msm: ipa4: function prototype for new qmap flow control (4aa37836) · Commits · e / devices / android_kernel_fairphone_FP5

include/linux/ipa.h

+81 −1

Original line number	Diff line number	Diff line
		@@ -829,7 +829,6 @@ struct ipa_rx_page_data {
		bool is_tmp_alloc;
		};


		/**
		* enum ipa_irq_type - IPA Interrupt Type
		* Used to register handlers for IPA interrupts
		@@ -1508,6 +1507,18 @@ int ipa_set_single_ndp_per_mbim(bool enable);
		int ipa_tx_dp(enum ipa_client_type dst, struct sk_buff *skb,
		struct ipa_tx_meta *metadata);

		/*
		* ipa_rmnet_ctl_xmit - QMAP Flow control TX
		*
		* @skb - tx QMAP control packet
		*
		* Note: This need to be called after client receive rmnet_ctl_
		* ready_cb and want to send TX flow control message.
		*
		* This funciton will return 0 on success, -EAGAIN if pipe if full.
		*/
		int ipa_rmnet_ctl_xmit(struct sk_buff *skb);

		/*
		* To transfer multiple data packets
		* While passing the data descriptor list, the anchor node
		@@ -1700,6 +1711,12 @@ int ipa_stop_gsi_channel(u32 clnt_hdl);

		typedef void (ipa_ready_cb)(void user_data);

		typedef void (ipa_rmnet_ctl_ready_cb)(void user_data);

		typedef void (ipa_rmnet_ctl_stop_cb)(void user_data);

		typedef void (ipa_rmnet_ctl_rx_notify_cb)(void user_data, void *rx_data);

		/**
		* ipa_register_ipa_ready_cb() - register a callback to be invoked
		* when IPA core driver initialization is complete.
		@@ -1722,6 +1739,45 @@ typedef void (ipa_ready_cb)(void user_data);
		int ipa_register_ipa_ready_cb(void (ipa_ready_cb)(void user_data),
		void *user_data);

		/**
		* ipa_register_rmnet_ctl_cb() - register callbacks to be invoked
		* to rmnet_ctl for qmap flow control pipes setup/teardown/rx_notify.
		*
		* @ipa_rmnet_ctl_ready_cb: CB to be called when pipes setup.
		* @user_data1: user_data for ipa_rmnet_ctl_ready_cb.
		* @ipa_rmnet_ctl_stop_cb: CB to be called when pipes teardown.
		* @user_data2: user_data for ipa_rmnet_ctl_stop_cb.
		* @ipa_rmnet_ctl_rx_notify_cb: CB to be called when receive rx pkts.
		* @user_data3: user_data for ipa_rmnet_ctl_rx_notify_cb.
		* @rx_data: RX data buffer.
		*
		* Note: This function is expected to be utilized for rmnet_ctl
		* module when new qmap flow control is enabled.
		*
		* The function will return 0 on success, -EAGAIN if IPA not ready,
		* -ENXIO is feature is not enabled, -EEXIST if already called.
		*/
		int ipa_register_rmnet_ctl_cb(
		void (ipa_rmnet_ctl_ready_cb)(void user_data1),
		void *user_data1,
		void (ipa_rmnet_ctl_stop_cb)(void user_data2),
		void *user_data2,
		void (ipa_rmnet_ctl_rx_notify_cb)(void user_data3, void *rx_data),
		void *user_data3);

		/**
		* ipa_unregister_rmnet_ctl_cb() - unregister callbacks to be
		* invoked to rmnet_ctl for qmap flow control pipes
		* setup/teardown/rx_notify.
		*
		* Note: This function is expected to be utilized for rmnet_ctl
		* module when new qmap flow control is enabled.
		*
		* The function will return 0 on success, -EAGAIN if IPA not ready,
		* -ENXIO is feature is not enabled.
		*/
		int ipa_unregister_rmnet_ctl_cb(void);

		/**
		* ipa_tz_unlock_reg - Unlocks memory regions so that they become accessible
		* from AP.
		@@ -2173,6 +2229,14 @@ static inline int ipa_tx_dp(enum ipa_client_type dst, struct sk_buff *skb,
		return -EPERM;
		}

		/*
		* QMAP Flow control TX
		*/
		static inline int ipa_rmnet_ctl_xmit(struct sk_buff *skb)
		{
		return -EPERM;
		}

		/*
		* To transfer multiple data packets
		*/
		@@ -2591,6 +2655,22 @@ static inline int ipa_register_ipa_ready_cb(
		return -EPERM;
		}

		static inline int ipa_register_rmnet_ctl_cb(
		void (ipa_rmnet_ctl_ready_cb)(void user_data1),
		void *user_data1,
		void (ipa_rmnet_ctl_stop_cb)(void user_data2),
		void *user_data2,
		void (ipa_rmnet_ctl_rx_notify_cb)(void user_data3, void *rx_data),
		void *user_data3)
		{
		return -EPERM;
		}

		static inline int ipa_unregister_rmnet_ctl_cb(void)
		{
		return -EPERM;
		}

		static inline int ipa_tz_unlock_reg(struct ipa_tz_unlock_reg_info *reg_info,
		u16 num_regs)
		{