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#ifndef _HW_SPAPR_VIO_H
#define _HW_SPAPR_VIO_H
/*
* QEMU sPAPR VIO bus definitions
*
* Copyright (c) 2010 David Gibson, IBM Corporation <david@gibson.dropbear.id.au>
* Based on the s390 virtio bus definitions:
* Copyright (c) 2009 Alexander Graf <agraf@suse.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "sysemu/dma.h"
#define TYPE_VIO_SPAPR_DEVICE "vio-spapr-device"
#define VIO_SPAPR_DEVICE(obj) \
OBJECT_CHECK(VIOsPAPRDevice, (obj), TYPE_VIO_SPAPR_DEVICE)
#define VIO_SPAPR_DEVICE_CLASS(klass) \
OBJECT_CLASS_CHECK(VIOsPAPRDeviceClass, (klass), TYPE_VIO_SPAPR_DEVICE)
#define VIO_SPAPR_DEVICE_GET_CLASS(obj) \
OBJECT_GET_CLASS(VIOsPAPRDeviceClass, (obj), TYPE_VIO_SPAPR_DEVICE)
#define TYPE_SPAPR_VIO_BUS "spapr-vio-bus"
#define SPAPR_VIO_BUS(obj) OBJECT_CHECK(VIOsPAPRBus, (obj), TYPE_SPAPR_VIO_BUS)
struct VIOsPAPRDevice;
typedef struct VIOsPAPR_CRQ {
uint64_t qladdr;
uint32_t qsize;
uint32_t qnext;
int(*SendFunc)(struct VIOsPAPRDevice *vdev, uint8_t *crq);
} VIOsPAPR_CRQ;
typedef struct VIOsPAPRDevice VIOsPAPRDevice;
typedef struct VIOsPAPRBus VIOsPAPRBus;
typedef struct VIOsPAPRDeviceClass {
DeviceClass parent_class;
const char *dt_name, *dt_type, *dt_compatible;
target_ulong signal_mask;
uint32_t rtce_window_size;
int (*init)(VIOsPAPRDevice *dev);
void (*reset)(VIOsPAPRDevice *dev);
int (*devnode)(VIOsPAPRDevice *dev, void *fdt, int node_off);
} VIOsPAPRDeviceClass;
struct VIOsPAPRDevice {
DeviceState qdev;
uint32_t reg;
uint32_t irq;
target_ulong signal_state;
VIOsPAPR_CRQ crq;
DMAContext *dma;
};
#define DEFINE_SPAPR_PROPERTIES(type, field) \
DEFINE_PROP_UINT32("reg", type, field.reg, -1)
struct VIOsPAPRBus {
BusState bus;
uint32_t next_reg;
int (*init)(VIOsPAPRDevice *dev);
int (*devnode)(VIOsPAPRDevice *dev, void *fdt, int node_off);
};
extern VIOsPAPRBus *spapr_vio_bus_init(void);
extern VIOsPAPRDevice *spapr_vio_find_by_reg(VIOsPAPRBus *bus, uint32_t reg);
extern int spapr_populate_vdevice(VIOsPAPRBus *bus, void *fdt);
extern int spapr_populate_chosen_stdout(void *fdt, VIOsPAPRBus *bus);
extern int spapr_vio_signal(VIOsPAPRDevice *dev, target_ulong mode);
static inline qemu_irq spapr_vio_qirq(VIOsPAPRDevice *dev)
{
return xics_get_qirq(spapr->icp, dev->irq);
}
static inline bool spapr_vio_dma_valid(VIOsPAPRDevice *dev, uint64_t taddr,
uint32_t size, DMADirection dir)
{
return dma_memory_valid(dev->dma, taddr, size, dir);
}
static inline int spapr_vio_dma_read(VIOsPAPRDevice *dev, uint64_t taddr,
void *buf, uint32_t size)
{
return (dma_memory_read(dev->dma, taddr, buf, size) != 0) ?
H_DEST_PARM : H_SUCCESS;
}
static inline int spapr_vio_dma_write(VIOsPAPRDevice *dev, uint64_t taddr,
const void *buf, uint32_t size)
{
return (dma_memory_write(dev->dma, taddr, buf, size) != 0) ?
H_DEST_PARM : H_SUCCESS;
}
static inline int spapr_vio_dma_set(VIOsPAPRDevice *dev, uint64_t taddr,
uint8_t c, uint32_t size)
{
return (dma_memory_set(dev->dma, taddr, c, size) != 0) ?
H_DEST_PARM : H_SUCCESS;
}
#define vio_stb(_dev, _addr, _val) (stb_dma((_dev)->dma, (_addr), (_val)))
#define vio_sth(_dev, _addr, _val) (stw_be_dma((_dev)->dma, (_addr), (_val)))
#define vio_stl(_dev, _addr, _val) (stl_be_dma((_dev)->dma, (_addr), (_val)))
#define vio_stq(_dev, _addr, _val) (stq_be_dma((_dev)->dma, (_addr), (_val)))
#define vio_ldq(_dev, _addr) (ldq_be_dma((_dev)->dma, (_addr)))
int spapr_vio_send_crq(VIOsPAPRDevice *dev, uint8_t *crq);
VIOsPAPRDevice *vty_lookup(sPAPREnvironment *spapr, target_ulong reg);
void vty_putchars(VIOsPAPRDevice *sdev, uint8_t *buf, int len);
void spapr_vty_create(VIOsPAPRBus *bus, CharDriverState *chardev);
void spapr_vlan_create(VIOsPAPRBus *bus, NICInfo *nd);
void spapr_vscsi_create(VIOsPAPRBus *bus);
VIOsPAPRDevice *spapr_vty_get_default(VIOsPAPRBus *bus);
void spapr_vio_quiesce(void);
#endif /* _HW_SPAPR_VIO_H */
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