1// Copyright 2018-2021 The Khronos Group Inc. 2// 3// SPDX-License-Identifier: CC-BY-4.0 4 5include::{generated}/meta/{refprefix}VK_EXT_pci_bus_info.txt[] 6 7=== Other Extension Metadata 8 9*Last Modified Date*:: 10 2018-12-10 11*IP Status*:: 12 No known IP claims. 13*Contributors*:: 14 - Matthaeus G. Chajdas, AMD 15 - Daniel Rakos, AMD 16 17=== Description 18 19This extension adds a new query to obtain PCI bus information about a 20physical device. 21 22Not all physical devices have PCI bus information, either due to the device 23not being connected to the system through a PCI interface or due to platform 24specific restrictions and policies. 25Thus this extension is only expected to be supported by physical devices 26which can provide the information. 27 28As a consequence, applications should always check for the presence of the 29extension string for each individual physical device for which they intend 30to issue the new query for and should not have any assumptions about the 31availability of the extension on any given platform. 32 33include::{generated}/interfaces/VK_EXT_pci_bus_info.txt[] 34 35=== Version History 36 37 * Revision 2, 2018-12-10 (Daniel Rakos) 38 - Changed all members of the new structure to have the uint32_t type 39 * Revision 1, 2018-10-11 (Daniel Rakos) 40 - Initial revision 41