110e03024d
During an SSR/PDR any threads waiting on an event won't be purged unless they are timed out. This increases the recovery time taken by the host after an SSR/PDR. Before waiting on an event, put the event in a list. During an SSR set all the events in the list and return error to the threads. Change-Id: Iac4790a88cde1665fba4c23924566b4b309a2b03 CRs-Fixed: 2045141
143 lines
3.8 KiB
C
143 lines
3.8 KiB
C
/*
|
|
* Copyright (c) 2014-2017 The Linux Foundation. All rights reserved.
|
|
*
|
|
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
|
|
*
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for
|
|
* any purpose with or without fee is hereby granted, provided that the
|
|
* above copyright notice and this permission notice appear in all
|
|
* copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
|
|
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
|
|
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
|
|
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
|
|
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
|
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
/*
|
|
* This file was originally distributed by Qualcomm Atheros, Inc.
|
|
* under proprietary terms before Copyright ownership was assigned
|
|
* to the Linux Foundation.
|
|
*/
|
|
|
|
/**
|
|
* DOC: qdf_event.h
|
|
* This file provides OS abstraction for event APIs.
|
|
*/
|
|
|
|
#if !defined(__QDF_EVENT_H)
|
|
#define __QDF_EVENT_H
|
|
|
|
/* Include Files */
|
|
#include "qdf_status.h"
|
|
#include <qdf_types.h>
|
|
#include <i_qdf_event.h>
|
|
#include <qdf_trace.h>
|
|
#include <qdf_list.h>
|
|
|
|
/* Preprocessor definitions and constants */
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
typedef __qdf_event_t qdf_event_t;
|
|
/* Function declarations and documenation */
|
|
|
|
#ifdef CONFIG_MCL
|
|
typedef void (*qdf_self_recovery_callback)(enum qdf_hang_reason);
|
|
#endif
|
|
|
|
QDF_STATUS qdf_event_create(qdf_event_t *event);
|
|
|
|
QDF_STATUS qdf_event_set(qdf_event_t *event);
|
|
|
|
QDF_STATUS qdf_event_reset(qdf_event_t *event);
|
|
|
|
QDF_STATUS qdf_event_destroy(qdf_event_t *event);
|
|
|
|
QDF_STATUS qdf_wait_single_event(qdf_event_t *event,
|
|
uint32_t timeout);
|
|
|
|
/**
|
|
* qdf_complete_wait_events() - Sets all the events which are in the list.
|
|
*
|
|
* This function traverses the list of events and sets all of them. It
|
|
* sets the flag force_set as TRUE to indicate that these events have
|
|
* been forcefully set.
|
|
*
|
|
* Return: None
|
|
*/
|
|
void qdf_complete_wait_events(void);
|
|
|
|
/**
|
|
* qdf_wait_for_event_completion() - Waits for an event to be set.
|
|
* @event: Pointer to an event to wait on.
|
|
* @timeout: Timeout value (in milliseconds).
|
|
*
|
|
* This function adds the event in a list and waits on it until it
|
|
* is set or the timeout duration elapses. The purpose of waiting
|
|
* is considered complete only if the event is set and the flag
|
|
* force_set is FALSE, it returns success in this case. In other
|
|
* cases it returns appropriate error status.
|
|
*
|
|
* Return: QDF status
|
|
*/
|
|
QDF_STATUS qdf_wait_for_event_completion(qdf_event_t *event,
|
|
uint32_t timeout);
|
|
|
|
/**
|
|
* qdf_event_list_init() - Creates a list and spinlock for events.
|
|
*
|
|
* This function creates a list for maintaining events on which threads
|
|
* wait for completion. A spinlock is also created to protect related
|
|
* operations.
|
|
*
|
|
* Return: None
|
|
*/
|
|
void qdf_event_list_init(void);
|
|
|
|
/**
|
|
* qdf_event_list_destroy() - Destroys list and spinlock created for events.
|
|
*
|
|
* This function destroys the list and spinlock created for events on which
|
|
* threads wait for completion.
|
|
*
|
|
* Return: None
|
|
*/
|
|
void qdf_event_list_destroy(void);
|
|
|
|
/**
|
|
* qdf_exit_thread() - exit thread execution
|
|
* @status: QDF status
|
|
*
|
|
* Return: QDF status
|
|
*/
|
|
QDF_STATUS qdf_exit_thread(QDF_STATUS status);
|
|
|
|
#ifdef CONFIG_MCL
|
|
/**
|
|
* qdf_register_self_recovery_callback () - register self recovery callback
|
|
* @callback: self recovery callback
|
|
*
|
|
* Return: None
|
|
*/
|
|
void qdf_register_self_recovery_callback(qdf_self_recovery_callback callback);
|
|
|
|
/**
|
|
* qdf_trigger_self_recovery () - tirgger self recovery
|
|
*
|
|
* Return: None
|
|
*/
|
|
void qdf_trigger_self_recovery(void);
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
#endif /* __QDF_EVENT_H */
|