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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h122
1 files changed, 122 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
new file mode 100644
index 000000000..8b3cc6687
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
@@ -0,0 +1,122 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, 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.
+ *
+ */
+
+#ifndef __AMDGPU_TTM_H__
+#define __AMDGPU_TTM_H__
+
+#include "amdgpu.h"
+#include <drm/gpu_scheduler.h>
+
+#define AMDGPU_PL_GDS (TTM_PL_PRIV + 0)
+#define AMDGPU_PL_GWS (TTM_PL_PRIV + 1)
+#define AMDGPU_PL_OA (TTM_PL_PRIV + 2)
+
+#define AMDGPU_PL_FLAG_GDS (TTM_PL_FLAG_PRIV << 0)
+#define AMDGPU_PL_FLAG_GWS (TTM_PL_FLAG_PRIV << 1)
+#define AMDGPU_PL_FLAG_OA (TTM_PL_FLAG_PRIV << 2)
+
+#define AMDGPU_GTT_MAX_TRANSFER_SIZE 512
+#define AMDGPU_GTT_NUM_TRANSFER_WINDOWS 2
+
+struct amdgpu_mman {
+ struct ttm_bo_global_ref bo_global_ref;
+ struct drm_global_reference mem_global_ref;
+ struct ttm_bo_device bdev;
+ bool mem_global_referenced;
+ bool initialized;
+ void __iomem *aper_base_kaddr;
+
+#if defined(CONFIG_DEBUG_FS)
+ struct dentry *debugfs_entries[8];
+#endif
+
+ /* buffer handling */
+ const struct amdgpu_buffer_funcs *buffer_funcs;
+ struct amdgpu_ring *buffer_funcs_ring;
+ bool buffer_funcs_enabled;
+
+ struct mutex gtt_window_lock;
+ /* Scheduler entity for buffer moves */
+ struct drm_sched_entity entity;
+};
+
+struct amdgpu_copy_mem {
+ struct ttm_buffer_object *bo;
+ struct ttm_mem_reg *mem;
+ unsigned long offset;
+};
+
+extern const struct ttm_mem_type_manager_func amdgpu_gtt_mgr_func;
+extern const struct ttm_mem_type_manager_func amdgpu_vram_mgr_func;
+
+bool amdgpu_gtt_mgr_has_gart_addr(struct ttm_mem_reg *mem);
+uint64_t amdgpu_gtt_mgr_usage(struct ttm_mem_type_manager *man);
+int amdgpu_gtt_mgr_recover(struct ttm_mem_type_manager *man);
+
+u64 amdgpu_vram_mgr_bo_visible_size(struct amdgpu_bo *bo);
+uint64_t amdgpu_vram_mgr_usage(struct ttm_mem_type_manager *man);
+uint64_t amdgpu_vram_mgr_vis_usage(struct ttm_mem_type_manager *man);
+
+int amdgpu_ttm_init(struct amdgpu_device *adev);
+void amdgpu_ttm_late_init(struct amdgpu_device *adev);
+void amdgpu_ttm_fini(struct amdgpu_device *adev);
+void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev,
+ bool enable);
+
+int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
+ uint64_t dst_offset, uint32_t byte_count,
+ struct reservation_object *resv,
+ struct dma_fence **fence, bool direct_submit,
+ bool vm_needs_flush);
+int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
+ struct amdgpu_copy_mem *src,
+ struct amdgpu_copy_mem *dst,
+ uint64_t size,
+ struct reservation_object *resv,
+ struct dma_fence **f);
+int amdgpu_fill_buffer(struct amdgpu_bo *bo,
+ uint32_t src_data,
+ struct reservation_object *resv,
+ struct dma_fence **fence);
+
+int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma);
+int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo);
+int amdgpu_ttm_recover_gart(struct ttm_buffer_object *tbo);
+
+int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages);
+void amdgpu_ttm_tt_set_user_pages(struct ttm_tt *ttm, struct page **pages);
+void amdgpu_ttm_tt_mark_user_pages(struct ttm_tt *ttm);
+int amdgpu_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr,
+ uint32_t flags);
+bool amdgpu_ttm_tt_has_userptr(struct ttm_tt *ttm);
+struct mm_struct *amdgpu_ttm_tt_get_usermm(struct ttm_tt *ttm);
+bool amdgpu_ttm_tt_affect_userptr(struct ttm_tt *ttm, unsigned long start,
+ unsigned long end);
+bool amdgpu_ttm_tt_userptr_invalidated(struct ttm_tt *ttm,
+ int *last_invalidated);
+bool amdgpu_ttm_tt_userptr_needs_pages(struct ttm_tt *ttm);
+bool amdgpu_ttm_tt_is_readonly(struct ttm_tt *ttm);
+uint64_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm,
+ struct ttm_mem_reg *mem);
+
+#endif