xref: /openbmc/linux/arch/mips/include/asm/sn/agent.h (revision 1fa6ac37)
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