On May 29 21:42, Minwoo Im wrote:
> Hello,
>
> This is v4 patchset to increase number of virtual functions for NVMe SR-IOV.
> Please consider the following change notes per version.
>
> This patchset has been tested with the following simple script more than
> 127 VFs.
>
> -device nvme-subsys,id=subsys0 \
> -device ioh3420,id=rp2,multifunction=on,chassis=12 \
> -device
> nvme,serial=foo,id=nvme0,bus=rp2,subsys=subsys0,mdts=9,msix_qsize=130,max_ioqpairs=260,sriov_max_vfs=129,sriov_vq_flexible=258,sriov_vi_flexible=129
> \
>
> $ cat nvme-enable-vfs.sh
> #!/bin/bash
>
> nr_vfs=129
>
> for (( i=1; i<=$nr_vfs; i++ ))
> do
> nvme virt-mgmt /dev/nvme0 -c $i -r 0 -a 8 -n 2
> nvme virt-mgmt /dev/nvme0 -c $i -r 1 -a 8 -n 1
> done
>
> bdf=":01:00.0"
> sysfs="/sys/bus/pci/devices/$bdf"
> nvme="/sys/bus/pci/drivers/nvme"
>
> echo 0 > $sysfs/sriov_drivers_autoprobe
> echo $nr_vfs > $sysfs/sriov_numvfs
>
> for (( i=1; i<=$nr_vfs; i++ ))
> do
> nvme virt-mgmt /dev/nvme0 -c $i -a 9
>
> echo "nvme" > $sysfs/virtfn$(($i-1))/driver_override
> bdf="$(basename $(readlink $sysfs/virtfn$(($i-1"
> echo $bdf > $nvme/bind
> done
>
> Thanks,
>
> v4:
> - Rebased on the latest master.
> - Update n->params.sriov_max_vfs to uint16_t as per spec.
>
> v3:
> - Replace [3/4] patch with one allocating a dyanmic array of secondary
>controller list rather than a static array with a fixed size of
>maximum number of VF to support (Suggested by Klaus).
> v2:
> - Added [2/4] commit to fix crash due to entry overflow
>
> Minwoo Im (4):
> hw/nvme: add Identify Endurance Group List
> hw/nvme: separate identify data for sec. ctrl list
> hw/nvme: Allocate sec-ctrl-list as a dynamic array
> hw/nvme: Expand VI/VQ resource to uint32
>
> hw/nvme/ctrl.c | 59 +++-
> hw/nvme/nvme.h | 19 +++---
> hw/nvme/subsys.c | 10 +---
> include/block/nvme.h | 1 +
> 4 files changed, 54 insertions(+), 35 deletions(-)
>
> --
> 2.34.1
>
Looks good Minwoo!
Grabbing for nvme-next.
Reviewed-by: Klaus Jensen
signature.asc
Description: PGP signature
