Systems and methods for management controller co-processor host to variable subsystem proxy
An information handling system may include a host system comprising a host system processor and a management controller communicatively coupled to the host system processor and comprising a main processor for implementing functionality of the management controller and a co-processor communicatively coupled to the host system processor and configured to implement a proxy to the host system to enable the host system to access devices managed by the management controller.
1. An information handling system comprising:
a host system comprising a host system processor; and
a management controller communicatively coupled to the host system processor and comprising:
a main processor for implementing functionality of the management controller; and
a co-processor communicatively coupled to the host system processor and configured to implement a proxy to the host system independently from the main processor to enable the host system to access devices managed by the management controller.
2. The information handling system of claim 1 , wherein the co-processor is communicatively coupled to the host system processor via an Inter-Integrated Circuit (I2C) bus.
3. The information handling system of claim 1 , further comprising a unified memory map communicatively coupled to the co-processor as a child device of the co-processor and emulated to and accessible to the host system as a target device via the co-processor.
4. The information handling system of claim 3 , wherein the unified memory map sets forth mappings of a communications bus of the information handling system.
5. The information handling system of claim 3 , wherein the unified memory map sets forth a topology of a multiplexer communicatively coupled to the co-processor.
6. The information handling system of claim 3 , wherein the unified memory map sets forth endpoint topologies and addresses of the devices managed by the management controller.
7. The information handling system of claim 3 , wherein the unified memory map sets forth supported communication protocols of the devices managed by the management controller.
8. The information handling system of claim 3 , wherein the unified memory map sets forth bus speeds of the devices managed by the management controller.
9. A method comprising, in a host system comprising a host system processor and a management controller communicatively coupled to the host system processor and comprising a main processor for implementing functionality of the management controller and a co-processor:
communicatively coupling the co-processor to the host system processor; and
implementing, by the co-processor and independently from the main processor, configuring a co-processor to behave as a proxy to the host system to enable the host system to access devices managed by the management controller.
10. The method of claim 9 , wherein communicatively coupling the co-processor to the host system processor comprises communicatively coupling the co-processor to the host system processor via an Inter-Integrated Circuit (I2C) bus.
11. The method of claim 9 , further comprising:
communicatively coupling a unified memory map to the co-processor as a child device of the co-processor; and
emulating the unified memory map to the host system as a target device via the co-processor.
12. The method of claim 11 , wherein the unified memory map sets forth mappings of a communications bus of the information handling system.
13. The method of claim 11 , wherein the unified memory map sets forth a topology of a multiplexer communicatively coupled to the co-processor.
14. The method of claim 11 , wherein the unified memory map sets forth endpoint topologies and addresses of the devices managed by the management controller.
15. The method of claim 11 , wherein the unified memory map sets forth supported communication protocols of the devices managed by the management controller.
16. The method of claim 11 , wherein the unified memory map sets forth bus speeds of the devices managed by the management controller.
17. A management controller configured to be disposed in an information handling system and communicatively coupled to a host system processor of a host system of the information handling system, and further configured to:
communicatively couple a co-processor of the management controller to the host system processor; and
implement, via the co-processor and independently from the main processor, a proxy to the host system to enable the host system to access devices managed by the management controller.
18. The management controller of claim 17 , wherein communicatively coupling the co-processor to the host system processor comprises communicatively coupling the co-processor to the host system processor via an Inter-Integrated Circuit (I2C) bus.
19. The management controller of claim 17 , further configured to:
communicatively couple a unified memory map to the co-processor as a child device of the co-processor; and
emulate the unified memory map to the host system as a target device via the co-processor.
20. The management controller of claim 19 , wherein the unified memory map sets forth mappings of a communications bus of the information handling system.
21. The management controller of claim 19 , wherein the unified memory map sets forth a topology of a multiplexer communicatively coupled to the co-processor.
22. The management controller of claim 19 , wherein the unified memory map sets forth endpoint topologies and addresses of the devices managed by the management controller.
23. The management controller of claim 19 , wherein the unified memory map sets forth supported communication protocols of the devices managed by the management controller.
24. The management controller of claim 19 , wherein the unified memory map sets forth bus speeds of the devices managed by the management controller.