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e8daeeb136
This patch adds two capabilities flags to deal with various aspects
of supporting SG_IO commands on virtio-blk-pci devices:
QEMU_CAPS_VIRTIO_BLK_SCSI
set if -device virtio-blk-pci accepts the scsi="on|off" option
When present, this is on by default, but can be set to off to disable
SG_IO functions.
QEMU_CAPS_VIRTIO_BLK_SG_IO
set if SG_IO commands are supported in the virtio-blk-pci driver
(present since qemu 0.11 according to a qemu developer, if I
understood correctly)
172 lines
9.0 KiB
C
172 lines
9.0 KiB
C
/*
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* qemu_capabilities.h: QEMU capabilities generation
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*
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* Copyright (C) 2006-2011 Red Hat, Inc.
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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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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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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# include "bitmap.h"
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# include "capabilities.h"
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/* Internal flags to keep track of qemu command line capabilities */
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enum qemuCapsFlags {
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QEMU_CAPS_KQEMU = 0, /* Whether KQEMU is compiled in */
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QEMU_CAPS_VNC_COLON = 1, /* Does the VNC take just port, 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 only, special -domid flag available */
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QEMU_CAPS_VNET_HDR = 8,
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QEMU_CAPS_MIGRATE_KVM_STDIO = 9, /* Original migration code from KVM. Also had tcp, but we can't use that
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* since it had a design bug blocking the entire monitor console */
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QEMU_CAPS_MIGRATE_QEMU_TCP = 10, /* New migration syntax after merge to QEMU with TCP transport */
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QEMU_CAPS_MIGRATE_QEMU_EXEC = 11, /* New migration syntax after merge to QEMU with EXEC transport */
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QEMU_CAPS_DRIVE_CACHE_V2 = 12, /* Is the cache= flag wanting new v2 values */
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QEMU_CAPS_KVM = 13, /* Whether KVM is compiled in */
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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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/* features added in qemu-0.10.0 or later */
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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 monitor command */
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QEMU_CAPS_PCIDEVICE = 17, /* PCI device assignment only supported by qemu-kvm */
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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 (new style xen integration) */
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QEMU_CAPS_MIGRATE_QEMU_UNIX = 21, /* Does qemu support unix domain sockets for migration? */
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QEMU_CAPS_CHARDEV = 22, /* Is the new -chardev arg available */
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QEMU_CAPS_ENABLE_KVM = 23, /* Is the -enable-kvm flag available to "enable KVM full virtualization support" */
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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, /* Is sockets=s,cores=c,threads=t available for -smp? */
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QEMU_CAPS_NETDEV = 29, /* The -netdev flag & netdev_add/remove monitor commands */
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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 is available in qemu */
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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, /* Is the primary and vga campatible 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, /* IOeventFD feature: virtio-{net|blk}-pci.ioeventfd=on/off */
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QEMU_CAPS_SGA = 62, /* Serial Graphics Adapter */
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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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QEMU_CAPS_DRIVE_CACHE_DIRECTSYNC = 65, /* Is cache=directsync supported? */
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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 companions */
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QEMU_CAPS_VT82C686B_USB_UHCI = 70, /* -device vt82c686b-usb-uhci */
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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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QEMU_CAPS_DRIVE_CACHE_UNSAFE = 75, /* Is cache=unsafe supported? */
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QEMU_CAPS_PCI_ROMBAR = 76, /* -device rombar=0|1 */
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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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QEMU_CAPS_VIRTIO_BLK_SCSI = 80, /* virtio-blk-pci.scsi */
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QEMU_CAPS_VIRTIO_BLK_SG_IO = 81, /* support for SG_IO commands, reportedly added in 0.11 */
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QEMU_CAPS_LAST, /* this must always be the last item */
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};
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virBitmapPtr qemuCapsNew(void);
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# define qemuCapsFree(caps) virBitmapFree(caps)
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void qemuCapsSet(virBitmapPtr caps,
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enum qemuCapsFlags flag) ATTRIBUTE_NONNULL(1);
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void qemuCapsSetList(virBitmapPtr caps, ...) ATTRIBUTE_NONNULL(1);
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void qemuCapsClear(virBitmapPtr caps,
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enum qemuCapsFlags flag) ATTRIBUTE_NONNULL(1);
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bool qemuCapsGet(virBitmapPtr caps,
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enum qemuCapsFlags flag);
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virCapsPtr qemuCapsInit(virCapsPtr old_caps);
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int qemuCapsProbeMachineTypes(const char *binary,
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virCapsGuestMachinePtr **machines,
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int *nmachines);
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int qemuCapsProbeCPUModels(const char *qemu,
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virBitmapPtr qemuCaps,
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const char *arch,
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unsigned int *count,
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const char ***cpus);
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int qemuCapsExtractVersion(virCapsPtr caps,
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unsigned int *version);
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int qemuCapsExtractVersionInfo(const char *qemu, const char *arch,
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unsigned int *version,
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virBitmapPtr *qemuCaps);
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int qemuCapsParseHelpStr(const char *qemu,
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const char *str,
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virBitmapPtr qemuCaps,
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unsigned int *version,
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unsigned int *is_kvm,
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unsigned int *kvm_version);
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int qemuCapsParseDeviceStr(const char *str,
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virBitmapPtr qemuCaps);
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VIR_ENUM_DECL(qemuCaps);
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#endif /* __QEMU_CAPABILITIES_H__*/
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