diff options
| author | Jens Wiklander <jens.wiklander@linaro.org> | 2018-09-25 17:40:14 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-10-07 17:47:38 +0300 |
| commit | 232cfd6d9152fd2a4e7113faec51db2a9ab8c6bd (patch) | |
| tree | f27206b6d3a7f8e3dc5830f7854e8c9feec0c3a7 /drivers/tee/optee/optee_private.h | |
| parent | 7ab5630a42c4407570a77382320d38dc54ec54ae (diff) | |
| download | u-boot-232cfd6d9152fd2a4e7113faec51db2a9ab8c6bd.tar.xz | |
optee: support routing of rpmb data frames to mmc
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>
Diffstat (limited to 'drivers/tee/optee/optee_private.h')
| -rw-r--r-- | drivers/tee/optee/optee_private.h | 55 |
1 files changed, 54 insertions, 1 deletions
diff --git a/drivers/tee/optee/optee_private.h b/drivers/tee/optee/optee_private.h index 35adb83afc..9442d1c176 100644 --- a/drivers/tee/optee/optee_private.h +++ b/drivers/tee/optee/optee_private.h @@ -6,7 +6,60 @@ #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); -void optee_suppl_cmd(struct udevice *dev, void *shm, void **page_list); #endif /* __OPTEE_PRIVATE_H */ |