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path: root/drivers/misc/habanalabs/common/irq.c
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Diffstat (limited to 'drivers/misc/habanalabs/common/irq.c')
-rw-r--r--drivers/misc/habanalabs/common/irq.c58
1 files changed, 57 insertions, 1 deletions
diff --git a/drivers/misc/habanalabs/common/irq.c b/drivers/misc/habanalabs/common/irq.c
index de53fb5f978a..27129868c711 100644
--- a/drivers/misc/habanalabs/common/irq.c
+++ b/drivers/misc/habanalabs/common/irq.c
@@ -47,7 +47,7 @@ inline u32 hl_cq_inc_ptr(u32 ptr)
* Increment ptr by 1. If it reaches the number of event queue
* entries, set it to 0
*/
-inline u32 hl_eq_inc_ptr(u32 ptr)
+static inline u32 hl_eq_inc_ptr(u32 ptr)
{
ptr++;
if (unlikely(ptr == HL_EQ_LENGTH))
@@ -137,6 +137,62 @@ irqreturn_t hl_irq_handler_cq(int irq, void *arg)
return IRQ_HANDLED;
}
+static void handle_user_cq(struct hl_device *hdev,
+ struct hl_user_interrupt *user_cq)
+{
+ struct hl_user_pending_interrupt *pend;
+
+ spin_lock(&user_cq->wait_list_lock);
+ list_for_each_entry(pend, &user_cq->wait_list_head, wait_list_node)
+ complete_all(&pend->fence.completion);
+ spin_unlock(&user_cq->wait_list_lock);
+}
+
+/**
+ * hl_irq_handler_user_cq - irq handler for user completion queues
+ *
+ * @irq: irq number
+ * @arg: pointer to user interrupt structure
+ *
+ */
+irqreturn_t hl_irq_handler_user_cq(int irq, void *arg)
+{
+ struct hl_user_interrupt *user_cq = arg;
+ struct hl_device *hdev = user_cq->hdev;
+
+ dev_dbg(hdev->dev,
+ "got user completion interrupt id %u",
+ user_cq->interrupt_id);
+
+ /* Handle user cq interrupts registered on all interrupts */
+ handle_user_cq(hdev, &hdev->common_user_interrupt);
+
+ /* Handle user cq interrupts registered on this specific interrupt */
+ handle_user_cq(hdev, user_cq);
+
+ return IRQ_HANDLED;
+}
+
+/**
+ * hl_irq_handler_default - default irq handler
+ *
+ * @irq: irq number
+ * @arg: pointer to user interrupt structure
+ *
+ */
+irqreturn_t hl_irq_handler_default(int irq, void *arg)
+{
+ struct hl_user_interrupt *user_interrupt = arg;
+ struct hl_device *hdev = user_interrupt->hdev;
+ u32 interrupt_id = user_interrupt->interrupt_id;
+
+ dev_err(hdev->dev,
+ "got invalid user interrupt %u",
+ interrupt_id);
+
+ return IRQ_HANDLED;
+}
+
/**
* hl_irq_handler_eq - irq handler for event queue
*