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path: root/drivers/infiniband/sw/rdmavt/pd.c
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Diffstat (limited to 'drivers/infiniband/sw/rdmavt/pd.c')
-rw-r--r--drivers/infiniband/sw/rdmavt/pd.c73
1 files changed, 9 insertions, 64 deletions
diff --git a/drivers/infiniband/sw/rdmavt/pd.c b/drivers/infiniband/sw/rdmavt/pd.c
index 8a89afff3363..3af8081dc6c7 100644
--- a/drivers/infiniband/sw/rdmavt/pd.c
+++ b/drivers/infiniband/sw/rdmavt/pd.c
@@ -1,48 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
* Copyright(c) 2016 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>
@@ -50,27 +8,20 @@
/**
* rvt_alloc_pd - allocate a protection domain
- * @ibdev: ib device
- * @context: optional user context
+ * @ibpd: PD
* @udata: optional user data
*
* Allocate and keep track of a PD.
*
* Return: 0 on success
*/
-struct ib_pd *rvt_alloc_pd(struct ib_device *ibdev,
- struct ib_ucontext *context,
- struct ib_udata *udata)
+int rvt_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
+ struct ib_device *ibdev = ibpd->device;
struct rvt_dev_info *dev = ib_to_rvt(ibdev);
- struct rvt_pd *pd;
- struct ib_pd *ret;
+ struct rvt_pd *pd = ibpd_to_rvtpd(ibpd);
+ int ret = 0;
- pd = kmalloc(sizeof(*pd), GFP_KERNEL);
- if (!pd) {
- ret = ERR_PTR(-ENOMEM);
- goto bail;
- }
/*
* While we could continue allocating protecetion domains, being
* constrained only by system resources. The IBTA spec defines that
@@ -81,8 +32,7 @@ struct ib_pd *rvt_alloc_pd(struct ib_device *ibdev,
spin_lock(&dev->n_pds_lock);
if (dev->n_pds_allocated == dev->dparms.props.max_pd) {
spin_unlock(&dev->n_pds_lock);
- kfree(pd);
- ret = ERR_PTR(-ENOMEM);
+ ret = -ENOMEM;
goto bail;
}
@@ -92,8 +42,6 @@ struct ib_pd *rvt_alloc_pd(struct ib_device *ibdev,
/* ib_alloc_pd() will initialize pd->ibpd. */
pd->user = !!udata;
- ret = &pd->ibpd;
-
bail:
return ret;
}
@@ -101,19 +49,16 @@ bail:
/**
* rvt_dealloc_pd - Free PD
* @ibpd: Free up PD
+ * @udata: Valid user data or NULL for kernel object
*
* Return: always 0
*/
-int rvt_dealloc_pd(struct ib_pd *ibpd)
+int rvt_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
- struct rvt_pd *pd = ibpd_to_rvtpd(ibpd);
struct rvt_dev_info *dev = ib_to_rvt(ibpd->device);
spin_lock(&dev->n_pds_lock);
dev->n_pds_allocated--;
spin_unlock(&dev->n_pds_lock);
-
- kfree(pd);
-
return 0;
}