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71 lines
2.3 KiB
71 lines
2.3 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. |
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* Copyright (C) 2019-2020 Linaro Ltd. |
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*/ |
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#ifndef _IPA_GSI_TRANS_H_ |
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#define _IPA_GSI_TRANS_H_ |
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#include <linux/types.h> |
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struct gsi; |
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struct gsi_trans; |
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struct ipa_gsi_endpoint_data; |
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/** |
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* ipa_gsi_trans_complete() - GSI transaction completion callback |
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* @trans: Transaction that has completed |
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* |
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* This called from the GSI layer to notify the IPA layer that a |
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* transaction has completed. |
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*/ |
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void ipa_gsi_trans_complete(struct gsi_trans *trans); |
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/** |
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* ipa_gsi_trans_release() - GSI transaction release callback |
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* @trans: Transaction whose resources should be freed |
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* |
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* This called from the GSI layer to notify the IPA layer that a |
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* transaction is about to be freed, so any resources associated |
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* with it should be released. |
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*/ |
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void ipa_gsi_trans_release(struct gsi_trans *trans); |
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/** |
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* ipa_gsi_channel_tx_queued() - GSI queued to hardware notification |
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* @gsi: GSI pointer |
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* @channel_id: Channel number |
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* @count: Number of transactions queued |
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* @byte_count: Number of bytes to transfer represented by transactions |
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* |
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* This called from the GSI layer to notify the IPA layer that some |
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* number of transactions have been queued to hardware for execution. |
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*/ |
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void ipa_gsi_channel_tx_queued(struct gsi *gsi, u32 channel_id, u32 count, |
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u32 byte_count); |
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/** |
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* ipa_gsi_channel_tx_completed() - GSI transaction completion callback |
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* @gsi: GSI pointer |
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* @channel_id: Channel number |
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* @count: Number of transactions completed since last report |
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* @byte_count: Number of bytes transferred represented by transactions |
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* |
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* This called from the GSI layer to notify the IPA layer that the hardware |
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* has reported the completion of some number of transactions. |
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*/ |
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void ipa_gsi_channel_tx_completed(struct gsi *gsi, u32 channel_id, u32 count, |
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u32 byte_count); |
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/* ipa_gsi_endpoint_data_empty() - Empty endpoint config data test |
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* @data: endpoint configuration data |
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* |
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* Determines whether an endpoint configuration data entry is empty, |
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* meaning it contains no valid configuration information and should |
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* be ignored. |
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* |
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* Return: true if empty; false otherwise |
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*/ |
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bool ipa_gsi_endpoint_data_empty(const struct ipa_gsi_endpoint_data *data); |
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#endif /* _IPA_GSI_TRANS_H_ */
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