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 ▲