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/** @file
Macro and type definitions for QEMU's Red Hat vendor-specific PCI
capabilities that provide various hints about PCI Bridges.
Refer to "docs/pcie_pci_bridge.txt" in the QEMU source directory.
Copyright (C) 2017, Red Hat, Inc.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __QEMU_PCI_BRIDGE_CAPABILITIES_H__
#define __QEMU_PCI_BRIDGE_CAPABILITIES_H__
#include <IndustryStandard/Pci23.h>
//
// The hints apply to PCI Bridges whose PCI_DEVICE_INDEPENDENT_REGION.VendorId
// equals the following value.
//
#define QEMU_PCI_BRIDGE_VENDOR_ID_REDHAT 0x1B36
//
// Common capability header for all hints.
//
#pragma pack (1)
typedef struct {
EFI_PCI_CAPABILITY_VENDOR_HDR VendorHdr;
UINT8 Type;
} QEMU_PCI_BRIDGE_CAPABILITY_HDR;
#pragma pack ()
//
// Values defined for QEMU_PCI_BRIDGE_CAPABILITY_HDR.Type.
//
#define QEMU_PCI_BRIDGE_CAPABILITY_TYPE_RESOURCE_RESERVATION 0x01
//
// PCI Resource Reservation structure for when
// QEMU_PCI_BRIDGE_CAPABILITY_HDR.Type equals
// QEMU_PCI_BRIDGE_CAPABILITY_TYPE_RESOURCE_RESERVATION.
//
#pragma pack (1)
typedef struct {
QEMU_PCI_BRIDGE_CAPABILITY_HDR BridgeHdr;
UINT32 BusNumbers;
UINT64 Io;
UINT32 NonPrefetchable32BitMmio;
UINT32 Prefetchable32BitMmio;
UINT64 Prefetchable64BitMmio;
} QEMU_PCI_BRIDGE_CAPABILITY_RESOURCE_RESERVATION;
#pragma pack ()
#endif
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