diff options
| author | Jack Steiner <steiner@sgi.com> | 2009-12-15 16:48:13 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-16 07:20:16 -0800 |
| commit | c550222f64265c9384c45d7f691445386025a82b (patch) | |
| tree | 562d45bf656c8bafc9c0dd5b3897dba5da6ae9a3 /drivers/misc/sgi-gru/gruhandles.h | |
| parent | 57ebb0342c12f00e7a6d15ba59bb6c3ee501c3af (diff) | |
gru: preload tlb for bcopy instructions
Add anticipatory TLB dropins for GRU TLB misses that occur on BCOPY
instructions that copy large amounts of data.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/misc/sgi-gru/gruhandles.h')
| -rw-r--r-- | drivers/misc/sgi-gru/gruhandles.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/misc/sgi-gru/gruhandles.h b/drivers/misc/sgi-gru/gruhandles.h index 47b762f89e0..ea584ebf65b 100644 --- a/drivers/misc/sgi-gru/gruhandles.h +++ b/drivers/misc/sgi-gru/gruhandles.h @@ -164,6 +164,16 @@ static inline void *gru_chiplet_vaddr(void *vaddr, int pnode, int chiplet) return vaddr + GRU_SIZE * (2 * pnode + chiplet); } +static inline struct gru_control_block_extended *gru_tfh_to_cbe( + struct gru_tlb_fault_handle *tfh) +{ + unsigned long cbe; + + cbe = (unsigned long)tfh - GRU_TFH_BASE + GRU_CBE_BASE; + return (struct gru_control_block_extended*)cbe; +} + + /* @@ -446,6 +456,12 @@ struct gru_control_block_extended { unsigned int cbrexecstatus:8; }; +/* CBE fields for active BCOPY instructions */ +#define cbe_baddr0 idef1upd +#define cbe_baddr1 idef3upd +#define cbe_src_cl idef6cpy +#define cbe_nelemcur idef5upd + enum gru_cbr_state { CBRSTATE_INACTIVE, CBRSTATE_IDLE, @@ -493,8 +509,8 @@ int cch_interrupt_sync(struct gru_context_configuration_handle *cch); int tgh_invalidate(struct gru_tlb_global_handle *tgh, unsigned long vaddr, unsigned long vaddrmask, int asid, int pagesize, int global, int n, unsigned short ctxbitmap); -void tfh_write_only(struct gru_tlb_fault_handle *tfh, unsigned long pfn, - unsigned long vaddr, int asid, int dirty, int pagesize); +int tfh_write_only(struct gru_tlb_fault_handle *tfh, unsigned long paddr, + int gaa, unsigned long vaddr, int asid, int dirty, int pagesize); void tfh_write_restart(struct gru_tlb_fault_handle *tfh, unsigned long paddr, int gaa, unsigned long vaddr, int asid, int dirty, int pagesize); void tfh_restart(struct gru_tlb_fault_handle *tfh); |