| 1 | /* |
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| 2 | * This file is subject to the terms and conditions of the GNU General Public |
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| 3 | * License. See the file "COPYING" in the main directory of this archive |
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| 4 | * for more details. |
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| 5 | * |
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| 6 | * This file has definitions for the hub and snac interfaces. |
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| 7 | * |
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| 8 | * Copyright (C) 1992 - 1997, 1999, 2000 Silcon Graphics, Inc. |
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| 9 | * Copyright (C) 1999, 2000 Ralf Baechle (ralf@gnu.org) |
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| 10 | */ |
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| 11 | #ifndef _ASM_SGI_SN_AGENT_H |
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| 12 | #define _ASM_SGI_SN_AGENT_H |
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| 13 | |
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| 14 | #include <asm/sn/addrs.h> |
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| 15 | #include <asm/sn/arch.h> |
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| 16 | |
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| 17 | #if defined(CONFIG_SGI_IP27) |
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| 18 | #include <asm/sn/sn0/hub.h> |
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| 19 | #elif defined(CONFIG_SGI_IP35) |
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| 20 | #include <asm/sn/sn1/hub.h> |
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| 21 | #endif /* !CONFIG_SGI_IP27 && !CONFIG_SGI_IP35 */ |
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| 22 | |
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| 23 | /* |
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| 24 | * NIC register macros |
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| 25 | */ |
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| 26 | |
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| 27 | #if defined(CONFIG_SGI_IP27) |
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| 28 | #define HUB_NIC_ADDR(_cpuid) \ |
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| 29 | REMOTE_HUB_ADDR(COMPACT_TO_NASID_NODEID(cpu_to_node(_cpuid)), \ |
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| 30 | MD_MLAN_CTL) |
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| 31 | #endif |
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| 32 | |
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| 33 | #define SET_HUB_NIC(_my_cpuid, _val) \ |
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| 34 | (HUB_S(HUB_NIC_ADDR(_my_cpuid), (_val))) |
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| 35 | |
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| 36 | #define SET_MY_HUB_NIC(_v) \ |
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| 37 | SET_HUB_NIC(cpuid(), (_v)) |
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| 38 | |
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| 39 | #define GET_HUB_NIC(_my_cpuid) \ |
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| 40 | (HUB_L(HUB_NIC_ADDR(_my_cpuid))) |
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| 41 | |
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| 42 | #define GET_MY_HUB_NIC() \ |
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| 43 | GET_HUB_NIC(cpuid()) |
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| 44 | |
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| 45 | #endif /* _ASM_SGI_SN_AGENT_H */ |
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