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hw/fsi: Introduce IBM's Local bus

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This is a part of patchset where IBM's Flexible Service Interface is
introduced.

The LBUS is modelled to maintain mapped memory for the devices. The
memory is mapped after CFAM config, peek table and FSI slave registers.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Ninad Palsule <ninad@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
[ clg: - removed lbus_add_device() bc unused
       - removed lbus_create_device() bc used only once
       - removed "address" property
       - updated meson.build to build fsi dir
       - included an empty hw/fsi/trace-events ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Ninad Palsule 2024-01-26 04:49:46 -06:00 • committed by Cédric Le Goater
parent dc13909ed0
commit 99f0c046f4
9 changed files with 82 additions and 0 deletions
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32
include/hw/fsi/lbus.h Normal file
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/*
* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright (C) 2024 IBM Corp.
*
* IBM Local bus and connected device structures.
*/
#ifndef FSI_LBUS_H
#define FSI_LBUS_H
#include "hw/qdev-core.h"
#include "qemu/units.h"
#include "exec/memory.h"
#define TYPE_FSI_LBUS_DEVICE "fsi.lbus.device"
OBJECT_DECLARE_SIMPLE_TYPE(FSILBusDevice, FSI_LBUS_DEVICE)
typedef struct FSILBusDevice {
DeviceState parent;
MemoryRegion iomem;
} FSILBusDevice;
#define TYPE_FSI_LBUS "fsi.lbus"
OBJECT_DECLARE_SIMPLE_TYPE(FSILBus, FSI_LBUS)
typedef struct FSILBus {
BusState bus;
MemoryRegion mr;
} FSILBus;
#endif /* FSI_LBUS_H */