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, 2000-2005 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 struct sn_flush_device_list {
  30         int sfdl_bus;
  31         int sfdl_slot;
  32         int sfdl_pin;
  33         struct bar_list {
  34                 unsigned long start;
  35                 unsigned long end;
  36         } sfdl_bar_list[6];
  37         unsigned long sfdl_force_int_addr;
  38         unsigned long sfdl_flush_value;
  39         volatile unsigned long *sfdl_flush_addr;
  40         uint32_t sfdl_persistent_busnum;
  41         uint32_t sfdl_persistent_segment;
  42         struct pcibus_info *sfdl_pcibus_info;
  43         spinlock_t sfdl_flush_lock;
  44 };
  45
  46 /*
  47  * **widget_p - Used as an array[wid_num][device] of sn_flush_device_list.
  48  */
  49 struct sn_flush_nasid_entry  {
  50         struct sn_flush_device_list **widget_p; /* Used as a array of wid_num */
  51         uint64_t iio_itte[8];
  52 };
  53
  54 struct hubdev_info {
  55         geoid_t                         hdi_geoid;
  56         short                           hdi_nasid;
  57         short                           hdi_peer_nasid;   /* Dual Porting Peer */
  58
  59         struct sn_flush_nasid_entry     hdi_flush_nasid_list;
  60         struct xwidget_info             hdi_xwidget_info[HUB_WIDGET_ID_MAX + 1];
  61
  62
  63         void                            *hdi_nodepda;
  64         void                            *hdi_node_vertex;
  65         uint32_t                        max_segment_number;
  66         uint32_t                        max_pcibus_number;
  67 };
  68
  69 extern void hubdev_init_node(nodepda_t *, cnodeid_t);
  70 extern void hub_error_init(struct hubdev_info *);
  71 extern void ice_error_init(struct hubdev_info *);
  72
  73
  74 #endif /* _ASM_IA64_SN_XTALK_HUBDEV_H */