[lkml]   [2022]   [May]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v5 02/12] iommu: Add pasid_bits field in struct dev_iommu
On 2022/5/4 02:02, Jean-Philippe Brucker wrote:
> On Mon, May 02, 2022 at 09:48:32AM +0800, Lu Baolu wrote:
>> Use this field to save the pasid/ssid bits that a device is able to
>> support with its IOMMU hardware. It is a generic attribute of a device
>> and lifting it into the per-device dev_iommu struct makes it possible
>> to allocate a PASID for device without calls into the IOMMU drivers.
>> Any iommu driver which suports PASID related features should set this
>> field before features are enabled on the devices.
>> For initialization of this field in the VT-d driver, the
>> info->pasid_supported is only set for PCI devices. So the status is
>> that non-PCI SVA hasn't been supported yet. Setting this field only for
>> PCI devices has no functional change.
>> Signed-off-by: Lu Baolu<>
> Reviewed-by: Jean-Philippe Brucker<>

Thank you! Very appreciated for reviewing my patches.

Best regards,

 \ /
  Last update: 2022-05-05 08:27    [W:0.052 / U:0.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site