On Wed, May 02, 2007 at 02:17:26PM +0200, Stefan Richter wrote:
> +#include <asm/ioctl.h>
> +#include <asm/types.h>
Always use the <linux/ versions.
> +struct fw_cdev_get_info {
> + /* The version field is just a running serial number. We
> + * never break backwards compatibility. Userspace passes in
> + * the version it expects and the kernel passes back the
> + * highest version it can provide. Even if the structs in
> + * this interface are extended in a later version, the kernel
> + * will not copy back more data than what was present in the
> + * interface version userspace expects. */
> + __u32 version;
Please don't even try to build interfaces this complicated. If your
current interface needs changes at some point just introduce new ioctls.
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