awsaba

trait Resource: Read {}

trait Factory {
    type R: Resource;

    fn get(&self, index: u8) -> Result<Self::R, ()>;
}


#[derive(Clone)]

awsaba

Xen leaves holes in it's p2m map which makes using dominfo.maxmemkb insufficient for accessing all of the guests physical memory.
 
xc_domain_maximum_gpfn() seems to return a usable value, but is also larger than necessary for guests with less than 4GB of ram.
 
Linux guest with 2GB of ram:
        nr_pages: 80042
        nr_outstanding_pages: 0
        nr_shared_pages: 0
        nr_paged_pages: 0
        max_memkb: 200400

awsaba

$  gcc -lvmi -Wall -pedantic page_size_size_test.c 

$ ./a.out
sizeof(enum page_size): 4
sizeof(page_size_t): 4
sizeof(VMI_PS_4KB): 4

$ gcc --version
gcc (Ubuntu 4.8.2-19ubuntu1) 4.8.2
Copyright (C) 2013 Free Software Foundation, Inc.