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Subject[Patch 24/29] GRU - Update GRU structures to match latest hardware spec
From: Jack Steiner <steiner@sgi.com>

Add a few new definitions for chipset MMR field names.
This matches rev 0.7 of the hardware spec.

Signed-off-by: Jack Steiner <steiner@sgi.com>


---
drivers/misc/sgi-gru/gru_instructions.h | 5 ++++-
drivers/misc/sgi-gru/gruhandles.h | 11 +++++++++++
2 files changed, 15 insertions(+), 1 deletion(-)
Index: linux/drivers/misc/sgi-gru/gru_instructions.h
===================================================================
--- linux.orig/drivers/misc/sgi-gru/gru_instructions.h 2009-11-20 09:32:34.000000000 -0600
+++ linux/drivers/misc/sgi-gru/gru_instructions.h 2009-11-20 09:32:37.000000000 -0600
@@ -265,6 +265,7 @@ struct gru_instruction {
#define CBE_CAUSE_PROTOCOL_STATE_DATA_ERROR (1 << 16)
#define CBE_CAUSE_RA_RESPONSE_DATA_ERROR (1 << 17)
#define CBE_CAUSE_HA_RESPONSE_DATA_ERROR (1 << 18)
+#define CBE_CAUSE_FORCED_ERROR (1 << 19)

/* CBE cbrexecstatus bits */
#define CBR_EXS_ABORT_OCC_BIT 0
@@ -273,13 +274,15 @@ struct gru_instruction {
#define CBR_EXS_QUEUED_BIT 3
#define CBR_EXS_TLB_INVAL_BIT 4
#define CBR_EXS_EXCEPTION_BIT 5
+#define CBR_EXS_CB_INT_PENDING_BIT 6

#define CBR_EXS_ABORT_OCC (1 << CBR_EXS_ABORT_OCC_BIT)
#define CBR_EXS_INT_OCC (1 << CBR_EXS_INT_OCC_BIT)
#define CBR_EXS_PENDING (1 << CBR_EXS_PENDING_BIT)
#define CBR_EXS_QUEUED (1 << CBR_EXS_QUEUED_BIT)
-#define CBR_TLB_INVAL (1 << CBR_EXS_TLB_INVAL_BIT)
+#define CBR_EXS_TLB_INVAL (1 << CBR_EXS_TLB_INVAL_BIT)
#define CBR_EXS_EXCEPTION (1 << CBR_EXS_EXCEPTION_BIT)
+#define CBR_EXS_CB_INT_PENDING (1 << CBR_EXS_CB_INT_PENDING_BIT)

/*
* Exceptions are retried for the following cases. If any OTHER bits are set
Index: linux/drivers/misc/sgi-gru/gruhandles.h
===================================================================
--- linux.orig/drivers/misc/sgi-gru/gruhandles.h 2009-11-20 09:32:35.000000000 -0600
+++ linux/drivers/misc/sgi-gru/gruhandles.h 2009-11-20 09:32:37.000000000 -0600
@@ -252,6 +252,17 @@ enum gru_tgh_state {
TGHSTATE_RESTART_CTX,
};

+enum gru_tgh_cause {
+ TGHCAUSE_RR_ECC,
+ TGHCAUSE_TLB_ECC,
+ TGHCAUSE_LRU_ECC,
+ TGHCAUSE_PS_ECC,
+ TGHCAUSE_MUL_ERR,
+ TGHCAUSE_DATA_ERR,
+ TGHCAUSE_SW_FORCE
+};
+
+
/*
* TFH - TLB Global Handle
* Used for TLB dropins into the GRU TLB.


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