diff options
Diffstat (limited to 'drivers/dma/idxd/init.c')
| -rw-r--r-- | drivers/dma/idxd/init.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c index 2bdd1b34d50a..fb80803d5b57 100644 --- a/drivers/dma/idxd/init.c +++ b/drivers/dma/idxd/init.c @@ -222,6 +222,7 @@ static int idxd_setup_wqs(struct idxd_device *idxd) init_completion(&wq->wq_resurrect); wq->max_xfer_bytes = WQ_DEFAULT_MAX_XFER; idxd_wq_set_max_batch_size(idxd->data->type, wq, WQ_DEFAULT_MAX_BATCH); + idxd_wq_set_init_max_sgl_size(idxd, wq); wq->enqcmds_retries = IDXD_ENQCMDS_RETRIES; wq->wqcfg = kzalloc_node(idxd->wqcfg_size, GFP_KERNEL, dev_to_node(dev)); if (!wq->wqcfg) { @@ -590,6 +591,10 @@ static void idxd_read_caps(struct idxd_device *idxd) idxd->hw.dsacap1.bits = ioread64(idxd->reg_base + IDXD_DSACAP1_OFFSET); idxd->hw.dsacap2.bits = ioread64(idxd->reg_base + IDXD_DSACAP2_OFFSET); } + if (idxd_sgl_supported(idxd)) { + idxd->max_sgl_size = 1U << idxd->hw.dsacap0.max_sgl_shift; + dev_dbg(dev, "max sgl size: %u\n", idxd->max_sgl_size); + } /* read iaa cap */ if (idxd->data->type == IDXD_TYPE_IAX && idxd->hw.version >= DEVICE_VERSION_2) |