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https://github.com/AsahiLinux/u-boot
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3bb4db4c38
It is useful to read information about the current TPM state, where supported, e.g. for debugging purposes when verified boot fails. Add support for this to the TPM interface as well as Cr50. Add a simple sandbox test. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
28 lines
1.1 KiB
C
28 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (c) 2013 The Chromium OS Authors.
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* Coypright (c) 2013 Guntermann & Drunck GmbH
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*/
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#ifndef __TPM_USER_UTILS_H
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#define __TPM_USER_UTILS_H
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void print_byte_string(u8 *data, size_t count);
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void *parse_byte_string(char *bytes, u8 *data, size_t *count_ptr);
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int report_return_code(int return_code);
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int type_string_get_num_values(const char *type_str);
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size_t type_string_get_space_size(const char *type_str);
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void *type_string_alloc(const char *type_str, u32 *count);
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int type_string_pack(const char *type_str, char * const values[], u8 *data);
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int type_string_write_vars(const char *type_str, u8 *data, char * const vars[]);
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int get_tpm(struct udevice **devp);
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int do_tpm_device(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[]);
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int do_tpm_init(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
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int do_tpm_info(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
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int do_tpm_report_state(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[]);
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int do_tpm(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
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#endif /* __TPM_USER_UTILS_H */
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