77 static u32 mlx4_buddy_alloc(struct mlx4_buddy *buddy, int order)  in mlx4_buddy_alloc()  argument
85 	for (o = order; o <= buddy->max_order; ++o)  in mlx4_buddy_alloc()
100 	while (o > order) {  in mlx4_buddy_alloc()
109 	seg <<= order;  in mlx4_buddy_alloc()
114 static void mlx4_buddy_free(struct mlx4_buddy *buddy, u32 seg, int order)  in mlx4_buddy_free()  argument
116 	seg >>= order;  in mlx4_buddy_free()
120 	while (test_bit(seg ^ 1, buddy->bits[order])) {  in mlx4_buddy_free()
121 		clear_bit(seg ^ 1, buddy->bits[order]);  in mlx4_buddy_free()
122 		--buddy->num_free[order];  in mlx4_buddy_free()
124 		++order;  in mlx4_buddy_free()
127 	set_bit(seg, buddy->bits[order]);  in mlx4_buddy_free()
128 	++buddy->num_free[order];  in mlx4_buddy_free()
182 static u32 mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order)  in mlx4_alloc_mtt_range()  argument
187 	seg = mlx4_buddy_alloc(&mr_table->mtt_buddy, order);  in mlx4_alloc_mtt_range()
192 				 seg + (1 << order) - 1)) {  in mlx4_alloc_mtt_range()
193 		mlx4_buddy_free(&mr_table->mtt_buddy, seg, order);  in mlx4_alloc_mtt_range()
206 		mtt->order      = -1;  in mlx4_mtt_init()
212 	for (mtt->order = 0, i = MLX4_MTT_ENTRY_PER_SEG; i < npages; i <<= 1)  in mlx4_mtt_init()
213 		++mtt->order;  in mlx4_mtt_init()
215 	mtt->first_seg = mlx4_alloc_mtt_range(dev, mtt->order);  in mlx4_mtt_init()
227 	if (mtt->order < 0)  in mlx4_mtt_cleanup()
230 	mlx4_buddy_free(&mr_table->mtt_buddy, mtt->first_seg, mtt->order);  in mlx4_mtt_cleanup()
232 			     mtt->first_seg + (1 << mtt->order) - 1);  in mlx4_mtt_cleanup()
340 	if (mr->mtt.order < 0) {  in mlx4_mr_enable()
347 	if (mr->mtt.order >= 0 && mr->mtt.page_shift == 0) {  in mlx4_mr_enable()
352 		mpt_entry->mtt_sz    = cpu_to_be32((1 << mr->mtt.order) *  in mlx4_mr_enable()
416 	if (mtt->order < 0)  in mlx4_write_mtt()