vserver 2.0 rc7

[linux-2.6.git] / include / asm-ia64 / sn / bte.h

diff --git a/include/asm-ia64/sn/bte.h b/include/asm-ia64/sn/bte.h
index 0ec27f9..f50da3d 100644 (file)
--- a/include/asm-ia64/sn/bte.h
+++ b/include/asm-ia64/sn/bte.h
@@ -3,7 +3,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2005 Silicon Graphics, Inc.  All Rights Reserved.
  */
 
 
@@ -13,8 +13,12 @@
 #include <linux/timer.h>
 #include <linux/spinlock.h>
 #include <linux/cache.h>
+#include <asm/sn/pda.h>
 #include <asm/sn/types.h>
+#include <asm/sn/shub_mmr.h>
 
+#define IBCT_NOTIFY             (0x1UL << 4)
+#define IBCT_ZFIL_MODE          (0x1UL << 0)
 
 /* #define BTE_DEBUG */
 /* #define BTE_DEBUG_VERBOSE */
@@ -39,8 +43,36 @@
 
 
 /* Define hardware */
-#define BTES_PER_NODE 2
+#define BTES_PER_NODE (is_shub2() ? 4 : 2)
+#define MAX_BTES_PER_NODE 4
 
+#define BTE2OFF_CTRL   (0)
+#define BTE2OFF_SRC    (SH2_BT_ENG_SRC_ADDR_0 - SH2_BT_ENG_CSR_0)
+#define BTE2OFF_DEST   (SH2_BT_ENG_DEST_ADDR_0 - SH2_BT_ENG_CSR_0)
+#define BTE2OFF_NOTIFY (SH2_BT_ENG_NOTIF_ADDR_0 - SH2_BT_ENG_CSR_0)
+
+#define BTE_BASE_ADDR(interface)                               \
+    (is_shub2() ? (interface == 0) ? SH2_BT_ENG_CSR_0 :                \
+                 (interface == 1) ? SH2_BT_ENG_CSR_1 :         \
+                 (interface == 2) ? SH2_BT_ENG_CSR_2 :         \
+                                    SH2_BT_ENG_CSR_3           \
+               : (interface == 0) ? IIO_IBLS0 : IIO_IBLS1)
+
+#define BTE_SOURCE_ADDR(base)                                  \
+    (is_shub2() ? base + (BTE2OFF_SRC/8)                       \
+               : base + (BTEOFF_SRC/8))
+
+#define BTE_DEST_ADDR(base)                                    \
+    (is_shub2() ? base + (BTE2OFF_DEST/8)                      \
+               : base + (BTEOFF_DEST/8))
+
+#define BTE_CTRL_ADDR(base)                                    \
+    (is_shub2() ? base + (BTE2OFF_CTRL/8)                      \
+               : base + (BTEOFF_CTRL/8))
+
+#define BTE_NOTIF_ADDR(base)                                   \
+    (is_shub2() ? base + (BTE2OFF_NOTIFY/8)                    \
+               : base + (BTEOFF_NOTIFY/8))
 
 /* Define hardware modes */
 #define BTE_NOTIFY (IBCT_NOTIFY)
@@ -68,14 +100,18 @@
 #define BTE_LNSTAT_STORE(_bte, _x)                                     \
                        HUB_S(_bte->bte_base_addr, (_x))
 #define BTE_SRC_STORE(_bte, _x)                                                \
-                       HUB_S(_bte->bte_base_addr + (BTEOFF_SRC/8), (_x))
+                       HUB_S(_bte->bte_source_addr, (_x))
 #define BTE_DEST_STORE(_bte, _x)                                       \
-                       HUB_S(_bte->bte_base_addr + (BTEOFF_DEST/8), (_x))
+                       HUB_S(_bte->bte_destination_addr, (_x))
 #define BTE_CTRL_STORE(_bte, _x)                                       \
-                       HUB_S(_bte->bte_base_addr + (BTEOFF_CTRL/8), (_x))
+                       HUB_S(_bte->bte_control_addr, (_x))
 #define BTE_NOTIF_STORE(_bte, _x)                                      \
-                       HUB_S(_bte->bte_base_addr + (BTEOFF_NOTIFY/8), (_x))
+                       HUB_S(_bte->bte_notify_addr, (_x))
 
+#define BTE_START_TRANSFER(_bte, _len, _mode)                          \
+       is_shub2() ? BTE_CTRL_STORE(_bte, IBLS_BUSY | (_mode << 24) | _len) \
+               : BTE_LNSTAT_STORE(_bte, _len);                         \
+                 BTE_CTRL_STORE(_bte, _mode)
 
 /* Possible results from bte_copy and bte_unaligned_copy */
 /* The following error codes map into the BTE hardware codes
@@ -110,6 +146,10 @@ typedef enum {
 struct bteinfo_s {
        volatile u64 notify ____cacheline_aligned;
        u64 *bte_base_addr ____cacheline_aligned;
+       u64 *bte_source_addr;
+       u64 *bte_destination_addr;
+       u64 *bte_control_addr;
+       u64 *bte_notify_addr;
        spinlock_t spinlock;
        cnodeid_t bte_cnode;    /* cnode                            */
        int bte_error_count;    /* Number of errors encountered     */
@@ -117,6 +157,7 @@ struct bteinfo_s {
        int cleanup_active;     /* Interface is locked for cleanup  */
        volatile bte_result_t bh_error; /* error while processing   */
        volatile u64 *most_rcnt_na;
+       struct bteinfo_s *btes_to_try[MAX_BTES_PER_NODE];
 };