2 *------------------------------------------------------------------
3 * Copyright (c) 2018 Cisco and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *------------------------------------------------------------------
17 #include <vlib/vlib.h>
18 #include <vlib/unix/unix.h>
19 #include <vlib/pci/pci.h>
20 #include <vnet/ethernet/ethernet.h>
21 #include <vnet/ip/ip4_packet.h>
22 #include <vnet/ip/ip6_packet.h>
23 #include <vnet/devices/virtio/virtio.h>
24 #include <vnet/devices/virtio/pci.h>
27 virtio_pci_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
28 vlib_cli_command_t * cmd)
30 unformat_input_t _line_input, *line_input = &_line_input;
31 virtio_pci_create_if_args_t args;
32 u64 feature_mask = (u64) ~ (0ULL);
33 u32 buffering_size = 0;
36 /* Get a line of input. */
37 if (!unformat_user (input, unformat_line_input, line_input))
40 memset (&args, 0, sizeof (args));
41 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
43 if (unformat (line_input, "%U", unformat_vlib_pci_addr, &args.addr))
45 else if (unformat (line_input, "feature-mask 0x%llx", &feature_mask))
46 args.features = feature_mask;
47 if (unformat (line_input, "tx-queue-size %u", &txq_size))
48 args.tx_queue_size = txq_size;
49 else if (unformat (line_input, "gso-enabled"))
51 else if (unformat (line_input, "csum-enabled"))
52 args.checksum_offload_enabled = 1;
53 else if (unformat (line_input, "buffering"))
55 args.virtio_flags |= VIRTIO_FLAG_BUFFERING;
56 if (unformat (line_input, "size %u", &buffering_size))
57 args.buffering_size = buffering_size;
59 else if (unformat (line_input, "packed"))
60 args.virtio_flags |= VIRTIO_FLAG_PACKED;
61 else if (unformat (line_input, "bind force"))
62 args.bind = VIRTIO_BIND_FORCE;
63 else if (unformat (line_input, "bind"))
64 args.bind = VIRTIO_BIND_DEFAULT;
66 return clib_error_return (0, "unknown input `%U'",
67 format_unformat_error, input);
69 unformat_free (line_input);
71 virtio_pci_create_if (vm, &args);
77 VLIB_CLI_COMMAND (virtio_pci_create_command, static) = {
78 .path = "create interface virtio",
79 .short_help = "create interface virtio <pci-address> "
80 "[feature-mask <hex-mask>] [tx-queue-size <size>] "
81 "[gso-enabled] [csum-enabled] "
82 "[buffering [size <buffering-szie>]] [packed] [bind [force]]",
83 .function = virtio_pci_create_command_fn,
88 virtio_pci_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
89 vlib_cli_command_t * cmd)
91 unformat_input_t _line_input, *line_input = &_line_input;
93 vnet_hw_interface_t *hw;
94 virtio_main_t *vim = &virtio_main;
96 vnet_main_t *vnm = vnet_get_main ();
98 /* Get a line of input. */
99 if (!unformat_user (input, unformat_line_input, line_input))
102 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
104 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
106 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
110 return clib_error_return (0, "unknown input `%U'",
111 format_unformat_error, input);
113 unformat_free (line_input);
115 if (sw_if_index == ~0)
116 return clib_error_return (0,
117 "please specify interface name or sw_if_index");
119 hw = vnet_get_sup_hw_interface_api_visible_or_null (vnm, sw_if_index);
120 if (hw == NULL || virtio_device_class.index != hw->dev_class_index)
121 return clib_error_return (0, "not a virtio interface");
123 vif = pool_elt_at_index (vim->interfaces, hw->dev_instance);
125 if (virtio_pci_delete_if (vm, vif) < 0)
126 return clib_error_return (0, "not a virtio pci interface");
132 VLIB_CLI_COMMAND (virtio_pci_delete_command, static) = {
133 .path = "delete interface virtio",
134 .short_help = "delete interface virtio "
135 "{<interface> | sw_if_index <sw_idx>}",
136 .function = virtio_pci_delete_command_fn,
140 static clib_error_t *
141 virtio_pci_enable_command_fn (vlib_main_t * vm, unformat_input_t * input,
142 vlib_cli_command_t * cmd)
144 unformat_input_t _line_input, *line_input = &_line_input;
145 u32 sw_if_index = ~0;
146 vnet_hw_interface_t *hw;
147 virtio_main_t *vim = &virtio_main;
149 vnet_main_t *vnm = vnet_get_main ();
150 int gso_enabled = 0, checksum_offload_enabled = 0;
151 int offloads_disabled = 0;
153 /* Get a line of input. */
154 if (!unformat_user (input, unformat_line_input, line_input))
157 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
159 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
161 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
164 else if (unformat (line_input, "gso-enabled"))
166 else if (unformat (line_input, "csum-offload-enabled"))
167 checksum_offload_enabled = 1;
168 else if (unformat (line_input, "offloads-disabled"))
169 offloads_disabled = 1;
171 return clib_error_return (0, "unknown input `%U'",
172 format_unformat_error, input);
174 unformat_free (line_input);
176 if (sw_if_index == ~0)
177 return clib_error_return (0,
178 "please specify interface name or sw_if_index");
180 hw = vnet_get_sup_hw_interface_api_visible_or_null (vnm, sw_if_index);
181 if (hw == NULL || virtio_device_class.index != hw->dev_class_index)
182 return clib_error_return (0, "not a virtio interface");
184 vif = pool_elt_at_index (vim->interfaces, hw->dev_instance);
186 if (virtio_pci_enable_disable_offloads
187 (vm, vif, gso_enabled, checksum_offload_enabled, offloads_disabled) < 0)
188 return clib_error_return (0, "not able to enable/disable offloads");
194 VLIB_CLI_COMMAND (virtio_pci_enable_command, static) = {
195 .path = "set virtio pci",
196 .short_help = "set virtio pci {<interface> | sw_if_index <sw_idx>}"
197 " [gso-enabled | csum-offload-enabled | offloads-disabled]",
198 .function = virtio_pci_enable_command_fn,
202 static clib_error_t *
203 show_virtio_pci_fn (vlib_main_t * vm, unformat_input_t * input,
204 vlib_cli_command_t * cmd)
206 virtio_main_t *vim = &virtio_main;
207 vnet_main_t *vnm = &vnet_main;
209 clib_error_t *error = 0;
210 u32 hw_if_index, *hw_if_indices = 0;
211 vnet_hw_interface_t *hi;
212 u8 show_descr = 0, show_device_config = 0;
214 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
217 (input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index))
219 hi = vnet_get_hw_interface (vnm, hw_if_index);
220 if (virtio_device_class.index != hi->dev_class_index)
222 error = clib_error_return (0, "unknown input `%U'",
223 format_unformat_error, input);
226 vec_add1 (hw_if_indices, hw_if_index);
228 else if (unformat (input, "descriptors") || unformat (input, "desc"))
230 else if (unformat (input, "debug-device"))
231 show_device_config = 1;
234 error = clib_error_return (0, "unknown input `%U'",
235 format_unformat_error, input);
240 if (vec_len (hw_if_indices) == 0)
242 pool_foreach (vif, vim->interfaces)
243 vec_add1 (hw_if_indices, vif->hw_if_index);
245 else if (show_device_config)
247 vif = pool_elt_at_index (vim->interfaces, hi->dev_instance);
248 if (vif->type == VIRTIO_IF_TYPE_PCI)
249 vif->virtio_pci_func->device_debug_config_space (vm, vif);
252 virtio_show (vm, hw_if_indices, show_descr, VIRTIO_IF_TYPE_PCI);
255 vec_free (hw_if_indices);
260 VLIB_CLI_COMMAND (show_virtio_pci_command, static) = {
261 .path = "show virtio pci",
262 .short_help = "show virtio pci [<interface>] [descriptors | desc] [debug-device]",
263 .function = show_virtio_pci_fn,
268 virtio_pci_cli_init (vlib_main_t * vm)
273 VLIB_INIT_FUNCTION (virtio_pci_cli_init);
276 * fd.io coding-style-patch-verification: ON
279 * eval: (c-set-style "gnu")