1  /*
2   * Copyright (c) 2013-2019 The Linux Foundation. All rights reserved.
3   * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
4   *
5   * Permission to use, copy, modify, and/or distribute this software for
6   * any purpose with or without fee is hereby granted, provided that the
7   * above copyright notice and this permission notice appear in all
8   * copies.
9   *
10   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11   * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12   * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13   * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14   * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15   * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16   * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17   * PERFORMANCE OF THIS SOFTWARE.
18   */
19  
20  #if !defined(WLAN_QCT_SYS_H__)
21  #define WLAN_QCT_SYS_H__
22  
23  /**===========================================================================
24  
25     \file  wlan_qct_sys.h
26  
27     \brief System module API
28  
29     ==========================================================================*/
30  
31  /* $HEADER$ */
32  
33  /*---------------------------------------------------------------------------
34     Include files
35     -------------------------------------------------------------------------*/
36  #include <qdf_types.h>
37  #include <qdf_status.h>
38  #include <scheduler_api.h>
39  
40  struct mac_context;
41  
42  /*---------------------------------------------------------------------------
43     Preprocessor definitions and constants
44     -------------------------------------------------------------------------*/
45  
46  /*---------------------------------------------------------------------------
47     Type declarations
48     -------------------------------------------------------------------------*/
49  
50  /**
51   * sys_rsp_cb() - SYS async response callback
52   * @user_data: context data for callback
53   *
54   * This is a protype for the callback function that SYS makes to various
55   * modules in the system.
56   *
57   * Return: None
58   */
59  typedef void (*sys_rsp_cb)(void *user_data);
60  
61  /**
62   * sys_build_message_header() - to build the sys message header
63   * @msg_id: message id
64   * @msg: pointer to message context
65   *
66   * This function will initialize the SYS message header with the
67   * message type and any internal fields needed for a new SYS
68   * message. This function sets all but the message body, which is up
69   * to the caller to setup based on the specific message being built.
70   *
71   * NOTE: There are internal / reserved items in a SYS message that
72   * must be set correctly for the message to be recognized as a SYS
73   * message by the SYS message handlers.  It is important for every SYS
74   * message to be setup / built / initialized through this function.
75   *
76   * Return: QDF_STATUS
77   */
78  QDF_STATUS sys_build_message_header(SYS_MSG_ID msg_id,
79  				    struct scheduler_msg *msg);
80  
81  /**
82   * umac_stop() - send schedule message to mc thread to stop umac (sme and mac)
83   *
84   * Return: status of operation
85   */
86  QDF_STATUS umac_stop(void);
87  
88  QDF_STATUS sys_mc_process_handler(struct scheduler_msg *msg);
89  
90  /**
91   * sys_process_mmh_msg() - api to process an mmh message
92   * @mac: pointer to mac context
93   * @msg: pointer to message
94   *
95   * This API is used to process an mmh message.
96   *
97   * NOTE WELL: Ownership of the @msg bodyptr, if present, is always
98   * transferred, and the caller must not attempt to dereference or free
99   * the bodyptr after invoking this API.
100   *
101   * Return: none
102   */
103  void sys_process_mmh_msg(struct mac_context *mac,
104  			 struct scheduler_msg *msg);
105  
106  #endif /* WLAN_QCT_SYS_H__ */
107