pci_find_capability (9)

Query for devices capabilities

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  4. pci_find_capability: Query for devices capabilities
  1. Carta.tech
  2. Packages
  3. linux-manual-3.16
  4. pci_find_capability: Query for devices capabilities

SYNOPSIS

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

ARGUMENTS

dev

PCI device to query

cap

capability code

DESCRIPTION

Tell if a device supports a given PCI capability. Returns the address of the requested capability structure within the device's PCI configuration space or 0 in case the device does not support it. Possible values for cap:

PCI_CAP_ID_PM Power Management PCI_CAP_ID_AGP Accelerated Graphics Port PCI_CAP_ID_VPD Vital Product Data PCI_CAP_ID_SLOTID Slot Identification PCI_CAP_ID_MSI Message Signalled Interrupts PCI_CAP_ID_CHSWP CompactPCI HotSwap PCI_CAP_ID_PCIX PCI-X PCI_CAP_ID_EXP PCI Express

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