migration failed." >&2 150 qmp ${qmp1} '"quit"'> ${qmpout1} 2>/dev/null 151 qmp ${qmp2} '"quit"'> ${qmpout2} 2>/dev/null 152 return 2 153 fi 154 done 155 qmp ${qmp1} '"quit"'> ${qmpout1} 2>/dev/null 156 echo > ${fifo} 157 wait $incoming_pid 158 ret=$? 159 160 while (( $(jobs -r | wc -l) > 0 )); do 161 sleep 0.5 162 done 163 164 return $ret 165} 166 167migration_cmd () 168{ 169 if [ "$MIGRATION" = "yes" ]; then 170 echo "run_migration" 171 fi 172} 173 174search_qemu_binary () 175{ 176 local save_path=$PATH 177 local qemucmd qemu 178 179 : "${QEMU_ARCH:=$ARCH_NAME}" 180 181 export PATH=$PATH:/usr/libexec 182 for qemucmd in ${QEMU:-qemu-system-$QEMU_ARCH qemu-kvm}; do 183 if $qemucmd --help 2>/dev/null | grep -q 'QEMU'; then 184 qemu="$qemucmd" 185 break 186 fi 187 done 188 189 if [ -z "$qemu" ]; then 190 echo "A QEMU binary was not found." >&2 191 echo "You can set a custom location by using the QEMU=<path> environment variable." >&2 192 return 2 193 fi 194 command -v $qemu 195 export PATH=$save_path 196} 197 198initrd_create () 199{ 200 if [ "$ENVIRON_DEFAULT" = "yes" ]; then 201 trap_exit_push 'rm -f $KVM_UNIT_TESTS_ENV; [ "$KVM_UNIT_TESTS_ENV_OLD" ] && export KVM_UNIT_TESTS_ENV="$KVM_UNIT_TESTS_ENV_OLD" || unset KVM_UNIT_TESTS_ENV; unset KVM_UNIT_TESTS_ENV_OLD' 202 [ -f "$KVM_UNIT_TESTS_ENV" ] && export KVM_UNIT_TESTS_ENV_OLD="$KVM_UNIT_TESTS_ENV" 203 export KVM_UNIT_TESTS_ENV=$(mktemp) 204 env_params 205 env_file 206 env_errata || return $? 207 fi 208 209 unset INITRD 210 [ -f "$KVM_UNIT_TESTS_ENV" ] && INITRD="-initrd $KVM_UNIT_TESTS_ENV" 211 212 return 0 213} 214 215env_add_params () 216{ 217 local p 218 219 for p in "$@"; do 220 if eval test -v $p; then 221 eval export "$p" 222 else 223 eval export "$p=" 224 fi 225 grep "^$p=" <(env) >>$KVM_UNIT_TESTS_ENV 226 done 227} 228 229env_params () 230{ 231 local qemu have_qemu 232 local _ rest 233 234 qemu=$(search_qemu_binary) && have_qemu=1 235 236 if [ "$have_qemu" ]; then 237 if [ -n "$ACCEL" ] || [ -n "$QEMU_ACCEL" ]; then 238 [ -n "$ACCEL" ] && QEMU_ACCEL=$ACCEL 239 fi 240 QEMU_VERSION_STRING="$($qemu -h | head -1)" 241 IFS='[ .]' read -r _ _ _ QEMU_MAJOR QEMU_MINOR QEMU_MICRO rest <<<"$QEMU_VERSION_STRING" 242 fi 243 env_add_params QEMU_ACCEL QEMU_VERSION_STRING QEMU_MAJOR QEMU_MINOR QEMU_MICRO 244 245 KERNEL_VERSION_STRING=$(uname -r) 246 IFS=. read -r KERNEL_VERSION KERNEL_PATCHLEVEL rest <<<"$KERNEL_VERSION_STRING" 247 IFS=- read -r KERNEL_SUBLEVEL KERNEL_EXTRAVERSION <<<"$rest" 248 KERNEL_SUBLEVEL=${KERNEL_SUBLEVEL%%[!0-9]*} 249 KERNEL_EXTRAVERSION=${KERNEL_EXTRAVERSION%%[!0-9]*} 250 ! [[ $KERNEL_SUBLEVEL =~ ^[0-9]+$ ]] && unset $KERNEL_SUBLEVEL 251 ! [[ $KERNEL_EXTRAVERSION =~ ^[0-9]+$ ]] && unset $KERNEL_EXTRAVERSION 252 env_add_params KERNEL_VERSION_STRING KERNEL_VERSION KERNEL_PATCHLEVEL KERNEL_SUBLEVEL KERNEL_EXTRAVERSION 253} 254 255env_file () 256{ 257 local line var 258 259 [ ! -f "$KVM_UNIT_TESTS_ENV_OLD" ] && return 260 261 for line in $(grep -E '^[[:blank:]]*[[:alpha:]_][[:alnum:]_]*=' "$KVM_UNIT_TESTS_ENV_OLD"); do 262 var=${line%%=*} 263 if ! grep -q "^$var=" $KVM_UNIT_TESTS_ENV; then 264 eval export "$line" 265 grep "^$var=" <(env) >>$KVM_UNIT_TESTS_ENV 266 fi 267 done 268} 269 270env_errata () 271{ 272 if [ "$ACCEL" = "tcg" ]; then 273 export "ERRATA_FORCE=y" 274 elif [ "$ERRATATXT" ] && [ ! -f "$ERRATATXT" ]; then 275 echo "$ERRATATXT not found. (ERRATATXT=$ERRATATXT)" >&2 276 return 2 277 elif [ "$ERRATATXT" ]; then 278 env_generate_errata 279 fi 280 sort <(env | grep '^ERRATA_') <(grep '^ERRATA_' $KVM_UNIT_TESTS_ENV) | uniq -u >>$KVM_UNIT_TESTS_ENV 281} 282 283env_generate_errata () 284{ 285 local line commit minver errata rest v p s x have 286 287 for line in $(grep -v '^#' "$ERRATATXT" | tr -d '[:blank:]' | cut -d: -f1,2); do 288 commit=${line%:*} 289 minver=${line#*:} 290 291 test -z "$commit" && continue 292 errata="ERRATA_$commit" 293 [ -n "${!errata}" ] && continue 294 295 IFS=. read -r v p rest <<<"$minver" 296 IFS=- read -r s x <<<"$rest" 297 s=${s%%[!0-9]*} 298 x=${x%%[!0-9]*} 299 300 if ! [[ $v =~ ^[0-9]+$ ]] || ! [[ $p =~ ^[0-9]+$ ]]; then 301 echo "Bad minimum kernel version in $ERRATATXT, $minver" 302 return 2 303 fi 304 ! [[ $s =~ ^[0-9]+$ ]] && unset $s 305 ! [[ $x =~ ^[0-9]+$ ]] && unset $x 306 307 if (( $KERNEL_VERSION > $v || 308 ($KERNEL_VERSION == $v && $KERNEL_PATCHLEVEL > $p) )); then 309 have=y 310 elif (( $KERNEL_VERSION == $v && $KERNEL_PATCHLEVEL == $p )); then 311 if [ "$KERNEL_SUBLEVEL" ] && [ "$s" ]; then 312 if (( $KERNEL_SUBLEVEL > $s )); then 313 have=y 314 elif (( $KERNEL_SUBLEVEL == $s )); then 315 if [ "$KERNEL_EXTRAVERSION" ] && [ "$x" ]; then 316 if (( $KERNEL_EXTRAVERSION >= $x )); then 317 have=y 318 else 319 have=n 320 fi 321 elif [ "$x" ] && (( $x != 0 )); then 322 have=n 323 else 324 have=y 325 fi 326 else 327 have=n 328 fi 329 elif [ "$s" ] && (( $s != 0 )); then 330 have=n 331 else 332 have=y 333 fi 334 else 335 have=n 336 fi 337 eval export "$errata=$have" 338 done 339} 340 341trap_exit_push () 342{ 343 local old_exit=$(trap -p EXIT | sed "s/^[^']*'//;s/'[^']*$//") 344 trap -- "$1; $old_exit" EXIT 345} 346 347kvm_available () 348{ 349 [ -c /dev/kvm ] || 350 return 1 351 352 [ "$HOST" = "$ARCH_NAME" ] || 353 ( [ "$HOST" = aarch64 ] && [ "$ARCH" = arm ] ) || 354 ( [ "$HOST" = x86_64 ] && [ "$ARCH" = i386 ] ) 355} 356 357hvf_available () 358{ 359 [ "$(sysctl -n kern.hv_support 2>/dev/null)" = "1" ] || return 1 360 [ "$HOST" = "$ARCH_NAME" ] || 361 ( [ "$HOST" = x86_64 ] && [ "$ARCH" = i386 ] ) 362} 363 364get_qemu_accelerator () 365{ 366 if [ "$ACCEL" = "kvm" ] && ! kvm_available; then 367 echo "KVM is needed, but not available on this host" >&2 368 return 2 369 fi 370 if [ "$ACCEL" = "hvf" ] && ! hvf_available; then 371 echo "HVF is needed, but not available on this host" >&2 372 return 2 373 fi 374 375 if [ "$ACCEL" ]; then 376 echo $ACCEL 377 elif kvm_available; then 378 echo kvm 379 elif hvf_available; then 380 echo hvf 381 else 382 echo tcg 383 fi 384} 385