uint32_t filter_param)
{
int retval = 0;
+ struct mqd_manager *mqd_mgr;
if (!dqm->sched_running)
return 0;
return retval;
}
+ /* In the current MEC firmware implementation, if compute queue
+ * doesn't response to the preemption request in time, HIQ will
+ * abandon the unmap request without returning any timeout error
+ * to driver. Instead, MEC firmware will log the doorbell of the
+ * unresponding compute queue to HIQ.MQD.queue_doorbell_id fields.
+ * To make sure the queue unmap was successful, driver need to
+ * check those fields
+ */
+ mqd_mgr = dqm->mqd_mgrs[KFD_MQD_TYPE_HIQ];
+ if (mqd_mgr->read_doorbell_id(dqm->packets.priv_queue->queue->mqd)) {
+ pr_err("HIQ MQD's queue_doorbell_id0 is not 0, Queue preemption time out\n");
+ while (halt_if_hws_hang)
+ schedule();
+ return -ETIME;
+ }
+
pm_release_ib(&dqm->packets);
dqm->active_runlist = false;
#if defined(CONFIG_DEBUG_FS)
int (*debugfs_show_mqd)(struct seq_file *m, void *data);
#endif
+ uint32_t (*read_doorbell_id)(void *mqd);
struct mutex mqd_mutex;
struct kfd_dev *dev;
__update_mqd(mm, mqd, q, 1);
}
+static uint32_t read_doorbell_id(void *mqd)
+{
+ struct cik_mqd *m = (struct cik_mqd *)mqd;
+
+ return m->queue_doorbell_id0;
+}
+
static void update_mqd_hawaii(struct mqd_manager *mm, void *mqd,
struct queue_properties *q)
{
#if defined(CONFIG_DEBUG_FS)
mqd->debugfs_show_mqd = debugfs_show_mqd;
#endif
+ mqd->read_doorbell_id = read_doorbell_id;
break;
case KFD_MQD_TYPE_DIQ:
mqd->allocate_mqd = allocate_mqd;
q->is_active = QUEUE_IS_ACTIVE(*q);
}
+static uint32_t read_doorbell_id(void *mqd)
+{
+ struct v10_compute_mqd *m = (struct v10_compute_mqd *)mqd;
+
+ return m->queue_doorbell_id0;
+}
+
static int destroy_mqd(struct mqd_manager *mm, void *mqd,
enum kfd_preempt_type type,
unsigned int timeout, uint32_t pipe_id,
#if defined(CONFIG_DEBUG_FS)
mqd->debugfs_show_mqd = debugfs_show_mqd;
#endif
+ mqd->read_doorbell_id = read_doorbell_id;
pr_debug("%s@%i\n", __func__, __LINE__);
break;
case KFD_MQD_TYPE_DIQ:
}
+static uint32_t read_doorbell_id(void *mqd)
+{
+ struct v9_mqd *m = (struct v9_mqd *)mqd;
+
+ return m->queue_doorbell_id0;
+}
+
static int destroy_mqd(struct mqd_manager *mm, void *mqd,
enum kfd_preempt_type type,
unsigned int timeout, uint32_t pipe_id,
#if defined(CONFIG_DEBUG_FS)
mqd->debugfs_show_mqd = debugfs_show_mqd;
#endif
+ mqd->read_doorbell_id = read_doorbell_id;
break;
case KFD_MQD_TYPE_DIQ:
mqd->allocate_mqd = allocate_mqd;
__update_mqd(mm, mqd, q, MTYPE_CC, 1);
}
+static uint32_t read_doorbell_id(void *mqd)
+{
+ struct vi_mqd *m = (struct vi_mqd *)mqd;
+
+ return m->queue_doorbell_id0;
+}
+
static void update_mqd_tonga(struct mqd_manager *mm, void *mqd,
struct queue_properties *q)
{
#if defined(CONFIG_DEBUG_FS)
mqd->debugfs_show_mqd = debugfs_show_mqd;
#endif
+ mqd->read_doorbell_id = read_doorbell_id;
break;
case KFD_MQD_TYPE_DIQ:
mqd->allocate_mqd = allocate_mqd;
uint32_t reserved60;
uint32_t reserved61;
uint32_t reserved62;
- uint32_t reserved63;
- uint32_t reserved64;
- uint32_t reserved65;
- uint32_t reserved66;
- uint32_t reserved67;
- uint32_t reserved68;
- uint32_t reserved69;
- uint32_t reserved70;
- uint32_t reserved71;
- uint32_t reserved72;
- uint32_t reserved73;
- uint32_t reserved74;
- uint32_t reserved75;
- uint32_t reserved76;
- uint32_t reserved77;
- uint32_t reserved78;
+ uint32_t queue_doorbell_id0;
+ uint32_t queue_doorbell_id1;
+ uint32_t queue_doorbell_id2;
+ uint32_t queue_doorbell_id3;
+ uint32_t queue_doorbell_id4;
+ uint32_t queue_doorbell_id5;
+ uint32_t queue_doorbell_id6;
+ uint32_t queue_doorbell_id7;
+ uint32_t queue_doorbell_id8;
+ uint32_t queue_doorbell_id9;
+ uint32_t queue_doorbell_id10;
+ uint32_t queue_doorbell_id11;
+ uint32_t queue_doorbell_id12;
+ uint32_t queue_doorbell_id13;
+ uint32_t queue_doorbell_id14;
+ uint32_t queue_doorbell_id15;
uint32_t reserved_t[256];
};