On Mon, Oct 11, 2021 at 4:31 PM Yongji Xie <xieyongji@xxxxxxxxxxxxx> wrote: > > Hi Xiaodong, > > On Mon, Oct 11, 2021 at 3:32 PM Liuxiangdong <liuxiangdong5@xxxxxxxxxx> wrote: > > > > Hi, Yongji. > > > > I tried vduse with null-blk: > > > > $ qemu-storage-daemon \ > > --chardev socket,id=charmonitor,path=/tmp/qmp.sock,server,nowait \ > > --monitor chardev=charmonitor \ > > --blockdev > > driver=host_device,cache.direct=on,aio=native,filename=/dev/nullb0,node-name=disk0 > > \ > > --export > > type=vduse-blk,id=test,node-name=disk0,writable=on,name=vduse-null,num-queues=16,queue-size=128 > > > > The qemu-storage-daemon is yours > > (https://github.com/bytedance/qemu/tree/vduse) > > > > And then, how can we use this vduse-null (dev/vduse/vduse-null) in vm(QEMU)? > > > > Then we need to attach this device to vdpa bus via vdpa tool [1]: > > # vdpa dev add vduse-null mgmtdev vduse > It should be: # vdpa dev add name vduse-null mgmtdev vduse Thanks, Yongji
