[U-Boot] NFSv2 => NFSv3

[Guillaume Gardet]

Hi,


Le 09/06/2016 18:20, Joe Hershberger a écrit :
> Hi Guillaume,
>
> On Thu, Jun 2, 2016 at 9:26 AM, Joe Hershberger
> <joe.hershberger at gmail.com> wrote:
>> On Thu, Jun 2, 2016 at 8:39 AM, Guillaume Gardet
>> <guillaume.gardet at free.fr> wrote:
>>> Hi,
>>>
>>> I am facing a problem with U-Boot.
>>> Our NFS server supports NFS v3 and v4 but it seems that U-Boot is NFS v2
>>> only.
>>>
>>> Is there any plan to update to v3? Otherwise, I could help, but I would need
>>> some pointers to NFS protocol handling.
>> I'm not aware of anyone working on that. Maybe someone more familiar
>> with NFS could help, or look at the differences in the Linux
>> implementations.
> I received a note from bodhi bodhi <mibodhi at gmail.com> that he is
> successfully using NFS v3 with modern U-Boot (since 2014).
>
> Here are the details of the environment that he included...

I think he uses NFSv3 for the root filesystem but the NFS server is also NFSv2 compatible for u-boot nfs loads (uImage and DTB).


Guillaume

>
> bootcmd_nfs=setenv nfs_server "192.168.0.224"; setenv nfs_path
> "/srv/nfs/hosts/tldDebian2"; setenv nfs_bootcmd "run nfs_set_bootargs;
> run nfs_boot"; setenv nfs_ipconfig
> "192.168.0.229:192.168.0.224:192.168.0.1:255.255.0.0:tldDebian2::off";
> setenv nfs_set_bootargs "setenv bootargs console=ttyS0,115200
> root=/dev/nfs nfsroot=$nfs_server:$nfs_path,v3 rootfstype=nfs rootwait
>   ip=$nfs_ipconfig $mtdparts"; setenv nfs_load_uimage "nfs 0x800000
> $nfs_server:$nfs_path/boot/uImage"; setenv nfs_load_uinitrd "nfs
> 0x1100000 $nfs_server:$nfs_path/boot/uInitrd"; setenv nfs_load_dtb
> "nfs 0x1c00000 $nfs_server:$nfs_path/boot/dts/kirkwood-pogo_e02.dtb";
> setenv nfs_bootm "bootm 0x800000 0x1100000 0x1c00000"; setenv nfs_boot
> "run nfs_load_uimage; run nfs_load_uinitrd; run nfs_load_dtb; run
> nfs_bootm"; echo "Booting NFS root…"; run nfs_bootcmd
>
> Thanks, Bodhi.
>
> Cheers,
> -Joe
>