diff mbox

[1/2] PCIe, AER, use pre-generated prefix in error information printing

Message ID 1296437774-7375-1-git-send-email-ying.huang@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Huang, Ying Jan. 31, 2011, 1:36 a.m. UTC
None
diff mbox

Patch

--- a/drivers/pci/pcie/aer/aerdrv_errprint.c
+++ b/drivers/pci/pcie/aer/aerdrv_errprint.c
@@ -57,86 +57,44 @@ 
 	(e & AER_DATA_LINK_LAYER_ERROR_MASK(t)) ? AER_DATA_LINK_LAYER_ERROR : \
 	AER_TRANSACTION_LAYER_ERROR)
 
-#define AER_PR(info, pdev, fmt, args...)				\
-	printk("%s%s %s: " fmt, (info->severity == AER_CORRECTABLE) ?	\
-		KERN_WARNING : KERN_ERR, dev_driver_string(&pdev->dev),	\
-		dev_name(&pdev->dev), ## args)
-
 /*
  * AER error strings
  */
-static char *aer_error_severity_string[] = {
+static const char * const aer_error_severity_string[] = {
 	"Uncorrected (Non-Fatal)",
 	"Uncorrected (Fatal)",
 	"Corrected"
 };
 
-static char *aer_error_layer[] = {
+static const char * const aer_error_layer[] = {
 	"Physical Layer",
 	"Data Link Layer",
 	"Transaction Layer"
 };
-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	*/
-	NULL,
-	NULL,
-	NULL,
-	"Replay Timer Timeout  ",	/* Bit Position 12	*/
-	"Advisory Non-Fatal    ",	/* Bit Position 13	*/
-	NULL,
-	NULL,
-	NULL,
-	NULL,
-	NULL,
-	NULL,
-	NULL,
-	NULL,
-	NULL,
-	NULL,
+
+static const char * const 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	*/
 	NULL,
 	NULL,
 	NULL,
+	"Replay Timer Timeout",		/* Bit Position 12	*/
+	"Advisory Non-Fatal",		/* Bit Position 13	*/
 };
 
-static char *aer_uncorrectable_error_string[] = {
-	NULL,
-	NULL,
-	NULL,
-	NULL,
-	"Data Link Protocol    ",	/* Bit Position 4	*/
-	NULL,
-	NULL,
-	NULL,
-	NULL,
-	NULL,
-	NULL,
-	NULL,
-	"Poisoned TLP          ",	/* Bit Position 12	*/
-	"Flow Control Protocol ",	/* Bit Position 13	*/
-	"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	*/
-	"ECRC                  ",	/* Bit Position 19	*/
-	"Unsupported Request   ",	/* Bit Position 20	*/
+static const char * const aer_uncorrectable_error_string[] = {
 	NULL,
 	NULL,
 	NULL,
 	NULL,
+	"Data Link Protocol",		/* Bit Position 4	*/
 	NULL,
 	NULL,
 	NULL,
@@ -144,19 +102,29 @@  static char *aer_uncorrectable_error_str
 	NULL,
 	NULL,
 	NULL,
+	"Poisoned TLP",			/* Bit Position 12	*/
+	"Flow Control Protocol",	/* Bit Position 13	*/
+	"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	*/
+	"ECRC",				/* Bit Position 19	*/
+	"Unsupported Request",		/* Bit Position 20	*/
 };
 
-static char *aer_agent_string[] = {
+static const char * const aer_agent_string[] = {
 	"Receiver ID",
 	"Requester ID",
 	"Completer ID",
 	"Transmitter ID"
 };
 
-static void __aer_print_error(struct aer_err_info *info, struct pci_dev *dev)
+static void __aer_print_error(const char *prefix,
+			      struct aer_err_info *info)
 {
 	int i, status;
-	char *errmsg = NULL;
+	const char *errmsg = NULL;
 
 	status = (info->status & ~info->mask);
 
@@ -165,15 +133,17 @@  static void __aer_print_error(struct aer
 			continue;
 
 		if (info->severity == AER_CORRECTABLE)
-			errmsg = aer_correctable_error_string[i];
+			errmsg = i < ARRAY_SIZE(aer_correctable_error_string) ?
+				aer_correctable_error_string[i] : NULL;
 		else
-			errmsg = aer_uncorrectable_error_string[i];
+			errmsg = i < ARRAY_SIZE(aer_uncorrectable_error_string) ?
+				aer_uncorrectable_error_string[i] : NULL;
 
 		if (errmsg)
-			AER_PR(info, dev, "   [%2d] %s%s\n", i, errmsg,
+			printk("%s""   [%2d] %-22s%s\n", prefix, i, errmsg,
 				info->first_error == i ? " (First)" : "");
 		else
-			AER_PR(info, dev, "   [%2d] Unknown Error Bit%s\n", i,
+			printk("%s""   [%2d] Unknown Error Bit%s\n", prefix, i,
 				info->first_error == i ? " (First)" : "");
 	}
 }
@@ -181,11 +151,15 @@  static void __aer_print_error(struct aer
 void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)
 {
 	int id = ((dev->bus->number << 8) | dev->devfn);
+	char prefix[44];
+
+	snprintf(prefix, sizeof(prefix), "%s%s %s: ",
+		 (info->severity == AER_CORRECTABLE) ? KERN_WARNING : KERN_ERR,
+		 dev_driver_string(&dev->dev), dev_name(&dev->dev));
 
 	if (info->status == 0) {
-		AER_PR(info, dev,
-			"PCIe Bus Error: severity=%s, type=Unaccessible, "
-			"id=%04x(Unregistered Agent ID)\n",
+		printk("%s""PCIe Bus Error: severity=%s, type=Unaccessible, "
+			"id=%04x(Unregistered Agent ID)\n", prefix,
 			aer_error_severity_string[info->severity], id);
 	} else {
 		int layer, agent;
@@ -193,23 +167,22 @@  void aer_print_error(struct pci_dev *dev
 		layer = AER_GET_LAYER_ERROR(info->severity, info->status);
 		agent = AER_GET_AGENT(info->severity, info->status);
 
-		AER_PR(info, dev,
-			"PCIe Bus Error: severity=%s, type=%s, id=%04x(%s)\n",
-			aer_error_severity_string[info->severity],
+		printk("%s""PCIe Bus Error: severity=%s, type=%s, id=%04x(%s)\n",
+			prefix, aer_error_severity_string[info->severity],
 			aer_error_layer[layer], id, aer_agent_string[agent]);
 
-		AER_PR(info, dev,
-			"  device [%04x:%04x] error status/mask=%08x/%08x\n",
-			dev->vendor, dev->device, info->status, info->mask);
+		printk("%s""  device [%04x:%04x] error status/mask=%08x/%08x\n",
+			prefix, dev->vendor, dev->device,
+			info->status, info->mask);
 
-		__aer_print_error(info, dev);
+		__aer_print_error(prefix, info);
 
 		if (info->tlp_header_valid) {
 			unsigned char *tlp = (unsigned char *) &info->tlp;
-			AER_PR(info, dev, "  TLP Header:"
+			printk("%s""  TLP Header:"
 				" %02x%02x%02x%02x %02x%02x%02x%02x"
 				" %02x%02x%02x%02x %02x%02x%02x%02x\n",
-				*(tlp + 3), *(tlp + 2), *(tlp + 1), *tlp,
+				prefix, *(tlp + 3), *(tlp + 2), *(tlp + 1), *tlp,
 				*(tlp + 7), *(tlp + 6), *(tlp + 5), *(tlp + 4),
 				*(tlp + 11), *(tlp + 10), *(tlp + 9),
 				*(tlp + 8), *(tlp + 15), *(tlp + 14),
@@ -218,8 +191,8 @@  void aer_print_error(struct pci_dev *dev
 	}
 
 	if (info->id && info->error_dev_num > 1 && info->id == id)
-		AER_PR(info, dev,
-			"  Error of this Agent(%04x) is reported first\n", id);
+		printk("%s""  Error of this Agent(%04x) is reported first\n",
+			prefix, id);
 }
 
 void aer_print_port_info(struct pci_dev *dev, struct aer_err_info *info)