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3a0c717b9e
This functions enables us to get the Virtual Functions attached to a Physical function given the name of a SR-IOV physical functio. In order to accomplish the task, added a getter function pciGetDeviceAddrString to get the BDF of the Virtual Function in a char array.
122 lines
4.8 KiB
C
122 lines
4.8 KiB
C
/*
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* Copyright (C) 2009, 2011-2012 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 "internal.h"
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typedef struct _pciDevice pciDevice;
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typedef struct _pciDeviceList pciDeviceList;
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struct pci_config_address {
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unsigned int domain;
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unsigned int bus;
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unsigned int slot;
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unsigned int function;
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};
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pciDevice *pciGetDevice (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 (pciDevice *dev);
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const char *pciDeviceGetName (pciDevice *dev);
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int pciDettachDevice (pciDevice *dev, pciDeviceList *activeDevs);
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int pciReAttachDevice (pciDevice *dev, pciDeviceList *activeDevs);
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int pciResetDevice (pciDevice *dev,
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pciDeviceList *activeDevs,
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pciDeviceList *inactiveDevs);
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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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void pciDeviceSetUsedBy(pciDevice *dev,
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const char *used_by);
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const char *pciDeviceGetUsedBy(pciDevice *dev);
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unsigned pciDeviceGetUnbindFromStub(pciDevice *dev);
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void pciDeviceSetUnbindFromStub(pciDevice *dev,
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unsigned unbind);
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unsigned pciDeviceGetRemoveSlot(pciDevice *dev);
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void pciDeviceSetRemoveSlot(pciDevice *dev,
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unsigned remove_slot);
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unsigned pciDeviceGetReprobe(pciDevice *dev);
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void pciDeviceSetReprobe(pciDevice *dev,
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unsigned reprobe);
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void pciDeviceReAttachInit(pciDevice *dev);
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pciDeviceList *pciDeviceListNew (void);
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void pciDeviceListFree (pciDeviceList *list);
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int pciDeviceListAdd (pciDeviceList *list,
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pciDevice *dev);
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pciDevice * pciDeviceListGet (pciDeviceList *list,
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int idx);
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int pciDeviceListCount (pciDeviceList *list);
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pciDevice * pciDeviceListSteal (pciDeviceList *list,
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pciDevice *dev);
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void pciDeviceListDel (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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/*
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* Callback that will be invoked once for each file
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* associated with / used for PCI host device access.
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*
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* Should return 0 if successfully processed, or
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* -1 to indicate error and abort iteration
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*/
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typedef int (*pciDeviceFileActor)(pciDevice *dev,
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const char *path, void *opaque);
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int pciDeviceFileIterate(pciDevice *dev,
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pciDeviceFileActor actor,
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void *opaque);
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int pciDeviceIsAssignable(pciDevice *dev,
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int strict_acs_check);
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int pciWaitForDeviceCleanup(pciDevice *dev, const char *matcher);
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int pciGetPhysicalFunction(const char *sysfs_path,
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struct pci_config_address **phys_fn);
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int pciGetVirtualFunctions(const char *sysfs_path,
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struct pci_config_address ***virtual_functions,
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unsigned int *num_virtual_functions);
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int pciDeviceIsVirtualFunction(const char *vf_sysfs_device_link);
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int pciGetVirtualFunctionIndex(const char *pf_sysfs_device_link,
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const char *vf_sysfs_device_link,
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int *vf_index);
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int pciDeviceNetName(char *device_link_sysfs_path, char **netname);
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int pciSysfsFile(char *pciDeviceName, char **pci_sysfs_device_link)
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ATTRIBUTE_RETURN_CHECK;
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int pciGetDeviceAddrString(unsigned domain,
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unsigned bus,
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unsigned slot,
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unsigned function,
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char **pciConfigAddr)
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ATTRIBUTE_NONNULL(5) ATTRIBUTE_RETURN_CHECK;
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#endif /* __VIR_PCI_H__ */
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