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| author | Cliff Wickman <cpw@sgi.com> | 2009-04-03 08:34:32 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-03 18:25:27 +0200 |
| commit | c4c4688f72e638708e5f6b5c259699de82a36fec (patch) | |
| tree | e3ab3695f5efdb4603449ef0024d93190e7ea0c3 /arch/x86/include/asm/uv | |
| parent | 9674f35b1ec17577163897f052f405c1e9e5893d (diff) | |
| download | linux-c4c4688f72e638708e5f6b5c259699de82a36fec.tar.gz linux-c4c4688f72e638708e5f6b5c259699de82a36fec.tar.bz2 linux-c4c4688f72e638708e5f6b5c259699de82a36fec.zip | |
x86: UV BAU messaging timeouts
This patch replaces a 'nop' uv_enable_timeouts() in the
UV TLB shootdown code. (somehow, long ago that function got
eviscerated)
If any cpu in the destination node does not get interrupted by the
message and post completion in a reasonable time the hardware
should respond to the sender with an error. This function
enables such timeouts.
Tested on the UV hardware simulator.
Signed-off-by: Cliff Wickman <cpw@sgi.com>
LKML-Reference: <E1LpjXU-00007e-Qh@eag09.americas.sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/uv')
| -rw-r--r-- | arch/x86/include/asm/uv/uv_mmrs.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/uv/uv_mmrs.h b/arch/x86/include/asm/uv/uv_mmrs.h index db68ac8a5ac2..2cae46c7c8a2 100644 --- a/arch/x86/include/asm/uv/uv_mmrs.h +++ b/arch/x86/include/asm/uv/uv_mmrs.h @@ -17,6 +17,11 @@ /* ========================================================================= */ /* UVH_BAU_DATA_CONFIG */ /* ========================================================================= */ +#define UVH_LB_BAU_MISC_CONTROL 0x320170UL +#define UV_ENABLE_INTD_SOFT_ACK_MODE_SHIFT 15 +#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD_SHIFT 16 +#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD 0x000000000bUL +/* 1011 timebase 7 (168millisec) * 3 ticks -> 500ms */ #define UVH_BAU_DATA_CONFIG 0x61680UL #define UVH_BAU_DATA_CONFIG_32 0x0438 |