/*
* 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, 2000-2005 Silicon Graphics, Inc. All rights reserved.
*/
#ifndef _ASM_IA64_SN_XTALK_HUBDEV_H
#define _ASM_IA64_SN_XTALK_HUBDEV_H

#include "xtalk/xwidgetdev.h"

#define HUB_WIDGET_ID_MAX 0xf
#define DEV_PER_WIDGET (2*2*8)
#define IIO_ITTE_WIDGET_BITS 4 /* size of widget field */
#define IIO_ITTE_WIDGET_MASK ((1<<IIO_ITTE_WIDGET_BITS)-1)
#define IIO_ITTE_WIDGET_SHIFT 8

#define IIO_ITTE_WIDGET(itte) \
(((itte) >> IIO_ITTE_WIDGET_SHIFT) & IIO_ITTE_WIDGET_MASK)

/*
* Use the top big window as a surrogate for the first small window
*/
#define SWIN0_BIGWIN HUB_NUM_BIG_WINDOW
#define IIO_NUM_ITTES 7
#define HUB_NUM_BIG_WINDOW (IIO_NUM_ITTES - 1)

/* This struct is shared between the PROM and the kernel.
* Changes to this struct will require corresponding changes to the kernel.
*/
struct sn_flush_device_common {
int sfdl_bus;
int sfdl_slot;
int sfdl_pin;
struct common_bar_list {
unsigned long start;
unsigned long end;
} sfdl_bar_list[6];
unsigned long sfdl_force_int_addr;
unsigned long sfdl_flush_value;
volatile unsigned long *sfdl_flush_addr;
u32 sfdl_persistent_busnum;
u32 sfdl_persistent_segment;
struct pcibus_info *sfdl_pcibus_info;
};

/* This struct is kernel only and is not used by the PROM */
struct sn_flush_device_kernel {
spinlock_t sfdl_flush_lock;
struct sn_flush_device_common *common;
};

/* 01/16/06 This struct is the old PROM/kernel struct and needs to be included
* for older official PROMs to function on the new kernel base. This struct
* will be removed when the next official PROM release occurs. */

struct sn_flush_device_war {
struct sn_flush_device_common common;
u32 filler; /* older PROMs expect the default size of a spinlock_t */
};

/*
* **widget_p - Used as an array[wid_num][device] of sn_flush_device_kernel.
*/
struct sn_flush_nasid_entry {
struct sn_flush_device_kernel **widget_p; // Used as an array of wid_num
u64 iio_itte[8];
};

struct hubdev_info {
geoid_t hdi_geoid;
short hdi_nasid;
short hdi_peer_nasid; /* Dual Porting Peer */

struct sn_flush_nasid_entry hdi_flush_nasid_list;
struct xwidget_info hdi_xwidget_info[HUB_WIDGET_ID_MAX + 1];


void *hdi_nodepda;
void *hdi_node_vertex;
u32 max_segment_number;
u32 max_pcibus_number;
};

extern void hubdev_init_node(nodepda_t *, cnodeid_t);
extern void hub_error_init(struct hubdev_info *);
extern void ice_error_init(struct hubdev_info *);


#endif /* _ASM_IA64_SN_XTALK_HUBDEV_H */