52 	struct xive_irq_bitmap *xibm;  in xive_irq_bitmap_add()  local
54 	xibm = kzalloc(sizeof(*xibm), GFP_KERNEL);  in xive_irq_bitmap_add()
55 	if (!xibm)  in xive_irq_bitmap_add()
58 	spin_lock_init(&xibm->lock);  in xive_irq_bitmap_add()
59 	xibm->base = base;  in xive_irq_bitmap_add()
60 	xibm->count = count;  in xive_irq_bitmap_add()
61 	xibm->bitmap = bitmap_zalloc(xibm->count, GFP_KERNEL);  in xive_irq_bitmap_add()
62 	if (!xibm->bitmap) {  in xive_irq_bitmap_add()
63 		kfree(xibm);  in xive_irq_bitmap_add()
66 	list_add(&xibm->list, &xive_irq_bitmaps);  in xive_irq_bitmap_add()
68 	pr_info("Using IRQ range [%x-%x]", xibm->base,  in xive_irq_bitmap_add()
69 		xibm->base + xibm->count - 1);  in xive_irq_bitmap_add()
75 	struct xive_irq_bitmap *xibm, *tmp;  in xive_irq_bitmap_remove_all()  local
77 	list_for_each_entry_safe(xibm, tmp, &xive_irq_bitmaps, list) {  in xive_irq_bitmap_remove_all()
78 		list_del(&xibm->list);  in xive_irq_bitmap_remove_all()
79 		bitmap_free(xibm->bitmap);  in xive_irq_bitmap_remove_all()
80 		kfree(xibm);  in xive_irq_bitmap_remove_all()
84 static int __xive_irq_bitmap_alloc(struct xive_irq_bitmap *xibm)  in __xive_irq_bitmap_alloc()  argument
88 	irq = find_first_zero_bit(xibm->bitmap, xibm->count);  in __xive_irq_bitmap_alloc()
89 	if (irq != xibm->count) {  in __xive_irq_bitmap_alloc()
90 		set_bit(irq, xibm->bitmap);  in __xive_irq_bitmap_alloc()
91 		irq += xibm->base;  in __xive_irq_bitmap_alloc()
101 	struct xive_irq_bitmap *xibm;  in xive_irq_bitmap_alloc()  local
105 	list_for_each_entry(xibm, &xive_irq_bitmaps, list) {  in xive_irq_bitmap_alloc()
106 		spin_lock_irqsave(&xibm->lock, flags);  in xive_irq_bitmap_alloc()
107 		irq = __xive_irq_bitmap_alloc(xibm);  in xive_irq_bitmap_alloc()
108 		spin_unlock_irqrestore(&xibm->lock, flags);  in xive_irq_bitmap_alloc()
118 	struct xive_irq_bitmap *xibm;  in xive_irq_bitmap_free()  local
120 	list_for_each_entry(xibm, &xive_irq_bitmaps, list) {  in xive_irq_bitmap_free()
121 		if ((irq >= xibm->base) && (irq < xibm->base + xibm->count)) {  in xive_irq_bitmap_free()
122 			spin_lock_irqsave(&xibm->lock, flags);  in xive_irq_bitmap_free()
123 			clear_bit(irq - xibm->base, xibm->bitmap);  in xive_irq_bitmap_free()
124 			spin_unlock_irqrestore(&xibm->lock, flags);  in xive_irq_bitmap_free()
668 	struct xive_irq_bitmap *xibm;  in xive_spapr_debug_show()  local
674 	list_for_each_entry(xibm, &xive_irq_bitmaps, list) {  in xive_spapr_debug_show()
676 		bitmap_print_to_pagebuf(true, buf, xibm->bitmap, xibm->count);  in xive_spapr_debug_show()
677 		seq_printf(m, "bitmap #%d: %s", xibm->count, buf);  in xive_spapr_debug_show()