[IA64] Itanium MC Error Injection Tool: pal_mc_error_inject() interface
This patch implements pal_mc_error_inject() interface in kernel. Both physical
mode and virtual mode are supported.
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/include/asm-ia64/pal.h b/include/asm-ia64/pal.h
index bc76815..56e9210 100644
--- a/include/asm-ia64/pal.h
+++ b/include/asm-ia64/pal.h
@@ -89,6 +89,8 @@
#define PAL_GET_PSTATE_TYPE_AVGNORESET 2
#define PAL_GET_PSTATE_TYPE_INSTANT 3
+#define PAL_MC_ERROR_INJECT 276 /* Injects processor error or returns injection capabilities */
+
#ifndef __ASSEMBLY__
#include <linux/types.h>
@@ -1234,6 +1236,37 @@
return iprv.status;
}
+/* Injects the requested processor error or returns info on
+ * supported injection capabilities for current processor implementation
+ */
+static inline s64
+ia64_pal_mc_error_inject_phys (u64 err_type_info, u64 err_struct_info,
+ u64 err_data_buffer, u64 *capabilities, u64 *resources)
+{
+ struct ia64_pal_retval iprv;
+ PAL_CALL_PHYS_STK(iprv, PAL_MC_ERROR_INJECT, err_type_info,
+ err_struct_info, err_data_buffer);
+ if (capabilities)
+ *capabilities= iprv.v0;
+ if (resources)
+ *resources= iprv.v1;
+ return iprv.status;
+}
+
+static inline s64
+ia64_pal_mc_error_inject_virt (u64 err_type_info, u64 err_struct_info,
+ u64 err_data_buffer, u64 *capabilities, u64 *resources)
+{
+ struct ia64_pal_retval iprv;
+ PAL_CALL_STK(iprv, PAL_MC_ERROR_INJECT, err_type_info,
+ err_struct_info, err_data_buffer);
+ if (capabilities)
+ *capabilities= iprv.v0;
+ if (resources)
+ *resources= iprv.v1;
+ return iprv.status;
+}
+
/* Inform PALE_CHECK whether a machine check is expected so that PALE_CHECK willnot
* attempt to correct any expected machine checks.
*/