1PCI_FIND_EXT_CAPABIL(9)       Hardware Interfaces      PCI_FIND_EXT_CAPABIL(9)
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NAME

6       pci_find_ext_capability - Find an extended capability
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SYNOPSIS

9       int pci_find_ext_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       Returns the address of the requested extended capability structure
20       within the device's PCI configuration space or 0 if the device does not
21       support it. Possible values for cap:
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23       PCI_EXT_CAP_ID_ERR Advanced Error Reporting PCI_EXT_CAP_ID_VC Virtual
24       Channel PCI_EXT_CAP_ID_DSN Device Serial Number PCI_EXT_CAP_ID_PWR
25       Power Budgeting
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28Kernel Hackers Manual 3.10         June 2019           PCI_FIND_EXT_CAPABIL(9)
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