/** @file
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PCH Trace Hub policy
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@copyright
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Copyright 2015 - 2021 Intel Corporation.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _TRACEHUB_CONFIG_H_
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#define _TRACEHUB_CONFIG_H_
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#define CPU_TRACEHUB_PREMEM_CONFIG_REVISION 1
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#define PCH_TRACEHUB_PREMEM_CONFIG_REVISION 1
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extern EFI_GUID gPchTraceHubPreMemConfigGuid;
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///
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/// The TRACE_HUB_ENABLE_MODE describes TraceHub mode of operation
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///
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typedef enum {
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TraceHubModeDisabled = 0,
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TraceHubModeTargetDebugger = 1,
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TraceHubModeHostDebugger = 2,
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TraceHubModeMax
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} TRACE_HUB_ENABLE_MODE;
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///
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/// The TRACE_BUFFER_SIZE describes the desired TraceHub buffer size
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///
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typedef enum {
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TraceBufferNone = 0,
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TraceBuffer1M = SIZE_1MB,
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TraceBuffer8M = SIZE_8MB,
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TraceBuffer64M = SIZE_64MB,
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TraceBuffer128M = SIZE_128MB,
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TraceBuffer256M = SIZE_256MB,
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TraceBuffer512M = SIZE_512MB
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} TRACE_BUFFER_SIZE;
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#pragma pack (push,1)
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///
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/// TRACE_HUB_CONFIG block describes TraceHub settings.
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///
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typedef struct {
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/**
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Trace hub mode. Default is disabled.
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Target Debugger mode refers to debug tool running on target device itself and it works as a conventional PCI device;
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Host Debugger mode refers to SUT debugged via probe on host, configured as ACPI device with PCI configuration sapce hidden.
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<b>0 = Disable</b>; 1 = Target Debugger mode; 2 = Host Debugger mode
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Refer to TRACE_HUB_ENABLE_MODE
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**/
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UINT32 EnableMode;
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/**
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Trace hub memory buffer region size policy.
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The avaliable memory size options are: <b>0:0MB (none)</b>, 1:1MB, 2:8MB, 3:64MB, 4:128MB, 5:256MB, 6:512MB.
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Refer to TRACE_BUFFER_SIZE.
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**/
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UINT32 MemReg0Size;
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UINT32 MemReg1Size;
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} TRACE_HUB_CONFIG;
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#pragma pack (pop)
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#endif // _TRACEHUB_CONFIG_H_
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