2010-12-16 15:07:07 +00:00
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/*
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* qemu_capabilities.h: QEMU capabilities generation
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*
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2012-01-17 12:44:18 +00:00
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* Copyright (C) 2006-2012 Red Hat, Inc.
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2010-12-16 15:07:07 +00:00
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* Copyright (C) 2006 Daniel P. Berrange
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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2012-09-20 22:30:55 +00:00
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* License along with this library. If not, see
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2012-07-21 10:06:23 +00:00
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* <http://www.gnu.org/licenses/>.
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2010-12-16 15:07:07 +00:00
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*
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* Author: Daniel P. Berrange <berrange@redhat.com>
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*/
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#ifndef __QEMU_CAPABILITIES_H__
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# define __QEMU_CAPABILITIES_H__
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2012-08-20 16:44:14 +00:00
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# include "virobject.h"
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2010-12-16 15:07:07 +00:00
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# include "capabilities.h"
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2012-12-12 16:27:01 +00:00
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# include "vircommand.h"
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2012-08-22 14:39:54 +00:00
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# include "virobject.h"
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2012-09-13 14:54:02 +00:00
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# include "qemu_monitor.h"
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2010-12-16 15:07:07 +00:00
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/* Internal flags to keep track of qemu command line capabilities */
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enum qemuCapsFlags {
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2012-01-20 23:30:44 +00:00
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QEMU_CAPS_KQEMU = 0, /* Whether KQEMU is compiled in */
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QEMU_CAPS_VNC_COLON = 1, /* VNC takes or address + display */
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QEMU_CAPS_NO_REBOOT = 2, /* Is the -no-reboot flag available */
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QEMU_CAPS_DRIVE = 3, /* Is the new -drive arg available */
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QEMU_CAPS_DRIVE_BOOT = 4, /* Does -drive support boot=on */
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QEMU_CAPS_NAME = 5, /* Is the -name flag available */
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QEMU_CAPS_UUID = 6, /* Is the -uuid flag available */
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QEMU_CAPS_DOMID = 7, /* Xenner: -domid flag available */
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QEMU_CAPS_VNET_HDR = 8,
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QEMU_CAPS_MIGRATE_KVM_STDIO = 9, /* avoid kvm tcp migration bug */
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QEMU_CAPS_MIGRATE_QEMU_TCP = 10, /* have qemu tcp migration */
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QEMU_CAPS_MIGRATE_QEMU_EXEC = 11, /* have qemu exec migration */
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QEMU_CAPS_DRIVE_CACHE_V2 = 12, /* cache= flag wanting new v2 values */
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Make non-KVM machines work with QMP probing
When there is no 'qemu-kvm' binary and the emulator used for a machine
is, for example, 'qemu-system-x86_64' that, by default, runs without
kvm enabled, libvirt still supplies '-no-kvm' option to this process,
even though it does not recognize such option (making the start of a
domain fail in that case).
This patch fixes building a command-line for QEMU machines without KVM
acceleration and is based on following assumptions:
- QEMU_CAPS_KVM flag means that QEMU is running KVM accelerated
machines by default (without explicitly requesting that using a
command-line option). It is the closest to the truth according to
the code with the only exception being the comment next to the
flag, so it's fixed in this patch as well.
- QEMU_CAPS_ENABLE_KVM flag means that QEMU is, by default, running
without KVM acceleration and in case we need KVM acceleration it
needs to be explicitly instructed to do so. This is partially
true for the past (this option essentially means that QEMU
recognizes the '-enable-kvm' option, even though it's almost the
same).
2012-10-31 07:31:49 +00:00
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QEMU_CAPS_KVM = 13, /* Whether KVM is enabled by default */
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2012-01-20 23:30:44 +00:00
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QEMU_CAPS_DRIVE_FORMAT = 14, /* Is -drive format= avail */
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QEMU_CAPS_VGA = 15, /* Is -vga avail */
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2010-12-16 15:07:07 +00:00
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/* features added in qemu-0.10.0 or later */
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2012-01-20 23:30:44 +00:00
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QEMU_CAPS_0_10 = 16,
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QEMU_CAPS_NET_NAME = QEMU_CAPS_0_10, /* -net ...,name=str */
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QEMU_CAPS_HOST_NET_ADD = QEMU_CAPS_0_10, /* host_net_add command */
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QEMU_CAPS_PCIDEVICE = 17, /* PCI device assignment supported */
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QEMU_CAPS_MEM_PATH = 18, /* mmap'ped guest backing supported */
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QEMU_CAPS_DRIVE_SERIAL = 19, /* -driver serial= available */
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QEMU_CAPS_XEN_DOMID = 20, /* -xen-domid */
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QEMU_CAPS_MIGRATE_QEMU_UNIX = 21, /* qemu migration via unix sockets */
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QEMU_CAPS_CHARDEV = 22, /* Is the new -chardev arg available */
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QEMU_CAPS_ENABLE_KVM = 23, /* -enable-kvm flag */
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QEMU_CAPS_MONITOR_JSON = 24, /* JSON mode for monitor */
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QEMU_CAPS_BALLOON = 25, /* -balloon available */
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QEMU_CAPS_DEVICE = 26, /* Is the new -device arg available */
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QEMU_CAPS_SDL = 27, /* Is the new -sdl arg available */
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QEMU_CAPS_SMP_TOPOLOGY = 28, /* -smp has sockets/cores/threads */
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QEMU_CAPS_NETDEV = 29, /* -netdev flag & netdev_add/remove */
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QEMU_CAPS_RTC = 30, /* The -rtc flag for clock options */
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QEMU_CAPS_VHOST_NET = 31, /* vhost-net support available */
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QEMU_CAPS_RTC_TD_HACK = 32, /* -rtc-td-hack available */
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QEMU_CAPS_NO_HPET = 33, /* -no-hpet flag is supported */
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QEMU_CAPS_NO_KVM_PIT = 34, /* -no-kvm-pit-reinjection supported */
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QEMU_CAPS_TDF = 35, /* -tdf flag (user-mode pit catchup) */
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QEMU_CAPS_PCI_CONFIGFD = 36, /* pci-assign.configfd */
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QEMU_CAPS_NODEFCONFIG = 37, /* -nodefconfig */
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QEMU_CAPS_BOOT_MENU = 38, /* -boot menu=on support */
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QEMU_CAPS_ENABLE_KQEMU = 39, /* -enable-kqemu flag */
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QEMU_CAPS_FSDEV = 40, /* -fstype filesystem passthrough */
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QEMU_CAPS_NESTING = 41, /* -enable-nesting (SVM/VMX) */
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QEMU_CAPS_NAME_PROCESS = 42, /* Is -name process= available */
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QEMU_CAPS_DRIVE_READONLY = 43, /* -drive readonly=on|off */
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QEMU_CAPS_SMBIOS_TYPE = 44, /* Is -smbios type= available */
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QEMU_CAPS_VGA_QXL = 45, /* The 'qxl' arg for '-vga' */
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QEMU_CAPS_SPICE = 46, /* Is -spice avail */
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QEMU_CAPS_VGA_NONE = 47, /* The 'none' arg for '-vga' */
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QEMU_CAPS_MIGRATE_QEMU_FD = 48, /* -incoming fd:n */
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QEMU_CAPS_BOOTINDEX = 49, /* -device bootindex property */
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QEMU_CAPS_HDA_DUPLEX = 50, /* -device hda-duplex */
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QEMU_CAPS_DRIVE_AIO = 51, /* -drive aio= supported */
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QEMU_CAPS_PCI_MULTIBUS = 52, /* bus=pci.0 vs bus=pci */
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QEMU_CAPS_PCI_BOOTINDEX = 53, /* pci-assign.bootindex */
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QEMU_CAPS_CCID_EMULATED = 54, /* -device ccid-card-emulated */
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QEMU_CAPS_CCID_PASSTHRU = 55, /* -device ccid-card-passthru */
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QEMU_CAPS_CHARDEV_SPICEVMC = 56, /* newer -chardev spicevmc */
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QEMU_CAPS_DEVICE_SPICEVMC = 57, /* older -device spicevmc*/
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QEMU_CAPS_VIRTIO_TX_ALG = 58, /* -device virtio-net-pci,tx=string */
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QEMU_CAPS_DEVICE_QXL_VGA = 59, /* primary qxl device named qxl-vga? */
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QEMU_CAPS_PCI_MULTIFUNCTION = 60, /* -device multifunction=on|off */
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QEMU_CAPS_VIRTIO_IOEVENTFD = 61, /* virtio-{net|blk}-pci.ioeventfd=on */
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QEMU_CAPS_SGA = 62, /* Serial Graphics Adapter */
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2011-08-13 06:32:45 +00:00
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QEMU_CAPS_VIRTIO_BLK_EVENT_IDX = 63, /* virtio-blk-pci.event_idx */
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QEMU_CAPS_VIRTIO_NET_EVENT_IDX = 64, /* virtio-net-pci.event_idx */
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2011-09-02 13:36:58 +00:00
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QEMU_CAPS_DRIVE_CACHE_DIRECTSYNC = 65, /* Is cache=directsync supported? */
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2012-01-20 23:30:44 +00:00
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QEMU_CAPS_PIIX3_USB_UHCI = 66, /* -device piix3-usb-uhci */
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QEMU_CAPS_PIIX4_USB_UHCI = 67, /* -device piix4-usb-uhci */
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QEMU_CAPS_USB_EHCI = 68, /* -device usb-ehci */
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QEMU_CAPS_ICH9_USB_EHCI1 = 69, /* -device ich9-usb-ehci1 and friends */
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2011-09-02 14:20:40 +00:00
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QEMU_CAPS_VT82C686B_USB_UHCI = 70, /* -device vt82c686b-usb-uhci */
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2012-01-20 23:30:44 +00:00
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QEMU_CAPS_PCI_OHCI = 71, /* -device pci-ohci */
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QEMU_CAPS_USB_REDIR = 72, /* -device usb-redir */
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QEMU_CAPS_USB_HUB = 73, /* -device usb-hub */
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QEMU_CAPS_NO_SHUTDOWN = 74, /* usable -no-shutdown */
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2011-09-22 19:33:47 +00:00
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QEMU_CAPS_DRIVE_CACHE_UNSAFE = 75, /* Is cache=unsafe supported? */
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2011-09-20 17:31:52 +00:00
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QEMU_CAPS_PCI_ROMBAR = 76, /* -device rombar=0|1 */
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2012-01-20 23:30:44 +00:00
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QEMU_CAPS_ICH9_AHCI = 77, /* -device ich9-ahci */
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QEMU_CAPS_NO_ACPI = 78, /* -no-acpi */
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QEMU_CAPS_FSDEV_READONLY = 79, /* -fsdev readonly supported */
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2011-11-29 18:37:27 +00:00
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QEMU_CAPS_VIRTIO_BLK_SCSI = 80, /* virtio-blk-pci.scsi */
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2012-01-20 23:30:44 +00:00
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QEMU_CAPS_VIRTIO_BLK_SG_IO = 81, /* SG_IO commands, since 0.11 */
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2012-01-12 09:31:14 +00:00
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QEMU_CAPS_DRIVE_COPY_ON_READ = 82, /* -drive copy-on-read */
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2012-01-20 23:30:44 +00:00
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QEMU_CAPS_CPU_HOST = 83, /* support for -cpu host */
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2012-01-17 12:44:18 +00:00
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QEMU_CAPS_FSDEV_WRITEOUT = 84, /* -fsdev writeout supported */
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2012-01-20 23:30:44 +00:00
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QEMU_CAPS_DRIVE_IOTUNE = 85, /* -drive bps= and friends */
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2012-02-13 11:19:24 +00:00
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QEMU_CAPS_WAKEUP = 86, /* system_wakeup monitor command */
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2012-02-27 10:20:21 +00:00
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QEMU_CAPS_SCSI_DISK_CHANNEL = 87, /* Is scsi-disk.channel available? */
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2012-03-12 14:19:56 +00:00
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QEMU_CAPS_SCSI_BLOCK = 88, /* -device scsi-block */
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2012-03-14 22:29:21 +00:00
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QEMU_CAPS_TRANSACTION = 89, /* transaction monitor command */
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2012-04-11 21:40:16 +00:00
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QEMU_CAPS_BLOCKJOB_SYNC = 90, /* RHEL 6.2 block_job_cancel */
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QEMU_CAPS_BLOCKJOB_ASYNC = 91, /* qemu 1.1 block-job-cancel */
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2012-04-17 09:08:05 +00:00
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QEMU_CAPS_SCSI_CD = 92, /* -device scsi-cd */
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2012-04-17 09:16:52 +00:00
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QEMU_CAPS_IDE_CD = 93, /* -device ide-cd */
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2012-04-26 10:11:49 +00:00
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QEMU_CAPS_NO_USER_CONFIG = 94, /* -no-user-config */
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2012-05-15 22:55:08 +00:00
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QEMU_CAPS_HDA_MICRO = 95, /* -device hda-micro */
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2012-06-12 03:06:33 +00:00
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QEMU_CAPS_DUMP_GUEST_MEMORY = 96, /* dump-guest-memory command */
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2012-06-21 13:45:25 +00:00
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QEMU_CAPS_NEC_USB_XHCI = 97, /* -device nec-usb-xhci */
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2012-06-29 15:02:05 +00:00
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QEMU_CAPS_VIRTIO_S390 = 98, /* -device virtio-*-s390 */
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2012-07-12 15:45:57 +00:00
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QEMU_CAPS_BALLOON_EVENT = 99, /* Async event for balloon changes */
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2012-08-03 20:33:05 +00:00
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QEMU_CAPS_NETDEV_BRIDGE = 100, /* bridge helper support */
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2012-08-08 06:25:24 +00:00
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QEMU_CAPS_SCSI_LSI = 101, /* -device lsi */
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QEMU_CAPS_VIRTIO_SCSI_PCI = 102, /* -device virtio-scsi-pci */
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2012-09-04 14:30:55 +00:00
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QEMU_CAPS_BLOCKIO = 103, /* -device ...logical_block_size & co */
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2012-08-02 10:14:39 +00:00
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QEMU_CAPS_DISABLE_S3 = 104, /* S3 BIOS Advertisement on/off */
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QEMU_CAPS_DISABLE_S4 = 105, /* S4 BIOS Advertisement on/off */
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2012-08-19 15:42:44 +00:00
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QEMU_CAPS_USB_REDIR_FILTER = 106, /* usb-redir.filter */
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2012-09-18 02:12:11 +00:00
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QEMU_CAPS_IDE_DRIVE_WWN = 107, /* Is ide-drive.wwn available? */
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QEMU_CAPS_SCSI_DISK_WWN = 108, /* Is scsi-disk.wwn available? */
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2012-09-18 07:24:51 +00:00
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QEMU_CAPS_SECCOMP_SANDBOX = 109, /* -sandbox */
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2012-09-18 10:31:30 +00:00
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QEMU_CAPS_REBOOT_TIMEOUT = 110, /* -boot reboot-timeout */
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2012-08-15 07:59:24 +00:00
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QEMU_CAPS_DUMP_GUEST_CORE = 111, /* dump-guest-core-parameter */
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2012-09-20 09:15:31 +00:00
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QEMU_CAPS_SEAMLESS_MIGRATION = 112, /* seamless-migration for SPICE */
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2012-10-03 21:13:21 +00:00
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QEMU_CAPS_BLOCK_COMMIT = 113, /* block-commit */
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2012-10-19 19:40:52 +00:00
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QEMU_CAPS_VNC = 114, /* Is -vnc available? */
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blockjob: add qemu capabilities related to block jobs
Upstream qemu 1.3 is adding two new monitor commands, 'drive-mirror'
and 'block-job-complete'[1], which can drive live block copy and
storage migration. [Additionally, RHEL 6.3 had backported an earlier
version of most of the same functionality, but under the names
'__com.redhat_drive-mirror' and '__com.redhat_drive-reopen' and with
slightly different JSON arguments, and has been using patches similar
to these upstream patches for several months now.]
The libvirt API virDomainBlockRebase as already committed for 0.9.12
is flexible enough to expose the basics of block copy, but some
additional features in the 'drive-mirror' qemu command, such as
setting error policy, setting granularity, or using a persistent
bitmap, may later require a new libvirt API virDomainBlockCopy. I
will wait to add that API until we know more about what qemu 1.3
will finally provide.
This patch caters only to the upstream qemu 1.3 interface, although
I have proven that the changes for RHEL 6.3 can be isolated to
just qemu_monitor_json.c, and the rest of this series will
gracefully handle either interface once the JSON differences are
papered over in a downstream patch.
For consistency with other block job commands, libvirt must handle
the bandwidth argument as MiB/sec from the user, even though qemu
exposes the speed argument as bytes/sec; then again, qemu rounds
up to cluster size internally, so using MiB hides the worst effects
of that rounding if you pass small numbers.
[1]https://lists.gnu.org/archive/html/qemu-devel/2012-10/msg04123.html
* src/qemu/qemu_capabilities.h (QEMU_CAPS_DRIVE_MIRROR)
(QEMU_CAPS_DRIVE_REOPEN): New bits.
* src/qemu/qemu_capabilities.c (qemuCaps): Name them.
* src/qemu/qemu_monitor_json.c (qemuMonitorJSONCheckCommands): Set
them.
(qemuMonitorJSONDriveMirror, qemuMonitorDrivePivot): New functions.
* src/qemu/qemu_monitor_json.h (qemuMonitorJSONDriveMirror)
(qemuMonitorDrivePivot): Declare them.
* src/qemu/qemu_monitor.c (qemuMonitorDriveMirror)
(qemuMonitorDrivePivot): New passthroughs.
* src/qemu/qemu_monitor.h (qemuMonitorDriveMirror)
(qemuMonitorDrivePivot): Declare them.
2012-09-28 23:29:53 +00:00
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QEMU_CAPS_DRIVE_MIRROR = 115, /* drive-mirror monitor command */
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2012-11-14 14:51:30 +00:00
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QEMU_CAPS_USB_REDIR_BOOTINDEX = 116, /* usb-redir.bootindex */
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QEMU_CAPS_USB_HOST_BOOTINDEX = 117, /* usb-host.bootindex */
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2012-12-03 21:25:30 +00:00
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QEMU_CAPS_DISK_SNAPSHOT = 118, /* blockdev-snapshot-sync command */
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2012-12-14 07:06:31 +00:00
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QEMU_CAPS_DEVICE_QXL = 119, /* -device qxl */
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QEMU_CAPS_DEVICE_VGA = 120, /* -device VGA */
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QEMU_CAPS_DEVICE_CIRRUS_VGA = 121, /* -device cirrus-vga */
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QEMU_CAPS_DEVICE_VMWARE_SVGA = 122, /* -device vmware-svga */
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QEMU_CAPS_DEVICE_VIDEO_PRIMARY = 123, /* safe to use -device XXX
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for primary video device */
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2012-01-18 16:42:33 +00:00
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2011-02-08 14:22:39 +00:00
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QEMU_CAPS_LAST, /* this must always be the last item */
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2010-12-16 15:07:07 +00:00
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};
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2012-08-20 16:44:14 +00:00
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typedef struct _qemuCaps qemuCaps;
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typedef qemuCaps *qemuCapsPtr;
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2011-02-08 14:22:39 +00:00
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2012-08-22 12:54:13 +00:00
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typedef struct _qemuCapsCache qemuCapsCache;
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typedef qemuCapsCache *qemuCapsCachePtr;
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2012-08-20 16:44:14 +00:00
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qemuCapsPtr qemuCapsNew(void);
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2012-09-11 12:42:20 +00:00
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qemuCapsPtr qemuCapsNewCopy(qemuCapsPtr caps);
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2012-08-22 17:05:08 +00:00
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qemuCapsPtr qemuCapsNewForBinary(const char *binary,
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2012-10-02 08:59:56 +00:00
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const char *libDir,
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2012-11-26 14:17:13 +00:00
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const char *runDir,
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uid_t runUid,
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gid_t runGid);
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2011-02-08 14:22:39 +00:00
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2012-09-13 14:54:02 +00:00
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int qemuCapsProbeQMP(qemuCapsPtr caps,
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qemuMonitorPtr mon);
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2012-08-20 16:44:14 +00:00
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void qemuCapsSet(qemuCapsPtr caps,
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2011-02-08 14:22:39 +00:00
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enum qemuCapsFlags flag) ATTRIBUTE_NONNULL(1);
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2012-08-20 16:44:14 +00:00
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void qemuCapsSetList(qemuCapsPtr caps, ...) ATTRIBUTE_NONNULL(1);
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2011-02-08 14:08:12 +00:00
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2012-08-20 16:44:14 +00:00
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void qemuCapsClear(qemuCapsPtr caps,
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2011-02-08 14:22:39 +00:00
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enum qemuCapsFlags flag) ATTRIBUTE_NONNULL(1);
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2011-02-08 14:08:12 +00:00
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2012-08-20 16:44:14 +00:00
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bool qemuCapsGet(qemuCapsPtr caps,
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2011-02-08 14:08:12 +00:00
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enum qemuCapsFlags flag);
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2012-08-20 16:44:14 +00:00
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char *qemuCapsFlagsString(qemuCapsPtr caps);
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2012-08-22 13:37:05 +00:00
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const char *qemuCapsGetBinary(qemuCapsPtr caps);
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2012-12-11 13:06:45 +00:00
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virArch qemuCapsGetArch(qemuCapsPtr caps);
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2012-08-22 10:11:28 +00:00
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unsigned int qemuCapsGetVersion(qemuCapsPtr caps);
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unsigned int qemuCapsGetKVMVersion(qemuCapsPtr caps);
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2012-08-22 15:28:55 +00:00
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int qemuCapsAddCPUDefinition(qemuCapsPtr caps,
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const char *name);
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2012-08-22 10:11:28 +00:00
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size_t qemuCapsGetCPUDefinitions(qemuCapsPtr caps,
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char ***names);
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size_t qemuCapsGetMachineTypes(qemuCapsPtr caps,
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char ***names);
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const char *qemuCapsGetCanonicalMachine(qemuCapsPtr caps,
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const char *name);
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2012-08-22 13:37:05 +00:00
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int qemuCapsGetMachineTypesCaps(qemuCapsPtr caps,
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size_t *nmachines,
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virCapsGuestMachinePtr **machines);
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2012-09-10 10:47:56 +00:00
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bool qemuCapsIsValid(qemuCapsPtr caps);
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2012-08-22 12:54:13 +00:00
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2012-11-26 14:17:13 +00:00
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qemuCapsCachePtr qemuCapsCacheNew(const char *libDir, const char *runDir,
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uid_t uid, gid_t gid);
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2012-08-22 12:54:13 +00:00
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qemuCapsPtr qemuCapsCacheLookup(qemuCapsCachePtr cache, const char *binary);
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qemuCapsPtr qemuCapsCacheLookupCopy(qemuCapsCachePtr cache, const char *binary);
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void qemuCapsCacheFree(qemuCapsCachePtr cache);
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2012-08-22 13:37:05 +00:00
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virCapsPtr qemuCapsInit(qemuCapsCachePtr cache);
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2010-12-16 15:07:07 +00:00
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2012-08-22 14:39:54 +00:00
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int qemuCapsGetDefaultVersion(virCapsPtr caps,
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qemuCapsCachePtr capsCache,
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unsigned int *version);
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2010-12-16 15:07:07 +00:00
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2012-08-22 16:23:00 +00:00
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/* Only for use by test suite */
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2010-12-16 15:07:07 +00:00
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int qemuCapsParseHelpStr(const char *qemu,
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const char *str,
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2012-08-20 16:44:14 +00:00
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qemuCapsPtr caps,
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2010-12-16 15:07:07 +00:00
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unsigned int *version,
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unsigned int *is_kvm,
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2012-01-26 04:57:38 +00:00
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unsigned int *kvm_version,
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bool check_yajl);
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2012-08-22 16:23:00 +00:00
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/* Only for use by test suite */
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2012-09-13 17:04:24 +00:00
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int qemuCapsParseDeviceStr(qemuCapsPtr caps, const char *str);
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2010-12-16 15:07:07 +00:00
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2011-05-04 11:55:38 +00:00
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VIR_ENUM_DECL(qemuCaps);
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2010-12-16 15:07:07 +00:00
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2013-01-02 14:36:33 +00:00
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bool qemuCapsUsedQMP(qemuCapsPtr caps);
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2010-12-16 15:07:07 +00:00
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#endif /* __QEMU_CAPABILITIES_H__*/
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