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PCI: Add defines for Designated Vendor-Specific Extended Capability

Add PCIe Designated Vendor-Specific Extended Capability (DVSEC) and defines for the header offsets. Defined in PCIe r5.0, sec 7.9.6.

David E. Box committed 6 years ago

Commit 1dc2da51 parent 3650b221 file · +5 −0Browse files

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include/uapi/linux/pci_regs.h+5−0
@@ -723,6 +723,7 @@ · 722 unmodified lines
723#define PCI_EXT_CAP_ID_DPC 0x1D /* Downstream Port Containment */723#define PCI_EXT_CAP_ID_DPC 0x1D /* Downstream Port Containment */
724#define PCI_EXT_CAP_ID_L1SS 0x1E /* L1 PM Substates */724#define PCI_EXT_CAP_ID_L1SS 0x1E /* L1 PM Substates */
725#define PCI_EXT_CAP_ID_PTM 0x1F /* Precision Time Measurement */725#define PCI_EXT_CAP_ID_PTM 0x1F /* Precision Time Measurement */
726#define PCI_EXT_CAP_ID_DVSEC 0x23 /* Designated Vendor-Specific */
726#define PCI_EXT_CAP_ID_DLF 0x25 /* Data Link Feature */727#define PCI_EXT_CAP_ID_DLF 0x25 /* Data Link Feature */
727#define PCI_EXT_CAP_ID_PL_16GT 0x26 /* Physical Layer 16.0 GT/s */728#define PCI_EXT_CAP_ID_PL_16GT 0x26 /* Physical Layer 16.0 GT/s */
728#define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_PL_16GT729#define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_PL_16GT
@@ -1066,6 +1067,10 @@ · 337 unmodified lines
1066#define PCI_L1SS_CTL1_LTR_L12_TH_SCALE 0xe0000000 /* LTR_L1.2_THRESHOLD_Scale */1067#define PCI_L1SS_CTL1_LTR_L12_TH_SCALE 0xe0000000 /* LTR_L1.2_THRESHOLD_Scale */
1067#define PCI_L1SS_CTL2 0x0c /* Control 2 Register */1068#define PCI_L1SS_CTL2 0x0c /* Control 2 Register */
1068 1069
1070/* Designated Vendor-Specific (DVSEC, PCI_EXT_CAP_ID_DVSEC) */
1071#define PCI_DVSEC_HEADER1 0x4 /* Designated Vendor-Specific Header1 */
1072#define PCI_DVSEC_HEADER2 0x8 /* Designated Vendor-Specific Header2 */
1073
1069/* Data Link Feature */1074/* Data Link Feature */
1070#define PCI_DLF_CAP 0x04 /* Capabilities Register */1075#define PCI_DLF_CAP 0x04 /* Capabilities Register */
1071#define PCI_DLF_EXCHANGE_ENABLE 0x80000000 /* Data Link Feature Exchange Enable */1076#define PCI_DLF_EXCHANGE_ENABLE 0x80000000 /* Data Link Feature Exchange Enable */