1 files changed, 29 insertions, 0 deletions
diff --git a/hw/block/nvme-subsys.h b/hw/block/nvme-subsys.h
new file mode 100644
index 0000000000..fc86d01ff3
--- /dev/null
+++ b/hw/block/nvme-subsys.h
@@ -0,0 +1,29 @@
+/*
+ * QEMU NVM Express Subsystem: nvme-subsys
+ *
+ * Copyright (c) 2021 Minwoo Im <minwoo.im.dev@gmail.com>
+ *
+ * This code is licensed under the GNU GPL v2.  Refer COPYING.
+ */
+
+#ifndef NVME_SUBSYS_H
+#define NVME_SUBSYS_H
+
+#define TYPE_NVME_SUBSYS "nvme-subsys"
+#define NVME_SUBSYS(obj) \
+    OBJECT_CHECK(NvmeSubsystem, (obj), TYPE_NVME_SUBSYS)
+
+#define NVME_SUBSYS_MAX_CTRLS   32
+
+typedef struct NvmeCtrl NvmeCtrl;
+typedef struct NvmeNamespace NvmeNamespace;
+typedef struct NvmeSubsystem {
+    DeviceState parent_obj;
+    uint8_t     subnqn[256];
+
+    struct {
+        char *nqn;
+    } params;
+} NvmeSubsystem;
+
+#endif /* NVME_SUBSYS_H */