Release 4.12 include/linux/tpm.h
/*
* Copyright (C) 2004,2007,2008 IBM Corporation
*
* Authors:
* Leendert van Doorn <leendert@watson.ibm.com>
* Dave Safford <safford@watson.ibm.com>
* Reiner Sailer <sailer@watson.ibm.com>
* Kylene Hall <kjhall@us.ibm.com>
* Debora Velarde <dvelarde@us.ibm.com>
*
* Maintained by: <tpmdd_devel@lists.sourceforge.net>
*
* Device driver for TCG/TCPA TPM (trusted platform module).
* Specifications at www.trustedcomputinggroup.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, version 2 of the
* License.
*
*/
#ifndef __LINUX_TPM_H__
#define __LINUX_TPM_H__
#define TPM_DIGEST_SIZE 20
/* Max TPM v1.2 PCR size */
/*
* Chip num is this value or a valid tpm idx
*/
#define TPM_ANY_NUM 0xFFFF
struct tpm_chip;
struct trusted_key_payload;
struct trusted_key_options;
enum TPM_OPS_FLAGS {
TPM_OPS_AUTO_STARTUP = BIT(0),
};
struct tpm_class_ops {
unsigned int flags;
const u8 req_complete_mask;
const u8 req_complete_val;
bool (*req_canceled)(struct tpm_chip *chip, u8 status);
int (*recv) (struct tpm_chip *chip, u8 *buf, size_t len);
int (*send) (struct tpm_chip *chip, u8 *buf, size_t len);
void (*cancel) (struct tpm_chip *chip);
u8 (*status) (struct tpm_chip *chip);
bool (*update_timeouts)(struct tpm_chip *chip,
unsigned long *timeout_cap);
int (*request_locality)(struct tpm_chip *chip, int loc);
void (*relinquish_locality)(struct tpm_chip *chip, int loc);
};
#if defined(CONFIG_TCG_TPM) || defined(CONFIG_TCG_TPM_MODULE)
extern int tpm_is_tpm2(u32 chip_num);
extern int tpm_pcr_read(u32 chip_num, int pcr_idx, u8 *res_buf);
extern int tpm_pcr_extend(u32 chip_num, int pcr_idx, const u8 *hash);
extern int tpm_send(u32 chip_num, void *cmd, size_t buflen);
extern int tpm_get_random(u32 chip_num, u8 *data, size_t max);
extern int tpm_seal_trusted(u32 chip_num,
struct trusted_key_payload *payload,
struct trusted_key_options *options);
extern int tpm_unseal_trusted(u32 chip_num,
struct trusted_key_payload *payload,
struct trusted_key_options *options);
#else
static inline int tpm_is_tpm2(u32 chip_num)
{
return -ENODEV;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jarkko Sakkinen | 14 | 100.00% | 1 | 100.00% |
| Total | 14 | 100.00% | 1 | 100.00% |
static inline int tpm_pcr_read(u32 chip_num, int pcr_idx, u8 *res_buf) {
return -ENODEV;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mimi Zohar | 21 | 100.00% | 1 | 100.00% |
| Total | 21 | 100.00% | 1 | 100.00% |
static inline int tpm_pcr_extend(u32 chip_num, int pcr_idx, const u8 *hash) {
return -ENODEV;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mimi Zohar | 22 | 100.00% | 1 | 100.00% |
| Total | 22 | 100.00% | 1 | 100.00% |
static inline int tpm_send(u32 chip_num, void *cmd, size_t buflen) {
return -ENODEV;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mimi Zohar | 21 | 100.00% | 1 | 100.00% |
| Total | 21 | 100.00% | 1 | 100.00% |
static inline int tpm_get_random(u32 chip_num, u8 *data, size_t max) {
return -ENODEV;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kent Yoder | 21 | 100.00% | 1 | 100.00% |
| Total | 21 | 100.00% | 1 | 100.00% |
static inline int tpm_seal_trusted(u32 chip_num,
struct trusted_key_payload *payload,
struct trusted_key_options *options)
{
return -ENODEV;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jarkko Sakkinen | 24 | 100.00% | 1 | 100.00% |
| Total | 24 | 100.00% | 1 | 100.00% |
static inline int tpm_unseal_trusted(u32 chip_num,
struct trusted_key_payload *payload,
struct trusted_key_options *options)
{
return -ENODEV;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jarkko Sakkinen | 24 | 100.00% | 1 | 100.00% |
| Total | 24 | 100.00% | 1 | 100.00% |
#endif
#endif
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jarkko Sakkinen | 142 | 31.77% | 2 | 18.18% |
| Jason Gunthorpe | 125 | 27.96% | 3 | 27.27% |
| Mimi Zohar | 86 | 19.24% | 3 | 27.27% |
| Rajiv Andrade | 53 | 11.86% | 1 | 9.09% |
| Kent Yoder | 36 | 8.05% | 1 | 9.09% |
| Randy Dunlap | 5 | 1.12% | 1 | 9.09% |
| Total | 447 | 100.00% | 11 | 100.00% |
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