309 lines
9.3 KiB
C
309 lines
9.3 KiB
C
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/****************************************************************************
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*
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* Copyright (c) 2012 - 2018 Samsung Electronics Co., Ltd. All rights reserved
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*
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****************************************************************************/
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#include <linux/sysfs.h>
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#include <linux/poll.h>
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#include <linux/cdev.h>
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#include "debug.h"
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#include "procfs.h"
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#include "utils.h"
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#ifndef CONFIG_SCSC_DEBUG_COMPATIBILITY
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const int SLSI_INIT_DEINIT;
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const int SLSI_NETDEV = 1;
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const int SLSI_CFG80211 = 2;
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const int SLSI_MLME = 3;
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const int SLSI_SUMMARY_FRAMES = 4;
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const int SLSI_HYDRA = 5;
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const int SLSI_TX = 6;
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const int SLSI_RX = 7;
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const int SLSI_UDI = 8;
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const int SLSI_WIFI_FCQ = 9;
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const int SLSI_HIP = 10;
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const int SLSI_HIP_INIT_DEINIT = 11;
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const int SLSI_HIP_FW_DL = 12;
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const int SLSI_HIP_SDIO_OP = 13;
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const int SLSI_HIP_PS = 14;
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const int SLSI_HIP_TH = 15;
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const int SLSI_HIP_FH = 16;
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const int SLSI_HIP_SIG = 17;
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const int SLSI_FUNC_TRACE = 18;
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const int SLSI_TEST = 19; /* Unit test logging */
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const int SLSI_SRC_SINK = 20;
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const int SLSI_FW_TEST = 21;
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const int SLSI_RX_BA = 22;
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const int SLSI_TDLS = 23;
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const int SLSI_GSCAN = 24;
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const int SLSI_MBULK = 25;
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const int SLSI_FLOWC = 26;
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const int SLSI_SMAPPER = 27;
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const int SLSI_PM = 28;
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#endif
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static int slsi_dbg_set_param_cb(const char *val, const struct kernel_param *kp);
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static int slsi_dbg_get_param_cb(char *buffer, const struct kernel_param *kp);
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static struct kernel_param_ops param_ops_log = {
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.set = slsi_dbg_set_param_cb,
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.get = slsi_dbg_get_param_cb,
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};
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#define ADD_DEBUG_MODULE_PARAM(name, default_level, filter) \
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static int slsi_dbg_lvl_ ## name = default_level; \
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module_param_cb(slsi_dbg_lvl_ ## name, ¶m_ops_log, (void *)&filter, S_IRUGO | S_IWUSR); \
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MODULE_PARM_DESC(slsi_dbg_lvl_ ## name, " Debug levels (0~4) for the " # name " module (0 = off) default=" # default_level)
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#ifndef CONFIG_SCSC_DEBUG_COMPATIBILITY
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/* Name, Default, Filter */
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ADD_DEBUG_MODULE_PARAM(init_deinit, 3, SLSI_INIT_DEINIT);
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ADD_DEBUG_MODULE_PARAM(netdev, 2, SLSI_NETDEV);
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ADD_DEBUG_MODULE_PARAM(cfg80211, 1, SLSI_CFG80211);
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ADD_DEBUG_MODULE_PARAM(mlme, 2, SLSI_MLME);
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ADD_DEBUG_MODULE_PARAM(summary_frames, 0, SLSI_SUMMARY_FRAMES);
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ADD_DEBUG_MODULE_PARAM(hydra, 0, SLSI_HYDRA);
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ADD_DEBUG_MODULE_PARAM(tx, 0, SLSI_TX);
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ADD_DEBUG_MODULE_PARAM(rx, 0, SLSI_RX);
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ADD_DEBUG_MODULE_PARAM(udi, 2, SLSI_UDI);
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ADD_DEBUG_MODULE_PARAM(wifi_fcq, 0, SLSI_WIFI_FCQ);
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ADD_DEBUG_MODULE_PARAM(hip, 0, SLSI_HIP);
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ADD_DEBUG_MODULE_PARAM(hip_init_deinit, 0, SLSI_HIP_INIT_DEINIT);
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ADD_DEBUG_MODULE_PARAM(hip_fw_dl, 0, SLSI_HIP_FW_DL);
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ADD_DEBUG_MODULE_PARAM(hip_sdio_op, 0, SLSI_HIP_SDIO_OP);
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ADD_DEBUG_MODULE_PARAM(hip_ps, 0, SLSI_HIP_PS);
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ADD_DEBUG_MODULE_PARAM(hip_th, 0, SLSI_HIP_TH);
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ADD_DEBUG_MODULE_PARAM(hip_fh, 0, SLSI_HIP_FH);
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ADD_DEBUG_MODULE_PARAM(hip_sig, 0, SLSI_HIP_SIG);
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ADD_DEBUG_MODULE_PARAM(func_trace, 0, SLSI_FUNC_TRACE);
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ADD_DEBUG_MODULE_PARAM(test, 0, SLSI_TEST);
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ADD_DEBUG_MODULE_PARAM(src_sink, 0, SLSI_SRC_SINK);
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ADD_DEBUG_MODULE_PARAM(fw_test, 0, SLSI_FW_TEST);
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ADD_DEBUG_MODULE_PARAM(rx_ba, 0, SLSI_RX_BA);
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ADD_DEBUG_MODULE_PARAM(tdls, 2, SLSI_TDLS);
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ADD_DEBUG_MODULE_PARAM(gscan, 3, SLSI_GSCAN);
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ADD_DEBUG_MODULE_PARAM(mbulk, 0, SLSI_MBULK);
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ADD_DEBUG_MODULE_PARAM(flowc, 0, SLSI_FLOWC);
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ADD_DEBUG_MODULE_PARAM(smapper, 0, SLSI_SMAPPER);
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ADD_DEBUG_MODULE_PARAM(pm, 0, SLSI_PM);
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static int slsi_dbg_lvl_all; /* Override all debug modules */
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int *slsi_dbg_filters[] = {
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&slsi_dbg_lvl_init_deinit,
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&slsi_dbg_lvl_netdev,
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&slsi_dbg_lvl_cfg80211,
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&slsi_dbg_lvl_mlme,
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&slsi_dbg_lvl_summary_frames,
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&slsi_dbg_lvl_hydra,
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&slsi_dbg_lvl_tx,
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&slsi_dbg_lvl_rx,
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&slsi_dbg_lvl_udi,
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&slsi_dbg_lvl_wifi_fcq,
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&slsi_dbg_lvl_hip,
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&slsi_dbg_lvl_hip_init_deinit,
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&slsi_dbg_lvl_hip_fw_dl,
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&slsi_dbg_lvl_hip_sdio_op,
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&slsi_dbg_lvl_hip_ps,
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&slsi_dbg_lvl_hip_th,
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&slsi_dbg_lvl_hip_fh,
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&slsi_dbg_lvl_hip_sig,
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&slsi_dbg_lvl_func_trace,
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&slsi_dbg_lvl_test,
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&slsi_dbg_lvl_src_sink,
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&slsi_dbg_lvl_fw_test,
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&slsi_dbg_lvl_rx_ba,
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&slsi_dbg_lvl_tdls,
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&slsi_dbg_lvl_gscan,
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&slsi_dbg_lvl_mbulk,
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&slsi_dbg_lvl_flowc,
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&slsi_dbg_lvl_smapper,
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&slsi_dbg_lvl_pm,
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};
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#else
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static int slsi_dbg_lvl_compat_all;
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module_param(slsi_dbg_lvl_compat_all, int, S_IRUGO | S_IWUSR);
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int *slsi_dbg_filters[] = {
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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&slsi_dbg_lvl_compat_all,
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};
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static int slsi_dbg_lvl_all; /* Override all debug modules */
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#endif
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const int SLSI_DF_MAX = (sizeof(slsi_dbg_filters) / sizeof(slsi_dbg_filters[0]));
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const int SLSI_OVERRIDE_ALL_FILTER = -1; /* This is not a log module but merely a filter option */
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/* Convert a string containing a decimal value to an integer */
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static int slsi_decstr_to_int(const char *dec_str, int *res)
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{
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int tmp_res = 0;
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int sign = 0;
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const char *tmp_char = dec_str;
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sign = (*tmp_char == '-') ? -1 : ((*tmp_char == '+') ? 1 : 0);
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if (sign != 0)
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tmp_char++;
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while (*tmp_char) {
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if (*tmp_char == '\n')
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break;
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if ((*tmp_char < '0') || (*tmp_char > '9'))
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return -1;
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tmp_res = tmp_res * 10 + (*tmp_char - '0');
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tmp_char++;
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}
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*res = (sign < 0) ? (-tmp_res) : tmp_res;
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return 0;
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}
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static int slsi_dbg_set_param_cb(const char *val, const struct kernel_param *kp)
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{
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int new_val;
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int filter;
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if (slsi_decstr_to_int(val, &new_val) < 0) {
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pr_info("%s: failed to convert %s to int\n", __func__, val);
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return -1;
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}
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filter = *((int *)(kp->arg));
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if (filter < -1 || filter >= SLSI_DF_MAX) {
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pr_info("%s: filter %d out of range\n", __func__, filter);
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return -1;
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}
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if (filter == SLSI_OVERRIDE_ALL_FILTER) {
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if (new_val == -1) {
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pr_info("Override does not take effect because slsi_dbg_lvl_all=%d\n", new_val);
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} else {
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int i;
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pr_info("Setting all debug modules to level %d\n", new_val);
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for (i = 0; i < SLSI_DF_MAX; i++)
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*slsi_dbg_filters[i] = new_val;
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slsi_dbg_lvl_all = new_val;
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}
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} else {
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pr_info("Setting debug module %d to level %d\n", filter, new_val);
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*slsi_dbg_filters[filter] = new_val;
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}
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return 0;
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}
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static int slsi_dbg_get_param_cb(char *buffer, const struct kernel_param *kp)
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{
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#define KERN_PARAM_OPS_MAX_BUF_SIZE (4 * 1024)
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int filter;
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int val = 0;
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filter = *((int *)(kp->arg));
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if (filter == SLSI_OVERRIDE_ALL_FILTER)
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val = slsi_dbg_lvl_all;
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else if (filter < 0 || filter >= SLSI_DF_MAX)
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pr_info("%s: filter %d out of range\n", __func__, filter);
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else
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val = *slsi_dbg_filters[filter];
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return snprintf(buffer, KERN_PARAM_OPS_MAX_BUF_SIZE, "%i", val);
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}
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module_param_cb(slsi_dbg_lvl_all, ¶m_ops_log, (void *)&SLSI_OVERRIDE_ALL_FILTER, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(slsi_dbg_lvl_all, "Override debug level (0~4) for all the log modules (-1 = do not override) default=0");
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