This exports some commone AER functions and structures for other drivers
to use. Since this is making the function externally visible, appending
"aer_" prefix to the function name.
Signed-off-by: Keith Busch <keith.busch@xxxxxxxxx>
---
drivers/pci/pcie/aer.c | 30 +++++-------------------------
include/linux/aer.h | 24 ++++++++++++++++++++++++
2 files changed, 29 insertions(+), 25 deletions(-)
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index a2e88386af28..0a60275f0582 100644
--- a/drivers/pci/pcie/aer.c
+++ b/drivers/pci/pcie/aer.c
@@ -31,26 +31,6 @@
#include "portdrv.h"
#define AER_ERROR_SOURCES_MAX 100
-#define AER_MAX_MULTI_ERR_DEVICES 5 /* Not likely to have more */
-
-struct aer_err_info {
- struct pci_dev *dev[AER_MAX_MULTI_ERR_DEVICES];
- int error_dev_num;
-
- unsigned int id:16;
-
- unsigned int severity:2; /* 0:NONFATAL | 1:FATAL | 2:COR */
- unsigned int __pad1:5;
- unsigned int multi_error_valid:1;
-
- unsigned int first_error:5;
- unsigned int __pad2:2;
- unsigned int tlp_header_valid:1;
-
- unsigned int status; /* COR/UNCOR Error Status */
- unsigned int mask; /* COR/UNCOR Error Mask */
- struct aer_header_log_regs tlp; /* TLP Header */
-};
struct aer_err_source {
unsigned int status;
@@ -547,7 +527,7 @@ static void __aer_print_error(struct pci_dev *dev,
}
}
-static void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)
+void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)
{
int layer, agent;
int id = ((dev->bus->number << 8) | dev->devfn);
@@ -876,7 +856,7 @@ EXPORT_SYMBOL_GPL(aer_recover_queue);
#endif
/**
- * get_device_error_info - read error status from dev and store it to info
+ * aer_get_device_error_info - read error status from dev and store it to info
* @dev: pointer to the device expected to have a error record
* @info: pointer to structure to store the error record
*
@@ -884,7 +864,7 @@ EXPORT_SYMBOL_GPL(aer_recover_queue);
*
* Note that @info is reused among all error devices. Clear fields properly.
*/
-static int get_device_error_info(struct pci_dev *dev, struct aer_err_info *info)
+int aer_get_device_error_info(struct pci_dev *dev, struct aer_err_info *info)
{
int pos, temp;
@@ -942,11 +922,11 @@ static inline void aer_process_err_devices(struct aer_err_info *e_info)
/* Report all before handle them, not to lost records by reset etc. */
for (i = 0; i < e_info->error_dev_num && e_info->dev[i]; i++) {
- if (get_device_error_info(e_info->dev[i], e_info))
+ if (aer_get_device_error_info(e_info->dev[i], e_info))
aer_print_error(e_info->dev[i], e_info);
}
for (i = 0; i < e_info->error_dev_num && e_info->dev[i]; i++) {
- if (get_device_error_info(e_info->dev[i], e_info))
+ if (aer_get_device_error_info(e_info->dev[i], e_info))
handle_error_source(e_info->dev[i], e_info);
}
}
diff --git a/include/linux/aer.h b/include/linux/aer.h
index 514bffa11dbb..58fa04cc7407 100644
--- a/include/linux/aer.h
+++ b/include/linux/aer.h
@@ -40,6 +40,27 @@ struct aer_capability_regs {
u16 uncor_err_source;
};
+#define AER_MAX_MULTI_ERR_DEVICES 5 /* Not likely to have more */
+
+struct aer_err_info {
+ struct pci_dev *dev[AER_MAX_MULTI_ERR_DEVICES];
+ int error_dev_num;
+
+ unsigned int id:16;
+
+ unsigned int severity:2; /* 0:NONFATAL | 1:FATAL | 2:COR */
+ unsigned int __pad1:5;
+ unsigned int multi_error_valid:1;
+
+ unsigned int first_error:5;
+ unsigned int __pad2:2;
+ unsigned int tlp_header_valid:1;
+
+ unsigned int status; /* COR/UNCOR Error Status */
+ unsigned int mask; /* COR/UNCOR Error Mask */
+ struct aer_header_log_regs tlp; /* TLP Header */
+};
+
#if defined(CONFIG_PCIEAER)
/* PCIe port driver needs this function to enable AER */
int pci_enable_pcie_error_reporting(struct pci_dev *dev);
@@ -65,6 +86,9 @@ static inline int pci_cleanup_aer_error_status_regs(struct pci_dev *dev)
}
#endif
+int aer_get_device_error_info(struct pci_dev *dev, struct aer_err_info *info);
+void aer_print_error(struct pci_dev *dev, struct aer_err_info *info);
+
void cper_print_aer(struct pci_dev *dev, int aer_severity,
struct aer_capability_regs *aer);
int cper_severity_to_aer(int cper_severity);
--
2.14.3
