diff options
Diffstat (limited to 'drivers/infiniband/hw/vmw_pvrdma/pvrdma_mr.c')
| -rw-r--r-- | drivers/infiniband/hw/vmw_pvrdma/pvrdma_mr.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_mr.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_mr.c index e80848bfb3bd..ec7a00c8285b 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_mr.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_mr.c @@ -104,12 +104,14 @@ struct ib_mr *pvrdma_get_dma_mr(struct ib_pd *pd, int acc) * @length: length of region * @virt_addr: I/O virtual address * @access_flags: access flags for memory region + * @dmah: dma handle * @udata: user data * * @return: ib_mr pointer on success, otherwise returns an errno. */ struct ib_mr *pvrdma_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, u64 virt_addr, int access_flags, + struct ib_dmah *dmah, struct ib_udata *udata) { struct pvrdma_dev *dev = to_vdev(pd->device); @@ -121,6 +123,9 @@ struct ib_mr *pvrdma_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, struct pvrdma_cmd_create_mr_resp *resp = &rsp.create_mr_resp; int ret, npages; + if (dmah) + return ERR_PTR(-EOPNOTSUPP); + if (length == 0 || length > dev->dsr->caps.max_mr_size) { dev_warn(&dev->pdev->dev, "invalid mem region length\n"); return ERR_PTR(-EINVAL); |