arch/ia64/sn/include/xtalk/hubdev.h

   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, 2000-2004 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 #define HUB_WIDGET_ID_MAX 0xf
  12 #define DEV_PER_WIDGET (2*2*8)
  13 #define IIO_ITTE_WIDGET_BITS    4       /* size of widget field */
  14 #define IIO_ITTE_WIDGET_MASK    ((1<<IIO_ITTE_WIDGET_BITS)-1)
  15 #define IIO_ITTE_WIDGET_SHIFT   8
  16
  17 /*
  18  * Use the top big window as a surrogate for the first small window
  19  */
  20 #define SWIN0_BIGWIN            HUB_NUM_BIG_WINDOW
  21 #define IIO_NUM_ITTES   7
  22 #define HUB_NUM_BIG_WINDOW      (IIO_NUM_ITTES - 1)
  23
  24 struct sn_flush_device_list {
  25         int sfdl_bus;
  26         int sfdl_slot;
  27         int sfdl_pin;
  28         struct bar_list {
  29                 unsigned long start;
  30                 unsigned long end;
  31         } sfdl_bar_list[6];
  32         unsigned long sfdl_force_int_addr;
  33         unsigned long sfdl_flush_value;
  34         volatile unsigned long *sfdl_flush_addr;
  35         uint64_t sfdl_persistent_busnum;
  36         struct pcibus_info *sfdl_pcibus_info;
  37         spinlock_t sfdl_flush_lock;
  38 };
  39
  40 /*
  41  * **widget_p - Used as an array[wid_num][device] of sn_flush_device_list.
  42  */
  43 struct sn_flush_nasid_entry  {
  44         struct sn_flush_device_list **widget_p; /* Used as a array of wid_num */
  45         uint64_t iio_itte[8];
  46 };
  47
  48 struct hubdev_info {
  49         geoid_t                         hdi_geoid;
  50         short                           hdi_nasid;
  51         short                           hdi_peer_nasid;   /* Dual Porting Peer */
  52
  53         struct sn_flush_nasid_entry     hdi_flush_nasid_list;
  54         struct xwidget_info             hdi_xwidget_info[HUB_WIDGET_ID_MAX + 1];
  55
  56
  57         void                            *hdi_nodepda;
  58         void                            *hdi_node_vertex;
  59         void                            *hdi_xtalk_vertex;
  60 };
  61
  62 extern void hubdev_init_node(nodepda_t *, cnodeid_t);
  63 extern void hub_error_init(struct hubdev_info *);
  64 extern void ice_error_init(struct hubdev_info *);
  65
  66
  67 #endif /* _ASM_IA64_SN_XTALK_HUBDEV_H */