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#ifndef _HW_SPAPR_VIO_H
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#define _HW_SPAPR_VIO_H
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/*
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 * QEMU sPAPR VIO bus definitions
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 *
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 * Copyright (c) 2010 David Gibson, IBM Corporation <david@gibson.dropbear.id.au>
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 * Based on the s390 virtio bus definitions:
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 * Copyright (c) 2009 Alexander Graf <agraf@suse.de>
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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 */
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typedef struct VIOsPAPRDevice {
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    DeviceState qdev;
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    uint32_t reg;
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    qemu_irq qirq;
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    uint32_t vio_irq_num;
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    target_ulong signal_state;
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} VIOsPAPRDevice;
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typedef struct VIOsPAPRBus {
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    BusState bus;
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} VIOsPAPRBus;
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typedef struct {
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    DeviceInfo qdev;
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    const char *dt_name, *dt_type, *dt_compatible;
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    target_ulong signal_mask;
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    int (*init)(VIOsPAPRDevice *dev);
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    void (*hcalls)(VIOsPAPRBus *bus);
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    int (*devnode)(VIOsPAPRDevice *dev, void *fdt, int node_off);
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} VIOsPAPRDeviceInfo;
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extern VIOsPAPRBus *spapr_vio_bus_init(void);
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extern VIOsPAPRDevice *spapr_vio_find_by_reg(VIOsPAPRBus *bus, uint32_t reg);
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extern void spapr_vio_bus_register_withprop(VIOsPAPRDeviceInfo *info);
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extern int spapr_populate_vdevice(VIOsPAPRBus *bus, void *fdt);
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extern int spapr_vio_signal(VIOsPAPRDevice *dev, target_ulong mode);
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void vty_putchars(VIOsPAPRDevice *sdev, uint8_t *buf, int len);
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void spapr_vty_create(VIOsPAPRBus *bus,
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                      uint32_t reg, CharDriverState *chardev,
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                      qemu_irq qirq, uint32_t vio_irq_num);
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#endif /* _HW_SPAPR_VIO_H */