xref: /openbmc/qemu/include/hw/fsi/fsi.h (revision d6fd5d83)
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 "exec/memory.h"
11 #include "hw/qdev-core.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 */
38