From: Zhenzhong Duan <zhenzhong.duan@intel.com>
To: qemu-devel@nongnu.org
Cc: alex@shazbot.org, clg@redhat.com, eric.auger@redhat.com,
mst@redhat.com, jasowang@redhat.com, peterx@redhat.com,
ddutile@redhat.com, jgg@nvidia.com, nicolinc@nvidia.com,
skolothumtho@nvidia.com, joao.m.martins@oracle.com,
clement.mathieu--drif@eviden.com, kevin.tian@intel.com,
yi.l.liu@intel.com, chao.p.peng@intel.com,
Zhenzhong Duan <zhenzhong.duan@intel.com>
Subject: [PATCH v8 22/23] intel_iommu: Enable host device when x-flts=on in scalable mode
Date: Mon, 17 Nov 2025 04:37:25 -0500 [thread overview]
Message-ID: <20251117093729.1121324-23-zhenzhong.duan@intel.com> (raw)
In-Reply-To: <20251117093729.1121324-1-zhenzhong.duan@intel.com>
Now that all infrastructures of supporting passthrough device running
with first stage translation are there, enable it now.
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Yi Liu <yi.l.liu@intel.com>
---
hw/i386/intel_iommu_accel.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/hw/i386/intel_iommu_accel.c b/hw/i386/intel_iommu_accel.c
index 700284864d..b0242a414a 100644
--- a/hw/i386/intel_iommu_accel.c
+++ b/hw/i386/intel_iommu_accel.c
@@ -48,9 +48,7 @@ bool vtd_check_hiod_accel(IntelIOMMUState *s, VTDHostIOMMUDevice *vtd_hiod,
return false;
}
- error_setg(errp,
- "host IOMMU is incompatible with guest first stage translation");
- return false;
+ return true;
}
VTDHostIOMMUDevice *vtd_find_hiod_iommufd(VTDAddressSpace *as)
--
2.47.1
next prev parent reply other threads:[~2025-11-17 9:41 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-17 9:37 [PATCH v8 00/23] intel_iommu: Enable first stage translation for passthrough device Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 01/23] intel_iommu: Rename vtd_ce_get_rid2pasid_entry to vtd_ce_get_pasid_entry Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 02/23] intel_iommu: Delete RPS capability related supporting code Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 03/23] intel_iommu: Update terminology to match VTD spec Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 04/23] hw/pci: Export pci_device_get_iommu_bus_devfn() and return bool Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 05/23] hw/pci: Introduce pci_device_get_viommu_flags() Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 06/23] intel_iommu: Implement get_viommu_flags() callback Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 07/23] intel_iommu: Introduce a new structure VTDHostIOMMUDevice Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 08/23] vfio/iommufd: Force creating nesting parent HWPT Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 09/23] intel_iommu_accel: Check for compatibility with IOMMUFD backed device when x-flts=on Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 10/23] intel_iommu_accel: Fail passthrough device under PCI bridge if x-flts=on Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 11/23] intel_iommu_accel: Stick to system MR for IOMMUFD backed host device when x-flts=on Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 12/23] intel_iommu: Add some macros and inline functions Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 13/23] intel_iommu_accel: Bind/unbind guest page table to host Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 14/23] intel_iommu_accel: Propagate PASID-based iotlb invalidation " Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 15/23] intel_iommu: Replay all pasid bindings when either SRTP or TE bit is changed Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 16/23] intel_iommu: Replay pasid bindings after context cache invalidation Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 17/23] vfio/listener: Bypass readonly region for dirty tracking Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 18/23] intel_iommu: Add migration support with x-flts=on Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 19/23] hw/pci: Introduce pci_device_get_host_iommu_quirks() Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 20/23] intel_iommu_accel: Implement get_host_iommu_quirks() callback Zhenzhong Duan
2025-11-17 9:37 ` [PATCH v8 21/23] Workaround for ERRATA_772415_SPR17 Zhenzhong Duan
2025-11-17 9:37 ` Zhenzhong Duan [this message]
2025-11-17 9:37 ` [PATCH v8 23/23] docs/devel: Add IOMMUFD nesting documentation Zhenzhong Duan
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