Adds the stub for the mmap verbs call.
Reviewed-by: Mike Marciniszyn <mike.marcinis...@intel.com>
Reviewed-by: Ira Weiny <ira.we...@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessan...@intel.com>
---
Changes since v1:
Change stubs to return EOPNOTSUPP
drivers/infiniband/sw/rdmavt/Makefile | 2 +
drivers/infiniband/sw/rdmavt/mmap.c | 60 +++++++++++++++++++++++++++++++++
drivers/infiniband/sw/rdmavt/mmap.h | 55 ++++++++++++++++++++++++++++++
drivers/infiniband/sw/rdmavt/vt.c | 1 +
drivers/infiniband/sw/rdmavt/vt.h | 1 +
5 files changed, 118 insertions(+), 1 deletions(-)
create mode 100644 drivers/infiniband/sw/rdmavt/mmap.c
create mode 100644 drivers/infiniband/sw/rdmavt/mmap.h
diff --git a/drivers/infiniband/sw/rdmavt/Makefile
b/drivers/infiniband/sw/rdmavt/Makefile
index fe65410..6f530d1 100644
--- a/drivers/infiniband/sw/rdmavt/Makefile
+++ b/drivers/infiniband/sw/rdmavt/Makefile
@@ -7,4 +7,4 @@
#
obj-$(CONFIG_INFINIBAND_RDMAVT) += rdmavt.o
-rdmavt-y := vt.o ah.o dma.o mad.o mcast.o mr.o pd.o qp.o srq.o
+rdmavt-y := vt.o ah.o dma.o mad.o mcast.o mmap.o mr.o pd.o qp.o srq.o
diff --git a/drivers/infiniband/sw/rdmavt/mmap.c
b/drivers/infiniband/sw/rdmavt/mmap.c
new file mode 100644
index 0000000..d09f3a0
--- /dev/null
+++ b/drivers/infiniband/sw/rdmavt/mmap.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright(c) 2015 Intel Corporation.
+ *
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * BSD LICENSE
+ *
+ * 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.
+ * - Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <linux/slab.h>
+#include "mmap.h"
+
+/**
+ * rvt_mmap - create a new mmap region
+ * @context: the IB user context of the process making the mmap() call
+ * @vma: the VMA to be initialized
+ * Return zero if the mmap is OK. Otherwise, return an errno.
+ */
+int rvt_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
+{
+ return -EOPNOTSUPP;
+}
diff --git a/drivers/infiniband/sw/rdmavt/mmap.h
b/drivers/infiniband/sw/rdmavt/mmap.h
new file mode 100644
index 0000000..94f6377
--- /dev/null
+++ b/drivers/infiniband/sw/rdmavt/mmap.h
@@ -0,0 +1,55 @@
+#ifndef DEF_RDMAVTMMAP_H
+#define DEF_RDMAVTMMAP_H
+
+/*
+ * Copyright(c) 2015 Intel Corporation.
+ *
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * BSD LICENSE
+ *
+ * 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.
+ * - Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <rdma/rdma_vt.h>
+
+int rvt_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
+
+#endif /* DEF_RDMAVTMMAP_H */
diff --git a/drivers/infiniband/sw/rdmavt/vt.c
b/drivers/infiniband/sw/rdmavt/vt.c
index 09e0865..a889ec4 100644
--- a/drivers/infiniband/sw/rdmavt/vt.c
+++ b/drivers/infiniband/sw/rdmavt/vt.c
@@ -252,6 +252,7 @@ int rvt_register_device(struct rvt_dev_info *rdi)
CHECK_DRIVER_OVERRIDE(rdi, map_phys_fmr);
CHECK_DRIVER_OVERRIDE(rdi, unmap_fmr);
CHECK_DRIVER_OVERRIDE(rdi, dealloc_fmr);
+ CHECK_DRIVER_OVERRIDE(rdi, mmap);
/* DMA Operations */
rdi->ibdev.dma_ops =
diff --git a/drivers/infiniband/sw/rdmavt/vt.h
b/drivers/infiniband/sw/rdmavt/vt.h
index 02e1212..6a5f5bf 100644
--- a/drivers/infiniband/sw/rdmavt/vt.h
+++ b/drivers/infiniband/sw/rdmavt/vt.h
@@ -56,5 +56,6 @@
#include "mr.h"
#include "srq.h"
#include "mcast.h"
+#include "mmap.h"
#endif /* DEF_RDMAVT_H */
--
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