1  /* SPDX-License-Identifier: GPL-2.0-only OR MIT */
2  /*
3   * Apple RTKit IPC library
4   * Copyright (C) The Asahi Linux Contributors
5   */
6  
7  #ifndef _APPLE_RTKIT_INTERAL_H
8  #define _APPLE_RTKIT_INTERAL_H
9  
10  #include <linux/bitfield.h>
11  #include <linux/bitmap.h>
12  #include <linux/completion.h>
13  #include <linux/dma-mapping.h>
14  #include <linux/io.h>
15  #include <linux/kernel.h>
16  #include <linux/module.h>
17  #include <linux/slab.h>
18  #include <linux/soc/apple/rtkit.h>
19  #include <linux/workqueue.h>
20  #include "mailbox.h"
21  
22  #define APPLE_RTKIT_APP_ENDPOINT_START 0x20
23  #define APPLE_RTKIT_MAX_ENDPOINTS 0x100
24  
25  struct apple_rtkit {
26  	void *cookie;
27  	const struct apple_rtkit_ops *ops;
28  	struct device *dev;
29  
30  	struct apple_mbox *mbox;
31  
32  	struct completion epmap_completion;
33  	struct completion iop_pwr_ack_completion;
34  	struct completion ap_pwr_ack_completion;
35  
36  	int boot_result;
37  	int version;
38  
39  	unsigned int iop_power_state;
40  	unsigned int ap_power_state;
41  	bool crashed;
42  
43  	DECLARE_BITMAP(endpoints, APPLE_RTKIT_MAX_ENDPOINTS);
44  
45  	struct apple_rtkit_shmem ioreport_buffer;
46  	struct apple_rtkit_shmem crashlog_buffer;
47  
48  	struct apple_rtkit_shmem syslog_buffer;
49  	char *syslog_msg_buffer;
50  	size_t syslog_n_entries;
51  	size_t syslog_msg_size;
52  
53  	struct workqueue_struct *wq;
54  };
55  
56  void apple_rtkit_crashlog_dump(struct apple_rtkit *rtk, u8 *bfr, size_t size);
57  
58  #endif
59