| Entry | |
|---|---|
| R3 | Function handle |
| Exit | |
|---|---|
| R0 | Vendor ID (bits 0 – 15) |
| Device ID (bits 16 – 31) | |
| R1 | Subsystem Vendor ID (bits 0 – 15) |
| Subsystem ID (bits 16 – 31) | |
| R3 | Preserved ? |
The purpose of this call is to returns the device and vendor information for the given PCI device.