diff --git a/efi.h b/efi.h
index ff85820..db26658 100644
--- a/efi.h
+++ b/efi.h
@@ -23,6 +23,7 @@ typedef struct {
 #include "protocols/debugger.h"
 #include "protocols/decompress.h"
 #include "protocols/device_path.h"
+#include "protocols/fwmgmnt.h"
 #include "protocols/loaded_image.h"
 #include "protocols/media_access.h"
 #include "protocols/pci_bus.h"
diff --git a/protocols/fwmgmnt.h b/protocols/fwmgmnt.h
new file mode 100644
index 0000000..bd8f8ab
--- /dev/null
+++ b/protocols/fwmgmnt.h
@@ -0,0 +1,250 @@
+#ifndef EFI_PROTOCOLS_FWMGMNT_H
+#define EFI_PROTOCOLS_FWMGMNT_H
+
+////
+// Firmware Management Protocol
+///
+
+#define EFI_FIRMWARE_MANAGEMENT_PROTOCOL_GUID {0x86c77a67,0xb97,0x4633, {0xa1,0x87,0x49,0x10,0x4d,0x06,0x85,0xc7}}
+
+// Image Attributes
+#define IMAGE_ATTRIBUTE_IMAGE_UPDATABLE 0x0000000000000001
+#define IMAGE_ATTRIBUTE_RESET_REQUIRED 0x0000000000000002
+#define IMAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED 0x0000000000000004
+#define IMAGE_ATTRIBUTE_IN_USE 0x0000000000000008
+#define IMAGE_ATTRIBUTE_UEFI_IMAGE 0x0000000000000010
+#define IMAGE_ATTRIBUTE_DEPENDENCY 0x0000000000000020
+
+// Image Compatibility
+#define IMAGE_COMPATIBILITY_CHECK_SUPPORTED 0x0000000000000001
+
+// Descriptor Version exposed by GetImageInfo() function
+#define EFI_FIRMWARE_IMAGE_DESCRIPTOR_VERSION 3
+
+// ImageUpdatable
+#define IMAGE_UPDATABLE_VALID 0x0000000000000001
+#define IMAGE_UPDATABLE_INVALID 0x0000000000000002
+#define IMAGE_UPDATABLE_INVALID_TYPE 0x0000000000000004
+#define IMAGE_UPDATABLE_INVALID_OLD 0x0000000000000008
+#define IMAGE_UPDATABLE_VALID_WITH_VENDOR_CODE 0x0000000000000010
+
+// Package Attributes
+#define PACKAGE_ATTRIBUTE_VERSION_UPDATABLE 0x0000000000000001
+#define PACKAGE_ATTRIBUTE_RESET_REQUIRED 0x0000000000000002
+#define PACKAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED 0x0000000000000004
+
+#define CAPSULE_SUPPORT_AUTHENTICATION 0x0000000000000001
+#define CAPSULE_SUPPORT_DEPENDENCY 0x0000000000000002
+
+typedef struct _EFI_FIRMWARE_MANAGEMENT_PROTOCOL EFI_FIRMWARE_MANAGEMENT_PROTOCOL;
+
+// typedef struct {
+//	UINT8 Dependencies[];
+// } EFI_FIRMWARE_IMAGE_DEP;
+
+typedef struct {
+	UINT64 MonotonicCount;
+	//WIN_CERTIFICATE_UEFI_GUID AuthInfo;
+} EFI_FIRMWARE_IMAGE_AUTHENTICATION;
+
+typedef struct {
+	UINT8 ImageIndex;
+	EFI_GUID ImageTypeId;
+	UINT64 ImageId;
+	CHAR16 *ImageIdName;
+	UINT32 Version;
+	CHAR16 *VersionName;
+	UINTN Size;
+	UINT64 AttributesSupported;
+	UINT64 AttributesSetting;
+	UINT64 Compatibilities;
+	//Introduced with DescriptorVersion 2+
+	UINT32 LowestSupportedImageVersion; \
+	//Introduced with DescriptorVersion 3+
+	UINT32 LastAttemptVersion;
+	UINT32 LastAttemptStatus;
+	UINT64 HardwareInstance;
+	//Introduced with DescriptorVersion 4+
+	// EFI_FIRMWARE_IMAGE_DEP *Dependencies;
+} EFI_FIRMWARE_IMAGE_DESCRIPTOR;
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_FIRMWARE_MANAGEMENT_PROTOCOL_GET_IMAGE_INFO)(
+	IN EFI_FIRMWARE_MANAGEMENT_PROTOCOL *This,
+	IN OUT UINTN *ImageInfoSize,
+	IN OUT EFI_FIRMWARE_IMAGE_DESCRIPTOR *ImageInfo,
+	OUT UINT32 *DescriptorVersion,
+	OUT UINT8 *DescriptorCount,
+	OUT UINTN *DescriptorSize,
+	OUT UINT32 *PackageVersion,
+	OUT CHAR16 **PackageVersionName
+);
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_FIRMWARE_MANAGEMENT_PROTOCOL_GET_IMAGE)(
+	IN EFI_FIRMWARE_MANAGEMENT_PROTOCOL *This,
+	IN UINT8 ImageIndex,
+	OUT VOID *Image,
+	IN OUT UINTN *ImageSize
+);
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_FIRMWARE_MANAGEMENT_UPDATE_IMAGE_PROGRESS)(
+	IN UINTN Completion
+);
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_FIRMWARE_MANAGEMENT_PROTOCOL_SET_IMAGE)(
+	IN EFI_FIRMWARE_MANAGEMENT_PROTOCOL *This,
+	IN UINT8 ImageIndex,
+	IN CONST VOID *Image,
+	IN UINTN ImageSize,
+	IN CONST VOID *VendorCode,
+	IN EFI_FIRMWARE_MANAGEMENT_UPDATE_IMAGE_PROGRESS Progress,
+	OUT CHAR16 **AbortReason
+);
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_FIRMWARE_MANAGEMENT_PROTOCOL_CHECK_IMAGE)(
+	IN EFI_FIRMWARE_MANAGEMENT_PROTOCOL *This,
+	IN UINT8 ImageIndex,
+	IN CONST VOID *Image,
+	IN UINTN ImageSize,
+	OUT UINT32 *ImageUpdatable
+);
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_FIRMWARE_MANAGEMENT_PROTOCOL_GET_PACKAGE_INFO)(
+	IN EFI_FIRMWARE_MANAGEMENT_PROTOCOL* *This,
+	OUT UINT32 *PackageVersion,
+	OUT CHAR16 **PackageVersionName,
+	OUT UINT32 *PackageVersionNameMaxLen,
+	OUT UINT64 *AttributesSupported,
+	OUT UINT64 *AttributesSetting
+);
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_FIRMWARE_MANAGEMENT_PROTOCOL_SET_PACKAGE_INFO)(
+	IN EFI_FIRMWARE_MANAGEMENT_PROTOCOL* *This,
+	IN CONST VOID *Image,
+	IN UINTN ImageSize,
+	IN CONST VOID *VendorCode,
+	IN UINT32 PackageVersion,
+	IN CONST CHAR16 *PackageVersionName
+) ;
+
+typedef struct _EFI_FIRMWARE_MANAGEMENT_PROTOCOL {
+	EFI_FIRMWARE_MANAGEMENT_PROTOCOL_GET_IMAGE_INFO GetImageInfo;
+	EFI_FIRMWARE_MANAGEMENT_PROTOCOL_GET_IMAGE GetImage;
+	EFI_FIRMWARE_MANAGEMENT_PROTOCOL_SET_IMAGE SetImage;
+	EFI_FIRMWARE_MANAGEMENT_PROTOCOL_CHECK_IMAGE CheckImage;
+	EFI_FIRMWARE_MANAGEMENT_PROTOCOL_GET_PACKAGE_INFO GetPackageInfo;
+	EFI_FIRMWARE_MANAGEMENT_PROTOCOL_SET_PACKAGE_INFO SetPackageInfo;
+} EFI_FIRMWARE_MANAGEMENT_PROTOCOL;
+
+////
+// Delivering Capsules Containing Updates to Firmware Management Protocol
+///
+
+#define EFI_FIRMWARE_MANAGEMENT_CAPSULE_ID_GUID {0x6dcbd5ed,0xe82d,0x4c44, {0xbd,0xa1,0x71,0x94,0x19,0x9a,0xd9,0x2a}}
+
+// Firmware Type Definitions
+#define ESRT_FW_TYPE_UNKNOWN 0x00000000
+#define ESRT_FW_TYPE_SYSTEMFIRMWARE 0x00000001
+#define ESRT_FW_TYPE_DEVICEFIRMWARE 0x00000002
+#define ESRT_FW_TYPE_UEFIDRIVER 0x00000003
+
+// Last Attempt Status Values
+#define LAST_ATTEMPT_STATUS_SUCCESS 0x00000000
+#define LAST_ATTEMPT_STATUS_ERROR_UNSUCCESSFUL 0x00000001
+#define LAST_ATTEMPT_STATUS_ERROR_INSUFFICIENT_RESOURCES 0x00000002
+#define LAST_ATTEMPT_STATUS_ERROR_INCORRECT_VERSION 0x00000003
+#define LAST_ATTEMPT_STATUS_ERROR_INVALID_FORMAT 0x00000004
+#define LAST_ATTEMPT_STATUS_ERROR_AUTH_ERROR 0x00000005
+#define LAST_ATTEMPT_STATUS_ERROR_PWR_EVT_AC 0x00000006
+#define LAST_ATTEMPT_STATUS_ERROR_PWR_EVT_BATT 0x00000007
+#define LAST_ATTEMPT_STATUS_ERROR_UNSATISFIED_DEPENDENCIES 0x00000008
+// The LastAttemptStatus values of 0x1000 - 0x4000 are reserved for vendor usage.
+#define LAST_ATTEMPT_STATUS_ERROR_UNSUCCESSFUL_VENDOR_RANGE_MIN 0x00001000
+#define LAST_ATTEMPT_STATUS_ERROR_UNSUCCESSFUL_VENDOR_RANGE_MAX 0x00004000
+
+#pragma pack(1)
+typedef struct {
+	UINT32 Version;
+	UINT16 EmbeddedDriverCount;
+	UINT16 PayloadItemCount;
+	// UINT64 ItemOffsetList[];
+} EFI_FIRMWARE_MANAGEMENT_CAPSULE_HEADER;
+
+typedef struct {
+	UINT32 Version;
+	EFI_GUID UpdateImageTypeId;
+	UINT8 UpdateImageIndex;
+	UINT8 reserved_bytes[3];
+	UINT32 UpdateImageSize;
+	UINT32 UpdateVendorCodeSize;
+	UINT64 UpdateHardwareInstance;
+	UINT64 ImageCapsuleSupport;
+} EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER;
+#pragma pack()
+
+////
+// EFI System Resource Table
+///
+
+#define EFI_SYSTEM_RESOURCE_TABLE_GUID {0xb122a263,0x3661,0x4f68, {0x99,0x29,0x78,0xf8,0xb0,0xd6,0x21,0x80}}
+
+// Current Entry Version
+#define EFI_SYSTEM_RESOURCE_TABLE_FIRMWARE_RESOURCE_VERSION 1
+
+typedef struct {
+	EFI_GUID FwClass;
+	UINT32 FwType;
+	UINT32 FwVersion;
+	UINT32 LowestSupportedFwVersion;
+	UINT32 CapsuleFlags;
+	UINT32 LastAttemptVersion;
+	UINT32 LastAttemptStatus;
+} EFI_SYSTEM_RESOURCE_ENTRY;
+
+typedef struct {
+	UINT32 FwResourceCount;
+	UINT32 FwResourceCountMax;
+	UINT64 FwResourceVersion;
+	//EFI_SYSTEM_RESOURCE_ENTRY Entries[];
+} EFI_SYSTEM_RESOURCE_TABLE;
+
+////
+// Delivering Capsule Containing JSON payload
+///
+
+#define EFI_JSON_CAPSULE_ID_GUID {0x67d6f4cd,0xd6b8,0x4573, {0xbf,0x4a,0xde,0x5e,0x25,0x2d,0x61,0xae}}
+
+typedef struct {
+	UINT32 ConfigDataLength;
+	UINT8 ConfigData[];
+} EFI_JSON_CONFIG_DATA_ITEM;
+
+#pragma pack(1)
+typedef struct {
+	UINT32 Version;
+	UINT32 CapsuleId;
+	UINT32 PayloadLength;
+	UINT8 Payload[];
+} EFI_JSON_CAPSULE_HEADER;
+
+typedef struct {
+	UINT32 Version;
+	UINT32 TotalLength;
+	// EFI_JSON_CONFIG_DATA_ITEM ConfigDataList[];
+} EFI_JSON_CAPSULE_CONFIG_DATA;
+#pragma pack ()
+
+#endif /* EFI_PROTOCOLS_FWMGMNT_H */