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RDMA/ocrdma: Support the new memory registration API

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Support the new memory registration API by allocating a
private page list array in ocrdma_mr and populate it when
ocrdma_map_mr_sg is invoked. Also, support IB_WR_REG_MR
by duplicating IB_WR_FAST_REG_MR, but take the needed
information from different places:
- page_size, iova, length, access flags (ib_mr)
- page array (ocrdma_mr)
- key (ib_reg_wr)

The IB_WR_FAST_REG_MR handlers will be removed later when
all the ULPs will be converted.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Sagi Grimberg
2015-10-13 19:11:28 +03:00
committed by Doug Ledford
parent 1b2cd0fc67
commit 2eaa1c5647
4 changed files with 96 additions and 0 deletions
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1
drivers/infiniband/hw/ocrdma/ocrdma_main.c
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@@ -180,6 +180,7 @@ static int ocrdma_register_device(struct ocrdma_dev *dev)
dev->ibdev.reg_user_mr = ocrdma_reg_user_mr;
dev->ibdev.alloc_mr = ocrdma_alloc_mr;
dev->ibdev.map_mr_sg = ocrdma_map_mr_sg;
dev->ibdev.alloc_fast_reg_page_list = ocrdma_alloc_frmr_page_list;
dev->ibdev.free_fast_reg_page_list = ocrdma_free_frmr_page_list;