MIPS: Oceton: Update model detection code for new chips.
[deliverable/linux.git] / drivers / staging / octeon / cvmx-helper-loop.h
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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 published by
11 * the Free Software Foundation.
12 *
13 * This file is distributed in the hope that it will be useful,
14 * but AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
16 * See the GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this file; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 * or visit http://www.gnu.org/licenses/.
22 *
23 * This file may also be available under a different license from Cavium.
24 * Contact Cavium Networks for more information
25 ***********************license end**************************************/
26
27/**
28 * @file
29 *
30 * Functions for LOOP initialization, configuration,
31 * and monitoring.
32 *
33 */
34#ifndef __CVMX_HELPER_LOOP_H__
35#define __CVMX_HELPER_LOOP_H__
36
37/**
38 * Probe a LOOP interface and determine the number of ports
39 * connected to it. The LOOP interface should still be down after
40 * this call.
41 *
42 * @interface: Interface to probe
43 *
44 * Returns Number of ports on the interface. Zero to disable.
45 */
46extern int __cvmx_helper_loop_probe(int interface);
47
48/**
49 * Bringup and enable a LOOP interface. After this call packet
50 * I/O should be fully functional. This is called with IPD
51 * enabled but PKO disabled.
52 *
53 * @interface: Interface to bring up
54 *
55 * Returns Zero on success, negative on failure
56 */
57extern int __cvmx_helper_loop_enable(int interface);
58
59#endif
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