How to make my new driver be configurable in the kernel configuration file?

[John Baldwin]

On Wednesday 16 November 2005 05:33 am, Yong Ma wrote:
> ----- Original Message -----
> From: "Warner Losh" <imp at bsdimp.com>
> To: jhb at freebsd.org
> Subject: Re: How to make my new driver be configurable in the kernel
> configuration file? Date: Tue, 15 Nov 2005 09:19:09 -0700 (MST)
>
> > From: John Baldwin <jhb at freebsd.org>
> > Subject: Re: How to make my new driver be configurable in the
> > kernel configuration file?
> > Date: Tue, 15 Nov 2005 10:21:59 -0500
> >
> > > On Tuesday 15 November 2005 03:59 am, Yong Ma wrote:
> > > > Hi all,
> > > > I wrote and debuged my driver for a new device in KLD mode,now I want
> > > > to plug it into the kernel,so that it can be loaded when the system 
> > > > boots,and make it be configurable in the kernel configuration file
> > > > like other device driver as "device XXX",I don't know what to
> > > > do,could anyone be kind to help me?
> > >
> > > To add your driver you update the src/sys/conf/files* files.  If
> > > your driver is machine independent, you can add it to
> > > src/sys/conf/files.  For example, here are the lines in
> > > sys/conf/files for the cy(4) driver:
> > >
> > > dev/cy/cy.c                     optional cy
> > > dev/cy/cy_isa.c                 optional cy isa
> > > dev/cy/cy_pci.c                 optional cy pci
> > >
> > > If your driver only works on a single architecture (such as i386)
> > > then add it to the architecture file sys/conf/files.<arch> (e.g.
> > > sys/conf/files.i386).  The device names after 'optional' specify
> > > which devices must be enabled in the kernel config for that file
> > > to be included.  Thus, in the example above, src/sys/dev/cy/cy.c
> > > is included as long as 'device cy' is in the kernel, but
> > > src/sys/dev/cy/cy_isa.c is only included if both 'device cy' and
> > > 'device isa' are in the kernel config file.
> >
> > You can augment the system files with the files directive if you don't
> > want to edit sys/conf/files.foo:
> >
> > files "/foo/bar/baz"
> >
> > and put something like the above in that.
> >
> > Warner
> >
> > _______________________________________________
> > freebsd-drivers at freebsd.org mailing list
> > http://lists.freebsd.org/mailman/listinfo/freebsd-drivers
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> > "freebsd-drivers-unsubscribe at freebsd.org"
>
> Thank you! I did as that but came across some problems,these are the
> jobs and the errors:
>
>   1) I copyed the files to the sys/dev/mydevice and added
> "dev/mydevice/mydevice.c   optinonal mydevice" in the file
> /usr/src/sys/conf/files.i386,and added a line "device mydevice" in
> the sys/i386/conf/MYKERNEL(a copy of GENERIC),but met a error when
> config MYKERNEL:syntax error (the line I just added).
>
>   2) Then,I modified line in files.i386 as "dev/mydevice/mydevice.c
> standard",configed successfully,but another error occured when make
> depend(make buildkernel KERNCONF=MYKERNEL the same):
>       ...
>       ../../../dev/mydevice/mydevice.c:27:20: mydevice.h: No such
> file or directory
>       ../../../dev/mydevice/mydevice.c:28:44: mydevicekern.h: No such
> file or directory
>       ../../../dev/mydevice/mydevice.c:29:49: mydeviceioctl.h: No
> such file or directory
>       mkdep: compile failed
>       *** Error code 1
>       ...
> and the source code of mydevice.c is as follows:
>        ...
>        #include "sjy22b.h"
>        #include "sjy22bkern.h"
>        #include "sjy22bioctl.h"
>        ...
> the three headers are just in the sys/dev/mydevice directory,I don't
> know why this happened.
> Need your suggestion!

You'll need to include them as "dev/mydevice/mydevice.h" rather than 
"mydevice.h"

-- 
John Baldwin <jhb at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org