Re: [RFC v4 07/14] msi: Add a new MSI_FLAG_IRQ_REMAPPING flag
From: Eric Auger
Date: Mon Feb 29 2016 - 10:26:26 EST
On 02/26/2016 07:06 PM, Thomas Gleixner wrote:
> On Fri, 26 Feb 2016, Eric Auger wrote:
>> Let's introduce a new msi_domain_info flag value, MSI_FLAG_IRQ_REMAPPING
>> meant to tell the domain supports IRQ REMAPPING, also known as Interrupt
>> Translation Service. On Intel HW this capability is abstracted on IOMMU
>> side while on ARM it is abstracted on MSI controller side.
>> GICv3 ITS HW is the first HW advertising that feature.
> No. We add the flag, epxlain what it does and then in a second step add the
> user _after_ all other preliminaries are implemented.
Sure I will proceed that way.