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* Copyright © 2014 Broadcom
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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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* 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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* 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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#include "util/u_hash_table.h"
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#include "util/u_inlines.h"
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#include "util/list.h"
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#include "v3d_screen.h"
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struct pipe_reference reference;
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struct v3d_screen *screen;
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/* Address of the BO in our page tables. */
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/** Entry in the linked list of buffers freed, by age. */
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struct list_head time_list;
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/** Entry in the per-page-count linked list of buffers freed (by age). */
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struct list_head size_list;
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/** Approximate second when the bo was freed. */
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* Whether only our process has a reference to the BO (meaning that
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* it's safe to reuse it in the BO cache).
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struct v3d_bo *v3d_bo_alloc(struct v3d_screen *screen, uint32_t size,
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void v3d_bo_last_unreference(struct v3d_bo *bo);
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void v3d_bo_last_unreference_locked_timed(struct v3d_bo *bo, time_t time);
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struct v3d_bo *v3d_bo_open_name(struct v3d_screen *screen, uint32_t name);
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struct v3d_bo *v3d_bo_open_dmabuf(struct v3d_screen *screen, int fd);
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bool v3d_bo_flink(struct v3d_bo *bo, uint32_t *name);
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int v3d_bo_get_dmabuf(struct v3d_bo *bo);
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v3d_bo_set_reference(struct v3d_bo **old_bo, struct v3d_bo *new_bo)
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if (pipe_reference(&(*old_bo)->reference, &new_bo->reference))
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v3d_bo_last_unreference(*old_bo);
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static inline struct v3d_bo *
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v3d_bo_reference(struct v3d_bo *bo)
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pipe_reference(NULL, &bo->reference);
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v3d_bo_unreference(struct v3d_bo **bo)
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struct v3d_screen *screen;
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/* Avoid the mutex for private BOs */
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if (pipe_reference(&(*bo)->reference, NULL))
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v3d_bo_last_unreference(*bo);
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screen = (*bo)->screen;
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mtx_lock(&screen->bo_handles_mutex);
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if (pipe_reference(&(*bo)->reference, NULL)) {
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_mesa_hash_table_remove_key(screen->bo_handles,
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(void *)(uintptr_t)(*bo)->handle);
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v3d_bo_last_unreference(*bo);
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mtx_unlock(&screen->bo_handles_mutex);
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v3d_bo_unreference_locked_timed(struct v3d_bo **bo, time_t time)
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if (pipe_reference(&(*bo)->reference, NULL))
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v3d_bo_last_unreference_locked_timed(*bo, time);
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v3d_bo_map(struct v3d_bo *bo);
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v3d_bo_map_unsynchronized(struct v3d_bo *bo);
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v3d_bo_wait(struct v3d_bo *bo, uint64_t timeout_ns, const char *reason);
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v3d_wait_seqno(struct v3d_screen *screen, uint64_t seqno, uint64_t timeout_ns,
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v3d_bufmgr_destroy(struct pipe_screen *pscreen);
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#endif /* V3D_BUFMGR_H */