[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH XEN v5 09/23] tools: Refactor hypercall calling wrappers into libxencall.
On Fri, 2015-11-13 at 18:16 +0100, Roger Pau Monnà wrote: > El 13/11/15 a les 17.57, Ian Campbell ha escrit: > > On Fri, 2015-11-13 at 15:16 +0000, Ian Campbell wrote: > > > > > > On FreeBSD hypercall->retval is in the XEN_ERRNO_* space. But I think > > > we > > > probably want to map onto the FreeBSD ERRNO space, IIRC we decided on > > > this > > > approach, rather than converting all our callers to the XEN_ERRNO_* > > > space, > > > in a previous discussion. > > > > Roger, can you confirm whether or not something on FreeBSD translated > > the > > XEN_ERRNO errors into the BSD errno space? If so, then where is it? I > > looked in FreeBSD's privcmd.c and in libxc and failed to find it... > > Yes, the translation is done in the privcmd driver: > > https://github.com/freebsd/freebsd/blob/master/sys/dev/xen/privcmd/privcm > d.c#L242 Thanks, I was looking for a big table but it's out of line in another file so I missed it. > So errors returned from the ioctl (in errno) are in the BSD space. I > still have to implement the error codes distributed from the Xen public > headers, right now we have a custom Xen error translation: > > https://github.com/freebsd/freebsd/blob/master/sys/xen/error.h > > Roger. > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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