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On 03/07/2018 09:02 PM, R0b0t1 wrote: |
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> On Wed, Mar 7, 2018 at 7:52 PM, Taiidan@×××.com <Taiidan@×××.com> wrote: |
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>> I bought a LSI-9211-8i / SAS 2008 controller which reports support for |
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>> SR-IOV in lspci and I am wondering how I can use it. |
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>> |
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>> There is no info on the internet about this not even for their newer |
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>> controllers where there is a lot of advertising about SR-IOV. |
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>> |
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>> The idea is that you can assign a RAID array, individual hard drive, etc to |
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>> a VF which is then assigned to a VM via IOMMU providing better almost native |
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>> performance vs emulated disks. |
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>> |
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>> Thanks! |
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> If it supports SR-IOV you can pass it to a guest with VFIO. If it did |
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> not support SR-IOV it would not support VFIO. |
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I know - my question is how do I create the virtual functions and assign |
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the drives to them instead of simply attaching the entire controller? |
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According to LSI's press release you could have for instance 5 different |
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RAID's assigned to 5 different VM's via virtual functions - not simply |
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all of them assign to one VM via assigning the controller like a non |
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SR-IOV device |
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