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/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause*/
/*
* Copyright 2025 NXP
*/
#ifndef SE_IOCTL_H
#define SE_IOCTL_H
#include <linux/types.h>
#define SE_TYPE_STR_DBG "dbg"
#define SE_TYPE_STR_HSM "hsm"
#define SE_TYPE_ID_UNKWN 0x0
#define SE_TYPE_ID_DBG 0x1
#define SE_TYPE_ID_HSM 0x2
/* IOCTL definitions. */
struct se_ioctl_setup_iobuf {
__u64 user_buf;
__u32 length;
__u32 flags;
__u64 ele_addr;
};
struct se_ioctl_shared_mem_cfg {
__u32 base_offset;
__u32 size;
};
struct se_ioctl_get_if_info {
__u8 se_if_id;
__u8 interrupt_idx;
__u8 tz;
__u8 did;
__u8 cmd_tag;
__u8 rsp_tag;
__u8 success_tag;
__u8 base_api_ver;
__u8 fw_api_ver;
};
struct se_ioctl_cmd_snd_rcv_rsp_info {
__u64 tx_buf;
__u64 rx_buf;
__u32 tx_buf_sz;
__u32 rx_buf_sz;
};
struct se_ioctl_get_soc_info {
__u16 soc_id;
__u16 soc_rev;
};
/* IO Buffer Flags */
#define SE_IO_BUF_FLAGS_IS_OUTPUT (0x00u)
#define SE_IO_BUF_FLAGS_IS_INPUT (0x01u)
#define SE_IO_BUF_FLAGS_USE_SEC_MEM (0x02u)
#define SE_IO_BUF_FLAGS_USE_SHORT_ADDR (0x04u)
#define SE_IO_BUF_FLAGS_IS_IN_OUT (0x10u)
/* IOCTLS */
#define SE_IOCTL 0x0A /* like MISC_MAJOR. */
/*
* ioctl to designated the current fd as logical-receiver.
* This ioctl is send when the nvm-daemon, a slave to the
* firmware is started by the user.
*/
#define SE_IOCTL_CHECK_CMD_RCV_REG_STATUS _IO(SE_IOCTL, 0x01)
/*
* ioctl to get the buffer allocated from the memory, which is shared
* between kernel and FW.
* Post allocation, the kernel tagged the allocated memory with:
* Output
* Input
* Input-Output
* Short address
* Secure-memory
*/
#define SE_IOCTL_SETUP_IOBUF _IOWR(SE_IOCTL, 0x03, struct se_ioctl_setup_iobuf)
/*
* ioctl to get the mu information, that is used to exchange message
* with FW, from user-space.
*/
#define SE_IOCTL_GET_MU_INFO _IOR(SE_IOCTL, 0x04, struct se_ioctl_get_if_info)
/*
* ioctl to get SoC Info from user-space.
*/
#define SE_IOCTL_GET_SOC_INFO _IOR(SE_IOCTL, 0x06, struct se_ioctl_get_soc_info)
/*
* ioctl to send command and receive response from user-space.
*/
#define SE_IOCTL_CMD_SEND_RCV_RSP _IOWR(SE_IOCTL, 0x07, struct se_ioctl_cmd_snd_rcv_rsp_info)
#endif
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