/*
 * Copyright 2015 The Chromium OS Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef __TPM2_NV_FP_H
#define __TPM2_NV_FP_H

//
// Structure used to communicate locations and sizes of reserved objects in
// the NVMEM cache.
//
typedef struct {
  UINT16 offset;
  uint16_t size;
} NV_RESERVED_ITEM;


TPM_RC NvAddEvictObject(TPMI_DH_OBJECT evictHandle,  // IN: new evict handle
                        OBJECT *object               // IN: object to be added
                        );
UINT32 NvCapGetCounterAvail(void);
UINT32 NvCapGetCounterNumber(void);
UINT32 NvCapGetIndexNumber(void);
UINT32 NvCapGetPersistentAvail(void);
UINT32 NvCapGetPersistentNumber(void);
void NvCheckState(void);
BOOL NvCommit(void);
TPM_RC NvDefineIndex(
    TPMS_NV_PUBLIC *publicArea,  // IN: A template for an area to create.
    TPM2B_AUTH *authValue        // IN: The initial authorization value
    );
void NvDeleteEntity(TPM_HANDLE handle  // IN: handle of entity to be deleted
                    );
void NvEntityStartup(STARTUP_TYPE type  // IN: start up type
                     );
void NvFlushHierarchy(
    TPMI_RH_HIERARCHY hierarchy  // IN: hierarchy to be flushed.
    );
TPM_RC NvGetEvictObject(TPM_HANDLE handle,  // IN: handle
                        OBJECT *object      // OUT: object data
                        );
void NvGetIndexData(TPMI_RH_NV_INDEX handle,  //   IN: handle
                    NV_INDEX *nvIndex,        //   IN: RAM image of index header
                    UINT32 offset,            //   IN: offset of NV data
                    UINT16 size,              //   IN: size of NV data
                    void *data                //   OUT: data buffer
                    );
void NvGetIndexInfo(TPMI_RH_NV_INDEX handle,  // IN: handle
                    NV_INDEX *nvIndex         // OUT: NV index structure
                    );
void NvGetIntIndexData(TPMI_RH_NV_INDEX handle,  // IN: handle
                       NV_INDEX *nvIndex,  // IN: RAM image of NV Index header
                       UINT64 *data  // IN: UINT64 pointer for counter or bit
                       );
UINT16 NvGetName(TPMI_RH_NV_INDEX handle,  // IN: handle of the index
                 NAME *name                // OUT: name of the index
                 );
TPMI_YES_NO NvCapGetIndex(
    TPMI_DH_OBJECT handle,   // IN: start handle
    UINT32 count,            // IN: maximum number of returned handle
    TPML_HANDLE *handleList  // OUT: list of handle
    );
TPMI_YES_NO NvCapGetPersistent(
    TPMI_DH_OBJECT handle,   // IN: start handle
    UINT32 count,            // IN: maximum number of returned handle
    TPML_HANDLE *handleList  // OUT: list of handle
    );
TPM_RC NvIndexIsAccessible(TPMI_RH_NV_INDEX handle,  // IN: handle
                           TPM_CC commandCode        // IN: the command
                           );
void NvInit(void);
UINT64 NvInitialCounter(void);
TPM_RC NvIsAvailable(void);
BOOL NvIsOwnerPersistentHandle(TPM_HANDLE handle  // IN: handle
                               );
BOOL NvIsPlatformPersistentHandle(TPM_HANDLE handle  // IN: handle
                                  );
BOOL NvIsUndefinedIndex(TPMI_RH_NV_INDEX handle  // IN: handle
                        );
BOOL NvPowerOn(void);
void NvReadPersistent(void);
void NvReadReserved(NV_RESERVE type,  // IN: type of reserved data
                    void *buffer      // OUT: buffer receives the data.
                    );
void NvSetGlobalLock(void);
void NvStateSave(void);
TPM_RC NvWriteIndexData(TPMI_RH_NV_INDEX handle,  //   IN: handle
                        NV_INDEX *nvIndex,        //   IN: RAM copy of NV Index
                        UINT32 offset,            //   IN: offset of NV data
                        UINT32 size,              //   IN: size of NV data
                        void *data                //   OUT: data buffer
                        );
TPM_RC NvWriteIndexInfo(TPMI_RH_NV_INDEX handle,  // IN: handle
                        NV_INDEX *nvIndex  // IN: NV Index info to be written
                        );
void NvWriteReserved(NV_RESERVE type,  // IN: type of reserved data
                     void *buffer      // IN: data buffer
                     );
BOOL NvEarlyStageFindHandle(TPM_HANDLE handle);
BOOL NvIsDefinedHiddenObject(TPMI_RH_NV_INDEX handle  // IN: handle
                        );
TPM_RC NvAddHiddenObject(TPM_HANDLE handle,  // IN: new evict handle
                         UINT16 size,
                         void *object               // IN: object to be added
                        );
TPM_RC NvWriteHiddenObject(TPM_HANDLE handle,  // IN: new evict handle
                         UINT16 size,
                         void *object               // IN: object to be added
                        );
TPM_RC NvGetHiddenObject(
    TPM_HANDLE          handle,            //   IN: handle
    UINT16                    size,              //   IN: size of NV data
    void                     *data               //   OUT: data buffer
                  );
void NvSelectivelyInvalidateCache(
     const UINT16 *keep_range  // A two element array, the inclusive range of
                               // NV indices to preserve.
                 );
void NvGetReserved(UINT32 index, NV_RESERVED_ITEM *ri);

#endif  // __TPM2_NV_FP_H