Re: [Qemu-devel] questions about pci

2012-03-08 Thread 陳韋任
CC'ed to the list. On Wed, Mar 07, 2012 at 07:47:08PM +0800, WanPeng Li wrote: > On Tue, Mar 06, 2012 at 06:10:16PM +0800, 陳韋任 wrote: > >> I read pci code in qemu about i440fx, pci.c and so on. I think if guest > >> os whose mainboard is based on x86, it will use IO instructions to > >> access P

Re: [Qemu-devel] questions about pci

2012-03-06 Thread 陳韋任
> I read pci code in qemu about i440fx, pci.c and so on. I think if guest > os whose mainboard is based on x86, it will use IO instructions to > access PCI configuration space.If not use passthrough, qemu should > emulate these operations.I find a function called kvm_handle_io who will

[Qemu-devel] questions about pci

2012-03-04 Thread WanPeng Li
Hi all: I read pci code in qemu about i440fx, pci.c and so on. I think if guest os whose mainboard is based on x86, it will use IO instructions to access PCI configuration space.If not use passthrough, qemu should emulate these operations.I find a function called kvm_handle_io who will emulate iop