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| author | Sagi Grimberg <sagig@mellanox.com> | 2015-10-13 19:11:30 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2015-10-28 22:27:18 -0400 |
| commit | 8376b86de7d35d43cf1a33a1f43bc015b5a095d9 (patch) | |
| tree | c75cb4e7b6a80d6bc2a50017db91444a35564b95 /drivers/infiniband/hw/cxgb4/iw_cxgb4.h | |
| parent | 14fb4171ab1c298101697fe844dbf062ff6f4adf (diff) | |
| download | lwn-8376b86de7d35d43cf1a33a1f43bc015b5a095d9.tar.gz lwn-8376b86de7d35d43cf1a33a1f43bc015b5a095d9.zip | |
iw_cxgb4: Support the new memory registration API
Support the new memory registration API by allocating a
private page list array in c4iw_mr and populate it when
c4iw_map_mr_sg is invoked. Also, support IB_WR_REG_MR
by duplicating build_fastreg just take the needed information
from different places:
- page_size, iova, length (ib_mr)
- page array (c4iw_mr)
- key, access flags (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>
Tested-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/iw_cxgb4.h')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h index c7bb38c931a5..6a8e2696455f 100644 --- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h +++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h @@ -386,6 +386,10 @@ struct c4iw_mr { struct c4iw_dev *rhp; u64 kva; struct tpt_attributes attr; + u64 *mpl; + dma_addr_t mpl_addr; + u32 max_mpl_len; + u32 mpl_len; }; static inline struct c4iw_mr *to_c4iw_mr(struct ib_mr *ibmr) @@ -973,6 +977,9 @@ struct ib_fast_reg_page_list *c4iw_alloc_fastreg_pbl( struct ib_mr *c4iw_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type, u32 max_num_sg); +int c4iw_map_mr_sg(struct ib_mr *ibmr, + struct scatterlist *sg, + int sg_nents); int c4iw_dealloc_mw(struct ib_mw *mw); struct ib_mw *c4iw_alloc_mw(struct ib_pd *pd, enum ib_mw_type type); struct ib_mr *c4iw_reg_user_mr(struct ib_pd *pd, u64 start, |