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Open /dev/vhost-scsi, and record the resulting file descriptor, so that the guest has access to the host device outside of the libvirt daemon. Pass this information, along with data parsed from the XML file, to build a device string for the qemu command line. That device string will be for either a vhost-scsi-ccw device in the case of an s390 machine, or vhost-scsi-pci for any others. Signed-off-by: Eric Farman <farman@linux.vnet.ibm.com>
87 lines
4.0 KiB
C
87 lines
4.0 KiB
C
/*
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* qemu_hostdev.h: QEMU hostdev management
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*
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* Copyright (C) 2006-2007, 2009-2013 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, see
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* <http://www.gnu.org/licenses/>.
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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_HOSTDEV_H__
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# define __QEMU_HOSTDEV_H__
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# include "qemu_conf.h"
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# include "domain_conf.h"
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bool qemuHostdevHostSupportsPassthroughLegacy(void);
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bool qemuHostdevHostSupportsPassthroughVFIO(void);
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int qemuHostdevUpdateActivePCIDevices(virQEMUDriverPtr driver,
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virDomainDefPtr def);
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int qemuHostdevUpdateActiveUSBDevices(virQEMUDriverPtr driver,
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virDomainDefPtr def);
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int qemuHostdevUpdateActiveSCSIDevices(virQEMUDriverPtr driver,
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virDomainDefPtr def);
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int qemuHostdevUpdateActiveDomainDevices(virQEMUDriverPtr driver,
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virDomainDefPtr def);
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int qemuHostdevPreparePCIDevices(virQEMUDriverPtr driver,
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const char *name,
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const unsigned char *uuid,
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virDomainHostdevDefPtr *hostdevs,
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int nhostdevs,
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virQEMUCapsPtr qemuCaps,
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unsigned int flags);
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int qemuHostdevPrepareUSBDevices(virQEMUDriverPtr driver,
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const char *name,
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virDomainHostdevDefPtr *hostdevs,
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int nhostdevs,
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unsigned int flags);
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int qemuHostdevPrepareSCSIDevices(virQEMUDriverPtr driver,
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const char *name,
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virDomainHostdevDefPtr *hostdevs,
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int nhostdevs);
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int qemuHostdevPrepareSCSIVHostDevices(virQEMUDriverPtr driver,
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const char *name,
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virDomainHostdevDefPtr *hostdevs,
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int nhostdevs);
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int qemuHostdevPrepareDomainDevices(virQEMUDriverPtr driver,
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virDomainDefPtr def,
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virQEMUCapsPtr qemuCaps,
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unsigned int flags);
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void qemuHostdevReAttachPCIDevices(virQEMUDriverPtr driver,
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const char *name,
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virDomainHostdevDefPtr *hostdevs,
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int nhostdevs);
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void qemuHostdevReAttachUSBDevices(virQEMUDriverPtr driver,
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const char *name,
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virDomainHostdevDefPtr *hostdevs,
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int nhostdevs);
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void qemuHostdevReAttachSCSIDevices(virQEMUDriverPtr driver,
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const char *name,
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virDomainHostdevDefPtr *hostdevs,
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int nhostdevs);
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void qemuHostdevReAttachSCSIVHostDevices(virQEMUDriverPtr driver,
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const char *name,
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virDomainHostdevDefPtr *hostdevs,
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int nhostdevs);
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void qemuHostdevReAttachDomainDevices(virQEMUDriverPtr driver,
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virDomainDefPtr def);
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#endif /* __QEMU_HOSTDEV_H__ */
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