diff --git a/sys/dev/pci/pcireg.h b/sys/dev/pci/pcireg.h
index 47b6fb257768..1c71e9aff719 100644
--- a/sys/dev/pci/pcireg.h
+++ b/sys/dev/pci/pcireg.h
@@ -276,6 +276,8 @@
 #define	PCIP_STORAGE_SATA_AHCI_1_0	0x01
 #define	PCIS_STORAGE_SAS	0x07
 #define	PCIS_STORAGE_NVM	0x08
+#define	PCIP_STORAGE_NVM_NVMHCI_1_0	0x01
+#define	PCIP_STORAGE_NVM_ENTERPRISE_NVMHCI_1_0	0x02
 #define	PCIS_STORAGE_OTHER	0x80
 
 #define	PCIC_NETWORK	0x02