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| author | Bjorn Helgaas <bhelgaas@google.com> | 2016-09-01 17:04:55 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-09-01 17:04:55 +0300 |
| commit | 9e18ad98ca71ca0cfcadf633547409829773f36a (patch) | |
| tree | 66a761b8f3db00623fc112e32af55d909c628dcf /include/uapi/linux | |
| parent | a4589a660662d16336353b1c66ad18e0a0a3eb1e (diff) | |
| parent | 8b2ec318eece89be5e33d5313a25461a55a3177a (diff) | |
| download | linux-9e18ad98ca71ca0cfcadf633547409829773f36a.tar.xz | |
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/uapi/linux')
| -rw-r--r-- | include/uapi/linux/pci_regs.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index 404095124ae2..d812172d1d7b 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -671,7 +671,8 @@ #define PCI_EXT_CAP_ID_PMUX 0x1A /* Protocol Multiplexing */ #define PCI_EXT_CAP_ID_PASID 0x1B /* Process Address Space ID */ #define PCI_EXT_CAP_ID_DPC 0x1D /* Downstream Port Containment */ -#define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_DPC +#define PCI_EXT_CAP_ID_PTM 0x1F /* Precision Time Measurement */ +#define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_PTM #define PCI_EXT_CAP_DSN_SIZEOF 12 #define PCI_EXT_CAP_MCAST_ENDPOINT_SIZEOF 40 @@ -964,4 +965,13 @@ #define PCI_EXP_DPC_SOURCE_ID 10 /* DPC Source Identifier */ +/* Precision Time Measurement */ +#define PCI_PTM_CAP 0x04 /* PTM Capability */ +#define PCI_PTM_CAP_REQ 0x00000001 /* Requester capable */ +#define PCI_PTM_CAP_ROOT 0x00000004 /* Root capable */ +#define PCI_PTM_GRANULARITY_MASK 0x0000FF00 /* Clock granularity */ +#define PCI_PTM_CTRL 0x08 /* PTM Control */ +#define PCI_PTM_CTRL_ENABLE 0x00000001 /* PTM enable */ +#define PCI_PTM_CTRL_ROOT 0x00000002 /* Root select */ + #endif /* LINUX_PCI_REGS_H */ |