arch/mips/include/asm/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/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 */