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iwlwifi: dbg_ini: add consecutive trigger firing support

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When a dump trigger is fired, the driver sets IWL_FWRT_STATUS_DUMPING and
aborts any consecutive dump collection.
To allow consecutive triggers firing, use 5 dump workers and allocate
them upon incoming dump collection requests.

This functionality is needed since in ini debug mode each trigger may
have entirely different memory regions to collect unlike the legacy
mode in which all the triggers dump the same memory regions.

Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Shahar S Matityahu
2019-04-02 15:28:46 +03:00
committed by Luca Coelho
parent e8704b8192
commit c7ab138eb1
6 changed files with 85 additions and 52 deletions
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18
drivers/net/wireless/intel/iwlwifi/mvm/ops.c
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@@ -564,24 +564,24 @@ unlock:
static int iwl_mvm_fwrt_dump_start(void *ctx)
{
struct iwl_mvm *mvm = ctx;
int ret;
ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_FW_DBG_COLLECT);
if (ret)
return ret;
int ret = 0;
mutex_lock(&mvm->mutex);
return 0;
ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_FW_DBG_COLLECT);
if (ret)
mutex_unlock(&mvm->mutex);
return ret;
}
static void iwl_mvm_fwrt_dump_end(void *ctx)
{
struct iwl_mvm *mvm = ctx;
mutex_unlock(&mvm->mutex);
iwl_mvm_unref(mvm, IWL_MVM_REF_FW_DBG_COLLECT);
mutex_unlock(&mvm->mutex);
}
static bool iwl_mvm_fwrt_fw_running(void *ctx)
@@ -880,7 +880,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
return op_mode;
out_free:
iwl_fw_flush_dump(&mvm->fwrt);
iwl_fw_flush_dumps(&mvm->fwrt);
iwl_fw_runtime_free(&mvm->fwrt);
if (iwlmvm_mod_params.init_dbg)