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authorArtemy Kovalyov <artemyko@mellanox.com>2017-04-05 09:23:57 +0300
committerDoug Ledford <dledford@redhat.com>2017-04-25 15:40:28 -0400
commit0008b84ea9afe6ec255c09044e8090cb76babc80 (patch)
tree15028043fcea6ff1aed3a90e342ef89f6a61cf45 /include/rdma/ib_umem_odp.h
parentb2ac91885b9f137fd7ed35593a72bcee9e049ba8 (diff)
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IB/umem: Add support to huge ODP
Add IB_ACCESS_HUGETLB ib_reg_mr flag. Hugetlb region registered with this flag will use single translation entry per huge page. Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/rdma/ib_umem_odp.h')
-rw-r--r--include/rdma/ib_umem_odp.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/rdma/ib_umem_odp.h b/include/rdma/ib_umem_odp.h
index 542cd8b3414c..fb67554aabd6 100644
--- a/include/rdma/ib_umem_odp.h
+++ b/include/rdma/ib_umem_odp.h
@@ -84,7 +84,8 @@ struct ib_umem_odp {
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
-int ib_umem_odp_get(struct ib_ucontext *context, struct ib_umem *umem);
+int ib_umem_odp_get(struct ib_ucontext *context, struct ib_umem *umem,
+ int access);
struct ib_umem *ib_alloc_odp_umem(struct ib_ucontext *context,
unsigned long addr,
size_t size);
@@ -154,7 +155,8 @@ static inline int ib_umem_mmu_notifier_retry(struct ib_umem *item,
#else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */
static inline int ib_umem_odp_get(struct ib_ucontext *context,
- struct ib_umem *umem)
+ struct ib_umem *umem,
+ int access)
{
return -EINVAL;
}