KEYRING TISCI Description¶
Note
Keyring support varies by device:
| Device(s) | Public Keyring | Symmetric Keyring |
|---|---|---|
| j721S2, j784S4, j722S | Yes | No |
| am62px, am62x, am62ax, am64x, am275x | Yes | Yes |
| am62lx | Yes | No |
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 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. |