On 2024/3/23 1:06, Jason Gunthorpe wrote:
On Fri, Mar 15, 2024 at 09:16:43AM +0800, Baolu Lu wrote:
On 3/9/24 3:05 AM, Jason Gunthorpe wrote:
On Mon, Jan 22, 2024 at 03:39:00PM +0800, Lu Baolu wrote:
@@ -411,6 +414,8 @@ enum iommu_hwpt_data_type {
* @__reserved: Must be 0
*
On Fri, Mar 15, 2024 at 09:16:43AM +0800, Baolu Lu wrote:
> On 3/9/24 3:05 AM, Jason Gunthorpe wrote:
> > On Mon, Jan 22, 2024 at 03:39:00PM +0800, Lu Baolu wrote:
> >
> > > @@ -411,6 +414,8 @@ enum iommu_hwpt_data_type {
> > >* @__reserved: Must be 0
> > >* @data_type: One of enum
On 3/9/24 3:05 AM, Jason Gunthorpe wrote:
On Mon, Jan 22, 2024 at 03:39:00PM +0800, Lu Baolu wrote:
@@ -411,6 +414,8 @@ enum iommu_hwpt_data_type {
* @__reserved: Must be 0
* @data_type: One of enum iommu_hwpt_data_type
* @data_len: Length of the type specific data
+ * @fault_id: The
On Mon, Jan 22, 2024 at 03:39:00PM +0800, Lu Baolu wrote:
> @@ -411,6 +414,8 @@ enum iommu_hwpt_data_type {
> * @__reserved: Must be 0
> * @data_type: One of enum iommu_hwpt_data_type
> * @data_len: Length of the type specific data
> + * @fault_id: The ID of IOMMUFD_FAULT object. Valid only
On 2024/3/7 0:01, Jason Gunthorpe wrote:
On Wed, Mar 06, 2024 at 11:15:50PM +0800, Zhangfei Gao wrote:
Double checked, this does not send flags, 0 is OK,
Only domain_alloc_user in iommufd_hwpt_paging_alloc requires flags.
In my debug, I need this patch, otherwise NULL pointer errors happen
On Wed, Mar 06, 2024 at 11:15:50PM +0800, Zhangfei Gao wrote:
>
> Double checked, this does not send flags, 0 is OK,
> Only domain_alloc_user in iommufd_hwpt_paging_alloc requires flags.
>
> In my debug, I need this patch, otherwise NULL pointer errors happen
> since SVA is not set.
This is
Hi, Baolu
On Sat, 2 Mar 2024 at 10:36, Zhangfei Gao wrote:
>
> On Mon, 22 Jan 2024 at 15:46, Lu Baolu wrote:
> >
> > 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
On Mon, 22 Jan 2024 at 15:46, Lu Baolu wrote:
>
> 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 flag bit.
On 2024/2/7 16:14, Tian, Kevin wrote:
From: Lu Baolu
Sent: Monday, January 22, 2024 3:39 PM
+
+int iommufd_fault_iopf_handler(struct iopf_group *group)
+{
+ struct iommufd_hw_pagetable *hwpt = group->cookie->domain-
fault_data;
+ struct iommufd_fault *fault = hwpt->fault;
+
why
> From: Lu Baolu
> Sent: Monday, January 22, 2024 3:39 PM
>
> +
> +int iommufd_fault_iopf_handler(struct iopf_group *group)
> +{
> + struct iommufd_hw_pagetable *hwpt = group->cookie->domain-
> >fault_data;
> + struct iommufd_fault *fault = hwpt->fault;
> +
why not directly using
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 flag bit.
On a successful return of hwpt allocation, the user can
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