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authorFenghua Yu <fenghua.yu@intel.com>2023-03-04 00:34:13 +0300
committerVinod Koul <vkoul@kernel.org>2023-03-31 14:55:26 +0300
commit6fec8938b7b4fe2b2c503fe87b2783a50bff0415 (patch)
tree97986b15f4be05f5e2b8ea18b9d8bf8b8bf69802 /drivers/thunderbolt
parent12bbc2c2605516e781cd86e3cde9fe1f889b72cc (diff)
downloadlinux-6fec8938b7b4fe2b2c503fe87b2783a50bff0415.tar.xz
dmaengine: idxd: Add descriptor definitions for translation fetch operation
The translation fetch operation (0x0A) fetches address translations for the address range specified in the descriptor by issuing address translation (ATS) requests to the IOMMU. Add descriptor definitions for the operation so that user can use DSA to accelerate translation fetch. Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/20230303213413.3357431-4-fenghua.yu@intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
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