1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/*
* xio3130_upstream.c
* TI X3130 pci express upstream port switch
*
* Copyright (c) 2010 Isaku Yamahata <yamahata at valinux co jp>
* VA Linux Systems Japan K.K.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "pci_ids.h"
#include "msi.h"
#include "pcie.h"
#include "xio3130_upstream.h"
#define PCI_DEVICE_ID_TI_XIO3130U 0x8232 /* upstream port */
#define XIO3130_REVISION 0x2
#define XIO3130_MSI_OFFSET 0x70
#define XIO3130_MSI_SUPPORTED_FLAGS PCI_MSI_FLAGS_64BIT
#define XIO3130_MSI_NR_VECTOR 1
#define XIO3130_SSVID_OFFSET 0x80
#define XIO3130_SSVID_SVID 0
#define XIO3130_SSVID_SSID 0
#define XIO3130_EXP_OFFSET 0x90
#define XIO3130_AER_OFFSET 0x100
static void xio3130_upstream_write_config(PCIDevice *d, uint32_t address,
uint32_t val, int len)
{
pci_bridge_write_config(d, address, val, len);
pcie_cap_flr_write_config(d, address, val, len);
pcie_aer_write_config(d, address, val, len);
}
static void xio3130_upstream_reset(DeviceState *qdev)
{
PCIDevice *d = PCI_DEVICE(qdev);
pci_bridge_reset(qdev);
pcie_cap_deverr_reset(d);
}
static int xio3130_upstream_initfn(PCIDevice *d)
{
PCIBridge* br = DO_UPCAST(PCIBridge, dev, d);
PCIEPort *p = DO_UPCAST(PCIEPort, br, br);
int rc;
int tmp;
rc = pci_bridge_initfn(d);
if (rc < 0) {
return rc;
}
pcie_port_init_reg(d);
rc = msi_init(d, XIO3130_MSI_OFFSET, XIO3130_MSI_NR_VECTOR,
XIO3130_MSI_SUPPORTED_FLAGS & PCI_MSI_FLAGS_64BIT,
XIO3130_MSI_SUPPORTED_FLAGS & PCI_MSI_FLAGS_MASKBIT);
if (rc < 0) {
goto err_bridge;
}
rc = pci_bridge_ssvid_init(d, XIO3130_SSVID_OFFSET,
XIO3130_SSVID_SVID, XIO3130_SSVID_SSID);
if (rc < 0) {
goto err_bridge;
}
rc = pcie_cap_init(d, XIO3130_EXP_OFFSET, PCI_EXP_TYPE_UPSTREAM,
p->port);
if (rc < 0) {
goto err_msi;
}
pcie_cap_flr_init(d);
pcie_cap_deverr_init(d);
rc = pcie_aer_init(d, XIO3130_AER_OFFSET);
if (rc < 0) {
goto err;
}
return 0;
err:
pcie_cap_exit(d);
err_msi:
msi_uninit(d);
err_bridge:
tmp = pci_bridge_exitfn(d);
assert(!tmp);
return rc;
}
static int xio3130_upstream_exitfn(PCIDevice *d)
{
pcie_aer_exit(d);
pcie_cap_exit(d);
msi_uninit(d);
return pci_bridge_exitfn(d);
}
PCIEPort *xio3130_upstream_init(PCIBus *bus, int devfn, bool multifunction,
const char *bus_name, pci_map_irq_fn map_irq,
uint8_t port)
{
PCIDevice *d;
PCIBridge *br;
DeviceState *qdev;
d = pci_create_multifunction(bus, devfn, multifunction, "x3130-upstream");
if (!d) {
return NULL;
}
br = DO_UPCAST(PCIBridge, dev, d);
qdev = &br->dev.qdev;
pci_bridge_map_irq(br, bus_name, map_irq);
qdev_prop_set_uint8(qdev, "port", port);
qdev_init_nofail(qdev);
return DO_UPCAST(PCIEPort, br, br);
}
static const VMStateDescription vmstate_xio3130_upstream = {
.name = "xio3130-express-upstream-port",
.version_id = 1,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
.fields = (VMStateField[]) {
VMSTATE_PCIE_DEVICE(br.dev, PCIEPort),
VMSTATE_STRUCT(br.dev.exp.aer_log, PCIEPort, 0, vmstate_pcie_aer_log,
PCIEAERLog),
VMSTATE_END_OF_LIST()
}
};
static Property xio3130_upstream_properties[] = {
DEFINE_PROP_UINT8("port", PCIEPort, port, 0),
DEFINE_PROP_UINT16("aer_log_max", PCIEPort, br.dev.exp.aer_log.log_max,
PCIE_AER_LOG_MAX_DEFAULT),
DEFINE_PROP_END_OF_LIST(),
};
static void xio3130_upstream_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
k->is_express = 1;
k->is_bridge = 1;
k->config_write = xio3130_upstream_write_config;
k->init = xio3130_upstream_initfn;
k->exit = xio3130_upstream_exitfn;
k->vendor_id = PCI_VENDOR_ID_TI;
k->device_id = PCI_DEVICE_ID_TI_XIO3130U;
k->revision = XIO3130_REVISION;
dc->desc = "TI X3130 Upstream Port of PCI Express Switch";
dc->reset = xio3130_upstream_reset;
dc->vmsd = &vmstate_xio3130_upstream;
dc->props = xio3130_upstream_properties;
}
static TypeInfo xio3130_upstream_info = {
.name = "x3130-upstream",
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(PCIEPort),
.class_init = xio3130_upstream_class_init,
};
static void xio3130_upstream_register_types(void)
{
type_register_static(&xio3130_upstream_info);
}
type_init(xio3130_upstream_register_types)
/*
* Local variables:
* c-indent-level: 4
* c-basic-offset: 4
* tab-width: 8
* indent-tab-mode: nil
* End:
*/
|
