Virtual host controller for a data processing system
One embodiment provides an apparatus comprising a first processor to execute a function driver for a peripheral having a first bus interface and virtualized host controller interface logic to provide a protocol interface associated with the first bus interface to the function driver to enable the function driver to control a set of peripherals connected via at least a second bus interface, the second bus interface different from the first bus interface.
1. An apparatus comprising:
a first processor to execute a function driver for a peripheral having a first bus interface; and
virtualized host controller interface logic to provide a first protocol interface associated with the first bus interface to the function driver to enable the function driver to control a set of peripherals connected via at least a second bus interface, the second bus interface different from the first bus interface, wherein:
the virtualized host controller interface logic includes a first node and a second node, the first node to provide the first protocol interface to the function driver,
the second node is to connect to a first peripheral in the set of peripherals via the second bus interface and communicate with the first peripheral via a second protocol interface associated with the second bus interface, and
the first node and the second node are to communicate over a fourth bus via a transport agnostic protocol that is independent of the transport protocol of the fourth bus.
2. The apparatus as in claim 1 , wherein the set of peripherals includes a biometric sensor.
3. The apparatus as in claim 2 , wherein biometric sensor includes a fingerprint sensor.
4. The apparatus as in claim 2 , wherein the set of peripherals includes a camera.
5. The apparatus as in claim 4 , wherein the first bus interface is a universal serial bus (USB) interface.
6. The apparatus as in claim 5 , wherein the second bus interface is a serial peripheral interface (SPI), a general-purpose input/output (GPIO) interface, an inter-integrated circuit (I2C) interface, or a Universal Asynchronous Receiver/Transmitter (UART) interface.
7. The apparatus as in claim 6 , wherein the second node is to connect to a second peripheral in the set of peripherals via a third bus interface and the third bus interface is a serial peripheral interface (SPI), a general-purpose input/output (GPIO) interface, an inter-integrated circuit (I2C) interface, or a Universal Asynchronous Receiver/Transmitter (UART) interface, and the second node is to communicate with the second peripheral via a third protocol interface associated with the third bus interface.
8. The apparatus as in claim 7 , wherein the fourth bus is a peripheral component interconnect (PCI) bus or a PCI express bus.
9. The apparatus as in claim 1 , wherein the set of peripherals connected via at least the second bus interface includes a non-volatile storage device.
10. The apparatus as in claim 1 , wherein the virtualized host controller interface logic includes a first node enabled via the first processor, the first node to provide the first protocol interface to the function driver and a second node to connect to the set of peripherals via at least the second bus interface, the second node enabled via a second processor.
11. The apparatus as in claim 10 , wherein the first processor is to execute a first operating system and the second processor is to execute a second operating system different from the first operating system.
12. A data processing system comprising:
a first non-transitory machine-readable medium storing first instructions;
a first processor configured to execute the first instructions, the first instructions to enable a first node of a host controller interface;
a second non-transitory machine-readable medium storing second instructions;
a second processor configured to execute the second instructions, the second instructions to enable a second node of the host controller interface;
wherein the host controller interface is to provide a universal serial bus (USB) interface for a first non-USB peripheral via the first node;
wherein the host controller interface is to connect with the first non-USB peripheral via the second node; and
wherein the first node and the second node are to communicate via a transport agnostic link.
13. The data processing system as in claim 12 , the second node to connect with the first non-USB peripheral via a first bus interface, the first bus interface including a serial peripheral interface (SPI), a general-purpose input/output (GPIO) interface, an inter-integrated circuit (I2C) interface, or a Universal Asynchronous Receiver/Transmitter (UART) interface.
14. The data processing system as in claim 13 , the second node to connect with a second non-USB peripheral via a second bus interface, the second bus interface including a serial peripheral interface (SPI), a general-purpose input/output (GPIO) interface, an inter-integrated circuit (I2C) interface, or a Universal Asynchronous Receiver/Transmitter (UART) interface.
15. The data processing system as in claim 14 , wherein the first bus interface differs from the second bus interface.
16. The data processing system as in claim 15 , the second node to connect with a third non-USB peripheral via a third bus interface different from the first bus interface and the second bus interface.
17. The data processing system as in claim 16 , wherein the first non-USB peripheral, second non-USB peripheral, or third non-USB peripheral includes a non-volatile storage device or a bio sensor.
18. The data processing system as in claim 16 , the first node and the second node to communicate via the transport agnostic link over a fourth bus, the fourth bus having a transport protocol independent of the transport protocol of the transport agnostic link.
19. A non-transitory machine-readable medium storing instructions which, when executed on one or more processors cause the one or more processors to perform operations comprising:
enabling a first node of a virtualized host controller interface, the first node providing a first protocol interface for a set of peripherals;
initiating establishment of a transport agnostic message link with a second node of the virtualized host controller interface, the second node connected with the set of peripherals via a second protocol interface;
receiving a set of messages from the second node via the transport agnostic link; and
translating the set of messages to the first protocol interface.
20. The non-transitory machine-readable medium as in claim 19 , the operations additionally comprising:
enabling the second node of a virtualized host controller interface, the second node connected with a set of peripherals via a second protocol interface;
receiving initiation of the transport agnostic message link with the first node of the virtualized host controller interface;
receiving signals from the set of peripherals via the second protocol interface; and
sending translated signals from the set of peripherals over the transport agnostic message link to the first node.