vhost_rs: remove config space offset setting
There is one definition in message.rs file as below:
pub const VHOST_USER_CONFIG_OFFSET: u32 = 0x100
This definition is only for virtio mmio config space
and we will add this offset in virtio-mmio side and
not vhost user protocl side.
@@ -575,10 +575,9 @@ impl VhostUserMsgValidator for VhostUserConfig {
fn is_valid(&self) -> bool {
if (self.flags & !VhostUserConfigFlags::all().bits()) != 0 {
return false;
- } else if self.offset < VHOST_USER_CONFIG_OFFSET
- || self.offset >= VHOST_USER_CONFIG_SIZE
+ } else if self.offset >= VHOST_USER_CONFIG_SIZE
|| self.size == 0
- || self.size > (VHOST_USER_CONFIG_SIZE - VHOST_USER_CONFIG_OFFSET)
+ || self.size > VHOST_USER_CONFIG_SIZE
|| self.size + self.offset > VHOST_USER_CONFIG_SIZE
{
return false;
