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/* SPDX-License-Identifier: GPL-2.0 OR MIT */
#ifndef _TTM_RANGE_MANAGER_H_
#define _TTM_RANGE_MANAGER_H_
#include <drm/ttm/ttm_resource.h>
#include <drm/ttm/ttm_device.h>
#include <drm/drm_mm.h>
/**
* struct ttm_range_mgr_node
*
* @base: base clase we extend
* @mm_nodes: MM nodes, usually 1
*
* Extending the ttm_resource object to manage an address space allocation with
* one or more drm_mm_nodes.
*/
struct ttm_range_mgr_node {
struct ttm_resource base;
struct drm_mm_node mm_nodes[];
};
/**
* to_ttm_range_mgr_node
*
* @res: the resource to upcast
*
* Upcast the ttm_resource object into a ttm_range_mgr_node object.
*/
static inline struct ttm_range_mgr_node *
to_ttm_range_mgr_node(struct ttm_resource *res)
{
return container_of(res, struct ttm_range_mgr_node, base);
}
int ttm_range_man_init_nocheck(struct ttm_device *bdev,
unsigned type, bool use_tt,
unsigned long p_size);
int ttm_range_man_fini_nocheck(struct ttm_device *bdev,
unsigned type);
static __always_inline int ttm_range_man_init(struct ttm_device *bdev,
unsigned int type, bool use_tt,
unsigned long p_size)
{
BUILD_BUG_ON(__builtin_constant_p(type) && type >= TTM_NUM_MEM_TYPES);
return ttm_range_man_init_nocheck(bdev, type, use_tt, p_size);
}
static __always_inline int ttm_range_man_fini(struct ttm_device *bdev,
unsigned int type)
{
BUILD_BUG_ON(__builtin_constant_p(type) && type >= TTM_NUM_MEM_TYPES);
return ttm_range_man_fini_nocheck(bdev, type);
}
#endif
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