1PCI_FIND_CAPABILITY(9)        Hardware Interfaces       PCI_FIND_CAPABILITY(9)
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NAME

6       pci_find_capability - query for devices' capabilities
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SYNOPSIS

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

12       dev
13           PCI device to query
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15       cap
16           capability code
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DESCRIPTION

19       Tell if a device supports a given PCI capability. Returns the address
20       of the requested capability structure within the device's PCI
21       configuration space or 0 in case the device does not support it.
22       Possible values for cap:
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24       PCI_CAP_ID_PM Power Management PCI_CAP_ID_AGP Accelerated Graphics Port
25       PCI_CAP_ID_VPD Vital Product Data PCI_CAP_ID_SLOTID Slot Identification
26       PCI_CAP_ID_MSI Message Signalled Interrupts PCI_CAP_ID_CHSWP CompactPCI
27       HotSwap PCI_CAP_ID_PCIX PCI-X PCI_CAP_ID_EXP PCI Express
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30Kernel Hackers Manual 3.10         June 2019            PCI_FIND_CAPABILITY(9)
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