Revision 6f335a7afa6bc57603f39430dc6f9e57de288a91 authored by Ben Skeggs on 29 March 2010, 00:06:09 UTC, committed by Ben Skeggs on 09 April 2010, 00:15:38 UTC
This value interacts with some registers we don't currently know how to program properly ourselves. The default of 5 that we were using matches what the VBIOS on early DP cards do, but later ones use 6, which would cause nouveau to program an incorrect mode on these chips. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
1 parent d327dd4
addr.c
/*
* net/tipc/addr.c: TIPC address utility routines
*
* Copyright (c) 2000-2006, Ericsson AB
* Copyright (c) 2004-2005, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the names of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "core.h"
#include "dbg.h"
#include "addr.h"
#include "zone.h"
#include "cluster.h"
#include "net.h"
u32 tipc_get_addr(void)
{
return tipc_own_addr;
}
/**
* tipc_addr_domain_valid - validates a network domain address
*
* Accepts <Z.C.N>, <Z.C.0>, <Z.0.0>, and <0.0.0>,
* where Z, C, and N are non-zero and do not exceed the configured limits.
*
* Returns 1 if domain address is valid, otherwise 0
*/
int tipc_addr_domain_valid(u32 addr)
{
u32 n = tipc_node(addr);
u32 c = tipc_cluster(addr);
u32 z = tipc_zone(addr);
u32 max_nodes = tipc_max_nodes;
if (is_slave(addr))
max_nodes = LOWEST_SLAVE + tipc_max_slaves;
if (n > max_nodes)
return 0;
if (c > tipc_max_clusters)
return 0;
if (z > tipc_max_zones)
return 0;
if (n && (!z || !c))
return 0;
if (c && !z)
return 0;
return 1;
}
/**
* tipc_addr_node_valid - validates a proposed network address for this node
*
* Accepts <Z.C.N>, where Z, C, and N are non-zero and do not exceed
* the configured limits.
*
* Returns 1 if address can be used, otherwise 0
*/
int tipc_addr_node_valid(u32 addr)
{
return (tipc_addr_domain_valid(addr) && tipc_node(addr));
}
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