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+ __inout u32 page_size; // 0 means don't care+ __out u64 offset;+ __in u64 align;+ };+Modifies a memory region in the device address space.+
+
+ struct {+ __in u32 kind; // -1 is default+ __inout u32 page_size; // 0 means don't care+ __inout u64 offset;+
| 0x40284109 || In || 40 || [[#NVGPU_AS_IOCTL_ALLOC_AS_EX]]
| 0x40284109 || In || 40 || [[#NVGPU_AS_IOCTL_ALLOC_AS_EX]]
|-
|-
−| 0xC038410A || Inout || 56 || [[#NVGPU_AS_IOCTL_MODIFY]]
+| 0xC038410A || Inout || 56 || [[#NVGPU_AS_IOCTL_MAP_BUFFER_EX2]]
|-
|-
| 0xC0??4114 || Inout || Variable || [[#NVGPU_AS_IOCTL_REMAP]]
| 0xC0??4114 || Inout || Variable || [[#NVGPU_AS_IOCTL_REMAP]]
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=== NVGPU_AS_IOCTL_MAP_BUFFER ===
=== NVGPU_AS_IOCTL_MAP_BUFFER ===
−Maps a memory region in the device address space. Identical to Linux driver pretty much.
+Maps a memory region in the device address space.
+Unaligned size will cause a [[#Panic]].
On success, the mapped memory region is granted the [[SVC#MemoryAttribute|DeviceShared]] attribute.
On success, the mapped memory region is granted the [[SVC#MemoryAttribute|DeviceShared]] attribute.
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__in u32 flags; // bit0: fixed_offset, bit2: cacheable
__in u32 flags; // bit0: fixed_offset, bit2: cacheable
__inout u32 kind; // -1 is default
__inout u32 kind; // -1 is default
− __in u32 dmabuf_fd; // nvmap handle
+ __in u32 mem_id; // nvmap handle
− u32 reserved;
__in u64 buffer_offset;
__in u64 buffer_offset;
__in u64 mapping_size;
__in u64 mapping_size;
union {
union {
− __out u64 offset;
− __in u64 align;
− };
};
};
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};
};
−=== NVGPU_AS_IOCTL_MODIFY ===
+=== NVGPU_AS_IOCTL_MAP_BUFFER_EX2 ===
−Maps a memory region in the device address space with extra params.
+Unaligned size will cause a [[#Panic]].
+On success, the mapped memory region is granted the [[SVC#MemoryAttribute|DeviceShared]] attribute.
− struct {
__in u32 flags; // bit0: fixed_offset, bit2: cacheable
__in u32 flags; // bit0: fixed_offset, bit2: cacheable
− __inout u32 kind; // -1 is default
− __in u32 dmabuf_fd; // nvmap handle
+ __in u32 mem_id; // nvmap handle
− u32 reserved0;
__in u64 buffer_offset;
__in u64 buffer_offset;
__in u64 mapping_size;
__in u64 mapping_size;
− union {
− __in u64 unk0;
+ __out u64 offset;
− __in u32 unk1;
+ __in u64 align;
− u32 reserved;
+ };
+ __in u64 vma_addr;
+ __in u32 pages;
+ u32 reserved1;
};
};
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struct remap_op {
struct remap_op {
− __in u16 flags; // bit2: cacheable
+ __in u16 flags; // bit2: cacheable
__in u16 kind;
__in u16 kind;
__in u32 mem_handle;
__in u32 mem_handle;
− __in u32 mem_offset_in_big_pages;
+ __in u32 mem_offset_in_pages;
− __in u32 virt_offset_in_big_pages; // (alloc_space_offset >> 0x10)
+ __in u32 virt_offset_in_pages; // (alloc_space_offset >> 0x10)
− __in u32 num_pages; // alloc_space_pages
+ __in u32 num_pages; // alloc_space_pages
};
};