1 files changed, 38 insertions, 0 deletions

diff --git a/drivers/edac/edac_mce_amd.h b/drivers/edac/edac_mce_amd.h
index 39971cdabb51..9114dc62782b 100644
--- a/drivers/edac/edac_mce_amd.h
+++ b/drivers/edac/edac_mce_amd.h
@@ -1,3 +1,8 @@
+#ifndef _EDAC_MCE_AMD_H
+#define _EDAC_MCE_AMD_H
+
+#include <asm/mce.h>
+
 #define ERROR_CODE(x)                   ((x) & 0xffff)
 #define EXT_ERROR_CODE(x)               (((x) >> 16) & 0x1f)
 #define EXT_ERR_MSG(x)                  ext_msgs[EXT_ERROR_CODE(x)]
@@ -22,6 +27,20 @@
 #define PP(x)                           (((x) >> 9) & 0x3)
 #define PP_MSG(x)                       pp_msgs[PP(x)]
 
+#define K8_NBSH                         0x4C
+
+#define K8_NBSH_VALID_BIT               BIT(31)
+#define K8_NBSH_OVERFLOW                BIT(30)
+#define K8_NBSH_UC_ERR                  BIT(29)
+#define K8_NBSH_ERR_EN                  BIT(28)
+#define K8_NBSH_MISCV                   BIT(27)
+#define K8_NBSH_VALID_ERROR_ADDR        BIT(26)
+#define K8_NBSH_PCC                     BIT(25)
+#define K8_NBSH_ERR_CPU_VAL             BIT(24)
+#define K8_NBSH_CECC                    BIT(14)
+#define K8_NBSH_UECC                    BIT(13)
+#define K8_NBSH_ERR_SCRUBER             BIT(8)
+
 extern const char *tt_msgs[];
 extern const char *ll_msgs[];
 extern const char *rrrr_msgs[];
@@ -29,3 +48,22 @@ extern const char *pp_msgs[];
 extern const char *to_msgs[];
 extern const char *ii_msgs[];
 extern const char *ext_msgs[];
+
+/*
+ * relevant NB regs
+ */
+struct err_regs {
+        u32 nbcfg;
+        u32 nbsh;
+        u32 nbsl;
+        u32 nbeah;
+        u32 nbeal;
+};
+
+
+void amd_report_gart_errors(bool);
+void amd_register_ecc_decoder(void (*f)(int, struct err_regs *, int));
+void amd_unregister_ecc_decoder(void (*f)(int, struct err_regs *, int));
+void amd_decode_nb_mce(int, struct err_regs *, int);
+
+#endif /* _EDAC_MCE_AMD_H */