Lines Matching refs:ctx
27 struct spu_context *ctx; in alloc_spu_context() local
29 ctx = kzalloc(sizeof *ctx, GFP_KERNEL); in alloc_spu_context()
30 if (!ctx) in alloc_spu_context()
35 if (spu_init_csa(&ctx->csa)) in alloc_spu_context()
37 spin_lock_init(&ctx->mmio_lock); in alloc_spu_context()
38 mutex_init(&ctx->mapping_lock); in alloc_spu_context()
39 kref_init(&ctx->kref); in alloc_spu_context()
40 mutex_init(&ctx->state_mutex); in alloc_spu_context()
41 mutex_init(&ctx->run_mutex); in alloc_spu_context()
42 init_waitqueue_head(&ctx->ibox_wq); in alloc_spu_context()
43 init_waitqueue_head(&ctx->wbox_wq); in alloc_spu_context()
44 init_waitqueue_head(&ctx->stop_wq); in alloc_spu_context()
45 init_waitqueue_head(&ctx->mfc_wq); in alloc_spu_context()
46 init_waitqueue_head(&ctx->run_wq); in alloc_spu_context()
47 ctx->state = SPU_STATE_SAVED; in alloc_spu_context()
48 ctx->ops = &spu_backing_ops; in alloc_spu_context()
49 ctx->owner = get_task_mm(current); in alloc_spu_context()
50 INIT_LIST_HEAD(&ctx->rq); in alloc_spu_context()
51 INIT_LIST_HEAD(&ctx->aff_list); in alloc_spu_context()
53 spu_gang_add_ctx(gang, ctx); in alloc_spu_context()
55 __spu_update_sched_info(ctx); in alloc_spu_context()
56 spu_set_timeslice(ctx); in alloc_spu_context()
57 ctx->stats.util_state = SPU_UTIL_IDLE_LOADED; in alloc_spu_context()
58 ctx->stats.tstamp = ktime_get_ns(); in alloc_spu_context()
63 kfree(ctx); in alloc_spu_context()
64 ctx = NULL; in alloc_spu_context()
66 return ctx; in alloc_spu_context()
71 struct spu_context *ctx; in destroy_spu_context() local
72 ctx = container_of(kref, struct spu_context, kref); in destroy_spu_context()
73 spu_context_nospu_trace(destroy_spu_context__enter, ctx); in destroy_spu_context()
74 mutex_lock(&ctx->state_mutex); in destroy_spu_context()
75 spu_deactivate(ctx); in destroy_spu_context()
76 mutex_unlock(&ctx->state_mutex); in destroy_spu_context()
77 spu_fini_csa(&ctx->csa); in destroy_spu_context()
78 if (ctx->gang) in destroy_spu_context()
79 spu_gang_remove_ctx(ctx->gang, ctx); in destroy_spu_context()
80 if (ctx->prof_priv_kref) in destroy_spu_context()
81 kref_put(ctx->prof_priv_kref, ctx->prof_priv_release); in destroy_spu_context()
82 BUG_ON(!list_empty(&ctx->rq)); in destroy_spu_context()
84 kfree(ctx->switch_log); in destroy_spu_context()
85 kfree(ctx); in destroy_spu_context()
88 struct spu_context * get_spu_context(struct spu_context *ctx) in get_spu_context() argument
90 kref_get(&ctx->kref); in get_spu_context()
91 return ctx; in get_spu_context()
94 int put_spu_context(struct spu_context *ctx) in put_spu_context() argument
96 return kref_put(&ctx->kref, &destroy_spu_context); in put_spu_context()
100 void spu_forget(struct spu_context *ctx) in spu_forget() argument
109 mutex_lock(&ctx->state_mutex); in spu_forget()
110 if (ctx->state != SPU_STATE_SAVED) in spu_forget()
111 spu_deactivate(ctx); in spu_forget()
113 mm = ctx->owner; in spu_forget()
114 ctx->owner = NULL; in spu_forget()
116 spu_release(ctx); in spu_forget()
119 void spu_unmap_mappings(struct spu_context *ctx) in spu_unmap_mappings() argument
121 mutex_lock(&ctx->mapping_lock); in spu_unmap_mappings()
122 if (ctx->local_store) in spu_unmap_mappings()
123 unmap_mapping_range(ctx->local_store, 0, LS_SIZE, 1); in spu_unmap_mappings()
124 if (ctx->mfc) in spu_unmap_mappings()
125 unmap_mapping_range(ctx->mfc, 0, SPUFS_MFC_MAP_SIZE, 1); in spu_unmap_mappings()
126 if (ctx->cntl) in spu_unmap_mappings()
127 unmap_mapping_range(ctx->cntl, 0, SPUFS_CNTL_MAP_SIZE, 1); in spu_unmap_mappings()
128 if (ctx->signal1) in spu_unmap_mappings()
129 unmap_mapping_range(ctx->signal1, 0, SPUFS_SIGNAL_MAP_SIZE, 1); in spu_unmap_mappings()
130 if (ctx->signal2) in spu_unmap_mappings()
131 unmap_mapping_range(ctx->signal2, 0, SPUFS_SIGNAL_MAP_SIZE, 1); in spu_unmap_mappings()
132 if (ctx->mss) in spu_unmap_mappings()
133 unmap_mapping_range(ctx->mss, 0, SPUFS_MSS_MAP_SIZE, 1); in spu_unmap_mappings()
134 if (ctx->psmap) in spu_unmap_mappings()
135 unmap_mapping_range(ctx->psmap, 0, SPUFS_PS_MAP_SIZE, 1); in spu_unmap_mappings()
136 mutex_unlock(&ctx->mapping_lock); in spu_unmap_mappings()
143 int spu_acquire_saved(struct spu_context *ctx) in spu_acquire_saved() argument
147 spu_context_nospu_trace(spu_acquire_saved__enter, ctx); in spu_acquire_saved()
149 ret = spu_acquire(ctx); in spu_acquire_saved()
153 if (ctx->state != SPU_STATE_SAVED) { in spu_acquire_saved()
154 set_bit(SPU_SCHED_WAS_ACTIVE, &ctx->sched_flags); in spu_acquire_saved()
155 spu_deactivate(ctx); in spu_acquire_saved()
165 void spu_release_saved(struct spu_context *ctx) in spu_release_saved() argument
167 BUG_ON(ctx->state != SPU_STATE_SAVED); in spu_release_saved()
169 if (test_and_clear_bit(SPU_SCHED_WAS_ACTIVE, &ctx->sched_flags) && in spu_release_saved()
170 test_bit(SPU_SCHED_SPU_RUN, &ctx->sched_flags)) in spu_release_saved()
171 spu_activate(ctx, 0); in spu_release_saved()
173 spu_release(ctx); in spu_release_saved()