| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071 |
- /* SPDX-License-Identifier: GPL-2.0 */
- /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
- * Copyright (C) 2019-2020 Linaro Ltd.
- */
- #ifndef _IPA_GSI_TRANS_H_
- #define _IPA_GSI_TRANS_H_
- #include <linux/types.h>
- struct gsi;
- struct gsi_trans;
- struct ipa_gsi_endpoint_data;
- /**
- * ipa_gsi_trans_complete() - GSI transaction completion callback
- * @trans: Transaction that has completed
- *
- * This called from the GSI layer to notify the IPA layer that a
- * transaction has completed.
- */
- void ipa_gsi_trans_complete(struct gsi_trans *trans);
- /**
- * ipa_gsi_trans_release() - GSI transaction release callback
- * @trans: Transaction whose resources should be freed
- *
- * This called from the GSI layer to notify the IPA layer that a
- * transaction is about to be freed, so any resources associated
- * with it should be released.
- */
- void ipa_gsi_trans_release(struct gsi_trans *trans);
- /**
- * ipa_gsi_channel_tx_queued() - GSI queued to hardware notification
- * @gsi: GSI pointer
- * @channel_id: Channel number
- * @count: Number of transactions queued
- * @byte_count: Number of bytes to transfer represented by transactions
- *
- * This called from the GSI layer to notify the IPA layer that some
- * number of transactions have been queued to hardware for execution.
- */
- void ipa_gsi_channel_tx_queued(struct gsi *gsi, u32 channel_id, u32 count,
- u32 byte_count);
- /**
- * ipa_gsi_channel_tx_completed() - GSI transaction completion callback
- * @gsi: GSI pointer
- * @channel_id: Channel number
- * @count: Number of transactions completed since last report
- * @byte_count: Number of bytes transferred represented by transactions
- *
- * This called from the GSI layer to notify the IPA layer that the hardware
- * has reported the completion of some number of transactions.
- */
- void ipa_gsi_channel_tx_completed(struct gsi *gsi, u32 channel_id, u32 count,
- u32 byte_count);
- /* ipa_gsi_endpoint_data_empty() - Empty endpoint config data test
- * @data: endpoint configuration data
- *
- * Determines whether an endpoint configuration data entry is empty,
- * meaning it contains no valid configuration information and should
- * be ignored.
- *
- * Return: true if empty; false otherwise
- */
- bool ipa_gsi_endpoint_data_empty(const struct ipa_gsi_endpoint_data *data);
- #endif /* _IPA_GSI_TRANS_H_ */
|
