hc
2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c
kernel/drivers/infiniband/sw/rxe/rxe_cq.c
....@@ -1,34 +1,7 @@
1
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
12 /*
23 * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
34 * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved.
4
- *
5
- * This software is available to you under a choice of one of two
6
- * licenses. You may choose to be licensed under the terms of the GNU
7
- * General Public License (GPL) Version 2, available from the file
8
- * COPYING in the main directory of this source tree, or the
9
- * OpenIB.org BSD license below:
10
- *
11
- * Redistribution and use in source and binary forms, with or
12
- * without modification, are permitted provided that the following
13
- * conditions are met:
14
- *
15
- * - Redistributions of source code must retain the above
16
- * copyright notice, this list of conditions and the following
17
- * disclaimer.
18
- *
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- * - Redistributions in binary form must reproduce the above
20
- * copyright notice, this list of conditions and the following
21
- * disclaimer in the documentation and/or other materials
22
- * provided with the distribution.
23
- *
24
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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- * SOFTWARE.
325 */
336 #include <linux/vmalloc.h>
347 #include "rxe.h"
....@@ -66,9 +39,9 @@
6639 return -EINVAL;
6740 }
6841
69
-static void rxe_send_complete(unsigned long data)
42
+static void rxe_send_complete(struct tasklet_struct *t)
7043 {
71
- struct rxe_cq *cq = (struct rxe_cq *)data;
44
+ struct rxe_cq *cq = from_tasklet(cq, t, comp_task);
7245 unsigned long flags;
7346
7447 spin_lock_irqsave(&cq->cq_lock, flags);
....@@ -82,7 +55,7 @@
8255 }
8356
8457 int rxe_cq_from_init(struct rxe_dev *rxe, struct rxe_cq *cq, int cqe,
85
- int comp_vector, struct ib_ucontext *context,
58
+ int comp_vector, struct ib_udata *udata,
8659 struct rxe_create_cq_resp __user *uresp)
8760 {
8861 int err;
....@@ -94,7 +67,7 @@
9467 return -ENOMEM;
9568 }
9669
97
- err = do_mmap_info(rxe, uresp ? &uresp->mi : NULL, context,
70
+ err = do_mmap_info(rxe, uresp ? &uresp->mi : NULL, udata,
9871 cq->queue->buf, cq->queue->buf_size, &cq->queue->ip);
9972 if (err) {
10073 vfree(cq->queue->buf);
....@@ -107,7 +80,7 @@
10780
10881 cq->is_dying = false;
10982
110
- tasklet_init(&cq->comp_task, rxe_send_complete, (unsigned long)cq);
83
+ tasklet_setup(&cq->comp_task, rxe_send_complete);
11184
11285 spin_lock_init(&cq->cq_lock);
11386 cq->ibcq.cqe = cqe;
....@@ -115,13 +88,13 @@
11588 }
11689
11790 int rxe_cq_resize_queue(struct rxe_cq *cq, int cqe,
118
- struct rxe_resize_cq_resp __user *uresp)
91
+ struct rxe_resize_cq_resp __user *uresp,
92
+ struct ib_udata *udata)
11993 {
12094 int err;
12195
12296 err = rxe_queue_resize(cq->queue, (unsigned int *)&cqe,
123
- sizeof(struct rxe_cqe),
124
- cq->queue->ip ? cq->queue->ip->context : NULL,
97
+ sizeof(struct rxe_cqe), udata,
12598 uresp ? &uresp->mi : NULL, NULL, &cq->cq_lock);
12699 if (!err)
127100 cq->ibcq.cqe = cqe;