1/* 2 * Copyright (C) 2021 Alyssa Rosenzweig <alyssa@rosenzweig.io> 3 * © Copyright 2019 Collabora, Ltd. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the next 13 * paragraph) shall be included in all copies or substantial portions of the 14 * Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 */ 24 25#ifndef __AGX_BO_H 26#define __AGX_BO_H 27 28#include <stdbool.h> 29#include <stddef.h> 30#include <stdint.h> 31 32struct agx_device; 33 34enum agx_alloc_type { 35 AGX_ALLOC_REGULAR = 0, 36 AGX_ALLOC_MEMMAP = 1, 37 AGX_ALLOC_CMDBUF = 2, 38 AGX_NUM_ALLOC, 39}; 40 41struct agx_ptr { 42 /* If CPU mapped, CPU address. NULL if not mapped */ 43 void *cpu; 44 45 /* If type REGULAR, mapped GPU address */ 46 uint64_t gpu; 47}; 48 49struct agx_bo { 50 enum agx_alloc_type type; 51 52 /* Creation attributes */ 53 unsigned flags; 54 size_t size; 55 56 /* Mapping */ 57 struct agx_ptr ptr; 58 59 /* Index unique only up to type, process-local */ 60 uint32_t handle; 61 62 /* Globally unique value (system wide) for tracing. Exists for resources, 63 * command buffers, GPU submissions, segments, segmentent lists, encoders, 64 * accelerators, and channels. Corresponds to Instruments' magic table 65 * metal-gpu-submission-to-command-buffer-id */ 66 uint64_t guid; 67 68 /* Human-readable label, or NULL if none */ 69 char *name; 70 71 /* Owner */ 72 struct agx_device *dev; 73 74 /* Update atomically */ 75 int32_t refcnt; 76 77 /* Used while decoding, marked read-only */ 78 bool ro; 79 80 /* Used while decoding, mapped */ 81 bool mapped; 82}; 83 84struct agx_bo * 85agx_bo_create(struct agx_device *dev, unsigned size, unsigned flags); 86 87void agx_bo_reference(struct agx_bo *bo); 88void agx_bo_unreference(struct agx_bo *bo); 89 90#endif 91