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 "qom/object.h" 24 25 #define TYPE_PNV_SBE "pnv-sbe" 26 OBJECT_DECLARE_TYPE(PnvSBE, PnvSBEClass, PNV_SBE) 27 #define TYPE_PNV9_SBE TYPE_PNV_SBE "-POWER9" 28 DECLARE_INSTANCE_CHECKER(PnvSBE, PNV9_SBE, TYPE_PNV9_SBE) 29 #define TYPE_PNV10_SBE TYPE_PNV_SBE "-POWER10" 30 DECLARE_INSTANCE_CHECKER(PnvSBE, PNV10_SBE, TYPE_PNV10_SBE) 31 32 struct PnvSBE { 33 DeviceState xd; 34 35 uint64_t mbox[8]; 36 uint64_t sbe_doorbell; 37 uint64_t host_doorbell; 38 39 qemu_irq psi_irq; 40 QEMUTimer *timer; 41 42 MemoryRegion xscom_mbox_regs; 43 MemoryRegion xscom_ctrl_regs; 44 }; 45 46 struct PnvSBEClass { 47 DeviceClass parent_class; 48 49 int xscom_ctrl_size; 50 int xscom_mbox_size; 51 const MemoryRegionOps *xscom_ctrl_ops; 52 const MemoryRegionOps *xscom_mbox_ops; 53 }; 54 55 #endif /* PPC_PNV_SBE_H */ 56