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agent.h
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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 ([email protected])
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 */