declarations for mmap routines.
Signed-off-by: Bob Pearson <rpear...@systemfabricworks.com>
---
drivers/infiniband/hw/rxe/rxe_mmap.h | 63 +++++++++++++++++++++++++++++++++++
1 file changed, 63 insertions(+)
Index: infiniband/drivers/infiniband/hw/rxe/rxe_mmap.h
===================================================================
--- /dev/null
+++ infiniband/drivers/infiniband/hw/rxe/rxe_mmap.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2009-2011 Mellanox Technologies Ltd. All rights reserved.
+ * Copyright (c) 2009-2011 System Fabric Works, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef RXE_MMAP_H
+#define RXE_MMAP_H
+
+/* This info has to be copied to user space so that it can call mmap
+ * and get the right stuff mapped */
+struct mminfo {
+ __u64 offset;
+ __u32 size;
+ __u32 pad;
+};
+
+struct rxe_mmap_info {
+ struct list_head pending_mmaps;
+ struct ib_ucontext *context;
+ struct kref ref;
+ void *obj;
+
+ struct mminfo info;
+};
+
+void rxe_mmap_release(struct kref *ref);
+
+struct rxe_mmap_info *rxe_create_mmap_info(struct rxe_dev *dev,
+ u32 size,
+ struct ib_ucontext *context,
+ void *obj);
+
+int rxe_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
+
+#endif /* RXE_MMAP_H */
--
--
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