9 #include <linux/bitmap.h>
22 	offset = bitmap_find_next_zero_area(bmp->bitmap, bmp->irq_count, 0,  in msi_bitmap_alloc_hwirqs()
27 	bitmap_set(bmp->bitmap, offset, num);  in msi_bitmap_alloc_hwirqs()
48 	bitmap_clear(bmp->bitmap, offset, num);  in msi_bitmap_free_hwirqs()
60 	bitmap_allocate_region(bmp->bitmap, hwirq, 0);  in msi_bitmap_reserve_hwirq()
66  * @bmp: pointer to the MSI bitmap.
70  * are reserved in the bitmap.
96 	bitmap_allocate_region(bmp->bitmap, 0, get_count_order(bmp->irq_count));  in msi_bitmap_reserve_dt_hwirqs()
104 			bitmap_release_region(bmp->bitmap, *p + j, 0);  in msi_bitmap_reserve_dt_hwirqs()
121 	pr_debug("msi_bitmap: allocator bitmap size is 0x%x bytes\n", size);  in msi_bitmap_alloc()
125 		bmp->bitmap = kzalloc(size, GFP_KERNEL);  in msi_bitmap_alloc()
127 		bmp->bitmap = memblock_alloc_or_panic(size, SMP_CACHE_BYTES);  in msi_bitmap_alloc()
128 		/* the bitmap won't be freed from memblock allocator */  in msi_bitmap_alloc()
129 		kmemleak_not_leak(bmp->bitmap);  in msi_bitmap_alloc()
132 	if (!bmp->bitmap) {  in msi_bitmap_alloc()
133 		pr_debug("msi_bitmap: ENOMEM allocating allocator bitmap!\n");  in msi_bitmap_alloc()
137 	/* We zalloc'ed the bitmap, so all irqs are free by default */  in msi_bitmap_alloc()
148 		kfree(bmp->bitmap);  in msi_bitmap_free()
150 	bmp->bitmap = NULL;  in msi_bitmap_free()
160 	/* Can't allocate a bitmap of 0 irqs */  in test_basics()
167 	WARN_ON(bitmap_find_free_region(bmp.bitmap, size, get_count_order(size)));  in test_basics()
168 	bitmap_release_region(bmp.bitmap, 0, get_count_order(size));  in test_basics()
174 	WARN_ON(bitmap_find_free_region(bmp.bitmap, size, get_count_order(size)));  in test_basics()
175 	bitmap_release_region(bmp.bitmap, 0, get_count_order(size));  in test_basics()
184 	WARN_ON(bitmap_find_free_region(bmp.bitmap, size, 0) >= 0);  in test_basics()
211 	/* Clients may WARN_ON bitmap == NULL for "not-allocated" */  in test_basics()
212 	WARN_ON(bmp.bitmap != NULL);  in test_basics()
238 	WARN_ON(bitmap_find_free_region(bmp.bitmap, SIZE_EXPECTED,  in test_of_node()
240 	bitmap_release_region(bmp.bitmap, 0, get_count_order(SIZE_EXPECTED));  in test_of_node()
257 	WARN_ON(!bitmap_equal(expected, bmp.bitmap, SIZE_EXPECTED));  in test_of_node()
260 	kfree(bmp.bitmap);  in test_of_node()
265 	printk(KERN_DEBUG "Running MSI bitmap self-tests ...\n");  in msi_bitmap_selftest()