@@ -2601,6 +2601,8 @@ int xc_cpu_policy_get_system(xc_interface *xch, unsigned int policy_idx,
xc_cpu_policy_t policy);
int xc_cpu_policy_get_domain(xc_interface *xch, uint32_t domid,
xc_cpu_policy_t policy);
+int xc_cpu_policy_set_domain(xc_interface *xch, uint32_t domid,
+ const xc_cpu_policy_t policy);
/* Manipulate a policy via architectural representations. */
int xc_cpu_policy_serialise(xc_interface *xch, const xc_cpu_policy_t policy,
@@ -757,6 +757,35 @@ int xc_cpu_policy_get_domain(xc_interface *xch, uint32_t domid,
return rc;
}
+int xc_cpu_policy_set_domain(xc_interface *xch, uint32_t domid,
+ const xc_cpu_policy_t policy)
+{
+ uint32_t err_leaf = -1, err_subleaf = -1, err_msr = -1;
+ unsigned int nr_leaves = ARRAY_SIZE(policy->leaves);
+ unsigned int nr_entries = ARRAY_SIZE(policy->entries);
+ int rc;
+
+ rc = xc_cpu_policy_serialise(xch, policy, policy->leaves, &nr_leaves,
+ policy->entries, &nr_entries);
+ if ( rc )
+ return rc;
+
+ rc = xc_set_domain_cpu_policy(xch, domid, nr_leaves, policy->leaves,
+ nr_entries, policy->entries,
+ &err_leaf, &err_subleaf, &err_msr);
+ if ( rc )
+ {
+ ERROR("Failed to set domain %u policy (%d = %s)", domid, -rc,
+ strerror(-rc));
+ if ( err_leaf != -1 )
+ ERROR("CPUID leaf %u subleaf %u", err_leaf, err_subleaf);
+ if ( err_msr != -1 )
+ ERROR("MSR index %#x\n", err_msr);
+ }
+
+ return rc;
+}
+
int xc_cpu_policy_serialise(xc_interface *xch, const xc_cpu_policy_t p,
xen_cpuid_leaf_t *leaves, uint32_t *nr_leaves,
xen_msr_entry_t *msrs, uint32_t *nr_msrs)
Such helper is very similar to the existing xc_set_domain_cpu_policy interface, but takes an opaque xc_cpu_policy_t instead of arrays of CPUID leaves and MSRs. No callers of the interface introduced in this patch. Signed-off-by: Roger Pau Monné <roger.pau@citrix.com> --- tools/include/xenctrl.h | 2 ++ tools/libs/guest/xg_cpuid_x86.c | 29 +++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+)