1 files changed, 41 insertions, 0 deletions
diff --git a/include/uapi/linux/virtio_pmem.h b/include/uapi/linux/virtio_pmem.h
new file mode 100644
index 000000000000..ede4f3564977
--- /dev/null
+++ b/include/uapi/linux/virtio_pmem.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause */
+/*
+ * Definitions for virtio-pmem devices.
+ *
+ * Copyright (C) 2019 Red Hat, Inc.
+ *
+ * Author(s): Pankaj Gupta <pagupta@redhat.com>
+ */
+
+#ifndef _UAPI_LINUX_VIRTIO_PMEM_H
+#define _UAPI_LINUX_VIRTIO_PMEM_H
+
+#include <linux/types.h>
+#include <linux/virtio_ids.h>
+#include <linux/virtio_config.h>
+
+/* Feature bits */
+/* guest physical address range will be indicated as shared memory region 0 */
+#define VIRTIO_PMEM_F_SHMEM_REGION 0
+
+/* shmid of the shared memory region corresponding to the pmem */
+#define VIRTIO_PMEM_SHMEM_REGION_ID 0
+
+struct virtio_pmem_config {
+	__le64 start;
+	__le64 size;
+};
+
+#define VIRTIO_PMEM_REQ_TYPE_FLUSH      0
+
+struct virtio_pmem_resp {
+	/* Host return status corresponding to flush request */
+	__le32 ret;
+};
+
+struct virtio_pmem_req {
+	/* command type */
+	__le32 type;
+};
+
+#endif