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v0.8.1
https://github.com/torvalds/linux
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Tip revision: f74c2bb98776e2de508f4d607cd519873065118e authored by Linus Torvalds on 08 September 2019, 20:33:15 UTC
Linux 5.3-rc8
Tip revision: f74c2bb
lima_ctx.h
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
/* Copyright 2018-2019 Qiang Yu <yuq825@gmail.com> */

#ifndef __LIMA_CTX_H__
#define __LIMA_CTX_H__

#include <linux/xarray.h>

#include "lima_device.h"

struct lima_ctx {
	struct kref refcnt;
	struct lima_device *dev;
	struct lima_sched_context context[lima_pipe_num];
	atomic_t guilty;
};

struct lima_ctx_mgr {
	struct mutex lock;
	struct xarray handles;
};

int lima_ctx_create(struct lima_device *dev, struct lima_ctx_mgr *mgr, u32 *id);
int lima_ctx_free(struct lima_ctx_mgr *mgr, u32 id);
struct lima_ctx *lima_ctx_get(struct lima_ctx_mgr *mgr, u32 id);
void lima_ctx_put(struct lima_ctx *ctx);
void lima_ctx_mgr_init(struct lima_ctx_mgr *mgr);
void lima_ctx_mgr_fini(struct lima_ctx_mgr *mgr);

#endif
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