v4.19.13 snapshot.
diff --git a/include/linux/vmw_vmci_api.h b/include/linux/vmw_vmci_api.h
new file mode 100644
index 0000000..63df3a2
--- /dev/null
+++ b/include/linux/vmw_vmci_api.h
@@ -0,0 +1,83 @@
+/*
+ * VMware VMCI Driver
+ *
+ * Copyright (C) 2012 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#ifndef __VMW_VMCI_API_H__
+#define __VMW_VMCI_API_H__
+
+#include <linux/uidgid.h>
+#include <linux/vmw_vmci_defs.h>
+
+#undef VMCI_KERNEL_API_VERSION
+#define VMCI_KERNEL_API_VERSION_1 1
+#define VMCI_KERNEL_API_VERSION_2 2
+#define VMCI_KERNEL_API_VERSION VMCI_KERNEL_API_VERSION_2
+
+struct msghdr;
+typedef void (vmci_device_shutdown_fn) (void *device_registration,
+ void *user_data);
+
+int vmci_datagram_create_handle(u32 resource_id, u32 flags,
+ vmci_datagram_recv_cb recv_cb,
+ void *client_data,
+ struct vmci_handle *out_handle);
+int vmci_datagram_create_handle_priv(u32 resource_id, u32 flags, u32 priv_flags,
+ vmci_datagram_recv_cb recv_cb,
+ void *client_data,
+ struct vmci_handle *out_handle);
+int vmci_datagram_destroy_handle(struct vmci_handle handle);
+int vmci_datagram_send(struct vmci_datagram *msg);
+int vmci_doorbell_create(struct vmci_handle *handle, u32 flags,
+ u32 priv_flags,
+ vmci_callback notify_cb, void *client_data);
+int vmci_doorbell_destroy(struct vmci_handle handle);
+int vmci_doorbell_notify(struct vmci_handle handle, u32 priv_flags);
+u32 vmci_get_context_id(void);
+bool vmci_is_context_owner(u32 context_id, kuid_t uid);
+
+int vmci_event_subscribe(u32 event,
+ vmci_event_cb callback, void *callback_data,
+ u32 *subid);
+int vmci_event_unsubscribe(u32 subid);
+u32 vmci_context_get_priv_flags(u32 context_id);
+int vmci_qpair_alloc(struct vmci_qp **qpair,
+ struct vmci_handle *handle,
+ u64 produce_qsize,
+ u64 consume_qsize,
+ u32 peer, u32 flags, u32 priv_flags);
+int vmci_qpair_detach(struct vmci_qp **qpair);
+int vmci_qpair_get_produce_indexes(const struct vmci_qp *qpair,
+ u64 *producer_tail,
+ u64 *consumer_head);
+int vmci_qpair_get_consume_indexes(const struct vmci_qp *qpair,
+ u64 *consumer_tail,
+ u64 *producer_head);
+s64 vmci_qpair_produce_free_space(const struct vmci_qp *qpair);
+s64 vmci_qpair_produce_buf_ready(const struct vmci_qp *qpair);
+s64 vmci_qpair_consume_free_space(const struct vmci_qp *qpair);
+s64 vmci_qpair_consume_buf_ready(const struct vmci_qp *qpair);
+ssize_t vmci_qpair_enqueue(struct vmci_qp *qpair,
+ const void *buf, size_t buf_size, int mode);
+ssize_t vmci_qpair_dequeue(struct vmci_qp *qpair,
+ void *buf, size_t buf_size, int mode);
+ssize_t vmci_qpair_peek(struct vmci_qp *qpair, void *buf, size_t buf_size,
+ int mode);
+ssize_t vmci_qpair_enquev(struct vmci_qp *qpair,
+ struct msghdr *msg, size_t iov_size, int mode);
+ssize_t vmci_qpair_dequev(struct vmci_qp *qpair,
+ struct msghdr *msg, size_t iov_size, int mode);
+ssize_t vmci_qpair_peekv(struct vmci_qp *qpair, struct msghdr *msg, size_t iov_size,
+ int mode);
+
+#endif /* !__VMW_VMCI_API_H__ */