Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[linux-btrfs-devel.git] / drivers / staging / octeon / cvmx-helper-npi.h
blob908e7b08c214cfbe6cc0a37ee1126c4fd91bc531
1 /***********************license start***************
2 * Author: Cavium Networks
4 * Contact: support@caviumnetworks.com
5 * This file is part of the OCTEON SDK
7 * Copyright (c) 2003-2008 Cavium Networks
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.
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.
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/.
24 * This file may also be available under a different license from Cavium.
25 * Contact Cavium Networks for more information
26 ***********************license end**************************************/
28 /**
29 * @file
31 * Functions for NPI initialization, configuration,
32 * and monitoring.
35 #ifndef __CVMX_HELPER_NPI_H__
36 #define __CVMX_HELPER_NPI_H__
38 /**
39 * Probe a NPI interface and determine the number of ports
40 * connected to it. The NPI interface should still be down after
41 * this call.
43 * @interface: Interface to probe
45 * Returns Number of ports on the interface. Zero to disable.
47 extern int __cvmx_helper_npi_probe(int interface);
49 /**
50 * Bringup and enable a NPI interface. After this call packet
51 * I/O should be fully functional. This is called with IPD
52 * enabled but PKO disabled.
54 * @interface: Interface to bring up
56 * Returns Zero on success, negative on failure
58 extern int __cvmx_helper_npi_enable(int interface);
60 #endif