/* SPDX-License-Identifier: GPL-2.0 OR MIT */ /************************************************************************** * * Copyright (c) 2023-2024 Broadcom. All Rights Reserved. The term * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * 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, sub license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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 VMWGFX_BO_H #define VMWGFX_BO_H #include "device_include/svga_reg.h" #include <drm/ttm/ttm_bo.h> #include <drm/ttm/ttm_placement.h> #include <linux/rbtree_types.h> #include <linux/types.h> #include <linux/xarray.h> struct vmw_bo_dirty; struct vmw_fence_obj; struct vmw_private; struct vmw_resource; struct vmw_surface; enum vmw_bo_domain { … }; struct vmw_bo_params { … }; /** * struct vmw_bo - TTM buffer object with vmwgfx additions * @tbo: The TTM buffer object * @placement: The preferred placement for this buffer object * @places: The chosen places for the preferred placement. * @busy_places: Chosen busy places for the preferred placement * @map: Kmap object for semi-persistent mappings * @res_tree: RB tree of resources using this buffer object as a backing MOB * @res_prios: Eviction priority counts for attached resources * @cpu_writers: Number of synccpu write grabs. Protected by reservation when * increased. May be decreased without reservation. * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB * @dirty: structure for user-space dirty-tracking */ struct vmw_bo { … }; void vmw_bo_placement_set(struct vmw_bo *bo, u32 domain, u32 busy_domain); void vmw_bo_placement_set_default_accelerated(struct vmw_bo *bo); int vmw_bo_create(struct vmw_private *dev_priv, struct vmw_bo_params *params, struct vmw_bo **p_bo); int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, struct vmw_bo *buf, bool interruptible); int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, struct vmw_bo *buf, bool interruptible); int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, struct vmw_bo *bo, bool interruptible); void vmw_bo_pin_reserved(struct vmw_bo *bo, bool pin); int vmw_bo_unpin(struct vmw_private *vmw_priv, struct vmw_bo *bo, bool interruptible); void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, SVGAGuestPtr *ptr); int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); void vmw_bo_fence_single(struct ttm_buffer_object *bo, struct vmw_fence_obj *fence); void *vmw_bo_map_and_cache(struct vmw_bo *vbo); void *vmw_bo_map_and_cache_size(struct vmw_bo *vbo, size_t size); void vmw_bo_unmap(struct vmw_bo *vbo); void vmw_bo_move_notify(struct ttm_buffer_object *bo, struct ttm_resource *mem); void vmw_bo_swap_notify(struct ttm_buffer_object *bo); void vmw_bo_add_detached_resource(struct vmw_bo *vbo, struct vmw_resource *res); void vmw_bo_del_detached_resource(struct vmw_bo *vbo, struct vmw_resource *res); struct vmw_surface *vmw_bo_surface(struct vmw_bo *vbo); int vmw_user_bo_lookup(struct drm_file *filp, u32 handle, struct vmw_bo **out); /** * vmw_bo_adjust_prio - Adjust the buffer object eviction priority * according to attached resources * @vbo: The struct vmw_bo */ static inline void vmw_bo_prio_adjust(struct vmw_bo *vbo) { … } /** * vmw_bo_prio_add - Notify a buffer object of a newly attached resource * eviction priority * @vbo: The struct vmw_bo * @prio: The resource priority * * After being notified, the code assigns the highest resource eviction priority * to the backing buffer object (mob). */ static inline void vmw_bo_prio_add(struct vmw_bo *vbo, int prio) { … } /** * vmw_bo_used_prio_del - Notify a buffer object of a resource with a certain * priority being removed * @vbo: The struct vmw_bo * @prio: The resource priority * * After being notified, the code assigns the highest resource eviction priority * to the backing buffer object (mob). */ static inline void vmw_bo_prio_del(struct vmw_bo *vbo, int prio) { … } static inline void vmw_bo_unreference(struct vmw_bo **buf) { … } static inline struct vmw_bo *vmw_bo_reference(struct vmw_bo *buf) { … } static inline struct vmw_bo *vmw_user_bo_ref(struct vmw_bo *vbo) { … } static inline void vmw_user_bo_unref(struct vmw_bo **buf) { … } static inline struct vmw_bo *to_vmw_bo(struct drm_gem_object *gobj) { … } #endif // VMWGFX_BO_H
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