Security Handover Message Description

This chapter provides information on System Firmware API for Security handover. The only available API is listed below.

TISCI Message ID	Message Name	Available in GP	Avialable in HS-FS
0x9030	TISCI_MSG_SEC_HANDOVER	Yes	Yes

This document must be read along side

1. Performing Security Handover and
2. Security Board Configuration, specifically Security Handover

API Description

TISCI_MSG_SEC_HANDOVER - Do Security Handover

Usage:

Message Type	Normal
Secure Queue Only?	Yes

TISCI Message ID

TISCI_MSG_SEC_HANDOVER          (0x9030U)

Message for handing over subset of security functionality to another core. Only available on certain platforms.

struct tisci_msg_security_handover_req

Request for security handover message

Parameter	Type	Description
hdr	struct tisci_header	Generic TISCI message header.

This message can only be sent by the host specified in security board configuration.

struct tisci_msg_security_handover_resp

Response for security handover message

Parameter	Type	Description
hdr	struct tisci_header	Generic TISCI message header. ACK response indicates that security handover is successful NACK response indicates that security handover has failed