PCI: pcie, aer: change error print format

Use dev_printk like format.

Sample (real machine + dummy error injected by aer-inject):

- Before:

+------ PCI-Express Device Error ------+
Error Severity          : Corrected
PCIE Bus Error type     : Data Link Layer
Bad TLP                 :
Receiver ID             : 2800
VendorID=8086h, DeviceID=1096h, Bus=28h, Device=00h, Function=00h
+------ PCI-Express Device Error ------+
Error Severity          : Corrected
PCIE Bus Error type     : Data Link Layer
Bad TLP                 :
Bad DLLP                :
Receiver ID             : 2801
VendorID=8086h, DeviceID=1096h, Bus=28h, Device=00h, Function=01h
Error of this Agent(2801) is reported first

- After:

pcieport-driver 0000:00:02.0: AER: Multiple Corrected error received: id=2801
e1000e 0000:28:00.0: PCIE Bus Error: severity=Corrected, type=Data Link Layer, id=2800(Receiver ID)
e1000e 0000:28:00.0:   device [8086:1096] error status/mask=00000040/00000000
e1000e 0000:28:00.0:    [ 6] Bad TLP
e1000e 0000:28:00.1: PCIE Bus Error: severity=Corrected, type=Data Link Layer, id=2801(Receiver ID)
e1000e 0000:28:00.1:   device [8086:1096] error status/mask=000000c0/00000000
e1000e 0000:28:00.1:    [ 6] Bad TLP
e1000e 0000:28:00.1:    [ 7] Bad DLLP
e1000e 0000:28:00.1:   Error of this Agent(2801) is reported first

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

3 files changed, 39 insertions, 32 deletions

diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h
index 78c977cec479..f9979eb56fb2 100644
--- a/drivers/pci/pcie/aer/aerdrv.h
+++ b/drivers/pci/pcie/aer/aerdrv.h
@@ -124,6 +124,7 @@ extern void aer_delete_rootport(struct aer_rpc *rpc);
 extern int aer_init(struct pcie_device *dev);
 extern void aer_isr(struct work_struct *work);
 extern void aer_print_error(struct pci_dev *dev, struct aer_err_info *info);
+extern void aer_print_port_info(struct pci_dev *dev, struct aer_err_info *info);
 extern irqreturn_t aer_irq(int irq, void *context);
 
 #ifdef CONFIG_ACPI
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 962646974466..d9185cd2d900 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -813,6 +813,8 @@ static void aer_isr_one_error(struct pcie_device *p_device,
                          PCI_ERR_ROOT_MULTI_UNCOR_RCV))
                         e_info->multi_error_valid = 1;
 
+                aer_print_port_info(p_device->port, e_info);
+
                 find_source_device(p_device->port, e_info);
                 aer_process_err_devices(p_device, e_info);
         }
diff --git a/drivers/pci/pcie/aer/aerdrv_errprint.c b/drivers/pci/pcie/aer/aerdrv_errprint.c
index f0bdf0ff859e..44acde72294f 100644
--- a/drivers/pci/pcie/aer/aerdrv_errprint.c
+++ b/drivers/pci/pcie/aer/aerdrv_errprint.c
@@ -57,9 +57,10 @@
         (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)
+#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
@@ -152,7 +153,7 @@ static char *aer_agent_string[] = {
         "Transmitter ID"
 };
 
-static void aer_print_error_source(struct aer_err_info *info)
+static void __aer_print_error(struct aer_err_info *info, struct pci_dev *dev)
 {
         int i, status;
         char *errmsg = NULL;
@@ -169,48 +170,44 @@ static void aer_print_error_source(struct aer_err_info *info)
                         errmsg = aer_uncorrectable_error_string[i];
 
                 if (errmsg)
-                        AER_PR(info, "%s\t: %s\n", errmsg,
-                                info->first_error == i ? "First" : "");
+                        AER_PR(info, dev, "   [%2d] %s%s\n", i, errmsg,
+                                info->first_error == i ? " (First)" : "");
                 else
-                        AER_PR(info, "Unknown Error Bit %2d  \t: %s\n",
-                                i, info->first_error == i ? "First" : "");
+                        AER_PR(info, dev, "   [%2d] Unknown Error Bit%s\n", i,
+                                info->first_error == i ? " (First)" : "");
         }
 }
 
 void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)
 {
-        int err_layer, agent;
         int id = ((dev->bus->number << 8) | dev->devfn);
 
-        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) {
-                AER_PR(info, "PCIE Bus Error type\t: (Unaccessible)\n");
-                AER_PR(info, "Unregistered Agent ID\t: %04x\n", id);
+                AER_PR(info, dev,
+                        "PCIE Bus Error: severity=%s, type=Unaccessible, "
+                        "id=%04x(Unregistered Agent ID)\n",
+                        aer_error_severity_string[info->severity], id);
         } else {
-                err_layer = AER_GET_LAYER_ERROR(info->severity, info->status);
-                AER_PR(info, "PCIE Bus Error type\t: %s\n",
-                        aer_error_layer[err_layer]);
-
-                aer_print_error_source(info);
+                int layer, agent;
 
+                layer = AER_GET_LAYER_ERROR(info->severity, info->status);
                 agent = AER_GET_AGENT(info->severity, info->status);
-                AER_PR(info, "%s\t\t: %04x\n", aer_agent_string[agent], id);
 
-                AER_PR(info, "VendorID=%04xh, DeviceID=%04xh,"
-                        " Bus=%02xh, Device=%02xh, Function=%02xh\n",
-                        dev->vendor,
-                        dev->device,
-                        dev->bus->number,
-                        PCI_SLOT(dev->devfn),
-                        PCI_FUNC(dev->devfn));
+                AER_PR(info, dev,
+                        "PCIE Bus Error: severity=%s, type=%s, id=%04x(%s)\n",
+                        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);
+
+                __aer_print_error(info, dev);
 
                 if (info->tlp_header_valid) {
                         unsigned char *tlp = (unsigned char *) &info->tlp;
-                        AER_PR(info, "TLP Header:\n");
-                        AER_PR(info, "%02x%02x%02x%02x %02x%02x%02x%02x"
+                        AER_PR(info, dev, "  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,
                                 *(tlp + 7), *(tlp + 6), *(tlp + 5), *(tlp + 4),
@@ -221,6 +218,13 @@ void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)
         }
 
         if (info->id && info->error_dev_num > 1 && info->id == id)
-                AER_PR(info, "Error of this Agent(%04x) is reported first\n",
-                        id);
+                AER_PR(info, dev,
+                        "  Error of this Agent(%04x) is reported first\n", id);
+}
+
+void aer_print_port_info(struct pci_dev *dev, struct aer_err_info *info)
+{
+        dev_info(&dev->dev, "AER: %s%s error received: id=%04x\n",
+                info->multi_error_valid ? "Multiple " : "",
+                aer_error_severity_string[info->severity], info->id);
 }