NetBSD Problem Report #59211

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Date: Tue, 25 Mar 2025 02:31:53 +0000 (UTC)
From: campbell+netbsd@mumble.net
Reply-To: campbell+netbsd@mumble.net
To: gnats-bugs@NetBSD.org
Subject: vio9p(4): missing from various GENERICs and MAKEDEVs
X-Send-Pr-Version: www-1.0

>Number:         59211
>Category:       kern
>Synopsis:       vio9p(4): missing from various GENERICs and MAKEDEVs
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          needs-pullups
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Mar 25 02:35:00 +0000 2025
>Closed-Date:    
>Last-Modified:  Fri Mar 28 18:45:01 +0000 2025
>Originator:     Taylor R Campbell
>Release:        current
>Organization:
The Net9P Configuration
>Environment:
>Description:
The vio9p(4) device is handy in a VM guest for sharing file systems with a VM host such as qemu.

However, it is missing from various GENERIC kernels and MAKEDEV scripts.

It should be added to all the relevant kernel configurations and MAKEDEV scripts.
>How-To-Repeat:
try to use qemu 9p virtfs with a GENERIC guest
>Fix:
Yes, please!

While here, perhaps we should have a virtio.config file that can be included, like usbdevices.config, so we don't have to copy & paste the same block of virtio attachments in every kernel config.

>Release-Note:

>Audit-Trail:
From: "Taylor R Campbell" <riastradh@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/59211 CVS commit: src/sys
Date: Thu, 27 Mar 2025 12:22:44 +0000

 Module Name:	src
 Committed By:	riastradh
 Date:		Thu Mar 27 12:22:44 UTC 2025

 Modified Files:
 	src/sys/arch/alpha/conf: GENERIC.QEMU
 	src/sys/arch/amd64/conf: ALL GENERIC MICROVM
 	src/sys/arch/evbarm/conf: GENERIC GENERIC64
 	src/sys/arch/evbmips/conf: MIPSSIM
 	src/sys/arch/hppa/conf: GENERIC
 	src/sys/arch/i386/conf: ALL GENERIC MICROVM
 	src/sys/arch/riscv/conf: GENERIC.common
 	src/sys/arch/sparc64/conf: GENERIC
 	src/sys/arch/virt68k/conf: GENERIC
 Added Files:
 	src/sys/dev/virtio: virtio.config

 Log Message:
 virtio(4): Consolidate kernel configs.

 No functional change intended.

 Leave `# XXX ?' comments where I don't know why the driver in
 question is excluded.  (Typical reason is that PAGE_SIZE is not 4096
 but I didn't investigate -- if you do investigate, please either
 update the comment if you determine a reason, or enable the driver if
 you don't.)

 PR kern/59211: vio9p(4): missing from various GENERICs and MAKEDEVs


 To generate a diff of this commit:
 cvs rdiff -u -r1.3 -r1.4 src/sys/arch/alpha/conf/GENERIC.QEMU
 cvs rdiff -u -r1.190 -r1.191 src/sys/arch/amd64/conf/ALL
 cvs rdiff -u -r1.614 -r1.615 src/sys/arch/amd64/conf/GENERIC
 cvs rdiff -u -r1.1 -r1.2 src/sys/arch/amd64/conf/MICROVM
 cvs rdiff -u -r1.121 -r1.122 src/sys/arch/evbarm/conf/GENERIC
 cvs rdiff -u -r1.222 -r1.223 src/sys/arch/evbarm/conf/GENERIC64
 cvs rdiff -u -r1.11 -r1.12 src/sys/arch/evbmips/conf/MIPSSIM
 cvs rdiff -u -r1.48 -r1.49 src/sys/arch/hppa/conf/GENERIC
 cvs rdiff -u -r1.521 -r1.522 src/sys/arch/i386/conf/ALL
 cvs rdiff -u -r1.1258 -r1.1259 src/sys/arch/i386/conf/GENERIC
 cvs rdiff -u -r1.1 -r1.2 src/sys/arch/i386/conf/MICROVM
 cvs rdiff -u -r1.20 -r1.21 src/sys/arch/riscv/conf/GENERIC.common
 cvs rdiff -u -r1.242 -r1.243 src/sys/arch/sparc64/conf/GENERIC
 cvs rdiff -u -r1.9 -r1.10 src/sys/arch/virt68k/conf/GENERIC
 cvs rdiff -u -r0 -r1.1 src/sys/dev/virtio/virtio.config

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

From: "Taylor R Campbell" <riastradh@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/59211 CVS commit: src/sys/arch
Date: Thu, 27 Mar 2025 12:23:00 +0000

 Module Name:	src
 Committed By:	riastradh
 Date:		Thu Mar 27 12:23:00 UTC 2025

 Modified Files:
 	src/sys/arch/amd64/conf: GENERIC
 	src/sys/arch/i386/conf: GENERIC

 Log Message:
 x86: Enable vio9p(4) out of the box.

 PR kern/59211: vio9p(4): missing from various GENERICs and MAKEDEVs


 To generate a diff of this commit:
 cvs rdiff -u -r1.615 -r1.616 src/sys/arch/amd64/conf/GENERIC
 cvs rdiff -u -r1.1259 -r1.1260 src/sys/arch/i386/conf/GENERIC

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

From: "Taylor R Campbell" <riastradh@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/59211 CVS commit: src/sys/arch/evbarm/conf
Date: Thu, 27 Mar 2025 12:23:20 +0000

 Module Name:	src
 Committed By:	riastradh
 Date:		Thu Mar 27 12:23:19 UTC 2025

 Modified Files:
 	src/sys/arch/evbarm/conf: GENERIC64

 Log Message:
 evbarm/GENERIC64: Enable vio9p(4).

 Tested under qemu.

 PR kern/59211: vio9p(4): missing from various GENERICs and MAKEDEVs


 To generate a diff of this commit:
 cvs rdiff -u -r1.223 -r1.224 src/sys/arch/evbarm/conf/GENERIC64

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

State-Changed-From-To: open->needs-pullups
State-Changed-By: riastradh@NetBSD.org
State-Changed-When: Thu, 27 Mar 2025 12:26:29 +0000
State-Changed-Why:
fixed in HEAD, pullup-10 would be nice, pullup-9 probably not worth it


From: "Taylor R Campbell" <riastradh@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/59211 CVS commit: src/etc
Date: Fri, 28 Mar 2025 18:41:26 +0000

 Module Name:	src
 Committed By:	riastradh
 Date:		Fri Mar 28 18:41:26 UTC 2025

 Modified Files:
 	src/etc: MAKEDEV.tmpl
 	src/etc/etc.aarch64: MAKEDEV.conf
 	src/etc/etc.alpha: MAKEDEV.conf
 	src/etc/etc.amd64: MAKEDEV.conf
 	src/etc/etc.evbarm: MAKEDEV.conf
 	src/etc/etc.evbmips: MAKEDEV.conf
 	src/etc/etc.evbppc: MAKEDEV.conf
 	src/etc/etc.hppa: MAKEDEV.conf
 	src/etc/etc.i386: MAKEDEV.conf
 	src/etc/etc.macppc: MAKEDEV.conf

 Log Message:
 MAKEDEV: New `virtio' target for all virtio-related devices.

 We can use this to add more as they come up so we don't have to keep
 tweaking every etc.${MACHINE}/MAKEDEV.conf every time.  Currently
 this makes nodes for viocon(4) and vio9p(4).

 (Not all GENERIC kernels enable vio9p(4) but I suspect the ones that
 don't really should; for those that are disabled because PAGE_SIZE !=
 4096, I expect it's just a matter of some additional indexing to make
 vio9p(4) work with other page sizes.)

 PR kern/59211: vio9p(4): missing from various GENERICs and MAKEDEVs


 To generate a diff of this commit:
 cvs rdiff -u -r1.236 -r1.237 src/etc/MAKEDEV.tmpl
 cvs rdiff -u -r1.10 -r1.11 src/etc/etc.aarch64/MAKEDEV.conf
 cvs rdiff -u -r1.15 -r1.16 src/etc/etc.alpha/MAKEDEV.conf
 cvs rdiff -u -r1.36 -r1.37 src/etc/etc.amd64/MAKEDEV.conf
 cvs rdiff -u -r1.23 -r1.24 src/etc/etc.evbarm/MAKEDEV.conf
 cvs rdiff -u -r1.12 -r1.13 src/etc/etc.evbmips/MAKEDEV.conf
 cvs rdiff -u -r1.14 -r1.15 src/etc/etc.evbppc/MAKEDEV.conf
 cvs rdiff -u -r1.3 -r1.4 src/etc/etc.hppa/MAKEDEV.conf
 cvs rdiff -u -r1.36 -r1.37 src/etc/etc.i386/MAKEDEV.conf
 cvs rdiff -u -r1.15 -r1.16 src/etc/etc.macppc/MAKEDEV.conf

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

>Unformatted:

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