Messages in this thread Patch in this message | | | From | Oded Gabbay <> | Subject | [PATCH 04/17] habanalabs/gaudi: send device reset notification | Date | Mon, 20 Jun 2022 16:04:19 +0300 |
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From: Tal Cohen <talcohen@habana.ai>
Device reset event, indicates that the device shall be reset - after a short delay. In such case, the driver sends a notification towards the User process. This allows the User process to be able to take several debug actions for system diagnostic purposes.
Signed-off-by: Tal Cohen <talcohen@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org> --- drivers/misc/habanalabs/gaudi/gaudi.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index 8f37297b2c3b..b7460c30aa51 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -8054,13 +8054,20 @@ static void gaudi_handle_eqe(struct hl_device *hdev, reset_device: reset_required = true; - if (hdev->asic_prop.fw_security_enabled && !reset_direct) + if (hdev->asic_prop.fw_security_enabled && !reset_direct) { flags = HL_DRV_RESET_HARD | HL_DRV_RESET_BYPASS_REQ_TO_FW | fw_fatal_err_flag; - else if (hdev->hard_reset_on_fw_events) + event_mask |= HL_NOTIFIER_EVENT_DEVICE_RESET; + } else if (hdev->hard_reset_on_fw_events) { flags = HL_DRV_RESET_HARD | HL_DRV_RESET_DELAY | fw_fatal_err_flag; - else + event_mask |= HL_NOTIFIER_EVENT_DEVICE_RESET; + } else { reset_required = false; + } + /* despite reset doesn't execute. a notification on + * occurred event needs to be sent here + */ + hl_notifier_event_send_all(hdev, event_mask); if (reset_required) hl_device_reset(hdev, flags); else -- 2.25.1
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