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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020 Marvell International Ltd.
*
* Functions for LOOP initialization, configuration,
* and monitoring.
*/
#ifndef __CVMX_HELPER_LOOP_H__
#define __CVMX_HELPER_LOOP_H__
/**
* @INTERNAL
* Probe a LOOP interface and determine the number of ports
* connected to it. The LOOP interface should still be down after
* this call.
*
* @param xiface Interface to probe
*
* Return: Number of ports on the interface. Zero to disable.
*/
int __cvmx_helper_loop_probe(int xiface);
int __cvmx_helper_loop_enumerate(int xiface);
/**
* @INTERNAL
* Bringup and enable a LOOP interface. After this call packet
* I/O should be fully functional. This is called with IPD
* enabled but PKO disabled.
*
* @param xiface Interface to bring up
*
* Return: Zero on success, negative on failure
*/
int __cvmx_helper_loop_enable(int xiface);
#endif
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