
/*
 * Licensed Materials - Property of IBM
 *
 * trousers - An open source TCG Software Stack
 *
 * (C) Copyright International Business Machines Corp. 2004
 *
 */

#ifndef _TCSPS_H_
#define _TCSPS_H_

#include "threads.h"

extern struct key_disk_cache *key_disk_cache_head;
/* file handles for the persistent stores */
extern int system_ps_fd;
/* The lock that surrounds all manipulations of the disk cache */
MUTEX_DECLARE_EXTERN(disk_cache_lock);

int		   get_file();
int		   put_file(int);
void		   close_file(int);
void		   ps_destroy();

TSS_RESULT  read_data(int, void *, UINT32);
TSS_RESULT  write_data(int, void *, UINT32);

int		   write_key_init(int, UINT32, UINT32, UINT32);
TSS_RESULT	   cache_key(UINT32, UINT16, TSS_UUID *, TSS_UUID *, UINT16, UINT32, UINT32);
TSS_RESULT	   UnloadBlob_KEY_PS(UINT16 *, BYTE *, TSS_KEY *);
TSS_RESULT	   psfile_get_parent_uuid_by_uuid(int, TSS_UUID *, TSS_UUID *);
TSS_RESULT	   psfile_remove_key_by_uuid(int, TSS_UUID *);
TSS_RESULT	   psfile_get_key_by_uuid(int, TSS_UUID *, BYTE *, UINT16 *);
TSS_RESULT	   psfile_get_key_by_cache_entry(int, struct key_disk_cache *, BYTE *, UINT16 *);
TSS_RESULT	   psfile_get_ps_type_by_uuid(int, TSS_UUID *, UINT32 *);
TSS_RESULT	   psfile_get_vendor_data(int, struct key_disk_cache *, UINT32 *, BYTE **);
TSS_RESULT	   psfile_is_pub_registered(int, TCPA_STORE_PUBKEY *, TSS_BOOL *);
TSS_RESULT	   psfile_get_uuid_by_pub(int, TCPA_STORE_PUBKEY *, TSS_UUID **);
TSS_RESULT	   psfile_write_key(int, TSS_UUID *, TSS_UUID *, UINT32 *, BYTE *, UINT32, BYTE *, UINT16);
TSS_RESULT	   psfile_remove_key(int, struct key_disk_cache *);
TCPA_STORE_PUBKEY *psfile_get_pub_by_tpm_handle(int, TCPA_KEY_HANDLE);
TSS_RESULT	   psfile_get_tpm_handle_by_pub(int, TCPA_STORE_PUBKEY *, TCPA_KEY_HANDLE *);
TSS_RESULT	   psfile_get_tcs_handle_by_pub(int, TCPA_STORE_PUBKEY *, TCS_KEY_HANDLE *);
TSS_RESULT	   psfile_get_parent_tcs_handle_by_pub(int, TCPA_STORE_PUBKEY *, TCS_KEY_HANDLE *);
TCPA_STORE_PUBKEY *psfile_get_pub_by_tcs_handle(int, TCS_KEY_HANDLE);
TSS_RESULT	   psfile_get_key_by_pub(int, TCPA_STORE_PUBKEY *, UINT32 *, BYTE **);
TSS_RESULT	   ps_remove_key(TSS_UUID *);
int		   init_disk_cache(int);
int		   close_disk_cache(int);
TSS_RESULT	   clean_disk_cache(int);

TSS_RESULT	   ps_write_key(TSS_UUID *, TSS_UUID *, BYTE *, UINT32, BYTE *, UINT32);
TSS_RESULT	   ps_get_key_by_uuid(TSS_UUID *, BYTE *, UINT16 *);
TSS_RESULT	   ps_get_key_by_cache_entry(struct key_disk_cache *, BYTE *, UINT16 *);
TSS_RESULT	   ps_get_vendor_data(struct key_disk_cache *, UINT32 *, BYTE **);
TSS_RESULT	   ps_init_disk_cache();
void		   ps_close_disk_cache();
TSS_RESULT	   ps_get_key_by_pub(TCPA_STORE_PUBKEY *, UINT32 *, BYTE **);

#ifdef TSS_BUILD_PS
#define PS_init_disk_cache()	ps_init_disk_cache()
#define PS_close_disk_cache()	ps_close_disk_cache()
#else
#define PS_init_disk_cache()	(TSS_SUCCESS)
#define PS_close_disk_cache()
#endif

#endif
