else if (!cs->submitted)
cs->fence->error = -EBUSY;
+ if (unlikely(cs->skip_reset_on_timeout)) {
+ dev_err(hdev->dev,
+ "Command submission %llu completed after %llu (s)\n",
+ cs->sequence,
+ div_u64(jiffies - cs->submission_time_jiffies, HZ));
+ }
+
if (cs->timestamp)
cs->fence->timestamp = ktime_get();
complete_all(&cs->fence->completion);
int rc;
struct hl_cs *cs = container_of(work, struct hl_cs,
work_tdr.work);
+ bool skip_reset_on_timeout = cs->skip_reset_on_timeout;
+
rc = cs_get_unless_zero(cs);
if (!rc)
return;
}
/* Mark the CS is timed out so we won't try to cancel its TDR */
- cs->timedout = true;
+ if (likely(!skip_reset_on_timeout))
+ cs->timedout = true;
hdev = cs->ctx->hdev;
cs_put(cs);
- if (hdev->reset_on_lockup)
- hl_device_reset(hdev, HL_RESET_TDR);
- else
- hdev->needs_reset = true;
+ if (likely(!skip_reset_on_timeout)) {
+ if (hdev->reset_on_lockup)
+ hl_device_reset(hdev, HL_RESET_TDR);
+ else
+ hdev->needs_reset = true;
+ }
}
static int allocate_cs(struct hl_device *hdev, struct hl_ctx *ctx,
cs->type = cs_type;
cs->timestamp = !!(flags & HL_CS_FLAGS_TIMESTAMP);
cs->timeout_jiffies = timeout;
+ cs->skip_reset_on_timeout =
+ !!(flags & HL_CS_FLAGS_SKIP_RESET_ON_TIMEOUT);
+ cs->submission_time_jiffies = jiffies;
INIT_LIST_HEAD(&cs->job_list);
INIT_DELAYED_WORK(&cs->work_tdr, cs_timedout);
kref_init(&cs->refcount);
* @staged_sequence: the sequence of the staged submission this CS is part of,
* relevant only if staged_cs is set.
* @timeout_jiffies: cs timeout in jiffies.
+ * @submission_time_jiffies: submission time of the cs
* @type: CS_TYPE_*.
* @submitted: true if CS was submitted to H/W.
* @completed: true if CS was completed by device.
* @staged_first: true if this is the first staged CS and we need to receive
* timeout for this CS.
* @staged_cs: true if this CS is part of a staged submission.
+ * @skip_reset_on_timeout: true if we shall not reset the device in case
+ * timeout occurs (debug scenario).
*/
struct hl_cs {
u16 *jobs_in_queue_cnt;
u64 sequence;
u64 staged_sequence;
u64 timeout_jiffies;
+ u64 submission_time_jiffies;
enum hl_cs_type type;
u8 submitted;
u8 completed;
u8 staged_last;
u8 staged_first;
u8 staged_cs;
+ u8 skip_reset_on_timeout;
};
/**