Re: [Qemu-devel] [PATCH v8 5/5] RESEND: Inter-VM shared memory PCI device

[Stefan Weil <weil@mail.berlios.de>]

Am 27.07.2010 18:54, schrieb Cam Macdonell:
> resend for bug fix related to removal of irqfd
>
> Support an inter-vm shared memory device that maps a shared-memory 
> object as a
> PCI device in the guest. This patch also supports interrupts between 
> guest by
> communicating over a unix domain socket. This patch applies to the 
> qemu-kvm
> repository.
>
> -device ivshmem,size=<size in format accepted by -m>[,shm=<shm name>]
>
> Interrupts are supported between multiple VMs by using a shared memory 
> server
> by using a chardev socket.
>
> -device ivshmem,size=<size in format accepted by -m>[,shm=<shm name>]
> [,chardev=<id>][,msi=on][,ioeventfd=on][,vectors=n][,role=peer|master]
> -chardev socket,path=<path>,id=<id>
>
> The shared memory server, sample programs and init scripts are in a 
> git repo here:
>
> www.gitorious.org/nahanni
>
> Signed-off-by: Cam Macdonell <cam@cs.ualberta.ca>
> ---
> Makefile.target | 3 +
> hw/ivshmem.c | 828 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
> qemu-char.c | 6 +
> qemu-char.h | 3 +
> qemu-doc.texi | 43 +++
> 5 files changed, 883 insertions(+), 0 deletions(-)
> create mode 100644 hw/ivshmem.c
>

Hi,

hw/ivshmem.c breaks compilation on 32 bit hosts, for targets without kvm 
support
and for win32 environments.

I sent patches to qemu-devel which fix the first two problems.

The win32 problems (missing mmap, maybe more) remain.
Could you please fix them?

Regards
Stefan