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-rw-r--r--include/uapi/linux/pci_regs.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index 662582bdccf0..b6622fd60fd9 100644
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -1379,6 +1379,12 @@
/* CXL r4.0, 8.1.7: GPF DVSEC for CXL Device */
#define PCI_DVSEC_CXL_DEVICE_GPF 5
+/* CXL r4.0, 8.1.8: Flex Bus DVSEC */
+#define PCI_DVSEC_CXL_FLEXBUS_PORT 7
+#define PCI_DVSEC_CXL_FLEXBUS_PORT_STATUS 0xE
+#define PCI_DVSEC_CXL_FLEXBUS_PORT_STATUS_CACHE _BITUL(0)
+#define PCI_DVSEC_CXL_FLEXBUS_PORT_STATUS_MEM _BITUL(2)
+
/* CXL r4.0, 8.1.9: Register Locator DVSEC */
#define PCI_DVSEC_CXL_REG_LOCATOR 8
#define PCI_DVSEC_CXL_REG_LOCATOR_BLOCK1 0xC