[deliverable/linux.git] / drivers / gpu / drm / qxl / qxl_object.h

/*
 * Copyright 2013 Red Hat Inc.
 *
 * 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, sublicense,
 * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
 *
 * Authors: Dave Airlie
 *          Alon Levy
 */
#ifndef QXL_OBJECT_H
#define QXL_OBJECT_H

#include "qxl_drv.h"

static inline int qxl_bo_reserve(struct qxl_bo *bo, bool no_wait)
{
	int r;

	r = ttm_bo_reserve(&bo->tbo, true, no_wait, NULL);
	if (unlikely(r != 0)) {
		if (r != -ERESTARTSYS) {
			struct qxl_device *qdev = (struct qxl_device *)bo->gem_base.dev->dev_private;
			dev_err(qdev->dev, "%p reserve failed\n", bo);
		}
		return r;
	}
	return 0;
}

static inline void qxl_bo_unreserve(struct qxl_bo *bo)
{
	ttm_bo_unreserve(&bo->tbo);
}

static inline u64 qxl_bo_gpu_offset(struct qxl_bo *bo)
{
	return bo->tbo.offset;
}

static inline unsigned long qxl_bo_size(struct qxl_bo *bo)
{
	return bo->tbo.num_pages << PAGE_SHIFT;
}

static inline u64 qxl_bo_mmap_offset(struct qxl_bo *bo)
{
	return drm_vma_node_offset_addr(&bo->tbo.vma_node);
}

static inline int qxl_bo_wait(struct qxl_bo *bo, u32 *mem_type,
			      bool no_wait)
{
	int r;

	r = ttm_bo_reserve(&bo->tbo, true, no_wait, NULL);
	if (unlikely(r != 0)) {
		if (r != -ERESTARTSYS) {
			struct qxl_device *qdev = (struct qxl_device *)bo->gem_base.dev->dev_private;
			dev_err(qdev->dev, "%p reserve failed for wait\n",
				bo);
		}
		return r;
	}
	if (mem_type)
		*mem_type = bo->tbo.mem.mem_type;

	r = ttm_bo_wait(&bo->tbo, true, no_wait);
	ttm_bo_unreserve(&bo->tbo);
	return r;
}

extern int qxl_bo_create(struct qxl_device *qdev,
			 unsigned long size,
			 bool kernel, bool pinned, u32 domain,
			 struct qxl_surface *surf,
			 struct qxl_bo **bo_ptr);
extern int qxl_bo_kmap(struct qxl_bo *bo, void **ptr);
extern void qxl_bo_kunmap(struct qxl_bo *bo);
void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, int page_offset);
void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, void *map);
extern struct qxl_bo *qxl_bo_ref(struct qxl_bo *bo);
extern void qxl_bo_unref(struct qxl_bo **bo);
extern int qxl_bo_pin(struct qxl_bo *bo, u32 domain, u64 *gpu_addr);
extern int qxl_bo_unpin(struct qxl_bo *bo);
extern void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain, bool pinned);
extern bool qxl_ttm_bo_is_qxl_bo(struct ttm_buffer_object *bo);

#endif
Commit	Line	Data
f64122c1 DA	1	/*
	2	* Copyright 2013 Red Hat Inc.
	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a
	5	* copy of this software and associated documentation files (the "Software"),
	6	* to deal in the Software without restriction, including without limitation
	7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	8	* and/or sell copies of the Software, and to permit persons to whom the
	9	* Software is furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice shall be included in
	12	* all copies or substantial portions of the Software.
	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 NONINFRINGEMENT. IN NO EVENT SHALL
	17	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
	18	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	19	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	20	* OTHER DEALINGS IN THE SOFTWARE.
	21	*
	22	* Authors: Dave Airlie
	23	* Alon Levy
	24	*/
	25	#ifndef QXL_OBJECT_H
	26	#define QXL_OBJECT_H
	27
	28	#include "qxl_drv.h"
	29
	30	static inline int qxl_bo_reserve(struct qxl_bo *bo, bool no_wait)
	31	{
	32	int r;
	33
dfd5e50e	34	r = ttm_bo_reserve(&bo->tbo, true, no_wait, NULL);
f64122c1 DA	35	if (unlikely(r != 0)) {
	36	if (r != -ERESTARTSYS) {
	37	struct qxl_device qdev = (struct qxl_device )bo->gem_base.dev->dev_private;
	38	dev_err(qdev->dev, "%p reserve failed\n", bo);
	39	}
	40	return r;
	41	}
	42	return 0;
	43	}
	44
	45	static inline void qxl_bo_unreserve(struct qxl_bo *bo)
	46	{
	47	ttm_bo_unreserve(&bo->tbo);
	48	}
	49
	50	static inline u64 qxl_bo_gpu_offset(struct qxl_bo *bo)
	51	{
	52	return bo->tbo.offset;
	53	}
	54
	55	static inline unsigned long qxl_bo_size(struct qxl_bo *bo)
	56	{
	57	return bo->tbo.num_pages << PAGE_SHIFT;
	58	}
	59
f64122c1 DA	60	static inline u64 qxl_bo_mmap_offset(struct qxl_bo *bo)
f64122c1 DA	61	{
72525b3f	62	return drm_vma_node_offset_addr(&bo->tbo.vma_node);
f64122c1 DA	63	}
	64
	65	static inline int qxl_bo_wait(struct qxl_bo bo, u32 mem_type,
	66	bool no_wait)
	67	{
	68	int r;
	69
dfd5e50e	70	r = ttm_bo_reserve(&bo->tbo, true, no_wait, NULL);
f64122c1 DA	71	if (unlikely(r != 0)) {
	72	if (r != -ERESTARTSYS) {
	73	struct qxl_device qdev = (struct qxl_device )bo->gem_base.dev->dev_private;
	74	dev_err(qdev->dev, "%p reserve failed for wait\n",
	75	bo);
	76	}
	77	return r;
	78	}
f64122c1 DA	79	if (mem_type)
f64122c1 DA	80	*mem_type = bo->tbo.mem.mem_type;
f2c24b83	81
8aa6d4fc	82	r = ttm_bo_wait(&bo->tbo, true, no_wait);
f64122c1 DA	83	ttm_bo_unreserve(&bo->tbo);
	84	return r;
	85	}
	86
	87	extern int qxl_bo_create(struct qxl_device *qdev,
	88	unsigned long size,
4f49ec92	89	bool kernel, bool pinned, u32 domain,
f64122c1 DA	90	struct qxl_surface *surf,
	91	struct qxl_bo **bo_ptr);
	92	extern int qxl_bo_kmap(struct qxl_bo bo, void *ptr);
	93	extern void qxl_bo_kunmap(struct qxl_bo *bo);
	94	void qxl_bo_kmap_atomic_page(struct qxl_device qdev, struct qxl_bo *bo, int page_offset);
	95	void qxl_bo_kunmap_atomic_page(struct qxl_device qdev, struct qxl_bo bo, void *map);
	96	extern struct qxl_bo qxl_bo_ref(struct qxl_bo bo);
	97	extern void qxl_bo_unref(struct qxl_bo **bo);
	98	extern int qxl_bo_pin(struct qxl_bo bo, u32 domain, u64 gpu_addr);
	99	extern int qxl_bo_unpin(struct qxl_bo *bo);
4f49ec92	100	extern void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain, bool pinned);
f64122c1 DA	101	extern bool qxl_ttm_bo_is_qxl_bo(struct ttm_buffer_object *bo);
f64122c1 DA	102
f64122c1	103	#endif