Signed-off-by: Haozhong Zhang
---
Cc: Jan Beulich
Cc: Andrew Cooper
Changes in v2:
* Remove the unnecessary local variable "cpu_nr".
---
xen/arch/x86/cpu/mcheck/mce.c | 15 +++
xen/include/public/arch-x86/xen-mca.h | 1 +
2 files changed, 16 insertions(+)
diff --git a/xen/arch/x86/cpu/mcheck/mce.c b/xen/arch/x86/cpu/mcheck/mce.c
index 20ab678..e7c681b 100644
--- a/xen/arch/x86/cpu/mcheck/mce.c
+++ b/xen/arch/x86/cpu/mcheck/mce.c
@@ -1546,6 +1546,21 @@ long do_mca(XEN_GUEST_HANDLE_PARAM(xen_mc_t) u_xen_mc)
}
break;
+case XEN_MC_INJECT_TYPE_LMCE:
+if ( !lmce_support )
+{
+ret = x86_mcerr("No LMCE support in platform", -EINVAL);
+break;
+}
+/* Ensure at most one CPU is specified. */
+if ( nr_cpu_ids > cpumask_next(cpumask_first(cpumap), cpumap) )
+{
+ret = x86_mcerr("More than one CPU specified", -EINVAL);
+break;
+}
+on_selected_cpus(cpumap, x86_mc_mceinject, NULL, 1);
+break;
+
default:
ret = x86_mcerr("Wrong mca type\n", -EINVAL);
break;
diff --git a/xen/include/public/arch-x86/xen-mca.h
b/xen/include/public/arch-x86/xen-mca.h
index 7db9907..dc35267 100644
--- a/xen/include/public/arch-x86/xen-mca.h
+++ b/xen/include/public/arch-x86/xen-mca.h
@@ -414,6 +414,7 @@ struct xen_mc_mceinject {
#define XEN_MC_INJECT_TYPE_MASK 0x7
#define XEN_MC_INJECT_TYPE_MCE 0x0
#define XEN_MC_INJECT_TYPE_CMCI 0x1
+#define XEN_MC_INJECT_TYPE_LMCE 0x2
#define XEN_MC_INJECT_CPU_BROADCAST 0x8
--
2.10.1
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