PCI_ReadInfo Request
PCI
» SWI Calls
» PCI_ReadInfo
» Information Request
Information Request
| Bit | Meaning when set |
|---|---|
| 0 | Device/Function Number |
| 1 | Bus number |
| 2 | Function handle of parent bridge |
| 3 | Slot number |
| 4 | Vendor/device ID |
| 5 | Revision ID |
| 6 | Subsystem vendor/subsystem ID |
| 7 | Class code (24 bits) |
| 8 | CMOS address |
| 9 | CMOS size in bytes |
| 10 | Pointer to description (0 for none) |
| 11 | Device vector number |
| 12 | Ethernet address (low 32 bits) |
| 13 | Ethernet address (high 16 bits) |
| 14 | Logical DMA channel |
| 15 | Pointer to vendor description (0 for none) |
| 16 | Number of MSI messages (0 if MSI not available) |
| 17-31 | Reserved for future expansion |
Notes
Each set bit, specifies the information that must be returned by PCI_ReadInfo.
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