1 /* 2 * QEMU PowerPC PowerNV Emulation of some SBE behaviour 3 * 4 * Copyright (c) 2022, IBM Corporation. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef PPC_PNV_SBE_H 21 #define PPC_PNV_SBE_H 22 23 #include "exec/memory.h" 24 #include "hw/qdev-core.h" 25 26 #define TYPE_PNV_SBE "pnv-sbe" 27 OBJECT_DECLARE_TYPE(PnvSBE, PnvSBEClass, PNV_SBE) 28 #define TYPE_PNV9_SBE TYPE_PNV_SBE "-POWER9" 29 DECLARE_INSTANCE_CHECKER(PnvSBE, PNV9_SBE, TYPE_PNV9_SBE) 30 #define TYPE_PNV10_SBE TYPE_PNV_SBE "-POWER10" 31 DECLARE_INSTANCE_CHECKER(PnvSBE, PNV10_SBE, TYPE_PNV10_SBE) 32 33 struct PnvSBE { 34 DeviceState xd; 35 36 uint64_t mbox[8]; 37 uint64_t sbe_doorbell; 38 uint64_t host_doorbell; 39 40 qemu_irq psi_irq; 41 QEMUTimer *timer; 42 43 MemoryRegion xscom_mbox_regs; 44 MemoryRegion xscom_ctrl_regs; 45 }; 46 47 struct PnvSBEClass { 48 DeviceClass parent_class; 49 50 int xscom_ctrl_size; 51 int xscom_mbox_size; 52 const MemoryRegionOps *xscom_ctrl_ops; 53 const MemoryRegionOps *xscom_mbox_ops; 54 }; 55 56 #endif /* PPC_PNV_SBE_H */ 57