57 devfs_clone_bitmap_init(struct devfs_bitmap *bitmap)  in devfs_clone_bitmap_init()  argument
59 	bitmap->chunks = DEVFS_BITMAP_INITIAL_SIZE;  in devfs_clone_bitmap_init()
60 	bitmap->bitmap = kmalloc(bitmap->chunks * sizeof(u_long),  in devfs_clone_bitmap_init()
62 	memset(bitmap->bitmap, -1, bitmap->chunks * sizeof(u_long));  in devfs_clone_bitmap_init()
67 devfs_clone_bitmap_uninit(struct devfs_bitmap *bitmap)  in devfs_clone_bitmap_uninit()  argument
69 	kfree(bitmap->bitmap, M_DEVFS);  in devfs_clone_bitmap_uninit()
78 devfs_clone_bitmap_extend(struct devfs_bitmap *bitmap, int newchunks)  in devfs_clone_bitmap_extend()  argument
80 	int oldchunks = bitmap->chunks;  in devfs_clone_bitmap_extend()
82 	bitmap->chunks = newchunks + 2;  in devfs_clone_bitmap_extend()
83 	bitmap->bitmap = krealloc(bitmap->bitmap,  in devfs_clone_bitmap_extend()
84 				  sizeof(u_long) * bitmap->chunks,  in devfs_clone_bitmap_extend()
86 	memset(bitmap->bitmap + oldchunks, -1,  in devfs_clone_bitmap_extend()
87 	       sizeof(u_long) * (bitmap->chunks - oldchunks));  in devfs_clone_bitmap_extend()
95 devfs_clone_bitmap_fff(struct devfs_bitmap *bitmap)  in devfs_clone_bitmap_fff()  argument
101 	chunks = bitmap->chunks;  in devfs_clone_bitmap_fff()
105 			devfs_clone_bitmap_extend(bitmap, i);  in devfs_clone_bitmap_fff()
106 		curbitmap = bitmap->bitmap[i];  in devfs_clone_bitmap_fff()
136 devfs_clone_bitmap_chk(struct devfs_bitmap *bitmap, int unit)  in devfs_clone_bitmap_chk()  argument
145 	if (chunk >= bitmap->chunks) {  in devfs_clone_bitmap_chk()
149 	res = !((bitmap->bitmap[chunk]) & (1UL << unit));  in devfs_clone_bitmap_chk()
170 devfs_clone_bitmap_set(struct devfs_bitmap *bitmap, int unit)  in devfs_clone_bitmap_set()  argument
179 	if (chunk >= bitmap->chunks)  in devfs_clone_bitmap_set()
180 		devfs_clone_bitmap_extend(bitmap, chunk);  in devfs_clone_bitmap_set()
181 	if (bitmap->bitmap[chunk] & (1UL << unit)) {  in devfs_clone_bitmap_set()
182 		bitmap->bitmap[chunk] &= ~(1UL << unit);  in devfs_clone_bitmap_set()
198 devfs_clone_bitmap_put(struct devfs_bitmap *bitmap, int unit)  in devfs_clone_bitmap_put()  argument
208 	if (chunk < bitmap->chunks)  in devfs_clone_bitmap_put()
209 		bitmap->bitmap[chunk] |= (1UL << unit);  in devfs_clone_bitmap_put()
221 devfs_clone_bitmap_get(struct devfs_bitmap *bitmap, int limit)  in devfs_clone_bitmap_get()  argument
226 	unit = devfs_clone_bitmap_fff(bitmap);  in devfs_clone_bitmap_get()
230 		devfs_clone_bitmap_set(bitmap, unit);  in devfs_clone_bitmap_get()