#define AER_AGENT_COMPLETER 2
#define AER_AGENT_TRANSMITTER 3
-#define AER_AGENT_REQUESTER_MASK (PCI_ERR_UNC_COMP_TIME| \
- PCI_ERR_UNC_UNSUP)
-
-#define AER_AGENT_COMPLETER_MASK PCI_ERR_UNC_COMP_ABORT
-
-#define AER_AGENT_TRANSMITTER_MASK(t, e) (e & (PCI_ERR_COR_REP_ROLL| \
- ((t == AER_CORRECTABLE) ? PCI_ERR_COR_REP_TIMER: 0)))
+#define AER_AGENT_REQUESTER_MASK(t) ((t == AER_CORRECTABLE) ? \
+ 0 : (PCI_ERR_UNC_COMP_TIME|PCI_ERR_UNC_UNSUP))
+#define AER_AGENT_COMPLETER_MASK(t) ((t == AER_CORRECTABLE) ? \
+ 0 : PCI_ERR_UNC_COMP_ABORT)
+#define AER_AGENT_TRANSMITTER_MASK(t) ((t == AER_CORRECTABLE) ? \
+ (PCI_ERR_COR_REP_ROLL|PCI_ERR_COR_REP_TIMER) : 0)
#define AER_GET_AGENT(t, e) \
- ((e & AER_AGENT_COMPLETER_MASK) ? AER_AGENT_COMPLETER : \
- (e & AER_AGENT_REQUESTER_MASK) ? AER_AGENT_REQUESTER : \
- (AER_AGENT_TRANSMITTER_MASK(t, e)) ? AER_AGENT_TRANSMITTER : \
+ ((e & AER_AGENT_COMPLETER_MASK(t)) ? AER_AGENT_COMPLETER : \
+ (e & AER_AGENT_REQUESTER_MASK(t)) ? AER_AGENT_REQUESTER : \
+ (e & AER_AGENT_TRANSMITTER_MASK(t)) ? AER_AGENT_TRANSMITTER : \
AER_AGENT_RECEIVER)
-#define AER_PHYSICAL_LAYER_ERROR_MASK PCI_ERR_COR_RCVR
-#define AER_DATA_LINK_LAYER_ERROR_MASK(t, e) \
- (PCI_ERR_UNC_DLP| \
- PCI_ERR_COR_BAD_TLP| \
- PCI_ERR_COR_BAD_DLLP| \
- PCI_ERR_COR_REP_ROLL| \
- ((t == AER_CORRECTABLE) ? \
- PCI_ERR_COR_REP_TIMER: 0))
-
#define AER_PHYSICAL_LAYER_ERROR 0
#define AER_DATA_LINK_LAYER_ERROR 1
#define AER_TRANSACTION_LAYER_ERROR 2
-#define AER_GET_LAYER_ERROR(t, e) \
- ((e & AER_PHYSICAL_LAYER_ERROR_MASK) ? \
- AER_PHYSICAL_LAYER_ERROR : \
- (e & AER_DATA_LINK_LAYER_ERROR_MASK(t, e)) ? \
- AER_DATA_LINK_LAYER_ERROR : \
- AER_TRANSACTION_LAYER_ERROR)
+#define AER_PHYSICAL_LAYER_ERROR_MASK(t) ((t == AER_CORRECTABLE) ? \
+ PCI_ERR_COR_RCVR : 0)
+#define AER_DATA_LINK_LAYER_ERROR_MASK(t) ((t == AER_CORRECTABLE) ? \
+ (PCI_ERR_COR_BAD_TLP| \
+ PCI_ERR_COR_BAD_DLLP| \
+ PCI_ERR_COR_REP_ROLL| \
+ PCI_ERR_COR_REP_TIMER) : PCI_ERR_UNC_DLP)
+
+#define AER_GET_LAYER_ERROR(t, e) \
+ ((e & AER_PHYSICAL_LAYER_ERROR_MASK(t)) ? AER_PHYSICAL_LAYER_ERROR : \
+ (e & AER_DATA_LINK_LAYER_ERROR_MASK(t)) ? AER_DATA_LINK_LAYER_ERROR : \
+ AER_TRANSACTION_LAYER_ERROR)
+
+#define AER_PR(info, fmt, args...) \
+ printk("%s" fmt, (info->severity == AER_CORRECTABLE) ? \
+ KERN_WARNING : KERN_ERR, ## args)
/*
* AER error strings
*/
-static char* aer_error_severity_string[] = {
+static char *aer_error_severity_string[] = {
"Uncorrected (Non-Fatal)",
"Uncorrected (Fatal)",
"Corrected"
};
-static char* aer_error_layer[] = {
+static char *aer_error_layer[] = {
"Physical Layer",
"Data Link Layer",
"Transaction Layer"
};
-static char* aer_correctable_error_string[] = {
- "Receiver Error ", /* Bit Position 0 */
+static char *aer_correctable_error_string[] = {
+ "Receiver Error ", /* Bit Position 0 */
NULL,
NULL,
NULL,
NULL,
NULL,
- "Bad TLP ", /* Bit Position 6 */
- "Bad DLLP ", /* Bit Position 7 */
- "RELAY_NUM Rollover ", /* Bit Position 8 */
+ "Bad TLP ", /* Bit Position 6 */
+ "Bad DLLP ", /* Bit Position 7 */
+ "RELAY_NUM Rollover ", /* Bit Position 8 */
NULL,
NULL,
NULL,
- "Replay Timer Timeout ", /* Bit Position 12 */
- "Advisory Non-Fatal ", /* Bit Position 13 */
+ "Replay Timer Timeout ", /* Bit Position 12 */
+ "Advisory Non-Fatal ", /* Bit Position 13 */
NULL,
NULL,
NULL,
NULL,
};
-static char* aer_uncorrectable_error_string[] = {
+static char *aer_uncorrectable_error_string[] = {
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
- "Poisoned TLP ", /* Bit Position 12 */
+ "Poisoned TLP ", /* Bit Position 12 */
"Flow Control Protocol ", /* Bit Position 13 */
- "Completion Timeout ", /* Bit Position 14 */
- "Completer Abort ", /* Bit Position 15 */
+ "Completion Timeout ", /* Bit Position 14 */
+ "Completer Abort ", /* Bit Position 15 */
"Unexpected Completion ", /* Bit Position 16 */
"Receiver Overflow ", /* Bit Position 17 */
"Malformed TLP ", /* Bit Position 18 */
NULL,
};
-static char* aer_agent_string[] = {
+static char *aer_agent_string[] = {
"Receiver ID",
"Requester ID",
"Completer ID",
"Transmitter ID"
};
-static char * aer_get_error_source_name(int severity,
- unsigned int status,
- char errmsg_buff[])
+static void aer_print_error_source(struct aer_err_info *info)
{
- int i;
- char * errmsg = NULL;
+ int i, status;
+ char *errmsg = NULL;
+
+ status = (info->status & ~info->mask);
for (i = 0; i < 32; i++) {
if (!(status & (1 << i)))
continue;
- if (severity == AER_CORRECTABLE)
+ if (info->severity == AER_CORRECTABLE)
errmsg = aer_correctable_error_string[i];
else
errmsg = aer_uncorrectable_error_string[i];
- if (!errmsg) {
- sprintf(errmsg_buff, "Unknown Error Bit %2d ", i);
- errmsg = errmsg_buff;
- }
+ if (errmsg)
+ AER_PR(info, "%s\t:\n", errmsg);
+ else
+ AER_PR(info, "Unknown Error Bit %2d \t:\n", i);
break;
}
-
- return errmsg;
}
-static DEFINE_SPINLOCK(logbuf_lock);
-static char errmsg_buff[100];
void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)
{
- char * errmsg;
int err_layer, agent;
- char * loglevel;
+ int id = ((dev->bus->number << 8) | dev->devfn);
- if (info->severity == AER_CORRECTABLE)
- loglevel = KERN_WARNING;
- else
- loglevel = KERN_ERR;
-
- printk("%s+------ PCI-Express Device Error ------+\n", loglevel);
- printk("%sError Severity\t\t: %s\n", loglevel,
+ AER_PR(info, "+------ PCI-Express Device Error ------+\n");
+ AER_PR(info, "Error Severity\t\t: %s\n",
aer_error_severity_string[info->severity]);
- if ( info->status == 0) {
- printk("%sPCIE Bus Error type\t: (Unaccessible)\n", loglevel);
- printk("%sUnaccessible Received\t: %s\n", loglevel,
- info->flags & AER_MULTI_ERROR_VALID_FLAG ?
- "Multiple" : "First");
- printk("%sUnregistered Agent ID\t: %04x\n", loglevel,
- (dev->bus->number << 8) | dev->devfn);
+ if (info->status == 0) {
+ AER_PR(info, "PCIE Bus Error type\t: (Unaccessible)\n");
+ AER_PR(info, "Unregistered Agent ID\t: %04x\n", id);
} else {
err_layer = AER_GET_LAYER_ERROR(info->severity, info->status);
- printk("%sPCIE Bus Error type\t: %s\n", loglevel,
+ AER_PR(info, "PCIE Bus Error type\t: %s\n",
aer_error_layer[err_layer]);
- spin_lock(&logbuf_lock);
- errmsg = aer_get_error_source_name(info->severity,
- info->status,
- errmsg_buff);
- printk("%s%s\t: %s\n", loglevel, errmsg,
- info->flags & AER_MULTI_ERROR_VALID_FLAG ?
- "Multiple" : "First");
- spin_unlock(&logbuf_lock);
+ aer_print_error_source(info);
agent = AER_GET_AGENT(info->severity, info->status);
- printk("%s%s\t\t: %04x\n", loglevel,
- aer_agent_string[agent],
- (dev->bus->number << 8) | dev->devfn);
+ AER_PR(info, "%s\t\t: %04x\n", aer_agent_string[agent], id);
- printk("%sVendorID=%04xh, DeviceID=%04xh,"
+ AER_PR(info, "VendorID=%04xh, DeviceID=%04xh,"
" Bus=%02xh, Device=%02xh, Function=%02xh\n",
- loglevel,
dev->vendor,
dev->device,
dev->bus->number,
if (info->flags & AER_TLP_HEADER_VALID_FLAG) {
unsigned char *tlp = (unsigned char *) &info->tlp;
- printk("%sTLP Header:\n", loglevel);
- printk("%s%02x%02x%02x%02x %02x%02x%02x%02x"
+ AER_PR(info, "TLP Header:\n");
+ AER_PR(info, "%02x%02x%02x%02x %02x%02x%02x%02x"
" %02x%02x%02x%02x %02x%02x%02x%02x\n",
- loglevel,
*(tlp + 3), *(tlp + 2), *(tlp + 1), *tlp,
*(tlp + 7), *(tlp + 6), *(tlp + 5), *(tlp + 4),
*(tlp + 11), *(tlp + 10), *(tlp + 9),
*(tlp + 13), *(tlp + 12));
}
}
-}
+ if (info->id && info->error_dev_num > 1 && info->id == id)
+ AER_PR(info, "Error of this Agent(%04x) is reported first\n",
+ id);
+}