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gru: update GRU structures to match latest hardware spec
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Add a few new definitions for chipset MMR field names.  This matches rev
0.7 of the hardware spec.

Signed-off-by: Jack Steiner <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Jack Steiner authored and torvalds committed Dec 16, 2009
1 parent 4131479 commit 5658366
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Showing 2 changed files with 15 additions and 1 deletion.
5 changes: 4 additions & 1 deletion drivers/misc/sgi-gru/gru_instructions.h
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand All @@ -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
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11 changes: 11 additions & 0 deletions drivers/misc/sgi-gru/gruhandles.h
Original file line number Diff line number Diff line change
Expand Up @@ -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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