The SB IOAPIC for Hygon family 18h model 10h processors is also on the device 0xb.
V5.10:
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/4750
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/4765
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/4817