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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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01ad1fa75d
This replaces the static initialization of a tpm_vendor_specific structure in the drivers with the standard Linux idiom of providing a const structure of function pointers. Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Reviewed-by: Joel Schopp <jschopp@linux.vnet.ibm.com> Reviewed-by: Ashley Lai <adlai@linux.vnet.ibm.com> [phuewe: did apply manually due to commit 191ffc6bde3 tpm/tpm_i2c_atmel: fix coccinelle warnings] Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/*
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* Copyright (C) 2004,2007,2008 IBM Corporation
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*
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* Authors:
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* Leendert van Doorn <leendert@watson.ibm.com>
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* Dave Safford <safford@watson.ibm.com>
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* Reiner Sailer <sailer@watson.ibm.com>
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* Kylene Hall <kjhall@us.ibm.com>
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* Debora Velarde <dvelarde@us.ibm.com>
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*
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* Maintained by: <tpmdd_devel@lists.sourceforge.net>
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*
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* Device driver for TCG/TCPA TPM (trusted platform module).
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* Specifications at www.trustedcomputinggroup.org
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2 of the
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* License.
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*
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*/
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#ifndef __LINUX_TPM_H__
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#define __LINUX_TPM_H__
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#define TPM_DIGEST_SIZE 20 /* Max TPM v1.2 PCR size */
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/*
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* Chip num is this value or a valid tpm idx
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*/
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#define TPM_ANY_NUM 0xFFFF
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struct tpm_chip;
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struct tpm_class_ops {
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const u8 req_complete_mask;
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const u8 req_complete_val;
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bool (*req_canceled)(struct tpm_chip *chip, u8 status);
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int (*recv) (struct tpm_chip *chip, u8 *buf, size_t len);
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int (*send) (struct tpm_chip *chip, u8 *buf, size_t len);
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void (*cancel) (struct tpm_chip *chip);
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u8 (*status) (struct tpm_chip *chip);
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};
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#if defined(CONFIG_TCG_TPM) || defined(CONFIG_TCG_TPM_MODULE)
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extern int tpm_pcr_read(u32 chip_num, int pcr_idx, u8 *res_buf);
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extern int tpm_pcr_extend(u32 chip_num, int pcr_idx, const u8 *hash);
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extern int tpm_send(u32 chip_num, void *cmd, size_t buflen);
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extern int tpm_get_random(u32 chip_num, u8 *data, size_t max);
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#else
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static inline int tpm_pcr_read(u32 chip_num, int pcr_idx, u8 *res_buf) {
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return -ENODEV;
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}
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static inline int tpm_pcr_extend(u32 chip_num, int pcr_idx, const u8 *hash) {
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return -ENODEV;
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}
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static inline int tpm_send(u32 chip_num, void *cmd, size_t buflen) {
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return -ENODEV;
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}
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static inline int tpm_get_random(u32 chip_num, u8 *data, size_t max) {
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return -ENODEV;
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}
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#endif
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#endif
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