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Re: [RFC v4 07/14] msi: Add a new MSI_FLAG_IRQ_REMAPPING flag

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Hi Thomas,
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.

Best Regards

Eric
>  
> Thanks,
> 
> 	tglx
> 

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[RFC v4 00/14] KVM PCIe/MSI passthrough on ARM/ARM64 Eric Auger <eric.auger@linaro.org> - 2016-02-26 18:40 +0100
  [RFC v4 09/14] msi: IOMMU map the doorbell address when needed Eric Auger <eric.auger@linaro.org> - 2016-02-26 18:40 +0100
    Re: [RFC v4 09/14] msi: IOMMU map the doorbell address when needed Thomas Gleixner <tglx@linutronix.de> - 2016-02-26 19:30 +0100
      Re: [RFC v4 09/14] msi: IOMMU map the doorbell address when needed Eric Auger <eric.auger@linaro.org> - 2016-02-29 16:30 +0100
  [RFC v4 12/14] vfio/type1: also check IRQ remapping capability at msi domain Eric Auger <eric.auger@linaro.org> - 2016-02-26 18:40 +0100
  [RFC v4 07/14] msi: Add a new MSI_FLAG_IRQ_REMAPPING flag Eric Auger <eric.auger@linaro.org> - 2016-02-26 18:40 +0100
    Re: [RFC v4 07/14] msi: Add a new MSI_FLAG_IRQ_REMAPPING flag Thomas Gleixner <tglx@linutronix.de> - 2016-02-26 19:10 +0100
      Re: [RFC v4 07/14] msi: Add a new MSI_FLAG_IRQ_REMAPPING flag Eric Auger <eric.auger@linaro.org> - 2016-02-29 16:30 +0100
  [RFC v4 02/14] iommu: introduce a reserved iova cookie Eric Auger <eric.auger@linaro.org> - 2016-02-26 18:40 +0100
  [RFC v4 01/14] iommu: Add DOMAIN_ATTR_MSI_MAPPING attribute Eric Auger <eric.auger@linaro.org> - 2016-02-26 18:40 +0100
  [RFC v4 10/14] vfio: introduce VFIO_IOVA_RESERVED vfio_dma type Eric Auger <eric.auger@linaro.org> - 2016-02-26 18:40 +0100
  [RFC v4 08/14] msi: export msi_get_domain_info Eric Auger <eric.auger@linaro.org> - 2016-02-26 18:40 +0100
  [RFC v4 03/14] dma-reserved-iommu: alloc/free_reserved_iova_domain Eric Auger <eric.auger@linaro.org> - 2016-02-26 18:40 +0100
  [RFC v4 06/14] dma-reserved-iommu: iommu_unmap_reserved Eric Auger <eric.auger@linaro.org> - 2016-02-26 18:50 +0100
  [RFC v4 05/14] dma-reserved-iommu: iommu_get/put_single_reserved Eric Auger <eric.auger@linaro.org> - 2016-02-26 18:50 +0100

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