[Qemu-devel] Re: [PATCH v3 1/1] Shared memory uio_pci driver

[Avi Kivity]

On 03/25/2010 08:09 AM, Cam Macdonell wrote:
> This patch adds a driver for my shared memory PCI device using the uio_pci
> interface.  The driver has three memory regions.  The first memory region is for
> device registers for sending interrupts. The second BAR is for receiving MSI-X
> interrupts and the third memory region maps the shared memory.  The device only
> exports the first and third memory regions to userspace.
>
> This driver supports MSI-X and regular pin interrupts.  Currently, the number of
> MSI vectors is set to 4 which could be increased, but the driver will work with
> fewer vectors.  If MSI is not available, then regular interrupts will be used.
>    

There is now a generic PCI 2.3 driver that can handle all PCI devices.  
It doesn't support MSI, but if we add MSI support then it can be used 
without the need for a specialized driver.

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error compiling committee.c: too many arguments to function