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It turns out that a PCI Power Management reset only affects individual functions, and not the whole device. The PCI Power Management spec talks about resetting the 'device' rather than the 'function', but Intel's Dexuan Cui informs me that it is actually a per-function reset. Also, Yu Zhao has added pci_pm_reset() to the kernel, and it doesn't reject multi-function devices, so it must be true! :-) (A side issue is that we could defer the PM reset to the kernel if we could detect that the kernel has PM reset support, but barring version number checks we don't have a way to detect that support) * src/pci.c: remove the pciDeviceContainsOtherFunctions() check from pciTryPowerManagementReset() and prefer PM reset over bus reset where both are available Cc: Cui, Dexuan <dexuan.cui@intel.com> Cc: Yu Zhao <yu.zhao@intel.com>
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>