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authorKonstantin Taranov <kotaranov@microsoft.com>2024-03-04 05:52:41 -0800
committerLeon Romanovsky <leon@kernel.org>2024-03-07 11:32:33 +0200
commit2d5c00815778ec4f4e0a84e405e3e157b7815db1 (patch)
tree0533a597a3dcca858401573693f940c13b88e95e /include
parente02497fb654689049ba8b46f098f17d5f19e0b3c (diff)
RDMA/mana_ib: Use virtual address in dma regions for MRs
Introduce mana_ib_create_dma_region() to create dma regions with iova for MRs. It allows creating MRs with any page offset. Previously, only page-aligned addresses worked. For dma regions that must have a zero dma offset (e.g., for queues), mana_ib_create_zero_offset_dma_region() is added. To get the zero offset, ib_umem_find_best_pgoff() is used with zero pgoff_bitmask. Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter") Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1709560361-26393-3-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev> Signed-off-by: Leon Romanovsky <leon@kernel.org>
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