blob: 3cf18600c68e8d676bbbe29930c8d2e6f77c5519 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/* 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_trans;
/**
* 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_trans_complete() - GSI transaction completion callback
ipa_gsi_channel_tx_completed()
* @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);
bool ipa_gsi_endpoint_data_empty(const struct ipa_gsi_endpoint_data *data);
#endif /* _IPA_GSI_TRANS_H_ */
|
