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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Interconnect framework internal structs
*
* Copyright (c) 2019, Linaro Ltd.
* Author: Georgi Djakov <georgi.djakov@linaro.org>
*/
#ifndef __DRIVERS_INTERCONNECT_INTERNAL_H
#define __DRIVERS_INTERCONNECT_INTERNAL_H
/**
* struct icc_req - constraints that are attached to each node
* @req_node: entry in list of requests for the particular @node
* @node: the interconnect node to which this constraint applies
* @dev: reference to the device that sets the constraints
* @enabled: indicates whether the path with this request is enabled
* @tag: path tag (optional)
* @avg_bw: an integer describing the average bandwidth in kBps
* @peak_bw: an integer describing the peak bandwidth in kBps
*/
struct icc_req {
struct hlist_node req_node;
struct icc_node *node;
struct device *dev;
bool enabled;
u32 tag;
u32 avg_bw;
u32 peak_bw;
};
/**
* struct icc_path - interconnect path structure
* @name: a string name of the path (useful for ftrace)
* @num_nodes: number of hops (nodes)
* @reqs: array of the requests applicable to this path of nodes
*/
struct icc_path {
const char *name;
size_t num_nodes;
struct icc_req reqs[] __counted_by(num_nodes);
};
struct icc_path *icc_get(struct device *dev, const char *src, const char *dst);
int icc_debugfs_client_init(struct dentry *icc_dir);
#endif
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