| 1 | /* |
| 2 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 3 | * Copyright (C) 2024 IBM Corp. |
| 4 | * |
| 5 | * IBM Flexible Service Interface |
| 6 | */ |
| 7 | #ifndef FSI_FSI_H |
| 8 | #define FSI_FSI_H |
| 9 | |
| 10 | #include "system/memory.h" |
| 11 | #include "hw/core/qdev.h" |
| 12 | #include "hw/fsi/lbus.h" |
| 13 | #include "qemu/bitops.h" |
| 14 | |
| 15 | /* Bitwise operations at the word level. */ |
| 16 | #define BE_GENMASK(hb, lb) MAKE_64BIT_MASK((lb), ((hb) - (lb) + 1)) |
| 17 | |
| 18 | #define TYPE_FSI_BUS "fsi.bus" |
| 19 | OBJECT_DECLARE_SIMPLE_TYPE(FSIBus, FSI_BUS) |
| 20 | |
| 21 | typedef struct FSIBus { |
| 22 | BusState bus; |
| 23 | } FSIBus; |
| 24 | |
| 25 | #define TYPE_FSI_SLAVE "fsi.slave" |
| 26 | OBJECT_DECLARE_SIMPLE_TYPE(FSISlaveState, FSI_SLAVE) |
| 27 | |
| 28 | #define FSI_SLAVE_CONTROL_NR_REGS ((0x40 >> 2) + 1) |
| 29 | |
| 30 | typedef struct FSISlaveState { |
| 31 | DeviceState parent; |
| 32 | |
| 33 | MemoryRegion iomem; |
| 34 | uint32_t regs[FSI_SLAVE_CONTROL_NR_REGS]; |
| 35 | } FSISlaveState; |
| 36 | |
| 37 | #endif /* FSI_FSI_H */ |