net/ipa/ipa_cmd.h

1 /* SPDX-License-Identifier: GPL-2.0 */
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4  * Copyright (C) 2019-2020 Linaro Ltd.
10 #include <linux/dma-direction.h>
15 struct ipa;
21  * enum ipa_cmd_opcode:	IPA immediate commands
24  * The numeric values here are the opcodes for IPA v3.5.1 hardware.
43  * struct ipa_cmd_info - information needed for an IPA immediate command
57  * ipa_cmd_table_valid() - Validate a memory region holding a table
58  * @ipa:	- IPA pointer
59  * @mem:	- IPA memory region descriptor
60  * @route:	- Whether the region holds a route or filter table
61  * @ipv6:	- Whether the table is for IPv6 or IPv4
62  * @hashed:	- Whether the table is hashed or non-hashed
66 bool ipa_cmd_table_valid(struct ipa *ipa, const struct ipa_mem *mem,
70  * ipa_cmd_data_valid() - Validate command-realted configuration is valid
71  * @ipa:	- IPA pointer
75 bool ipa_cmd_data_valid(struct ipa *ipa);
79 static inline bool ipa_cmd_table_valid(struct ipa *ipa,  in ipa_cmd_table_valid()  argument
86 static inline bool ipa_cmd_data_valid(struct ipa *ipa)  in ipa_cmd_data_valid()  argument
94  * ipa_cmd_pool_init() - initialize command channel pools
95  * @channel:	AP->IPA command TX GSI channel pointer
103  * ipa_cmd_pool_exit() - Inverse of ipa_cmd_pool_init()
104  * @channel:	AP->IPA command TX GSI channel pointer
109  * ipa_cmd_table_init_add() - Add table init command to a transaction
111  * @opcode:	IPA immediate command opcode
112  * @size:	Size of non-hashed routing table memory
113  * @offset:	Offset in IPA shared memory of non-hashed routing table memory
114  * @addr:	DMA address of non-hashed table data to write
116  * @hash_offset: Offset in IPA shared memory of hashed routing table memory
127  * ipa_cmd_hdr_init_local_add() - Add a header init command to a transaction
128  * @ipa:	IPA structure
129  * @offset:	Offset of header memory in IPA local space
133  * Defines and fills the location in IPA memory to use for headers.
139  * ipa_cmd_register_write_add() - Add a register write command to a transaction
150  * ipa_cmd_dma_shared_mem_add() - Add a DMA memory command to a transaction
152  * @offset:	Offset of IPA memory to be read or written
155  * @toward_ipa:	true means write to IPA memory; false means read
161  * ipa_cmd_tag_process_add() - Add IPA tag process commands to a transaction
167  * ipa_cmd_tag_process_add_count() - Number of commands in a tag process
175  * ipa_cmd_tag_process() - Perform a tag process
180 void ipa_cmd_tag_process(struct ipa *ipa);
183  * ipa_cmd_trans_alloc() - Allocate a transaction for the command TX endpoint
184  * @ipa:	IPA pointer
190 struct gsi_trans *ipa_cmd_trans_alloc(struct ipa *ipa, u32 tre_count);