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 <asm/sn/addrs.h>
15#include <asm/sn/arch.h>
16
17#if defined(CONFIG_SGI_IP27)
18#include <asm/sn/sn0/hub.h>
19#elif defined(CONFIG_SGI_IP35)
20#include <asm/sn/sn1/hub.h>
21#endif	/* !CONFIG_SGI_IP27 && !CONFIG_SGI_IP35 */
22
23/*
24 * NIC register macros
25 */
26
27#if defined(CONFIG_SGI_IP27)
28#define HUB_NIC_ADDR(_cpuid)						   \
29	REMOTE_HUB_ADDR(COMPACT_TO_NASID_NODEID(cpu_to_node(_cpuid)),	    \
30		MD_MLAN_CTL)
31#endif
32
33#define SET_HUB_NIC(_my_cpuid, _val)					   \
34	(HUB_S(HUB_NIC_ADDR(_my_cpuid), (_val)))
35
36#define SET_MY_HUB_NIC(_v)						   \
37	SET_HUB_NIC(cpuid(), (_v))
38
39#define GET_HUB_NIC(_my_cpuid)						   \
40	(HUB_L(HUB_NIC_ADDR(_my_cpuid)))
41
42#define GET_MY_HUB_NIC()						   \
43	GET_HUB_NIC(cpuid())
44
45#endif /* _ASM_SGI_SN_AGENT_H */
46