On Tue, Aug 04, 2020 at 08:34:32AM +0300, Eli Cohen wrote: > On Mon, Aug 03, 2020 at 04:51:27PM -0400, Michael S. Tsirkin wrote: > > On Tue, Jul 28, 2020 at 09:05:29AM +0300, 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 > > > > Hmm this makes merging them messy. I can ack merging them through > > the mellanox tree, but > > conflicts between Jason's patches and what's in my tree also exist. > > > > Let me see if this is something I can fix. > > > How big is the dependency? Can I pick it up with your ack? > > > > Also, mips build failures need to be dealt with. > > > Will look into it. Thanks! I'd like to have everything ready by end of week if possible, send pull next Monday/Tuesday. > > > > > > > > > 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 > > > > > > -- > > > 2.26.0 > > _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
