Messages in this thread | | | Subject | Re: [PATCH v11 17/17]add two new ioctls for mp device. | From | Ben Hutchings <> | Date | Mon, 27 Sep 2010 22:36:15 +0100 |
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On Sat, 2010-09-25 at 12:27 +0800, xiaohui.xin@intel.com wrote: > From: Xin Xiaohui <xiaohui.xin@intel.com> > > The patch add two ioctls for mp device. > One is for userspace to query how much memory locked to make mp device > run smoothly. Another one is for userspace to set how much meory locked > it really wants. [...] > diff --git a/include/linux/mpassthru.h b/include/linux/mpassthru.h > index ba8f320..083e9f7 100644 > --- a/include/linux/mpassthru.h > +++ b/include/linux/mpassthru.h > @@ -7,6 +7,8 @@ > /* ioctl defines */ > #define MPASSTHRU_BINDDEV _IOW('M', 213, int) > #define MPASSTHRU_UNBINDDEV _IO('M', 214) > +#define MPASSTHRU_SET_MEM_LOCKED _IOW('M', 215, unsigned long) > +#define MPASSTHRU_GET_MEM_LOCKED_NEED _IOR('M', 216, unsigned long) [...]
These will need compat handling. You can avoid that by defining them to use a parameter type of u32 or u64.
Ben.
-- Ben Hutchings, Senior Software Engineer, Solarflare Communications Not speaking for my employer; that's the marketing department's job. They asked us to note that Solarflare product names are trademarked.
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