table of contents
| PCI_FIND_EXT_CAPABIL(9) | Hardware Interfaces | PCI_FIND_EXT_CAPABIL(9) |
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
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |