drivers/interconnect/internal.h

   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  * @enabled: indicates whether the path with this request is enabled
  18  * @tag: path tag (optional)
  19  * @avg_bw: an integer describing the average bandwidth in kBps
  20  * @peak_bw: an integer describing the peak bandwidth in kBps
  21  */
  22 struct icc_req {
  23         struct hlist_node req_node;
  24         struct icc_node *node;
  25         struct device *dev;
  26         bool enabled;
  27         u32 tag;
  28         u32 avg_bw;
  29         u32 peak_bw;
  30 };
  31
  32 /**
  33  * struct icc_path - interconnect path structure
  34  * @name: a string name of the path (useful for ftrace)
  35  * @num_nodes: number of hops (nodes)
  36  * @reqs: array of the requests applicable to this path of nodes
  37  */
  38 struct icc_path {
  39         const char *name;
  40         size_t num_nodes;
  41         struct icc_req reqs[];
  42 };
  43
  44 #endif