[edk2-devel] [Patch V3 1/2] MdePkg: Define structures for Resizable BAR Capability
Ni, Ray
ray.ni at intel.com
Mon Jan 4 07:52:11 UTC 2021
Reviewed-by: Ray Ni <ray.ni at intel.com>
> -----Original Message-----
> From: Luo, Heng <heng.luo at intel.com>
> Sent: Monday, January 4, 2021 3:00 PM
> To: devel at edk2.groups.io
> Cc: Ni, Ray <ray.ni at intel.com>; Wu, Hao A <hao.a.wu at intel.com>
> Subject: [Patch V3 1/2] MdePkg: Define structures for Resizable BAR Capability
>
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3138
>
> Define structures for Resizable BAR Capability in
> MdePkg/Include/IndustryStandard/PciExpress21.h,
> Change ShellPkg/Library/UefiShellDebug1CommandsLib/Pci.c
> to use new structures.
>
> Cc: Ray Ni <ray.ni at intel.com>
> Cc: Hao A Wu <hao.a.wu at intel.com>
> Signed-off-by: Heng Luo <heng.luo at intel.com>
> ---
> MdePkg/Include/IndustryStandard/PciExpress21.h | 30
> +++++++++++++++++++++++++-----
> ShellPkg/Library/UefiShellDebug1CommandsLib/Pci.c | 6 +++---
> 2 files changed, 28 insertions(+), 8 deletions(-)
>
> diff --git a/MdePkg/Include/IndustryStandard/PciExpress21.h
> b/MdePkg/Include/IndustryStandard/PciExpress21.h
> index 2c07cb560e..4617dc1569 100644
> --- a/MdePkg/Include/IndustryStandard/PciExpress21.h
> +++ b/MdePkg/Include/IndustryStandard/PciExpress21.h
> @@ -1,7 +1,7 @@
> /** @file
>
> Support for the latest PCI standard.
>
>
>
> - Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
>
> + Copyright (c) 2006 - 2021, Intel Corporation. All rights reserved.<BR>
>
> (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
>
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
>
>
> @@ -632,10 +632,30 @@ typedef struct {
> #define PCI_EXPRESS_EXTENDED_CAPABILITY_RESIZABLE_BAR_ID 0x0015
>
> #define PCI_EXPRESS_EXTENDED_CAPABILITY_RESIZABLE_BAR_VER1 0x1
>
>
>
> +typedef union {
>
> + struct {
>
> + UINT32 Reserved:4;
>
> + UINT32 BarSizeCapability:28;
>
> + } Bits;
>
> + UINT32 Uint32;
>
> +} PCI_EXPRESS_EXTENDED_CAPABILITIES_RESIZABLE_BAR_CAPABILITY;
>
> +
>
> +
>
> +typedef union {
>
> + struct {
>
> + UINT32 BarIndex:3;
>
> + UINT32 Reserved:2;
>
> + UINT32 ResizableBarNumber:3;
>
> + UINT32 BarSize:6;
>
> + UINT32 Reserved2:2;
>
> + UINT32 BarSizeCapability:16;
>
> + } Bits;
>
> + UINT32 Uint32;
>
> +} PCI_EXPRESS_EXTENDED_CAPABILITIES_RESIZABLE_BAR_CONTROL;
>
> +
>
> typedef struct {
>
> - UINT32 ResizableBarCapability;
>
> - UINT16 ResizableBarControl;
>
> - UINT16 Reserved;
>
> + PCI_EXPRESS_EXTENDED_CAPABILITIES_RESIZABLE_BAR_CAPABILITY
> ResizableBarCapability;
>
> + PCI_EXPRESS_EXTENDED_CAPABILITIES_RESIZABLE_BAR_CONTROL
> ResizableBarControl;
>
> } PCI_EXPRESS_EXTENDED_CAPABILITIES_RESIZABLE_BAR_ENTRY;
>
>
>
> typedef struct {
>
> @@ -643,7 +663,7 @@ typedef struct {
> PCI_EXPRESS_EXTENDED_CAPABILITIES_RESIZABLE_BAR_ENTRY
> Capability[1];
>
> } PCI_EXPRESS_EXTENDED_CAPABILITIES_RESIZABLE_BAR;
>
>
>
> -#define GET_NUMBER_RESIZABLE_BARS(x) (((x-
> >Capability[0].ResizableBarControl) & 0xE0) >> 5)
>
> +#define GET_NUMBER_RESIZABLE_BARS(x) (x-
> >Capability[0].ResizableBarControl.Bits.ResizableBarNumber)
>
>
>
> #define PCI_EXPRESS_EXTENDED_CAPABILITY_ARI_CAPABILITY_ID 0x000E
>
> #define PCI_EXPRESS_EXTENDED_CAPABILITY_ARI_CAPABILITY_VER1 0x1
>
> diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/Pci.c
> b/ShellPkg/Library/UefiShellDebug1CommandsLib/Pci.c
> index 3e138188ce..a2f04d8db5 100644
> --- a/ShellPkg/Library/UefiShellDebug1CommandsLib/Pci.c
> +++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/Pci.c
> @@ -1,7 +1,7 @@
> /** @file
>
> Main file for Pci shell Debug1 function.
>
>
>
> - Copyright (c) 2005 - 2019, Intel Corporation. All rights reserved.<BR>
>
> + Copyright (c) 2005 - 2021, Intel Corporation. All rights reserved.<BR>
>
> (C) Copyright 2013-2015 Hewlett-Packard Development Company, L.P.<BR>
>
> (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
>
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
> @@ -5534,8 +5534,8 @@ PrintInterpretedExtendedCompatibilityResizeableBar
> (
> STRING_TOKEN (STR_PCI_EXT_CAP_RESIZE_BAR),
>
> gShellDebug1HiiHandle,
>
> ItemCount+1,
>
> - Header->Capability[ItemCount].ResizableBarCapability,
>
> - Header->Capability[ItemCount].ResizableBarControl
>
> + Header->Capability[ItemCount].ResizableBarCapability.Uint32,
>
> + Header->Capability[ItemCount].ResizableBarControl.Uint32
>
> );
>
> }
>
>
>
> --
> 2.24.0.windows.2
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