pci_find_ext_capability
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Name

pci_find_ext_capability — Find an extended capability

Synopsis

int pci_find_ext_capability (struct pci_dev *  dev,
 int  cap);

Arguments

dev

PCI device to query

cap

capability code

Description

Returns the address of the requested extended capability structure within the device's 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

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