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, 2000-2005 Silicon Graphics, Inc. All rights reserved. 7 */ 8#ifndef _ASM_IA64_SN_XTALK_HUBDEV_H 9#define _ASM_IA64_SN_XTALK_HUBDEV_H 10 11#include "xtalk/xwidgetdev.h" 12 13#define HUB_WIDGET_ID_MAX 0xf 14#define DEV_PER_WIDGET (2*2*8) 15#define IIO_ITTE_WIDGET_BITS 4 /* size of widget field */ 16#define IIO_ITTE_WIDGET_MASK ((1<<IIO_ITTE_WIDGET_BITS)-1) 17#define IIO_ITTE_WIDGET_SHIFT 8 18 19#define IIO_ITTE_WIDGET(itte) \ 20 (((itte) >> IIO_ITTE_WIDGET_SHIFT) & IIO_ITTE_WIDGET_MASK) 21 22/* 23 * Use the top big window as a surrogate for the first small window 24 */ 25#define SWIN0_BIGWIN HUB_NUM_BIG_WINDOW 26#define IIO_NUM_ITTES 7 27#define HUB_NUM_BIG_WINDOW (IIO_NUM_ITTES - 1) 28 29/* This struct is shared between the PROM and the kernel. 30 * Changes to this struct will require corresponding changes to the kernel. 31 */ 32struct sn_flush_device_common { 33 int sfdl_bus; 34 int sfdl_slot; 35 int sfdl_pin; 36 struct common_bar_list { 37 unsigned long start; 38 unsigned long end; 39 } sfdl_bar_list[6]; 40 unsigned long sfdl_force_int_addr; 41 unsigned long sfdl_flush_value; 42 volatile unsigned long *sfdl_flush_addr; 43 u32 sfdl_persistent_busnum; 44 u32 sfdl_persistent_segment; 45 struct pcibus_info *sfdl_pcibus_info; 46}; 47 48/* This struct is kernel only and is not used by the PROM */ 49struct sn_flush_device_kernel { 50 spinlock_t sfdl_flush_lock; 51 struct sn_flush_device_common *common; 52}; 53 54/* 01/16/06 This struct is the old PROM/kernel struct and needs to be included 55 * for older official PROMs to function on the new kernel base. This struct 56 * will be removed when the next official PROM release occurs. */ 57 58struct sn_flush_device_war { 59 struct sn_flush_device_common common; 60 u32 filler; /* older PROMs expect the default size of a spinlock_t */ 61}; 62 63/* 64 * **widget_p - Used as an array[wid_num][device] of sn_flush_device_kernel. 65 */ 66struct sn_flush_nasid_entry { 67 struct sn_flush_device_kernel **widget_p; // Used as an array of wid_num 68 u64 iio_itte[8]; 69}; 70 71struct hubdev_info { 72 geoid_t hdi_geoid; 73 short hdi_nasid; 74 short hdi_peer_nasid; /* Dual Porting Peer */ 75 76 struct sn_flush_nasid_entry hdi_flush_nasid_list; 77 struct xwidget_info hdi_xwidget_info[HUB_WIDGET_ID_MAX + 1]; 78 79 80 void *hdi_nodepda; 81 void *hdi_node_vertex; 82 u32 max_segment_number; 83 u32 max_pcibus_number; 84}; 85 86extern void hubdev_init_node(nodepda_t *, cnodeid_t); 87extern void hub_error_init(struct hubdev_info *); 88extern void ice_error_init(struct hubdev_info *); 89 90 91#endif /* _ASM_IA64_SN_XTALK_HUBDEV_H */ 92