Il 19/09/2013 15:56, Olivier Martin ha scritto:
> +  // Note: We should detect if the Device has MSI-X capability. In case the 
> device has
> +  //       MSI-X capability then the offset would be 24.
> +  Device->DeviceSpecificConfigurationOffset = 20;

The offset does not move from 20 to 24 unless the capability is enabled.
 It looks like TianoCore does not support MSI-X at all (no hits for
EFI_PCI_CAPABILITY_ID_MSI outside headers), so the comment can be
removed or rephrased, like:

// Note: We don't support the MSI-X capability.  If we did,
//       the offset would become 24 after enabling MSI-X.

Paolo

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