| Alex Elder | 2b9feef | 2020-03-05 22:28:25 -0600 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | |
| 3 | /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. |
| 4 | * Copyright (C) 2019-2020 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 | /* The size of a filter or route table entry */ |
| 14 | #define IPA_TABLE_ENTRY_SIZE sizeof(__le64) /* Holds a physical address */ |
| 15 | |
| 16 | /* The maximum number of filter table entries (IPv4, IPv6; hashed or not) */ |
| 17 | #define IPA_FILTER_COUNT_MAX 14 |
| 18 | |
| 19 | /* The maximum number of route table entries (IPv4, IPv6; hashed or not) */ |
| 20 | #define IPA_ROUTE_COUNT_MAX 15 |
| 21 | |
| 22 | #ifdef IPA_VALIDATE |
| 23 | |
| 24 | /** |
| 25 | * ipa_table_valid() - Validate route and filter table memory regions |
| 26 | * @ipa: IPA pointer |
| 27 | |
| Alex Elder | e3eea08 | 2020-07-13 07:24:18 -0500 | [diff] [blame] | 28 | * Return: true if all regions are valid, false otherwise |
| Alex Elder | 2b9feef | 2020-03-05 22:28:25 -0600 | [diff] [blame] | 29 | */ |
| 30 | bool ipa_table_valid(struct ipa *ipa); |
| 31 | |
| 32 | /** |
| 33 | * ipa_filter_map_valid() - Validate a filter table endpoint bitmap |
| 34 | * @ipa: IPA pointer |
| 35 | * |
| Alex Elder | e3eea08 | 2020-07-13 07:24:18 -0500 | [diff] [blame] | 36 | * Return: true if all regions are valid, false otherwise |
| Alex Elder | 2b9feef | 2020-03-05 22:28:25 -0600 | [diff] [blame] | 37 | */ |
| 38 | bool ipa_filter_map_valid(struct ipa *ipa, u32 filter_mask); |
| 39 | |
| 40 | #else /* !IPA_VALIDATE */ |
| 41 | |
| 42 | static inline bool ipa_table_valid(struct ipa *ipa) |
| 43 | { |
| 44 | return true; |
| 45 | } |
| 46 | |
| 47 | static inline bool ipa_filter_map_valid(struct ipa *ipa, u32 filter_mask) |
| 48 | { |
| 49 | return true; |
| 50 | } |
| 51 | |
| 52 | #endif /* !IPA_VALIDATE */ |
| 53 | |
| 54 | /** |
| 55 | * ipa_table_reset() - Reset filter and route tables entries to "none" |
| 56 | * @ipa: IPA pointer |
| 57 | * @modem: Whether to reset modem or AP entries |
| 58 | */ |
| 59 | void ipa_table_reset(struct ipa *ipa, bool modem); |
| 60 | |
| 61 | /** |
| 62 | * ipa_table_hash_flush() - Synchronize hashed filter and route updates |
| 63 | * @ipa: IPA pointer |
| 64 | */ |
| 65 | int ipa_table_hash_flush(struct ipa *ipa); |
| 66 | |
| 67 | /** |
| 68 | * ipa_table_setup() - Set up filter and route tables |
| 69 | * @ipa: IPA pointer |
| 70 | */ |
| 71 | int ipa_table_setup(struct ipa *ipa); |
| 72 | |
| 73 | /** |
| 74 | * ipa_table_teardown() - Inverse of ipa_table_setup() |
| 75 | * @ipa: IPA pointer |
| 76 | */ |
| 77 | void ipa_table_teardown(struct ipa *ipa); |
| 78 | |
| 79 | /** |
| 80 | * ipa_table_config() - Configure filter and route tables |
| 81 | * @ipa: IPA pointer |
| 82 | */ |
| 83 | void ipa_table_config(struct ipa *ipa); |
| 84 | |
| 85 | /** |
| 86 | * ipa_table_deconfig() - Inverse of ipa_table_config() |
| 87 | * @ipa: IPA pointer |
| 88 | */ |
| 89 | void ipa_table_deconfig(struct ipa *ipa); |
| 90 | |
| 91 | /** |
| 92 | * ipa_table_init() - Do early initialization of filter and route tables |
| 93 | * @ipa: IPA pointer |
| 94 | */ |
| 95 | int ipa_table_init(struct ipa *ipa); |
| 96 | |
| 97 | /** |
| 98 | * ipa_table_exit() - Inverse of ipa_table_init() |
| 99 | * @ipa: IPA pointer |
| 100 | */ |
| 101 | void ipa_table_exit(struct ipa *ipa); |
| 102 | |
| 103 | #endif /* _IPA_TABLE_H_ */ |