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/* $Id: xswitch.h,v 1.1.1.1 2004-04-15 02:58:08 phoenix Exp $

 *

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 *

 * Copyright (C) 1992-1997,2000-2003 Silicon Graphics, Inc.  All Rights Reserved.

 */

#ifndef _ASM_SN_XTALK_XSWITCH_H

#define _ASM_SN_XTALK_XSWITCH_H

/*

 * xswitch.h - controls the format of the data

 * provided by xswitch verticies back to the

 * xtalk bus providers.

 */

#ifndef __ASSEMBLY__

#include <linux/devfs_fs_kernel.h>

#include <asm/sn/xtalk/xtalk.h>

typedef struct xswitch_info_s *xswitch_info_t;

typedef int

                        xswitch_reset_link_f(vertex_hdl_t xconn);

typedef struct xswitch_provider_s {

    xswitch_reset_link_f   *reset_link;

} xswitch_provider_t;

extern void             xswitch_provider_register(vertex_hdl_t sw_vhdl, xswitch_provider_t * xsw_fns);

xswitch_reset_link_f    xswitch_reset_link;

extern xswitch_info_t   xswitch_info_new(vertex_hdl_t vhdl);

extern void             xswitch_info_link_is_ok(xswitch_info_t xswitch_info,

                                                xwidgetnum_t port);

extern void             xswitch_info_vhdl_set(xswitch_info_t xswitch_info,

                                              xwidgetnum_t port,

                                              vertex_hdl_t xwidget);

extern void             xswitch_info_master_assignment_set(xswitch_info_t xswitch_info,

                                                       xwidgetnum_t port,

                                               vertex_hdl_t master_vhdl);

extern xswitch_info_t   xswitch_info_get(vertex_hdl_t vhdl);

extern int              xswitch_info_link_ok(xswitch_info_t xswitch_info,

                                             xwidgetnum_t port);

extern vertex_hdl_t     xswitch_info_vhdl_get(xswitch_info_t xswitch_info,

                                              xwidgetnum_t port);

extern vertex_hdl_t     xswitch_info_master_assignment_get(xswitch_info_t xswitch_info,

                                                      xwidgetnum_t port);

#endif                          /* __ASSEMBLY__ */

#endif                          /* _ASM_SN_XTALK_XSWITCH_H */