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/* $Id: xbow_info.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_XBOW_INFO_H

#define _ASM_SN_XTALK_XBOW_INFO_H

#include <linux/types.h>

#include <linux/devfs_fs_kernel.h>

#define XBOW_PERF_MODES        0x03

#define XBOW_PERF_COUNTERS     0x02

#define XBOW_MONITOR_NONE      0x00

#define XBOW_MONITOR_SRC_LINK  0x01

#define XBOW_MONITOR_DEST_LINK 0x02

#define XBOW_MONITOR_INP_PKT   0x03

#define XBOW_MONITOR_MULTIPLEX 0x04

#define XBOW_LINK_MULTIPLEX    0x20

#define XBOW_PERF_TIMEOUT       4

#define XBOW_STATS_TIMEOUT      HZ

typedef struct xbow_perf_link {

    uint64_t              xlp_cumulative[XBOW_PERF_MODES];

    unsigned char           xlp_link_alive;

} xbow_perf_link_t;

typedef struct xbow_link_status {

    uint64_t              rx_err_count;

    uint64_t              tx_retry_count;

} xbow_link_status_t;

typedef struct xbow_perf {

    uint32_t              xp_current;

    unsigned char           xp_link;

    unsigned char           xp_mode;

    unsigned char           xp_curlink;

    unsigned char           xp_curmode;

    volatile uint32_t    *xp_perf_reg;

} xbow_perf_t;

extern void             xbow_update_perf_counters(vertex_hdl_t);

extern xbow_perf_link_t *xbow_get_perf_counters(vertex_hdl_t);

extern int              xbow_enable_perf_counter(vertex_hdl_t, int, int, int);

#define XBOWIOC_PERF_ENABLE             1

#define XBOWIOC_PERF_DISABLE            2

#define XBOWIOC_PERF_GET                3

#define XBOWIOC_LLP_ERROR_ENABLE        4

#define XBOWIOC_LLP_ERROR_DISABLE       5

#define XBOWIOC_LLP_ERROR_GET           6

struct xbow_perfarg_t {

    int                     link;

    int                     mode;

    int                     counter;

};

#endif                          /* _ASM_SN_XTALK_XBOW_INFO_H */