[dpdk-dev] [PATCH 2/3] vhost: support sending fds via send_vhost_message()
Maxime Coquelin
maxime.coquelin at redhat.com
Thu Mar 29 14:23:20 CEST 2018
On 03/06/2018 11:43 AM, Tiwei Bie wrote:
> This function will be used to send fds to QEMU via slave channel.
>
> Signed-off-by: Tiwei Bie <tiwei.bie at intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>
Thanks,
Maxime
> ---
> lib/librte_vhost/vhost_user.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
> index 8b07b6c43..e3a1dfbfb 100644
> --- a/lib/librte_vhost/vhost_user.c
> +++ b/lib/librte_vhost/vhost_user.c
> @@ -1308,13 +1308,13 @@ read_vhost_message(int sockfd, struct VhostUserMsg *msg)
> }
>
> static int
> -send_vhost_message(int sockfd, struct VhostUserMsg *msg)
> +send_vhost_message(int sockfd, struct VhostUserMsg *msg, int *fds, int fd_num)
> {
> if (!msg)
> return 0;
>
> return send_fd_message(sockfd, (char *)msg,
> - VHOST_USER_HDR_SIZE + msg->size, NULL, 0);
> + VHOST_USER_HDR_SIZE + msg->size, fds, fd_num);
> }
>
> static int
> @@ -1328,7 +1328,7 @@ send_vhost_reply(int sockfd, struct VhostUserMsg *msg)
> msg->flags |= VHOST_USER_VERSION;
> msg->flags |= VHOST_USER_REPLY_MASK;
>
> - return send_vhost_message(sockfd, msg);
> + return send_vhost_message(sockfd, msg, NULL, 0);
> }
>
> /*
> @@ -1643,7 +1643,7 @@ vhost_user_iotlb_miss(struct virtio_net *dev, uint64_t iova, uint8_t perm)
> },
> };
>
> - ret = send_vhost_message(dev->slave_req_fd, &msg);
> + ret = send_vhost_message(dev->slave_req_fd, &msg, NULL, 0);
> if (ret < 0) {
> RTE_LOG(ERR, VHOST_CONFIG,
> "Failed to send IOTLB miss message (%d)\n",
>
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