Hi Marcel, On Tue, 19 Jan 2016 16:26:31 +0200, marcel.apfelb...@gmail.com wrote: > > > > +/* DSN */ > > +#define PCI_DSN_VER 1 > > +#define PCI_DSN_SIZEOF 8 > > Are you sure the size of DSN is 8? > Looking at PCIe spec 3, chapter 7.12 I see 12, but I might be wrong.
Total size (DSN ext. cap header + Serial Number register) is indeed 12. The Serial Number register itself is 64 bits. Newer qemu already has PCI_EXT_CAP_DSN_SIZEOF defined as 12 (in standard-headers/linux/pci_regs.h) We may choose better naming to reflect the '8 size' refers to the payload.
