139 lines
3.7 KiB
C
139 lines
3.7 KiB
C
/*
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* Copyright © 2016 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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*/
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#include "mock_gtt.h"
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static void mock_insert_page(struct i915_address_space *vm,
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dma_addr_t addr,
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u64 offset,
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enum i915_cache_level level,
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u32 flags)
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{
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}
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static void mock_insert_entries(struct i915_address_space *vm,
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struct sg_table *st,
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u64 start,
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enum i915_cache_level level, u32 flags)
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{
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}
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static int mock_bind_ppgtt(struct i915_vma *vma,
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enum i915_cache_level cache_level,
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u32 flags)
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{
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GEM_BUG_ON(flags & I915_VMA_GLOBAL_BIND);
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vma->pages = vma->obj->mm.pages;
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vma->flags |= I915_VMA_LOCAL_BIND;
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return 0;
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}
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static void mock_unbind_ppgtt(struct i915_vma *vma)
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{
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}
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static void mock_cleanup(struct i915_address_space *vm)
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{
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}
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struct i915_hw_ppgtt *
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mock_ppgtt(struct drm_i915_private *i915,
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const char *name)
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{
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struct i915_hw_ppgtt *ppgtt;
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ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL);
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if (!ppgtt)
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return NULL;
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kref_init(&ppgtt->ref);
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ppgtt->base.i915 = i915;
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ppgtt->base.total = round_down(U64_MAX, PAGE_SIZE);
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ppgtt->base.file = ERR_PTR(-ENODEV);
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INIT_LIST_HEAD(&ppgtt->base.active_list);
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INIT_LIST_HEAD(&ppgtt->base.inactive_list);
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INIT_LIST_HEAD(&ppgtt->base.unbound_list);
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INIT_LIST_HEAD(&ppgtt->base.global_link);
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drm_mm_init(&ppgtt->base.mm, 0, ppgtt->base.total);
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i915_gem_timeline_init(i915, &ppgtt->base.timeline, name);
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ppgtt->base.clear_range = nop_clear_range;
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ppgtt->base.insert_page = mock_insert_page;
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ppgtt->base.insert_entries = mock_insert_entries;
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ppgtt->base.bind_vma = mock_bind_ppgtt;
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ppgtt->base.unbind_vma = mock_unbind_ppgtt;
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ppgtt->base.cleanup = mock_cleanup;
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return ppgtt;
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}
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static int mock_bind_ggtt(struct i915_vma *vma,
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enum i915_cache_level cache_level,
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u32 flags)
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{
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int err;
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err = i915_get_ggtt_vma_pages(vma);
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if (err)
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return err;
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vma->flags |= I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND;
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return 0;
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}
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static void mock_unbind_ggtt(struct i915_vma *vma)
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{
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}
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void mock_init_ggtt(struct drm_i915_private *i915)
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{
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struct i915_ggtt *ggtt = &i915->ggtt;
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INIT_LIST_HEAD(&i915->vm_list);
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ggtt->base.i915 = i915;
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ggtt->mappable_base = 0;
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ggtt->mappable_end = 2048 * PAGE_SIZE;
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ggtt->base.total = 4096 * PAGE_SIZE;
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ggtt->base.clear_range = nop_clear_range;
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ggtt->base.insert_page = mock_insert_page;
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ggtt->base.insert_entries = mock_insert_entries;
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ggtt->base.bind_vma = mock_bind_ggtt;
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ggtt->base.unbind_vma = mock_unbind_ggtt;
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ggtt->base.cleanup = mock_cleanup;
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i915_address_space_init(&ggtt->base, i915, "global");
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}
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void mock_fini_ggtt(struct drm_i915_private *i915)
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{
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struct i915_ggtt *ggtt = &i915->ggtt;
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i915_address_space_fini(&ggtt->base);
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}
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