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When using a Secondary Bus Reset, all devices on the bus are reset. Extend the pciResetDevice() API so that a 'check' callback can be supplied which will verify that it is safe to reset the other devices on the bus. The virDomainObjPtr parameter is needed so that when the check function iterates over the domain list, it can avoid double locking. * src/pci.[ch]: add a 'check' callback to pciResetDevice(), re-work pciIterDevices() to pass the check function to the iter functions, use the check function in the bus iterator, return the first unsafe device from pciBusCheckOtherDevices() and include its details in the bus reset error message. * src/qemu_driver.c, src/xen_uninified.c: just pass NULL as the check function for now
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>