NV services: Difference between revisions

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@@ Line 1,767: / Line 1,767: @@
 | 0xC010471E || Inout || 16 || [S2] [[#NVGPU_GPU_IOCTL_SET_DETERMINISTIC_OPTS|NVGPU_GPU_IOCTL_SET_DETERMINISTIC_OPTS]]
 |-
-| 0xC010471F || Inout || 16 || [S2]
+| 0xC010471F || Inout || 16 || [S2] [[#NVGPU_GPU_IOCTL_GET_ENGINE_INFO|NVGPU_GPU_IOCTL_GET_ENGINE_INFO]]
 |}
@@ Line 2,124: / Line 2,124: @@
    struct in_buf2 {
-     __in u32 channels[];
+     __in u32 channels[num_channels];
    };
    struct out_buf {
      __out struct deterministic_opts opts;
+  };
+=== NVGPU_GPU_IOCTL_GET_ENGINE_INFO ===
+Returns information on graphics engines.
+Uses [[#Ioctl3|Ioctl3]].
+  struct engine_info {
+    __inout u32 engine_info_buf_size;
+    __in u32 reserved;
+    __in u64 engine_info_buf_addr;                    // ignored
+  };
+  struct engine_info_item {
+    __out u32 engine_id;
+    __out u32 engine_instance;
+    __out s32 runlist_id;
+    __out u32 reserved;
+  };
+  struct in_buf {
+    __in struct engine_info info;
+  };
+  struct out_buf {
+    __out struct engine_info info;
+  };
+  struct out_buf2 {
+    __out struct engine_info_item items[engine_info_buf_size];
    };