Re: [PATCH v3 07/17] SUPPORT.md: Add virtual devices common to ARM and x86

From: Paul Durrant <Paul.Durrant@citrix.com>
To: "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Cc: Stefano Stabellini <sstabellini@kernel.org>,
	Wei Liu <wei.liu2@citrix.com>,
	Konrad Wilk <konrad.wilk@oracle.com>,
	Andrew Cooper <Andrew.Cooper3@citrix.com>,
	"Tim (Xen.org)" <tim@xen.org>,
	George Dunlap <George.Dunlap@citrix.com>,
	Julien Grall <julien.grall@arm.com>,
	Jan Beulich <jbeulich@suse.com>,
	Anthony Perard <anthony.perard@citrix.com>,
	Ian Jackson <Ian.Jackson@citrix.com>,
	Roger Pau Monne <roger.pau@citrix.com>
Subject: Re: [PATCH v3 07/17] SUPPORT.md: Add virtual devices common to ARM and x86
Date: Thu, 23 Nov 2017 08:50:50 +0000	[thread overview]
Message-ID: <a81f23309d20475cb80f5acfb6ecc5da@AMSPEX02CL03.citrite.net> (raw)
In-Reply-To: <20171122192024.21187-7-george.dunlap@citrix.com>

> -----Original Message-----
> From: George Dunlap [mailto:george.dunlap@citrix.com]
> Sent: 22 November 2017 19:20
> To: xen-devel@lists.xenproject.org
> Cc: George Dunlap <George.Dunlap@citrix.com>; Ian Jackson
> <Ian.Jackson@citrix.com>; Wei Liu <wei.liu2@citrix.com>; Andrew Cooper
> <Andrew.Cooper3@citrix.com>; Jan Beulich <jbeulich@suse.com>; Stefano
> Stabellini <sstabellini@kernel.org>; Konrad Wilk <konrad.wilk@oracle.com>;
> Tim (Xen.org) <tim@xen.org>; Roger Pau Monne <roger.pau@citrix.com>;
> Anthony Perard <anthony.perard@citrix.com>; Paul Durrant
> <Paul.Durrant@citrix.com>; Julien Grall <julien.grall@arm.com>
> Subject: [PATCH v3 07/17] SUPPORT.md: Add virtual devices common to
> ARM and x86
> 
> Mostly PV protocols.
> 
> Signed-off-by: George Dunlap <george.dunlap@citrix.com>

Reviewed-by: Paul Durrant <paul.durrant@citrix.com>

> ---
> Changes since v2:
> - Define "having xl support" as a requirement for Tech Preview and
> Supported
> - ...and remove backend from xl support section
> - Add OpenBSD blkback
> - Fix Linux backend names
> - Remove non-existent implementation (PV USB Linux)
> - Remove support for PV keyboard in Windows (Fix in qemu tree didn't make
> it)
> 
> CC: Ian Jackson <ian.jackson@citrix.com>
> CC: Wei Liu <wei.liu2@citrix.com>
> CC: Andrew Cooper <andrew.cooper3@citrix.com>
> CC: Jan Beulich <jbeulich@suse.com>
> CC: Stefano Stabellini <sstabellini@kernel.org>
> CC: Konrad Wilk <konrad.wilk@oracle.com>
> CC: Tim Deegan <tim@xen.org>
> CC: Roger Pau Monne <roger.pau@citrix.com>
> CC: Anthony Perard <anthony.perard@citrix.com>
> CC: Paul Durrant <paul.durrant@citrix.com>
> CC: Julien Grall <julien.grall@arm.com>
> ---
>  SUPPORT.md | 150
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> +++
>  1 file changed, 150 insertions(+)
> 
> diff --git a/SUPPORT.md b/SUPPORT.md
> index dd3632b913..96c381fb55 100644
> --- a/SUPPORT.md
> +++ b/SUPPORT.md
> @@ -128,6 +128,10 @@ Output of information in machine-parseable JSON
> format
> 
>      Status: Supported
> 
> +### QEMU backend hotplugging for xl
> +
> +    Status: Supported
> +
>  ## Toolstack/3rd party
> 
>  ### libvirt driver for xl
> @@ -223,6 +227,152 @@ which add paravirtualized functionality to HVM
> guests
>  for improved performance and scalability.
>  This includes exposing event channels to HVM guests.
> 
> +## Virtual driver support, guest side
> +
> +### Blkfront
> +
> +    Status, Linux: Supported
> +    Status, FreeBSD: Supported, Security support external
> +    Status, NetBSD: Supported, Security support external
> +    Status, OpenBSD: Supported, Security support external
> +    Status, Windows: Supported
> +
> +Guest-side driver capable of speaking the Xen PV block protocol
> +
> +### Netfront
> +
> +    Status, Linux: Supported
> +    States, Windows: Supported
> +    Status, FreeBSD: Supported, Security support external
> +    Status, NetBSD: Supported, Security support external
> +    Status, OpenBSD: Supported, Security support external
> +
> +Guest-side driver capable of speaking the Xen PV networking protocol
> +
> +### PV Framebuffer (frontend)
> +
> +    Status, Linux (xen-fbfront): Supported
> +
> +Guest-side driver capable of speaking the Xen PV Framebuffer protocol
> +
> +### PV Console (frontend)
> +
> +    Status, Linux (hvc_xen): Supported
> +    Status, Windows: Supported
> +    Status, FreeBSD: Supported, Security support external
> +    Status, NetBSD: Supported, Security support external
> +
> +Guest-side driver capable of speaking the Xen PV console protocol
> +
> +### PV keyboard (frontend)
> +
> +    Status, Linux (xen-kbdfront): Supported
> +
> +Guest-side driver capable of speaking the Xen PV keyboard protocol
> +
> +### PV USB (frontend)
> +
> +    Status, Linux: Supported
> +
> +### PV SCSI protocol (frontend)
> +
> +    Status, Linux: Supported, with caveats
> +
> +NB that while the PV SCSI backend is in Linux and tested regularly,
> +there is currently no xl support.
> +
> +### PV TPM (frontend)
> +
> +    Status, Linux (xen-tpmfront): Tech Preview
> +
> +Guest-side driver capable of speaking the Xen PV TPM protocol
> +
> +### PV 9pfs frontend
> +
> +    Status, Linux: Tech Preview
> +
> +Guest-side driver capable of speaking the Xen 9pfs protocol
> +
> +### PVCalls (frontend)
> +
> +    Status, Linux: Tech Preview
> +
> +Guest-side driver capable of making pv system calls
> +
> +## Virtual device support, host side
> +
> +For host-side virtual device support,
> +"Supported" and "Tech preview" include xl/libxl support
> +unless otherwise noted.
> +
> +### Blkback
> +
> +    Status, Linux (xen-blkback): Supported
> +    Status, FreeBSD (blkback): Supported, Security support external
> +    Status, NetBSD (xbdback): Supported, security support external
> +    Status, QEMU (xen_disk): Supported
> +    Status, Blktap2: Deprecated
> +
> +Host-side implementations of the Xen PV block protocol
> +
> +### Netback
> +
> +    Status, Linux (xen-netback): Supported
> +    Status, FreeBSD (netback): Supported, Security support external
> +    Status, NetBSD (xennetback): Supported, Security support external
> +
> +Host-side implementations of Xen PV network protocol
> +
> +### PV Framebuffer (backend)
> +
> +    Status, QEMU: Supported
> +
> +Host-side implementaiton of the Xen PV framebuffer protocol
> +
> +### PV Console (xenconsoled)
> +
> +    Status: Supported
> +
> +Host-side implementation of the Xen PV console protocol
> +
> +### PV keyboard (backend)
> +
> +    Status, QEMU: Supported
> +
> +Host-side implementation fo the Xen PV keyboard protocol
> +
> +### PV USB (backend)
> +
> +    Status, QEMU: Supported
> +
> +Host-side implementation of the Xen PV USB protocol
> +
> +### PV SCSI protocol (backend)
> +
> +    Status, Linux: Experimental
> +
> +NB that while the PV SCSI backend is in Linux and tested regularly,
> +there is currently no xl support.
> +
> +### PV TPM (backend)
> +
> +    Status: Tech Preview
> +
> +### PV 9pfs (backend)
> +
> +    Status, QEMU: Tech Preview
> +
> +### PVCalls (backend)
> +
> +    Status, Linux: Experimental
> +
> +PVCalls backend has been checked into Linux,
> +but has no xl support.
> +
> +### Online resize of virtual disks
> +
> +    Status: Supported
> +
>  # Format and definitions
> 
>  This file contains prose, and machine-readable fragments.
> --
> 2.15.0


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