* Sasha Levin <levinsasha928@xxxxxxxxx> wrote: > When we have a MMIO exit, we need to find which device > has registered to use the accessed MMIO space. > > The mapper maps ranges of guest physical addresses to > callback functions. > > Implementation is based on an interval red-black tree. > > Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx> > --- > tools/kvm/include/kvm/kvm.h | 2 + > tools/kvm/mmio.c | 79 +++++++++++++++++++++++++++++++++++++++++- > 2 files changed, 79 insertions(+), 2 deletions(-) > > diff --git a/tools/kvm/include/kvm/kvm.h b/tools/kvm/include/kvm/kvm.h > index b310d50..d9943bf 100644 > --- a/tools/kvm/include/kvm/kvm.h > +++ b/tools/kvm/include/kvm/kvm.h > @@ -44,6 +44,8 @@ void kvm__stop_timer(struct kvm *kvm); > void kvm__irq_line(struct kvm *kvm, int irq, int level); > bool kvm__emulate_io(struct kvm *kvm, u16 port, void *data, int direction, int size, u32 count); > bool kvm__emulate_mmio(struct kvm *kvm, u64 phys_addr, u8 *data, u32 len, u8 is_write); > +bool kvm__register_mmio(u64 phys_addr, u64 phys_addr_len, void (*kvm_mmio_callback_fn)(u64 addr, u8 *data, u32 len, u8 is_write)); > +bool kvm__deregister_mmio(u64 phys_addr); > > /* > * Debugging > diff --git a/tools/kvm/mmio.c b/tools/kvm/mmio.c > index 848267d..fab6489 100644 > --- a/tools/kvm/mmio.c > +++ b/tools/kvm/mmio.c > @@ -1,7 +1,48 @@ > #include "kvm/kvm.h" > +#include "kvm/interval-rbtree.h" > > #include <stdio.h> > +#include <stdlib.h> > + > #include <linux/types.h> > +#include <linux/rbtree.h> > + > +#define MMIO_NODE(n) container_of(n, struct mmio_mapping, node) Please make this lowercase, mmio_node() or mmio_entry(). Other than that: Acked-by: Ingo Molnar <mingo@xxxxxxx> Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
