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
195
196
197
198
199
200
|
/*
*------------------------------------------------------------------
* Copyright (c) 2018 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*------------------------------------------------------------------
*/
#include <vlib/vlib.h>
#include <vlib/unix/unix.h>
#include <vlib/pci/pci.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/ip/ip4_packet.h>
#include <vnet/ip/ip6_packet.h>
#include <vnet/devices/virtio/virtio.h>
#include <vnet/devices/virtio/pci.h>
static clib_error_t *
virtio_pci_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
virtio_pci_create_if_args_t args;
u64 feature_mask = (u64) ~ (0ULL);
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
return 0;
memset (&args, 0, sizeof (args));
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "%U", unformat_vlib_pci_addr, &args.addr))
;
else if (unformat (line_input, "feature-mask 0x%llx", &feature_mask))
args.features = feature_mask;
else
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
}
unformat_free (line_input);
virtio_pci_create_if (vm, &args);
return args.error;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (virtio_pci_create_command, static) = {
.path = "create interface virtio",
.short_help = "create interface virtio <pci-address> "
"[feature-mask <hex-mask>]",
.function = virtio_pci_create_command_fn,
};
/* *INDENT-ON* */
static clib_error_t *
virtio_pci_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
u32 sw_if_index = ~0;
vnet_hw_interface_t *hw;
virtio_main_t *vim = &virtio_main;
virtio_if_t *vif;
vnet_main_t *vnm = vnet_get_main ();
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "sw_if_index %d", &sw_if_index))
;
else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
vnm, &sw_if_index))
;
else
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
}
unformat_free (line_input);
if (sw_if_index == ~0)
return clib_error_return (0,
"please specify interface name or sw_if_index");
hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
if (hw == NULL || virtio_device_class.index != hw->dev_class_index)
return clib_error_return (0, "not a virtio interface");
vif = pool_elt_at_index (vim->interfaces, hw->dev_instance);
if (virtio_pci_delete_if (vm, vif) < 0)
return clib_error_return (0, "not a virtio pci interface");
return 0;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (virtio_pci_delete_command, static) = {
.path = "delete interface virtio",
.short_help = "delete interface virtio "
"{<interface> | sw_if_index <sw_idx>}",
.function = virtio_pci_delete_command_fn,
};
/* *INDENT-ON* */
static clib_error_t *
show_virtio_pci_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
virtio_main_t *vim = &virtio_main;
vnet_main_t *vnm = &vnet_main;
virtio_if_t *vif;
clib_error_t *error = 0;
u32 hw_if_index, *hw_if_indices = 0;
vnet_hw_interface_t *hi;
u8 show_descr = 0, show_device_config = 0;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat
(input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index))
{
hi = vnet_get_hw_interface (vnm, hw_if_index);
if (virtio_device_class.index != hi->dev_class_index)
{
error = clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
goto done;
}
vec_add1 (hw_if_indices, hw_if_index);
}
else if (unformat (input, "descriptors") || unformat (input, "desc"))
show_descr = 1;
else if (unformat (input, "debug-device"))
show_device_config = 1;
else
{
error = clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
goto done;
}
}
if (vec_len (hw_if_indices) == 0)
{
pool_foreach (vif, vim->interfaces,
vec_add1 (hw_if_indices, vif->hw_if_index);
);
}
else if (show_device_config)
{
vif = pool_elt_at_index (vim->interfaces, hi->dev_instance);
if (vif->type == VIRTIO_IF_TYPE_PCI)
debug_device_config_space (vm, vif);
}
virtio_show (vm, hw_if_indices, show_descr, VIRTIO_IF_TYPE_PCI);
done:
vec_free (hw_if_indices);
return error;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_virtio_pci_command, static) = {
.path = "show virtio pci",
.short_help = "show virtio pci [<interface>] [descriptors | desc] [debug-device]",
.function = show_virtio_pci_fn,
};
/* *INDENT-ON* */
clib_error_t *
virtio_pci_cli_init (vlib_main_t * vm)
{
virtio_main_t *vim = &virtio_main;
vim->log_default = vlib_log_register_class ("virtio-pci", 0);
return 0;
}
VLIB_INIT_FUNCTION (virtio_pci_cli_init);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
