diff options
Diffstat (limited to 'drivers/misc/sgi-gru/gruhandles.h')
| -rw-r--r-- | drivers/misc/sgi-gru/gruhandles.h | 67 |
1 files changed, 41 insertions, 26 deletions
diff --git a/drivers/misc/sgi-gru/gruhandles.h b/drivers/misc/sgi-gru/gruhandles.h index 1ed74d7508c..3f998b924d8 100644 --- a/drivers/misc/sgi-gru/gruhandles.h +++ b/drivers/misc/sgi-gru/gruhandles.h @@ -39,7 +39,6 @@ #define GRU_NUM_CBE 128 #define GRU_NUM_TFH 128 #define GRU_NUM_CCH 16 -#define GRU_NUM_GSH 1 /* Maximum resource counts that can be reserved by user programs */ #define GRU_NUM_USER_CBR GRU_NUM_CBE @@ -56,7 +55,6 @@ #define GRU_CBE_BASE (GRU_MCS_BASE + 0x10000) #define GRU_TFH_BASE (GRU_MCS_BASE + 0x18000) #define GRU_CCH_BASE (GRU_MCS_BASE + 0x20000) -#define GRU_GSH_BASE (GRU_MCS_BASE + 0x30000) /* User gseg constants */ #define GRU_GSEG_STRIDE (4 * 1024 * 1024) @@ -93,6 +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) { @@ -160,6 +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; +} + + /* @@ -238,6 +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. @@ -251,15 +276,15 @@ struct gru_tlb_fault_handle { unsigned int fill1:9; unsigned int status:2; - unsigned int fill2:1; - unsigned int color:1; + unsigned int fill2:2; unsigned int state:3; unsigned int fill3:1; - unsigned int cause:7; /* DW 0 - high 32 */ + unsigned int cause:6; + unsigned int cb_int:1; unsigned int fill4:1; - unsigned int indexway:12; + unsigned int indexway:12; /* DW 0 - high 32 */ unsigned int fill5:4; unsigned int ctxnum:4; @@ -442,6 +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, @@ -457,21 +488,7 @@ enum gru_cbr_state { CBRSTATE_BUSY_INTERRUPT, }; -/* CBE cbrexecstatus bits */ -#define CBR_EXS_ABORT_OCC_BIT 0 -#define CBR_EXS_INT_OCC_BIT 1 -#define CBR_EXS_PENDING_BIT 2 -#define CBR_EXS_QUEUED_BIT 3 -#define CBR_EXS_TLBHW_BIT 4 -#define CBR_EXS_EXCEPTION_BIT 5 - -#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_EXS_TLBHW (1 << CBR_EXS_TLBHW_BIT) -#define CBR_EXS_EXCEPTION (1 << CBR_EXS_EXCEPTION_BIT) - +/* CBE cbrexecstatus bits - defined in gru_instructions.h*/ /* CBE ecause bits - defined in gru_instructions.h */ /* @@ -495,9 +512,7 @@ enum gru_cbr_state { /* minimum TLB purge count to ensure a full purge */ #define GRUMAXINVAL 1024UL -int cch_allocate(struct gru_context_configuration_handle *cch, - int asidval, int sizeavail, unsigned long cbrmap, unsigned long dsrmap); - +int cch_allocate(struct gru_context_configuration_handle *cch); int cch_start(struct gru_context_configuration_handle *cch); int cch_interrupt(struct gru_context_configuration_handle *cch); int cch_deallocate(struct gru_context_configuration_handle *cch); @@ -505,8 +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); |