diff options
Diffstat (limited to 'MdePkg')
| -rw-r--r-- | MdePkg/Include/IndustryStandard/PciExpress21.h | 30 |
1 files changed, 25 insertions, 5 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
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