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path: root/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
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Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
index 00da3169a004..70e38a2e23b9 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
@@ -33,7 +33,6 @@
#define KFD_UNMAP_LATENCY_MS (4000)
#define QUEUE_PREEMPT_DEFAULT_TIMEOUT_MS (2 * KFD_UNMAP_LATENCY_MS + 1000)
-#define KFD_SDMA_QUEUES_PER_ENGINE (2)
struct device_process_node {
struct qcm_process_device *qpd;
@@ -82,6 +81,8 @@ struct device_process_node {
*
* @restore_process_queues: Restore all evicted queues queues of a process
*
+ * @get_wave_state: Retrieves context save state and optionally copies the
+ * control stack, if kept in the MQD, to the given userspace address.
*/
struct device_queue_manager_ops {
@@ -137,6 +138,12 @@ struct device_queue_manager_ops {
struct qcm_process_device *qpd);
int (*restore_process_queues)(struct device_queue_manager *dqm,
struct qcm_process_device *qpd);
+
+ int (*get_wave_state)(struct device_queue_manager *dqm,
+ struct queue *q,
+ void __user *ctl_stack,
+ u32 *ctl_stack_used_size,
+ u32 *save_area_used_size);
};
struct device_queue_manager_asic_ops {