mesa/src/asahi/lib/agx_bo.h

91 lines
2.5 KiB
C

/*
* Copyright (C) 2021 Alyssa Rosenzweig <alyssa@rosenzweig.io>
* © Copyright 2019 Collabora, Ltd.
*
* 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 (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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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 __AGX_BO_H
#define __AGX_BO_H
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
struct agx_device;
enum agx_alloc_type {
AGX_ALLOC_REGULAR = 0,
AGX_ALLOC_MEMMAP = 1,
AGX_ALLOC_CMDBUF = 2,
AGX_NUM_ALLOC,
};
struct agx_ptr {
/* If CPU mapped, CPU address. NULL if not mapped */
void *cpu;
/* If type REGULAR, mapped GPU address */
uint64_t gpu;
};
struct agx_bo {
enum agx_alloc_type type;
/* Creation attributes */
unsigned flags;
size_t size;
/* Mapping */
struct agx_ptr ptr;
/* Index unique only up to type, process-local */
uint32_t handle;
/* Globally unique value (system wide) for tracing. Exists for resources,
* command buffers, GPU submissions, segments, segmentent lists, encoders,
* accelerators, and channels. Corresponds to Instruments' magic table
* metal-gpu-submission-to-command-buffer-id */
uint64_t guid;
/* Human-readable label, or NULL if none */
char *name;
/* Owner */
struct agx_device *dev;
/* Update atomically */
int32_t refcnt;
/* Used while decoding, marked read-only */
bool ro;
/* Used while decoding, mapped */
bool mapped;
};
struct agx_bo *
agx_bo_create(struct agx_device *dev, unsigned size, unsigned flags);
void agx_bo_reference(struct agx_bo *bo);
void agx_bo_unreference(struct agx_bo *bo);
#endif