From: "Zhiguang Liu" <zhiguang.liu@intel.com>
To: devel@edk2.groups.io
Cc: Michael D Kinney <michael.d.kinney@intel.com>,
Liming Gao <gaoliming@byosoft.com.cn>,
Jian J Wang <jian.j.wang@intel.com>,
Hao A Wu <hao.a.wu@intel.com>
Subject: [Patch V4 2/9] MdeModulePkg: Add new structure for the PCI Root Bridge Info Hob
Date: Thu, 10 Jun 2021 09:33:11 +0800 [thread overview]
Message-ID: <20210610013318.1885-3-zhiguang.liu@intel.com> (raw)
In-Reply-To: <20210610013318.1885-1-zhiguang.liu@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
Signed-off-by: Zhiguang Liu <zhiguang.liu@intel.com>
---
MdeModulePkg/Include/UniversalPayload/PciRootBridges.h | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
MdeModulePkg/MdeModulePkg.dec | 6 ++++++
2 files changed, 97 insertions(+)
diff --git a/MdeModulePkg/Include/UniversalPayload/PciRootBridges.h b/MdeModulePkg/Include/UniversalPayload/PciRootBridges.h
new file mode 100644
index 0000000000..ea5b87480e
--- /dev/null
+++ b/MdeModulePkg/Include/UniversalPayload/PciRootBridges.h
@@ -0,0 +1,91 @@
+/** @file
+ This file defines the structure for the PCI Root Bridges.
+
+ Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+ @par Revision Reference:
+ - Universal Payload Specification 0.75 (https://universalpayload.github.io/documentation/)
+**/
+
+#ifndef __UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGES_H__
+#define __UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGES_H__
+
+#include <UniversalPayload/UniversalPayload.h>
+
+#pragma pack(1)
+
+//
+// (Base > Limit) indicates an aperture is not available.
+//
+typedef struct {
+ //
+ // Base and Limit are the device address instead of host address when
+ // Translation is not zero
+ //
+ UINT64 Base;
+ UINT64 Limit;
+ //
+ // According to UEFI 2.7, Device Address = Host Address + Translation,
+ // so Translation = Device Address - Host Address.
+ // On platforms where Translation is not zero, the subtraction is probably to
+ // be performed with UINT64 wrap-around semantics, for we may translate an
+ // above-4G host address into a below-4G device address for legacy PCIe device
+ // compatibility.
+ //
+ // NOTE: The alignment of Translation is required to be larger than any BAR
+ // alignment in the same root bridge, so that the same alignment can be
+ // applied to both device address and host address, which simplifies the
+ // situation and makes the current resource allocation code in generic PCI
+ // host bridge driver still work.
+ //
+ UINT64 Translation;
+} UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGE_APERTURE;
+
+///
+/// Payload PCI Root Bridge Information HOB
+///
+typedef struct {
+ UINT32 Segment; ///< Segment number.
+ UINT64 Supports; ///< Supported attributes.
+ ///< Refer to EFI_PCI_ATTRIBUTE_xxx used by GetAttributes()
+ ///< and SetAttributes() in EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.
+ UINT64 Attributes; ///< Initial attributes.
+ ///< Refer to EFI_PCI_ATTRIBUTE_xxx used by GetAttributes()
+ ///< and SetAttributes() in EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.
+ BOOLEAN DmaAbove4G; ///< DMA above 4GB memory.
+ ///< Set to TRUE when root bridge supports DMA above 4GB memory.
+ BOOLEAN NoExtendedConfigSpace; ///< When FALSE, the root bridge supports
+ ///< Extended (4096-byte) Configuration Space.
+ ///< When TRUE, the root bridge supports
+ ///< 256-byte Configuration Space only.
+ UINT64 AllocationAttributes; ///< Allocation attributes.
+ ///< Refer to EFI_PCI_HOST_BRIDGE_COMBINE_MEM_PMEM and
+ ///< EFI_PCI_HOST_BRIDGE_MEM64_DECODE used by GetAllocAttributes()
+ ///< in EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL.
+ UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGE_APERTURE Bus; ///< Bus aperture which can be used by the root bridge.
+ UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGE_APERTURE Io; ///< IO aperture which can be used by the root bridge.
+ UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGE_APERTURE Mem; ///< MMIO aperture below 4GB which can be used by the root bridge.
+ UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGE_APERTURE MemAbove4G; ///< MMIO aperture above 4GB which can be used by the root bridge.
+ UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGE_APERTURE PMem; ///< Prefetchable MMIO aperture below 4GB which can be used by the root bridge.
+ UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGE_APERTURE PMemAbove4G; ///< Prefetchable MMIO aperture above 4GB which can be used by the root bridge.
+ UINT32 HID; ///< PnP hardware ID of the root bridge. This value must match the corresponding
+ ///< _HID in the ACPI name space.
+ UINT32 UID; ///< Unique ID that is required by ACPI if two devices have the same _HID.
+ ///< This value must also match the corresponding _UID/_HID pair in the ACPI name space.
+} UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGE;
+
+typedef struct {
+ UNIVERSAL_PAYLOAD_GENERIC_HEADER Header;
+ BOOLEAN ResourceAssigned;
+ UINT8 Count;
+ UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGE RootBridge[0];
+} UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGES;
+
+#pragma pack()
+
+#define UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGES_REVISION 1
+
+extern GUID gUniversalPayloadPciRootBridgeInfoGuid;
+
+#endif // __UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGES_H__
diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 8d38383915..5cee4e159a 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -404,6 +404,12 @@
## Include/Guid/MigratedFvInfo.h
gEdkiiMigratedFvInfoGuid = { 0xc1ab12f7, 0x74aa, 0x408d, { 0xa2, 0xf4, 0xc6, 0xce, 0xfd, 0x17, 0x98, 0x71 } }
+ #
+ # GUID defined in UniversalPayload
+ #
+ ## Include/UniversalPayload/PciRootBridges.h
+ gUniversalPayloadPciRootBridgeInfoGuid = { 0xec4ebacb, 0x2638, 0x416e, { 0xbe, 0x80, 0xe5, 0xfa, 0x4b, 0x51, 0x19, 0x01 }}
+
[Ppis]
## Include/Ppi/AtaController.h
gPeiAtaControllerPpiGuid = { 0xa45e60d1, 0xc719, 0x44aa, { 0xb0, 0x7a, 0xaa, 0x77, 0x7f, 0x85, 0x90, 0x6d }}
--
2.30.0.windows.2
next prev parent reply other threads:[~2021-06-10 1:33 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-10 1:33 [Patch V4 0/9] Create multiple Hobs for Universal Payload Zhiguang Liu
2021-06-10 1:33 ` [Patch V4 1/9] MdeModulePkg: Add Universal Payload general definition header file Zhiguang Liu
2021-06-10 1:33 ` Zhiguang Liu [this message]
2021-06-10 1:33 ` [Patch V4 3/9] UefiPayloadPkg: UefiPayload retrieve PCI root bridge from Guid Hob Zhiguang Liu
2021-06-10 1:33 ` [Patch V4 4/9] MdeModulePkg: Add new structure for the Universal Payload SMBios Table Info Hob Zhiguang Liu
2021-06-10 1:33 ` [Patch V4 5/9] MdeModulePkg/Universal/SmbiosDxe: Scan for existing tables Zhiguang Liu
2021-06-10 1:33 ` [Patch V4 6/9] UefiPayloadPkg: Creat gPldSmbiosTableGuid Hob Zhiguang Liu
2021-06-10 2:58 ` Guo Dong
2021-06-10 1:33 ` [Patch V4 7/9] MdeModulePkg: Add new structure for the Universal Payload ACPI Table Info Hob Zhiguang Liu
2021-06-10 1:33 ` [Patch V4 8/9] MdeModulePkg/ACPI: Install ACPI table from HOB Zhiguang Liu
2021-06-10 1:33 ` [Patch V4 9/9] UefiPayloadPkg: Creat gPldAcpiTableGuid Hob Zhiguang Liu
2021-06-10 3:00 ` Guo Dong
2021-06-10 9:13 ` 回复: [edk2-devel] [Patch V4 0/9] Create multiple Hobs for Universal Payload gaoliming
2021-06-10 9:48 ` Zhiguang Liu
2021-06-15 12:00 ` Patrick Rudolph
2021-06-16 1:07 ` 回复: " Zhiguang Liu
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