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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


  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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