diff options
Diffstat (limited to 'drivers/infiniband/sw/siw/siw_verbs.c')
| -rw-r--r-- | drivers/infiniband/sw/siw/siw_verbs.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/infiniband/sw/siw/siw_verbs.c b/drivers/infiniband/sw/siw/siw_verbs.c index 2b2a7b8e93b0..35c3bde0d00a 100644 --- a/drivers/infiniband/sw/siw/siw_verbs.c +++ b/drivers/infiniband/sw/siw/siw_verbs.c @@ -1321,10 +1321,12 @@ int siw_dereg_mr(struct ib_mr *base_mr, struct ib_udata *udata) * @len: len of MR * @rnic_va: not used by siw * @rights: MR access rights + * @dmah: dma handle * @udata: user buffer to communicate STag and Key. */ struct ib_mr *siw_reg_user_mr(struct ib_pd *pd, u64 start, u64 len, - u64 rnic_va, int rights, struct ib_udata *udata) + u64 rnic_va, int rights, struct ib_dmah *dmah, + struct ib_udata *udata) { struct siw_mr *mr = NULL; struct siw_umem *umem = NULL; @@ -1336,6 +1338,9 @@ struct ib_mr *siw_reg_user_mr(struct ib_pd *pd, u64 start, u64 len, (void *)(uintptr_t)start, (void *)(uintptr_t)rnic_va, (unsigned long long)len); + if (dmah) + return ERR_PTR(-EOPNOTSUPP); + if (atomic_inc_return(&sdev->num_mr) > SIW_MAX_MR) { siw_dbg_pd(pd, "too many mr's\n"); rv = -ENOMEM; |