diff --git a/MdeModulePkg/Include/Ppi/NvmExpressPassThru.h b/MdeModulePkg/Include/Ppi/NvmExpressPassThru.h
new file mode 100644
index 0000000000..cb5b3b3b18
--- /dev/null
+++ b/MdeModulePkg/Include/Ppi/NvmExpressPassThru.h
@@ -0,0 +1,156 @@
+/** @file
+
+ Copyright (c) 2019, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _EDKII_NVME_PASS_THRU_PPI_H_
+#define _EDKII_NVME_PASS_THRU_PPI_H_
+
+#include
+#include
+
+///
+/// Global ID for the EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI.
+///
+#define EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI_GUID \
+ { \
+ 0x6af31b2c, 0x3be, 0x46c1, { 0xb1, 0x2d, 0xea, 0x4a, 0x36, 0xdf, 0xa7, 0x4c } \
+ }
+
+//
+// Forward declaration for the EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI.
+//
+typedef struct _EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI;
+
+//
+// Revision The revision to which the Nvme Pass Thru PPI interface adheres.
+// All future revisions must be backwards compatible.
+// If a future version is not back wards compatible it is not the same GUID.
+//
+#define EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI_REVISION 0x00010000
+
+/**
+ Gets the device path information of the underlying NVM Express host controller.
+
+ @param[in] This The PPI instance pointer.
+ @param[out] DevicePathLength The length of the device path in bytes specified
+ by DevicePath.
+ @param[out] DevicePath The device path of the underlying NVM Express
+ host controller.
+ This field re-uses EFI Device Path Protocol as
+ defined by Section 10.2 EFI Device Path Protocol
+ of UEFI 2.7 Specification.
+
+ @retval EFI_SUCCESS The operation succeeds.
+ @retval EFI_INVALID_PARAMETER DevicePathLength or DevicePath is NULL.
+ @retval EFI_OUT_OF_RESOURCES The operation fails due to lack of resources.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_PEI_NVME_PASS_THRU_GET_DEVICE_PATH) (
+ IN EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI *This,
+ OUT UINTN *DevicePathLength,
+ OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
+ );
+
+/**
+ Used to retrieve the next namespace ID for this NVM Express controller.
+
+ If on input the value pointed to by NamespaceId is 0xFFFFFFFF, then the first
+ valid namespace ID defined on the NVM Express controller is returned in the
+ location pointed to by NamespaceId and a status of EFI_SUCCESS is returned.
+
+ If on input the value pointed to by NamespaceId is an invalid namespace ID
+ other than 0xFFFFFFFF, then EFI_INVALID_PARAMETER is returned.
+
+ If on input the value pointed to by NamespaceId is a valid namespace ID, then
+ the next valid namespace ID on the NVM Express controller is returned in the
+ location pointed to by NamespaceId, and EFI_SUCCESS is returned.
+
+ If the value pointed to by NamespaceId is the namespace ID of the last
+ namespace on the NVM Express controller, then EFI_NOT_FOUND is returned.
+
+ @param[in] This The PPI instance pointer.
+ @param[in,out] NamespaceId On input, a pointer to a legal NamespaceId
+ for an NVM Express namespace present on the
+ NVM Express controller. On output, a pointer
+ to the next NamespaceId of an NVM Express
+ namespace on an NVM Express controller. An
+ input value of 0xFFFFFFFF retrieves the
+ first NamespaceId for an NVM Express
+ namespace present on an NVM Express
+ controller.
+
+ @retval EFI_SUCCESS The Namespace ID of the next Namespace was
+ returned.
+ @retval EFI_NOT_FOUND There are no more namespaces defined on this
+ controller.
+ @retval EFI_INVALID_PARAMETER NamespaceId is an invalid value other than
+ 0xFFFFFFFF.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_PEI_NVME_PASS_THRU_GET_NEXT_NAMESPACE)(
+ IN EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI *This,
+ IN OUT UINT32 *NamespaceId
+ );
+
+
+/**
+ Sends an NVM Express Command Packet to an NVM Express controller or namespace. This function only
+ supports blocking execution of the command.
+
+ @param[in] This The PPI instance pointer.
+ @param[in] NamespaceId Is a 32 bit Namespace ID to which the Nvm Express command packet will
+ be sent.
+ A Value of 0 denotes the NVM Express controller, a Value of all 0FFh in
+ the namespace ID specifies that the command packet should be sent to all
+ valid namespaces.
+ @param[in,out] Packet A pointer to the EDKII PEI NVM Express PassThru Command Packet to send
+ to the NVMe namespace specified by NamespaceId.
+
+ @retval EFI_SUCCESS The EDKII PEI NVM Express Command Packet was sent by the host.
+ TransferLength bytes were transferred to, or from DataBuffer.
+ @retval EFI_NOT_READY The EDKII PEI NVM Express Command Packet could not be sent because
+ the controller is not ready. The caller may retry again later.
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to send the EDKII PEI NVM
+ Express Command Packet.
+ @retval EFI_INVALID_PARAMETER Namespace, or the contents of EDKII_PEI_NVM_EXPRESS_PASS_THRU_COMMAND_PACKET
+ are invalid.
+ The EDKII PEI NVM Express Command Packet was not sent, so no
+ additional status information is available.
+ @retval EFI_UNSUPPORTED The command described by the EDKII PEI NVM Express Command Packet
+ is not supported by the host adapter.
+ The EDKII PEI NVM Express Command Packet was not sent, so no
+ additional status information is available.
+ @retval EFI_TIMEOUT A timeout occurred while waiting for the EDKII PEI NVM Express Command
+ Packet to execute.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_PEI_NVME_PASS_THRU_PASSTHRU) (
+ IN EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI *This,
+ IN UINT32 NamespaceId,
+ IN OUT EFI_NVM_EXPRESS_PASS_THRU_COMMAND_PACKET *Packet
+ );
+
+//
+// This PPI contains a set of services to send commands
+// to a mass storage device.
+//
+struct _EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI {
+ UINT64 Revision;
+ EFI_NVM_EXPRESS_PASS_THRU_MODE *Mode;
+ EDKII_PEI_NVME_PASS_THRU_GET_DEVICE_PATH GetDevicePath;
+ EDKII_PEI_NVME_PASS_THRU_GET_NEXT_NAMESPACE GetNextNameSpace;
+ EDKII_PEI_NVME_PASS_THRU_PASSTHRU PassThru;
+};
+
+extern EFI_GUID gEdkiiPeiNvmExpressPassThruPpiGuid;
+
+#endif
diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 2dee139ba3..0b2b7322fe 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -469,6 +469,9 @@
## Include/Ppi/Debug.h
gEdkiiDebugPpiGuid = { 0x999e699c, 0xb013, 0x475e, { 0xb1, 0x7b, 0xf3, 0xa8, 0xae, 0x5c, 0x48, 0x75 } }
+ ## Include/Ppi/NvmExpressPassThru.h
+ gEdkiiPeiNvmExpressPassThruPpiGuid = { 0x6af31b2c, 0x3be, 0x46c1, { 0xb1, 0x2d, 0xea, 0x4a, 0x36, 0xdf, 0xa7, 0x4c } }
+
[Protocols]
## Load File protocol provides capability to load and unload EFI image into memory and execute it.
# Include/Protocol/LoadPe32Image.h