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