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→NVGPU_AS_IOCTL_MAP_BUFFER
=== NVGPU_AS_IOCTL_MAP_BUFFER ===
=== 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 {
struct {
u32 __flags; // in, 1 works
u32 __flags; // in, 1 works
u32 __reserved;
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
};
};
};