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MHSP_CHANNEL structure (acpitabl.h)

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This topic describes the MHSP_CHANNEL structure used by the Microsoft HSP ACPI table.

Syntax

typedef struct _MHSP_CHANNEL {
  UINT64 ChannelBaseAddress;
  UINT64 RequestDoorbellAddress;
  UINT64 ReplyDoorbellAddress;
  UINT32 ChannelSize;
  UINT32 IrqResource;
  UINT32 ChannelParameters[2];
} MHSP_CHANNEL, *PMHSP_CHANNEL;

Members

ChannelBaseAddress

Defines the UINT64 member ChannelBaseAddress.

RequestDoorbellAddress

Defines the UINT64 member RequestDoorbellAddress.

ReplyDoorbellAddress

Defines the UINT64 member ReplyDoorbellAddress.

ChannelSize

Defines the UINT32 member ChannelSize.

IrqResource

Defines the UINT32 member IrqResource.

ChannelParameters[2]

Defines the UINT32 member ChannelParameters.

Requirements

Requirement Value
Minimum supported client Windows 11, version 22H2
Header acpitabl.h (include Acpitabl.h)