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path: root/drivers/misc/sgi-gru/gruhandles.h
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Diffstat (limited to 'drivers/misc/sgi-gru/gruhandles.h')
-rw-r--r--drivers/misc/sgi-gru/gruhandles.h37
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);