On 2015/01/30 15:36, Huawei Xie wrote: > vhost-user supports passing vring information to a seperate vhost enabled > process, normally a user space vSwitch, through unix domain socket. > > In previous DPDK version, we implement a user space character device driver > vhost-cuse in user space DPDK process. vring informations are passed to the > driver through ioctl call, including eventfds for interrupt injection and > host notification. We need to develop a kernel module to copy that fd from > qemu into our process. We also need some trick to map guest memory. > (TODO: kickfd/callfd is reversed which causes confusion) > > known issue in vhost-user implementation in QEMU, reported by haifeng.lin at > huawei.com > * QEMU doesn't send correct memory region information with multiple numa node > configuration > http://lists.gnu.org/archive/html/qemu-devel/2014-12/msg01454.html > > Thanks Tetsuya for reporting the issue that "FD_ISSET would crash when > receive -1 > as fd on Ubuntu 14.04". > > Huawei Xie (12): > enable VIRTIO_NET_F_CTRL_RX > create vhost_cuse directory and move vhost-net-cdev.c into vhost_cuse > rename vhost-net-cdev.h to vhost-net.h > move fd copying(from qemu process into vhost process) to eventfd_copy.c > copy host_memory_map from virtio-net.c to a new file virtio-net-cdev.c > make host_memory_map more generic > split set_memory_table into two parts > add select based event driven processing > free memory when receive new set_memory_table message > vhost user support > support dev->ifname in vhost-user > support calling rte_vhost_driver_register after > rte_vhost_driver_session_start > > lib/librte_vhost/Makefile | 8 +- > lib/librte_vhost/rte_virtio_net.h | 5 +- > lib/librte_vhost/vhost-net-cdev.c | 389 --------------------- > lib/librte_vhost/vhost-net-cdev.h | 113 ------- > lib/librte_vhost/vhost-net.h | 121 +++++++ > lib/librte_vhost/vhost_cuse/eventfd_copy.c | 89 +++++ > lib/librte_vhost/vhost_cuse/eventfd_copy.h | 40 +++ > lib/librte_vhost/vhost_cuse/vhost-net-cdev.c | 417 +++++++++++++++++++++++ > lib/librte_vhost/vhost_cuse/virtio-net-cdev.c | 401 ++++++++++++++++++++++ > lib/librte_vhost/vhost_cuse/virtio-net-cdev.h | 48 +++ > lib/librte_vhost/vhost_rxtx.c | 2 +- > lib/librte_vhost/vhost_user/fd_man.c | 234 +++++++++++++ > lib/librte_vhost/vhost_user/fd_man.h | 66 ++++ > lib/librte_vhost/vhost_user/vhost-net-user.c | 469 > ++++++++++++++++++++++++++ > lib/librte_vhost/vhost_user/vhost-net-user.h | 106 ++++++ > lib/librte_vhost/vhost_user/virtio-net-user.c | 322 ++++++++++++++++++ > lib/librte_vhost/vhost_user/virtio-net-user.h | 49 +++ > lib/librte_vhost/virtio-net.c | 455 +++---------------------- > lib/librte_vhost/virtio-net.h | 43 +++ > 19 files changed, 2460 insertions(+), 917 deletions(-) > delete mode 100644 lib/librte_vhost/vhost-net-cdev.c > delete mode 100644 lib/librte_vhost/vhost-net-cdev.h > create mode 100644 lib/librte_vhost/vhost-net.h > create mode 100644 lib/librte_vhost/vhost_cuse/eventfd_copy.c > create mode 100644 lib/librte_vhost/vhost_cuse/eventfd_copy.h > create mode 100644 lib/librte_vhost/vhost_cuse/vhost-net-cdev.c > create mode 100644 lib/librte_vhost/vhost_cuse/virtio-net-cdev.c > create mode 100644 lib/librte_vhost/vhost_cuse/virtio-net-cdev.h > create mode 100644 lib/librte_vhost/vhost_user/fd_man.c > create mode 100644 lib/librte_vhost/vhost_user/fd_man.h > create mode 100644 lib/librte_vhost/vhost_user/vhost-net-user.c > create mode 100644 lib/librte_vhost/vhost_user/vhost-net-user.h > create mode 100644 lib/librte_vhost/vhost_user/virtio-net-user.c > create mode 100644 lib/librte_vhost/vhost_user/virtio-net-user.h > create mode 100644 lib/librte_vhost/virtio-net.h >
Hi Xie, it seems "checkpath.pl" reports warnings in some patches. I guess some of them can be fixed. Thanks, Tetsuya
