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 #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 /*
  20  * Use the top big window as a surrogate for the first small window
  21  */
  22 #define SWIN0_BIGWIN            HUB_NUM_BIG_WINDOW
  23 #define IIO_NUM_ITTES   7
  24 #define HUB_NUM_BIG_WINDOW      (IIO_NUM_ITTES - 1)
  25
  26 struct sn_flush_device_list {
  27         int sfdl_bus;
  28         int sfdl_slot;
  29         int sfdl_pin;
  30         struct bar_list {
  31                 unsigned long start;
  32                 unsigned long end;
  33         } sfdl_bar_list[6];
  34         unsigned long sfdl_force_int_addr;
  35         unsigned long sfdl_flush_value;
  36         volatile unsigned long *sfdl_flush_addr;
  37         uint64_t sfdl_persistent_busnum;
  38         struct pcibus_info *sfdl_pcibus_info;
  39         spinlock_t sfdl_flush_lock;
  40 };
  41
  42 /*
  43  * **widget_p - Used as an array[wid_num][device] of sn_flush_device_list.
  44  */
  45 struct sn_flush_nasid_entry  {
  46         struct sn_flush_device_list **widget_p; /* Used as a array of wid_num */
  47         uint64_t iio_itte[8];
  48 };
  49
  50 struct hubdev_info {
  51         geoid_t                         hdi_geoid;
  52         short                           hdi_nasid;
  53         short                           hdi_peer_nasid;   /* Dual Porting Peer */
  54
  55         struct sn_flush_nasid_entry     hdi_flush_nasid_list;
  56         struct xwidget_info             hdi_xwidget_info[HUB_WIDGET_ID_MAX + 1];
  57
  58
  59         void                            *hdi_nodepda;
  60         void                            *hdi_node_vertex;
  61         void                            *hdi_xtalk_vertex;
  62 };
  63
  64 extern void hubdev_init_node(nodepda_t *, cnodeid_t);
  65 extern void hub_error_init(struct hubdev_info *);
  66 extern void ice_error_init(struct hubdev_info *);
  67
  68
  69 #endif /* _ASM_IA64_SN_XTALK_HUBDEV_H */