System and method for generation of configuration descriptors for a chipset
A method is provided to generate a configuration descriptor for a chipset in a computing unit. The method includes determining, by one or more processors, a plurality of desired interface configurations for the chipset and for each of the one or more desired interface configurations, determining one or more ports of the chipset and corresponding platform connectors that satisfy features of the each of the one or more of the desired interface configurations based on a chipset description and a platform description. The method further includes assigning a port from among the determined one or more ports to the each of the one or more of the desired interface configurations and generating a chipset configuration descriptor based on the assigning of ports to each of the one or more desired interface configurations. In some embodiments, the chipset is initialized based on the configuration descriptor.
1. A method comprising:
receiving, by a Basic Input/Output System (BIOS), a plurality of desired interface configurations that are based on a current configuration of a plurality of components that are currently included in a computing unit and that are provided for a chipset that is included in the plurality of components;
identifying, by the BIOS, each of the plurality of the desired interface configurations and, for each of the plurality of the desired interface configurations:
determining one or more ports on the chipset and corresponding connectors in a computing unit platform that satisfy features of that desired interface configuration based on a description of the chipset and a description of the computing unit platform; and
assigning a port from among the determined one or more ports to that desired interface configuration;
generating, by the BIOS, a chipset configuration descriptor based on the assigning of ports to each of the plurality of desired interface configurations; and
initializing, by the BIOS using the chipset configuration descriptor, the chipset.
2. The method of claim 1 ,
wherein the BIOS initializes the chipset during a boot operation.
3. The method of claim 1 , wherein the determining the one or more ports on the chipset and the corresponding connectors in the computing unit platform that satisfy the features of a desired interface configuration comprises:
determining whether one of the one or more ports support a port type of that desired interface configuration; and
determining whether a connector corresponding to the one of the ports supports the port type of that desired interface configuration.
4. The method of claim 1 , wherein the determining the one or more ports on the chipset and the corresponding connectors in the computing unit platform for each of the plurality of the desired interface configurations further comprises one or more of:
determining whether one of the one or more ports supports hot-slugging requirements of that desired interface configuration;
determining whether a connector corresponding to the one of the ports supports hot-plugging requirements of that desired interface configuration;
determining whether the one of the ports supports power requirements of that desired interface configuration;
determining whether the connector corresponding to the one of the ports supports the power requirements of that desired interface configuration;
determining whether the one of the ports supports lane requirements of that desired interface configuration;
determining whether the connector corresponding to the one of the ports supports the lane requirements of that desired interface configuration;
determining whether the one of the ports supports a bifurcation of that desired interface configuration; or
determining whether the connector corresponding to the one of the ports supports the bifurcation of that desired interface configuration.
5. The method of claim 4 , wherein the determining the one or more ports on the chipset and the corresponding connectors in the computing unit platform for each of the plurality of the desired interface configurations further comprises:
determining a weighted score based on how well the one of the ports and the connector corresponding to the one of the ports support the features of that desired interface configuration.
6. The method of claim 1 , further comprising:
merging, by the BIOS, two of the plurality of desired interface configurations into a single desired interface configuration.
7. The method of claim 1 , further comprising:
splitting, by the BIOS, one of the plurality of desired interface configurations into two desired interface configurations by dividing a number of lanes between the two desired interface configurations.
8. The method of claim 1 , wherein the description of the chipset provides information about features supported by the one or more ports on the chipset.
9. The method of claim 1 , wherein the description of the computing unit platform provides information about features supported by the connectors in the computing unit platform.
10. The method of claim 1 , wherein the generating the chipset configuration descriptor comprises:
generating a header section; and
generating a port details section that comprises an entry for each of the plurality of desired interface configurations.
11. The method of claim 1 , wherein the plurality of desired interface configurations are based on an existing configuration of the chipset that is currently installed on the computing unit platform.
12. A system comprising:
a non-transitory memory; and
one or more processors coupled to the non-transitory memory and configured to execute instructions to cause the system to provide a Basic Input/Output System (BIOS) that is configured to:
receive a plurality of desired interface configurations that are based on a current configuration of a plurality of components that are currently included in a computing unit and that are provided for a chipset that is included in the plurality of components;
identify each of the plurality of desired interface configurations and, for each of the plurality of the desired interface configurations:
determine one or more ports on the chipset and corresponding connectors in a computing unit platform that satisfy features of that respective desired interface configuration based on a description of the chipset and a description of the computing unit platform; and
assign a port from among the determined one or more ports to that respective desired interface configuration; and
generate a chipset configuration descriptor based on the assigning of ports to each of the plurality of desired interface configurations; and
initializing, using the chipset configuration descriptor, the chipset.
13. The system of claim 12 , wherein:
BIOS initializes the chipset during a boot operation.
14. The system of claim 12 , wherein the determining the one or more ports on the chipset and corresponding connectors in the computing unit platform that satisfy the features of a desired interface configuration comprises:
determining whether one of the one or more ports supports a port type of that desired interface configuration; and
determining whether a connector corresponding to the one of the ports supports the port type of that desired interface configuration.
15. The system of claim 12 , wherein the determining the one or more ports on the chipset and corresponding connectors in the computing unit platform for each of the plurality of the desired interface configurations further comprise one or more of:
determining whether one of the one or more ports supports hot-plugging requirements of that desired interface configuration;
determining whether a connector corresponding to the one of the ports supports hot-plugging requirements of that desired interface configuration;
determining whether the one of the ports supports power requirements of that desired interface configuration;
determining whether the connector corresponding to the one of the ports supports the power requirements of that desired interface configuration;
determining whether the one of the ports supports lane requirements of that desired interface configuration;
determining whether the connector corresponding to the one of the ports supports the lane requirements of that desired interface configuration;
determining whether the one of the ports supports a bifurcation of that desired interface configuration; or
determining whether the connector corresponding to the one of the ports supports the bifurcation of that desired interface configuration.
16. The system of claim 15 , wherein the determining the one or more ports on the chipset and the corresponding connectors in the computing unit platform for each of the plurality of the desired interface configurations further comprise:
determining a weighted score based on how well the one of the ports and the connector corresponding to the one of the ports support the features of that desired interface configuration.
17. The system of claim 12 , wherein the BIOS is configured to:
merge two of the plurality of desired interface configurations into a single desired interface configuration.
18. The system of claim 12 , wherein the BIOS is configured to:
split one of the plurality of desired interface configurations into two desired interface configurations by dividing a number of lanes between the two desired interface configurations.
19. The system of claim 12 , wherein the generating the chipset configuration descriptor comprises:
generating a header section; and
generating a port details section that comprises an entry for each of the plurality of desired interface configurations.