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tee: optee: support AVB trusted application

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Adds configuration option OPTEE_TA_AVB and a header file describing the
interface to the Android Verified Boot 2.0 (AVB) trusted application
provided by OP-TEE.

Tested-by: Igor Opaniuk <igor.opaniuk@linaro.org>
Reviewed-by: Igor Opaniuk <igor.opaniuk@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Jens Wiklander
2018-09-25 16:40:15 +02:00
committed by Tom Rini
parent 232cfd6d91
commit 1cc8cc4e67
5 changed files with 127 additions and 0 deletions
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38
include/tee.h
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@@ -49,6 +49,22 @@
#define TEE_ORIGIN_TRUSTED_APP 0x00000004
struct udevice;
/**
* struct tee_optee_ta_uuid - OP-TEE Trusted Application (TA) UUID format
*
* Used to identify an OP-TEE TA and define suitable to initialize structs
* of this format is distributed with the interface of the TA. The
* individual fields of this struct doesn't have any special meaning in
* OP-TEE. See RFC4122 for details on the format.
*/
struct tee_optee_ta_uuid {
u32 time_low;
u16 time_mid;
u16 time_hi_and_version;
u8 clock_seq_and_node[8];
};
/**
* struct tee_shm - memory shared with the TEE
* @dev: The TEE device
@@ -333,4 +349,26 @@ int tee_close_session(struct udevice *dev, u32 session);
int tee_invoke_func(struct udevice *dev, struct tee_invoke_arg *arg,
uint num_param, struct tee_param *param);
/**
* tee_optee_ta_uuid_from_octets() - Converts to struct tee_optee_ta_uuid
* @d: Destination struct
* @s: Source UUID octets
*
* Conversion to a struct tee_optee_ta_uuid represantion from binary octet
* representation.
*/
void tee_optee_ta_uuid_from_octets(struct tee_optee_ta_uuid *d,
const u8 s[TEE_UUID_LEN]);
/**
* tee_optee_ta_uuid_to_octets() - Converts from struct tee_optee_ta_uuid
* @d: Destination UUID octets
* @s: Source struct
*
* Conversion from a struct tee_optee_ta_uuid represantion to binary octet
* representation.
*/
void tee_optee_ta_uuid_to_octets(u8 d[TEE_UUID_LEN],
const struct tee_optee_ta_uuid *s);
#endif /* __TEE_H */