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[IA64-SGI] Shub2 BTE address fix

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After converting the cpu physical address to shub2 physical
addressing, the address was run through TO_PHYS() which
clobbered a high node offset bit causing the BTE to fail
on shub2 nodes with large memory.  This fix corrects
that problem.

Signed-off-by: Russ Anderson ([email protected])
Signed-off-by: Tony Luck <[email protected]>
This commit is contained in:
Russ Anderson 2006-02-03 14:47:15 -06:00 • committed by Tony Luck
commit 913e4a7557
2 changed files with 25 additions and 15 deletions
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23
include/asm-ia64/sn/bte.h
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@ -3,7 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2000-2006 Silicon Graphics, Inc. All Rights Reserved.
*/
@ -100,13 +100,28 @@
#define BTE_LNSTAT_STORE(_bte, _x) \
HUB_S(_bte->bte_base_addr, (_x))
#define BTE_SRC_STORE(_bte, _x) \
HUB_S(_bte->bte_source_addr, (_x))
({ \
u64 __addr = ((_x) & ~AS_MASK); \
if (is_shub2()) \
__addr = SH2_TIO_PHYS_TO_DMA(__addr); \
HUB_S(_bte->bte_source_addr, __addr); \
})
#define BTE_DEST_STORE(_bte, _x) \
HUB_S(_bte->bte_destination_addr, (_x))
({ \
u64 __addr = ((_x) & ~AS_MASK); \
if (is_shub2()) \
__addr = SH2_TIO_PHYS_TO_DMA(__addr); \
HUB_S(_bte->bte_destination_addr, __addr); \
})
#define BTE_CTRL_STORE(_bte, _x) \
HUB_S(_bte->bte_control_addr, (_x))
#define BTE_NOTIF_STORE(_bte, _x) \
HUB_S(_bte->bte_notify_addr, (_x))
({ \
u64 __addr = ia64_tpa((_x) & ~AS_MASK); \
if (is_shub2()) \
__addr = SH2_TIO_PHYS_TO_DMA(__addr); \
HUB_S(_bte->bte_notify_addr, __addr); \
})
#define BTE_START_TRANSFER(_bte, _len, _mode) \
is_shub2() ? BTE_CTRL_STORE(_bte, IBLS_BUSY | (_mode << 24) | _len) \