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The following table shows the PCI bus driver structures.
| Programming element | Description |
|---|---|
| BUSDATA_PARMS | This structure contains information that the HalSetBusDataByOffset and HalGetBusDataByOffset functions use when calling the OAL. |
| DEVICE_LOCATION | This structure assigns an IRQ to a device through the IOCTL_HAL_REQUEST_IRQ IOCTL. |
| PCI_COMMON_CONFIG | This structure describes the PCI configuration space for PCI devices. |
| PCI_DEV_INFO | This structure describes a PCI device. |
| PCI_REG_INFO | This structure contains information about the PCI bus retrieved from the registry. |
| PCI_REG_LIST | This structure contains a list of PCI resources, typically a list of base addresses or windows sizes that correspond to base addresses. |
| PCI_RSRC | This structure describes a single PCI resource, either memory or I/O. It is part of a linked list of PCI resources. |
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