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-rw-r--r--kernel/drivers/gpu/drm/radeon/radeon_object.h196
1 files changed, 196 insertions, 0 deletions
diff --git a/kernel/drivers/gpu/drm/radeon/radeon_object.h b/kernel/drivers/gpu/drm/radeon/radeon_object.h
new file mode 100644
index 000000000..d8d295ee7
--- /dev/null
+++ b/kernel/drivers/gpu/drm/radeon/radeon_object.h
@@ -0,0 +1,196 @@
+/*
+ * Copyright 2008 Advanced Micro Devices, Inc.
+ * Copyright 2008 Red Hat Inc.
+ * Copyright 2009 Jerome Glisse.
+ *
+ * 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
+ * Alex Deucher
+ * Jerome Glisse
+ */
+#ifndef __RADEON_OBJECT_H__
+#define __RADEON_OBJECT_H__
+
+#include <drm/radeon_drm.h>
+#include "radeon.h"
+
+/**
+ * radeon_mem_type_to_domain - return domain corresponding to mem_type
+ * @mem_type: ttm memory type
+ *
+ * Returns corresponding domain of the ttm mem_type
+ */
+static inline unsigned radeon_mem_type_to_domain(u32 mem_type)
+{
+ switch (mem_type) {
+ case TTM_PL_VRAM:
+ return RADEON_GEM_DOMAIN_VRAM;
+ case TTM_PL_TT:
+ return RADEON_GEM_DOMAIN_GTT;
+ case TTM_PL_SYSTEM:
+ return RADEON_GEM_DOMAIN_CPU;
+ default:
+ break;
+ }
+ return 0;
+}
+
+/**
+ * radeon_bo_reserve - reserve bo
+ * @bo: bo structure
+ * @no_intr: don't return -ERESTARTSYS on pending signal
+ *
+ * Returns:
+ * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by
+ * a signal. Release all buffer reservations and return to user-space.
+ */
+static inline int radeon_bo_reserve(struct radeon_bo *bo, bool no_intr)
+{
+ int r;
+
+ r = ttm_bo_reserve(&bo->tbo, !no_intr, false, false, NULL);
+ if (unlikely(r != 0)) {
+ if (r != -ERESTARTSYS)
+ dev_err(bo->rdev->dev, "%p reserve failed\n", bo);
+ return r;
+ }
+ return 0;
+}
+
+static inline void radeon_bo_unreserve(struct radeon_bo *bo)
+{
+ ttm_bo_unreserve(&bo->tbo);
+}
+
+/**
+ * radeon_bo_gpu_offset - return GPU offset of bo
+ * @bo: radeon object for which we query the offset
+ *
+ * Returns current GPU offset of the object.
+ *
+ * Note: object should either be pinned or reserved when calling this
+ * function, it might be useful to add check for this for debugging.
+ */
+static inline u64 radeon_bo_gpu_offset(struct radeon_bo *bo)
+{
+ return bo->tbo.offset;
+}
+
+static inline unsigned long radeon_bo_size(struct radeon_bo *bo)
+{
+ return bo->tbo.num_pages << PAGE_SHIFT;
+}
+
+static inline unsigned radeon_bo_ngpu_pages(struct radeon_bo *bo)
+{
+ return (bo->tbo.num_pages << PAGE_SHIFT) / RADEON_GPU_PAGE_SIZE;
+}
+
+static inline unsigned radeon_bo_gpu_page_alignment(struct radeon_bo *bo)
+{
+ return (bo->tbo.mem.page_alignment << PAGE_SHIFT) / RADEON_GPU_PAGE_SIZE;
+}
+
+/**
+ * radeon_bo_mmap_offset - return mmap offset of bo
+ * @bo: radeon object for which we query the offset
+ *
+ * Returns mmap offset of the object.
+ */
+static inline u64 radeon_bo_mmap_offset(struct radeon_bo *bo)
+{
+ return drm_vma_node_offset_addr(&bo->tbo.vma_node);
+}
+
+extern int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type,
+ bool no_wait);
+
+extern int radeon_bo_create(struct radeon_device *rdev,
+ unsigned long size, int byte_align,
+ bool kernel, u32 domain, u32 flags,
+ struct sg_table *sg,
+ struct reservation_object *resv,
+ struct radeon_bo **bo_ptr);
+extern int radeon_bo_kmap(struct radeon_bo *bo, void **ptr);
+extern void radeon_bo_kunmap(struct radeon_bo *bo);
+extern struct radeon_bo *radeon_bo_ref(struct radeon_bo *bo);
+extern void radeon_bo_unref(struct radeon_bo **bo);
+extern int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr);
+extern int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain,
+ u64 max_offset, u64 *gpu_addr);
+extern int radeon_bo_unpin(struct radeon_bo *bo);
+extern int radeon_bo_evict_vram(struct radeon_device *rdev);
+extern void radeon_bo_force_delete(struct radeon_device *rdev);
+extern int radeon_bo_init(struct radeon_device *rdev);
+extern void radeon_bo_fini(struct radeon_device *rdev);
+extern int radeon_bo_list_validate(struct radeon_device *rdev,
+ struct ww_acquire_ctx *ticket,
+ struct list_head *head, int ring);
+extern int radeon_bo_set_tiling_flags(struct radeon_bo *bo,
+ u32 tiling_flags, u32 pitch);
+extern void radeon_bo_get_tiling_flags(struct radeon_bo *bo,
+ u32 *tiling_flags, u32 *pitch);
+extern int radeon_bo_check_tiling(struct radeon_bo *bo, bool has_moved,
+ bool force_drop);
+extern void radeon_bo_move_notify(struct ttm_buffer_object *bo,
+ struct ttm_mem_reg *new_mem);
+extern int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
+extern int radeon_bo_get_surface_reg(struct radeon_bo *bo);
+extern void radeon_bo_fence(struct radeon_bo *bo, struct radeon_fence *fence,
+ bool shared);
+
+/*
+ * sub allocation
+ */
+
+static inline uint64_t radeon_sa_bo_gpu_addr(struct radeon_sa_bo *sa_bo)
+{
+ return sa_bo->manager->gpu_addr + sa_bo->soffset;
+}
+
+static inline void * radeon_sa_bo_cpu_addr(struct radeon_sa_bo *sa_bo)
+{
+ return sa_bo->manager->cpu_ptr + sa_bo->soffset;
+}
+
+extern int radeon_sa_bo_manager_init(struct radeon_device *rdev,
+ struct radeon_sa_manager *sa_manager,
+ unsigned size, u32 align, u32 domain,
+ u32 flags);
+extern void radeon_sa_bo_manager_fini(struct radeon_device *rdev,
+ struct radeon_sa_manager *sa_manager);
+extern int radeon_sa_bo_manager_start(struct radeon_device *rdev,
+ struct radeon_sa_manager *sa_manager);
+extern int radeon_sa_bo_manager_suspend(struct radeon_device *rdev,
+ struct radeon_sa_manager *sa_manager);
+extern int radeon_sa_bo_new(struct radeon_device *rdev,
+ struct radeon_sa_manager *sa_manager,
+ struct radeon_sa_bo **sa_bo,
+ unsigned size, unsigned align);
+extern void radeon_sa_bo_free(struct radeon_device *rdev,
+ struct radeon_sa_bo **sa_bo,
+ struct radeon_fence *fence);
+#if defined(CONFIG_DEBUG_FS)
+extern void radeon_sa_bo_dump_debug_info(struct radeon_sa_manager *sa_manager,
+ struct seq_file *m);
+#endif
+
+
+#endif