mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-21 15:59:33 +07:00
af1cbfb9bf
If host1x_bo_pin() returns an SG table, create a DMA mapping for the buffer. For buffers that the host1x client has already mapped itself, host1x_bo_pin() returns NULL and the existing DMA address is used. Signed-off-by: Thierry Reding <treding@nvidia.com>
35 lines
602 B
C
35 lines
602 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Tegra host1x Job
|
|
*
|
|
* Copyright (c) 2011-2013, NVIDIA Corporation.
|
|
*/
|
|
|
|
#ifndef __HOST1X_JOB_H
|
|
#define __HOST1X_JOB_H
|
|
|
|
#include <linux/dma-direction.h>
|
|
|
|
struct host1x_job_gather {
|
|
unsigned int words;
|
|
dma_addr_t base;
|
|
struct host1x_bo *bo;
|
|
unsigned int offset;
|
|
bool handled;
|
|
};
|
|
|
|
struct host1x_job_unpin_data {
|
|
struct host1x_bo *bo;
|
|
struct sg_table *sgt;
|
|
struct device *dev;
|
|
size_t size;
|
|
enum dma_data_direction dir;
|
|
};
|
|
|
|
/*
|
|
* Dump contents of job to debug output.
|
|
*/
|
|
void host1x_job_dump(struct device *dev, struct host1x_job *job);
|
|
|
|
#endif
|