1/*
 2 * Intel MIC Platform Software Stack (MPSS)
 3 *
 4 * Copyright(c) 2015 Intel Corporation.
 5 *
 6 * This program is free software; you can redistribute it and/or modify
 7 * it under the terms of the GNU General Public License, version 2, as
 8 * published by the Free Software Foundation.
 9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * The full GNU General Public License is included in this distribution in
16 * the file called "COPYING".
17 *
18 * Intel MIC Coprocessor State Management (COSM) Driver
19 *
20 */
21#ifndef _COSM_COSM_H_
22#define _COSM_COSM_H_
23
24#include <linux/scif.h>
25#include "../bus/cosm_bus.h"
26
27#define COSM_HEARTBEAT_SEND_SEC 30
28#define SCIF_COSM_LISTEN_PORT  201
29
30/**
31 * enum COSM msg id's
32 * @COSM_MSG_SHUTDOWN: host->card trigger shutdown
33 * @COSM_MSG_SYNC_TIME: host->card send host time to card to sync time
34 * @COSM_MSG_HEARTBEAT: card->host heartbeat
35 * @COSM_MSG_SHUTDOWN_STATUS: card->host with shutdown status as payload
36 */
37enum cosm_msg_id {
38	COSM_MSG_SHUTDOWN,
39	COSM_MSG_SYNC_TIME,
40	COSM_MSG_HEARTBEAT,
41	COSM_MSG_SHUTDOWN_STATUS,
42};
43
44struct cosm_msg {
45	u64 id;
46	union {
47		u64 shutdown_status;
48		struct timespec64 timespec;
49	};
50};
51
52extern const char * const cosm_state_string[];
53extern const char * const cosm_shutdown_status_string[];
54
55void cosm_sysfs_init(struct cosm_device *cdev);
56int cosm_start(struct cosm_device *cdev);
57void cosm_stop(struct cosm_device *cdev, bool force);
58int cosm_reset(struct cosm_device *cdev);
59int cosm_shutdown(struct cosm_device *cdev);
60void cosm_set_state(struct cosm_device *cdev, u8 state);
61void cosm_set_shutdown_status(struct cosm_device *cdev, u8 status);
62void cosm_init_debugfs(void);
63void cosm_exit_debugfs(void);
64void cosm_create_debug_dir(struct cosm_device *cdev);
65void cosm_delete_debug_dir(struct cosm_device *cdev);
66int cosm_scif_init(void);
67void cosm_scif_exit(void);
68void cosm_scif_work(struct work_struct *work);
69
70#endif