diff options
author | Bjorn Helgaas <bhelgaas@google.com> | 2016-09-01 09:04:55 -0500 |
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committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-09-01 09:04:55 -0500 |
commit | 9e18ad98ca71ca0cfcadf633547409829773f36a (patch) | |
tree | 66a761b8f3db00623fc112e32af55d909c628dcf /include/linux | |
parent | a4589a660662d16336353b1c66ad18e0a0a3eb1e (diff) | |
parent | 8b2ec318eece89be5e33d5313a25461a55a3177a (diff) |
Merge branch 'pci/ptm' into next
* pci/ptm:
PCI: Add PTM clock granularity information
PCI: Add pci_enable_ptm() for drivers to enable PTM on endpoints
PCI: Add Precision Time Measurement (PTM) support
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/pci.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 2599a980340f..7256f33b6a15 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -367,6 +367,12 @@ 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; + u8 ptm_granularity; +#endif #ifdef CONFIG_PCI_MSI const struct attribute_group **msi_irq_groups; #endif @@ -1402,6 +1408,13 @@ static inline void pci_disable_ats(struct pci_dev *d) { } static inline int pci_ats_queue_depth(struct pci_dev *d) { return -ENODEV; } #endif +#ifdef CONFIG_PCIE_PTM +int pci_enable_ptm(struct pci_dev *dev, u8 *granularity); +#else +static inline int pci_enable_ptm(struct pci_dev *dev, u8 *granularity) +{ return -EINVAL; } +#endif + void pci_cfg_access_lock(struct pci_dev *dev); bool pci_cfg_access_trylock(struct pci_dev *dev); void pci_cfg_access_unlock(struct pci_dev *dev); |