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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __CPU__INTEL__MICROCODE__
#define __CPU__INTEL__MICROCODE__
#include <stdint.h>
/* Find the microcode and reload the microcode if SoC has RELOAD_MICROCODE_PATCH
* config selected. */
void intel_reload_microcode(void);
void intel_update_microcode_from_cbfs(void);
/* Find a microcode that matches the revision and platform family returning
* NULL if none found. The found microcode is cached for faster access on
* subsequent calls of this function.
*
* Since this function caches the found microcode (NULL or a valid microcode
* pointer), it is expected to be run from BSP before starting any other APs.
* It is not multithread safe otherwise. */
const void *intel_microcode_find(void);
/* It is up to the caller to determine if parallel loading is possible as
* well as ensuring the microcode matches the family and revision (i.e. with
* intel_microcode_find()). */
void intel_microcode_load_unlocked(const void *microcode_patch);
/* SoC specific check to determine if microcode update is really
* required, will skip microcode update if true. */
int soc_skip_ucode_update(u32 current_patch_id, u32 new_patch_id);
/* return the version of the currently running microcode */
uint32_t get_current_microcode_rev(void);
/* extract microcode revision from the given patch */
uint32_t get_microcode_rev(const void *microcode);
/* extract microcode size from the given patch */
uint32_t get_microcode_size(const void *microcode);
/* extract checksum from the given patch */
uint32_t get_microcode_checksum(const void *microcode);
#endif
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