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The SCP holds some power information that could be advertised through the _CPC object. The communication with the SCP is done through SCMI protocols (c.f. ArmScmiDxe). Use the SCMI protocols to query information and feed it to the DynamicTablesPkg. Acked-by: Leif Lindholm <quic_llindhol@quicinc.com> Signed-off-by: Pierre Gondois <pierre.gondois@arm.com> Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
34 lines
939 B
C
34 lines
939 B
C
/** @file
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Arm SCMI Info Library.
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Copyright (c) 2022 - 2023, Arm Limited. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef ARM_SCMI_INFO_LIB_H_
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#define ARM_SCMI_INFO_LIB_H_
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#include <ConfigurationManagerObject.h>
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/** Populate a AML_CPC_INFO object based on SCMI information.
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@param[in] DomainId Identifier for the performance domain.
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@param[out] CpcInfo If success, this structure was populated from
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information queried to the SCP.
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@retval EFI_SUCCESS Success.
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@retval EFI_DEVICE_ERROR Device error.
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@retval EFI_INVALID_PARAMETER Invalid parameter.
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@retval EFI_TIMEOUT Time out.
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@retval EFI_UNSUPPORTED Unsupported.
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**/
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EFI_STATUS
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EFIAPI
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DynamicTablesScmiInfoGetFastChannel (
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IN UINT32 DomainId,
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OUT AML_CPC_INFO *CpcInfo
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);
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#endif // ARM_SCMI_INFO_LIB_H_
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