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- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * Copyright (C) 2006 Intel Corp.
- * Tom Long Nguyen ([email protected])
- * Zhang Yanmin ([email protected])
- */
- #ifndef _AER_H_
- #define _AER_H_
- #include <linux/errno.h>
- #include <linux/types.h>
- #define AER_NONFATAL 0
- #define AER_FATAL 1
- #define AER_CORRECTABLE 2
- #define DPC_FATAL 3
- struct pci_dev;
- struct aer_header_log_regs {
- unsigned int dw0;
- unsigned int dw1;
- unsigned int dw2;
- unsigned int dw3;
- };
- struct aer_capability_regs {
- u32 header;
- u32 uncor_status;
- u32 uncor_mask;
- u32 uncor_severity;
- u32 cor_status;
- u32 cor_mask;
- u32 cap_control;
- struct aer_header_log_regs header_log;
- u32 root_command;
- u32 root_status;
- u16 cor_err_source;
- u16 uncor_err_source;
- };
- #if defined(CONFIG_PCIEAER)
- /* PCIe port driver needs this function to enable AER */
- int pci_enable_pcie_error_reporting(struct pci_dev *dev);
- int pci_disable_pcie_error_reporting(struct pci_dev *dev);
- int pci_aer_clear_nonfatal_status(struct pci_dev *dev);
- void pci_save_aer_state(struct pci_dev *dev);
- void pci_restore_aer_state(struct pci_dev *dev);
- #else
- static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev)
- {
- return -EINVAL;
- }
- static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev)
- {
- return -EINVAL;
- }
- static inline int pci_aer_clear_nonfatal_status(struct pci_dev *dev)
- {
- return -EINVAL;
- }
- static inline void pci_save_aer_state(struct pci_dev *dev) {}
- static inline void pci_restore_aer_state(struct pci_dev *dev) {}
- #endif
- void cper_print_aer(struct pci_dev *dev, int aer_severity,
- struct aer_capability_regs *aer);
- int cper_severity_to_aer(int cper_severity);
- void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn,
- int severity, struct aer_capability_regs *aer_regs);
- #endif //_AER_H_
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