1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Low-level SPU handling
26 	if (ctx->flags & SPU_CREATE_EVENTS_ENABLED) {  in spufs_handle_event()
27 		ctx->event_return |= type;  in spufs_handle_event()
28 		wake_up_all(&ctx->stop_wq);  in spufs_handle_event()
37 		ctx->ops->restart_dma(ctx);  in spufs_handle_event()
48 			ctx->ops->npc_read(ctx) - 4);  in spufs_handle_event()
55 	unsigned long stat = ctx->csa.class_0_pending & CLASS0_INTR_MASK;  in spufs_handle_class0()
61 		spufs_handle_event(ctx, ctx->csa.class_0_dar,  in spufs_handle_class0()
65 		spufs_handle_event(ctx, ctx->csa.class_0_dar,  in spufs_handle_class0()
69 		spufs_handle_event(ctx, ctx->csa.class_0_dar,  in spufs_handle_class0()
72 	ctx->csa.class_0_pending = 0;  in spufs_handle_class0()
74 	return -EIO;  in spufs_handle_class0()
78  * bottom half handler for page faults, we can't do this from
84  *       in order to speed up the easy case.
102 	ea = ctx->csa.class_1_dar;  in spufs_handle_class1()
103 	dsisr = ctx->csa.class_1_dsisr;  in spufs_handle_class1()
111 		dsisr, ctx->state);  in spufs_handle_class1()
113 	ctx->stats.hash_flt++;  in spufs_handle_class1()
114 	if (ctx->state == SPU_STATE_RUNNABLE)  in spufs_handle_class1()
115 		ctx->spu->stats.hash_flt++;  in spufs_handle_class1()
128 		ret = copro_handle_mm_fault(current->mm, ea, dsisr, &flt);  in spufs_handle_class1()
134 	mutex_lock(&ctx->state_mutex);  in spufs_handle_class1()
141 	ctx->csa.class_1_dar = ctx->csa.class_1_dsisr = 0;  in spufs_handle_class1()
150 			ctx->stats.maj_flt++;  in spufs_handle_class1()
152 			ctx->stats.min_flt++;  in spufs_handle_class1()
153 		if (ctx->state == SPU_STATE_RUNNABLE) {  in spufs_handle_class1()
155 				ctx->spu->stats.maj_flt++;  in spufs_handle_class1()
157 				ctx->spu->stats.min_flt++;  in spufs_handle_class1()
160 		if (ctx->spu)  in spufs_handle_class1()
161 			ctx->ops->restart_dma(ctx);  in spufs_handle_class1()