diff options
| author | Christoph Hellwig <hch@lst.de> | 2016-05-03 18:01:04 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-05-13 13:37:11 -0400 |
| commit | ff2ba9936591a1364ae21adf18366dca7608395a (patch) | |
| tree | 4bd33be266f57da2e8ccaaa5f9cc470315759d26 /drivers/infiniband/hw/mlx4 | |
| parent | 0691a286d59183c44b68defd398cb7af0354bd00 (diff) | |
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 'drivers/infiniband/hw/mlx4')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/mlx4_ib.h | 5 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mlx4/mr.c | 7 |
2 files changed, 5 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index 1eca01cebe51..ba328177eae9 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -717,9 +717,8 @@ int mlx4_ib_dealloc_mw(struct ib_mw *mw); struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type, u32 max_num_sg); -int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, - struct scatterlist *sg, - int sg_nents); +int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents, + unsigned int sg_offset); int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c index ce0b5aa8eb9b..b04f6238e7e2 100644 --- a/drivers/infiniband/hw/mlx4/mr.c +++ b/drivers/infiniband/hw/mlx4/mr.c @@ -528,9 +528,8 @@ static int mlx4_set_page(struct ib_mr *ibmr, u64 addr) return 0; } -int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, - struct scatterlist *sg, - int sg_nents) +int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents, + unsigned int sg_offset) { struct mlx4_ib_mr *mr = to_mmr(ibmr); int rc; @@ -541,7 +540,7 @@ int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, sizeof(u64) * mr->max_pages, DMA_TO_DEVICE); - rc = ib_sg_to_pages(ibmr, sg, sg_nents, mlx4_set_page); + rc = ib_sg_to_pages(ibmr, sg, sg_nents, sg_offset, mlx4_set_page); ib_dma_sync_single_for_device(ibmr->device, mr->page_map, sizeof(u64) * mr->max_pages, |