Date: Thu, 2 Dec 1999 01:24:07 -0800 (PST) From: Julian Elischer <julian@whistle.com> To: Alfred Perlstein <bright@wintelcom.net> Cc: Reinier Bezuidenhout <rbezuide@oskar.dev.nanoteq.co.za>, wilko@yedi.iaf.nl, groudier@club-internet.fr, FreeBSD-hackers@FreeBSD.ORG, marcel@FreeBSD.ORG Subject: Re: Linux ioctl not implemented error Message-ID: <Pine.BSF.4.10.9912020123280.11862-100000@current1.whistle.com> In-Reply-To: <Pine.BSF.4.21.9912020043190.4557-100000@fw.wintelcom.net>
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The structures are identical because they are what the SCSI spec specifies
that's what they look like..
On Thu, 2 Dec 1999, Alfred Perlstein wrote:
> On Thu, 2 Dec 1999, Reinier Bezuidenhout wrote:
>
> > > @@ -1273,6 +1273,11 @@
> > > return error;
> > > }
> > >
> > > + case LINUX_CDROMVOLREAD: {
> > > + args->arg = CDIOGETVOL;
> > > + return (ioctl(p, (struct ioctl_args *)args));
> > > + }
> > > +
> > > case LINUX_OSS_GETVERSION: {
> > > int version;
> > >
> > >
> >
> > I've made a change that removed the complaint from vmware before Vladimar
> > fixed it in the kernel module. It is the implementation of LINUX_CDROMVOLREAD
> > to fit in with CDIOCGETVOL which has two different structures.
> >
> > Marcel please review this :)
> >
> >
> > Index: linux_ioctl.c
> > ===================================================================
> > RCS file: /home/freebsd-cvs/src/sys/i386/linux/linux_ioctl.c,v
> > retrieving revision 1.47
> > diff -c -r1.47 linux_ioctl.c
> > *** linux_ioctl.c 1999/11/29 23:03:34 1.47
> > --- linux_ioctl.c 1999/12/02 07:15:29
> > ***************
> > *** 473,478 ****
> > --- 473,486 ----
> > u_char cdte_datamode;
> > };
> >
> > + struct linux_cdrom_volctrl
> > + {
> > + u_char channel0;
> > + u_char channel1;
> > + u_char channel2;
> > + u_char channel3;
> > + };
> > +
> > struct linux_cdrom_subchnl
> > {
> > u_char cdsc_format;
> > ***************
> > *** 1232,1237 ****
> > --- 1240,1261 ----
> > bsd_to_linux_msf_lba(irtse.address_format,
> > &irtse.entry.addr, <e.cdte_addr);
> > copyout((caddr_t)<e, (caddr_t)args->arg, sizeof(lte));
> > + }
> > + return error;
> > + }
> > +
> > + case LINUX_CDROMVOLREAD: {
> > + struct linux_cdrom_volctrl lvol, *lvolp =
> > + (struct linux_cdrom_volctrl *)args->arg;
> > + struct ioc_vol bsd_vol;
> > + error = fo_ioctl(fp, CDIOCGETVOL, (caddr_t)&bsd_vol, p);
> > + if (!error) {
> > + lvol = *lvolp;
> > + lvol.channel0 = bsd_vol.vol[0];
> > + lvol.channel1 = bsd_vol.vol[1];
> > + lvol.channel2 = bsd_vol.vol[2];
> > + lvol.channel3 = bsd_vol.vol[3];
> > + copyout((caddr_t)&lvol, (caddr_t)args->arg, sizeof(lvol));
> > }
> > return error;
> > }
> >
>
> FYI the kernel structures are completely identical, you don't really
> gain anything by doing this convertion. Should this be put in for
> clarity? I'm not sure.
>
> Marcel?
>
> -Alfred Perlstein - [bright@rush.net|alfred@freebsd.org]
> Wintelcom systems administrator and programmer
> - http://www.wintelcom.net/ [bright@wintelcom.net]
>
>
>
>
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