1COPY_TO_USER_FROMIO(9) Management of Cards and Device COPY_TO_USER_FROMIO(9)
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6 copy_to_user_fromio - copy data from mmio-space to user-space
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9 int copy_to_user_fromio(void __user * dst,
10 const volatile void __iomem * src,
11 size_t count);
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14 dst
15 the destination pointer on user-space
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17 src
18 the source pointer on mmio
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20 count
21 the data size to copy in bytes
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24 Copies the data from mmio-space to user-space.
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27 Zero if successful, or non-zero on failure.
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30Kernel Hackers Manual 3.10 June 2019 COPY_TO_USER_FROMIO(9)