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Diffstat (limited to 'include/uapi/linux/pci_regs.h')
-rw-r--r--include/uapi/linux/pci_regs.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index a39193213ff2..6024eb2e9a2f 100644
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -1148,4 +1148,9 @@
#define PCI_DOE_DATA_OBJECT_DISC_RSP_3_PROTOCOL 0x00ff0000
#define PCI_DOE_DATA_OBJECT_DISC_RSP_3_NEXT_INDEX 0xff000000
+/* Compute Express Link (CXL r3.1, sec 8.1.5) */
+#define PCI_DVSEC_CXL_PORT 3
+#define PCI_DVSEC_CXL_PORT_CTL 0x0c
+#define PCI_DVSEC_CXL_PORT_CTL_UNMASK_SBR 0x00000001
+
#endif /* LINUX_PCI_REGS_H */