diff options
Diffstat (limited to 'src/vnet/devices/virtio/cli.c')
| -rw-r--r-- | src/vnet/devices/virtio/cli.c | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/src/vnet/devices/virtio/cli.c b/src/vnet/devices/virtio/cli.c new file mode 100644 index 00000000000..82dc5a117b8 --- /dev/null +++ b/src/vnet/devices/virtio/cli.c @@ -0,0 +1,208 @@ +/* + *------------------------------------------------------------------ + * 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 <stdint.h> +#include <net/if.h> +#include <sys/ioctl.h> +#include <inttypes.h> + +#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; + u32 tmp; + 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 if (unformat (line_input, "rx-queue-size %u", &tmp)) + args.rxq_size = tmp; + else if (unformat (line_input, "tx-queue-size %u", &tmp)) + args.txq_size = tmp; + 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>] [rx-queue-size <size>] [tx-queue-size <size>]", + .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 *vmxm = &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 (vmxm->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 *vmxm = &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, vmxm->interfaces, + vec_add1 (hw_if_indices, vif->hw_if_index); + ); + } + else if (show_device_config) + { + vif = pool_elt_at_index (vmxm->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) +{ + return 0; +} + +VLIB_INIT_FUNCTION (virtio_pci_cli_init); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |