From 50ba0232fd5312410f1b65247e774244f89a628e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 18 May 2024 20:50:36 +0200 Subject: Merging upstream version 6.8.9. Signed-off-by: Daniel Baumann --- drivers/dma/idxd/defaults.c | 53 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 drivers/dma/idxd/defaults.c (limited to 'drivers/dma/idxd/defaults.c') diff --git a/drivers/dma/idxd/defaults.c b/drivers/dma/idxd/defaults.c new file mode 100644 index 0000000000..c607ae8dd1 --- /dev/null +++ b/drivers/dma/idxd/defaults.c @@ -0,0 +1,53 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 2023 Intel Corporation. All rights rsvd. */ +#include +#include "idxd.h" + +int idxd_load_iaa_device_defaults(struct idxd_device *idxd) +{ + struct idxd_engine *engine; + struct idxd_group *group; + struct idxd_wq *wq; + + if (!test_bit(IDXD_FLAG_CONFIGURABLE, &idxd->flags)) + return 0; + + wq = idxd->wqs[0]; + + if (wq->state != IDXD_WQ_DISABLED) + return -EPERM; + + /* set mode to "dedicated" */ + set_bit(WQ_FLAG_DEDICATED, &wq->flags); + wq->threshold = 0; + + /* only setting up 1 wq, so give it all the wq space */ + wq->size = idxd->max_wq_size; + + /* set priority to 10 */ + wq->priority = 10; + + /* set type to "kernel" */ + wq->type = IDXD_WQT_KERNEL; + + /* set wq group to 0 */ + group = idxd->groups[0]; + wq->group = group; + group->num_wqs++; + + /* set name to "iaa_crypto" */ + memset(wq->name, 0, WQ_NAME_SIZE + 1); + strscpy(wq->name, "iaa_crypto", WQ_NAME_SIZE + 1); + + /* set driver_name to "crypto" */ + memset(wq->driver_name, 0, DRIVER_NAME_SIZE + 1); + strscpy(wq->driver_name, "crypto", DRIVER_NAME_SIZE + 1); + + engine = idxd->engines[0]; + + /* set engine group to 0 */ + engine->group = idxd->groups[0]; + engine->group->num_engines++; + + return 0; +} -- cgit v1.2.3