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
idxd_load_iaa_device_defaults(struct idxd_device * idxd)6 int 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 memset(wq->name, 0, WQ_NAME_SIZE + 1);
40 strscpy(wq->name, "iaa_crypto", WQ_NAME_SIZE + 1);
41
42 /* set driver_name to "crypto" */
43 memset(wq->driver_name, 0, DRIVER_NAME_SIZE + 1);
44 strscpy(wq->driver_name, "crypto", DRIVER_NAME_SIZE + 1);
45
46 engine = idxd->engines[0];
47
48 /* set engine group to 0 */
49 engine->group = idxd->groups[0];
50 engine->group->num_engines++;
51
52 return 0;
53 }
54