diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/ttm_memory.h')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/ttm_memory.h | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/drivers/gpu/drm/vmwgfx/ttm_memory.h b/drivers/gpu/drm/vmwgfx/ttm_memory.h deleted file mode 100644 index c50dba774485..000000000000 --- a/drivers/gpu/drm/vmwgfx/ttm_memory.h +++ /dev/null @@ -1,96 +0,0 @@ -/************************************************************************** - * - * Copyright (c) 2006-2009 VMware, Inc., Palo Alto, CA., 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 above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * 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. - * - **************************************************************************/ - -#ifndef TTM_MEMORY_H -#define TTM_MEMORY_H - -#include <linux/workqueue.h> -#include <linux/spinlock.h> -#include <linux/bug.h> -#include <linux/wait.h> -#include <linux/errno.h> -#include <linux/kobject.h> -#include <linux/mm.h> - -#include <drm/ttm/ttm_bo_api.h> - -/** - * struct ttm_mem_global - Global memory accounting structure. - * - * @shrink: A single callback to shrink TTM memory usage. Extend this - * to a linked list to be able to handle multiple callbacks when needed. - * @swap_queue: A workqueue to handle shrinking in low memory situations. We - * need a separate workqueue since it will spend a lot of time waiting - * for the GPU, and this will otherwise block other workqueue tasks(?) - * At this point we use only a single-threaded workqueue. - * @work: The workqueue callback for the shrink queue. - * @lock: Lock to protect the @shrink - and the memory accounting members, - * that is, essentially the whole structure with some exceptions. - * @lower_mem_limit: include lower limit of swap space and lower limit of - * system memory. - * @zones: Array of pointers to accounting zones. - * @num_zones: Number of populated entries in the @zones array. - * @zone_kernel: Pointer to the kernel zone. - * @zone_highmem: Pointer to the highmem zone if there is one. - * @zone_dma32: Pointer to the dma32 zone if there is one. - * - * Note that this structure is not per device. It should be global for all - * graphics devices. - */ - -#define TTM_MEM_MAX_ZONES 2 -struct ttm_mem_zone; -extern struct ttm_mem_global { - struct kobject kobj; - struct workqueue_struct *swap_queue; - struct work_struct work; - spinlock_t lock; - uint64_t lower_mem_limit; - struct ttm_mem_zone *zones[TTM_MEM_MAX_ZONES]; - unsigned int num_zones; - struct ttm_mem_zone *zone_kernel; -#ifdef CONFIG_HIGHMEM - struct ttm_mem_zone *zone_highmem; -#else - struct ttm_mem_zone *zone_dma32; -#endif -} ttm_mem_glob; - -int ttm_mem_global_init(struct ttm_mem_global *glob, struct device *dev); -void ttm_mem_global_release(struct ttm_mem_global *glob); -int ttm_mem_global_alloc(struct ttm_mem_global *glob, uint64_t memory, - struct ttm_operation_ctx *ctx); -void ttm_mem_global_free(struct ttm_mem_global *glob, uint64_t amount); -int ttm_mem_global_alloc_page(struct ttm_mem_global *glob, - struct page *page, uint64_t size, - struct ttm_operation_ctx *ctx); -void ttm_mem_global_free_page(struct ttm_mem_global *glob, - struct page *page, uint64_t size); -size_t ttm_round_pot(size_t size); -bool ttm_check_under_lowerlimit(struct ttm_mem_global *glob, uint64_t num_pages, - struct ttm_operation_ctx *ctx); -#endif |