/* SPDX-License-Identifier: GPL-2.0 */
|
|
/* Copyright (c) 2021 Rockchip Electronics Co. Ltd. */
|
|
#ifndef __RK_CRYPTODEV_H__
|
#define __RK_CRYPTODEV_H__
|
|
#include <linux/device.h>
|
#include <uapi/linux/rk_cryptodev.h>
|
#include "cryptodev.h"
|
|
/* compatibility stuff */
|
#ifdef CONFIG_COMPAT
|
#include <linux/compat.h>
|
|
/* input of RIOCCRYPT_FD */
|
struct compat_crypt_fd_op {
|
uint32_t ses; /* session identifier */
|
uint16_t op; /* COP_ENCRYPT or COP_DECRYPT */
|
uint16_t flags; /* see COP_FLAG_* */
|
uint32_t len; /* length of source data */
|
int src_fd; /* source data */
|
int dst_fd; /* pointer to output data */
|
compat_uptr_t mac;/* pointer to output data for hash/MAC operations */
|
compat_uptr_t iv;/* initialization vector for encryption operations */
|
};
|
|
/* input of RIOCCRYPT_FD_MAP/RIOCCRYPT_FD_UNMAP */
|
struct compat_crypt_fd_map_op {
|
int dma_fd; /* session identifier */
|
uint32_t phys_addr; /* physics addr */
|
};
|
|
/* compat ioctls, defined for the above structs */
|
#define COMPAT_RIOCCRYPT_FD _IOWR('r', 104, struct compat_crypt_fd_op)
|
#define COMPAT_RIOCCRYPT_FD_MAP _IOWR('r', 105, struct compat_crypt_fd_map_op)
|
#define COMPAT_RIOCCRYPT_FD_UNMAP _IOW('r', 106, struct compat_crypt_fd_map_op)
|
#define COMPAT_RIOCCRYPT_CPU_ACCESS _IOW('r', 107, struct compat_crypt_fd_map_op)
|
#define COMPAT_RIOCCRYPT_DEV_ACCESS _IOW('r', 108, struct compat_crypt_fd_map_op)
|
|
|
#endif /* CONFIG_COMPAT */
|
|
/* kernel-internal extension to struct crypt_op */
|
struct kernel_crypt_fd_op {
|
struct crypt_fd_op cop;
|
|
int ivlen;
|
__u8 iv[EALG_MAX_BLOCK_LEN];
|
|
int digestsize;
|
uint8_t hash_output[AALG_MAX_RESULT_LEN];
|
|
struct task_struct *task;
|
struct mm_struct *mm;
|
};
|
|
struct kernel_crypt_auth_fd_op {
|
struct crypt_auth_fd_op caop;
|
|
int dst_len; /* based on src_len */
|
__u8 iv[EALG_MAX_BLOCK_LEN];
|
int ivlen;
|
|
struct task_struct *task;
|
struct mm_struct *mm;
|
};
|
|
/* kernel-internal extension to struct crypt_fd_map_op */
|
struct kernel_crypt_fd_map_op {
|
struct crypt_fd_map_op mop;
|
};
|
|
/* kernel-internal extension to struct crypt_op */
|
struct kernel_crypt_rsa_op {
|
struct crypt_rsa_op rop;
|
|
struct task_struct *task;
|
struct mm_struct *mm;
|
};
|
|
#if IS_ENABLED(CONFIG_CRYPTO_DEV_ROCKCHIP_DEV)
|
int rk_cryptodev_register_dev(struct device *dev, const char *name);
|
int rk_cryptodev_unregister_dev(struct device *dev);
|
#else
|
static inline int rk_cryptodev_register_dev(struct device *dev, const char *name)
|
{
|
return 0;
|
}
|
|
static inline int rk_cryptodev_unregister_dev(struct device *dev)
|
{
|
return 0;
|
}
|
#endif
|
|
long
|
rk_cryptodev_ioctl(struct fcrypt *fcr, unsigned int cmd, unsigned long arg_);
|
|
long
|
rk_compat_cryptodev_ioctl(struct fcrypt *fcr, unsigned int cmd, unsigned long arg_);
|
|
const char *rk_get_cipher_name(uint32_t id, int *is_stream, int *is_aead);
|
|
const char *rk_get_hash_name(uint32_t id, int *is_hmac);
|
|
bool rk_cryptodev_multi_thread(const char *name);
|
|
#endif
|
