iwlwifi: dbg_ini: support domain changing via debugfs (068893b7) · Commits · 戴 / test

drivers/net/wireless/intel/iwlwifi/fw/debugfs.c

+35 −0

Original line number	Diff line number	Diff line
		@@ -320,10 +320,45 @@ out:

		FWRT_DEBUGFS_WRITE_FILE_OPS(send_hcmd, 512);

		static ssize_t iwl_dbgfs_fw_dbg_domain_write(struct iwl_fw_runtime *fwrt,
		char *buf, size_t count)
		{
		u32 new_domain;
		int ret;

		if (!iwl_trans_fw_running(fwrt->trans))
		return -EIO;

		ret = kstrtou32(buf, 0, &new_domain);
		if (ret)
		return ret;

		if (new_domain != fwrt->trans->dbg.domains_bitmap) {
		ret = iwl_dbg_tlv_gen_active_trigs(fwrt, new_domain);
		if (ret)
		return ret;

		iwl_dbg_tlv_time_point(fwrt, IWL_FW_INI_TIME_POINT_PERIODIC,
		NULL);
		}

		return count;
		}

		static ssize_t iwl_dbgfs_fw_dbg_domain_read(struct iwl_fw_runtime *fwrt,
		size_t size, char *buf)
		{
		return scnprintf(buf, size, "0x%08x\n",
		fwrt->trans->dbg.domains_bitmap);
		}

		FWRT_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_domain, 20);

		void iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt,
		struct dentry *dbgfs_dir)
		{
		INIT_DELAYED_WORK(&fwrt->timestamp.wk, iwl_fw_timestamp_marker_wk);
		FWRT_DEBUGFS_ADD_FILE(timestamp_marker, dbgfs_dir, 0200);
		FWRT_DEBUGFS_ADD_FILE(send_hcmd, dbgfs_dir, 0200);
		FWRT_DEBUGFS_ADD_FILE(fw_dbg_domain, dbgfs_dir, 0600);
		}

+5 −0

Original line number	Diff line number	Diff line
		@@ -1249,6 +1249,11 @@ static inline void iwl_trans_fw_error(struct iwl_trans *trans)
		iwl_op_mode_nic_error(trans->op_mode);
		}

		static inline bool iwl_trans_fw_running(struct iwl_trans *trans)
		{
		return trans->state == IWL_TRANS_FW_ALIVE;
		}

		static inline void iwl_trans_sync_nmi(struct iwl_trans *trans)
		{
		if (trans->ops->sync_nmi)