xref: /linux/drivers/net/ipa/ipa_table.h (revision 0526b56cbc3c489642bd6a5fe4b718dea7ef0ee8)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4  * Copyright (C) 2019-2022 Linaro Ltd.
5  */
6 #ifndef _IPA_TABLE_H_
7 #define _IPA_TABLE_H_
8 
9 #include <linux/types.h>
10 
11 struct ipa;
12 
13 /**
14  * ipa_filtered_valid() - Validate a filter table endpoint bitmap
15  * @ipa:	IPA pointer
16  * @filtered:	Filter table endpoint bitmap to check
17  *
18  * Return:	true if all regions are valid, false otherwise
19  */
20 bool ipa_filtered_valid(struct ipa *ipa, u64 filtered);
21 
22 /**
23  * ipa_table_hash_support() - Return true if hashed tables are supported
24  * @ipa:	IPA pointer
25  */
26 static inline bool ipa_table_hash_support(struct ipa *ipa)
27 {
28 	return ipa->version != IPA_VERSION_4_2;
29 }
30 
31 /**
32  * ipa_table_reset() - Reset filter and route tables entries to "none"
33  * @ipa:	IPA pointer
34  * @modem:	Whether to reset modem or AP entries
35  */
36 void ipa_table_reset(struct ipa *ipa, bool modem);
37 
38 /**
39  * ipa_table_hash_flush() - Synchronize hashed filter and route updates
40  * @ipa:	IPA pointer
41  */
42 int ipa_table_hash_flush(struct ipa *ipa);
43 
44 /**
45  * ipa_table_setup() - Set up filter and route tables
46  * @ipa:	IPA pointer
47  *
48  * There is no need for a matching ipa_table_teardown() function.
49  */
50 int ipa_table_setup(struct ipa *ipa);
51 
52 /**
53  * ipa_table_config() - Configure filter and route tables
54  * @ipa:	IPA pointer
55  *
56  * There is no need for a matching ipa_table_deconfig() function.
57  */
58 void ipa_table_config(struct ipa *ipa);
59 
60 /**
61  * ipa_table_init() - Do early initialization of filter and route tables
62  * @ipa:	IPA pointer
63  */
64 int ipa_table_init(struct ipa *ipa);
65 
66 /**
67  * ipa_table_exit() - Inverse of ipa_table_init()
68  * @ipa:	IPA pointer
69  */
70 void ipa_table_exit(struct ipa *ipa);
71 
72 /**
73  * ipa_table_mem_valid() - Validate sizes of table memory regions
74  * @ipa:	IPA pointer
75  * @filter:	Whether to check filter or routing tables
76  */
77 bool ipa_table_mem_valid(struct ipa *ipa, bool filter);
78 
79 #endif /* _IPA_TABLE_H_ */
80