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yaml
---
r: 359988
b: refs/heads/master
c: 689c9cd
h: refs/heads/master
v: v3
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Mauro Carvalho Chehab committed Feb 25, 2013
1 parent 9de2b77 commit 90faf2f
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Showing 2 changed files with 181 additions and 16 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: d2a6856614fd34e36352146307a5655efbdbc14d
refs/heads/master: 689c9cd8128f13bf9843a3e133423f5e3e0ce4aa
195 changes: 180 additions & 15 deletions trunk/drivers/edac/ghes_edac.c
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,10 @@ struct ghes_edac_pvt {
struct list_head list;
struct ghes *ghes;
struct mem_ctl_info *mci;

/* Buffers for the error handling routine */
char other_detail[160];
char msg[80];
};

static LIST_HEAD(ghes_reglist);
Expand Down Expand Up @@ -186,6 +190,7 @@ void ghes_edac_report_mem_error(struct ghes *ghes, int sev,
struct edac_raw_error_desc *e;
struct mem_ctl_info *mci;
struct ghes_edac_pvt *pvt = NULL;
char *p;

list_for_each_entry(pvt, &ghes_reglist, list) {
if (ghes == pvt->ghes)
Expand All @@ -201,15 +206,14 @@ void ghes_edac_report_mem_error(struct ghes *ghes, int sev,
/* Cleans the error report buffer */
memset(e, 0, sizeof (*e));
e->error_count = 1;
e->msg = "APEI";
strcpy(e->label, "unknown");
e->other_detail = "";

if (mem_err->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS) {
e->page_frame_number = mem_err->physical_addr >> PAGE_SHIFT;
e->offset_in_page = mem_err->physical_addr & ~PAGE_MASK;
e->grain = ~(mem_err->physical_addr_mask & ~PAGE_MASK);
}
strcpy(e->label, "unknown label");
e->msg = pvt->msg;
e->other_detail = pvt->other_detail;
e->top_layer = -1;
e->mid_layer = -1;
e->low_layer = -1;
*pvt->other_detail = '\0';
*pvt->msg = '\0';

switch (sev) {
case GHES_SEV_CORRECTED:
Expand All @@ -226,12 +230,173 @@ void ghes_edac_report_mem_error(struct ghes *ghes, int sev,
type = HW_EVENT_ERR_INFO;
}

sprintf(e->location,
"node:%d card:%d module:%d bank:%d device:%d row: %d column:%d bit_pos:%d",
mem_err->node, mem_err->card, mem_err->module,
mem_err->bank, mem_err->device, mem_err->row, mem_err->column,
mem_err->bit_pos);
edac_dbg(3, "error at location %s\n", e->location);
edac_dbg(1, "error validation_bits: 0x%08llx\n",
(long long)mem_err->validation_bits);

/* Error type, mapped on e->msg */
if (mem_err->validation_bits & CPER_MEM_VALID_ERROR_TYPE) {
p = pvt->msg;
switch (mem_err->error_type) {
case 0:
p += sprintf(p, "Unknown");
break;
case 1:
p += sprintf(p, "No error");
break;
case 2:
p += sprintf(p, "Single-bit ECC");
break;
case 3:
p += sprintf(p, "Multi-bit ECC");
break;
case 4:
p += sprintf(p, "Single-symbol ChipKill ECC");
break;
case 5:
p += sprintf(p, "Multi-symbol ChipKill ECC");
break;
case 6:
p += sprintf(p, "Master abort");
break;
case 7:
p += sprintf(p, "Target abort");
break;
case 8:
p += sprintf(p, "Parity Error");
break;
case 9:
p += sprintf(p, "Watchdog timeout");
break;
case 10:
p += sprintf(p, "Invalid address");
break;
case 11:
p += sprintf(p, "Mirror Broken");
break;
case 12:
p += sprintf(p, "Memory Sparing");
break;
case 13:
p += sprintf(p, "Scrub corrected error");
break;
case 14:
p += sprintf(p, "Scrub uncorrected error");
break;
case 15:
p += sprintf(p, "Physical Memory Map-out event");
break;
default:
p += sprintf(p, "reserved error (%d)",
mem_err->error_type);
}
} else {
strcpy(pvt->msg, "unknown error");
}

/* Error address */
if (mem_err->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS) {
e->page_frame_number = mem_err->physical_addr >> PAGE_SHIFT;
e->offset_in_page = mem_err->physical_addr & ~PAGE_MASK;
}

/* Error grain */
if (mem_err->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS_MASK) {
e->grain = ~(mem_err->physical_addr_mask & ~PAGE_MASK);
}

/* Memory error location, mapped on e->location */
p = e->location;
if (mem_err->validation_bits & CPER_MEM_VALID_NODE)
p += sprintf(p, "node:%d ", mem_err->node);
if (mem_err->validation_bits & CPER_MEM_VALID_CARD)
p += sprintf(p, "card:%d ", mem_err->card);
if (mem_err->validation_bits & CPER_MEM_VALID_MODULE)
p += sprintf(p, "module:%d ", mem_err->module);
if (mem_err->validation_bits & CPER_MEM_VALID_BANK)
p += sprintf(p, "bank:%d ", mem_err->bank);
if (mem_err->validation_bits & CPER_MEM_VALID_ROW)
p += sprintf(p, "row:%d ", mem_err->row);
if (mem_err->validation_bits & CPER_MEM_VALID_COLUMN)
p += sprintf(p, "col:%d ", mem_err->column);
if (mem_err->validation_bits & CPER_MEM_VALID_BIT_POSITION)
p += sprintf(p, "bit_pos:%d ", mem_err->bit_pos);
if (p > e->location)
*(p - 1) = '\0';

/* All other fields are mapped on e->other_detail */
p = pvt->other_detail;
if (mem_err->validation_bits & CPER_MEM_VALID_ERROR_STATUS) {
u64 status = mem_err->error_status;

p += sprintf(p, "status(0x%016llx): ", (long long)status);
switch ((status >> 8) & 0xff) {
case 1:
p += sprintf(p, "Error detected internal to the component ");
break;
case 16:
p += sprintf(p, "Error detected in the bus ");
break;
case 4:
p += sprintf(p, "Storage error in DRAM memory ");
break;
case 5:
p += sprintf(p, "Storage error in TLB ");
break;
case 6:
p += sprintf(p, "Storage error in cache ");
break;
case 7:
p += sprintf(p, "Error in one or more functional units ");
break;
case 8:
p += sprintf(p, "component failed self test ");
break;
case 9:
p += sprintf(p, "Overflow or undervalue of internal queue ");
break;
case 17:
p += sprintf(p, "Virtual address not found on IO-TLB or IO-PDIR ");
break;
case 18:
p += sprintf(p, "Improper access error ");
break;
case 19:
p += sprintf(p, "Access to a memory address which is not mapped to any component ");
break;
case 20:
p += sprintf(p, "Loss of Lockstep ");
break;
case 21:
p += sprintf(p, "Response not associated with a request ");
break;
case 22:
p += sprintf(p, "Bus parity error - must also set the A, C, or D Bits ");
break;
case 23:
p += sprintf(p, "Detection of a PATH_ERROR ");
break;
case 25:
p += sprintf(p, "Bus operation timeout ");
break;
case 26:
p += sprintf(p, "A read was issued to data that has been poisoned ");
break;
default:
p += sprintf(p, "reserved ");
break;
}
}
if (mem_err->validation_bits & CPER_MEM_VALID_REQUESTOR_ID)
p += sprintf(p, "requestorID: 0x%016llx ",
(long long)mem_err->requestor_id);
if (mem_err->validation_bits & CPER_MEM_VALID_RESPONDER_ID)
p += sprintf(p, "responderID: 0x%016llx ",
(long long)mem_err->responder_id);
if (mem_err->validation_bits & CPER_MEM_VALID_TARGET_ID)
p += sprintf(p, "targetID: 0x%016llx ",
(long long)mem_err->responder_id);
if (p > pvt->other_detail)
*(p - 1) = '\0';

edac_raw_mc_handle_error(type, mci, e);
}
Expand Down

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