diff options
| -rw-r--r-- | drivers/pci/pcie/aer.c | 11 | ||||
| -rw-r--r-- | include/linux/aer.h | 2 |
2 files changed, 10 insertions, 3 deletions
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c index c99ba2a1159c..972ecaf6a832 100644 --- a/drivers/pci/pcie/aer.c +++ b/drivers/pci/pcie/aer.c @@ -1120,8 +1120,6 @@ static bool find_source_device(struct pci_dev *parent, return true; } -#ifdef CONFIG_PCIEAER_CXL - /** * pci_aer_unmask_internal_errors - unmask internal errors * @dev: pointer to the pci_dev data structure @@ -1132,7 +1130,7 @@ static bool find_source_device(struct pci_dev *parent, * Note: AER must be enabled and supported by the device which must be * checked in advance, e.g. with pcie_aer_is_native(). */ -static void pci_aer_unmask_internal_errors(struct pci_dev *dev) +void pci_aer_unmask_internal_errors(struct pci_dev *dev) { int aer = dev->aer_cap; u32 mask; @@ -1146,6 +1144,13 @@ static void pci_aer_unmask_internal_errors(struct pci_dev *dev) pci_write_config_dword(dev, aer + PCI_ERR_COR_MASK, mask); } +/* + * Internal errors are too device-specific to enable generally, however for CXL + * their behavior is standardized for conveying CXL protocol errors. + */ +EXPORT_SYMBOL_FOR_MODULES(pci_aer_unmask_internal_errors, "cxl_core"); + +#ifdef CONFIG_PCIEAER_CXL static bool is_cxl_mem_dev(struct pci_dev *dev) { /* diff --git a/include/linux/aer.h b/include/linux/aer.h index 02940be66324..df0f5c382286 100644 --- a/include/linux/aer.h +++ b/include/linux/aer.h @@ -56,12 +56,14 @@ struct aer_capability_regs { #if defined(CONFIG_PCIEAER) int pci_aer_clear_nonfatal_status(struct pci_dev *dev); int pcie_aer_is_native(struct pci_dev *dev); +void pci_aer_unmask_internal_errors(struct pci_dev *dev); #else static inline int pci_aer_clear_nonfatal_status(struct pci_dev *dev) { return -EINVAL; } static inline int pcie_aer_is_native(struct pci_dev *dev) { return 0; } +static inline void pci_aer_unmask_internal_errors(struct pci_dev *dev) { } #endif void pci_print_aer(struct pci_dev *dev, int aer_severity, |