/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved.
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*/
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#ifndef _ASM_IA64_SN_XTALK_HUBDEV_H
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#define _ASM_IA64_SN_XTALK_HUBDEV_H
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#include "xtalk/xwidgetdev.h"
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#define HUB_WIDGET_ID_MAX 0xf
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#define DEV_PER_WIDGET (2*2*8)
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#define IIO_ITTE_WIDGET_BITS 4 /* size of widget field */
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#define IIO_ITTE_WIDGET_MASK ((1<<IIO_ITTE_WIDGET_BITS)-1)
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#define IIO_ITTE_WIDGET_SHIFT 8
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#define IIO_ITTE_WIDGET(itte) \
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(((itte) >> IIO_ITTE_WIDGET_SHIFT) & IIO_ITTE_WIDGET_MASK)
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/*
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* Use the top big window as a surrogate for the first small window
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*/
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#define SWIN0_BIGWIN HUB_NUM_BIG_WINDOW
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#define IIO_NUM_ITTES 7
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#define HUB_NUM_BIG_WINDOW (IIO_NUM_ITTES - 1)
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/* This struct is shared between the PROM and the kernel.
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* Changes to this struct will require corresponding changes to the kernel.
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*/
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struct sn_flush_device_common {
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int sfdl_bus;
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int sfdl_slot;
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int sfdl_pin;
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struct common_bar_list {
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unsigned long start;
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unsigned long end;
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} sfdl_bar_list[6];
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unsigned long sfdl_force_int_addr;
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unsigned long sfdl_flush_value;
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volatile unsigned long *sfdl_flush_addr;
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u32 sfdl_persistent_busnum;
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u32 sfdl_persistent_segment;
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struct pcibus_info *sfdl_pcibus_info;
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};
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/* This struct is kernel only and is not used by the PROM */
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struct sn_flush_device_kernel {
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spinlock_t sfdl_flush_lock;
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struct sn_flush_device_common *common;
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};
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/* 01/16/06 This struct is the old PROM/kernel struct and needs to be included
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* for older official PROMs to function on the new kernel base. This struct
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* will be removed when the next official PROM release occurs. */
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struct sn_flush_device_war {
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struct sn_flush_device_common common;
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u32 filler; /* older PROMs expect the default size of a spinlock_t */
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};
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/*
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* **widget_p - Used as an array[wid_num][device] of sn_flush_device_kernel.
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*/
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struct sn_flush_nasid_entry {
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struct sn_flush_device_kernel **widget_p; // Used as an array of wid_num
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u64 iio_itte[8];
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};
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struct hubdev_info {
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geoid_t hdi_geoid;
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short hdi_nasid;
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short hdi_peer_nasid; /* Dual Porting Peer */
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struct sn_flush_nasid_entry hdi_flush_nasid_list;
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struct xwidget_info hdi_xwidget_info[HUB_WIDGET_ID_MAX + 1];
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void *hdi_nodepda;
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void *hdi_node_vertex;
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u32 max_segment_number;
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u32 max_pcibus_number;
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};
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extern void hubdev_init_node(nodepda_t *, cnodeid_t);
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extern void hub_error_init(struct hubdev_info *);
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extern void ice_error_init(struct hubdev_info *);
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#endif /* _ASM_IA64_SN_XTALK_HUBDEV_H */
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