| /* 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 |
