diff options
| -rw-r--r-- | drivers/misc/habanalabs/common/device.c | 22 | ||||
| -rw-r--r-- | drivers/misc/habanalabs/common/habanalabs.h | 2 | ||||
| -rw-r--r-- | drivers/misc/habanalabs/common/habanalabs_drv.c | 4 |
3 files changed, 26 insertions, 2 deletions
diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c index 233d8b46c831..1aaaa2004e34 100644 --- a/drivers/misc/habanalabs/common/device.c +++ b/drivers/misc/habanalabs/common/device.c @@ -355,6 +355,28 @@ bool hl_device_operational(struct hl_device *hdev, } } +bool hl_ctrl_device_operational(struct hl_device *hdev, + enum hl_device_status *status) +{ + enum hl_device_status current_status; + + current_status = hl_device_status(hdev); + if (status) + *status = current_status; + + switch (current_status) { + case HL_DEVICE_STATUS_MALFUNCTION: + return false; + case HL_DEVICE_STATUS_IN_RESET: + case HL_DEVICE_STATUS_IN_RESET_AFTER_DEVICE_RELEASE: + case HL_DEVICE_STATUS_NEEDS_RESET: + case HL_DEVICE_STATUS_OPERATIONAL: + case HL_DEVICE_STATUS_IN_DEVICE_CREATION: + default: + return true; + } +} + static void hpriv_release(struct kref *ref) { u64 idle_mask[HL_BUSY_ENGINES_MASK_EXT_SIZE] = {0}; diff --git a/drivers/misc/habanalabs/common/habanalabs.h b/drivers/misc/habanalabs/common/habanalabs.h index 58c95b13be69..2ffb8378f565 100644 --- a/drivers/misc/habanalabs/common/habanalabs.h +++ b/drivers/misc/habanalabs/common/habanalabs.h @@ -3496,6 +3496,8 @@ int hl_device_open(struct inode *inode, struct file *filp); int hl_device_open_ctrl(struct inode *inode, struct file *filp); bool hl_device_operational(struct hl_device *hdev, enum hl_device_status *status); +bool hl_ctrl_device_operational(struct hl_device *hdev, + enum hl_device_status *status); enum hl_device_status hl_device_status(struct hl_device *hdev); int hl_device_set_debug_mode(struct hl_device *hdev, struct hl_ctx *ctx, bool enable); int hl_hw_queues_create(struct hl_device *hdev); diff --git a/drivers/misc/habanalabs/common/habanalabs_drv.c b/drivers/misc/habanalabs/common/habanalabs_drv.c index 112632afe7d5..3ee44ea58d5c 100644 --- a/drivers/misc/habanalabs/common/habanalabs_drv.c +++ b/drivers/misc/habanalabs/common/habanalabs_drv.c @@ -270,9 +270,9 @@ int hl_device_open_ctrl(struct inode *inode, struct file *filp) mutex_lock(&hdev->fpriv_ctrl_list_lock); - if (!hl_device_operational(hdev, NULL)) { + if (!hl_ctrl_device_operational(hdev, NULL)) { dev_dbg_ratelimited(hdev->dev_ctrl, - "Can't open %s because it is disabled or in reset\n", + "Can't open %s because it is disabled\n", dev_name(hdev->dev_ctrl)); rc = -EPERM; goto out_err; |