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1/* SPDX-License-Identifier: GPL-2.0 OR MIT */2 3#ifndef _TTM_RANGE_MANAGER_H_4#define _TTM_RANGE_MANAGER_H_5 6#include <drm/ttm/ttm_resource.h>7#include <drm/ttm/ttm_device.h>8#include <drm/drm_mm.h>9 10/**11 * struct ttm_range_mgr_node12 *13 * @base: base clase we extend14 * @mm_nodes: MM nodes, usually 115 *16 * Extending the ttm_resource object to manage an address space allocation with17 * one or more drm_mm_nodes.18 */19struct ttm_range_mgr_node {20 struct ttm_resource base;21 struct drm_mm_node mm_nodes[];22};23 24/**25 * to_ttm_range_mgr_node26 *27 * @res: the resource to upcast28 *29 * Upcast the ttm_resource object into a ttm_range_mgr_node object.30 */31static inline struct ttm_range_mgr_node *32to_ttm_range_mgr_node(struct ttm_resource *res)33{34 return container_of(res, struct ttm_range_mgr_node, base);35}36 37int ttm_range_man_init_nocheck(struct ttm_device *bdev,38 unsigned type, bool use_tt,39 unsigned long p_size);40int ttm_range_man_fini_nocheck(struct ttm_device *bdev,41 unsigned type);42static __always_inline int ttm_range_man_init(struct ttm_device *bdev,43 unsigned int type, bool use_tt,44 unsigned long p_size)45{46 BUILD_BUG_ON(__builtin_constant_p(type) && type >= TTM_NUM_MEM_TYPES);47 return ttm_range_man_init_nocheck(bdev, type, use_tt, p_size);48}49 50static __always_inline int ttm_range_man_fini(struct ttm_device *bdev,51 unsigned int type)52{53 BUILD_BUG_ON(__builtin_constant_p(type) && type >= TTM_NUM_MEM_TYPES);54 return ttm_range_man_fini_nocheck(bdev, type);55}56#endif57