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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
723723 #define PCI_EXT_CAP_ID_DPC 0x1D /* Downstream Port Containment */
724724 #define PCI_EXT_CAP_ID_L1SS 0x1E /* L1 PM Substates */
725725 #define PCI_EXT_CAP_ID_PTM 0x1F /* Precision Time Measurement */
726+#define PCI_EXT_CAP_ID_DVSEC 0x23 /* Designated Vendor-Specific */
726727 #define PCI_EXT_CAP_ID_DLF 0x25 /* Data Link Feature */
727728 #define PCI_EXT_CAP_ID_PL_16GT 0x26 /* Physical Layer 16.0 GT/s */
728729 #define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_PL_16GT
@@ -1066,6 +1067,10 @@ · 337 unmodified lines
10661067 #define PCI_L1SS_CTL1_LTR_L12_TH_SCALE 0xe0000000 /* LTR_L1.2_THRESHOLD_Scale */
10671068 #define PCI_L1SS_CTL2 0x0c /* Control 2 Register */
10681069
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+
10691074 /* Data Link Feature */
10701075 #define PCI_DLF_CAP 0x04 /* Capabilities Register */
10711076 #define PCI_DLF_EXCHANGE_ENABLE 0x80000000 /* Data Link Feature Exchange Enable */