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42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
/** @file
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Plug a PciSegmentLib backend into PciCapLib, for config space access --
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internal macro and type definitions.
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Copyright (C) 2018, Red Hat, Inc.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __BASE_PCI_CAP_PCI_SEGMENT_LIB_H__
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#define __BASE_PCI_CAP_PCI_SEGMENT_LIB_H__
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#include <Library/DebugLib.h>
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#include <Library/PciCapPciSegmentLib.h>
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#define SEGMENT_DEV_SIG SIGNATURE_64 ('P', 'C', 'P', 'S', 'G', 'M', 'N', 'T')
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typedef struct {
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//
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// Signature identifying the derived class.
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//
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UINT64 Signature;
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//
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// Members added by the derived class, specific to the use of PciSegmentLib.
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//
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PCI_CAP_DOMAIN MaxDomain;
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UINT16 SegmentNr;
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UINT8 BusNr;
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UINT8 DeviceNr;
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UINT8 FunctionNr;
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//
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// Base class.
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//
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PCI_CAP_DEV BaseDevice;
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} SEGMENT_DEV;
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#define SEGMENT_DEV_FROM_PCI_CAP_DEV(PciDevice) \
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CR (PciDevice, SEGMENT_DEV, BaseDevice, SEGMENT_DEV_SIG)
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#endif // __BASE_PCI_CAP_PCI_SEGMENT_LIB_H__
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