Re: [Qemu-devel] [PATCH v5 0/3] pci: partially implement master abort protocol

2013-10-08 Thread Michael S. Tsirkin
On Mon, Sep 16, 2013 at 11:21:13AM +0300, Marcel Apfelbaum wrote: PCI spec requires that a transaction that has not been claimed by any PCI bus devices will be terminated by the initiator with master abort. For read transactions -1() is returned and writes are silently dropped. OK

[Qemu-devel] [PATCH v5 0/3] pci: partially implement master abort protocol

2013-09-16 Thread Marcel Apfelbaum
PCI spec requires that a transaction that has not been claimed by any PCI bus devices will be terminated by the initiator with master abort. For read transactions -1() is returned and writes are silently dropped. Implementation: - Allowed the MemoryRegion priority to be negative so a