PCI/AER: Squash aerdrv_errprint.c into aerdrv.c

Squash aerdrv_errprint.c into aerdrv.c.  No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>

drivers/pci/pcie/aer/Makefile

@@ -7,7 +7,7 @@ obj-$(CONFIG_PCIEAER) += aerdriver.o
 
 obj-$(CONFIG_PCIE_ECRC)	+= ecrc.o
 
-aerdriver-objs := aerdrv_errprint.o aerdrv.o
+aerdriver-objs := aerdrv.o
 aerdriver-$(CONFIG_ACPI) += aerdrv_acpi.o
 
 obj-$(CONFIG_PCIEAER_INJECT) += aer_inject.o

drivers/pci/pcie/aer/aerdrv.c

@@ -9,6 +9,7 @@
  *	Zhang Yanmin (yanmin.zhang@intel.com)
  */
 
+#include <linux/cper.h>
 #include <linux/pci.h>
 #include <linux/pci-acpi.h>
 #include <linux/sched.h>
@@ -20,6 +21,7 @@
 #include <linux/delay.h>
 #include <linux/kfifo.h>
 #include <linux/slab.h>
+#include <ras/ras_event.h>
 
 #include "aerdrv.h"
 #include "../../pci.h"
@@ -112,6 +114,247 @@ int pci_aer_init(struct pci_dev *dev)
 	return pci_cleanup_aer_error_status_regs(dev);
 }
 
+#define AER_AGENT_RECEIVER		0
+#define AER_AGENT_REQUESTER		1
+#define AER_AGENT_COMPLETER		2
+#define AER_AGENT_TRANSMITTER		3
+
+#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(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	0
+#define AER_DATA_LINK_LAYER_ERROR	1
+#define AER_TRANSACTION_LAYER_ERROR	2
+
+#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)
+
+/*
+ * AER error strings
+ */
+static const char *aer_error_severity_string[] = {
+	"Uncorrected (Non-Fatal)",
+	"Uncorrected (Fatal)",
+	"Corrected"
+};
+
+static const char *aer_error_layer[] = {
+	"Physical Layer",
+	"Data Link Layer",
+	"Transaction Layer"
+};
+
+static const 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	*/
+	"Corrected Internal Error",	/* Bit Position 14	*/
+	"Header Log Overflow",		/* Bit Position 15	*/
+};
+
+static const char *aer_uncorrectable_error_string[] = {
+	"Undefined",			/* Bit Position 0	*/
+	NULL,
+	NULL,
+	NULL,
+	"Data Link Protocol",		/* Bit Position 4	*/
+	"Surprise Down Error",		/* Bit Position 5	*/
+	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	*/
+	"ACS Violation",		/* Bit Position 21	*/
+	"Uncorrectable Internal Error",	/* Bit Position 22	*/
+	"MC Blocked TLP",		/* Bit Position 23	*/
+	"AtomicOp Egress Blocked",	/* Bit Position 24	*/
+	"TLP Prefix Blocked Error",	/* Bit Position 25	*/
+};
+
+static const char *aer_agent_string[] = {
+	"Receiver ID",
+	"Requester ID",
+	"Completer ID",
+	"Transmitter ID"
+};
+
+static void __print_tlp_header(struct pci_dev *dev,
+			       struct aer_header_log_regs *t)
+{
+	pci_err(dev, "  TLP Header: %08x %08x %08x %08x\n",
+		t->dw0, t->dw1, t->dw2, t->dw3);
+}
+
+static void __aer_print_error(struct pci_dev *dev,
+			      struct aer_err_info *info)
+{
+	int i, status;
+	const char *errmsg = NULL;
+	status = (info->status & ~info->mask);
+
+	for (i = 0; i < 32; i++) {
+		if (!(status & (1 << i)))
+			continue;
+
+		if (info->severity == AER_CORRECTABLE)
+			errmsg = i < ARRAY_SIZE(aer_correctable_error_string) ?
+				aer_correctable_error_string[i] : NULL;
+		else
+			errmsg = i < ARRAY_SIZE(aer_uncorrectable_error_string) ?
+				aer_uncorrectable_error_string[i] : NULL;
+
+		if (errmsg)
+			pci_err(dev, "   [%2d] %-22s%s\n", i, errmsg,
+				info->first_error == i ? " (First)" : "");
+		else
+			pci_err(dev, "   [%2d] Unknown Error Bit%s\n",
+				i, info->first_error == i ? " (First)" : "");
+	}
+}
+
+static void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)
+{
+	int layer, agent;
+	int id = ((dev->bus->number << 8) | dev->devfn);
+
+	if (!info->status) {
+		pci_err(dev, "PCIe Bus Error: severity=%s, type=Inaccessible, (Unregistered Agent ID)\n",
+			aer_error_severity_string[info->severity]);
+		goto out;
+	}
+
+	layer = AER_GET_LAYER_ERROR(info->severity, info->status);
+	agent = AER_GET_AGENT(info->severity, info->status);
+
+	pci_err(dev, "PCIe Bus Error: severity=%s, type=%s, (%s)\n",
+		aer_error_severity_string[info->severity],
+		aer_error_layer[layer], aer_agent_string[agent]);
+
+	pci_err(dev, "  device [%04x:%04x] error status/mask=%08x/%08x\n",
+		dev->vendor, dev->device,
+		info->status, info->mask);
+
+	__aer_print_error(dev, info);
+
+	if (info->tlp_header_valid)
+		__print_tlp_header(dev, &info->tlp);
+
+out:
+	if (info->id && info->error_dev_num > 1 && info->id == id)
+		pci_err(dev, "  Error of this Agent is reported first\n");
+
+	trace_aer_event(dev_name(&dev->dev), (info->status & ~info->mask),
+			info->severity, info->tlp_header_valid, &info->tlp);
+}
+
+static void aer_print_port_info(struct pci_dev *dev, struct aer_err_info *info)
+{
+	u8 bus = info->id >> 8;
+	u8 devfn = info->id & 0xff;
+
+	pci_info(dev, "AER: %s%s error received: %04x:%02x:%02x.%d\n",
+		info->multi_error_valid ? "Multiple " : "",
+		aer_error_severity_string[info->severity],
+		pci_domain_nr(dev->bus), bus, PCI_SLOT(devfn), PCI_FUNC(devfn));
+}
+
+#ifdef CONFIG_ACPI_APEI_PCIEAER
+int cper_severity_to_aer(int cper_severity)
+{
+	switch (cper_severity) {
+	case CPER_SEV_RECOVERABLE:
+		return AER_NONFATAL;
+	case CPER_SEV_FATAL:
+		return AER_FATAL;
+	default:
+		return AER_CORRECTABLE;
+	}
+}
+EXPORT_SYMBOL_GPL(cper_severity_to_aer);
+
+void cper_print_aer(struct pci_dev *dev, int aer_severity,
+		    struct aer_capability_regs *aer)
+{
+	int layer, agent, tlp_header_valid = 0;
+	u32 status, mask;
+	struct aer_err_info info;
+
+	if (aer_severity == AER_CORRECTABLE) {
+		status = aer->cor_status;
+		mask = aer->cor_mask;
+	} else {
+		status = aer->uncor_status;
+		mask = aer->uncor_mask;
+		tlp_header_valid = status & AER_LOG_TLP_MASKS;
+	}
+
+	layer = AER_GET_LAYER_ERROR(aer_severity, status);
+	agent = AER_GET_AGENT(aer_severity, status);
+
+	memset(&info, 0, sizeof(info));
+	info.severity = aer_severity;
+	info.status = status;
+	info.mask = mask;
+	info.first_error = PCI_ERR_CAP_FEP(aer->cap_control);
+
+	pci_err(dev, "aer_status: 0x%08x, aer_mask: 0x%08x\n", status, mask);
+	__aer_print_error(dev, &info);
+	pci_err(dev, "aer_layer=%s, aer_agent=%s\n",
+		aer_error_layer[layer], aer_agent_string[agent]);
+
+	if (aer_severity != AER_CORRECTABLE)
+		pci_err(dev, "aer_uncor_severity: 0x%08x\n",
+			aer->uncor_severity);
+
+	if (tlp_header_valid)
+		__print_tlp_header(dev, &aer->header_log);
+
+	trace_aer_event(dev_name(&dev->dev), (status & ~mask),
+			aer_severity, tlp_header_valid, &aer->header_log);
+}
+#endif
+
 /**
  * add_error_device - list device to be handled
  * @e_info: pointer to error info

drivers/pci/pcie/aer/aerdrv.h

@@ -77,8 +77,6 @@ struct aer_rpc {
 };
 
 extern struct bus_type pcie_port_bus_type;
-void aer_print_error(struct pci_dev *dev, struct aer_err_info *info);
-void aer_print_port_info(struct pci_dev *dev, struct aer_err_info *info);
 irqreturn_t aer_irq(int irq, void *context);
 
 #ifdef CONFIG_ACPI_APEI

drivers/pci/pcie/aer/aerdrv_errprint.c

-// SPDX-License-Identifier: GPL-2.0
-/*
- * Format error messages and print them to console.
- *
- * Copyright (C) 2006 Intel Corp.
- *	Tom Long Nguyen (tom.l.nguyen@intel.com)
- *	Zhang Yanmin (yanmin.zhang@intel.com)
- */
-
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/pm.h>
-#include <linux/suspend.h>
-#include <linux/cper.h>
-
-#include "aerdrv.h"
-#include <ras/ras_event.h>
-
-#define AER_AGENT_RECEIVER		0
-#define AER_AGENT_REQUESTER		1
-#define AER_AGENT_COMPLETER		2
-#define AER_AGENT_TRANSMITTER		3
-
-#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(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	0
-#define AER_DATA_LINK_LAYER_ERROR	1
-#define AER_TRANSACTION_LAYER_ERROR	2
-
-#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)
-
-/*
- * AER error strings
- */
-static const char *aer_error_severity_string[] = {
-	"Uncorrected (Non-Fatal)",
-	"Uncorrected (Fatal)",
-	"Corrected"
-};
-
-static const char *aer_error_layer[] = {
-	"Physical Layer",
-	"Data Link Layer",
-	"Transaction Layer"
-};
-
-static const 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	*/
-	"Corrected Internal Error",	/* Bit Position 14	*/
-	"Header Log Overflow",		/* Bit Position 15	*/
-};
-
-static const char *aer_uncorrectable_error_string[] = {
-	"Undefined",			/* Bit Position 0	*/
-	NULL,
-	NULL,
-	NULL,
-	"Data Link Protocol",		/* Bit Position 4	*/
-	"Surprise Down Error",		/* Bit Position 5	*/
-	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	*/
-	"ACS Violation",		/* Bit Position 21	*/
-	"Uncorrectable Internal Error",	/* Bit Position 22	*/
-	"MC Blocked TLP",		/* Bit Position 23	*/
-	"AtomicOp Egress Blocked",	/* Bit Position 24	*/
-	"TLP Prefix Blocked Error",	/* Bit Position 25	*/
-};
-
-static const char *aer_agent_string[] = {
-	"Receiver ID",
-	"Requester ID",
-	"Completer ID",
-	"Transmitter ID"
-};
-
-static void __print_tlp_header(struct pci_dev *dev,
-			       struct aer_header_log_regs *t)
-{
-	pci_err(dev, "  TLP Header: %08x %08x %08x %08x\n",
-		t->dw0, t->dw1, t->dw2, t->dw3);
-}
-
-static void __aer_print_error(struct pci_dev *dev,
-			      struct aer_err_info *info)
-{
-	int i, status;
-	const char *errmsg = NULL;
-	status = (info->status & ~info->mask);
-
-	for (i = 0; i < 32; i++) {
-		if (!(status & (1 << i)))
-			continue;
-
-		if (info->severity == AER_CORRECTABLE)
-			errmsg = i < ARRAY_SIZE(aer_correctable_error_string) ?
-				aer_correctable_error_string[i] : NULL;
-		else
-			errmsg = i < ARRAY_SIZE(aer_uncorrectable_error_string) ?
-				aer_uncorrectable_error_string[i] : NULL;
-
-		if (errmsg)
-			pci_err(dev, "   [%2d] %-22s%s\n", i, errmsg,
-				info->first_error == i ? " (First)" : "");
-		else
-			pci_err(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 layer, agent;
-	int id = ((dev->bus->number << 8) | dev->devfn);
-
-	if (!info->status) {
-		pci_err(dev, "PCIe Bus Error: severity=%s, type=Inaccessible, (Unregistered Agent ID)\n",
-			aer_error_severity_string[info->severity]);
-		goto out;
-	}
-
-	layer = AER_GET_LAYER_ERROR(info->severity, info->status);
-	agent = AER_GET_AGENT(info->severity, info->status);
-
-	pci_err(dev, "PCIe Bus Error: severity=%s, type=%s, (%s)\n",
-		aer_error_severity_string[info->severity],
-		aer_error_layer[layer], aer_agent_string[agent]);
-
-	pci_err(dev, "  device [%04x:%04x] error status/mask=%08x/%08x\n",
-		dev->vendor, dev->device,
-		info->status, info->mask);
-
-	__aer_print_error(dev, info);
-
-	if (info->tlp_header_valid)
-		__print_tlp_header(dev, &info->tlp);
-
-out:
-	if (info->id && info->error_dev_num > 1 && info->id == id)
-		pci_err(dev, "  Error of this Agent is reported first\n");
-
-	trace_aer_event(dev_name(&dev->dev), (info->status & ~info->mask),
-			info->severity, info->tlp_header_valid, &info->tlp);
-}
-
-void aer_print_port_info(struct pci_dev *dev, struct aer_err_info *info)
-{
-	u8 bus = info->id >> 8;
-	u8 devfn = info->id & 0xff;
-
-	pci_info(dev, "AER: %s%s error received: %04x:%02x:%02x.%d\n",
-		info->multi_error_valid ? "Multiple " : "",
-		aer_error_severity_string[info->severity],
-		pci_domain_nr(dev->bus), bus, PCI_SLOT(devfn), PCI_FUNC(devfn));
-}
-
-#ifdef CONFIG_ACPI_APEI_PCIEAER
-int cper_severity_to_aer(int cper_severity)
-{
-	switch (cper_severity) {
-	case CPER_SEV_RECOVERABLE:
-		return AER_NONFATAL;
-	case CPER_SEV_FATAL:
-		return AER_FATAL;
-	default:
-		return AER_CORRECTABLE;
-	}
-}
-EXPORT_SYMBOL_GPL(cper_severity_to_aer);
-
-void cper_print_aer(struct pci_dev *dev, int aer_severity,
-		    struct aer_capability_regs *aer)
-{
-	int layer, agent, tlp_header_valid = 0;
-	u32 status, mask;
-	struct aer_err_info info;
-
-	if (aer_severity == AER_CORRECTABLE) {
-		status = aer->cor_status;
-		mask = aer->cor_mask;
-	} else {
-		status = aer->uncor_status;
-		mask = aer->uncor_mask;
-		tlp_header_valid = status & AER_LOG_TLP_MASKS;
-	}
-
-	layer = AER_GET_LAYER_ERROR(aer_severity, status);
-	agent = AER_GET_AGENT(aer_severity, status);
-
-	memset(&info, 0, sizeof(info));
-	info.severity = aer_severity;
-	info.status = status;
-	info.mask = mask;
-	info.first_error = PCI_ERR_CAP_FEP(aer->cap_control);
-
-	pci_err(dev, "aer_status: 0x%08x, aer_mask: 0x%08x\n", status, mask);
-	__aer_print_error(dev, &info);
-	pci_err(dev, "aer_layer=%s, aer_agent=%s\n",
-		aer_error_layer[layer], aer_agent_string[agent]);
-
-	if (aer_severity != AER_CORRECTABLE)
-		pci_err(dev, "aer_uncor_severity: 0x%08x\n",
-			aer->uncor_severity);
-
-	if (tlp_header_valid)
-		__print_tlp_header(dev, &aer->header_log);
-
-	trace_aer_event(dev_name(&dev->dev), (status & ~mask),
-			aer_severity, tlp_header_valid, &aer->header_log);
-}
-#endif