[net-next-2.6.git] / drivers / char / drm / drm_sman.c

/**************************************************************************
 *
 * Copyright 2006 Tungsten Graphics, Inc., Bismarck., ND., USA.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 *
 **************************************************************************/
/*
 * Simple memory manager interface that keeps track on allocate regions on a
 * per "owner" basis. All regions associated with an "owner" can be released
 * with a simple call. Typically if the "owner" exists. The owner is any
 * "unsigned long" identifier. Can typically be a pointer to a file private
 * struct or a context identifier.
 *
 * Authors:
 * Thomas Hellström <thomas-at-tungstengraphics-dot-com>
 */

#include "drm_sman.h"

struct drm_owner_item {
	struct drm_hash_item owner_hash;
	struct list_head sman_list;
	struct list_head mem_blocks;
};

void drm_sman_takedown(struct drm_sman * sman)
{
	drm_ht_remove(&sman->user_hash_tab);
	drm_ht_remove(&sman->owner_hash_tab);
	if (sman->mm)
		drm_free(sman->mm, sman->num_managers * sizeof(*sman->mm),
			 DRM_MEM_MM);
}

EXPORT_SYMBOL(drm_sman_takedown);

int
drm_sman_init(struct drm_sman * sman, unsigned int num_managers,
	      unsigned int user_order, unsigned int owner_order)
{
	int ret = 0;

	sman->mm = (struct drm_sman_mm *) drm_calloc(num_managers, sizeof(*sman->mm),
						DRM_MEM_MM);
	if (!sman->mm) {
		ret = -ENOMEM;
		goto out;
	}
	sman->num_managers = num_managers;
	INIT_LIST_HEAD(&sman->owner_items);
	ret = drm_ht_create(&sman->owner_hash_tab, owner_order);
	if (ret)
		goto out1;
	ret = drm_ht_create(&sman->user_hash_tab, user_order);
	if (!ret)
		goto out;

	drm_ht_remove(&sman->owner_hash_tab);
out1:
	drm_free(sman->mm, num_managers * sizeof(*sman->mm), DRM_MEM_MM);
out:
	return ret;
}

EXPORT_SYMBOL(drm_sman_init);

static void *drm_sman_mm_allocate(void *private, unsigned long size,
				  unsigned alignment)
{
	struct drm_mm *mm = (struct drm_mm *) private;
	struct drm_mm_node *tmp;

	tmp = drm_mm_search_free(mm, size, alignment, 1);
	if (!tmp) {
		return NULL;
	}
	tmp = drm_mm_get_block(tmp, size, alignment);
	return tmp;
}

static void drm_sman_mm_free(void *private, void *ref)
{
	struct drm_mm_node *node = (struct drm_mm_node *) ref;

	drm_mm_put_block(node);
}

static void drm_sman_mm_destroy(void *private)
{
	struct drm_mm *mm = (struct drm_mm *) private;
	drm_mm_takedown(mm);
	drm_free(mm, sizeof(*mm), DRM_MEM_MM);
}

static unsigned long drm_sman_mm_offset(void *private, void *ref)
{
	struct drm_mm_node *node = (struct drm_mm_node *) ref;
	return node->start;
}

int
drm_sman_set_range(struct drm_sman * sman, unsigned int manager,
		   unsigned long start, unsigned long size)
{
	struct drm_sman_mm *sman_mm;
	struct drm_mm *mm;
	int ret;

	BUG_ON(manager >= sman->num_managers);

	sman_mm = &sman->mm[manager];
	mm = drm_calloc(1, sizeof(*mm), DRM_MEM_MM);
	if (!mm) {
		return -ENOMEM;
	}
	sman_mm->private = mm;
	ret = drm_mm_init(mm, start, size);

	if (ret) {
		drm_free(mm, sizeof(*mm), DRM_MEM_MM);
		return ret;
	}

	sman_mm->allocate = drm_sman_mm_allocate;
	sman_mm->free = drm_sman_mm_free;
	sman_mm->destroy = drm_sman_mm_destroy;
	sman_mm->offset = drm_sman_mm_offset;

	return 0;
}

EXPORT_SYMBOL(drm_sman_set_range);

int
drm_sman_set_manager(struct drm_sman * sman, unsigned int manager,
		     struct drm_sman_mm * allocator)
{
	BUG_ON(manager >= sman->num_managers);
	sman->mm[manager] = *allocator;

	return 0;
}
EXPORT_SYMBOL(drm_sman_set_manager);

static struct drm_owner_item *drm_sman_get_owner_item(struct drm_sman * sman,
						 unsigned long owner)
{
	int ret;
	struct drm_hash_item *owner_hash_item;
	struct drm_owner_item *owner_item;

	ret = drm_ht_find_item(&sman->owner_hash_tab, owner, &owner_hash_item);
	if (!ret) {
		return drm_hash_entry(owner_hash_item, struct drm_owner_item,
				      owner_hash);
	}

	owner_item = drm_calloc(1, sizeof(*owner_item), DRM_MEM_MM);
	if (!owner_item)
		goto out;

	INIT_LIST_HEAD(&owner_item->mem_blocks);
	owner_item->owner_hash.key = owner;
	if (drm_ht_insert_item(&sman->owner_hash_tab, &owner_item->owner_hash))
		goto out1;

	list_add_tail(&owner_item->sman_list, &sman->owner_items);
	return owner_item;

out1:
	drm_free(owner_item, sizeof(*owner_item), DRM_MEM_MM);
out:
	return NULL;
}

struct drm_memblock_item *drm_sman_alloc(struct drm_sman *sman, unsigned int manager,
				    unsigned long size, unsigned alignment,
				    unsigned long owner)
{
	void *tmp;
	struct drm_sman_mm *sman_mm;
	struct drm_owner_item *owner_item;
	struct drm_memblock_item *memblock;

	BUG_ON(manager >= sman->num_managers);

	sman_mm = &sman->mm[manager];
	tmp = sman_mm->allocate(sman_mm->private, size, alignment);

	if (!tmp) {
		return NULL;
	}

	memblock = drm_calloc(1, sizeof(*memblock), DRM_MEM_MM);

	if (!memblock)
		goto out;

	memblock->mm_info = tmp;
	memblock->mm = sman_mm;
	memblock->sman = sman;

	if (drm_ht_just_insert_please
	    (&sman->user_hash_tab, &memblock->user_hash,
	     (unsigned long)memblock, 32, 0, 0))
		goto out1;

	owner_item = drm_sman_get_owner_item(sman, owner);
	if (!owner_item)
		goto out2;

	list_add_tail(&memblock->owner_list, &owner_item->mem_blocks);

	return memblock;

out2:
	drm_ht_remove_item(&sman->user_hash_tab, &memblock->user_hash);
out1:
	drm_free(memblock, sizeof(*memblock), DRM_MEM_MM);
out:
	sman_mm->free(sman_mm->private, tmp);

	return NULL;
}

EXPORT_SYMBOL(drm_sman_alloc);

static void drm_sman_free(struct drm_memblock_item *item)
{
	struct drm_sman *sman = item->sman;

	list_del(&item->owner_list);
	drm_ht_remove_item(&sman->user_hash_tab, &item->user_hash);
	item->mm->free(item->mm->private, item->mm_info);
	drm_free(item, sizeof(*item), DRM_MEM_MM);
}

int drm_sman_free_key(struct drm_sman *sman, unsigned int key)
{
	struct drm_hash_item *hash_item;
	struct drm_memblock_item *memblock_item;

	if (drm_ht_find_item(&sman->user_hash_tab, key, &hash_item))
		return -EINVAL;

	memblock_item = drm_hash_entry(hash_item, struct drm_memblock_item,
				       user_hash);
	drm_sman_free(memblock_item);
	return 0;
}

EXPORT_SYMBOL(drm_sman_free_key);

static void drm_sman_remove_owner(struct drm_sman *sman,
				  struct drm_owner_item *owner_item)
{
	list_del(&owner_item->sman_list);
	drm_ht_remove_item(&sman->owner_hash_tab, &owner_item->owner_hash);
	drm_free(owner_item, sizeof(*owner_item), DRM_MEM_MM);
}

int drm_sman_owner_clean(struct drm_sman *sman, unsigned long owner)
{

	struct drm_hash_item *hash_item;
	struct drm_owner_item *owner_item;

	if (drm_ht_find_item(&sman->owner_hash_tab, owner, &hash_item)) {
		return -1;
	}

	owner_item = drm_hash_entry(hash_item, struct drm_owner_item, owner_hash);
	if (owner_item->mem_blocks.next == &owner_item->mem_blocks) {
		drm_sman_remove_owner(sman, owner_item);
		return -1;
	}

	return 0;
}

EXPORT_SYMBOL(drm_sman_owner_clean);

static void drm_sman_do_owner_cleanup(struct drm_sman *sman,
				      struct drm_owner_item *owner_item)
{
	struct drm_memblock_item *entry, *next;

	list_for_each_entry_safe(entry, next, &owner_item->mem_blocks,
				 owner_list) {
		drm_sman_free(entry);
	}
	drm_sman_remove_owner(sman, owner_item);
}

void drm_sman_owner_cleanup(struct drm_sman *sman, unsigned long owner)
{

	struct drm_hash_item *hash_item;
	struct drm_owner_item *owner_item;

	if (drm_ht_find_item(&sman->owner_hash_tab, owner, &hash_item)) {

		return;
	}

	owner_item = drm_hash_entry(hash_item, struct drm_owner_item, owner_hash);
	drm_sman_do_owner_cleanup(sman, owner_item);
}

EXPORT_SYMBOL(drm_sman_owner_cleanup);

void drm_sman_cleanup(struct drm_sman *sman)
{
	struct drm_owner_item *entry, *next;
	unsigned int i;
	struct drm_sman_mm *sman_mm;

	list_for_each_entry_safe(entry, next, &sman->owner_items, sman_list) {
		drm_sman_do_owner_cleanup(sman, entry);
	}
	if (sman->mm) {
		for (i = 0; i < sman->num_managers; ++i) {
			sman_mm = &sman->mm[i];
			if (sman_mm->private) {
				sman_mm->destroy(sman_mm->private);
				sman_mm->private = NULL;
			}
		}
	}
}

EXPORT_SYMBOL(drm_sman_cleanup);
Commit	Line	Data
3a1bd924 TH	1	/**************************************************************************
	2	*
	3	* Copyright 2006 Tungsten Graphics, Inc., Bismarck., ND., USA.
	4	* All Rights Reserved.
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a
	7	* copy of this software and associated documentation files (the
	8	* "Software"), to deal in the Software without restriction, including
	9	* without limitation the rights to use, copy, modify, merge, publish,
	10	* distribute, sub license, and/or sell copies of the Software, and to
	11	* permit persons to whom the Software is furnished to do so, subject to
	12	* the following conditions:
	13	*
	14	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	15	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
	17	* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
	18	* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
	19	* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
	20	* USE OR OTHER DEALINGS IN THE SOFTWARE.
	21	*
	22	* The above copyright notice and this permission notice (including the
	23	* next paragraph) shall be included in all copies or substantial portions
	24	* of the Software.
	25	*
	26	*
	27	**************************************************************************/
	28	/*
	29	* Simple memory manager interface that keeps track on allocate regions on a
	30	* per "owner" basis. All regions associated with an "owner" can be released
	31	* with a simple call. Typically if the "owner" exists. The owner is any
	32	* "unsigned long" identifier. Can typically be a pointer to a file private
	33	* struct or a context identifier.
	34	*
	35	* Authors:
96de0e25	36	* Thomas Hellström <thomas-at-tungstengraphics-dot-com>
3a1bd924 TH	37	*/
	38
	39	#include "drm_sman.h"
	40
e0be428e DA	41	struct drm_owner_item {
e0be428e DA	42	struct drm_hash_item owner_hash;
3a1bd924 TH	43	struct list_head sman_list;
3a1bd924 TH	44	struct list_head mem_blocks;
e0be428e	45	};
3a1bd924	46
9698b4db	47	void drm_sman_takedown(struct drm_sman * sman)
3a1bd924 TH	48	{
	49	drm_ht_remove(&sman->user_hash_tab);
	50	drm_ht_remove(&sman->owner_hash_tab);
	51	if (sman->mm)
	52	drm_free(sman->mm, sman->num_managers * sizeof(*sman->mm),
	53	DRM_MEM_MM);
	54	}
	55
	56	EXPORT_SYMBOL(drm_sman_takedown);
	57
	58	int
9698b4db	59	drm_sman_init(struct drm_sman * sman, unsigned int num_managers,
3a1bd924 TH	60	unsigned int user_order, unsigned int owner_order)
	61	{
	62	int ret = 0;
	63
9698b4db	64	sman->mm = (struct drm_sman_mm ) drm_calloc(num_managers, sizeof(sman->mm),
3a1bd924 TH	65	DRM_MEM_MM);
	66	if (!sman->mm) {
	67	ret = -ENOMEM;
	68	goto out;
	69	}
	70	sman->num_managers = num_managers;
	71	INIT_LIST_HEAD(&sman->owner_items);
	72	ret = drm_ht_create(&sman->owner_hash_tab, owner_order);
	73	if (ret)
	74	goto out1;
	75	ret = drm_ht_create(&sman->user_hash_tab, user_order);
	76	if (!ret)
	77	goto out;
	78
	79	drm_ht_remove(&sman->owner_hash_tab);
	80	out1:
	81	drm_free(sman->mm, num_managers * sizeof(*sman->mm), DRM_MEM_MM);
	82	out:
	83	return ret;
	84	}
	85
	86	EXPORT_SYMBOL(drm_sman_init);
	87
	88	static void drm_sman_mm_allocate(void private, unsigned long size,
	89	unsigned alignment)
	90	{
55910517 DA	91	struct drm_mm mm = (struct drm_mm ) private;
55910517 DA	92	struct drm_mm_node *tmp;
3a1bd924	93
a1d0fcf5	94	tmp = drm_mm_search_free(mm, size, alignment, 1);
3a1bd924 TH	95	if (!tmp) {
	96	return NULL;
	97	}
	98	tmp = drm_mm_get_block(tmp, size, alignment);
	99	return tmp;
	100	}
	101
	102	static void drm_sman_mm_free(void private, void ref)
	103	{
55910517	104	struct drm_mm_node node = (struct drm_mm_node ) ref;
3a1bd924	105
1d58420b	106	drm_mm_put_block(node);
3a1bd924 TH	107	}
	108
	109	static void drm_sman_mm_destroy(void *private)
	110	{
55910517	111	struct drm_mm mm = (struct drm_mm ) private;
3a1bd924 TH	112	drm_mm_takedown(mm);
	113	drm_free(mm, sizeof(*mm), DRM_MEM_MM);
	114	}
	115
fb41e54b	116	static unsigned long drm_sman_mm_offset(void private, void ref)
3a1bd924	117	{
55910517	118	struct drm_mm_node node = (struct drm_mm_node ) ref;
3a1bd924 TH	119	return node->start;
	120	}
	121
	122	int
9698b4db	123	drm_sman_set_range(struct drm_sman * sman, unsigned int manager,
3a1bd924 TH	124	unsigned long start, unsigned long size)
3a1bd924 TH	125	{
9698b4db	126	struct drm_sman_mm *sman_mm;
55910517	127	struct drm_mm *mm;
3a1bd924 TH	128	int ret;
	129
	130	BUG_ON(manager >= sman->num_managers);
	131
	132	sman_mm = &sman->mm[manager];
	133	mm = drm_calloc(1, sizeof(*mm), DRM_MEM_MM);
	134	if (!mm) {
	135	return -ENOMEM;
	136	}
	137	sman_mm->private = mm;
	138	ret = drm_mm_init(mm, start, size);
	139
	140	if (ret) {
	141	drm_free(mm, sizeof(*mm), DRM_MEM_MM);
	142	return ret;
	143	}
	144
	145	sman_mm->allocate = drm_sman_mm_allocate;
	146	sman_mm->free = drm_sman_mm_free;
	147	sman_mm->destroy = drm_sman_mm_destroy;
	148	sman_mm->offset = drm_sman_mm_offset;
	149
	150	return 0;
	151	}
	152
	153	EXPORT_SYMBOL(drm_sman_set_range);
	154
	155	int
9698b4db DA	156	drm_sman_set_manager(struct drm_sman * sman, unsigned int manager,
9698b4db DA	157	struct drm_sman_mm * allocator)
3a1bd924 TH	158	{
	159	BUG_ON(manager >= sman->num_managers);
	160	sman->mm[manager] = *allocator;
	161
	162	return 0;
	163	}
a1e85378	164	EXPORT_SYMBOL(drm_sman_set_manager);
3a1bd924	165
e0be428e	166	static struct drm_owner_item drm_sman_get_owner_item(struct drm_sman sman,
3a1bd924 TH	167	unsigned long owner)
	168	{
	169	int ret;
e0be428e DA	170	struct drm_hash_item *owner_hash_item;
e0be428e DA	171	struct drm_owner_item *owner_item;
3a1bd924 TH	172
	173	ret = drm_ht_find_item(&sman->owner_hash_tab, owner, &owner_hash_item);
	174	if (!ret) {
e0be428e	175	return drm_hash_entry(owner_hash_item, struct drm_owner_item,
3a1bd924 TH	176	owner_hash);
	177	}
	178
	179	owner_item = drm_calloc(1, sizeof(*owner_item), DRM_MEM_MM);
	180	if (!owner_item)
	181	goto out;
	182
	183	INIT_LIST_HEAD(&owner_item->mem_blocks);
	184	owner_item->owner_hash.key = owner;
	185	if (drm_ht_insert_item(&sman->owner_hash_tab, &owner_item->owner_hash))
	186	goto out1;
	187
	188	list_add_tail(&owner_item->sman_list, &sman->owner_items);
	189	return owner_item;
	190
	191	out1:
	192	drm_free(owner_item, sizeof(*owner_item), DRM_MEM_MM);
	193	out:
	194	return NULL;
	195	}
	196
9698b4db	197	struct drm_memblock_item drm_sman_alloc(struct drm_sman sman, unsigned int manager,
3a1bd924 TH	198	unsigned long size, unsigned alignment,
	199	unsigned long owner)
	200	{
	201	void *tmp;
9698b4db	202	struct drm_sman_mm *sman_mm;
e0be428e	203	struct drm_owner_item *owner_item;
9698b4db	204	struct drm_memblock_item *memblock;
3a1bd924 TH	205
	206	BUG_ON(manager >= sman->num_managers);
	207
	208	sman_mm = &sman->mm[manager];
	209	tmp = sman_mm->allocate(sman_mm->private, size, alignment);
	210
	211	if (!tmp) {
	212	return NULL;
	213	}
	214
	215	memblock = drm_calloc(1, sizeof(*memblock), DRM_MEM_MM);
	216
	217	if (!memblock)
	218	goto out;
	219
	220	memblock->mm_info = tmp;
	221	memblock->mm = sman_mm;
	222	memblock->sman = sman;
	223
	224	if (drm_ht_just_insert_please
	225	(&sman->user_hash_tab, &memblock->user_hash,
	226	(unsigned long)memblock, 32, 0, 0))
	227	goto out1;
	228
	229	owner_item = drm_sman_get_owner_item(sman, owner);
	230	if (!owner_item)
	231	goto out2;
	232
	233	list_add_tail(&memblock->owner_list, &owner_item->mem_blocks);
	234
	235	return memblock;
	236
	237	out2:
	238	drm_ht_remove_item(&sman->user_hash_tab, &memblock->user_hash);
	239	out1:
	240	drm_free(memblock, sizeof(*memblock), DRM_MEM_MM);
	241	out:
	242	sman_mm->free(sman_mm->private, tmp);
	243
	244	return NULL;
	245	}
	246
	247	EXPORT_SYMBOL(drm_sman_alloc);
	248
9698b4db	249	static void drm_sman_free(struct drm_memblock_item *item)
3a1bd924	250	{
9698b4db	251	struct drm_sman *sman = item->sman;
3a1bd924 TH	252
	253	list_del(&item->owner_list);
	254	drm_ht_remove_item(&sman->user_hash_tab, &item->user_hash);
	255	item->mm->free(item->mm->private, item->mm_info);
	256	drm_free(item, sizeof(*item), DRM_MEM_MM);
	257	}
	258
9698b4db	259	int drm_sman_free_key(struct drm_sman *sman, unsigned int key)
3a1bd924	260	{
e0be428e	261	struct drm_hash_item *hash_item;
9698b4db	262	struct drm_memblock_item *memblock_item;
3a1bd924 TH	263
	264	if (drm_ht_find_item(&sman->user_hash_tab, key, &hash_item))
	265	return -EINVAL;
	266
9698b4db DA	267	memblock_item = drm_hash_entry(hash_item, struct drm_memblock_item,
9698b4db DA	268	user_hash);
3a1bd924 TH	269	drm_sman_free(memblock_item);
	270	return 0;
	271	}
	272
	273	EXPORT_SYMBOL(drm_sman_free_key);
	274
9698b4db	275	static void drm_sman_remove_owner(struct drm_sman *sman,
e0be428e	276	struct drm_owner_item *owner_item)
3a1bd924 TH	277	{
	278	list_del(&owner_item->sman_list);
	279	drm_ht_remove_item(&sman->owner_hash_tab, &owner_item->owner_hash);
	280	drm_free(owner_item, sizeof(*owner_item), DRM_MEM_MM);
	281	}
	282
9698b4db	283	int drm_sman_owner_clean(struct drm_sman *sman, unsigned long owner)
3a1bd924 TH	284	{
3a1bd924 TH	285
e0be428e DA	286	struct drm_hash_item *hash_item;
e0be428e DA	287	struct drm_owner_item *owner_item;
3a1bd924 TH	288
	289	if (drm_ht_find_item(&sman->owner_hash_tab, owner, &hash_item)) {
	290	return -1;
	291	}
	292
e0be428e	293	owner_item = drm_hash_entry(hash_item, struct drm_owner_item, owner_hash);
3a1bd924 TH	294	if (owner_item->mem_blocks.next == &owner_item->mem_blocks) {
	295	drm_sman_remove_owner(sman, owner_item);
	296	return -1;
	297	}
	298
	299	return 0;
	300	}
	301
	302	EXPORT_SYMBOL(drm_sman_owner_clean);
	303
9698b4db	304	static void drm_sman_do_owner_cleanup(struct drm_sman *sman,
e0be428e	305	struct drm_owner_item *owner_item)
3a1bd924	306	{
9698b4db	307	struct drm_memblock_item entry, next;
3a1bd924 TH	308
	309	list_for_each_entry_safe(entry, next, &owner_item->mem_blocks,
	310	owner_list) {
	311	drm_sman_free(entry);
	312	}
	313	drm_sman_remove_owner(sman, owner_item);
	314	}
	315
9698b4db	316	void drm_sman_owner_cleanup(struct drm_sman *sman, unsigned long owner)
3a1bd924 TH	317	{
3a1bd924 TH	318
e0be428e DA	319	struct drm_hash_item *hash_item;
e0be428e DA	320	struct drm_owner_item *owner_item;
3a1bd924 TH	321
	322	if (drm_ht_find_item(&sman->owner_hash_tab, owner, &hash_item)) {
	323
	324	return;
	325	}
	326
e0be428e	327	owner_item = drm_hash_entry(hash_item, struct drm_owner_item, owner_hash);
3a1bd924 TH	328	drm_sman_do_owner_cleanup(sman, owner_item);
	329	}
	330
	331	EXPORT_SYMBOL(drm_sman_owner_cleanup);
	332
9698b4db	333	void drm_sman_cleanup(struct drm_sman *sman)
3a1bd924	334	{
e0be428e	335	struct drm_owner_item entry, next;
3a1bd924	336	unsigned int i;
9698b4db	337	struct drm_sman_mm *sman_mm;
3a1bd924 TH	338
	339	list_for_each_entry_safe(entry, next, &sman->owner_items, sman_list) {
	340	drm_sman_do_owner_cleanup(sman, entry);
	341	}
	342	if (sman->mm) {
	343	for (i = 0; i < sman->num_managers; ++i) {
	344	sman_mm = &sman->mm[i];
	345	if (sman_mm->private) {
	346	sman_mm->destroy(sman_mm->private);
	347	sman_mm->private = NULL;
	348	}
	349	}
	350	}
	351	}
	352
	353	EXPORT_SYMBOL(drm_sman_cleanup);