mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-02 01:19:49 +00:00
232cfd6d91
Adds support in optee supplicant to route signed (MACed) RPMB frames from OP-TEE Secure OS to MMC and vice versa to manipulate the RPMB partition. Tested-by: Igor Opaniuk <igor.opaniuk@linaro.org> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> Reviewed-by: Simon Glass <sjg@chromium.org>
65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/* 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 */
|