Commit 3b5dcf61 authored by Changpeng Liu's avatar Changpeng Liu Committed by Tomasz Zawadzki
Browse files

doc/vhost: remove vhost-nvme description 



We already uses vfio-user instead.

Change-Id: Ic565554cc124fe34304c3f9dbadbf01723ddf900
Signed-off-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/10634


Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
parent 977a5357

doc/vhost.md

+0 −15
Original line number Diff line number Diff line
@@ -65,15 +65,6 @@ the following command to confirm your QEMU supports userspace vhost-blk. 
qemu-system-x86_64 -device vhost-user-blk-pci,help

~~~



Userspace vhost-nvme target was added as experimental feature for SPDK 18.04

release, patches for QEMU are available in SPDK's QEMU repository only.



Run the following command to confirm your QEMU supports userspace vhost-nvme.



~~~{.sh}

qemu-system-x86_64 -device vhost-user-nvme,help

~~~



## Starting SPDK vhost target {#vhost_start}



First, run the SPDK setup.sh script to setup some hugepages for the SPDK vhost target
@@ -374,12 +365,6 @@ scripts/rpc.py bdev_malloc_delete Malloc0 


## Known bugs and limitations {#vhost_bugs}



### Vhost-NVMe (experimental) can only be supported with latest Linux kernel



Vhost-NVMe target was designed for one new feature of NVMe 1.3 specification, Doorbell

Buffer Config Admin command, which is used for emulated NVMe controller only. Linux 4.12

added this feature, so a new Guest kernel later than 4.12 is required to test this feature.



### Windows virtio-blk driver before version 0.1.130-1 only works with 512-byte sectors



The Windows `viostor` driver before version 0.1.130-1 is buggy and does not