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qcacmn: DebugFS Improvements for WMI logs

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1)Configurable number of bytes to log
2)Add support to record only specific WMI command/events
  Separate buffers are added to save user specified WMI commands and events
    1.To record specific wmi cmd, e.g. WMI_VDEV_START_REQUEST_CMDID
	echo 0x5003 > /sys/kernel/debug/WMI_SOC0_PDEV0/filtered_wmi_cmds
    2.To record specific wmi evt, e.g. WMI_MGMT_RX_EVENTID
	echo 0x7001 > /sys/kernel/debug/WMI_SOC0_PDEV0/filtered_wmi_evts
  Results of recorded specific WMI command/events:
    1. WMI commands, e.g.:
	cat /sys/kernel/debug/WMI_SOC0_PDEV0/wmi_filtered_command_log
    2. WMI events, e.g.:
	cat /sys/kernel/debug/WMI_SOC0_PDEV0/wmi_filtered_event_log

CRs-Fixed: 2597854
Change-Id: I1e90a13ac0717f1f37ba998fb1d06a990d3f4fa2
This commit is contained in:
nwzhao
2019-12-11 16:30:50 -08:00
committed by nshrivas
parent 3227df4b10
commit b666fe52b7
4 changed files with 789 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
wmi/src/wmi_unified.c
View File

@@ -36,6 +36,8 @@
#include <linux/debugfs.h>
#include <target_if.h>
#include <qdf_debugfs.h>
#include "wmi_filtered_logging.h"
/* This check for CONFIG_WIN temporary added due to redeclaration compilation
error in MCL. Error is caused due to inclusion of wmi.h in wmi_unified_api.h
@@ -101,7 +103,7 @@ typedef PREPACK struct {
#ifdef WMI_INTERFACE_EVENT_LOGGING
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 3, 0))
/* TODO Cleanup this backported function */
static int wmi_bp_seq_printf(struct seq_file *m, const char *f, ...)
static int wmi_bp_seq_printf(qdf_debugfs_file_t m, const char *f, ...)
{
va_list args;
@@ -813,6 +815,8 @@ static QDF_STATUS wmi_log_init(struct wmi_unified *wmi_handle)
qdf_spinlock_create(&wmi_handle->log_info.wmi_record_lock);
wmi_handle->log_info.wmi_logging_enable = 1;
wmi_filtered_logging_init(wmi_handle);
return QDF_STATUS_SUCCESS;
}
#endif
@@ -827,6 +831,8 @@ static QDF_STATUS wmi_log_init(struct wmi_unified *wmi_handle)
#ifdef WMI_INTERFACE_EVENT_LOGGING_DYNAMIC_ALLOC
static inline void wmi_log_buffer_free(struct wmi_unified *wmi_handle)
{
wmi_filtered_logging_free(wmi_handle);
if (wmi_handle->log_info.wmi_command_log_buf_info.buf)
qdf_mem_free(wmi_handle->log_info.wmi_command_log_buf_info.buf);
if (wmi_handle->log_info.wmi_command_tx_cmp_log_buf_info.buf)
@@ -850,6 +856,7 @@ static inline void wmi_log_buffer_free(struct wmi_unified *wmi_handle)
qdf_mem_free(
wmi_handle->log_info.wmi_diag_event_log_buf_info.buf);
wmi_handle->log_info.wmi_logging_enable = 0;
qdf_spinlock_destroy(&wmi_handle->log_info.wmi_record_lock);
}
#else
@@ -1357,6 +1364,12 @@ GENERATE_DEBUG_STRUCTS(wmi_mgmt_command_tx_cmp_log);
GENERATE_DEBUG_STRUCTS(wmi_mgmt_event_log);
GENERATE_DEBUG_STRUCTS(wmi_enable);
GENERATE_DEBUG_STRUCTS(wmi_log_size);
#ifdef WMI_INTERFACE_FILTERED_EVENT_LOGGING
GENERATE_DEBUG_STRUCTS(filtered_wmi_cmds);
GENERATE_DEBUG_STRUCTS(filtered_wmi_evts);
GENERATE_DEBUG_STRUCTS(wmi_filtered_command_log);
GENERATE_DEBUG_STRUCTS(wmi_filtered_event_log);
#endif
struct wmi_debugfs_info wmi_debugfs_infos[NUM_DEBUG_INFOS] = {
DEBUG_FOO(wmi_command_log),
@@ -1368,6 +1381,12 @@ struct wmi_debugfs_info wmi_debugfs_infos[NUM_DEBUG_INFOS] = {
DEBUG_FOO(wmi_mgmt_event_log),
DEBUG_FOO(wmi_enable),
DEBUG_FOO(wmi_log_size),
#ifdef WMI_INTERFACE_FILTERED_EVENT_LOGGING
DEBUG_FOO(filtered_wmi_cmds),
DEBUG_FOO(filtered_wmi_evts),
DEBUG_FOO(wmi_filtered_command_log),
DEBUG_FOO(wmi_filtered_event_log),
#endif
};
@@ -1484,7 +1503,7 @@ void wmi_mgmt_cmd_record(wmi_unified_t wmi_handle, uint32_t cmd,
qdf_spin_lock_bh(&wmi_handle->log_info.wmi_record_lock);
WMI_MGMT_COMMAND_RECORD(wmi_handle, cmd, (uint8_t *)data);
wmi_specific_cmd_record(wmi_handle, cmd, (uint8_t *)data);
qdf_spin_unlock_bh(&wmi_handle->log_info.wmi_record_lock);
}
#else
@@ -1839,9 +1858,11 @@ QDF_STATUS wmi_unified_cmd_send_fl(wmi_unified_t wmi_handle, wmi_buf_t buf,
* WMI mgmt command already recorded in wmi_mgmt_cmd_record
*/
if (wmi_handle->ops->is_management_record(cmd_id) == false) {
WMI_COMMAND_RECORD(wmi_handle, cmd_id,
qdf_nbuf_data(buf) +
wmi_handle->soc->buf_offset_command);
uint8_t *tmpbuf = (uint8_t *)qdf_nbuf_data(buf) +
wmi_handle->soc->buf_offset_command;
WMI_COMMAND_RECORD(wmi_handle, cmd_id, tmpbuf);
wmi_specific_cmd_record(wmi_handle, cmd_id, tmpbuf);
}
qdf_spin_unlock_bh(&wmi_handle->log_info.wmi_record_lock);
}
@@ -2430,8 +2451,11 @@ void __wmi_control_rx(struct wmi_unified *wmi_handle, wmi_buf_t evt_buf)
* as its already logged in WMI RX event buffer
*/
} else {
WMI_EVENT_RECORD(wmi_handle, id, ((uint8_t *) data +
wmi_handle->soc->buf_offset_event));
uint8_t *tmpbuf = (uint8_t *)data +
wmi_handle->soc->buf_offset_event;
WMI_EVENT_RECORD(wmi_handle, id, tmpbuf);
wmi_specific_evt_record(wmi_handle, id, tmpbuf);
}
qdf_spin_unlock_bh(&wmi_handle->log_info.wmi_record_lock);
}