1PCI_GET_BUS_AND_SLOT(9)       Hardware Interfaces      PCI_GET_BUS_AND_SLOT(9)
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NAME

6       pci_get_bus_and_slot - locate PCI device from a given PCI bus & slot
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SYNOPSIS

9       struct pci_dev * pci_get_bus_and_slot(unsigned int bus,
10                                             unsigned int devfn);
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ARGUMENTS

13       bus
14           number of PCI bus on which desired PCI device resides
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16       devfn
17           encodes number of PCI slot in which the desired PCI device resides
18           and the logical device number within that slot in case of
19           multi-function devices.
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NOTE

22       the bus/slot search is limited to PCI domain (segment) 0.
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24       Given a PCI bus and slot/function number, the desired PCI device is
25       located in system global list of PCI devices. If the device is found, a
26       pointer to its data structure is returned. If no device is found, NULL
27       is returned. The returned device has its reference count bumped by one.
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30Kernel Hackers Manual 2.6.         June 2019           PCI_GET_BUS_AND_SLOT(9)
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