Messages in this thread | | | Date | Wed, 8 Jun 2022 14:07:05 -0700 | Subject | Re: [PATCH v3 3/4] scsi: core: Cap shost max_sectors according to DMA optimum mapping limits | From | Bart Van Assche <> |
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On 6/8/22 10:50, John Garry wrote: > Please note that this limit only applies if we have an IOMMU enabled for > the scsi host dma device. Otherwise we are limited by dma direct or > swiotlb max mapping size, as before.
SCSI host bus adapters that support 64-bit DMA may support much larger transfer sizes than 128 KiB.
Thanks,
Bart.
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