diff options
Diffstat (limited to 'drivers/pci/pci.h')
| -rw-r--r-- | drivers/pci/pci.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index fcd81911b127..1186d8be6055 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -253,6 +253,16 @@ bool pci_bus_clip_resource(struct pci_dev *dev, int idx); void pci_reassigndev_resource_alignment(struct pci_dev *dev); void pci_disable_bridge_window(struct pci_dev *dev); +/* PCIe link information */ +#define PCIE_SPEED2STR(speed) \ + ((speed) == PCIE_SPEED_16_0GT ? "16 GT/s" : \ + (speed) == PCIE_SPEED_8_0GT ? "8 GT/s" : \ + (speed) == PCIE_SPEED_5_0GT ? "5 GT/s" : \ + (speed) == PCIE_SPEED_2_5GT ? "2.5 GT/s" : \ + "Unknown speed") + +enum pci_bus_speed pcie_get_speed_cap(struct pci_dev *dev); + /* Single Root I/O Virtualization */ struct pci_sriov { int pos; /* Capability position */ |