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1/*2 * Copyright © 2016 Intel Corporation3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice (including the next12 * paragraph) shall be included in all copies or substantial portions of the13 * Software.14 *15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS21 * IN THE SOFTWARE.22 *23 */24 25#include "mock_gtt.h"26 27static void mock_insert_page(struct i915_address_space *vm,28 dma_addr_t addr,29 u64 offset,30 unsigned int pat_index,31 u32 flags)32{33}34 35static void mock_insert_entries(struct i915_address_space *vm,36 struct i915_vma_resource *vma_res,37 unsigned int pat_index, u32 flags)38{39}40 41static void mock_bind_ppgtt(struct i915_address_space *vm,42 struct i915_vm_pt_stash *stash,43 struct i915_vma_resource *vma_res,44 unsigned int pat_index,45 u32 flags)46{47 GEM_BUG_ON(flags & I915_VMA_GLOBAL_BIND);48 vma_res->bound_flags |= flags;49}50 51static void mock_unbind_ppgtt(struct i915_address_space *vm,52 struct i915_vma_resource *vma_res)53{54}55 56static void mock_cleanup(struct i915_address_space *vm)57{58}59 60static void mock_clear_range(struct i915_address_space *vm,61 u64 start, u64 length)62{63}64 65struct i915_ppgtt *mock_ppgtt(struct drm_i915_private *i915, const char *name)66{67 struct i915_ppgtt *ppgtt;68 69 ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL);70 if (!ppgtt)71 return NULL;72 73 ppgtt->vm.gt = to_gt(i915);74 ppgtt->vm.i915 = i915;75 ppgtt->vm.total = round_down(U64_MAX, PAGE_SIZE);76 ppgtt->vm.dma = i915->drm.dev;77 78 i915_address_space_init(&ppgtt->vm, VM_CLASS_PPGTT);79 80 ppgtt->vm.alloc_pt_dma = alloc_pt_dma;81 ppgtt->vm.alloc_scratch_dma = alloc_pt_dma;82 83 ppgtt->vm.clear_range = mock_clear_range;84 ppgtt->vm.insert_page = mock_insert_page;85 ppgtt->vm.insert_entries = mock_insert_entries;86 ppgtt->vm.cleanup = mock_cleanup;87 88 ppgtt->vm.vma_ops.bind_vma = mock_bind_ppgtt;89 ppgtt->vm.vma_ops.unbind_vma = mock_unbind_ppgtt;90 91 return ppgtt;92}93 94static void mock_bind_ggtt(struct i915_address_space *vm,95 struct i915_vm_pt_stash *stash,96 struct i915_vma_resource *vma_res,97 unsigned int pat_index,98 u32 flags)99{100}101 102static void mock_unbind_ggtt(struct i915_address_space *vm,103 struct i915_vma_resource *vma_res)104{105}106 107void mock_init_ggtt(struct intel_gt *gt)108{109 struct i915_ggtt *ggtt = gt->ggtt;110 111 ggtt->vm.gt = gt;112 ggtt->vm.i915 = gt->i915;113 ggtt->vm.is_ggtt = true;114 115 ggtt->gmadr = DEFINE_RES_MEM(0, 2048 * PAGE_SIZE);116 ggtt->mappable_end = resource_size(&ggtt->gmadr);117 ggtt->vm.total = 4096 * PAGE_SIZE;118 119 ggtt->vm.alloc_pt_dma = alloc_pt_dma;120 ggtt->vm.alloc_scratch_dma = alloc_pt_dma;121 122 ggtt->vm.clear_range = mock_clear_range;123 ggtt->vm.insert_page = mock_insert_page;124 ggtt->vm.insert_entries = mock_insert_entries;125 ggtt->vm.cleanup = mock_cleanup;126 127 ggtt->vm.vma_ops.bind_vma = mock_bind_ggtt;128 ggtt->vm.vma_ops.unbind_vma = mock_unbind_ggtt;129 130 i915_address_space_init(&ggtt->vm, VM_CLASS_GGTT);131}132 133void mock_fini_ggtt(struct i915_ggtt *ggtt)134{135 i915_address_space_fini(&ggtt->vm);136}137