include/asm-ia64/sn/xtalk/xswitch.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  * Copyright (C) 1992-1997,2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
   7  */
   8 #ifndef _ASM_IA64_SN_XTALK_XSWITCH_H
   9 #define _ASM_IA64_SN_XTALK_XSWITCH_H
  10
  11 /*
  12  * xswitch.h - controls the format of the data
  13  * provided by xswitch verticies back to the
  14  * xtalk bus providers.
  15  */
  16
  17 #ifndef __ASSEMBLY__
  18
  19 #include <asm/sn/xtalk/xtalk.h>
  20
  21 typedef struct xswitch_info_s *xswitch_info_t;
  22
  23 typedef int
  24                         xswitch_reset_link_f(vertex_hdl_t xconn);
  25
  26 typedef struct xswitch_provider_s {
  27     xswitch_reset_link_f   *reset_link;
  28 } xswitch_provider_t;
  29
  30 extern void             xswitch_provider_register(vertex_hdl_t sw_vhdl, xswitch_provider_t * xsw_fns);
  31
  32 xswitch_reset_link_f    xswitch_reset_link;
  33
  34 extern xswitch_info_t   xswitch_info_new(vertex_hdl_t vhdl);
  35
  36 extern void             xswitch_info_link_is_ok(xswitch_info_t xswitch_info,
  37                                                 xwidgetnum_t port);
  38 extern void             xswitch_info_vhdl_set(xswitch_info_t xswitch_info,
  39                                               xwidgetnum_t port,
  40                                               vertex_hdl_t xwidget);
  41 extern void             xswitch_info_master_assignment_set(xswitch_info_t xswitch_info,
  42                                                        xwidgetnum_t port,
  43                                                vertex_hdl_t master_vhdl);
  44
  45 extern xswitch_info_t   xswitch_info_get(vertex_hdl_t vhdl);
  46
  47 extern int              xswitch_info_link_ok(xswitch_info_t xswitch_info,
  48                                              xwidgetnum_t port);
  49 extern vertex_hdl_t     xswitch_info_vhdl_get(xswitch_info_t xswitch_info,
  50                                               xwidgetnum_t port);
  51 extern vertex_hdl_t     xswitch_info_master_assignment_get(xswitch_info_t xswitch_info,
  52                                                       xwidgetnum_t port);
  53
  54 #endif                          /* __ASSEMBLY__ */
  55
  56 #endif                          /* _ASM_IA64_SN_XTALK_XSWITCH_H */