Startup control method, apparatus and device for PCI devices in ARM server

A startup control device for PCI devices in an ARM server, comprising:

• a memory, configured to store a computer program;
• and
• a processor, configured to execute the computer program, and when the computer program is executed by the processor, the computer program is configured to perform the following operations:
• check, during boot-up, segment numbers corresponding to PCI devices and PCI link bridge bus serial numbers corresponding to the PCI devices in PCI device drivers for the PCI devices connected to an ARM server;
• and
• configure the segment number corresponding to each of the PCI link bridge bus serial numbers in an advanced configuration and power management interface protocol according to the segment number corresponding to each of the PCI devices and the PCI link bridge bus serial number corresponding to each of the PCI devices, so as to allocate system resources to the PCI devices according to the configured segment numbers;
• wherein the system resources to the PCI devices is allocated according to the following operations:
• enumerate each of the PCI devices and allocate the system resources to each of the PCI devices in an ascending order of the configured segment numbers in the advanced configuration and power management interface protocol.

A non-transitory computer-readable storage medium, wherein a computer program is stored on the non-transitory computer-readable storage medium, and when executed by a processor, the computer program is configured to perform the following operations:

• check, during boot-up, segment numbers corresponding to PCI devices and PCI link bridge bus serial numbers corresponding to the PCI devices in PCI device drivers for the PCI devices connected to an ARM server;
• and
• configure the segment number corresponding to each of the PCI link bridge bus serial numbers in an advanced configuration and power management interface protocol according to the segment number corresponding to each of the PCI devices and the PCI link bridge bus serial number corresponding to each of the PCI devices, so as to allocate system resources to the PCI devices according to the configured segment numbers;
• wherein the system resources to the PCI devices is allocated according to the following operations:
• enumerate each of the PCI devices and allocate the system resources to each of the PCI devices in an ascending order of the configured segment numbers in the advanced configuration and power management interface protocol.