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/qemu/tests/qemu-iotests/
H A D051.out7 Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=,if=none,id=drive0
8 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=,if=none,id=drive0: Block format '…
10 Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=on,if=none,id=drive0
11 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=on,if=none,id=drive0: Block format…
13 Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=1234,if=none,id=drive0
14 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=1234,if=none,id=drive0: Block form…
16 Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=foo,if=none,id=drive0
17 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=foo,if=none,id=drive0: Block forma…
22 Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,file.unknown_opt=
23 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,file.unknown_opt=: Block protocol 'file' doesn…
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H A D142.out8 Testing: -drive file=TEST_DIR/t.qcow2,cache=none
12 Testing: -drive file=TEST_DIR/t.qcow2,cache=directsync
16 Testing: -drive file=TEST_DIR/t.qcow2,cache=writeback
20 Testing: -drive file=TEST_DIR/t.qcow2,cache=writethrough
24 Testing: -drive file=TEST_DIR/t.qcow2,cache=unsafe
28 Testing: -drive file=TEST_DIR/t.qcow2,cache=invalid_value
29 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,cache=invalid_value: invalid cache option
44 cache.direct=on on file
58 cache.direct=on on backing-file
73 cache.writeback=off on file
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H A D051.pc.out7 Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=,if=none,id=drive0
8 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=,if=none,id=drive0: Block format '…
10 Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=on,if=none,id=drive0
11 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=on,if=none,id=drive0: Block format…
13 Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=1234,if=none,id=drive0
14 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=1234,if=none,id=drive0: Block form…
16 Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=foo,if=none,id=drive0
17 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=foo,if=none,id=drive0: Block forma…
22 Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,file.unknown_opt=
23 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,file.unknown_opt=: Block protocol 'file' doesn…
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H A D05141 _supported_proto file
44 # it also will not support an external data file and compression type
85 run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=,if=none,id=$device_id
86 run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=on,if=none,id=$device_id
87 run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=1234,if=none,id=$device_id
88 run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=foo,if=none,id=$device_id
94 run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=
95 run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=on
96 run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=1234
97 run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=foo
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H A D26742 _supported_proto file
95 run_test -drive driver=file,file="$TEST_IMG",if=none
96 run_test -drive driver=$IMGFMT,file="$TEST_IMG",if=none
97 run_test -drive driver=$IMGFMT,file="$TEST_IMG",if=none -device virtio-blk,drive=none0
103 run_test -drive driver=file,file="$TEST_IMG",if=virtio
104 run_test -drive driver=$IMGFMT,file="$TEST_IMG",if=virtio
110 run_test -blockdev driver=file,filename="$TEST_IMG",node-name=file
111 run_test -blockdev driver=file,filename="$TEST_IMG",node-name=file \
112 -blockdev driver=$IMGFMT,file=file,node-name=fmt
113 run_test -blockdev driver=file,filename="$TEST_IMG",node-name=file \
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H A D232.out6 NODE_NAME: TEST_DIR/t.IMGFMT (file, read-only)
7 NODE_NAME: TEST_DIR/t.IMGFMT (file, read-only)
8 NODE_NAME: TEST_DIR/t.IMGFMT (file, read-only)
10 NODE_NAME: TEST_DIR/t.IMGFMT (file)
11 NODE_NAME: TEST_DIR/t.IMGFMT (file)
12 NODE_NAME: TEST_DIR/t.IMGFMT (file)
14 NODE_NAME: TEST_DIR/t.IMGFMT (file)
15 NODE_NAME: TEST_DIR/t.IMGFMT (file)
16 NODE_NAME: TEST_DIR/t.IMGFMT (file)
20 NODE_NAME: TEST_DIR/t.IMGFMT (file, read-only)
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H A D23244 _supported_proto file
69 echo "info block -n" | run_qemu "$@" | grep -e "(file" -e "QEMU_PROG"
90 run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,read-only=on,auto-read-only=off
91 run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,read-only=on,auto-read-only=on
92 run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,read-only=on
94 run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,read-only=off,auto-read-only=off
95 run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,read-only=off,auto-read-only=on
96 run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,read-only=off
98 run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,auto-read-only=off
99 run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,auto-read-only=on
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H A D14241 _supported_proto file
76 run_qemu -drive file="$TEST_IMG",cache=none
77 run_qemu -drive file="$TEST_IMG",cache=directsync
78 run_qemu -drive file="$TEST_IMG",cache=writeback
79 run_qemu -drive file="$TEST_IMG",cache=writethrough
80 run_qemu -drive file="$TEST_IMG",cache=unsafe
81 run_qemu -drive file="$TEST_IMG",cache=invalid_value
87 files="if=none,file=$TEST_IMG,backing.file.filename=$TEST_IMG.base"
88 …s="node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=fi…
92 # cache.direct is supposed to be inherited by both bs->file and
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H A D267.out20 Testing: -drive driver=file,file=TEST_DIR/t.IMGFMT,if=none
31 Testing: -drive driver=IMGFMT,file=TEST_DIR/t.IMGFMT,if=none
42 Testing: -drive driver=IMGFMT,file=TEST_DIR/t.IMGFMT,if=none -device virtio-blk,drive=none0
56 Testing: -drive driver=file,file=TEST_DIR/t.IMGFMT,if=virtio
67 Testing: -drive driver=IMGFMT,file=TEST_DIR/t.IMGFMT,if=virtio
81 Testing: -blockdev driver=file,filename=TEST_DIR/t.IMGFMT,node-name=file
84 Error: Device 'file' is writable but does not support snapshots
88 Error: Device 'file' is writable but does not support snapshots
92 Testing: -blockdev driver=file,filename=TEST_DIR/t.IMGFMT,node-name=file -blockdev driver=IMGFMT,fi…
103 …blockdev driver=file,filename=TEST_DIR/t.IMGFMT,node-name=file -blockdev driver=raw,file=file,node…
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H A D228.out1 --- Implicit backing file ---
3 {"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename"…
7 bs->backing_file: file:TEST_DIR/PID-base.img
13 --- change-backing-file ---
15 {"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename"…
17 {"execute": "change-backing-file", "arguments": {"backing-file": "null-co://", "device": "node0", "…
20 …{"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-base.img"}}, "driver": "…
24 {"execute": "change-backing-file", "arguments": {"backing-file": "TEST_DIR/PID-base.img", "device":…
31 {"execute": "change-backing-file", "arguments": {"backing-file": "file:TEST_DIR/PID-base.img", "dev…
34 …{"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-base.img"}}, "driver": "…
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H A D24444 _supported_proto file
47 # our own external data file, we cannot let the user specify one
51 echo "=== Create and open image with external data file ==="
54 echo "With data file name in the image:"
59 $QEMU_IO -c "open -odata-file.filename=$TEST_IMG.data $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filte…
60 $QEMU_IO -c "open -odata-file.filename=inexistent $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qe…
63 echo "Data file required, but without data file name in the image:"
67 $QEMU_IO -c "open -odata-file.filename=$TEST_IMG.data $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filte…
68 $QEMU_IO -c "open -odata-file.filename=inexistent $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qe…
71 echo "Setting data-file for an image with internal data:"
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H A D224.out4 …file": {"driver": "file", "filename": "TEST_DIR/PID-base.img"}, "node-name": "base"}, "driver": "I…
6 …file\": {\"driver\": \"file\", \"filename\": \"TEST_DIR/PID-base.img\"}}", "device": "top", "job-i…
13 …file": {"driver": "file", "filename": "TEST_DIR/PID-base.img"}, "node-name": "base"}, "driver": "I…
15 …file\": {\"driver\": \"file\", \"filename\": \"TEST_DIR/PID-base.img\"}}", "device": "top", "filte…
H A D2284 # Test for when a backing file is considered overridden (thus, a
28 # Need backing file and change-backing-file support
60 'file:' + base_img_path, '-F', iotests.imgfmt,
65 log('--- Implicit backing file ---')
71 file={
72 'driver': 'file',
78 # not contain the "file:" prefix
84 log('--- change-backing-file ---')
90 file={
91 'driver': 'file',
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H A D09947 _supported_proto file
61 # Get the "file": "foo" entry ($foo may only contain escaped double quotes,
65 | sed -e 's/^.*"file": "\(\(\\"\|[^"]\)*\)".*$/\1/' -e 's/\\"/"/g'
90 test_qemu "file=blkverify:$TEST_IMG.compare:$TEST_IMG"
97 test_qemu "file.driver=blkverify,file.raw.filename=$TEST_IMG.compare,file.test.file.filename=$TEST_…
103 # blkdebug cannot create a configuration file, therefore it is unable to
105 test_qemu "file.driver=blkdebug,file.image.filename=$TEST_IMG,file.inject-error.0.event=l1_update"
113 …emu "file.driver=blkverify,file.raw.filename=$TEST_IMG.compare,file.test.file.driver=blkdebug,file…
120 test_qemu "file.driver=blkdebug,file.config=$TEST_DIR/blkdebug.conf,file.image.filename=$TEST_IMG"
123 echo '=== Testing plain filename for blkdebug without configuration file ==='
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H A D08143 _supported_proto file
62 quorum="driver=raw,file.driver=quorum,file.vote-threshold=2"
63 quorum="$quorum,file.children.0.file.filename=$TEST_DIR/1.raw"
64 quorum="$quorum,file.children.1.file.filename=$TEST_DIR/2.raw"
65 quorum="$quorum,file.children.2.file.filename=$TEST_DIR/3.raw"
66 quorum="$quorum,file.children.0.driver=raw"
67 quorum="$quorum,file.children.1.driver=raw"
68 quorum="$quorum,file.children.2.driver=raw"
110 "file": {
111 "driver": "file",
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H A D266.out1 --- Creating empty file ---
2 {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filen…
7 {"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.vpc", "node…
12 {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vpc", "file":…
19 file format: IMGFMT
23 --- Creating empty file ---
24 {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filen…
29 {"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.vpc", "node…
34 {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vpc", "file":…
41 file format: IMGFMT
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H A D24745 _supported_proto file fuse
50 echo "=== Try commit to backing file with auto-read-only ==="
70 -blockdev file,node-name=file-0,filename=$TEST_IMG.0,auto-read-only=on \
71 -blockdev $IMGFMT,node-name=format-0,file=file-0,read-only=on \
72 -blockdev file,node-name=file-1,filename=$TEST_IMG.1,auto-read-only=on \
73 -blockdev $IMGFMT,node-name=format-1,file=file-1,read-only=on,backing=format-0 \
74 -blockdev file,node-name=file-2,filename=$TEST_IMG.2,auto-read-only=on \
75 -blockdev $IMGFMT,node-name=format-2,file=file-2,read-only=on,backing=format-1 \
76 -blockdev file,node-name=file-3,filename=$TEST_IMG.3,auto-read-only=on \
77 -blockdev $IMGFMT,node-name=format-3,file=file-3,read-only=on,backing=format-2 \
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H A D17243 _supported_proto file
83 QEMU_OPTIONS="" do_run_qemu -drive if=none,file="$TEST_IMG" "$@" |
122 check_floppy_qtree -drive if=floppy,file="$TEST_IMG"
123 check_floppy_qtree -drive if=floppy,file="$TEST_IMG",index=1
124 check_floppy_qtree -drive if=floppy,file="$TEST_IMG" -drive if=floppy,file="$TEST_IMG.2",index=1
130 check_floppy_qtree -drive if=none,file="$TEST_IMG" -device floppy,drive=none0
131 check_floppy_qtree -drive if=none,file="$TEST_IMG" -device floppy,drive=none0,unit=1
132 check_floppy_qtree -drive if=none,file="$TEST_IMG" -drive if=none,file="$TEST_IMG.2" \
140 check_floppy_qtree -fda "$TEST_IMG" -drive if=none,file="$TEST_IMG.2" -global floppy.drive=none0
147 check_floppy_qtree -fda "$TEST_IMG" -drive if=none,file="$TEST_IMG.2" -device floppy,drive=none0
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H A D206.out3 {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filen…
8 {"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2", "no…
10 {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file…
16 file format: IMGFMT
29 {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filen…
34 …: "job0", "options": {"cluster-size": 65536, "driver": "qcow2", "file": {"driver": "file", "filena…
40 file format: IMGFMT
53 {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filen…
58 …"job0", "options": {"cluster-size": 2097152, "driver": "qcow2", "file": {"driver": "file", "filena…
64 file format: IMGFMT
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H A D2064 # Test qcow2 and file image creation
28 supported_protocols=['file'])
46 vm.blockdev_create({ 'driver': 'file',
52 driver='file', filename=disk_path,
56 'file': 'imgfile',
72 vm.blockdev_create({ 'driver': 'file',
79 'file': {
80 'driver': 'file',
103 vm.blockdev_create({ 'driver': 'file',
110 'file': {
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/qemu/scripts/
H A Danalyze-migration.py38 self.file = open(self.filename, "rb")
41 return int.from_bytes(self.file.read(8), byteorder='big', signed=False)
44 return int.from_bytes(self.file.read(4), byteorder='big', signed=False)
47 return int.from_bytes(self.file.read(2), byteorder='big', signed=False)
50 return int.from_bytes(self.file.read(1), byteorder='big', signed=True)
60 value = self.file.read(size)
62 raise Exception("Unexpected end of %s at 0x%x" % (self.filename, self.file.tell()))
66 return self.file.tell()
69 return self.file.seek(a, b)
71 # The VMSD description is at the end of the file, after EOF. Look for
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/qemu/tests/qemu-iotests/tests/
H A Dvvfat50 with open(os.path.join(filesystem, f"file{i}.txt"),
188 self.assertEqual(len(root_dir), 13) # 12 + 1 special file
191 "QEMU VVF.AT": 0, # special empty file
233 file = fat16.find_direntry(f"/FILE{i}.TXT")
234 self.assertIsNotNone(file)
236 fat16.read_file(file), f"Hello, world! {i}\n".encode("ascii")
251 Similar to `test_write_file_in_same_content`, but we write the file
257 file = fat16.find_direntry("/FILE0.TXT")
258 self.assertIsNotNone(file)
260 data = fat16.read_cluster(file.cluster)
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/qemu/docs/system/
H A Ddevice-url-syntax.rst.inc2 In addition to using normal file images for the emulated storage
16 the command line or a configuration file.
30 -drive file=iscsi://192.0.2.1/iqn.2001-04.com.example/1
36 |qemu_system| -drive file=iscsi://user%password@192.0.2.1/iqn.2001-04.com.example/1
44 |qemu_system| -drive file=iscsi://192.0.2.1/iqn.2001-04.com.example/1
67 |qemu_system| --drive file=nbd:192.0.2.1:30000
73 |qemu_system| --drive file=nbd:unix:/tmp/nbd-socket
82 |qemu_system| -drive file=ssh://user@host/path/to/disk.img
83 …|qemu_system| -drive file.driver=ssh,file.user=user,file.host=host,file.port=22,file.path=/path/to…
89 GlusterFS is a user space distributed file system. QEMU supports the
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/qemu/chardev/
H A Dchar-file.c42 ChardevFile *file = backend->u.file.data; in qmp_chardev_open_file() local
48 if (file->in) { in qmp_chardev_open_file()
49 error_setg(errp, "input file not supported"); in qmp_chardev_open_file()
53 if (file->has_append && file->append) { in qmp_chardev_open_file()
54 /* Append to file if it already exists. */ in qmp_chardev_open_file()
58 /* Truncate file if it already exists. */ in qmp_chardev_open_file()
63 out = CreateFile(file->out, accessmode, FILE_SHARE_READ, NULL, flags, in qmp_chardev_open_file()
66 error_setg(errp, "open %s failed", file->out); in qmp_chardev_open_file()
75 if (file->has_append && file->append) { in qmp_chardev_open_file()
81 out = qmp_chardev_open_file_source(file->out, flags, errp); in qmp_chardev_open_file()
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/qemu/tests/qtest/migration/
H A Dfile-tests.c2 * QTest testcases for migration to file
9 * See the COPYING file in the top-level directory.
25 g_autofree char *uri = g_strdup_printf("file:%s/%s", tmpfs, in test_precopy_file()
36 static void fdset_add_fds(QTestState *qts, const char *file, int flags, in fdset_add_fds() argument
49 fd = open(file, flags, 0660); in fdset_add_fds()
61 g_autofree char *file = g_strdup_printf("%s/%s", tmpfs, FILE_TEST_FILENAME); in migrate_hook_start_file_offset_fdset() local
63 fdset_add_fds(from, file, O_WRONLY, 1, false); in migrate_hook_start_file_offset_fdset()
64 fdset_add_fds(to, file, O_RDONLY, 1, false); in migrate_hook_start_file_offset_fdset()
71 g_autofree char *uri = g_strdup_printf("file:/dev/fdset/1,offset=%d", in test_precopy_file_offset_fdset()
85 g_autofree char *uri = g_strdup_printf("file:%s/%s,offset=%d", tmpfs, in test_precopy_file_offset()
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