vhost: convert vhost device driver to a plugin

convert vhost device driver to a plugin as described in
https://jira.fd.io/browse/VPP-2065

Type: improvement

Signed-off-by: Steven Luong <sluong@cisco.com>
Change-Id: Ibfe2f351bcaed36a04b136d082ae414145dd37b5

1 files changed, 0 insertions, 352 deletions

diff --git a/src/vnet/devices/virtio/vhost_user_api.c b/src/vnet/devices/virtio/vhost_user_api.c
deleted file mode 100644
index cc1896b108a..00000000000
--- a/src/vnet/devices/virtio/vhost_user_api.c
+++ /dev/null
@@ -1,352 +0,0 @@
-/*
- *------------------------------------------------------------------
- * vhost-user_api.c - vhost-user api
- *
- * Copyright (c) 2016 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 <vnet/vnet.h>
-#include <vlibmemory/api.h>
-
-#include <vnet/interface.h>
-#include <vnet/api_errno.h>
-#include <vnet/devices/virtio/vhost_user.h>
-#include <vnet/ethernet/ethernet.h>
-#include <vnet/ethernet/ethernet_types_api.h>
-#include <vnet/devices/virtio/virtio_types_api.h>
-
-#include <vnet/format_fns.h>
-#include <vnet/devices/virtio/vhost_user.api_enum.h>
-#include <vnet/devices/virtio/vhost_user.api_types.h>
-
-#define REPLY_MSG_ID_BASE msg_id_base
-#include <vlibapi/api_helper_macros.h>
-
-static u16 msg_id_base;
-
-static void
-vl_api_create_vhost_user_if_t_handler (vl_api_create_vhost_user_if_t * mp)
-{
-  int rv = 0;
-  vl_api_create_vhost_user_if_reply_t *rmp;
-  vnet_main_t *vnm = vnet_get_main ();
-  vlib_main_t *vm = vlib_get_main ();
-  u64 disabled_features = (u64) (0ULL);
-  vhost_user_create_if_args_t args = { 0 };
-
-  args.sw_if_index = (u32) ~ 0;
-  args.feature_mask = (u64) ~ (0ULL);
-  if (mp->disable_mrg_rxbuf)
-    disabled_features = VIRTIO_FEATURE (VIRTIO_NET_F_MRG_RXBUF);
-
-  if (mp->disable_indirect_desc)
-    disabled_features |= VIRTIO_FEATURE (VIRTIO_RING_F_INDIRECT_DESC);
-
-  /*
-   * GSO and PACKED are not supported by feature mask via binary API. We
-   * disable GSO and PACKED feature in the feature mask. They may be enabled
-   * explicitly via enable_gso and enable_packed argument
-   */
-  disabled_features |= FEATURE_VIRTIO_NET_F_HOST_GUEST_TSO_FEATURE_BITS |
-    VIRTIO_FEATURE (VIRTIO_F_RING_PACKED);
-
-  /* EVENT_IDX is disabled by default */
-  disabled_features |= VIRTIO_FEATURE (VIRTIO_RING_F_EVENT_IDX);
-  args.feature_mask &= ~disabled_features;
-
-  if (mp->use_custom_mac)
-    mac_address_decode (mp->mac_address, (mac_address_t *) args.hwaddr);
-
-  args.use_custom_mac = mp->use_custom_mac;
-  args.is_server = mp->is_server;
-  args.sock_filename = (char *) mp->sock_filename;
-  args.renumber = mp->renumber;
-  args.custom_dev_instance = ntohl (mp->custom_dev_instance);
-  args.enable_gso = mp->enable_gso;
-  args.enable_packed = mp->enable_packed;
-  rv = vhost_user_create_if (vnm, vm, &args);
-
-  /* Remember an interface tag for the new interface */
-  if (rv == 0)
-    {
-      /* If a tag was supplied... */
-      if (mp->tag[0])
-	{
-	  /* Make sure it's a proper C-string */
-	  mp->tag[ARRAY_LEN (mp->tag) - 1] = 0;
-	  u8 *tag = format (0, "%s%c", mp->tag, 0);
-	  vnet_set_sw_interface_tag (vnm, tag, args.sw_if_index);
-	}
-    }
-
-  /* *INDENT-OFF* */
-  REPLY_MACRO2(VL_API_CREATE_VHOST_USER_IF_REPLY,
-  ({
-    rmp->sw_if_index = ntohl (args.sw_if_index);
-  }));
-  /* *INDENT-ON* */
-}
-
-static void
-vl_api_modify_vhost_user_if_t_handler (vl_api_modify_vhost_user_if_t * mp)
-{
-  int rv = 0;
-  vl_api_modify_vhost_user_if_reply_t *rmp;
-  u64 disabled_features = (u64) (0ULL);
-  vhost_user_create_if_args_t args = { 0 };
-  vnet_main_t *vnm = vnet_get_main ();
-  vlib_main_t *vm = vlib_get_main ();
-
-  args.feature_mask = (u64) ~ (0ULL);
-  /*
-   * GSO and PACKED are not supported by feature mask via binary API. We
-   * disable GSO and PACKED feature in the feature mask. They may be enabled
-   * explicitly via enable_gso and enable_packed argument
-   */
-  disabled_features |= FEATURE_VIRTIO_NET_F_HOST_GUEST_TSO_FEATURE_BITS |
-    VIRTIO_FEATURE (VIRTIO_F_RING_PACKED);
-
-  /* EVENT_IDX is disabled by default */
-  disabled_features |= VIRTIO_FEATURE (VIRTIO_RING_F_EVENT_IDX);
-  args.feature_mask &= ~disabled_features;
-
-  args.sw_if_index = ntohl (mp->sw_if_index);
-  args.sock_filename = (char *) mp->sock_filename;
-  args.is_server = mp->is_server;
-  args.renumber = mp->renumber;
-  args.custom_dev_instance = ntohl (mp->custom_dev_instance);
-  args.enable_gso = mp->enable_gso;
-  args.enable_packed = mp->enable_packed;
-  rv = vhost_user_modify_if (vnm, vm, &args);
-
-  REPLY_MACRO (VL_API_MODIFY_VHOST_USER_IF_REPLY);
-}
-
-static void
-vl_api_create_vhost_user_if_v2_t_handler (vl_api_create_vhost_user_if_v2_t *
-					  mp)
-{
-  int rv = 0;
-  vl_api_create_vhost_user_if_v2_reply_t *rmp;
-  vnet_main_t *vnm = vnet_get_main ();
-  vlib_main_t *vm = vlib_get_main ();
-  u64 disabled_features = (u64) (0ULL);
-  vhost_user_create_if_args_t args = { 0 };
-
-  args.sw_if_index = (u32) ~ 0;
-  args.feature_mask = (u64) ~ (0ULL);
-  if (mp->disable_mrg_rxbuf)
-    disabled_features = VIRTIO_FEATURE (VIRTIO_NET_F_MRG_RXBUF);
-
-  if (mp->disable_indirect_desc)
-    disabled_features |= VIRTIO_FEATURE (VIRTIO_RING_F_INDIRECT_DESC);
-
-  /*
-   * GSO and PACKED are not supported by feature mask via binary API. We
-   * disable GSO and PACKED feature in the feature mask. They may be enabled
-   * explicitly via enable_gso and enable_packed argument
-   */
-  disabled_features |= FEATURE_VIRTIO_NET_F_HOST_GUEST_TSO_FEATURE_BITS |
-    VIRTIO_FEATURE (VIRTIO_F_RING_PACKED);
-
-  /* EVENT_IDX is disabled by default */
-  disabled_features |= VIRTIO_FEATURE (VIRTIO_RING_F_EVENT_IDX);
-  args.feature_mask &= ~disabled_features;
-
-  if (mp->use_custom_mac)
-    mac_address_decode (mp->mac_address, (mac_address_t *) args.hwaddr);
-
-  args.use_custom_mac = mp->use_custom_mac;
-  args.is_server = mp->is_server;
-  args.sock_filename = (char *) mp->sock_filename;
-  args.renumber = mp->renumber;
-  args.custom_dev_instance = ntohl (mp->custom_dev_instance);
-  args.enable_gso = mp->enable_gso;
-  args.enable_packed = mp->enable_packed;
-  args.enable_event_idx = mp->enable_event_idx;
-  rv = vhost_user_create_if (vnm, vm, &args);
-
-  /* Remember an interface tag for the new interface */
-  if (rv == 0)
-    {
-      /* If a tag was supplied... */
-      if (mp->tag[0])
-	{
-	  /* Make sure it's a proper C-string */
-	  mp->tag[ARRAY_LEN (mp->tag) - 1] = 0;
-	  u8 *tag = format (0, "%s%c", mp->tag, 0);
-	  vnet_set_sw_interface_tag (vnm, tag, args.sw_if_index);
-	}
-    }
-
-  /* *INDENT-OFF* */
-  REPLY_MACRO2(VL_API_CREATE_VHOST_USER_IF_V2_REPLY,
-  ({
-    rmp->sw_if_index = ntohl (args.sw_if_index);
-  }));
-  /* *INDENT-ON* */
-}
-
-static void
-vl_api_modify_vhost_user_if_v2_t_handler (vl_api_modify_vhost_user_if_v2_t *
-					  mp)
-{
-  int rv = 0;
-  vl_api_modify_vhost_user_if_v2_reply_t *rmp;
-  u64 disabled_features = (u64) (0ULL);
-  vhost_user_create_if_args_t args = { 0 };
-  vnet_main_t *vnm = vnet_get_main ();
-  vlib_main_t *vm = vlib_get_main ();
-
-  args.feature_mask = (u64) ~ (0ULL);
-  /*
-   * GSO and PACKED are not supported by feature mask via binary API. We
-   * disable GSO and PACKED feature in the feature mask. They may be enabled
-   * explicitly via enable_gso and enable_packed argument
-   */
-  disabled_features |= FEATURE_VIRTIO_NET_F_HOST_GUEST_TSO_FEATURE_BITS |
-    VIRTIO_FEATURE (VIRTIO_F_RING_PACKED);
-
-  /* EVENT_IDX is disabled by default */
-  disabled_features |= VIRTIO_FEATURE (VIRTIO_RING_F_EVENT_IDX);
-  args.feature_mask &= ~disabled_features;
-
-  args.sw_if_index = ntohl (mp->sw_if_index);
-  args.sock_filename = (char *) mp->sock_filename;
-  args.is_server = mp->is_server;
-  args.renumber = mp->renumber;
-  args.custom_dev_instance = ntohl (mp->custom_dev_instance);
-  args.enable_gso = mp->enable_gso;
-  args.enable_packed = mp->enable_packed;
-  args.enable_event_idx = mp->enable_event_idx;
-  rv = vhost_user_modify_if (vnm, vm, &args);
-
-  REPLY_MACRO (VL_API_MODIFY_VHOST_USER_IF_V2_REPLY);
-}
-
-static void
-vl_api_delete_vhost_user_if_t_handler (vl_api_delete_vhost_user_if_t * mp)
-{
-  int rv = 0;
-  vl_api_delete_vhost_user_if_reply_t *rmp;
-  u32 sw_if_index = ntohl (mp->sw_if_index);
-  vl_api_registration_t *reg;
-
-  vnet_main_t *vnm = vnet_get_main ();
-  vlib_main_t *vm = vlib_get_main ();
-
-  rv = vhost_user_delete_if (vnm, vm, sw_if_index);
-
-  REPLY_MACRO (VL_API_DELETE_VHOST_USER_IF_REPLY);
-  if (!rv)
-    {
-      reg = vl_api_client_index_to_registration (mp->client_index);
-      if (!reg)
-	return;
-
-      vnet_clear_sw_interface_tag (vnm, sw_if_index);
-    }
-}
-
-static void
-send_sw_interface_vhost_user_details (vpe_api_main_t * am,
-				      vl_api_registration_t * reg,
-				      vhost_user_intf_details_t * vui,
-				      u32 context)
-{
-  vl_api_sw_interface_vhost_user_details_t *mp;
-
-  mp = vl_msg_api_alloc (sizeof (*mp));
-  clib_memset (mp, 0, sizeof (*mp));
-  mp->_vl_msg_id =
-    ntohs (REPLY_MSG_ID_BASE + VL_API_SW_INTERFACE_VHOST_USER_DETAILS);
-  mp->sw_if_index = ntohl (vui->sw_if_index);
-  mp->virtio_net_hdr_sz = ntohl (vui->virtio_net_hdr_sz);
-  virtio_features_encode (vui->features, (u32 *) & mp->features_first_32,
-			  (u32 *) & mp->features_last_32);
-  mp->is_server = vui->is_server;
-  mp->num_regions = ntohl (vui->num_regions);
-  mp->sock_errno = ntohl (vui->sock_errno);
-  mp->context = context;
-
-  strncpy ((char *) mp->sock_filename,
-	   (char *) vui->sock_filename, ARRAY_LEN (mp->sock_filename) - 1);
-  strncpy ((char *) mp->interface_name,
-	   (char *) vui->if_name, ARRAY_LEN (mp->interface_name) - 1);
-
-  vl_api_send_msg (reg, (u8 *) mp);
-}
-
-static void
-  vl_api_sw_interface_vhost_user_dump_t_handler
-  (vl_api_sw_interface_vhost_user_dump_t * mp)
-{
-  int rv = 0;
-  vpe_api_main_t *am = &vpe_api_main;
-  vnet_main_t *vnm = vnet_get_main ();
-  vlib_main_t *vm = vlib_get_main ();
-  vhost_user_intf_details_t *ifaces = NULL;
-  vhost_user_intf_details_t *vuid = NULL;
-  vl_api_registration_t *reg;
-  u32 filter_sw_if_index;
-
-  reg = vl_api_client_index_to_registration (mp->client_index);
-  if (!reg)
-    return;
-
-  filter_sw_if_index = htonl (mp->sw_if_index);
-  if (filter_sw_if_index != ~0)
-    VALIDATE_SW_IF_INDEX (mp);
-
-  rv = vhost_user_dump_ifs (vnm, vm, &ifaces);
-  if (rv)
-    return;
-
-  vec_foreach (vuid, ifaces)
-  {
-    if ((filter_sw_if_index == ~0) ||
-	(vuid->sw_if_index == filter_sw_if_index))
-      send_sw_interface_vhost_user_details (am, reg, vuid, mp->context);
-  }
-  BAD_SW_IF_INDEX_LABEL;
-  vec_free (ifaces);
-}
-
-#include <vnet/devices/virtio/vhost_user.api.c>
-static clib_error_t *
-vhost_user_api_hookup (vlib_main_t * vm)
-{
-  api_main_t *am = vlibapi_get_main ();
-  /* Mark CREATE_VHOST_USER_IF as mp safe */
-  vl_api_set_msg_thread_safe (am, VL_API_CREATE_VHOST_USER_IF, 1);
-  vl_api_set_msg_thread_safe (am, VL_API_CREATE_VHOST_USER_IF_V2, 1);
-
-  /*
-   * Set up the (msg_name, crc, message-id) table
-   */
-  REPLY_MSG_ID_BASE = setup_message_id_table ();
-
-  return 0;
-}
-
-VLIB_API_INIT_FUNCTION (vhost_user_api_hookup);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */