KEYRING TISCI Description

Note

This feature is only supported in j721S2, j784S4 and am62p devices

This chapter provides information on System Firmware API for Keyring. The available API are listed below.

TISCI Message ID	Message Name	Available in GP	Available in HS-FS
0x9039	TISCI_MSG_KEYRING_IMPORT	NO*	NO*

API Description

TISCI_MSG_KEYRING_IMPORT - Import keyring

Usage:

Message Type	Normal
Secure Queue Only?	Yes

TISCI Message ID

TISCI_MSG_KEYRING_IMPORT          (0X9039U)

Message to import keyring

struct tisci_msg_keyring_import_req

Request for importing a keyring

Parameter	Type	Description
hdr	struct tisci_header	Common TI-SCI header
keyring_lo	u32	Lower 32-bit memory location of the encrypted keyring
keyring_hi	u32	Higher 32-bit memory location of the encrypted keyring

struct tisci_msg_keyring_import_resp

Response to the keyring import

Parameter	Type	Description
hdr	struct tisci_header	Generic TISCI message header. ACK response indicates that the imported keyring has been successfully decrypted and authenticated. NACK response indicates that the keyring import could not be completed.