On Tue, 7 Nov 2023 at 03:02, Ethan Chen <etha...@andestech.com> wrote: > > On Mon, Nov 06, 2023 at 10:34:41AM +0000, Peter Maydell wrote: > > What AXI bus signals? You already get address and size in the > > actual memory transaction, they don't need to go in the MemTxAttrs. > > > > A burst contains multiple continuous read or write operations. In current > transaction, I can only get the size and address of a single operation. IOPMP > checks not only a single operation but also the burst information. I propose > to add those signals to MemTxAttrs.
QEMU doesn't emulate bus transactions at that level -- we have no concept of burst transactions. You should have the IOMMU do whatever it would do for a series of simple transactions. thanks -- PMM