On Tue, Jul 28, 2020 at 02:18:16PM +0800, Jason Wang wrote: > > On 2020/7/28 下午2:05, Eli Cohen wrote: > >Hi Michael, > >please note that this series depends on mlx5 core device driver patches > >in mlx5-next branch in > >git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux.git. > > > >git pull git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux.git > >mlx5-next > > > >They also depend Jason Wang's patches submitted a couple of weeks ago. > > > >vdpa_sim: use the batching API > >vhost-vdpa: support batch updating > > > Just notice that a new version is posted[1] (you were cced). Talked > with Michael, and it's better for you to merge the new version in > this series. >
OK, will send again. Just to make sure, I should put your series and my series on Michal's vhost branch, the same tree I have been using so far? > Sorry for not spotting this before. > > [1] https://lkml.org/lkml/2020/7/1/301 > > Thanks > > > > > > > >The following series of patches provide VDPA support for Mellanox > >devices. The supported devices are ConnectX6 DX and newer. > > > >Currently, only a network driver is implemented; future patches will > >introduce a block device driver. iperf performance on a single queue is > >around 12 Gbps. Future patches will introduce multi queue support. > > > >The files are organized in such a way that code that can be used by > >different VDPA implementations will be placed in a common are resides in > >drivers/vdpa/mlx5/core. > > > >Only virtual functions are currently supported. Also, certain firmware > >capabilities must be set to enable the driver. Physical functions (PFs) > >are skipped by the driver. > > > >To make use of the VDPA net driver, one must load mlx5_vdpa. In such > >case, VFs will be operated by the VDPA driver. Although one can see a > >regular instance of a network driver on the VF, the VDPA driver takes > >precedence over the NIC driver, steering-wize. > > > >Currently, the device/interface infrastructure in mlx5_core is used to > >probe drivers. Future patches will introduce virtbus as a means to > >register devices and drivers and VDPA will be adapted to it. > > > >The mlx5 mode of operation required to support VDPA is switchdev mode. > >Once can use Linux or OVS bridge to take care of layer 2 switching. > > > >In order to provide virtio networking to a guest, an updated version of > >qemu is required. This version has been tested by the following quemu > >version: > > > >url: https://github.com/jasowang/qemu.git > >branch: vdpa > >Commit ID: 6f4e59b807db > > > > > >V2->V3 > >Fix makefile to use include path relative to the root of the kernel > > > >Eli Cohen (7): > > net/vdpa: Use struct for set/get vq state > > vhost: Fix documentation > > vdpa: Modify get_vq_state() to return error code > > vdpa/mlx5: Add hardware descriptive header file > > vdpa/mlx5: Add support library for mlx5 VDPA implementation > > vdpa/mlx5: Add shared memory registration code > > vdpa/mlx5: Add VDPA driver for supported mlx5 devices > > > >Jason Wang (2): > > vhost-vdpa: support batch updating > > vdpa_sim: use the batching API > > > >Max Gurtovoy (1): > > vdpa: remove hard coded virtq num > > > > drivers/vdpa/Kconfig | 18 + > > drivers/vdpa/Makefile | 1 + > > drivers/vdpa/ifcvf/ifcvf_base.c | 4 +- > > drivers/vdpa/ifcvf/ifcvf_base.h | 4 +- > > drivers/vdpa/ifcvf/ifcvf_main.c | 13 +- > > drivers/vdpa/mlx5/Makefile | 4 + > > drivers/vdpa/mlx5/core/mlx5_vdpa.h | 91 ++ > > drivers/vdpa/mlx5/core/mlx5_vdpa_ifc.h | 168 ++ > > drivers/vdpa/mlx5/core/mr.c | 473 ++++++ > > drivers/vdpa/mlx5/core/resources.c | 284 ++++ > > drivers/vdpa/mlx5/net/main.c | 76 + > > drivers/vdpa/mlx5/net/mlx5_vnet.c | 1950 ++++++++++++++++++++++++ > > drivers/vdpa/mlx5/net/mlx5_vnet.h | 24 + > > drivers/vdpa/vdpa.c | 3 + > > drivers/vdpa/vdpa_sim/vdpa_sim.c | 35 +- > > drivers/vhost/iotlb.c | 4 +- > > drivers/vhost/vdpa.c | 46 +- > > include/linux/vdpa.h | 24 +- > > include/uapi/linux/vhost_types.h | 2 + > > 19 files changed, 3165 insertions(+), 59 deletions(-) > > create mode 100644 drivers/vdpa/mlx5/Makefile > > create mode 100644 drivers/vdpa/mlx5/core/mlx5_vdpa.h > > create mode 100644 drivers/vdpa/mlx5/core/mlx5_vdpa_ifc.h > > create mode 100644 drivers/vdpa/mlx5/core/mr.c > > create mode 100644 drivers/vdpa/mlx5/core/resources.c > > create mode 100644 drivers/vdpa/mlx5/net/main.c > > create mode 100644 drivers/vdpa/mlx5/net/mlx5_vnet.c > > create mode 100644 drivers/vdpa/mlx5/net/mlx5_vnet.h > > >