From: Peter Xu <peterx@redhat.com>
To: Liu Yi L <yi.l.liu@intel.com>
Cc: jean-philippe@linaro.org, kevin.tian@intel.com,
Jacob Pan <jacob.jun.pan@linux.intel.com>,
Yi Sun <yi.y.sun@linux.intel.com>,
Eduardo Habkost <ehabkost@redhat.com>,
kvm@vger.kernel.org, mst@redhat.com, jun.j.tian@intel.com,
qemu-devel@nongnu.org, eric.auger@redhat.com,
alex.williamson@redhat.com, pbonzini@redhat.com,
hao.wu@intel.com, yi.y.sun@intel.com,
Richard Henderson <rth@twiddle.net>,
david@gibson.dropbear.id.au
Subject: Re: [PATCH v2 22/22] intel_iommu: modify x-scalable-mode to be string option
Date: Fri, 3 Apr 2020 10:49:16 -0400 [thread overview]
Message-ID: <20200403144916.GM103677@xz-x1> (raw)
In-Reply-To: <1585542301-84087-23-git-send-email-yi.l.liu@intel.com>
On Sun, Mar 29, 2020 at 09:25:01PM -0700, Liu Yi L wrote:
> Intel VT-d 3.0 introduces scalable mode, and it has a bunch of capabilities
> related to scalable mode translation, thus there are multiple combinations.
> While this vIOMMU implementation wants simplify it for user by providing
> typical combinations. User could config it by "x-scalable-mode" option. The
> usage is as below:
>
> "-device intel-iommu,x-scalable-mode=["legacy"|"modern"|"off"]"
>
> - "legacy": gives support for SL page table
> - "modern": gives support for FL page table, pasid, virtual command
> - "off": no scalable mode support
> - if not configured, means no scalable mode support, if not proper
> configured, will throw error
>
> Note: this patch is supposed to be merged when the whole vSVA patch series
> were merged.
>
> Cc: Kevin Tian <kevin.tian@intel.com>
> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
> Cc: Peter Xu <peterx@redhat.com>
> Cc: Yi Sun <yi.y.sun@linux.intel.com>
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Cc: Richard Henderson <rth@twiddle.net>
> Cc: Eduardo Habkost <ehabkost@redhat.com>
> Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
> Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
--
Peter Xu
next prev parent reply other threads:[~2020-04-03 14:50 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-30 4:24 [PATCH v2 00/22] intel_iommu: expose Shared Virtual Addressing to VMs Liu Yi L
2020-03-30 4:24 ` [PATCH v2 01/22] scripts/update-linux-headers: Import iommu.h Liu Yi L
2020-03-30 4:24 ` [PATCH v2 02/22] header file update VFIO/IOMMU vSVA APIs Liu Yi L
2020-03-30 4:24 ` [PATCH v2 03/22] vfio: check VFIO_TYPE1_NESTING_IOMMU support Liu Yi L
2020-03-30 9:36 ` Auger Eric
2020-03-31 6:08 ` Liu, Yi L
2020-03-30 4:24 ` [PATCH v2 04/22] hw/iommu: introduce HostIOMMUContext Liu Yi L
2020-03-30 17:22 ` Auger Eric
2020-03-31 4:10 ` Liu, Yi L
2020-03-31 7:47 ` Auger Eric
2020-03-31 12:43 ` Liu, Yi L
2020-04-06 8:04 ` Liu, Yi L
2020-04-06 10:30 ` Auger Eric
2020-03-30 4:24 ` [PATCH v2 05/22] hw/pci: modify pci_setup_iommu() to set PCIIOMMUOps Liu Yi L
2020-03-30 11:02 ` Auger Eric
2020-04-02 8:52 ` Liu, Yi L
2020-04-02 12:41 ` Auger Eric
2020-04-02 13:37 ` Liu, Yi L
2020-04-02 13:49 ` Auger Eric
2020-04-06 6:27 ` Liu, Yi L
2020-04-06 10:04 ` Auger Eric
2020-03-30 4:24 ` [PATCH v2 06/22] hw/pci: introduce pci_device_set/unset_iommu_context() Liu Yi L
2020-03-30 17:30 ` Auger Eric
2020-03-31 12:14 ` Liu, Yi L
2020-03-30 4:24 ` [PATCH v2 07/22] intel_iommu: add set/unset_iommu_context callback Liu Yi L
2020-03-30 20:23 ` Auger Eric
2020-03-31 12:25 ` Liu, Yi L
2020-03-31 12:57 ` Auger Eric
2020-03-30 4:24 ` [PATCH v2 08/22] vfio/common: provide PASID alloc/free hooks Liu Yi L
2020-03-31 10:47 ` Auger Eric
2020-03-31 10:59 ` Liu, Yi L
2020-03-31 11:15 ` Auger Eric
2020-03-31 12:54 ` Liu, Yi L
2020-03-30 4:24 ` [PATCH v2 09/22] vfio/common: init HostIOMMUContext per-container Liu Yi L
2020-04-01 7:50 ` Auger Eric
2020-04-06 7:12 ` Liu, Yi L
2020-04-06 10:20 ` Auger Eric
2020-04-07 11:59 ` Liu, Yi L
2020-03-30 4:24 ` [PATCH v2 10/22] vfio/pci: set host iommu context to vIOMMU Liu Yi L
2020-03-31 14:30 ` Auger Eric
2020-04-01 3:20 ` Liu, Yi L
2020-03-30 4:24 ` [PATCH v2 11/22] intel_iommu: add virtual command capability support Liu Yi L
2020-03-30 4:24 ` [PATCH v2 12/22] intel_iommu: process PASID cache invalidation Liu Yi L
2020-03-30 4:24 ` [PATCH v2 13/22] intel_iommu: add PASID cache management infrastructure Liu Yi L
2020-04-02 0:02 ` Peter Xu
2020-04-02 6:46 ` Liu, Yi L
2020-04-02 13:44 ` Peter Xu
2020-04-03 15:05 ` Liu, Yi L
2020-04-03 16:19 ` Peter Xu
2020-04-04 11:39 ` Liu, Yi L
2020-03-30 4:24 ` [PATCH v2 14/22] vfio: add bind stage-1 page table support Liu Yi L
2020-03-30 4:24 ` [PATCH v2 15/22] intel_iommu: bind/unbind guest page table to host Liu Yi L
2020-04-02 18:09 ` Peter Xu
2020-04-03 14:29 ` Liu, Yi L
2020-03-30 4:24 ` [PATCH v2 16/22] intel_iommu: replay pasid binds after context cache invalidation Liu Yi L
2020-04-03 14:45 ` Peter Xu
2020-04-03 15:21 ` Liu, Yi L
2020-04-03 16:11 ` Peter Xu
2020-04-04 12:00 ` Liu, Yi L
2020-04-06 19:48 ` Peter Xu
2020-03-30 4:24 ` [PATCH v2 17/22] intel_iommu: do not pass down pasid bind for PASID #0 Liu Yi L
2020-03-30 4:24 ` [PATCH v2 18/22] vfio: add support for flush iommu stage-1 cache Liu Yi L
2020-03-30 4:24 ` [PATCH v2 19/22] intel_iommu: process PASID-based iotlb invalidation Liu Yi L
2020-04-03 14:47 ` Peter Xu
2020-04-03 15:21 ` Liu, Yi L
2020-03-30 4:24 ` [PATCH v2 20/22] intel_iommu: propagate PASID-based iotlb invalidation to host Liu Yi L
2020-03-30 4:25 ` [PATCH v2 21/22] intel_iommu: process PASID-based Device-TLB invalidation Liu Yi L
2020-03-30 4:25 ` [PATCH v2 22/22] intel_iommu: modify x-scalable-mode to be string option Liu Yi L
2020-04-03 14:49 ` Peter Xu [this message]
2020-04-03 15:22 ` Liu, Yi L
2020-03-30 5:40 ` [PATCH v2 00/22] intel_iommu: expose Shared Virtual Addressing to VMs no-reply
2020-03-30 10:36 ` Auger Eric
2020-03-30 14:46 ` Peter Xu
2020-03-31 6:53 ` Liu, Yi L
2020-04-02 8:33 ` Jason Wang
2020-04-02 13:46 ` Peter Xu
2020-04-03 1:38 ` Jason Wang
2020-04-03 14:20 ` Liu, Yi L
2020-04-02 18:12 ` Peter Xu
2020-04-03 14:32 ` Liu, Yi L
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