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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-30 22:43:32 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-30 22:43:32 (GMT)
commitb48aeab65e9fc4b0c9757c5fbc1d722544eb8786 (patch)
tree0bfce428f067ca9cf06d971ba8795ad69ca610e2
parent1bc87b00556e8f7ba30a1010471951c5b8f71114 (diff)
parent1f6189ed18cbd99d90bffdbc76c3adc54418b2fd (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: amd64_edac: Cleanup return type of amd64_determine_edac_cap() amd64_edac: Add a fix for Erratum 505 EDAC, MCE, AMD: Simplify NB MCE decoder interface EDAC, MCE, AMD: Drop local coreid reporting EDAC, MCE, AMD: Print valid addr when reporting an error EDAC, MCE, AMD: Print CPU number when reporting the error
-rw-r--r--drivers/edac/amd64_edac.c37
-rw-r--r--drivers/edac/mce_amd.c46
-rw-r--r--drivers/edac/mce_amd.h6
3 files changed, 44 insertions, 45 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 9a8bebc..c9eee6d 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -114,10 +114,22 @@ static int f10_read_dct_pci_cfg(struct amd64_pvt *pvt, int addr, u32 *val,
return __amd64_read_pci_cfg_dword(pvt->F2, addr, val, func);
}
+/*
+ * Select DCT to which PCI cfg accesses are routed
+ */
+static void f15h_select_dct(struct amd64_pvt *pvt, u8 dct)
+{
+ u32 reg = 0;
+
+ amd64_read_pci_cfg(pvt->F1, DCT_CFG_SEL, &reg);
+ reg &= 0xfffffffe;
+ reg |= dct;
+ amd64_write_pci_cfg(pvt->F1, DCT_CFG_SEL, reg);
+}
+
static int f15_read_dct_pci_cfg(struct amd64_pvt *pvt, int addr, u32 *val,
const char *func)
{
- u32 reg = 0;
u8 dct = 0;
if (addr >= 0x140 && addr <= 0x1a0) {
@@ -125,10 +137,7 @@ static int f15_read_dct_pci_cfg(struct amd64_pvt *pvt, int addr, u32 *val,
addr -= 0x100;
}
- amd64_read_pci_cfg(pvt->F1, DCT_CFG_SEL, &reg);
- reg &= 0xfffffffe;
- reg |= dct;
- amd64_write_pci_cfg(pvt->F1, DCT_CFG_SEL, reg);
+ f15h_select_dct(pvt, dct);
return __amd64_read_pci_cfg_dword(pvt->F2, addr, val, func);
}
@@ -198,6 +207,10 @@ static int amd64_set_scrub_rate(struct mem_ctl_info *mci, u32 bw)
if (boot_cpu_data.x86 == 0xf)
min_scrubrate = 0x0;
+ /* F15h Erratum #505 */
+ if (boot_cpu_data.x86 == 0x15)
+ f15h_select_dct(pvt, 0);
+
return __amd64_set_scrub_rate(pvt->F3, bw, min_scrubrate);
}
@@ -207,6 +220,10 @@ static int amd64_get_scrub_rate(struct mem_ctl_info *mci)
u32 scrubval = 0;
int i, retval = -EINVAL;
+ /* F15h Erratum #505 */
+ if (boot_cpu_data.x86 == 0x15)
+ f15h_select_dct(pvt, 0);
+
amd64_read_pci_cfg(pvt->F3, SCRCTRL, &scrubval);
scrubval = scrubval & 0x001F;
@@ -751,10 +768,10 @@ static int get_channel_from_ecc_syndrome(struct mem_ctl_info *, u16);
* Determine if the DIMMs have ECC enabled. ECC is enabled ONLY if all the DIMMs
* are ECC capable.
*/
-static enum edac_type amd64_determine_edac_cap(struct amd64_pvt *pvt)
+static unsigned long amd64_determine_edac_cap(struct amd64_pvt *pvt)
{
u8 bit;
- enum dev_type edac_cap = EDAC_FLAG_NONE;
+ unsigned long edac_cap = EDAC_FLAG_NONE;
bit = (boot_cpu_data.x86 > 0xf || pvt->ext_model >= K8_REV_F)
? 19
@@ -1953,11 +1970,9 @@ static inline void __amd64_decode_bus_error(struct mem_ctl_info *mci,
amd64_handle_ue(mci, m);
}
-void amd64_decode_bus_error(int node_id, struct mce *m, u32 nbcfg)
+void amd64_decode_bus_error(int node_id, struct mce *m)
{
- struct mem_ctl_info *mci = mcis[node_id];
-
- __amd64_decode_bus_error(mci, m);
+ __amd64_decode_bus_error(mcis[node_id], m);
}
/*
diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c
index 795cfbc..d0864d9 100644
--- a/drivers/edac/mce_amd.c
+++ b/drivers/edac/mce_amd.c
@@ -9,7 +9,7 @@ static u8 xec_mask = 0xf;
static u8 nb_err_cpumask = 0xf;
static bool report_gart_errors;
-static void (*nb_bus_decoder)(int node_id, struct mce *m, u32 nbcfg);
+static void (*nb_bus_decoder)(int node_id, struct mce *m);
void amd_report_gart_errors(bool v)
{
@@ -17,13 +17,13 @@ void amd_report_gart_errors(bool v)
}
EXPORT_SYMBOL_GPL(amd_report_gart_errors);
-void amd_register_ecc_decoder(void (*f)(int, struct mce *, u32))
+void amd_register_ecc_decoder(void (*f)(int, struct mce *))
{
nb_bus_decoder = f;
}
EXPORT_SYMBOL_GPL(amd_register_ecc_decoder);
-void amd_unregister_ecc_decoder(void (*f)(int, struct mce *, u32))
+void amd_unregister_ecc_decoder(void (*f)(int, struct mce *))
{
if (nb_bus_decoder) {
WARN_ON(nb_bus_decoder != f);
@@ -592,31 +592,14 @@ static bool nb_noop_mce(u16 ec, u8 xec)
return false;
}
-void amd_decode_nb_mce(int node_id, struct mce *m, u32 nbcfg)
+void amd_decode_nb_mce(struct mce *m)
{
struct cpuinfo_x86 *c = &boot_cpu_data;
- 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);
-
- /* F10h, revD can disable ErrCpu[3:0] through ErrCpuVal */
- if (c->x86 == 0x10 && c->x86_model > 7) {
- if (nbsh & NBSH_ERR_CPU_VAL)
- core = nbsh & nb_err_cpumask;
- } else {
- u8 assoc_cpus = nbsh & nb_err_cpumask;
-
- if (assoc_cpus > 0)
- core = fls(assoc_cpus) - 1;
- }
+ int node_id = amd_get_nb_id(m->extcpu);
+ u16 ec = EC(m->status);
+ u8 xec = XEC(m->status, 0x1f);
- if (core >= 0)
- pr_cont(", core %d): ", core);
- else
- pr_cont("): ");
+ pr_emerg(HW_ERR "Northbridge Error (node %d): ", node_id);
switch (xec) {
case 0x2:
@@ -648,7 +631,7 @@ void amd_decode_nb_mce(int node_id, struct mce *m, u32 nbcfg)
if (c->x86 == 0xf || c->x86 == 0x10 || c->x86 == 0x15)
if ((xec == 0x8 || xec == 0x0) && nb_bus_decoder)
- nb_bus_decoder(node_id, m, nbcfg);
+ nb_bus_decoder(node_id, m);
return;
@@ -764,13 +747,13 @@ 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;
+ int ecc;
if (amd_filter_mce(m))
return NOTIFY_STOP;
- pr_emerg(HW_ERR "MC%d_STATUS[%s|%s|%s|%s|%s",
- m->bank,
+ pr_emerg(HW_ERR "CPU:%d\tMC%d_STATUS[%s|%s|%s|%s|%s",
+ m->extcpu, m->bank,
((m->status & MCI_STATUS_OVER) ? "Over" : "-"),
((m->status & MCI_STATUS_UC) ? "UE" : "CE"),
((m->status & MCI_STATUS_MISCV) ? "MiscV" : "-"),
@@ -789,6 +772,8 @@ int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data)
pr_cont("]: 0x%016llx\n", m->status);
+ if (m->status & MCI_STATUS_ADDRV)
+ pr_emerg(HW_ERR "\tMC%d_ADDR: 0x%016llx\n", m->bank, m->addr);
switch (m->bank) {
case 0:
@@ -811,8 +796,7 @@ int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data)
break;
case 4:
- node = amd_get_nb_id(m->extcpu);
- amd_decode_nb_mce(node, m, 0);
+ amd_decode_nb_mce(m);
break;
case 5:
diff --git a/drivers/edac/mce_amd.h b/drivers/edac/mce_amd.h
index 795a320..0106747 100644
--- a/drivers/edac/mce_amd.h
+++ b/drivers/edac/mce_amd.h
@@ -86,9 +86,9 @@ struct amd_decoder_ops {
};
void amd_report_gart_errors(bool);
-void amd_register_ecc_decoder(void (*f)(int, struct mce *, u32));
-void amd_unregister_ecc_decoder(void (*f)(int, struct mce *, u32));
-void amd_decode_nb_mce(int, struct mce *, u32);
+void amd_register_ecc_decoder(void (*f)(int, struct mce *));
+void amd_unregister_ecc_decoder(void (*f)(int, struct mce *));
+void amd_decode_nb_mce(struct mce *);
int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data);
#endif /* _EDAC_MCE_AMD_H */

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