cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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cvmx-helper-sgmii.h (2814B)

      1/***********************license start***************
      2 * Author: Cavium Networks
      3 *
      4 * Contact: support@caviumnetworks.com
      5 * This file is part of the OCTEON SDK
      6 *
      7 * Copyright (c) 2003-2008 Cavium Networks
      8 *
      9 * This file is free software; you can redistribute it and/or modify
     10 * it under the terms of the GNU General Public License, Version 2, as
     11 * published by the Free Software Foundation.
     12 *
     13 * This file is distributed in the hope that it will be useful, but
     14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
     15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
     16 * NONINFRINGEMENT.  See the GNU General Public License for more
     17 * details.
     18 *
     19 * You should have received a copy of the GNU General Public License
     20 * along with this file; if not, write to the Free Software
     21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
     22 * or visit http://www.gnu.org/licenses/.
     23 *
     24 * This file may also be available under a different license from Cavium.
     25 * Contact Cavium Networks for more information
     26 ***********************license end**************************************/
     27
     28/**
     29 * @file
     30 *
     31 * Functions for SGMII initialization, configuration,
     32 * and monitoring.
     33 *
     34 */
     35#ifndef __CVMX_HELPER_SGMII_H__
     36#define __CVMX_HELPER_SGMII_H__
     37
     38/**
     39 * Probe a SGMII interface and determine the number of ports
     40 * connected to it. The SGMII interface should still be down after
     41 * this call.
     42 *
     43 * @interface: Interface to probe
     44 *
     45 * Returns Number of ports on the interface. Zero to disable.
     46 */
     47extern int __cvmx_helper_sgmii_probe(int interface);
     48extern int __cvmx_helper_sgmii_enumerate(int interface);
     49
     50/**
     51 * Bringup and enable a SGMII interface. After this call packet
     52 * I/O should be fully functional. This is called with IPD
     53 * enabled but PKO disabled.
     54 *
     55 * @interface: Interface to bring up
     56 *
     57 * Returns Zero on success, negative on failure
     58 */
     59extern int __cvmx_helper_sgmii_enable(int interface);
     60
     61/**
     62 * Return the link state of an IPD/PKO port as returned by
     63 * auto negotiation. The result of this function may not match
     64 * Octeon's link config if auto negotiation has changed since
     65 * the last call to cvmx_helper_link_set().
     66 *
     67 * @ipd_port: IPD/PKO port to query
     68 *
     69 * Returns Link state
     70 */
     71extern union cvmx_helper_link_info __cvmx_helper_sgmii_link_get(int ipd_port);
     72
     73/**
     74 * Configure an IPD/PKO port for the specified link state. This
     75 * function does not influence auto negotiation at the PHY level.
     76 * The passed link state must always match the link state returned
     77 * by cvmx_helper_link_get().
     78 *
     79 * @ipd_port:  IPD/PKO port to configure
     80 * @link_info: The new link state
     81 *
     82 * Returns Zero on success, negative on failure
     83 */
     84extern int __cvmx_helper_sgmii_link_set(int ipd_port,
     85					union cvmx_helper_link_info link_info);
     86
     87#endif