1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License.  See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * This file has definitions for the hub and snac interfaces.
7 *
8 * Copyright (C) 1992 - 1997, 1999, 2000 Silcon Graphics, Inc.
9 * Copyright (C) 1999, 2000 Ralf Baechle (ralf@gnu.org)
10 */
11#ifndef _ASM_SGI_SN_AGENT_H
12#define _ASM_SGI_SN_AGENT_H
13
14#include <linux/topology.h>
15#include <asm/sn/addrs.h>
16#include <asm/sn/arch.h>
17
18#if defined(CONFIG_SGI_IP27)
19#include <asm/sn/sn0/hub.h>
20#elif defined(CONFIG_SGI_IP35)
21#include <asm/sn/sn1/hub.h>
22#endif	/* !CONFIG_SGI_IP27 && !CONFIG_SGI_IP35 */
23
24/*
25 * NIC register macros
26 */
27
28#if defined(CONFIG_SGI_IP27)
29#define HUB_NIC_ADDR(_cpuid) 						   \
30	REMOTE_HUB_ADDR(COMPACT_TO_NASID_NODEID(cpu_to_node(_cpuid)),       \
31		MD_MLAN_CTL)
32#endif
33
34#define SET_HUB_NIC(_my_cpuid, _val) 				  	   \
35	(HUB_S(HUB_NIC_ADDR(_my_cpuid), (_val)))
36
37#define SET_MY_HUB_NIC(_v) 					           \
38	SET_HUB_NIC(cpuid(), (_v))
39
40#define GET_HUB_NIC(_my_cpuid) 						   \
41	(HUB_L(HUB_NIC_ADDR(_my_cpuid)))
42
43#define GET_MY_HUB_NIC() 						   \
44	GET_HUB_NIC(cpuid())
45
46#endif /* _ASM_SGI_SN_AGENT_H */
47