diff options
Diffstat (limited to 'drivers/dma/idxd/sysfs.c')
| -rw-r--r-- | drivers/dma/idxd/sysfs.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/dma/idxd/sysfs.c b/drivers/dma/idxd/sysfs.c index bdaccf9e0436..f30aad90537b 100644 --- a/drivers/dma/idxd/sysfs.c +++ b/drivers/dma/idxd/sysfs.c @@ -1233,6 +1233,14 @@ static bool idxd_wq_attr_op_config_invisible(struct attribute *attr, !idxd->hw.wq_cap.op_config; } +static bool idxd_wq_attr_max_batch_size_invisible(struct attribute *attr, + struct idxd_device *idxd) +{ + /* Intel IAA does not support batch processing, make it invisible */ + return attr == &dev_attr_wq_max_batch_size.attr && + idxd->data->type == IDXD_TYPE_IAX; +} + static umode_t idxd_wq_attr_visible(struct kobject *kobj, struct attribute *attr, int n) { @@ -1243,6 +1251,9 @@ static umode_t idxd_wq_attr_visible(struct kobject *kobj, if (idxd_wq_attr_op_config_invisible(attr, idxd)) return 0; + if (idxd_wq_attr_max_batch_size_invisible(attr, idxd)) + return 0; + return attr->mode; } @@ -1533,6 +1544,26 @@ static ssize_t cmd_status_store(struct device *dev, struct device_attribute *att } static DEVICE_ATTR_RW(cmd_status); +static bool idxd_device_attr_max_batch_size_invisible(struct attribute *attr, + struct idxd_device *idxd) +{ + /* Intel IAA does not support batch processing, make it invisible */ + return attr == &dev_attr_max_batch_size.attr && + idxd->data->type == IDXD_TYPE_IAX; +} + +static umode_t idxd_device_attr_visible(struct kobject *kobj, + struct attribute *attr, int n) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct idxd_device *idxd = confdev_to_idxd(dev); + + if (idxd_device_attr_max_batch_size_invisible(attr, idxd)) + return 0; + + return attr->mode; +} + static struct attribute *idxd_device_attributes[] = { &dev_attr_version.attr, &dev_attr_max_groups.attr, @@ -1560,6 +1591,7 @@ static struct attribute *idxd_device_attributes[] = { static const struct attribute_group idxd_device_attribute_group = { .attrs = idxd_device_attributes, + .is_visible = idxd_device_attr_visible, }; static const struct attribute_group *idxd_attribute_groups[] = { |