4be28ba641
Add bus related info in hif layer in order to get bus status when hang issue happened. Change-Id: If922e0892e0f65de778b9696bbc56fc63c25c169 CRs-Fixed: 2801350
133 lignes
4.0 KiB
C
133 lignes
4.0 KiB
C
/*
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* Copyright (c) 2020, The Linux Foundation. All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/**
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* DOC: qdf_hang_event_notifier
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* This file provides OS dependent QDF notifier call for hang event
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*/
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#ifndef QDF_HANG_EVENT_NOTIFIER_H
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#define QDF_HANG_EVENT_NOTIFIER_H
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#include <qdf_notifier.h>
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#define QDF_HANG_EVENT_VERSION "1"
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/* Max hang event buffer size */
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#define QDF_HANG_EVENT_DATA_SIZE 390
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/* Max offset which host can write */
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#define QDF_WLAN_MAX_HOST_OFFSET 194
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/* Start of the Firmware Data offset */
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#define QDF_WLAN_HANG_FW_OFFSET 195
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/**
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* hang_event_tag: Hang event tag for various modules
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* @HANG_EVT_TAG_CDS: CDS module hang event tag
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* @HANG_EVT_TAG_OS_IF: OS interface module hang event tag
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* @HANG_EVT_TAG_OS_IF_SCAN: scan module hang event tag
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* @HANG_EVT_TAG_LEGACY_MAC: Legacy mac module hang event tag
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* @HANG_EVT_TAG_WMI_EVT_HIST: WMI event history hang event tag
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* @HANG_EVT_TAG_WMI_CMD_HIST: WMI command history hang event tag
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* @HANG_EVT_TAG_WMI_CMD_HIST: HTC event tag wmi command history hang event tag
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* @HANG_EVT_TAG_DP_PEER_INFO: DP peer info hang event tag
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* @HANG_EVT_TAG_CE_INFO: Copy Engine hang event tag
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* @HANG_EVT_TAG_BUS_INFO: Bus hang event tag
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*/
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enum hang_event_tag {
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HANG_EVT_TAG_CDS,
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HANG_EVT_TAG_OS_IF,
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HANG_EVT_TAG_OS_IF_SCAN,
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HANG_EVT_TAG_LEGACY_MAC,
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HANG_EVT_TAG_WMI_EVT_HIST,
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HANG_EVT_TAG_WMI_CMD_HIST,
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HANG_EVT_TAG_HTC_CREDIT_HIST,
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HANG_EVT_TAG_DP_PEER_INFO,
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HANG_EVT_TAG_CE_INFO,
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HANG_EVT_TAG_BUS_INFO
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};
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#define QDF_HANG_EVENT_TLV_HDR_SIZE (sizeof(uint16_t))
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#define QDF_HANG_EVT_SET_HDR(tlv_buf, tag, len) \
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(((uint16_t *)(tlv_buf))[0]) = (((tag) << 8) | ((len) & 0x000000FF))
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#define QDF_HANG_GET_STRUCT_TLVLEN(tlv_struct) \
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((uint16_t)(sizeof(tlv_struct) - QDF_HANG_EVENT_TLV_HDR_SIZE))
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/**
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* qdf_notifier_data - Private data for notifier data
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* @hang_data: Data filled by notifier
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* @offset: Current offset of the hang data buffer
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*/
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struct qdf_notifer_data {
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uint8_t *hang_data;
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unsigned int offset;
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};
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#ifdef WLAN_HANG_EVENT
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/**
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* qdf_hang_event_register_notifier() - Hang data notifier register
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* @nb: Notifier block
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*
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* This function registers notifier block for the hang data notifier chain
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* the registered function will be invoked when the hang data notifier call
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* is invoked.
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*
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* Return: QDF_STATUS
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*/
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QDF_STATUS qdf_hang_event_register_notifier(qdf_notif_block *nb);
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/**
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* qdf_hang_event_unregister_notifier() - Hang data notifier unregister
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* @nb: Notifier block
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*
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* This function unregisters notifier block for the hang data notifier chain.
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*
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* Return: QDF_STATUS
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*/
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QDF_STATUS qdf_hang_event_unregister_notifier(qdf_notif_block *nb);
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/**
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* qdf_hang_event_notifier_call() - Hang data notifier register
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* @v: state
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* @data: Private data for this notifier chain
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*
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* This function when invoked will call the functions registered with this
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* notifier chain.
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*
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* Return: QDF_STATUS
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*/
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QDF_STATUS qdf_hang_event_notifier_call(unsigned long v, void *data);
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#else
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static inline
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QDF_STATUS qdf_hang_event_register_notifier(qdf_notif_block *nb)
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{
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return QDF_STATUS_SUCCESS;
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}
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static inline
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QDF_STATUS qdf_hang_event_unregister_notifier(qdf_notif_block *nb)
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{
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return QDF_STATUS_SUCCESS;
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}
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static inline
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QDF_STATUS qdf_hang_event_notifier_call(unsigned long v, void *data)
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{
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return QDF_STATUS_SUCCESS;
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}
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#endif
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#endif
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