1 files changed, 46 insertions, 1 deletions
diff --git a/include/linux/soc/qcom/smd.h b/include/linux/soc/qcom/smd.h
index d7e50aa6a4ac..13f56e855401 100644
--- a/include/linux/soc/qcom/smd.h
+++ b/include/linux/soc/qcom/smd.h
@@ -5,9 +5,54 @@
 #include <linux/mod_devicetable.h>
 
 struct qcom_smd;
-struct qcom_smd_channel;
 struct qcom_smd_lookup;
 
+
+/*
+ * SMD channel states.
+ */
+enum smd_channel_state {
+	SMD_CHANNEL_CLOSED,
+	SMD_CHANNEL_OPENING,
+	SMD_CHANNEL_OPENED,
+	SMD_CHANNEL_FLUSHING,
+	SMD_CHANNEL_CLOSING,
+	SMD_CHANNEL_RESET,
+	SMD_CHANNEL_RESET_OPENING
+};
+
+struct qcom_smd_channel {
+	struct qcom_smd_edge *edge;
+
+	struct qcom_smd_device *qsdev;
+
+	char *name;
+	enum smd_channel_state state;
+	enum smd_channel_state remote_state;
+
+	struct smd_channel_info *tx_info;
+	struct smd_channel_info *rx_info;
+
+	struct smd_channel_info_word *tx_info_word;
+	struct smd_channel_info_word *rx_info_word;
+
+	struct mutex tx_lock;
+	wait_queue_head_t fblockread_event;
+
+	void *tx_fifo;
+	void *rx_fifo;
+	int fifo_size;
+
+	void *bounce_buffer;
+	int (*cb)(struct qcom_smd_device *, const void *, size_t);
+
+	spinlock_t recv_lock;
+
+	int pkt_size;
+
+	struct list_head list;
+};
+
 /**
  * struct qcom_smd_device - smd device struct
  * @dev:	the device struct