1 files changed, 55 insertions, 0 deletions
diff --git a/include/hw/ppc/pnv_sbe.h b/include/hw/ppc/pnv_sbe.h
new file mode 100644
index 0000000000..f54a3ae9ba
--- /dev/null
+++ b/include/hw/ppc/pnv_sbe.h
@@ -0,0 +1,55 @@
+/*
+ * QEMU PowerPC PowerNV Emulation of some SBE behaviour
+ *
+ * Copyright (c) 2022, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef PPC_PNV_SBE_H
+#define PPC_PNV_SBE_H
+
+#include "qom/object.h"
+
+#define TYPE_PNV_SBE "pnv-sbe"
+OBJECT_DECLARE_TYPE(PnvSBE, PnvSBEClass, PNV_SBE)
+#define TYPE_PNV9_SBE TYPE_PNV_SBE "-POWER9"
+DECLARE_INSTANCE_CHECKER(PnvSBE, PNV9_SBE, TYPE_PNV9_SBE)
+#define TYPE_PNV10_SBE TYPE_PNV_SBE "-POWER10"
+DECLARE_INSTANCE_CHECKER(PnvSBE, PNV10_SBE, TYPE_PNV10_SBE)
+
+struct PnvSBE {
+    DeviceState xd;
+
+    uint64_t mbox[8];
+    uint64_t sbe_doorbell;
+    uint64_t host_doorbell;
+
+    qemu_irq psi_irq;
+    QEMUTimer *timer;
+
+    MemoryRegion xscom_mbox_regs;
+    MemoryRegion xscom_ctrl_regs;
+};
+
+struct PnvSBEClass {
+    DeviceClass parent_class;
+
+    int xscom_ctrl_size;
+    int xscom_mbox_size;
+    const MemoryRegionOps *xscom_ctrl_ops;
+    const MemoryRegionOps *xscom_mbox_ops;
+};
+
+#endif /* PPC_PNV_SBE_H */