Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / arch / ia64 / sn / include / xtalk / hubdev.h

diff --git a/arch/ia64/sn/include/xtalk/hubdev.h b/arch/ia64/sn/include/xtalk/hubdev.h
index 868e7ec..8182583 100644 (file)
--- a/arch/ia64/sn/include/xtalk/hubdev.h
+++ b/arch/ia64/sn/include/xtalk/hubdev.h
@@ -3,17 +3,22 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 1992 - 1997, 2000-2004 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved.
  */
 #ifndef _ASM_IA64_SN_XTALK_HUBDEV_H
 #define _ASM_IA64_SN_XTALK_HUBDEV_H
 
+#include "xtalk/xwidgetdev.h"
+
 #define HUB_WIDGET_ID_MAX 0xf
 #define DEV_PER_WIDGET (2*2*8)
 #define IIO_ITTE_WIDGET_BITS    4       /* size of widget field */
 #define IIO_ITTE_WIDGET_MASK    ((1<<IIO_ITTE_WIDGET_BITS)-1)
 #define IIO_ITTE_WIDGET_SHIFT   8
 
+#define IIO_ITTE_WIDGET(itte)  \
+       (((itte) >> IIO_ITTE_WIDGET_SHIFT) & IIO_ITTE_WIDGET_MASK)
+
 /*
  * Use the top big window as a surrogate for the first small window
  */
@@ -21,28 +26,46 @@
 #define IIO_NUM_ITTES   7
 #define HUB_NUM_BIG_WINDOW      (IIO_NUM_ITTES - 1)
 
-struct sn_flush_device_list {
+/* This struct is shared between the PROM and the kernel.
+ * Changes to this struct will require corresponding changes to the kernel.
+ */
+struct sn_flush_device_common {
        int sfdl_bus;
        int sfdl_slot;
        int sfdl_pin;
-       struct bar_list {
+       struct common_bar_list {
                unsigned long start;
                unsigned long end;
        } sfdl_bar_list[6];
        unsigned long sfdl_force_int_addr;
        unsigned long sfdl_flush_value;
        volatile unsigned long *sfdl_flush_addr;
-       uint64_t sfdl_persistent_busnum;
+       u32 sfdl_persistent_busnum;
+       u32 sfdl_persistent_segment;
        struct pcibus_info *sfdl_pcibus_info;
+};
+
+/* This struct is kernel only and is not used by the PROM */
+struct sn_flush_device_kernel {
        spinlock_t sfdl_flush_lock;
+       struct sn_flush_device_common *common;
+};
+
+/* 01/16/06 This struct is the old PROM/kernel struct and needs to be included
+ * for older official PROMs to function on the new kernel base.  This struct
+ * will be removed when the next official PROM release occurs. */
+
+struct sn_flush_device_war {
+       struct sn_flush_device_common common;
+       u32 filler; /* older PROMs expect the default size of a spinlock_t */
 };
 
 /*
- * **widget_p - Used as an array[wid_num][device] of sn_flush_device_list.
+ * **widget_p - Used as an array[wid_num][device] of sn_flush_device_kernel.
  */
 struct sn_flush_nasid_entry  {
-       struct sn_flush_device_list **widget_p; /* Used as a array of wid_num */
-       uint64_t iio_itte[8];
+       struct sn_flush_device_kernel **widget_p; // Used as an array of wid_num
+       u64 iio_itte[8];
 };
 
 struct hubdev_info {
@@ -56,7 +79,8 @@ struct hubdev_info {
 
        void                            *hdi_nodepda;
        void                            *hdi_node_vertex;
-       void                            *hdi_xtalk_vertex;
+       u32                             max_segment_number;
+       u32                             max_pcibus_number;
 };
 
 extern void hubdev_init_node(nodepda_t *, cnodeid_t);