lkml.org 
[lkml]   [2013]   [Feb]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 4/4] iommu: Add domain window handling functions
On 02/04/2013 07:02:14 AM, Joerg Roedel wrote:
> On Thu, Jan 31, 2013 at 09:32:26AM +0000, Sethi Varun-B16395 wrote:
> > We need a mechanism to determine the maximum number of subwindows
> supported by PAMU. How about representing it in the iommu_domain
> structure:
> > struct iommu_domain {
> > struct iommu_ops *ops;
> > void *priv;
> > iommu_fault_handler_t handler;
> > void *handler_token;
> > struct iommu_domain_geometry geometry;
> > u32 max_sub_windows; -----> maximum number of sub windows
> supported by the hardware.
> > }
>
> I`ll leave that flag to the private-data of the IOMMU domain. Instead
> I
> added a DOMAIN_ATTR_WINDOWS attribute to get/set the number of
> subwindows. I'll post the updated patch-set soon.

If it's private data, how does the caller know what sort of geometry it
can request?

-Scott


\
 
 \ /
  Last update: 2013-02-05 01:22    [W:0.103 / U:3.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site