1 #ifndef _HW_SPAPR_VIO_H
2 #define _HW_SPAPR_VIO_H
4 * QEMU sPAPR VIO bus definitions
6 * Copyright (c) 2010 David Gibson, IBM Corporation <david@gibson.dropbear.id.au>
7 * Based on the s390 virtio bus definitions:
8 * Copyright (c) 2009 Alexander Graf <agraf@suse.de>
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
24 #define SPAPR_VIO_TCE_PAGE_SHIFT 12
25 #define SPAPR_VIO_TCE_PAGE_SIZE (1ULL << SPAPR_VIO_TCE_PAGE_SHIFT)
26 #define SPAPR_VIO_TCE_PAGE_MASK (SPAPR_VIO_TCE_PAGE_SIZE - 1)
28 enum VIOsPAPR_TCEAccess
{
35 struct VIOsPAPRDevice
;
37 typedef struct VIOsPAPR_RTCE
{
41 typedef struct VIOsPAPR_CRQ
{
45 int(*SendFunc
)(struct VIOsPAPRDevice
*vdev
, uint8_t *crq
);
48 typedef struct VIOsPAPRDevice
{
53 target_ulong signal_state
;
54 uint32_t rtce_window_size
;
55 VIOsPAPR_RTCE
*rtce_table
;
59 typedef struct VIOsPAPRBus
{
65 const char *dt_name
, *dt_type
, *dt_compatible
;
66 target_ulong signal_mask
;
67 int (*init
)(VIOsPAPRDevice
*dev
);
68 void (*hcalls
)(VIOsPAPRBus
*bus
);
69 int (*devnode
)(VIOsPAPRDevice
*dev
, void *fdt
, int node_off
);
72 extern VIOsPAPRBus
*spapr_vio_bus_init(void);
73 extern VIOsPAPRDevice
*spapr_vio_find_by_reg(VIOsPAPRBus
*bus
, uint32_t reg
);
74 extern void spapr_vio_bus_register_withprop(VIOsPAPRDeviceInfo
*info
);
75 extern int spapr_populate_vdevice(VIOsPAPRBus
*bus
, void *fdt
);
77 extern int spapr_vio_signal(VIOsPAPRDevice
*dev
, target_ulong mode
);
79 int spapr_vio_check_tces(VIOsPAPRDevice
*dev
, target_ulong ioba
,
81 enum VIOsPAPR_TCEAccess access
);
83 int spapr_tce_dma_read(VIOsPAPRDevice
*dev
, uint64_t taddr
,
84 void *buf
, uint32_t size
);
85 int spapr_tce_dma_write(VIOsPAPRDevice
*dev
, uint64_t taddr
,
86 const void *buf
, uint32_t size
);
87 int spapr_tce_dma_zero(VIOsPAPRDevice
*dev
, uint64_t taddr
, uint32_t size
);
88 void stb_tce(VIOsPAPRDevice
*dev
, uint64_t taddr
, uint8_t val
);
89 void sth_tce(VIOsPAPRDevice
*dev
, uint64_t taddr
, uint16_t val
);
90 void stw_tce(VIOsPAPRDevice
*dev
, uint64_t taddr
, uint32_t val
);
91 void stq_tce(VIOsPAPRDevice
*dev
, uint64_t taddr
, uint64_t val
);
92 uint64_t ldq_tce(VIOsPAPRDevice
*dev
, uint64_t taddr
);
94 int spapr_vio_send_crq(VIOsPAPRDevice
*dev
, uint8_t *crq
);
96 void vty_putchars(VIOsPAPRDevice
*sdev
, uint8_t *buf
, int len
);
97 void spapr_vty_create(VIOsPAPRBus
*bus
,
98 uint32_t reg
, CharDriverState
*chardev
,
99 qemu_irq qirq
, uint32_t vio_irq_num
);
101 void spapr_vlan_create(VIOsPAPRBus
*bus
, uint32_t reg
, NICInfo
*nd
,
102 qemu_irq qirq
, uint32_t vio_irq_num
);
104 #endif /* _HW_SPAPR_VIO_H */