| pci_find_next_ext_capability(9) - phpMan
PCI_FIND_NEXT_EXT_CA(9) Hardware Interfaces PCI_FIND_NEXT_EXT_CA(9)
NAME
pci_find_next_ext_capability - Find an extended capability
SYNOPSIS
int pci_find_next_ext_capability(struct pci_dev * dev, int start, int cap);
ARGUMENTS
dev
PCI device to query
start
address at which to start looking (0 to start at beginning of list)
cap
capability code
DESCRIPTION
Returns the address of the next matching extended capability structure within the device's
PCI configuration space or 0 if the device does not support it. Some capabilities can
occur several times, e.g., the vendor-specific capability, and this provides a way to find
them all.
COPYRIGHT
Kernel Hackers Manual 4.8. January 2017 PCI_FIND_NEXT_EXT_CA(9)
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