On Wed, Jun 01, 2022 at 08:57:41PM +0300, Oleksandr Tyshchenko wrote: > From: Julien Grall <julien.gr...@arm.com> > > This patch introduces helpers to allocate Virtio MMIO params > (IRQ and memory region) and create specific device node in > the Guest device-tree with allocated params. In order to deal > with multiple Virtio devices, reserve corresponding ranges. > For now, we reserve 1MB for memory regions and 10 SPIs. > > As these helpers should be used for every Virtio device attached > to the Guest, call them for Virtio disk(s). > > Please note, with statically allocated Virtio IRQs there is > a risk of a clash with a physical IRQs of passthrough devices. > For the first version, it's fine, but we should consider allocating > the Virtio IRQs automatically. Thankfully, we know in advance which > IRQs will be used for passthrough to be able to choose non-clashed > ones. > > Signed-off-by: Julien Grall <julien.gr...@arm.com> > Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshche...@epam.com>
Reviewed-by: Anthony PERARD <anthony.per...@citrix.com> Thanks, -- Anthony PERARD
