The Linux Kernel API | ||
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number of PCI bus on which desired PCI device resides
encodes number of PCI slot in which the desired PCI device resides and the logical device number within that slot in case of multi-function devices.
Given a PCI bus and slot/function number, the desired PCI device
is located in system global list of PCI devices. If the device
is found, a pointer to its data structure is returned. If no
device is found, NULL
is returned.
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PCI Support Library | Up | pci_find_subsys |