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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Interconnect framework internal structs
4 *
5 * Copyright (c) 2019, Linaro Ltd.
6 * Author: Georgi Djakov <georgi.djakov@linaro.org>
7 */
8
9#ifndef __DRIVERS_INTERCONNECT_INTERNAL_H
10#define __DRIVERS_INTERCONNECT_INTERNAL_H
11
12/**
13 * struct icc_req - constraints that are attached to each node
14 * @req_node: entry in list of requests for the particular @node
15 * @node: the interconnect node to which this constraint applies
16 * @dev: reference to the device that sets the constraints
17 * @tag: path tag (optional)
18 * @avg_bw: an integer describing the average bandwidth in kBps
19 * @peak_bw: an integer describing the peak bandwidth in kBps
20 */
21struct icc_req {
22 struct hlist_node req_node;
23 struct icc_node *node;
24 struct device *dev;
25 u32 tag;
26 u32 avg_bw;
27 u32 peak_bw;
28};
29
30/**
31 * struct icc_path - interconnect path structure
32 * @name: a string name of the path (useful for ftrace)
33 * @num_nodes: number of hops (nodes)
34 * @reqs: array of the requests applicable to this path of nodes
35 */
36struct icc_path {
37 const char *name;
38 size_t num_nodes;
39 struct icc_req reqs[];
40};
41
42#endif