Google Git
Sign in
android / trusty / external / trusty / b3456f20dbf8ec1cde99325ed7f8036cb22a03f8 / . / ql-tipc
tree: f16e805a9f93ec93e7d601de9aced4cf54508ecb [path history] [tgz]
  1. arch/
  2. include/
  3. avb.c
  4. ipc.c
  5. ipc_dev.c
  6. libtipc.c
  7. LICENSE
  8. README.md
  9. rpmb_proxy.c
ql-tipc/README.md

Queueless Trusty IPC

ql-tipc is a portable client library that implements Trusty queueless IPC. It is intended to enable Trusty IPC in bootloader environments.

Code organization

IPC components

  • libtipc - Functions to be called by library user
  • ipc - IPC library
  • ipc_dev - Helper functions for sending requests to the secure OS
  • rpmb_proxy - Handles RPMB requests from secure storage service
  • avb - Sends requests to the Android Verified Boot service

Misc

  • arch/$ARCH/ - Architecture dependent implementation of Trusty device (see trusty_dev.h). Implements SMCs on ARM for example.

Portability Notes

The suggested approach to porting ql-tipc is to copy all header and C files into the bootloader and integrate as needed. RPMB storage operations and functions defined in trusty/sysdeps.h require system dependent implementations.

If the TIPC_ENABLE_DEBUG preprocessor symbol is set, the code will include debug information and run-time checks. Production builds should not use this.