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/*
* Copyright 2021 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#ifndef DC_INC_LINK_DP_DPIA_BW_H_
#define DC_INC_LINK_DP_DPIA_BW_H_
// XXX: TODO: Re-add for Phase 2
/* Number of Host Routers per motherboard is 2 and 2 DPIA per host router */
#define MAX_HR_NUM 2
struct dc_host_router_bw_alloc {
int max_bw[MAX_HR_NUM]; // The Max BW that each Host Router has available to be shared btw DPIAs
int total_estimated_bw[MAX_HR_NUM]; // The Total Verified and available BW that Host Router has
};
/*
* Enable BW Allocation Mode Support from the DP-Tx side
*
* @link: pointer to the dc_link struct instance
*
* return: SUCCESS or FAILURE
*/
bool set_dptx_usb4_bw_alloc_support(struct dc_link *link);
/*
* Send a request from DP-Tx requesting to allocate BW remotely after
* allocating it locally. This will get processed by CM and a CB function
* will be called.
*
* @link: pointer to the dc_link struct instance
* @req_bw: The requested bw in Kbyte to allocated
*
* return: none
*/
void set_usb4_req_bw_req(struct dc_link *link, int req_bw);
/*
* CB function for when the status of the Req above is complete. We will
* find out the result of allocating on CM and update structs accordingly
*
* @link: pointer to the dc_link struct instance
*
* return: none
*/
void get_usb4_req_bw_resp(struct dc_link *link);
#endif /* DC_INC_LINK_DP_DPIA_BW_H_ */
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