1. NAME▲
pci_find_ext_capability - Find an extended capability
2. SYNOPSIS ▲
int pci_find_ext_capability(struct pci_dev * dev , int cap );
3. ARGUMENTS ▲
dev
PCI device to query
cap
capability code
4. DESCRIPTION ▲
Returns the address of the requested extended capability structure within the deviceAqs PCI configuration space or 0 if the device does not support it. Possible values for cap:
PCI_EXT_CAP_ID_ERR Advanced Error Reporting PCI_EXT_CAP_ID_VC Virtual Channel PCI_EXT_CAP_ID_DSN Device Serial Number PCI_EXT_CAP_ID_PWR Power Budgeting
5. COPYRIGHT ▲