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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2018 Linaro Limited
*/
#ifndef __OPTEE_PRIVATE_H
#define __OPTEE_PRIVATE_H
#include <tee.h>
#include <log.h>
/**
* struct optee_private - OP-TEE driver private data
* @rpmb_mmc: mmc device for the RPMB partition
* @rpmb_dev_id: mmc device id matching @rpmb_mmc
* @rpmb_original_part: the previosly active partition on the mmc device,
* used to restore active the partition when the RPMB
* accesses are finished
*/
struct optee_private {
struct mmc *rpmb_mmc;
int rpmb_dev_id;
int rpmb_original_part;
};
struct optee_msg_arg;
void optee_suppl_cmd(struct udevice *dev, struct tee_shm *shm_arg,
void **page_list);
#ifdef CONFIG_SUPPORT_EMMC_RPMB
/**
* optee_suppl_cmd_rpmb() - route RPMB frames to mmc
* @dev: device with the selected RPMB partition
* @arg: OP-TEE message holding the frames to transmit to the mmc
* and space for the response frames.
*
* Routes signed (MACed) RPMB frames from OP-TEE Secure OS to MMC and vice
* versa to manipulate the RPMB partition.
*/
void optee_suppl_cmd_rpmb(struct udevice *dev, struct optee_msg_arg *arg);
/**
* optee_suppl_rpmb_release() - release mmc device
* @dev: mmc device
*
* Releases the mmc device and restores the previously selected partition.
*/
void optee_suppl_rpmb_release(struct udevice *dev);
#else
static inline void optee_suppl_cmd_rpmb(struct udevice *dev,
struct optee_msg_arg *arg)
{
debug("OPTEE_MSG_RPC_CMD_RPMB not implemented\n");
arg->ret = TEE_ERROR_NOT_IMPLEMENTED;
}
static inline void optee_suppl_rpmb_release(struct udevice *dev)
{
}
#endif
void *optee_alloc_and_init_page_list(void *buf, ulong len, u64 *phys_buf_ptr);
#endif /* __OPTEE_PRIVATE_H */
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