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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
Linus Torvalds1da177e2005-04-16 15:20:36 -070014#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 */