11 #include <asm/mpic.h>
16 #include <sysdev/mpic.h>
18 void mpic_msi_reserve_hwirq(struct mpic *mpic, irq_hw_number_t hwirq)  in mpic_msi_reserve_hwirq()  argument
20 	/* The mpic calls this even when there is no allocator setup */  in mpic_msi_reserve_hwirq()
21 	if (!mpic->msi_bitmap.bitmap)  in mpic_msi_reserve_hwirq()
24 	msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, hwirq);  in mpic_msi_reserve_hwirq()
28 static int __init mpic_msi_reserve_u3_hwirqs(struct mpic *mpic)  in mpic_msi_reserve_u3_hwirqs()  argument
31 	const struct irq_domain_ops *ops = mpic->irqhost->ops;  in mpic_msi_reserve_u3_hwirqs()
36 	pr_debug("mpic: found U3, guessing msi allocator setup\n");  in mpic_msi_reserve_u3_hwirqs()
45 		msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, i);  in mpic_msi_reserve_u3_hwirqs()
48 		msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, i);  in mpic_msi_reserve_u3_hwirqs()
51 		msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, i);  in mpic_msi_reserve_u3_hwirqs()
53 	for (i = 124; i < mpic->num_sources; i++)  in mpic_msi_reserve_u3_hwirqs()
54 		msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, i);  in mpic_msi_reserve_u3_hwirqs()
59 		pr_debug("mpic: mapping hwirqs for %pOF\n", np);  in mpic_msi_reserve_u3_hwirqs()
63 			ops->xlate(mpic->irqhost, NULL, oirq.args,  in mpic_msi_reserve_u3_hwirqs()
65 			msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, hwirq);  in mpic_msi_reserve_u3_hwirqs()
72 static int __init mpic_msi_reserve_u3_hwirqs(struct mpic *mpic)  in mpic_msi_reserve_u3_hwirqs()  argument
78 int __init mpic_msi_init_allocator(struct mpic *mpic)  in mpic_msi_init_allocator()  argument
82 	rc = msi_bitmap_alloc(&mpic->msi_bitmap, mpic->num_sources,  in mpic_msi_init_allocator()
83 			      irq_domain_get_of_node(mpic->irqhost));  in mpic_msi_init_allocator()
87 	rc = msi_bitmap_reserve_dt_hwirqs(&mpic->msi_bitmap);  in mpic_msi_init_allocator()
89 		if (mpic->flags & MPIC_U3_HT_IRQS)  in mpic_msi_init_allocator()
90 			rc = mpic_msi_reserve_u3_hwirqs(mpic);  in mpic_msi_init_allocator()
93 			msi_bitmap_free(&mpic->msi_bitmap);  in mpic_msi_init_allocator()