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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Kernelspace interface to the pkey device driver
*
* Copyright IBM Corp. 2016, 2023
*
* Author: Harald Freudenberger <freude@de.ibm.com>
*
*/
#ifndef _KAPI_PKEY_H
#define _KAPI_PKEY_H
#include <linux/ioctl.h>
#include <linux/types.h>
#include <uapi/asm/pkey.h>
/*
* In-kernel API: Transform an key blob (of any type) into a protected key.
* @param key pointer to a buffer containing the key blob
* @param keylen size of the key blob in bytes
* @param protkey pointer to buffer receiving the protected key
* @return 0 on success, negative errno value on failure
*/
int pkey_keyblob2pkey(const u8 *key, u32 keylen,
u8 *protkey, u32 *protkeylen, u32 *protkeytype);
#endif /* _KAPI_PKEY_H */
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