| COPY_TO_USER_FROMIO(9) | Management of Cards and Device | COPY_TO_USER_FROMIO(9) |
NAME¶
copy_to_user_fromio - copy data from mmio-space to user-space
SYNOPSIS¶
int copy_to_user_fromio(void __user * dst, const volatile void __iomem * src, size_t count);
ARGUMENTS¶
dst
the destination pointer on user-space
src
the source pointer on mmio
count
the data size to copy in bytes
DESCRIPTION¶
Copies the data from mmio-space to user-space.
RETURN¶
Zero if successful, or non-zero on failure.
COPYRIGHT¶
| June 2024 | Kernel Hackers Manual 3.10 |