From: Nicolin Chen <nicolinc@nvidia.com>
To: Zhenzhong Duan <zhenzhong.duan@intel.com>
Cc: <qemu-devel@nongnu.org>, <alex@shazbot.org>, <clg@redhat.com>,
<eric.auger@redhat.com>, <mst@redhat.com>, <jasowang@redhat.com>,
<jgg@nvidia.com>, <skolothumtho@nvidia.com>,
<joao.m.martins@oracle.com>, <clement.mathieu--drif@bull.com>,
<kevin.tian@intel.com>, <yi.l.liu@intel.com>,
<xudong.hao@intel.com>
Subject: Re: [PATCH v2 01/14] vfio/iommufd: Extend attach/detach_hwpt callback implementations with pasid
Date: Thu, 26 Mar 2026 15:04:29 -0700 [thread overview]
Message-ID: <acWtbTQHgtuENzLX@nvidia.com> (raw)
In-Reply-To: <20260326091130.321483-2-zhenzhong.duan@intel.com>
On Thu, Mar 26, 2026 at 05:11:15AM -0400, Zhenzhong Duan wrote:
> For attachment with pasid, pasid together with flag VFIO_DEVICE_ATTACH_PASID
> should be passed in.
>
> Define IOMMU_NO_PASID to represent device attachment without pasid same as
> in kernel.
>
> The implementation is similar for detachment.
>
> Suggested-by: Shameer Kolothum Thodi <skolothumtho@nvidia.com>
> Suggested-by: Nicolin Chen <nicolinc@nvidia.com>
> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
> Reviewed-by: Yi Liu <yi.l.liu@intel.com>
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
next prev parent reply other threads:[~2026-03-26 22:11 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-26 9:11 [PATCH v2 00/14] intel_iommu: Enable PASID support for passthrough device Zhenzhong Duan
2026-03-26 9:11 ` [PATCH v2 01/14] vfio/iommufd: Extend attach/detach_hwpt callback implementations with pasid Zhenzhong Duan
2026-03-26 22:04 ` Nicolin Chen [this message]
2026-03-26 9:11 ` [PATCH v2 02/14] iommufd: Extend attach/detach_hwpt callbacks to support pasid Zhenzhong Duan
2026-03-26 22:18 ` Nicolin Chen
2026-03-27 2:32 ` Duan, Zhenzhong
2026-03-27 3:48 ` Nicolin Chen
2026-03-27 6:44 ` Duan, Zhenzhong
2026-03-27 9:34 ` Cédric Le Goater
2026-03-27 20:52 ` Nicolin Chen via
2026-03-27 20:52 ` Nicolin Chen via qemu development
2026-03-30 8:50 ` Yi Liu
2026-03-30 12:09 ` Cédric Le Goater
2026-03-27 4:29 ` Yi Liu
2026-03-27 6:45 ` Duan, Zhenzhong
2026-03-30 12:43 ` Cédric Le Goater
2026-03-31 5:31 ` Duan, Zhenzhong
2026-03-31 7:15 ` Cédric Le Goater
2026-03-26 9:11 ` [PATCH v2 03/14] vfio/iommufd: Create nesting parent hwpt with IOMMU_HWPT_ALLOC_PASID flag Zhenzhong Duan
2026-03-26 22:53 ` Nicolin Chen
2026-03-27 2:29 ` Duan, Zhenzhong
2026-03-27 4:08 ` Nicolin Chen
2026-03-27 6:58 ` Duan, Zhenzhong
2026-03-27 4:29 ` Yi Liu
2026-03-27 7:26 ` Duan, Zhenzhong
2026-03-26 9:11 ` [PATCH v2 04/14] intel_iommu: Create the nested " Zhenzhong Duan
2026-03-26 9:11 ` [PATCH v2 05/14] intel_iommu: Change pasid property from bool to uint8 Zhenzhong Duan
2026-03-27 4:30 ` Yi Liu
2026-03-27 7:41 ` Duan, Zhenzhong
2026-03-31 6:49 ` CLEMENT MATHIEU--DRIF
2026-03-26 9:11 ` [PATCH v2 06/14] intel_iommu: Export some functions Zhenzhong Duan
2026-03-26 9:11 ` [PATCH v2 07/14] intel_iommu_accel: Handle PASID entry addition for pc_inv_dsc request Zhenzhong Duan
2026-03-27 4:30 ` Yi Liu
2026-03-27 8:08 ` Duan, Zhenzhong
2026-03-30 6:21 ` Yi Liu
2026-03-26 9:11 ` [PATCH v2 08/14] intel_iommu_accel: Handle PASID entry removal " Zhenzhong Duan
2026-03-27 4:31 ` Yi Liu
2026-03-30 6:58 ` Duan, Zhenzhong
2026-03-26 9:11 ` [PATCH v2 09/14] intel_iommu_accel: Bypass PASID entry addition for just deleted entry Zhenzhong Duan
2026-03-31 6:49 ` CLEMENT MATHIEU--DRIF
2026-03-31 7:04 ` Duan, Zhenzhong
2026-03-26 9:11 ` [PATCH v2 10/14] intel_iommu_accel: Handle PASID entry removal for system reset Zhenzhong Duan
2026-03-27 4:32 ` Yi Liu
2026-03-30 6:24 ` Yi Liu
2026-03-30 7:36 ` Duan, Zhenzhong
2026-03-26 9:11 ` [PATCH v2 11/14] intel_iommu_accel: Support pasid binding/unbinding and PIOTLB flushing Zhenzhong Duan
2026-03-27 4:32 ` Yi Liu
2026-03-30 8:18 ` Duan, Zhenzhong
2026-03-26 9:11 ` [PATCH v2 12/14] intel_iommu_accel: drop _lock suffix in vtd_flush_host_piotlb_all_locked() Zhenzhong Duan
2026-03-26 9:11 ` [PATCH v2 13/14] intel_iommu_accel: Add pasid bits size check Zhenzhong Duan
2026-03-27 4:32 ` Yi Liu
2026-03-30 9:06 ` Duan, Zhenzhong
2026-03-30 10:36 ` Yi Liu
2026-03-31 4:47 ` Duan, Zhenzhong
2026-03-26 9:11 ` [PATCH v2 14/14] intel_iommu: Expose flag VIOMMU_FLAG_PASID_SUPPORTED when configured Zhenzhong Duan
2026-03-27 3:58 ` [PATCH v2 00/14] intel_iommu: Enable PASID support for passthrough device Hao, Xudong
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