On Sat, Apr 01, 2023 at 12:42:57PM +0000, Alexander Graf wrote: > Add an option for hostmem-file to start the memory object at an offset > into the target file. This is useful if multiple memory objects reside > inside the same target file, such as a device node. > > In particular, it's useful to map guest memory directly into /dev/mem > for experimentation. > > Signed-off-by: Alexander Graf <g...@amazon.com> > Reviewed-by: Stefan Hajnoczi <stefa...@gmail.com> > > --- > > v1 -> v2: > > - add qom documentation > - propagate offset into truncate, size and alignment checks > > v2 -> v3: > > - failed attempt at fixing typo > > v2 -> v4: > > - fix typo > --- > backends/hostmem-file.c | 40 +++++++++++++++++++++++++++++++++++++++- > include/exec/memory.h | 2 ++ > include/exec/ram_addr.h | 3 ++- > qapi/qom.json | 5 +++++ > qemu-options.hx | 6 +++++- > softmmu/memory.c | 3 ++- > softmmu/physmem.c | 14 ++++++++++---- > 7 files changed, 65 insertions(+), 8 deletions(-)
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
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