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path: root/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h
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Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h
index 57bf5e513f4d..e5cc697a3ca8 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h
@@ -128,6 +128,31 @@ struct mqd_manager {
uint32_t mqd_size;
};
+struct mqd_user_context_save_area_header {
+ /* Byte offset from start of user context
+ * save area to the last saved top (lowest
+ * address) of control stack data. Must be
+ * 4 byte aligned.
+ */
+ uint32_t control_stack_offset;
+
+ /* Byte size of the last saved control stack
+ * data. Must be 4 byte aligned.
+ */
+ uint32_t control_stack_size;
+
+ /* Byte offset from start of user context save
+ * area to the last saved base (lowest address)
+ * of wave state data. Must be 4 byte aligned.
+ */
+ uint32_t wave_state_offset;
+
+ /* Byte size of the last saved wave state data.
+ * Must be 4 byte aligned.
+ */
+ uint32_t wave_state_size;
+};
+
struct kfd_mem_obj *allocate_hiq_mqd(struct kfd_node *dev,
struct queue_properties *q);