include/asm-mips/sn/agent.h

   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 */