1*ad194957SYi Chou /* SPDX-License-Identifier: BSD-2-Clause */ 2*ad194957SYi Chou /* 3*ad194957SYi Chou * Copyright (c) 2023, The ChromiumOS Authors 4*ad194957SYi Chou */ 5*ad194957SYi Chou 6*ad194957SYi Chou #ifndef __PTA_WIDEVINE_H 7*ad194957SYi Chou #define __PTA_WIDEVINE_H 8*ad194957SYi Chou 9*ad194957SYi Chou /* 10*ad194957SYi Chou * Interface to the widevine pseudo-TA, which is used for passing parameters 11*ad194957SYi Chou * for widevine TA. 12*ad194957SYi Chou */ 13*ad194957SYi Chou #define PTA_WIDEVINE_UUID \ 14*ad194957SYi Chou { \ 15*ad194957SYi Chou 0x721f4da9, 0xda05, 0x40d4, \ 16*ad194957SYi Chou { \ 17*ad194957SYi Chou 0xa1, 0xa3, 0x83, 0x77, 0xc1, 0xe0, 0x8b, 0x0a \ 18*ad194957SYi Chou } \ 19*ad194957SYi Chou } 20*ad194957SYi Chou 21*ad194957SYi Chou /* 22*ad194957SYi Chou * PTA_WIDEVINE_GET_TPM_PUBKEY - Get Widevine TPM public key 23*ad194957SYi Chou * PTA_WIDEVINE_GET_WIDEVINE_PRIVKEY - Get Widevine private key 24*ad194957SYi Chou * 25*ad194957SYi Chou * [out] memref[0] Retrieved key data 26*ad194957SYi Chou * 27*ad194957SYi Chou * Return codes: 28*ad194957SYi Chou * TEE_SUCCESS - Invoke command success 29*ad194957SYi Chou * TEE_ERROR_BAD_PARAMETERS - Incorrect parameters 30*ad194957SYi Chou * TEE_ERROR_SHORT_BUFFER - Output buffer size is too small 31*ad194957SYi Chou * TEE_ERROR_NO_DATA - Requested data not available 32*ad194957SYi Chou */ 33*ad194957SYi Chou #define PTA_WIDEVINE_GET_TPM_PUBKEY 0 34*ad194957SYi Chou #define PTA_WIDEVINE_GET_WIDEVINE_PRIVKEY 1 35*ad194957SYi Chou 36*ad194957SYi Chou #endif /* __PTA_WIDEVINE_H */ 37