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Diffstat (limited to 'drivers/edac/edac_mce_amd.h')
-rw-r--r--drivers/edac/edac_mce_amd.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/edac/edac_mce_amd.h b/drivers/edac/edac_mce_amd.h
new file mode 100644
index 00000000000..df23ee065f7
--- /dev/null
+++ b/drivers/edac/edac_mce_amd.h
@@ -0,0 +1,69 @@
+#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)]
+
+#define LOW_SYNDROME(x) (((x) >> 15) & 0xff)
+#define HIGH_SYNDROME(x) (((x) >> 24) & 0xff)
+
+#define TLB_ERROR(x) (((x) & 0xFFF0) == 0x0010)
+#define MEM_ERROR(x) (((x) & 0xFF00) == 0x0100)
+#define BUS_ERROR(x) (((x) & 0xF800) == 0x0800)
+
+#define TT(x) (((x) >> 2) & 0x3)
+#define TT_MSG(x) tt_msgs[TT(x)]
+#define II(x) (((x) >> 2) & 0x3)
+#define II_MSG(x) ii_msgs[II(x)]
+#define LL(x) (((x) >> 0) & 0x3)
+#define LL_MSG(x) ll_msgs[LL(x)]
+#define RRRR(x) (((x) >> 4) & 0xf)
+#define RRRR_MSG(x) rrrr_msgs[RRRR(x)]
+#define TO(x) (((x) >> 8) & 0x1)
+#define TO_MSG(x) to_msgs[TO(x)]
+#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[];
+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 *));
+void amd_unregister_ecc_decoder(void (*f)(int, struct err_regs *));
+void amd_decode_nb_mce(int, struct err_regs *, int);
+
+#endif /* _EDAC_MCE_AMD_H */