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https://github.com/torvalds/linux
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Tip revision: 815fb87b753055df2d9e50f6cd80eb10235fe3e9 authored by Linus Torvalds on 02 December 2023, 00:01:00 UTC
Merge tag 'pm-6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Tip revision: 815fb87
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 <linux/sched.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;

	/* debug info */
	char pname[TASK_COMM_LEN];
	pid_t pid;
};

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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