lima_ctx.h

 1/* SPDX-License-Identifier: GPL-2.0 OR MIT */
 2/* Copyright 2018-2019 Qiang Yu <yuq825@gmail.com> */
 3
 4#ifndef __LIMA_CTX_H__
 5#define __LIMA_CTX_H__
 6
 7#include <linux/xarray.h>
 8#include <linux/sched.h>
 9
10#include "lima_device.h"
11
12struct lima_ctx {
13	struct kref refcnt;
14	struct lima_device *dev;
15	struct lima_sched_context context[lima_pipe_num];
16
17	/* debug info */
18	char pname[TASK_COMM_LEN];
19	pid_t pid;
20};
21
22struct lima_ctx_mgr {
23	struct mutex lock;
24	struct xarray handles;
25};
26
27int lima_ctx_create(struct lima_device *dev, struct lima_ctx_mgr *mgr, u32 *id);
28int lima_ctx_free(struct lima_ctx_mgr *mgr, u32 id);
29struct lima_ctx *lima_ctx_get(struct lima_ctx_mgr *mgr, u32 id);
30void lima_ctx_put(struct lima_ctx *ctx);
31void lima_ctx_mgr_init(struct lima_ctx_mgr *mgr);
32void lima_ctx_mgr_fini(struct lima_ctx_mgr *mgr);
33
34#endif