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;
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)
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;
struct device_attribute *attr, char *buf)
{
struct idxd_device *idxd = confdev_to_idxd(dev);
- int i, rc = 0;
-
- for (i = 0; i < 4; i++)
- rc += sysfs_emit_at(buf, rc, "%#llx ", idxd->hw.opcap.bits[i]);
- rc--;
- rc += sysfs_emit_at(buf, rc, "\n");
- return rc;
+ return sysfs_emit(buf, "%*pb\n", IDXD_MAX_OPCAP_BITS, idxd->opcap_bmap);
}
static DEVICE_ATTR_RO(op_cap);
kfree(idxd->wqs);
kfree(idxd->engines);
ida_free(&idxd_ida, idxd->id);
+ bitmap_free(idxd->opcap_bmap);
kfree(idxd);
}