16 	struct spu_context *ctx = spu->ctx;  in spufs_stop_callback()  local
25 	if (ctx) {  in spufs_stop_callback()
29 			ctx->csa.class_0_pending = spu->class_0_pending;  in spufs_stop_callback()
30 			ctx->csa.class_0_dar = spu->class_0_dar;  in spufs_stop_callback()
33 			ctx->csa.class_1_dsisr = spu->class_1_dsisr;  in spufs_stop_callback()
34 			ctx->csa.class_1_dar = spu->class_1_dar;  in spufs_stop_callback()
44 		wake_up_all(&ctx->stop_wq);  in spufs_stop_callback()
48 int spu_stopped(struct spu_context *ctx, u32 *stat)  in spu_stopped()  argument
57 	*stat = ctx->ops->status_read(ctx);  in spu_stopped()
68 	if (test_bit(SPU_SCHED_NOTIFY_ACTIVE, &ctx->sched_flags))  in spu_stopped()
71 	dsisr = ctx->csa.class_1_dsisr;  in spu_stopped()
75 	if (ctx->csa.class_0_pending)  in spu_stopped()
81 static int spu_setup_isolated(struct spu_context *ctx)  in spu_setup_isolated()  argument
101 	spu_unmap_mappings(ctx);  in spu_setup_isolated()
103 	mfc_cntl = &ctx->spu->priv2->mfc_control_RW;  in spu_setup_isolated()
124 	sr1 = spu_mfc_sr1_get(ctx->spu);  in spu_setup_isolated()
126 	spu_mfc_sr1_set(ctx->spu, sr1);  in spu_setup_isolated()
129 	ctx->ops->signal1_write(ctx, (unsigned long)isolated_loader >> 32);  in spu_setup_isolated()
130 	ctx->ops->signal2_write(ctx,  in spu_setup_isolated()
133 	ctx->ops->runcntl_write(ctx,  in spu_setup_isolated()
138 	while (((status = ctx->ops->status_read(ctx)) & status_loading) ==  in spu_setup_isolated()
153 		ctx->ops->runcntl_write(ctx, SPU_RUNCNTL_RUNNABLE);  in spu_setup_isolated()
161 		ctx->ops->runcntl_write(ctx, SPU_RUNCNTL_STOP);  in spu_setup_isolated()
169 	spu_mfc_sr1_set(ctx->spu, sr1);  in spu_setup_isolated()
175 static int spu_run_init(struct spu_context *ctx, u32 *npc)  in spu_run_init()  argument
180 	spuctx_switch_state(ctx, SPU_UTIL_SYSTEM);  in spu_run_init()
186 	if (ctx->flags & SPU_CREATE_NOSCHED) {  in spu_run_init()
187 		if (ctx->state == SPU_STATE_SAVED) {  in spu_run_init()
188 			ret = spu_activate(ctx, 0);  in spu_run_init()
197 	if (ctx->flags & SPU_CREATE_ISOLATE) {  in spu_run_init()
198 		if (!(ctx->ops->status_read(ctx) & SPU_STATUS_ISOLATED_STATE)) {  in spu_run_init()
199 			ret = spu_setup_isolated(ctx);  in spu_run_init()
208 		runcntl = ctx->ops->runcntl_read(ctx) &  in spu_run_init()
220 		ctx->ops->privcntl_write(ctx, privcntl);  in spu_run_init()
221 		ctx->ops->npc_write(ctx, *npc);  in spu_run_init()
224 	ctx->ops->runcntl_write(ctx, runcntl);  in spu_run_init()
226 	if (ctx->flags & SPU_CREATE_NOSCHED) {  in spu_run_init()
227 		spuctx_switch_state(ctx, SPU_UTIL_USER);  in spu_run_init()
230 		if (ctx->state == SPU_STATE_SAVED) {  in spu_run_init()
231 			ret = spu_activate(ctx, 0);  in spu_run_init()
235 			spuctx_switch_state(ctx, SPU_UTIL_USER);  in spu_run_init()
239 	set_bit(SPU_SCHED_SPU_RUN, &ctx->sched_flags);  in spu_run_init()
243 static int spu_run_fini(struct spu_context *ctx, u32 *npc,  in spu_run_fini()  argument
248 	spu_del_from_rq(ctx);  in spu_run_fini()
250 	*status = ctx->ops->status_read(ctx);  in spu_run_fini()
251 	*npc = ctx->ops->npc_read(ctx);  in spu_run_fini()
253 	spuctx_switch_state(ctx, SPU_UTIL_IDLE_LOADED);  in spu_run_fini()
254 	clear_bit(SPU_SCHED_SPU_RUN, &ctx->sched_flags);  in spu_run_fini()
255 	spu_switch_log_notify(NULL, ctx, SWITCH_LOG_EXIT, *status);  in spu_run_fini()
256 	spu_release(ctx);  in spu_run_fini()
272 static int spu_handle_restartsys(struct spu_context *ctx, long *spu_ret,  in spu_handle_restartsys()  argument
308 static int spu_process_callback(struct spu_context *ctx)  in spu_process_callback()  argument
317 	npc = ctx->ops->npc_read(ctx) & ~3;  in spu_process_callback()
318 	ls = (void __iomem *)ctx->ops->get_ls(ctx);  in spu_process_callback()
330 		spu_release(ctx);  in spu_process_callback()
334 			ret = spu_handle_restartsys(ctx, &spu_ret, &npc);  in spu_process_callback()
336 		mutex_lock(&ctx->state_mutex);  in spu_process_callback()
343 	ls = (void __iomem *)ctx->ops->get_ls(ctx);  in spu_process_callback()
347 	ctx->ops->npc_write(ctx, npc);  in spu_process_callback()
348 	ctx->ops->runcntl_write(ctx, SPU_RUNCNTL_RUNNABLE);  in spu_process_callback()
352 long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *event)  in spufs_run_spu()  argument
358 	if (mutex_lock_interruptible(&ctx->run_mutex))  in spufs_run_spu()
361 	ctx->event_return = 0;  in spufs_run_spu()
363 	ret = spu_acquire(ctx);  in spufs_run_spu()
367 	spu_enable_spu(ctx);  in spufs_run_spu()
369 	spu_update_sched_info(ctx);  in spufs_run_spu()
371 	ret = spu_run_init(ctx, npc);  in spufs_run_spu()
373 		spu_release(ctx);  in spufs_run_spu()
378 		ret = spufs_wait(ctx->stop_wq, spu_stopped(ctx, &status));  in spufs_run_spu()
385 			mutex_lock(&ctx->state_mutex);  in spufs_run_spu()
388 		spu = ctx->spu;  in spufs_run_spu()
390 						&ctx->sched_flags))) {  in spufs_run_spu()
392 				spu_switch_notify(spu, ctx);  in spufs_run_spu()
397 		spuctx_switch_state(ctx, SPU_UTIL_SYSTEM);  in spufs_run_spu()
401 			ret = spu_process_callback(ctx);  in spufs_run_spu()
406 		ret = spufs_handle_class1(ctx);  in spufs_run_spu()
410 		ret = spufs_handle_class0(ctx);  in spufs_run_spu()
420 	spu_disable_spu(ctx);  in spufs_run_spu()
421 	ret = spu_run_fini(ctx, npc, &status);  in spufs_run_spu()
422 	spu_yield(ctx);  in spufs_run_spu()
426 		ctx->stats.libassist++;  in spufs_run_spu()
450 	*event = ctx->event_return;  in spufs_run_spu()
452 	mutex_unlock(&ctx->run_mutex);  in spufs_run_spu()