tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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