drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h

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  65
  66 #ifndef __mvm_fw_dbg_h__
  67 #define __mvm_fw_dbg_h__
  68 #include "iwl-fw-file.h"
  69 #include "iwl-fw-error-dump.h"
  70 #include "mvm.h"
  71
  72 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
  73 void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm);
  74 int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
  75                                 const struct iwl_mvm_dump_desc *desc,
  76                                 const struct iwl_fw_dbg_trigger_tlv *trigger);
  77 int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
  78                            const char *str, size_t len,
  79                            const struct iwl_fw_dbg_trigger_tlv *trigger);
  80 int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
  81                                 struct iwl_fw_dbg_trigger_tlv *trigger,
  82                                 const char *fmt, ...) __printf(3, 4);
  83 int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 id);
  84
  85 #define iwl_fw_dbg_trigger_enabled(fw, id) ({                   \
  86         void *__dbg_trigger = (fw)->dbg_trigger_tlv[(id)];      \
  87         unlikely(__dbg_trigger);                                \
  88 })
  89
  90 static inline struct iwl_fw_dbg_trigger_tlv*
  91 _iwl_fw_dbg_get_trigger(const struct iwl_fw *fw, enum iwl_fw_dbg_trigger id)
  92 {
  93         return fw->dbg_trigger_tlv[id];
  94 }
  95
  96 #define iwl_fw_dbg_get_trigger(fw, id) ({                       \
  97         BUILD_BUG_ON(!__builtin_constant_p(id));                \
  98         BUILD_BUG_ON((id) >= FW_DBG_TRIGGER_MAX);               \
  99         _iwl_fw_dbg_get_trigger((fw), (id));                    \
 100 })
 101
 102 static inline bool
 103 iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
 104                              struct ieee80211_vif *vif)
 105 {
 106         u32 trig_vif = le32_to_cpu(trig->vif_type);
 107
 108         return trig_vif == IWL_FW_DBG_CONF_VIF_ANY ||
 109                ieee80211_vif_type_p2p(vif) == trig_vif;
 110 }
 111
 112 static inline bool
 113 iwl_fw_dbg_trigger_stop_conf_match(struct iwl_mvm *mvm,
 114                                    struct iwl_fw_dbg_trigger_tlv *trig)
 115 {
 116         return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
 117                 (mvm->fw_dbg_conf == FW_DBG_INVALID ||
 118                 (BIT(mvm->fw_dbg_conf) & le32_to_cpu(trig->stop_conf_ids))));
 119 }
 120
 121 static inline bool
 122 iwl_fw_dbg_no_trig_window(struct iwl_mvm *mvm,
 123                           struct iwl_fw_dbg_trigger_tlv *trig)
 124 {
 125         unsigned long wind_jiff =
 126                 msecs_to_jiffies(le16_to_cpu(trig->trig_dis_ms));
 127         u32 id = le32_to_cpu(trig->id);
 128
 129         /* If this is the first event checked, jump to update start ts */
 130         if (mvm->fw_dbg_non_collect_ts_start[id] &&
 131             (time_after(mvm->fw_dbg_non_collect_ts_start[id] + wind_jiff,
 132                         jiffies)))
 133                 return true;
 134
 135         mvm->fw_dbg_non_collect_ts_start[id] = jiffies;
 136         return false;
 137 }
 138
 139 static inline bool
 140 iwl_fw_dbg_trigger_check_stop(struct iwl_mvm *mvm,
 141                               struct ieee80211_vif *vif,
 142                               struct iwl_fw_dbg_trigger_tlv *trig)
 143 {
 144         if (vif && !iwl_fw_dbg_trigger_vif_match(trig, vif))
 145                 return false;
 146
 147         if (iwl_fw_dbg_no_trig_window(mvm, trig)) {
 148                 IWL_WARN(mvm, "Trigger %d occurred while no-collect window.\n",
 149                          trig->id);
 150                 return false;
 151         }
 152
 153         return iwl_fw_dbg_trigger_stop_conf_match(mvm, trig);
 154 }
 155
 156 static inline void
 157 _iwl_fw_dbg_trigger_simple_stop(struct iwl_mvm *mvm,
 158                                 struct ieee80211_vif *vif,
 159                                 struct iwl_fw_dbg_trigger_tlv *trigger)
 160 {
 161         if (!trigger)
 162                 return;
 163
 164         if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trigger))
 165                 return;
 166
 167         iwl_mvm_fw_dbg_collect_trig(mvm, trigger, NULL);
 168 }
 169
 170 #define iwl_fw_dbg_trigger_simple_stop(mvm, vif, trig)  \
 171         _iwl_fw_dbg_trigger_simple_stop((mvm), (vif),   \
 172                                         iwl_fw_dbg_get_trigger((mvm)->fw,\
 173                                                                (trig)))
 174
 175 #endif  /* __mvm_fw_dbg_h__ */