libavf: implement AVirtualMachineRawConfig_addCustomMemoryBackingFile
Bug: 381972137
Bug: 368143426
Test: m
Change-Id: Ic62ad99b1923d45406366c00541789fb1fdd9b74
diff --git a/android/virtmgr/src/crosvm.rs b/android/virtmgr/src/crosvm.rs
index bb7712e..59f115e 100644
--- a/android/virtmgr/src/crosvm.rs
+++ b/android/virtmgr/src/crosvm.rs
@@ -140,6 +140,8 @@
pub dump_dt_fd: Option<File>,
pub enable_hypervisor_specific_auth_method: bool,
pub instance_id: [u8; 64],
+ // (memfd, guest address, size)
+ pub custom_memory_backing_files: Vec<(OwnedFd, u64, u64)>,
}
#[derive(Debug)]
@@ -1370,6 +1372,13 @@
}
}
+ for (fd, addr, size) in config.custom_memory_backing_files {
+ command.arg("--file-backed-mapping").arg(format!(
+ "{},addr={addr:#0x},size={size:#0x},rw,ram",
+ add_preserved_fd(&mut preserved_fds, fd)
+ ));
+ }
+
debug!("Preserving FDs {:?}", preserved_fds);
command.preserved_fds(preserved_fds);