| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |