1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/net/ipa/ipa_gsi.h b/drivers/net/ipa/ipa_gsi.h
new file mode 100644
index 0000000000..c02cb6f3a2
--- /dev/null
+++ b/drivers/net/ipa/ipa_gsi.h
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2019-2020 Linaro Ltd.
+ */
+#ifndef _IPA_GSI_TRANS_H_
+#define _IPA_GSI_TRANS_H_
+
+#include <linux/types.h>
+
+struct gsi;
+struct gsi_trans;
+struct ipa_gsi_endpoint_data;
+
+/**
+ * ipa_gsi_trans_complete() - GSI transaction completion callback
+ * @trans:	Transaction that has completed
+ *
+ * This called from the GSI layer to notify the IPA layer that a
+ * transaction has completed.
+ */
+void ipa_gsi_trans_complete(struct gsi_trans *trans);
+
+/**
+ * ipa_gsi_trans_release() - GSI transaction release callback
+ * @trans:	Transaction whose resources should be freed
+ *
+ * This called from the GSI layer to notify the IPA layer that a
+ * transaction is about to be freed, so any resources associated
+ * with it should be released.
+ */
+void ipa_gsi_trans_release(struct gsi_trans *trans);
+
+/**
+ * ipa_gsi_channel_tx_queued() - GSI queued to hardware notification
+ * @gsi:	GSI pointer
+ * @channel_id:	Channel number
+ * @count:	Number of transactions queued
+ * @byte_count:	Number of bytes to transfer represented by transactions
+ *
+ * This called from the GSI layer to notify the IPA layer that some
+ * number of transactions have been queued to hardware for execution.
+ */
+void ipa_gsi_channel_tx_queued(struct gsi *gsi, u32 channel_id, u32 count,
+			       u32 byte_count);
+
+/**
+ * ipa_gsi_channel_tx_completed() - GSI transaction completion callback
+ * @gsi:	GSI pointer
+ * @channel_id:	Channel number
+ * @count:	Number of transactions completed since last report
+ * @byte_count:	Number of bytes transferred represented by transactions
+ *
+ * This called from the GSI layer to notify the IPA layer that the hardware
+ * has reported the completion of some number of transactions.
+ */
+void ipa_gsi_channel_tx_completed(struct gsi *gsi, u32 channel_id, u32 count,
+				  u32 byte_count);
+
+/* ipa_gsi_endpoint_data_empty() - Empty endpoint config data test
+ * @data:	endpoint configuration data
+ *
+ * Determines whether an endpoint configuration data entry is empty,
+ * meaning it contains no valid configuration information and should
+ * be ignored.
+ *
+ * Return:	true if empty; false otherwise
+ */
+bool ipa_gsi_endpoint_data_empty(const struct ipa_gsi_endpoint_data *data);
+
+#endif /* _IPA_GSI_TRANS_H_ */