1#!/usr/bin/env bash 2# 3# Copyright (C) 2009 Red Hat, Inc. 4# Copyright (c) 2000-2006 Silicon Graphics, Inc. All Rights Reserved. 5# 6# This program is free software; you can redistribute it and/or modify 7# it under the terms of the GNU General Public License as published by 8# the Free Software Foundation; either version 2 of the License, or 9# (at your option) any later version. 10# 11# This program is distributed in the hope that it will be useful, 12# but WITHOUT ANY WARRANTY; without even the implied warranty of 13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14# GNU General Public License for more details. 15# 16# You should have received a copy of the GNU General Public License 17# along with this program. If not, see <http://www.gnu.org/licenses/>. 18# 19 20SED= 21for sed in sed gsed; do 22 ($sed --version | grep 'GNU sed') > /dev/null 2>&1 23 if [ "$?" -eq 0 ]; then 24 SED=$sed 25 break 26 fi 27done 28if [ -z "$SED" ]; then 29 echo "$0: GNU sed not found" 30 exit 1 31fi 32 33dd() 34{ 35 if [ "$HOSTOS" == "Linux" ] 36 then 37 command dd --help | grep noxfer > /dev/null 2>&1 38 39 if [ "$?" -eq 0 ] 40 then 41 command dd status=noxfer $@ 42 else 43 command dd $@ 44 fi 45 else 46 command dd $@ 47 fi 48} 49 50# poke_file 'test.img' 512 '\xff\xfe' 51poke_file() 52{ 53 printf "$3" | dd "of=$1" bs=1 "seek=$2" conv=notrunc &>/dev/null 54} 55 56# peek_file_le 'test.img' 512 2 => 65534 57peek_file_le() 58{ 59 local val=0 shift=0 byte 60 61 # coreutils' od --endian is not portable, so manually assemble bytes. 62 for byte in $(od -j"$2" -N"$3" -An -v -tu1 "$1"); do 63 val=$(( val | (byte << shift) )) 64 shift=$((shift + 8)) 65 done 66 printf %llu $val 67} 68 69# peek_file_be 'test.img' 512 2 => 65279 70peek_file_be() 71{ 72 local val=0 byte 73 74 # coreutils' od --endian is not portable, so manually assemble bytes. 75 for byte in $(od -j"$2" -N"$3" -An -v -tu1 "$1"); do 76 val=$(( (val << 8) | byte )) 77 done 78 printf %llu $val 79} 80 81# peek_file_raw 'test.img' 512 2 => '\xff\xfe'. Do not use if the raw data 82# is likely to contain \0 or trailing \n. 83peek_file_raw() 84{ 85 dd if="$1" bs=1 skip="$2" count="$3" status=none 86} 87 88 89if ! . ./common.config 90 then 91 echo "$0: failed to source common.config" 92 exit 1 93fi 94 95# Set the variables to the empty string to turn Valgrind off 96# for specific processes, e.g. 97# $ VALGRIND_QEMU_IO= ./check -qcow2 -valgrind 015 98 99: ${VALGRIND_QEMU_VM=$VALGRIND_QEMU} 100: ${VALGRIND_QEMU_IMG=$VALGRIND_QEMU} 101: ${VALGRIND_QEMU_IO=$VALGRIND_QEMU} 102: ${VALGRIND_QEMU_NBD=$VALGRIND_QEMU} 103: ${VALGRIND_QEMU_VXHS=$VALGRIND_QEMU} 104 105# The Valgrind own parameters may be set with 106# its environment variable VALGRIND_OPTS, e.g. 107# $ VALGRIND_OPTS="--leak-check=yes" ./check -qcow2 -valgrind 015 108 109_qemu_proc_exec() 110{ 111 local VALGRIND_LOGFILE="$1" 112 shift 113 if [[ "${VALGRIND_QEMU}" == "y" && "${NO_VALGRIND}" != "y" ]]; then 114 exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 "$@" 115 else 116 exec "$@" 117 fi 118} 119 120_qemu_proc_valgrind_log() 121{ 122 local VALGRIND_LOGFILE="$1" 123 local RETVAL="$2" 124 if [[ "${VALGRIND_QEMU}" == "y" && "${NO_VALGRIND}" != "y" ]]; then 125 if [ $RETVAL == 99 ]; then 126 cat "${VALGRIND_LOGFILE}" 127 fi 128 rm -f "${VALGRIND_LOGFILE}" 129 fi 130} 131 132_qemu_wrapper() 133{ 134 local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind 135 ( 136 if [ -n "${QEMU_NEED_PID}" ]; then 137 echo $BASHPID > "${QEMU_TEST_DIR}/qemu-${_QEMU_HANDLE}.pid" 138 fi 139 VALGRIND_QEMU="${VALGRIND_QEMU_VM}" _qemu_proc_exec "${VALGRIND_LOGFILE}" \ 140 "$QEMU_PROG" $QEMU_OPTIONS "$@" 141 ) 142 RETVAL=$? 143 _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL 144 return $RETVAL 145} 146 147_qemu_img_wrapper() 148{ 149 local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind 150 ( 151 VALGRIND_QEMU="${VALGRIND_QEMU_IMG}" _qemu_proc_exec "${VALGRIND_LOGFILE}" \ 152 "$QEMU_IMG_PROG" $QEMU_IMG_OPTIONS "$@" 153 ) 154 RETVAL=$? 155 _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL 156 return $RETVAL 157} 158 159_qemu_io_wrapper() 160{ 161 local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind 162 local QEMU_IO_ARGS="$QEMU_IO_OPTIONS" 163 if [ "$IMGOPTSSYNTAX" = "true" ]; then 164 QEMU_IO_ARGS="--image-opts $QEMU_IO_ARGS" 165 if [ -n "$IMGKEYSECRET" ]; then 166 QEMU_IO_ARGS="--object secret,id=keysec0,data=$IMGKEYSECRET $QEMU_IO_ARGS" 167 fi 168 fi 169 ( 170 VALGRIND_QEMU="${VALGRIND_QEMU_IO}" _qemu_proc_exec "${VALGRIND_LOGFILE}" \ 171 "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@" 172 ) 173 RETVAL=$? 174 _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL 175 return $RETVAL 176} 177 178_qemu_nbd_wrapper() 179{ 180 local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind 181 ( 182 VALGRIND_QEMU="${VALGRIND_QEMU_NBD}" _qemu_proc_exec "${VALGRIND_LOGFILE}" \ 183 "$QEMU_NBD_PROG" --pid-file="${QEMU_TEST_DIR}/qemu-nbd.pid" \ 184 $QEMU_NBD_OPTIONS "$@" 185 ) 186 RETVAL=$? 187 _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL 188 return $RETVAL 189} 190 191_qemu_vxhs_wrapper() 192{ 193 local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind 194 ( 195 echo $BASHPID > "${TEST_DIR}/qemu-vxhs.pid" 196 VALGRIND_QEMU="${VALGRIND_QEMU_VXHS}" _qemu_proc_exec "${VALGRIND_LOGFILE}" \ 197 "$QEMU_VXHS_PROG" $QEMU_VXHS_OPTIONS "$@" 198 ) 199 RETVAL=$? 200 _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL 201 return $RETVAL 202} 203 204# Valgrind bug #409141 https://bugs.kde.org/show_bug.cgi?id=409141 205# Until valgrind 3.16+ is ubiquitous, we must work around a hang in 206# valgrind when issuing sigkill. Disable valgrind for this invocation. 207_NO_VALGRIND() 208{ 209 NO_VALGRIND="y" "$@" 210} 211 212export QEMU=_qemu_wrapper 213export QEMU_IMG=_qemu_img_wrapper 214export QEMU_IO=_qemu_io_wrapper 215export QEMU_NBD=_qemu_nbd_wrapper 216export QEMU_VXHS=_qemu_vxhs_wrapper 217 218if [ "$IMGOPTSSYNTAX" = "true" ]; then 219 DRIVER="driver=$IMGFMT" 220 QEMU_IMG_EXTRA_ARGS="--image-opts $QEMU_IMG_EXTRA_ARGS" 221 if [ -n "$IMGKEYSECRET" ]; then 222 QEMU_IMG_EXTRA_ARGS="--object secret,id=keysec0,data=$IMGKEYSECRET $QEMU_IMG_EXTRA_ARGS" 223 fi 224 if [ "$IMGFMT" = "luks" ]; then 225 DRIVER="$DRIVER,key-secret=keysec0" 226 fi 227 if [ "$IMGPROTO" = "file" ]; then 228 TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT 229 TEST_IMG="$DRIVER,file.filename=$TEST_DIR/t.$IMGFMT" 230 elif [ "$IMGPROTO" = "nbd" ]; then 231 TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT 232 TEST_IMG="$DRIVER,file.driver=nbd,file.type=unix" 233 TEST_IMG="$TEST_IMG,file.path=$SOCK_DIR/nbd" 234 elif [ "$IMGPROTO" = "ssh" ]; then 235 TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT 236 TEST_IMG="$DRIVER,file.driver=ssh,file.host=127.0.0.1,file.path=$TEST_IMG_FILE" 237 elif [ "$IMGPROTO" = "nfs" ]; then 238 TEST_DIR="$DRIVER,file.driver=nfs,file.filename=nfs://127.0.0.1/$TEST_DIR" 239 TEST_IMG=$TEST_DIR/t.$IMGFMT 240 else 241 TEST_IMG="$DRIVER,file.driver=$IMGPROTO,file.filename=$TEST_DIR/t.$IMGFMT" 242 fi 243else 244 QEMU_IMG_EXTRA_ARGS= 245 if [ "$IMGPROTO" = "file" ]; then 246 TEST_IMG=$TEST_DIR/t.$IMGFMT 247 elif [ "$IMGPROTO" = "nbd" ]; then 248 TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT 249 TEST_IMG="nbd+unix:///?socket=$SOCK_DIR/nbd" 250 elif [ "$IMGPROTO" = "ssh" ]; then 251 TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT 252 REMOTE_TEST_DIR="ssh://\\($USER@\\)\\?127.0.0.1\\(:[0-9]\\+\\)\\?$TEST_DIR" 253 TEST_IMG="ssh://127.0.0.1$TEST_IMG_FILE" 254 elif [ "$IMGPROTO" = "nfs" ]; then 255 TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT 256 REMOTE_TEST_DIR="nfs://127.0.0.1$TEST_DIR" 257 TEST_IMG="nfs://127.0.0.1$TEST_IMG_FILE" 258 elif [ "$IMGPROTO" = "vxhs" ]; then 259 TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT 260 TEST_IMG="vxhs://127.0.0.1:9999/t.$IMGFMT" 261 else 262 TEST_IMG=$IMGPROTO:$TEST_DIR/t.$IMGFMT 263 fi 264fi 265ORIG_TEST_IMG="$TEST_IMG" 266 267if [ -z "$TEST_DIR" ]; then 268 TEST_DIR=$PWD/scratch 269fi 270 271QEMU_TEST_DIR="${TEST_DIR}" 272 273if [ ! -e "$TEST_DIR" ]; then 274 mkdir "$TEST_DIR" 275fi 276 277if [ ! -d "$TEST_DIR" ]; then 278 echo "common.rc: Error: \$TEST_DIR ($TEST_DIR) is not a directory" 279 exit 1 280fi 281 282if [ -z "$REMOTE_TEST_DIR" ]; then 283 REMOTE_TEST_DIR="$TEST_DIR" 284fi 285 286if [ ! -d "$SAMPLE_IMG_DIR" ]; then 287 echo "common.rc: Error: \$SAMPLE_IMG_DIR ($SAMPLE_IMG_DIR) is not a directory" 288 exit 1 289fi 290 291_use_sample_img() 292{ 293 SAMPLE_IMG_FILE="${1%\.bz2}" 294 TEST_IMG="$TEST_DIR/$SAMPLE_IMG_FILE" 295 bzcat "$SAMPLE_IMG_DIR/$1" > "$TEST_IMG" 296 if [ $? -ne 0 ] 297 then 298 echo "_use_sample_img error, cannot extract '$SAMPLE_IMG_DIR/$1'" 299 exit 1 300 fi 301} 302 303_stop_nbd_server() 304{ 305 if [ -f "${QEMU_TEST_DIR}/qemu-nbd.pid" ]; then 306 local QEMU_NBD_PID 307 read QEMU_NBD_PID < "${QEMU_TEST_DIR}/qemu-nbd.pid" 308 kill ${QEMU_NBD_PID} 309 rm -f "${QEMU_TEST_DIR}/qemu-nbd.pid" "$SOCK_DIR/nbd" 310 fi 311} 312 313# Gets the data_file value from IMGOPTS and replaces the '$TEST_IMG' 314# pattern by '$1' 315# Caution: The replacement is done with sed, so $1 must be escaped 316# properly. (The delimiter is '#'.) 317_get_data_file() 318{ 319 if ! echo "$IMGOPTS" | grep -q 'data_file='; then 320 return 1 321 fi 322 323 echo "$IMGOPTS" | sed -e 's/.*data_file=\([^,]*\).*/\1/' \ 324 | sed -e "s#\\\$TEST_IMG#$1#" 325} 326 327_make_test_img() 328{ 329 # extra qemu-img options can be added by tests 330 # at least one argument (the image size) needs to be added 331 local extra_img_options="" 332 local optstr="" 333 local img_name="" 334 local use_backing=0 335 local backing_file="" 336 local object_options="" 337 local opts_param=false 338 local misc_params=() 339 340 if [ -n "$TEST_IMG_FILE" ]; then 341 img_name=$TEST_IMG_FILE 342 else 343 img_name=$TEST_IMG 344 fi 345 346 if [ -n "$IMGOPTS" ]; then 347 imgopts_expanded=$(echo "$IMGOPTS" | sed -e "s#\\\$TEST_IMG#$img_name#") 348 optstr=$(_optstr_add "$optstr" "$imgopts_expanded") 349 fi 350 if [ -n "$IMGKEYSECRET" ]; then 351 object_options="--object secret,id=keysec0,data=$IMGKEYSECRET" 352 optstr=$(_optstr_add "$optstr" "key-secret=keysec0") 353 fi 354 355 for param; do 356 if [ "$use_backing" = "1" -a -z "$backing_file" ]; then 357 backing_file=$param 358 continue 359 elif $opts_param; then 360 optstr=$(_optstr_add "$optstr" "$param") 361 opts_param=false 362 continue 363 fi 364 365 case "$param" in 366 -b) 367 use_backing=1 368 ;; 369 370 -o) 371 opts_param=true 372 ;; 373 374 --no-opts) 375 optstr="" 376 ;; 377 378 *) 379 misc_params=("${misc_params[@]}" "$param") 380 ;; 381 esac 382 done 383 384 if [ \( "$IMGFMT" = "qcow2" -o "$IMGFMT" = "qed" \) -a -n "$CLUSTER_SIZE" ]; then 385 optstr=$(_optstr_add "$optstr" "cluster_size=$CLUSTER_SIZE") 386 fi 387 388 if [ -n "$optstr" ]; then 389 extra_img_options="-o $optstr $extra_img_options" 390 fi 391 392 if [ $IMGPROTO = "nbd" ]; then 393 _stop_nbd_server 394 fi 395 396 # XXX(hch): have global image options? 397 ( 398 if [ $use_backing = 1 ]; then 399 $QEMU_IMG create $object_options -f $IMGFMT $extra_img_options -b "$backing_file" "$img_name" "${misc_params[@]}" 2>&1 400 else 401 $QEMU_IMG create $object_options -f $IMGFMT $extra_img_options "$img_name" "${misc_params[@]}" 2>&1 402 fi 403 ) | _filter_img_create 404 405 # Start an NBD server on the image file, which is what we'll be talking to. 406 # Once NBD gains resize support, we may also want to use -f raw at the 407 # server and interpret format over NBD, but for now, the format is 408 # interpreted at the server and raw data sent over NBD. 409 if [ $IMGPROTO = "nbd" ]; then 410 # Pass a sufficiently high number to -e that should be enough for all 411 # tests 412 eval "$QEMU_NBD -v -t -k '$SOCK_DIR/nbd' -f $IMGFMT -e 42 -x '' $TEST_IMG_FILE >/dev/null &" 413 sleep 1 # FIXME: qemu-nbd needs to be listening before we continue 414 fi 415 416 # Start QNIO server on image directory for vxhs protocol 417 if [ $IMGPROTO = "vxhs" ]; then 418 eval "$QEMU_VXHS -d $TEST_DIR > /dev/null &" 419 sleep 1 # Wait for server to come up. 420 fi 421} 422 423_rm_test_img() 424{ 425 local img=$1 426 if [ "$IMGFMT" = "vmdk" ]; then 427 # Remove all the extents for vmdk 428 "$QEMU_IMG" info "$img" 2>/dev/null | grep 'filename:' | cut -f 2 -d: \ 429 | xargs -I {} rm -f "{}" 430 elif [ "$IMGFMT" = "qcow2" ]; then 431 # Remove external data file 432 if data_file=$(_get_data_file "$img"); then 433 rm -f "$data_file" 434 fi 435 fi 436 rm -f "$img" 437} 438 439_cleanup_test_img() 440{ 441 case "$IMGPROTO" in 442 443 nbd) 444 _stop_nbd_server 445 rm -f "$TEST_IMG_FILE" 446 ;; 447 vxhs) 448 if [ -f "${TEST_DIR}/qemu-vxhs.pid" ]; then 449 local QEMU_VXHS_PID 450 read QEMU_VXHS_PID < "${TEST_DIR}/qemu-vxhs.pid" 451 kill ${QEMU_VXHS_PID} >/dev/null 2>&1 452 rm -f "${TEST_DIR}/qemu-vxhs.pid" 453 fi 454 rm -f "$TEST_IMG_FILE" 455 ;; 456 457 file) 458 _rm_test_img "$TEST_DIR/t.$IMGFMT" 459 _rm_test_img "$TEST_DIR/t.$IMGFMT.orig" 460 _rm_test_img "$TEST_DIR/t.$IMGFMT.base" 461 if [ -n "$SAMPLE_IMG_FILE" ] 462 then 463 rm -f "$TEST_DIR/$SAMPLE_IMG_FILE" 464 SAMPLE_IMG_FILE= 465 TEST_IMG="$ORIG_TEST_IMG" 466 fi 467 ;; 468 469 rbd) 470 rbd --no-progress rm "$TEST_DIR/t.$IMGFMT" > /dev/null 471 ;; 472 473 sheepdog) 474 collie vdi delete "$TEST_DIR/t.$IMGFMT" 475 ;; 476 477 esac 478} 479 480_check_test_img() 481{ 482 ( 483 if [ "$IMGOPTSSYNTAX" = "true" ]; then 484 $QEMU_IMG check $QEMU_IMG_EXTRA_ARGS "$@" "$TEST_IMG" 2>&1 485 else 486 $QEMU_IMG check "$@" -f $IMGFMT "$TEST_IMG" 2>&1 487 fi 488 ) | _filter_testdir | _filter_qemu_img_check 489 490 # return real qemu_img check status, to analyze in 491 # _check_test_img_ignore_leaks 492 return ${PIPESTATUS[0]} 493} 494 495_check_test_img_ignore_leaks() 496{ 497 out=$(_check_test_img "$@") 498 status=$? 499 if [ $status = 3 ]; then 500 # This must correspond to success output in dump_human_image_check() 501 echo "No errors were found on the image." 502 return 0 503 fi 504 echo "$out" 505 return $status 506} 507 508_img_info() 509{ 510 if [[ "$1" == "--format-specific" ]]; then 511 local format_specific=1 512 shift 513 else 514 local format_specific=0 515 fi 516 517 discard=0 518 regex_json_spec_start='^ *"format-specific": \{' 519 $QEMU_IMG info $QEMU_IMG_EXTRA_ARGS "$@" "$TEST_IMG" 2>&1 | \ 520 sed -e "s#$REMOTE_TEST_DIR#TEST_DIR#g" \ 521 -e "s#$IMGPROTO:$TEST_DIR#TEST_DIR#g" \ 522 -e "s#$TEST_DIR#TEST_DIR#g" \ 523 -e "s#$IMGFMT#IMGFMT#g" \ 524 -e "/^disk size:/ D" \ 525 -e "/actual-size/ D" | \ 526 while IFS='' read -r line; do 527 if [[ $format_specific == 1 ]]; then 528 discard=0 529 elif [[ $line == "Format specific information:" ]]; then 530 discard=1 531 elif [[ $line =~ $regex_json_spec_start ]]; then 532 discard=2 533 regex_json_spec_end="^${line%%[^ ]*}\\},? *$" 534 fi 535 if [[ $discard == 0 ]]; then 536 echo "$line" 537 elif [[ $discard == 1 && ! $line ]]; then 538 echo 539 discard=0 540 elif [[ $discard == 2 && $line =~ $regex_json_spec_end ]]; then 541 discard=0 542 fi 543 done 544} 545 546# bail out, setting up .notrun file 547# 548_notrun() 549{ 550 echo "$*" >"$OUTPUT_DIR/$seq.notrun" 551 echo "$seq not run: $*" 552 status=0 553 exit 554} 555 556# bail out, setting up .casenotrun file 557# The function _casenotrun() is used as a notifier. It is the 558# caller's responsibility to make skipped a particular test. 559# 560_casenotrun() 561{ 562 echo " [case not run] $*" >>"$OUTPUT_DIR/$seq.casenotrun" 563} 564 565# just plain bail out 566# 567_fail() 568{ 569 echo "$*" | tee -a "$OUTPUT_DIR/$seq.full" 570 echo "(see $seq.full for details)" 571 status=1 572 exit 1 573} 574 575# tests whether $IMGFMT is one of the supported image formats for a test 576# 577_supported_fmt() 578{ 579 # "generic" is suitable for most image formats. For some formats it doesn't 580 # work, however (most notably read-only formats), so they can opt out by 581 # setting IMGFMT_GENERIC to false. 582 for f; do 583 if [ "$f" = "$IMGFMT" -o "$f" = "generic" -a "$IMGFMT_GENERIC" = "true" ]; then 584 return 585 fi 586 done 587 588 _notrun "not suitable for this image format: $IMGFMT" 589} 590 591# tests whether $IMGFMT is one of the unsupported image format for a test 592# 593_unsupported_fmt() 594{ 595 for f; do 596 if [ "$f" = "$IMGFMT" ]; then 597 _notrun "not suitable for this image format: $IMGFMT" 598 fi 599 done 600} 601 602# tests whether $IMGPROTO is one of the supported image protocols for a test 603# 604_supported_proto() 605{ 606 for f; do 607 if [ "$f" = "$IMGPROTO" -o "$f" = "generic" ]; then 608 return 609 fi 610 done 611 612 _notrun "not suitable for this image protocol: $IMGPROTO" 613} 614 615# tests whether $IMGPROTO is specified as an unsupported image protocol for a test 616# 617_unsupported_proto() 618{ 619 for f; do 620 if [ "$f" = "$IMGPROTO" ]; then 621 _notrun "not suitable for this image protocol: $IMGPROTO" 622 return 623 fi 624 done 625} 626 627# tests whether the host OS is one of the supported OSes for a test 628# 629_supported_os() 630{ 631 for h 632 do 633 if [ "$h" = "$HOSTOS" ] 634 then 635 return 636 fi 637 done 638 639 _notrun "not suitable for this OS: $HOSTOS" 640} 641 642_supported_cache_modes() 643{ 644 for mode; do 645 if [ "$mode" = "$CACHEMODE" ]; then 646 return 647 fi 648 done 649 _notrun "not suitable for cache mode: $CACHEMODE" 650} 651 652_default_cache_mode() 653{ 654 if $CACHEMODE_IS_DEFAULT; then 655 CACHEMODE="$1" 656 QEMU_IO="$QEMU_IO --cache $1" 657 return 658 fi 659} 660_supported_aio_modes() 661{ 662 for mode; do 663 if [ "$mode" = "$AIOMODE" ]; then 664 return 665 fi 666 done 667 _notrun "not suitable for aio mode: $AIOMODE" 668} 669_default_aio_mode() 670{ 671 AIOMODE="$1" 672 QEMU_IO="$QEMU_IO --aio $1" 673} 674 675_unsupported_imgopts() 676{ 677 for bad_opt 678 do 679 if echo "$IMGOPTS" | grep -q 2>/dev/null "$bad_opt" 680 then 681 _notrun "not suitable for image option: $bad_opt" 682 fi 683 done 684} 685 686# this test requires that a specified command (executable) exists 687# 688_require_command() 689{ 690 if [ "$1" = "QEMU" ]; then 691 c=$QEMU_PROG 692 elif [ "$1" = "QEMU_IMG" ]; then 693 c=$QEMU_IMG_PROG 694 elif [ "$1" = "QEMU_IO" ]; then 695 c=$QEMU_IO_PROG 696 elif [ "$1" = "QEMU_NBD" ]; then 697 c=$QEMU_NBD_PROG 698 else 699 eval c=\$$1 700 fi 701 [ -x "$c" ] || _notrun "$1 utility required, skipped this test" 702} 703 704# Check that a set of drivers has been whitelisted in the QEMU binary 705# 706_require_drivers() 707{ 708 available=$($QEMU -drive format=help | \ 709 sed -e '/Supported formats:/!d' -e 's/Supported formats://') 710 for driver 711 do 712 if ! echo "$available" | grep -q " $driver\( \|$\)"; then 713 _notrun "$driver not available" 714 fi 715 done 716} 717 718# Check that we have a file system that allows huge (but very sparse) files 719# 720_require_large_file() 721{ 722 if ! truncate --size="$1" "$TEST_IMG"; then 723 _notrun "file system on $TEST_DIR does not support large enough files" 724 fi 725 rm "$TEST_IMG" 726} 727 728# Check that a set of devices is available in the QEMU binary 729# 730_require_devices() 731{ 732 available=$($QEMU -M none -device help | \ 733 grep ^name | sed -e 's/^name "//' -e 's/".*$//') 734 for device 735 do 736 if ! echo "$available" | grep -q "$device" ; then 737 _notrun "$device not available" 738 fi 739 done 740} 741 742# make sure this script returns success 743true 744