2 * Copyright(c) 2015, 2016 Intel Corporation.
4 * This file is provided under a dual BSD/GPLv2 license. When using or
5 * redistributing this file, you may do so under either license.
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of version 2 of the GNU General Public License as
11 * published by the Free Software Foundation.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
24 * - Redistributions of source code must retain the above copyright
25 * notice, this list of conditions and the following disclaimer.
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27 * notice, this list of conditions and the following disclaimer in
28 * the documentation and/or other materials provided with the
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31 * contributors may be used to endorse or promote products derived
32 * from this software without specific prior written permission.
34 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
35 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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44 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
47 #include <linux/device.h>
48 #include <linux/wait.h>
52 #include "user_exp_rcv.h"
54 extern uint extended_psn
;
56 struct hfi1_user_sdma_pkt_q
{
57 struct list_head list
;
63 struct hfi1_devdata
*dd
;
64 struct kmem_cache
*txreq_cache
;
65 struct user_sdma_request
*reqs
;
68 wait_queue_head_t wait
;
69 unsigned long unpinned
;
70 struct rb_root sdma_rb_root
;
72 struct list_head evict
;
73 spinlock_t evict_lock
; /* protect evict and n_locked */
76 struct hfi1_user_sdma_comp_q
{
78 struct hfi1_sdma_comp_entry
*comps
;
81 int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata
*, struct file
*);
82 int hfi1_user_sdma_free_queues(struct hfi1_filedata
*);
83 int hfi1_user_sdma_process_request(struct file
*, struct iovec
*, unsigned long,
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