On Tue, 14 Feb 2012 22:09:12 +0100, Ben Widawsky <[email protected]> wrote: > From: Ben Widawsky <[email protected]> > > Create all the necessary data structures and hooks to support a context > API for userspace. Also plumb in the calls from the i915 core into the > context subsystem. There is a new file i915_context.c which will hold a > majority of the context related code. This file has nulled functions > that get called by the proper part of the i915 driver. This of course > requires a Makefile addition, as well as calls to the new nulled > functions from the other partsd of the driver (i915_dma.c). > > With that, there are 2 new ioctls defined , one for creating a context, > and one for destroying a context. These are defined in the necessary > places, and again have null functionality > > It's likely that a third ioctl will be required to associate the context > with an execbuf (likely execbuf3). Since that part is mostly trivial, > and will surely be contentious, it's ignored for now.
> +struct drm_i915_gem_context_create {
> + /* output: id of new context*/
> + __u32 ctx_id;
> +
> + __u16 pad;
> +};
The pad should be made u32 at this point instead of fixing it up in a
later commit.
pgpadwTIQbqnb.pgp
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