On 2022/3/22 8:26, Tian, Kevin wrote:
From: Lu Baolu
Sent: Monday, March 21, 2022 6:22 PM
- if (features >= 0)
+ if (features >= 0) {
info->pasid_supported = features | 1;
+
On 2022/3/21 19:22, Jean-Philippe Brucker wrote:
Hi Baolu,
On Sun, Mar 20, 2022 at 02:40:20PM +0800, Lu Baolu wrote:
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index 627a3ed5ee8f..8e262210b5ad 100644
--- a/drivers/iommu/arm/arm-smmu-v
> From: Lu Baolu
> Sent: Monday, March 21, 2022 6:22 PM
> >> - if (features >= 0)
> >> + if (features >= 0) {
> >>info->pasid_supported = features | 1;
> >> + dev->iommu->pasid_bi
Hi Baolu,
On Sun, Mar 20, 2022 at 02:40:20PM +0800, Lu Baolu wrote:
> diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
> b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
> index 627a3ed5ee8f..8e262210b5ad 100644
> --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
> +++ b/drivers/iommu/arm/ar
On 2022/3/21 15:01, Tian, Kevin wrote:
From: Lu Baolu
Sent: Sunday, March 20, 2022 2:40 PM
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 possi
> From: Lu Baolu
> Sent: Sunday, March 20, 2022 2:40 PM
>
> 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 fo
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 whic
