On 1/22/21 3:12 PM, Thomas Huth wrote:
On 22/01/2021 14.27, Pierre Morel wrote:
To centralize the memory allocation for I/O we define
the alloc_io_mem/free_io_mem functions which share the I/O
memory with the host in case the guest runs with
protected virtualization.
These functions allocate on a page integral granularity to
ensure a dedicated sharing of the allocated objects.
Signed-off-by: Pierre Morel <pmorel@xxxxxxxxxxxxx>
---
lib/s390x/malloc_io.c | 71 +++++++++++++++++++++++++++++++++++++++++++
lib/s390x/malloc_io.h | 45 +++++++++++++++++++++++++++
s390x/Makefile | 1 +
3 files changed, 117 insertions(+)
create mode 100644 lib/s390x/malloc_io.c
create mode 100644 lib/s390x/malloc_io.h
Acked-by: Thomas Huth <thuth@xxxxxxxxxx>
Thanks,
Pierre
--
Pierre Morel
IBM Lab Boeblingen
