Re: [Qemu-devel] [PATCH v2 0/3] Linux usermode emulation user mode USB driver support.

[Laurent Vivier]

Le 25/09/2018 à 09:12, Cortland Tölva a écrit :
> This patch series aims to let programs running under QEMU Linux user mode
> emulation implement user-space USB drivers via the USBFS ioctl()s.  First
> I check for the necessary header files, then I define some types, and
> last I implement the submit, discard, and reap functions, which involve
> USB request buffers which live beyond a single ioctl() call.
> 
> Each patch in this series compiles for i386, ppc64, ppc64le, mips, mipsel,
> xtensa, and xtensaeb with an armv7l host and an x86_64 host.  The
> i386-linux-user target is tested working with a USB scanner driver on an
> armv7l host.  Additionally, a patched copy of strace was used to verify
> the conversion for reaping.  Additionally, a MIPS binary of lsusb was run
> on armv7l host to check reaping and other functionality across endianness.
> 
> Not tested on 64-bit hosts.
> 
> Changes from v1:
>   use check_include in configure
>   move struct definitions to later patch where possible
>   improve pointer cast to int compatibility
>   remove unimplemented types for usb streams
> 
> Cortland Tölva (3):
>   linux-user: Check for Linux USBFS in configure
>   linux-user: Define ordinary usbfs ioctls.
>   linux-user: implement special usbfs ioctls.
> 
>  configure                  |  12 +++-
>  linux-user/ioctls.h        |  46 ++++++++++++
>  linux-user/syscall.c       | 171 
> +++++++++++++++++++++++++++++++++++++++++++++
>  linux-user/syscall_defs.h  |  30 ++++++++
>  linux-user/syscall_types.h |  68 ++++++++++++++++++
>  5 files changed, 326 insertions(+), 1 deletion(-)
> 

I've applied patches 1 and 2 to my linux-user branch.

Thanks,
Laurent