diff options
Diffstat (limited to 'drivers/misc/sgi-gru/grutables.h')
| -rw-r--r-- | drivers/misc/sgi-gru/grutables.h | 60 |
1 files changed, 52 insertions, 8 deletions
diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h index bf1eeb7553ed..34ab3d453919 100644 --- a/drivers/misc/sgi-gru/grutables.h +++ b/drivers/misc/sgi-gru/grutables.h @@ -148,11 +148,13 @@ #include <linux/wait.h> #include <linux/mmu_notifier.h> #include "gru.h" +#include "grulib.h" #include "gruhandles.h" extern struct gru_stats_s gru_stats; extern struct gru_blade_state *gru_base[]; extern unsigned long gru_start_paddr, gru_end_paddr; +extern void *gru_start_vaddr; extern unsigned int gru_max_gids; #define GRU_MAX_BLADES MAX_NUMNODES @@ -174,9 +176,12 @@ struct gru_stats_s { atomic_long_t assign_context; atomic_long_t assign_context_failed; atomic_long_t free_context; - atomic_long_t load_context; - atomic_long_t unload_context; - atomic_long_t steal_context; + atomic_long_t load_user_context; + atomic_long_t load_kernel_context; + atomic_long_t lock_kernel_context; + atomic_long_t unlock_kernel_context; + atomic_long_t steal_user_context; + atomic_long_t steal_kernel_context; atomic_long_t steal_context_failed; atomic_long_t nopfn; atomic_long_t break_cow; @@ -193,7 +198,7 @@ struct gru_stats_s { atomic_long_t user_flush_tlb; atomic_long_t user_unload_context; atomic_long_t user_exception; - atomic_long_t set_task_slice; + atomic_long_t set_context_option; atomic_long_t migrate_check; atomic_long_t migrated_retarget; atomic_long_t migrated_unload; @@ -207,6 +212,9 @@ struct gru_stats_s { atomic_long_t tlb_dropin_fail_range_active; atomic_long_t tlb_dropin_fail_idle; atomic_long_t tlb_dropin_fail_fmm; + atomic_long_t tlb_dropin_fail_no_exception; + atomic_long_t tlb_dropin_fail_no_exception_war; + atomic_long_t tfh_stale_on_fault; atomic_long_t mmu_invalidate_range; atomic_long_t mmu_invalidate_page; atomic_long_t mmu_clear_flush_young; @@ -253,7 +261,6 @@ extern struct mcs_op_statistic mcs_op_statistics[mcsop_last]; #define OPT_DPRINT 1 #define OPT_STATS 2 -#define GRU_QUICKLOOK 4 #define IRQ_GRU 110 /* Starting IRQ number for interrupts */ @@ -373,6 +380,7 @@ struct gru_thread_state { required for contest */ unsigned char ts_cbr_au_count;/* Number of CBR resources required for contest */ + char ts_cch_req_slice;/* CCH packet slice */ char ts_blade; /* If >= 0, migrate context if ref from diferent blade */ char ts_force_cch_reload; @@ -380,6 +388,9 @@ struct gru_thread_state { after migration */ char ts_cbr_idx[GRU_CBR_AU];/* CBR numbers of each allocated CB */ + int ts_data_valid; /* Indicates if ts_gdata has + valid data */ + struct gts_statistics ustats; /* User statistics */ unsigned long ts_gdata[0]; /* save area for GRU data (CB, DS, CBE) */ }; @@ -452,6 +463,14 @@ struct gru_blade_state { reserved cb */ void *kernel_dsr; /* First kernel reserved DSR */ + struct rw_semaphore bs_kgts_sema; /* lock for kgts */ + struct gru_thread_state *bs_kgts; /* GTS for kernel use */ + + /* ---- the following are used for managing kernel async GRU CBRs --- */ + int bs_async_dsr_bytes; /* DSRs for async */ + int bs_async_cbrs; /* CBRs AU for async */ + struct completion *bs_async_wq; + /* ---- the following are protected by the bs_lock spinlock ---- */ spinlock_t bs_lock; /* lock used for stealing contexts */ @@ -552,6 +571,12 @@ struct gru_blade_state { /* Lock hierarchy checking enabled only in emulator */ +/* 0 = lock failed, 1 = locked */ +static inline int __trylock_handle(void *h) +{ + return !test_and_set_bit(1, h); +} + static inline void __lock_handle(void *h) { while (test_and_set_bit(1, h)) @@ -563,6 +588,11 @@ static inline void __unlock_handle(void *h) clear_bit(1, h); } +static inline int trylock_cch_handle(struct gru_context_configuration_handle *cch) +{ + return __trylock_handle(cch); +} + static inline void lock_cch_handle(struct gru_context_configuration_handle *cch) { __lock_handle(cch); @@ -584,6 +614,11 @@ static inline void unlock_tgh_handle(struct gru_tlb_global_handle *tgh) __unlock_handle(tgh); } +static inline int is_kernel_context(struct gru_thread_state *gts) +{ + return !gts->ts_mm; +} + /*----------------------------------------------------------------------------- * Function prototypes & externs */ @@ -598,24 +633,32 @@ extern struct gru_thread_state *gru_find_thread_state(struct vm_area_struct *vma, int tsid); extern struct gru_thread_state *gru_alloc_thread_state(struct vm_area_struct *vma, int tsid); +extern struct gru_state *gru_assign_gru_context(struct gru_thread_state *gts, + int blade); +extern void gru_load_context(struct gru_thread_state *gts); +extern void gru_steal_context(struct gru_thread_state *gts, int blade_id); extern void gru_unload_context(struct gru_thread_state *gts, int savestate); extern int gru_update_cch(struct gru_thread_state *gts, int force_unload); extern void gts_drop(struct gru_thread_state *gts); extern void gru_tgh_flush_init(struct gru_state *gru); -extern int gru_kservices_init(struct gru_state *gru); -extern void gru_kservices_exit(struct gru_state *gru); +extern int gru_kservices_init(void); +extern void gru_kservices_exit(void); +extern int gru_dump_chiplet_request(unsigned long arg); +extern long gru_get_gseg_statistics(unsigned long arg); extern irqreturn_t gru_intr(int irq, void *dev_id); extern int gru_handle_user_call_os(unsigned long address); extern int gru_user_flush_tlb(unsigned long arg); extern int gru_user_unload_context(unsigned long arg); extern int gru_get_exception_detail(unsigned long arg); -extern int gru_set_task_slice(long address); +extern int gru_set_context_option(unsigned long address); extern int gru_cpu_fault_map_id(void); extern struct vm_area_struct *gru_find_vma(unsigned long vaddr); extern void gru_flush_all_tlb(struct gru_state *gru); extern int gru_proc_init(void); extern void gru_proc_exit(void); +extern struct gru_thread_state *gru_alloc_gts(struct vm_area_struct *vma, + int cbr_au_count, int dsr_au_count, int options, int tsid); extern unsigned long gru_reserve_cb_resources(struct gru_state *gru, int cbr_au_count, char *cbmap); extern unsigned long gru_reserve_ds_resources(struct gru_state *gru, @@ -624,6 +667,7 @@ extern int gru_fault(struct vm_area_struct *, struct vm_fault *vmf); extern struct gru_mm_struct *gru_register_mmu_notifier(void); extern void gru_drop_mmu_notifier(struct gru_mm_struct *gms); +extern int gru_ktest(unsigned long arg); extern void gru_flush_tlb_range(struct gru_mm_struct *gms, unsigned long start, unsigned long len); |