/** @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 |