79 void spu_invalidate_slbs(struct spu *spu)  in spu_invalidate_slbs()  argument
81 	struct spu_priv2 __iomem *priv2 = spu->priv2;  in spu_invalidate_slbs()
84 	spin_lock_irqsave(&spu->register_lock, flags);  in spu_invalidate_slbs()
85 	if (spu_mfc_sr1_get(spu) & MFC_STATE1_RELOCATE_MASK)  in spu_invalidate_slbs()
87 	spin_unlock_irqrestore(&spu->register_lock, flags);  in spu_invalidate_slbs()
96 	struct spu *spu;  in spu_flush_all_slbs()  local
100 	list_for_each_entry(spu, &spu_full_list, full_list) {  in spu_flush_all_slbs()
101 		if (spu->mm == mm)  in spu_flush_all_slbs()
102 			spu_invalidate_slbs(spu);  in spu_flush_all_slbs()
118 void spu_associate_mm(struct spu *spu, struct mm_struct *mm)  in spu_associate_mm()  argument
123 	spu->mm = mm;  in spu_associate_mm()
136 static void spu_restart_dma(struct spu *spu)  in spu_restart_dma()  argument
138 	struct spu_priv2 __iomem *priv2 = spu->priv2;  in spu_restart_dma()
140 	if (!test_bit(SPU_CONTEXT_SWITCH_PENDING, &spu->flags))  in spu_restart_dma()
143 		set_bit(SPU_CONTEXT_FAULT_PENDING, &spu->flags);  in spu_restart_dma()
148 static inline void spu_load_slb(struct spu *spu, int slbe, struct copro_slb *slb)  in spu_load_slb()  argument
150 	struct spu_priv2 __iomem *priv2 = spu->priv2;  in spu_load_slb()
164 static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)  in __spu_trap_data_seg()  argument
169 	ret = copro_calculate_slb(spu->mm, ea, &slb);  in __spu_trap_data_seg()
173 	spu_load_slb(spu, spu->slb_replace, &slb);  in __spu_trap_data_seg()
175 	spu->slb_replace++;  in __spu_trap_data_seg()
176 	if (spu->slb_replace >= 8)  in __spu_trap_data_seg()
177 		spu->slb_replace = 0;  in __spu_trap_data_seg()
179 	spu_restart_dma(spu);  in __spu_trap_data_seg()
180 	spu->stats.slb_flt++;  in __spu_trap_data_seg()
186 static int __spu_trap_data_map(struct spu *spu, unsigned long ea, u64 dsisr)  in __spu_trap_data_map()  argument
199 		spin_unlock(&spu->register_lock);  in __spu_trap_data_map()
201 		spin_lock(&spu->register_lock);  in __spu_trap_data_map()
204 			spu_restart_dma(spu);  in __spu_trap_data_map()
209 	spu->class_1_dar = ea;  in __spu_trap_data_map()
210 	spu->class_1_dsisr = dsisr;  in __spu_trap_data_map()
212 	spu->stop_callback(spu, 1);  in __spu_trap_data_map()
214 	spu->class_1_dar = 0;  in __spu_trap_data_map()
215 	spu->class_1_dsisr = 0;  in __spu_trap_data_map()
261 void spu_setup_kernel_slbs(struct spu *spu, struct spu_lscsa *lscsa,  in spu_setup_kernel_slbs()  argument
282 	spin_lock_irq(&spu->register_lock);  in spu_setup_kernel_slbs()
285 		spu_load_slb(spu, i, &slbs[i]);  in spu_setup_kernel_slbs()
286 	spin_unlock_irq(&spu->register_lock);  in spu_setup_kernel_slbs()
293 	struct spu *spu;  in spu_irq_class_0()  local
296 	spu = data;  in spu_irq_class_0()
298 	spin_lock(&spu->register_lock);  in spu_irq_class_0()
299 	mask = spu_int_mask_get(spu, 0);  in spu_irq_class_0()
300 	stat = spu_int_stat_get(spu, 0) & mask;  in spu_irq_class_0()
302 	spu->class_0_pending |= stat;  in spu_irq_class_0()
303 	spu->class_0_dar = spu_mfc_dar_get(spu);  in spu_irq_class_0()
304 	spu->stop_callback(spu, 0);  in spu_irq_class_0()
305 	spu->class_0_pending = 0;  in spu_irq_class_0()
306 	spu->class_0_dar = 0;  in spu_irq_class_0()
308 	spu_int_stat_clear(spu, 0, stat);  in spu_irq_class_0()
309 	spin_unlock(&spu->register_lock);  in spu_irq_class_0()
317 	struct spu *spu;  in spu_irq_class_1()  local
320 	spu = data;  in spu_irq_class_1()
323 	spin_lock(&spu->register_lock);  in spu_irq_class_1()
324 	mask  = spu_int_mask_get(spu, 1);  in spu_irq_class_1()
325 	stat  = spu_int_stat_get(spu, 1) & mask;  in spu_irq_class_1()
326 	dar   = spu_mfc_dar_get(spu);  in spu_irq_class_1()
327 	dsisr = spu_mfc_dsisr_get(spu);  in spu_irq_class_1()
329 		spu_mfc_dsisr_set(spu, 0ul);  in spu_irq_class_1()
330 	spu_int_stat_clear(spu, 1, stat);  in spu_irq_class_1()
336 		__spu_trap_data_seg(spu, dar);  in spu_irq_class_1()
339 		__spu_trap_data_map(spu, dar, dsisr);  in spu_irq_class_1()
347 	spu->class_1_dsisr = 0;  in spu_irq_class_1()
348 	spu->class_1_dar = 0;  in spu_irq_class_1()
350 	spin_unlock(&spu->register_lock);  in spu_irq_class_1()
358 	struct spu *spu;  in spu_irq_class_2()  local
364 	spu = data;  in spu_irq_class_2()
365 	spin_lock(&spu->register_lock);  in spu_irq_class_2()
366 	stat = spu_int_stat_get(spu, 2);  in spu_irq_class_2()
367 	mask = spu_int_mask_get(spu, 2);  in spu_irq_class_2()
373 		spu_int_mask_and(spu, 2, ~(stat & mailbox_intrs));  in spu_irq_class_2()
375 	spu_int_stat_clear(spu, 2, stat);  in spu_irq_class_2()
380 		spu->ibox_callback(spu);  in spu_irq_class_2()
383 		spu->stop_callback(spu, 2);  in spu_irq_class_2()
386 		spu->stop_callback(spu, 2);  in spu_irq_class_2()
389 		spu->mfc_callback(spu);  in spu_irq_class_2()
392 		spu->wbox_callback(spu);  in spu_irq_class_2()
394 	spu->stats.class2_intr++;  in spu_irq_class_2()
396 	spin_unlock(&spu->register_lock);  in spu_irq_class_2()
401 static int spu_request_irqs(struct spu *spu)  in spu_request_irqs()  argument
405 	if (spu->irqs[0] != NO_IRQ) {  in spu_request_irqs()
406 		snprintf(spu->irq_c0, sizeof (spu->irq_c0), "spe%02d.0",  in spu_request_irqs()
407 			 spu->number);  in spu_request_irqs()
408 		ret = request_irq(spu->irqs[0], spu_irq_class_0,  in spu_request_irqs()
409 				  0, spu->irq_c0, spu);  in spu_request_irqs()
413 	if (spu->irqs[1] != NO_IRQ) {  in spu_request_irqs()
414 		snprintf(spu->irq_c1, sizeof (spu->irq_c1), "spe%02d.1",  in spu_request_irqs()
415 			 spu->number);  in spu_request_irqs()
416 		ret = request_irq(spu->irqs[1], spu_irq_class_1,  in spu_request_irqs()
417 				  0, spu->irq_c1, spu);  in spu_request_irqs()
421 	if (spu->irqs[2] != NO_IRQ) {  in spu_request_irqs()
422 		snprintf(spu->irq_c2, sizeof (spu->irq_c2), "spe%02d.2",  in spu_request_irqs()
423 			 spu->number);  in spu_request_irqs()
424 		ret = request_irq(spu->irqs[2], spu_irq_class_2,  in spu_request_irqs()
425 				  0, spu->irq_c2, spu);  in spu_request_irqs()
432 	if (spu->irqs[1] != NO_IRQ)  in spu_request_irqs()
433 		free_irq(spu->irqs[1], spu);  in spu_request_irqs()
435 	if (spu->irqs[0] != NO_IRQ)  in spu_request_irqs()
436 		free_irq(spu->irqs[0], spu);  in spu_request_irqs()
441 static void spu_free_irqs(struct spu *spu)  in spu_free_irqs()  argument
443 	if (spu->irqs[0] != NO_IRQ)  in spu_free_irqs()
444 		free_irq(spu->irqs[0], spu);  in spu_free_irqs()
445 	if (spu->irqs[1] != NO_IRQ)  in spu_free_irqs()
446 		free_irq(spu->irqs[1], spu);  in spu_free_irqs()
447 	if (spu->irqs[2] != NO_IRQ)  in spu_free_irqs()
448 		free_irq(spu->irqs[2], spu);  in spu_free_irqs()
451 void spu_init_channels(struct spu *spu)  in spu_init_channels()  argument
467 	priv2 = spu->priv2;  in spu_init_channels()
493 	struct spu *spu;  in spu_add_dev_attr()  local
496 	list_for_each_entry(spu, &spu_full_list, full_list)  in spu_add_dev_attr()
497 		device_create_file(&spu->dev, attr);  in spu_add_dev_attr()
506 	struct spu *spu;  in spu_add_dev_attr_group()  local
510 	list_for_each_entry(spu, &spu_full_list, full_list) {  in spu_add_dev_attr_group()
511 		rc = sysfs_create_group(&spu->dev.kobj, attrs);  in spu_add_dev_attr_group()
518 			list_for_each_entry_continue_reverse(spu,  in spu_add_dev_attr_group()
520 				sysfs_remove_group(&spu->dev.kobj, attrs);  in spu_add_dev_attr_group()
534 	struct spu *spu;  in spu_remove_dev_attr()  local
537 	list_for_each_entry(spu, &spu_full_list, full_list)  in spu_remove_dev_attr()
538 		device_remove_file(&spu->dev, attr);  in spu_remove_dev_attr()
545 	struct spu *spu;  in spu_remove_dev_attr_group()  local
548 	list_for_each_entry(spu, &spu_full_list, full_list)  in spu_remove_dev_attr_group()
549 		sysfs_remove_group(&spu->dev.kobj, attrs);  in spu_remove_dev_attr_group()
554 static int spu_create_dev(struct spu *spu)  in spu_create_dev()  argument
558 	spu->dev.id = spu->number;  in spu_create_dev()
559 	spu->dev.bus = &spu_subsys;  in spu_create_dev()
560 	ret = device_register(&spu->dev);  in spu_create_dev()
563 				spu->number);  in spu_create_dev()
567 	sysfs_add_device_to_node(&spu->dev, spu->node);  in spu_create_dev()
574 	struct spu *spu;  in create_spu()  local
580 	spu = kzalloc(sizeof (*spu), GFP_KERNEL);  in create_spu()
581 	if (!spu)  in create_spu()
584 	spu->alloc_state = SPU_FREE;  in create_spu()
586 	spin_lock_init(&spu->register_lock);  in create_spu()
588 	spu->number = number++;  in create_spu()
591 	ret = spu_create_spu(spu, data);  in create_spu()
596 	spu_mfc_sdr_setup(spu);  in create_spu()
597 	spu_mfc_sr1_set(spu, 0x33);  in create_spu()
598 	ret = spu_request_irqs(spu);  in create_spu()
602 	ret = spu_create_dev(spu);  in create_spu()
606 	mutex_lock(&cbe_spu_info[spu->node].list_mutex);  in create_spu()
607 	list_add(&spu->cbe_list, &cbe_spu_info[spu->node].spus);  in create_spu()
608 	cbe_spu_info[spu->node].n_spus++;  in create_spu()
609 	mutex_unlock(&cbe_spu_info[spu->node].list_mutex);  in create_spu()
613 	list_add(&spu->full_list, &spu_full_list);  in create_spu()
617 	spu->stats.util_state = SPU_UTIL_IDLE_LOADED;  in create_spu()
618 	spu->stats.tstamp = ktime_get_ns();  in create_spu()
620 	INIT_LIST_HEAD(&spu->aff_list);  in create_spu()
625 	spu_free_irqs(spu);  in create_spu()
627 	spu_destroy_spu(spu);  in create_spu()
629 	kfree(spu);  in create_spu()
638 static unsigned long long spu_acct_time(struct spu *spu,  in spu_acct_time()  argument
641 	unsigned long long time = spu->stats.times[state];  in spu_acct_time()
648 	if (spu->stats.util_state == state)  in spu_acct_time()
649 		time += ktime_get_ns() - spu->stats.tstamp;  in spu_acct_time()
658 	struct spu *spu = container_of(dev, struct spu, dev);  in spu_stat_show()  local
662 		spu_state_names[spu->stats.util_state],  in spu_stat_show()
663 		spu_acct_time(spu, SPU_UTIL_USER),  in spu_stat_show()
664 		spu_acct_time(spu, SPU_UTIL_SYSTEM),  in spu_stat_show()
665 		spu_acct_time(spu, SPU_UTIL_IOWAIT),  in spu_stat_show()
666 		spu_acct_time(spu, SPU_UTIL_IDLE_LOADED),  in spu_stat_show()
667 		spu->stats.vol_ctx_switch,  in spu_stat_show()
668 		spu->stats.invol_ctx_switch,  in spu_stat_show()
669 		spu->stats.slb_flt,  in spu_stat_show()
670 		spu->stats.hash_flt,  in spu_stat_show()
671 		spu->stats.min_flt,  in spu_stat_show()
672 		spu->stats.maj_flt,  in spu_stat_show()
673 		spu->stats.class2_intr,  in spu_stat_show()
674 		spu->stats.libassist);  in spu_stat_show()
682 	struct spu *spu;  member
696 	struct spu *spu;  in crash_kexec_stop_spus()  local
701 		if (!crash_spu_info[i].spu)  in crash_kexec_stop_spus()
704 		spu = crash_spu_info[i].spu;  in crash_kexec_stop_spus()
707 			in_be32(&spu->problem->spu_runcntl_RW);  in crash_kexec_stop_spus()
709 			in_be32(&spu->problem->spu_status_R);  in crash_kexec_stop_spus()
711 			in_be32(&spu->problem->spu_npc_RW);  in crash_kexec_stop_spus()
713 		crash_spu_info[i].saved_mfc_dar    = spu_mfc_dar_get(spu);  in crash_kexec_stop_spus()
714 		crash_spu_info[i].saved_mfc_dsisr  = spu_mfc_dsisr_get(spu);  in crash_kexec_stop_spus()
715 		tmp = spu_mfc_sr1_get(spu);  in crash_kexec_stop_spus()
719 		spu_mfc_sr1_set(spu, tmp);  in crash_kexec_stop_spus()
727 	struct spu *spu;  in crash_register_spus()  local
730 	list_for_each_entry(spu, list, full_list) {  in crash_register_spus()
731 		if (WARN_ON(spu->number >= CRASH_NUM_SPUS))  in crash_register_spus()
734 		crash_spu_info[spu->number].spu = spu;  in crash_register_spus()
750 	struct spu *spu;  in spu_shutdown()  local
753 	list_for_each_entry(spu, &spu_full_list, full_list) {  in spu_shutdown()
754 		spu_free_irqs(spu);  in spu_shutdown()
755 		spu_destroy_spu(spu);  in spu_shutdown()