| 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 "system/memory.h" |
| 24 | #include "hw/core/qdev.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 */ |