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-rw-r--r--include/asm-ia64/sn/bte.h53
1 files changed, 47 insertions, 6 deletions
diff --git a/include/asm-ia64/sn/bte.h b/include/asm-ia64/sn/bte.h
index 0ec27f99c181..f50da3d91d07 100644
--- a/include/asm-ia64/sn/bte.h
+++ b/include/asm-ia64/sn/bte.h
@@ -3,7 +3,7 @@
3 * License. See the file "COPYING" in the main directory of this archive 3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details. 4 * for more details.
5 * 5 *
6 * Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved. 6 * Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
7 */ 7 */
8 8
9 9
@@ -13,8 +13,12 @@
13#include <linux/timer.h> 13#include <linux/timer.h>
14#include <linux/spinlock.h> 14#include <linux/spinlock.h>
15#include <linux/cache.h> 15#include <linux/cache.h>
16#include <asm/sn/pda.h>
16#include <asm/sn/types.h> 17#include <asm/sn/types.h>
18#include <asm/sn/shub_mmr.h>
17 19
20#define IBCT_NOTIFY (0x1UL << 4)
21#define IBCT_ZFIL_MODE (0x1UL << 0)
18 22
19/* #define BTE_DEBUG */ 23/* #define BTE_DEBUG */
20/* #define BTE_DEBUG_VERBOSE */ 24/* #define BTE_DEBUG_VERBOSE */
@@ -39,8 +43,36 @@
39 43
40 44
41/* Define hardware */ 45/* Define hardware */
42#define BTES_PER_NODE 2 46#define BTES_PER_NODE (is_shub2() ? 4 : 2)
47#define MAX_BTES_PER_NODE 4
43 48
49#define BTE2OFF_CTRL (0)
50#define BTE2OFF_SRC (SH2_BT_ENG_SRC_ADDR_0 - SH2_BT_ENG_CSR_0)
51#define BTE2OFF_DEST (SH2_BT_ENG_DEST_ADDR_0 - SH2_BT_ENG_CSR_0)
52#define BTE2OFF_NOTIFY (SH2_BT_ENG_NOTIF_ADDR_0 - SH2_BT_ENG_CSR_0)
53
54#define BTE_BASE_ADDR(interface) \
55 (is_shub2() ? (interface == 0) ? SH2_BT_ENG_CSR_0 : \
56 (interface == 1) ? SH2_BT_ENG_CSR_1 : \
57 (interface == 2) ? SH2_BT_ENG_CSR_2 : \
58 SH2_BT_ENG_CSR_3 \
59 : (interface == 0) ? IIO_IBLS0 : IIO_IBLS1)
60
61#define BTE_SOURCE_ADDR(base) \
62 (is_shub2() ? base + (BTE2OFF_SRC/8) \
63 : base + (BTEOFF_SRC/8))
64
65#define BTE_DEST_ADDR(base) \
66 (is_shub2() ? base + (BTE2OFF_DEST/8) \
67 : base + (BTEOFF_DEST/8))
68
69#define BTE_CTRL_ADDR(base) \
70 (is_shub2() ? base + (BTE2OFF_CTRL/8) \
71 : base + (BTEOFF_CTRL/8))
72
73#define BTE_NOTIF_ADDR(base) \
74 (is_shub2() ? base + (BTE2OFF_NOTIFY/8) \
75 : base + (BTEOFF_NOTIFY/8))
44 76
45/* Define hardware modes */ 77/* Define hardware modes */
46#define BTE_NOTIFY (IBCT_NOTIFY) 78#define BTE_NOTIFY (IBCT_NOTIFY)
@@ -68,14 +100,18 @@
68#define BTE_LNSTAT_STORE(_bte, _x) \ 100#define BTE_LNSTAT_STORE(_bte, _x) \
69 HUB_S(_bte->bte_base_addr, (_x)) 101 HUB_S(_bte->bte_base_addr, (_x))
70#define BTE_SRC_STORE(_bte, _x) \ 102#define BTE_SRC_STORE(_bte, _x) \
71 HUB_S(_bte->bte_base_addr + (BTEOFF_SRC/8), (_x)) 103 HUB_S(_bte->bte_source_addr, (_x))
72#define BTE_DEST_STORE(_bte, _x) \ 104#define BTE_DEST_STORE(_bte, _x) \
73 HUB_S(_bte->bte_base_addr + (BTEOFF_DEST/8), (_x)) 105 HUB_S(_bte->bte_destination_addr, (_x))
74#define BTE_CTRL_STORE(_bte, _x) \ 106#define BTE_CTRL_STORE(_bte, _x) \
75 HUB_S(_bte->bte_base_addr + (BTEOFF_CTRL/8), (_x)) 107 HUB_S(_bte->bte_control_addr, (_x))
76#define BTE_NOTIF_STORE(_bte, _x) \ 108#define BTE_NOTIF_STORE(_bte, _x) \
77 HUB_S(_bte->bte_base_addr + (BTEOFF_NOTIFY/8), (_x)) 109 HUB_S(_bte->bte_notify_addr, (_x))
78 110
111#define BTE_START_TRANSFER(_bte, _len, _mode) \
112 is_shub2() ? BTE_CTRL_STORE(_bte, IBLS_BUSY | (_mode << 24) | _len) \
113 : BTE_LNSTAT_STORE(_bte, _len); \
114 BTE_CTRL_STORE(_bte, _mode)
79 115
80/* Possible results from bte_copy and bte_unaligned_copy */ 116/* Possible results from bte_copy and bte_unaligned_copy */
81/* The following error codes map into the BTE hardware codes 117/* The following error codes map into the BTE hardware codes
@@ -110,6 +146,10 @@ typedef enum {
110struct bteinfo_s { 146struct bteinfo_s {
111 volatile u64 notify ____cacheline_aligned; 147 volatile u64 notify ____cacheline_aligned;
112 u64 *bte_base_addr ____cacheline_aligned; 148 u64 *bte_base_addr ____cacheline_aligned;
149 u64 *bte_source_addr;
150 u64 *bte_destination_addr;
151 u64 *bte_control_addr;
152 u64 *bte_notify_addr;
113 spinlock_t spinlock; 153 spinlock_t spinlock;
114 cnodeid_t bte_cnode; /* cnode */ 154 cnodeid_t bte_cnode; /* cnode */
115 int bte_error_count; /* Number of errors encountered */ 155 int bte_error_count; /* Number of errors encountered */
@@ -117,6 +157,7 @@ struct bteinfo_s {
117 int cleanup_active; /* Interface is locked for cleanup */ 157 int cleanup_active; /* Interface is locked for cleanup */
118 volatile bte_result_t bh_error; /* error while processing */ 158 volatile bte_result_t bh_error; /* error while processing */
119 volatile u64 *most_rcnt_na; 159 volatile u64 *most_rcnt_na;
160 struct bteinfo_s *btes_to_try[MAX_BTES_PER_NODE];
120}; 161};
121 162
122 163