diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/include/hmm/hmm_pool.h')
-rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/include/hmm/hmm_pool.h | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/include/hmm/hmm_pool.h b/drivers/staging/media/atomisp/pci/atomisp2/include/hmm/hmm_pool.h deleted file mode 100644 index bf24e44..0000000 --- a/drivers/staging/media/atomisp/pci/atomisp2/include/hmm/hmm_pool.h +++ /dev/null @@ -1,115 +0,0 @@ -/* - * Support for Medifield PNW Camera Imaging ISP subsystem. - * - * Copyright (c) 2010 Intel Corporation. All Rights Reserved. - * - * Copyright (c) 2010 Silicon Hive www.siliconhive.com. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * - */ -#ifndef __HMM_POOL_H__ -#define __HMM_POOL_H__ - -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/list.h> -#include <linux/spinlock.h> -#include <linux/mutex.h> -#include <linux/kref.h> -#include "hmm_common.h" -#include "hmm/hmm_bo.h" - -#define ALLOC_PAGE_FAIL_NUM 5 - -enum hmm_pool_type { - HMM_POOL_TYPE_RESERVED, - HMM_POOL_TYPE_DYNAMIC, -}; - -/** - * struct hmm_pool_ops - memory pool callbacks. - * - * @pool_init: initialize the memory pool. - * @pool_exit: uninitialize the memory pool. - * @pool_alloc_pages: allocate pages from memory pool. - * @pool_free_pages: free pages to memory pool. - * @pool_inited: check whether memory pool is initialized. - */ -struct hmm_pool_ops { - int (*pool_init)(void **pool, unsigned int pool_size); - void (*pool_exit)(void **pool); - unsigned int (*pool_alloc_pages)(void *pool, - struct hmm_page_object *page_obj, - unsigned int size, bool cached); - void (*pool_free_pages)(void *pool, - struct hmm_page_object *page_obj); - int (*pool_inited)(void *pool); -}; - -struct hmm_pool { - struct hmm_pool_ops *pops; - - void *pool_info; -}; - -/** - * struct hmm_reserved_pool_info - represents reserved pool private data. - * @pages: a array that store physical pages. - * The array is as reserved memory pool. - * @index: to indicate the first blank page number - * in reserved memory pool(pages array). - * @pgnr: the valid page amount in reserved memory - * pool. - * @list_lock: list lock is used to protect the operation - * to reserved memory pool. - * @flag: reserved memory pool state flag. - */ -struct hmm_reserved_pool_info { - struct page **pages; - - unsigned int index; - unsigned int pgnr; - spinlock_t list_lock; - bool initialized; -}; - -/** - * struct hmm_dynamic_pool_info - represents dynamic pool private data. - * @pages_list: a list that store physical pages. - * The pages list is as dynamic memory pool. - * @list_lock: list lock is used to protect the operation - * to dynamic memory pool. - * @flag: dynamic memory pool state flag. - * @pgptr_cache: struct kmem_cache, manages a cache. - */ -struct hmm_dynamic_pool_info { - struct list_head pages_list; - - /* list lock is used to protect the free pages block lists */ - spinlock_t list_lock; - - struct kmem_cache *pgptr_cache; - bool initialized; - - unsigned int pool_size; - unsigned int pgnr; -}; - -struct hmm_page { - struct page *page; - struct list_head list; -}; - -extern struct hmm_pool_ops reserved_pops; -extern struct hmm_pool_ops dynamic_pops; - -#endif |