Enable ib_dev.mmap function

Removed the ifdef linux from this function.
Added stub function for contiguous pages to avoid compilation
errors.

Submitted by:	Orit Moskovich (oritm mellanox.com)
Approved by:	re

1 files changed, 28 insertions, 0 deletions

diff --git a/sys/ofed/include/rdma/ib_umem.h b/sys/ofed/include/rdma/ib_umem.h
index afa09f9337f4..8cdaa5abbb67 100644
--- a/sys/ofed/include/rdma/ib_umem.h
+++ b/sys/ofed/include/rdma/ib_umem.h
@@ -57,6 +57,24 @@ struct ib_umem {
 	unsigned long		diff;
 };
 
+struct ib_cmem {
+
+        struct ib_ucontext     *context;
+        size_t                  length;
+        /* Link list of contiguous blocks being part of that cmem  */
+        struct list_head ib_cmem_block;
+
+        /* Order of cmem block,  2^ block_order will equal number
+             of physical pages per block
+        */
+        unsigned long    block_order;
+        /* Refernce counter for that memory area
+          - When value became 0 pages will be returned to the kernel.
+        */
+        struct kref refcount;
+};
+
+
 struct ib_umem_chunk {
 	struct list_head	list;
 	int                     nents;
@@ -70,4 +88,14 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
 void ib_umem_release(struct ib_umem *umem);
 int ib_umem_page_count(struct ib_umem *umem);
 
+int ib_cmem_map_contiguous_pages_to_vma(struct ib_cmem *ib_cmem,
+        struct vm_area_struct *vma);
+struct ib_cmem *ib_cmem_alloc_contiguous_pages(struct ib_ucontext *context,
+                                unsigned long total_size,
+                                unsigned long page_size_order);
+void ib_cmem_release_contiguous_pages(struct ib_cmem *cmem);
+int ib_umem_map_to_vma(struct ib_umem *umem,
+                                struct vm_area_struct *vma);
+
+
 #endif /* IB_UMEM_H */