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From: Peter Xu <peterx@redhat.com>
To: Liu Yi L <yi.l.liu@intel.com>
Cc: qemu-devel@nongnu.org, alex.williamson@redhat.com,
	eric.auger@redhat.com, pbonzini@redhat.com, mst@redhat.com,
	david@gibson.dropbear.id.au, kevin.tian@intel.com,
	jun.j.tian@intel.com, yi.y.sun@intel.com, kvm@vger.kernel.org,
	hao.wu@intel.com, jean-philippe@linaro.org,
	Jacob Pan <jacob.jun.pan@linux.intel.com>,
	Yi Sun <yi.y.sun@linux.intel.com>,
	Richard Henderson <rth@twiddle.net>,
	Eduardo Habkost <ehabkost@redhat.com>
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


WARNING: multiple messages have this Message-ID (diff)
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



  reply	other threads:[~2020-04-03 14:49 UTC|newest]

Thread overview: 160+ 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 ` 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   ` 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   ` 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  4:24   ` Liu Yi L
2020-03-30  9:36   ` Auger Eric
2020-03-30  9:36     ` Auger Eric
2020-03-31  6:08     ` Liu, Yi L
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  4:24   ` Liu Yi L
2020-03-30 17:22   ` Auger Eric
2020-03-30 17:22     ` Auger Eric
2020-03-31  4:10     ` Liu, Yi L
2020-03-31  4:10       ` Liu, Yi L
2020-03-31  7:47       ` Auger Eric
2020-03-31  7:47         ` Auger Eric
2020-03-31 12:43         ` Liu, Yi L
2020-03-31 12:43           ` Liu, Yi L
2020-04-06  8:04     ` Liu, Yi L
2020-04-06  8:04       ` Liu, Yi L
2020-04-06 10:30       ` Auger Eric
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  4:24   ` Liu Yi L
2020-03-30 11:02   ` Auger Eric
2020-03-30 11:02     ` Auger Eric
2020-04-02  8:52     ` Liu, Yi L
2020-04-02  8:52       ` Liu, Yi L
2020-04-02 12:41       ` Auger Eric
2020-04-02 12:41         ` Auger Eric
2020-04-02 13:37         ` Liu, Yi L
2020-04-02 13:37           ` Liu, Yi L
2020-04-02 13:49           ` Auger Eric
2020-04-02 13:49             ` Auger Eric
2020-04-06  6:27             ` Liu, Yi L
2020-04-06  6:27               ` Liu, Yi L
2020-04-06 10:04               ` Auger Eric
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  4:24   ` Liu Yi L
2020-03-30 17:30   ` Auger Eric
2020-03-30 17:30     ` Auger Eric
2020-03-31 12:14     ` Liu, Yi L
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  4:24   ` Liu Yi L
2020-03-30 20:23   ` Auger Eric
2020-03-30 20:23     ` Auger Eric
2020-03-31 12:25     ` Liu, Yi L
2020-03-31 12:25       ` Liu, Yi L
2020-03-31 12:57       ` Auger Eric
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
2020-03-30  4:24   ` Liu Yi L
2020-03-31 10:47   ` Auger Eric
2020-03-31 10:47     ` Auger Eric
2020-03-31 10:59     ` Liu, Yi L
2020-03-31 10:59       ` Liu, Yi L
2020-03-31 11:15       ` Auger Eric
2020-03-31 11:15         ` Auger Eric
2020-03-31 12:54         ` Liu, Yi L
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
2020-03-30  4:24   ` Liu Yi L
2020-04-01  7:50   ` Auger Eric
2020-04-01  7:50     ` Auger Eric
2020-04-06  7:12     ` Liu, Yi L
2020-04-06  7:12       ` Liu, Yi L
2020-04-06 10:20       ` Auger Eric
2020-04-06 10:20         ` Auger Eric
2020-04-07 11:59         ` Liu, Yi L
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
2020-03-30  4:24   ` Liu Yi L
2020-03-31 14:30   ` Auger Eric
2020-03-31 14:30     ` Auger Eric
2020-04-01  3:20     ` Liu, Yi L
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   ` 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   ` Liu Yi L
2020-03-30  4:24 ` [PATCH v2 13/22] intel_iommu: add PASID cache management infrastructure Liu Yi L
2020-03-30  4:24   ` Liu Yi L
2020-04-02  0:02   ` Peter Xu
2020-04-02  0:02     ` Peter Xu
2020-04-02  6:46     ` Liu, Yi L
2020-04-02  6:46       ` Liu, Yi L
2020-04-02 13:44       ` Peter Xu
2020-04-02 13:44         ` Peter Xu
2020-04-03 15:05         ` Liu, Yi L
2020-04-03 15:05           ` Liu, Yi L
2020-04-03 16:19           ` Peter Xu
2020-04-03 16:19             ` Peter Xu
2020-04-04 11:39             ` Liu, Yi L
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   ` Liu Yi L
2020-03-30  4:24 ` [PATCH v2 15/22] intel_iommu: bind/unbind guest page table to host Liu Yi L
2020-03-30  4:24   ` Liu Yi L
2020-04-02 18:09   ` Peter Xu
2020-04-02 18:09     ` Peter Xu
2020-04-03 14:29     ` Liu, Yi L
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
2020-03-30  4:24   ` Liu Yi L
2020-04-03 14:45   ` Peter Xu
2020-04-03 14:45     ` Peter Xu
2020-04-03 15:21     ` Liu, Yi L
2020-04-03 15:21       ` Liu, Yi L
2020-04-03 16:11       ` Peter Xu
2020-04-03 16:11         ` Peter Xu
2020-04-04 12:00         ` Liu, Yi L
2020-04-04 12:00           ` Liu, Yi L
2020-04-06 19:48           ` Peter Xu
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   ` 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   ` Liu Yi L
2020-03-30  4:24 ` [PATCH v2 19/22] intel_iommu: process PASID-based iotlb invalidation Liu Yi L
2020-03-30  4:24   ` Liu Yi L
2020-04-03 14:47   ` Peter Xu
2020-04-03 14:47     ` Peter Xu
2020-04-03 15:21     ` Liu, Yi L
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  4:24   ` 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   ` 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
2020-03-30  4:25   ` Liu Yi L
2020-04-03 14:49   ` Peter Xu [this message]
2020-04-03 14:49     ` Peter Xu
2020-04-03 15:22     ` Liu, Yi L
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  5:40   ` no-reply
2020-03-30 10:36 ` Auger Eric
2020-03-30 10:36   ` Auger Eric
2020-03-30 14:46   ` Peter Xu
2020-03-30 14:46     ` Peter Xu
2020-03-31  6:53     ` Liu, Yi L
2020-03-31  6:53       ` Liu, Yi L
2020-04-02  8:33 ` Jason Wang
2020-04-02  8:33   ` Jason Wang
2020-04-02 13:46   ` Peter Xu
2020-04-02 13:46     ` Peter Xu
2020-04-03  1:38     ` Jason Wang
2020-04-03  1:38       ` Jason Wang
2020-04-03 14:20     ` Liu, Yi L
2020-04-03 14:20       ` Liu, Yi L
2020-04-02 18:12 ` Peter Xu
2020-04-02 18:12   ` Peter Xu
2020-04-03 14:32   ` Liu, Yi L
2020-04-03 14:32     ` Liu, Yi L

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