On Sat, Apr 18, 2020 at 6:22 PM Wang Wenhu <wenhu.w...@vivo.com> wrote:
> +#define DRIVER_NAME "sram_uapi"
> +
> +#define SRAM_UAPI_IOCTL_SET_SRAM_TYPE 0
> +#define SRAM_UAPI_IOCTL_ALLOC 1
> +#define SRAM_UAPI_IOCTL_FREE 2
> +
> +struct res_info {
> + u32 offset;
> + u32 size;
> +};
This is of course not a proper ioctl interface at all, please see
Documentation/driver-api/ioctl.rst for how to define the numbers
in a uapi header file.
The offset/size arguments should probably be 64 bit wide.
Arnd
