2020-12-11 16:05:24 +00:00
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2020 Marvell International Ltd.
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*
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* Functions for LOOP initialization, configuration,
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* and monitoring.
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*/
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#ifndef __CVMX_HELPER_LOOP_H__
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#define __CVMX_HELPER_LOOP_H__
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/**
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* @INTERNAL
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* Probe a LOOP interface and determine the number of ports
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* connected to it. The LOOP interface should still be down after
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* this call.
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*
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* @param xiface Interface to probe
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*
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2022-01-19 17:05:50 +00:00
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* Return: Number of ports on the interface. Zero to disable.
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2020-12-11 16:05:24 +00:00
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*/
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int __cvmx_helper_loop_probe(int xiface);
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int __cvmx_helper_loop_enumerate(int xiface);
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/**
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* @INTERNAL
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* Bringup and enable a LOOP interface. After this call packet
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* I/O should be fully functional. This is called with IPD
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* enabled but PKO disabled.
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*
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* @param xiface Interface to bring up
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*
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2022-01-19 17:05:50 +00:00
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* Return: Zero on success, negative on failure
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2020-12-11 16:05:24 +00:00
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*/
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int __cvmx_helper_loop_enable(int xiface);
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#endif
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