Multiple MSI messages support

2007-10-30 Thread Shawn Jin
Hi, If this is really off-topic here, I apologize first. But I cannot think a better place to ask this particular question. I understand that the current PCI subsystem or linux kernel (x86) supports only one message when MSI is enabled even for devices having multiple MSI messages. But why? Is th

Re: Multiple MSI messages support

2007-10-30 Thread Shawn Jin
On Oct 30, 2007 2:51 PM, Roland Dreier <[EMAIL PROTECTED]> wrote: > > > > I understand that the current PCI subsystem or linux kernel (x86) > > > supports only one message when MSI is enabled even for devices having > > > multiple MSI messages. But why? Is this a limitation solely due to the >

Re: Multiple MSI messages support

2007-10-30 Thread Shawn Jin
On Oct 30, 2007 8:00 PM, Jeff Garzik <[EMAIL PROTECTED]> wrote: > Roland Dreier wrote: > > Multiple interrupt messages are supported by Linux via MSI-X (which > > Absolutely, but the poster seemed to be talking about MSI, not MSI-X. I guess Roland understood my intention. :-P My interpretation of