NV services: Difference between revisions

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 === NVGPU_AS_IOCTL_MAP_BUFFER ===
+Map a memory region in the device address space. Identical to Linux driver pretty much.
+On success, the mapped memory region is locked by having [[SVC#MemoryState]] bit34 set.
    struct {
-     u32 __flags;           // in, 1 works
+     u32 __flags;        // in, 1 works
      u32 __reserved;
-     u32 __nvmap_handle;    // in
+     u32 __nvmap_handle; // in
-     u32 __page_size;       // inout, 0 means don't care
+     u32 __page_size;    // inout, 0 means don't care
-     u64 __offset_or_align; // inout
+     union {
+      u64 __offset;     // out
+      u64 __align;      // in
+    };
    };