diff options
| author | Christoph Hellwig <hch@lst.de> | 2016-05-03 18:01:04 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-05-13 19:37:11 +0200 |
| commit | ff2ba9936591a1364ae21adf18366dca7608395a (patch) | |
| tree | 4bd33be266f57da2e8ccaaa5f9cc470315759d26 /include/rdma/ib_verbs.h | |
| parent | IB/cma: pass the port number to ib_create_qp (diff) | |
| download | linux-ff2ba9936591a1364ae21adf18366dca7608395a.tar.xz linux-ff2ba9936591a1364ae21adf18366dca7608395a.zip | |
IB/core: Add passing an offset into the SG to ib_map_mr_sg
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Steve Wise <swise@opengridcomputing.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/rdma/ib_verbs.h')
| -rw-r--r-- | include/rdma/ib_verbs.h | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index fb2cef4e9747..24d0d82a07b4 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1827,7 +1827,8 @@ struct ib_device { u32 max_num_sg); int (*map_mr_sg)(struct ib_mr *mr, struct scatterlist *sg, - int sg_nents); + int sg_nents, + unsigned sg_offset); struct ib_mw * (*alloc_mw)(struct ib_pd *pd, enum ib_mw_type type, struct ib_udata *udata); @@ -3111,29 +3112,23 @@ struct net_device *ib_get_net_dev_by_params(struct ib_device *dev, u8 port, u16 pkey, const union ib_gid *gid, const struct sockaddr *addr); -int ib_map_mr_sg(struct ib_mr *mr, - struct scatterlist *sg, - int sg_nents, - unsigned int page_size); +int ib_map_mr_sg(struct ib_mr *mr, struct scatterlist *sg, int sg_nents, + unsigned int sg_offset, unsigned int page_size); static inline int -ib_map_mr_sg_zbva(struct ib_mr *mr, - struct scatterlist *sg, - int sg_nents, - unsigned int page_size) +ib_map_mr_sg_zbva(struct ib_mr *mr, struct scatterlist *sg, int sg_nents, + unsigned int sg_offset, unsigned int page_size) { int n; - n = ib_map_mr_sg(mr, sg, sg_nents, page_size); + n = ib_map_mr_sg(mr, sg, sg_nents, sg_offset, page_size); mr->iova = 0; return n; } -int ib_sg_to_pages(struct ib_mr *mr, - struct scatterlist *sgl, - int sg_nents, - int (*set_page)(struct ib_mr *, u64)); +int ib_sg_to_pages(struct ib_mr *mr, struct scatterlist *sgl, int sg_nents, + unsigned int sg_offset, int (*set_page)(struct ib_mr *, u64)); void ib_drain_rq(struct ib_qp *qp); void ib_drain_sq(struct ib_qp *qp); |