> From: Lu Baolu
> Sent: Tuesday, April 30, 2024 10:57 PM
>
> @@ -227,7 +233,7 @@ iommufd_hwpt_nested_alloc(struct iommufd_ctx
> *ictx,
> refcount_inc(>common.obj.users);
> hwpt_nested->parent = parent;
>
> - hwpt->domain = ops->domain_alloc_user(idev->dev, flags,
> +
> From: Baolu Lu
> Sent: Monday, May 20, 2024 10:10 AM
>
> On 5/15/24 4:43 PM, Tian, Kevin wrote:
> >> From: Lu Baolu
> >> Sent: Tuesday, April 30, 2024 10:57 PM
> >> +
> >> +int iommufd_fault_domain_replace_dev(struct iommufd_device *i
> From: Baolu Lu
> Sent: Sunday, May 19, 2024 10:04 PM
>
> On 2024/5/15 15:31, Tian, Kevin wrote:
> >> From: Lu Baolu
> >> Sent: Tuesday, April 30, 2024 10:57 PM
> >>
> >> + handle = iommu_attach_handle_get(dev->iommu_group, pasid, 0);
> &g
> From: Baolu Lu
> Sent: Monday, May 20, 2024 8:41 AM
>
> On 5/15/24 3:57 PM, Tian, Kevin wrote:
> >> From: Baolu Lu
> >> Sent: Wednesday, May 8, 2024 6:05 PM
> >>
> >> On 2024/5/8 8:11, Jason Gunthorpe wrote:
> >>> On Tue, Apr 30,
> From: Baolu Lu
> Sent: Sunday, May 19, 2024 6:14 PM
>
> On 5/15/24 3:21 PM, Tian, Kevin wrote:
> >> From: Lu Baolu
> >> Sent: Tuesday, April 30, 2024 10:57 PM
> >>
> >> #else
> >> -static inline struct iommu_sva *
> >> +stati
> From: Baolu Lu
> Sent: Monday, May 20, 2024 9:34 AM
>
> On 5/15/24 4:37 PM, Tian, Kevin wrote:
> >> +
> >> + iopf_group_response(group, response.code);
> > PCIe spec states that a response failure disables the PRI interface. For SR-
> IOV
> &g
> From: Baolu Lu
> Sent: Monday, May 20, 2024 11:33 AM
>
> On 5/20/24 11:24 AM, Tian, Kevin wrote:
> >> From: Baolu Lu
> >> Sent: Sunday, May 19, 2024 10:38 PM
> >>
> >> On 2024/5/15 15:43, Tian, Kevin wrote:
> >>>>
> From: Baolu Lu
> Sent: Monday, May 20, 2024 10:19 AM
>
> On 5/15/24 4:50 PM, Tian, Kevin wrote:
> >> From: Lu Baolu
> >> Sent: Tuesday, April 30, 2024 10:57 PM
> >>
> >> @@ -308,6 +314,19 @@ int iommufd_hwpt_alloc(struct iommufd_
> From: Baolu Lu
> Sent: Sunday, May 19, 2024 10:38 PM
>
> On 2024/5/15 15:43, Tian, Kevin wrote:
> >> From: Lu Baolu
> >> Sent: Tuesday, April 30, 2024 10:57 PM
> >>
> >> iommu_hwpt_pgfaults represent fault messages that the userspace can
&
> From: Jason Gunthorpe
> Sent: Friday, May 24, 2024 10:15 PM
>
> On Mon, May 20, 2024 at 04:59:18AM +, Tian, Kevin wrote:
> > > From: Baolu Lu
> > > Sent: Monday, May 20, 2024 11:33 AM
> > >
> > > On 5/20/24 11:24 AM, Tian, Kevin wrote:
>
> From: Jason Gunthorpe
> Sent: Friday, May 24, 2024 10:25 PM
>
> On Mon, May 20, 2024 at 03:39:54AM +, Tian, Kevin wrote:
> > > From: Baolu Lu
> > > Sent: Monday, May 20, 2024 10:19 AM
> > >
> > > On 5/15/24 4:50 PM, Tian, Kevin wrote:
> &
> From: Lu Baolu
> Sent: Monday, May 27, 2024 12:05 PM
>
> +static ssize_t iommufd_fault_fops_read(struct file *filep, char __user *buf,
> +size_t count, loff_t *ppos)
> +{
> + size_t fault_size = sizeof(struct iommu_hwpt_pgfault);
> + struct
> From: Lu Baolu
> Sent: Monday, May 27, 2024 12:05 PM
>
> When allocating a user iommufd_hw_pagetable, the user space is allowed to
> associate a fault object with the hw_pagetable by specifying the fault
> object ID in the page table allocation data and setting the
> IOMMU_HWPT_FAULT_ID_VALID
> From: Baolu Lu
> Sent: Thursday, June 6, 2024 2:07 PM
>
> On 6/5/24 4:15 PM, Tian, Kevin wrote:
> >> From: Lu Baolu
> >> Sent: Monday, May 27, 2024 12:05 PM
> >>
> >> - list_for_each_entry(handle, >iommu_mm->sva_handles,
>
> From: Lu Baolu
> Sent: Monday, May 27, 2024 12:05 PM
>
> Add iopf-capable hw page table attach/detach/replace helpers. The pointer
> to iommufd_device is stored in the domain attachment handle, so that it
> can be echo'ed back in the iopf_group.
this message needs an update. now the device
> From: Baolu Lu
> Sent: Thursday, June 6, 2024 2:28 PM
>
> On 6/5/24 4:28 PM, Tian, Kevin wrote:
> >> From: Lu Baolu
> >> Sent: Monday, May 27, 2024 12:05 PM
> >>
> >> +
> >> +/**
> >> + * struct iommu_hwpt_page_
> From: Lu Baolu
> Sent: Monday, May 27, 2024 12:05 PM
>
> @@ -69,11 +68,16 @@ static struct iommu_mm_data
> *iommu_alloc_mm_data(struct mm_struct *mm, struct de
> */
> struct iommu_sva *iommu_sva_bind_device(struct device *dev, struct
> mm_struct *mm)
> {
> + struct iommu_group *group =
> From: Lu Baolu
> Sent: Monday, May 27, 2024 12:05 PM
>
> @@ -249,6 +249,12 @@ enum iommu_cap {
>*/
> IOMMU_CAP_DEFERRED_FLUSH,
> IOMMU_CAP_DIRTY_TRACKING, /* IOMMU supports dirty
> tracking */
> + /*
> + * IOMMU driver supports user-managed IOASID table.
> From: Lu Baolu
> Sent: Monday, May 27, 2024 12:05 PM
>
> @@ -99,7 +99,9 @@ struct iommu_sva *iommu_sva_bind_device(struct device
> *dev, struct mm_struct *mm
>
> /* Search for an existing domain. */
> list_for_each_entry(domain, >iommu_mm->sva_domains, next) {
> - ret
> From: Lu Baolu
> Sent: Monday, May 27, 2024 12:05 PM
>
> +
> +/**
> + * struct iommu_hwpt_page_response - IOMMU page fault response
> + * @size: sizeof(struct iommu_hwpt_page_response)
> + * @flags: Must be set to 0
> + * @dev_id: device ID of target device for the response
> + * @pasid:
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