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/qemu/tests/qemu-iotests/
H A D257.out4 --- Preparing image & VM ---
6 {"execute": "blockdev-add", "arguments": {"driver": "qcow2", "file": {"driver": "file", "filename":…
9 --- Write #0 ---
11 write -P0x49 0x0000000 0x10000
13 write -P0x6c 0x0100000 0x10000
15 write -P0x6f 0x2000000 0x10000
17 write -P0x76 0x3ff0000 0x10000
23 --- Reference Backup #0 ---
26 {"execute": "job-dismiss", "arguments": {"id": "bdc-file-job"}}
30 {"execute": "job-dismiss", "arguments": {"id": "bdc-fmt-job"}}
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H A D258.out5 {"execute": "object-add", "arguments": {"id": "tg", "limits": {"iops-write": 1, "iops-write-max": 1…
7 …-add", "arguments": {"backing": {"backing": {"backing": {"backing": {"driver": "raw", "file": {"dr…
9 …k-commit", "arguments": {"auto-finalize": false, "base-node": "node0", "device": "node4", "filter-…
11 {"execute": "block-stream", "arguments": {"base-node": "commit-filter", "device": "node3", "job-id"…
13 {"execute": "job-finalize", "arguments": {"id": "commit"}}
16 {"data": {"device": "commit", "len": 67108864, "offset": 67108864, "speed": 0, "type": "commit"}, "…
17 {"data": {"device": "stream", "len": 67108864, "offset": 67108864, "speed": 0, "type": "stream"}, "…
21 {"execute": "object-add", "arguments": {"id": "tg", "limits": {"iops-write": 1, "iops-write-max": 1…
23 …-add", "arguments": {"backing": {"backing": {"backing": {"backing": {"driver": "raw", "file": {"dr…
25 …k-commit", "arguments": {"auto-finalize": false, "base-node": "node0", "device": "node4", "filter-…
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H A D21921 # Check using the job-* QMP commands with block jobs
32 result = vm.qmp('query-jobs')
37 # Test that block-job-pause/resume and job-pause/resume can be mixed
39 for pause_cmd, pause_arg in [('block-job-pause', 'device'),
40 ('job-pause', 'id')]:
41 for resume_cmd, resume_arg in [('block-job-resume', 'device'),
42 ('job-resume', 'id')]:
48 result = vm.qmp('query-jobs')
51 old_progress = result['return'][0]['current-progress']
52 total_progress = result['return'][0]['total-progress']
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H A D185.out11 { 'execute': 'blockdev-snapshot-sync',
13 'snapshot-file': 'TEST_DIR/t.IMGFMT.mid',
15 'mode': 'absolute-paths' } }
18 { 'execute': 'human-monitor-command',
19 'arguments': { 'command-line':
20 'qemu-io disk "write 0 4M"' } }
24 { 'execute': 'blockdev-snapshot-sync',
26 'snapshot-file': 'TEST_DIR/t.IMGFMT',
28 'mode': 'absolute-paths' } }
34 { 'execute': 'block-commit',
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H A D18537 if [ -f "$TEST_DIR/qsd.pid" ]; then
38 kill -SIGKILL "$(cat "$TEST_DIR/qsd.pid")"
39 rm -f "$TEST_DIR/qsd.pid"
41 rm -f "$SOCK_DIR/qsd.sock"
64 -drive file="${TEST_IMG}.base",cache=$CACHEMODE,aio=$AIOMODE,driver=$IMGFMT,id=disk
73 "{ 'execute': 'blockdev-snapshot-sync',
75 'snapshot-file': '$TEST_IMG.mid',
77 'mode': 'absolute-paths' } }" \
81 "{ 'execute': 'human-monitor-command',
82 'arguments': { 'command-line':
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H A D15138 qemu_img('create', '-f', iotests.imgfmt, source_img, '128M')
39 qemu_img('create', '-f', iotests.imgfmt, target_img, '128M')
43 'node-name': 'source-node',
49 blk_target = {'node-name': 'target-node',
57 self.vm.add_device('virtio-blk,id=vblk,drive=source')
73 'write -P 1 0 %i' % self.image_len);
77 self.vm.hmp_qemu_io('source', 'aio_write -P 2 %i 1M' % offset)
79 self.vm.hmp_qemu_io('source', 'aio_write -z %i 1M' % offset)
82 self.vm.cmd('blockdev-mirror',
84 filter_node_name='mirror-node',
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H A D2204 # max limits on compression in huge qcow2 files
51 _make_test_img -o 'cluster_size=2M,refcount_bits=1' 513T
62 truncate --size=38m "$TEST_IMG"
64 $QEMU_IO_PROG -f raw -c "w -P 0xff 4m 2m" "$TEST_IMG" | _filter_qemu_io
68 $QEMU_IO_PROG -f raw -c "w -P 0xff $offs 2m" "$TEST_IMG" | _filter_qemu_io
72 # FIXME: 'qemu-img check' doesn't diagnose refcounts beyond the end of
75 stat -c 'image size %s' "$TEST_IMG"
80 $QEMU_IO_PROG -c 'w -c 0 2m' "$TEST_IMG" | _filter_qemu_io
82 stat -c 'image size %s' "$TEST_IMG"
86 $QEMU_IO_PROG -c 'w 0 2m' "$TEST_IMG" | _filter_qemu_io
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/qemu/tests/bench/
H A Dbufferiszero-bench.c2 * QEMU buffer_is_zero speed benchmark
6 * top-level directory.
14 size_t max = 64 * KiB; in test() local
15 void *buf = g_malloc0(max); in test()
22 for (size_t len = 1 * KiB; len <= max; len *= 4) { in test()
45 g_test_add_data_func("/cutils/bufferiszero/speed", NULL, test); in main()
/qemu/tests/qemu-iotests/tests/
H A Dmigrate-during-backup40 qemu_img_create('-f', iotests.imgfmt, disk_a, size)
41 qemu_img_create('-f', iotests.imgfmt, disk_b, size)
42 qemu_io('-c', f'write 0 {size}', disk_a)
46 self.vm.cmd('blockdev-add', {
47 'node-name': 'target',
56 self.vm.cmd('blockdev-backup', device='drive0',
58 speed=1, x_perf={
59 'max-workers': 1,
60 'max-chunk': 64 * 1024
63 self.vm.cmd('job-pause', id='drive0')
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/qemu/include/standard-headers/linux/
H A Dpci_regs.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
5 * Copyright 1997--1999 Martin Mares <mj@ucw.cz>
25 * Conventional PCI and PCI-X Mode 1 devices have 256 bytes of
26 * configuration space. PCI-X Mode 2 and PCIe devices have 4096 bytes of
50 #define PCI_COMMAND_FAST_BACK 0x200 /* Enable back-to-back writes */
59 #define PCI_STATUS_FAST_BACK 0x80 /* Accept fast-back to back */
83 #define PCI_HEADER_TYPE_MFD 0x80 /* Multi-Function Device (possible) */
124 /* 0x35-0x3b are reserved */
130 /* Header type 1 (PCI-to-PCI bridges) */
158 /* 0x35-0x3b is reserved */
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H A Dvirtio_net.h28 #include "standard-headers/linux/types.h"
29 #include "standard-headers/linux/virtio_ids.h"
30 #include "standard-headers/linux/virtio_config.h"
31 #include "standard-headers/linux/virtio_types.h"
32 #include "standard-headers/linux/if_ether.h"
59 #define VIRTIO_NET_F_DEVICE_STATS 50 /* Device can provide device-level statistics. */
105 * speed, in units of 1Mb. All values 0 to INT_MAX are legal.
108 uint32_t speed; member
110 * 0x00 - half duplex
111 * 0x01 - full duplex
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/qemu/include/qemu/
H A Dratelimit.h10 * See the COPYING.LIB file in the top-level directory.
45 QEMU_LOCK_GUARD(&limit->lock); in ratelimit_calculate_delay()
46 if (!limit->slice_quota) { in ratelimit_calculate_delay()
50 assert(limit->slice_ns); in ratelimit_calculate_delay()
52 if (limit->slice_end_time < now) { in ratelimit_calculate_delay()
55 limit->slice_start_time = now; in ratelimit_calculate_delay()
56 limit->slice_end_time = now + limit->slice_ns; in ratelimit_calculate_delay()
57 limit->dispatched = 0; in ratelimit_calculate_delay()
60 limit->dispatched += n; in ratelimit_calculate_delay()
61 if (limit->dispatched < limit->slice_quota) { in ratelimit_calculate_delay()
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/qemu/block/
H A Dbackup.c11 * See the COPYING file in the top-level directory.
22 #include "block/block-copy.h"
23 #include "block/dirty-bitmap.h"
26 #include "system/block-backend.h"
28 #include "qemu/error-report.h"
30 #include "block/copy-before-write.h"
59 bool sync = (((ret == 0) || (job->bitmap_mode == BITMAP_SYNC_MODE_ALWAYS)) \ in backup_cleanup_sync_bitmap()
60 && (job->bitmap_mode != BITMAP_SYNC_MODE_NEVER)); in backup_cleanup_sync_bitmap()
67 bm = bdrv_dirty_bitmap_abdicate(job->sync_bitmap, NULL); in backup_cleanup_sync_bitmap()
73 bm = bdrv_reclaim_dirty_bitmap(job->sync_bitmap, NULL); in backup_cleanup_sync_bitmap()
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/qemu/qapi/
H A Dblock-core.json1 # -*- Mode: Python -*-
20 # @vm-state-size: size of the VM state
22 # @date-sec: UTC date of the snapshot in seconds
24 # @date-nsec: fractional part in nano seconds to be used with date-sec
26 # @vm-clock-sec: VM clock relative to boot in seconds
28 # @vm-clock-nsec: fractional part in nano seconds to be used with
29 # vm-clock-sec
32 # record/replay is enabled. Used for "time-traveling" to match
34 # counter may be obtained through @query-replay command
40 'data': { 'id': 'str', 'name': 'str', 'vm-state-size': 'int',
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H A Dmigration.json1 # -*- Mode: Python -*-
28 # @normal-bytes: number of normal bytes sent (since 1.2)
30 # @dirty-pages-rate: number of pages dirtied by second by the guest
35 # @dirty-sync-count: number of times that dirty ram was synchronized
38 # @postcopy-requests: The number of page requests received from the
41 # @page-size: The number of bytes per page for the various page-based
44 # @multifd-bytes: The number of bytes sent through multifd (since 3.0)
46 # @pages-per-second: the number of memory pages transferred per second
49 # @precopy-bytes: The number of bytes sent in the pre-copy phase
52 # @downtime-bytes: The number of bytes sent while the guest is paused
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/qemu/
H A Dblockdev.c4 * Copyright (c) 2003-2008 Fabrice Bellard
7 * later. See the COPYING file in the top-level directory.
12 * Copyright (c) 2003-2008 Fabrice Bellard
34 #include "system/block-backend.h"
38 #include "block/dirty-bitmap.h"
40 #include "block/throttle-groups.h"
42 #include "qemu/error-report.h"
44 #include "qemu/qemu-print.h"
45 #include "qemu/config-file.h"
46 #include "qapi/qapi-commands-block.h"
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/qemu/tests/tcg/i386/
H A DMakefile.target8 config-cc.mak: Makefile
9 $(quiet-@)( \
10 $(call cc-option,-fno-pie, CROSS_CC_HAS_I386_NOPIE)) 3> config-cc.mak
12 -include config-cc.mak
16 SKIP_I386_TESTS=test-i386-ssse3 test-avx test-3dnow test-mmx test-flags
17 X86_64_TESTS:=$(filter test-i386-adcox test-i386-bmi2 $(SKIP_I386_TESTS), $(ALL_X86_TESTS))
19 test-i386-sse-exceptions: CFLAGS += -msse4.1 -mfpmath=sse
20 run-test-i386-sse-exceptions: QEMU_OPTS += -cpu max
22 test-i386-pcmpistri: CFLAGS += -msse4.2
23 run-test-i386-pcmpistri: QEMU_OPTS += -cpu max
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/qemu/hw/smbios/
H A Dsmbios.c4 * Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
12 * the COPYING file in the top-level directory.
14 * Contributions after 2012-01-13 are licensed under the terms of the
21 #include "qemu/config-file.h"
34 * SMBIOS tables provided by user with '-smbios file=<foo>' option
110 uint16_t speed; member
302 .name = "max-speed",
304 .help = "max speed in MHz",
306 .name = "current-speed",
308 .help = "speed at system boot in MHz",
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/qemu/hw/usb/
H A Dbus.c2 #include "hw/qdev-properties.h"
5 #include "qapi/qapi-commands-machine.h"
6 #include "qapi/type-helpers.h"
7 #include "qemu/error-report.h"
24 DEFINE_PROP_BIT("msos-desc", USBDevice, flags,
34 k->print_dev = usb_bus_dev_print; in usb_bus_class_init()
35 k->get_dev_path = usb_get_dev_path; in usb_bus_class_init()
36 k->get_fw_dev_path = usb_get_fw_dev_path; in usb_bus_class_init()
37 hc->unplug = qdev_simple_device_unplug_cb; in usb_bus_class_init()
58 if (dev->state == USB_STATE_NOTATTACHED) { in usb_device_post_load()
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/qemu/tests/qtest/migration/
H A Dframework.h2 * Copyright (c) 2016-2018 Red Hat, Inc. and/or its affiliates
3 * based on the vhost-user-test.c that is:
7 * See the COPYING file in the top-level directory.
15 #include <qapi/qapi-types-migration.h>
52 * before QEMU has terminated (unless it self-terminated
72 * low value, with tiny max downtime too. This basically
76 * so we can't let the entire migration pass run at this speed.
81 * Before migration starts, we write a 64-bit magic marker
85 * proof that start_address -> MAGIC_OFFSET_BASE has been
90 * is proof that start_address -> MAGIC_OFFSET_BASE
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/qemu/docs/
H A Drdma.txt31 data copies by bypassing the host networking stack. In particular, a TCP-based
32 migration, under certain types of memory-bound workloads, may take a more
38 over Converged Ethernet) as well as Infiniband-based. This implementation of
56 of RDMA migration may in fact be harmful to co-located VMs or other
65 bulk-phase round of the migration and can be enabled for extremely
66 high-performance RDMA hardware using the following command:
69 $ migrate_set_capability rdma-pin-all on # disabled by default
74 On the other hand, this will also significantly speed up the bulk round
89 First, set the migration speed to match your hardware's capabilities:
92 $ migrate_set_parameter max-bandwidth 40g # or whatever is the MAX of your RDMA device
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H A Dqcow2-cache.txt3 Copyright (C) 2015, 2018-2020 Igalia, S.L.
7 later. See the COPYING file in the top-level directory.
10 ------------
18 Please refer to the docs/interop/qcow2.rst file for an in-depth
23 --------
30 The 'qemu-img create' command supports specifying the size using the
33 qemu-img create -f qcow2 -o cluster_size=128K hd.qcow2 4G
37 -------------
38 The qcow2 format uses a two-level structure to map the virtual disk as
50 an L2 cache in memory to speed up disk access.
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/qemu/hw/char/
H A Dcadence_uart.c5 * - http://www.xilinx.com/support/documentation/user_guides/ug585-Zynq-7000-TRM.pdf
6 * - Chapter 19 UART Controller
7 * - Appendix B for Register details
27 #include "chardev/char-fe.h"
28 #include "chardev/char-serial.h"
34 #include "hw/qdev-clock.h"
35 #include "hw/qdev-properties-system.h"
127 s->r[R_SR] = 0; in uart_update_status()
129 s->r[R_SR] |= s->rx_count == CADENCE_UART_RX_FIFO_SIZE ? UART_SR_INTR_RFUL in uart_update_status()
131 s->r[R_SR] |= !s->rx_count ? UART_SR_INTR_REMPTY : 0; in uart_update_status()
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/qemu/migration/
H A Doptions.c4 * Copyright (c) 2012-2023 Red Hat Inc
11 * See the COPYING file in the top-level directory.
15 #include "qemu/error-report.h"
17 #include "qapi/clone-visitor.h"
19 #include "qapi/qapi-commands-migration.h"
20 #include "qapi/qapi-visit-migration.h"
28 #include "migration-stats.h"
29 #include "qemu-file.h"
38 #define MAX_THROTTLE (128 << 20) /* Migration transfer speed throttling */
57 /* 0: means nocompress, 1: best speed, ... 9: best compress ratio */
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/qemu/ui/
H A Dcocoa.m31 #include "qemu/help-texts.h"
32 #include "qemu-main.h"
36 #include "ui/kbd-state.h"
39 #include "system/runstate-action.h"
40 #include "system/cpu-throttle.h"
42 #include "qapi/qapi-commands-block.h"
43 #include "qapi/qapi-commands-machine.h"
44 #include "qapi/qapi-commands-misc.h"
46 #include "qemu-version.h"
48 #include "qemu/main-loop.h"
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