1 files changed, 39 insertions, 0 deletions
diff --git a/include/hw/misc/aspeed_acry.h b/include/hw/misc/aspeed_acry.h
new file mode 100644
index 0000000000..5ca80deec4
--- /dev/null
+++ b/include/hw/misc/aspeed_acry.h
@@ -0,0 +1,39 @@
+/*
+ * ASPEED ACRY Engine
+ *
+ * Copyright (C) 2026 ASPEED Technology Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef ASPEED_ACRY_H
+#define ASPEED_ACRY_H
+
+#include "hw/core/sysbus.h"
+#include "system/memory.h"
+
+#define TYPE_ASPEED_ACRY "aspeed.acry"
+OBJECT_DECLARE_SIMPLE_TYPE(AspeedACRYState, ASPEED_ACRY)
+
+#define ASPEED_ACRY_NR_REGS     (0x400 >> 2)
+/* Max size of the "data" (message) field within the SRAM buffer. */
+#define ASPEED_ACRY_DATA_MAX_LEN 0x800
+#define ASPEED_ACRY_MAX_BITS     4096
+/* Max exponent/modulus size for a 4096-bit RSA key, in bytes. */
+#define ASPEED_ACRY_MAX_BYTES    (ASPEED_ACRY_MAX_BITS / 8)
+
+struct AspeedACRYState {
+    SysBusDevice parent_obj;
+
+    MemoryRegion iomem;
+    qemu_irq irq;
+
+    uint32_t regs[ASPEED_ACRY_NR_REGS];
+
+    MemoryRegion *dram_mr;
+    MemoryRegion *sram_mr;
+    AddressSpace dram_as;
+    AddressSpace sram_as;
+};
+
+#endif /* ASPEED_ACRY_H */