diff options
| author | Jonathan Yong <jonathan.yong@intel.com> | 2016-06-11 14:13:38 -0500 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-08-15 13:44:08 -0500 |
| commit | 9bb04a0c4e261187be904d05c2bcd1da0eebc20c (patch) | |
| tree | 725a72656a45640205c5d05885dc9c3fd41f01e0 /include/linux/pci.h | |
| parent | 29b4817d4018df78086157ea3a55c1d9424a7cfc (diff) | |
PCI: Add Precision Time Measurement (PTM) support
Add Precision Time Measurement (PTM) support (see PCIe r3.1, sec 6.22).
Enable PTM on PTM Root devices and switch ports. This does not enable PTM
on endpoints.
There currently are no PTM-capable devices on the market, but it is
expected to be supported by the Intel Apollo Lake platform.
[bhelgaas: complete rework]
Signed-off-by: Jonathan Yong <jonathan.yong@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 2599a980340f..96c509fa9d46 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -367,6 +367,11 @@ struct pci_dev { int rom_attr_enabled; /* has display of the rom attribute been enabled? */ struct bin_attribute *res_attr[DEVICE_COUNT_RESOURCE]; /* sysfs file for resources */ struct bin_attribute *res_attr_wc[DEVICE_COUNT_RESOURCE]; /* sysfs file for WC mapping of resources */ + +#ifdef CONFIG_PCIE_PTM + unsigned int ptm_root:1; + unsigned int ptm_enabled:1; +#endif #ifdef CONFIG_PCI_MSI const struct attribute_group **msi_irq_groups; #endif |