50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
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/*
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* This file is part of the coreboot project.
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _SMMSTORE_H_
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#define _SMMSTORE_H_
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#include <stddef.h>
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#include <stdint.h>
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#define SMMSTORE_RET_SUCCESS 0
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#define SMMSTORE_RET_FAILURE 1
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#define SMMSTORE_RET_UNSUPPORTED 2
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#define SMMSTORE_CMD_CLEAR 1
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#define SMMSTORE_CMD_READ 2
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#define SMMSTORE_CMD_APPEND 3
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struct smmstore_params_read {
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void *buf;
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ssize_t bufsize;
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};
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struct smmstore_params_append {
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void *key;
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size_t keysize;
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void *val;
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size_t valsize;
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};
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/* SMM responder */
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uint32_t smmstore_exec(uint8_t command, void *param);
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/* implementation */
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int smmstore_read_region(void *buf, ssize_t *bufsize);
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int smmstore_append_data(void *key, uint32_t key_sz,
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void *value, uint32_t value_sz);
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int smmstore_clear_region(void);
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#endif
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