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 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