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authorDafna Hirschfeld <dhirschfeld@habana.ai>2023-06-25 14:11:05 +0300
committerOded Gabbay <ogabbay@kernel.org>2023-10-09 12:37:21 +0300
commitab574f6a81dd7f4371e573e66fbd6f236ca0fd38 (patch)
treeff238301d8415a182dc7c5548c9b41bf38c8e52b /drivers/accel
parent2b76129c5ae710423cfb55806803341af6a403a7 (diff)
accel/habanalabs: disable events ioctls on control device
Because it is not used and also, for graceful reset to work those ioctls should run on the compute device. Signed-off-by: Dafna Hirschfeld <dhirschfeld@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/accel')
-rw-r--r--drivers/accel/habanalabs/common/device.c13
-rw-r--r--drivers/accel/habanalabs/common/habanalabs_drv.c1
-rw-r--r--drivers/accel/habanalabs/common/habanalabs_ioctl.c11
3 files changed, 11 insertions, 14 deletions
diff --git a/drivers/accel/habanalabs/common/device.c b/drivers/accel/habanalabs/common/device.c
index c0c9e9504672..d9531e434f60 100644
--- a/drivers/accel/habanalabs/common/device.c
+++ b/drivers/accel/habanalabs/common/device.c
@@ -572,11 +572,6 @@ static int hl_device_release_ctrl(struct inode *inode, struct file *filp)
list_del(&hpriv->dev_node);
mutex_unlock(&hdev->fpriv_ctrl_list_lock);
out:
- /* release the eventfd */
- if (hpriv->notifier_event.eventfd)
- eventfd_ctx_put(hpriv->notifier_event.eventfd);
-
- mutex_destroy(&hpriv->notifier_event.lock);
put_pid(hpriv->taskpid);
kfree(hpriv);
@@ -1995,14 +1990,6 @@ void hl_notifier_event_send_all(struct hl_device *hdev, u64 event_mask)
hl_notifier_event_send(&hpriv->notifier_event, event_mask);
mutex_unlock(&hdev->fpriv_list_lock);
-
- /* control device */
- mutex_lock(&hdev->fpriv_ctrl_list_lock);
-
- list_for_each_entry(hpriv, &hdev->fpriv_ctrl_list, dev_node)
- hl_notifier_event_send(&hpriv->notifier_event, event_mask);
-
- mutex_unlock(&hdev->fpriv_ctrl_list_lock);
}
/*
diff --git a/drivers/accel/habanalabs/common/habanalabs_drv.c b/drivers/accel/habanalabs/common/habanalabs_drv.c
index 5db9af7e2daf..306a5bc9bf89 100644
--- a/drivers/accel/habanalabs/common/habanalabs_drv.c
+++ b/drivers/accel/habanalabs/common/habanalabs_drv.c
@@ -296,7 +296,6 @@ int hl_device_open_ctrl(struct inode *inode, struct file *filp)
hpriv->hdev = hdev;
filp->private_data = hpriv;
- mutex_init(&hpriv->notifier_event.lock);
nonseekable_open(inode, filp);
hpriv->taskpid = get_task_pid(current, PIDTYPE_PID);
diff --git a/drivers/accel/habanalabs/common/habanalabs_ioctl.c b/drivers/accel/habanalabs/common/habanalabs_ioctl.c
index 87a6a0c0c48a..8c3f1e2de2fe 100644
--- a/drivers/accel/habanalabs/common/habanalabs_ioctl.c
+++ b/drivers/accel/habanalabs/common/habanalabs_ioctl.c
@@ -1104,6 +1104,17 @@ int hl_info_ioctl(struct drm_device *ddev, void *data, struct drm_file *file_pri
static int hl_info_ioctl_control(struct hl_fpriv *hpriv, void *data)
{
+ struct hl_info_args *args = data;
+
+ switch (args->op) {
+ case HL_INFO_GET_EVENTS:
+ case HL_INFO_UNREGISTER_EVENTFD:
+ case HL_INFO_REGISTER_EVENTFD:
+ return -EOPNOTSUPP;
+ default:
+ break;
+ }
+
return _hl_info_ioctl(hpriv, data, hpriv->hdev->dev_ctrl);
}