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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 2.1 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 "hw/ppc/spapr.h"
#include "sysemu/dma.h"
#include "hw/irq.h"
#include "qom/object.h"
#define TYPE_VIO_SPAPR_DEVICE "vio-spapr-device"
OBJECT_DECLARE_TYPE(SpaprVioDevice, SpaprVioDeviceClass,
VIO_SPAPR_DEVICE)
#define TYPE_SPAPR_VIO_BUS "spapr-vio-bus"
OBJECT_DECLARE_SIMPLE_TYPE(SpaprVioBus, SPAPR_VIO_BUS)
#define TYPE_SPAPR_VIO_BRIDGE "spapr-vio-bridge"
typedef struct SpaprVioCrq {
uint64_t qladdr;
uint32_t qsize;
uint32_t qnext;
int(*SendFunc)(struct SpaprVioDevice *vdev, uint8_t *crq);
} SpaprVioCrq;
struct SpaprVioDeviceClass {
DeviceClass parent_class;
const char *dt_name, *dt_type, *dt_compatible;
target_ulong signal_mask;
uint32_t rtce_window_size;
void (*realize)(SpaprVioDevice *dev, Error **errp);
void (*reset)(SpaprVioDevice *dev);
int (*devnode)(SpaprVioDevice *dev, void *fdt, int node_off);
const char *(*get_dt_compatible)(SpaprVioDevice *dev);
};
struct SpaprVioDevice {
DeviceState qdev;
uint32_t reg;
uint32_t irq;
uint64_t signal_state;
SpaprVioCrq crq;
AddressSpace as;
MemoryRegion mrroot;
MemoryRegion mrbypass;
SpaprTceTable *tcet;
};
#define DEFINE_SPAPR_PROPERTIES(type, field) \
DEFINE_PROP_UINT32("reg", type, field.reg, -1)
struct SpaprVioBus {
BusState bus;
uint32_t next_reg;
};
SpaprVioBus *spapr_vio_bus_init(void);
SpaprVioDevice *spapr_vio_find_by_reg(SpaprVioBus *bus, uint32_t reg);
void spapr_dt_vdevice(SpaprVioBus *bus, void *fdt);
gchar *spapr_vio_stdout_path(SpaprVioBus *bus);
static inline void spapr_vio_irq_pulse(SpaprVioDevice *dev)
{
SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
qemu_irq_pulse(spapr_qirq(spapr, dev->irq));
}
static inline bool spapr_vio_dma_valid(SpaprVioDevice *dev, uint64_t taddr,
uint32_t size, DMADirection dir)
{
return dma_memory_valid(&dev->as, taddr, size, dir, MEMTXATTRS_UNSPECIFIED);
}
static inline int spapr_vio_dma_read(SpaprVioDevice *dev, uint64_t taddr,
void *buf, uint32_t size)
{
return (dma_memory_read(&dev->as, taddr,
buf, size, MEMTXATTRS_UNSPECIFIED) != 0) ?
H_DEST_PARM : H_SUCCESS;
}
static inline int spapr_vio_dma_write(SpaprVioDevice *dev, uint64_t taddr,
const void *buf, uint32_t size)
{
return (dma_memory_write(&dev->as, taddr,
buf, size, MEMTXATTRS_UNSPECIFIED) != 0) ?
H_DEST_PARM : H_SUCCESS;
}
static inline int spapr_vio_dma_set(SpaprVioDevice *dev, uint64_t taddr,
uint8_t c, uint32_t size)
{
return (dma_memory_set(&dev->as, taddr,
c, size, MEMTXATTRS_UNSPECIFIED) != 0) ?
H_DEST_PARM : H_SUCCESS;
}
#define vio_stb(_dev, _addr, _val) \
(stb_dma(&(_dev)->as, (_addr), (_val), MEMTXATTRS_UNSPECIFIED))
#define vio_sth(_dev, _addr, _val) \
(stw_be_dma(&(_dev)->as, (_addr), (_val), MEMTXATTRS_UNSPECIFIED))
#define vio_stl(_dev, _addr, _val) \
(stl_be_dma(&(_dev)->as, (_addr), (_val), MEMTXATTRS_UNSPECIFIED))
#define vio_stq(_dev, _addr, _val) \
(stq_be_dma(&(_dev)->as, (_addr), (_val), MEMTXATTRS_UNSPECIFIED))
#define vio_ldq(_dev, _addr) \
({ \
uint64_t _val; \
ldq_be_dma(&(_dev)->as, (_addr), &_val, MEMTXATTRS_UNSPECIFIED); \
_val; \
})
int spapr_vio_send_crq(SpaprVioDevice *dev, uint8_t *crq);
SpaprVioDevice *vty_lookup(SpaprMachineState *spapr, target_ulong reg);
void vty_putchars(SpaprVioDevice *sdev, uint8_t *buf, int len);
void spapr_vty_create(SpaprVioBus *bus, Chardev *chardev);
void spapr_vlan_create(SpaprVioBus *bus, NICInfo *nd);
void spapr_vscsi_create(SpaprVioBus *bus);
SpaprVioDevice *spapr_vty_get_default(SpaprVioBus *bus);
extern const VMStateDescription vmstate_spapr_vio;
#define VMSTATE_SPAPR_VIO(_f, _s) \
VMSTATE_STRUCT(_f, _s, 0, vmstate_spapr_vio, SpaprVioDevice)
void spapr_vio_set_bypass(SpaprVioDevice *dev, bool bypass);
#endif /* HW_SPAPR_VIO_H */
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