diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/dma/idxd/init.c | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c index aa3478257ddb..09cbf0c179ba 100644 --- a/drivers/dma/idxd/init.c +++ b/drivers/dma/idxd/init.c @@ -151,6 +151,12 @@ static int idxd_setup_wqs(struct idxd_device *idxd) if (!idxd->wqs) return -ENOMEM; + idxd->wq_enable_map = bitmap_zalloc_node(idxd->max_wqs, GFP_KERNEL, dev_to_node(dev)); + if (!idxd->wq_enable_map) { + kfree(idxd->wqs); + return -ENOMEM; + } + for (i = 0; i < idxd->max_wqs; i++) { wq = kzalloc_node(sizeof(*wq), GFP_KERNEL, dev_to_node(dev)); if (!wq) { @@ -177,7 +183,7 @@ static int idxd_setup_wqs(struct idxd_device *idxd) init_completion(&wq->wq_dead); init_completion(&wq->wq_resurrect); wq->max_xfer_bytes = WQ_DEFAULT_MAX_XFER; - wq->max_batch_size = WQ_DEFAULT_MAX_BATCH; + idxd_wq_set_max_batch_size(idxd->data->type, wq, WQ_DEFAULT_MAX_BATCH); wq->enqcmds_retries = IDXD_ENQCMDS_RETRIES; wq->wqcfg = kzalloc_node(idxd->wqcfg_size, GFP_KERNEL, dev_to_node(dev)); if (!wq->wqcfg) { @@ -185,6 +191,16 @@ static int idxd_setup_wqs(struct idxd_device *idxd) rc = -ENOMEM; goto err; } + + if (idxd->hw.wq_cap.op_config) { + wq->opcap_bmap = bitmap_zalloc(IDXD_MAX_OPCAP_BITS, GFP_KERNEL); + if (!wq->opcap_bmap) { + put_device(conf_dev); + rc = -ENOMEM; + goto err; + } + bitmap_copy(wq->opcap_bmap, idxd->opcap_bmap, IDXD_MAX_OPCAP_BITS); + } idxd->wqs[i] = wq; } @@ -369,6 +385,19 @@ static void idxd_read_table_offsets(struct idxd_device *idxd) dev_dbg(dev, "IDXD Perfmon Offset: %#x\n", idxd->perfmon_offset); } +static void multi_u64_to_bmap(unsigned long *bmap, u64 *val, int count) +{ + int i, j, nr; + + for (i = 0, nr = 0; i < count; i++) { + for (j = 0; j < BITS_PER_LONG_LONG; j++) { + if (val[i] & BIT(j)) + set_bit(nr, bmap); + nr++; + } + } +} + static void idxd_read_caps(struct idxd_device *idxd) { struct device *dev = &idxd->pdev->dev; @@ -389,7 +418,7 @@ static void idxd_read_caps(struct idxd_device *idxd) idxd->max_xfer_bytes = 1ULL << idxd->hw.gen_cap.max_xfer_shift; dev_dbg(dev, "max xfer size: %llu bytes\n", idxd->max_xfer_bytes); - idxd->max_batch_size = 1U << idxd->hw.gen_cap.max_batch_shift; + idxd_set_max_batch_size(idxd->data->type, idxd, 1U << idxd->hw.gen_cap.max_batch_shift); dev_dbg(dev, "max batch size: %u\n", idxd->max_batch_size); if (idxd->hw.gen_cap.config_en) set_bit(IDXD_FLAG_CONFIGURABLE, &idxd->flags); @@ -427,6 +456,7 @@ static void idxd_read_caps(struct idxd_device *idxd) IDXD_OPCAP_OFFSET + i * sizeof(u64)); dev_dbg(dev, "opcap[%d]: %#llx\n", i, idxd->hw.opcap.bits[i]); } + multi_u64_to_bmap(idxd->opcap_bmap, &idxd->hw.opcap.bits[0], 4); } static struct idxd_device *idxd_alloc(struct pci_dev *pdev, struct idxd_driver_data *data) @@ -448,6 +478,12 @@ static struct idxd_device *idxd_alloc(struct pci_dev *pdev, struct idxd_driver_d if (idxd->id < 0) return NULL; + idxd->opcap_bmap = bitmap_zalloc_node(IDXD_MAX_OPCAP_BITS, GFP_KERNEL, dev_to_node(dev)); + if (!idxd->opcap_bmap) { + ida_free(&idxd_ida, idxd->id); + return NULL; + } + device_initialize(conf_dev); conf_dev->parent = dev; conf_dev->bus = &dsa_bus_type; |