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path: root/drivers/infiniband/hw/mlx4/mr.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx4/mr.c')
-rw-r--r--drivers/infiniband/hw/mlx4/mr.c93
1 files changed, 0 insertions, 93 deletions
diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index b0121c90c561..e2fb71b23c80 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -698,99 +698,6 @@ err_free:
return ERR_PTR(err);
}
-struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int acc,
- struct ib_fmr_attr *fmr_attr)
-{
- struct mlx4_ib_dev *dev = to_mdev(pd->device);
- struct mlx4_ib_fmr *fmr;
- int err = -ENOMEM;
-
- fmr = kmalloc(sizeof *fmr, GFP_KERNEL);
- if (!fmr)
- return ERR_PTR(-ENOMEM);
-
- err = mlx4_fmr_alloc(dev->dev, to_mpd(pd)->pdn, convert_access(acc),
- fmr_attr->max_pages, fmr_attr->max_maps,
- fmr_attr->page_shift, &fmr->mfmr);
- if (err)
- goto err_free;
-
- err = mlx4_fmr_enable(to_mdev(pd->device)->dev, &fmr->mfmr);
- if (err)
- goto err_mr;
-
- fmr->ibfmr.rkey = fmr->ibfmr.lkey = fmr->mfmr.mr.key;
-
- return &fmr->ibfmr;
-
-err_mr:
- (void) mlx4_mr_free(to_mdev(pd->device)->dev, &fmr->mfmr.mr);
-
-err_free:
- kfree(fmr);
-
- return ERR_PTR(err);
-}
-
-int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
- int npages, u64 iova)
-{
- struct mlx4_ib_fmr *ifmr = to_mfmr(ibfmr);
- struct mlx4_ib_dev *dev = to_mdev(ifmr->ibfmr.device);
-
- return mlx4_map_phys_fmr(dev->dev, &ifmr->mfmr, page_list, npages, iova,
- &ifmr->ibfmr.lkey, &ifmr->ibfmr.rkey);
-}
-
-int mlx4_ib_unmap_fmr(struct list_head *fmr_list)
-{
- struct ib_fmr *ibfmr;
- int err;
- struct mlx4_dev *mdev = NULL;
-
- list_for_each_entry(ibfmr, fmr_list, list) {
- if (mdev && to_mdev(ibfmr->device)->dev != mdev)
- return -EINVAL;
- mdev = to_mdev(ibfmr->device)->dev;
- }
-
- if (!mdev)
- return 0;
-
- list_for_each_entry(ibfmr, fmr_list, list) {
- struct mlx4_ib_fmr *ifmr = to_mfmr(ibfmr);
-
- mlx4_fmr_unmap(mdev, &ifmr->mfmr, &ifmr->ibfmr.lkey, &ifmr->ibfmr.rkey);
- }
-
- /*
- * Make sure all MPT status updates are visible before issuing
- * SYNC_TPT firmware command.
- */
- wmb();
-
- err = mlx4_SYNC_TPT(mdev);
- if (err)
- pr_warn("SYNC_TPT error %d when "
- "unmapping FMRs\n", err);
-
- return 0;
-}
-
-int mlx4_ib_fmr_dealloc(struct ib_fmr *ibfmr)
-{
- struct mlx4_ib_fmr *ifmr = to_mfmr(ibfmr);
- struct mlx4_ib_dev *dev = to_mdev(ibfmr->device);
- int err;
-
- err = mlx4_fmr_free(dev->dev, &ifmr->mfmr);
-
- if (!err)
- kfree(ifmr);
-
- return err;
-}
-
static int mlx4_set_page(struct ib_mr *ibmr, u64 addr)
{
struct mlx4_ib_mr *mr = to_mmr(ibmr);