49 	struct xive_irq_bitmap *xibm;  in xive_irq_bitmap_add()  local
51 	xibm = kzalloc(sizeof(*xibm), GFP_KERNEL);  in xive_irq_bitmap_add()
52 	if (!xibm)  in xive_irq_bitmap_add()
55 	spin_lock_init(&xibm->lock);  in xive_irq_bitmap_add()
56 	xibm->base = base;  in xive_irq_bitmap_add()
57 	xibm->count = count;  in xive_irq_bitmap_add()
58 	xibm->bitmap = kzalloc(xibm->count, GFP_KERNEL);  in xive_irq_bitmap_add()
59 	if (!xibm->bitmap) {  in xive_irq_bitmap_add()
60 		kfree(xibm);  in xive_irq_bitmap_add()
63 	list_add(&xibm->list, &xive_irq_bitmaps);  in xive_irq_bitmap_add()
65 	pr_info("Using IRQ range [%x-%x]", xibm->base,  in xive_irq_bitmap_add()
66 		xibm->base + xibm->count - 1);  in xive_irq_bitmap_add()
70 static int __xive_irq_bitmap_alloc(struct xive_irq_bitmap *xibm)  in __xive_irq_bitmap_alloc()  argument
74 	irq = find_first_zero_bit(xibm->bitmap, xibm->count);  in __xive_irq_bitmap_alloc()
75 	if (irq != xibm->count) {  in __xive_irq_bitmap_alloc()
76 		set_bit(irq, xibm->bitmap);  in __xive_irq_bitmap_alloc()
77 		irq += xibm->base;  in __xive_irq_bitmap_alloc()
87 	struct xive_irq_bitmap *xibm;  in xive_irq_bitmap_alloc()  local
91 	list_for_each_entry(xibm, &xive_irq_bitmaps, list) {  in xive_irq_bitmap_alloc()
92 		spin_lock_irqsave(&xibm->lock, flags);  in xive_irq_bitmap_alloc()
93 		irq = __xive_irq_bitmap_alloc(xibm);  in xive_irq_bitmap_alloc()
94 		spin_unlock_irqrestore(&xibm->lock, flags);  in xive_irq_bitmap_alloc()
104 	struct xive_irq_bitmap *xibm;  in xive_irq_bitmap_free()  local
106 	list_for_each_entry(xibm, &xive_irq_bitmaps, list) {  in xive_irq_bitmap_free()
107 		if ((irq >= xibm->base) && (irq < xibm->base + xibm->count)) {  in xive_irq_bitmap_free()
108 			spin_lock_irqsave(&xibm->lock, flags);  in xive_irq_bitmap_free()
109 			clear_bit(irq - xibm->base, xibm->bitmap);  in xive_irq_bitmap_free()
110 			spin_unlock_irqrestore(&xibm->lock, flags);  in xive_irq_bitmap_free()
658 	struct xive_irq_bitmap *xibm;  in xive_spapr_debug_show()  local
664 	list_for_each_entry(xibm, &xive_irq_bitmaps, list) {  in xive_spapr_debug_show()
666 		bitmap_print_to_pagebuf(true, buf, xibm->bitmap, xibm->count);  in xive_spapr_debug_show()
667 		seq_printf(m, "bitmap #%d: %s", xibm->count, buf);  in xive_spapr_debug_show()