1 files changed, 35 insertions, 2 deletions

diff --git a/drivers/misc/sgi-gru/gruhandles.h b/drivers/misc/sgi-gru/gruhandles.h
index f44112242d00..3f998b924d8f 100644
--- a/drivers/misc/sgi-gru/gruhandles.h
+++ b/drivers/misc/sgi-gru/gruhandles.h
@@ -91,6 +91,12 @@
 /* Convert an arbitrary handle address to the beginning of the GRU segment */
 #define GRUBASE(h)              ((void *)((unsigned long)(h) & ~(GRU_SIZE - 1)))
 
+/* Test a valid handle address to determine the type */
+#define TYPE_IS(hn, h)          ((h) >= GRU_##hn##_BASE && (h) <        \
+                GRU_##hn##_BASE + GRU_NUM_##hn * GRU_HANDLE_STRIDE &&   \
+                (((h) & (GRU_HANDLE_STRIDE - 1)) == 0))
+
+
 /* General addressing macros. */
 static inline void *get_gseg_base_address(void *base, int ctxnum)
 {
@@ -158,6 +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;
+}
+
+
 
 
 /*
@@ -236,6 +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.
@@ -440,6 +467,12 @@ 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,
@@ -487,8 +520,8 @@ 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);