[mirror_ubuntu-bionic-kernel.git] / drivers / gpu / drm / i915 / selftests / mock_gtt.c

/*
 * Copyright © 2016 Intel Corporation
 *
 * 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 (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 NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS 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.
 *
 */

#include "mock_gtt.h"

static void mock_insert_page(struct i915_address_space *vm,
			     dma_addr_t addr,
			     u64 offset,
			     enum i915_cache_level level,
			     u32 flags)
{
}

static void mock_insert_entries(struct i915_address_space *vm,
				struct i915_vma *vma,
				enum i915_cache_level level, u32 flags)
{
}

static int mock_bind_ppgtt(struct i915_vma *vma,
			   enum i915_cache_level cache_level,
			   u32 flags)
{
	GEM_BUG_ON(flags & I915_VMA_GLOBAL_BIND);
	vma->flags |= I915_VMA_LOCAL_BIND;
	return 0;
}

static void mock_unbind_ppgtt(struct i915_vma *vma)
{
}

static void mock_cleanup(struct i915_address_space *vm)
{
}

struct i915_hw_ppgtt *
mock_ppgtt(struct drm_i915_private *i915,
	   const char *name)
{
	struct i915_hw_ppgtt *ppgtt;

	ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL);
	if (!ppgtt)
		return NULL;

	kref_init(&ppgtt->ref);
	ppgtt->base.i915 = i915;
	ppgtt->base.total = round_down(U64_MAX, PAGE_SIZE);
	ppgtt->base.file = ERR_PTR(-ENODEV);

	INIT_LIST_HEAD(&ppgtt->base.active_list);
	INIT_LIST_HEAD(&ppgtt->base.inactive_list);
	INIT_LIST_HEAD(&ppgtt->base.unbound_list);

	INIT_LIST_HEAD(&ppgtt->base.global_link);
	drm_mm_init(&ppgtt->base.mm, 0, ppgtt->base.total);
	i915_gem_timeline_init(i915, &ppgtt->base.timeline, name);

	ppgtt->base.clear_range = nop_clear_range;
	ppgtt->base.insert_page = mock_insert_page;
	ppgtt->base.insert_entries = mock_insert_entries;
	ppgtt->base.bind_vma = mock_bind_ppgtt;
	ppgtt->base.unbind_vma = mock_unbind_ppgtt;
	ppgtt->base.set_pages = ppgtt_set_pages;
	ppgtt->base.clear_pages = clear_pages;
	ppgtt->base.cleanup = mock_cleanup;

	return ppgtt;
}

static int mock_bind_ggtt(struct i915_vma *vma,
			  enum i915_cache_level cache_level,
			  u32 flags)
{
	vma->flags |= I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND;
	return 0;
}

static void mock_unbind_ggtt(struct i915_vma *vma)
{
}

void mock_init_ggtt(struct drm_i915_private *i915)
{
	struct i915_ggtt *ggtt = &i915->ggtt;

	INIT_LIST_HEAD(&i915->vm_list);

	ggtt->base.i915 = i915;

	ggtt->mappable_base = 0;
	ggtt->mappable_end = 2048 * PAGE_SIZE;
	ggtt->base.total = 4096 * PAGE_SIZE;

	ggtt->base.clear_range = nop_clear_range;
	ggtt->base.insert_page = mock_insert_page;
	ggtt->base.insert_entries = mock_insert_entries;
	ggtt->base.bind_vma = mock_bind_ggtt;
	ggtt->base.unbind_vma = mock_unbind_ggtt;
	ggtt->base.set_pages = ggtt_set_pages;
	ggtt->base.clear_pages = clear_pages;
	ggtt->base.cleanup = mock_cleanup;

	i915_address_space_init(&ggtt->base, i915, "global");
}

void mock_fini_ggtt(struct drm_i915_private *i915)
{
	struct i915_ggtt *ggtt = &i915->ggtt;

	i915_address_space_fini(&ggtt->base);
}
Commit	Line	Data
3b5bb0a3 CW	1	/*
	2	* Copyright © 2016 Intel Corporation
	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 (including the next
	12	* paragraph) shall be included in all copies or substantial portions of the
	13	* Software.
	14	*
	15	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	16	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	18	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	19	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
	20	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
	21	* IN THE SOFTWARE.
	22	*
	23	*/
	24
	25	#include "mock_gtt.h"
	26
	27	static void mock_insert_page(struct i915_address_space *vm,
	28	dma_addr_t addr,
	29	u64 offset,
	30	enum i915_cache_level level,
	31	u32 flags)
	32	{
	33	}
	34
	35	static void mock_insert_entries(struct i915_address_space *vm,
4a234c5f	36	struct i915_vma *vma,
3b5bb0a3 CW	37	enum i915_cache_level level, u32 flags)
	38	{
	39	}
	40
	41	static int mock_bind_ppgtt(struct i915_vma *vma,
	42	enum i915_cache_level cache_level,
	43	u32 flags)
	44	{
	45	GEM_BUG_ON(flags & I915_VMA_GLOBAL_BIND);
3b5bb0a3 CW	46	vma->flags \|= I915_VMA_LOCAL_BIND;
	47	return 0;
	48	}
	49
	50	static void mock_unbind_ppgtt(struct i915_vma *vma)
	51	{
	52	}
	53
	54	static void mock_cleanup(struct i915_address_space *vm)
	55	{
	56	}
	57
	58	struct i915_hw_ppgtt *
	59	mock_ppgtt(struct drm_i915_private *i915,
	60	const char *name)
	61	{
	62	struct i915_hw_ppgtt *ppgtt;
	63
	64	ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL);
	65	if (!ppgtt)
	66	return NULL;
	67
	68	kref_init(&ppgtt->ref);
	69	ppgtt->base.i915 = i915;
	70	ppgtt->base.total = round_down(U64_MAX, PAGE_SIZE);
	71	ppgtt->base.file = ERR_PTR(-ENODEV);
	72
	73	INIT_LIST_HEAD(&ppgtt->base.active_list);
	74	INIT_LIST_HEAD(&ppgtt->base.inactive_list);
	75	INIT_LIST_HEAD(&ppgtt->base.unbound_list);
	76
	77	INIT_LIST_HEAD(&ppgtt->base.global_link);
	78	drm_mm_init(&ppgtt->base.mm, 0, ppgtt->base.total);
	79	i915_gem_timeline_init(i915, &ppgtt->base.timeline, name);
	80
	81	ppgtt->base.clear_range = nop_clear_range;
	82	ppgtt->base.insert_page = mock_insert_page;
	83	ppgtt->base.insert_entries = mock_insert_entries;
	84	ppgtt->base.bind_vma = mock_bind_ppgtt;
	85	ppgtt->base.unbind_vma = mock_unbind_ppgtt;
fa3f46af MA	86	ppgtt->base.set_pages = ppgtt_set_pages;
fa3f46af MA	87	ppgtt->base.clear_pages = clear_pages;
3b5bb0a3 CW	88	ppgtt->base.cleanup = mock_cleanup;
	89
	90	return ppgtt;
	91	}
	92
	93	static int mock_bind_ggtt(struct i915_vma *vma,
	94	enum i915_cache_level cache_level,
	95	u32 flags)
	96	{
3b5bb0a3 CW	97	vma->flags \|= I915_VMA_GLOBAL_BIND \| I915_VMA_LOCAL_BIND;
	98	return 0;
	99	}
	100
	101	static void mock_unbind_ggtt(struct i915_vma *vma)
	102	{
	103	}
	104
	105	void mock_init_ggtt(struct drm_i915_private *i915)
	106	{
	107	struct i915_ggtt *ggtt = &i915->ggtt;
	108
	109	INIT_LIST_HEAD(&i915->vm_list);
	110
	111	ggtt->base.i915 = i915;
	112
	113	ggtt->mappable_base = 0;
	114	ggtt->mappable_end = 2048 * PAGE_SIZE;
	115	ggtt->base.total = 4096 * PAGE_SIZE;
	116
	117	ggtt->base.clear_range = nop_clear_range;
	118	ggtt->base.insert_page = mock_insert_page;
	119	ggtt->base.insert_entries = mock_insert_entries;
	120	ggtt->base.bind_vma = mock_bind_ggtt;
	121	ggtt->base.unbind_vma = mock_unbind_ggtt;
fa3f46af MA	122	ggtt->base.set_pages = ggtt_set_pages;
fa3f46af MA	123	ggtt->base.clear_pages = clear_pages;
3b5bb0a3 CW	124	ggtt->base.cleanup = mock_cleanup;
	125
	126	i915_address_space_init(&ggtt->base, i915, "global");
	127	}
	128
	129	void mock_fini_ggtt(struct drm_i915_private *i915)
	130	{
	131	struct i915_ggtt *ggtt = &i915->ggtt;
	132
	133	i915_address_space_fini(&ggtt->base);
	134	}