# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1265189937 0
# Node ID a7546e45ca8352f9ea62416d53a44abeef365c85
# Parent 09dd83d09f49c108647b00d81669af4ffb03ae1c
libxc: Export do_mca hypercall to user space tools.
This is mainly for software trigger MCE operation, so that test suites
can trigger software MCE.
Signed-off-by: Jiang, Yunhong <yunhong.jiang@xxxxxxxxx>
---
tools/libxc/xc_misc.c | 21 +++++++++++++++++++++
tools/libxc/xenctrl.h | 2 ++
2 files changed, 23 insertions(+)
diff -r 09dd83d09f49 -r a7546e45ca83 tools/libxc/xc_misc.c
--- a/tools/libxc/xc_misc.c Wed Feb 03 09:38:00 2010 +0000
+++ b/tools/libxc/xc_misc.c Wed Feb 03 09:38:57 2010 +0000
@@ -95,6 +95,27 @@ int xc_sched_id(int xc_handle,
return 0;
}
+
+#if defined(__i386__) || defined(__x86_64__)
+int xc_mca_op(int xc_handle, struct xen_mc *mc)
+{
+ int ret = 0;
+ DECLARE_HYPERCALL;
+
+ mc->interface_version = XEN_MCA_INTERFACE_VERSION;
+ if ( lock_pages(mc, sizeof(mc)) )
+ {
+ PERROR("Could not lock xen_mc memory\n");
+ return -EINVAL;
+ }
+
+ hypercall.op = __HYPERVISOR_mca;
+ hypercall.arg[0] = (unsigned long)mc;
+ ret = do_xen_hypercall(xc_handle, &hypercall);
+ unlock_pages(mc, sizeof(mc));
+ return ret;
+}
+#endif
int xc_perfc_control(int xc_handle,
uint32_t opcode,
diff -r 09dd83d09f49 -r a7546e45ca83 tools/libxc/xenctrl.h
--- a/tools/libxc/xenctrl.h Wed Feb 03 09:38:00 2010 +0000
+++ b/tools/libxc/xenctrl.h Wed Feb 03 09:38:57 2010 +0000
@@ -37,6 +37,7 @@
#if defined(__i386__) || defined(__x86_64__)
#include <xen/foreign/x86_32.h>
#include <xen/foreign/x86_64.h>
+#include <xen/arch-x86/xen-mca.h>
#endif
#ifdef __ia64__
@@ -1207,6 +1208,7 @@ int xc_cpuid_apply_policy(int xc,
domid_t domid);
void xc_cpuid_to_str(const unsigned int *regs,
char **strs);
+int xc_mca_op(int xc_handle, struct xen_mc *mc);
#endif
struct xc_px_val {
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