Hi, On Thu, Aug 30, 2018 at 10:09:04AM +0100, Burakov, Anatoly wrote: > On 29-Aug-18 4:58 PM, eric zhang wrote: > > This patch adds a configuration option to force the IOVA mode to > > physical address (PA). There exists virtual devices that are not > > directly attached to the PCI bus, and therefore the auto detection > > of the IOVA mode based on probing the PCI bus and IOMMU configuration > > may not report the required addressing mode. Having the configuration > > option permits the mode to be explicitly configured in this scenario. > > > > Signed-off-by: eric zhang <eric.zh...@windriver.com> > > --- > > Defining this at compile-time seems like an overkill. Wouldn't it be better > to just add an EAL command-line option to force IOVA mode to a particular > value? > > -- > Thanks, > Anatoly
What is the bus of these devices and why not implement get_iommu_class in it? -- Gaëtan Rivet 6WIND
