tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 2023 Intel Corporation. All rights rsvd. */
3#include <linux/kernel.h>
4#include "idxd.h"
5
6int idxd_load_iaa_device_defaults(struct idxd_device *idxd)
7{
8 struct idxd_engine *engine;
9 struct idxd_group *group;
10 struct idxd_wq *wq;
11
12 if (!test_bit(IDXD_FLAG_CONFIGURABLE, &idxd->flags))
13 return 0;
14
15 wq = idxd->wqs[0];
16
17 if (wq->state != IDXD_WQ_DISABLED)
18 return -EPERM;
19
20 /* set mode to "dedicated" */
21 set_bit(WQ_FLAG_DEDICATED, &wq->flags);
22 wq->threshold = 0;
23
24 /* only setting up 1 wq, so give it all the wq space */
25 wq->size = idxd->max_wq_size;
26
27 /* set priority to 10 */
28 wq->priority = 10;
29
30 /* set type to "kernel" */
31 wq->type = IDXD_WQT_KERNEL;
32
33 /* set wq group to 0 */
34 group = idxd->groups[0];
35 wq->group = group;
36 group->num_wqs++;
37
38 /* set name to "iaa_crypto" */
39 strscpy_pad(wq->name, "iaa_crypto");
40
41 /* set driver_name to "crypto" */
42 strscpy_pad(wq->driver_name, "crypto");
43
44 engine = idxd->engines[0];
45
46 /* set engine group to 0 */
47 engine->group = idxd->groups[0];
48 engine->group->num_engines++;
49
50 return 0;
51}