Home | History | Annotate | Line # | Download | only in linux 
      1 
      2 /*
      3  * Licensed Materials - Property of IBM
      4  *
      5  * trousers - An open source TCG Software Stack
      6  *
      7  * (C) Copyright International Business Machines Corp. 2004
      8  *
      9  */
     10 
     11 /*
     12  * include/linux/tpm.h
     13  *
     14  * Device driver for TCPA TPM (trusted platform module).
     15  */
     16 #ifndef _TPM_H_
     17 #define _TPM_H_
     18 
     19 #if (defined (__linux) || defined (linux))
     20 #include <linux/ioctl.h>
     21 #elif (defined (__OpenBSD__) || defined (__FreeBSD__) || defined(__NetBSD__))
     22 #include <sys/ioctl.h>
     23 #endif
     24 
     25 /* ioctl commands */
     26 #define	TPMIOC_CANCEL		_IO('T', 0x00)
     27 #define	TPMIOC_TRANSMIT		_IO('T', 0x01)
     28 
     29 #if defined(__KERNEL__)
     30 extern ssize_t tpm_transmit(const char *buf, size_t bufsiz);
     31 extern ssize_t tpm_extend(int index, u8 *digest);
     32 extern ssize_t tpm_pcrread(int index, u8 *hash);
     33 extern ssize_t tpm_dirread(int index, u8 *hash);
     34 extern ssize_t tpm_cap_version(int *maj, int *min, int *ver, int *rev);
     35 extern ssize_t tpm_cap_pcr(int *pcrs);
     36 extern ssize_t tpm_cap_dir(int *dirs);
     37 extern ssize_t tpm_cap_manufacturer(int *manufacturer);
     38 extern ssize_t tpm_cap_slot(int *slots);
     39 #endif /* __KERNEL__ */
     40 
     41 #endif
     42