91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
/*
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* Copyright (C) 2021 Alyssa Rosenzweig <alyssa@rosenzweig.io>
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* © Copyright 2019 Collabora, Ltd.
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*
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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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*
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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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* Software.
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*
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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 FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef __AGX_BO_H
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#define __AGX_BO_H
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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struct agx_device;
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enum agx_alloc_type {
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AGX_ALLOC_REGULAR = 0,
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AGX_ALLOC_MEMMAP = 1,
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AGX_ALLOC_CMDBUF = 2,
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AGX_NUM_ALLOC,
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};
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struct agx_ptr {
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/* If CPU mapped, CPU address. NULL if not mapped */
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void *cpu;
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/* If type REGULAR, mapped GPU address */
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uint64_t gpu;
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};
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struct agx_bo {
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enum agx_alloc_type type;
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/* Creation attributes */
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unsigned flags;
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size_t size;
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/* Mapping */
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struct agx_ptr ptr;
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/* Index unique only up to type, process-local */
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uint32_t handle;
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/* Globally unique value (system wide) for tracing. Exists for resources,
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* command buffers, GPU submissions, segments, segmentent lists, encoders,
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* accelerators, and channels. Corresponds to Instruments' magic table
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* metal-gpu-submission-to-command-buffer-id */
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uint64_t guid;
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/* Human-readable label, or NULL if none */
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char *name;
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/* Owner */
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struct agx_device *dev;
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/* Update atomically */
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int32_t refcnt;
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/* Used while decoding, marked read-only */
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bool ro;
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/* Used while decoding, mapped */
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bool mapped;
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};
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struct agx_bo *
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agx_bo_create(struct agx_device *dev, unsigned size, unsigned flags);
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void agx_bo_reference(struct agx_bo *bo);
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void agx_bo_unreference(struct agx_bo *bo);
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#endif
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