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.