root / hw / spapr_vio.h @ 6e270446
History | View | Annotate | Download (3.7 kB)
1 |
#ifndef _HW_SPAPR_VIO_H
|
---|---|
2 |
#define _HW_SPAPR_VIO_H
|
3 |
/*
|
4 |
* QEMU sPAPR VIO bus definitions
|
5 |
*
|
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>
|
9 |
*
|
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.
|
14 |
*
|
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.
|
19 |
*
|
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/>.
|
22 |
*/
|
23 |
|
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) |
27 |
|
28 |
enum VIOsPAPR_TCEAccess {
|
29 |
SPAPR_TCE_FAULT = 0,
|
30 |
SPAPR_TCE_RO = 1,
|
31 |
SPAPR_TCE_WO = 2,
|
32 |
SPAPR_TCE_RW = 3,
|
33 |
}; |
34 |
|
35 |
struct VIOsPAPRDevice;
|
36 |
|
37 |
typedef struct VIOsPAPR_RTCE { |
38 |
uint64_t tce; |
39 |
} VIOsPAPR_RTCE; |
40 |
|
41 |
typedef struct VIOsPAPR_CRQ { |
42 |
uint64_t qladdr; |
43 |
uint32_t qsize; |
44 |
uint32_t qnext; |
45 |
int(*SendFunc)(struct VIOsPAPRDevice *vdev, uint8_t *crq); |
46 |
} VIOsPAPR_CRQ; |
47 |
|
48 |
typedef struct VIOsPAPRDevice { |
49 |
DeviceState qdev; |
50 |
uint32_t reg; |
51 |
qemu_irq qirq; |
52 |
uint32_t vio_irq_num; |
53 |
target_ulong signal_state; |
54 |
uint32_t rtce_window_size; |
55 |
VIOsPAPR_RTCE *rtce_table; |
56 |
VIOsPAPR_CRQ crq; |
57 |
} VIOsPAPRDevice; |
58 |
|
59 |
typedef struct VIOsPAPRBus { |
60 |
BusState bus; |
61 |
} VIOsPAPRBus; |
62 |
|
63 |
typedef struct { |
64 |
DeviceInfo qdev; |
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); |
70 |
} VIOsPAPRDeviceInfo; |
71 |
|
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); |
76 |
|
77 |
extern int spapr_vio_signal(VIOsPAPRDevice *dev, target_ulong mode); |
78 |
|
79 |
int spapr_vio_check_tces(VIOsPAPRDevice *dev, target_ulong ioba,
|
80 |
target_ulong len, |
81 |
enum VIOsPAPR_TCEAccess access);
|
82 |
|
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); |
93 |
|
94 |
int spapr_vio_send_crq(VIOsPAPRDevice *dev, uint8_t *crq);
|
95 |
|
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); |
100 |
|
101 |
void spapr_vlan_create(VIOsPAPRBus *bus, uint32_t reg, NICInfo *nd,
|
102 |
qemu_irq qirq, uint32_t vio_irq_num); |
103 |
|
104 |
void spapr_vscsi_create(VIOsPAPRBus *bus, uint32_t reg,
|
105 |
qemu_irq qirq, uint32_t vio_irq_num); |
106 |
|
107 |
#endif /* _HW_SPAPR_VIO_H */ |