2020-04-02 23:48:27 +02:00
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/* SPDX-License-Identifier: GPL-2.0-only */
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2018-03-14 21:11:21 +01:00
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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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