US 12,326,824 B2
Apparatus and methods for generating message signaled interrupts associated with peripheral components
Lianji Cheng, Suzhou (CN); Xiao Han, Suzhou (CN); and Qing Li, Suzhou (CN)
Assigned to ADVANCED DEVICES, INC., Santa Clara, CA (US)
Filed by ADVANCED MICRO DEVICES, INC., Santa Clara, CA (US)
Filed on Mar. 28, 2023, as Appl. No. 18/191,207.
Prior Publication US 2024/0330214 A1, Oct. 3, 2024
Int. Cl. G06F 13/24 (2006.01)
CPC G06F 13/24 (2013.01) 20 Claims
OG exemplary drawing
 
1. An apparatus comprising:
interface logic comprising:
an arbiter, comprising a plurality of inputs configured to receive a plurality of incoming interrupt requests for a target device and comprising an output, the arbiter configured to serially arbitrate among the plurality of incoming interrupt requests and produce a selected incoming interrupt request via the output; and
a controller configured to generate a message signaled interrupt (MSI) message for the target device based on the selected incoming interrupt request using a plurality of linked lookup tables (LUTs).