static int flush_mmu_updates(xc_interface *xch, struct xc_mmu *mmu)
{
int rc, err = 0;
DECLARE_NAMED_HYPERCALL_BOUNCE(updates, mmu->updates, mmu->idx*sizeof(*mmu->updates), XC_HYPERCALL_BUFFER_BOUNCE_BOTH);
if ( mmu->idx == 0 )
return 0;
if ( xc_hypercall_bounce_pre(xch, updates) )
{
PERROR("flush_mmu_updates: bounce buffer failed");
err = 1;
goto out;
}
rc = xencall4(xch->xcall, __HYPERVISOR_mmu_update,
HYPERCALL_BUFFER_AS_ARG(updates),
mmu->idx, 0, mmu->subject);
if ( rc < 0 )
{
ERROR("Failure when submitting mmu updates");
err = 1;
}
mmu->idx = 0;
xc_hypercall_bounce_post(xch, updates);
out:
return err;
}
int xc_mmuext_op(
xc_interface *xch,
struct mmuext_op *op,
unsigned int nr_ops,
uint32_t dom)
{
DECLARE_HYPERCALL_BOUNCE(op, nr_ops*sizeof(*op), XC_HYPERCALL_BUFFER_BOUNCE_BOTH);
long ret = -1;
if ( xc_hypercall_bounce_pre(xch, op) )
{
PERROR("Could not bounce memory for mmuext op hypercall");
goto out1;
}
ret = xencall4(xch->xcall, __HYPERVISOR_mmuext_op,
HYPERCALL_BUFFER_AS_ARG(op),
nr_ops, 0, dom);
xc_hypercall_bounce_post(xch, op);
out1:
return ret;
}
int
HYPERVISOR_grant_table_op(int cmd, gnttab_setup_table_t *setup, int count)
{
return xencall4(__HYPERVISOR_grant_table_op, cmd, (ulong)setup, count);
}
int
HYPERVISOR_console_io(int cmd, int count, char *str)
{
return xencall4(__HYPERVISOR_console_io, cmd, count, (ulong)str);
}
