4 files changed, 359 insertions, 118 deletions

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 6bf7e248e758..4a5ecc58025d 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1950,8 +1950,8 @@ static void amd64_handle_ue(struct mem_ctl_info *mci,
 static inline void __amd64_decode_bus_error(struct mem_ctl_info *mci,
                                             struct err_regs *info)
 {
-        u32 ec  = ERROR_CODE(info->nbsl);
-        u32 xec = EXT_ERROR_CODE(info->nbsl);
+        u16 ec = EC(info->nbsl);
+        u8 xec = XEC(info->nbsl, 0x1f);
         int ecc_type = (info->nbsh >> 13) & 0x3;
 
         /* Bail early out if this was an 'observed' error */
diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c
index c0181093b490..f6cf73d93359 100644
--- a/drivers/edac/mce_amd.c
+++ b/drivers/edac/mce_amd.c
@@ -5,6 +5,7 @@
 
 static struct amd_decoder_ops *fam_ops;
 
+static u8 xec_mask       = 0xf;
 static u8 nb_err_cpumask = 0xf;
 
 static bool report_gart_errors;
@@ -74,57 +75,104 @@ static const char *f10h_nb_mce_desc[] = {
         "ECC Error in the Probe Filter directory"
 };
 
-static bool f12h_dc_mce(u16 ec)
+static const char * const f15h_ic_mce_desc[] = {
+        "UC during a demand linefill from L2",
+        "Parity error during data load from IC",
+        "Parity error for IC valid bit",
+        "Main tag parity error",
+        "Parity error in prediction queue",
+        "PFB data/address parity error",
+        "Parity error in the branch status reg",
+        "PFB promotion address error",
+        "Tag error during probe/victimization",
+        "Parity error for IC probe tag valid bit",
+        "PFB non-cacheable bit parity error",
+        "PFB valid bit parity error",                   /* xec = 0xd */
+        "patch RAM",                                    /* xec = 010 */
+        "uop queue",
+        "insn buffer",
+        "predecode buffer",
+        "fetch address FIFO"
+};
+
+static const char * const f15h_cu_mce_desc[] = {
+        "Fill ECC error on data fills",                 /* xec = 0x4 */
+        "Fill parity error on insn fills",
+        "Prefetcher request FIFO parity error",
+        "PRQ address parity error",
+        "PRQ data parity error",
+        "WCC Tag ECC error",
+        "WCC Data ECC error",
+        "WCB Data parity error",
+        "VB Data/ECC error",
+        "L2 Tag ECC error",                             /* xec = 0x10 */
+        "Hard L2 Tag ECC error",
+        "Multiple hits on L2 tag",
+        "XAB parity error",
+        "PRB address parity error"
+};
+
+static const char * const fr_ex_mce_desc[] = {
+        "CPU Watchdog timer expire",
+        "Wakeup array dest tag",
+        "AG payload array",
+        "EX payload array",
+        "IDRF array",
+        "Retire dispatch queue",
+        "Mapper checkpoint array",
+        "Physical register file EX0 port",
+        "Physical register file EX1 port",
+        "Physical register file AG0 port",
+        "Physical register file AG1 port",
+        "Flag register file",
+        "DE correctable error could not be corrected"
+};
+
+static bool f12h_dc_mce(u16 ec, u8 xec)
 {
         bool ret = false;
 
         if (MEM_ERROR(ec)) {
-                u8 ll = ec & 0x3;
+                u8 ll = LL(ec);
                 ret = true;
 
                 if (ll == LL_L2)
                         pr_cont("during L1 linefill from L2.\n");
                 else if (ll == LL_L1)
-                        pr_cont("Data/Tag %s error.\n", RRRR_MSG(ec));
+                        pr_cont("Data/Tag %s error.\n", R4_MSG(ec));
                 else
                         ret = false;
         }
         return ret;
 }
 
-static bool f10h_dc_mce(u16 ec)
+static bool f10h_dc_mce(u16 ec, u8 xec)
 {
-        u8 r4  = (ec >> 4) & 0xf;
-        u8 ll  = ec & 0x3;
-
-        if (r4 == R4_GEN && ll == LL_L1) {
+        if (R4(ec) == R4_GEN && LL(ec) == LL_L1) {
                 pr_cont("during data scrub.\n");
                 return true;
         }
-        return f12h_dc_mce(ec);
+        return f12h_dc_mce(ec, xec);
 }
 
-static bool k8_dc_mce(u16 ec)
+static bool k8_dc_mce(u16 ec, u8 xec)
 {
         if (BUS_ERROR(ec)) {
                 pr_cont("during system linefill.\n");
                 return true;
         }
 
-        return f10h_dc_mce(ec);
+        return f10h_dc_mce(ec, xec);
 }
 
-static bool f14h_dc_mce(u16 ec)
+static bool f14h_dc_mce(u16 ec, u8 xec)
 {
-        u8 r4    = (ec >> 4) & 0xf;
-        u8 ll    = ec & 0x3;
-        u8 tt    = (ec >> 2) & 0x3;
-        u8 ii    = tt;
+        u8 r4    = R4(ec);
         bool ret = true;
 
         if (MEM_ERROR(ec)) {
 
-                if (tt != TT_DATA || ll != LL_L1)
+                if (TT(ec) != TT_DATA || LL(ec) != LL_L1)
                         return false;
 
                 switch (r4) {
@@ -144,7 +192,7 @@ static bool f14h_dc_mce(u16 ec)
                 }
         } else if (BUS_ERROR(ec)) {
 
-                if ((ii != II_MEM && ii != II_IO) || ll != LL_LG)
+                if ((II(ec) != II_MEM && II(ec) != II_IO) || LL(ec) != LL_LG)
                         return false;
 
                 pr_cont("System read data error on a ");
@@ -169,39 +217,78 @@ static bool f14h_dc_mce(u16 ec)
         return ret;
 }
 
+static bool f15h_dc_mce(u16 ec, u8 xec)
+{
+        bool ret = true;
+
+        if (MEM_ERROR(ec)) {
+
+                switch (xec) {
+                case 0x0:
+                        pr_cont("Data Array access error.\n");
+                        break;
+
+                case 0x1:
+                        pr_cont("UC error during a linefill from L2/NB.\n");
+                        break;
+
+                case 0x2:
+                case 0x11:
+                        pr_cont("STQ access error.\n");
+                        break;
+
+                case 0x3:
+                        pr_cont("SCB access error.\n");
+                        break;
+
+                case 0x10:
+                        pr_cont("Tag error.\n");
+                        break;
+
+                case 0x12:
+                        pr_cont("LDQ access error.\n");
+                        break;
+
+                default:
+                        ret = false;
+                }
+        } else if (BUS_ERROR(ec)) {
+
+                if (!xec)
+                        pr_cont("during system linefill.\n");
+                else
+                        pr_cont(" Internal %s condition.\n",
+                                ((xec == 1) ? "livelock" : "deadlock"));
+        } else
+                ret = false;
+
+        return ret;
+}
+
 static void amd_decode_dc_mce(struct mce *m)
 {
-        u16 ec = m->status & 0xffff;
-        u8 xec = (m->status >> 16) & 0xf;
+        u16 ec = EC(m->status);
+        u8 xec = XEC(m->status, xec_mask);
 
         pr_emerg(HW_ERR "Data Cache Error: ");
 
         /* TLB error signatures are the same across families */
         if (TLB_ERROR(ec)) {
-                u8 tt = (ec >> 2) & 0x3;
-
-                if (tt == TT_DATA) {
+                if (TT(ec) == TT_DATA) {
                         pr_cont("%s TLB %s.\n", LL_MSG(ec),
-                                (xec ? "multimatch" : "parity error"));
+                                ((xec == 2) ? "locked miss"
+                                            : (xec ? "multimatch" : "parity")));
                         return;
                 }
-                else
-                        goto wrong_dc_mce;
-        }
-
-        if (!fam_ops->dc_mce(ec))
-                goto wrong_dc_mce;
-
-        return;
-
-wrong_dc_mce:
-        pr_emerg(HW_ERR "Corrupted DC MCE info?\n");
+        } else if (fam_ops->dc_mce(ec, xec))
+                ;
+        else
+                pr_emerg(HW_ERR "Corrupted DC MCE info?\n");
 }
 
-static bool k8_ic_mce(u16 ec)
+static bool k8_ic_mce(u16 ec, u8 xec)
 {
-        u8 ll    = ec & 0x3;
-        u8 r4    = (ec >> 4) & 0xf;
+        u8 ll    = LL(ec);
         bool ret = true;
 
         if (!MEM_ERROR(ec))
@@ -210,7 +297,7 @@ static bool k8_ic_mce(u16 ec)
         if (ll == 0x2)
                 pr_cont("during a linefill from L2.\n");
         else if (ll == 0x1) {
-                switch (r4) {
+                switch (R4(ec)) {
                 case R4_IRD:
                         pr_cont("Parity error during data load.\n");
                         break;
@@ -233,15 +320,13 @@ static bool k8_ic_mce(u16 ec)
         return ret;
 }
 
-static bool f14h_ic_mce(u16 ec)
+static bool f14h_ic_mce(u16 ec, u8 xec)
 {
-        u8 ll    = ec & 0x3;
-        u8 tt    = (ec >> 2) & 0x3;
-        u8 r4  = (ec >> 4) & 0xf;
+        u8 r4    = R4(ec);
         bool ret = true;
 
         if (MEM_ERROR(ec)) {
-                if (tt != 0 || ll != 1)
+                if (TT(ec) != 0 || LL(ec) != 1)
                         ret = false;
 
                 if (r4 == R4_IRD)
@@ -254,10 +339,36 @@ static bool f14h_ic_mce(u16 ec)
         return ret;
 }
 
+static bool f15h_ic_mce(u16 ec, u8 xec)
+{
+        bool ret = true;
+
+        if (!MEM_ERROR(ec))
+                return false;
+
+        switch (xec) {
+        case 0x0 ... 0xa:
+                pr_cont("%s.\n", f15h_ic_mce_desc[xec]);
+                break;
+
+        case 0xd:
+                pr_cont("%s.\n", f15h_ic_mce_desc[xec-2]);
+                break;
+
+        case 0x10 ... 0x14:
+                pr_cont("Decoder %s parity error.\n", f15h_ic_mce_desc[xec-4]);
+                break;
+
+        default:
+                ret = false;
+        }
+        return ret;
+}
+
 static void amd_decode_ic_mce(struct mce *m)
 {
-        u16 ec = m->status & 0xffff;
-        u8 xec = (m->status >> 16) & 0xf;
+        u16 ec = EC(m->status);
+        u8 xec = XEC(m->status, xec_mask);
 
         pr_emerg(HW_ERR "Instruction Cache Error: ");
 
@@ -268,7 +379,7 @@ static void amd_decode_ic_mce(struct mce *m)
                 bool k8 = (boot_cpu_data.x86 == 0xf && (m->status & BIT_64(58)));
 
                 pr_cont("during %s.\n", (k8 ? "system linefill" : "NB data read"));
-        } else if (fam_ops->ic_mce(ec))
+        } else if (fam_ops->ic_mce(ec, xec))
                 ;
         else
                 pr_emerg(HW_ERR "Corrupted IC MCE info?\n");
@@ -276,8 +387,8 @@ static void amd_decode_ic_mce(struct mce *m)
 
 static void amd_decode_bu_mce(struct mce *m)
 {
-        u32 ec = m->status & 0xffff;
-        u32 xec = (m->status >> 16) & 0xf;
+        u16 ec = EC(m->status);
+        u8 xec = XEC(m->status, xec_mask);
 
         pr_emerg(HW_ERR "Bus Unit Error");
 
@@ -286,23 +397,23 @@ static void amd_decode_bu_mce(struct mce *m)
         else if (xec == 0x3)
                 pr_cont(" in the victim data buffers.\n");
         else if (xec == 0x2 && MEM_ERROR(ec))
-                pr_cont(": %s error in the L2 cache tags.\n", RRRR_MSG(ec));
+                pr_cont(": %s error in the L2 cache tags.\n", R4_MSG(ec));
         else if (xec == 0x0) {
                 if (TLB_ERROR(ec))
                         pr_cont(": %s error in a Page Descriptor Cache or "
                                 "Guest TLB.\n", TT_MSG(ec));
                 else if (BUS_ERROR(ec))
                         pr_cont(": %s/ECC error in data read from NB: %s.\n",
-                                RRRR_MSG(ec), PP_MSG(ec));
+                                R4_MSG(ec), PP_MSG(ec));
                 else if (MEM_ERROR(ec)) {
-                        u8 rrrr = (ec >> 4) & 0xf;
+                        u8 r4 = R4(ec);
 
-                        if (rrrr >= 0x7)
+                        if (r4 >= 0x7)
                                 pr_cont(": %s error during data copyback.\n",
-                                        RRRR_MSG(ec));
-                        else if (rrrr <= 0x1)
+                                        R4_MSG(ec));
+                        else if (r4 <= 0x1)
                                 pr_cont(": %s parity/ECC error during data "
-                                        "access from L2.\n", RRRR_MSG(ec));
+                                        "access from L2.\n", R4_MSG(ec));
                         else
                                 goto wrong_bu_mce;
                 } else
@@ -316,12 +427,52 @@ wrong_bu_mce:
         pr_emerg(HW_ERR "Corrupted BU MCE info?\n");
 }
 
+static void amd_decode_cu_mce(struct mce *m)
+{
+        u16 ec = EC(m->status);
+        u8 xec = XEC(m->status, xec_mask);
+
+        pr_emerg(HW_ERR "Combined Unit Error: ");
+
+        if (TLB_ERROR(ec)) {
+                if (xec == 0x0)
+                        pr_cont("Data parity TLB read error.\n");
+                else if (xec == 0x1)
+                        pr_cont("Poison data provided for TLB fill.\n");
+                else
+                        goto wrong_cu_mce;
+        } else if (BUS_ERROR(ec)) {
+                if (xec > 2)
+                        goto wrong_cu_mce;
+
+                pr_cont("Error during attempted NB data read.\n");
+        } else if (MEM_ERROR(ec)) {
+                switch (xec) {
+                case 0x4 ... 0xc:
+                        pr_cont("%s.\n", f15h_cu_mce_desc[xec - 0x4]);
+                        break;
+
+                case 0x10 ... 0x14:
+                        pr_cont("%s.\n", f15h_cu_mce_desc[xec - 0x7]);
+                        break;
+
+                default:
+                        goto wrong_cu_mce;
+                }
+        }
+
+        return;
+
+wrong_cu_mce:
+        pr_emerg(HW_ERR "Corrupted CU MCE info?\n");
+}
+
 static void amd_decode_ls_mce(struct mce *m)
 {
-        u16 ec = m->status & 0xffff;
-        u8 xec = (m->status >> 16) & 0xf;
+        u16 ec = EC(m->status);
+        u8 xec = XEC(m->status, xec_mask);
 
-        if (boot_cpu_data.x86 == 0x14) {
+        if (boot_cpu_data.x86 >= 0x14) {
                 pr_emerg("You shouldn't be seeing an LS MCE on this cpu family,"
                          " please report on LKML.\n");
                 return;
@@ -330,12 +481,12 @@ static void amd_decode_ls_mce(struct mce *m)
         pr_emerg(HW_ERR "Load Store Error");
 
         if (xec == 0x0) {
-                u8 r4 = (ec >> 4) & 0xf;
+                u8 r4 = R4(ec);
 
                 if (!BUS_ERROR(ec) || (r4 != R4_DRD && r4 != R4_DWR))
                         goto wrong_ls_mce;
 
-                pr_cont(" during %s.\n", RRRR_MSG(ec));
+                pr_cont(" during %s.\n", R4_MSG(ec));
         } else
                 goto wrong_ls_mce;
 
@@ -410,6 +561,15 @@ static bool f10h_nb_mce(u16 ec, u8 xec)
                 goto out;
                 break;
 
+        case 0x19:
+                if (boot_cpu_data.x86 == 0x15)
+                        pr_cont("Compute Unit Data Error.\n");
+                else
+                        ret = false;
+
+                goto out;
+                break;
+
         case 0x1c ... 0x1f:
                 offset = 24;
                 break;
@@ -434,27 +594,30 @@ static bool nb_noop_mce(u16 ec, u8 xec)
 
 void amd_decode_nb_mce(int node_id, struct mce *m, u32 nbcfg)
 {
-        u8 xec   = (m->status >> 16) & 0x1f;
-        u16 ec   = m->status & 0xffff;
+        u16 ec   = EC(m->status);
+        u8 xec   = XEC(m->status, 0x1f);
         u32 nbsh = (u32)(m->status >> 32);
+        int core = -1;
 
-        pr_emerg(HW_ERR "Northbridge Error, node %d: ", node_id);
+        pr_emerg(HW_ERR "Northbridge Error (node %d", node_id);
 
-        /*
-         * F10h, revD can disable ErrCpu[3:0] so check that first and also the
-         * value encoding has changed so interpret those differently
-         */
+        /* F10h, revD can disable ErrCpu[3:0] through ErrCpuVal */
         if ((boot_cpu_data.x86 == 0x10) &&
             (boot_cpu_data.x86_model > 7)) {
                 if (nbsh & K8_NBSH_ERR_CPU_VAL)
-                        pr_cont(", core: %u", (u8)(nbsh & nb_err_cpumask));
+                        core = nbsh & nb_err_cpumask;
         } else {
                 u8 assoc_cpus = nbsh & nb_err_cpumask;
 
                 if (assoc_cpus > 0)
-                        pr_cont(", core: %d", fls(assoc_cpus) - 1);
+                        core = fls(assoc_cpus) - 1;
         }
 
+        if (core >= 0)
+                pr_cont(", core %d): ", core);
+        else
+                pr_cont("): ");
+
         switch (xec) {
         case 0x2:
                 pr_cont("Sync error (sync packets on HT link detected).\n");
@@ -496,35 +659,89 @@ EXPORT_SYMBOL_GPL(amd_decode_nb_mce);
 
 static void amd_decode_fr_mce(struct mce *m)
 {
-        if (boot_cpu_data.x86 == 0xf ||
-            boot_cpu_data.x86 == 0x11)
+        struct cpuinfo_x86 *c = &boot_cpu_data;
+        u8 xec = XEC(m->status, xec_mask);
+
+        if (c->x86 == 0xf || c->x86 == 0x11)
                 goto wrong_fr_mce;
 
-        /* we have only one error signature so match all fields at once. */
-        if ((m->status & 0xffff) == 0x0f0f) {
-                pr_emerg(HW_ERR "FR Error: CPU Watchdog timer expire.\n");
-                return;
-        }
+        if (c->x86 != 0x15 && xec != 0x0)
+                goto wrong_fr_mce;
+
+        pr_emerg(HW_ERR "%s Error: ",
+                 (c->x86 == 0x15 ? "Execution Unit" : "FIROB"));
+
+        if (xec == 0x0 || xec == 0xc)
+                pr_cont("%s.\n", fr_ex_mce_desc[xec]);
+        else if (xec < 0xd)
+                pr_cont("%s parity error.\n", fr_ex_mce_desc[xec]);
+        else
+                goto wrong_fr_mce;
+
+        return;
 
 wrong_fr_mce:
         pr_emerg(HW_ERR "Corrupted FR MCE info?\n");
 }
 
+static void amd_decode_fp_mce(struct mce *m)
+{
+        u8 xec = XEC(m->status, xec_mask);
+
+        pr_emerg(HW_ERR "Floating Point Unit Error: ");
+
+        switch (xec) {
+        case 0x1:
+                pr_cont("Free List");
+                break;
+
+        case 0x2:
+                pr_cont("Physical Register File");
+                break;
+
+        case 0x3:
+                pr_cont("Retire Queue");
+                break;
+
+        case 0x4:
+                pr_cont("Scheduler table");
+                break;
+
+        case 0x5:
+                pr_cont("Status Register File");
+                break;
+
+        default:
+                goto wrong_fp_mce;
+                break;
+        }
+
+        pr_cont(" parity error.\n");
+
+        return;
+
+wrong_fp_mce:
+        pr_emerg(HW_ERR "Corrupted FP MCE info?\n");
+}
+
 static inline void amd_decode_err_code(u16 ec)
 {
-        if (TLB_ERROR(ec)) {
-                pr_emerg(HW_ERR "Transaction: %s, Cache Level: %s\n",
-                         TT_MSG(ec), LL_MSG(ec));
-        } else if (MEM_ERROR(ec)) {
-                pr_emerg(HW_ERR "Transaction: %s, Type: %s, Cache Level: %s\n",
-                         RRRR_MSG(ec), TT_MSG(ec), LL_MSG(ec));
-        } else if (BUS_ERROR(ec)) {
-                pr_emerg(HW_ERR "Transaction: %s (%s), %s, Cache Level: %s, "
-                         "Participating Processor: %s\n",
-                          RRRR_MSG(ec), II_MSG(ec), TO_MSG(ec), LL_MSG(ec),
-                          PP_MSG(ec));
-        } else
-                pr_emerg(HW_ERR "Huh? Unknown MCE error 0x%x\n", ec);
+
+        pr_emerg(HW_ERR "cache level: %s", LL_MSG(ec));
+
+        if (BUS_ERROR(ec))
+                pr_cont(", mem/io: %s", II_MSG(ec));
+        else
+                pr_cont(", tx: %s", TT_MSG(ec));
+
+        if (MEM_ERROR(ec) || BUS_ERROR(ec)) {
+                pr_cont(", mem-tx: %s", R4_MSG(ec));
+
+                if (BUS_ERROR(ec))
+                        pr_cont(", part-proc: %s (%s)", PP_MSG(ec), TO_MSG(ec));
+        }
+
+        pr_cont("\n");
 }
 
 /*
@@ -546,25 +763,32 @@ static bool amd_filter_mce(struct mce *m)
 int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data)
 {
         struct mce *m = (struct mce *)data;
+        struct cpuinfo_x86 *c = &boot_cpu_data;
         int node, ecc;
 
         if (amd_filter_mce(m))
                 return NOTIFY_STOP;
 
-        pr_emerg(HW_ERR "MC%d_STATUS: ", m->bank);
+        pr_emerg(HW_ERR "MC%d_STATUS[%s|%s|%s|%s|%s",
+                m->bank,
+                ((m->status & MCI_STATUS_OVER)  ? "Over"  : "-"),
+                ((m->status & MCI_STATUS_UC)    ? "UE"    : "CE"),
+                ((m->status & MCI_STATUS_MISCV) ? "MiscV" : "-"),
+                ((m->status & MCI_STATUS_PCC)   ? "PCC"   : "-"),
+                ((m->status & MCI_STATUS_ADDRV) ? "AddrV" : "-"));
 
-        pr_cont("%sorrected error, other errors lost: %s, "
-                 "CPU context corrupt: %s",
-                 ((m->status & MCI_STATUS_UC) ? "Unc"  : "C"),
-                 ((m->status & MCI_STATUS_OVER) ? "yes"  : "no"),
-                 ((m->status & MCI_STATUS_PCC) ? "yes" : "no"));
+        if (c->x86 == 0x15)
+                pr_cont("|%s|%s",
+                        ((m->status & BIT_64(44)) ? "Deferred" : "-"),
+                        ((m->status & BIT_64(43)) ? "Poison"   : "-"));
 
         /* do the two bits[14:13] together */
         ecc = (m->status >> 45) & 0x3;
         if (ecc)
-                pr_cont(", %sECC Error", ((ecc == 2) ? "C" : "U"));
+                pr_cont("|%sECC", ((ecc == 2) ? "C" : "U"));
+
+        pr_cont("]: 0x%016llx\n", m->status);
 
-        pr_cont("\n");
 
         switch (m->bank) {
         case 0:
@@ -576,7 +800,10 @@ int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data)
                 break;
 
         case 2:
-                amd_decode_bu_mce(m);
+                if (c->x86 == 0x15)
+                        amd_decode_cu_mce(m);
+                else
+                        amd_decode_bu_mce(m);
                 break;
 
         case 3:
@@ -592,6 +819,10 @@ int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data)
                 amd_decode_fr_mce(m);
                 break;
 
+        case 6:
+                amd_decode_fp_mce(m);
+                break;
+
         default:
                 break;
         }
@@ -608,18 +839,21 @@ static struct notifier_block amd_mce_dec_nb = {
 
 static int __init mce_amd_init(void)
 {
-        if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD)
+        struct cpuinfo_x86 *c = &boot_cpu_data;
+
+        if (c->x86_vendor != X86_VENDOR_AMD)
                 return 0;
 
-        if ((boot_cpu_data.x86 < 0xf || boot_cpu_data.x86 > 0x12) &&
-            (boot_cpu_data.x86 != 0x14 || boot_cpu_data.x86_model > 0xf))
+        if ((c->x86 < 0xf || c->x86 > 0x12) &&
+            (c->x86 != 0x14 || c->x86_model > 0xf) &&
+            (c->x86 != 0x15 || c->x86_model > 0xf))
                 return 0;
 
         fam_ops = kzalloc(sizeof(struct amd_decoder_ops), GFP_KERNEL);
         if (!fam_ops)
                 return -ENOMEM;
 
-        switch (boot_cpu_data.x86) {
+        switch (c->x86) {
         case 0xf:
                 fam_ops->dc_mce = k8_dc_mce;
                 fam_ops->ic_mce = k8_ic_mce;
@@ -651,9 +885,15 @@ static int __init mce_amd_init(void)
                 fam_ops->nb_mce = nb_noop_mce;
                 break;
 
+        case 0x15:
+                xec_mask = 0x1f;
+                fam_ops->dc_mce = f15h_dc_mce;
+                fam_ops->ic_mce = f15h_ic_mce;
+                fam_ops->nb_mce = f10h_nb_mce;
+                break;
+
         default:
-                printk(KERN_WARNING "Huh? What family is that: %d?!\n",
-                                    boot_cpu_data.x86);
+                printk(KERN_WARNING "Huh? What family is that: %d?!\n", c->x86);
                 kfree(fam_ops);
                 return -EINVAL;
         }
diff --git a/drivers/edac/mce_amd.h b/drivers/edac/mce_amd.h
index 35f6e0e3b297..45dda47173f2 100644
--- a/drivers/edac/mce_amd.h
+++ b/drivers/edac/mce_amd.h
@@ -7,8 +7,8 @@
 
 #define BIT_64(n)                       (U64_C(1) << (n))
 
-#define ERROR_CODE(x)                   ((x) & 0xffff)
-#define EXT_ERROR_CODE(x)               (((x) >> 16) & 0x1f)
+#define EC(x)                           ((x) & 0xffff)
+#define XEC(x, mask)                    (((x) >> 16) & mask)
 
 #define LOW_SYNDROME(x)                 (((x) >> 15) & 0xff)
 #define HIGH_SYNDROME(x)                (((x) >> 24) & 0xff)
@@ -21,15 +21,15 @@
 #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(x)                           ((x) & 0x3)
 #define LL_MSG(x)                       ll_msgs[LL(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 RRRR(x)                         (((x) >> 4) & 0xf)
-#define RRRR_MSG(x)                     ((RRRR(x) < 9) ?  rrrr_msgs[RRRR(x)] : "Wrong R4!")
+#define R4(x)                           (((x) >> 4) & 0xf)
+#define R4_MSG(x)                       ((R4(x) < 9) ?  rrrr_msgs[R4(x)] : "Wrong R4!")
 
 #define K8_NBSH                         0x4C
 
@@ -100,8 +100,8 @@ struct err_regs {
  * per-family decoder ops
  */
 struct amd_decoder_ops {
-        bool (*dc_mce)(u16);
-        bool (*ic_mce)(u16);
+        bool (*dc_mce)(u16, u8);
+        bool (*ic_mce)(u16, u8);
         bool (*nb_mce)(u16, u8);
 };
 
diff --git a/drivers/edac/mce_amd_inj.c b/drivers/edac/mce_amd_inj.c
index 39faded3cadd..733a7e7a8d6f 100644
--- a/drivers/edac/mce_amd_inj.c
+++ b/drivers/edac/mce_amd_inj.c
@@ -88,10 +88,11 @@ static ssize_t edac_inject_bank_store(struct kobject *kobj,
                 return -EINVAL;
         }
 
-        if (value > 5) {
-                printk(KERN_ERR "Non-existant MCE bank: %lu\n", value);
-                return -EINVAL;
-        }
+        if (value > 5)
+                if (boot_cpu_data.x86 != 0x15 || value > 6) {
+                        printk(KERN_ERR "Non-existant MCE bank: %lu\n", value);
+                        return -EINVAL;
+                }
 
         i_mce.bank = value;