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e8ad339312
As we start/shutdown guests, or hotplug/hot-unplug devices, we can add or delete devices as appropriate from a list of active devices. Then, in pciReset(), we can use this to determine whether its safe to reset a device as a side effect of resetting another device. * src/qemu_conf.h: add activePciHostdevs to qemud_driver * src/qemu_driver.c: maintain the activePciHostdevs list, and pass it to pciResetDevice() * src/pci.[ch]: pass the activeDevs list to pciResetDevice() and use it to determine whether a Secondary Bus Reset is safe
66 lines
2.5 KiB
C
66 lines
2.5 KiB
C
/*
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* Copyright (C) 2009 Red Hat, Inc.
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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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* Authors:
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* Mark McLoughlin <markmc@redhat.com>
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*/
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#ifndef __VIR_PCI_H__
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#define __VIR_PCI_H__
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#include <config.h>
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#include "internal.h"
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typedef struct _pciDevice pciDevice;
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typedef struct {
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unsigned count;
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pciDevice **devs;
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} pciDeviceList;
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pciDevice *pciGetDevice (virConnectPtr conn,
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unsigned domain,
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unsigned bus,
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unsigned slot,
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unsigned function);
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void pciFreeDevice (virConnectPtr conn,
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pciDevice *dev);
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int pciDettachDevice (virConnectPtr conn,
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pciDevice *dev);
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int pciReAttachDevice (virConnectPtr conn,
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pciDevice *dev);
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int pciResetDevice (virConnectPtr conn,
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pciDevice *dev,
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pciDeviceList *activeDevs);
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void pciDeviceSetManaged(pciDevice *dev,
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unsigned managed);
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unsigned pciDeviceGetManaged(pciDevice *dev);
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pciDeviceList *pciDeviceListNew (virConnectPtr conn);
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void pciDeviceListFree (virConnectPtr conn,
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pciDeviceList *list);
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int pciDeviceListAdd (virConnectPtr conn,
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pciDeviceList *list,
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pciDevice *dev);
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void pciDeviceListDel (virConnectPtr conn,
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pciDeviceList *list,
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pciDevice *dev);
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pciDevice * pciDeviceListFind (pciDeviceList *list,
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pciDevice *dev);
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#endif /* __VIR_PCI_H__ */
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