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habanalabs: expose soft reset sysfs nodes for inference ASIC

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As we allow soft-reset to be performed only on inference devices,
having the sysfs nodes may cause a confusion. Hence, we remove those
nodes on training ASICs.

Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Ofir Bitton 2021-12-12 17:46:21 +02:00 committed by Oded Gabbay
parent b5c92b8882
commit 9993f27de1
1 changed files with 30 additions and 2 deletions
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32
drivers/misc/habanalabs/common/sysfs.c
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@ -424,8 +424,6 @@ static struct attribute *hl_dev_attrs[] = {
&dev_attr_max_power.attr,
&dev_attr_pci_addr.attr,
&dev_attr_preboot_btl_ver.attr,
&dev_attr_soft_reset.attr,
&dev_attr_soft_reset_cnt.attr,
&dev_attr_status.attr,
&dev_attr_thermal_ver.attr,
&dev_attr_uboot_ver.attr,
@ -450,6 +448,21 @@ static const struct attribute_group *hl_dev_attr_groups[] = {
NULL,
};
static struct attribute *hl_dev_inference_attrs[] = {
&dev_attr_soft_reset.attr,
&dev_attr_soft_reset_cnt.attr,
NULL,
};
static struct attribute_group hl_dev_inference_attr_group = {
.attrs = hl_dev_inference_attrs,
};
static const struct attribute_group *hl_dev_inference_attr_groups[] = {
&hl_dev_inference_attr_group,
NULL,
};
int hl_sysfs_init(struct hl_device *hdev)
{
int rc;
@ -465,10 +478,25 @@ int hl_sysfs_init(struct hl_device *hdev)
return rc;
}
if (!hdev->allow_inference_soft_reset)
return 0;
rc = device_add_groups(hdev->dev, hl_dev_inference_attr_groups);
if (rc) {
dev_err(hdev->dev,
"Failed to add groups to device, error %d\n", rc);
return rc;
}
return 0;
}
void hl_sysfs_fini(struct hl_device *hdev)
{
device_remove_groups(hdev->dev, hl_dev_attr_groups);
if (!hdev->allow_inference_soft_reset)
return;
device_remove_groups(hdev->dev, hl_dev_inference_attr_groups);
}